Raw material filtering device used before feeding in battery-grade sodium carbonate process

Abstract

The utility model relates to the field of filtration of suspended matter impurities in an MVR (Mechanical Vapor Recompression) alkali production system, in particular to a raw material filtering device used before feeding in a battery-grade sodium carbonate process. The technical problems that before alkali making raw materials enter the alkali making process, a solution contains particles, so that impurities are easily generated in the alkali making process, blockage is caused, and a filter pipe is inconvenient to clean are solved. According to the technical scheme, the raw material filtering device used before feeding in the battery-grade sodium carbonate process comprises a concentrated alkali barrel assembly; the device further comprises a raw material storage assembly, a stirring assembly, a liquid conveying assembly, a filtering assembly and a cleaning assembly. Water is injected into a fourth pipeline, a second motor is started at the same time, an output shaft of the second motor drives a screw rod to rotate, a fixing block on the screw rod is limited by a first limiting groove and a second limiting groove and moves left and right at the upper end of a liquid storage shell, and therefore a brush plate is driven to move left and right at the upper end of a precision filter; the problem that the filter pipe is inconvenient to clean is solved.

Description

Technical Field

[0001] The utility model relates to the field of suspended matter impurity filtering in an MVR alkali making system, in particular to a raw material filtering device before feeding in a battery-grade soda ash process. Background Art

[0002] Mechanical vapor recompression technology (MVR) is to compress the secondary steam generated by evaporation of the evaporator, which originally needs cooling water to condense, through a compressor, increase its pressure and saturation temperature, increase its thermal enthalpy, and then send it to the evaporator heater as a heat source to replace the raw steam for recycling. The latent heat of the secondary steam is fully utilized. However, before the alkali raw materials enter the MVR alkali making system, they may contain dust and granular dust, calcium ions and other impurities. In the subsequent alkali making process, more precipitate impurities may appear, which may cause blockage, thick alkali solution, and inconvenience in cleaning the filter tube. Utility Model Content

[0003] In order to overcome the problem that dust, granular dust, calcium ions and other impurities are produced during the reaction in the alkali production process, more precipitate impurities will be produced, resulting in blockage of the reaction device due to the precipitate impurities and thick alkali solution, and it is inconvenient to clean the filter tube, resulting in poor filtering effect after long-term use.

[0004] The technical scheme of the utility model is: a raw material filtering device before feeding of battery-grade soda ash process, comprising a concentrated alkali barrel component; also comprising a raw material storage component, a stirring component, a liquid transmission component, a filtering component and a cleaning component; the concentrated alkali barrel component is provided with a raw material storage component for infusion; the concentrated alkali barrel component is provided with a stirring component for stirring liquid; the concentrated alkali barrel component is provided with a liquid transmission component for making the liquid flow; the concentrated alkali barrel component is provided with a filtering component for filtering liquid impurities; the concentrated alkali barrel component is provided with a cleaning component for cleaning the filter plate of the filtering component.

[0005] Preferably, the raw material storage component is opened so that the three liquid tanks of the raw material storage component are injected and merged into the concentrated alkali barrel component, and then the stirring component is opened to fully and evenly stir the liquid in the concentrated alkali barrel component, and the liquid in the concentrated alkali barrel component is sucked into the filter component through the liquid transmission component for filtering and discharge. When the filter component needs to be cleaned after the work is completed, the cleaning component is opened and water is injected into the concentrated alkali barrel component, and finally the impurities are discharged from the filter component. Filtering the concentrated alkali through the filter component solves the problem that more sediment impurities may appear in the alkali production process, and it is inconvenient to clean the filter tube, resulting in poor subsequent filtering effect after long-term use.

