CN205016637U - Recycling processed system of battery - Google Patents
Recycling processed system of battery Download PDFInfo
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- CN205016637U CN205016637U CN201520743711.8U CN201520743711U CN205016637U CN 205016637 U CN205016637 U CN 205016637U CN 201520743711 U CN201520743711 U CN 201520743711U CN 205016637 U CN205016637 U CN 205016637U
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- 238000004064 recycling Methods 0.000 title claims abstract description 9
- 239000003792 electrolyte Substances 0.000 claims abstract description 92
- 238000011084 recovery Methods 0.000 claims abstract description 72
- 238000000034 method Methods 0.000 claims abstract description 57
- 239000000463 material Substances 0.000 claims abstract description 48
- 238000012545 processing Methods 0.000 claims abstract description 38
- 239000000843 powder Substances 0.000 claims abstract description 23
- 238000006073 displacement reaction Methods 0.000 claims description 35
- 230000008569 process Effects 0.000 claims description 30
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- 238000003780 insertion Methods 0.000 claims description 12
- 230000037431 insertion Effects 0.000 claims description 12
- 238000005194 fractionation Methods 0.000 claims description 10
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 8
- 239000003463 adsorbent Substances 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 7
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- 238000000926 separation method Methods 0.000 claims description 2
- 230000002463 transducing effect Effects 0.000 claims description 2
- 230000001960 triggered effect Effects 0.000 claims description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 abstract description 28
- 229910001416 lithium ion Inorganic materials 0.000 abstract description 28
- 238000000605 extraction Methods 0.000 abstract 1
- 239000011162 core material Substances 0.000 description 37
- 238000005520 cutting process Methods 0.000 description 33
- 239000007789 gas Substances 0.000 description 20
- 229910052751 metal Inorganic materials 0.000 description 9
- 239000002184 metal Substances 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 7
- 239000000284 extract Substances 0.000 description 7
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- 239000005030 aluminium foil Substances 0.000 description 6
- 239000011889 copper foil Substances 0.000 description 6
- 238000003698 laser cutting Methods 0.000 description 6
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
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- 238000011161 development Methods 0.000 description 3
- 239000005955 Ferric phosphate Substances 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 239000011149 active material Substances 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 235000019441 ethanol Nutrition 0.000 description 2
- 229940032958 ferric phosphate Drugs 0.000 description 2
- 239000010419 fine particle Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 229910000399 iron(III) phosphate Inorganic materials 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
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- 239000002912 waste gas Substances 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 229910010707 LiFePO 4 Inorganic materials 0.000 description 1
- 229910052493 LiFePO4 Inorganic materials 0.000 description 1
- 229910002097 Lithium manganese(III,IV) oxide Inorganic materials 0.000 description 1
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- 238000002679 ablation Methods 0.000 description 1
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- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 239000010405 anode material Substances 0.000 description 1
- 239000012237 artificial material Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
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- 238000010586 diagram Methods 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- QHGJSLXSVXVKHZ-UHFFFAOYSA-N dilithium;dioxido(dioxo)manganese Chemical compound [Li+].[Li+].[O-][Mn]([O-])(=O)=O QHGJSLXSVXVKHZ-UHFFFAOYSA-N 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
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- 239000007924 injection Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- WBJZTOZJJYAKHQ-UHFFFAOYSA-K iron(3+) phosphate Chemical compound [Fe+3].[O-]P([O-])([O-])=O WBJZTOZJJYAKHQ-UHFFFAOYSA-K 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
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- 239000005445 natural material Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
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- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
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- 239000010970 precious metal Substances 0.000 description 1
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- 238000003672 processing method Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
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- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- -1 wherein Substances 0.000 description 1
Classifications
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/84—Recycling of batteries or fuel cells
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- Secondary Cells (AREA)
- Primary Cells (AREA)
Abstract
The utility model discloses a recycling processed system of battery. Wherein, this system includes: battery discharge equipment for it discharges to control pending battery, electrolyte collecting device is connected with battery discharge equipment for the electrolyte of the pending battery after the collection is discharged, the electrolyte treatment facility, collecting device is connected with electrolyte for carry out the recovery processing to electrolyte, battery split equipment is connected with the electrolyte treatment facility for draw the electric core of the pending battery behind the extraction electrolyte, and separate the anodal pole piece and the negative pole pole piece of electric core, removal of materials equipment is connected with battery split equipment for retrieve the active powder that anodal pole piece of follow and negative pole pole piece were isolated. The utility model provides a lack the comprehensive recovery to lithium ion battery in the correlation technique, and the technical problem to the wasting of resources in the lithium ion battery who leads to.
Description
Technical field
The utility model relates to resource circulation utilization field, in particular to a kind of recovery and processing system of battery.
