• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The invention relates to a device for separating and removing screenings from a flowing liquid, for example waste water, wherein the device has a screen surface having a sieve (1) with an upstream in operation of the device front side (2), wherein the device in a lower The area of the grate (1) has a screen surface having additional grate (3) upstream of the grate (1) upstream, wherein the device comprises a drive (24) and with the aid of the drive (24) in a conveying direction circumferentially drivable cleaning rake ( 4), wherein the cleaning rake (4) during operation along at least a portion of the front side (2) of the grate (1) is movable to remove from the grate (1) retained Siebgut and to promote towards a discharge opening (5), and wherein the cleaning rake (4) moves along a downstream facing rear surface (6) of the Additional grate (3) is movable to remove from the additional grate (3) retained Siebgut and to promote towards a discharge opening (5). According to the invention it is proposed that the supplementary grate (3) is movable relative to the grate (1).
    公开号:AT512704A2
    申请号:T50235/2013
    申请日:2013-04-08
    公开日:2013-10-15
    发明作者:Thomas Kerl；Franz Spenger；Christian Bruederl
    申请人:Huber Se；
    IPC主号:
    专利说明:

    [102013/50235
    Device with a separation surface and a movable additional grate for removing Siebaut from a flowing liquid
    The present invention relates to a device for separating and removing screenings from a flowing liquid, for example wastewater, wherein the device has a separation surface with a front side facing the operation of the device, wherein the device in a lower region of the separation surface has a additional surface having a screen surface which upstream of the separation surface is upstream, the device comprising a drive and a cleaning rake rotatable by means of the drive in a conveying direction, wherein the cleaning rake is movable in operation along at least a portion of the front of the separation surface to Siebgut retained by the Abscheidefläche to remove and promote towards a discharge opening, and wherein the cleaning rake during its movement along a downstream facing rear side of the additional grate is movable to the Zusa remove rusted screenings and convey them in the direction of a discharge opening.
    Such screening devices are known for example from JP 58007010 A or JP 55039534 A and are usually used to remove coarse screenings from a wastewater flowing in a sewer. For this purpose, the sieve devices are integrated in the sewer such that the sieve surface, starting from the channel base, extends vertically or slightly inclined upwards. In order to allow a discharge of the screened material retained by the respective sieve grids, the sieve surface also extends beyond the maximum expected water level. By a circulating operation of the cleaning rake, finally, the screenings are conveyed along the screen surface upwards in the direction of the discharge opening and removed there, for example by means of a scraper, from the cleaning rake. 2 2 {102013/50235 fc014
    Finally, the supplementary grate should ensure that no screenings pass through the device below the segregation surface (the sieve grate must be mounted at a certain distance from the channel base to allow the cleaning rake to circulate in the area below the grate).
    However, since the cleaning rake must pass through the supplementary grate as it circulates through the grate, a certain gap must also be provided between grate and additional grate, so that it can not be completely ruled out that, in particular smaller sieve material, the sieve device passes over the said gap. The complete removal of the Siebguts from the wastewater is not possible in this case.
    Object of the present invention is therefore to improve a generic device to the effect that the above drawback is avoided.
    The object is achieved with a screening device, which is characterized in that the additional grid is movably mounted, so that its position with respect to the separation surface is variable. The separation surface preferably extends, starting from the channel bottom, vertically or obliquely (in particular inclined downstream) upwards and finally flows into said discharge opening, via which the zurückgeschattene screenings can be removed. The additional grate usually has a lower height (ie orientation perpendicular to the channel bottom) than the Abscheidefläche and is, for example via an intermediate sealing strip, sealing lip, a Abscheidefläche carrying base support or the like flush in the channel bottom, so that no Siebgut the screening device between Additional grate and channel bottom can happen. 3 3 09-04-2013 10 2013/50235
    Due to the mobility of the additional grating, it finally becomes possible to place the supplementary grate as close as possible to the separation surface during the period in which the cleaning rake is located in an area in which it has no contact with the supplementary grate. In particular, if the additional grid in this period of time in the lower part of the screening device directly adjacent to the Abscheidefläche or adjacent to this effectively prevents Siebgut the sieve between Abscheidefläche and additional grate happens (as is the case in the prior art). If the cleaning rake during its circulation around the separation surface for the purpose of their cleaning finally in the field of additional grate, it can be moved away from the separation surface. This finally creates a free space or distance between Abscheidefläche and additional grid, through which the cleaning rake can be moved through. After passing through the cleaning rake, the supplementary grate is finally moved back into its starting position, in which it forms with the separating surface as far as possible a separating or sieving surface.
