WO2014065441A1 - Dispositif de filtrage d'électrolyte de batterie au plomb et procédé de réutilisation associé - Google Patents

Dispositif de filtrage d'électrolyte de batterie au plomb et procédé de réutilisation associé Download PDF

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Publication number
WO2014065441A1
WO2014065441A1 PCT/KR2012/008635 KR2012008635W WO2014065441A1 WO 2014065441 A1 WO2014065441 A1 WO 2014065441A1 KR 2012008635 W KR2012008635 W KR 2012008635W WO 2014065441 A1 WO2014065441 A1 WO 2014065441A1
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WO
WIPO (PCT)
Prior art keywords
electrolyte
battery
filtration
filtration device
storage tank
Prior art date
Application number
PCT/KR2012/008635
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English (en)
Korean (ko)
Inventor
김영훈
Original Assignee
(주)턴투
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Publication date
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Priority to PCT/KR2012/008635 priority Critical patent/WO2014065441A1/fr
Publication of WO2014065441A1 publication Critical patent/WO2014065441A1/fr

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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
    • 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
    • H01M10/4242—Regeneration of electrolyte or reactants
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/60—Arrangements or processes for filling or topping-up with liquids; Arrangements or processes for draining liquids from casings
    • H01M50/691—Arrangements or processes for draining liquids from casings; Cleaning battery or cell casings
    • 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
    • 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

