CN111342157A - Lead-acid storage battery container formation cooling water circulation system and control method - Google Patents
Lead-acid storage battery container formation cooling water circulation system and control method Download PDFInfo
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- CN111342157A CN111342157A CN202010092722.XA CN202010092722A CN111342157A CN 111342157 A CN111342157 A CN 111342157A CN 202010092722 A CN202010092722 A CN 202010092722A CN 111342157 A CN111342157 A CN 111342157A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
- H01M10/446—Initial charging measures
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/06—Lead-acid accumulators
- H01M10/12—Construction or manufacture
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6567—Liquids
- H01M10/6568—Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Chemical Kinetics & Catalysis (AREA)
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- General Chemical & Material Sciences (AREA)
Abstract
The invention relates to a lead-acid storage battery container formation cooling water circulation system and a control method thereof, wherein the system comprises a formation tank, a water treatment tank, a water storage tank, a heat exchanger and a circulating water tank which are sequentially communicated, wherein water in the water storage tank is delivered to the formation tank through a water suction pump B; the reservoir is also connected with the heat exchanger; the heat exchanger is connected with the circulating water pool. According to the control method, when the water temperature in the water storage tank exceeds the standard, the water in the water storage tank flows back to the water storage tank after being cooled by the heat exchanger. The cooling of cooperation heat exchanger is supporting to be provided with the circulating water pond, and the circulating water pond is responsible for when the heat exchanger is for the water cooling in the cistern, provides cooling water, and the cooling water in circulating water pond becomes hot water behind the heat exchanger, and hot water flows back to the circulating water pond once more, realizes the circulation. The invention effectively improves the cooling water temperature problem and ensures the quality of the battery, and on the other hand, the formed cooling water is recycled, thereby saving water, avoiding the influence on soil deterioration caused by direct on-site discharge and protecting the environment.
Description
Technical Field
The invention relates to a cooling water circulation system for container formation of a lead-acid storage battery and a control method, and belongs to the technical field of container formation of the lead-acid storage battery.
Background
At present, most storage battery enterprises in China adopt an internal formation process in the formation section of lead-acid storage battery production, but the temperature control of cooling water in a formation tank has no good solution and the treatment mode of the cooling water can not be paid attention by production enterprises, so that the product quality is influenced due to overhigh cooling water temperature in the formation process of the lead-acid storage battery, and the cooling water is discharged on site to pollute soil and influence the environment.
Therefore, a need exists for an internal formation cooling water circulation system for a lead-acid battery to solve the above problems.
Disclosure of Invention
In order to solve the technical problems, the invention provides an internal formation cooling water circulation system of a lead-acid storage battery and a control method, and the specific technical scheme is as follows:
the utility model provides a lead acid battery internalization becomes cooling water circulation system which characterized in that: comprises a formation tank, a water treatment pool, a reservoir, a heat exchanger and a circulating water pool, wherein a temperature sensor A, a temperature sensor B and a temperature sensor C are sequentially arranged in the formation tank, the formation tank and the water treatment pool through a pipeline, the pipeline is provided with a water suction pump A and an electric butterfly valve A, the formation tank is also connected with a water suction pump B, the water suction pump B is used for supplementing cooling water towards the formation tank,
the water treatment tank and the reservoir are communicated through a pipeline which is provided with a gate valve I,
the water storage tank is connected with a water suction pump B through a pipeline, and water in the water storage tank is pumped to the chemical synthesis tank through the water suction pump B;
the reservoir is also connected with a water inlet pipeline of the heat exchanger;
the heat exchanger is connected with a circulating water tank, and the circulating water tank provides cooling water for the heat exchanger.
Further, the pipeline of cistern and suction pump B is provided with electric butterfly valve B, at electric butterfly valve B's low reaches pipeline through connection branch pipeline of being connected with the heat exchanger all the way, and this branch pipeline sets up electric butterfly valve F.
Further, a cold water outlet pipe of the heat exchanger is connected to the water reservoir.
Furthermore, the water outlet pipeline of the circulating water tank is divided into two paths, one path is provided with an air cooler and an electric butterfly valve D, the other path is provided with an electric butterfly valve E, the two paths are connected with the circulating water pump in a parallel mode, and the water outlet end of the circulating water pump is connected with the water inlet of the heat exchanger through a pipeline.