    In this context, it is particularly advantageous if the separation surface is formed as a, a screen surface exhibiting, grate. Alternatively, the separation surface can of course also be formed as a closed surface element, wherein in both cases the screened material retained by the additional grid and / or the separation surface can be moved with the aid of the cleaning rake in the direction of the discharge opening. With regard to the cleaning rake, it should be noted at this point in general that it should have cleaning tines pointing in the direction of the supplementary grid. If the separation surface is designed as a sieve grate, then it makes sense to equip the cleaning rake on the side facing the grate with corresponding cleaning tines. If, however, the separation surface is formed as a closed surface element or as a flat sieve surface, then it may be advantageous to form the cleaning surface of the cleaning rake facing the separation surface in a scraper-like manner in order to ensure a particularly dense contact of the cleaning rake with the cleaning rake To allow separation area.
    In particular, it is advantageous if the cleaning rake, preferably over two circulating chains, is guided in a guide, wherein it is ensured by means of the guide that the cleaning rake during its movement in the conveying direction in the front of the Abscheidefläche up and in the back is movable downwards. The cleaning rake is thus guided around the separation surface during its rotation in a side view of the screening device, so that the entire device has only a very small extent seen in the direction of the channel. During the passage, finally, screened material retained by the cleaning rake (which may, for example, comprise a plow blade) is detected and conveyed up at the front of the separation surface. The guide rails can thereby effect a two-sided guidance of the circulation chains and / or the cleaning rake (s) and / or a guide in the direction of the separation surface. In either case, the guide ensures that the circulating tracks are reliably guided in a predetermined path. The circulation of the circulation chains can be initiated either via a controller or manually. Also, several cleaning rakes can be provided instead of a cleaning rake.
    Furthermore, it is advantageous if the separation surface is designed as a grate and the grate and the additional grate each comprise a plurality of grate bars. It is likewise advantageous if the cleaning rake has a first and a second arrangement of cleaning tines, wherein the cleaning rake can be moved along the front side of the sieve grate and along the rear side of the additional grate in such a way that the first arrangement of the cleaning tines is arranged in between the grate bars of the sieve grate Intervene gaps and the second arrangement of cleaning tines in between the grate bars of the additional grid arranged interstices fen. The individual cleaning tines can have a length, 5 ensure that they pass through the grate and / or the additional grate partially or completely.
    It is also advantageous if the cleaning prongs of the second arrangement have a length which is greater than the perpendicular to the screen surface of the additional grate depth thereof, so that the cleaning prongs of the second arrangement when passing the additional grate completely penetrate the screen surface thereof and upstream of the screen surface protrude. Namely, while the first arrangement of the cleaning prongs (or the abutment surface of one or more scraper elements of the cleaning rake) along the front of the Abscheidefläche along, the cleaning prongs of the second arrangement (which may be arranged, for example, on the opposite side of the first array cleaning rake) Pass through the sieve surface of the supplementary grate from the rear to be able to grasp and convey it upwards.
    It is also advantageous if the supplementary grid can be moved from an operating position in which the distance between the supplementary grid and the separating area is minimal into a passing position in which a free space passable by the cleaning bar is present between the additional grid and the separating area. In the operating position, it is also advantageous if the grate bars of the supplementary grate rest directly on the grate bars of the separation surface in order to create a uniform, extending from the channel bottom upwardly extending screen surface. On the other hand, the additional grate, starting from the operating position, must be movable so far in relation to the separating surface that the cleaning rake can pass through the resulting free space without colliding with the supplementary grate.
    In this context, it brings advantages when the additional grid is pivotable about an axis of rotation between the operating position and the passing position. In addition to linear mobility, it has the advantage that there are no guide rails (which would be prone to clogging). Rather, the additional rake may have in its lower region a cross member, which is laterally fastened to the housing of the screening device or the channel wall. The additional grate comprises in this case the said cross member, from which the individual grate bars extend downstream in the direction of the separation surface. While the cross member usually has a constant distance to the separation surface, the distance between the Abscheidefläche and the grate bars of the additional grate by pivoting the same about its axis of rotation is variable.
    It is particularly advantageous if the center of gravity of the supplementary grate is located both in the operating position and in the passing position between the axis of rotation of the additional grate and the separating surface, so that the additional grate returns after passing through the cleaning rake from the passing position to the operating position due to gravity. In this case, the additional grate is pressed by the cleaning rake from this to its passing position and automatically returns to its operating position after passing through the cleaning rake.
    Likewise, it brings advantages when the additional grid rests in the passing position on a rigidly arranged limiter. This prevents the additional grate from being moved too far upstream. The limiter may be formed, for example, by one or more (rubber) buffers to which the additional grid, for. B. over one or more of its grate bars in the passing position comes to rest. The limiter is preferably placed in the area of the storage of the supplementary grate. For example, it may be arranged in a bottom group of the additional grate surrounding the rotation axis, via which the additional grate is brought into contact with the channel bottom during installation. The limiter may also be a fold of a grate carrier running across the width of the supplementary grate and carrying the grate bars, which pivot starting at a certain pivoting of the supplementary grate with the channel bottom or a bottom plate of the sieve device Contact comes and prevents further swinging.
