CN103515668A - Complete-set device for recycling metal in waste lithium battery - Google Patents
Complete-set device for recycling metal in waste lithium battery Download PDFInfo
- Publication number
- CN103515668A CN103515668A CN201310513175.8A CN201310513175A CN103515668A CN 103515668 A CN103515668 A CN 103515668A CN 201310513175 A CN201310513175 A CN 201310513175A CN 103515668 A CN103515668 A CN 103515668A
- Authority
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- China
- Prior art keywords
- flue gas
- lithium battery
- waste
- waste lithium
- heat
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/54—Reclaiming serviceable parts of waste accumulators
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
-
- 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
Abstract
The invention provides a complete-set device for recycling metal in a waste lithium battery and belongs to the technical field of environmental protection. Materials such as lithium, cobalt, copper, nickel and light rare earth can be extracted from the waste lithium battery; the lithium battery recycling has huge potential commercial value and a broad prospect. According to the design, crushing pre-treatment is performed on the waste lithium battery firstly, feeding is performed, the waste lithium battery enters into a baking room for first baking, and then enters into a rotary incinerator for secondary combustion, three-time cooling is performed continuously and tail gas purification is performed, and smoke is discharged into air after reaching standards finally. During the process of smoke discharging, a rapid cooling device is used to enable the tail gas to be cooled so as to prevent dioxin from being produced. The heat quantity of a plate-type heat exchanger is adopted for recycling, and the purpose of recycling can be achieved.
Description
Affiliated technical field
The present invention relates to a kind of the complete sets of equipment for waste lithium cell metal recovery.Belong to environmental technology field.
Background technology
The lithium ion battery output of 2011 Nian， China is about 12.5 hundred million, becomes the production and consumption country of maximum in the world lithium ion battery.Lithium ion battery generally can be used about 3 years, and within 2012, the discarded lithium ion battery in the whole world has reached 1,000,000,000.
Waste and old lithium ion battery can extract the materials such as lithium, cobalt, copper, nickel, light rare earth, and the recovery of lithium battery has huge potential commercial value, and its recycling has a extensive future.In addition, waste lithium cell produces the composition of pollution as chlorofluorocarbons, halogen flame, mercury, selenium, nickel, lead, chromium etc., and as do not dealt carefully with, directly landfill or burning, will produce serious pollution to air, soil and water.
At home, the recycling mode of scrapping lithium battery is the same with all the other most electron wastes, landfill, burning, compost together with application of city life garbage, and this simple method of disposing of lithium battery has produced serious impact to natural environment.Owing to containing a large amount of lithium hexafluoro phosphate (LiPF in lithium battery
6) organic carbonate electrolyte, LiPF
6there is very strong corrosivity, and very easily reaction generates HF toxic gas with water, and in lithium battery other difficult degradations as DME(Ethyl Methyl Ether), the poisonous and harmful substance such as methyl alcohol, formic acid directly contact with atmosphere, soil and water can be to its generation pollution, and then the ecosystem environment of harm humans.
Anode material for lithium-ion batteries main component is LiCoO
2, it is national that China belongs to poor cobalt, and nature memory space is lower, metallic cobalt mainly relies on import to satisfy the demands, and cobalt belongs to heavy metal element, the simple process mode of lithium battery will make its heavy metal element such as cobalt that contain accumulate in natural environment, finally understands harm humans self.In addition, the various metal materials of waste lithium cell have higher recovery value, therefore, if can reclaim the metals such as lithium, cobalt, copper, nickel, iron, aluminium from waste and old lithium ion battery, not only there is distinct economic, and can avoid its pollution to environment, there is good social benefit.
Summary of the invention
The present invention relates to a kind of for reclaiming the complete sets of equipment of waste lithium cell precious metal.A whole set of waste lithium cell resource recycling system should be able to reclaim on the basis of precious metal resource in realization, by series of process flow process, and the problem of environmental pollution that the discharge of elimination tail gas and residue causes.For meeting above-mentioned requirements, a whole set of lithium battery resource recycling incinerator appts comprises following equipment: baking chamber, waste lithium cell incinerator body, finned tube exchanger, quench tower, using waste heat from tail gas reclaim plate heat exchanger, charging and pipe-line system, electric-control system, smoke eliminator, induced draft fan, free-standing chimney.
The present invention takes following technical method to realize.
(1) preliminary treatment
Waste lithium cell adopts disintegrating machine to carry out broken preliminary treatment before entering rotary incinerator again, and the material that obtains size uniform after fragmentation can significantly improve combustion efficiency; And can reduce the content of CO in tail gas.Refuse after fragmentation enters pretreating zone and carries out the blending of preparing burden of temporary transient Cun Keng， pretreating zone, and whole pretreating zone is also set to airtight micro-vacuum state, and air, in stove induced draft fan is introduced stove, can guarantee that pernicious gas is not excessive like this.
