WO2014065441A1 - Lead acid battery electrolyte filtering device and reusage method using same - Google Patents

Lead acid battery electrolyte filtering device and reusage method using same 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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electrolyte
battery
filtration
filtration device
storage tank
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PCT/KR2012/008635
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French (fr)
Korean (ko)
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김영훈
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(주)턴투
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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
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/4242Regeneration of electrolyte or reactants
    • 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
    • H01M50/60Arrangements or processes for filling or topping-up with liquids; Arrangements or processes for draining liquids from casings
    • H01M50/691Arrangements or processes for draining liquids from casings; Cleaning battery or cell casings
    • 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

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

The present invention relates to an electrolyte filtering device that improves battery recovery conditions and lengthens a period of use after recovery by suctioning, purifying, and re-filling an electrolyte in a waste lead acid battery that is a secondary battery. The electrolyte filtering device according to the present invention is a lead acid battery electrolyte filtering device that is capable of optimizing the battery recovery conditions by removing impurities and lowering internal resistance through internal electrolyte purification. The electrolyte is suctioned through a suction pump, filters (3), (4), and (5) perform purifying through three phases (1.0 μm to 0.5 μm to 0.2 μm), and then the purified electrolyte is discharged to a pipe through a discharge pump which is a digital flow meter to be refilled into the battery.

Description

납산 배터리 전해액 여과장치 및 이를 활용한 재사용 방법       Lead-acid battery electrolyte filtration device and reuse method using the same
본 발명은 납산 배터리의 전해액 여과장치 및 이를 활용한 배터리 재사용방법에 관한 것으로, 더욱 상세하게는 배터리 내부의 전해액에 섞여있는 불순물을 정화해서 재 주입함으로써 배터리 내부저항을 줄여주는 전해액 여과장치 및 이를 이용해서 폐배터리를 복원하는 방법에 관한 것이다.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.
일반적으로 배터리는 화학적 에너지를 전기적 에너지로 사용할 수 있도록 하는 것으로서 방전될 경우 충전하면 다시 배터리의 기능을 회복할 수 있다. 이러한 배터리의 경우 장시간이 경과하게 되면 그 성능이 떨어져 폐기되는 과정을 거치게된다.In general, 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.
납산배터리는 전해액으로 묽은 황산을 사용하고 양극판은 과산화납(PbO2), 음극판은 순수한 납(Pb)으로 구성되어 있다. 이러한 납산배터리는 작은 체적으로 큰 전기를 얻기 위해 화학반응을 일으키는 극판과 전해액의 접촉 면적이 커지도록 얇은 판으로 하며, 또한 여러 장을 병렬로 배치하여 사용하고 있었다.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). These lead-acid batteries were used in a thin plate so that the contact area between the electrode and the electrolytic solution that caused the chemical reaction was increased in order to obtain a large amount of electricity in a small volume, and several sheets were used in parallel.
이러한 납산배터리의 성능이 떨어져 폐기되는 가장 큰 원인으로 극판의 황산화 현상을 들 수 있는데 이는 충전 및 방전을 반복하는 동안 충전시 극판에 달라붙어 있던 황산염이 묽은 황산으로 환원되지 않고 고체 상태로 그대로 붙어 있는 현상 때문이다. 이러한 황산화 현상이 극판에 절연피막을 형성해서 화학전기반응의 통로를 차단하게 되며 이로서 배터리의 전압용량 및 전해질의 비중을 떨어뜨리고 전해질을 비효율적으로 만들어서 배터리의 성능을 저하시키게 된다.The biggest cause of the disposal of the lead-acid battery is its disposal, which is the sulfation of the electrode plate. This means that during repeated charging and discharging, the sulfate attached to the electrode plate does not reduce to dilute sulfuric acid. Because of the phenomenon. 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.
또한 배터리 내부에서 일어나는 자기방전의 가장 큰 원인은 불순물이다. 배터리를 구성하고 있는 물질은 양극판이 과산화납(PbO2), 음극판이 해면상연(Pb), 전해액이 묽은 황산(H2SO4)이지만 이들 물질은 제조과정에 있어서 100% 순수한 물질을 정제하는 것은 불가능하다. 여기에 여러 가지 물질이 함유되어 있고, 이것들이 자기방전의 큰 원인이 되며, 내부저항으로 나타난다.Also, the biggest cause of self-discharge inside the battery is impurities. 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. Various substances are contained here, and these cause a great cause of self-discharge and appear as internal resistance.
