CN101602613A - A kind of high temperature resistant far infrared nano paint and preparation method - Google Patents
A kind of high temperature resistant far infrared nano paint and preparation method Download PDFInfo
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- CN101602613A CN101602613A CNA2009101574727A CN200910157472A CN101602613A CN 101602613 A CN101602613 A CN 101602613A CN A2009101574727 A CNA2009101574727 A CN A2009101574727A CN 200910157472 A CN200910157472 A CN 200910157472A CN 101602613 A CN101602613 A CN 101602613A
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- high temperature
- temperature resistant
- far infrared
- resistant far
- nano paint
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Abstract
A kind of high temperature resistant far infrared nano paint that is used for the furnace lining firebrick surface forms the porous ceramics of low-thermal conductivity, high IR emittance behind the sintering, belong to high temperature resistant far ultrared paint technical field.This coating composition mainly comprises ZrO
2, Cr
2O
3, Al
2O
3, Fe
2O
3, MnO
2, Co
2O
3, MgO, Suzhou soil, wilkinite, gac, coal dust, above composition is ground into nano level (500nm is following) fine powder, in silicochromium aluminium complex sol and carboxymethyl cellulose mixing solutions, be mixed in proportion, form thick suspension liquid, make high temperature resistant far infrared nano paint.Coating of the present invention can be behind deashing spary in the inboard wall of burner hearth surface, at 900-1200 ℃ of temperature range sintering, formation possesses the porous ceramics of certain intensity, and this ceramic density is low, thermal conductivity is low, the full infrared band normal direction of 2.5-20 μ m total emissivity height (0.91-0.95).
Description
Technical field
The present invention relates to a kind of high temperature resistant far infrared nano paint and preparation method, this coating can sinter the porous ceramics of low-thermal conductivity, full infrared band high emissivity at a lower temperature into, belongs to high temperature resistant far ultrared paint technical field.
Background technology
The high temp, infrared radiation material is through the researchdevelopment of New Year; be successfully applied on various middle high temperature furnace linings and the heating unit; infrared radiant material possesses higher emissivity; rate of heat transfer is fast; the heating quality height; the High-temp. kiln inside coating that is used for industries such as metallurgy, machinery, petrochemical industry can promote fuel combustion and optimize temperature distribution in the stove, plays save energy and protects the effect of furnace lining.As the heat-insulation and heat-preservation material that is applied to the furnace lining surface, require used coating to possess lower heat-conduction coefficient, thermostability and chemical stability preferably, and possess certain intensity.
External infrared coating mainly contains the ET-4 of Britain CRC company, U.S. CRC-10A, G-125 and SBE coating, the CRC1100 of Japan, 1500 coating etc., and domestic patent CN 1114329A, CN 1131691A and CN 2195745Y etc., more than various coating possess certain energy-saving effect, but the following problem of ubiquity in various degree: (1) coating suspension and less stable, the shelf time is short; (2) emissivity of coatings instability reduces with temperature rising emittance, raise with temperature as the ET-4 coating of Britain, emittance from 400 ℃ greater than 0.9 be reduced to 1000 ℃ 0.84; (3) coating proportion is bigger, sticking power a little less than, thermal conductivity is higher.
Patent CN 1552779A adopts micro-nano ultrafine powder to prepare the high temperature far ultrared paint, the suspension of coating and stability are better, but the long period deposits, yet it is mainly used in the Boiler Metallic inwall, thermal conductivity higher (0.977W/mK), be applied to the furnace lining inwall and cause the thermal conductivity of furnace lining matrix to increase easily, cause the body of heater heat radiation to increase and consume energy.
Patent CN 2064770 adopts double-layer porous ceramic plate to increase thermal resistance, CN 101113097A adopts lightweight to float pearl as whipping agent, sintering forms the lower porous ceramics of thermal conductivity, but in above two kinds of technology, the manufacture method that double-layer porous ceramic plate and lightweight are floated pearl is comparatively complicated, and the material mixing rear stability of CN 101113097A patent is relatively poor, and coating is difficult to long-time preservation.
Summary of the invention
The present invention is directed to the deficiencies in the prior art, a kind of high temperature resistant far ultrared paint is provided, this coating utilizes the nano level fine materials to improve the suspension stability and the surface adhesion force of coating, utilize gac and coal dust as whipping agent, can under 900-1200 ℃ of lesser temps, sintering formation possess certain intensity, low density, low-thermal conductivity, the higher porous ceramics of the full infrared band normal emittance of 2.5-20 μ m.
