CN104108939A - Anti-contamination slag-bonding-resistant high-temperature ceramic coating suitable for metal substrates - Google Patents
Anti-contamination slag-bonding-resistant high-temperature ceramic coating suitable for metal substrates Download PDFInfo
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- CN104108939A CN104108939A CN201310131420.9A CN201310131420A CN104108939A CN 104108939 A CN104108939 A CN 104108939A CN 201310131420 A CN201310131420 A CN 201310131420A CN 104108939 A CN104108939 A CN 104108939A
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Abstract
The invention relates to an anti-contamination slag-bonding-resistant high-temperature ceramic coating suitable for metal substrates. The coating comprises the following components: boron nitride, aluminum oxide, cerium oxide, zirconium dioxide, metal powder, and soluble silicate.
Description
Technical field
The present invention relates to a kind of anti-Slagging high-temperature ceramic coating that is applicable to metal base.
Background technology
In prior art, be that for the Industrial Boilers of industry such as oil, petrochemical industry, electric power, metallurgy and building materials and the hyperthermia radiation metal base heating surface of kiln, the weak point that exists to the coating of fiery side surface anti-Slagging, high-temperature corrosion resistance, wear-resistant ability are poor, emittance is lower.
Summary of the invention
Goal of the invention of the present invention is to provide a kind of anti-Slagging high-temperature ceramic coating that is applicable to metal base, and high, the anti-Slagging of emittance, high-temperature corrosion resistance, wear-resistant ability are strong.
Realize the object of the invention technical scheme:
An anti-Slagging high-temperature ceramic coating that is applicable to metal base, is characterized in that: the composition of coating comprises boron nitride, aluminum oxide, cerium oxide, zirconium dioxide, metal powder, soluble silicate.
The composition of coating also comprises lanthanum trioxide, dysprosium oxide.
The shared parts by weight of the each composition of coating are, boron nitride 15-20, aluminum oxide 5-10, lanthanum trioxide 10-15, dysprosium oxide 10-15, cerium oxide 1-3, zirconium dioxide 10-15,
Metal powder 5-10, soluble silicate 40-50.
Preferably, the granularity of boron nitride, aluminum oxide, lanthanum trioxide, dysprosium oxide, cerium oxide, zirconium dioxide, metal powder, soluble silicate is 100 nanometer-300 nanometers.
Preferably, the shared parts by weight of the each composition of coating are, boron nitride 19, aluminum oxide 8, cerium oxide 2, lanthanum trioxide 12, dysprosium oxide 12, zirconium dioxide 13, metal powder 8, soluble silicate 45.
Preferably, metal powder is selected ferric oxide, and soluble silicate is selected pure aluminium silicate.
The beneficial effect that the present invention has:
Boron nitride and alumina composite in coated component of the present invention, have characteristic high temperature resistant, anti-Slagging; Cerium oxide and alumina composite have stable high emissivity in wider wave band, have anti-fouling and slagging characteristics, and meanwhile, the rare earth oxides such as cerium oxide are conducive to the tight of ceramic phase and the combination with base material.In coated component of the present invention, lanthanum trioxide, optical, electrical, the magnetic properties of dysprosium oxide guarantee coating under the condition of high temperature are stablized.
The granularity of boron nitride in coated component of the present invention, aluminum oxide, cerium oxide, zirconium dioxide, lanthanum trioxide, dysprosium oxide metal powder is 100 nanometer-300 nanometers, adopt nano-corpuscule technology, bonding mechanism and mechanics of surface characteristic are changed, coating and base material are combined closely in the mode of machinery, physics and chemistry, and coating outside surface have lower surface can, further improve anti-Slagging, high-temperature corrosion resistance, the overall characteristic such as wear-resistant.In coated component of the present invention, adopt multiple mineral binder bond optimum combination, for different substrate materials, applied environment, guarantee coating soakage, promote not powder of detached of alternate reaction, high temperature.
Use temperature scope 300-1800 DEG C of the present invention, specific performance index is as follows:
the present invention is applicable to the Industrial Boilers of industry such as oil, petrochemical industry, electric power, metallurgy and building materials and the hyperthermia radiation heating surface of kiln, to fiery side surface, also can be used for comprising an electric heating element and I. C. engine exhaust tube outer surface.The present invention has high emissivity, anti-Slagging, high-temperature corrosion resistance, anti-oxidant, wear-resistant function, improve the exchange capability of heat of heating surface, as shown in the table, the present invention can General Promotion Industrial Boiler, the safety and economy of kiln and oil engine, and effectively reduces the discharge of thermal NO x.
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embodiment
The shared parts by weight of the each raw material of coating raw materials are, boron nitride 19, aluminum oxide 8, cerium oxide 2, lanthanum trioxide 12, dysprosium oxide 12, zirconium dioxide 13, metal powder 8, soluble silicate 45, when enforcement, metal powder is selected ferric oxide, and soluble silicate is selected pure aluminium silicate.
Utilize tank abrading-ball grinding machine that raw material is pulverized, the granularity of boron nitride, aluminum oxide, lanthanum trioxide, dysprosium oxide, cerium oxide, zirconium dioxide, metal powder, soluble silicate is 100 nanometer-300 nanometers, normal distribution.