Further, still include integrated control ware, integrated control ware difference control connection electric butterfly valve A, suction pump A, electric butterfly valve B, electric butterfly valve C, suction pump B, electric butterfly valve D, electric butterfly valve E and electric butterfly valve F, integrated control ware connects temperature sensor A, temperature sensor B and temperature sensor C, receives temperature sensor A, temperature sensor B and temperature sensor C's instant temperature to make corresponding instruction according to the temperature.
The method for controlling the formation cooling water circulation in the lead-acid storage battery is based on the formation cooling water circulation system in the lead-acid storage battery and comprises the following steps:
the method comprises the following steps: when the temperature sensor A detects that the temperature of water in the chemical synthesis tank is higher, the integrated controller can simultaneously transmit signals to the electric butterfly valve A, the water suction pump A and the water suction pump B, the valve of the electric butterfly valve A is automatically opened, the water suction pump A is started to pump water in the chemical synthesis tank, then the water is treated by the water treatment tank and flows into the water storage tank, and meanwhile, the water suction pump B is started to replenish cooling water in the chemical synthesis tank;
step two: when the temperature sensor B detects that the water temperature of the reservoir is within a cooling range, the valve of the electric butterfly valve B is automatically opened, and at the moment, the water pumped by the water pump B is the water in the reservoir;
step three: when the temperature sensor B detects that the water temperature of the reservoir is not in a cooling range, the valve C of the electric butterfly valve is automatically opened, water in the reservoir is cooled by the heat exchanger in a circulating mode, water pumped by the water suction pump B is cooled by the heat exchanger, meanwhile, the valve F of the electric butterfly valve is automatically opened, the circulating water pump starts the circulating water tank to circulate, and the purpose of water cooling is achieved through the heat exchanger;
step four: when the temperature sensor C detects that the water temperature in the circulating water tank is within the cooling range, the valve E of the electric butterfly valve is automatically opened, the circulating water pump directly extracts water in the circulating water tank at the moment, when the temperature sensor C detects that the water temperature in the circulating water tank is not within the cooling range, the air cooling machine is started, the valve D of the electric butterfly valve is automatically opened, the water in the circulating water tank is cooled by the air cooling machine firstly, then is extracted by the circulating water pump, and finally is conveyed to the heat exchanger.
The working principle of the invention is as follows:
the invention designs a water path circulating system which can automatically control the water temperature by supplementing cooling water, when the water temperature in the formation tank rises, a water suction pump B is responsible for supplementing cold water, and a water suction pump A pumps high-temperature water in the formation tank, thereby ensuring the stability of the liquid level in the formation tank.
Simultaneously, the high temperature water that is taken out by suction pump A realizes the cooling through water treatment pond and cistern to the storage is in the cistern, treats that suction pump B extracts the use, when suction pump B need start for forming the groove moisturizing, and the temperature in the cistern fails to reduce when appointed low temperature, at this moment, starts the water in the cistern and carries the heat exchanger, forces the cooling for the water in the cistern with the heat exchanger, and the water after the cooling flows back again in the cistern.
The cooling of cooperation heat exchanger is supporting to be provided with the circulating water pond, and the circulating water pond is responsible for when the heat exchanger is for the water cooling in the cistern, provides cooling water, and the cooling water in circulating water pond becomes hot water behind the heat exchanger, and hot water flows back to the circulating water pond once more, realizes the circulation.
When the water temperature in the circulating water tank rises, the water temperature is reduced through the air cooling machine and then conveyed to the heat exchanger, so that the cooling effect of the heat exchanger on the water in the water storage tank is ensured.
The invention has the beneficial effects that:
the invention ensures the water temperature in the chemical synthesis tank to be stable through a waterway circulation system, reduces the water discharge in the chemical synthesis tank, realizes the water recycling, reduces the discharge amount and reduces the water pollution.
The invention effectively improves the cooling water temperature problem and ensures the quality of the battery, and on the other hand, the formed cooling water is recycled, thereby saving water, avoiding the influence on soil deterioration caused by direct on-site discharge and protecting the environment.
