• 专利附录
  • 专利说明
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  • 类似技术
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    • 专利摘要:
    The invention relates to a method for removing water from a curd moss (1), in which method - the curd moss (1) is fed to the feeding means (14), at the same time squeezing the curd moss (1) into a smaller volume to remove water, - feeding the curd moss (1) fed to the feed screw (16) to the compression chamber (20) 1) to a smaller volume at a pressure of 10 to 40 bar to remove water from the hyaline cells (4) of the curd moss (1) without breaking the structure of the hyaline cells (4) through the drainage openings (56) belonging to the compression chamber (20). The invention also relates to a device for removing water from curd moss and a working machine for raising and drying curd moss.
    公开号:FI20195577A1
    申请号:FI20195577
    申请日:2019-06-28
    公开日:2020-08-31
    发明作者:Ari Erkkilä；Jukka Viitanen；Juha Koskiniemi；Juhani Lehti；Juha-Petteri Suominen；Marko Kivimäki；Pasi Hallila；Jani Antila；Juha Korpi
    申请人:Vapo Oy；
    IPC主号:
    专利说明:

    METHOD AND APPARATUS FOR REMOVING WATER FROM THE MOLDS AND
    The invention relates to a method for removing water from a curd moss, in which method - the raised curd moss is fed to the feed means belonging to the device, = transferred from the curd moss the curd moss in the compression chamber to a smaller volume to remove water from the curd moss through the drainage openings in the compression chamber, - the dried curd moss is removed from the press. The invention also relates to a device for removing water from a curd moss and a working machine for raising and drying the curd moss. Moss moss has vegetation living on the surface of the bog with a uniform structure consisting of several moss shoots. o A single curd moss shoot 2 is depicted in Figure 1a. The moss-> 25 moss 1 has, according to Fig. 1b, O leaves 3 attached to each other, on the surface and between which loose water, i.e. occlusion water 6 2, adheres. The leaves 3 have interconnected hyaline cells 4, the cell walls 7 of which form cavities with N capillary-bound water 8 inside Fig. 1c
    I 3 30.
    N Hereafter, the application uses the term moss in a simplified manner from the moss, which, however, always refers to the moss.
    Moss differs significantly from peat, which is formed in part from dead moss and other dead bog wildness. In other words, peat refers to an organic soil species formed and incompletely decomposed as a result of the slow decay of bog plants under very humid conditions. The degree of decomposition of peat refers to the amount of amorphous humic substance compared to the plant cells that have retained their original structure. In peat, hyaline cells are broken and the structure of the peat is finer than that of reticulated moss. Due to the fine structure of peat, the surface area of peat is considerably larger than that of moss, also increasing the surface area for water binding to peat.
    FI 20130321 A is known from the prior art, which discloses a method and an apparatus for treating moss. The purpose of the method is to lift the moss from the intestine and to remove at least part of the water contained in the moss immediately after lifting before the moss is transported out of the intestine. It is desired to remove the water because at a lower water content, much larger amounts of moss can be transported without transporting excess water. It is desired to raise the moss during the molten soil, in which case the removal of water can be done without thawing even before the moss is transferred from the bog for further processing. Due to this> 25, the device for removing water from the moss must be O reasonably light so that it can be moved in a weakly bearing 2 natural bog.
    x a N Removing water from a moss is generally quite challenging, as the moss as a net-like structure effectively binds water to itself and, after compression, recovers at least N to some extent to its original volume, stuck in channels, for example.
    The apparatus for removing water from moss disclosed in FI 20130321 A comprises a counter-pin threaded press arranged on the pallet for removing water. However, the counter-pin screw press is quite heavy and in practice not efficient enough to achieve sufficient dewatering efficiency at high production capacities. In addition, the use of a counter-pin threading press rubs the moss vigorously, violating its natural structure. When the moss structure breaks, its surface area increases and the water has a larger surface area to adhere to the moss surface, impairing dewatering. Disruption of the natural structure is also detrimental to the continued use of the moss, as it is desired to keep the moss intact. In addition, the apparatus according to FI 20130321 A is poorly suited for the collection and dewatering of moss, especially if it is desired to move to the surface of an undrained or otherwise undrained natural bog, which has a very low load-bearing capacity for heavy equipment. Various multi-stage devices for drying biomass using multi-stage compression are also known in the art. One such is disclosed in WO 2009/011906 A1. However, such a device is not suitable for drying moss when it breaks the cellular structure of the biomaterial to remove the internal water of the cells in order to dry the biomaterial for combustion. Correspondingly, DE 2608093 is also known from the prior art, which discloses a device z for squeezing fruit for the production of juices. Also, this N publication is not suitable for drying moss as it breaks the cellular structure of the biomaterial to remove intracellular water.
    The object of the invention is to provide a method and device more efficient than the prior art methods for removing water from the moss, which better preserves the natural structure of the moss than the prior art methods. The characteristic features of the method according to the invention appear from the appended claim 1 and the characteristic features of the device according to the invention appear from the appended claim 7. It is also an object of the invention to provide a prior art machine for raising and drying moss, which can be used to lift moss efficiently from natural bogs. The characteristic features of the working machine according to the invention appear from the appended claim
    15. The object of the method according to the invention can be achieved by a method for removing water from moss, in which the raised moss is fed to the feed screw by means of at least one movable feed wall compression chamber. In addition, the method uses a piston belonging to the press to compress the moss into a smaller volume in the compression chamber at a pressure of 10 to 40 bar to remove water from the moss through the drainage openings in the compression chamber o without disrupting the structure of the moss hyalin cells. 2 = By the method according to the invention, N significant amounts of water can be removed from the moss by means of multi-stage dewatering without breaking the cell structure of the moss. When dewatering 2 is carried out in several stages, the compression pressure and the pressing time used in a single stage remain moderate, enabling the dewatering while preserving the natural cellular structure of the moss without breaking. In addition, the low compression pressure allows for a relatively light device design, allowing the method to be used in a natural bog. In a multi-stage dewatering process, water is removed in several different stages, whereby the amount of moss 5 in a single dewatering stage remains moderate. In this way, the distance traveled by the water from the moss to the outside of the device remains short, enabling rapid water removal. By short transfer distance is preferably meant a transfer distance of less than 400 mm, most preferably less than 200 mm. Forced feeding of the moss by means of a feed trough and a feed screw ensures that the moss travels in the device up to the press and prevents jamming due to the elasticity of the moss. In other words, in the method, the moss is compressed only to remove loose water among the moss and water mechanically bound to the moss at such a pressure that the cellular structure of the moss remains substantially unbroken. Here, a natural bog means a bog that has not been drained or otherwise dried specifically for production, so that the load-bearing capacity of the bog is very low.
