DI water circulation system for cleaning steel shell battery cell

Abstract

The utility model relates to the technical field of lithium battery production equipment, and discloses a steel shell cell cleaning DI water circulation system which comprises a constant-temperature water tank assembly, the constant-temperature water tank assembly comprises a parallel water tank, and two pneumatic valves are vertically and longitudinally arranged at the top end of the parallel water tank in cooperation with an internal water path of the parallel water tank respectively. Two pneumatic valves are longitudinally arranged at the front end and the bottom of the parallel water tank respectively, and a clean water inlet assembly is arranged at top end connectors of the two vertically-arranged pneumatic valves in a matched mode. By adopting the automatic cleaning structure design, the automatic cleaning device can be externally connected with a PLC (Programmable Logic Controller) and is provided with an accurate control system and a sensor, and a specific cleaning agent and a specific cleaning process are integrally adopted, so that residual electrolyte and other pollutants can be more effectively removed.

Description

TECHNICAL FIELD

[0001] The utility model relates to lithium battery production equipment technical field, concretely is a kind of steel shell battery cell cleaning DI water circulation system. BACKGROUND

[0002] The capacity of present energy storage lithium battery is made more and more large, and the liquid injection amount is large, part of production factory adopts cup type one-time liquid injection or twice liquid injection process, and large capacity battery needs multiple circulation mechanical movement cumulative liquid injection or fractional liquid injection, the error value in multiple circulation mechanical movement cumulative cannot keep circulation liquid injection precision, exhaust operation is not completely executed, gas can be left in battery cell, electrolyte cannot be evenly distributed when injecting, to form residue on the surface of steel shell, too fast liquid injection speed or excessive liquid injection amount can also cause electrolyte to splash or overflow when flowing in battery cell, to form residue on the surface of steel shell. SUMMARY

[0003] (One) the technical problem solved.

[0004] In view of the deficiencies of the prior art, the utility model provides a kind of steel shell battery cell cleaning DI water circulation system, solve the problem raised in background art.

[0005] (Two) technical scheme.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of steel shell battery cell cleaning DI water circulation system, including thermostatic water tank component, the thermostatic water tank component includes one parallel water tank, two pneumatic valves are vertically arranged and longitudinally arranged respectively in the parallel water tank top end cooperation its internal waterway, two pneumatic valves are longitudinally arranged respectively in the parallel water tank front end and bottom, the top end interface of two pneumatic valves vertically arranged is cooperated with cleaning water inlet component, the front end interface of two pneumatic valves longitudinally arranged in top end is cooperated with thermostatic water recovery filter component, the front end interface of two pneumatic valves longitudinally arranged in front end is cooperated with cleaning water output component, the front end interface of two pneumatic valves longitudinally arranged in bottom is cooperated with waste water discharge component.

[0007] As the further scheme of the utility model: temperature sensor, liquid level sensor, PH detector and electric conductivity detector are arranged in the parallel water tank in cooperation with its built-in waterway, a group of heating pipes are arranged in the middle of the parallel water tank in cooperation with the outside of its built-in waterway, and the three heating pipes are arranged in parallel.

[0008] As the further scheme of the utility model: the cleaning water inlet component includes first filter water pump, the front end interface of the first filter water pump is connected to corresponding two pneumatic valves via pipeline, the top end interface of the first filter water pump is connected to solenoid valve via pipeline, and first water hammer is arranged on the upper end pipeline of solenoid valve.

[0009] As a further scheme of the utility model: the constant temperature water recovery filter assembly includes second filter water pump, one-way valve is connected to the front end interface of second filter water pump, the top end interface of second filter water pump is connected three-stage filter via pipeline, the front end interface of three-stage filter is connected corresponding two pneumatic valves via pipeline.

[0010] As a further scheme of the utility model: the waste water discharge assembly includes third filter water pump, the front end interface of third filter water pump is connected corresponding two pneumatic valves via pipeline, second water hammer is arranged at the upper end interface of third filter water pump.