Definitions

  • the present invention relates to an electrolyte filtering device for lead-acid batteries and a battery reuse method using the same. More particularly, an electrolyte filtering device for reducing internal resistance of a battery by purifying and re-injecting impurities mixed in an electrolyte inside a battery and using the same To recover a waste battery.
  • the battery can use chemical energy as electrical energy, and when discharged, the battery can be restored to function again when discharged. In the case of such a battery after a long time, its performance is degraded and is disposed of.
  • the lead acid battery uses dilute sulfuric acid as the electrolyte, the anode plate consists of lead peroxide (PbO2), and the anode plate consists of pure lead (Pb).
  • PbO2 lead peroxide
  • Pb pure lead
  • the biggest cause of the disposal of the lead-acid battery is its disposal, which is the sulfation of the electrode plate.
  • This sulphation forms an insulating film on the electrode plate to block the passage of the chemical and electrical reaction, thereby lowering the battery's voltage capacity and specific gravity of the electrolyte and making the electrolyte inefficient, thereby degrading the performance of the battery.
  • the materials that make up the battery include lead peroxide (PbO2), negative electrode for sponge phase (Pb), and dilute sulfuric acid (H2SO4), but it is impossible to purify 100% pure materials in the manufacturing process.
  • PbO2 lead peroxide
  • Pb negative electrode for sponge phase
  • H2SO4 dilute sulfuric acid
  • the impurities contained in the battery act chemically or electrochemically to cause self-discharge.
  • iron which is generally contained in drinking water, is contained in the electrolyte, and when it reacts with sulfuric acid, it becomes ferrous sulfate (FeSO4), and oxygen is taken from lead peroxide in the anode plate to lead sulfate (PbSO4), and Ferric sulfate (Fe2 (SO4) 3).
  • PbSO4 lead sulfate
  • Fe2 (SO4) 3 Ferric sulfate
  • magnesium acts like iron, and hydrochloric acid and organic acids cause self-discharge and at the same time erode the plate. If there is a metal material other than the material of the pole plate, it is mainly attached to the negative plate to form a battery part, which is short-circuited and partially flows a current to self-discharge the negative plate and generate hydrogen gas. Due to such impurities, there was a problem that the performance of the battery is reduced.
  • waste batteries were collected, separated into raw materials, and then disposed of as main components, such as lead, sulfuric acid, and chemicals, which were disposed of.
  • main components such as lead, sulfuric acid, and chemicals
  • the present invention has been made to solve the above-mentioned conventional problems, the electrode plate by reducing the internal resistance which is the cause of the excessive removal of impurities and the initial initial restoration of the impurity that is the largest cause of self-discharge occurring inside the battery
  • the purpose is to prevent damage.
  • the present invention reduces the environmental pollution occurrence factors by removing only the impurities in the electrolyte and reuse them all, and charge and discharge by reducing the proportion of the electrode plate eroded by the impurities precipitated at the bottom of the inside of the battery
  • the purpose of the present invention is to improve the recovery performance of the waste battery restored by the treatment method according to the present invention with the effect of widening the reaction area of the electrolyte and the electrode plate, and to extend the service life of the battery after the restoration.
  • the object of the present invention is to solve the heavy metal pollution and environmental problems (carbon emissions) by taking a method of restoring it, unlike the conventional method (recycling) of the waste battery.
  • the present invention provides a suction tube for sucking the electrolyte through the opening of one side of the upper end of the battery;
  • a suction pump connected to the suction pipe to suck electrolyte in the battery;
  • Several filtration filters for filtering the sucked electrolyte solution;
  • a storage tank for storing the purified electrolyte through the filtration filter; It is to provide an electrolytic solution filtration device comprising a; discharge pump for discharging the purified electrolyte and an input tube for inputting into the battery.
  • the electrolytic solution filtration device includes a moving means, and the filtration filter is 1.0 ⁇ m in the first time, 0.5 ⁇ m in the second time, and 0.2 ⁇ m in the third time to reduce impurities in the electrolyte solution through three times of filtration as much as possible. It is characterized by minimizing the internal resistance.
  • the present invention comprises an activated carbon filter at the ends of the filter filters, the hydrometer for measuring the specific gravity of the electrolyte in the storage tank; A first inlet for injecting distilled water to one side of the storage tank; A second inlet for injecting sulfuric acid to the other side of the storage tank; And a controller for determining whether the inlets are opened according to the measurement result of the hydrometer.
  • the present invention is to provide an electrolyte filter device characterized in that the suction pipe, suction pump, filtration filter, the storage tank and the discharge pipe is made of an acid-resistant material, in particular the case is made using a PVC material excellent in acid resistance.
  • the present invention also provides a method for reusing a waste battery using the electrolyte filtration device.
  • the present invention has the effect of maximizing the battery recovery environment by significantly reducing the internal resistance by inhaling and purifying the internal electrolyte and impurities of the waste battery, can extend the service life, thereby minimizing economic cost loss There is.
  • FIG. 1 is a perspective view of the electrolyte filtration device of the present invention seen from the front.
