CN217025546U

CN217025546U - Molecular sieve device for dehydrating and purifying electrolyte solvent

Info

Publication number: CN217025546U
Application number: CN202220439443.0U
Authority: CN
Inventors: 曹斌; 吕福禄; 赵延寿; 张虎; 蔡元礼; 周振伦; 杨娟
Original assignee: Chengdu Hongtao New Materials Co ltd
Current assignee: Chengdu Hongtao New Materials Co ltd
Priority date: 2022-03-02
Filing date: 2022-03-02
Publication date: 2022-07-22
Anticipated expiration: 2032-03-02

Abstract

The utility model discloses a molecular sieve device for dehydrating and purifying an electrolyte solvent, and relates to the technical field of electrolyte solvent dehydrating and purifying devices. Including the container, container top symmetry is provided with the motor, the equal fixedly connected with pivot of motor output, the equal fixedly connected with roof in pivot bottom, the first ring screen of roof bottom fixedly connected with, the inside second ring screen that has cup jointed of first ring screen, container top swing joint has the top cap, top cap bottom swing joint has the connecting block, connecting block bottom swing joint has the absorption net, absorption net bilateral symmetry is provided with a plurality of cylinders, swing joint has a plurality of absorption pearls on the cylinder. According to the utility model, through the first annular screen, the second annular screen and the support columns which are fixedly connected with the bottom of the bottom plate, and the mutual matching among the plurality of splitter plates which are fixedly connected with the support columns, the electrolyte solvent removes impurities from the electrolyte after the molecular sieve dehydrator dehydrates the electrolyte, so that the impurities in the electrolyte are reduced.

Description

Molecular sieve device for dehydrating and purifying electrolyte solvent

Technical Field

The utility model relates to the technical field of electrolyte solvent dehydration and impurity removal devices, in particular to a molecular sieve device for dehydration and impurity removal of an electrolyte solvent.

Background

In the production of the electrolyte of the lithium ion battery, the dehydration and impurity removal of the organic solvent of the electrolyte are the prerequisites for the production of the electrolyte. At present, all electrolyte manufacturers generally adopt a molecular sieve device for dehydration treatment, the molecular sieve refers to a substance which has uniform micropores and the aperture of the molecular sieve is equivalent to the size of a common molecule, and the molecular sieve can be used as a high-efficiency drying agent, a selective adsorbent and the like.

However, the existing molecular sieve device only simply removes impurities from the electrolyte in the solvent dehydration process, and the solvent provided for rear-end production may be turbid or have more mechanical impurities, so that the quality of the whole electrolyte is affected.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a molecular sieve device for dehydrating and decontaminating electrolyte solvent, which solves the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a molecular sieve device for electrolyte solvent dehydration edulcoration, which comprises a container, the inside molecular sieve dehydrator that is provided with of container, container top symmetry is provided with the motor, the equal fixedly connected with pivot of motor output end, the equal fixedly connected with roof in pivot bottom, the first ring screen of roof bottom fixedly connected with, the inside second ring screen that has cup jointed of first ring screen, the inside a plurality of flow distribution plates that are provided with of second ring screen, container top swing joint has the top cap, first spacing groove has been seted up to the top cap bottom, first spacing inslot portion swing joint has the connecting block, connecting block bottom swing joint has the adsorption net, adsorption net bilateral symmetry is provided with a plurality of cylinders, swing joint has a plurality of adsorption beads on the cylinder.

Preferably, container one side fixedly connected with inlet tube, opposite side fixedly connected with drain pipe, container one side fixed mounting has the controller, motor and controller electric connection.

Preferably, the bottom of the connecting block is provided with a second limiting groove, and the adsorption net is movably connected with the second limiting groove.

Preferably, the top of the cylinder is fixedly connected with the connecting block, the cylinder is fixedly connected with a plurality of supporting rings, and the supporting rings are matched with the number of the adsorption beads and are located at the bottoms of the adsorption beads.

Preferably, all be provided with booster pump and ooff valve on inlet line and the drain pipe, and booster pump and ooff valve all with controller electric connection.

Preferably, the top of the second circular screen is fixedly connected with the top plate, the bottom of the top plate is fixedly connected with the supporting columns, and one side of the flow distribution plate is fixedly connected with the supporting columns.

Preferably, container one side fixedly connected with backup pad, the motor top all with backup pad fixed connection.

Compared with the prior art, the utility model has the beneficial effects that:

this a molecular sieve device for electrolyte solvent dehydration edulcoration, bottom plate through the equal fixed connection in pivot bottom, bottom plate bottom fixed connection's first ring screen, second ring screen and support column, mutually support on the support column between a plurality of flow distribution plates of fixed connection for the electrolyte solvent filters electrolyte after the molecular sieve dehydrator is to its dehydration, has reduced the impurity in the electrolyte, has improved the quality of electrolyte solvent.