[0006] Preferably, the concentrated alkali barrel assembly includes a liquid storage shell, a liquid discharge port, a sewage discharge port, a water inlet, a first limiting groove, a placement groove, a first liquid injection port, a second liquid injection port, a Z-shaped partition, a through hole and a mounting groove; the right end of the liquid storage shell is penetrated with a liquid discharge port and a sewage discharge port; the upper end of the liquid storage shell is penetrated with a first limiting groove, a water inlet and a first liquid injection port; the right end of the first limiting groove is provided with a placement groove; the left end of the liquid storage shell is penetrated with a mounting groove; the left end of the liquid storage shell is penetrated with two second liquid injection ports; the inner wall of the liquid storage shell is fixedly connected with a Z-shaped partition; the lower parts of the front and rear ends of the Z-shaped partition are penetrated with through holes, and a Z-shaped partition is arranged inside the liquid storage shell; the left end area of ​​the Z-shaped partition is used to merge the condensed water, concentrated alkali solution and the mother liquid tank; the right end area of ​​the Z-shaped partition is used to filter and discharge the solution.

[0007] Preferably, the raw material storage component includes a first pipeline, a first solenoid valve, a mother liquid tank, a concentrated alkali liquid tank, a condensation water barrel and a diaphragm pump; the left end of the second liquid injection port is fixedly connected with the first pipeline in a through-type manner; the first solenoid valve is arranged on the first pipeline; the first pipeline located at the rear left end of the liquid storage shell is fixedly connected with the mother liquid tank in a through-type manner; the first pipeline located at the front left end of the liquid storage shell is fixedly connected with the concentrated alkali liquid tank in a through-type manner; the upper outer wall of the liquid storage shell is fixedly connected with the condensation water barrel and the diaphragm pump; the water inlet end of the diaphragm pump is fixedly connected with the left end outer wall of the condensation water barrel; the water outlet end of the diaphragm pump is connected with the first liquid injection port in a through-type manner, and by opening the first solenoid valve, the liquid in the mother liquid tank and the concentrated alkali liquid tank can flow into the interior of the liquid storage shell through the first pipeline, and by opening the diaphragm pump, the liquid in the condensation water barrel can flow into the liquid storage shell.

[0008] Preferably, the stirring assembly includes a first motor, a stirring column and an auger piece; the left end of the liquid storage shell is fixedly connected to the first motor; the right end of the output shaft of the first motor passes through the mounting groove and is fixedly connected to the stirring column; the outer wall of the stirring column is fixedly connected to the auger piece; the right end of the stirring column is rotatably arranged at the lower front end of the Z-shaped partition, and when the liquids in the mother liquid tank, the concentrated alkali liquid tank and the condensed water barrel flow into the liquid storage shell, the first motor is turned on, so that the output shaft of the first motor drives the stirring column to rotate, and the auger piece on the outer wall of the stirring column stirs the three liquids in the liquid storage shell. The stirring of the auger piece can prevent the liquid from accumulating at the lower end of the inner wall of the liquid storage shell, and make the liquid flow toward the Z-shaped partition on the inner wall of the liquid storage shell.

[0009] Preferably, the liquid transmission component includes a supernatant pump, a second pipe and a third pipe; the supernatant pump is fixedly connected to the upper end of the Z-shaped partition; the third pipe is fixedly connected through the outer wall of the rear end of the Z-shaped partition; the other end of the third pipe is fixedly connected through the input end of the supernatant pump, and the output end of the supernatant pump is fixedly connected through the second pipe, and by turning on the supernatant pump, the mixed liquid flows from the third pipe into the second pipe, and the second pipe transports liquid to the upper left end of the inner wall of the treatment barrel.

