CN109365828A - A kind of ultra-fine powder producing method of flake zinc aluminium alloy - Google Patents
A kind of ultra-fine powder producing method of flake zinc aluminium alloy Download PDFInfo
- Publication number
- CN109365828A CN109365828A CN201811584744.7A CN201811584744A CN109365828A CN 109365828 A CN109365828 A CN 109365828A CN 201811584744 A CN201811584744 A CN 201811584744A CN 109365828 A CN109365828 A CN 109365828A
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- China
- Prior art keywords
- zinc
- allumen
- aluminium alloy
- condensation
- powder
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- 239000000843 powder Substances 0.000 title claims abstract description 44
- 229910000611 Zinc aluminium Inorganic materials 0.000 title claims abstract description 29
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 29
- 239000000956 alloy Substances 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims abstract description 17
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 24
- 238000001704 evaporation Methods 0.000 claims abstract description 21
- 238000009833 condensation Methods 0.000 claims abstract description 20
- 230000005494 condensation Effects 0.000 claims abstract description 20
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 18
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 18
- 230000008020 evaporation Effects 0.000 claims abstract description 15
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 13
- 239000011701 zinc Substances 0.000 claims abstract description 13
- 229910001297 Zn alloy Inorganic materials 0.000 claims abstract description 12
- 239000004411 aluminium Substances 0.000 claims abstract description 12
- 238000010438 heat treatment Methods 0.000 claims abstract description 12
- 239000007788 liquid Substances 0.000 claims abstract description 12
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 12
- 238000000746 purification Methods 0.000 claims abstract description 12
- 239000002002 slurry Substances 0.000 claims abstract description 12
- 229910052751 metal Inorganic materials 0.000 claims abstract description 11
- 239000002184 metal Substances 0.000 claims abstract description 11
- 239000002994 raw material Substances 0.000 claims abstract description 7
- 238000001035 drying Methods 0.000 claims abstract description 6
- 239000000706 filtrate Substances 0.000 claims abstract description 6
- 230000008018 melting Effects 0.000 claims abstract description 6
- 238000002844 melting Methods 0.000 claims abstract description 6
- 239000003345 natural gas Substances 0.000 claims abstract description 6
- 239000011261 inert gas Substances 0.000 claims description 14
- 229910052754 neon Inorganic materials 0.000 claims description 4
- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 claims description 4
- 239000007789 gas Substances 0.000 claims description 3
- 229910052734 helium Inorganic materials 0.000 claims description 3
- 239000001307 helium Substances 0.000 claims description 3
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 description 6
- 230000006911 nucleation Effects 0.000 description 4
- 238000010899 nucleation Methods 0.000 description 4
- 238000010025 steaming Methods 0.000 description 3
- 238000005054 agglomeration Methods 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 2
- HXFVOUUOTHJFPX-UHFFFAOYSA-N alumane;zinc Chemical compound [AlH3].[Zn] HXFVOUUOTHJFPX-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/12—Making metallic powder or suspensions thereof using physical processes starting from gaseous material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/06—Metallic powder characterised by the shape of the particles
- B22F1/068—Flake-like particles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/04—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/04—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
- B22F2009/043—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling by ball milling
Abstract
The present invention discloses a kind of ultra-fine powder producing method of flake zinc aluminium alloy, one, by zinc ingot metal and aluminium ingot by natural gas under conditions of heating temperature is 550-600 DEG C heating and melting at zinc liquid and molten aluminum, then zinc liquid and filtrate are flowed into evaporation in closed evaporation tank in the case where flow velocity is 0.2-0.5 ton/hours of flow velocity and forms allumen steam, the evaporating temperature in evaporation tank is greater than or equal to 1650 DEG C；Two, the allumen steam after purification is made to alumin(i)um zinc alloy superfine powder under the condensation of condenser after the purification, the temperature of condensation is 160-180 DEG C；Three, the allumen slurry of sheet is then made using ball mill using alumin(i)um zinc alloy superfine powder made from step 2 as the raw material of secondary deep processing, and the slurry by pulp, de-oiling, drying and is dispersed that sheet zinc aluminium alloy powder is made；Four, finally sheet zinc aluminium alloy powder obtained in step 3 is dispersed and is polished, flake zinc aluminium alloy superfine powder is made after classification processing.
