• 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 mixer (10) for sucking and mixing a product (12) solid, powdery type, with a liquid (14) from a tank (16), characterized in that it comprises a lance (18). ) which has a suction nozzle (20) adapted to suck said powdery product (12), a mixing bowl (32) which has a shape of revolution delimited by a wall (36) side, the mouthpiece evacuation (22) of the suction lance (18) opening into the upper part (38) of the bowl (32) for injecting the product (12) into the bowl (32), a circuit (46) designed to circulating the liquid (14) between the tank (16) and the bowl (32), said circuit (46) comprising at least one injection pipe (48) which comprises at least one injection nozzle (52) opening into the upper portion (38) of the bowl (32) so that the liquid (14) from the bowl (16) flows on the side wall (36) of the bowl (32).
    公开号:FR3032361A1
    申请号:FR1551073
    申请日:2015-02-10
    公开日:2016-08-12
    发明作者:Fabien Chapron；Anthony Darrieutort
    申请人:Exel Industries SA；
    IPC主号:
    专利说明:

    [0001] The invention relates to a mixer for sucking and mixing and incorporating a solid product, of the powdery or granular type, with a liquid from a tank of an agricultural sprayer. In the agricultural field, it is sometimes necessary to mix a liquid product contained in a tank of a sprayer, such as water, with a water-miscible solid product, for example a phytosanitary product, the mixture obtained being intended to be sprayed on crops. Generally, the solid product to be incorporated in the tank is packaged in a bag which is poured by the operator directly into the spray tank, through the manhole. Such an operation is physically demanding and time consuming because it requires the operator to mount the bag to the manhole and manipulate it to dump it into the tank. In addition, this incorporation operation presents a risk of environmental pollution by overturning a part of the product next to the tank, as well as a risk of contact between the product and the operator, by splashing by example. Also, it is found that the operator shakes the bag above the tank to dump the last product residues. This type of action may promote the dispersion of the product in the air breathed by the operator. The present invention aims in particular to solve these drawbacks and relates, for this purpose, to a mixer for sucking and mixing a solid product, of the powdery type, with a liquid coming from a tank, characterized in that it comprises: suction lance which has a suction nozzle adapted to suck up said powdery product and a nozzle for discharging said product; - a mixing bowl which has a shape of revolution delimited by a lateral wall, along a vertical axis of revolution, the bowl 30 extending axially from an upper portion delimited by a ceiling, to a lower part, the discharge nozzle of the suction lance opening into the upper portion of the bowl for injecting the product into the bowl a hydraulic circuit designed to circulate the liquid between the tank and the bowl, said circuit comprising at least one injection duct which comprises at least one nozzle injection opening in the upper part 3032361 2 of the bowl so that the liquid from the tank flows on the side wall of the bowl, and a discharge pipe which is adapted to connect the lower part of the bowl on the tank, and - a suction means for the liquid which is arranged downstream of the bowl, for sucking the liquid and the product mixed together through the discharge pipe connected to the mixing bowl. Such a mixer according to the invention limits the manual operations of the operator by allowing him to directly aspirate the solid product to be mixed from the original container of the product, with the suction lance 10. In addition, the mixer makes it possible to obtain a homogeneous mixture of the liquid contained in the tank and of the solid product to be incorporated before it is introduced into said tank. According to an exemplary embodiment of the invention, the injection nozzle 15 of the liquid extends generally tangentially to the axis of revolution of the bowl, so as to inject the liquid on the wall of the bowl by printing a movement of swirl liquid audit. The swirling flow of the liquid makes it possible to promote the mixing of the liquid with the solid product and especially the non-clogging of the powdery products on the walls of the bowl. According to an alternative embodiment of the invention, the liquid injection nozzle has a generally annular shape arranged around the axis of the bowl, so as to inject the liquid on the wall of the bowl by printing a downward axial movement liquid audit. This characteristic makes it possible in particular to prevent the liquid from rising in the suction lance by the discharge nozzle thereof. Preferably, the bowl has a generally frustoconical shape along the axis of revolution of the bowl, the lower portion of the bowl narrowing towards the discharge pipe of the hydraulic circuit. Such frusto-conical shape promotes the mixing of the liquid and the solid product as well as the flow and evacuation of the mixture at the lower end of the cuvette. In another aspect, the discharge nozzle of the suction lance opens axially into the ceiling of the bowl to inject the product into the bowl, the evacuation tip protruding from the ceiling of the bowl. bowl to form a lip preventing the entry of liquid inside the lance. In addition, the liquid suction means comprises a first inlet which is connected to the injection pipe, an outlet which is connected to the tank and a second suction inlet which connects the drain channel of the bowl. to create a depression in the bowl by Venturi effect. Also, the hydraulic circuit comprises a means for driving the liquid contained in the tank, which is designed to drive the liquid through the hydraulic circuit.
