Wastewater filtering device for lithium carbonate production

Abstract

The utility model discloses a waste water filtering device for lithium carbonate production, which comprises a box body, a first partition plate and two second partition plates are fixedly connected in the box body, a plurality of connecting pipes are fixedly communicated between the opposite sides of the two second partition plates, and a V-shaped filtering plate and a U-shaped plate are fixedly connected between the two sides of the inner wall of the box body. According to the lithium carbonate wastewater discharging device, the box body, the first partition plate, the second partition plate, the connecting pipe, the V-shaped filter plate, the discharging pipe, the electromagnetic valve, the feeding pipe and other structures are matched for use, so that when heated lithium carbonate wastewater is discharged, the lithium carbonate wastewater is located in the box body all the time, the lithium carbonate wastewater is prevented from splashing everywhere to accidentally injure workers during discharging, and the working efficiency is improved. And meanwhile, under the action of a driving motor, the movable V-shaped scraping plate can automatically clean impurities on the V-shaped filtering plate in time, so that the time of cleaning the impurities on the V-shaped filtering plate by workers is saved, and the workers are prevented from being scalded by high-temperature gas.

Description

Technical Field

[0001] The utility model relates to the technical field of lithium carbonate, in particular to a wastewater filtering device for lithium carbonate production. Background Art

[0002] Lithium carbonate, an inorganic compound, is a colorless monoclinic crystal or white powder with a density of 2.11 g / cm 3 It is soluble in dilute acid, slightly soluble in water, more soluble in cold water than in hot water, insoluble in alcohol and acetone, and can be used to make ceramics, drugs and catalysts, etc. It is a commonly used raw material for lithium-ion batteries.

[0003] For example, the Chinese utility model patent with application number: 202122228003.9 discloses a wastewater filtration device for lithium carbonate production, including a waste liquid recovery box, a sliding guide rail, an impurity filter plate, a support seat, a wastewater heating box, a feed port, a battery, a heating box, an electric heating wire, a control valve, a water pump, a heat recovery heating bag, a connecting pipe, a drain valve and a dilute acid cleaning box, wherein the sliding guide rail is arranged on the waste liquid recovery box, the impurity filter plate is slidably arranged on the sliding guide rail, the support seat is arranged on the waste liquid recovery box, and the wastewater heating box is arranged on the support seat. This utility model belongs to the field of lithium carbonate technology, specifically a wastewater filtration device for lithium carbonate production, which effectively solves the problem that the wastewater filtration efficiency of lithium carbonate production in the current market is low, it is easy to cause pollution during discharge, and it is directly discharged after heating and filtration, resulting in waste of heat energy and increased processing costs, and achieves the characteristics of high filtration efficiency, effective recovery of heat energy for reuse, reduced processing costs, and convenient cleaning.

[0004] When the above patent is in use, although it is possible to filter the crystallized residue formed by heating in the wastewater heating box through the filter, so that the crystallized residue is intercepted on the filter, the heated lithium carbonate waste liquid will pass through the filter when it is discharged, which may easily cause the crystallized residue in the heated lithium carbonate waste liquid to splash around after contacting the filter, which may easily cause accidental injuries to the surrounding staff. At the same time, since the bottom of the filter is for temporarily storing the filtered wastewater and it is heated to a high temperature, when the staff cleans the crystallized residue on the filter, it is not only time-consuming and laborious, but also easy to be scalded by the high-temperature gas, which is not conducive to the safe use of the device. Utility Model Content

[0005] The utility model aims to solve the shortcomings in the prior art and proposes a wastewater filtering device for lithium carbonate production.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a wastewater filtering device for lithium carbonate production, comprising a box body, a first partition and two second partitions are fixedly connected inside the box body, the first partition is located below the two second partitions, and a plurality of connecting pipes are fixedly connected between the opposite sides of the two second partitions, and the plurality of connecting pipes are arranged in a rectangular array, a V-shaped filter plate and a U-shaped plate are fixedly connected between the two sides of the inner wall of the box body, the U-shaped plate is located directly below the V-shaped filter plate, a V-shaped scraper is movably arranged on the V-shaped filter plate, a threaded rod is rotatably connected between the front and back sides of the inner wall of the box body, and the threaded rod threadably penetrates the V-shaped scraper, a guide rod is fixedly connected between the front and back sides of the inner wall of the box body, and the guide rod movably penetrates the V-shaped scraper, a cleaning assembly is arranged on the box body, and two material discharge troughs are opened at the bottom of the box body.