[0011] As a further scheme of the utility model: the clean water output assembly includes fourth filter water pump, the front end interface of fourth filter water pump is connected corresponding two pneumatic valves via pipeline, third water hammer is arranged at the upper end interface of fourth filter water pump.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] In the utility model, through adopting the automatic cleaning structure design, can be connected with PLC, and is equipped with accurate control system and sensor, adopts specific cleaning agent and cleaning process as a whole, can remove residual electrolyte and other pollutants more effectively, can improve the production efficiency of steel shell electric core cleaning, guarantees the cleaning quality, reduces the influence of electrolyte residue on electric core performance, the whole can adapt to large-scale production demand, and gives consideration to environmental protection and reduces production cost demand. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is the overall perspective drawing of the utility model;

[0015] Fig. 2 It is the constant temperature water tank assembly perspective drawing of the utility model;

[0016] Fig. 3 It is the clean water inlet assembly perspective drawing of the utility model;

[0017] Fig. 4 It is the constant temperature water recovery filter assembly perspective drawing of the utility model;

[0018] Fig. 5 It is the waste water discharge assembly perspective drawing of the utility model;

[0019] Fig. 6 It is the clean water output assembly perspective drawing of the utility model.

[0020] In the figure: 1, constant temperature water tank assembly; 2, clean water inlet assembly; 3, constant temperature water recycling filter assembly; 4, waste water discharge assembly; 5, clean water output assembly; 11, parallel water tank; 12, pneumatic valve; 21, first filter water pump; 22, electromagnetic valve; 23, first water hammer; 31, second filter water pump; 32, check valve; 33, three-stage filter; 41, third filter water pump; 42, second water hammer; 51, fourth filter water pump; 52, third water hammer. DETAILED DESCRIPTION

[0021] The embodiments of the present application will be further described below in conjunction with the drawings and examples. The following examples are used to illustrate the present application, but cannot be used to limit the scope of the present application.

[0022] In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more; the orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" and the like are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0023] In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0024] Please refer to Figs. 1-6The utility model discloses an embodiment of a kind of steel shell electric core cleaning DI water circulation system, including thermostatic water tank component 1, thermostatic water tank component 1 includes one parallel water tank 11, and two pneumatic valves 12 are vertically and longitudinally arranged respectively in parallel water tank 11 top end cooperation its internal waterway, two pneumatic valves 12 are longitudinally arranged respectively in parallel water tank 11 front end and bottom, and the top end interface of vertically arranged two pneumatic valves 12 is cooperated with cleaning water inlet component 2 and is arranged, the top end interface of longitudinally arranged two pneumatic valves 12 is cooperated with thermostatic water recovery filter component 3 and is arranged, the front end interface of longitudinally arranged two pneumatic valves 12 is cooperated with cleaning water output component 5 and is arranged, the front end interface of longitudinally arranged two pneumatic valves 12 is cooperated with waste water discharge component 4 and is arranged, can be connected with PLC, and be equipped with accurate control system and sensor, overall use specific cleaning agent and cleaning process, can more effectively remove residual electrolyte and other pollutants.

[0025] Temperature sensor, liquid level sensor, PH detector and electric conductivity detector are arranged in parallel water tank 11 cooperation its built-in waterway, and a group of heating pipes are arranged in the middle of parallel water tank 11 cooperation its built-in waterway outside, and the group of heating pipes are three and are arranged in parallel, cleaning water with constant PH value is collected to thermostatic water tank, that is, parallel water tank 11, temperature sensor can monitor water temperature, and cooperate with heating pipe to keep water temperature constant, PH detector and electric conductivity detector water quality, liquid level sensor detects water level, controls water level, and pneumatic valve 12 controls water flow opening and closing.

[0026] Cleaning water inlet component 2 includes first filter water pump 21, and the front end interface of first filter water pump 21 is connected with corresponding two pneumatic valves 12 via pipeline, and the top end interface of first filter water pump 21 is connected with electromagnetic valve 22 via pipeline, and first water hammer 23 is arranged on the upper end pipeline of electromagnetic valve 22, and water is supplied, and cleaning water with constant PH value is collected to thermostatic water tank, and water hammer prevents starting moment to produce excessive impact force on electromagnetic valve 22, to avoid electromagnetic valve 22 damage.

[0027] Thermostatic water recovery filter component 3 includes second filter water pump 31, and the front end interface of second filter water pump 31 is connected with one-way valve 32, and the top end interface of second filter water pump 31 is connected with three-stage filter 33 via pipeline, and the front end interface of three-stage filter 33 is connected with corresponding two pneumatic valves 12 via pipeline, and the whole can recycle cleaning water after use to water tank, and three-stage filter 33 recycles and filters cleaning water.

