CN105070956A - Acid mist removing method and device in charging process of lead-acid storage battery - Google Patents

Acid mist removing method and device in charging process of lead-acid storage battery Download PDF

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Publication number
CN105070956A
CN105070956A CN201510546270.7A CN201510546270A CN105070956A CN 105070956 A CN105070956 A CN 105070956A CN 201510546270 A CN201510546270 A CN 201510546270A CN 105070956 A CN105070956 A CN 105070956A
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China
Prior art keywords
acid
mist
removing device
lead
negative pressure
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CN201510546270.7A
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CN105070956B (en
Inventor
陈默
吴涛
战祥连
师少峰
陈龙霞
常莹
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ZIBO TORCH ENERGY CO Ltd
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ZIBO TORCH ENERGY CO Ltd
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/06Lead-acid accumulators
    • H01M10/12Construction or manufacture
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/70Arrangements for stirring or circulating the electrolyte
    • H01M50/77Arrangements for stirring or circulating the electrolyte with external circulating path
    • 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

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Secondary Cells (AREA)

Abstract

The invention relates to an acid mist removing method and device in the charging process of a lead-acid storage battery. The acid mist removing device is arranged at the top of the lead-acid storage battery, and an acid mist removing pipeline connected with a negative-pressure wind chamber is inserted into the acid mist removing device. When the lead-acid storage battery is discharged, negative pressure is kept in the negative-pressure wind chamber, the acid mist removing pipeline and the acid mist removing device, and generated acid mist condenses and flows back into the lead-acid storage battery through the acid mist removing device and the acid mist removing pipeline. The acid mist generated in the charging process of the lead-acid storage battery can be effectively collected, the consistency of the quantity of electrolytes of the storage battery is improved, the homogeneity quality of products is improved, the treatment cost of the acid mist is reduced, and the emissions of chemical waste are reduced. The device adopted in the acid mist removing method in the charging process of the lead-acid storage battery is further provided.

