CN113082781A

CN113082781A - Electrolyte recovery plant

Info

Publication number: CN113082781A
Application number: CN202110332539.7A
Authority: CN
Inventors: 许开华; 魏琼
Original assignee: Grammy Corp; Jingmen GEM New Material Co Ltd
Current assignee: Jingmen Power Battery Regeneration Technology Co ltd
Priority date: 2021-03-29
Filing date: 2021-03-29
Publication date: 2021-07-09

Abstract

The invention provides an electrolyte recovery apparatus, comprising: a feed hopper, a feeding temporary storage component, a battery crushing bin, a discharging temporary storage component, a discharging hopper and a nitrogen input device, the feeding temporary storage component comprises a feeding temporary storage bin, a first pneumatic gate valve is arranged at the feeding end of the feeding temporary storage bin, which is communicated with the feeding hopper, a second pneumatic gate valve is arranged at the feeding end of the feeding temporary storage bin communicated with the battery crushing bin, the first pneumatic gate valve and the second pneumatic gate valve are not opened simultaneously, the discharge temporary storage component comprises a discharge temporary storage bin, the storehouse is kept in with in the ejection of compact the feed end of play hopper intercommunication is equipped with the pneumatic push-pull valve of third, the storehouse is kept in the ejection of compact with the feed end of battery crushing storehouse intercommunication is equipped with the pneumatic push-pull valve of fourth, the pneumatic push-pull valve of third with the pneumatic push-pull valve of fourth is not opened simultaneously. The electrolytic tank is provided with the tank body, the first nitrogen input device and the air guide tube, wherein the air outlet end of the first nitrogen input device is communicated with one end of the air guide tube, the other end of the air guide tube extends below the liquid level of the tank body, and the nitrogen is blown in to roll the electrolyte so that the air in the electrolyte is completely discharged, so that the potential safety hazard can be effectively reduced, and the production safety is guaranteed.

Description

Electrolyte recovery plant

Technical Field

The invention relates to the technical field of battery recovery, in particular to electrolyte recovery equipment.

Background

When the battery can not reach the use standard, the battery needs to be broken and disassembled, and valuable parts of the battery are recycled.

In the disassembling process, electrolyte in the battery can flow out, and the flowing electrolyte is directly collected into a tank for centralized treatment in the existing treatment mode.

However, there are the following problems; the electrolyte has a low flash point, is very easy to cause combustion, and is easy to mix with air in the process of directly taking in the tank, so that the subsequent safety problem is caused.

Disclosure of Invention

The invention provides electrolyte recovery equipment, which aims to solve the problem that air is mixed in the process of collecting electrolyte.

The scheme for solving the technical problems is as follows:

an electrolyte recovery apparatus comprising:

the collecting hopper is used for collecting the electrolyte;

a storage mechanism for storing an electrolyte;

the exhaust mechanism comprises a box body, a first nitrogen input device and an air guide tube, wherein the box body is provided with a liquid inlet and a liquid outlet which are respectively communicated with the collecting hopper and the storage mechanism, the air outlet end of the first nitrogen input device is communicated with one end of the air guide tube, and the other end of the air guide tube is communicated with and extends into the liquid level below the box body.

Furthermore, a plurality of cooling fins are embedded on the inner wall of the box body, and the cooling fins cool the electrolyte in the box body.

Further, exhaust mechanism still includes the booster pump, the liquid outlet with the feed liquor end intercommunication of booster pump, the play liquid end of booster pump with store the mechanism and connect.

Further, the collection fill is including one being hopper-shaped's main part and a plurality of cooling ring, the great one end of main part is the feed end, the less one end of main part be with the discharge end of box intercommunication, the cooling ring inlays to be located on the inner wall of main part, the cooling ring is to flowing through the electrolyte of main part inner wall is cooled down.

Further, it includes holding vessel, second nitrogen gas input device to store the mechanism, be equipped with holding vessel inlet, holding vessel air inlet and holding vessel gas outlet on the holding vessel, the holding vessel inlet with the play liquid end intercommunication of booster pump, the holding vessel air inlet with second nitrogen gas input device intercommunication, second nitrogen gas input device to fill full nitrogen gas in advance in the holding vessel.