[0010] Preferably, the filter assembly includes a treatment barrel, a sewage outlet pipe, a liquid outlet pipe, a second solenoid valve, a third solenoid valve and a precision filter; the inner wall of the liquid storage shell is fixedly connected to the treatment barrel; the water outlet port of the second pipe is fixedly connected to the upper left end of the treatment barrel; the right end of the treatment barrel is fixedly connected to the sewage outlet pipe and the liquid outlet pipe; the sewage outlet pipe is provided with a second solenoid valve; the liquid outlet pipe is provided with a third solenoid valve; the inner wall of the treatment barrel is fixedly connected to the precision filter; the lower end of the inner wall of the water inlet is fixedly connected to the fourth pipe; the fourth pipe is fixedly connected to the upper left end of the treatment barrel; the sewage outlet pipe is provided with a second solenoid valve; the liquid outlet pipe is provided with a third solenoid valve; the inner wall of the treatment barrel is fixedly connected to the fourth pipe; the fourth pipe is fixedly connected to the lower inner wall of the water inlet; the fourth pipe is fixedly connected to the upper left end of the treatment barrel; the sewage outlet pipe is provided with a second solenoid valve; the liquid outlet pipe is provided with a third solenoid valve; the inner wall of the treatment barrel is fixedly connected to the precision filter; the lower inner wall of the water inlet is fixedly connected to the fourth pipe; the fourth pipe is fixedly connected to the upper left end of the treatment barrel; the sewage outlet pipe is provided with a second solenoid valve; the third solenoid valve is provided ... It is fixedly connected to the upper end of the processing barrel; a second limiting groove is opened through the upper end of the processing barrel; the inner wall of the second limiting groove is in the same plane as the inner wall of the first limiting groove; the outer wall of the liquid outlet pipe is in contact with the inner wall of the liquid discharge port; the outer wall of the sewage outlet pipe is in contact with the inner wall of the sewage discharge port. When the liquid flows out from the upper part of the inner wall at the left end of the processing barrel, the liquid is filtered through the filter tube of the precision filter, and finally flows into the lower end of the inner wall of the processing barrel from the filter port of the precision filter. The liquid discharge work of the liquid outlet pipe can be controlled by the third solenoid valve.

[0011] Preferably, the cleaning assembly includes a second motor, a screw, a rotating block, a fixed block, a screw groove and a brush plate; the second motor is fixedly connected to the upper end of the placement groove; the rotating block is fixedly connected to the upper outer wall of the liquid storage shell; the left end of the output shaft of the second motor is fixedly connected to the screw; the left end of the screw is rotatably installed on the inner wall of the rotating block; the outer wall of the screw is provided with a fixed block; screw grooves are formed through the outer walls of the left and right ends of the fixed block; the screw grooves are threadedly connected to the outer wall of the screw; the lower end of the fixed block is fixedly connected to the brush plate; the lower end of the brush plate is in contact with the outer wall of the filter tube of the precision filter; the outer wall of the fixed block is in contact with the inner walls of the first limiting groove and the second limiting groove. When the filter tube of the filter is maintained and cleaned, the third solenoid valve is opened to allow the solution to be discharged from the inner wall of the treatment barrel through the liquid outlet pipe, and then water is injected into the fourth pipe. At the same time, the second motor is turned on to allow the output shaft of the second motor to drive the screw to rotate. The fixed block on the screw is restricted by the first limit groove and the second limit groove, and moves left and right at the upper end of the liquid storage shell, thereby driving the brush plate to move left and right on the outer wall of the filter tube of the precision filter, thereby maintaining and unblocking the precision filter, and then the second solenoid valve and the third solenoid valve are opened to discharge sewage and impurities from the liquid outlet pipe and the sewage outlet pipe respectively.

[0012] Beneficial effects of the utility model:

[0013] 1. By opening the third solenoid valve, the solution is discharged from the inner wall of the treatment barrel through the liquid outlet pipe, and then water is injected into the fourth pipe, and the second motor is turned on at the same time, so that the output shaft of the second motor drives the screw to rotate, and the fixed block on the screw is limited by the first limit groove and the second limit groove, and moves left and right at the upper end of the liquid storage shell, thereby driving the brush plate to move left and right at the upper end of the filter tube of the precision filter, so as to perform maintenance work on the filter tube on the precision filter, and then open the second solenoid valve and the third solenoid valve to discharge sewage and impurities from the liquid outlet pipe and the sewage outlet pipe respectively, which solves the problem that the filter tube is inconvenient to clean, resulting in poor filtering effect after long-term use;

