CN108034806A - The method of efficient Metal Values From Spent Lithium-ion Batteries recycling - Google Patents
The method of efficient Metal Values From Spent Lithium-ion Batteries recycling Download PDFInfo
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- CN108034806A CN108034806A CN201711288344.7A CN201711288344A CN108034806A CN 108034806 A CN108034806 A CN 108034806A CN 201711288344 A CN201711288344 A CN 201711288344A CN 108034806 A CN108034806 A CN 108034806A
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- Prior art keywords
- roasting
- slag
- carbon dust
- melting
- product
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- 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
- C22B1/00—Preliminary treatment of ores or scrap
- C22B1/02—Roasting processes
-
- 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
- C22B7/001—Dry processes
-
- 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
-
- 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Geochemistry & Mineralogy (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention discloses a kind of method of efficient Metal Values From Spent Lithium-ion Batteries recycling, comprise the following steps：After waste and old lithium ion battery is mixed with carbon dust, enter rotary kiln and carry out low-temperature reduction roasting, low-temperature reduction controls the calcination temperature of rotary kiln when roasting be 600 700 DEG C, and roasting time is 20 25min, product of roasting is obtained, the carbon dust dosage is the 40% of waste and old lithium ion battery quality.Equipment is simple, investment operation cost is low, easy to spread, process energy consumption significantly reduces, recovery rate of valuable metals is high used in the method provided by the invention for providing efficient Metal Values From Spent Lithium-ion Batteries recycling.
Description
Technical field
The present invention relates to metal recovery technical field, it is more particularly related to a kind of efficient applying waste lithium ionic
The method of valuable metal recovery in battery.
Background technology
The metal material industrially used both is from mineral resources.Since mineral resources are limited and non-renewable, with
The mankind's continually develops, these resources are constantly being reduced.And there are substantial amounts of scrap electrical wires, waste and old cable, waste and old line every year
Road plate etc. produces.Above discarded object is not recycled, can not only make the pollution of environment, and wastes limited metals resources.
The prior art is on Metal Values From Spent Lithium-ion Batteries recovery method, mostly complicated and of high cost, effect
Rate is low.
The content of the invention
It is an object of the invention to solve at least the above, and provide the advantages of at least will be described later.
It is a still further object of the present invention to provide have in a kind of efficient waste and old lithium ion battery easy to operate, cost is low
The method of valency metal recovery.
In order to realize these purposes and further advantage according to the present invention, there is provided a kind of efficient waste and old lithium ion battery
The method of middle valuable metal recovery, comprises the following steps：(1) after waste and old lithium ion battery is mixed with carbon dust, enter rotary kiln into
Row low-temperature reduction roasts, and low-temperature reduction controls the calcination temperature of rotary kiln when roasting be 600-700 DEG C, and roasting time is
20-25min, obtains product of roasting, and the carbon dust dosage is the 40% of waste and old lithium ion battery quality；(2) roasting is produced
Thing is mixed with slag former, obtains mixed material, and the quality of product of roasting at least accounts for 10% in the mixed material；The slag former
For at least one of copper smelting slag, nickel fibers slag, cobalt metallurgical slag and lime stone and/or the mixture of dolomite；(3) by described in
Mixed material puts into melting in electric furnace, and by adjusting electric furnace heating power, it is 1500 to control the smelting temperature during melting
DEG C~1600 DEG C, smelting time 30-45min, control Al2O3 mass in melting output clinker to account for 15%~25%, Fe contents
≤ 25%, CaO/SiO2≤1.0, alloy of the melting output containing valuable metal and the clinker containing CaO-SiO2-Al2O3-FeO.
Preferably, the carbon dust is any two kinds in graphite powder, metallurgical coke, coal dust, and carbon dust granularity is 35-
40mm。
Preferably, the mass fraction of the lime stone and/or dolomite in slag former is 25%~30%.
Preferably, the quality of product of roasting accounts for 50%~60% in the mixed material.
The present invention includes at least following beneficial effect：
Equipment used in the method provided by the invention that efficient Metal Values From Spent Lithium-ion Batteries recycling is provided
Simply, investment operation cost is low, easy to spread, process energy consumption significantly reduces, recovery rate of valuable metals is high.
Further advantage, target and the feature of the present invention embodies part by following explanation, and part will also be by this
The research and practice of invention and be understood by the person skilled in the art.
Embodiment
With reference to embodiment, the present invention is described in further detail, to make those skilled in the art with reference to specification
Word can be implemented according to this.
It should be noted that experimental method described in following embodiments, is conventional method unless otherwise specified, institute
Reagent and material are stated, unless otherwise specified, is commercially obtained.