(2) charging
Incineration system is by baking chamber, rotary incinerator and composition of the control system.Through the pending waste lithium cell waste material of preliminary treatment fragmentation, be introduced into band heated type feeding machine after by proper proportion proportioning, waste material is delivered to incinerator charging aperture by the conveyer of feeding machine, completes charging.Waste material can obtain preheating in feeding machine, by 20 ℃, be warmed up to 200 ℃, the heat of whole warm is provided by the conduction oil of the fin-tube heat exchanger outlet of once lowering the temperature, conduction oil passes in chuck, the conduction oil outlet temperature that waste material is completed after preheating is down to 230 ℃, then continues to pass into fin-tube heat exchanger.
(3) once cure
Under the effect of rotary incinerator continuous rotation, waste material does not stop to stir in kiln, first enters baking chamber, carries out the separation of waste material electrolyte, and completes dry, gasification and primary combustion.Through once curing, waste material has completed further preheating, is so also conducive to improve combustion efficiency, can make burning more thorough.
(4) second-time burning
Along with the rotation of kiln body, waste material can be moved to the middle part that temperature is higher, starts pyrolysis, and the material of low ignition point takes fire; Then move to kiln tail, temperature further raises, and hazardous waste is cracked into the fuel gas such as carbon monoxide and waste residue.In rotary incinerator, by waste material being overturn repeatedly and continuing propelling and low ignition point burning of gas, make hazardous waste be decomposed into fuel gas and residue substantially completely.
(5) once cooling
First rotary incinerator outlet flue gas enters finned tube exchanger (flue gas cool-down to 800 ℃) heating and uses from the conduction oil to 260 of the 230 ℃ ℃ waste material preheating of workshop, waste material pre-heating system outlet guide hot oil temperature can be reduced to 230 ℃, then continue to pass into and in finned tube exchanger, carry out the once cooling to flue gas, partial heat energy in high-temperature flue gas is reclaimed again, whole process implementation the Efficient Cycle utilization of heat in same technological process.
(6) reducing temperature twice
When the temperature range of temperature at 250～500 ℃, in waste gas, the regeneration reaction of dioxin will be easy to occur, therefore at utmost avoiding the regeneration of dioxin in tail gas temperature-fall period, finned tube exchanger should be exported to flue gas and drop to rapidly below 200 ℃, so that the generation humidity province of quick " jumping over " dioxin.Technical employing flue gas quenching tower, makes flue gas in the short time, drop to 200 ℃ at the 1s left and right utmost point.Quench tower adopts water spray chilling, in quench tower, by water spray mode, mixes with upstream flue gas, makes flue-gas temperature reduce rapidly to have avoided the vigorous region that dioxin produces; By the cooling water of flue gas, can be recycled for factory in addition.
(7) cooling for the third time
Because quench tower exit gas temperature is 200 ℃, if be now disposed to, in air, not only wasted the energy, but also can cause the thermal pollution of atmosphere.Therefore need to lower the temperature for the third time, this step reclaims plate heat exchanger by using waste heat from tail gas and completes again, and through cooling for the third time, plate heat exchanger outlet temperature is reduced to 150 ℃, has reached flue-gas temperature discharge standard.
(8) gas cleaning and discharge
Through the flue gas of plate heat exchanger outlet, will enter half dry type reaction unit and carry out gas cleaning, in dry type reaction unit, spray into 2 pairs of further depicklings of flue gas of active carbon and Ca (OH), and heavy metal and the materials such as dioxin that may produce will again be adsorbed; The flue gas that carries a large amount of shot-like particles out enters follow-up bag filter from reaction tower, and the unreacted lime of part is attached on filter bag and acid gas by filter bag secondary response again, and removal efficiency is further improved; Finally, last procedure of gas cleaning is wet type depickling, sprays into alkali lye and remove SO in wet type extracting tower
2, the sour gas such as HCl, HF, reach strict standard limit of smog release.Finally by the flue gas of crossing purification, be heated to send into chimney by the effect of induced draft fan after the white cigarette of cancellation and enter in atmosphere.
The beneficial effect of patent of the present invention is:
Designed waste lithium cell metal recovery the complete sets of equipment design principle and the method for the present invention is simply clear, on the basis of adaptable, stable and reliable operation that has retained rotary incinerator, by application quench tower and heat exchanger, flue gas is processed, the hot burn decrement rate that makes to discharge the temperature of flue gas, organic clearance and incineration residue can meet the requirement of GB, heat is carried out to heat exchange recovery, realized resource regeneration; Reduce the discharge of dioxin and carbon monoxide simultaneously, reached the object of harmless treatment.