[0007] As a further description of the above technical solution:

[0008] A device cavity is provided inside the first partition plate, and a heating plate is provided inside the device cavity.

[0009] As a further description of the above technical solution:

[0010] The cleaning assembly includes a slot opened on one side of the box body, a connecting slot is opened inside the slot, a T-shaped plate is arranged inside the connecting slot, a circle of sealing ring is embedded in the T-shaped plate, two fixing blocks are fixedly connected to one side of the box body, two connecting blocks are fixedly connected to one side of the T-shaped plate, and a pin is arranged between the fixing block and the connecting block.

[0011] As a further description of the above technical solution:

[0012] A movable plate is movably provided on the top of the first partition, a connecting rod is fixedly connected to one side of the movable plate, the other end of the connecting rod movably passes through the T-shaped plate, and the bottom of the T-shaped plate abuts against the top of the first partition.

[0013] As a further description of the above technical solution:

[0014] A driving motor is arranged on the front side of the box body, and an output end of the driving motor is fixedly connected to one end of the threaded rod.

[0015] As a further description of the above technical solution:

[0016] The bottom of the first partition is fixedly connected with a feed pipe, and a solenoid valve is arranged inside the feed pipe.

[0017] As a further description of the above technical solution:

[0018] The top of the box is fixedly connected with a feeding pipe, one side of the box is fixedly connected with a drainage pipe and a water pipe, the drainage pipe is located below the water pipe, and one end of the water pipe fixedly connected to the box is located between two second partitions.

[0019] The utility model has the following beneficial effects:

[0020] 1. Compared with the prior art, the wastewater filtering device for lithium carbonate production, through the coordinated use of structures such as the box body, the first partition plate, the second partition plate, the connecting pipe, the V-shaped filter plate, the feeding pipe, the solenoid valve and the feeding pipe, keeps the lithium carbonate wastewater inside the box body when the heated lithium carbonate wastewater is discharged, thereby avoiding the lithium carbonate wastewater splashing around and accidentally injuring the staff during the discharge. At the same time, under the action of the driving motor, the moving V-shaped scraper can automatically clean the impurities on the V-shaped filter plate in time, saving the time for the staff to clean the impurities on the V-shaped filter plate and avoiding the staff from being scalded by high-temperature gas.

[0021] 2. Compared with the prior art, the wastewater filtering device for lithium carbonate production injects heated hot water into the space between the two second partitions through a water pipe, so as to preheat the wastewater between the first partition and one of the second partitions, inside several connecting pipes and above one of the second partitions, and at the same time, the wastewater inside the box is heated again when the heating plate is started, thereby saving the time for impurities in the lithium carbonate wastewater to solidify into crystals, and enabling the hot water between the two second partitions to maintain a relatively high temperature, thereby improving the utilization rate of energy and the filtering efficiency of the wastewater. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a three-dimensional schematic diagram of the overall structure of a wastewater filtering device for lithium carbonate production proposed by the utility model;

[0023] Figure 2 This is a schematic diagram of the structure of a solenoid valve and a moving plate of a wastewater filtering device for lithium carbonate production proposed by the utility model;

[0024] Figure 3 for Figure 2 Enlarged view of point A in the middle;

[0025] Figure 4 This is a schematic diagram of the structure of the connecting pipe and heating plate of a wastewater filtering device for lithium carbonate production proposed by the utility model;

[0026] Figure 5 This is a schematic diagram of the structure of a feed chute and a U-shaped plate of a wastewater filtering device for lithium carbonate production proposed by the utility model.