Background technology
Along with the development of electric automobile, the technical requirement of the power source of electric automobile also increases, and wherein, power lithium-ion battery becomes the power source being generally applicable to electric automobile.But, along with the volume production of electric motor car, great development opportunity will be brought for lithium ion battery industry undoubtedly.Along with the application of lithium ion battery on electric automobile, lithium ion battery consumption sharply increases, and will cause using of world's lithium resource and increasing substantially of consuming, be also sizable to the consumption of non-renewable metals resources.Therefore, how to reclaim economic worth in lithium ion battery high, the metal that content is larger, realize the practical problem developed in order to the needs consideration of industry inside of energy-saving and emission-reduction, sustainability.
The material such as positive and negative pole material, electrolyte solution of existing waste lithium ion still has a significant impact environmental and human health impacts.The metal 95% such as lithium, iron, manganese, nickel, copper contained in lithium ion battery can recycling.Especially to environmental protection recovery and the resource reutilization of power lithium-ion battery, not only greatly can save lithium resource, and be conducive to the sustainable development of environmental protection and economic society, produce huge environmental benefit, and significant economic and social benefit.But the high level at present for lithium ion ground battery reclaims, and researcher mainly still concentrates on laboratory stage, and to explore maximum be ternary material, cobalt acid lithium, the recycling of lithium manganate battery.And for the extensive power lithium-ion battery-ferric phosphate lithium cell used relate to relatively less because containing precious metal element in LiFePO 4 material, cost is lower, relatively much little to the pollution of environment.But along with the inefficacy of ferric phosphate lithium cell, a large amount of lithium iron phosphate dynamic battery process is also problem demanding prompt solution.
And a lot of small enterprise, because of limited investment, is simply equipped in existing recovery industry, synthetical recovery cannot be carried out to various valuable resources contained in waste material, cause many valuable resources to be wasted, simultaneously serious environment pollution again.
Wherein, in the various positive electrode of lithium ion battery, ternary system anode material recovery value is the highest, but most widely used LiFePO4, LiMn2O4 class positive electrode recovery value are less in electrokinetic cell, and lithium battery recovery process cost is higher, by the enthusiasm of the recovery income and returned enterprise that greatly affect power lithium-ion battery.Because in waste and old power lithium-ion battery, the recovery income of valuable metal is low, nonstandard recovery will cause serious environmental pollution and the wasting of resources.
For the synthetical recovery lacked in above-mentioned correlation technique lithium ion battery, and the problem to the wasting of resources in lithium ion battery caused, at present effective solution is not yet proposed.
Utility model content
The utility model embodiment provides a kind of recovery and processing system of battery, at least to solve in correlation technique the synthetical recovery lacked lithium ion battery, and the technical problem to the wasting of resources in lithium ion battery caused.
According to an aspect of the utility model embodiment, providing a kind of recovery and processing system of battery, comprising: battery discharge equipment, discharging for controlling pending battery; Electrolyte collecting device, with battery discharge equipment connection, for collecting the electrolyte of the pending battery after electric discharge; Electrolyte treatment facility, is connected with electrolyte collecting device, for recycling electrolyte; Battery splits equipment, is connected with electrolyte treatment facility, for extracting the battery core of the pending battery after extracting electrolyte, and is separated anode pole piece and the cathode pole piece of battery core; Material recovery equipment, splits equipment connection with battery, for reclaiming from isolated active powder material anode pole piece and cathode pole piece.
In the utility model embodiment, by battery discharge equipment, control pending battery and discharge; Electrolyte collecting device, with battery discharge equipment connection, collects the electrolyte of the pending battery after electric discharge; Electrolyte treatment facility, is connected with electrolyte collecting device, recycles electrolyte; Battery splits equipment, is connected with electrolyte treatment facility, extracts the battery core of the pending battery after extracting electrolyte, and is separated anode pole piece and the cathode pole piece of battery core; Material recovery equipment, equipment connection is split with battery, reclaim from isolated active powder material anode pole piece and cathode pole piece, reach the object to lithium ion battery synthetical recovery, thus achieve the technique effect of the resource reutilization efficiency promoted in lithium ion battery, and then solve in correlation technique the synthetical recovery lacked lithium ion battery, and the technical problem to the wasting of resources in lithium ion battery caused.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide further understanding of the present utility model, and form a application's part, schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation of the recovery and processing system of battery according to the utility model embodiment;
Fig. 2 is the structural representation according to the battery discharge equipment in the recovery and processing system of a kind of battery of the utility model embodiment;
Fig. 3 is the structural representation according to the battery discharge equipment in the recovery and processing system of the another kind of battery of the utility model embodiment;
Fig. 4 is the structural representation according to the electrolyte collecting device in the recovery and processing system of a kind of battery of the utility model embodiment;
Fig. 5 is the structural representation according to the electrolyte collecting device in the recovery and processing system of the another kind of battery of the utility model embodiment;
Fig. 6 is the structural representation according to the electrolyte collecting device in the recovery and processing system of another battery of the utility model embodiment;
Fig. 7 is the structural representation according to the electrolyte treatment facility in the recovery and processing system of a kind of battery of the utility model embodiment;
Fig. 8 is the structural representation splitting equipment according to the battery in the recovery and processing system of a kind of battery of the utility model embodiment;
Fig. 9 is the structural representation splitting equipment according to the battery in the recovery and processing system of the another kind of battery of the utility model embodiment;
Figure 10 is the structural representation splitting equipment according to the battery in the recovery and processing system of another battery of the utility model embodiment; And,
Figure 11 is the structural representation according to the material recovery equipment in the recovery and processing system of a kind of battery of the utility model embodiment.