[0014] 2. By turning on the first motor, the output shaft of the first motor drives the stirring column to rotate, and the auger piece on the outer wall of the stirring column stirs the three liquids in the liquid storage shell. The stirring of the auger piece can prevent the liquid from accumulating at the lower end of the inner wall of the liquid storage shell, and make the liquid flow on the inner wall of the liquid storage shell toward the Z-shaped partition, which can accelerate the stirring and mixing of the three different solutions;

[0015] 3. When the liquid flows out from the upper part of the inner wall at the left end of the processing barrel, the liquid is filtered through the filter tube on the precision filter, and finally flows into the lower end of the inner wall of the processing barrel from the filter port of the precision filter. The liquid discharge work of the liquid outlet pipe can be controlled by the third solenoid valve. The filtration solves the problem that the alkali raw materials may contain dust, granular dust, calcium ions and other impurities before entering the MVR alkali making system. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 What is shown is a flow chart of a raw material filtering device before feeding of a battery-grade soda ash process according to the utility model;

[0017] Figure 2 What is shown is a three-dimensional structural schematic diagram of a raw material filtering device before feeding into a battery-grade soda ash process according to the utility model;

[0018] Figure 3 What is shown is a three-dimensional structural schematic diagram of a concentrated alkali barrel assembly of a raw material filtering device before feeding into a battery-grade soda ash process according to the utility model;

[0019] Figure 4 What is shown is a three-dimensional structural schematic diagram of a raw material storage assembly of a raw material filtering device before feeding of a battery-grade soda ash process according to the utility model;

[0020] Figure 5 Shown is a three-dimensional structural schematic diagram of a liquid transmission component and a cleaning component of a raw material filtering device before feeding of a battery-grade soda ash process according to the utility model;

[0021] Figure 6The present invention shows a schematic diagram of the three-dimensional structure of a stirring component and a filtering component of a raw material filtering device before feeding into a battery-grade soda ash process;

[0022] Figure 7 What is shown is a three-dimensional structural schematic diagram of a precision filter of a raw material filtering device before feeding into a battery-grade soda ash process according to the utility model.

[0023] The markings in the accompanying drawings are: 1- concentrated alkali barrel assembly, 101- liquid storage shell, 102- discharge port, 103- sewage outlet, 104- water inlet, 105- first limiting groove, 106- placement groove, 107- first liquid injection port, 108- second liquid injection port, 109- Z-shaped partition, 110- through hole, 111- installation groove, 2- raw material storage assembly, 201- first pipeline, 202- first solenoid valve, 203- mother liquid tank, 204- concentrated alkali liquid tank, 205- condensed water bucket, 206- diaphragm pump, 3- stirring assembly, 301- first solenoid valve machine, 302-stirring column, 303-auger piece, 4-liquid transmission component, 401-supernatant pump, 402-second pipeline, 403-third pipeline, 5-filtration component, 501-treatment barrel, 502-drain pipe, 503-liquid outlet pipe, 504-second solenoid valve, 505-third solenoid valve, 506-precision filter, 507-second limiting groove, 508-fourth pipeline, 6-cleaning component, 601-second motor, 602-screw, 603-rotating block, 604-fixed block, 605-screw groove, 606-brush plate. DETAILED DESCRIPTION

[0024] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0025] See also Figure 1-2 The utility model provides an embodiment: a raw material filtering device for battery-grade soda ash process before feeding, including a concentrated alkali barrel assembly 1; also including a raw material storage assembly 2, a stirring assembly 3, a liquid transmission assembly 4, a filtering assembly 5 and a cleaning assembly 6; the concentrated alkali barrel assembly 1 is provided with a raw material storage assembly 2 for infusion; the concentrated alkali barrel assembly 1 is provided with a stirring assembly 3 for stirring the liquid; the concentrated alkali barrel assembly 1 is provided with a liquid transmission assembly 4 for making the liquid flow; the concentrated alkali barrel assembly 1 is provided with a filtering assembly 5 for filtering liquid impurities; the concentrated alkali barrel assembly 1 is provided with a cleaning assembly 6 for cleaning the filter plate of the filtering assembly 5.