이렇게 배터리 중에 함유된 불순물이 화학적으로 혹은 전기화학적으로 작용하여 자기방전이 일어나게 된다. 예를 들면 일반적으로 먹는 물에도 많이 함유된 철이 전해액 중에 함유되어있고 이것이 황산과 반응하면 황산제일철(FeSO4)이 되고, 또한 양극판의 과산화납으로부터 산소를 취해서 황산납(PbSO4)이 되고, 자기 스스로는 황산제이철(Fe2(SO4)3)로 된다. 이것이 음극판에 작용해서 해면상연(Pb)을 산화하고 황산납으로 만들어 결국은 원래의 황산제일철로 된다. 이렇게 전해액에 철이 함유되어 있어도 양극과 음극사이를 왕복하여 자기방전 시킨다.The impurities contained in the battery act chemically or electrochemically to cause self-discharge. For example, 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). This acts on the negative electrode plate to oxidize the sponge phase lead (Pb) and lead to lead sulfate, eventually to the original ferrous sulfate. Thus, even if iron is contained in the electrolyte, it self-discharges between the anode and the cathode.
불순물로서는 마그네슘(Mg)이 철과 같은 작용을 하고 염산, 유기산 등은 자기방전을 시키는 동시에 극판을 침식시킨다. 극판의 물질이외의 금속물질이 있으면 주로 음극판에 부착되어 부분적으로 전지형태를 띄고 이것이 단락된 형으로 되어 부분적으로 전류를 흘려 음극판을 자기방전 시키고 수소가스를 발생시킨다. 이와 같은 불순물로 인해서 배터리의 성능이 저하되는 문제점이 있었다.As impurities, magnesium (Mg) 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.
또한, 기존에는 폐배터리를 수거하여 이를 원 재료별로 분리하여 주성분인 납, 황산, 화학물질로 나누어 폐기처리 하였으나 이렇게 할 경우 위험물질에 대한 노출, 중금속 오염 문제 및 공해 발생의 문제가 발생하였다.In addition, in the past, 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. However, this caused problems of exposure to dangerous substances, heavy metal contamination, and pollution.
이에 본 발명은 상기와 같은 종래의 제반 문제점을 해소하기 위하여 안출된 것으로, 배터리 내부에서 일어나는 자기방전의 가장 큰 원인이 되는 불순물의 제거와 복원초기 과도한 전압인가의 원인인 내부저항을 줄여줌으로 극판의 손상을 방지하는 것을 그 목적으로 한다.Accordingly, 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.
또한, 본 발명은 전해액의 불순물만을 제거하고 이를 전량 재사용함으로써 환경오염 발생요인을 줄여주며, 배터리의 사용 중 내부의 하단에 침전되어지는 불순물들에 의해 잠식되어지는 극판의 비율을 줄여줌으로 충방전시 전해질과 극판의 반응면적을 넓혀주는 효과로 본 발명에 의한 처리방법으로 복원된 폐배터리의 복원 성능을 향상시킴과 더불어 복원 후 배터리의 사용기간을 연장시키는 것을 그 목적으로 한다.In addition, 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.
또한, 본 발명은 기존의 폐배터리의 처리방법(재활용)과는 달리 이를 복원하는 방법을 취해서 중금속 오염 및 환경 문제(탄소배출)를 해결하는 것을 그 목적으로 한다.In addition, 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.
상기와 같은 목적을 달성하기 위하여, 본 발명은 배터리의 상단부 일측의 개구부를 통해서 전해액을 흡입하는 흡입관; 상기 흡입관으로 연결되어 배터리내의 전해액을 흡입하기 위한 흡입펌프; 상기 흡입된 전해액을 여과하기 위한 수개의 여과필터; 상기 여과 필터를 통과해서 정화된 전해액을 저장하기 위한 저장탱크; 정화된 전해액을 배출하기 위한 배출펌프와 배터리로 투입하기 위한 투입관;으로 구성되는 것을 특징으로 하는 전해액 여과장치를 제공하는 것이다.In order to achieve the above object, 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.
이와 같은 본 발명에 따른 상기 전해액 여과장치는 이동수단을 포함하며, 상기 여과필터는 1차로 1.0㎛, 2차로 0.5㎛, 3차로 0.2㎛ 로 하여 세 번에 걸친 여과를 통해 전해액의 불순물을 최대한 줄여주어 내부저항을 최소화 하는 것을 특징으로 한다.The electrolytic solution filtration device according to the present invention includes a moving means, and the filtration filter is 1.0 μm in the first time, 0.5 μm in the second time, and 0.2 μm 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.