This a molecular sieve device for edulcoration of electrolyte solvent dehydration, top cap through seting up first spacing groove, first spacing inslot portion swing joint's connecting block, connecting block bottom swing joint's absorption net, the cylinder that adsorbs the setting of net bilateral symmetry, a plurality of absorption beads of swing joint mutually support on the cylinder between for electrolyte solvent can further carry out the edulcoration to electrolyte after the molecular sieve dehydrator is dehydrated, has improved electrolyte solvent's quality.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the internal structure of the container of the present invention;

FIG. 3 is a schematic view of the internal structure of a first ring screen of the present invention;

fig. 4 is an enlarged structural view of a portion a in fig. 2 according to the present invention.

In the figure: 1. a container; 101. a liquid inlet pipe; 102. a liquid outlet pipe; 2. a controller; 3. a molecular sieve dehydrator; 4. a motor; 401. a rotating shaft; 402. a top plate; 403. a first endless screen; 404. a second endless screen; 405. a support column; 406. a splitter plate; 407. a support plate; 5. a top cover; 501. a first limit groove; 502. connecting blocks; 503. a second limit groove; 504. a cylinder; 505. a support ring; 506. adsorbing the beads; 507. an adsorption net.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

It should be noted that in the description of the present invention, the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of description and simplification of description, and do not indicate or imply that the referred device or element must have a specific orientation, be configured in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

Further, it will be appreciated that the dimensions of the various elements shown in the figures are not drawn to scale, for ease of description, and that the thickness or width of some layers may be exaggerated relative to other layers, for example.

It should be noted that like reference numerals and letters refer to like items in the following figures, and thus, once an item is defined or illustrated in one figure, it will not need to be further discussed or illustrated in detail in the description of the following figure.

As shown in fig. 1 to 4, the present invention provides a technical solution: a molecular sieve device for dehydrating and purifying electrolyte solvents comprises a container 1, wherein the container 1 can be made of stainless steel materials with excellent corrosion resistance, formability and toughness, so that the service life of the container 1 is longer, a molecular sieve dehydrator 3 is arranged in the container 1, motors 4 are symmetrically arranged at the top of the container 1, output ends of the motors 4 are fixedly connected with a rotating shaft 401, the bottom of the rotating shaft 401 is fixedly connected with a top plate 402, the top plate 402 can be simply cured through a curing process, the curing degree can be adjusted, the shadowless glue materials which can be repeatedly applied with glue and cured for multiple times are fixedly connected, so that the top plate 402 can be bonded more firmly, a first annular screen 403 is fixedly connected at the bottom of the top plate 402, a second annular screen 404 is sleeved in the first annular screen 403, a plurality of splitter plates 406 are arranged in the second annular screen 404, and a top cover 5 is movably connected at the top of the container 1, top cap 5 can adopt chemical resistance, the heat resistance, the electrical insulation nature, the polypropylene material of high strength mechanical properties and good high abrasion processing property, can be so that top cap 5 has longer life, and polypropylene material price is cheap, the cost performance is higher, first spacing groove 501 has been seted up to top cap 5 bottom, the inside swing joint of first spacing groove 501 has connecting block 502, connecting block 502 bottom swing joint has the absorption net 507, absorption net 507 bilateral symmetry is provided with a plurality of cylinders 504, swing joint has a plurality of absorption beads 506 on the cylinder 504. It should be noted that the top of the container 1 is provided with a square hole matched with the top cover 5, and the top of the container 1 is provided with a round hole matched with the rotating shaft 401. The top cover 5 and the top of the molecular sieve dehydrator 3 are both provided with handles, so that the taking-out is convenient.

As a specific embodiment, a liquid inlet pipe 101 is fixedly connected to one side of the container 1, a liquid outlet pipe 102 is fixedly connected to the other side of the container, a controller 2 is fixedly installed on one side of the container 1, and the motor 4 is electrically connected to the controller 2.

As a specific embodiment, the bottom of the connecting block 502 is provided with a second limiting groove 503, and the adsorption net 507 is movably connected with the second limiting groove 503. The second limiting groove 503 and the first limiting groove 501 are used for facilitating replacement of the adsorption net 507, the cylinder 504 and the adsorption beads 506.

As a specific embodiment, the tops of the cylinders 504 are all fixedly connected to the connection block 502, a plurality of retaining rings 505 are fixedly connected to the cylinders 504, and the retaining rings 505 are matched with the number of the adsorption beads 506 and are located at the bottoms of the adsorption beads 506. It should be noted that the action of the retaining ring 505 is to make each adsorption bead 506 rotate without interference when being impacted by the flow rate of the solvent, and the operation is smoother, for this reason, the diameter of the outer ring of the retaining ring 505 is larger than the diameter of the inner ring of the adsorption bead 506.

As a specific embodiment, the liquid inlet pipe 101 and the liquid outlet pipe 102 are both provided with a booster pump and a switch valve, and the booster pump and the switch valve are both electrically connected to the controller 2. It should be noted that the controller 2 may control each of the booster pumps and the switching valves individually.