    It has particular advantages when the additional grate rests in the operating position on the separation surface and / or a rigidly arranged stop. In the first case, it is ensured that in the operating position there is no gap between separating surface and supplementary grate through which the sieve can pass downstream through the sieve material. In the second case, the stop should be positioned so that there is a minimal gap between the separation surface and the supplementary grid. Mutual wear of the two types of rust can be avoided. The stop can in turn be formed as a buffer to avoid hard attacks.
    It is also advantageous if the cleaning rake has a first contact area, which can be brought into contact with the additional grate, preferably with its grate bars, when passing the additional grate, wherein the additional grate with the aid of the cleaning rake during its movement in the conveying direction from the operating position in the direction the passing position is movable. The first contact area can be formed, for example, by rollers (or corresponding sliding elements), which are distributed over the width of the cleaning rake, for example. The rollers should be placed in such a way that they come into contact with the grate bars when the additional rake is set up. The distance of the rollers should therefore correspond to the mutual distance of the grate bars of the additional grate or a multiple thereof. It is likewise advantageous if the first abutment region is formed by elements (for example the aforementioned rollers) which are placed transversely between the cleaning prongs which point in the direction facing away from the ablation surface. The elements may for example be attached to the cross member, which connects the individual cleaning tines each other 8 8 * -2013 2013/50235.
    Furthermore, it is advantageous if the cleaning rake has a second contact area, which can be brought into contact with at least one lateral guide element of the supplementary grate when passing the additional grate, wherein the additional grate with the aid of the cleaning rake during its movement counter to the conveying direction of the operating position in the direction of Passierstellung is movable. While a guide element, which is moreover preferably arranged in a side region of the supplementary grid, may be sufficient, it is also possible to provide two or more guide elements. It has proved particularly advantageous to place one guide element in each case in both side regions of the supplementary grid (that is to say in the region of its outer grid bars). The said movement of the additional grate is then of enormous advantage if the cleaning rake can also be moved against the conveying direction. Such a movement may be desired to solve in the screen surface wedged Siebgut that can not be removed in the conveying direction. If the cleaning rake arrives during its manually or automatically initiated "backward movement" into the region of the additional grate which is preferably directly adjacent to the separation surface, then it comes into contact with the supplementary grate via the second abutment region and moves it out of its operating position in the direction of the passing position. The second abutment region is hereby preferably realized by one or more elements which are placed in one or both side regions of the cleaning rake. By pivoting away the additional grate into its passing position, it is finally ensured that the cleaning rake can pass the supplementary grate also counter to the conveying direction, without this leading to mutual co-alignment.
    It also brings advantages when the first contact area is arranged upstream of the second contact area in the conveying direction of the cleaning rake. If the cleaning rake comes into contact with the additional grate in the conveying direction, this contact takes place via the first contact area. During the tertiary transport of the cleaning rake, the additional grate finally comes in contact with the second area of the plant, while the first area of the plant moves away from the additional grate.
    It is also advantageous if the first abutment region and / or the second abutment region comprises at least one roller that can be brought into contact with the additional grating or its lateral guide element (s). The guide rollers allow a friction-less relative movement between cleaning rake and additional grate. The first contact area is preferably formed by a plurality of rollers, which are distributed over the width of the cleaning rake. As an alternative or in addition to the roller (s), it is also generally possible to use sliding elements (for example in the form of one or more sliding blocks).
    It also brings advantages, when the guide element of the additional grate, which is preferably arranged on one or both sides of the Reinigungshar-ke, protrudes upstream of the screen surface of the additional grate during operation of the device. When the cleaning rake approaches the additional grate in reverse operation (i.e., during its movement counter to the conveying direction), it comes in contact with the guide element via the second abutment region described above before it reaches the area of the grate bars of the supplementary grate. A collision between the grate bars and the cleaning rake is thereby excluded. The guide element is preferably trapezoidal or triangular in shape and limits the additional grid preferably laterally, d. H. in the transverse direction.
    It is also advantageous if the guide element has a run-on slope, via which it can be brought into contact with the at least second contact region of the cleaning rake. In this way, a gentle pivoting of the additional grate from the operating position into the passing position when moving the cleaning rake counter to the conveying direction is made possible. In addition, the run-up slope can ensure that the transition from the passing 10
    Position in the operating position gently takes place when the cleaning rake passes the additional grate in the conveying direction. This is particularly the case when the cleaning rake is in contact with the run-up slope of the additional grate when leaving the area between supplementary grate and separation surface, so that the additional grate is slowly pivoted in the direction of the separation surface.
