CN103787640A - Novel inorganic thermal insulation coating - Google Patents
Novel inorganic thermal insulation coating Download PDFInfo
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- CN103787640A CN103787640A CN201310707678.9A CN201310707678A CN103787640A CN 103787640 A CN103787640 A CN 103787640A CN 201310707678 A CN201310707678 A CN 201310707678A CN 103787640 A CN103787640 A CN 103787640A
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- Prior art keywords
- powder
- thermal insulation
- heat insulating
- inorganic coating
- insulating inorganic
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Abstract
The invention discloses a novel inorganic thermal insulation coating which comprises the following components in percentage by mass: 32-52% of silica sol, 19.2-54% of MoO3 powder, 9.5-20% of Sn(OH)2 powder, 2.4-10.2% of In(OH)3 powder and 4.8-13.6% of Cs20 powder, wherein the particle size of the powder is less than 100nm. The novel inorganic thermal insulation coating disclosed by the invention has the characteristics of self-heat storage, thermal insulation and energy saving, has the functions of resisting high temperature, preventing ultraviolet rays, resisting aging and the like, can be widely applied to the chamber walls of various boilers, the surfaces of various heat conveying pipelines and the surfaces of various water heaters and electric heaters, and realizes a perfect thermal insulation property.
Description
Technical field
The present invention relates to a kind of heat insulating inorganic coating, this coating has from heat storing and heat preserving energy conservation characteristic, has the functions such as high temperature resistant, ageing-resistant.
Background technology
Along with petering out of fossil energy, the cost that obtains new forms of energy is high, and the saving technical work during various countries are used the energy is paid much attention to, and thinks that power-saving technology is to be related to the Important Action that the mankind keep Sustainable development.Therefore, for boiler industry or hot duct manufacturing enterprise, find a kind of heat insulating inorganic coating to solve the problem of heat exhaustion, significantly save the energy, and improve thermo-efficiency, become a difficult problem in the urgent need to address.
Summary of the invention
The invention reside in provides a kind of and has well in heat storing and heat preserving energy conservation characteristic, has the heat insulating inorganic coating of the function such as high temperature resistant, ageing-resistant.
Heat insulating inorganic coating provided by the invention, its quality percentage composition is: silicon sol 32～52%, MoO
3powder 19.2～54%, Sn (OH)
2powder 9.5～20%, In (OH)
3powder 2.4～10.2%, Cs
20 powder 4.8～13.6%.The granularity of above powder body material is all less than 100nm.
The preparation method of the heat insulating inorganic coating the present invention relates to, comprises the steps: that (1) adds MoO in container
3powder, Sn (OH)
2powder, In (OH)
3powder, Cs
2o powder and fluid additive, control pH value 6～7, and continuously stirring 30～60 minutes, makes mixed sols; (2) mixed sols step (1) being obtained takes out and calcines under the protection of nitrogen after drying, and temperature is controlled at 700～900 ℃, and the time is controlled at 3～5 hours; (3) calcinate of step (2) is ground into fine powder by planetary mills, then is processed into ultrafine powder by high speed impact airflow milling, obtain the MoO below primary particle size 50nm
3nano-powder.
embodiment:
Below in conjunction with specific embodiment, further set forth the present invention.In the embodiment of the present invention, MoO
3powder, stannic hydroxide Sn (OH)
2powder, In (OH)
3powder, Cs
2the purity of O powder is 99.9%, and diameter of particle is less than 100nm.
EXAMPLE l
Take respectively 500g MoO
3powder, 180g stannic hydroxide Sn (OH)
2powder, 10g In (OH)
3powder, 12g Cs
2o powder and partially liq additive.
In container, add successively above-mentioned substance, add hydrochloric acid, control pH value 6～7, use shears continuously stirring 40 minutes, make mixed sols; Mixed sols takes out and calcines under the protection of nitrogen after drying, and temperature is controlled at 700～900 ℃, and the time is controlled at 3～5 hours and obtains calcinate; Calcinate is ground into fine powder by planetary mills, then is processed into ultrafine powder by high speed impact airflow milling, obtains the MoO below primary particle size 50nm
3nano-powder.Take 378 grams of commercially available high temperature resistant alkaline silicon sol, take the MoO that the present embodiment makes
3702 grams of nano-powders, silicon sol and black nano MoO
3homogenizer mix and blend lO minute for powder, makes heat insulating inorganic coating.