    [0002] To promote the suction of a powdery or granular product, the suction nozzle of the suction lance has a flared shape. Also, the suction nozzle of the suction lance has on one side a linear edge forming a scraper to scrape the bottom of a container, and on the other, an edge delimiting notches to prevent a container 15 flexible to stick to the suction tip under the effect of suction. According to an exemplary embodiment of the invention, the suction lance is removably mounted on the bowl, and the mixer comprises a quick coupling means of the discharge nozzle of the suction lance on the bowl . Finally, the mixer comprises a device for incorporating liquid product, which is connected to the upper part of the bowl by a conduit to allow the incorporation of an additional liquid product in the bowl without the use of the lance. suction. Other features and advantages of the invention will appear on reading the detailed description which follows for the understanding of which reference will be made to the appended drawings in which: FIG. 1 is a schematic overview showing a mixer comprising a mixing bowl and a suction lance for the solid product, according to the invention; Figure 2 is a schematic sectional detail view illustrating an alternative embodiment of the cuvette of Figure 1; - Figure 3 is a schematic sectional view of detail, which illustrates the mixer of Figure 1 equipped with a liquid product incorporation hopper; FIG. 4 is a schematic sectional detail view illustrating the mixer of FIG. 1 equipped with a liquid product suction rod; - Figure 5 is a schematic sectional view of detail, which illustrates a means for rapid coupling of the discharge nozzle of the suction lance on the bowl, according to an alternative embodiment of the invention. In the description and the claims, the terms "higher" and "lower" and their derivatives will be used in a nonlimiting manner with reference to the upper part and the lower part respectively of FIGS. 1 to 5. In addition, to clarify the description and the claims, will adopt without limitation the longitudinal, vertical and transverse terminology with reference to the trihedron L, V, T indicated in the figures. Note that in the present patent application, the terms "upstream" and "downstream" should be understood in relation to the flow of fluids and solids through the mixer. For the different embodiments, the same references may be used for identical elements or ensuring the same function, for the sake of simplification of the description. There is shown in Figure 1 a mixer 10 for mixing a solid product 12 contained in a bag 13, with a liquid 14 from a tank 16, for example a tank of an agricultural sprayer, to obtain a liquid mixture sprayable. By solid product 12 is meant all products of the powdery, granular, chip or flake type. This may include a fertilizer miscible in water. The mixer 10 comprises a suction lance 18 which extends from a suction nozzle 20 adapted to suck the product 12, to a discharge nozzle 22 of the sucked product. The suction nozzle 20 of the lance 18 is mounted at the end of a handling arm 24 which is adapted to be manipulated by the operator to suck up the product 12 contained in the bag 13. For this purpose, the suction tip 20 has a flared shape 30 widened at its free end to promote the suction of the product 12. In addition, as can be seen in Figure 1, the suction tip 20 has a free end of generally rectangular section which is delimited by a first linear scraper edge 26 to scrape the bottom of the bag 13. Advantageously, the suction tip 20 has a second linear edge 28 which delimits notches 30 to prevent the bag 13 flexible to stick to the suction tip 20 under the effect of suction. The discharge nozzle 22 of the lance 18 is connected to a mixing bowl 32 by a flexible duct 34 which connects the arm 24 for handling the lance 18. Preferably, the inner wall of the arm 24 and that of the duct 34 associated are smooth and stepless, to