    Furthermore, it may be advantageous if the additional grate is connected to a lifting unit, with the help of which he can move relative to the separation surface, preferably raise leaves. This has the decisive advantage that the additional grate can be raised, for example, upwards, if the operation of the cleaning rake is no longer guaranteed for any reason. After the placement of the additional grate so carried out, the device according to the invention can finally be flowed through in the lower region (in which the additional grate is normally located). Although in this case the screenings can no longer be separated, as this happens to the device together with the liquid in the lower part of the device (without being held back by the moving away additional grate). In return, however, clogging of the device and an associated uncontrolled damming of the liquid is prevented when no longer functioning cleaning rake.
    Likewise, it brings advantages when the lifting unit comprises a linkage to which the additional grid, preferably movable relative to the linkage, is mounted. Thus, the additional grate can be pivoted in the installed state, for example, between a pass and an operating position (for the definition of the positions, see above). The linkage can also form a kind of frame to which the additional grid is attached. Linkage and additional grate can finally, if necessary, moved together relative to the separation surface, preferably raised, so that the described, flow-through space between the Abscheidefläche and the adjacent wall of the device according to the invention accommodating means (eg the sewer bottom of a sewer) is created.
    It can also be advantageous if the linkage comprises a supporting section extending over the width of the supplementary grid, wherein the carrying section is placed in a lower region of the supplementary grid. The support section may also be connected to two bar profiles placed on both sides of the support section, which in turn may be connected to one another in an upper area via a crossbeam. The result is a unit of linkage and additional grate, which can be moved from a rest position to a raised position by means of corresponding devices (eg in the form of a pulley or with the aid of another lifting device) in which it can also be used, if required appropriate repair and / or maintenance is accessible.
    Finally, it is advantageous if the lifting unit is guided in a guide in order to allow a movement of the additional grid on a predetermined path of movement. The guide can be fastened, for example, to a channel wall surrounding the device according to the invention. Alternatively, the guide can also be part of the device and, for example, attached to a corresponding base frame thereof. In any case, the guide should be designed to guide the lifting unit and the additional grid during lifting, so that damage to the same can be prevented or the risk of injury to the operator can be minimized.
    Further advantages of the invention are described in the following exemplary embodiments. Show it:
    FIG. 1 shows a side view of a known screening device,
    Figure 2 is a front view of the screening device according to Figure 1, 12 12 09-04-2Ö13 [102013/50235
    3 to 8 are side views of a section of a screening device according to the invention during the circulation of a cleaning rake,
    9 shows a detail of a Siebvor device according to the invention with a view of the front of a trained as a sieve separation surface,
    FIGS. 10 and 11 show a section of a screening device according to the invention with a view of the rear side of the supplementary grate with different positions of the cleaning rake,
    FIG. 12 shows a side view of a section of a screening device according to the invention during the circulation of a cleaning rake, wherein the separating surface shown is designed as a closed surface element,
    Figure 13 is another side view of a section of a he inventive screening device, and
    FIG. 14 is a plan view of the detail shown in FIG.
    It should be noted in advance that in figures showing several similar components, in some cases only one of several similar components is provided with reference numerals in order to ensure a good overview.
    1 shows a sieve device integrated in a sewer 22 for separating and removing screenings (for example in the form of stones, branches, etc.). As can be seen from the synopsis of FIGS. 1 and 2, the sieve device has a central separating surface 26, projecting obliquely from above into the sewer 22 and, in the exemplary embodiment shown, as a sieve grate 1 , which is connected by fastening means, not shown, with the channel wall or the housing 23 of the screening device.
    Furthermore, the screening device comprises two by means of a drive 24 to the grate 1 circumferentially movable circulating chains 7, which are interconnected via several intermediate cleaning rakes 4 (under certain circumstances, only one cleaning rake 4 may be sufficient). The circulating chains 7 are guided in their path via lateral guides 8, wherein the guide 8 can be placed in the upper and lower deflection region (as shown), but also in the intermediate regions in which the circulating chains 7 extend parallel to one another in the side view.
    The cleaning rake 4 in turn comprises a plurality of juxtaposed cleaning tines 9, which engage in the interstices 10 of the sieve grate 1, when the cleaning rake 4 by driving the circulating chains 7 in the conveying direction (ie clockwise in relation to Figure 1) at the upstream Front 2 of the grate 1 passes. The screened material retained by the sieve grate 1 (the waste water flow runs from left to right in FIG. 1) is finally captured by the cleaning rake 4 or its cleaning tines 9 and conveyed upwards. After passing through the upper inflection point, it finally arrives, possibly via a guide plate 25, in the region of a discharge opening 5 and from there to the outside, for example into a container 20. The cleaning rake 4 is finally guided on the back 17 of the grate 1 back to the lower inflection point so that the cycle of vome can begin.