    In other words, in the method according to the invention, the moss occlusion water and the capillary water are removed in two separate steps. In this case, the amount of individual stage dewatering o remains moderate. Preferably, by means of a feed trough at a humidity of about> 25 92% by weight, the moss entering the device is dried to a moisture content of about 85% by weight, i.e. about half of the water contained in the 2 mosses has been removed. x a N In the method, water can be squeezed out of the moss by means of a press 5 30 continuously for 10 to 90 seconds, preferably 30 to 50 2 seconds. It is important for the dewatering efficiency that the N water has enough time to leave the moss and the compression chamber under the effect of pressure. This allows water to escape to the moss from the hyaline cells through the cell openings of the hyaline cells without breaking the cells.
    According to one embodiment, the method uses at least one set of feed screws comprising 2 to 10, preferably 4 to 8 feed screws to feed moss from the feed trough to a number of presses corresponding to the number of feed screws, the presses forming a press set to increase the drying capacity.
    When using a set of feed screws and a set of presses, the diameter of the individual feed screws and presses and thus the forces acting on them remain moderate compared to a situation where the same capacity would be achieved with a single larger feed screw and press.
    For example, using six presses with a diameter of 310 mm instead of a single press with a diameter of 950 mm instead of a corresponding dewatering area reduces the need for total force by about 40%.
    When using smaller feed screws and presses, the water discharge distance from the moss to the outside of the device remains short, reducing the time required for pressing to reach the desired moisture content of the moss.
    Lighter support structures can also be used for smaller presses. o Preferably, the feed screws of the feed screw set and the presses of the press set> 25 have a diameter of 200 to 400 mm.
    In this case, the forces required for the compression O remain moderate, as does the exit distance of the water 2. x a N According to an alternative embodiment, the method uses one feed screw with a diameter of 5 30 800 to 1000 mm to feed the moss 2 from the feed trough to one press with a diameter of 800 to 1000 mm.
    In this case, only one transmission to the feed screw and another to the press is required for implementation, which simplifies the structure of the device.
    On the other hand, as the feed screw and press structure increases, the forces required also increase and require much stronger structures for both transmission and feed screw and press structures, increasing the mass of the machine and increasing the surface pressure of the implement driving machine. Preferably, two parallel drying lines, a set of feed screws and a set of presses are used for drying the moss, with one lifting means feeding the moss to the drying lines alternately. This allows access to a larger capacity, as well as the fact that the lifting means can be used to lift the moss continuously with one feed tray ready to receive the moss to be dried.
    Preferably, the drying lines are in opposite stages of operation, so that simultaneous emptying of the presses can be avoided, which could cause moss to drip from the conveyor. Opposite steps refer to the compression step of the press and the piston return step.
    Preferably, when two drying lines are used, the moss is continuously fed by means of feeding means to at least one press. This makes it easier to reach high production capacity.
    In the method, the moss can be treated with drying lines O continuously for 4 to 18 l / s, preferably 10 to 14 1 / s. In this case, it is possible with method 2 to obtain a sufficiently large z production capacity for industrially efficient operation.
    a
    R O 30 Preferably, the method involves ramping the start and stop of the press piston 2 to prevent vibrations. In this way, N the high accelerations otherwise caused by the pressure used to move the pistons, which would cause vibrations in the device and stress the structure of the device, are prevented.
    Preferably, the press chamber of the press is opened for feeding the moss and closed by moving the piston of the press. In this case, the first closing means can be implemented without separate control. Preferably, the method removes water from unprocessed moss, i.e., moss raised directly from an undrained mire. In this case, the method can efficiently collect moss from the bogs without a separate drainage and drying step in the bog.
    Preferably, the method according to the invention aims to achieve a moisture content of 85 to 75% by weight for the dried moss.
    Surprisingly, it has been found that it is not advisable to dry the moss to a dryness of less than 75% by weight, since then the moss begins to generate heat during storage and the use properties of the moss deteriorate.
    According to one embodiment, the method compresses the moss in the press compression chamber and refills the press at least once before removing the moss from the compression chamber after compression, the refill occurring in the following steps of returning the press piston to open the compression chamber and feeding additional O moss to the compression chamber. During the pressing of the press, the moss is compressed to a volume considerably smaller than the initial situation 2 where it is fed into the pressing chamber of the press. Each removal step of the moss N takes time, so it is more efficient to combine several mosses fed and pressed in 30 different steps into one 2 removal steps. By filling the press several times N before unloading the moss, a sufficiently large amount of moss can be unloaded from the press at a sufficiently high dry matter content.
    The object of the device according to the invention can be achieved by a device for removing water from a moss comprising a feed trough, a feed screw and a press.
    The feed tray acting as feeding means is adapted to receive and feed the moss, the feed tray comprising at least one movable feed wall for feeding the moss to the feed screw while squeezing the moss into a smaller volume to remove moss on the moss surface.
    The feed screw comprises a first end and a second end and is arranged at its first end in connection with the feed means for feeding the moss forward to a smaller volume in the press, the feed means being adapted to feed the moss to the feed screw.
    The press comprises a press chamber with drainage openings connected to one end of the feed screw and a piston for pressing the moss at a pressure of 10 to 40 bar into a smaller volume to remove water through the drainage openings to the moss from hyaline cells without breaking their structure.
    In the device according to the invention, several successive dewatering means are used for dewatering, whereby the volume of a single stage can be quite small.
    In this case, the applied compression pressure remains moderate and the water leaving the moss o has a short distance to leave the free space through the drainage-> 25 openings.
    Thus, loose water, i.e. occlusion water, and water mechanically bound to the moss, i.e. capillary water, can be 2 removed from the moss through the cell openings of the hyaline cells z without breaking the structure of the hyaline cell.
    In the device N according to the invention, a variable-volume feed trough is used for the forced feeding of 5 to 30 mosses to a feed screw, which in turn 2 feeds the moss into the press chamber of the press.
    This avoids N moss getting stuck in the machine before the press.
    Pass-
    the advantage of using a screw is that the feed screw can be used to remove air from the moss during transfer.
    The feed screw is a well-known and reliable technique, but it does not work in the treatment of moss without forced feeding. Surprisingly, it has been found in the tests that, using a feed trough and a feed screw, the moss cell structure does not need to be broken during the moss drying.
