Filtering device for lithium carbonate production

Abstract

The utility model provides a filtering device for lithium carbonate production. The filtering device for lithium carbonate production comprises: a tank body having an accommodating cavity and a liquid inlet communicated with the accommodating cavity; the filtering assembly is installed in the containing cavity, the filtering assembly comprises a filtering pipe, the filtering pipe is constructed to be capable of intercepting impurity particles with the preset particle size outside the filtering pipe, and the filtering pipe is provided with a clear liquid outlet; one end of the clear liquid conveying structure is communicated with the clear liquid outlet; and the turbidity detection device is used for detecting the turbidity of the clear liquid in the clear liquid conveying structure. According to the technical scheme, the filtering device for lithium carbonate production can solve the problems that when a precise filter in the prior art is adopted for filtering, a worker cannot know the operation condition of a membrane tube (whether filtering holes in the membrane tube are blocked or not, whether the membrane tube is damaged or not and the like), so that the operation condition cannot be timely treated, and the working efficiency is reduced. The filtering effect and the filtering efficiency are seriously influenced.

Description

TECHNICAL FIELD

[0001] The utility model relates to lithium carbonate production technical field, specifically, relate to a kind of filter device for lithium carbonate production. BACKGROUND

[0002] Lithium resource content in our country is in the world first, but more than 80% is stored in brine resources of salt lake in our country, 1 / 3 of total reserves of world salt lake lithium, brine of salt lake has high magnesium-lithium ratio characteristic, and it brings great difficulty to the extraction of lithium.At present, it is usually used to carry out salt lake lithium extraction by precipitation method, evaporation crystallization method, calcination salt separation method, ion exchange adsorption method and solvent extraction method etc..Among them, ion exchange adsorption method refers to using lithium adsorbent to selectively adsorb lithium in high magnesium and low lithium brine (magnesium-lithium ratio is 500:1 or higher), to complete preliminary magnesium-lithium separation, then to carry out lithium washing, desorption process, finally to separate and extract lithium salt from brine, to obtain the required lithium salt product.At present, lithium adsorbent with excellent performance has been synthesized, the adsorbent can selectively exclude the interference of a large number of coexisting alkali metal and alkaline earth metal ions in brine, and adsorb lithium ions in brine, and the adsorption / lithium washing / desorption performance of the adsorbent is stable, suitable for large-scale operation and production, the preparation method is simple, the price is cheap, and it has no pollution to environment, and the performance index can meet the target requirements.But for the needs of production, in order to reach the target, potassium fertilizer tail liquid is used to carry out spreading and drying concentration in salt field, some metal ions which react with sodium carbonate, mainly calcium and magnesium ions, are removed after concentration, and then production is carried out.Specifically, sodium hydroxide solution is added in reaction kettle, to generate precipitate after reaction under heating condition, and then the precipitate is removed by precision filter, to achieve the purpose of removing calcium and magnesium ions, because the solid powder of reactant sodium carbonate contains a certain amount of large particle substances such as soil, therefore, high temperature pure water is added in production process to prepare solution with certain concentration, and then the solution is filtered and refined by precision filter, and the refined sodium carbonate solution reacts with lithium chloride solution in reaction kettle to generate lithium carbonate.

[0003] As an important filtering equipment in lithium carbonate production process, the main component part of precision filter is membrane tube, a plurality of filter holes are arranged on the membrane tube, sodium carbonate is punched into the filter by centrifugal pump, large particle impurities in sodium carbonate solution cannot pass through the filter holes on the membrane tube, and are intercepted outside the membrane tube, and then refined sodium carbonate solution is obtained, to be used for lithium carbonate production.However, in actual production process, a large amount of particle impurities and precipitate are intercepted outside the membrane tube after long time operation of precision filter, these impurity particles can move to the periphery of membrane tube with sodium carbonate solution, these impurity particles can block the filter holes on the membrane tube, wear the membrane tube to cause damage of the membrane tube, etc., because the membrane tube is installed inside the filter, workers cannot know the running condition of the membrane tube (whether the filter holes on the membrane tube are blocked, whether the membrane tube is damaged, etc.), to cause that it cannot be treated in time, and seriously affect filtering effect and filtering efficiency. Utility model content

[0004] The main purpose of the utility model lies in providing a filter device for lithium carbonate production, which can solve the problem that when filtering is performed by using the prior art precision filter, the operation personnel cannot know the operation condition of the membrane tube (whether the filter hole on the membrane tube is blocked, whether the membrane tube is damaged, etc.), which leads to the inability to perform processing in time and seriously affects the filtering effect and filtering efficiency.

