CN101308922A - Battery formed acid loop method of lead acid battery - Google Patents

Battery formed acid loop method of lead acid battery Download PDF

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Publication number
CN101308922A
CN101308922A CNA2007100149745A CN200710014974A CN101308922A CN 101308922 A CN101308922 A CN 101308922A CN A2007100149745 A CNA2007100149745 A CN A2007100149745A CN 200710014974 A CN200710014974 A CN 200710014974A CN 101308922 A CN101308922 A CN 101308922A
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China
Prior art keywords
acid
battery
density
acid solution
storage
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Granted
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CNA2007100149745A
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Chinese (zh)
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CN100596344C (en
Inventor
陈龙霞
陈默
丁广波
王银娟
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Zibo Torch Energy Co., Ltd.
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ZIBO ACCUMULATOR FACTORY
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50Manufacturing or production processes characterised by the final manufactured product

Abstract

The invention discloses an acid circulation method during the formation of a lead acid storage battery. The battery formation process introduces battery assemblage mode and adopts a special battery connector to assemble the acid circulation system; the electrolyte used in the formation process is low in density. The acid circulation method solves the problems of acid content deficiency and temperature reduction of the electrolyte during the battery formation process through the external circulation of the electrolyte; meanwhile, the acid circulation method can expel the sediments inside the battery to the outside through the circulation of the electrolyte, thus playing cleaning function. Heat generated inside the battery during the formation process is expelled through the circulation of the electrolyte, thus cooling the battery. The density of the electrolyte can be adjusted automatically so as to maintain a constant density during the battery formation process. The liquid level of the electrolyte of the battery can be adjusted automatically so as to satisfy the requirements at the time of delivery from the factory. The time period of the battery formation process can be reduced to 1-3days.