    To prevent the screenings the screen 1 in the lower area (in which the grate 1 due to the revolving cleaning rakes 4 can not be flush with the Kanatboden) happens, it is already known to attach a supplementary grate 3 at the channel bottom, the bridged lower area.
    2013/50235 14
    However, since this also can not rest directly on the grate 1 - finally, the cleaning rake 4 must be able to pass through the area between the grate 1 and the additional grate 3 - can not be completely ruled out in this case that Siebgut passes the screening device.
    In order to counteract this problem, it is now proposed according to the invention to mount the supplementary grate 3 movably, so that a relative movement between grate 1 and additional grate 3 is possible.
    The decisive advantage of the invention results from FIGS. 3 to 8, which show the lower region of a sieve device according to the invention which is adjacent to the channel bottom, wherein the individual figures document a possible sequence of movement of the cleaning rake 4 and of the supplementary grate 3.
    In its operating position (Figures 3 and 8) is the additional grid 3, which preferably extends over the perpendicular to the plane extending width of the grate 1, either (as shown) on a stop 14, or alternatively directly to the grate bars of the grate. 1 at. In the lower area, it is pivotally mounted about an axis of rotation 12, wherein the additional grate 3 in the region of the rotation axis 12 in a manner not shown in the (also not shown) channel floor should pass to avoid screenings pass through the sieve between the channel bottom and axis of rotation 12 can. It is conceivable, for example, to arrange a sealing lip or a sealing flap between the axis of rotation 12 or a housing 23 surrounding the rotational axis 12 and the channel bottom, which ensures a transition from the channel bottom to the screen surface of the additional grid 3.
    If now a cleaning process of the grate 1 and thus also of the additional grate 3 initiated by a control, which are arranged on both sides of the grate 1 circulating chains 7 by means of a preferably in the upper 15 15 09-04-2013 [1Ρ20Ϊ3 / 50235 rich of the grate arranged drive 24 (see Figure 1) in the clockwise direction set in motion. The circulating chains 7 advantageously comprise guide rollers 21, which are guided by means of a corresponding guide 8 along the desired orbit of the cleaning rake 4.
    Now that a first contact area 15 of the cleaning rake 4 (for example in the form of one or more rollers distributed across the width of the cleaning rake 4 (see FIGS. 9 to 11)) has come into contact with one or more cleaning prongs 9 (FIG Continuation of the cleaning rake 4 clockwise and thus in the conveying direction, a pivoting of the additional grate 3 about its axis of rotation 12 in a passing position. The pivoting is effected exclusively by the passing of the cleaning rake 4, which presses the additional grate 3 with the aid of the first contact area 15 to the side (that is, with reference to Figure 4: to the left). This finally creates a free space 11 between grate 1 and additional grate 3, which allows the cleaning rake 4 to pass (= passing position). During said movement of the cleaning rake 4 in the conveying direction, the cleaning tines 9 arranged on both sides pass through both the grate 1 from the front and the pivoted additional grate 3 from the rear. In this case, adhering screenings are removed from the screen surfaces and conveyed upwards to the discharge opening 5 mentioned with reference to FIG.
    From a certain position of the cleaning rake 4 (see FIGS. 5 and 6), finally, a second abutment region 16 of the cleaning rake 4, which can be formed, for example, by a respective laterally mounted roller (see FIG. 9), comes in contact with the supplementary grate 3. The additional grid 3 is thus transferred from the first contact area 15 to the second contact area 16.
    [10 2013/50235
    In order to avoid an excessive pivoting of the additional grate 3, it may be advantageous if this is a limiter 13, for example in the form of a stop buffer assigned. At this, the additional grid 3 is finally before it is pivoted back after passing the cleaning rake 4 in the direction of its Betriebsteliung (see Figures 6 to 8, which show successive states of the additional grid 3 when passing the cleaning rake 4). The pivoting can be spring-assisted or done only by gravity. In the latter case, the axis of rotation 12 of the additional grate 3 or the limiter 13 is placed such that the center of gravity of the additional grate 3 is in any position between the grate 1 and the axis of rotation 12. This ultimately ensures that the additional grate 3 in the absence of the cleaning rake 4 in this area always automatically "falls back" to its operating position.
    As can be seen in particular from FIG. 7 in conjunction with FIGS. 10 and 11 (shown is a view of the rear side 6 of the additional grid 3 from the free space 11 between the grate 1 and additional grid 3), the rollers forming the second bearing area 16 are not in contact the grate bars of the additional grate 3. Rather, this preferably has on its two sides, for example, a trapezoidal or triangular guide member 19 which projects downstream from the screen surface of the additional grate 3 (Figures 10 and 11 show only one side, the second side is formed similar to Figure 9).