[0005] In order to achieve the above-mentioned purpose, according to one aspect of the utility model, a filter device for lithium carbonate production is provided, which comprises: a tank body having a containing cavity and a liquid inlet communicating with the containing cavity; a filter assembly installed in the containing cavity, the filter assembly comprising a filter pipe, the filter pipe being configured to intercept impurity particles of a preset particle size outside the filter pipe, the filter pipe having a clear liquid outlet; a clear liquid conveying structure, one end of the clear liquid conveying structure communicating with the clear liquid outlet; and a turbidity detection device for detecting the turbidity of the clear liquid in the clear liquid conveying structure.

[0006] Further, the filter pipe has an inner cavity, the clear liquid outlet communicates with the inner cavity, and a plurality of filter holes communicating with the inner cavity are arranged on the filter pipe.

[0007] Further, the pore size of the filter hole ranges from 2 to 5 microns.

[0008] Further, the filter pipe and the turbidity detection device are both multiple, the clear liquid conveying structure comprises multiple clear liquid conveying sub-pipes, the multiple clear liquid conveying sub-pipes are arranged in one-to-one correspondence with the multiple filter pipes, one end of each clear liquid conveying sub-pipe communicates with the clear liquid outlet of the filter pipe arranged correspondingly, and the turbidity detection device is arranged on at least part of the clear liquid conveying sub-pipes.

[0009] Further, the filter pipe is multiple, the clear liquid conveying structure comprises multiple clear liquid conveying sub-pipes and one clear liquid conveying main pipe, the multiple clear liquid conveying sub-pipes are arranged in one-to-one correspondence with the multiple filter pipes, one end of each clear liquid conveying sub-pipe communicates with the clear liquid outlet of the filter pipe arranged correspondingly, the other end of each clear liquid conveying sub-pipe communicates with the clear liquid conveying main pipe, and the turbidity detection device is installed on the clear liquid conveying main pipe.

[0010] Further, the filter assembly further comprises a mounting structure installed in the containing cavity, and the filter pipe is connected with the mounting structure.

[0011] Further, the liquid inlet is arranged at the bottom of the tank body, and the filter device for lithium carbonate production further comprises a liquid inlet pipeline communicating with the liquid inlet.

[0012] Further, the filter device for lithium carbonate production further comprises a conveying pump installed on the liquid inlet pipeline.

[0013] Further, the turbidity detection device comprises a turbidimeter and a display, and the turbidimeter is in communication connection with the display.

[0014] Further, the lithium carbonate production filter device further comprises a waste pipe and a first control valve, the bottom of the tank body is provided with a discharge port in communication with the containing cavity, one end of the waste pipe is in communication with the discharge port, and the first control valve is installed on the waste pipe.

[0015] The technical scheme of the utility model, setting up tank body, filter assembly, clear liquid conveying structure and turbidity detection device, can detect the turbidity of the clear liquid in the clear liquid conveying structure through the turbidity detection device, if the measured value is less than the predetermined threshold value, it indicates that the filter pipe is in normal working state, if the measured value is greater than the predetermined threshold value, it indicates that the filter pipe may be blocked, damaged, or the filter pipe interface is loose, etc., at this time, the staff can take measures in time, such as switching to the standby lithium carbonate production filter device, and then stopping the filter device for inspection and maintenance. Through the above setting, the staff can know the running condition of the filter pipe (whether the filter hole on the filter pipe is blocked, whether the filter pipe is damaged, whether the filter pipe interface is loose, etc.), which can be processed in time, thereby ensuring the filtering effect and filtering efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0016] The drawings accompanying the specification of the utility model form a part of the utility model and serve to provide further understanding of the utility model, and the illustrative embodiments of the utility model and their descriptions serve to explain the utility model, and do not constitute an improper limitation on the utility model. In the drawings:

[0017] Figure 1 The structure schematic view of the lithium carbonate production filter device of one embodiment of the utility model (the filter hole on the filter pipe is not shown in the drawing) is shown.

