Anti-contamination slag-bonding-resistant high-temperature ceramic coating suitable for metal substrates

A technology for high-temperature ceramics and metal substrates, which is applied in the field of anti-contamination and slagging high-temperature ceramic coatings. It can solve the problems of poor wear resistance, anti-contamination and slagging, and low emissivity to ensure coating wettability , Improve the effect of anti-contamination and slagging, high emissivity

Inactive Publication Date: 2014-10-22
HARBIN HUADIAN JINNENG POWER TECH
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  • Description
  • Claims
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Problems solved by technology

[0004] In the prior art, the coatings on the heating surface and fire-facing surface of industrial boilers and kilns used in industries such as petroleum, petrochemical, electric power, metallurgy, and building materials have the disadvantage of anti-contamination Slag, high temperature corrosion resistance, poor wear resistance, low emissivity

Method used

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  • Anti-contamination slag-bonding-resistant high-temperature ceramic coating suitable for metal substrates
  • Anti-contamination slag-bonding-resistant high-temperature ceramic coating suitable for metal substrates

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Embodiment Construction

[0024] The parts by weight of the raw materials for coating preparation are: boron nitride 19, aluminum oxide 8, cerium oxide 2, lanthanum oxide 12, dysprosium oxide 12, zirconium dioxide 13, metal powder 8, soluble silicate 45, During implementation, ferric oxide is selected as the metal powder, and aluminum silicate is selected as the soluble silicate.

[0025] Grind the raw materials into powder by pot mill and ball mill. The particle size of boron nitride, aluminum oxide, lanthanum oxide, dysprosium oxide, cerium oxide, zirconium dioxide, metal powder, and soluble silicate is 100nm-300nm, with normal distribution .

[0026] At normal temperature (5-35 degrees Celsius), soak each raw material powder in deionized water for 4-6 hours, then stir each raw material powder evenly, and obtain a coating after filtering.

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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

[0001] technical field [0002] The invention relates to an anti-contamination and slagging high-temperature ceramic coating suitable for metal substrates. [0003] Background technique [0004] In the prior art, the coatings on the heating surface and fire-facing surface of industrial boilers and kilns used in industries such as petroleum, petrochemical, electric power, metallurgy, and building materials have the disadvantage of anti-contamination Slag, high temperature corrosion resistance, poor wear resistance, low emissivity. [0005] Contents of the invention [0006] The object of the present invention is to provide an anti-contamination and slagging high-temperature ceramic coating suitable for metal substrates, which has high emissivity, anti-contamination and slagging, high-temperature corrosion resistance and strong wear resistance. [0007] Realize the technical scheme of the object of the present invention: [0008] An anti-contamination and slagging high-t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B35/66C04B35/16
Inventor 刘晓刚
Owner HARBIN HUADIAN JINNENG POWER TECH
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