[0026] See also Figure 3-6In this embodiment, the concentrated alkali barrel assembly 1 includes a liquid storage shell 101, a liquid discharge port 102, a sewage discharge port 103, a water inlet 104, a first limiting groove 105, a placement groove 106, a first liquid injection port 107, a second liquid injection port 108, a Z-shaped partition 109, a through hole 110 and a mounting groove 111; the right end of the liquid storage shell 101 is penetrated with a liquid discharge port 102 and a sewage discharge port 103; the upper end of the liquid storage shell 101 is penetrated with a A first limiting groove 105, a water inlet 104 and a first liquid injection port 107 are provided; a placement groove 106 is provided at the right end of the first limiting groove 105; a mounting groove 111 is provided through the left end of the liquid storage shell 101; two second liquid injection ports 108 are provided through the left end of the liquid storage shell 101; a Z-shaped partition 109 is fixedly connected to the inner wall of the liquid storage shell 101; through holes 110 are provided through the lower parts of the front and rear ends of the Z-shaped partition 109.

[0027] See also Figure 4 In this embodiment, the raw material storage component 2 includes a first pipeline 201, a first solenoid valve 202, a mother liquid tank 203, a concentrated alkali liquid tank 204, a condensed water barrel 205 and a diaphragm pump 206; the left end of the second liquid injection port 108 is fixedly connected with the first pipeline 201; the first solenoid valve 202 is arranged on the first pipeline 201; the first pipeline 201 located at the rear of the left end of the liquid storage shell 101 is fixedly connected with the mother liquid tank 203; the first pipeline 201 located at the front of the left end of the liquid storage shell 101 is fixedly connected with the concentrated alkali liquid tank 204; the condensed water barrel 205 and the diaphragm pump 206 are fixedly connected to the upper outer wall of the liquid storage shell 101; the water inlet end of the diaphragm pump 206 is fixedly connected to the left outer wall of the condensed water barrel 205; the water outlet end of the diaphragm pump 206 is connected with the first liquid injection port 107.

[0028] See also Figure 5In this embodiment, the liquid transmission component 4 includes a supernatant pump 401, a second pipe 402 and a third pipe 403; the upper end of the Z-shaped partition 109 is fixedly connected to the supernatant pump 401; the rear end outer wall of the Z-shaped partition 109 is through-fixedly connected to the third pipe 403; the other end of the third pipe 403 is through-fixedly connected to the input end of the supernatant pump 401, and the output end of the supernatant pump 401 is through-fixedly connected to the second pipe 402, the cleaning component 6 includes a second motor 601, a screw 602, a rotating block 603, a fixed block 604, a screw groove 605 and a brush plate 606; the upper end of the placement groove 106 is fixedly connected to the second motor Machine 601; a rotating block 603 is fixedly connected to the outer wall of the upper end of the liquid storage shell 101; a screw 602 is fixedly connected to the left end of the output shaft of the second motor 601; the left end of the screw 602 is rotatably mounted on the inner wall of the rotating block 603; a fixing block 604 is provided on the outer wall of the screw 602; screw grooves 605 are penetrated through the outer walls of the left and right ends of the fixing block 604; the screw grooves 605 are threadedly connected to the outer wall of the screw 602; a brush plate 606 is fixedly connected to the lower end of the fixing block 604; the lower end of the brush plate 606 is in contact with the outer wall of the filter tube of the precision filter 506; the outer wall of the fixing block 604 is in contact with the inner walls of the first limiting groove 105 and the second limiting groove 507.