Embodiment
The utility model scheme is understood better in order to make those skilled in the art person, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the embodiment of the utility model part, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all should belong to the scope of the utility model protection.
It should be noted that, term " first ", " second " etc. in specification of the present utility model and claims and above-mentioned accompanying drawing are for distinguishing similar object, and need not be used for describing specific order or precedence.Should be appreciated that the data used like this can be exchanged in the appropriate case, so as embodiment of the present utility model described herein can with except here diagram or describe those except order implement.In addition, term " comprises " and " having " and their any distortion, intention is to cover not exclusive comprising, such as, contain those steps or unit that the process of series of steps or unit, method, system, product or equipment is not necessarily limited to clearly list, but can comprise clearly do not list or for intrinsic other step of these processes, method, product or equipment or unit.
According to the utility model embodiment, provide a kind of embodiment of recovery and processing system of battery, Fig. 1 is the structural representation of the recovery and processing system of battery according to the utility model embodiment, and as shown in Figure 1, this system comprises:
Battery discharge equipment 12, discharges for controlling pending battery;
Here the recovery and processing system of battery that the embodiment of the present application provides goes for the recycling of lithium ion battery, wherein, needs to carry out Safety Pre process before treating treatment of battery and disassembling recovery.
Concrete, Safety Pre processing procedure can be: first screen battery outward appearance, and apparently sound battery directly can carry out discharge process, and can outward appearance be confirmed whether there be not electricity after having damaged battery to assess, also discharge by connecting circuit.Here battery is divided three classes: 1, well-tended appearance, 2, outward appearance has distortion without damaged, 3, outward appearance is damaged, leakage.Discharge processes the embodiment of the present application corresponding for this three classes battery is specific as follows:
Wherein, for the battery of 60Ah, discharge processes is as follows:
(1) 4A current discharge is to 2.0V, leaves standstill 10min;
(2) 2A current discharge is to 1.0V, leaves standstill 10min;
(3) 0.5A current discharge is to 0.2V, leaves standstill 10min;
(4) 0.2A current discharge is to 0V.
Therefore for the electrokinetic cell of different capabilities, the discharge processes provided as follows:
(1) 0.6C current discharge is to 2.0V, leaves standstill 10min;
(2) 0.3C current discharge is to 1.0V, leaves standstill 10min;
(3) 0.01C current discharge is to 0.2V, leaves standstill 10min;
(4) 0.003C current discharge is to 0V.
Electrolyte collecting device 14, is connected with battery discharge equipment 12, for collecting the electrolyte of the pending battery after electric discharge;
In the embodiment of the present application, electrolyte collecting device 14 extracts in the process of the electrolyte of pending battery, because the electrolyte of pending inside battery has volatility, harmful, need to carry out processing to reach innoxious object, therefore, the embodiment of the present application is by injecting displacement liquid at inside battery, extract most of electrolyte, avoid the harm of electrolyte.
Electrolyte treatment facility 16, is connected with electrolyte collecting device 14, for recycling electrolyte;
Wherein, in the recovery and processing system of the battery that the embodiment of the present application provides, electrolyte treatment facility 16 makes displacement liquid be separated with electrolyte by heating, collects displacement liquid; Finally by the waste gas in heating process and aqueous slkali neutralisation treatment, thus realize the recovery of electrolyte.
Battery splits equipment 18, is connected with electrolyte treatment facility 16, for extracting the battery core of the pending battery after extracting electrolyte, and is separated anode pole piece and the cathode pole piece of battery core;
Wherein, battery splits equipment 18 and disassembles the pending battery extracting electrolyte, and the battery core extracting pending battery comprises: control disassembling apparatus utilizes the combination of one or more in laser cutting method, plasma cut method, high pressure waterjet method and electric saw patterning method, disassemble the pending battery extracting electrolyte, and extract battery core.
For pending battery for 66Ah box hat battery cell, battery is opened, just can carry out follow-up classification recycling.The embodiment of the present application can adopt different disassembling methods, to be opened by the shell of battery cell and do not damage inner core by physical method.Disassembling preparation and can know by early stage, the battery core of battery and the general spacing of the pole of battery case are 2cm, are middlely welded together by the row that refluxes, battery can be about 1.5cm place along battery top to cut, can not damage battery core like this, facilitate follow-up separating treatment, concrete grammar is as follows:
(1) laser cutting method
Laser cutting belongs to one of method for hot cutting.Laser cutting is compared with other method for hot cutting, and total feature is that cut quality is good, and cutting efficiency is high, and cutting speed is fast, and be the low carbon steel plate that the laser cutting 2mm of 1200W is thick with power, cutting speed can reach 600cm/min; The acrylic resin plate that cutting 5mm is thick, cutting speed can reach 1200cm/min.Material does not need clamping to fix when laser cutting, both can save frock clamp, and in turn save the non-cutting time of feeding, discharge.