또한, 본 발명은 상기 여과필터들의 끝단에 활성탄 필터를 포함하며, 상기 저장탱크에 전해액의 비중을 측정하는 비중계; 저장탱크의 일측에 증류수를 투입하기 위한 제 1 투입구; 저장탱크의 타측에 황산을 투입하기 위한 제 2 투입구; 상기 비중계의 측정결과에 따라 상기 투입구들의 개방여부를 결정하는 콘트롤러;를 포함하는 것을 특징으로 하는 전해액 여과장치를 제공하는 것이다.In addition, 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.
또한, 본 발명은 흡입관, 흡입펌프, 여과필터, 저장탱크 및 배출관이 내산성소재로 하며 특히 전조(case)는 내산성이 탁월한 PVC소재를 사용하여 제작하는 것을 특징으로 하는 전해액 여과장치를 제공하는 것이다.In addition, 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.
또한, 본 발명은 상기 전해액 여과장치를 이용해서 폐배터리의 재사용방법을 제공하는 것이다.The present invention also provides a method for reusing a waste battery using the electrolyte filtration device.
이에, 본 발명은 폐배터리의 내부 전해액과 불순물을 흡입, 정화함으로써 내부저항을 현저히 감소시켜 배터리 복원 환경을 극대화 시키는 효과가 있으며, 사용수명을 연장시킬 수 있으며, 이를 통해서 경제적 비용 손실을 최소화하는 효과가 있다.Thus, 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.
또한, 폐배터리 복원 및 재사용으로 재활용에서 발생되는 유해물질을 줄여 환경 보호에 기여 할 수 있으며, 폐배터리 재활용시 발생되는 탄소배출량의 95%정도를 줄일수 있으며, 신품 배터리 대비 가격 경쟁력을 확보할 수 있게 해준다.In addition, by contributing to the protection of the environment by reducing the harmful substances generated from recycling by restoring and reusing waste batteries, it can reduce 95% of the carbon emissions generated when recycling waste batteries and secure a price competitiveness over new batteries. To make it possible.
또한, 내부 전해액을 전량 재사용함으로써 환경오염을 줄일 수 있는 효과를 얻을 수 있다.In addition, it is possible to obtain an effect of reducing the environmental pollution by reusing the entire internal electrolyte solution.
도 1은 본 발명의 전해액 여과장치를 정면에서 바라본 사시도이다.1 is a perspective view of the electrolyte filtration device of the present invention seen from the front.
도 2는 본 발명의 전해액 여과장치를 측면에서 바라본 사시도이다.Figure 2 is a perspective view of the electrolyte filtration device of the present invention from the side.
도 3은 전해액 여과장치의 하단부에 바퀴를 구비를 구비한 것을 나타내는 사시도이다.3 is a perspective view of the lower end of the electrolyte filtration device provided with a wheel.
도 4는 전해액 여과장치의 평면도로 각 구성요소들의 위치를 나타낸 것이다.Figure 4 is a plan view of the electrolyte filtration device showing the position of each component.
도 5는 전해액 여과장치의 정면도를 나타낸 것이다.Figure 5 shows a front view of the electrolyte filtration device.
도 6은 전해액 여과장치의 측면도를 나타낸 것이다.Figure 6 shows a side view of the electrolyte filtration device.
도 7은 전해액 여과장치의 내부의 저장탱크에 비중계가 배치된 것을 나타낸 것이다.Figure 7 shows that the hydrometer is disposed in the storage tank of the electrolyte filtration device.
* 도면의 주요부분에 대한 부호의 설명 *Explanation of symbols on the main parts of the drawings
1: 흡입관 2: 흡입펌프 3: 1차 여과필터(1.0㎛)1: suction pipe 2: suction pump 3: primary filtration filter (1.0㎛)
4: 2차 여과필터(0.5㎛ ) 5: 3차 여과필터(0.2㎛)4: secondary filtration filter (0.5㎛) 5: tertiary filtration filter (0.2㎛)
6: 저장탱크 7: 배출펌프(디지털 유량계 포함)6: storage tank 7: discharge pump (including digital flow meter)
8: 배출관 9: 시동스위치8: Outlet line 9: Start switch
10: 바퀴 11: 비중계10: wheel 11: hydrometer
12: 제 1 투입구 13: 제 2 투입구12: First inlet 13: Second inlet
14: 콘트롤러14: controller
이하에서는 첨부한 도면을 참조하여 본 발명에 의한 본 발명의 전해액 여과장치의 바람직한 실시예들을 자세히 설명한다. 우선 각 도면의 구성요소들에 참조부호를 부가함에 있어서, 동일한 구성요소들에 대해서는 비록 다른 도면상에 표시되더라도 가능한 한 동일한 부호를 가지도록 하고 있음에 유의해야 한다. 또한, 본 발명을 설명함에 있어, 관련된 공지 구성 또는 기능에 대한 구체적인 설명이 본 발명의 요지를 흐릴 수 있다고 판단되는 경우에는 그 상세한 설명은 생략한다.Hereinafter, with reference to the accompanying drawings will be described in detail preferred embodiments of the electrolyte solution filtering apparatus of the present invention. First of all, in adding reference numerals to the components of each drawing, it should be noted that the same reference numerals are used as much as possible even if displayed on different drawings. In addition, in describing the present invention, when it is determined that the detailed description of the related well-known configuration or function may obscure the gist of the present invention, the detailed description thereof will be omitted.