High temperature resistant far infrared nano paint mass component of the present invention is as follows:
ZrO
2 0-10％
Cr
2O
3 0-11％
Al
2O
3 8-16％
Fe
2O
3 1-7％
MnO
2 1-6％
Co
2O
3 1-5％
MgO 1-8％
Suzhou soil 6-20%
Wilkinite 8-20%
Gac 10-30%
Coal dust 1-5%
Silicochromium aluminium complex sol 10-30%
Carboxymethyl cellulose 1-5%
More than each solid ingredient granularity be below 320 orders, carry out the nanometer super-refinement and grind, granularity is reached below the 500nm, and then above-mentioned each component is mixed in proportion, stir, form the thickness suspension liquid, make the high temperature resistant far infrared nano paint product.
The construction technology of high temperature resistant far infrared nano paint of the present invention is as follows:
1, removes furnace lining surface floating dust and dirt; 2, with the coating spary that stirs in the furnace lining surface; 3, dry in the shade; 4, solidify with the heat-agglomerating of baker process.
High temperature resistant far infrared nano paint of the present invention is than the prior art excellent property, and every performance and index are as follows:
1, coating material of the present invention carries out the nanometer ultrafining treatment, has strengthened ADHESION OF PAINTS intensity and heat-shock resistance, and the specific performance index is:
Thermal expansivity (/ ℃): 9.5 * 10
-6Linear expansivity (%): 1.121; 100 and 900 ℃ of heat-conduction coefficient are respectively 0.029W/mK and 0.310W/mK.
2, Stability Analysis of Structures under the coating high temperature of the present invention, the emittance height, 2.5-20 μ m is complete, and the infrared band normal emittance can reach 0.91-0.95.
3, coating of the present invention adopts activated carbon granule as the pore-creating whipping agent, forms the porous ceramics of even aperture distribution behind the sintering, and density and heat-conduction coefficient are less.
4, coating suspension of the present invention is better, but prolonged preservation stirs a little before the use and gets final product.
5, high temperature resistant, chemical stability of coating of the present invention and heat impact strength are good; combine the premium properties of porous ceramics and high temperature far ultrared paint; can be used for various middle High-temp. kiln refractory brick; strengthen the radiative transfer under the furnace high-temperature; reduce the loss of body of heater surface radiating; the protection furnace lining, save energy.
Embodiment
Embodiment 1
The high temperature resistant far infrared nano paint mass component is as follows:
ZrO
2 6％
Cr
2O
3 7％
Al
2O
3 12％
Fe
2O
3 3％
MnO
2 2％
Co
2O
3 2％
MgO 5％
Suzhou soil 20%
Wilkinite 8%
Gac 11%
Coal dust 2%
Silicochromium aluminium complex sol 21%
Carboxymethyl cellulose 1%
More than each solid ingredient granularity need to carry out the nanometer super-refinement and grind less than 320, granularity is reached below the 500nm, and then above-mentioned each component is mixed in proportion, stir, formation thickness suspension liquid makes the high temperature resistant far infrared nano paint product.
Embodiment 2
The high temperature resistant far infrared nano paint mass component is as follows:
Cr
2O
3 9％
Al
2O
3 8％
Fe
2O
3 7％
MnO
2 2％
Co
2O
3 1％
MgO 8％
Suzhou soil 8%
Wilkinite 10%
Gac 10%
Coal dust 5%
Silicochromium aluminium complex sol 27%
Carboxymethyl cellulose 5%
More than each solid ingredient granularity need to carry out the nanometer super-refinement and grind less than 320 orders, granularity is reached below the 500nm, and then above-mentioned each component is mixed in proportion, stir, formation thickness suspension liquid makes the high temperature resistant far infrared nano paint product.
Embodiment 3
The high temperature resistant far infrared nano paint mass component is as follows:
ZrO
2 10％
Al
2O
3 16％
Fe
2O
3 1％
MnO
2 6％
Co
2O
3 1％
MgO 1％
Suzhou soil 8%
Wilkinite 20%
Gac 25%
Coal dust 1%
Silicochromium aluminium complex sol 10%
Carboxymethyl cellulose 1%
More than each solid ingredient granularity need to carry out the nanometer super-refinement and grind less than 320 orders, granularity is reached below the 500nm, and then above-mentioned each component is mixed in proportion, stir, formation thickness suspension liquid makes the high temperature resistant far infrared nano paint product.
Embodiment 4
The high temperature resistant far infrared nano paint mass component is as follows:
Al
2O
3 10％
Fe
2O
3 3％
MnO
2 1％
Co
2O
3 5％
MgO 1％
Suzhou soil 6%
Wilkinite 12%
Gac 30%
Coal dust 1%
Silicochromium aluminium complex sol 30%
Carboxymethyl cellulose 1%
More than each solid ingredient granularity need to carry out the nanometer super-refinement and grind less than 320 orders, granularity is reached below the 500nm, and then above-mentioned each component is mixed in proportion, stir, formation thickness suspension liquid makes the high temperature resistant far infrared nano paint product.