Drawings
Figure 1 is a connection state diagram of the present invention,
in the figure: 1-chemical tank, 2-temperature sensor A, 3-electric butterfly valve A, 4-water pump A, 5-water treatment tank, 6-water storage tank, 7-temperature sensor B, 8-electric butterfly valve B, 9-electric butterfly valve C, 10-heat exchanger, 11-water pump B, 12-circulating water tank, 13-temperature sensor C, 14-air cooler, 15-electric butterfly valve D, 16-electric butterfly valve E, 17-circulating water pump, 18-electric butterfly valve F, 19-integrated controller, 20-gate valve A, 21-gate valve B, 22-gate valve C, 23-gate valve D, 24-gate valve E, 25-gate valve F, 26-gate valve G, 27-gate valve H, 28-gate valve I, 29-gate valve J, and 30-gate valve K.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
As shown in fig. 1, the internal formation cooling water circulation system of the lead-acid storage battery comprises a formation tank 1, a water treatment tank 5, a water storage tank 6, a heat exchanger 10 and a circulating water tank 12, wherein a temperature sensor A2, a temperature sensor B7 and a temperature sensor C13 are sequentially arranged in the formation tank 1, the water storage tank 6 and the circulating water tank 12, the formation tank 1 is connected with the water treatment tank 5 through a pipeline, the pipeline is provided with a water pump a4 and an electric butterfly valve A3, the formation tank 1 is further connected with a water pump B11, and the water pump B11 is used for supplementing cooling water into the formation tank 1.
The water treatment tank 5 and the water reservoir 6 are connected through a pipeline, and the pipeline is provided with a gate valve I28.
The water storage tank 6 is connected with a water suction pump B11 through a pipeline, and water in the water storage tank 6 is pumped to the chemical tank 1 through the water suction pump B11.
The water treatment tank 5 is pumped to the water treatment tank 1 through the water suction pump A4 after the water temperature in the formation tank 1 rises, the water flows to the water storage tank 6 again, the water temperature is reduced in the process, the water is pumped back to the formation tank 1 through the water suction pump A4, and if the water temperature in the water storage tank 6 is not timely reduced to the cooling water temperature, the water is conveyed to the heat exchanger 10 to be forcibly cooled.
An electric butterfly valve B8 is arranged on a pipeline between the water storage tank 6 and the water suction pump B11, a branch pipeline connected with the heat exchanger 10 is connected with a downstream pipeline of the electric butterfly valve B8 in a penetrating way, an electric butterfly valve F18 is arranged on the branch pipeline, and the branch pipeline is connected with the heat exchanger 10. When the temperature sensor B7 in the water storage tank 6 detects that the water temperature in the water storage tank 6 does not meet the requirement, the electric butterfly valve F18 is opened to allow the water in the water storage tank 6 to enter the heat exchanger 10, the water is cooled in the heat exchanger 10 and then flows back to the water storage tank 6 for standby, and the backflow pipeline is provided with a gate valve J29.
The heat exchanger 10 realizes heat exchange, is provided with a circulating water tank 12, the circulating water tank 12 provides cooling water for the heat exchanger 10, the cooling water enters the circulating water tank 12 through a return pipeline after being subjected to heat exchange, and the return pipeline is provided with a gate valve K30.
The temperature sensor C13 is arranged in the circulating water tank 12, a water outlet pipeline of the circulating water tank 12 is divided into two paths, one path is provided with the air cooler 14 and the electric butterfly valve D15, the other path is provided with the electric butterfly valve E16, the two paths are connected with the circulating water pump 17 in a parallel mode, and a water outlet end of the circulating water pump 17 is connected with a water inlet of the heat exchanger 10 through a pipeline. When the water temperature measured by the temperature sensor C13 is the cooling water temperature, the electric butterfly valve D15 and the air cooler 14 are closed, the water directly enters the heat exchanger 10 through the electric butterfly valve E16 pipeline, when the water temperature measured by the temperature sensor C13 is higher than the cooling water temperature, the electric butterfly valve E16 pipeline is closed, the electric butterfly valve D15 and the air cooler 14 are opened, and the water is cooled by the air cooler 14 and then enters the heat exchanger 10.
For the inside liquid level control in washing convenience and each pond, it is provided with the drain pipe to change 1 bottoms in groove, this drain pipe is provided with gate valve C22, the drain pipe of water treatment pond 5 bottoms sets up gate valve D23, cistern 6 is provided with the inlet tube, be provided with gate valve A20 on the inlet tube, the drain pipe of cistern 6 bottoms sets up gate valve E24, two tunnel waterways in heat exchanger 10 set up respective drain pipe respectively, and two drain pipes are provided with gate valve F25 and gate valve G26 respectively, the drain pipe of circulation pond 12 bottoms sets up gate valve H27.