(2) plasma cut method
Plasma cut is the metal local melting (and evaporation) utilizing the heat of high-temperature plasma electric arc to make workpiece incision, and borrows the isoionic momentum of high speed to get rid of motlten metal to form a kind of processing method of otch.Time its major advantage is cutting thickness little metal, plasma cutting speeds is fast, and especially when cutting common carbon steel sheet, speed can reach 5 to 6 times of oxygen cutting method, cut surface is bright and clean, thermal deformation is little, almost do not have heat affected area.
(3) high pressure waterjet method
High pressure waterjet utilizes ultra-high pressure water fluid jet to carry out cold conditions cutting, and high pressure waterjet equipment forms primarily of high-pressure pump, numerically controlled machining platform and water jet cutting head.Being of wide application of water cutter is general, from metal material to nonmetallic materials, from natural material to artificial material, from food to daily necessities, substantially can cut.Do not produce heat and harmful substance during cutting, material is without thermal effect (cold conditions cutting), convenient, flexible, of many uses.Water Cutting is the cutting process method that current applicability is the strongest.It has following advantage: water cutter be cold conditions cutting, do not produce during cutting thermal effect, indeformable, without dross, without ablation, the physicochemical properties of material can not be changed.Cut surface is neatly level and smooth, and slot is little, adds the characteristic of cooling cutting, can improve stock utilization.
(4) electric saw patterning method
Electric saw cutting is the instrument of the materials such as common cutting metal, on cutting battery, Application comparison is convenient and simple, and equipment cost is low, does not need extra water, electricity and gas supply, but the particularity of battery system relatively, this cutting method should carry out the protection to operating personnel.
With high pressure waterjet method, it is example for water cutter suits equipment that battery splits equipment 18, uses high pressure waterjet equipment, 80 to 100 object diamond dust or garnets selected by abrasive material, cutting water column is 0.3mm to 0.6mm, and cutting speed is 120mm/min, and cutting section controls between 1.5mm to 2.0mm.
Pending battery fixes on Cutting platform, along distance battery top 1.5cm place, is parallel to pending battery top and cuts.Observe pending battery section in cutting process, whether battery core is cut damaged, suitably can adjust cut surface, ensure core material integrality.After battery cutting, from incision, battery core is taken out.
The battery core extracting pending battery comprises: under the environment of sealing, extract battery core.
The recovery and processing system of the battery that the embodiment of the present application provides is described for high pressure waterjet method, is as the criterion, does not specifically limit with the recovery and processing system realizing the battery that the embodiment of the present application provides.
Wherein, the anode pole piece of battery core is separated with cathode pole piece and comprises by battery fractionation equipment 18: control battery fractionation equipment 18 and the core of battery core pulled open, by cutting knife, core is cut into predetermined length, isolate anode pole piece, cathode pole piece and barrier film.
Material recovery equipment 20, splits equipment 18 with battery and is connected, for reclaiming from isolated active powder material anode pole piece and cathode pole piece.
Wherein, control material recovery equipment 20 pairs of anode pole pieces and cathode pole piece carry out ultrasonic wave process, reclaim and comprise from isolated active powder material anode pole piece and cathode pole piece: control material recovery equipment 20 and anode pole piece and cathode pole piece are carried out ultrasonic vibration, active powder material is peeled off from anode pole piece and cathode pole piece, obtain aluminium foil, Copper Foil and active powder material, wherein, aluminium foil is by gained after anode pole piece stripping active powder material, and Copper Foil is by gained after cathode pole piece stripping active powder material.
Alternatively, after obtaining aluminium foil, Copper Foil and active powder material, the recovery and treatment method of battery also comprises: control reclaiming device and ground by aluminium foil, and calcine the first preset duration under the 4th preset temperature, obtains regenerating positive electrode; And, control reclaiming device and Copper Foil is ground, and calcine the second preset duration under the 5th preset temperature, obtain regenerating negative material.
(1) positive electrode is regenerated
Grind to form respectively the 4th preset temperature (such as, 600,700,800,900 DEG C) after fine particle by reclaiming the aluminium foil after drying, H
2calcine the first preset duration (such as, 10 hours) under/Ar mixed atmosphere or High Purity Nitrogen atmosphere, obtain regenerating positive electrode.
(2) negative material is regenerated
Grind to form respectively the 5th preset temperature (such as, 1100,1200 DEG C) after fine particle by reclaiming the Copper Foil after drying, N
2calcine the second preset duration (such as, 10 hours) under atmosphere, obtain regenerating negative material.
For pending battery, the embodiment of the present invention is by disassembling the mode of recovery, and make battery core become the parts such as positive and negative electrode powder, barrier film, housing, electrolyte then carries out harmless treatment by chemical mode, makes battery core become initial condition.If regenerate positive electrode, purification etc. processes again can utilize, old and useless battery is turned waste into wealth.