The present invention provides a kind of method of efficient Metal Values From Spent Lithium-ion Batteries recycling, comprises the following steps：
(1) after waste and old lithium ion battery is mixed with carbon dust, enter rotary kiln and carry out low-temperature reduction roasting, low-temperature reduction
The calcination temperature that rotary kiln is controlled during roasting is 600-700 DEG C, roasting time 20-25min, obtains product of roasting, the carbon
Powder dosage is the 40% of waste and old lithium ion battery quality；(2) product of roasting is mixed with slag former, obtains mixed material,
The quality of product of roasting at least accounts for 10% in the mixed material；The slag former is copper smelting slag, nickel fibers slag, cobalt metallurgical slag
At least one of with lime stone and/or the mixture of dolomite；(3) mixed material is put into melting in electric furnace, led to
Toning electricity-saving oven heating power, it is 1500 DEG C~1600 DEG C to control the smelting temperature during melting, smelting time 30-
45min, controls Al2O3 mass in melting output clinker to account for 15%~25%, Fe content≤25%, CaO/SiO2≤1.0, melting
Alloy of the output containing valuable metal and the clinker containing CaO-SiO2-Al2O3-FeO.
The carbon dust is graphite powder, any two kinds in metallurgical coke, coal dust, and carbon dust granularity is 35-40mm.
The mass fraction of the lime stone and/or dolomite in slag former is 25%~30%.
The quality of product of roasting accounts for 50%~60% in the mixed material.
Embodiment one
A kind of method of efficient Metal Values From Spent Lithium-ion Batteries recycling, comprises the following steps：(1) by waste and old lithium
After ion battery is mixed with carbon dust, enter rotary kiln and carry out low-temperature reduction roasting, rotary kiln is controlled when low-temperature reduction roasts
Calcination temperature is 600 DEG C, roasting time 20min, obtains product of roasting, the carbon dust dosage is waste and old lithium ion battery quality
40%；(2) product of roasting is mixed with slag former, obtains mixed material, the matter of product of roasting in the mixed material
Amount at least accounts for 10%；The slag former is copper smelting slag, nickel fibers slag, at least one of cobalt metallurgical slag and lime stone and/or
The mixture of dolomite；(3) mixed material is put into melting in electric furnace, by adjusting electric furnace heating power, controls institute
Smelting temperature when stating melting is 1500 DEG C, smelting time 30min, control in melting output clinker Al2O3 mass to account for 15%,
Fe content≤25%, CaO/SiO2≤1.0, alloy of the melting output containing valuable metal and the stove containing CaO-SiO2-Al2O3-FeO
Slag.
The carbon dust is graphite powder, the mixture of metallurgical coke, and carbon dust granularity is 35mm.
The mass fraction of the lime stone and/or dolomite in slag former is 25%.
The quality of product of roasting accounts for 50% in the mixed material.
Embodiment two
A kind of method of efficient Metal Values From Spent Lithium-ion Batteries recycling, comprises the following steps：(1) by waste and old lithium
After ion battery is mixed with carbon dust, enter rotary kiln and carry out low-temperature reduction roasting, rotary kiln is controlled when low-temperature reduction roasts
Calcination temperature is 650 DEG C, roasting time 22.5min, obtains product of roasting, the carbon dust dosage is waste and old lithium ion battery matter
The 40% of amount；(2) product of roasting is mixed with slag former, obtains mixed material, product of roasting in the mixed material
Quality at least accounts for 10%；The slag former is copper smelting slag, nickel fibers slag, at least one of cobalt metallurgical slag and lime stone and/
Or the mixture of dolomite；(3) mixed material is put into melting in electric furnace, by adjusting electric furnace heating power, control
The smelting temperature during melting is 1550 DEG C, smelting time 37.5min, controls Al2O3 mass in melting output clinker to account for
20%th, Fe content≤25%, CaO/SiO2≤1.0, alloy of the melting output containing valuable metal and containing CaO-SiO2-Al2O3-
The clinker of FeO.
The carbon dust is that metallurgical coke, the mixture of coal dust and carbon dust granularity are 37.5mm.
The mass fraction of the lime stone and/or dolomite in slag former is 27.5%.
The quality of product of roasting accounts for 55% in the mixed material.