promote the suction and non-clogging of the product 12 when these walls are wet. The mixing bowl 32 has a frustoconical shape of revolution along a vertical axis A of revolution. With reference to FIG. 1, the bowl 32 is delimited by an upwardly flared frustoconical lateral wall 36, the bowl 32 extending axially from an upper portion 38 delimited by a ceiling 40, 15 to a lower portion 42 of narrowed section. As can be seen in FIG. 2, the evacuation tip 22 of the suction lance 18 opens axially into the ceiling 40 of the upper part 38 of the bowl 32, generally at the center of the ceiling 40, to inject the product 12 in the bowl 32. Advantageously, the discharge nozzle 22 of the lance 18 protrudes axially from the ceiling 40 of the bowl 32, towards the inside of the bowl 32, to form a lip 44 preventing the In another aspect, the mixer 10 includes a hydraulic circuit 46 which is adapted to circulate the liquid 14 between the tank 16 and the bowl 32. circuit 46 comprises an injection pipe 48 which connects the tank 16 to the upper part 38 of the bowl 32 and a discharge pipe 50 which connects the lower part 42 of the bowl 32 to the tank 16. According to a first example embodiment of the invention shown in FIG. injection nozzle 48 has an injection nozzle 52 which opens into the upper portion 38 of the bowl 32 and which extends generally tangentially to the axis A of revolution of the bowl 32, so as to inject the liquid 14 on the wall 36 of the bowl 32 by generating a vortex motion to the liquid 14. Thus, under the combined effect of the earth's gravity and the orientation of the injection nozzle 52, the liquid 14 from the tank 16 swirls against the wall 36 of the bowl 32 down to the lower portion 42 of the bowl 32. 5 Additionally, the discharge pipe 50 opens axially to the frustoconical lower end of the bowl 32 to collect the liquid 14. In addition, a suction means 54 for the liquid is arranged downstream of the evacuation duct 50, for sucking the liquid 14 and the product 12 mixed 10 between them through the mixing bowl 32. The suction means 54, of the Venturi type, comprises a first inlet 56 which is connected to the injection duct 48, an outlet 58 which is connected to the tank 16 and a second inlet 60 which connects the duct. evacuation 50 from the bowl 32.
    [0003] The second inlet 60 of the suction means 54 creates a vacuum by venturi effect, which allows the bowl 32 to depression to suck the mixture contained in the bowl 32 and to suck the product 12 through the lance 18 suction . In addition, the hydraulic circuit 46 is equipped with a pump 62 which is arranged on the injection pipe 48, upstream of the bowl 32, to drive and pressurize the liquid through the hydraulic circuit 46. An example of operation of the mixer 10 is described below. At first, the pump 62 is put into operation 25 to drive the liquid in the hydraulic circuit 46 and to create a sufficient pressure upstream of the suction means 54. While passing through the suction means 54, the liquid generates a Depression in the bowl 32. Also, the liquid 14 from the tank 16 is injected into the bowl 32 through the injection nozzle 52 provided for this purpose, the liquid creating a vortex and a cyclonic effect in the bowl 32. After Having opened the bag 13 containing the product 12 to be incorporated, the operator directly introduces the suction lance 18 into the bag 13, the lance 18 sucking the product 12 under the effect of the depression generated in the bowl 32.
    [0004] Depending on the texture of the product 12, it may be necessary to stir the suction lance 18 in the bag to "thin" the product 12 to be able to suck it. To suck up the bottom of the bag 13, it suffices to lean the bag 5 manually and to orient the suction tip 20 of the lance 18 in the lower corner of the bag 13. In the case of a paper bag 13, it may be necessary to scrape the bottom of the bag with the scraper 26 of the suction nozzle 20 to leave the minimum residual product.