Furthermore, the cooling ring and the cooling sheet are semiconductor refrigeration sheets.

The electrolytic tank is provided with the tank body, the first nitrogen input device and the air guide tube, wherein the air outlet end of the first nitrogen input device is communicated with one end of the air guide tube, the other end of the air guide tube extends below the liquid level of the tank body, and the nitrogen is blown in to roll the electrolyte so that the air in the electrolyte is completely discharged, so that the potential safety hazard can be effectively reduced, and the production safety is guaranteed.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings. The detailed description of the present invention is given in detail by the following examples and the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:

fig. 1 is a schematic structural diagram of an electrolyte recovery apparatus according to an embodiment of the present invention.

Detailed Description

The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention. The invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. Advantages and features of the present invention will become apparent from the following description and from the claims. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention.

As shown in fig. 1, an electrolyte recovery apparatus provided in an embodiment of the present invention includes: collect and fight 1, exhaust mechanism 2, store mechanism 3, collect the discharge end of fighting 1 with exhaust mechanism 2's inlet intercommunication, exhaust mechanism 2's liquid outlet with store mechanism 3's feed end intercommunication, collect and fight 1 and be used for dismantling the in-process outflow electrolyte with the battery and collect and leading-in exhaust mechanism 2, exhaust mechanism 2 empties the air that mixes in the electrolyte, and the electrolyte that does not have the air is leading-in store mechanism 3 and keep in.

Collect 1 fill including one be funnel-shaped main part 11 and upper cover 12, the great one end of main part 11 is the feed end, upper cover 12 is fixed the tip of feed end, be equipped with a passage 13 on the upper cover 12, passage 13 one end and battery crushing equipment 4 bottom intercommunication, the passage 13 other end with collect 1 inside intercommunication of fighting, the less one end of main part 11 is the discharge end, the feed end sets up in the broken equipment of battery, and when the battery was broken, electrolyte flowed out and fell into in the main part 11, and pass through the discharge end of main part 11 flows in exhaust mechanism 2.

The collecting hopper 1 is mainly used for collecting electrolyte flowing out in the battery crushing process.

Collect fill 1 and still include a plurality of cooling rings 14 and power, cooling ring 14 inlays to be located on the inner wall of main part 11, the power with cooling ring 14 electricity is connected, cooling ring 14 refrigerates at the on-state, and the convection current is cooled down the electrolyte of main part 11 inner wall.

In this embodiment, the cooling ring 14 is a semiconductor cooling plate.

Because the battery carries out broken in-process material mutual extrusion friction and leads to electrolyte temperature to rise easily, the high temperature of electrolyte arouses the fire easily, adopts cooling ring 14 is cooled down the electrolyte of flowing through, can effectively avoid the high temperature of electrolyte to arouse the fire easily.

Exhaust mechanism 2 includes a box 21, booster pump 22, first nitrogen gas input device 23 and air duct 24, inlet 211, air inlet 213 have been seted up to the top on the box 21, liquid outlet 212 and gas vent 214 have been seted up on the lateral wall of box 21, inlet 211 with the discharge end intercommunication of main part 11, liquid outlet 212 with the inlet end intercommunication of booster pump 22, the play liquid end of booster pump 22 with storage mechanism 3 is connected, the end of giving vent to anger of first nitrogen gas input device 23 with 24 one end intercommunication of air duct, the 24 other ends of air duct pass through air inlet 213 stretches into the liquid level below of box 21, gas vent 214 department is provided with one-way discharge valve, one-way discharge valve's exhaust direction is followed in the box 21 arrive outside the box 21.

A plurality of cooling fins 12 are embedded on the inner wall of the box body 21, and the cooling fins 12 cool the electrolyte in the box body 21.

