A lithium battery production waste liquid recovery device

Abstract

The utility model relates to a lithium battery production waste liquid recovery device, comprising a waste liquid cylinder and a gas purification cylinder, the bottom of the waste liquid cylinder and the bottom of the gas purification cylinder are connected by a connecting pipe, a first solenoid valve is installed on the connecting pipe, a primary filter plate, a first activated carbon layer and a secondary filter plate are installed in sequence from top to bottom inside the waste liquid cylinder, an electromagnetic heating seat is installed at the bottom of the gas purification cylinder, a second activated carbon layer is installed inside the gas purification cylinder, and an exhaust pipe is installed on the top of the gas purification cylinder; solid-liquid separation of the waste liquid is achieved through the waste liquid cylinder, reaction agents and waste liquid are heated by the gas purification cylinder, the reaction efficiency of the reaction agents and waste liquid is improved, and the generated gas is adsorbed at the same time, and the discharge is guaranteed to meet the standards through repeated adsorption treatment, thereby improving the waste liquid recovery efficiency and reducing environmental pollution.

Description

Technical Field

[0001] The utility model relates to the technical field of lithium battery production waste liquid recovery, in particular to a lithium battery production waste liquid recovery device. Background Art

[0002] Since the lithium battery recycling industry is an emerging industry, current treatment methods are limited, and there is a lack of reasonable, simple, low-cost and efficient water treatment processes.

[0003] Waste liquid recovery and treatment through ultrafiltration and reverse osmosis are effective, but the treatment speed is slow, the membrane cost is high, the membrane pores are easily clogged, leading to failures, the service life is short, it cannot be regenerated, and can only be replaced, and the cost of use is high. Utility Model Content

[0004] The problem solved by the utility model is to provide a lithium battery production waste liquid recovery device, which solves the technical problems that the waste liquid recovery treatment through ultrafiltration and reverse osmosis treatment has good effect, but the treatment speed is slow, the membrane cost is high, the membrane pores are easily blocked, resulting in failures, short service life, inability to regenerate, can only be replaced, and the use cost is high.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A lithium battery production waste liquid recovery device comprises a waste liquid cylinder and a gas purification cylinder, the bottom of the waste liquid cylinder and the bottom of the gas purification cylinder are connected by a connecting pipe, a first solenoid valve is installed on the connecting pipe, a primary filter plate, a first activated carbon layer and a secondary filter plate are installed in sequence from top to bottom inside the waste liquid cylinder, an electromagnetic heating seat is installed at the bottom of the gas purification cylinder, a second activated carbon layer is installed inside the gas purification cylinder, and an exhaust pipe is installed at the top of the gas purification cylinder.

[0007] Preferably, a liquid inlet pipe is installed on the top of the waste liquid cylinder, and a liquid level meter is installed on the side wall of the waste liquid cylinder.

[0008] Preferably, a gas detector is installed on the exhaust pipe.

[0009] Preferably, the exhaust pipe is connected to the reflux pipe via a diverter valve, the bottom end of the reflux pipe is connected to the gas purification cartridge, and the connection between the reflux pipe and the gas purification cartridge is located below the second activated carbon layer.

[0010] Preferably, an injection pipe is installed on the side wall of the gas purification cylinder, the top end of the injection pipe is connected to the medicine cylinder, and a second solenoid valve is installed on the injection pipe.

[0011] Preferably, a drain valve is installed at the bottom of the gas purification cylinder.

[0012] The beneficial effects of the utility model are as follows: solid-liquid separation of waste liquid is achieved through the waste liquid cylinder, reaction agents and waste liquid are heated through the gas purification cylinder, the reaction efficiency of the reaction agents and waste liquid is improved, and the generated gas is adsorbed at the same time, and the emission is guaranteed to meet the standards through repeated adsorption treatment, thereby improving the waste liquid recovery efficiency and reducing environmental pollution. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 It is a cross-sectional view of the utility model.

[0015] Legend:

[0016] 1. Waste liquid cylinder; 2. Gas purification cylinder; 3. Connecting pipe; 4. First solenoid valve; 5. Liquid inlet pipe; 6. Liquid level meter; 7. Primary filter plate; 8. First activated carbon layer; 9. Secondary filter plate; 10. Electromagnetic heating seat; 11. Second activated carbon layer; 12. Exhaust pipe; 13. Gas detector; 14. Diverter valve; 15. Reflux pipe; 16. Injection pipe; 17. Medicine cylinder; 18. Second solenoid valve. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] Specific examples are given below.

