CN216458029U - Lithium ion battery annotates liquid exhaust treatment device - Google Patents

Lithium ion battery annotates liquid exhaust treatment device Download PDF

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Publication number
CN216458029U
CN216458029U CN202122680243.2U CN202122680243U CN216458029U CN 216458029 U CN216458029 U CN 216458029U CN 202122680243 U CN202122680243 U CN 202122680243U CN 216458029 U CN216458029 U CN 216458029U
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China
Prior art keywords
adsorption tower
lithium ion
ion battery
treatment device
vacuum
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CN202122680243.2U
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胡燕龙
蔡晓楠
苏敏
郑锐荣
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Dianying Guangdong Energy Technology Co ltd
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Dianying Guangdong Energy Technology Co ltd
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Abstract

The utility model provides a lithium ion battery liquid injection waste gas treatment device which comprises a liquid injection machine, wherein the liquid injection machine is connected with an organic solvent adsorption tower pipeline through a first vacuum pipeline, an organic solvent adsorption tower is connected with an acid gas adsorption tower pipeline through a second vacuum pipeline, the acid gas adsorption tower is connected with a vacuum pump pipeline through a third vacuum pipeline, and the addition of the organic solvent adsorption tower and the acid gas adsorption tower can effectively adsorb electrolyte waste gas and acid gas in the vacuum pipeline, protect the vacuum pump, prolong the service life of the vacuum pump and reduce the replacement frequency of lubricating oil of the vacuum pump.

Description

Lithium ion battery annotates liquid exhaust treatment device
Technical Field
The utility model relates to the technical field of lithium ion batteries, in particular to a lithium ion battery liquid injection waste gas treatment device.
Background
The lithium ion battery has the characteristics of high energy density, long cycle life, environmental protection and the like, and is widely applied to battery equipment, electric tools and new energy automobiles; has wide application prospect in the fields of energy storage, aerospace and the like. Lithium ion electrolyte is mainly that lithium hexafluorophosphate dissolves in organic solvent EC, DMC the inside, lithium ion makes in the production process, electrolyte injection and battery encapsulation, need use operations such as vacuum pump evacuation, electrolyte inevitable can get into the vacuum pipe, the vacuum pump cavity, electrolyte can dissolve mutually with the vacuum pump, vacuum pump oil can lose efficacy gradually, electrolyte also can take place a small amount of hydrolysis simultaneously, generate hydrofluoric acid, this kind of acid of strong corrosivity can corrode the metalwork of vacuum pump, cause the vacuum pump leakproofness bad, reduce limit vacuum pump's vacuum. The waste gas of the electrolyte is treated for the stability of the equipment and the working environment of the workshop.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem that a small amount of electrolyte can enter a cavity of a vacuum pump to cause damage to the vacuum pump in the prior art, the utility model aims to provide a liquid injection waste gas treatment device for a lithium ion battery, and the specific technical scheme is as follows:
the utility model provides a lithium ion battery annotates liquid exhaust treatment device, includes annotates the liquid machine, annotate the liquid machine through first vacuum pipeline and organic solvent adsorption tower pipe connection, organic solvent adsorption tower passes through second vacuum pipeline and acid gas adsorption tower pipe connection, acid gas adsorption tower passes through third vacuum pipeline and vacuum pump pipe connection.
Furthermore, the first vacuum pipeline connected with the organic solvent adsorption tower connecting inlet is also connected with the capper pipeline.
Furthermore, annotate liquid machine and capper gas vent and be equipped with the steel wire hose, the steel wire hose passes through first valve access first vacuum pipe.
Further, the first vacuum pipeline, the second vacuum pipeline and the third vacuum pipeline are all PPR pipes.
Further, activated carbon is filled in the organic solvent adsorption tower.
Further, the acid gas adsorption tower is filled with granular oxides and alkaline substances.
Further, the inlets and outlets of the organic solvent adsorption tower and the acid gas adsorption tower are respectively arranged at the bottom and the top.
Furthermore, a second valve is arranged on a second vacuum pipeline between the organic solvent adsorption tower and the acid gas adsorption tower, and a third valve is arranged on a third vacuum pipeline between the acid gas adsorption tower and the vacuum pump.
Further, the first valve, the second valve and the third valve are all ball valves.
The utility model has the beneficial effects that:
the utility model provides a lithium ion battery annotates liquid exhaust treatment device structural design is simple, and the electrolyte waste gas of vacuum tube the inside can effectively be adsorbed in the addition of organic solvent adsorption tower and acid gas adsorption tower, acid gas, protects the vacuum pump, extension vacuum pump life, the change frequency of extension vacuum pump lubricating oil.
Drawings
FIG. 1 is a schematic diagram of the connection relationship of the apparatus of the present invention.
In the figure: 1. a liquid injection machine; 2. a sealing machine; 3. an organic solvent adsorption column; 4. an acid gas adsorption tower; 5. a vacuum pump; 6. a first valve; 7. a second valve; 8. a third valve; 9. a steel wire hose; 10. a first vacuum line; 11. a second vacuum line; 12. a third vacuum line.
Detailed Description
Referring to fig. 1 of the present invention, fig. 1 is a schematic view showing the connection relationship of the apparatus of the present invention. The technical solutions in the embodiments of the present invention are clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
A lithium ion battery liquid injection waste gas treatment device comprises a liquid injection machine 1, wherein the liquid injection machine 1 is connected with an organic solvent adsorption tower 3 through a first vacuum pipeline 10, activated carbon is filled in the organic solvent adsorption tower 3, the first vacuum pipeline 10 connected with an inlet of the organic solvent adsorption tower 3 is also connected with a sealing machine 2 through a pipeline, a steel wire hose 9 is arranged at an exhaust port of the liquid injection machine 1 and a gas exhaust port of the sealing machine 2, the steel wire hose 9 is connected into the first vacuum pipeline 10 through a first valve 6, the organic solvent adsorption tower 3 is connected with an acid gas adsorption tower 4 through a second vacuum pipeline 11, inlets and outlets of the organic solvent adsorption tower 3 and the acid gas adsorption tower 4 are respectively arranged at the bottom and the top to adapt to the upward movement characteristic of gas, and granular oxides and alkaline substances are filled in the acid gas adsorption tower 4, acid gas adsorption tower 4 is through third vacuum pipeline 12 and 5 pipe connection of vacuum pump, be equipped with second valve 7 on the second vacuum pipeline 11 between organic solvent adsorption tower 3 and the acid gas adsorption tower 4, be equipped with third valve 8 on the third vacuum pipeline 12 between acid gas adsorption tower 4 and the vacuum pump 5, first valve 6, second valve 7 and third valve 8 are the ball valve, first vacuum pipeline 10, second vacuum pipeline 11, third vacuum pipeline 12 are the PPR pipe.
The working principle of the utility model is as follows:
annotate liquid machine 1 and annotate the in-process that liquid machine 2 sealed the battery, operation such as evacuation need be carried out to the battery to vacuum pump 5, open first valve 6, second valve 7, third valve 8, a small amount of electrolyte can pass through steel wire hose 9 and first vacuum pipeline 10 along with the air, then get into organic solvent adsorption tower 3 bottom, through active carbon adsorption, reach the filter effect to organic waste gas, discharge by organic solvent adsorption tower 3 top, carry in acid gas adsorption tower 4 through second vacuum pipeline 11, through ferric oxide, alkaline material such as calcium hydroxide carries out effective processing to gases such as hydrofluoric acid, make the gas that reaches vacuum pump 5 can not cause the damage to vacuum pump 5.
While the utility model has been described in detail and with reference to specific embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the utility model.