  • Figure 2 is a perspective view of the electrolyte filtration device of the present invention from the side.
  • FIG 3 is a perspective view of the lower end of the electrolyte filtration device provided with a wheel.
  • Figure 4 is a plan view of the electrolyte filtration device showing the position of each component.
  • Figure 5 shows a front view of the electrolyte filtration device.
  • Figure 6 shows a side view of the electrolyte filtration device.
  • Figure 7 shows that the hydrometer is disposed in the storage tank of the electrolyte filtration device.
  • suction pipe 2 suction pump 3: primary filtration filter (1.0 ⁇ m)
  • storage tank 7 discharge pump (including digital flow meter)
  • the electrolyte filtration device is a lead acid battery electrolyte filtration device for optimizing a recovery environment of a battery by removing impurities and lowering internal resistance through internal electrolyte purification. Suction the electrolyte with the suction pump, and filter (3) (4) (5) performs three steps (1.0 ⁇ m ⁇ 0.5 ⁇ m ⁇ 0.2 ⁇ m) of filtration and purify the electrolyte solution. It is discharged to the tube through the phosphorus discharge pump is characterized in that the refill (REFILL) to the battery.
  • REFILL refill
  • the electrolyte filter according to the present invention is provided with a suction pipe (1) and a suction pump (2) for sucking the electrolyte, which is three filtration filter (3) for filtering impurities ( 4) (5) in turn.
  • the inclination of the battery is typically changed to suck the electrolyte containing impurities. This makes it easier to inhale impurities and prevent damage to the electrode plate.
  • an internal storage tank 6 is installed to collect the filtered electrolyte and an acid resistant discharge pump 7 for discharging the collected electrolyte to the outside is connected to the discharge pipe 8.
  • the start switch 9 is installed to control this.
  • the suction pump 2 is operated by the start switch 9 of the electrolyte filtration device to suck the electrolyte inside the battery through the suction pipe 1.
  • the sucked electrolyte passes through the primary filtration filter (3), passes through the secondary filtration filter (4), the finer filter, and finally passes through the third filtration filter (5). It is discharged to the tank 6.
  • an activated carbon filter may be added to a rear end of the third filtration filter to convert only water (H 2 O) in the electrolyte solution containing impurities into cleaner water.
  • the three-stage filtration filter as described above there is an advantage in the filter replacement and treatment process. Since most impurities are filtered out of the primary filtration filter, only the primary filtration filter needs to be replaced. In addition, the replacement cycle of the filter is also reduced in the first, second and third order.
  • the filter (3) (4) (5) is an acid-resistant filter that is safe from electrolyte and can be easily replaced when the filter has finished its function.
  • the discharge pump 7 sucks back the electrolyte collected in the internal storage tank 6 and is discharged through the discharge port 8. Refill it into the battery.
  • the discharge pump is advantageously arranged as a digital pump with a flow controller.
  • FIG. 3 shows the electrolyte filtration device according to the present invention, it is shown that the wheel 10 is provided as a separate moving means to facilitate the movement of the bulky electrolyte filtration device.
  • the wheel 10 is provided as a separate moving means to facilitate the movement of the bulky electrolyte filtration device.
  • an additional moving unit is added to the lower end of the electrolyte filtration device to improve mobility.
  • FIG. 4 is a plan view of the electrolyte filtration device showing in detail the arrangement of the major components.
  • FIG. 5 is a front view of the electrolyte filtration apparatus
  • FIG. 6 is a side view of the electrolyte filtration apparatus
  • FIG. 7 is an enlarged view of the hydrometer 14 shown in FIG. 5 and a first for introducing distilled water.
  • An inlet 12, a second inlet 13 for injecting dilute sulfuric acid, and a controller 14 for controlling the inlet are shown.
  • the specific gravity In the case of the electrolyte collected in the storage tank of the electrolyte filtration device, the specific gravity is not constant, so it is generally treated separately and put it back into the battery. Therefore, if the specific gravity is low by measuring the specific gravity of the electrolyte in the storage tank through the hydrometer, if the specific gravity is high by opening the second inlet opening and diluting sulfuric acid through the flow path connected thereto, if the measured specific gravity is high The first inlet is opened to inject distilled water through the flow path connected thereto. At this time, the controller 14 for controlling this is disposed on the upper end of the storage tank, through which a process of supplying the battery after making an electrolyte of a suitable specific gravity before being put into the battery.
  • the hydrometer shown in the figure may be an analog hydrometer, and in another embodiment, the configuration may be changed to a digital hydrometer.
  • the components of the electrolyte filtration device of the present invention use PVC having acid resistance. This is because the contact with the acidic electrolyte solution must be made acid resistant so that the life of the equipment can be as long as possible.
  • Existing treatment method is a process of collecting and discarding the waste of the battery, in the present invention it is possible to reuse the existing battery by removing only impurities present in the electrolyte through the electrolyte filter.
  • the present invention has the effect of maximizing the battery recovery environment by significantly reducing the internal resistance by inhaling and purifying the internal electrolyte and impurities of the waste battery, can extend the service life, thereby minimizing the economic cost loss industrial There is availability.