Description
Technical field
The present invention relates to a kind of ultra-fine powder producing methods of flake zinc aluminium alloy.
Background technique
It is easy to appear agglomeration in liquid phase synthesis in the production technology of current allumen superfine powder, is allowed in this way
Entire production process is complicated for operation, and the consumption of raw material and the energy is more, and production overall cost improves.
Summary of the invention
The present invention provides a kind of ultra-fine powder producing method of flake zinc aluminium alloy, its entire production technology belongs to physics
Change procedure, easy to operate, simple process, securely and reliably.
The invention adopts the following technical scheme: a kind of ultra-fine powder producing method of flake zinc aluminium alloy, it includes following
Step:
Step 1 prepares zinc ingot metal and aluminium ingot, by zinc ingot metal and aluminium ingot through natural gas under conditions of heating temperature is 550-600 DEG C
Then heating and melting flows into zinc liquid and filtrate in the case where flow velocity is 0.2-0.5 ton/hours of flow velocity closed at zinc liquid and molten aluminum
Evaporation forms allumen steam in evaporation tank, and the evaporating temperature in evaporation tank is greater than or equal to 1650 DEG C；
Then step 2 again purifies allumen steam, after the purification condensing the allumen steam after purification
Obtained alumin(i)um zinc alloy superfine powder under the condensation of device, the temperature of condensation are 160-180 DEG C；
Then step 3 is made using alumin(i)um zinc alloy superfine powder made from step 2 as the raw material of secondary deep processing using ball mill
The allumen slurry of sheet, and the slurry by pulp, de-oiling, drying and is dispersed that sheet zinc aluminium alloy powder is made；
Sheet zinc aluminium alloy powder obtained in step 3 is finally dispersed and is polished, flakey is made after classification processing by step 4
Allumen superfine powder.
Inert gas is added in condensation in step 2 of the present invention in condenser, so that allumen integrally can be in micron
The horizontal condensation nodularization nucleation of grade, then carries out air current classifying under the protection of inert gas.The inert gas be helium or
Neon.
The invention has the following advantages: entire production technology of the invention belongs to after using above technical scheme
Physical change process, easy to operate, simple process, securely and reliably, and clean and environmental protection, the flakey zinc-aluminium prepared through the invention
Alloy superfine powder uniform particle sizes are controllable, average thickness 0.1um-0.2um；Average diameter (transverse direction) 5-8um；Proportion: zinc/aluminium >
10, the ratio of control impurity may be implemented using the present invention, avoid or reduce the agglomeration easily occurred in liquid phase synthesis, former material
The consumption of material and the energy is few, and production overall cost is lower.
Detailed description of the invention
Fig. 1 is flow chart of the invention.
Specific embodiment
Embodiment one, in Fig. 1, the present invention provides a kind of ultra-fine powder producing methods of flake zinc aluminium alloy, it includes
Following steps: step 1 prepares zinc ingot metal and aluminium ingot, is 550 DEG C of condition in heating temperature by natural gas by zinc ingot metal and aluminium ingot
Then zinc liquid and filtrate are flowed into closed steaming in the case where flow velocity is 0.2 ton/hour of flow velocity at zinc liquid and molten aluminum by lower heating and melting
Evaporation forms allumen steam in hair pond, and the evaporating temperature in evaporation tank is 1650 DEG C；Step 2, then again to allumen
Steam is purified, and it is ultra-fine that the allumen steam after purification is made to alumin(i)um zinc alloy under the condensation of condenser after the purification
Powder, the temperature of condensation are 160 DEG C, and inert gas is added in condensation in step 2 in condenser, enable allumen entirety
Enough condensation nodularization nucleation horizontal in the micron-scale, then carry out air current classifying, the inert gas under the protection of inert gas
For helium；Then step 3 utilizes ball mill for alumin(i)um zinc alloy superfine powder made from step 2 as the raw material of secondary deep processing
The allumen slurry of sheet is made, and the slurry by pulp, de-oiling, drying and is dispersed that sheet zinc aluminium alloy powder is made；
Sheet zinc aluminium alloy powder obtained in step 3 is finally dispersed and is polished, flakey zinc-aluminium is made after classification processing by step 4
Alloy superfine powder.