    On the one hand, the guide element 19 ensures that the supplementary grate 3 does not uncontrollably strike the grate bars of the grate 1 during pivoting from the passing position into the operating position and causes corresponding damage or excessive noise pollution over time. A comparison of Figures 10 and 11 shows in this context that the additional rake from a certain position of the cleaning rake 4 only on the or the guide element (s) 19 rests on the cleaning rake 4 and the second contact area 16. 17 04-2013 s ». 110 2013/50235
    On the other hand, the arrangement of the guide element 19 (which may be arranged either only on one or both sides of the additional grate 3) has the decisive advantage that the cleaning rake 4 can also be guided past the conveying direction against the supplementary grate 3 without it being there to a collision between cleaning rake 4 and additional grate 3 comes. Such an operation may be necessary, for example, if screenings are wedged in the screen 1 or in the additional grid 3 in such a way that the cleaning rack 4 can no longer be moved in the conveying direction.
    A corresponding course of movement of cleaning rake 4 and additional grate 3 is obtained when looking at the figures 3 to 8 in reverse order. In this case, the cleaning rake 4 moves counterclockwise and first comes into contact with the additional rake via the second contact area 16. Since the guide member 19 is preferably provided with a run-on slope 18, the additional rake is finally pivoted in a further movement of the cleaning rake 4 against the conveying direction of its operating position in the direction of Passierstellung. The cleaning rake 4 finally moves between the wasted auxiliary rake and the screen rake, i. H. by the resulting during pivoting free space 11, down. After passing through the additional rake pivoted again automatically in its operating position, so that the temporary free space 11 is closed again and there is no gap between additional rake and screen rake, the screenings could happen.
    FIG. 12 shows a further embodiment of the invention. Instead of the previously described grate 1 is in this case also serving as Abscheidefläche 26, closed surface element 27 is used, wherein the or the Abscheidefläche 26 associated (n) cleaning prongs 9 should be modified accordingly (the indicated, in direction 18 -04 Cleaning tines 9 facing the separating surfaces 26 could, for example, be designed as scrapers running perpendicular to the plane of the sheet, with the aid of which the screenings retained by the additional grid 3 or the closed planar element 27 can be conveyed upwards along the separating surface 26). The closed surface element 27 may, for example, be present as a deposition plate formed perpendicular to the plane of the sheet. Finally, it would also be conceivable to design the separation surface 26 as a deposition plate, which has a multiplicity of openings, for example in the form of bores, so that a certain screening effect could be achieved here as well (similar to the screen 1).
    Finally, the synopsis of Figures 13 and 14, a further advantageous embodiment of the present invention can be seen. Thus, it may be desirable to raise the additional grate 3 in case of a defect or an unwanted stop of the cleaning rake 4 a certain amount. This finally creates a gap between the original supporting surface of the supplementary grate 3 (eg a channel bottom or an intermediate heel mounted on the channel bottom), so that the liquid actually to be cleaned (for example waste water) can pass through the device according to the invention untreated below the additional grate 3. Adding the additional grate 3 and / or the Abscheidefläche 26 can be avoided in this case. After restarting the cleaning rake 4, the additional grate 3 can finally be lowered back to its original position to close the gap mentioned again.
    From a constructive point of view, this means that it can be advantageous if the supplementary grate 3 is connected to a lifting unit 28, with the aid of which it can be lifted, for example by means of a winch or other lifting device. The lifting unit 28 includes z. B. a linkage 29, which in turn may comprise a arranged in the lower region of the additional grid 3 supporting portion 30. jPririted: 00-04-2013 {Ε0Ϊ4 flQ # ipÖ £ 35 19
    Furthermore, it is advantageous if the linkage 29 or the supplementary grid 3 is guided by one or more stationary guides 31 (shown schematically in FIGS. 13 and 14). The guides 31 may for example be attached to a sewer wall or a base frame of the device according to the invention and lead the additional grate 3 preferably in a vertical or inclined to the horizontal direction.
    Finally, the lifting unit 28 or its linkage 29 may have a receptacle, for example in the form of an eyelet 32, via which it can be connected to said lifting device.
    Incidentally, the invention is not limited to the illustrated embodiments. Rather, all combinations of the individual features described, as shown or described in the claims, the description and the figures and as far as a corresponding combination is technically possible or seems reasonable, the subject of the invention.
    For example, it is possible to dispense with the rollers shown in the figures, so that the first contact region is formed by a surface of the cleaning rake. Also, the second abutment region or the guide element is not absolutely necessary (for example, if a movement of the cleaning rake against the conveying direction is not desired).
