CN107988483A - The method of Metal Values From Spent Lithium-ion Batteries recycling - Google Patents
The method of Metal Values From Spent Lithium-ion Batteries recycling Download PDFInfo
- Publication number
- CN107988483A CN107988483A CN201711289256.9A CN201711289256A CN107988483A CN 107988483 A CN107988483 A CN 107988483A CN 201711289256 A CN201711289256 A CN 201711289256A CN 107988483 A CN107988483 A CN 107988483A
- Authority
- CN
- China
- Prior art keywords
- roasting
- slag
- carbon dust
- product
- melting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
Abstract
The invention discloses a kind of method of 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 used in the method provided by the invention for providing Metal Values From Spent Lithium-ion Batteries recycling, recovery rate of valuable metals is high.
Description
Technical field
The present invention relates to metal recovery technical field, it is more particularly related in a kind of waste and old lithium ion battery
The method of valuable metal recovery.
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 a kind of applying waste lithium ionic electricity easy to operate, cost is low, organic efficiency is high
The method of valuable metal recovery in pond.
In order to realize these purposes and further advantage according to the present invention, there is provided valuable in a kind of waste and old lithium ion battery
The method of metal recovery, 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
Reproducibility roasts, and low-temperature reduction controls the calcination temperature of rotary kiln when roasting be 600-700 DEG C, roasting time 20-
25min, obtains product of roasting, and the carbon dust dosage is the 40% of waste and old lithium ion battery quality；(2) by the product of roasting with
Slag former mixes, and obtains mixed material, and the quality of product of roasting at least accounts for 10% in the mixed material；The slag former is copper
At least one of metallurgical slag, nickel fibers slag, cobalt metallurgical slag and lime stone and/or the mixture of dolomite；(3) by the mixing
Material puts into melting in electric furnace, by adjusting electric furnace heating power, smelting temperature when controlling the melting for 1400 DEG C~
1650 DEG C, smelting time is more than 10min, control in melting output clinker Al2O3 mass account for 5%~25%, Fe content≤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 one kind in graphite powder, metallurgical coke, coal dust, and carbon dust granularity is 30-50mm.
Preferably, the mass fraction of the lime stone and/or dolomite in slag former is 5%~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 for providing Metal Values From Spent Lithium-ion Batteries recycling is simple, throws
Money 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 Metal Values From Spent Lithium-ion Batteries recycling, comprises the following steps：(1) will be useless
After old lithium ion battery is mixed with carbon dust, enter rotary kiln and carry out low-temperature reduction roasting, control revolution when low-temperature reduction roasts
The calcination temperature of kiln is 600-700 DEG C, roasting time 20-25min, obtains product of roasting, the carbon dust dosage is waste and old lithium
The 40% of ion battery quality；(2) product of roasting is mixed with slag former, obtains mixed material, in the mixed material
The quality of product of roasting at least accounts for 10%；The slag former is copper smelting slag, nickel fibers slag, at least one of cobalt metallurgical slag with
The mixture of lime stone and/or dolomite；(3) mixed material is put into melting in electric furnace, is heated by adjusting electric furnace
Power, it is 1400 DEG C~1650 DEG C to control the smelting temperature during melting, and smelting time is more than 10min, controls melting output
Al2O3 mass accounts for 5%~25%, Fe content≤25%, CaO/SiO2≤1.0, conjunction of the melting output containing valuable metal in clinker
Gold and the clinker containing CaO-SiO2-Al2O3-FeO.
The carbon dust is graphite powder, one kind in metallurgical coke, coal dust, and carbon dust granularity is 30-50mm.
The mass fraction of the lime stone and/or dolomite in slag former is 5%~30%.
The quality of product of roasting accounts for 50%~60% in the mixed material.
Embodiment one
A kind of method of Metal Values From Spent Lithium-ion Batteries recycling, comprises the following steps：(1) by applying waste lithium ionic electricity
After pond is mixed with carbon dust, enter rotary kiln and carry out low-temperature reduction roasting, the roasting temperature of rotary kiln is controlled when low-temperature reduction roasts
Spend for 600 DEG C, roasting time 20min, obtain 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 quality of product of roasting in the mixed material
At least account for 10%；The slag former is copper smelting slag, nickel fibers slag, at least one of cobalt metallurgical slag and lime stone and/or white
The mixture of marble；(3) mixed material is put into melting in electric furnace, by adjusting electric furnace heating power, described in control
Smelting temperature during melting is 1400 DEG C, and smelting time is more than 10min, in control melting output clinker Al2O3 mass account for 5%,
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, and carbon dust granularity is 30mm.