본 발명에 따른 전해액 여과장치는 내부 전해액 정화를 통하여 불순물 제거, 내부저항을 낮춰서 배터리의 복원 환경을 최적화 시킬 수 있도록 하는 납산 배터리 전해액 여과장치 이다. 흡입펌프로 전해액을 흡입(SUCTION)하고 여과필터(3)(4)(5)가 단계별로 세 단계(1.0㎛→0.5㎛→0.2㎛)의 여과(PURIFYING)를 한 뒤 정화된 전해액이 디지털 유량계인 배출펌프를 통해 관으로 배출되어 배터리로 재 주입(REFILL)하는 것을 특징으로 한다.The electrolyte filtration device according to the present invention 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 μm → 0.5 μm → 0.2 μm) 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.
도 1과 도 2에 도시된 바와 같이, 본 발명에 따른 전해액 여과기는 전해액을 흡입하기 위한 흡입관(1)과 흡입펌프(2)가 설치되고, 이는 불순물을 걸러 주는 3개의 여과필터(3)(4)(5)로 차례로 연결된다.1 and 2, 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.
상기 흡입관으로 폐배터리의 전해액을 흡입하는 단계에서 통상적으로 배터리 의 기울기를 변화시켜서 불순물을 포함하는 전해액을 흡입한다. 이렇게 함으로써 불순물을 좀더 쉽게 흡입하고, 전극판의 손상을 막을 수 있게 된다.In the step of sucking the electrolyte of the waste battery into the suction pipe, 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.
또한 불순물이 걸러진 전해액을 모으기 위해 내부 저장탱크(6)가 설치되고 모여진 전해액을 외부로 배출하기 위한 내산성 배출펌프(7)가 배출관(8)과 연결된다. 그리고 이를 제어하기 위해 시동스위치(9)가 설치된다.In addition, 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. And the start switch 9 is installed to control this.
전해액 여과장치의 시동스위치(9)로 흡입펌프(2)를 작동시켜 흡입관(1)을 통해 배터리 내부의 전해액을 흡입한다. 흡입된 전해액이 제 1 차 여과필터(3)를 지나서 제 2 차 여과필터(4) 통해 좀 더 세밀한 필터를 지나고 마지막으로 제 3 차 여과필터(5)를 지나면서 불순물이 깨끗이 걸러진 상태로 내부 저장탱크(6)에 배출된다. 경우에 따라서는 제 3 차 여과필터의 후단에 활성탄 필터를 부가하여 불순물을 포함한 전해액 중 물(H2O)만을 좀 더 깨끗한 증류수로 변환시키는 과정을 포함 할 수도 있다.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. In some cases, 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.
또한 상기와 같이 3단계의 여과필터를 배치함으로써 필터의 교환 및 처리공정에서도 장점이 있다. 제 1 차 여과필터에서 대부분의 불순물이 걸러지게 되므로 제 1 차 여과필터만을 교환해주면 되기 때문이다. 그리고 필터의 교환주기도 제 1 차, 제 2차, 제 3 차 순으로 감소된다.In addition, by arranging 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.
상기 필터(3)(4)(5)는 내산성이 있는 필터로서 전해액으로부터 안전하고 필터의 기능을 다했을 때 손쉽게 교체할 수 있도록 한다.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.
내부 저장탱크(6)에 모여진 전해액을 배출펌프(7)가 다시 빨아올려 배출구(8)를 통해 배출된다. 이를 다시 배터리로 재 주입한다. 상기 배출펌프는 유량제 어기를 구비한 디지털 펌프로 배치하는 것이 유리하다.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.