[0029] See also Figure 6-7 In this embodiment, the stirring assembly 3 includes a first motor 301, a stirring column 302 and an auger piece 303; the left end of the liquid storage shell 101 is fixedly connected to the first motor 301; the right end of the output shaft of the first motor 301 passes through the mounting groove 111 and is fixedly connected to the stirring column 302; the outer wall of the stirring column 302 is fixedly connected to the auger piece 303; the right end of the stirring column 302 is rotatably arranged at the front lower part of the Z-shaped partition 109, and the filtering assembly 5 includes a processing barrel 501, a sewage outlet pipe 502, a liquid outlet pipe 503, a second solenoid valve 504, a third solenoid valve 505 and a precision filter 506; the inner wall of the liquid storage shell 101 is fixedly connected to the processing barrel 501; the water outlet port of the second pipeline 402 is fixedly connected to the processing barrel 501 in a through-type manner The upper left end of the treatment barrel 501; the right end of the treatment barrel 501 is penetrated and fixedly connected with a sewage pipe 502 and a liquid outlet pipe 503; the sewage pipe 502 is provided with a second solenoid valve 504; the liquid outlet pipe 503 is provided with a third solenoid valve 505; the inner wall of the treatment barrel 501 is fixedly connected with a precision filter 506; the lower end of the inner wall of the water inlet 104 is fixedly connected with a fourth pipe 508; the fourth pipe 508 is penetrated and fixedly connected to the upper end of the treatment barrel 501; the upper end of the treatment barrel 501 is penetrated and opened with a second limiting groove 507; the inner wall of the second limiting groove 507 is in the same plane with the inner wall of the first limiting groove 105; the outer wall of the liquid outlet pipe 503 is in contact with the inner wall of the liquid outlet 102; the outer wall of the sewage pipe 502 is in contact with the inner wall of the sewage outlet 103.

[0030] A Z-shaped partition 109 is provided inside the liquid storage shell 101; the left end area of ​​the Z-shaped partition 109 is used to merge the condensed water, the concentrated alkali solution and the mother liquid tank; the right end area of ​​the Z-shaped partition 109 is used to filter and discharge the solution, and the liquid in the mother liquid tank 203 and the concentrated alkali solution tank 204 can flow into the liquid storage shell 101 through the first pipe 201 by opening the first solenoid valve 202, and the liquid in the condensed water bucket 205 can flow into the liquid storage shell 101 by opening the diaphragm pump 206;

[0031] When the liquids in the mother liquid tank 203, the concentrated alkali liquid tank 204 and the condensed water bucket 205 flow into the liquid storage shell 101, the first motor 301 is turned on, so that the output shaft of the first motor 301 drives the stirring column 302 to rotate, and the outer wall auger piece 303 of the stirring column 302 stirs the three liquids in the liquid storage shell 101. The stirring of the auger piece 303 can prevent the liquid from accumulating at the lower end of the inner wall of the liquid storage shell 101, and make the liquid flow on the inner wall of the liquid storage shell 101 toward the Z-shaped partition 109;

[0032] When the solution needs to be filtered, the supernatant pump 401 is turned on; the mixed liquid flows from the third pipe 403 to the second pipe 402, and the second pipe 402 transports the liquid to the upper left end of the inner wall of the processing barrel 501. When the liquid flows out from the upper left end of the inner wall of the processing barrel 501, the liquid is filtered through the filter tube on the precision filter 506, and finally flows into the lower end of the inner wall of the processing barrel 501 from the filter port of the precision filter. The liquid discharge work of the liquid outlet pipe 503 can be controlled by the third solenoid valve 505;

[0033] When it is necessary to maintain and clear the filter tube of the precision filter 506, the third solenoid valve 505 is opened to allow the solution to be discharged from the inner wall of the treatment barrel 501 through the liquid outlet pipe 503, and then water is injected into the fourth pipe 508. At the same time, the second motor 601 is turned on so that the output shaft of the second motor 601 drives the screw 602 to rotate. The fixed block 604 on the screw 602 is restricted by the first limiting groove 105 and the second limiting groove 507, and moves left and right at the upper end of the liquid storage shell 101, thereby driving the brush plate 606 to move left and right on the outer wall of the filter tube of the precision filter 506, so as to maintain and clear the filter tube on the precision filter 506, and then the second solenoid valve 504 and the third solenoid valve 505 are opened to discharge sewage and impurities from the liquid outlet pipe 503 and the sewage outlet pipe 502 respectively.