    Preferably, in the method, the occlusion water in the moss is removed by means of a feed trough and the capillary water mainly in the hyaline cells is removed by means of a press without breaking the hyaline cells. The press can also remove the rest of the occlusion water, if it is still in the moss when it arrives at the press. The press removes at least part of the moss capillary water.
    The drainage openings can be 4 to 15 mm in diameter, preferably 5 to 7 mm. Surprisingly, it has been found that large drainage openings of the above-mentioned size can be used for drying moss, since in general the size of the drainage openings is much smaller when pressing biomass, in order to prevent the biomass from squeezing through the drainage openings during pressing. The intact shoot structure of the moss allows the use of the large drainage openings mentioned above. Due to the larger openings, fewer drainage openings are required to achieve a sufficiently open surface area, making it more advantageous to manufacture the device> 25.
    S 2 Preferably, the device comprises first closing means z arranged between the second end of the feed screw and the pressing chamber N of the press for closing the pressing chamber during the pressing of the press 5. This prevents the moss from ending up on the piston rod side of the press 2 after the piston has passed the feed opening.
    Preferably, the device includes second closure means for restricting the compression chamber to close the compression chamber during compression, allowing the moss to be removed from the compression chamber after compression using a piston. In the press, the piston presses the moss into a smaller volume against the second closure means and finally out of the press after opening the second closure means. According to one embodiment, the device comprises at least one set of feed screws comprising 2 to 10, preferably 4 to 8 feed screws and for feeding moss from the feed trough to a number of presses corresponding to the number of feed screws, the presses forming a press set to increase the drying capacity. According to an alternative embodiment, the device comprises only one feed screw for feeding the moss from the feed trough to only one press. According to an alternative embodiment, the device may have a different number of feed screws and presses. In this case, for example, several smaller-diameter feed screws can feed the moss feed screw to a larger-diameter press. Preferably, the device comprises two parallel drying lines comprising a feed tray, a set of feed screws and a set of presses, which are adapted to be> 25 opposite to each other in opposite stages of operation of the press sets. In this way, the O feed troughs and the feed screws can continuously feed the moss to at least one z press open for moss feed. Scaling the device to the needs of the selected capacity N is easily accomplished by placing several compression lines side by side, thus increasing the capacity of the device. O
    R Preferably, the device comprises a body in which the press sets of the drying lines are arranged at an oblique angle to the horizontal to guide the water leaving the moss. The sets of presses at an oblique angle allow water to be directed to the side of the device in a controlled manner without re-wetting the moss. Preferably, the device comprises a control unit comprising a logic unit for controlling at least a feed tray, a feed screw, a press, the first closing means and the second closing means. With the help of the control unit, the operation of the device can be automated, so that the user does not have to operate the presses manually, but only feeds the moss into the device.
    Preferably, the second closure means are provided with channels for removing water parallel to the plane of the second closure means from the side of the compression chamber. This creates a short route for the water to leave the moss in a free space.
    According to one embodiment, the jacket belonging to the feed screw is perforated to remove moss occlusion water also with the feed screw. In this way, the amount of occlusion water remaining in the moss before the press can be reduced.
    The feed trough can be adapted to generate an absolute pressure of 0.5 to 5 bar, preferably 0.8 to 1.2 bar, against the feed screw in the moss to be fed. In this way, the removal of raised o moss loose water can be enhanced with low power consumption. > 25 O Preferably, the feed trough is at least open at the top for feeding moss 2 into the feed trough. x a N Preferably, the press includes a piston rod connected to the piston 5 to move the piston in the compression chamber. Thus, the movement 2 of the piston is simple to implement.
    N The feed screw and the press chamber of the press are preferably connected to each other and separated by means of the first closing means, allowing the moss to be transferred from the feed screw to the press chamber. The successive placement of the feed screw and the press allows the moss to be fed forcibly all the way from the feed trough to the press, so that the moss does not move anywhere only by gravity or otherwise freely, whereby it would be exposed to jamming. Without forced transfer, the moss expands strongly, stuck in place in a closed space.
    The longitudinal directions of the feed screw and the press and of both the feed tray and the feed screw may be 45 to 90 °, preferably at right angles to each other. In this case, the external dimensions of the device remain moderate and it can be adapted to the frame of a forestry tractor or slope machine, for example.
    Preferably, the forced feeds between the feed tray and the feed screw and between the feed screw and the press are linear movements. In this case, the force applied to the forced feed effectively moves the moss forward, and the moss does not get stuck, as could happen if the forced feed took place, for example, through a pipe curve. Preferably, the plunger of the press is perforated to remove water from the moss. In this way, the water can also exit through the piston if it is the shortest route to the water.
    > 25 O According to one embodiment, the press chamber of the press has 2 circular cross-sections. In this case, it is easy to make the compression chamber z strong enough to withstand the n caused by compression. power.
    3 S According to an alternative embodiment, the compression chamber N of the press is square in cross section. In this case, the first pressing chamber can be made by assembling planar walls, which makes it easy to make perforations.
    The first closing means may be an extension formed in the piston of the press parallel to the piston rod of the press to block the feed opening belonging to the press during the pressing of the press. In other words, the first closing means are then integrated in the piston, so that they do not need a separate control, but operate automatically with the piston. Preferably, the device includes drive means for generating the driving force of the feed tray, the feed screw and the press. Preferably, the device further comprises at least pressure sensors arranged in connection with the press for generating information for measuring the pressure, on the basis of which the control unit is adapted to control at least the press and the actuator belonging to the closing means of the others. Based on the compression pressure, the progress of drying can be inferred. Preferably, all channels used in the device in which the moss passes at some stage of drying, including the press, have a cross-section such that the cross-sectional area in the direction of travel of the moss remains at least the same or increases. In a wedge-shaped tapering channel, the resilient moss o adheres and does not progress well enough. > 25 O According to one embodiment, the feed trough comprises a movable 2 feed wall adapted to move the moss to the feed screws attached to both sides of the feed trough. a
    The purpose of the machine according to the invention can be achieved with 2 machines for raising and drying moss, N comprising a machine body, a base structure attached to the machine body to support the machine against the bog surface, a device for removing water from moss, namely dewatering means, and a cab and engine attached to the machine. The chassis structure comprises a first track mounted on the first frame and a second track mounted on the second frame. The cab and engine are fitted to the first frame. The implement further includes lifting means for lifting the moss from the bog to the drainage means fitted to another frame. The device according to one of the above-mentioned embodiments of the invention is arranged in the second frame as dewatering means for removing water from the moss and discharging the dried moss into the load space outside the working machine. The substrate structure implemented in the working machine according to the invention by means of roller substrates ensures a low surface pressure against the substrate and thus enables the collection of moss also from natural bogs. In addition, the device and lifting means according to one of the above-mentioned embodiments of the invention fitted to the second frame allow the moss to be lifted and dried on the same implement immediately in the swamp, unloading the dried moss into a separate load space without increasing the total weight of the implement. The device according to the invention for removing water from moss is more gentle on the moss than, for example, a counter-pin thread press according to the prior art. o Preferably, the implement must be frame-guided with respect to the central joint. > 25 This achieves good maneuverability.