    [0005] According to an alternative embodiment of the invention shown in Figure 2, the injection nozzle 52 of the liquid 14 in the bowl 32 has a generally annular shape which opens axially into the ceiling 40 of the bowl 32, so as to inject the liquid 14 on the wall of the bowl 32 by imparting an axial downward movement to the liquid 14, as illustrated by the arrows in FIG. 2. The annular injection nozzle 52 is centered along the axis A of revolution of the bowl 32, so that the discharge nozzle 22 of the lance 18 suction opens in the middle of the injection nozzle 52. This embodiment allows not to wet the nozzle 20 of evacuation 22 of the lance 18 suction. According to another alternative embodiment shown in Figure 5, the suction lance 18 is removably mounted on the bowl 32. For this purpose, the mixer 10 comprises a quick coupling means 64 by shape cooperation of the discharge nozzle 22 of the lance 18 25 suction on the ceiling 40 of the bowl 32. The quick coupling means 64, which is for example of type interlocking shape cooperation, is airtight for allow the vacuum lance 18 to be depressed. According to another exemplary embodiment of the invention shown in FIG. 3, the mixer 10 comprises a device 66 for incorporating liquid product, which is connected to the upper part 38 of the bowl 32 to allow the incorporation of an additional liquid product in the bowl 32. The incorporation device 66 comprises for example an incorporation hopper 68, a duct 70 which connects the hopper 68 to the bowl 32 and a stop valve 72 which is stitched onto the leads 70.
    [0006] In addition, the conduit 70 opens into the bowl 32 so as to disturb as little as possible the flow of the liquid 14 from the tank 16 into the bowl 32. According to an alternative embodiment of the invention, the conduit 70 5 opens into the bowl 32 between the ceiling 40 of the bowl 32 and the quick-coupling means 64, so as not to disturb the flow of the liquid 14. The incorporation device 66 makes it possible to incorporate an additional liquid in the liquid 14 contained in the tank 16, simultaneously or not with the solid product 12.
    [0007] Non-limitingly, the incorporation device 66 may comprise a rod 74 of incorporation shown in Figure 4. The rod 74 connects the bowl 32 by a flexible pipe 76 equipped with a check valve 78 and a stop valve, to allow suction of a liquid from a container (not shown), such as a can, to the bowl 32.
    [0008] The present description of the invention is given by way of non-limiting example.
    权利要求:
    Claims (11)
    [0001]
    REVENDICATIONS1. Mixer (10) for sucking and mixing a solid product (12), of the powdery type, with a liquid (14) coming from a tank (16), characterized in that it comprises: - a lance (18) d suction having a suction nozzle (20) adapted to suck said powdery product (12) and a discharge nozzle (22) of said product (12), - a mixing bowl (32) which has a shape of revolution 10 delimited by a wall (36) lateral, along a vertical axis (A) of revolution, the bowl (32) extending axially from an upper portion (38) delimited by a ceiling (40), to a lower portion (42), the discharge nozzle (22) of the suction lance (18) opening into the upper part (38) of the bowl (32) for injecting the product (12) into the bowl (32), A hydraulic circuit (46) designed to circulate the liquid (14) between the tank (16) and the bowl (32), said circuit (46) comprising at least one injection pipe (4); 8) which comprises at least one injection nozzle (52) opening into the upper part (38) of the bowl (32) so that the liquid (14) coming from the tank (16) flows on the wall ( 36) side of the bowl (32), and a drain (50) which is adapted to connect the lower portion (40) of the bowl (32) to the bowl (16), and - a means of suction (54) of the liquid which is arranged downstream of the bowl (32), for sucking the liquid (14) and the product (12) mixed together through the discharge pipe (50) connected to the bowl (32); ) mixture. 25
    [0002]
    2. Mixer (10) according to claim 1, characterized in that the injection nozzle (52) of the liquid (14) extends generally tangentially to the axis (A) of revolution of the bowl (32), injecting the liquid (14) onto the wall (36) of the bowl (32) by vortexing said liquid (14). 30
    [0003]
    3. Mixer (10) according to claim 1, characterized in that the injection nozzle (52) of the liquid (14) has a generally annular shape arranged around the axis (A) of the bowl, so as to inject the liquid (14) on the wall (36) of the bowl (32) imparting downward axial movement to said liquid. 35
    [0004]
    4. Mixer (10) according to any one of the preceding claims, characterized in that the bowl (32) has a generally frustoconical shape 3032361 along the axis (A) of revolution of the bowl (32), the lower part (42) of the cuvette (32) tapering toward the exhaust duct (50) of the hydraulic circuit (46).
    [0005]
    5. Mixer (10) according to any one of the preceding claims, characterized in that the discharge nozzle (22) of the lance (18) opens axially into the ceiling (40) of the bowl (32). ) for injecting the product (12) into the cuvette (32), the discharge nozzle (22) projecting from the ceiling (40) of the cuvette (32) to form a lip (44) preventing entry of liquid inside the lance (18).