[0034] Through the above steps, by opening the raw material storage component 2, the three liquid tanks of the raw material storage component 2 are injected and merged into the concentrated alkali barrel component 1, and then the stirring component 3 is opened to fully and evenly stir the liquid in the concentrated alkali barrel component 1, and the liquid in the concentrated alkali barrel component 1 is sucked into the filter component 5 through the liquid transmission component 4 for filtration and discharge. When the filter component 5 needs to be cleaned after the work is completed, the cleaning component 6 is opened and water is injected into the concentrated alkali barrel component 1, and finally the impurities are discharged from the filter component 5. Filtering the concentrated alkali through the filter component 5 solves the problem that more sediment impurities may appear in the alkali production process, and it is inconvenient to clean the filter tube, resulting in poor subsequent filtration effect after long-term use.

[0035] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of those skilled in the art without departing from the purpose of the present invention.

Claims

1. A raw material filtering device for battery-grade soda ash process before feeding, comprising a concentrated soda barrel assembly (1); characterized in that: The invention also comprises a raw material storage component (2), a stirring component (3), a liquid transmission component (4), a filtering component (5) and a cleaning component (6); the concentrated alkali barrel component (1) is provided with a raw material storage component (2) for infusion; the concentrated alkali barrel component (1) is provided with a stirring component (3) for stirring liquid; the concentrated alkali barrel component (1) is provided with a liquid transmission component (4) for making liquid flow; the concentrated alkali barrel component (1) is provided with a filtering component (5) for filtering liquid impurities; and the concentrated alkali barrel component (1) is provided with a cleaning component (6) for cleaning the filter plate of the filtering component (5).

2. A raw material filtering device for battery-grade soda ash process before feeding according to claim 1, characterized in that: The concentrated alkali barrel assembly (1) comprises a liquid storage shell (101), a liquid discharge port (102), a sewage discharge port (103), a water inlet (104), a first limiting groove (105), a placement groove (106), a first liquid injection port (107), a second liquid injection port (108), a Z-shaped partition (109), a through hole (110) and a mounting groove (111); the liquid storage shell (101) is provided with a liquid discharge port (102) and a sewage discharge port (103) at the right end; the liquid storage shell (101) is provided with a water inlet (104), a first limiting groove (105), a placement groove (106), a first liquid injection port (107), a second liquid injection port (108), a Z-shaped partition (109), a through hole (110) and a mounting groove (111); A first limiting groove (105), a water inlet (104) and a first liquid injection port (107) are provided; a placement groove (106) is provided at the right end of the first limiting groove (105); a mounting groove (111) is provided through the left end of the liquid storage shell (101); two second liquid injection ports (108) are provided through the left end of the liquid storage shell (101); a Z-shaped partition (109) is fixedly connected to the inner wall of the liquid storage shell (101); through holes (110) are provided through the lower parts of the front and rear ends of the Z-shaped partition (109).

3. A raw material filtering device for battery-grade soda ash process before feeding according to claim 2, characterized in that: The raw material storage assembly (2) comprises a first pipeline (201), a first electromagnetic valve (202), a mother liquid tank (203), a concentrated alkali liquid tank (204), a condensed water bucket (205) and a diaphragm pump (206); the left end of the second liquid injection port (108) is fixedly connected to the first pipeline (201); the first electromagnetic valve (202) is arranged on the first pipeline (201); the first pipeline (201) located at the rear of the left end of the liquid storage shell (101) is connected to the mother liquid tank (203), the concentrated alkali liquid tank (204), the condensed water bucket (205) and the diaphragm pump (206); the first pipeline (201) is fixedly connected to the left end of the second liquid injection port (108); the first pipeline (201) is fixedly connected to the mother liquid tank (203), the mother liquid tank (203), the concentrated alkali liquid tank (204), the condensed water bucket (205) and the diaphragm pump (206); the first pipeline (201) is fixedly connected to the left end of the second liquid injection port (108); the first pipeline (201) is fixedly connected to the mother liquid tank (203) The liquid storage shell (101) is fixedly connected to a mother liquid tank (203); a first pipeline (201) located at the front of the left end of the liquid storage shell (101) is fixedly connected to a concentrated alkali liquid tank (204); a condensation water bucket (205) and a diaphragm pump (206) are fixedly connected to the outer wall of the upper end of the liquid storage shell (101); the water inlet end of the diaphragm pump (206) is fixedly connected to the outer wall of the left end of the condensation water bucket (205); and the water outlet end of the diaphragm pump (206) is connected to the first liquid injection port (107).