    S 2 Preferably, in the machine according to the invention, the device comprises z two parallel drying lines comprising a feed trough, a set of feed screws and N sets of presses, which allow the lifting of 5 to 30 mosses by means of lifting means alternately into the feed trough of each 2 drying lines.
    N In this context, dewatering of moss means removing a large amount of water from the moss, in which case, for example, 96% of the water content of the initial moss is reached relative to the total mass with a minimum water content of 75%. In other words, this means that 96% of the water content of the initial situation moss, with 24 kg of water per 1 kg of moss solids, is transferred to the final water content of 75%, with 3 kg of water per kilogram of dry matter of the moss. However, dewatering does not in any case mean drying the moss completely dry, which is practically impossible due to the effect of pressure alone.
    The dewatering of the apparatus and method of the invention is most preferably a three step process in which the feed trough feeds the feed screw by squeezing the occlusion water out of the moss, and the feed screw feeds the moss to a press which squeezes the capillary water out of the moss. The entity works particularly effectively. The method and device according to the invention are intended exclusively for the removal of water from moss, not peat. In this context, moss refers to the living layer of the bog on the surface of the bog, where the hyaline cells are intact and filled with water when the moss is lifted. The moss is most preferably a curd moss about 20 to 40 cm thick on the surface of the bog, depending on the characteristics of the bog. After drying in the moss, the hyaline cells are> 25 still intact, but the capillary-bound water inside the hyaline cells is mainly replaced by 2 air. x a N The invention will now be described in detail with reference to the accompanying drawings, which illustrate some embodiments of the invention, in which Figure 1a shows a single moss,
    Figure 1b shows the leaves of the moss in principle as a general view,
    Figure 1c shows the cell structure of the moss as a schematic view before drying,
    Figure 1d shows the cellular structure of moss dried by the method and device according to the invention in principle,
    Figure 2a shows axonometrically an embodiment of the device according to the invention as a whole on a roller base,
    Figure 2b shows a front view of an embodiment of the device according to the invention as a whole on a roll substrate,
    Figures 3a and 3b show axonometrically the device according to the invention in different directions separately,
    Figure 4a shows a side view of the device according to the invention when the moss is fed to the feed screw by means of a feed trough,
    Figure 4b shows a side view of the device according to the invention when the moss is fed to the press with a feed screw,
    Figure 4c shows a side view of the device according to the invention when the moss is pressed
    o pressed,
    > 25 Figure 4d shows a side view of a device according to the invention
    O as a sectional view when dried with moss
    2 is removed from the press,
    z Figure 5 shows the steps of the method according to the invention
    N as a block diagram,
    5 Figure 6 shows the principle of the device according to the invention.
    2 technical hydraulic diagrams,
    Fig. 7a shows a side view of a preferred embodiment of the working machine according to the invention as a whole,
    Figure 7b shows a top view of a preferred embodiment of the implement according to the invention as a whole, Figure 8 shows the control system of the implement according to the invention in principle.
    When the moss 1 is dried by the method according to the invention, the hyaline cells 4 in the moss 1 remain intact and the capillary water 8 contained therein according to Fig. 1c is at least partially removed through the openings in the cell walls 7.
    The result is a situation according to Figure 1d, in which the capillary water contained in the intact hyaline cells 4 has been partially or completely replaced by air 9, making the structure fluffy and light.
    In this case, the intact hyaline cells in the moss are again able to receive water if the moss is used, for example, as a growing medium in the final application.
    Figure 2a shows an axonometric view of a device 10 according to the invention mounted on a chassis machine.
    The device removes water from unprocessed moss.
    By unprocessed is meant that the moss does not need to be processed in any way other than by removing it from the bog and lifting the moss into the device.
    The device according to the invention is preferably movable in the sense that it can be moved economically with a separate chassis machine O, like other roller-mounted or wheeled swamps, in a swamp which has not been drained or otherwise prepared for production by drying.
    In this case, the boundary condition of the device N is a weight which, together with the chassis machine 5, can be 20 to 35 tn, whereby when implemented by means of the roller chassis 2 it causes 1.2 to 2.4 tn / m , preferably less than 2 tn / m surface N pressure.
    The surface pressure caused by the device and the chassis can also be less than 1.2 tn / m depending on the lightness of the materials used and the surface area of the track used.
    According to Figures 2a and 2b, the base machine 200 carrying the device 10 may preferably comprise a second body 114, which is moved in the swamp, preferably by means of a base structure 100 arranged under the body 101. The frame 12 may be, for example, a conventional welded beam frame or a similar structure suitable for the intended use. Preferably, the base structure 100 is a roller base 102 according to Figures 2a and 2b. As the roller base, for example, a roller base based on the track applications of excavators from Ab A. Häggblom Oy or the like can be used. Alternatively, instead of a roller base, for example, several parallel wheels or some similar structure implemented by means of wheels can be used as the base structure. The chassis machine is preferably self-powered, i.e. it includes a power unit which produces the energy to be used to move the device in the swamp. Preferably, the same power unit also produces energy for moss dewatering for the device according to the invention. The device according to Figures 2a and 2b can be, for example, an accessory behind the tractor or the like.