[0018] Among them, the above drawing includes the following sign:

[0019] 10, tank body;11, containing cavity;20, filter assembly;21, filter pipe;22, mounting structure;23, annular connecting convex part;30, clear liquid conveying structure;31, clear liquid conveying branch pipe;32, clear liquid conveying main pipe;40, turbidity detection device;41, turbidimeter;42, display;50, liquid inlet pipeline;60, conveying pump;70, waste pipe;80, first control valve;90, second control valve;100, third control valve;200, fourth control valve. DETAILED DESCRIPTION

[0020] It should be noted that the embodiments in the utility model and the features in the embodiments can be combined with each other without conflict. The utility model will be described in detail below with reference to the drawings and in combination with the embodiments.

[0021] In the prior art, after the precision filter runs for a period of time, a large amount of particulate impurities and precipitates are intercepted on the surface of the membrane tube. In order to ensure the filtering efficiency, fresh water is added to flush the impurities on the surface of the membrane tube, and compressed air is used to blow the impurities on the surface of the membrane tube. However, frequent cleaning can easily cause the membrane tube to fall off, and it is not easy to find the falling off in time, which leads to poor filtering effect or even failure to achieve filtering, resulting in a decrease in product quality.

[0022] To solve the above problems, as shown in Figure 1 The utility model provides a filter device for lithium carbonate production, the filter device for lithium carbonate production includes: the jar body 10 has the containing cavity 11 and with containing cavity 11 communication liquid inlet, filter assembly 20, filter assembly 20 is installed in containing cavity 11, filter assembly 20 includes filter tube 21, filter tube 21 is structured as can intercept the impurity particle of preset particle size outside filter tube 21, filter tube 21 has clear liquid outlet, clear liquid conveying structure 30, one end of clear liquid conveying structure 30 with clear liquid outlet communication, and turbidity detection device 40, turbidity detection device 40 is used to detect the turbidity of clear liquid in clear liquid conveying structure 30.

[0023] In the embodiment, the lithium carbonate solution to be filtered enters the containing cavity 11 through the liquid inlet, and the large particulate impurities in the sodium carbonate solution cannot enter the filter tube 21, so that the particulate impurities in the lithium carbonate solution can be effectively removed, the filtration of the sodium carbonate solution is realized, and the filtered sodium carbonate solution is clear liquid. The clear liquid is located in the filter tube 21 and can enter the clear liquid conveying structure 30 through the clear liquid outlet. The turbidity of the clear liquid in the clear liquid conveying structure 30 can be detected by the turbidity detection device 40. If the measured value is less than the predetermined threshold value, it indicates that the filter tube 21 is in normal working condition. If the measured value is greater than the predetermined threshold value, it indicates that the filter tube 21 may be blocked, damaged, or the filter tube 21 interface is loose, etc. At this time, the worker can take measures in time, such as switching to the standby filter device for lithium carbonate production, and then stopping the operation of the filter device for inspection and maintenance. Through the above setting, the worker can know the running condition of the filter tube 21 (whether the filter hole on the filter tube is blocked, whether the filter tube is damaged, whether the filter tube 21 interface is loose, etc.), which can be processed in time, and thus the filtering effect and filtering efficiency are ensured.

[0024] In one embodiment, the inner wall of the jar body 10 is provided with a protective layer made of rubber material, which is corrosion resistant and can withstand a maximum temperature of 80℃.

[0025] In one embodiment, the filter tube 21 is made of nylon and can withstand a maximum temperature of 110℃.

[0026] As shown in Figure 1As shown, in one embodiment of the present invention, the filter tube 21 has an inner cavity, the clear liquid outlet is connected to the inner cavity, and the filter tube 21 is provided with a plurality of filter holes that are connected to the inner cavity.

[0027] In this embodiment, impurities in the sodium carbonate solution cannot pass through the filter holes, and the sodium carbonate solution (i.e., clear liquid) filtered through the filter holes can enter the inner cavity of the filter tube 21.

[0028] In one embodiment, the filter pore is a through pore.

[0029] In one embodiment of this utility model, the pore size of the filter is in the range of 2μm to 5μm.

[0030] The above settings ensure effective filtration of the sodium carbonate solution, thereby guaranteeing product quality.

[0031] In one embodiment of this utility model, there are multiple filter tubes 21 and multiple turbidity detection devices 40. The clear liquid conveying structure 30 includes multiple clear liquid conveying branch pipes 31, which are arranged one-to-one with multiple filter tubes 21. One end of each clear liquid conveying branch pipe 31 is connected to the clear liquid outlet of the corresponding filter tube 21. At least some of the clear liquid conveying branch pipes 31 are equipped with turbidity detection devices 40.

