CN111342157B - Lead-acid storage battery internal formation cooling water circulation system and control method - Google Patents
Lead-acid storage battery internal formation cooling water circulation system and control method Download PDFInfo
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- CN111342157B CN111342157B CN202010092722.XA CN202010092722A CN111342157B CN 111342157 B CN111342157 B CN 111342157B CN 202010092722 A CN202010092722 A CN 202010092722A CN 111342157 B CN111342157 B CN 111342157B
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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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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
Abstract
The invention relates to a lead-acid storage battery internal formation cooling water circulation system and a control method, 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 and completely connected, and water in the water storage tank is sent 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. The control method is that when the water temperature in the reservoir exceeds the standard, the water in the reservoir is cooled by the heat exchanger and then flows back into the reservoir. The cooling matched with the heat exchanger is provided with a circulating water tank, the circulating water tank is responsible for providing cooling water when the heat exchanger cools water in the reservoir, the cooling water in the circulating water tank is changed into hot water after passing through the heat exchanger, and the hot water flows back to the circulating water tank again to realize circulation. The invention effectively improves the cooling water temperature on one hand, ensures the quality of the battery, recycles the formed cooling water on the other hand, saves water, simultaneously avoids the influence of direct on-site discharge on soil deterioration, and protects the environment.
Description
Technical Field
The invention relates to a cooling water circulation system for internal formation of a lead-acid storage battery and a control method, and belongs to the technical field of internal formation of lead-acid storage batteries.
Background
At present, most of domestic battery enterprises adopt an internal formation process in the formation section of the production of lead-acid batteries, but no good solution is provided for the temperature control of cooling water in a formation tank and the treatment mode of the cooling water is not paid attention to the production enterprises, so that the quality of products is influenced due to overhigh cooling water temperature in the formation process of the lead-acid batteries, and the cooling water is discharged on site to pollute soil and influence the environment.
Therefore, there is a need for a lead-acid battery internalization cooling water circulation system that addresses the above-described issues.
Disclosure of Invention
In order to solve the technical problems, the invention provides a lead-acid storage battery internalization cooling water circulation system and a control method, and the specific technical scheme is as follows:
a lead-acid storage battery internal formation cooling water circulation system is characterized in that: comprises a formation groove, a water treatment pool, a water storage pool, 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 groove, the water storage pool and the circulating water pool, the formation groove is connected with 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 groove is also connected with a water suction pump B which is used for supplementing cooling water into the formation groove,
the water treatment pool and the reservoir are connected in a penetrating way through a pipeline, the pipeline is provided with a gate valve I,
the water storage tank is connected with the water suction pump B through a pipeline, and water in the water storage tank is pumped to the formation 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 electric butterfly valve B is arranged on the pipeline of the reservoir and the water suction pump B, a branch pipeline connected with the heat exchanger is connected to the downstream pipeline of the electric butterfly valve B in a through mode, and an electric butterfly valve F is arranged on the branch pipeline.
Further, a cold water outlet pipe of the heat exchanger is connected to the 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 parallel, and the water outlet end of the circulating water pump is connected with the water inlet of the heat exchanger through a pipeline.
Further, the intelligent temperature control device further comprises an integrated controller, wherein the integrated controller is respectively in control connection with the electric butterfly valve A, the water pump A, the electric butterfly valve B, the electric butterfly valve C, the water pump B, the electric butterfly valve D, the electric butterfly valve E and the electric butterfly valve F, and is connected with the temperature sensor A, the temperature sensor B and the temperature sensor C, receives the instant temperatures of the temperature sensor A, the temperature sensor B and the temperature sensor C and makes corresponding instructions according to the temperatures.