Claims (2)
1. high temperature resistant far infrared nano paint that is used for the furnace lining firebrick surface is characterized in that mass component is as follows:
ZrO
2 0-10％
Cr
2O
3 0-11％
Al
2O
3 8-16％
Fe
2O
3 1-7％
MnO
2 1-6％
Co
2O
3 1-5％
MgO 1-8％
Suzhou soil 6-20%
Wilkinite 8-20%
Gac 10-30%
Coal dust 1-5%
Silicochromium aluminium complex sol 10-30%
Carboxymethyl cellulose 1-5%
2. the preparation method of the described high temperature resistant far infrared nano paint of claim 1, it is characterized in that, adopt the nanometer super-refinement to grind above-mentioned each solid ingredient, granularity is reached below the 500nm, mix with silicochromium aluminium complex sol and carboxymethyl cellulose afterwards, obtain high temperature resistant far infrared nano paint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009101574727A CN101602613A (en) | 2009-07-30 | 2009-07-30 | A kind of high temperature resistant far infrared nano paint and preparation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009101574727A CN101602613A (en) | 2009-07-30 | 2009-07-30 | A kind of high temperature resistant far infrared nano paint and preparation method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101602613A true CN101602613A (en) | 2009-12-16 |
Family
ID=41468532
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|---|---|---|---|
| CNA2009101574727A Pending CN101602613A (en) | 2009-07-30 | 2009-07-30 | A kind of high temperature resistant far infrared nano paint and preparation method |
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|---|---|
| CN (1) | CN101602613A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102659387A (en) * | 2012-05-15 | 2012-09-12 | 广东宝丰陶瓷科技发展股份有限公司 | High-temperature far infrared radiation energy-saving composite coating and preparation method thereof |
| CN103130521A (en) * | 2013-03-22 | 2013-06-05 | 山东泰山天宇耐火材料有限责任公司 | Coating material on fireproof material for continuous casting device and use method thereof |
| CN103589201A (en) * | 2013-11-20 | 2014-02-19 | 北京恩吉赛威节能科技有限公司 | High-emissivity infrared energy-saving radiation paint and preparation method thereof |
| CN106189562A (en) * | 2016-07-28 | 2016-12-07 | 杭州吉华高分子材料股份有限公司 | A kind of infra-red radiation heat radiation aqueous wear-resistant unsticky coating and preparation method thereof |
| CN107447591A (en) * | 2017-08-22 | 2017-12-08 | 江苏众立生包装科技有限公司 | A kind of production method of tobacco package far infrared paper |
-
2009
- 2009-07-30 CN CNA2009101574727A patent/CN101602613A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102659387A (en) * | 2012-05-15 | 2012-09-12 | 广东宝丰陶瓷科技发展股份有限公司 | High-temperature far infrared radiation energy-saving composite coating and preparation method thereof |
| CN102659387B (en) * | 2012-05-15 | 2013-07-24 | 广东宝丰陶瓷科技发展股份有限公司 | High-temperature far infrared radiation energy-saving composite coating and preparation method thereof |
| CN103130521A (en) * | 2013-03-22 | 2013-06-05 | 山东泰山天宇耐火材料有限责任公司 | Coating material on fireproof material for continuous casting device and use method thereof |
| CN103130521B (en) * | 2013-03-22 | 2014-08-13 | 山东泰山天宇耐火材料有限责任公司 | Coating material on fireproof material for continuous casting device and use method thereof |
| CN103589201A (en) * | 2013-11-20 | 2014-02-19 | 北京恩吉赛威节能科技有限公司 | High-emissivity infrared energy-saving radiation paint and preparation method thereof |
| CN103589201B (en) * | 2013-11-20 | 2015-09-30 | 北京恩吉赛威节能科技有限公司 | High emissivity infrared energy-conserving radiation paint and preparation method thereof |
| CN106189562A (en) * | 2016-07-28 | 2016-12-07 | 杭州吉华高分子材料股份有限公司 | A kind of infra-red radiation heat radiation aqueous wear-resistant unsticky coating and preparation method thereof |
| CN106189562B (en) * | 2016-07-28 | 2019-05-10 | 杭州吉华高分子材料股份有限公司 | Aqueous wear-resistant unsticky coating of a kind of infra-red radiation heat dissipation and preparation method thereof |
| CN107447591A (en) * | 2017-08-22 | 2017-12-08 | 江苏众立生包装科技有限公司 | A kind of production method of tobacco package far infrared paper |
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Application publication date: 20091216 |