[0032] In this embodiment, the turbidity detection device 40 can detect the turbidity of the clear liquid in the corresponding clear liquid delivery pipe 31. The measured value can be used to determine the working status of the corresponding filter tube 21, so that the problematic filter tube 21 can be replaced or repaired in time, thereby ensuring filtration efficiency.

[0033] like Figure 1 As shown, in one embodiment of the present invention, there are multiple filter tubes 21, and the clear liquid conveying structure 30 includes multiple clear liquid conveying branch pipes 31 and a clear liquid conveying main pipe 32. The multiple clear liquid conveying branch pipes 31 are arranged one-to-one with the multiple filter tubes 21. One end of each clear liquid conveying branch pipe 31 is connected to the clear liquid outlet of the corresponding filter tube 21, and the other end of each clear liquid conveying branch pipe 31 is connected to the clear liquid conveying main pipe 32. The turbidity detection device 40 is installed on the clear liquid conveying main pipe 32.

[0034] In the embodiment, the filtrate in all filtrate conveying branch pipes 31 converges into the filtrate conveying main pipe 32, and then is conveyed to the preset position through the filtrate conveying main pipe 32; the turbidity detection device 40 can detect the turbidity of the filtrate converging into the filtrate conveying main pipe 32; if the detected value is less than the preset threshold value, it indicates that the working state of all filter pipes 21 is normal; if the detected value is greater than the preset threshold value, it indicates that part of the filter pipes 21 may be blocked or damaged; at this time, the staff can go to the place where the tank 10 is located to check all the filter pipes 21, replace the damaged filter pipes 21 in time or clean the blocked filter pipes 21 in time, thereby ensuring the filtering effect and filtering efficiency.

[0035] As shown in Figure 1 the embodiment of the utility model, the filter assembly 20 further includes a mounting structure 22, the mounting structure 22 is installed in the containing cavity 11, and the filter pipe 21 is connected with the mounting structure 22.

[0036] Through the above setting, the filter pipe 21 can be installed in the containing cavity 11 of the tank 10.

[0037] In an embodiment, the mounting structure 22 is a disc, a plurality of mounting holes are arranged on the disc, the plurality of mounting holes and the plurality of filter pipes 21 are arranged one by one in a corresponding manner, the first end of each filter pipe 21 is fixedly provided with an annular connecting protrusion 23, the second end of the filter pipe 21 passes through the mounting hole, the annular connecting protrusion 23 is lapped on the top surface of the disc, a plurality of first connecting holes are arranged on the annular connecting protrusion 23, and the lithium carbonate production filter device further includes a plurality of bolts, the bolts are sequentially arranged in the first connecting holes and the disc to fixedly connect the annular connecting protrusion 23 with the disc, thereby installing the filter pipe 21 on the disc.

[0038] As shown in Figure 1 the embodiment of the utility model, the liquid inlet is arranged at the bottom of the tank 10, and the lithium carbonate production filter device further includes a liquid inlet pipeline 50, which is communicated with the liquid inlet.

[0039] In the embodiment, the sodium carbonate solution enters the containing cavity 11 through the liquid inlet pipeline 50.

[0040] As shown in Figure 1 the embodiment of the utility model, the lithium carbonate production filter device further includes a conveying pump 60, which is installed on the liquid inlet pipeline 50.

[0041] In the embodiment, the conveying pump 60 can not only convey the sodium carbonate solution into the containing cavity 11, but also provide pressure for the sodium carbonate solution, so as to ensure the flow rate of the sodium carbonate solution and the filtering efficiency.

[0042] In an embodiment, the conveying pump 60 adopts a centrifugal pump. In an embodiment, the conveying pump 60 adopts a centrifugal pump.

[0043] As Figure 1 shown, in one embodiment of the present application, the turbidity detection device 40 includes a turbidimeter 41 and a display 42, and the turbidimeter 41 is in communication with the display 42.

[0044] In the present embodiment, the turbidimeter 41 can detect the turbidity of the clear liquid in real time, and the communication connection with the display 42 ensures that these data can be immediately displayed to the operator, and the real-time visualization of the data helps to immediately find problems, and the above-mentioned setting enables the operator to monitor the filtration state without being on site. As can be seen from the above, the setting of the turbidimeter 41 can realize real-time detection of the turbidity of the clear liquid, which can not only ensure the accuracy of the detection, but also ensure the timeliness of the detection, thereby avoiding the occurrence of production quality problems.