Embodiment one, in Fig. 1, the present invention provides a kind of ultra-fine powder producing methods of flake zinc aluminium alloy, it includes
Following steps: step 1 prepares zinc ingot metal and aluminium ingot, is 580 DEG C of condition in heating temperature by natural gas by zinc ingot metal and aluminium ingot
Then zinc liquid and filtrate are flowed into closed steaming in the case where flow velocity is 0.3 ton/hour of flow velocity at zinc liquid and molten aluminum by lower heating and melting
Evaporation forms allumen steam in hair pond, 1700 DEG C of the evaporating temperature in evaporation tank；Then step 2 again steams allumen
Vapour is purified, and the allumen steam after purification is made to alumin(i)um zinc alloy superfine powder under the condensation of condenser after the purification,
The temperature of condensation is 170 DEG C, and inert gas is added in condensation in step 2 in condenser, so that allumen integrally can be
Micrometer level condenses nodularization nucleation, and air current classifying is then carried out under the protection of inert gas, and the inert gas is neon
Gas；Then step 3 is made using alumin(i)um zinc alloy superfine powder made from step 2 as the raw material of secondary deep processing using ball mill
The allumen slurry of sheet, and the slurry by pulp, de-oiling, drying and is dispersed that sheet zinc aluminium alloy powder is made；Step
Four, finally sheet zinc aluminium alloy powder obtained in step 3 is dispersed and is polished, flake zinc aluminium alloy is made after classification processing
Superfine powder.
Embodiment one, in Fig. 1, the present invention provides a kind of ultra-fine powder producing methods of flake zinc aluminium alloy, it includes
Following steps: step 1 prepares zinc ingot metal and aluminium ingot, is 600 DEG C of condition in heating temperature by natural gas by zinc ingot metal and aluminium ingot
Then zinc liquid and filtrate are flowed into closed steaming in the case where flow velocity is 0.5 ton/hour of flow velocity at zinc liquid and molten aluminum by lower heating and melting
Evaporation forms allumen steam in hair pond, 1800 DEG C of the evaporating temperature in evaporation tank；Then step 2 again steams allumen
Vapour is purified, and the allumen steam after purification is made to alumin(i)um zinc alloy superfine powder under the condensation of condenser after the purification,
The temperature of condensation is 180 DEG C, and inert gas is added in condensation in step 2 in condenser, so that allumen integrally can be
Micrometer level condenses nodularization nucleation, and air current classifying is then carried out under the protection of inert gas, and the inert gas is neon
Gas；Then step 3 is made using alumin(i)um zinc alloy superfine powder made from step 2 as the raw material of secondary deep processing using ball mill
The allumen slurry of sheet, and the slurry by pulp, de-oiling, drying and is dispersed that sheet zinc aluminium alloy powder is made；Step
Four, finally sheet zinc aluminium alloy powder obtained in step 3 is dispersed and is polished, flake zinc aluminium alloy is made after classification processing
Superfine powder.