Embodiment three
A kind of method of efficient Metal Values From Spent Lithium-ion Batteries recycling, comprises the following steps：(1) by waste and old lithium
After ion battery is mixed with carbon dust, enter rotary kiln and carry out low-temperature reduction roasting, rotary kiln is controlled when low-temperature reduction roasts
Calcination temperature is 700 DEG C, roasting time 25min, obtains product of roasting, the carbon dust dosage is waste and old lithium ion battery quality
40%；(2) product of roasting is mixed with slag former, obtains mixed material, the matter of product of roasting in the mixed material
Amount at least accounts for 10%；The slag former is copper smelting slag, nickel fibers slag, at least one of cobalt metallurgical slag and lime stone and/or
The mixture of dolomite；(3) mixed material is put into melting in electric furnace, by adjusting electric furnace heating power, controls institute
Smelting temperature when stating melting is 1600 DEG C, smelting time 45min, control in melting output clinker Al2O3 mass to account for 25%,
Fe content≤25%, CaO/SiO2≤1.0, alloy of the melting output containing valuable metal and the stove containing CaO-SiO2-Al2O3-FeO
Slag.
The carbon dust is graphite powder, the mixture of coal dust, and carbon dust granularity is 40mm.
The mass fraction of the lime stone and/or dolomite in slag former is 30%.
The quality of product of roasting accounts for 60% in the mixed material.
Although embodiment of the present invention is disclosed as above, it is not restricted in specification and embodiment listed
With it can be applied to various suitable the field of the invention completely, can be easily for those skilled in the art
Realize other modification, therefore under the universal limited without departing substantially from claim and equivalency range, it is of the invention and unlimited
In specific details and shown here as the embodiment with description.
Claims (4)
- A kind of 1. method of efficient Metal Values From Spent Lithium-ion Batteries recycling, it is characterised in that comprise the following steps：(1) after waste and old lithium ion battery is mixed with carbon dust, enter rotary kiln and carry out low-temperature reduction roasting, low-temperature reduction roasting When to control the calcination temperature of rotary kiln be 600-700 DEG C, roasting time 20-25min, obtain product of roasting, the carbon dust is used Measure as the 40% of waste and old lithium ion battery quality；(2) product of roasting is mixed with slag former, obtains mixed material, the quality of product of roasting is extremely in the mixed material 10% is accounted for less；The slag former is at least one of copper smelting slag, nickel fibers slag, cobalt metallurgical slag and lime stone and/or white clouds The mixture of stone；(3) mixed material is put into melting in electric furnace, by adjusting electric furnace heating power, controls the melting during melting It is 1500 DEG C~1600 DEG C, smelting time 30-45min to refine temperature, control in melting output clinker Al2O3 mass account for 15%~ 25%th, Fe content≤25%, CaO/SiO2≤1.0, alloy of the melting output containing valuable metal and containing CaO-SiO2-Al2O3- The clinker of FeO.
- 2. according to the method described in claim 1, it is characterized in that：The carbon dust is graphite powder, appointing in metallurgical coke, coal dust Two kinds of meaning, and carbon dust granularity is 35-40mm.
- 3. according to the method described in claim 1, it is characterized in that：The matter of the lime stone and/or dolomite in slag former It is 25%~30% to measure fraction.
- 4. according to the method described in claim 1, it is characterized in that：In the mixed material quality of product of roasting account for 50%~ 60%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711288344.7A CN108034806A (en) | 2017-12-07 | 2017-12-07 | The method of efficient Metal Values From Spent Lithium-ion Batteries recycling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711288344.7A CN108034806A (en) | 2017-12-07 | 2017-12-07 | The method of efficient Metal Values From Spent Lithium-ion Batteries recycling |
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| Publication Number | Publication Date |
|---|---|
| CN108034806A true CN108034806A (en) | 2018-05-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711288344.7A Pending CN108034806A (en) | 2017-12-07 | 2017-12-07 | The method of efficient Metal Values From Spent Lithium-ion Batteries recycling |
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| CN (1) | CN108034806A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112969664A (en) * | 2018-11-07 | 2021-06-15 | Sk新技术株式会社 | Method for regenerating lithium precursor and system for regenerating lithium precursor |
| CN113430322A (en) * | 2021-06-07 | 2021-09-24 | 中国恩菲工程技术有限公司 | Method for recovering phosphorus and iron in waste lithium iron phosphate battery |
-
2017
- 2017-12-07 CN CN201711288344.7A patent/CN108034806A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112969664A (en) * | 2018-11-07 | 2021-06-15 | Sk新技术株式会社 | Method for regenerating lithium precursor and system for regenerating lithium precursor |
| CN113430322A (en) * | 2021-06-07 | 2021-09-24 | 中国恩菲工程技术有限公司 | Method for recovering phosphorus and iron in waste lithium iron phosphate battery |
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| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180515 |
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| WD01 | Invention patent application deemed withdrawn after publication |