[0045] It should be noted that the turbidimeter 41 is an instrument for measuring the turbidity of a liquid. It is to irradiate a light source on the liquid, and receive the reflected light through a photocell, and then calculate the turbidity of the liquid according to the intensity of the scattered light, and display the turbidity value on the digital display 42. The turbidimeter 41 is mainly used for measuring the turbidity of water, sewage, beverages, dairy products, chemical raw materials, pharmaceutical products and other liquids to determine the clarity and quality of the liquid. Its principle is to determine the number and size of particles in the solution by light scattering to determine the turbidity, and the turbidimeter 41 can accurately measure by setting different measurement ranges and standards, and has automatic correction and automatic zero function, which can ensure the accuracy and stability of the measurement. The turbidimeter 41 measures the turbidity index of the liquid, and the turbidity index is a quantitative index for measuring the turbidity of the liquid, generally using NTU as the unit. The higher the NTU value, the lower the clarity of the liquid; the lower the NTU value, the higher the clarity of the liquid.

[0046] In one embodiment, the filtration device for lithium carbonate production further comprises a distributed control system (DCS), and the display 42 is integrated with the distributed control system (DCS), and the detection result of the turbidimeter 41 can be used for automatic control, such as when the measured value exceeds the preset threshold, the system can automatically trigger an alarm, or even automatically switch to a backup device. The distributed control system DCS is based on a microprocessor and uses centralized monitoring and distributed control, and can determine the turbidity of the filtered solution according to the data measured by the turbidimeter 41 to determine whether the filter tube 21 is normal. The filtration device for lithium carbonate production of the present application can be long-term detection, continuous and stable operation, high automation level, and can ensure the product quality.

[0047] As Figure 1As shown in the utility model, one embodiment of the utility model, lithium carbonate production filter device still includes waste pipe 70 and first control valve 80, the bottom of jar body 10 is provided with with containing cavity 11 communication's discharge gate, waste pipe 70 one end and discharge gate communication, first control valve 80 is installed on waste pipe 70.

[0048] In the embodiment, the first control valve 80 is opened, and the impurities in the containing cavity 11 can be discharged through the waste pipe 70. The first control valve 80 is closed, and the impurities in the containing cavity 11 cannot be discharged through the waste pipe 70.

[0049] It should be noted that part of the impurity particles will stick to the outer wall of the filter tube 21. Clean water can be added to the containing cavity 11 to flush the impurity particles on the outer wall of the filter tube 21, and then the impurity particles are discharged through the waste pipe 70.

[0050] As Figure 1 shown, in one embodiment, the lithium carbonate production filter device further comprises a second control valve 90 and a third control valve 100, the second control valve 90 and the third control valve 100 are installed on the liquid inlet pipeline 50, and the second control valve 90 and the third control valve 100 are located on the opposite sides of the delivery pump 60 respectively. If the delivery pump 60 needs to be stopped for maintenance or replacement, the second control valve 90 and the third control valve 100 can be closed to prevent sodium carbonate solution from entering or staying in the delivery pump 60 during the shutdown of the delivery pump 60.

[0051] As Figure 1 shown, in one embodiment of the utility model, the lithium carbonate production filter device further comprises a fourth control valve 200, the fourth control valve 200 is installed on the clear liquid delivery main pipe 32, the fourth control valve 200 is opened, and the clear liquid in the clear liquid delivery main pipe 32 can flow out of the clear liquid delivery main pipe 32. The fourth control valve 200 is closed, and the clear liquid in the clear liquid delivery main pipe 32 cannot flow out of the clear liquid delivery main pipe 32.

[0052] In one embodiment, the first control valve 80, the second control valve 90, the third control valve 100 and the fourth control valve 200 are all stop valves.

[0053] From the above description, it can be seen that the above-mentioned embodiments of the utility model realize the following technical effects: the tank body, the filter assembly, the clear liquid conveying structure and the turbidity detection device are arranged, the turbidity detection device can detect the turbidity of the clear liquid in the clear liquid conveying structure, if the measured value is less than the predetermined threshold value, it indicates that the filter pipe working state is normal, if the measured value is greater than the predetermined threshold value, it indicates that the filter pipe may be blocked, damaged, the filter pipe interface is loose, etc., at this time, the staff can take measures in time, such as switching to the standby lithium carbonate production filter device, and then stopping the filter device for inspection and repair. Through the above setting, the staff can know the running condition of the filter pipe (whether the filter hole on the filter pipe is blocked, whether the filter pipe is damaged, whether the filter pipe interface is loose, etc.), which can be handled in time, thereby ensuring the filtering effect and filtering efficiency.