Description

The method of acid-mist-removing and device in lead acid battery charge process
Technical field
The present invention relates to method and the device of acid-mist-removing in a kind of lead acid battery charge process.
Background technology
A main manufacturing process is had in lead acid accumulator industrial manufacturing process, that the plate active material of inside battery is activated, activation is an electrochemical reaction process, plate active material is immersed in sulfuric acid electrolyte, external load DC power supply carries out discharge and recharge to it, and according to principle of electrochemical reaction, charging process can produce hydrogen and oxygen two kinds of gases, the gas risen carries acid solution and forms acid mist, discharges from internal storage battery.The unfavorable factors such as human injury, environmental pollution and equipment corrosion can be caused due to acid mist, discharge after needing to collect process.At present, generally adopt and storage battery is put in water-bath cell body, airtight cover body is installed on cell body top, external exhaust equipment, the acid mist that storage battery is discharged after the process of acid mist treatment facility qualified discharge (acid mist process is divided into two steps: first step Physical, and namely acid mist is by being equipped with the equipment condensation acid mist collecting process of husky net and many-sided ball; Second step chemical method, the acid mist namely do not condensed with containing in alkaline solution and chemical reaction handling), final emission is mainly hydrogen and oxygen.First this processing method needs high-power air exhauster, improves exhaust air rate to meet the requirement of acid discharge mist, the storage battery put could be produced acid mist extract out at larger confined space; Secondly the acid mist that storage battery is arranged outward can not be discharged by exhausting completely, can enter to put in storage battery tank by sprinkle, and cause cycle down warm water containing acid, need regular neutralisation treatment cycle down warm water, the cycle down warm water containing acid can cause equipment to corrode to a certain extent.
Summary of the invention
For the deficiencies in the prior art, the object of this invention is to provide a kind of acid-mist-removing method in lead acid battery charge process, the acid mist produced when effectively can collect lead acid battery charge, improve battery liquid amount consistency, improving product uniformity quality, reduce acid mist processing cost, reduce chemical exhaust amount; The present invention also provides its device.
The method of acid-mist-removing in lead acid battery charge process of the present invention, acid fog removing device is installed at lead acid accumulator top, the acid-mist-removing pipeline be connected with negative pressure wind chamber is inserted on acid fog removing device, during lead acid accumulator discharge and recharge, negative pressure wind chamber, acid-mist-removing pipeline and acid fog removing device inside all keep negative pressure, and the acid mist of generation is back to lead acid accumulator inside through acid fog removing device and the condensation of acid-mist-removing pipeline.
Wherein: part acid mist enters in negative pressure wind chamber, qualified discharge after purifying column process.
The exhausting amount of negative pressure wind chamber, acid-mist-removing pipeline and acid fog removing device inside is all not less than 0.8m 3/ h.
Acid fog removing device in lead acid battery charge process of the present invention, comprise lead acid accumulator, lead acid accumulator is positioned on cooling groove, lead acid accumulator top connects acid fog removing device, and acid fog removing device top is provided with interface, is provided with negative pressure wind chamber above acid fog removing device, negative pressure wind chamber lower end is provided with acid-mist-removing pipeline, acid-mist-removing lower end of duct inserts in interface, and negative pressure wind chamber side connects purifying column by air draft pipe, and purifying column is connected with blower fan.
Lead acid accumulator, acid fog removing device and acid-mist-removing install pipeline are multiple.
Each lead acid accumulator top is provided with at least one liquid injection port, by liquid injection port, lead acid accumulator has been poured into electrolyte, and the liquid injection port caliber size of the lead acid accumulator of same specification model is identical.
After lead acid accumulator has poured into electrolyte by liquid injection port, lead acid accumulator top installation acid fog removing device (or at lead acid accumulator top, acid fog removing device is installed, electrolyte is poured into again) by liquid injection port, acid fog removing device is put on cooling groove circuit with the lead acid accumulator of having filled with electrolyte according to neat specification, lead acid accumulator arranges multiple, between lead acid accumulator after electrical connection, the acid-mist-removing pipeline be connected with negative pressure wind chamber is inserted on acid fog removing device by interface, negative pressure wind chamber side connects purifying column by air draft pipe, purifying column is connected with blower fan.
During lead acid accumulator discharge and recharge, first unlatching purifying column and blower fan carry out exhausting, the negative pressure wind chamber communicated with it produces negative pressure, all connected acid-mist-removing pipelines will keep identical negative pressure state with the acid fog removing device communicated is inner, then start to carry out DC charging to lead acid accumulator, the acid mist produced is back to lead acid accumulator inside through acid fog removing device and the condensation of acid-mist-removing pipeline, the acid mist of minute quantity enters in negative pressure wind chamber, qualified discharge after purifying column process, emission is mainly oxygen and hydrogen.
Acid fog removing device lower interface position and lead acid accumulator closely cooperate well, ensure binding site sealing; The internal diameter of interface is greater than the external diameter of acid-mist-removing pipeline, and junction does not need sealing.
Acid fog removing device top and bottom body is arc-shaped, guarantees that the electrolyte that rises in lead acid battery charge process and acid mist effectively reflux; Acid-mist-removing lower end of duct inserts in interface, the degree of depth that acid-mist-removing lower end of duct inserts interface is preferably 15mm, but acid-mist-removing pipeline does not enter in acid fog removing device, and acid fog removing device and acid-mist-removing pipeline communication, under operating state, acid fog removing device inside keeps condition of negative pressure, ensures that the acid mist that lead acid accumulator produces can not escape in external environment condition outward.Even if a small amount of acid mist can rise in acid-mist-removing pipeline in lead acid battery charge process, in pipeline under negative pressure, the acid mist risen is back in special acid fog removing device by acid-mist-removing duct wall, flow into lead acid accumulator inside again, the method can make 98% of effusion acid mist amount to be collected and be recycled to lead acid accumulator inside, thus stops acid mist and arrange outward and impact environment and equipment.