    Figures 3a and 3b show in more detail the structure of the device 10 according to the invention. The device 10 comprises a body 12, a feed trough 15 acting as feed means 14, a feed screw 16, a press 30 and o first closing means 26 between the feed screw 16 and the press 30> 25 and second closing means 28 in connection with the press 30, and preferably drive means for operating the above. 2 Although in Fig. 3b the second closing means 28 are shown in the same z press set 30.1 in different stages, i.e. part closed and part N closed, to show both positions of the second closing means, practically all the second closing means 28 operate at the same time. With the aid of these above-mentioned components, the removal of water N from the moss can be carried out in several stages, so that in each drying step the amount of water in the moss is reduced as the volume of the moss decreases step by step to about one third. The device according to the invention is preferably continuous, which is achieved in that the device 10 according to the invention preferably has two drying lines 42 formed by parallel and different feed stages 15, feed screw 16 and press 30, which allow moss to be fed continuously to one press 42 30 with the press 30 of the second drying line 42 in the pressing step. Preferably, each drying line also has one set of feed screws 16.1 comprising 2 to 10, preferably 4 to 8 feed screws 16 for feeding moss 1 from the feed trough to a number 15 of presses 30 corresponding to the number of feed screws 16, which presses 30 form a press set
    30.1 to increase drying capacity. In the embodiment of the device 10 according to the invention shown in Figures 3a and 3b, the feed means 14 are a substantially horizontally arranged feed trough 15. The feed trough 15 consists of a base 32 and flanges 36 fixed substantially perpendicular thereto, which together with the base 32 define a partially confined space 34. is open from above allowing the moss 1 to be fed> 25 into the feed trough 15 by dropping from above and open on one side to the feed screw set 16.1 to feed the moss 1 to the feed screws 16. The bottom 32 of the feed trough 15 is fixed z fixed to the side of the feed screw 16 substantially perpendicular horizontally with the device on a horizontal surface. Either one or all of the sides 36 of the feed tray 15 are arranged on the guides to form a movable feed wall 18 N. The movable feed wall 18 can move relative to the feed screw set 16.1 so that its distance from the feed screws 16 can be varied with the moss pusher.
    against the feed screws 16.
    The feed trough 15 includes actuators 38 for moving the movable feed wall or walls 28 by guides 25. As the movable feed wall 18 or walls 28 move, the partially restricted space decreases by sealing the moss 1 against the feed screws 16, releasing the water adhering to the moss. from the second drainage openings 68 preferably belonging to the supply wall 18. The height 36 of the sides of the supply trough may be, for example, 500 to 700 mm, the width 1.0 to 2.0 m and the length 0.8 to 1.2 m.
    In this application, generally referred to as drainage openings, a circular, slotted or other similarly shaped opening is formed in a closed plane through which water can escape from an otherwise closed feed trough or press chamber of a press.
    Preferably, the drainage openings 56 are circular as in Figures 4a-4d.
    Each feed screw 16 includes, as shown in Figures 4a-4d, a sheath 48 having a first end 47 and a second end 49, both of which are open to allow transfer to the moss.
    In addition, the feed screw 16 includes a shaft and a feed thread 46 fitted thereto, which are rotated by a motor 52 via a gearbox 72o.
    By means of the gearbox 72, the rotational speed of the feed thread 46 can be adjusted to be optimal for the feed O of the moss 1.
    Preferably, the feed screws 16 are arranged to rotate from the center to the side in the direction of their hydrogenation, whereby the set of feed screws 16.1 spreads the moss over the entire width of the feed trough 15.
    By means of the feed trough 15, about one third of the 2 water contained in the raised moss can be removed at this stage of dewatering.
    In this case, there is N about 16 kg of water remaining in relation to 1 kg of moss dry matter.
    Preferably, when two parallel drying lines are used, one of the presses is closed in the pressing step, whereby the feed screw is stopped and the movable feed wall of the feed tray is returned as far as possible from the feed screw set for new moss fertilization.
    In this embodiment, a clamp 30 is attached to one end 49 of each feed screw 16 as shown in Figures 4a-4d.
    Preferably, the feed screw 16 is connected to the pressing chamber 20 of the press 30. The volume of the pressing chamber 20 can be changed to press the moss 1 by means of the piston 22 belonging to the press 30.
    The piston 22 is preferably attached to a piston rod 24 which is moved in a press 30 to compress the moss 1.
    The moss 1 coming through the feed screw 16 fills only the compression chamber 20 of the diameter of the feed screw. Between the press 30 and the second end 49 of the feed screw 16, first closing means 26 are arranged to prevent the moss 1 coming through the feed screw 16 from reaching the piston rod side 24 of the piston 22 when pressing the feed opening 33 of the press 30 with the moss 1.
    Preferably, the first closing means 26 are an extension 62 of the piston 22 which closes the feed opening 33 of the press 30 as the piston 22 moves past the feed opening 33. o The compression chamber 20 of the press 30 is preferably perforated with> 25 drainage openings 56, as well as a piston 22, in order to obtain the shortest possible transfer distance to the water leaving the moss O1. The perforation is preferably both on the sides and z at the bottom of the compression chamber 20.
    The piston 22 and piston rod 24 of the press 30 are adapted to move N along the entire compression chamber 20 so that the piston 22 5 30 can push the compressed moss 1 out of the end of the compression chamber 20 as a forced feed as the second closing means 28 N opens.
    Preferably, the press is hydraulically driven, i.e. a hydraulic cylinder.
    Preferably, second closing means 28 are also arranged together in the pressing chamber 20 of the press 30, by means of which the outlet 54 belonging to the press 30 is closed during pressing, and which, by opening the moss 1, can be removed from the press 30 through the outlet 54.
    Preferably, the second closure means 28 are provided with dewatering channels 44 which form a flow channel for the capillary water leaving the moss.
    These drainage channels 44 also comprise a lateral portion which allows the water to drain out laterally parallel to the plane of the second closure means 28.
    Preferably, the longitudinal portions of the drain channels 44 of the press 30 are 4 to 8 mm in diameter, while the transverse portions of the press 30 are 4 to 12 mm.
    The longitudinal portions of the drainage channels 44 of the press 30 may be, for example, spaced 20x20 mm apart to achieve a short drainage distance.
    The device according to the invention can be placed on a chassis machine, which preferably comprises power transmission means as operating devices according to the invention, by means of which force is transmitted to the feed tray actuators, feed screw motors, press and first closing means and second closing means.
    Preferably, these transmission means are a hydraulic circuit comprising valves and an electric control by means of which o feed tray actuators, a feed screw motor and> 25 presses are operated.
    The hydraulic circuit is described in more detail in Figure 6 and its operation is described later. & z Next, the operation N of the device according to the invention will be described with reference to Figs. 4a to 4d and the block diagram of Fig. 5.
    Figures 4a to 5 4d and this description focus mainly on the operation of one of the 2 drying lines.
    The removal of water from the moss 1 N is started by feeding the moss 1 to the supply means 14, i.e. to the supply trough 15, according to step 200 of Fig. 5.
    The moss can be fed to the device preferably by means of a grapple from the moss, preferably by lifting it from a wild bog, but the moss can also be fed pneumatically. Preferably, the grapple is a perforated grapple by means of which the occlusion water can be removed from the moss by squeezing it into a pile by means of the grapple.