The recovery and processing system of the battery that the utility model embodiment provides, by battery discharge equipment, controls pending battery and discharges; Electrolyte collecting device, with battery discharge equipment connection, collects the electrolyte of the pending battery after electric discharge; Electrolyte treatment facility, is connected with electrolyte collecting device, recycles electrolyte; Battery splits equipment, is connected with electrolyte treatment facility, extracts the battery core of the pending battery after extracting electrolyte, and is separated anode pole piece and the cathode pole piece of battery core; Material recovery equipment, equipment connection is split with battery, reclaim from isolated active powder material anode pole piece and cathode pole piece, reach the object to lithium ion battery synthetical recovery, thus achieve the technique effect of the resource reutilization efficiency promoted in lithium ion battery, and then solve in correlation technique the synthetical recovery lacked lithium ion battery, and the technical problem to the wasting of resources in lithium ion battery caused.
Preferably, Fig. 2 is the structural representation according to the battery discharge equipment in the recovery and processing system of a kind of battery of the utility model embodiment, as shown in Figure 2, battery discharge equipment 12 comprises: DC power supply 121, radiator fan 122, voltmeter 123, battery insertion groove 124 and discharge control device 125, wherein
DC power supply 121, is electrically connected with radiator fan 122, for providing power supply to input to radiator fan;
Radiator fan 122, for providing wind-force to dispel the heat to battery discharge equipment;
Voltmeter 123, is electrically connected with battery insertion groove 124, for obtaining the voltage of the pending battery be connected with battery insertion groove;
Battery insertion groove 124, is connected with voltmeter 123 and electric discharge device 125 respectively, for fixing pending battery;
Discharge control device 125, is connected with battery insertion groove 124 and voltmeter 123 respectively, for controlling pending battery discharge.
Battery discharge equipment 12 in the embodiment of the present application provides the form of conductive discharge to treat treatment of battery to discharge, and wherein, discharge resistance can be 1 Ω, and concrete discharge flow path is as follows:
Under in the embodiment of the present application, battery discharge equipment 12 works in the AC power of 220V, when treating treatment of battery electric discharge, first, connect 220V power supply, battery discharge equipment 12 starts; Secondly, Closing Switch, DC power supply 121 pairs of radiator fans 122 are powered, and radiator fan starts to carry out physics heat radiation to battery discharge equipment 12; 3rd, the voltage of the pending battery in battery insertion groove 124 is detected according to voltmeter 123; 4th, when the voltage of pending battery is down to voltage drop to 0.2V, closed by control switch in discharge control device 125, reopen control switch again after leaving standstill 30min and by the tension discharge of pending battery to 0.02V; Finally, after electric discharge completes, close discharge control device 125, DC power supply 121 and radiator fan 122.
Wherein, in the embodiment of the present application, for subsequent recovery flow process is provided convenience, after electric discharge terminates, pending battery marking pen draws cutting line and measuring voltage at battery top, if voltage is less than 1.5V, then marks in positive pole side.
Here battery discharge equipment 12 adopts the battery insertion groove 124 of 6 channel-types to design, and the pending battery that can meet in each passage works alone in discharge process, and to each pending battery individual secure protection.
Preferably, Fig. 3 is the structural representation according to the battery discharge equipment in the recovery and processing system of the another kind of battery of the utility model embodiment, as shown in Figure 3, discharge control device 125 comprises: control switch 12511, wherein, control switch 12511, for controlling pending battery discharge number of times.
Preferably, Fig. 4 is the structural representation according to the electrolyte collecting device in the recovery and processing system of a kind of battery of the utility model embodiment, and as shown in Figure 4, electrolyte collecting device 14 comprises: ventilating kitchen 141, displacement box 142 and AC tube 143, wherein,
Ventilating kitchen 141, for detaching the gas in electrolyte collecting device 14;
Displacement box 142, is connected with AC tube 143, for displacement liquid being injected pending battery by AC tube 143;
AC tube 143, is connected with pending battery, for extracting the mixing material of displacement liquid in pending battery and electrolyte.
Wherein, in the embodiment of the present application, ventilating kitchen 141 carries two output ports and controls fluid injection and drawing liquid.Electrolyte collecting device 14 agent structure adopts the welding of cube square tube, and peripheral sheet metal component is coated, adopts computer baking vanish; Inwall adopts SUS304 stainless steel coated.Explosion proof window adopts acrylic board to inlay.
By electrolyte collecting device 14, displacement liquid is filled into pending inside battery by replacing box 142 via interchange shop 143, finally, by interchange shop, the mixing material being mixed with displacement liquid and electrolyte is extracted out by pending battery, thus the electrolyte collected in pending battery, reduce the pernicious gas brought after pending battery is disassembled.
Preferably, Fig. 5 is the structural representation according to the electrolyte collecting device in the recovery and processing system of the another kind of battery of the utility model embodiment, as shown in Figure 5, ventilating kitchen 141 comprises: electric rotating machine 1411 and fan 1412, wherein, electric rotating machine 1411, is electrically connected with fan 1412, for drive fan 1412.