Electrolyte enters the box body 21 from the liquid inlet 211, nitrogen gas is blown into the box body 21 through the first nitrogen gas input device 23, due to the fact that one end of the gas guide pipe 24 is inserted under the liquid level of the box body 21, the electrolyte can roll through the introduced nitrogen gas, air in the electrolyte can be discharged conveniently, under the condition that enough nitrogen gas is introduced, air mixed in the electrolyte can be completely discharged from the air outlet 214, air does not exist in the box body 21, and the electrolyte without air is introduced into the storage mechanism 3 through the liquid outlet 212 and is temporarily stored.

Store mechanism 3 and include holding vessel 31, second nitrogen gas input device 32, be equipped with holding vessel inlet 311, holding vessel air inlet 312 and holding vessel gas outlet 313 on the holding vessel 31, holding vessel inlet 311 with booster pump 22's play liquid end intercommunication, holding vessel air inlet 312 with second nitrogen gas input device 32 intercommunication, second nitrogen gas input device 32 to fill in advance in the holding vessel 31 and be full of nitrogen gas, booster pump 22 lets in electrolyte in the holding vessel 31, will gradually nitrogen gas in the holding vessel 31 is followed holding vessel gas outlet 313 discharges, guarantees not have the air in the holding vessel 31 from beginning to end, can effectively reduce the potential safety hazard.

In order to save cost, in the embodiment, the second nitrogen input device 32 and the first nitrogen input device 23 are the same nitrogen input device.

During the use, will collect and fight 1 and place in the below of broken battery equipment, the electrolyte that broken battery flows out is collected through collecting fight 1 and is flowed into in the box 21, first nitrogen gas input device 23 to blowing into nitrogen gas in the box 21, the air evacuation of mixing in the electrolyte, the electrolyte that does not have the air is leading-in store mechanism 3 keeps in.

The electrolytic tank is provided with a tank body, a first nitrogen input device and an air guide pipe, wherein the air outlet end of the first nitrogen input device 23 is communicated with one end of the air guide pipe 24, the other end of the air guide pipe 24 extends below the liquid level of the tank body 21, and the nitrogen is blown in to roll the electrolyte, so that the air in the electrolyte is completely discharged, the potential safety hazard can be effectively reduced, and the production safety is guaranteed.

The foregoing is merely a preferred embodiment of the invention and is not intended to limit the invention in any manner; the present invention may be readily implemented by those of ordinary skill in the art as illustrated in the accompanying drawings and described above; however, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the scope of the invention as defined by the appended claims; meanwhile, any changes, modifications, and evolutions of the equivalent changes of the above embodiments according to the actual techniques of the present invention are still within the protection scope of the technical solution of the present invention.

Claims

1. An electrolyte recovery apparatus, comprising:

the collecting hopper is used for collecting the electrolyte;

a storage mechanism for storing an electrolyte;

2. The electrolyte recovery device according to claim 1, wherein a plurality of cooling fins are embedded on the inner wall of the box body, and the cooling fins cool the electrolyte in the box body.

3. The electrolyte recovery apparatus of claim 1, wherein the exhaust mechanism further comprises a booster pump, the liquid outlet is communicated with a liquid inlet end of the booster pump, and a liquid outlet end of the booster pump is connected with the storage mechanism.

4. The electrolyte recovery device according to claim 2, wherein the collecting hopper comprises a funnel-shaped main body and a plurality of cooling rings, the larger end of the main body is a feeding end, the smaller end of the main body is a discharging end communicated with the box body, the cooling rings are embedded on the inner wall of the main body, and the cooling rings cool the electrolyte flowing through the inner wall of the main body.

5. The electrolyte recovery equipment of claim 1, wherein the storage mechanism comprises a storage tank and a second nitrogen input device, the storage tank is provided with a storage tank liquid inlet, a storage tank air inlet and a storage tank air outlet, the storage tank liquid inlet is communicated with the liquid outlet end of the booster pump, the storage tank air inlet is communicated with the second nitrogen input device, and the storage tank is filled with nitrogen in advance by the second nitrogen input device.

6. The electrolyte recovery apparatus of claim 4, wherein the cooling ring and the cooling fins are semiconductor cooling fins.