CN102655248B - Battery waste acid recycling device - Google Patents

Battery waste acid recycling device Download PDF

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Publication number
CN102655248B
CN102655248B CN201210178146.6A CN201210178146A CN102655248B CN 102655248 B CN102655248 B CN 102655248B CN 201210178146 A CN201210178146 A CN 201210178146A CN 102655248 B CN102655248 B CN 102655248B
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CN
China
Prior art keywords
filter
box
acid
conical
filter box
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CN201210178146.6A
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Chinese (zh)
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CN102655248A (en
Inventor
母建平
刘宝刚
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江苏超威电源有限公司
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Priority to CN201210178146.6A priority Critical patent/CN102655248B/en
Publication of CN102655248A publication Critical patent/CN102655248A/en
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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
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/84Recycling of batteries or fuel cells

Abstract

The invention belongs to a battery waste acid recycling device which comprises a sediment box, a bracket, a first filtering box body, a second filtering box body, a third filtering box body and an acid liquor collection box, wherein the first filtering box body is used for performing primary filtering waste acid precipitated in the sediment box for a first time; the first filtering box is arranged on the top end of a ladder layer of the bracket; the first filtering box body is internally provided with a tapered filter; a box body arranged at the lower end of the tapered filter is communicated with an acid collection tank arranged at the upper end of the second filtering box body by virtue of a liquid outlet valve; a filter screen cover is arranged at the upper end of the tapered filter; the acid collection tank is arranged at the upper end of the filter screen cover; the upper part of the acid collection tank is provided with an overflow pipe communicated with the upper end of the sediment box; and the particles filtered by the tapered filter of the first filtering box body have the diameters of 30-40mu m. The battery waste acid recycling device is low in cost and less in energy consumption, can be used for recycling the battery waste acid in a way of in-situ, and effectively solving the problem that the environment is polluted by the battery waste acid; and furthermore, the battery waste acid recycling device has the advantages of being simple in structure, low in purification cost and good in purification effect, enabling the filtered sulfuric acid to be used again, protecting the environment, saving energy and recycling the waste.