Preferably, displacement liquid is absolute ethyl alcohol.
Preferably, Fig. 6 is the structural representation according to the electrolyte collecting device in the recovery and processing system of another battery of the utility model embodiment, and as shown in Figure 6, electrolyte collecting device 14 also comprises: acoustic-optic alarm 144, displacement control device 145 and transducer 146, wherein
Displacement control device 145, with ventilating kitchen 141 with replace box 142 and be connected, opens or cut out for controlling electrolyte replacement process;
Audible-visual annunciator 144, is electrically connected with transducer 146, for the transducing signal trigger alarm prompting triggered according to transducer 146.
Concrete, displacement liquid in displacement box 142 is poured into pending battery by controlling displacement box 142 by displacement control device 145, if pending battery exists air release in the process of collecting electrolyte, then monitor this gas content by transducer 146 and acoustic-optic alarm 144 as early warning system and whether exceed safety standard.
Preferably, Fig. 7 is the structural representation according to the electrolyte treatment facility in the recovery and processing system of a kind of battery of the utility model embodiment, and as shown in Figure 7, electrolyte treatment facility 16 comprises: heater 161, vaporising device 162, gathering-device 163 and neutralising arrangement 164, wherein
Vaporising device 162, is connected with heater 161, for adding thermal release to displacement liquid and electrolyte;
Gathering-device 163, is connected with vaporising device 162 and neutralising arrangement 164 respectively, for collecting the electrolyte after separation;
Neutralising arrangement 164, in and the gas that discharges in heating process of vaporising device 162.
Wherein, the operation principle of the electrolyte treatment facility 16 in the embodiment of the present application can be: heating makes displacement liquid be separated with electrolyte, collects displacement liquid; The waste gas that displacement liquid in heating process and electrolyte are discharged and aqueous slkali neutralisation treatment.
The displacement liquid that the embodiment of the present application provides is for ethanol, vaporising device 162 is described for Rotary Evaporators, specifically as follows in the process be separated with electrolyte displacement liquid: to the process of electrolyte, Rotary Evaporators is used to process displacement mixed liquor, can distill mixed liquor, absorb the tail gas produced, displacement liquid ethanol continues to use, and processes residue cut.
To the process of tail gas, the embodiment of the present application adds prime vent gas treatment part thus by tail gas absorption at vacuum pump.In system, 50 DEG C are cooled to the process of residue cut, enter little water by liquid flowing valve, by-pass cock to 120 DEG C, when producing without white smoke in revolving bottle, stop heating, after system cooling, take down revolving bottle and the inside remaining liq is poured in strong caustic carry out harmless treatment.
From the above, simple to operate in the process that the electrolyte treatment facility 16 that the embodiment of the present application provides is separated with electrolyte at displacement liquid, displacement liquid can be made to recycle, finally reach the effect of the innoxious decomposition of electrolyte.
Preferably, Fig. 8 is the structural representation splitting equipment according to the battery in the recovery and processing system of a kind of battery of the utility model embodiment, and as shown in Figure 8, battery splits equipment 18 and comprises: unreel device 181, cut-off knife 182, disposable box 183, circulating fan 184 and gloves perforate 185, wherein
Unreel device 181, is connected with cut-off knife 182, for being disassembled the battery core of pending battery by gloves perforate 185 operation, and is separated anode pole piece and the cathode pole piece of battery core;
Disposable box 183, for collecting the active powder material in battery core;
Circulating fan 184, for adsorbing the gas in battery fractionation equipment.
Concrete, in view of electrolyte when battery core is disassembled is to the harm of human body and environment, battery core open after we use gloves perforate 185 pairs of battery cores to carry out deconsolidation process, and by cut-off knife 182, pole piece is cut into fixed length, so that high efficiente callback powder.When disassembling by core intermediate sleeve on unreel device 181, pull open core and cut out after regular length, and be separated both positive and negative polarity and barrier film, collected by disposable box 183, and by circulating fan 184 extract be adsorbed on disassemble battery time battery split gas in equipment 18.
Preferably, Fig. 9 is the structural representation splitting equipment according to the battery in the recovery and processing system of the another kind of battery of the utility model embodiment, and as shown in Figure 9, unreel device 181 comprises: unreel cylinder 1811, volume heart putting hole 1812 and unreel baffle plate 1813, wherein
Volume heart putting hole 1812, for placing unreel cylinder 1811;
Unreel cylinder 1811, is connected with unreel baffle plate 1813, for launching battery core;
Unreel baffle plate 1813, for fixing unreel cylinder 1811.
Concrete, can obtain shown in composition graphs 8, battery core is placed on unreel cylinder 1811 by volume heart putting hole 1812, and unreel cylinder 1811 is fixed by unreel baffle plate 1813, and then with roller bearing formal expansion battery core.