The control method for the cooling water circulation of the lead-acid storage battery internal formation comprises the following steps of:
step one: when the temperature sensor A detects that the water temperature in the formation tank is higher, the integrated controller transmits signals to the electric butterfly valve A, the water suction pump A and the water suction pump B simultaneously, the valve of the electric butterfly valve A is automatically opened, the water suction pump A starts to suck out the water in the formation tank, then the water is treated by the water treatment tank and flows into the reservoir, and meanwhile, the water suction pump B starts to supply cooling water in the formation tank;
step two: when the temperature sensor B detects that the water temperature of the reservoir is within the cooling range, the valve of the electric butterfly valve B is automatically opened, and water pumped by the water pump B is water in the reservoir;
step three: when the temperature sensor B detects that the water temperature of the reservoir is not in the cooling range, the valve of the electric butterfly valve C is automatically opened, water in the reservoir is circularly cooled by the heat exchanger, at the moment, the water pumped by the water pump B is the water cooled by the heat exchanger, meanwhile, the valve of the electric butterfly valve F is automatically opened, the circulating water pump can start the circulating water tank to circulate, and the purpose of water cooling is achieved by the heat exchanger;
step four: when the temperature sensor C detects that the water temperature in the circulating water tank is in the cooling range, the valve of the electric butterfly valve E is automatically opened, at the moment, the circulating water pump directly pumps water in the circulating water tank, when the temperature sensor C detects that the water temperature in the circulating water tank is not in the cooling range, the air cooler is started, the valve of the electric butterfly valve D is automatically opened, the water in the circulating water tank is cooled by the air cooler first and pumped by the circulating water pump, and finally the water is conveyed to the heat exchanger.
The working principle of the invention is as follows:
the invention designs a waterway circulation system for automatically controlling the water temperature by supplementing cooling water, when the water temperature in the formation tank is increased, the water pump B is responsible for supplementing cold water, and the water pump A pumps out the high temperature in the formation tank to ensure the stable liquid level in the formation tank.
Meanwhile, the high-temperature water pumped by the water pump A is cooled through the water treatment tank and the water storage tank and stored in the water storage tank, when the water pump B needs to be started to supplement water for the formation tank and the water temperature in the water storage tank cannot be reduced to the designated low temperature, at the moment, the water in the water storage tank is started to be conveyed to the heat exchanger, the water in the water storage tank is forcedly cooled by the heat exchanger, and the cooled water flows back into the water storage tank again.
The cooling matched with the heat exchanger is provided with a circulating water tank, the circulating water tank is responsible for providing cooling water when the heat exchanger cools water in the reservoir, the cooling water in the circulating water tank is changed into hot water after passing through the heat exchanger, and the hot water flows back to the circulating water tank again to realize circulation.
When the water temperature in the circulating water tank rises, the water temperature is reduced through the air cooler and then is conveyed to the heat exchanger, so that the cooling effect of the heat exchanger on the water in the reservoir is ensured.
The beneficial effects of the invention are as follows:
the invention ensures the stable water temperature in the formation tank through the waterway circulation system, reduces the water discharge in the formation tank, realizes the recycling of water, reduces the discharge amount and reduces the water pollution.
The invention effectively improves the cooling water temperature on one hand, ensures the quality of the battery, recycles the formed cooling water on the other hand, saves water, simultaneously avoids the influence of direct on-site discharge on soil deterioration, and protects the environment.
Drawings
Figure 1 is a connection state diagram of the present invention,
in the figure: 1-formation tank, 2-temperature sensor A, 3-electric butterfly valve A, 4-water suction pump A, 5-water treatment tank, 6-reservoir, 7-temperature sensor B, 8-electric butterfly valve B, 9-electric butterfly valve C, 10-heat exchanger, 11-water suction pump B, 12-circulation tank, 13-temperature sensor C, 14-air cooler, 15-electric butterfly valve D, 16-electric butterfly valve E, 17-circulation 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, 30-gate valve K.
Detailed Description
The invention will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic representations which merely illustrate the basic structure of the invention and therefore show only the structures which are relevant to the invention.
As shown in fig. 1, the lead-acid storage battery internal formation cooling water circulation system 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 suction pump A4 and an electric butterfly valve A3, the formation tank 1 is also connected with a water suction pump B11, and the water suction pump B11 is used for supplementing cooling water into the formation tank 1.
The water treatment tank 5 and the reservoir 6 are connected by a pipe through which a gate valve I28 is provided.
The reservoir 6 is connected with the water pump B11 through a pipeline, and water in the reservoir 6 is pumped to the formation tank 1 through the water pump B11.
The formation tank 1, the water treatment tank 5 and the water storage tank 6 form a closed loop circulation system through the water suction pump A4 and the water suction pump B11, after the water temperature in the formation tank 1 rises, the water is pumped to the water treatment tank 5 through the water suction pump A4 and flows to the water storage tank 6, the water temperature in the process is reduced, the water is pumped back to the formation tank 1 through the water suction pump B11, and if the water temperature in the water storage tank 6 is not reduced to the cooling water temperature in time, the water is conveyed to the heat exchanger 10 for forced cooling.