Thin-walled insulation coating is brushed to boiler cella wall and water-heater surface, 3 microns of coatings, according to the thermo-efficiency of usual method mensuration water-heater, result shows, compared with not having cated boiler hot hydrophone, its thermo-efficiency of the boiler of brushing thin-walled insulation coating improves 15%.
Claims (3)
1. a heat insulating inorganic coating, is characterized in that, its quality percentage composition is: silicon sol 32～52%, MoO
3powder 19.2～54%, Sn (OH)
2powder 9.5～20%, In (OH)
3powder 2.4～10.2%, Cs
20 powder 4.8～13.6%.
2. according to the heat insulating inorganic coating described in claim l, it is characterized in that, the granularity of material powder is all less than 100nm.
3. heat insulating inorganic coating according to claim 2, is characterized in that, the preparation method of heat insulating inorganic coating comprises the steps: that (1) adds MoO in container
3powder, Sn (OH)
2powder, In (OH)
3powder, Cs
2o powder and fluid additive, control pH value 6～7, and continuously stirring 30～60 minutes, makes mixed sols; (2) mixed sols step (1) being obtained takes out and calcines under the protection of nitrogen after drying, and temperature is controlled at 700～900 ℃, and the time is controlled at 3～5 hours; (3) calcinate of step (2) is ground into fine powder by planetary mills, then is processed into ultrafine powder by high speed impact airflow milling, obtain the MoO below primary particle size 50nm
3nano-powder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310707678.9A CN103787640A (en) | 2013-12-20 | 2013-12-20 | Novel inorganic thermal insulation coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310707678.9A CN103787640A (en) | 2013-12-20 | 2013-12-20 | Novel inorganic thermal insulation coating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103787640A true CN103787640A (en) | 2014-05-14 |
Family
ID=50663759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310707678.9A Pending CN103787640A (en) | 2013-12-20 | 2013-12-20 | Novel inorganic thermal insulation coating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103787640A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107117885A (en) * | 2016-02-25 | 2017-09-01 | 厦门楚源节能科技有限公司 | A kind of inorganic multifunctional dry powder insulation paint |
| CN107859811A (en) * | 2017-11-06 | 2018-03-30 | 陈兴 | A kind of thermal insulation coatings of air pipe check valve |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61188470A (en) * | 1985-02-14 | 1986-08-22 | Nippon Paint Co Ltd | Corrosion-resistant coating composition |
| JPH01110573A (en) * | 1987-10-26 | 1989-04-27 | Kansai Paint Co Ltd | Coating composition for preventing hydrogen embrittlement |
| CN1633478A (en) * | 2000-11-13 | 2005-06-29 | 达克拉尔 | Use of moo3 as corrosion inhibitor, and coating composition containing such an inhibitor |
| CN102701701A (en) * | 2012-04-20 | 2012-10-03 | 上海沪正纳米科技有限公司 | Thermal-insulation energy-saving thin-layer coating |
-
2013
- 2013-12-20 CN CN201310707678.9A patent/CN103787640A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61188470A (en) * | 1985-02-14 | 1986-08-22 | Nippon Paint Co Ltd | Corrosion-resistant coating composition |
| JPH01110573A (en) * | 1987-10-26 | 1989-04-27 | Kansai Paint Co Ltd | Coating composition for preventing hydrogen embrittlement |
| CN1633478A (en) * | 2000-11-13 | 2005-06-29 | 达克拉尔 | Use of moo3 as corrosion inhibitor, and coating composition containing such an inhibitor |
| CN102701701A (en) * | 2012-04-20 | 2012-10-03 | 上海沪正纳米科技有限公司 | Thermal-insulation energy-saving thin-layer coating |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107117885A (en) * | 2016-02-25 | 2017-09-01 | 厦门楚源节能科技有限公司 | A kind of inorganic multifunctional dry powder insulation paint |
| CN107859811A (en) * | 2017-11-06 | 2018-03-30 | 陈兴 | A kind of thermal insulation coatings of air pipe check valve |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140514 |