    [0006]
    6. Mixer (10) according to any one of the preceding claims, characterized in that the suction means (54) of the liquid (14) comprises a first inlet (56) which is connected to the injection pipe (48). ), an outlet (58) which is connected to the tank (16) and a second suction inlet (60) which connects the outlet duct (50) of the bowl (32) to create a depression in the bowl ( 32) by Venturi effect.
    [0007]
    7. Mixer (10) according to any one of the preceding claims, characterized in that the circuit (46) comprises a hydraulic drive means (62) of the liquid (14) contained in the tank (16), which is designed for driving the liquid (14) through the hydraulic circuit (46),
    [0008]
    8. Mixer (10) according to any one of the preceding claims, characterized in that the suction nozzle (20) of the lance (18) has a suction flared shape adapted to promote the suction of a powdery or granular product.
    [0009]
    9. Mixer (10) according to any one of the preceding claims, characterized in that the suction nozzle (20) of the suction lance (18) has on one side a linear edge forming a scraper (26) for scraping the bottom of a container (13), and the other, an edge delimiting notches (30) to prevent a container (13) flexible to stick to the suction nozzle (20) under the effect of aspiration.
    [0010]
    10. Mixer (10) according to any one of the preceding claims, characterized in that the lance (18) suction is removably mounted on the bowl (32), and in that the mixer (10) comprises a rapid coupling means (64) of the discharge nozzle (22) of the suction lance (18) on the bowl (32).
    [0011]
    11. Mixer (10) according to any one of the preceding claims, characterized in that it comprises a liquid product incorporation device (66) 3032361 11, which is connected to the upper part (38) of the bowl ( 32) by a conduit (70) to allow the incorporation of an additional liquid product in the bowl (32).
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    同族专利:
    公开号 | 公开日
    WO2016128677A2|2016-08-18|
    RU2700048C2|2019-09-12|
    US20170333928A1|2017-11-23|
    RU2017130692A3|2019-05-24|
    EP3256238B1|2021-03-17|
    FR3032361B1|2022-01-28|
    CN107206335A|2017-09-26|
    ES2873077T3|2021-11-03|
    RU2017130692A|2019-03-11|
    WO2016128677A3|2016-09-29|
    CA2975665A1|2016-08-18|
    US10252282B2|2019-04-09|
    EP3256238A2|2017-12-20|
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    法律状态:
    2015-12-30| PLFP| Fee payment|Year of fee payment: 2 |
    2016-08-12| PLSC| Publication of the preliminary search report|Effective date: 20160812 |
    2017-01-24| PLFP| Fee payment|Year of fee payment: 3 |
    2018-01-23| PLFP| Fee payment|Year of fee payment: 4 |
    2020-02-28| PLFP| Fee payment|Year of fee payment: 6 |
    2021-02-26| PLFP| Fee payment|Year of fee payment: 7 |
    优先权:
    申请号 | 申请日 | 专利标题
    FR1551073A|FR3032361B1|2015-02-10|2015-02-10|MIXER FOR ASPIRING AND MIXING A SOLID PRODUCT WITH A LIQUID COMING FROM A SPRAY TANK|FR1551073A| FR3032361B1|2015-02-10|2015-02-10|MIXER FOR ASPIRING AND MIXING A SOLID PRODUCT WITH A LIQUID COMING FROM A SPRAY TANK|
    PCT/FR2016/050300| WO2016128677A2|2015-02-10|2016-02-10|Mixer for drawing and mixing a solid product with a liquid from a tank of a sprayer|
    ES16707893T| ES2873077T3|2015-02-10|2016-02-10|Mixer to aspirate and mix a solid product with a liquid from a spray tank|
    CN201680009646.3A| CN107206335A|2015-02-10|2016-02-10|For the blender for aspirating solid product and making the solid product be mixed with the liquid of the bucket from sprayer|
    RU2017130692A| RU2700048C2|2015-02-10|2016-02-10|Mixer for suction and mixing of solid product with liquid coming from sprayer tank|
    CA2975665A| CA2975665A1|2015-02-10|2016-02-10|Mixer for drawing and mixing a solid product with a liquid from a tank of a sprayer|
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