The electric butterfly valve B8 is arranged in the pipeline between the reservoir 6 and the water suction pump B11, a branch pipeline connected with the heat exchanger 10 is connected to the downstream pipeline of the electric butterfly valve B8 in a through way, and an electric butterfly valve F18 is arranged in the branch pipeline, and the branch pipeline is connected with the heat exchanger 10. When the temperature sensor B7 in the reservoir 6 detects that the water temperature in the water reservoir 6 does not meet the requirement, the electric butterfly valve F18 is opened, so that the water in the reservoir 6 enters the heat exchanger 10, and after the temperature in the heat exchanger 10 is reduced, the water flows back to the reservoir 6 for standby, and a gate valve J29 is arranged in the backflow pipeline.
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, and the cooling water enters the circulating water tank 12 through a return pipeline after heat exchange, and the return pipeline is designed with a gate valve K30.
The inside of the circulating water tank 12 is provided with a temperature sensor C13, the water outlet pipeline of the circulating water tank 12 is divided into two paths, one path is provided with an air cooler 14 and an electric butterfly valve D15, the other path is provided with an electric butterfly valve E16, the two paths are connected with a circulating water pump 17 in parallel, and the water outlet end of the circulating water pump 17 is connected with the 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, 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 enters the heat exchanger 10 after being cooled by the air cooler 14.
For cleaning convenience and liquid level adjustment in each pond, the bottom of the formation groove 1 is provided with a drain pipe, the drain pipe is provided with a gate valve C22, the drain pipe at the bottom of the water treatment pond 5 is provided with a gate valve D23, the reservoir 6 is provided with a water inlet pipe, the water inlet pipe is provided with a gate valve A20, the drain pipe at the bottom of the reservoir 6 is provided with a gate valve E24, two waterways in the heat exchanger 10 are respectively provided with respective drain pipes, and the two drain pipes are respectively provided with a gate valve F25 and a gate valve G26, and the drain pipe at the bottom of the circulating pond 12 is provided with a gate valve H27.
In order to realize automatic control of the water pump A4, the water 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 in control connection with the electric butterfly valve A3, the water pump A4, the electric butterfly valve B8, the electric butterfly valve C9, the water pump B11, the electric butterfly valve D15, the electric butterfly valve E16 and the electric butterfly valve F18, 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 control method for the cooling water circulation of the lead-acid storage battery internal formation comprises the following steps of:
step one: when the temperature sensor A2 detects that the water temperature in the formation 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, the valve of the electric butterfly valve A3 is automatically opened, the water suction pump A4 starts to pump out the water in the formation tank 1, then the water is treated by the water treatment tank 5 and flows into the water storage tank 6, and meanwhile, the water suction pump B11 starts to supply cooling water in the formation tank 1;
step two: when the temperature sensor B7 detects that the water temperature of the water reservoir 6 is within the cooling range, the valve of the electric butterfly valve B8 is automatically opened, and water pumped by the water pump B11 is water in the water reservoir 6;
step three: when the temperature sensor B7 detects that the water temperature of the water reservoir 6 is not in the cooling range, the valve of the electric butterfly valve C9 is automatically opened, water in the water reservoir 6 is circularly cooled by the heat exchanger 10, at the moment, the water extracted by the water suction 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 can start 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 tank 12 is in the cooling range, the valve of the electric butterfly valve E16 is automatically opened, at the moment, the circulating water pump 17 directly pumps the water in the circulating water tank 12, when the temperature sensor C13 detects that the water temperature in the circulating water tank 12 is not in 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 tank 12 is cooled by the air cooler 14, and then pumped out by the circulating water pump 17, and finally the water is conveyed to the heat exchanger 10.
With the above-described preferred embodiments according to the present invention as an illustration, the above-described descriptions can be used by persons skilled in the relevant art to make various changes and modifications without departing from the scope of the technical idea of the present invention. The technical scope of the present invention is not limited to the description, but must be determined according to the scope of claims.