In order to realize the automatic control of the water suction pump A4, the water suction pump B11, the circulating water pump 17 and each electric butterfly valve, the system is further provided with an integrated controller 19, the integrated controller 19 is respectively connected with the electric butterfly valve A3, the water suction pump A4, the electric butterfly valve B8, the electric butterfly valve C9, the water suction pump B11, the electric butterfly valve D15, the electric butterfly valve E16 and the electric butterfly valve F18 in a control mode, the integrated controller 19 is connected with the temperature sensor A2, the temperature sensor B7 and the temperature sensor C13, receives the instant temperatures of the temperature sensor A2, the temperature sensor B7 and the temperature sensor C13 and makes corresponding instructions according to the temperatures.
The method for controlling the formation cooling water circulation in the lead-acid storage battery is based on the formation cooling water circulation system in the lead-acid storage battery and comprises the following steps:
the method comprises the following steps: when the temperature sensor A2 detects that the temperature of water in the chemical synthesis tank 1 is higher, the integrated controller 19 can simultaneously transmit signals to the electric butterfly valve A3, the water suction pump A4 and the water suction pump B11, valves of the electric butterfly valve A3 are automatically opened, the water suction pump A4 is started to pump water in the chemical synthesis tank 1, then the water is treated by the water treatment tank 5 and flows into the reservoir 6, and meanwhile, the water suction pump B11 is started to replenish cooling water in the chemical synthesis tank 1;
step two: when the temperature sensor B7 detects that the water temperature in the water storage tank 6 is in a cooling range, the valve of the electric butterfly valve B8 is automatically opened, and at the moment, the water pumped by the water pump B11 is the water in the water storage tank 6;
step three: when the temperature sensor B7 detects that the water temperature in the reservoir 6 is not within the cooling range, the valve of the electric butterfly valve C9 is automatically opened, the water in the reservoir 6 is cooled by the heat exchanger 10 in a circulating manner, at the moment, the water pumped by the water pump B11 is the water cooled by the heat exchanger 10, meanwhile, the valve of the electric butterfly valve F18 is automatically opened, the circulating water pump 17 starts the circulating water tank 12 to circulate, and the purpose of water cooling is achieved by the heat exchanger 10;
step four: when the temperature sensor C13 detects that the water temperature in the circulating water pool 12 is within the cooling range, the valve of the electric butterfly valve E16 is automatically opened, the circulating water pump 17 directly pumps the water in the circulating water pool 12 at the moment, when the temperature sensor C13 detects that the water temperature in the circulating water pool 12 is not within the cooling range, the air cooler 14 is started, the valve of the electric butterfly valve D15 is automatically opened, the water in the circulating water pool 12 is cooled by the air cooler 14, then is pumped out by the circulating water pump 17, and finally is conveyed to the heat exchanger 10.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (6)
1. The utility model provides a lead acid battery internalization becomes cooling water circulation system which characterized in that: comprises a formation tank, a water treatment pool, a reservoir, a heat exchanger and a circulating water pool, wherein a temperature sensor A, a temperature sensor B and a temperature sensor C are sequentially arranged in the formation tank, the formation tank and the water treatment pool through a pipeline, the pipeline is provided with a water suction pump A and an electric butterfly valve A, the formation tank is also connected with a water suction pump B, the water suction pump B is used for supplementing cooling water towards the formation tank,
the water treatment tank and the reservoir are communicated through a pipeline which is provided with a gate valve I,
the water storage tank is connected with a water suction pump B through a pipeline, and water in the water storage tank is pumped to the chemical synthesis tank through the water suction pump B;
the reservoir is also connected with a water inlet pipeline of the heat exchanger;
the heat exchanger is connected with a circulating water tank, and the circulating water tank provides cooling water for the heat exchanger.
2. The lead-acid storage battery internalization cooling water circulation system of claim 1, characterized in that: the pipeline of cistern and suction pump B is provided with electric butterfly valve B, at electric butterfly valve B's low reaches pipeline through connection branch pipeline of being connected with the heat exchanger all the way, and this branch pipeline sets up electric butterfly valve F.
3. The lead-acid storage battery internalization cooling water circulation system of claim 2, characterized in that: and a cold water outlet pipe of the heat exchanger is connected to the water reservoir.