    The feed trough 15 feeds the moss 1 towards the feed screw 16 according to step 202 of Fig. 5, whereby the moss 1 condenses the feed screw
    16.1 and at the same time the water adhering to the moss can escape from the moss. The edges 36 of the feed trough 15 move with the guides 25 shown in Figures 3a and 3b towards the feed screw 16 as the length of the actuator, preferably the hydraulic cylinder, attached to the flanges 36 changes. The feed speed can be 0.05 to 0.2 m / s. The function of the supply means 14 is to move the moss 1 towards the feed screw 16 and to remove water and air from the moss 1.
    In step 200 of Fig. 5, the piston 22 of the press 30 is driven as far back as possible according to Fig. 4a, the first closing means 26 preferably integrated in the piston 22 also leaving the press opening 30 Since the moss 1 is a fibrous network, the moss 1 entering the compression chamber 20 substantially fills the compression chamber 20 with a diameter o corresponding to the diameter of the feed screw 16. The compression chamber 20 may be> 25 open for feeding the moss 1 for 10 to 15 seconds, during which the feed screw 16 has sufficient time to push amount of 2 moss 1 to the compression chamber 20. At the end of the feeding step, the z feed screw stops. a
    R O 30 After feeding the moss 1, the transfer of the piston 22, i.e. the pressing step 2, is started, in which the piston 22 and the piston rod 24 move towards the N second closing means 28 according to step 206 in Fig. 4c and Fig. 5. The second closing means 28 are closed at this stage, i.e. they close the compression chamber 20 into a closed state together with the first closing means 26.
    Preferably, the movements of the piston 22 of the press 30 are ramped so that the movement starts slowly and the movement accelerates steadily from this towards the maximum speed.
    This prevents vibrations caused by the use of the press.
    As the piston 22 of the press 30 moves toward the second closing means 28, the first closing means 26 extending the piston 22, i.e. the extension 62 of the piston 22 shown in the embodiment of Figures 4a-4d, moves with the piston 22 in front of the press opening 30 33. The moss 1 in the compression chamber 20 is pressed by the piston 22 against the second closure means 28, the small amount of remaining occlusion water and mainly capillary water in the moss 1 leaving the drainage openings 56 of the walls of the compression chamber 20 and the drainage channels the fed moss 1 corresponding to the diameter of the feed screw, i.e. for example 200 to 300 mm long, is pressed against the second closing means 28 during a pressing step lasting 30 to 45 seconds.
    The total movement length of the piston 22 may be, for example, 600 mm if the diameter of the piston is 310 mm and the diameter of the feed opening is 280 mm.
    When the o measuring means connected to the press 30 in the hydraulic circuit, i.e. preferably sensors 80 and 82 (shown> 25 in Fig. 6), detect that the pressure O in the hydraulic line of the press 30 has increased above a predetermined limit value in the selected time 2, the piston 22 is decelerated and finally the second z limit value when exceeded, the piston 22 is stopped in step 208. N After the pressing step of the press 30, the second closing means 28 5 30 open in step 210, whereby the moss 1 in the pressing chamber 2 20 of the press 30 can move out of the press 30 by the piston 22, causing the moss 1 to fall down on the conveyor 70 according to step 214 of Figure 4d and Figure 5.
    Thereafter, the piston 22 of the press 30 returns to its initial position according to step 212 of Fig. 5, and the cycle described above is repeated. Figures 4a to 4d show below the second closing means 28 a vertical guide 58 by which the moss falling from the press 30 is guided to the transfer conveyor 70. Preferably the operation of the guide 58 is connected to the other closing means 28. When the second closing means 28 opens, the guide 58 also moves to its vertical position. . With the second closure means 28 closed, the guide 58 is partially on the transfer conveyor 70, preventing water dripping through the drainage openings 56 of the press 30 from entering the transfer conveyor 70 where it could wet moss, especially moss dropped from the parallel drying line press to the transfer conveyor. As shown in Figures 2a and 2b, the transfer conveyor 70 conveys a set of dried moss presses
    30.1 from below to a second transfer conveyor 74, which further conveys the moss for onward transport to the load space 130 used in connection with the device 10, as shown in Figures 7a and 7b. Alternatively, a conveyor or bag, for example, may be placed in connection with the device. Since the press 30 is closed about half the time for feeding the moss 10 by means of the feed screw 16, the use of two or more> 25 parallel drying lines is important for efficiency. When using two drying lines, the moss can be 2 continuously lifted from the bog when at least one feed trough is = free to receive the lifted moss and at the same time a sufficiently long pressing time for dewatering is obtained. In the device and method according to the invention, dewatering of the N mosses takes place at least in connection with the feed trough and the press, but preferably also with the aid of lifting means and a feed screw. The prerequisite for dewatering is sufficient external pressure on the moss and a sufficiently large free surface area for the water to leave the moss.
    In addition, a sufficiently long time under pressure is also required for the water to leave the moss.
    Therefore, the compression chamber of the press must be dimensioned correctly in order to keep the dewatering time sufficiently short.
    The press chamber of the press is preferably circular in cross-section and may have a diameter of 10 to 20 cm, preferably 13 to 18 cm, when there are six presses in the press set.
    A circular cross-section clamp is easier to make strong enough than a square or rectangular cross-section where the corners are weak points.
    The length of the compression chamber in the direction of travel of the piston can be 250 to 500 mm.
    In the device according to the invention, the drainage openings used at least in connection with the press can be 4 to 8 mm in diameter, preferably 5 to 7 mm.
    The holes can be, for example, with a horizontal division of 15 to 25 mm and a vertical division of 5 to 15 mm, whereby 10 to 30% of the surface area of the press jacket is free for water to escape. Preferably, all surfaces of the compression chamber against the moss, including the piston, are perforated to enhance dewatering.
    The corresponding perforation can also be used on the sides of the feed tray. Preferably, in the press, the piston is coated with a friction-reducing material, such as a plastic coating. 2 Preferably, there is a sliding plastic around the piston, the function of which is z to reduce the sliding friction against the perforated compression chamber, but N also to wipe and clean the holes of the moss adhering to them and other impurities.
    Alternatively, brushes and compressed air can traditionally be used to clean the holes, which N can be directed outwards from the inside of the piston.
    The operating speed of the feed screw can be, for example, 150 to 250 rpm, with a thread pitch of 30 cm. The diameter of the feed screw can be 30 to 50 cm. In the device according to the invention, a piston press is preferably used as the press, since by means of it a sufficient pressing pressure is obtained in a controlled manner evenly at each point of the moss without grinding the cell structure. The compression pressure used by the press can be of the order of 10 to 40 bar, preferably 15 to 35 bar, most preferably 18 to 22 bar.