이와 같은 과정을 통해서 전해질 내에 있는 불순물을 제거하여 배터리에 공급해 줌으로써 배터리의 수명을 연장시킬 수 있으며, 기존의 배터리 처리방식에서 발생하는 환경문제를 해결할 수 있게 된다.Through this process, the impurities in the electrolyte are removed and supplied to the battery, thereby extending the life of the battery, and solving the environmental problems occurring in the conventional battery treatment method.
도 3은 본 발명에 따른 전해액 여과장치를 나타낸 것으로 부피가 큰 전해액 여과장치의 이동을 편리하게 하기 위해서 별도의 이동수단인 바퀴(10)를 구비한 것을 나타내고 있다. 통상 배터리의 재처리시에 수시로 이동을 해야 하는 문제가 발생되는데 이와 같은 문제를 해결하기 위해서 상기 전해액 여과장치의 하단부에 별도의 이동수단을 추가하여 이동성을 향상시켰다.Figure 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. In general, when the battery is reprocessed, there is a problem of moving frequently. In order to solve such a problem, an additional moving unit is added to the lower end of the electrolyte filtration device to improve mobility.
도 4는 전해액 여과장치의 평면도로 주요 구성요소들의 배치를 자세히 나타낸 것이다. 도 5는 전해액 여과장치의 정면도를 나타낸 것이며, 도 6은 전해액 여과장치의 측면도를 나타낸 것이며, 도 7은 상기 도 5에서 도시되고 있는 내부의 확대도로 비중계(14), 증류수를 투입하기 위한 제 1 투입구(12), 묽은 황산을 투입하기 위한 제 2 투입구(13), 상기 투입구를 제어하기 위한 콘트롤러(14)가 도시되어 있다.Figure 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, and 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.
전해액 여과장치의 저장탱크에 모이는 전해액의 경우 비중이 일정하지 않기 때문에 별도의 처리를 해주고 이를 다시 배터리에 투입하는 것이 일반적이다. 따라서 상기 비중계를 통해서 저장탱크 내에 있는 전해액의 비중을 측정하여 비중이 낮을 경우에는 제 2 투입구를 개방하여 여기에 연결된 유로를 통해서 묽은 황산을 투입하여 전해액의 비중을 맞추고, 측정된 비중이 높을 경우에는 제 1 투입구를 개방하여 여기에 연결된 유로를 통해서 증류수를 투입하도록 한다. 이때 이를 제어 하는 콘트롤러(14)가 상기 저장탱크의 상단부에 배치되며, 이를 통해서 배터리에 투입되기 전에 적절한 비중의 전해액을 만든 후 배터리에 공급되는 과정을 거치게 된다. 상기 도면에 도시되어 있는 비중계는 아날로그식 비중계로 다른 실시예로는 디지털 비중계로 그 구성을 변경 할 수도 있다.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.
그리고 본 발명의 전해액 여과장치의 부품들은 내산성을 갖춘 PVC를 사용하는 것이 권장된다. 이는 산성을 띄는 전해액과 닿기 때문에 내산성으로 이루어져야 장비의 수명을 최대한 길게 할 수 있기 때문이다.In addition, it is recommended that 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.
이와 같은 처리 단계를 거치게 되면 기존의 폐배터리의 처리방식과는 달리 환경오염 문제 및 중금속 오염 문제를 크게 개선 할 수 있다 할 것이다. 기존의 처리방식은 배터리의 폐기물들을 수거하여 폐기하는 과정을 거쳤는데, 본 발명에서는 전해액 여과장치를 통해서 전해액 내에 존재하는 불순물들만을 제거함으로써 기존의 배터리의 재사용이 가능하게 된다.Through such a treatment step, unlike conventional waste battery treatment methods, environmental pollution and heavy metal pollution problems can be greatly improved. 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.
이상의 설명은 본 발명의 기술 사상을 예시적으로 설명한 것에 불과한 것으로서, 본 발명이 속하는 기술 분야에서 통상의 지식을 가진 자라면 본 발명의 본질적인 특성에서 벗어나지 않는 범위에서 다양한 수정 및 변형이 가능할 것이다. 따라서, 본 발명에 개시된 실시예들은 본 발명의 기술 사상을 한정하기 위한 것이 아니라 설명하기 위한 것이고, 이러한 실시예에 의하여 본 발명의 기술 사상의 범위가 한정되는 것은 아니다. 본 발명의 보호범위는 아래 청구범위에 의하여 해석되어야하며, 그와 동등한 범위 내에 있는 모든 기술 사상은 본 발명의 권리범위에 포함되는 것으로 해석되어야 할 것이다.The above description is merely illustrative of the technical idea of the present invention, and those skilled in the art to which the present invention pertains may make various modifications and changes without departing from the essential characteristics of the present invention. Therefore, the embodiments disclosed in the present invention are not intended to limit the technical idea of the present invention but to describe the present invention, and the scope of the technical idea of the present invention is not limited by these embodiments. The scope of protection of the present invention should be interpreted by the following claims, and all technical ideas within the scope equivalent thereto should be construed as being included in the scope of the present invention.