Acid-mist-removing pipeline outer wall and interface inwall leave 2-4mm gap, interface inwall is provided with card article, preferably be provided with 4 pieces of card articles that distribution is impartial, 4 pieces of card articles are positioned at same level, play the effect stopping that acid-mist-removing pipeline inserts, the insertion depth of restriction acid-mist-removing pipeline, extraneous when guaranteeing exhausting to mend wind unobstructed.
Acid fog removing device selects the ABS material of good forming effect, high strength, high rigidity, acid fog removing device is cylinder, volume is except accommodation electrolyte, volume more than needed 80% ~ 90%, the preferred 90mm of acid fog removing device diameter, high preferably 235mm, is convenient to artificial rotation process, for generation of acid mist to rise condensation backflow space.
Junction between acid fog removing device and lead acid accumulator is provided with rubbery flat gasket sheet, reaches the object of closed butt joint between acid fog removing device and lead acid accumulator.
By acid-mist-removing pipeline, the acid mist collecting hanging ease is on a small quantity back in acid fog removing device, finally realizes effective backflow of acid mist.Acid-mist-removing pipeline is long 1m preferably.
The internal negative pressure being realized all acid fog removing devices by negative pressure wind chamber is identical.
Realized the constant control of exhausting amount by blower fan, keep the active balance of acid fog removing device internal negative pressure.
In sum, the present invention has the following advantages:
(1) acid mist produced when the present invention effectively can collect lead acid battery charge, makes it be back to lead acid accumulator inside, reduces acid mist discharge rate;
(2) ensure that the electrolyte content that lead acid accumulator adds does not measure by the acid of follow-up charging process the impact reduced, improve battery liquid amount consistency, improving product uniformity quality;
(3) storage battery acid-mist-removing function and accommodation electrolyte function combine together by the acid fog removing device that the present invention is used, with common acid-mist-removing Measures compare, reduce acid mist processing cost, cut the chemical processing links of neutralization, decreased chemical exhaust amount.
Accompanying drawing explanation
Fig. 1 is the structural representation of acid fog removing device in lead acid battery charge process of the present invention;
Fig. 2 is the schematic enlarged-scale view of A in Fig. 1;
In figure: 1-lowers the temperature groove, 2-lead acid accumulator, 3-acid fog removing device, 4-liquid injection port, 5-interface, 6-acid-mist-removing pipeline, 7-negative pressure wind chamber, 8-air draft pipe, 9-blower fan, 10-purifying column, 11-card article.
Embodiment
Below in conjunction with embodiment, the present invention will be further described.
Embodiment
The method of acid-mist-removing in consistent lead acid battery charge process, lead acid accumulator 2 is put on cooling groove 1 circuit, acid fog removing device 3 is installed at lead acid accumulator 2 top, the acid-mist-removing pipeline 6 be connected with negative pressure wind chamber 7 is inserted on acid fog removing device 3, during lead acid accumulator 2 discharge and recharge, the exhausting amount of negative pressure wind chamber 7, acid-mist-removing pipeline 6 and acid fog removing device 3 inside is all not less than 0.8m 3/ h, makes negative pressure wind chamber 7, acid-mist-removing pipeline 6 and acid fog removing device 3 inside all keep identical negative pressure, and the acid mist of generation is back to lead acid accumulator 2 inside through acid fog removing device 3 and acid-mist-removing pipeline 6 condensation.Part acid mist enters in negative pressure wind chamber 7, qualified discharge after purifying column 10 processes.
The acid fog removing device that the method is used, as depicted in figs. 1 and 2, comprise lead acid accumulator 2, lead acid accumulator 2 is positioned on cooling groove 1, and lead acid accumulator 2 top connects acid fog removing device 3, acid fog removing device 3 top is provided with interface 5, be provided with negative pressure wind chamber 7 above acid fog removing device 3, negative pressure wind chamber 7 lower end is provided with acid-mist-removing pipeline 6, and acid-mist-removing pipeline 6 lower end is inserted in interface 5, negative pressure wind chamber 7 side connects purifying column 10 by air draft pipe 8, and purifying column 10 is connected with blower fan 9.Lead acid accumulator 2, acid fog removing device 3 and acid-mist-removing pipeline 6 all arrange three.Each lead acid accumulator 2 top is provided with a liquid injection port 4.The internal diameter of interface 5 is greater than the external diameter of acid-mist-removing pipeline 6, and acid-mist-removing pipeline 6 outer wall and interface 5 inwall leave 4mm gap.Acid fog removing device 3 top and bottom body is arc-shaped.
Interface 5 inwall is provided with 4 pieces of impartial card articles 11 of distribution, plays the effect stopping that acid-mist-removing pipeline 6 inserts, the insertion depth of restriction acid-mist-removing pipeline 6, and extraneous when guaranteeing exhausting to mend wind unobstructed.
During use, after lead acid accumulator 2 has poured into electrolyte by liquid injection port 4, lead acid accumulator 2 top is installed acid fog removing device 3 and (or is installed acid fog removing device 3 at lead acid accumulator 2 top, electrolyte is poured into again) by liquid injection port 4, acid fog removing device 3 is put on cooling groove 1 circuit with the lead acid accumulator 2 of having filled with electrolyte according to neat specification, lead acid accumulator 2 arranges three, between lead acid accumulator 2 after electrical connection, the acid-mist-removing pipeline 6 be connected with negative pressure wind chamber 7 is inserted on acid fog removing device 3 by interface 5, negative pressure wind chamber 7 side connects purifying column 10 by air draft pipe 8, purifying column 10 is connected with blower fan 9.
During lead acid accumulator 2 discharge and recharge, first unlatching purifying column 10 and blower fan 9 carry out exhausting, the negative pressure wind chamber 7 communicated with it produces negative pressure, all connected acid-mist-removing pipelines 6 will keep identical negative pressure state with acid fog removing device 3 inside communicated, then start to carry out DC charging to lead acid accumulator 2, it is inner that the acid mist produced is back to lead acid accumulator 2 through acid fog removing device 3 and acid-mist-removing pipeline 6 condensation, the acid mist of minute quantity enters in negative pressure wind chamber 7, qualified discharge after purifying column 10 processes, emission is mainly oxygen and hydrogen.