[0028] Waste water discharge component 4 includes third filter water pump 41, and the front end interface of third filter water pump 41 is connected with corresponding two pneumatic valves 12 via pipeline, and second water hammer 42 is arranged at the upper end interface of third filter water pump 41, and water tank detects unqualified water quality, and starts drainage program, and carries out drainage work.

[0029] The clean water output assembly 5 comprises a fourth filtered water pump 51, the front end interface of the fourth filtered water pump 51 is connected with the corresponding two pneumatic valves 12 through a pipeline, a third water hammer 52 is arranged at the upper end interface of the fourth filtered water pump 51, and constant PH value clean water is output to the cleaning station; the water hammer prevents the electromagnetic valve 22 from being subjected to excessive impact force at the starting moment, and damage of the electromagnetic valve 22 is avoided.

[0030] The working principle of the utility model is: the clean water with constant PH value is collected to the constant temperature water tank, after keeping constant temperature, the electromagnetic valve 22 controls the output of water flow to the cleaning station, the cleaned water is recycled to the constant temperature water tank through the three-stage filter 33, the constant temperature water tank detects the PH value of the clean water in real time, the sensor is abnormally alarmed and the used clean water is discharged, new clean water is added again, residual electrolyte and other pollutants can be removed more effectively, and the production efficiency of the steel shell battery cell cleaning can be improved.

[0031] The above is only the preferred specific implementation manner of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

Claims

1. A steel-shell battery cell cleaning DI water circulation system, comprising a constant temperature water tank assembly (1); Its features are: The constant temperature water tank assembly (1) includes a parallel water tank (11). The top of the parallel water tank (11) is equipped with two pneumatic valves (12) arranged vertically and longitudinally respectively to cooperate with its internal water passage. The front end and bottom of the parallel water tank (11) are equipped with two pneumatic valves (12) arranged longitudinally respectively. The top interfaces of the two vertically arranged pneumatic valves (12) are equipped with a cleaning water inlet assembly (2), and the front interfaces of the two vertically arranged pneumatic valves (12) are equipped with a constant temperature water recovery filter assembly (3). The front interfaces of the two pneumatic valves (12) arranged vertically at the front end are equipped with a clean water output component (5), and the front interfaces of the two pneumatic valves (12) arranged vertically at the bottom are equipped with a waste water discharge component (4).

2. The DI water circulation system for cleaning steel-cased battery cells according to claim 1, characterized in that: The parallel water tank (11) is equipped with a temperature sensor, a liquid level sensor, a pH meter and a conductivity meter in conjunction with its built-in water circuit.

3. The DI water circulation system for cleaning steel-cased battery cells according to claim 1, characterized in that: The parallel water tank (11) has a set of heating tubes arranged in the middle of its internal water passage. The set of heating tubes consists of three tubes arranged in parallel.

4. The DI water circulation system for cleaning steel-cased battery cells according to claim 1, characterized in that: The cleaning water inlet assembly (2) includes a first water pump with filter (21), the front end interface of which is connected to two corresponding pneumatic valves (12) via a pipe.

5. A DI water circulation system for cleaning steel-cased battery cells according to claim 4, characterized in that: The top interface of the first filter pump (21) is connected to a solenoid valve (22) via a pipe, and a first water hammer (23) is provided at the upper end of the pipe of the solenoid valve (22).

6. The DI water circulation system for cleaning steel-cased battery cells according to claim 1, characterized in that: The constant temperature water recovery filtration assembly (3) includes a second belt filter water pump (31), and a one-way valve (32) is connected to the front end interface of the second belt filter water pump (31).

7. A DI water circulation system for cleaning steel-cased battery cells according to claim 6, characterized in that: The top interface of the second filter pump (31) is connected to the third-stage filter (33) via a pipe, and the front interface of the third-stage filter (33) is connected to two corresponding pneumatic valves (12) via a pipe.

8. The DI water circulation system for cleaning steel-cased battery cells according to claim 1, characterized in that: The wastewater discharge assembly (4) includes a third belt filter pump (41), the front end interface of the third belt filter pump (41) is connected to two corresponding pneumatic valves (12) via a pipe, and a second water hammer (42) is provided at the upper end interface of the third belt filter pump (41).

9. A DI water circulation system for cleaning steel-cased battery cells according to claim 1, characterized in that: The clean water output component (5) includes a fourth belt filter water pump (51), the front end interface of the fourth belt filter water pump (51) is connected to two corresponding pneumatic valves (12) via a pipe, and a third water hammer (52) is provided at the upper end interface of the fourth belt filter water pump (51).

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