Abstract

La présente invention concerne un dispositif de filtrage d'électrolyte qui améliore les conditions de récupération de batterie et prolonge la durée d'utilisation après une récupération en aspirant, en purifiant et en rechargeant un électrolyte dans une batterie au plomb usagée qui est une batterie secondaire. Le dispositif de filtrage d'électrolyte selon la présente invention est un dispositif de filtrage d'électrolyte de batterie au plomb permettant d'optimiser les conditions de récupération d'une batterie en éliminant les impuretés et en réduisant la résistance interne par l'intermédiaire d'une purification d'électrolyte interne. L'électrolyte est aspiré par l'intermédiaire d'une pompe d'aspiration, de filtres (3), (4) et (5) et est soumise à une purification à trois phases (1,0 μm à 0,5 μm à 0,2 μm), puis l'électrolyte purifié est évacué vers un tuyau par l'intermédiaire d'une pompe refoulante, qui est un débitmètre numérique, pour être rechargé dans la batterie.
PCT/KR2012/008635 2012-10-22 2012-10-22 Dispositif de filtrage d'électrolyte de batterie au plomb et procédé de réutilisation associé WO2014065441A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/KR2012/008635 WO2014065441A1 (fr) 2012-10-22 2012-10-22 Dispositif de filtrage d'électrolyte de batterie au plomb et procédé de réutilisation associé

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Application Number Priority Date Filing Date Title
PCT/KR2012/008635 WO2014065441A1 (fr) 2012-10-22 2012-10-22 Dispositif de filtrage d'électrolyte de batterie au plomb et procédé de réutilisation associé

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105375080A (zh) * 2015-11-16 2016-03-02 天能电池(芜湖)有限公司 蓄电池极板淋酸的余酸回酸装置
CN111049221A (zh) * 2019-12-26 2020-04-21 湖南绿色再生资源有限公司 锂离子电池放电装置及其控制方法、控制器
CN112599880A (zh) * 2020-12-14 2021-04-02 安徽华铂再生资源科技有限公司 一种铅蓄电池废料回收设备及其回收方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05343087A (ja) * 1992-06-05 1993-12-24 Sumitomo Electric Ind Ltd 電解液流通型電池用電解液タンク
JPH09232008A (ja) * 1996-02-22 1997-09-05 Fuji Elelctrochem Co Ltd 非水系電解液の再生方法
JP2010170819A (ja) * 2009-01-22 2010-08-05 Equos Research Co Ltd 空気電池システム
EP2312686A1 (fr) * 2008-07-11 2011-04-20 Dongguan Songshan Technology Group Co., Ltd. Procédé de mise en uvre d'un cycle de régénération complet de batterie au plomb-acide usée
KR20120029014A (ko) * 2010-09-15 2012-03-26 김윤 폐 납축전지 재생방법

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05343087A (ja) * 1992-06-05 1993-12-24 Sumitomo Electric Ind Ltd 電解液流通型電池用電解液タンク
JPH09232008A (ja) * 1996-02-22 1997-09-05 Fuji Elelctrochem Co Ltd 非水系電解液の再生方法
EP2312686A1 (fr) * 2008-07-11 2011-04-20 Dongguan Songshan Technology Group Co., Ltd. Procédé de mise en uvre d'un cycle de régénération complet de batterie au plomb-acide usée
JP2010170819A (ja) * 2009-01-22 2010-08-05 Equos Research Co Ltd 空気電池システム
KR20120029014A (ko) * 2010-09-15 2012-03-26 김윤 폐 납축전지 재생방법

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105375080A (zh) * 2015-11-16 2016-03-02 天能电池(芜湖)有限公司 蓄电池极板淋酸的余酸回酸装置
CN111049221A (zh) * 2019-12-26 2020-04-21 湖南绿色再生资源有限公司 锂离子电池放电装置及其控制方法、控制器
CN111049221B (zh) * 2019-12-26 2022-01-07 湖南绿色再生资源有限公司 锂离子电池放电装置及其控制方法、控制器
CN112599880A (zh) * 2020-12-14 2021-04-02 安徽华铂再生资源科技有限公司 一种铅蓄电池废料回收设备及其回收方法
CN112599880B (zh) * 2020-12-14 2022-03-29 安徽华铂再生资源科技有限公司 一种铅蓄电池废料回收设备及其回收方法

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