Claims (3)
1. a kind of ultra-fine powder producing method of flake zinc aluminium alloy, it is characterized in that it the following steps are included:
Step 1 prepares zinc ingot metal and aluminium ingot, by zinc ingot metal and aluminium ingot through natural gas under conditions of heating temperature is 550-600 DEG C
Then heating and melting flows into zinc liquid and filtrate in the case where flow velocity is 0.2-0.5 ton/hours of flow velocity closed at zinc liquid and molten aluminum
Evaporation forms allumen steam in evaporation tank, and the evaporating temperature in evaporation tank is greater than or equal to 1650 DEG C；
Then step 2 again purifies allumen steam, after the purification condensing the allumen steam after purification
Obtained alumin(i)um zinc alloy superfine powder under the condensation of device, the temperature of condensation are 160-180 DEG C；
Then step 3 is made using alumin(i)um zinc alloy superfine powder made from step 2 as the raw material of secondary deep processing using ball mill
The allumen slurry of sheet, and the slurry by pulp, de-oiling, drying and is dispersed that sheet zinc aluminium alloy powder is made；
Sheet zinc aluminium alloy powder obtained in step 3 is finally dispersed and is polished, flakey is made after classification processing by step 4
Allumen superfine powder.
2. the ultra-fine powder producing method of flake zinc aluminium alloy according to claim 1, it is characterized in that step 2 is in condensation
Inert gas is added in condenser, so that allumen can be integrally nucleated in horizontal condensation nodularization in the micron-scale, then lazy
Air current classifying is carried out under the protection of property gas.
3. the ultra-fine powder producing method of flake zinc aluminium alloy according to claim 2, it is characterized in that the inert gas
For helium or neon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811584744.7A CN109365828A (en) | 2018-12-25 | 2018-12-25 | A kind of ultra-fine powder producing method of flake zinc aluminium alloy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811584744.7A CN109365828A (en) | 2018-12-25 | 2018-12-25 | A kind of ultra-fine powder producing method of flake zinc aluminium alloy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109365828A true CN109365828A (en) | 2019-02-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811584744.7A Pending CN109365828A (en) | 2018-12-25 | 2018-12-25 | A kind of ultra-fine powder producing method of flake zinc aluminium alloy |
Country Status (1)
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1431074A (en) * | 2003-01-24 | 2003-07-23 | 翟国华 | Method for producing zinc powder and its mfg. device |
| CN102615289A (en) * | 2011-01-28 | 2012-08-01 | 杭州华纳塔器科技有限公司 | Evaporation-condensation method for preparing superfine metal powder |
| CN102950293A (en) * | 2012-10-15 | 2013-03-06 | 宁波广博纳米新材料股份有限公司 | Method for producing nano-aluminum powder |
| CN103357867A (en) * | 2013-07-31 | 2013-10-23 | 江苏麟龙新材料股份有限公司 | Scaly multi-element aluminum-zinc-silicon alloy powder and preparation method thereof |
| US20180126464A1 (en) * | 2016-11-09 | 2018-05-10 | Amastan Technologies Llc | Apparatus and method for the production of quantum particles |
-
2018
- 2018-12-25 CN CN201811584744.7A patent/CN109365828A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1431074A (en) * | 2003-01-24 | 2003-07-23 | 翟国华 | Method for producing zinc powder and its mfg. device |
| CN102615289A (en) * | 2011-01-28 | 2012-08-01 | 杭州华纳塔器科技有限公司 | Evaporation-condensation method for preparing superfine metal powder |
| CN102950293A (en) * | 2012-10-15 | 2013-03-06 | 宁波广博纳米新材料股份有限公司 | Method for producing nano-aluminum powder |
| CN103357867A (en) * | 2013-07-31 | 2013-10-23 | 江苏麟龙新材料股份有限公司 | Scaly multi-element aluminum-zinc-silicon alloy powder and preparation method thereof |
| US20180126464A1 (en) * | 2016-11-09 | 2018-05-10 | Amastan Technologies Llc | Apparatus and method for the production of quantum particles |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190222 |
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