Description

The sour round-robin method that the lead acid accumulator battery changes into
Technical field
The present invention relates to the method that pours into that the lead acid accumulator battery changes into mode electrolyte.
Background technology
The slot type that changed into of polar plate of lead acid storage battery changes into battery and changes into dual mode, and from enhancing productivity and the angle of clean environment firendly is considered, present development trend is to adopt battery to change into mode.But traditional battery has changed into following several shortcoming: (1) is because the battery case cavity volume is limited, if adopt low-density [(1.04~1.10) g/cm when battery changes into 3] electrolyte, can not satisfy in the formation process requirement to the acid amount.(2) if adopt higher density (1.200g/cm 3More than) electrolyte, formation effect changes into not as the slot type that uses low-density electrolyte.(3) battery temperature rise in the formation process need be put into battery the cooling tank and be lowered the temperature, and makes because battery case generally is an engineering plastic materials, and heat-transfer effect is poor, and cooling-down effect is bad.(4) owing to temperature rise, forming current can not be too big, and the time that changes into is longer.The time that changes into generally is about (4~5) sky.(5) change into the whole density of electrolyte of end forefathers wage adjustment, workload is big.(6) change into and finish the whole liquid level of electrolyte height of forefathers' wage adjustment, the requirement when making it reach battery and dispatch from the factory.
Summary of the invention
Technical problem to be solved by this invention provides the sour round-robin method that a kind of lead acid accumulator battery changes into, and changing into electrolyte is the low-density acid solution, utilizes the electrolyte external circulation mode to solve and changes into electrolyte acid quantity not sufficient and change into the cooling problem.
The sour round-robin method that lead acid accumulator battery of the present invention changes into, it is characterized in that battery is electrically connected, on the battery liquid-filling hole, connect battery connector, the acid inlet of battery connector connects the acid solution distributor, the acid solution distributor connects high-order low-density storage acid jar by tube connector respectively and high-order high density is store sour jar, valve is set on connecting line, the acid mouth that goes out of battery connector connects the acid solution recover, the acid solution recover connects the low level acid accumulator storage, in the low level acid accumulator storage cooling device is set, the low level acid accumulator storage is connected for sour jar with the high density storage with low-density storage acid jar respectively by sour pump, form acid circulation system, at first in battery, pour into the low-density acid solution during operation, soaked 1~3 hour, start charging/discharging apparatus, begin to change into, open acid circulation system simultaneously, at first start high-order low-density storage acid jar, acid inlet by battery connector injects the low-density acid solution in battery, acid solution circulates the back from going out of battery connector sour mouthful of inflow low level acid accumulator storage in battery, adjust its density at the low level acid accumulator storage by Density Detection, with sour pump acid solution is squeezed into high-order low-density storage acid jar then, finish the circulation of acid solution, changing into preceding 6~8 hours of end, switch and start high-order high density storage acid jar, the high density acid solution is injected the high density acid solution through the acid inlet of battery connector in battery, the acid mouth that goes out from battery connector after the acid solution through mixing flows into the low level acid accumulator storage, adjust its density at the low level acid accumulator storage by Density Detection, by sour pump acid solution is squeezed into high-order high density storage acid jar then, make the density of electrolyte of battery and liquid level reach the battery requirement of dispatching from the factory by circulation.
Described battery connector is by seal cover and insert the acid inlet on the seal cover and go out acid and mouthful forms, goes out the acid mouth and is higher than the acid inlet position, and acid inlet and the difference in height that goes out the acid mouth are 20 ± 5mm.The height that goes out the acid mouth has determined the liquid level that battery dispatches from the factory.
Described low-density acid solution and high density acid solution preferably flow in the battery with the flow velocity of the 0.1~0.3m/min acid inlet by battery connector, and the electrolyte in the battery is had certain impact, and circulate electrolyte is stirred.
The present invention mainly is the mode that pours into that has changed electrolyte, has adopted the extracorporal circulatory system mode.Discharging and recharging according to known various technical approach of battery carried out.Electrolyte in the formation process adopts the low-density acid solution, is generally 1.050 ± 0.005g/cm 3(30 ℃).Change into and finish to inject the high density acid solution in the preceding battery and adjust the liquid level of electrolyte height, still determine its density and liquid level according to known manner according to performances such as the battery capacity that designs, useful lifes, different battery sizes require different, with the prior art mode.
Advantage of the present invention:
Electrolyte is low-density when (1) changing into, and utilizes the electrolyte external circulation mode, and enough acid amounts can be provided in changing into.(2) can adjust density of electrolyte automatically in the formation process, it is constantly all the time changed under a density.(3) heat that inside battery produces in the formation process is taken out of from inside battery by the circulation of acid solution, and battery is played cooling effect.(4) time of changing into can shorten to (1~3) sky approximately.(5) by the circulate electrolyte in the formation process, the sediment of inside battery is recycled to outside batteries, battery is played cleaning action.(6) changing into can be by artificial or automated manner adjustment density of electrolyte before finishing, the requirement when making it reach battery and dispatch from the factory.(7) can adjust the liquid level of battery electrolyte automatically, the requirement when making it reach battery and dispatch from the factory.
Description of drawings
Fig. 1 is an acid solution circulatory system schematic diagram of the present invention;
Fig. 2 is the battery connector structure schematic diagram.
Among the figure: 1 sour pump 2 low level acid accumulator storages 3 cooling devices 4 device for detecting density 5 concentrated acids add acid system 6 pure water water-adding systems 7 acid solution recovers 8 batteries 9 battery connectors 10 acid solution distributors 11 high-order low-density storage acid jar 12 high-order high density storage acid jar 13 seal covers, 14 sealing rings, 15 acid inlets 16 and go out acid mouthful F1, F2, F3, F4 valve