    With the device according to the invention, more than 30 m3 / h of moss can be fed to a single drying line with the dimensions described above. The capacity of the device on a single substrate when using two drying lines can be up to 60 m3 / h, while still being available with one power unit and movable on the surface of an untreated bog. The maximum power of the power unit can be in the range of 300 - 600 kW, of which the maximum power can be used using several presses, feed troughs and actuators for up to 75% of the operating time.
    Preferably, the feed tray, feed screw, clamp and other closure means of the device are all bolted to the body of the device, making them easily removable for maintenance or even replaceable. According to one embodiment o, the above-mentioned components can be articulated> 25 from one side to the body, whereby the device S can be partially opened.
    N z The operation of the device according to the invention is controlled on the basis of the sensors and N measurement data by means of a control unit 11 of Fig. 6 containing programmable logic. The control unit 11 preferably controls the directional valves 86 of the actuator 84 of the feed tray 15, the feed screw 16, the press 30 and the second closing means 28 of the N and receives signals from the sensors, preferably via the CAN bus. The operation of the device according to the invention is
    matte. The control preferably uses information from sensors, which is used, for example, to ramp the movements of the piston of the press. Ramp acceleration takes place at a distance of about 20 - 30 cm. Preferably, the press is controlled independently. As shown in Figure 6, all actuators can be operated with the output of a single hydraulic pump 88. Figure 6 also shows how advantageously the device comprises two parallel drying lines 42. Figure 6 does not show the hydraulics of the feed trough, but it should be understood that it can also use the output of the hydraulic pump 88. The control unit used can be, for example, a CAN bus-controlled programmable logic control unit manufactured by Bosch Rexroth, Siemens or IFM. It should be understood that the hydraulic diagram of Figure 6 is shown only at a very basic level and lacks possible lines for pressure reduction and pressure control. In one embodiment of the device according to the invention, when the device is used, the presses of the drying lines operate alternately, i.e. the drying lines are in opposite phases with respect to each other. The control unit of the device according to the invention is programmed in such a way that it automatically schedules the work steps of the various components of the device in order to reach the maximum capacity. According to one embodiment, the device according to the invention can also be implemented in such a way that after the press there is a second press 2 and third closing means. In this case, after the press, the drying of the moss z can be continued to an even higher dry matter content. 5 30
    Figures 7a and 7b show a preferred embodiment N of a working machine 101 according to the invention. The working machine includes an working machine body 110 comprising a first body 112 and a second body 114 connected to each other by a central joint 116, and a base structure 111 attached to the working machine body 110 to support the working machine 101 against the surface of the bog.
    The base structure 111 comprises a first roller base 118 attached to the first frame 112 and a second roller base 120 attached to the second frame 114. The roller platforms have a very low surface pressure caused by the implement in the swamp, and thus can also be driven by a very poorly loaded natural swamp. on the surface without any problems.
    The first frame 112 is fitted with a cab 104 and a motor 106, while the second frame is provided with lifting means 108 for raising moss from the bog and a device 10 for removing water from the moss, namely dewatering means 17. Such a machine can also move on the surface of the natural bog during melting immediately at the lifting point.
    The dried moss is unloaded from the dewatering means 17 from the working machine 101 to a separate load space 130, such as a transfer pallet or the like, which can be transferred from the site by means of a separate transfer device.
    Moss raised and dried in this way does not increase the weight of the implement when the load compartment is arranged separately from the implement.
    The dewatering means 17 of the working machine according to the invention are one of the above-mentioned embodiments of the device according to the invention for removing water from moss placed on the second body 114 of the working machine 101.
    Preferably, the lifting means comprises a lifting boom and a grab at its end. The hydraulics used in the machine according to the invention may comprise a seven-block hydraulic system with 2 separate hydraulic pumps for driving the first z track of the first frame, operating the second track N of the second frame, operating the loader, driving the frame and other auxiliary devices. to drive, to drive the pole motors of the rollers, to operate the dewatering means and to operate the N rotating devices, such as, for example, the feeding means or the lifting means.
    Figure 8 shows the structure of the control unit 11 in more detail.
    As shown in Figure 8, the control of the device may include a control system that includes multiple programmable IFM displays / controllers.
    Of these, IFM CR0411 type controllers 140 (programmable control systems for mobile machines) are adapted to control the press of the dewatering means as well as other closing means.
    The aforementioned controllers, in turn, can be controlled via the IFM CR0452 programmable display 142 interface.
    The aforementioned controllers and display may be connected via a CAN bus 146 to a control unit 144, which may be an IFM CR1201 type programmable graphics display for controlling mobile machines, preferably connected by a second CAN 148 bus, preferably two joysticks 150. preferably controlling eight IFM CR2052 1/0 modules 152 for a second roller, fuel and coolant sensors, lights and wipers, a first roller, a lifting boom, a frame guide, a dewatering device pivot, and a feed screw.
    There can be two separate I / 0 modules to control the lifting means.
    As an idea not included in the invention, it is presented in this connection that the feed trough disclosed in this application can be used alone for moss dewatering.
    In this case, the feed-> 25 trough comprises a body, a substantially O vertical perforated plate arranged on the body, comprising drainage openings, guides 2 transversely attached to the perforated plate, trough structure = comprising edges and attached bottom, trough structure in between to move the trough structure 2 towards the perforated plate with guides to press the moss N against the perforated plate to remove water from the moss.
    权利要求:
    Claims (15)
    [1]
    A method for removing water from a curd moss (1), the method comprising: = feeding the raised curd moss (1) to the feed means (14) belonging to the device (10), - transferring the curd moss (1) by means of the feed means (14) to feed the curd moss (1) to the feed screw (16), - feeding the curd moss (1) fed to the feed screw (16) with a feed screw (16) into a smaller volume into the compression chamber (20) of the press (30), = compressing the curd moss (1) in the press chamber (20) of the press (30) into a smaller volume to remove water from the curd moss (1) (20), = the dried curd moss is removed from the press (30), characterized in that - it is fed from the curd moss (1) by means of at least one movable feed wall (18) of the feed trough (15) acting as feed means (14) to the feed screw (16) while squeezing from the curd moss (1) to a smaller volume to remove water on the surface of the curd moss (1) from the curd moss (1), = pressing the press by means of a piston (22) belonging to the thimble (30) from the curd moss (1) to a smaller volume in the compression chamber (20) at a pressure of 10 to 40 bar to remove water from the curd moss (1) hyaline cells (4) without breaking it. x a N
    [2]
    Method according to Claim 1, characterized in that in the method water 2 is squeezed out of the curd moss (1) by means of a press (30) continuously for 10 to 90 seconds, N preferably for 30 to 50 seconds.
