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High-temperature-resistant heat-insulation paint

A technology of heat insulation and high temperature resistance, applied in the field of materials, can solve the problems of high construction difficulty, low maximum temperature resistance and insufficient adhesion of inorganic high temperature resistant coatings, achieve good heat preservation effect, improve material strength and strong corrosion resistance Effect

Inactive Publication Date: 2017-03-15
江苏龙冶节能科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, inorganic high-temperature-resistant coatings are difficult to construct to a certain extent, and the thickness of the coating film is large, the adhesion is insufficient, and the maximum temperature resistance is low.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Stir 100g of sodium silicate and 200g of water-based phenolic resin evenly, the stirring temperature is 5°C to 30°C above the melting point of the water-based phenolic resin, the speed of the mixer is greater than 3500r / min, and the stirring time is 60min;

[0025] Add 20g of bentonite, 12g of aluminum oxide, 2g of dispersant, 2g of stabilizer, 2g of preservative, 2g of carboxymethylcellulose, 2g of pH regulator and 2g of coupling agent to the mixture obtained above, and stir evenly;

[0026] Add 350 g of ceramic hollow microspheres and 250 g of short ceramic fibers to the mixture obtained above, and continue to stir for more than 60 minutes to obtain a high-temperature-resistant heat-insulating coating.

[0027] The obtained coating is coated on the inner wall of the coke oven raw gas riser heat exchanger, and the coating thickness is 2mm.

Embodiment 2

[0029] Stir 100g of sodium silicate and 200g of water-based phenolic resin evenly, the stirring temperature is 5°C to 30°C above the melting point of the water-based phenolic resin, the speed of the mixer is greater than 3500r / min, and the stirring time is 80min;

[0030] Add 20g of bentonite, 12g of aluminum oxide, 2g of dispersant, 2g of stabilizer, 2g of preservative, 2g of carboxymethylcellulose, 2g of pH regulator and 2g of coupling agent to the mixture obtained above, and stir evenly;

[0031] Then add 800 g of ceramic hollow microspheres and 50 g of short ceramic fibers to the mixture obtained above, and continue to stir for more than 60 minutes to obtain a high-temperature-resistant heat-insulating coating.

[0032] The obtained coating is coated on the inner wall of the coke oven raw gas riser heat exchanger, and the coating thickness is 2mm.

Embodiment 3

[0034] Stir 150g of sodium silicate and 150g of water-based phenolic resin evenly, the stirring temperature is 5°C to 30°C above the melting point of the water-based phenolic resin, the speed of the mixer is greater than 3500r / min, and the stirring time is 100min;

[0035] Add 20g of bentonite, 12g of aluminum oxide, 2g of dispersant, 2g of stabilizer, 2g of preservative, 2g of carboxymethylcellulose, 2g of pH regulator and 2g of coupling agent to the mixture obtained above, and stir evenly;

[0036] Then add 800 g of ceramic hollow microspheres and 50 g of short ceramic fibers to the mixture obtained above, and continue to stir for more than 60 minutes to obtain a high-temperature-resistant heat-insulating coating.

[0037] The obtained coating is coated on the inner wall of the coke oven raw gas riser heat exchanger, and the coating thickness is 2mm.

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Abstract

The invention relates to a high-temperature-resistant heat-insulation coating. An inorganic film-forming material and organic thermosetting resin are compounded to be main film-forming materials; heat-reflecting materials are added, so that the obtained coating has corrosion resistance, high-temperature resistance and heat insulation effects and is easy to use. The coating has advantageous effects of pressure resistance, corrosion resistance, abrasion resistance, acid and alkali resistance, an insulation property, waterproof performance, fireproof performance, high temperature resistance and a heat insulation property.

Description

technical field [0001] The invention relates to the field of material technology, in particular to a high-temperature-resistant heat-insulating coating. Background technique [0002] High temperature resistant coatings can be divided into two categories: organic high temperature resistant coatings and inorganic high temperature resistant coatings. Inorganic high temperature resistant coating is a coating with inorganic materials as the main film-forming substance. It is an inorganic polymer coating composed of inorganic polymers, dispersed and activated metals, metal oxide nanomaterials, and rare earth ultrafine powders. It can be used with The iron atoms on the surface of the steel structure react quickly to form an inorganic polymer anti-corrosion coating that has both physical and chemical protection and is firmly bonded to the substrate through chemical bonds. Compared with organic high-temperature-resistant coatings, inorganic high-temperature-resistant coatings are of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D161/06C09D5/08C09D5/25C09D5/18C09D7/12C09D1/04
CPCC08L2201/02C08L2201/08C09D1/04C09D5/08C09D5/18C09D161/06C09D7/61C09D7/65C09D7/70H01B3/36C08L1/286C08K13/04C08K7/24C08K7/04C08K2003/2227C08K3/346C08K3/34
Inventor 孟晓东汪琴刘建成高远孔秀宽高越
Owner 江苏龙冶节能科技有限公司
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