In a specific embodiment, the top of the second circular screen 404 is fixedly connected to the top plate 402, the bottom of the top plate 402 is fixedly connected to the supporting column 405, and one side of the diversion plate 406 is fixedly connected to the supporting column 405. The purpose of the support posts 405 is to allow the manifold 406 to be more securely held and also to allow the electrolyte solvent to be separated by cooperation with the manifold 406.

As a specific embodiment, a supporting plate 407 is fixedly connected to one side of the container 1, and the top of the motor 4 is fixedly connected to the supporting plate 407. It should be noted that the support plate 407 and the container 1 are fixed by a screw bolt, which facilitates later maintenance of the motor 4.

Specifically, the electrolyte solvent flows into the container 1 from the liquid inlet pipe 101, the electrolyte solvent flows to the first ring screen 403 after being dehydrated by the molecular sieve dehydrator 3, the controller 2 controls the motors 4 to start to rotate, it should be noted that the controller 2 can independently control each motor 4 to rotate, the motor 4 drives the rotating shaft 401 fixedly connected to the output end of the motor 4 to rotate, so as to drive the first ring screen 403 and the second ring screen 404 fixedly connected to the bottom of the top plate 402 to start to rotate, the plurality of splitter plates 406 fixedly connected to the support columns 405 fixedly connected to the bottom of the top plate 402 uniformly disperse the electrolyte solvent, so that the impurities in the electrolyte solvent can be dispersed and adsorbed on the first ring screen 403 and the second ring screen 404, when the electrolyte solvent continues to pass through the adsorption beads 506, the adsorption beads 506 rotate by themselves under the impact of the flow velocity of the solvent, and bring the impurities on the adsorption beads to the adsorption mesh 507, and continuously adsorbing impurities in the solvent to complete impurity removal, wherein the electrolyte solvent after dehydration and impurity removal flows out through the liquid outlet pipe 102. It should be noted here that, because the adsorption net 507 adsorbs impurities for a long time, and the adsorption net 507 needs to be replaced at intervals, the adsorption net 507 is movably connected with the connection block 502, which not only facilitates the replacement of the adsorption net 507, but also reduces the cost without replacing all components.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A molecular sieve device for electrolyte solvent dehydration edulcoration, including container (1), its characterized in that: the container is characterized in that a molecular sieve dehydrator (3) is arranged inside the container (1), motors (4) are symmetrically arranged on the top of the container (1), rotating shafts (401) are fixedly connected to the output ends of the motors (4), top plates (402) are fixedly connected to the bottom of the rotating shafts (401), first ring screens (403) are fixedly connected to the bottom of the top plates (402), second ring screens (404) are sleeved inside the first ring screens (403), a plurality of splitter plates (406) are arranged inside the second ring screens (404), a top cover (5) is movably connected to the top of the container (1), first limiting grooves (501) are formed in the bottom of the top cover (5), connecting blocks (502) are movably connected inside the first limiting grooves (501), adsorption nets (507) are movably connected to the bottom of the connecting blocks (502), a plurality of cylinders (504) are symmetrically arranged on two sides of the adsorption nets (507), and a plurality of adsorption beads (506) are movably connected to the cylinders (504).

2. The molecular sieve device for dehydrating and decontaminating electrolyte solvents according to claim 1, characterized in that: the liquid inlet pipe (101) is fixedly connected to one side of the container (1), the liquid outlet pipe (102) is fixedly connected to the other side of the container, the controller (2) is fixedly mounted to one side of the container (1), and the motor (4) is electrically connected with the controller (2).

3. The molecular sieve device for dehydrating and decontaminating electrolyte solvents according to claim 1, characterized in that: the bottom of the connecting block (502) is provided with a second limiting groove (503), and the adsorption net (507) is movably connected with the second limiting groove (503).

4. The molecular sieve device for dehydrating and decontaminating electrolyte solvents according to claim 1, characterized in that: the top of the cylinder (504) is fixedly connected with the connecting block (502), the cylinder (504) is fixedly connected with a plurality of abutting rings (505), and the number of the abutting rings (505) is matched with that of the adsorption beads (506) and the abutting rings are located at the bottoms of the adsorption beads (506).

5. The molecular sieve device for dehydrating and decontaminating electrolyte solvents according to claim 2, characterized in that: the liquid inlet pipe (101) and the liquid outlet pipe (102) are respectively provided with a booster pump and a switch valve, and the booster pump and the switch valve are both electrically connected with the controller (2).

6. The molecular sieve device for dehydrating and decontaminating electrolyte solvents according to claim 1, characterized in that: the top of the second annular screen (404) is fixedly connected with the top plate (402), the bottom of the top plate (402) is fixedly connected with a supporting column (405), and one side of the flow distribution plate (406) is fixedly connected with the supporting column (405).

7. The molecular sieve device for dehydrating and decontaminating electrolyte solvents according to claim 1, characterized in that: one side of the container (1) is fixedly connected with a supporting plate (407), and the top of the motor (4) is fixedly connected with the supporting plate (407).