Membrane method impurity removal equipment for lithium ion electrolyte

Abstract

The utility model discloses membrane method impurity removal equipment for lithium ion electrolyte, which comprises supporting legs, the upper ends of the supporting legs are fixedly connected with a second box body, the lower surfaces of the first box body and the second box body are fixedly connected with embedding plates, the lower ends of two channels are movably connected with a filter box, and the filter box is fixedly connected with the first box body and the second box body. Two embedding blocks are fixedly connected to the side surfaces of the two filtering boxes, the two embedding blocks are slidably connected with the interiors of embedding plates correspondingly, first positioning plates are fixedly connected to the side surfaces of the two collecting boxes correspondingly, microfiltration membranes are movably connected to the upper surfaces of the two first positioning plates correspondingly, telescopic electric rods are fixedly connected to the side surfaces of the two filtering boxes correspondingly, and the telescopic electric rods are fixedly connected to the side surfaces of the two filtering boxes correspondingly. The output end of the telescopic electric rod is fixedly connected with a scraping plate, impurities accumulated on a microfiltration membrane can be cleaned in the filtering process through mutual cooperation of the rope electric rod and the scraping plate, the filtering efficiency is improved, the filtering box can be pulled out through mutual cooperation of an embedding block and an embedding plate, and the microfiltration membrane and a secondary ceramic membrane in the filtering box can be conveniently cleaned.

Description

Technical Field

[0001] The utility model relates to the technical field of membrane impurity removal of lithium ion electrolyte, in particular to a membrane impurity removal device for lithium ion electrolyte. Background Art

[0002] Lithium-ion electrolyte is the carrier of ion transmission in the battery. The electrolyte is generally prepared from high-purity organic solvents, electrolyte lithium salts, necessary additives and other raw materials under certain conditions and in a certain proportion. Since the electrolyte has a lot of impurities that will affect the conductivity, the prepared electrolyte needs to be treated to reduce the chromaticity of the electrolyte to below 30 in order to obtain a qualified electrolyte.

[0003] The existing membrane impurity removal equipment for lithium ion electrolyte will accumulate impurities on the filter membrane during the filtration process, resulting in low filtration efficiency and inconvenient replacement of the filter membrane. The practical equipment can clean the impurities accumulated during the filtration process and makes cleaning and replacement of the filter membrane more convenient. Utility Model Content

[0004] The purpose of the utility model is to provide a membrane impurity removal device for lithium ion electrolyte, which can solve the problems of inconvenient cleaning of the filter membrane and low filtration efficiency due to impurity accumulation during the filtration process in the prior art.

[0005] To achieve the above-mentioned purpose, a membrane impurity removal device for lithium ion electrolyte is provided, comprising: a support leg, the upper end of the support leg is fixedly connected to the second box body, the upper surface of the second box body is fixedly connected to two support plates, the middle of the two support plates is fixedly connected to the first box body, the lower surfaces of the first box body and the second box body are fixedly connected to the mosaic plate, the first box body and the second box body are both connected to the channel, the lower ends of the two channels are movably connected to the filter box, the side surfaces of the two filter boxes are fixedly connected to two mosaic blocks, the two mosaic blocks are respectively slidably connected to the inside of the mosaic plate, the inner walls of the two filter boxes are fixedly connected to the collection box, the inner walls of the two filter boxes are fixedly connected to the secondary ceramic membrane, and the filter box can be pulled out through the cooperation of the mosaic block and the mosaic plate, so as to facilitate the cleaning of the microfiltration membrane and the secondary ceramic membrane inside the filter box;

[0006] The two collecting box sides are fixedly connected to the first positioning plate, the upper surfaces of the two first positioning plates are movably connected to the microfiltration membrane, the two filter box side surfaces are fixedly connected to the telescopic electric rod, and the output ends of the two telescopic electric rods are fixedly connected to the scraper. Through the cooperation of the telescopic electric rod, the collecting box and the scraper, the impurities accumulated on the microfiltration membrane can be cleaned and collected during the filtration process, thereby improving the filtration efficiency.

[0007] According to the membrane impurity removal equipment for lithium ion electrolyte, the side of the second box body is fixedly connected to an operating table, and the machine is controlled through the operating table.

[0008] According to the membrane impurity removal equipment for lithium ion electrolyte, measuring rods are fixedly connected to the upper surfaces of the first box body and the second box body, and the upper ends of the two measuring rods are fixedly connected to the instrument panel. The water level of the lithium ion electrolyte can be monitored through the measuring rods and the instrument panel to prevent the volume from exceeding.

[0009] According to the membrane impurity removal equipment for lithium-ion electrolyte, the side surfaces of the first box body and the second box body are fixedly connected to the electric rod, and the bottom of the first box body and the second box body are provided with two slide grooves, and a baffle is slidably connected between the two slide grooves. The lithium-ion electrolyte can be flexibly controlled during the filtration process through the cooperation of the electric rod, the baffle and the slide groove, which facilitates the extraction of the filter box and the cleaning of the internal filter components.