Claims (10)

1. the method for acid-mist-removing in a lead acid battery charge process, it is characterized in that: acid fog removing device is installed at lead acid accumulator top, the acid-mist-removing pipeline be connected with negative pressure wind chamber is inserted on acid fog removing device, during lead acid accumulator discharge and recharge, negative pressure wind chamber, acid-mist-removing pipeline and acid fog removing device inside all keep negative pressure, and the acid mist of generation is back to lead acid accumulator inside through acid fog removing device and the condensation of acid-mist-removing pipeline.
2. the method for acid-mist-removing in lead acid battery charge process according to claim 1, is characterized in that: part acid mist enters in negative pressure wind chamber, qualified discharge after purifying column process.
3. the method for acid-mist-removing in lead acid battery charge process according to claim 1, is characterized in that: the exhausting amount of negative pressure wind chamber, acid-mist-removing pipeline and acid fog removing device inside is all not less than 0.8m3/h.
4. acid fog removing device in a lead acid battery charge process, it is characterized in that: comprise lead acid accumulator (2), lead acid accumulator (2) is positioned in cooling groove (1), lead acid accumulator (2) top connects acid fog removing device (3), acid fog removing device (3) top is provided with interface (5), acid fog removing device (3) top is provided with negative pressure wind chamber (7), negative pressure wind chamber (7) lower end is provided with acid-mist-removing pipeline (6), acid-mist-removing pipeline (6) lower end is inserted in interface (5), negative pressure wind chamber (7) side connects purifying column (10) by air draft pipe (8), purifying column (10) is connected with blower fan (9).
5. acid fog removing device in lead acid battery charge process according to claim 4, is characterized in that: lead acid accumulator (2), acid fog removing device (3) and acid-mist-removing pipeline (6) arrange multiple.
6. acid fog removing device in lead acid battery charge process according to claim 4, is characterized in that: each lead acid accumulator (2) top is provided with at least one liquid injection port (4).
7. acid fog removing device in lead acid battery charge process according to claim 4, is characterized in that: the internal diameter of interface (5) is greater than the external diameter of acid-mist-removing pipeline (6).
8. acid fog removing device in lead acid battery charge process according to claim 4, is characterized in that: acid fog removing device (3) top and bottom body is arc-shaped; Acid-mist-removing pipeline (6) outer wall and interface (5) inwall leave 2-4mm gap.
9., according to acid fog removing device in the arbitrary described lead acid battery charge process of claim 4-8, it is characterized in that: interface (5) inwall is provided with card article (11).
10. acid fog removing device in lead acid battery charge process according to claim 9, it is characterized in that: acid fog removing device (3) is cylinder, diameter is 90mm, and height is 235mm.
CN201510546270.7A 2015-08-31 2015-08-31 The method and device of acid-mist-removing during lead acid battery charge Active CN105070956B (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106110838A (en) * 2016-08-03 2016-11-16 湖北润阳新能源有限公司 Acid fog from lead accumulator concentrates absorption plant
CN107275679A (en) * 2017-07-13 2017-10-20 深圳市恒翼能科技有限公司 New forming probe bed probe module
CN109546245A (en) * 2018-11-01 2019-03-29 超威电源有限公司 It is a kind of to seal the method and apparatus being internalized into

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201804943U (en) * 2010-07-14 2011-04-20 陈赖容 Pregnant solution pot assembly for charging lead-acid storage battery
CN203536533U (en) * 2013-10-09 2014-04-09 河南超威电源有限公司 Gathering type acid mist filtering collector
CN204905372U (en) * 2015-08-31 2015-12-23 淄博火炬能源有限责任公司 Remove acid mist device in lead acid battery charging process

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201804943U (en) * 2010-07-14 2011-04-20 陈赖容 Pregnant solution pot assembly for charging lead-acid storage battery
CN203536533U (en) * 2013-10-09 2014-04-09 河南超威电源有限公司 Gathering type acid mist filtering collector
CN204905372U (en) * 2015-08-31 2015-12-23 淄博火炬能源有限责任公司 Remove acid mist device in lead acid battery charging process

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106110838A (en) * 2016-08-03 2016-11-16 湖北润阳新能源有限公司 Acid fog from lead accumulator concentrates absorption plant
CN107275679A (en) * 2017-07-13 2017-10-20 深圳市恒翼能科技有限公司 New forming probe bed probe module
CN109546245A (en) * 2018-11-01 2019-03-29 超威电源有限公司 It is a kind of to seal the method and apparatus being internalized into
CN109546245B (en) * 2018-11-01 2021-04-09 超威电源集团有限公司 Sealed container formation device

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