Washing device for anhydrous iron phosphate production

Abstract

The utility model relates to the technical field of anhydrous iron phosphate production, and discloses a washing device for anhydrous iron phosphate production, which comprises a washing frame, two sides of the washing frame are rotatably connected with conveying chains, a plurality of supporting plates are uniformly fixed between the two conveying chains at intervals, each supporting plate is provided with a supporting component, and the supporting components are arranged on the washing frame. A first gear is fixed to the bottom face of a bottom plate in the supporting assembly, the first gear is rotationally connected into the supporting plate, and a driving assembly for driving the first gear to rotate is further arranged on the washing frame. The filter cake cleaning device has the advantages that the whole device can continuously feed filter cakes, spray and clean the filter cakes and take out the filter cakes after cleaning is completed; and the efficiency is obviously improved compared with that of cleaning several workpieces at a time.

Description

Technical Field

[0001] This utility model relates to the field of anhydrous ferric phosphate production technology, and in particular to a washing device for anhydrous ferric phosphate production. Background Technology

[0002] In the field of lithium-ion battery cathode materials, anhydrous iron phosphate is used as a precursor for the synthesis of lithium iron phosphate (LiFePO4). Due to its high safety, long cycle life, and environmentally friendly characteristics, lithium iron phosphate has become the mainstream choice for power batteries. Its olivine structure allows for rapid lithium-ion insertion and extraction, with minimal volume change during charge and discharge, resulting in significantly better battery stability than materials such as lithium cobalt oxide. Lithium iron phosphate batteries are widely used in new energy vehicles, energy storage power stations, and power tools; some Tesla models and BYD's blade battery both utilize this material.

[0003] Chinese patent CN217188099U discloses a system for washing and collecting and reusing ferric phosphate filter cake, including a base plate. A water tank is fixedly connected to the upper side of the base plate, and a first connecting pipe is fixedly connected to the side wall of the water tank. A water pump is fixedly connected to one end of the first connecting pipe, and a second connecting pipe is fixedly connected to the output end of the water pump. The water pump is fixedly connected to the upper side of the base plate, and multiple support rods are fixedly connected to the upper side of the support rods, with a water collection tank fixedly connected to the upper end of each support rod. This invention is reasonably designed and ingeniously conceived, improving the utilization rate of pure water and thus reducing its consumption. It also thoroughly washes the filter cake, improving the washing effect. However, the above-mentioned device can only hold one or a small number of filter cakes each time it washes, and the washing time per cycle is relatively long, resulting in low overall washing efficiency. Utility Model Content

[0004] The purpose of this invention is to provide a washing device for the production of anhydrous ferric phosphate, which can continuously wash the filter cake and significantly improve washing efficiency.

[0005] The above-mentioned technical objective of this utility model is achieved through the following technical solution: it includes a washing rack, on both sides of which are rotatably connected to conveyor chains. Several support plates are fixed at even intervals between the two conveyor chains. Each support plate is provided with a support component. A gear is fixed to the bottom surface of the base plate in the support component. The gear is rotatably connected to the support plate. The washing rack is also provided with a drive component for driving the gear to rotate.

[0006] A further feature of this invention is that the drive assembly includes a rack fixed to one side of the washing rack, and a second gear is rotatably connected to the support plate on one side of the gear. The two sides of the second gear are respectively externally meshed with the rack and the first gear.

[0007] The utility model discloses a further setting for: support assembly still includes two symmetrical fixed on the support vertical board of bottom plate, the support vertical board is U type, the one side vertical board inner wall of support vertical board is connected with spring, the other end of spring is connected with the pressing plate, spring drive pressing plate is close to the vertical board of other side.

[0008] The utility model discloses a further setting for: the included angle between two support vertical board and bottom plate is acute angle, and the top of two support vertical board is close.

[0009] The utility model discloses a further setting for: the arc cover plate is fixed on the water washing frame upper cover, the arc cover plate inner wall surface is provided with the long strip shape outlet pipe who sets up along the movement direction of conveying chain, a plurality of branch pipes are communicated with interval on the long strip shape outlet pipe, and the spray head is set up on the branch pipe.

[0010] The utility model discloses a further setting for: the long strip shape outlet pipe is communicated with the inlet pipe of outside.

[0011] The utility model discloses a further setting for: the water washing frame bottom is provided with the recovery water tank.

[0012] The utility model discloses a further setting for: the water washing frame opposite two sides of recovery water tank upper are provided with the baffle.

[0013] The utility model discloses a further setting for: the both ends of pressing plate are provided with the arc.

[0014] The utility model discloses a further setting for: the flexible layer is provided on the outside of pressing plate.

[0015] The utility model discloses a further setting for: the flexible layer is provided on the outside of pressing plate.