[0010] According to the membrane impurity removal equipment for lithium ion electrolyte, sealing rings are provided at the connection between the two channels and the filter box, which can effectively ensure the sealing of the connection between the channels and the filter box.

[0011] According to the membrane impurity removal equipment for lithium ion electrolyte, the side surface of the first box body is connected to the feed port, and the material is manually placed into the first box body through the feed port.

[0012] According to the membrane impurity removal equipment for lithium ion electrolyte, the upper surface of the second box body is connected to the vent, the inner wall of the vent is fixedly connected to the second positioning plate, and the upper surface of the second positioning plate is movably connected to the filter plate, and harmful gases can be purified through the filter plate to reduce environmental pollution and harm to the human body.

[0013] The above scheme has the following beneficial effects:

[0014] 1. The utility model can utilize the provided interlocking plate and interlocking block to pull out the filter box, so as to facilitate the cleaning or replacement of the filter components inside the filter box.

[0015] 2. The utility model can utilize the telescopic electric rod and the scraper to cooperate with each other to clean the impurities accumulated on the microfiltration membrane during the cleaning process, thereby improving the filtration efficiency.

[0016] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0018] Figure 1 It is a three-dimensional diagram of a membrane impurity removal device for lithium ion electrolyte according to the utility model;

[0019] Figure 2 It is a cross-sectional view of a membrane impurity removal device for lithium ion electrolyte according to the utility model;

[0020] Figure 3 This is a front view of a membrane impurity removal device for lithium ion electrolyte according to the utility model;

[0021] Figure 4 The utility model is a membrane impurity removal device for lithium ion electrolyte Figure 2 The enlarged view of point A in the middle;

[0022] Figure 5 The utility model is a membrane impurity removal device for lithium ion electrolyte Figure 2 The enlarged view of point B in the middle;

[0023] Figure 6 The utility model is a membrane impurity removal device for lithium ion electrolyte Figure 2 Enlarged view of point C in the middle.

[0024] Legend:

[0025] 1. First box body; 2. Feed inlet; 3. Support plate; 4. Operating table; 5. Support legs; 6. Electric rod; 7. Instrument panel; 8. Ventilation port; 9. Measuring rod; 10. Second box body; 11. Baffle; 12. Slide; 13. Mosaic plate; 14. Telescopic electric rod; 16. Scraper; 17. Secondary ceramic membrane; 18. First positioning plate; 19. Microfiltration membrane; 20. Collecting box; 21. Mosaic block; 22. Filter box; 23. Second positioning plate; 24. Filter plate; 26. Channel. DETAILED DESCRIPTION

[0026] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0027] Reference Figure 1-6The utility model embodiment is a membrane impurity removal device for lithium ion electrolyte, which includes: a membrane impurity removal device for lithium ion electrolyte, characterized in that it includes: a support leg 5, the upper end of the support leg 5 is fixedly connected to the second box 10, the second box 10 is supported by the support leg 5, the upper surface of the second box 10 is fixedly connected to two support plates 3, the middle of the two support plates 3 is fixedly connected to the first box 1, the first box 1 is fixed by the support plate 3, and the lower surfaces of the first box 1 and the second box 10 are fixedly connected to the mosaic plate 13, The first box body 1 and the second box body 10 are both connected to the channel 26, the lower ends of the two channels 26 are movably connected to the filter box 22, the side surfaces of the two filter boxes 22 are fixedly connected to the two chimeric blocks 21, the two chimeric blocks 21 are respectively slidably connected to the inside of the chimeric plate 13, the inner walls of the two filter boxes 22 are fixedly connected to the collection box 20, the inner walls of the two filter boxes 22 are fixedly connected to the secondary ceramic membrane 17, and the filter box 22 can be pulled out through the mutual cooperation of the chimeric block 21 and the chimeric plate 13, so as to facilitate the cleaning of the secondary ceramic membrane 17 inside it;

[0028] The sides of the two collecting boxes 20 are fixedly connected to the first positioning plate 18, the upper surfaces of the two first positioning plates 18 are movably connected to the microfiltration membrane 19, the side surfaces of the two filter boxes 22 are fixedly connected to the telescopic electric rod 14, and the output ends of the two telescopic electric rods 14 are fixedly connected to the scraper 16. Through the cooperation of the telescopic electric rod 14, the collecting box 20 and the scraper 16, the impurities accumulated on the microfiltration membrane 19 can be cleaned and collected during the filtration process, thereby improving the filtration efficiency.

