CN1858289A - Process for producing foamed aluminium heat insulation material - Google Patents
Process for producing foamed aluminium heat insulation material Download PDFInfo
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- CN1858289A CN1858289A CN 200610046770 CN200610046770A CN1858289A CN 1858289 A CN1858289 A CN 1858289A CN 200610046770 CN200610046770 CN 200610046770 CN 200610046770 A CN200610046770 A CN 200610046770A CN 1858289 A CN1858289 A CN 1858289A
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- heat insulating
- heat insulation
- insulation material
- cooled
- powder
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Abstract
The process of producing heat insulating foamed aluminum material relates to heat insulating material production. The production process includes mixing industrial aluminum powder of 800 mesh fineness and 97% over purity and analytically pure CaCO3 powder in the weight ratio of 1 to 0.03-0.035, oxygen-free heating at 1370 deg.c for 10 min, lowering the temperature at speed of 30 deg.c each minute to 500 deg.c, and lowering the temperature to room temperature to obtain the heat insulating foamed aluminum material. The heat insulating foamed aluminum material may be used for common heat insulating as well as special work environment, such as high temperature and high humidity environment, and has high flexibility, high heat insulating effect, high weather resistance and high durability.
Description
Technical field
The present invention relates to a kind of making method of lagging material, particularly relate to a kind of making method of foamed aluminium heat insulation material.
Background technology
Lagging material commonly used at present mainly contains two big classes: the first kind is the inorganic heat insulation material of pearlstone and thermal insulation mortar class; Second class is that EPS is organic foaming insulation board of representative.Wherein the inorganic heat insulation material of the first kind absorbs water easily, and suction back heat-insulating property seriously descends; Though organic foaming insulation board of second class is difficult for suction, easily aging under the Working environment of high temperature, Exposure to Sunlight, long-term heat-insulating property can seriously descend.For some special Working environments, for example high temperature, high humidity environment must be used the lagging material of a kind of high-weatherability, high-durability.At present such lagging material does not also have other kind except multicellular glass, but multicellular glass is hard brittle material, and flexible difference and be difficult to processing also has certain limitation for the insulation of nonplanar objects such as pipeline.
Summary of the invention
The objective of the invention is to overcome the shortcoming of existing lagging material weathering resistance, poor durability and the flexible difference of multicellular glass, improve by test, providing a kind of is raw material with the metallic aluminium, with CaCO
3Be whipping agent, the making method of high insulating effect, high-weatherability, high-durability, flexible good lagging material.
The objective of the invention is to be achieved through the following technical solutions:
A kind of making method of foamed aluminium heat insulation material, its making processes is: select fineness at 800 purpose metallic aluminium powder and CaCO earlier
31: 0.03～0.035 uniform mixing of pressing mass ratio; Then the mixture starvation is heated to 1370 ℃, is incubated 10 minutes, be cooled to 500 ℃ rapidly with the speed of 30 ℃ of per minute kinds; The material that will be cooled to 500 ℃ again continues to be cooled to room temperature, is foamed aluminium heat insulation material.
Described metallic aluminium powder be fineness in 800 purpose purity at the industrial aluminium powder more than 97%, CaCO
3Be analytical pure CaCO
3Powder.
Advantage of the present invention and effect are:
The present invention is a raw material with the metallic aluminium, with CaCO
3Be whipping agent, its product flexibility is good, high insulating effect; Characteristics with high-weatherability, high-durability.
Embodiment
Embodiment 1
Select fineness at 800 purpose metallic aluminium powder and CaCO
3Press mass ratio uniform mixing in 1: 0.03.The mixture starvation is heated to 1370 ℃, is incubated 10 minutes, be cooled to 500 ℃ rapidly with the speed of 30 ℃ of per minute kinds.The material that is cooled to 500 ℃ is continued to be cooled to room temperature, be foamed aluminium heat insulation material.Its porosity is 71%, and thermal conductivity is 0.073W/m
2K.