[0027] Legend:

[0028] 1. Box body; 2. First partition; 3. Second partition; 4. Connecting pipe; 5. V-shaped filter plate; 6. U-shaped plate; 7. V-shaped scraper; 8. Threaded rod; 9. Guide rod; 10. Feed chute; 11. Device cavity; 12. Heating plate; 13. Slot; 14. Connecting groove; 15. T-shaped plate; 16. Sealing ring; 17. Fixed block; 18. Connecting block; 19. Latch; 20. Moving plate; 21. Connecting rod; 22. Driving motor; 23. Feeding pipe; 24. Solenoid valve; 25. Feeding pipe; 26. Drain pipe; 27. Water pipe. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] Reference Figure 1-5 The utility model provides a wastewater filtering device for lithium carbonate production: comprising a box body 1, a first partition plate 2 and two second partition plates 3 are fixedly connected inside the box body 1, a device cavity 11 is opened inside the first partition plate 2, a heating plate 12 is arranged inside the device cavity 11, a movable plate 20 is movably arranged on the top of the first partition plate 2, a connecting rod 21 is fixedly connected to one side of the movable plate 20, and the other end of the connecting rod 21 movably passes through a T-shaped plate 15, a feed pipe 23 is fixedly connected to the bottom of the first partition plate 2, a solenoid valve 24 is arranged inside the feed pipe 23, a plurality of connecting pipes 4 are fixedly connected between the opposite sides of the two second partition plates 3, and a plurality of connecting pipes 4 are connected through the plurality of connecting pipes 24. The arrangement of the tube 4 connects the top of one of the second partitions 3 with the bottom of the other second partition 3, a V-shaped filter plate 5 and a U-shaped plate 6 are fixedly connected between the two sides of the inner wall of the box body 1, the U-shaped plate 6 is located directly below the V-shaped filter plate 5, a V-shaped scraper 7 is movably arranged on the V-shaped filter plate 5, the V-shaped scraper 7 is adapted to the V-shaped filter plate 5, a threaded rod 8 is rotatably connected between the front and back sides of the inner wall of the box body 1, the threaded rod 8 threadably penetrates the V-shaped scraper 7, a guide rod 9 is fixedly connected between the front and back sides of the inner wall of the box body 1, the guide rod 9 movably penetrates the V-shaped scraper 7, a cleaning assembly is arranged on the box body 1, and two discharge troughs 10 are opened at the bottom of the box body 1.

[0031] The cleaning component includes a slot 13 opened on one side of the box body 1, a connecting slot 14 is opened inside the slot 13, a T-shaped plate 15 is arranged inside the connecting slot 14, the T-shaped plate 15 is respectively adapted to the connecting slot 14 and the slot 13, a circle of sealing ring 16 is embedded on the T-shaped plate 15, one side of the box body 1 is fixedly connected to two fixing blocks 17, one side of the T-shaped plate 15 is fixedly connected to two connecting blocks 18, through the setting of the two connecting blocks 18, the two fixing blocks 17 and the two latches 19 can be cooperated to limit the T-shaped plate 15, and the T-shaped plate 15 can be driven to move by manually pulling the two connecting blocks 18, and a latch 19 is arranged between the fixing block 17 and the connecting block 18.

[0032] A driving motor 22 is arranged on the front of the box body 1, and the output end of the driving motor 22 is fixedly connected to one end of the threaded rod 8. A feeding pipe 25 is fixedly connected to the top of the box body 1, and a drainage pipe 26 and a water pipe 27 are fixedly connected to one side of the box body 1. Through the setting of the water pipe 27, the heated hot water can be transported to between the two second partitions 3.

[0033] Working principle: during operation, first place two impurity collecting frames directly below the two feed troughs 10, then add lithium carbonate wastewater into the box body 1 through the feeding pipe 25, and make the wastewater between the first partition plate 2 and one of the second partition plates 3 located below, inside several connecting pipes 4 and above one of the second partition plates 3, and at the same time inject heated hot water between the two second partition plates 3 through the water pipe 27 to preheat the wastewater between the first partition plate 2 and one of the second partition plates 3, inside several connecting pipes 4 and above one of the second partition plates 3, and then start the heating plate 12 to heat the wastewater inside the box body 1 again, and keep the hot water between the two second partition plates 3 at a high temperature, so that the impurities in the lithium carbonate wastewater solidify into crystals, and then open the solenoid valve 24 to make the heated wastewater pass through the feed pipe 23 and the V-shaped filter plate 5, and flow down to the inside of the U-shaped plate 6, and the V-shaped filter plate 5 filters the solidified crystals in the wastewater, so that the water flowing into the inside of the U-shaped plate 6 can be directly discharged from the drain pipe 26;

