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High-temperature-resistant far infrared radiation coating

A far-infrared radiation and high-temperature-resistant technology, which is applied in the field of high-temperature-resistant far-infrared radiation coatings, can solve the problems that it is difficult for materials to meet the requirements of firm structure, high thermal insulation and high reflectivity.

Inactive Publication Date: 2012-07-11
赵志海
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Problems solved by technology

[0002] Industrial kilns, furnaces, and boilers usually burn at a high temperature above 1000°C. The structural materials of the furnace body are mainly various refractory materials such as high bricks, clay bricks, castables, ceramic fibers, etc. These are the structure of the furnace body. Materials are also thermal insulation materials, and also participate in the heat radiation heat exchange process. Their thermal radiation performance and thermal insulation performance determine the thermal efficiency of the kiln, which makes it difficult for a single material to achieve firm structure, high thermal insulation and high reflection. sexual demands

Method used

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Embodiment Construction

[0007] Firstly grind (1) the top-quality chromium trioxide powder into a fine powder of more than 500 meshes, (2) high-mole potassium silicate solution is stirred and matured at a high speed, and the rotation speed of the mixer should reach more than 3500 / min. Stir for more than 30 minutes, and the stirred (2) high-mole silicon Potassium acid solution is left to mature for more than 2 hours;

[0008] Add the matured high-molar potassium silicate solution gradually under the stirring of 3000 / min, and add the ground super-grade chromium trioxide, Y 2 o 3 , manganese dioxide, zirconia, α-alumina, and titanium dioxide materials, after stirring for 30 minutes, add carboxymethyl cellulose, bactericide, dispersant, stabilizer, pH regulator, and then stir at high speed after adding, the number of revolutions of the mixer To achieve more than 4500 / min, it is enough to stir for 30 minutes.

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Abstract

The invention relates to a high-temperature-resistant far infrared radiation coating which is an energy-saving coating with high-temperature resistance, high radiance, corrosion resistance, high wear resistance and a special function. The coating is prepared by doping transition element oxide, zirconium oxide and a silicate fireproof material at high temperature to form a solid solution, so that the impurity energy level is increased, the infrared radiation coefficient is improved, and high corresponding properties such as heat resistance, corrosion resistance, wear resistance and the like are kept; and the activity of reactants can be improved by doping rare earth element oxide (Y2O3) in the coating, the coating has high binding force with a substrate and can permeate the substrate to form a transition layer and a coating structure, the phenomenon that a hearth is coked can be avoided, the emission of flue gas and energy consumption are reduced, and mechanical shock resistance and thermal shock resistance are achieved.

Description

technical field [0001] High temperature resistant far-infrared reflective coating is a special functional energy-saving coating with high temperature resistance, strong radiation rate, corrosion resistance and high wear resistance. Background technique [0002] Industrial kilns, furnaces, and boilers usually burn at a high temperature above 1000°C. The structural materials of the furnace body are mainly various refractory materials such as high bricks, clay bricks, castables, ceramic fibers, etc. These are the structure of the furnace body. Materials are thermal insulation materials, and also participate in the heat radiation heat exchange process. Their thermal radiation performance and thermal insulation performance determine the thermal efficiency of the kiln, which makes it difficult for a single material to achieve firm structure, high thermal insulation and high reflection. sexual demands. Contents of the invention [0003] The high-temperature far-infrared radiatio...

Claims

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Application Information

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IPC IPC(8): C04B35/66
Inventor 赵志海
Owner 赵志海
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