Description

Battery waste acid recycling device
Technical field
The invention belongs to a kind of battery waste acid recycling device.
Background technology
The main path producing waste sulfate (abbreviation spent acid) in the production process of lead acid accumulator is the spent acid produced in the spent acid and battery charging process that in coated plate process, pouring acid produces respectively, wherein the Waste Sulfuric Acid concentration of coated plate generation is about 10%, the acid-spending strength produced in battery charging process is about 35%, in spent acid, foreign material are mainly lead powder, because in spent acid, acid content is higher, and containing lead powder, even if directly after neutralization, discharge also pollutes the environment, the rear discharge of direct neutralization also can waste a large amount of salt bronsted lowry acids and bases bronsted lowries, and processing cost is higher, the requirement that industry energy conservation reduces discharging can not be met.The enterprise that current most domestic produces waste accumulator sulfuric acid there is no the perfect facility from the acid of process waste accumulator, and the enterprise that can reach discharging standards is after treatment relatively less, so the recovery of Waste Sulfuric Acid is reclaimed primarily of gas washing in SA production producer, but the process of leaded spent acid adopts complexity and the larger spent acid cleaning equipment of volume mostly, power consumption is large, collection and purification cost is large, costly, unfavorable practical operation, and clean-up effect is poor, often cause the discharge beyond standards containing acid, plumbous waste water, the environment and physical and mental health that the mankind depend on for existence in serious threat.
Summary of the invention
The object of the invention is to design a kind of battery waste acid recycling device, energy low cost, few energy consumption, battery spent acid is recycled on the spot, effectively can solve the problem of battery spent acid contaminated environment, and it is simple to have structure, purification cost is low, good purification, the sulfuric acid after filtration can reuse, and has the advantage of environmental protection and energy saving and twice laid.
For this reason, the present invention includes:
Settling tank, for collecting and store the spent acid produced in storage battery production process and the foreign material precipitated in spent acid, settling tank is positioned at the lower end of first, second filter box on support, the pump line inlet of drawing liquid pump communicates with middle part in precipitation casing, and the pump line liquid outlet of drawing liquid pump communicates with the collection acid pond of the first filter box upper end;
Support, for supporting first, second, third filter box and acid solution collecting box, support is stepped, and first, second, third filter box and acid solution collecting box are positioned on each flight of support successively from high to low;
First filter box; for filtering carrying out first time through the spent acid of precipitation in settling tank; first filter box is positioned at the flight top of support; conical filter is provided with in first filter box; the casing of conical filter lower end is communicated with the collection acid pond of the second filter box upper end by liquid valve; conical filter upper end is filter cover; filter cover upper end is the sour pond of collection; collect top, sour pond to be provided with overflow pipe and to communicate with settling tank upper end, the particle diameter that the conical filter of the first filter box filters is 30 ~ 40 μm;
Second filter box; filter for carrying out second time to the filtrate of filtering through the first filter box first time; second filter box is positioned on the support flight of the first filter box lower end; conical filter is provided with in second filter box; the casing of conical filter lower end is communicated with the collection acid pond of the 3rd filter box upper end by liquid valve; conical filter upper end is filter cover; filter cover upper end is the sour pond of collection; collect top, sour pond to be provided with overflow pipe and to communicate with settling tank upper end, the particle diameter that the conical filter of the second filter box filters is 10 ~ 15 μm;
3rd filter box; filter for carrying out third time to the filtrate of filtering through the second filter box second time; 3rd filter box is positioned on the support flight of the second filter box lower end; conical filter is provided with in 3rd filter box; the casing of conical filter lower end is communicated with acid solution collecting box upper end by liquid valve; conical filter upper end is filter cover; filter cover upper end is the sour pond of collection; collect top, sour pond to be provided with overflow pipe and to communicate with settling tank upper end, the particle diameter that the conical filter of the 3rd filter box filters is 1 ~ 5 μm;
Acid solution collecting box, for collecting and store the acid solution of filtering through third time, acid solution collecting box is positioned on the support flight of the 3rd filter box lower end, and delivery valve is established in acid solution collecting box lower end.Described conical filter is by tapered, or the bottom screen of the tubbiness filter wall of inverted trapezoidal and closed filter wall lower end formed, and is provided with the filter course be made up of filter cloth and filter core in tubbiness filter wall, and tubbiness filter wall upper end edge fixes on the card edge in filter box.Described filter cloth is terylene acupuncture filter cloth.Described settling tank lower end is provided with blowdown valve.Described filter cover upper end is provided with handle.Said structure design reaches object of the present invention.
The present invention can precipitate battery spent acid and triple filter purification, energy low cost, few energy consumption, battery spent acid is recycled on the spot, effectively can solve battery spent acid environmental pollution problem, and it is simple to have structure, purification cost is low, good purification, the sulfuric acid after filtration can reuse, and has the advantage of environmental protection and energy saving and twice laid.
The present invention is except a drawing liquid pump, the precipitation of carry out battery spent acid and triple filter purification process all do not expend the energy, triple filter purification process of the present invention relies on filtrate dead weight and fluid characteristics to complete successively from high to low, without the need to expending the energy, without the need to temperature-pressure process, purification battery spent acid cost is only 2% of conventional purge cost.