Accompanying drawing explanation
The process chart of the complete sets of equipment of metal recovery in waste lithium cell
Embodiment
Process chart below in conjunction with the complete sets of equipment is described the complete sets of equipment of metal recovery in waste lithium cell.
The present invention is comprised of baking chamber, waste lithium cell incinerator body, finned tube exchanger, quench tower, using waste heat from tail gas recovery plate heat exchanger, charging and pipe-line system, electric-control system, smoke eliminator, induced draft fan, free-standing chimney.
First waste lithium cell is carried out to broken preliminary treatment, charging; Enter subsequently baking chamber and once cure, then enter rotary incinerator and carry out second-time burning, to realize the abundant combustion decomposition of lithium battery; Then by finned tube exchanger, the flue gas of discharging is once lowered the temperature, the conduction oil of cooling use preheats for the lithium battery of baking chamber; With quench tower, finned tube exchanger is discharged to flue gas and carry out secondary rapid cooling, in the flue gas of jumping over, the generation temperature range of dioxin, avoids the generation of dioxin; Use plate heat exchanger to carry out three coolings to flue gas, it is reached to the temperature standard discharging in atmosphere, energy savings also avoids producing thermal pollution; Plate heat exchanger outlet flue gas carries out sufficient depickling dedusting by dry type-dedusting-wet type syllogic smoke eliminator, finally harmless flue gas is entered to atmosphere by it by chimney by induced draft fan.
Claims (4)
1. this method is a kind of energy-conservation, innoxious, convenient and from waste lithium cell, reclaim efficiently the complete sets of equipment of metal.The present invention preheats and assembled set device that incineration system, tail gas waste heat recovering system and flue gas purification system form by curing, on the basis of adaptable, stable and reliable operation that has retained rotary incinerator, by application quench tower and heat exchanger, flue gas is processed, the hot burn decrement rate that makes to discharge the temperature of flue gas, organic clearance and incineration residue can meet the requirement of GB, heat is carried out to heat exchange recovery, realized resource regeneration; Reduce the discharge of dioxin and carbon monoxide simultaneously, reached the object of harmless treatment.
2. according to right 1, require the described the complete sets of equipment for waste lithium cell metal recovery, it is characterized in that preheating and incineration system, tail gas waste heat recovering system and flue gas purification system three parts form in order by curing.
3. according to right 1, require the described the complete sets of equipment for waste lithium cell metal recovery, it is characterized in that lithium battery was preheated by baking chamber before burning, its origin of heat flue gas heat that finned tube exchanger conduction oil reclaims in flue gas waste heat recovery system.
4. according to right 1, require the described the complete sets of equipment for waste lithium cell metal recovery, it is characterized in that flue gas purification system is by the equipment sequential combination mode of " dry type-dedusting-wet type " syllogic gas cleaning, can fully realize after burning lithium battery and produce deacidifying flue gas dedusting demand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310513175.8A CN103515668A (en) | 2013-10-25 | 2013-10-25 | Complete-set device for recycling metal in waste lithium battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310513175.8A CN103515668A (en) | 2013-10-25 | 2013-10-25 | Complete-set device for recycling metal in waste lithium battery |
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| Publication Number | Publication Date |
|---|---|
| CN103515668A true CN103515668A (en) | 2014-01-15 |
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| CN201310513175.8A Pending CN103515668A (en) | 2013-10-25 | 2013-10-25 | Complete-set device for recycling metal in waste lithium battery |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103730704A (en) * | 2014-01-20 | 2014-04-16 | 赣州市豪鹏科技有限公司 | Method for treating waste secondary battery |
