CN102070204A - Method for producing light-weight carbonyl nickel powder - Google Patents
Method for producing light-weight carbonyl nickel powder Download PDFInfo
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- CN102070204A CN102070204A CN 201010561203 CN201010561203A CN102070204A CN 102070204 A CN102070204 A CN 102070204A CN 201010561203 CN201010561203 CN 201010561203 CN 201010561203 A CN201010561203 A CN 201010561203A CN 102070204 A CN102070204 A CN 102070204A
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- nickel powder
- carbonyl nickel
- steam
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Abstract
The invention discloses a method for producing light-weight carbonyl nickel powder, and relates to a method for producing light-weight carbonyl nickel powder with the loose packed density being 0.5-0.65g/cm<3>. The method is used for producing nickel powder by adopting decomposition of carbonyl nickel, and is characterized in that the temperature distribution of five sections on a decomposer in the decomposition process is as follows: 300 DEG C-320 DEG C, 275 DEG C-285 DEG C, 305 DEG C-315 DEG C, 280 DEG C-290 DEG C and 290 DEG C-300 DEG C; and the volume ratio of the carbonyl nickel steam and CO (carbon monoxide) is 7-20:1. In the method for producing the light-weight carbonyl nickel powder disclosed by the invention, a method for adjusting the temperature distribution of the decomposer and the ratio of the carbonyl nickel steam and the CO is adopted to control the decomposition process of the carbonyl nickel steam in the decomposer, and the loose packed density of the produced carbonyl nickel powder is 0.5-0.65g/cm<3>, so that the market demand on the light-weight carbonyl nickel powder in the battery industry is effectively met.
Description
Technical field
The method that a kind of lightweight carbonyl nickel powder is produced, relating to the loose density scope is 0.5-0.65g/cm
3The production method of lightweight carbonyl nickel powder.
Background technology
Carbonyl nickel powder is to adopt nickle carbonoxide to decompose the nickel powder of producing, and carbonyl nickel powder has purity height, characteristics that metals content impurity is low, and it has the advantages that with respect to the nickel powder of other explained hereafter foreign metal content is low, nonmetallic impurity can be adjusted as required.In the carbonyl nickel powder production process, the nickel powder of different loose densitys has different use fields.According to the data introduction, being applied to the only carbonyl nickel powder loose density of battery industry is 0.5-0.65g/cm
3
At present, disclosed carbonylation metallurgical production technology, can only production loose density scope at 1.1-2.6g/cm
3Carbonyl nickel powder, it is 0.5-0.65g/cm that this powder can not satisfy battery industry requirement loose density scope
3The lightweight carbonyl nickel powder market requirement.This loose density scope carbonyl nickel powder technology of producing not in the present disclosed data.
Summary of the invention
Purpose of the present invention is exactly the deficiency that exists at above-mentioned prior art, and providing the production loose density to be 0.5～0.65g/cm
3The production method of lightweight carbonyl nickel powder.
The objective of the invention is to be achieved through the following technical solutions.
The method that a kind of lightweight carbonyl nickel powder is produced, adopt nickle carbonoxide to decompose and produce nickel powder, the splitter five sections temperature from top to bottom that it is characterized in that decomposition course are distributed as 300-320 ℃ successively, 275-285 ℃, 305-315 ℃, 280-290 ℃, 290-300 ℃, nickle carbonoxide steam and CO volume ratio are 7～20: 1.
The method that a kind of lightweight carbonyl nickel powder of the present invention is produced adopts the method for adjusting splitter temperature distribution and nickle carbonoxide steam and CO ratio, the decomposition course of control nickle carbonoxide steam in splitter, and the carbonyl nickel powder loose density of producing is 0.5～0.65g/cm
3, effectively satisfied battery industry to the lightweight carbonyl nickel powder market requirement.
Embodiment
The method that a kind of lightweight carbonyl nickel powder is produced adopts nickle carbonoxide to decompose and produces nickel powder, and the splitter of its decomposition course five sections temperature from top to bottom are distributed as 300-320 ℃ successively, 275-285 ℃, 305-315 ℃, 280-290 ℃, 290-300 ℃, nickle carbonoxide steam and CO volume ratio are 7～20: 1.
Embodiment 1
In carbonyl nickel powder was produced, splitter adopted five sections temperature distribution, is respectively 300-320 ℃, and 275-285 ℃, 305-315 ℃, 280-290 ℃, 290-300 ℃; Nickle carbonoxide steam and CO ratio (volume ratio) scope are 7: 1, continuous production 160h, and output carbonyl nickel powder 1.75t, the pine dress is 0.5-0.65g/cm than scope
3Nickel powder account for 75% of total amount.