본 발명은 폐배터리의 내부 전해액과 불순물을 흡입, 정화함으로써 내부저항을 현저히 감소시켜 배터리 복원 환경을 극대화 시키는 효과가 있으며, 사용수명을 연장시킬 수 있으며, 이를 통해서 경제적 비용 손실을 최소화하게 되므로 산업상 이용가능성이 있다.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.

Claims (7)

  1. 배터리의 상단부 일측의 개구부를 통해서 전해액을 흡입하는 흡입관;A suction pipe that sucks the electrolyte through an opening at one end of the battery;
    상기 흡입관으로 연결되어 배터리내의 전해액을 흡입하기 위한 흡입펌프;A suction pump connected to the suction pipe to suck electrolyte in the battery;
    상기 흡입된 전해액을 여과하기 위한 수개의 여과필터;Several filtration filters for filtering the sucked electrolyte solution;
    상기 여과 필터를 통과해서 정화된 전해액을 저장하기 위한 저장탱크;A storage tank for storing the purified electrolyte through the filtration filter;
    정화된 전해액을 배출하기 위한 배출펌프와 배터리로 투입하기 위한 배출관;으로 구성되는 것을 특징으로 전해액 여과장치.Electrolyte filtration device, characterized in that consisting of; a discharge pump for discharging the purified electrolyte and a discharge pipe for input to the battery.
  2. 제 1 항에 있어서, 상기 전해액 여과장치의 하단부에 이동수단을 포함하는According to claim 1, wherein the lower end of the electrolyte filtration device comprises a moving means
    것을 특징으로 하는 전해액 여과장치.Electrolyte filtration device, characterized in that.
  3. 제 2 항에 있어서, 상기 여과필터는 1차로 1.0㎛, 2차로 0.5㎛, 3차로 0.2㎛인 것을 특징으로 하는 전해액 여과장치.The electrolytic solution filtration device according to claim 2, wherein the filtration filter is 1.0 µm first, 0.5 µm second, and 0.2 µm third.
  4. 제 3 항에 있어서, 상기 여과필터의 끝단에 활성탄 필터를 포함하는 것을 특징으로 하는 전해액 여과장치.The electrolytic solution filtration device according to claim 3, comprising an activated carbon filter at the end of the filtration filter.
  5. 제 3 항에 있어서, 상기 저장탱크에 전해액의 비중을 측정하는 비중계;According to claim 3, Hydrometer for measuring the specific gravity of the electrolyte in the storage tank;
    저장탱크의 일측에 증류수를 투입하기 위한 제 1 투입구;A first inlet for injecting distilled water to one side of the storage tank;
    저장탱크의 타측에 황산을 투입하기 위한 제 2 투입구;A second inlet for injecting sulfuric acid to the other side of the storage tank;
    상기 비중계의 측정결과에 따라 상기 투입구들의 개방여부를 결정하는 콘트롤러;를 포함하는 것을 특징으로 하는 전해액 여과장치.And a controller for determining whether the inlets are opened according to the measurement result of the hydrometer.
  6. 제 3 항에 있어서, 상기 흡입관, 상기 흡입펌프, 상기 여과필터, 상기 저장탱크 및 상기 배출관은 내산성을 갖춘 PVC인 것을 특징으로 하는 전해액 여과장치.4. The electrolyte filtering device according to claim 3, wherein the suction pipe, the suction pump, the filtration filter, the storage tank, and the discharge pipe are PVC having acid resistance.
  7. 제 1항 내지 제 6 항중 어느 하나의 항에 있어서, 상기 전해액 여과장치를 이용한 폐배터리의 재사용 방법.The method of reusing a waste battery according to any one of claims 1 to 6, wherein the electrolyte filtration device is used.
PCT/KR2012/008635 2012-10-22 2012-10-22 Lead acid battery electrolyte filtering device and reusage method using same WO2014065441A1 (en)

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