| CN104480311A (en) * | 2014-11-21 | 2015-04-01 | 邱江波 | Method for separating metal and organic matters |
| CN107441915A (en) * | 2017-07-31 | 2017-12-08 | 合肥国轩高科动力能源有限公司 | A kind of processing method of waste and old electrokinetic cell cracking waste gas |
| CN107774698A (en) * | 2017-10-31 | 2018-03-09 | 泰兴市开普蓝环保设备制造有限公司 | A kind of old and useless battery anaerobic catalytic cracking system and method |
| CN107959076A (en) * | 2017-11-13 | 2018-04-24 | 中国恩菲工程技术有限公司 | The processing method of waste and old lithium ion battery |
| CN107978815A (en) * | 2017-11-27 | 2018-05-01 | 淄博国利新电源科技有限公司 | The preprocess method of waste and old power battery |
| CN108172923A (en) * | 2017-11-13 | 2018-06-15 | 中国恩菲工程技术有限公司 | The processing system of waste and old lithium ion battery |
| CN109273790A (en) * | 2018-09-26 | 2019-01-25 | 贵州中伟资源循环产业发展有限公司 | A kind of system for metal recovery in waste lithium cell |
| CN109628741A (en) * | 2017-10-09 | 2019-04-16 | 月岛环境工程株式会社 | The recovery method of valuable metal |
| CN109713315A (en) * | 2018-12-19 | 2019-05-03 | 天能电池(芜湖)有限公司 | Grid smear byproduct for treatment reuse method |
| CN110719963A (en) * | 2017-11-22 | 2020-01-21 | 住友金属矿山株式会社 | Treatment method of lithium ion battery waste |
| CN111939679A (en) * | 2020-07-06 | 2020-11-17 | 浙江天能新材料有限公司 | Flue gas dry purification treatment system and method in lithium battery recycling treatment process |
| CN113745685A (en) * | 2021-09-07 | 2021-12-03 | 派尔森环保科技有限公司 | Waste battery recycling system and process thereof |
| CN114100318A (en) * | 2021-11-30 | 2022-03-01 | 湖南江冶机电科技股份有限公司 | Waste gas reduction and harmless treatment method in waste lithium battery recovery process |
| CN114887698A (en) * | 2022-03-28 | 2022-08-12 | 深圳技术大学 | Lithium battery recovery system capable of avoiding environmental pollution |
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103730704A (en) * | 2014-01-20 | 2014-04-16 | 赣州市豪鹏科技有限公司 | Method for treating waste secondary battery |
| CN104480311A (en) * | 2014-11-21 | 2015-04-01 | 邱江波 | Method for separating metal and organic matters |
| CN107441915A (en) * | 2017-07-31 | 2017-12-08 | 合肥国轩高科动力能源有限公司 | A kind of processing method of waste and old electrokinetic cell cracking waste gas |
| CN109628741A (en) * | 2017-10-09 | 2019-04-16 | 月岛环境工程株式会社 | The recovery method of valuable metal |
| CN107774698A (en) * | 2017-10-31 | 2018-03-09 | 泰兴市开普蓝环保设备制造有限公司 | A kind of old and useless battery anaerobic catalytic cracking system and method |
| CN107959076A (en) * | 2017-11-13 | 2018-04-24 | 中国恩菲工程技术有限公司 | The processing method of waste and old lithium ion battery |
| CN108172923A (en) * | 2017-11-13 | 2018-06-15 | 中国恩菲工程技术有限公司 | The processing system of waste and old lithium ion battery |
| CN108172923B (en) * | 2017-11-13 | 2023-12-15 | 中国恩菲工程技术有限公司 | Treatment system of waste lithium ion battery |
| CN110719963A (en) * | 2017-11-22 | 2020-01-21 | 住友金属矿山株式会社 | Treatment method of lithium ion battery waste |
| CN110719963B (en) * | 2017-11-22 | 2021-10-15 | 住友金属矿山株式会社 | Treatment method of lithium ion battery waste |
| CN107978815A (en) * | 2017-11-27 | 2018-05-01 | 淄博国利新电源科技有限公司 | The preprocess method of waste and old power battery |
| CN107978815B (en) * | 2017-11-27 | 2020-09-11 | 淄博国利新电源科技有限公司 | Pretreatment method of waste power battery |
| CN109273790A (en) * | 2018-09-26 | 2019-01-25 | 贵州中伟资源循环产业发展有限公司 | A kind of system for metal recovery in waste lithium cell |
| CN109713315A (en) * | 2018-12-19 | 2019-05-03 | 天能电池(芜湖)有限公司 | Grid smear byproduct for treatment reuse method |
| CN111939679A (en) * | 2020-07-06 | 2020-11-17 | 浙江天能新材料有限公司 | Flue gas dry purification treatment system and method in lithium battery recycling treatment process |
| CN113745685A (en) * | 2021-09-07 | 2021-12-03 | 派尔森环保科技有限公司 | Waste battery recycling system and process thereof |
| CN114100318A (en) * | 2021-11-30 | 2022-03-01 | 湖南江冶机电科技股份有限公司 | Waste gas reduction and harmless treatment method in waste lithium battery recovery process |
| CN114887698A (en) * | 2022-03-28 | 2022-08-12 | 深圳技术大学 | Lithium battery recovery system capable of avoiding environmental pollution |
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Application publication date: 20140115 |