[0034] However, when the electromagnetic valve 24 is opened to discharge the wastewater, the driving motor 22 is turned on at the same time to drive the threaded rod 8 to rotate, and under the limiting effect of the guide rod 9, the V-shaped scraper 7 is moved along the axial direction of the threaded rod 8 to scrape off the crystal impurities intercepted by the V-shaped filter plate 5, so as to avoid the crystal impurities from accumulating on the V-shaped filter plate 5 and affecting the use of the V-shaped filter plate 5, so that the scraped crystal impurities fall from one of the discharge troughs 10 to the frame placed in advance;

[0035] When the device is used, some crystalline impurities in the wastewater do not fall with the water flow but remain on the first partition 2, the two pins 19 are pulled out from the two fixed blocks 17 and the two connecting blocks 18 respectively, and the T-shaped plate 15 is manually moved through the two connecting blocks 18 to remove the T-shaped plate 15 from the connecting groove 14, and then the connecting rod 21 is manually grasped and pulled to move, so that the movable plate 20 moves on the first partition 2 to scrape off the crystalline impurities remaining on the first partition 2.

[0036] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A wastewater filtration device for lithium carbonate production, comprising a housing (1), characterized in that: A first partition plate (2) and two second partition plates (3) are fixedly connected inside the box body (1); a plurality of connecting pipes (4) are fixedly connected between opposite sides of the two second partition plates (3); a V-shaped filter plate (5) and a U-shaped plate (6) are fixedly connected between the two sides of the inner wall of the box body (1); the U-shaped plate (6) is located directly below the V-shaped filter plate (5); a V-shaped scraper (7) is movably provided on the V-shaped filter plate (5); a threaded rod (8) is rotatably connected between the front and back sides of the inner wall of the box body (1); the threaded rod (8) is threadedly passed through the V-shaped scraper (7); a guide rod (9) is fixedly connected between the front and back sides of the inner wall of the box body (1); the guide rod (9) movably passes through the V-shaped scraper (7); a cleaning assembly is provided on the box body (1); and two material discharge troughs (10) are provided at the bottom of the box body (1).

2. A wastewater filtration device for lithium carbonate production according to claim 1, characterized in that: A device cavity (11) is provided inside the first partition plate (2), and a heating plate (12) is provided inside the device cavity (11).

3. A wastewater filtration device for lithium carbonate production according to claim 1, characterized in that: The cleaning assembly comprises a slot (13) formed on one side of a box body (1), a connecting slot (14) formed inside the slot (13), a T-shaped plate (15) formed inside the connecting slot (14), a sealing ring (16) embedded on the T-shaped plate (15), two fixing blocks (17) fixedly connected to one side of the box body (1), two connecting blocks (18) fixedly connected to one side of the T-shaped plate (15), and a latch (19) provided between the fixing block (17) and the connecting block (18).

4. A wastewater filtration device for lithium carbonate production according to claim 3, characterized in that: A movable plate (20) is movably provided on the top of the first partition plate (2), one side of the movable plate (20) is fixedly connected to a connecting rod (21), and the other end of the connecting rod (21) movably passes through the T-shaped plate (15).

5. A wastewater filtration device for lithium carbonate production according to claim 1, characterized in that: A driving motor (22) is arranged on the front side of the box body (1), and an output end of the driving motor (22) is fixedly connected to one end of the threaded rod (8).

6. A wastewater filtration device for lithium carbonate production according to claim 1, characterized in that: The bottom of the first partition plate (2) is fixedly connected to a feed pipe (23), and a solenoid valve (24) is arranged inside the feed pipe (23).

7. A wastewater filtration device for lithium carbonate production according to claim 1, characterized in that: The top of the box body (1) is fixedly connected to a feeding pipe (25), and one side of the box body (1) is fixedly connected to a drainage pipe (26) and a water delivery pipe (27).

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