[0054] Obviously, the above-described embodiments are only a part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor should belong to the protection scope of the utility model.

[0055] It should be noted that the terms used herein are only for describing specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. As used herein, the singular form is intended to include the plural form unless the context clearly indicates otherwise, and furthermore, it should be understood that when the terms "comprise" and / or "include" are used in the specification, there is a feature, step, work, device, component and / or their combination.

[0056] The above only describes the preferred embodiments of the utility model, and is not intended to limit the utility model, and for those skilled in the art, the utility model can have various changes and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A filter device for lithium carbonate production, characterized by, The application relates to a lithium carbonate production filtering device. The lithium carbonate production filtering device comprises a tank body (10) with a containing cavity (11) and a liquid inlet communicating with the containing cavity (11); a filtering assembly (20) is arranged in the containing cavity (11), the filtering assembly (20) comprises a filter tube (21) which is configured to intercept impurity particles with a preset particle size outside the filter tube (21), the filter tube (21) has a clear liquid outlet; a clear liquid conveying structure (30) has one end communicating with the clear liquid outlet; and a turbidity detection device (40) is arranged for detecting the turbidity of the clear liquid in the clear liquid conveying structure (30). The filter tube (21) has an inner cavity, the clear liquid outlet communicates with the inner cavity, and a plurality of filter holes communicating with the inner cavity are arranged on the filter tube (21). The filter hole has a pore size ranging from 2 to 5 microns. The filter tube (21) and the turbidity detection device (40) are both multiple, the clear liquid conveying structure (30) comprises a plurality of clear liquid conveying sub-pipes (31), the plurality of clear liquid conveying sub-pipes (31) are arranged in one-to-one correspondence with the plurality of filter tubes (21), one end of each clear liquid conveying sub-pipe (31) communicates with the clear liquid outlet of the corresponding filter tube (21), and at least part of the clear liquid conveying sub-pipes (31) are provided with the turbidity detection device (40).

2. The filter device for lithium carbonate production according to claim 1, characterized in that, The filter tube (21) is multiple, the clear liquid conveying structure (30) comprises a plurality of clear liquid conveying sub-pipes (31) and a clear liquid conveying main pipe (32), the plurality of clear liquid conveying sub-pipes (31) are arranged in one-to-one correspondence with the plurality of filter tubes (21), one end of each clear liquid conveying sub-pipe (31) communicates with the clear liquid outlet of the corresponding filter tube (21), the other end of the plurality of clear liquid conveying sub-pipes (31) all communicates with the clear liquid conveying main pipe (32), and the turbidity detection device (40) is arranged on the clear liquid conveying main pipe (32).

3. The filter device for lithium carbonate production according to claim 2, characterized in that, The filtering assembly (20) further comprises a mounting structure (22) arranged in the containing cavity (11), and the filter tube (21) is connected with the mounting structure (22).

4. The filter device for lithium carbonate production according to any one of claims 1 to 3, characterized in that, The liquid inlet is arranged at the bottom of the tank body (10), and the lithium carbonate production filtering device further comprises a liquid inlet pipeline (50) communicating with the liquid inlet.

5. The filter device for lithium carbonate production according to any one of claims 1 to 3, characterized in that, The lithium carbonate production filtering device further comprises a conveying pump (60) arranged on the liquid inlet pipeline (50).

6. The filter device for lithium carbonate production according to any one of claims 1 to 3, characterized in that, The turbidity detection device (40) comprises a turbidimeter (41) and a display (42), and the turbidimeter (41) is communicatively connected with the display (42).

7. The filter device for lithium carbonate production according to any one of claims 1 to 3, characterized by, The lithium carbonate production filtering device further comprises a waste pipe (70) and a first control valve (80), the bottom of the tank body (10) is provided with a discharge port communicating with the containing cavity (11), one end of the waste pipe (70) communicates with the discharge port, and the first control valve (80) is arranged on the waste pipe (70).

8. The filter device for lithium carbonate production according to claim 7, characterized by, ​ 9. The filter device for lithium carbonate production according to any one of claims 1 to 3, characterized in that, ​ 10. The filter device for lithium carbonate production according to any one of claims 1 to 3, characterized in that, ​

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