The present invention recycles on the spot to battery spent acid, and battery spent acid in the production process of direct reusable lead acid accumulator, can reach state-set standard according to detecting the content purifying impurity in rear spent acid after precipitation and triple filter purification.The problem that effectively can solve the spent acid contaminated environment in storage battery production process and be detrimental to health.Structure of the present invention is simple, is easy to make, use and cost of manufacture low, each parts of triple filter of the present invention are independent mutually, do not interfere with each other, and change filter material and parts conveniently, easy for operation and safety, is beneficial to and promotes the use of.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is partial structurtes schematic diagram of the present invention.
Specific embodiments
As depicted in figs. 1 and 2, a kind of battery waste acid recycling device, comprising:
Settling tank 14, for collecting and store the spent acid produced in storage battery production process and the foreign material precipitated in spent acid, settling tank is positioned at the lower end of first, second filter box on support 13.Pump line 15 inlet of drawing liquid pump 17 communicates with middle part in precipitation casing, and the pump line liquid outlet of drawing liquid pump communicates with the collection acid pond 1 of the first filter box upper end.
Support 13, for supporting first, second, third filter box and acid solution collecting box, support is stepped, and first, second, third filter box and acid solution collecting box are positioned on each flight of support successively from high to low.
First filter box 18, for filtering carrying out first time through the spent acid of precipitation in settling tank, the first filter box is positioned at the flight top of support.Be provided with conical filter 19 in first filter box, the casing of conical filter lower end is communicated with the collection acid pond of the second filter box upper end by liquid valve 4, and conical filter upper end is filter cover 2, and filter cover upper end is the sour pond of collection.Collect top, sour pond to be provided with overflow pipe 3 and to communicate with settling tank upper end, the particle diameter that the conical filter of the first filter box filters is 30 ~ 40 μm.
Second filter box 6, filter for carrying out second time to the filtrate of filtering through the first filter box first time, the second filter box is positioned on the support flight of the first filter box lower end, is provided with conical filter in the second filter box.The casing of conical filter lower end is communicated with the collection acid pond of the 3rd filter box upper end by liquid valve 7, and conical filter upper end is filter cover, and filter cover upper end is the sour pond of collection, collects top, sour pond and is provided with overflow pipe and communicates with settling tank upper end.The particle diameter that the conical filter of the second filter box filters is 10 ~ 15 μm.
3rd filter box 9, filter for carrying out third time to the filtrate of filtering through the second filter box second time, the 3rd filter box is positioned on the support flight of the second filter box lower end, is provided with conical filter in the 3rd filter box.The casing of conical filter lower end is communicated with acid solution collecting box upper end by liquid valve 10.Conical filter upper end is filter cover, and filter cover upper end is the sour pond of collection, and collect top, sour pond and be provided with overflow pipe with settling tank upper end and communicate, the particle diameter that the conical filter of the 3rd filter box filters is 1 ~ 5 μm.
Acid solution collecting box 11, for collecting and store the acid solution of filtering through third time, acid solution collecting box is positioned on the support flight of the 3rd filter box lower end, and delivery valve 12 is established in acid solution collecting box lower end.
Described conical filter is by tapered, or the tubbiness filter wall 23 of inverted trapezoidal formed with the bottom screen 20 closing filter wall lower end, is provided with the filter course 5 be made up of filter cloth 21 and filter core 22 in tubbiness filter wall.The card of tubbiness filter wall upper end edge fixing in filter box is along on 24.Described filter cloth is terylene acupuncture filter cloth.Described settling tank lower end is provided with blowdown valve 16.Described filter cover upper end is provided with handle 8.
The upper end face of each filter box of the present invention is long-pending according to setting parameters such as pending spent acid amount, filtrate flow velocity, permeabilities.Filter core can be its surface and inner keep any of solids here and have infiltrative material.The setting of filter course keeps the straight through arranging of solids here according to establishing juice.
During use, put store producing spent acid in the production process of lead acid accumulator in settling tank, in settling tank, the spent acid sedimentation time is no less than 24 hours, then drawing liquid pump switch is opened, by in the collection of Waste Sulfuric Acid suction first filter box upper end after precipitation in settling tank acid pond, collect spent acid in sour pond and enter through filter cover the impurity that particle diameter that in conical filter, metafiltration is fallen after filtration is 30 ~ 40 μm again, particle thick in spent acid mainly filters by the effect of the first filter box process.Spent acid through the first filter box process enters in the collection acid pond of the second filter box upper end through fluid valve again, the particle diameter that in like manner metafiltration is fallen after filtration in respective conical filter successively in two, three filter boxs to be again the impurity of 10 ~ 15 μm and particle diameter the be impurity of 1 ~ 5 μm.Acid solution after three filter process enters in acid solution collecting box to be reused.
Sediment in sedimentation basin is discharged through blowdown valve and is recycled.When need change filter cloth in tubbiness filter wall and filter core, on only needing, handle is taken from filter cover, namely replaceable.Filter cloth and the treated renewable use of filter core.
In a word, energy low cost of the present invention, few energy consumption, recycles on the spot to battery spent acid, effectively can solve battery spent acid environmental pollution problem, and it is simple to have structure, purification cost is low, good purification, the sulfuric acid after filtration can reuse, and has the advantage of environmental protection and energy saving and twice laid.