Embodiment
As Fig. 1, the acid solution circulatory system is to realize the key facility of the present invention's acid circulation, on the battery liquid-filling hole, connect battery connector 9, the acid inlet of battery connector connects acid solution distributor 10, acid solution distributor 10 connects high-order low-density storage acid jar 11 by tube connector respectively and high-order high density is store sour jar 12, valve is set respectively on connecting line, the acid mouth that goes out of battery connector connects acid solution recover 7, acid solution recover 7 connects low level acid accumulator storage 2, cooling device 3 is set in the low level acid accumulator storage 2, the low level acid accumulator storage is connected for sour jar 12 with the high density storage with low-density storage acid jar 11 respectively by sour pump 1, forms acid circulation system.Wherein cooling device 3 can adopt known various technical approach, the acid solution in the low level acid accumulator storage is cooled, and as common heat exchange tube structure mode, logical cooling water in the heat exchanger tube.Through cooled acid liquor temperature generally at 25~45 ℃.Device for detecting density 4 among Fig. 1 has known checkout equipment, and (generally adopting density is 1.84g/cm can to utilize technique known mode and concentrated acid to add acid system 5 3The concentrated sulfuric acid), pure water water-adding system 6 forms automatic control modes, add acid automatically or add water according to density requirements; Also can adjust acid solution density in the acid accumulator storage by the mode that manually adds acid or add water.
As Fig. 2, battery connector is by seal cover 13 and insert the acid inlet 15 on the seal cover and go out acid mouthfuls 16 and forms, goes out the acid mouth and is higher than the acid inlet position, and acid inlet and the difference in height that goes out the acid mouth are 20 ± 5mm.The height that goes out the acid mouth has determined the liquid level that battery dispatches from the factory.
The function of battery connector:
1) connector has into and out of acid function, is connected and sealed with battery.
2) electrolyte enters battery by the connector acid inlet with certain flow rate, and flow velocity is (0.1~0.3) m/min, and the electrolyte in the battery is had certain impact, and circulate electrolyte is stirred.
3) owing to the battery top seal, when liquid level of electrolyte reached the height of acid mouth, unnecessary electrolyte was from going out acid mouthful outflow, and the gas that changes into generation is along with acid solution is discharged.
The battery liquid level that changes into the later stage is adjusted the liquid level of electrolyte height of battery by the height of controlling acid mouthful, and the difference in height that goes out acid mouthful and acid inlet generally is set in 20 ± 5mm, makes it reach the desired liquid level of battery production producer.
Concrete operation method is:
Battery is placed on the circuit is electrically connected, on the battery liquid-filling hole, battery connector is installed, open low-density acid solution storage acid jar, to inside battery perfusion electrolyte, soak (1~3) h, start charging/discharging apparatus, begin to change into, start acid circulation system simultaneously, operate as follows:
Open valve F1, F2, startup acid pump 1, start cooling device 3 and carry out Density Detection work, the dilute sulfuric acid of high-order low-density storage acid jar 11 flows into acid solution distributor 10 by valve F2, flow into battery 8 through battery connector 9 again, sulfuric acid in the battery after the circulation flows into low level acid accumulator storage 2 by acid solution recover 7, after precipitation, cooling and density of electrolyte are adjusted, by sour pump 1 acid solution is squeezed into high-order low-density storage acid jar 11, finished the circulation of acid solution.When skew took place density of electrolyte, the Density Detection system adjusted density of electrolyte with the adding of the automatic or manual control concentrated sulfuric acid or distilled water, and acid solution is stable in the maintenance formation process.
Before changing into end, valve-off F1, F2 open valve F3, F4, and the sulfuric acid of high-order high density storage acid jars 12 enters system and circulates (density of electrolyte is adjusted the same), make the density of electrolyte of battery and liquid level reach the battery requirement of dispatching from the factory.
Embodiment 1:
Illustrate with D-400BS
According to the aforesaid operations method one group of (24) battery is placed on the circuit, battery is injected density be (1.100 ± 0.005) g/cm 3The electrolyte of (30 ℃) soaks and carried out battery in 2 hours and change into, and sulfuric acid density is (1.050 ± 0.005) g/cm in the formation process 3(15 ℃) change into and finish preceding 6 hours, switch sour jar of high-order storage, adjust density of electrolyte, and sulfuric acid density is (1.280 ± 0.005) g/cm in high-order high-density acid's jar 3(30 ℃).It is 6 hours that the acid time is changed in circulation.Liquid level is 20mm, and always the time of changing into is 46 hours.
Electrolyte in battery flows into the low level acid accumulator storage, when density of electrolyte is on the low side, opens the function that adds concentrated acid, and density is adjusted into 1.280 ± 0.005g/cm 3(30 ℃).
Above-mentioned battery is carried out battery performance detect, detect data such as following table.
Table 1
Project GB/T 7403.1-1996 standard-required Detect data
Capacity % first 85% 88.0
The 4th capacity % Reach 100% before the tenth time 100.3
Big electric current min 30min 36.18
Embodiment 2:
Illustrate with D-700
According to the aforesaid operations method one group of (24) battery is placed on the circuit, battery is injected density be (1.100 ± 0.005) g/cm 3The electrolyte of (30 ℃) soaks and carried out battery in 2 hours and change into, and sulfuric acid density is (1.050 ± 0.005) g/cm in the formation process 3(15 ℃) change into and finish preceding 8 hours, switch sour jar of high-order storage, adjust density of electrolyte, and sulfuric acid density is (1.290 ± 0.005) g/cm in high-order high-density acid's jar 3(30 ℃).It is 8 hours that the acid time is changed in circulation, and liquid level is 22mm.
Electrolyte in battery flows into the low level acid accumulator storage, when density of electrolyte is on the low side, adjusts density system automatically unlatching is added the function of concentrated acid, and density is adjusted into 1.290 ± 0.005g/cm 3(30 ℃).Always the time of changing into is 48 hours.
Above-mentioned battery is carried out battery performance detect, detect data such as following table.
Table 2
Project GB/T 7403.1-1996 standard-required Detect data
Capacity % first 85% 91.2
Capacity % for the third time Reach 100% before the tenth time 100.5
Big electric current min 30min 33.5