4. The raw material filtering device for battery-grade soda ash process before feeding according to claim 2, characterized in that: The stirring assembly (3) comprises a first motor (301), a stirring column (302) and an auger piece (303); the left end of the liquid storage shell (101) is fixedly connected to the first motor (301); the right end of the output shaft of the first motor (301) passes through the mounting groove (111) and is fixedly connected to the stirring column (302); the outer wall of the stirring column (302) is fixedly connected to the auger piece (303); the right end of the stirring column (302) is rotatably arranged at the lower front end of the Z-shaped partition (109).

5. The raw material filtering device for battery-grade soda ash process before feeding according to claim 2, characterized in that: The liquid transmission component (4) comprises a supernatant pump (401), a second pipeline (402) and a third pipeline (403); the upper end of the Z-shaped partition (109) is fixedly connected to the supernatant pump (401); the rear end outer wall of the Z-shaped partition (109) is fixedly connected to the third pipeline (403); the other end of the third pipeline (403) is fixedly connected to the input end of the supernatant pump (401), and the output end of the supernatant pump (401) is fixedly connected to the second pipeline (402).

6. The raw material filtering device for battery-grade soda ash process before feeding according to claim 5, characterized in that: The filter assembly (5) comprises a treatment barrel (501), a sewage discharge pipe (502), a liquid discharge pipe (503), a second solenoid valve (504), a third solenoid valve (505) and a precision filter (506); the treatment barrel (501) is fixedly connected to the inner wall of the liquid storage shell (101); the water outlet port of the second pipeline (402) is fixedly connected to the upper left end of the treatment barrel (501); the sewage discharge pipe (502) and the liquid discharge pipe (503) are fixedly connected to the right end of the treatment barrel (501); the sewage discharge pipe (502) is provided with a second solenoid valve (504); the liquid discharge pipe (503) is provided with a third solenoid valve (505). A magnetic valve (505); a precision filter (506) is fixedly connected to the inner wall of the treatment barrel (501); a fourth pipe (508) is fixedly connected to the lower end of the inner wall of the water inlet (104); the fourth pipe (508) is fixedly connected to the upper end of the treatment barrel (501) in a through-type manner; a second limiting groove (507) is provided through the upper end of the treatment barrel (501); the inner wall of the second limiting groove (507) and the inner wall of the first limiting groove (105) are in the same plane; the outer wall of the liquid outlet pipe (503) is in contact with the inner wall of the liquid outlet (102); and the outer wall of the sewage outlet pipe (502) is in contact with the inner wall of the sewage outlet (103).

7. The raw material filtering device for battery-grade soda ash process before feeding according to claim 6, characterized in that: The cleaning assembly (6) comprises a second motor (601), a screw (602), a rotating block (603), a fixed block (604), a screw groove (605) and a brush plate (606); the second motor (601) is fixedly connected to the upper end of the placement groove (106); the rotating block (603) is fixedly connected to the upper outer wall of the liquid storage shell (101); the screw (602) is fixedly connected to the left end of the output shaft of the second motor (601); the left end of the screw (602) is rotatably mounted on the inner wall of the rotating block (603); A fixing block (604) is provided on the outer wall of the screw rod (602); screw grooves (605) are provided through the outer walls at both ends of the fixing block (604); the screw grooves (605) are threadedly connected to the outer wall of the screw rod (602); a brush plate (606) is fixedly connected to the lower end of the fixing block (604); the lower end of the brush plate (606) is fitted with the upper end of the precision filter (506); and the outer wall of the fixing block (604) is fitted with the inner walls of the first limiting groove (105) and the second limiting groove (507).

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