Claims (4)

1. a battery waste acid recycling device, is characterized in that: comprise,
Settling tank, for collecting and store the spent acid produced in storage battery production process and the foreign material precipitated in spent acid, settling tank is positioned at the lower end of first, second filter box on support, the pump line inlet of drawing liquid pump communicates with middle part in precipitation casing, and the pump line liquid outlet of drawing liquid pump communicates with the collection acid pond of the first filter box upper end;
Support, for supporting first, second, third filter box and acid solution collecting box, support is stepped, and first, second, third filter box and acid solution collecting box are positioned on each flight of support successively from high to low;
First filter box; for filtering carrying out first time through the spent acid of precipitation in settling tank; first filter box is positioned at the flight top of support; conical filter is provided with in first filter box; the casing of conical filter lower end is communicated with the collection acid pond of the second filter box upper end by liquid valve; conical filter upper end is filter cover; filter cover upper end is the sour pond of collection; collect top, sour pond to be provided with overflow pipe and to communicate with settling tank upper end, the particle diameter that the conical filter of the first filter box filters is 30 ~ 40 μm;
Second filter box; filter for carrying out second time to the filtrate of filtering through the first filter box first time; second filter box is positioned on the support flight of the first filter box lower end; conical filter is provided with in second filter box; the casing of conical filter lower end is communicated with the collection acid pond of the 3rd filter box upper end by liquid valve; conical filter upper end is filter cover; filter cover upper end is the sour pond of collection; collect top, sour pond to be provided with overflow pipe and to communicate with settling tank upper end, the particle diameter that the conical filter of the second filter box filters is 10 ~ 15 μm;
3rd filter box; filter for carrying out third time to the filtrate of filtering through the second filter box second time; 3rd filter box is positioned on the support flight of the second filter box lower end; conical filter is provided with in 3rd filter box; the casing of conical filter lower end is communicated with acid solution collecting box upper end by liquid valve; conical filter upper end is filter cover; filter cover upper end is the sour pond of collection; collect top, sour pond to be provided with overflow pipe and to communicate with settling tank upper end, the particle diameter that the conical filter of the 3rd filter box filters is 1 ~ 5 μm;
Acid solution collecting box, for collecting and store the acid solution of filtering through third time, acid solution collecting box is positioned on the support flight of the 3rd filter box lower end, and delivery valve is established in acid solution collecting box lower end;
Described conical filter is by tapered, or the bottom screen of the tubbiness filter wall of inverted trapezoidal and closed filter wall lower end formed, and is provided with the filter course be made up of filter cloth and filter core in tubbiness filter wall, and tubbiness filter wall upper end edge fixes on the card edge in filter box.
2., by battery waste acid recycling device according to claim 1, it is characterized in that: described filter cloth is terylene acupuncture filter cloth.
3., by battery waste acid recycling device according to claim 1, it is characterized in that: described settling tank lower end is provided with blowdown valve.
4., by battery waste acid recycling device according to claim 1, it is characterized in that: described filter cover upper end is provided with handle.
CN201210178146.6A 2012-06-01 2012-06-01 Battery waste acid recycling device CN102655248B (en)

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Application Number Priority Date Filing Date Title
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CN102655248B true CN102655248B (en) 2015-03-11

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Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103086328B (en) * 2012-12-29 2014-12-10 肇庆理士电源技术有限公司 Formation acid recovery method and facility and method for recycling formation acid with facility
CN104183884A (en) * 2013-07-31 2014-12-03 天能电池(芜湖)有限公司 Lead acid storage battery waste acid recycling technology
CN103643232B (en) * 2013-12-10 2016-04-06 天能电池(芜湖)有限公司 A kind of smear drenches the rear waste acid recycling device of acid
CN103985918B (en) * 2014-05-15 2016-08-24 天能电池(芜湖)有限公司 A kind of accumulator spent acid processing means
CN104289017B (en) * 2014-10-22 2016-03-16 浙江晟辉科技有限公司 A kind of acid filter
CN104922973B (en) * 2015-05-29 2017-06-06 天能电池(芜湖)有限公司 Pole plate drenches the spent acid filter of acid

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Publication number Priority date Publication date Assignee Title
CN1722511A (en) * 2004-07-16 2006-01-18 郝华 Waste vitriol re-use technics and apparatus for accumulator plate product
CN202145487U (en) * 2011-06-30 2012-02-15 超威电源有限公司 Waste acid reusing device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1722511A (en) * 2004-07-16 2006-01-18 郝华 Waste vitriol re-use technics and apparatus for accumulator plate product
CN202145487U (en) * 2011-06-30 2012-02-15 超威电源有限公司 Waste acid reusing device

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