[0016] 1、two support vertical boards in each support assembly can be used for placing the filter cake vertically, since the pressing plate is connected with the spring in the one side vertical board of support vertical board, when the filter cake moves in the water washing frame under the drive of conveying chain, the stability of filter cake can be improved, and the stability of vertical placement of filter cake is further improved by the design that the top of two support vertical boards is close.

[0017] 2、when the filter cake is put on the support vertical board outside the arc cover plate, when the gear two on the support vertical board moves to start and engages with the rack, the gear two rotates and drives the gear one to rotate, at this time, the bottom plate is driven to rotate, and the filter cake is driven to rotate, at this time, the filter cake is located in the arc cover plate, and the water pipe on the bottom surface of the filter cake is communicated with water and sprayed from the spray head, the filter cake in continuous rotation is sprayed and cleaned, since a plurality of branch pipes are arranged in the water pipe, the contact area of water and filter cake can be improved, and the cleaning effect can be further improved by the contact of filter cake with water in rotation.

[0018] 3. The entire device can continuously feed filter cake, spray and clean the filter cake, and remove it after cleaning, which significantly improves efficiency compared to cleaning several at a time.

[0019] 4. By installing a recycling tank under the washing rack, water can be further recycled and reused, improving the utilization rate of water resources. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0021] Figure 1 This is a schematic diagram of the structure of this utility model.

[0022] Figure 2 This is a schematic diagram of the structure of the arc-shaped cover plate after it is flipped over in this utility model.

[0023] Figure 3 This is a schematic diagram of the water washing rack in this utility model.

[0024] Figure 4 This is a schematic diagram of the support component in this utility model.

[0025] In the diagram, 1. Washing rack; 2. Conveyor chain; 3. Support plate; 4. Base plate; 5. Gear 1; 6. Rack; 7. Gear 2; 8. Supporting vertical plate; 9. Spring; 10. Pressure plate; 11. Arc-shaped cover plate; 12. Water outlet pipe; 13. Branch pipe; 14. Sprayer head; 15. Recycle water tank; 16. Baffle. Detailed Implementation

[0026] The technical solution of this utility model will now be clearly and completely described with reference to specific embodiments. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0027] Example: A washing apparatus for the production of anhydrous ferric phosphate, such as... Figures 1-4As shown, including water washing frame 1, the water washing frame 1 is covered with an arc-shaped cover plate 11, the inner wall of the arc-shaped cover plate 11 is provided with a long strip-shaped water outlet pipe 12 along the movement direction of the conveying chain 2, a plurality of branch pipes 13 are connected to the long strip-shaped water outlet pipe 12 at intervals, a spray head 14 is arranged on the branch pipe 13, the long strip-shaped water outlet pipe 12 is communicated with the water inlet pipe outside, the conveying chain 2 is rotatably connected to both sides of the water washing frame 1, a plurality of support plates 3 are uniformly and fixedly arranged between the two conveying chains 2, a support assembly is arranged on each support plate 3, a gear one 5 is fixed to the bottom surface of the bottom plate 4 in the support assembly, the gear one 5 is rotatably connected to the support plate 3, the water washing frame 1 is further provided with a driving assembly for driving the gear one 5 to rotate, the driving assembly comprises a rack 6 fixed to one side of the water washing frame 1, a gear two 7 is further rotatably connected to the side of the support plate 3 of the gear one 5, the gear two 7 is respectively engaged with the rack 6 and the gear one 5 on both sides, when the filter cake is put into the arc-shaped cover plate 11 and placed on the support vertical plate 8, when the gear two 7 on the support vertical plate 8 moves to start engaging with the rack 6, the gear two 7 rotates to drive the gear one 5 to rotate, at this time the bottom plate 4 is rotated, and the filter cake is rotated, at this time the filter cake is located in the arc-shaped cover plate 11, water is sprayed from the spray head 14 in the water outlet pipe 12 on the bottom surface of the filter cake, and the filter cake is sprayed and washed in the rotating process, since a plurality of branch pipes 13 are arranged in the water pipe, the contact area between the water and the filter cake can be increased, and the cleaning effect can be further improved since the filter cake is in contact with the water in the rotating process.

[0028] Further, the support assembly further comprises two support vertical plates 8 symmetrically fixed to the bottom plate 4, the support vertical plate 8 is in U shape, a spring 9 is connected to the inner wall of the vertical plate on one side of the support vertical plate 8, the other end of the spring 9 is connected to a pressing plate 10, the spring 9 drives the pressing plate 10 to approach the vertical plate on the other side, the included angle between the two support vertical plates 8 and the bottom plate 4 is an acute angle, and the top portions of the two support vertical plates 8 are close to each other, the two support vertical plates 8 in each support assembly can be used to place the vertically placed filter cake, since the pressing plate 10 is connected to the vertical plate on one side of the support vertical plate 8 through the spring 9, when the filter cake moves in the water washing frame 1 under the driving of the conveying chain 2, the stability of the filter cake can be improved, and the stability of the vertically placed filter cake can be further improved since the top portions of the two support vertical plates 8 are close to each other.