[0019] See also Figure 1 and Figure 2A lithium battery production waste liquid recovery device comprises a waste liquid cylinder 1 and a gas purification cylinder 2, wherein a liquid inlet pipe 5 is installed on the top of the waste liquid cylinder 1, a liquid level meter 6 is installed on the side wall of the waste liquid cylinder 1, the bottom of the waste liquid cylinder 1 and the bottom of the gas purification cylinder 2 are connected through a connecting pipe 3, a first solenoid valve 4 is installed on the connecting pipe 3, a primary filter plate 7, a first activated carbon layer 8 and a secondary filter plate 9 are installed in the waste liquid cylinder 1 from top to bottom, an electromagnetic heating seat 10 is installed at the bottom of the gas purification cylinder 2, an injection pipe 16 is installed on the side wall of the gas purification cylinder 2, the top of the injection pipe 16 is connected to the medicine cylinder 17, a second solenoid valve 18 is installed on the injection pipe 16, and the second solenoid valve 18 is opened, and the reaction reagent in the medicine cylinder 17 passes through the injection pipe 18. 16 is injected into the waste liquid cylinder 1, and the electromagnetic heating seat 10 is working for heating at the same time, and the waste liquid and the reaction agent accelerate the reaction. A second activated carbon layer 11 is installed inside the gas purification cylinder 2, and an exhaust pipe 12 is installed on the top of the gas purification cylinder 2. A gas detector 13 is installed on the exhaust pipe 12. The exhaust pipe 12 is connected with the reflux pipe 15 through a diverter valve 14. The bottom end of the reflux pipe 15 is connected with the gas purification cylinder 2, and the connection between the reflux pipe 15 and the gas purification cylinder 2 is located below the second activated carbon layer 11. The adsorbed gas is discharged through the exhaust pipe 12. After detection by the gas detector 13, the gas that does not meet the emission standards returns to the gas purification cylinder 2 through the diverter valve 14 and the reflux pipe 15 for adsorption treatment.

[0020] A drain valve is installed at the bottom of the gas purification cylinder 2 to facilitate the discharge of waste liquid in the gas purification cylinder 2.

[0021] The waste liquid enters the waste liquid cylinder 1 through the liquid inlet pipe 5, passes through the primary filter plate 7, the first activated carbon layer 8 and the secondary filter plate 9 to separate the solid waste from the liquid, and the waste liquid is collected at the bottom of the waste liquid cylinder 1. The first solenoid valve 4 is opened, and the waste liquid enters the gas purification cylinder 2 through the liquid inlet pipe 5. The second solenoid valve 18 is opened, and the reaction reagent in the reagent cylinder 17 is injected into the waste liquid cylinder 1 through the injection pipe 16. At the same time, the electromagnetic heating seat 10 works to heat, and the waste liquid and the reaction reagent accelerate the reaction. The generated gas will be adsorbed by the second activated carbon layer 11, and the adsorbed gas will be discharged through the exhaust pipe 12. After detection by the gas detector 13, the gas that does not meet the emission standards will return to the gas purification cylinder 2 through the diverter valve 14 and the reflux pipe 15 for adsorption treatment.

[0022] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A lithium battery production waste liquid recovery device, characterized in that: The invention comprises a waste liquid cylinder (1) and a gas purification cylinder (2), wherein the bottom of the waste liquid cylinder (1) and the bottom of the gas purification cylinder (2) are connected via a connecting pipe (3), a first electromagnetic valve (4) is installed on the connecting pipe (3), a primary filter plate (7), a first activated carbon layer (8) and a secondary filter plate (9) are installed in sequence from top to bottom inside the waste liquid cylinder (1), an electromagnetic heating seat (10) is installed at the bottom of the gas purification cylinder (2), a second activated carbon layer (11) is installed inside the gas purification cylinder (2), and an exhaust pipe (12) is installed at the top of the gas purification cylinder (2).

2. A lithium battery production waste liquid recovery device according to claim 1, characterized in that: A liquid inlet pipe (5) is installed on the top of the waste liquid barrel (1), and a liquid level meter (6) is installed on the side wall of the waste liquid barrel (1).

3. A lithium battery production waste liquid recovery device according to claim 2, characterized in that: A gas detector (13) is installed on the exhaust pipe (12).

4. A lithium battery production waste liquid recovery device according to claim 3, characterized in that: The exhaust pipe (12) is connected to the return pipe (15) via a diverter valve (14); the bottom end of the return pipe (15) is connected to the gas purification cylinder (2); and the connection between the return pipe (15) and the gas purification cylinder (2) is located below the second activated carbon layer (11).

5. A lithium battery production waste liquid recovery device according to claim 4, characterized in that: An injection pipe (16) is installed on the side wall of the gas purification cylinder (2), the top end of the injection pipe (16) is connected to the medicine cylinder (17), and a second solenoid valve (18) is installed on the injection pipe (16).

6. A lithium battery production waste liquid recovery device according to claim 5, characterized in that: A drain valve is installed at the bottom of the gas purification cylinder (2).

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