    It would also be conceivable to equip the housing or the guide of the screening device in the region of the Umtaufketten with additional lateral guide rails on which the cleaning rake laterally (i.e., relative to Figure 9 left and / or right of the cleaning rake) during its movement. Finally, the guide rail ensures that the cleaning rake does not drift off its predetermined path in the transverse direction (i.e., to the left or right in Figure 9). The mutual distance of the guide rails is preferably adjustable relative to one another in order to be able to adjust the position of the cleaning rake in the transverse direction in such a way that the tines 20 of the same engage exactly in the interspaces of the grate or additional grate. Manufacturing tolerances can be compensated. The adjustment of the guide rails can be made possible for example by the fact that the guide rails have slots that are penetrated by stationary screw arranged. After appropriate adjustment, the screw are finally tightened so that the cleaning rake is guided laterally. iPrinted: 09-
    102013/50235 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28
    LIST OF REFERENCES
    grate
    Front of the grate
    additional rust
    cleaning rake
    Discharge opening Rear side of additional grate
    To keep track of leadership
    cleaning teeth
    gap
    free space
    axis of rotation
    limiter
    Stop first area second area Rear area of the area
    Run-up guide element
    Container guide rollers
    sewer
    casing
    drive
    baffle
    Separation surface closed surface element
    Lifting unit 22 22 (10 2013/50235 [Printed: 09-04-2013 29 Linkage 30 Carrying section 31 Guide 32 Eyelet
    权利要求:
    Claims (20)
    [1]
    1 -04-2013 N02013 / 50235 Claims 1. A device for separating and removing screenings from a flowing liquid, for example waste water, the device having a separating surface (26) with a front side (2) facing upstream during operation of the device, the apparatus having in a lower region of the separation surface (26) a supplementary screen (3) having a screening surface upstream of the separation surface (26), the device comprising a drive (24) and a drive (24). wherein the cleaning rake (4) is movable in operation along at least a portion of the front face (2) of the separation surface (26) to remove screenings retained by the separation surface (26) and into Direction of a discharge opening (5) to promote, and - wherein the cleaning rake (4) entla during their movement entla ng a downstream facing rear side (6) of the additional grate (3) is movable to remove from the additional grate (3) screened material and to promote towards a discharge opening (5), characterized in that the additional grate (3) relative to the Abscheidefläche ( 26) is movable.
    [2]
    2. Device according to the preceding claim, characterized marked. in that the separating surface (26) is designed as a sieve grate (1) having a sieve surface or as a surface element (27) closed, at least for the most part.
    [3]
    3. Device according to one or more of the preceding claims, characterized in that the cleaning rake (4), preferably via two circulating chains (7), in a guide (8) is guided, being ensured by means of the guide (8), that the cleaning rake (4) during its movement in the conveying direction in the region of the front side (2) of the Abscheidefläche (26) upwards and in the region of the rear side (17) is movable downwards again.
    [4]
    4. The device according to one or more of the preceding claims, characterized in that the Abscheidefläche (26) as a grate (1) is formed, that the grate (1) and the additional grate (3) each comprise a plurality of grate bars, and that the cleaning rake (4) has a first and a second arrangement of cleaning prongs (9), wherein the cleaning rake (4) is movable along the front side (2) of the grate (1) and along the rear side (6) of the supplementary grate (3) in that the first arrangement of the cleaning prongs (9) intervenes in intermediate spaces (10) arranged between the grate bars of the grate grate (1) and the second arrangement of the cleaning prongs (9) intervene in intermediate spaces (10) arranged between the grate bars of the additional grate (3).
    [5]
    5. Device according to the preceding claim, characterized. the cleaning prongs (9) of the second arrangement have a length which is greater than the depth of the latter perpendicular to the screen surface of the additional grid (3), so that the cleaning prongs (9) of the second arrangement pass through the screen surface when passing through the supplementary grid (3) completely penetrate and protrude upstream from the screen surface. mum 3
    [6]
    6. The device according to one or more of the preceding claims, characterized in that the additional grid (3) from an operating position in which the distance between the additional grid (3) and the Abscheidefläche (26) is minimal, is movable into a passing position, in which between the additional grid (3) and the Abscheidefläche (26) from the cleaning rake (4) passable space (11) is present.
    [7]
    7. Device according to the preceding claim, characterized. in that the supplementary grate (3) is pivotable about an axis of rotation (12) between the operating position and the passing position.
    [8]
    8. The device according to one or more of the preceding claims 6 and 7, characterized in that the center of gravity of the additional grate (3) both in the operating position and in the passing position between the axis of rotation (12) of the additional grate (3) and the Abscheidefläche (26) is located, so that the additional grid (3) after passing through the cleaning rake (4) due to gravity returns from the passing position to the operating position.
    [9]
    9. Device according to one or more of the preceding claims 6 to 8, characterized in that the additional grid (3) in the passing position on a rigidly arranged limiter (13) is located.