Embodiment 2
In carbonyl nickel powder is produced, splitter adopts five sections temperature distribution, be respectively 300-320 ℃, 275-285 ℃, 305-315 ℃, 280-290 ℃, 290-300 ℃, nickle carbonoxide steam and CO ratio (volume ratio) scope are 12: 1, continuous production 160h, output carbonyl nickel powder 1.75t, the loose density scope is 0.5-0.65g/cm
3Nickel powder account for 85% of total mass.
Embodiment 3
In carbonyl nickel powder is produced, splitter adopts five sections temperature distribution, be respectively 300-320 ℃, 275-285 ℃, 305-315 ℃, 280-290 ℃, 290-300 ℃, nickle carbonoxide steam and CO ratio (volume ratio) scope are 15: 1, continuous production 160h, output nickle carbonoxide 1.36t, the loose density scope is 0.5-0.65g/cm
3Nickel powder account for 90% of total mass.
Embodiment 4
In carbonyl nickel powder is produced, splitter adopts five sections temperature distribution, be respectively 300-320 ℃, 275-285 ℃, 305-315 ℃, 280-290 ℃, 290-300 ℃, nickle carbonoxide steam and CO ratio (volume ratio) scope are 20: 1, continuous production 160h, output carbonyl nickel powder 1.25t, the loose density scope is 0.5-0.65g/cm
3Nickel powder account for 75% of total mass.
Claims (1)
1. the lightweight carbonyl nickel powder method of producing, adopt nickle carbonoxide to decompose and produce nickel powder, the splitter five sections temperature from top to bottom that it is characterized in that decomposition course are distributed as 300-320 ℃ successively, 275-285 ℃, 305-315 ℃, 280-290 ℃, 290-300 ℃, nickle carbonoxide steam and CO volume ratio are 7～20: 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010561203 CN102070204A (en) | 2010-11-23 | 2010-11-23 | Method for producing light-weight carbonyl nickel powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010561203 CN102070204A (en) | 2010-11-23 | 2010-11-23 | Method for producing light-weight carbonyl nickel powder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102070204A true CN102070204A (en) | 2011-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201010561203 Pending CN102070204A (en) | 2010-11-23 | 2010-11-23 | Method for producing light-weight carbonyl nickel powder |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102717067A (en) * | 2012-06-05 | 2012-10-10 | 金川集团股份有限公司 | Method for preparing nickel-coated powder |
| CN104493197A (en) * | 2014-12-07 | 2015-04-08 | 金川集团股份有限公司 | Method for adjusting apparent density of nickel carbonyl powder in decomposition process |
| CN105033264A (en) * | 2015-08-12 | 2015-11-11 | 北京神雾环境能源科技集团股份有限公司 | Method and system for preparing carbonyl nickel powder through laterite nickel ore |
| CN116618642A (en) * | 2023-07-13 | 2023-08-22 | 长沙立优金属材料有限公司 | Nickel powder with large particles and low apparent density and preparation method and application thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1603037A (en) * | 2003-09-29 | 2005-04-06 | 中国科学院兰州化学物理研究所 | Method for preparing superfine nickel carbonyl powder by nickel carbonyl thermal decomposition |
-
2010
- 2010-11-23 CN CN 201010561203 patent/CN102070204A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1603037A (en) * | 2003-09-29 | 2005-04-06 | 中国科学院兰州化学物理研究所 | Method for preparing superfine nickel carbonyl powder by nickel carbonyl thermal decomposition |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102717067A (en) * | 2012-06-05 | 2012-10-10 | 金川集团股份有限公司 | Method for preparing nickel-coated powder |
| CN104493197A (en) * | 2014-12-07 | 2015-04-08 | 金川集团股份有限公司 | Method for adjusting apparent density of nickel carbonyl powder in decomposition process |
| CN105033264A (en) * | 2015-08-12 | 2015-11-11 | 北京神雾环境能源科技集团股份有限公司 | Method and system for preparing carbonyl nickel powder through laterite nickel ore |
| CN116618642A (en) * | 2023-07-13 | 2023-08-22 | 长沙立优金属材料有限公司 | Nickel powder with large particles and low apparent density and preparation method and application thereof |
| CN116618642B (en) * | 2023-07-13 | 2023-10-10 | 长沙立优金属材料有限公司 | Nickel powder with large particles and low apparent density and preparation method and application thereof |
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Application publication date: 20110525 |