4. The lead-acid storage battery internalization cooling water circulation system of claim 1, characterized in that: the water outlet pipeline of the circulating water tank is divided into two paths, one path is provided with an air cooler and an electric butterfly valve D, the other path is provided with an electric butterfly valve E, the two paths are connected with a circulating water pump in a parallel mode, and the water outlet end of the circulating water pump is connected with the water inlet of the heat exchanger through a pipeline.
5. The lead-acid storage battery internalization cooling water circulation system of claim 1, characterized in that: still include integrated control ware, integrated control ware difference control connection electric butterfly valve A, suction pump A, electric butterfly valve B, electric butterfly valve C, suction pump B, electric butterfly valve D, electric butterfly valve E and electric butterfly valve F, integrated control ware connects temperature sensor A, temperature sensor B and temperature sensor C, receives temperature sensor A, temperature sensor B and temperature sensor C's instant temperature to make corresponding instruction according to the temperature.
6. A lead-acid storage battery internal formation cooling water circulation control method based on the lead-acid storage battery internal formation cooling water circulation system of any claim is characterized in that: the method comprises the following steps:
the method comprises the following steps: when the temperature sensor A detects that the temperature of water in the chemical synthesis tank is higher, the integrated controller can simultaneously transmit signals to the electric butterfly valve A, the water suction pump A and the water suction pump B, the valve of the electric butterfly valve A is automatically opened, the water suction pump A is started to pump water in the chemical synthesis tank, then the water is treated by the water treatment tank and flows into the water storage tank, and meanwhile, the water suction pump B is started to replenish cooling water in the chemical synthesis tank;
step two: when the temperature sensor B detects that the water temperature of the reservoir is within a cooling range, the valve of the electric butterfly valve B is automatically opened, and at the moment, the water pumped by the water pump B is the water in the reservoir;
step three: when the temperature sensor B detects that the water temperature of the reservoir is not in a cooling range, the valve C of the electric butterfly valve is automatically opened, water in the reservoir is cooled by the heat exchanger in a circulating mode, water pumped by the water suction pump B is cooled by the heat exchanger, meanwhile, the valve F of the electric butterfly valve is automatically opened, the circulating water pump starts the circulating water tank to circulate, and the purpose of water cooling is achieved through the heat exchanger;
step four: when the temperature sensor C detects that the water temperature in the circulating water tank is within the cooling range, the valve E of the electric butterfly valve is automatically opened, the circulating water pump directly extracts water in the circulating water tank at the moment, when the temperature sensor C detects that the water temperature in the circulating water tank is not within the cooling range, the air cooling machine is started, the valve D of the electric butterfly valve is automatically opened, the water in the circulating water tank is cooled by the air cooling machine firstly, then is extracted by the circulating water pump, and finally is conveyed to the heat exchanger.
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| CN202010092722.XA CN111342157B (en) | 2020-02-14 | 2020-02-14 | Lead-acid storage battery internal formation cooling water circulation system and control method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010092722.XA CN111342157B (en) | 2020-02-14 | 2020-02-14 | Lead-acid storage battery internal formation cooling water circulation system and control method |
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| CN111342157A true CN111342157A (en) | 2020-06-26 |
| CN111342157B CN111342157B (en) | 2023-10-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111969281A (en) * | 2020-08-27 | 2020-11-20 | 界首市南都华宇电源有限公司 | Vertical rotary cooling system for lead-acid battery |
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| JP2000195508A (en) * | 1998-12-24 | 2000-07-14 | Matsushita Electric Ind Co Ltd | Chemical formation method and device for storage battery |
| JP2006289303A (en) * | 2005-04-13 | 2006-10-26 | Mitsubishi Materials Corp | Method and equipment for treating cooling water |
| CN203787524U (en) * | 2014-03-05 | 2014-08-20 | 超威电源有限公司 | Automatic cooling device of container formation storage battery |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111969281A (en) * | 2020-08-27 | 2020-11-20 | 界首市南都华宇电源有限公司 | Vertical rotary cooling system for lead-acid battery |
| CN111969281B (en) * | 2020-08-27 | 2022-03-29 | 界首市南都华宇电源有限公司 | Vertical rotary cooling system for lead-acid battery |
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| Publication number | Publication date |
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| CN111342157B (en) | 2023-10-03 |
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