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High-temperature abrasion-resistant coating

A high-temperature wear-resistant and coating technology, applied in the field of refractory materials, can solve the problems of prone to cracks, poor mechanical properties, low wear resistance, etc., achieve good adhesion, improve mechanical properties and impact resistance, and is not easy to fall off.

Inactive Publication Date: 2017-01-04
YIXING GUOQIANG FURNACE IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing high-temperature wear-resistant coatings have the following problems, such as low wear resistance and poor mechanical properties, especially in high-temperature use environments, prone to cracks and peeling off

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0011] The high-temperature wear-resistant coating is prepared from the following raw materials: 17 parts by weight of superfine white corundum powder with a particle size of 1-4 μm, 6 parts of cement, 10 parts of raw clay, 15 parts of titanium dioxide, and 12 parts of sillimanite , 5 parts of borax, 6 parts of magnesium hexasilicate, 4 parts of aluminum dihydrogen phosphate, 2.3 parts of sodium persulfate, 1.3 parts of PA-80 high temperature cement, 7 parts of alumina, 0.3 parts of silicon micropowder, the mass concentration is 72~90% 4 parts of phosphoric acid.

Embodiment 2

[0013] High-temperature wear-resistant coating, prepared from the following raw materials: 15 parts by weight of white corundum superfine powder with a particle size of 1-4 μm, 11 parts of cement, 4 parts of raw clay, 9 parts of titanium dioxide, and 9 parts of sillimanite , 7 parts of borax, 3 parts of magnesium hexasilicate, 9 parts of aluminum dihydrogen phosphate, 3.5 parts of sodium persulfate, 0.9 parts of PA-80 high-temperature cement, 6 parts of alumina, 0.5 parts of silicon micropowder, and the mass concentration is 72~ 3 parts of 80% phosphoric acid.

Embodiment 3

[0015] The high-temperature wear-resistant coating is prepared from the following raw materials: 22 parts by weight of superfine white corundum powder with a particle size of 1-4 μm, 9 parts of cement, 14 parts of raw clay, 10 parts of titanium dioxide, and 14 parts of sillimanite , 6 parts of borax, 9 parts of magnesium hexasilicate, 7 parts of aluminum dihydrogen phosphate, 4.5 parts of sodium persulfate, 1 part of PA-80 high temperature clay, 9 parts of alumina, 1.5 parts of silicon micropowder, the mass concentration is 72~80% 5 parts of phosphoric acid.

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Abstract

The invention relates to a refractory material, in particular to a high-temperature abrasion-resistant coating. The high-temperature abrasion-resistant coating is prepared from15-22 parts of white corundum superfine powder, 6-11 parts of cement, 4-14 parts of raw clay, 9-15 parts of titanium dioxide, 9-14 parts of sillimanite, 5-7 parts of borax, 3-9 parts of magnesium hexasilicate, 4-9 parts of aluminum dihydrogen phosphate, 2.3-4.5 parts of sodium persulfate,0.9-1.3 parts of PA-80 high temperature plaster, 6-9 parts of aluminum oxide, 0.3-1.5 parts of silicon powder and 3-5 parts of phosphoric acid. The mechanical properties and shock resistance properties of the high-temperature abrasion-resistant coating are improved, the high-temperature abrasion-resistant coating is resistant to high temperature, does not easily shed and has good adhesion, and the coating formed in a high-temperature furnace can be resistant to abrasion and is prevented from shedding.

Description

technical field [0001] The invention relates to a refractory material, in particular to a high-temperature wear-resistant coating. Background technique [0002] Metallurgy, power generation, fluidized bed, building materials, waste incineration and other fields need high-temperature wear-resistant coatings to form a protective layer in the furnace body. The existing high-temperature wear-resistant coatings have the following problems, such as low wear resistance and poor mechanical properties, especially in high-temperature use environments, which are prone to cracks and peeling off. Contents of the invention [0003] In view of the above technical problems, the present invention provides a high temperature resistant coating with high wear resistance and high mechanical properties. [0004] The specific technical solutions are: [0005] The high-temperature wear-resistant coating is prepared from the following raw materials: 15-22 parts by weight of superfine white corun...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/00
Inventor 林国强
Owner YIXING GUOQIANG FURNACE IND
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