    [10]
    10. The device according to one or more of the preceding claims 6 to 9, characterized in that the additional grid (3) in the operating position on the Abscheidefläche (26) and / or a rigidly arranged stop (14). 4 4 (10 ^ 13/50235 iPnnted: 09Μ) 4τ2013
    [11]
    11. The device according to one or more of the preceding claims 6 to 10, characterized in that the cleaning rake (4) has a first contact area (15) which on passing the additional grid (3) with the additional grid (3), preferably with the Grate bars, can be brought into contact, wherein the additional grate (3) by means of the cleaning rake (4) during its movement in the conveying direction of the operating position in the direction of Passierstellung is movable.
    [12]
    12. The device according to one or more of the preceding claims 6 to 11, characterized in that the cleaning rake (4) has a second abutment region (16) which upon passing the additional grid (3) with at least one lateral guide element (19) of the additional grid (3) can be brought into contact, wherein the additional grate (3) by means of the cleaning rake (4) during movement against the conveying direction of the operating position in the direction of the passing position is movable.
    [13]
    13. Device according to claims 11 and 12, characterized marked. the first contact area (15) is arranged upstream of the second contact area (16) in the conveying direction of the cleaning rake (4).
    [14]
    14. Device according to one or more of the preceding claims 11 to 13, characterized in that the first contact area (15) and / or the second contact area (16) comprises at least one roller, with the additional grid (3) or its lateral Guide element (s) (19) can be brought into contact.
    [15]
    15. Device according to one or more of the preceding claims 12 to 14, characterized in that the at least one guide element (19) during operation of the device upstream wm®m. 5 5 Η 0 2013/50235 IPrinted: 09-04-2013 is protruding from the screen surface of the supplementary grate (3).
    [16]
    16. The device according to one or more of the preceding claims 12 to 15, characterized in that the at least one guide element (19) has a run-on slope (18) via which it with the second abutment region (16) of the cleaning rake (4) in contact can be brought.
    [17]
    17. The device according to one or more of the preceding claims, characterized in that the additional grid (3) with a lifting unit (28) is connected, with the help of the additional grid (3) relative to the separation surface (26) can move.
    [18]
    18. Device according to the preceding claim, characterized marked. in that the lifting unit (28) comprises a linkage (29) on which the supplementary grid (3), preferably movable relative to the linkage, is mounted.
    [19]
    19. Device according to the preceding claim, characterized marked. in that the linkage (29) comprises a supporting section (30) extending over the width of the supplementary grid (3), the carrying section (30) being placed in a lower region of the supplementary grid (3).
    [20]
    20. The device according to one or more of claims 17 to 19, characterized in that the lifting unit (28) is guided in a guide (31) to allow movement of the additional grate on a predetermined trajectory.

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    同族专利:
    公开号 | 公开日
    AT512704A3|2015-09-15|
    DE102012103058A1|2013-10-10|
    US20130264269A1|2013-10-10|
    AT512704B1|2015-10-15|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    US2033653A|1933-06-08|1936-03-10|Schlapak Rudolph|Sluice rack cleaner|
    DE2248861C3|1972-10-05|1979-04-12|Maschinenfabrik Reika-Werk Gmbh, 5800 Hagen|Trash cleaning device|
    JPS5626726B2|1978-09-11|1981-06-20|
    JPS587010A|1981-07-07|1983-01-14|Kozo Nomura|Improvement of screen dust remover with rake|
    US6086757A|1997-01-21|2000-07-11|United States Filter Corporation|Guide rollers for cog rake bar screens|
    AU2002343509A1|2001-10-12|2003-04-22|Enviro-Care Company|Debris removal system|
    JP2003273941A|2002-03-13|2003-09-26|Toshiba Microelectronics Corp|Transceiver circuit|
    US7776212B2|2006-03-14|2010-08-17|Laitram, L.L.C.|Water screen system with boot seal|
    KR101390846B1|2009-10-05|2014-05-27|한국전자통신연구원|Apparatus of repeating for terrestrial dtv broadcasting signal and additional data transmission and method therof|DE102015108006A1|2015-05-20|2016-11-24|Huber Se|Apparatus for separating and removing screenings from a streaming liquid contaminated with screenings|
    DE102017124991A1|2017-10-25|2019-04-25|Huber Se|Arrangement and method for the separation and removal of screenings from wastewater|
    DE102020116332A1|2020-06-22|2021-12-23|Huber Se|Sieve device and method for adjusting the tension on a sieve device|
    法律状态:
    2019-12-15| MM01| Lapse because of not paying annual fees|Effective date: 20190408 |
    优先权:
    申请号 | 申请日 | 专利标题
    DE102012103058A|DE102012103058A1|2012-04-10|2012-04-10|Device with a grate and a movable additional grate for removing screenings from a flowing liquid|
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