The mass fraction of the lime stone and/or dolomite in slag former is 5%.
The quality of product of roasting accounts for 50% in the mixed material.
Embodiment two
A kind of method of Metal Values From Spent Lithium-ion Batteries recycling, comprises the following steps：(1) by applying waste lithium ionic electricity
After pond is mixed with carbon dust, enter rotary kiln and carry out low-temperature reduction roasting, the roasting temperature of rotary kiln is controlled when low-temperature reduction roasts
Spend for 650 DEG C, roasting time 22.5min, obtain 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 quality of product of roasting in the mixed material
At least account for 10%；The slag former is copper smelting slag, nickel fibers slag, at least one of cobalt metallurgical slag and lime stone and/or white
The mixture of marble；(3) mixed material is put into melting in electric furnace, by adjusting electric furnace heating power, described in control
Smelting temperature during melting is 1525 DEG C, and smelting time is more than 10min, in control melting output clinker Al2O3 mass 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, one kind in metallurgical coke, coal dust, and carbon dust granularity is 40mm.
The mass fraction of the lime stone and/or dolomite in slag former is 17.5%.
The quality of product of roasting accounts for 55% in the mixed material.
Embodiment three
A kind of method of Metal Values From Spent Lithium-ion Batteries recycling, comprises the following steps：(1) by applying waste lithium ionic electricity
After pond is mixed with carbon dust, enter rotary kiln and carry out low-temperature reduction roasting, the roasting temperature of rotary kiln is controlled when low-temperature reduction roasts
Spend for 700 DEG C, roasting time 25min, obtain 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 quality of product of roasting in the mixed material
At least account for 10%；The slag former is copper smelting slag, nickel fibers slag, at least one of cobalt metallurgical slag and lime stone and/or white
The mixture of marble；(3) mixed material is put into melting in electric furnace, by adjusting electric furnace heating power, described in control
Smelting temperature during melting is 1650 DEG C, and smelting time is more than 10min, in control melting output clinker Al2O3 mass 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, one kind in metallurgical coke, coal dust, and carbon dust granularity is 50mm.
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 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 1400 DEG C~1650 DEG C to refine temperature, and smelting time is more than 10min, in control melting output clinker Al2O3 mass account for 5%~ 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 one in graphite powder, metallurgical coke, coal dust Kind, and carbon dust granularity is 30-50mm.
- 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 5%~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 |
|---|---|---|---|
| CN201711289256.9A CN107988483A (en) | 2017-12-07 | 2017-12-07 | The method of Metal Values From Spent Lithium-ion Batteries recycling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711289256.9A CN107988483A (en) | 2017-12-07 | 2017-12-07 | The method of Metal Values From Spent Lithium-ion Batteries recycling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107988483A true CN107988483A (en) | 2018-05-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711289256.9A Pending CN107988483A (en) | 2017-12-07 | 2017-12-07 | The method of Metal Values From Spent Lithium-ion Batteries recycling |
Country Status (1)
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| CN (1) | CN107988483A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113718109A (en) * | 2021-09-01 | 2021-11-30 | 兰州有色冶金设计研究院有限公司 | Method for determining slag form of electronic waste smelted in molten pool and slag form |
-
2017
- 2017-12-07 CN CN201711289256.9A patent/CN107988483A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113718109A (en) * | 2021-09-01 | 2021-11-30 | 兰州有色冶金设计研究院有限公司 | Method for determining slag form of electronic waste smelted in molten pool and slag form |
| CN113718109B (en) * | 2021-09-01 | 2022-10-18 | 兰州有色冶金设计研究院有限公司 | Method for determining slag form of electronic waste smelted in molten pool and slag form |
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Legal Events
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| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180504 |
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| WD01 | Invention patent application deemed withdrawn after publication |