Preferably, Figure 10 is the structural representation splitting equipment according to the battery in the recovery and processing system of another battery of the utility model embodiment, and as shown in Figure 10, circulating fan 184 comprises: adsorbent equipment 1841, blower fan 1842, suction opeing 1843 and air outlet 1844, wherein
Blower fan 1842, detaches power for providing the gas in battery fractionation equipment;
Suction opeing 1843, is connected with blower fan 1842, for extracting the gas in battery fractionation equipment;
Adsorbent equipment 1841, for adsorbing the gas in battery fractionation equipment;
Air outlet 1844, is connected with adsorbent equipment 1841, for the gas after output processing.
Concrete, circulating fan 184 exceedes safety standard for avoiding battery to split the inner pernicious gas of equipment 18, the gas extracted by suction opeing 1843 by blower fan 1842 is absorbed with adsorbent equipment 1841, further adsorption treatment is carried out to this gas, finally discharge the gas after by adsorbent equipment 1841 by air outlet 1844.
Preferably, Figure 11 is the structural representation according to the material recovery equipment in the recovery and processing system of a kind of battery of the utility model embodiment, and as shown in figure 11, material recovery equipment 20 comprises: positive/negative plate fixture 201, scrub body 202 and retracting device 203, wherein
Positive/negative plate fixture 201, for fixing anode pole piece, and/or, cathode pole piece;
Scrub body 202, is connected with positive/negative plate fixture 201, for scrubbing the active powder material on anode pole piece and cathode pole piece;
Retracting device 203, is connected with scrub body 202, for reclaiming the active powder material on the anode pole piece after scrubbing, cathode pole piece and/or anode pole piece and cathode pole piece.
Concrete, the material recovery equipment 20 that the embodiment of the present application provides is described for ultrasonic wave isolation technics, and wherein, the operation principle of material recovery equipment 20 can be: by positive pole, cathode pole piece ultrasonic vibration, coordinate scrub body, pole piece is separated with powder.
Wherein, anode pole piece and/or cathode pole piece are fixed by positive/negative plate fixture 201, scrubbed according to ultrasonic wave by scrub body 202, active material is peeled off from collector, finally collected by retracting device 203, the Copper Foil of collector and aluminium foil can reuse, and the active material obtained also can carry out regenerating or chemical recovery process.
In addition, in the recovery and processing system of a kind of battery that the embodiment of the present application provides, also comprise: high temperature process furnances,
Wherein, high temperature process furnances is connected with material recovery equipment 20, by high-temperature calcination anode pole piece and/or cathode pole piece, the both positive and negative polarity powder obtained is carried out high-temperature process under an inert atmosphere, make organic substance and the binder decomposed carbonization of attachment, eliminate the impact on material property.Positive pole can process at 700 DEG C in the embodiment of the present application, and negative pole can process at 1100 DEG C.High temperature furnace need check gas flow when operating, and whether loine pressure is normal, and whether cooling meets the requirements.
For pending battery, the embodiment of the present invention is by disassembling the mode of recovery, and make battery core become the parts such as positive and negative electrode powder, barrier film, housing, electrolyte then carries out harmless treatment by chemical mode, makes battery core become initial condition.If regenerate positive electrode, purification etc. processes again can utilize, old and useless battery is turned waste into wealth.
Above-mentioned the utility model embodiment sequence number, just to describing, does not represent the quality of embodiment.
The above is only preferred implementation of the present utility model; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (12)
1. a recovery and processing system for battery, is characterized in that, comprising:
Battery discharge equipment, discharges for controlling pending battery;
Electrolyte collecting device, with described battery discharge equipment connection, for collecting the electrolyte of the described pending battery after electric discharge;
Electrolyte treatment facility, is connected with described electrolyte collecting device, for recycling described electrolyte;
Battery splits equipment, is connected with described electrolyte treatment facility, for extracting the battery core of the described pending battery after extracting described electrolyte, and is separated anode pole piece and the cathode pole piece of described battery core;
Material recovery equipment, splits equipment connection with described battery, for reclaiming from isolated active powder material described anode pole piece and described cathode pole piece.
2. system according to claim 1, is characterized in that, described battery discharge equipment comprises: DC power supply, radiator fan, voltmeter, battery insertion groove and discharge control device, wherein,
Described DC power supply, is electrically connected with described radiator fan, for providing power supply to input to described radiator fan;
Described radiator fan, for providing wind-force to dispel the heat to described battery discharge equipment;
Described voltmeter, is electrically connected with described battery insertion groove, for obtaining the voltage of the described pending battery be connected with described battery insertion groove;
Described battery insertion groove, is connected with described voltmeter and electric discharge device respectively, for fixing described pending battery;
Described discharge control device, is connected with described battery insertion groove and described voltmeter respectively, for controlling described pending battery discharge.
3. system according to claim 2, is characterized in that, described discharge control device comprises: control switch, and wherein, described control switch, for controlling described pending battery discharge number of times.
4. system according to claim 1, is characterized in that, described electrolyte collecting device comprises: ventilating kitchen, displacement box and AC tube, wherein,
Described ventilating kitchen, for detaching the gas in described electrolyte collecting device;
Described displacement box, is connected with described AC tube, for displacement liquid being injected described pending battery by described AC tube;
Described AC tube, is connected with described pending battery, for extracting the mixing material of displacement liquid in described pending battery and electrolyte.