Claims (3)

1, the sour round-robin method that a kind of lead acid accumulator battery changes into, it is characterized in that battery is electrically connected, on the battery liquid-filling hole, connect battery connector, the acid inlet of battery connector connects the acid solution distributor, the acid solution distributor connects high-order low-density storage acid jar by tube connector respectively and high-order high density is store sour jar, valve is set on connecting line, the acid mouth that goes out of battery connector connects the acid solution recover, the acid solution recover connects the low level acid accumulator storage, in the low level acid accumulator storage cooling device is set, the low level acid accumulator storage is connected for sour jar with the high density storage with low-density storage acid jar respectively by sour pump, form acid circulation system, at first in battery, pour into the low-density acid solution during operation, soaked 1~3 hour, start charging/discharging apparatus, begin to change into, open acid circulation system simultaneously, at first start high-order low-density storage acid jar, acid inlet by battery connector injects the low-density acid solution in battery, acid solution circulates the back from going out of battery connector sour mouthful of inflow low level acid accumulator storage in battery, adjust its density at the low level acid accumulator storage by Density Detection, by sour pump acid solution is squeezed into high-order low-density storage acid jar then, finish the circulation of acid solution, changing into preceding 6~8 hours of end, switch and start high-order high density storage acid jar, the high density acid solution is injected the high density acid solution through the acid inlet of battery connector in battery, flow into the low level acid accumulator storage through mixed acid solution for sour mouthful from going out of battery connector, adjust its density at the low level acid accumulator storage by Density Detection, by sour pump acid solution is squeezed into high-order high density storage acid jar then, make the density of electrolyte of battery and liquid level reach the battery requirement of dispatching from the factory by circulation.
2, sour round-robin method according to claim 1 is characterized in that described battery connector by seal cover with insert the acid inlet on the seal cover and go out acid and mouthful forms, goes out the acid mouth and is higher than the acid inlet position, and acid inlet and the difference in height that goes out the acid mouth are 20 ± 5mm.
3, sour round-robin method according to claim 1 is characterized in that in low-density acid solution and the high density acid solution acid inlet inflow battery of flow velocity by battery connector with 0.1~0.3m/min.
CN200710014974A 2007-06-19 2007-06-19 Battery formed acid loop method of lead acid battery Active CN100596344C (en)

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CN101510627B (en) * 2009-03-31 2011-02-16 赵恒祥 Charging/discharging method for accumulator formation, formation method and device
CN101976741A (en) * 2010-09-15 2011-02-16 超威电源有限公司 Ultrasonic wave dispersing and gel irrigating technology of gel battery
CN102136607A (en) * 2011-02-10 2011-07-27 淄博鑫旭机电设备有限公司 Forming system in lead-acid accumulator
CN102157755A (en) * 2011-03-12 2011-08-17 淄博火炬能源有限责任公司 Processing method of tubular lead-acid battery
CN102157730A (en) * 2011-03-08 2011-08-17 肇庆理士电源技术有限公司 Device used for acid pouring circulation
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CN102412422A (en) * 2011-10-01 2012-04-11 淄博鑫旭电源科技有限公司 Small lead-acid battery inner forming device
CN102629699A (en) * 2012-04-27 2012-08-08 淄博鑫旭电源科技有限公司 Fully automatic internal formation equipment for 12V lead-acid storage battery
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CN102698646A (en) * 2012-06-13 2012-10-03 谢才强 Acid preparation system for storage battery
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CN102723468A (en) * 2011-03-29 2012-10-10 郭永千 A method and a device for acid circulation pole plate formation
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CN102916228A (en) * 2012-10-23 2013-02-06 福建省三净环保科技有限公司 Automatic container formation system for lead-acid storage battery
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CN103606711A (en) * 2013-11-29 2014-02-26 山东圣阳电源股份有限公司 Storage battery acid circulation adjusting formation method and adjusting system
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CN104183886A (en) * 2013-10-12 2014-12-03 天能电池(芜湖)有限公司 System for recycling waste acid obtained after formation of lead acid storage battery used in winter
CN104183886B (en) * 2013-10-12 2016-09-07 天能电池(芜湖)有限公司 Spent acid recycling system after being melted into lead-acid accumulator a kind of winter
CN103606711A (en) * 2013-11-29 2014-02-26 山东圣阳电源股份有限公司 Storage battery acid circulation adjusting formation method and adjusting system
CN103682471A (en) * 2013-12-28 2014-03-26 淄博鑫旭电源科技有限公司 Novel distribution block
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CN106611883B (en) * 2015-10-26 2019-05-28 张家港市益成机械有限公司 The sour circulator being internalized into for lead-acid accumulator
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