Embodiment 2
Select fineness at 800 purpose metallic aluminium powder and CaCO
3Press mass ratio uniform mixing in 1: 0.033.The mixture starvation is heated to 1370 ℃, is incubated 10 minutes, be cooled to 500 ℃ rapidly with the speed of 30 ℃ of per minute kinds.The material that is cooled to 500 ℃ is continued to be cooled to room temperature, be foamed aluminium heat insulation material.Its porosity is 77%, and thermal conductivity is 0.067W/m
2K.
Embodiment 3
Select fineness at 800 purpose metallic aluminium powder and CaCO
3Press mass ratio uniform mixing in 1: 0.035.The mixture starvation is heated to 1370 ℃, is incubated 10 minutes, be cooled to 500 ℃ rapidly with the speed of 30 ℃ of per minute kinds.The material that is cooled to 500 ℃ is continued to be cooled to room temperature, be foamed aluminium heat insulation material.Its porosity is 79%, and thermal conductivity is 0.068W/m
2K.
Claims (2)
1. the making method of a foamed aluminium heat insulation material is characterized in that its making processes is: select fineness at 800 purpose metallic aluminium powder and CaCO earlier
31: 0.03～0.035 uniform mixing of pressing mass ratio; Then the mixture starvation is heated to 1370 ℃, is incubated 10 minutes, be cooled to 500 ℃ rapidly with the speed of 30 ℃ of per minute kinds; The material that will be cooled to 500 ℃ again continues to be cooled to room temperature, is foamed aluminium heat insulation material.
2. the making method of a kind of foamed aluminium heat insulation material according to claim 1, it is characterized in that described metallic aluminium powder be fineness in 800 purpose purity at the industrial aluminium powder more than 97%, CaCO
3Be analytical pure CaCO
3Powder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100467705A CN100390315C (en) | 2006-06-01 | 2006-06-01 | Process for producing foamed aluminium heat insulation material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100467705A CN100390315C (en) | 2006-06-01 | 2006-06-01 | Process for producing foamed aluminium heat insulation material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1858289A true CN1858289A (en) | 2006-11-08 |
| CN100390315C CN100390315C (en) | 2008-05-28 |
Family
ID=37297245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100467705A Expired - Fee Related CN100390315C (en) | 2006-06-01 | 2006-06-01 | Process for producing foamed aluminium heat insulation material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100390315C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106113730A (en) * | 2016-06-24 | 2016-11-16 | 哈尔滨时代创新科技发展有限公司 | The foaming basalt materials of a kind of bullet train and manufacture method |
| CN106756188A (en) * | 2017-01-21 | 2017-05-31 | 杨林 | A kind of uniform foamed aluminium preparation method of pore structure |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1208774A (en) * | 1997-08-20 | 1999-02-24 | 沈阳北方净化技术有限公司 | Method for mfg. foamed aluminium |
| US6464933B1 (en) * | 2000-06-29 | 2002-10-15 | Ford Global Technologies, Inc. | Forming metal foam structures |
| CN1189315C (en) * | 2002-11-16 | 2005-02-16 | 昆明理工大学 | Preparation of foamed metal sandwich board using clad rolling method |
-
2006
- 2006-06-01 CN CNB2006100467705A patent/CN100390315C/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106113730A (en) * | 2016-06-24 | 2016-11-16 | 哈尔滨时代创新科技发展有限公司 | The foaming basalt materials of a kind of bullet train and manufacture method |
| CN106113730B (en) * | 2016-06-24 | 2019-01-22 | 哈尔滨时代创新科技发展有限公司 | A kind of the foaming basalt materials and production method of bullet train |
| CN106756188A (en) * | 2017-01-21 | 2017-05-31 | 杨林 | A kind of uniform foamed aluminium preparation method of pore structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100390315C (en) | 2008-05-28 |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080528 |