    [3]
    Method according to Claim 1 or 2, characterized in that at least one set of feed screws (16.1) comprising 2 to 10, preferably 4 to 8 feed screws (16) is used for feeding the curd moss (1) from the feed trough (15) to the number corresponding to the feed screws (16). a plurality of presses (30) that form a set of presses (30.1) to increase the drying capacity.
    [4]
    Method according to Claim 3, characterized in that two parallel drying lines (42) for the feed trough (14), the feed screw set (16.1) and the press set (30.1) are used for drying the curd moss (1), one lifting means (108) feeding the curd moss (1) to the drying lines (42). ) alternately.
    [5]
    Method according to one of Claims 1 to 5, characterized in that 4 to 18 l / s, preferably 10 to 14 l / s, are fed continuously from the curd moss (1) by means of feed screw sets (16.1) in opposite stages.
    [6]
    Method according to one of Claims 1 to 5, characterized in that the starting and stopping of the piston (22) of the press (30) are ramped to prevent vibrations. o> 25 7. A device (10) for removing water from the curd moss (1), O comprising 2 - feeding means (14) attached to the curd moss (1) z for receiving and feeding forward, N - a feed screw (16) comprising a first end (47) and 5 30, the feed screw (16) of the second end (49) being arranged at its first end (47) in connection with the feed means (14) for feeding the moss (1) forward to a smaller volume, the feed means (14) being adapted to feed the moss (1) to the feed screw,
    [7]
    = a press (30) comprising a press chamber (20) with drainage openings (56) connected to one end (49) of the feed screw (16) for pressing the curd moss (1) into a smaller volume to remove capillary water from the curd moss (1) through the drainage openings (56), characterized in = said feed means (14) are a feed trough (15) comprising at least one movable feed wall (18) for feeding the curd moss (1) to the feed screw (16) while squeezing from the curd moss (1) into a smaller volume to remove occlusal water from the curd moss (1); = the press (30) comprises a piston (22) for pressing the curd moss (1) into a smaller volume in the compression chamber (20) at a pressure of 10 to 40 bar to remove capillary water from the curd moss (1) hyaline cells (4) without breaking the hyaline cell structure (4).
    [8]
    Device according to Claim 7, characterized in that the drainage openings (56) have a diameter of 4 to 8 mm, preferably 5 to 7 mm.
    [9]
    Device according to claim 7 or 8, characterized in that the device (10) comprises first closing means> 25 (26) arranged between the second end of the feed screw (16) and the compression chamber (20) of the press (30) for closing the compression chamber (20). during compression of the press (30). x a N
    [10]
    Device according to one of Claims 7 to 9, characterized in that the device (10) comprises second closing means 2 (28) restricting the compression chamber (20) to close the first compression chamber N (20) during compression, enabling the compression (1) to remove the moss (1). 30) from the compression chamber (20) after compression using the piston (22).
    [11]
    Device according to one of Claims 7 to 10, characterized in that the device (10) comprises at least one set of feed screws (16.1) comprising 2 to 10, preferably 4 to 8 feed screws (16) for feeding curd moss (1) from the feed trough (15). 16) for a number corresponding to the number of presses (30), which presses (30) form a set of presses (30.1) to increase the drying capacity.
    [12]
    Device according to one of Claims 7 to 11, characterized in that the device (10) comprises two parallel drying lines (42) comprising a feed tray (14), a feed screw set (16.1) and a press set (30.1).
    [13]
    Device according to claims 9 and 10, characterized in that the device (10) comprises a control unit (11) comprising a logic unit (13) at least a feed tray (15), a feed screw (16), a press (30), first closing means (26) and controlling the second closure means (28).
    [14]
    Device according to one of Claims 10 to 13, characterized in that the second closing means (28) are provided with channels (44) for removing water parallel to the plane o of the second closing means (28) from the compression chamber (20).
    > 25 O
    [15]
    A working machine (101) for raising and drying the moss (1), comprising a working machine body (110), a base structure (111) attached to the working machine = body (110) for supporting the working machine (101) N against the surface of the bog, a device (10) for removing water 5 30 moss mosses (1), namely dewatering means (17), and 2 cabs (104) and an engine (106) attached to the implement frame N (110), characterized in that
    = said machine body (110) comprises a first body (112) and a second body (114) connected to each other by a central joint (116), = said base structure (111) comprises a first roller base (118) attached to the first frame (112) and a second roller the base (120) attached to the second frame (114), = said cab (104) and motor (106) are arranged in the first frame (112), - the working machine (101) further comprises lifting means (108) for lifting the curd moss (1) ) fitted to the second body (114) and = said dewatering means (17) fitted to the second body (114) for removing water from the curd moss (1) and discharging the dried curd moss (1) to a load space (130) outside the machine (101) and said dewatering means (17) Device (10) according to claims 7 to 14 for removing water from the curd moss (1). o
    O
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    同族专利:
    公开号 | 公开日
    FI128608B|2020-08-31|
    WO2020260763A1|2020-12-30|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    IE16699B1|1944-05-13|1945-05-02|Improvements in methods of and means for drying and briquetting turf|
    FI86472C|1989-09-28|1992-08-25|Ahlstroem Oy|Process and apparatus for treating aqueous fuel|
    JP2000103524A|1999-10-12|2000-04-11|Kondo Gokin Kikai:Kk|Method and device for discharging material stored in hopper|
    FI20080205A|2008-03-13|2009-09-14|Seppo Ensio Patana|Peat peat harvesting method and peat peat machine|
    FI125521B|2013-03-19|2015-11-13|Lauri Aatos Vallius|Equipment for drying peat|
    FI127016B|2013-11-05|2017-09-29|Ecomoss Oy|Method for treating moss|
    法律状态:
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    FI20195577A|FI128608B|2019-06-28|2019-06-28|Method and device for removing water from peat moss and work machine for picking up and drying peat moss|FI20195577A| FI128608B|2019-06-28|2019-06-28|Method and device for removing water from peat moss and work machine for picking up and drying peat moss|
    PCT/FI2020/050457| WO2020260763A1|2019-06-28|2020-06-25|Method and apparatus for removing water from sphagnum moss and work machine for extracting and drying sphagnum moss|
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