[0029] Further, the water washing frame 1 is provided with a recycling water tank 15 at the bottom, and baffles 16 are arranged on the opposite sides of the water washing frame 1 above the recycling water tank 15, so that the water can be further recycled and utilized, and the utilization rate of water resources can be improved.

[0030] Further, the two ends of the pressing plate 10 are provided in arc shape, and a flexible layer is arranged on the outer side of the pressing plate 10, so as to reduce the abrasion of the filter cake.

[0031] Working principle of a washing device for producing anhydrous ferric phosphate:

[0032] Two support vertical plates 8 in each support assembly can be used to place the vertical filter cake. Since a pressing plate 10 is connected to one side of the support vertical plate 8 by a spring 9, the stability of the filter cake can be improved when the filter cake moves in the water washing frame 1 under the drive of the conveying chain 2. Meanwhile, the top of the two support vertical plates 8 is designed to be close to each other, further improving the stability of the vertical placement of the filter cake.

[0033] When the filter cake is placed on the support vertical plate 8 outside the arc-shaped cover plate 11, the gear two 7 on the support vertical plate 8 moves to start engaging with the rack 6. The rotation of the gear two 7 drives the rotation of the gear one 5. At this time, the bottom plate 4 is driven to rotate, and the filter cake is also driven to rotate. At this time, the filter cake is located in the arc-shaped cover plate 11, and water is sprayed from the nozzle 14 into the water outlet pipe 12 on the bottom surface of the filter cake. The filter cake is continuously rotated and sprayed for cleaning. Since multiple branch pipes 13 are arranged in the water pipe, the contact area between the water and the filter cake can be improved. Meanwhile, the filter cake is in contact with the water during rotation, which can further improve the cleaning effect.

Claims

1. A washing apparatus for the production of anhydrous ferric phosphate, characterized in that: The washing rack (1) includes a washing rack (1) with conveyor chains (2) rotatably connected to both sides of the washing rack (1). Several support plates (3) are fixed at even intervals between the two conveyor chains (2). Each support plate (3) is provided with a support component. A gear (5) is fixed on the bottom surface of the base plate (4) in the support component. The gear (5) is rotatably connected to the support plate (3). The washing rack (1) is also provided with a drive component that drives the gear (5) to rotate.

2. The washing device for anhydrous ferric phosphate production according to claim 1, characterized in that: The drive assembly includes a rack (6) fixed to one side of the washing rack (1), and a second gear (7) is rotatably connected to the support plate (3) on the side of the first gear (5). The two sides of the second gear (7) are respectively meshed with the rack (6) and the first gear (5).

3. The washing device for anhydrous ferric phosphate production according to claim 2, characterized in that: The support assembly also includes two symmetrical support vertical plates (8) fixed on the base plate (4). The support vertical plates (8) are U-shaped. A spring (9) is connected to the inner wall of one side of the support vertical plate (8). A pressure plate (10) is connected to the other end of the spring (9). The spring (9) drives the pressure plate (10) to move closer to the vertical plate on the other side.

4. A washing device for producing anhydrous ferric phosphate according to claim 3, characterized in that: The angle between the two supporting vertical plates (8) and the base plate (4) is acute, and the tops of the two supporting vertical plates (8) are close to each other.

5. A washing device for anhydrous ferric phosphate production according to claim 4, characterized in that: The washing rack (1) is covered with a fixed arc-shaped cover plate (11). The inner wall of the arc-shaped cover plate (11) is provided with a long strip-shaped water outlet pipe (12) arranged along the movement direction of the conveyor chain (2). Several branch pipes (13) are connected at intervals on the long strip-shaped water outlet pipe (12), and nozzles (14) are provided on the branch pipes (13).

6. A washing apparatus for producing anhydrous ferric phosphate according to claim 5, characterized in that: The elongated water outlet pipe (12) is connected to the external water inlet pipe.

7. A washing apparatus for producing anhydrous ferric phosphate according to claim 6, characterized in that: The bottom of the washing rack (1) is equipped with a water recycling tank (15).

8. A washing apparatus for producing anhydrous ferric phosphate according to claim 7, characterized in that: The washing rack (1) above the recycling tank (15) is provided with baffles (16) on opposite sides.

9. A washing apparatus for producing anhydrous ferric phosphate according to claim 8, characterized in that: The two ends of the pressure plate (10) are set to be arc-shaped.

10. A washing apparatus for producing anhydrous ferric phosphate according to claim 9, characterized in that: A flexible layer is provided on the outer side of the pressure plate (10).

Images