Claims (9)

1. The utility model provides a lithium ion battery annotates liquid exhaust treatment device, includes annotates the liquid machine, its characterized in that, annotate the liquid machine and pass through first vacuum pipeline and organic solvent adsorption tower pipe connection, organic solvent adsorption tower passes through second vacuum pipeline and acid gas adsorption tower pipe connection, acid gas adsorption tower passes through third vacuum pipeline and vacuum pump pipe connection.
2. The lithium ion battery electrolyte injection waste gas treatment device according to claim 1, characterized in that: the first vacuum pipeline connected with the organic solvent adsorption tower inlet is also connected with the pipe of the sealing machine.
3. The lithium ion battery electrolyte injection waste gas treatment device according to claim 2, characterized in that: annotate liquid machine and capper gas vent and be equipped with the steel wire hose, the steel wire hose passes through first valve access first vacuum pipe.
4. The lithium ion battery electrolyte injection waste gas treatment device according to claim 1, characterized in that: the first vacuum pipeline, the second vacuum pipeline and the third vacuum pipeline are all PPR pipes.
5. The lithium ion battery electrolyte injection waste gas treatment device according to claim 1, characterized in that: and the organic solvent adsorption tower is filled with activated carbon.
6. The lithium ion battery electrolyte injection waste gas treatment device according to claim 1, characterized in that: and the acid gas adsorption tower is filled with granular oxides and alkaline substances.
7. The lithium ion battery electrolyte injection waste gas treatment device according to claim 2, characterized in that: and the inlets and outlets of the organic solvent adsorption tower and the acid gas adsorption tower are respectively arranged at the bottom and the top.
8. The lithium ion battery liquid injection waste gas treatment device according to claim 3, characterized in that: and a second valve is arranged on a second vacuum pipeline between the organic solvent adsorption tower and the acid gas adsorption tower, and a third valve is arranged on a third vacuum pipeline between the acid gas adsorption tower and the vacuum pump.
9. The lithium ion battery electrolyte injection waste gas treatment device according to claim 8, characterized in that: the first valve, the second valve and the third valve are all ball valves.
CN202122680243.2U 2021-11-03 2021-11-03 Lithium ion battery annotates liquid exhaust treatment device Active CN216458029U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122680243.2U CN216458029U (en) 2021-11-03 2021-11-03 Lithium ion battery annotates liquid exhaust treatment device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122680243.2U CN216458029U (en) 2021-11-03 2021-11-03 Lithium ion battery annotates liquid exhaust treatment device

Publications (1)

Publication Number Publication Date
CN216458029U true CN216458029U (en) 2022-05-10

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122680243.2U Active CN216458029U (en) 2021-11-03 2021-11-03 Lithium ion battery annotates liquid exhaust treatment device

Country Status (1)

Country Link
CN (1) CN216458029U (en)

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