5. system according to claim 4, is characterized in that, described ventilating kitchen comprises: electric rotating machine and fan, and wherein, described electric rotating machine, is electrically connected with described fan, for driving described fan.
6. system according to claim 4, is characterized in that, described displacement liquid is absolute ethyl alcohol.
7. system according to claim 4, is characterized in that, described electrolyte collecting device also comprises: acoustic-optic alarm, displacement control device and transducer, wherein,
Described displacement control device, is connected with described ventilating kitchen and described displacement box, opens for controlling electrolyte replacement process or closes;
Described audible-visual annunciator, is connected with described sensor electrical, points out for the transducing signal trigger alarm according to sensor-triggered.
8. system according to claim 4, is characterized in that, described electrolyte treatment facility comprises: heater, vaporising device, gathering-device and neutralising arrangement, wherein,
Described vaporising device, is connected with described heater, for adding thermal release to described displacement liquid and described electrolyte;
Described gathering-device, is connected with described vaporising device and described neutralising arrangement respectively, for collecting the electrolyte after separation;
Described neutralising arrangement, for neutralizing the gas that described vaporising device discharges in heating process.
9. system according to claim 1, is characterized in that, described battery splits equipment and comprises: unreel device, cut-off knife, disposable box, circulating fan and gloves perforate, wherein,
Described unreel device, is connected with described cut-off knife, for being disassembled the battery core of described pending battery by described gloves tap operation, and is separated anode pole piece and the cathode pole piece of described battery core;
Described disposable box, for collecting the active powder material in described battery core;
Described circulating fan, for adsorbing the gas in described battery fractionation equipment.
10. system according to claim 9, is characterized in that, described unreel device comprises: unreel cylinder, volume heart putting hole and unreel baffle plate, wherein,
Described volume heart putting hole, for placing described unreel cylinder;
Described unreel cylinder, is connected with described unreel baffle plate, for launching described battery core;
Described unreel baffle plate, for fixing described unreel cylinder.
11. systems according to claim 9, is characterized in that, described circulating fan comprises: adsorbent equipment, blower fan, suction opeing and air outlet, wherein,
Described blower fan, detaches power for providing the gas in described battery fractionation equipment;
Described suction opeing, is connected with described blower fan, for extracting the described gas in described battery fractionation equipment;
Described adsorbent equipment, for adsorbing the described gas in described battery fractionation equipment;
Described air outlet, is connected with described adsorbent equipment, for the described gas after output processing.
12. systems according to claim 1, is characterized in that, described material recovery equipment comprises: positive/negative plate fixture, scrub body and retracting device, wherein,
Described positive/negative plate fixture, for fixing described anode pole piece, and/or, described cathode pole piece;
Described scrub body, is connected with described positive/negative plate fixture, for scrubbing the active powder material on described anode pole piece and described cathode pole piece;
Described retracting device, is connected with described scrub body, for reclaiming the active powder material on the anode pole piece after scrubbing, cathode pole piece and/or described anode pole piece and described cathode pole piece.
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| CN201520743711.8U CN205016637U (en) | 2015-09-23 | 2015-09-23 | Recycling processed system of battery |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105958150A (en) * | 2016-06-30 | 2016-09-21 | 普定县银丰农业科技发展有限公司 | Comprehensive utilization method for waste lithium ion batteries |
| CN108550947A (en) * | 2018-06-30 | 2018-09-18 | 贵州中伟资源循环产业发展有限公司 | Waste lithium cell electrolyte lithium hexafluoro phosphate recycle device and application method |
| CN112202213A (en) * | 2019-12-31 | 2021-01-08 | 浙江华友循环科技有限公司 | Lithium ion battery module physical discharge equipment and physical discharge method thereof |
| CN115636410A (en) * | 2022-09-21 | 2023-01-24 | 安徽清能碳再生科技有限公司 | Intelligent control system of lithium battery negative electrode waste recycling and regenerating reaction system |
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2015
- 2015-09-23 CN CN201520743711.8U patent/CN205016637U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105958150A (en) * | 2016-06-30 | 2016-09-21 | 普定县银丰农业科技发展有限公司 | Comprehensive utilization method for waste lithium ion batteries |
| CN105958150B (en) * | 2016-06-30 | 2019-07-12 | 普定县银丰农业科技发展有限公司 | A kind of method of comprehensive utilization of waste and old lithium ion battery |
| CN108550947A (en) * | 2018-06-30 | 2018-09-18 | 贵州中伟资源循环产业发展有限公司 | Waste lithium cell electrolyte lithium hexafluoro phosphate recycle device and application method |
| CN112202213A (en) * | 2019-12-31 | 2021-01-08 | 浙江华友循环科技有限公司 | Lithium ion battery module physical discharge equipment and physical discharge method thereof |
| CN115636410A (en) * | 2022-09-21 | 2023-01-24 | 安徽清能碳再生科技有限公司 | Intelligent control system of lithium battery negative electrode waste recycling and regenerating reaction system |
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