[0029] The side of the second box body 10 is fixedly connected to the operating table 4, and the machine is controlled by the operating table 4. The upper surfaces of the first box body 1 and the second box body 10 are fixedly connected with measuring rods 9, and the upper ends of the two measuring rods 9 are fixedly connected to the instrument panel 7. The water level of the lithium ion electrolyte can be monitored by the measuring rods 9 and the instrument panel 7 to prevent exceeding the volume. The side surfaces of the first box body 1 and the second box body 10 are fixedly connected to the electric rod 6, and the baffle 11 can be controlled by the electric rod 6. Two slide grooves 12 are provided at the bottom of the first box body 1 and the second box body 10, and the baffle 11 is slidably connected between the two slide grooves 12. The electric rod 6, the baffle 11 and the slide groove 12 cooperate with each other to flexibly control the filtering process. To make lithium-ion electrolyte, it is convenient to extract the filter box 22 and clean the internal filter components. The two channels 26 are connected to the filter box 22 with sealing rings, which can effectively ensure the sealing of the connection between the channels 26 and the filter box 22. The side surface of the first box body 1 is connected to the feed port 2, and the material is manually placed into the first box body 1 through the feed port 2. The upper surface of the second box body 10 is connected to the vent 8, and the inner wall of the vent 8 is fixedly connected to the second positioning plate 23. The filter plate 24 can be positioned and fixed by the second positioning plate 23. The upper surface of the second positioning plate 23 is movably connected to the filter plate 24. Harmful gases can be purified through the filter plate 24 to reduce environmental pollution and harm to the human body.

[0030] Working principle: lithium ion electrolyte is manually put into the first box body 1 through the feed port 2, and the amount of lithium ion electrolyte added is monitored by the measuring rod 9 and the instrument panel 7. After a sufficient amount of lithium ion electrolyte is added, the baffle 11 set in the first box body 1 is opened by the electric rod 6 set on the first box body 1, and the lithium ion electrolyte enters the filter box 22 for the first impurity removal, and then enters the second box body 10. The lithium ion electrolyte entering the second box body 10 is monitored by the measuring rod 9 and the instrument panel 7. After reaching a certain amount, the baffle 11 in the first box body 1 is closed by the electric rod 6 set on the first box body 1, and then the baffle 11 in the second box body 10 is opened by the electric rod 6 set on the second box body 10 to filter the lithium ion electrolyte for the second time, and then the filtered lithium ion electrolyte is discharged.

[0031] 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 ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A membrane impurity removal device for lithium ion electrolyte, characterized in that: include: A support leg (5), the upper end of the support leg (5) is fixedly connected to the second box body (10), the upper surface of the second box body (10) is fixedly connected to two support plates (3), the middle of the two support plates (3) is fixedly connected to the first box body (1), the lower surfaces of the first box body (1) and the second box body (10) are fixedly connected to the mosaic plate (13), the first box body (1) and the second box body (10) are both connected to the channel (26), the lower ends of the two channels (26) are movably connected to the filter box (22), the side surfaces of the two filter boxes (22) are fixedly connected to two mosaic blocks (21), the two mosaic blocks (21) are respectively slidably connected to the inside of the mosaic plate (13), the inner walls of the two filter boxes (22) are fixedly connected to the collecting box (20), and the inner walls of the two filter boxes (22) are fixedly connected to the secondary ceramic membrane (17); The sides of the two collecting boxes (20) are fixedly connected to the first positioning plate (18), the upper surfaces of the two first positioning plates (18) are movably connected to the microfiltration membrane (19), the side surfaces of the two filter boxes (22) are fixedly connected to the telescopic electric rod (14), and the output ends of the two telescopic electric rods (14) are fixedly connected to the scraper (16).

2. The membrane impurity removal device for lithium ion electrolyte according to claim 1, characterized in that: The side surface of the second box body (10) is fixedly connected to the operating table (4).

3. The membrane impurity removal device for lithium ion electrolyte according to claim 1, characterized in that: The upper surfaces of the first box body (1) and the second box body (10) are both fixedly connected with measuring rods (9), and the upper ends of the two measuring rods (9) are both fixedly connected to the instrument panel (7).

4. The membrane impurity removal device for lithium ion electrolyte according to claim 1, characterized in that: The side surfaces of the first box body (1) and the second box body (10) are fixedly connected to the electric rod (6); the bottoms of the first box body (1) and the second box body (10) are both provided with two slide grooves (12); a baffle (11) is slidably connected between the two slide grooves (12).

5. The membrane impurity removal device for lithium ion electrolyte according to claim 1, characterized in that: Sealing rings are provided at the connection points between the two channels (26) and the filter box (22).

6. The membrane impurity removal device for lithium ion electrolyte according to claim 1, characterized in that: The side surface of the first box body (1) is connected to the feed inlet (2).

7. The membrane impurity removal device for lithium ion electrolyte according to claim 1, characterized in that: The upper surface of the second box body (10) is connected to the ventilation port (8), the inner wall of the ventilation port (8) is fixedly connected to the second positioning plate (23), and the upper surface of the second positioning plate (23) is movably connected to the filter plate (24).

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