Claims (4)
1. The control method for the cooling water circulation of the lead-acid storage battery internal formation is based on a cooling water circulation system of the lead-acid storage battery internal formation and is characterized in that: the lead-acid storage battery internal formation cooling water circulation system comprises a formation groove, a water treatment tank, a water storage tank, a heat exchanger and a circulation water tank, wherein a temperature sensor A, a temperature sensor B and a temperature sensor C are sequentially arranged in the formation groove, the water storage tank and the circulation water tank, the formation groove is connected with the water treatment tank through a pipeline, the pipeline is provided with a water suction pump A and an electric butterfly valve A, the formation groove is also connected with a water suction pump B, the water suction pump B is used for supplementing cooling water towards the formation groove, the water treatment tank and the water storage tank are in through connection through a pipeline, the pipeline is provided with a gate valve I, the water storage tank is connected with the water suction pump B through a pipeline, and water in the water storage tank is pumped to the formation groove 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, the circulating water tank provides cooling water for the heat exchanger, a 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 parallel, and a water outlet end of the circulating water pump is connected with a water inlet of the heat exchanger through a pipeline;
the method comprises the following steps:
step one: when the temperature sensor A detects that the water temperature in the formation tank is higher, the integrated controller transmits signals to the electric butterfly valve A, the water suction pump A and the water suction pump B simultaneously, the valve of the electric butterfly valve A is automatically opened, the water suction pump A starts to suck out the water in the formation tank, then the water is treated by the water treatment tank and flows into the reservoir, and meanwhile, the water suction pump B starts to supply cooling water in the formation tank; step two: when the temperature sensor B detects that the water temperature of the reservoir is within the cooling range, the valve of the electric butterfly valve B is automatically opened, and water pumped by the water pump B is water in the reservoir; step three: when the temperature sensor B detects that the water temperature of the reservoir is not in the cooling range, the valve of the electric butterfly valve C is automatically opened, water in the reservoir is circularly cooled by the heat exchanger, at the moment, the water pumped by the water pump B is the water cooled by the heat exchanger, meanwhile, the valve of the electric butterfly valve F is automatically opened, the circulating water pump can start the circulating water tank to circulate, and the purpose of water cooling is achieved by the heat exchanger; step four: when the temperature sensor C detects that the water temperature in the circulating water tank is in the cooling range, the valve of the electric butterfly valve E is automatically opened, at the moment, the circulating water pump directly pumps water in the circulating water tank, when the temperature sensor C detects that the water temperature in the circulating water tank is not in the cooling range, the air cooler is started, the valve of the electric butterfly valve D is automatically opened, the water in the circulating water tank is cooled by the air cooler first and pumped by the circulating water pump, and finally the water is conveyed to the heat exchanger.
2. The lead-acid storage battery internalization cooling water circulation control method according to claim 1, wherein: the electric butterfly valve B is arranged on the pipeline between the reservoir and the water suction pump B, a branch pipeline connected with the heat exchanger is connected to the downstream pipeline of the electric butterfly valve B in a through mode, and an electric butterfly valve F is arranged on the branch pipeline.
3. The lead-acid storage battery internalization cooling water circulation control method according to claim 2, characterized in that: a cold water outlet pipe of the heat exchanger is connected to the reservoir.
4. The lead-acid storage battery internalization cooling water circulation control method according to claim 1, wherein: the integrated controller is respectively in control connection with the electric butterfly valve A, the water pump A, the electric butterfly valve B, the electric butterfly valve C, the water pump B, the electric butterfly valve D, the electric butterfly valve E and the electric butterfly valve F, and is connected with the temperature sensor A, the temperature sensor B and the temperature sensor C, receives the instant temperatures of the temperature sensor A, the temperature sensor B and the temperature sensor C and makes corresponding instructions according to the temperatures.
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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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| 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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| CN111342157B true CN111342157B (en) | 2023-10-03 |
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| 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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| JP2000195508A (en) * | 1998-12-24 | 2000-07-14 | Matsushita Electric Ind Co Ltd | Chemical formation method and device for storage battery |
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| CN208570798U (en) * | 2018-07-18 | 2019-03-01 | 张家港市金帆环保科技有限公司 | Storage battery formation tank constant temperature water circulation system |
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2020
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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 |
| CN204289633U (en) * | 2014-09-19 | 2015-04-22 | 天能电池集团有限公司 | A kind of cooling water recirculation system be internalized into for lead acid accumulator |
| CN204991893U (en) * | 2015-09-14 | 2016-01-20 | 福建亚亨动力科技集团有限公司 | Lead acid battery internalization becomes cooling back installation |
| CN107195865A (en) * | 2017-05-22 | 2017-09-22 | 江苏准信自动化科技股份有限公司 | A kind of formation table cooling water recirculation system |
| CN208570798U (en) * | 2018-07-18 | 2019-03-01 | 张家港市金帆环保科技有限公司 | Storage battery formation tank constant temperature water circulation system |
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