Under normal temperature (5-35 degree Celsius), each raw material powder is soaked to 4-6 hour in deionized water, more each raw material powder is stirred, after filtering, obtain coating.
Claims (6)
1. an anti-Slagging high-temperature ceramic coating that is applicable to metal base, is characterized in that: the composition of coating comprises boron nitride, aluminum oxide, cerium oxide, zirconium dioxide, metal powder, soluble silicate.
2. the anti-Slagging high-temperature ceramic coating that is applicable to metal base according to claim 1, is characterized in that: the composition of coating also comprises lanthanum trioxide, dysprosium oxide.
3. the anti-Slagging high-temperature ceramic coating that is applicable to metal base according to claim 2, it is characterized in that: the shared parts by weight of the each composition of coating are boron nitride 15-20, aluminum oxide 5-10, lanthanum trioxide 10-15, dysprosium oxide 10-15, cerium oxide 1-3, zirconium dioxide 10-15, metal powder 5-10, soluble silicate 40-50.
4. the anti-Slagging high-temperature ceramic coating that is applicable to metal base according to claim 3, is characterized in that: the granularity of boron nitride, aluminum oxide, lanthanum trioxide, dysprosium oxide, cerium oxide, zirconium dioxide, metal powder, soluble silicate is 100 nanometer-300 nanometers.
5. the anti-Slagging high-temperature ceramic coating that is applicable to metal base described in any one according to claim 1 to 4, it is characterized in that: the shared parts by weight of the each composition of coating are boron nitride 19, aluminum oxide 8, cerium oxide 2, lanthanum trioxide 12, dysprosium oxide 12, zirconium dioxide 13, metal powder 8, soluble silicate 45.
6. the anti-Slagging high-temperature ceramic coating that is applicable to metal base described in any one according to claim 1 to 4, is characterized in that: metal powder is selected ferric oxide, and soluble silicate is selected pure aluminium silicate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310131420.9A CN104108939A (en) | 2013-04-17 | 2013-04-17 | Anti-contamination slag-bonding-resistant high-temperature ceramic coating suitable for metal substrates |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310131420.9A CN104108939A (en) | 2013-04-17 | 2013-04-17 | Anti-contamination slag-bonding-resistant high-temperature ceramic coating suitable for metal substrates |
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| Publication Number | Publication Date |
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| CN104108939A true CN104108939A (en) | 2014-10-22 |
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| CN201310131420.9A Pending CN104108939A (en) | 2013-04-17 | 2013-04-17 | Anti-contamination slag-bonding-resistant high-temperature ceramic coating suitable for metal substrates |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105111935A (en) * | 2015-09-02 | 2015-12-02 | 航天材料及工艺研究所 | High-temperature-resistant and high-radiation-resistant thermal control coating and preparation method thereof |
| CN105693242A (en) * | 2014-11-27 | 2016-06-22 | 魏星 | Low temperature corrosion resistant high temperature nano anticorrosion ceramic paint and preparation method thereof |
| CN107032809A (en) * | 2017-05-19 | 2017-08-11 | 中国计量大学 | A kind of preparation method for boiler heating surface Anti-slagging composite ceramics slurry |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101054289A (en) * | 2007-05-11 | 2007-10-17 | 张笑歌 | Refractory far infrared radiation ceramics coating |
| CN202229230U (en) * | 2011-09-08 | 2012-05-23 | 浙江晟翔电子科技有限公司 | Wind screen cover of hot surface ignitor |
| CN102584280A (en) * | 2012-01-18 | 2012-07-18 | 赵凯 | Nano ceramic coating with high emissivity |
-
2013
- 2013-04-17 CN CN201310131420.9A patent/CN104108939A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101054289A (en) * | 2007-05-11 | 2007-10-17 | 张笑歌 | Refractory far infrared radiation ceramics coating |
| CN202229230U (en) * | 2011-09-08 | 2012-05-23 | 浙江晟翔电子科技有限公司 | Wind screen cover of hot surface ignitor |
| CN102584280A (en) * | 2012-01-18 | 2012-07-18 | 赵凯 | Nano ceramic coating with high emissivity |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105693242A (en) * | 2014-11-27 | 2016-06-22 | 魏星 | Low temperature corrosion resistant high temperature nano anticorrosion ceramic paint and preparation method thereof |
| CN105111935A (en) * | 2015-09-02 | 2015-12-02 | 航天材料及工艺研究所 | High-temperature-resistant and high-radiation-resistant thermal control coating and preparation method thereof |
| CN105111935B (en) * | 2015-09-02 | 2017-08-29 | 航天材料及工艺研究所 | A kind of high temperature resistant height radiation thermal control coating and preparation method thereof |
| CN107032809A (en) * | 2017-05-19 | 2017-08-11 | 中国计量大学 | A kind of preparation method for boiler heating surface Anti-slagging composite ceramics slurry |
| CN107032809B (en) * | 2017-05-19 | 2020-02-18 | 中国计量大学 | Preparation method of composite ceramic slurry for preventing slag formation on heating surface of boiler |
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Application publication date: 20141022 |
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| RJ01 | Rejection of invention patent application after publication |