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A kind of high temperature resistant and anti-fiber powdering infrared high radiation energy-saving paint and preparation method thereof

An energy-saving coating and high-radiation technology, which is applied in the direction of fireproof coatings, alkali metal silicate coatings, coatings, etc., can solve the problems of low specific gravity of fiber products, separation and detachment of coatings and fibers, and cracking and detachment of coatings. And the construction process is simple, the connection is tight and not easy to fall off, and the effect of high infrared radiation rate

Active Publication Date: 2020-12-22
洛阳嘉德节能科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Invention patent "An anti-erosion protective coating coated on refractory fiber working surface" (patent application number 200410012616.7) A kind of cement was prepared by using 0.2-5mm alumina hollow spheres as the main raw material and adding suitable binders and plasticizers Shaped anti-scouring protective coating, the raw material used in this coating has a particle size of 5mm and is in the form of cement, so the coating thickness must exceed 5mm or even 1cm and it is difficult to ensure the uniformity of the coating. If the coating is too thick, it will easily crack and fall off. , it is difficult to guarantee the service life of the coating. In general, fiber products have a small specific gravity and low strength. If you choose a coating with high strength, specific gravity and large thickness to coat its surface, it is easy to cause the coating and fiber to separate and fall off. Phenomenon can not achieve the desired effect of the coating

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Example 1, a high-temperature-resistant fiber pulverization-resistant infrared high-radiation energy-saving coating and its preparation method are composed of the following components in parts by weight: 10 parts of silicon carbide powder, 10 parts of alumina micropowder, 30 parts of high-alumina bauxite powder, 5 parts of chromium oxide micropowder, 30 parts of water glass, 15 parts of water, plus 0.15 parts of polyethylene glycol water reducer CAMTMENT FS10 dispersant produced by BASF, Germany, 0.05 parts of silicone defoamer, acrylic acid copolymer thickener 0.3 parts of leveling agent.

[0023] Weigh deionized water and dispersant according to the above ratio and put them into a high-speed mixer and stir at a speed of 500rpm for 10 minutes, then add the corresponding alumina and chromium oxide powder and stir for 30 minutes at a speed of 8000rpm, then add water glass at a speed of 8000rpm Stir for another 10 minutes; then add silicon carbide and high alumina bauxite...

Embodiment 2

[0024] Embodiment 2, a high-temperature-resistant anti-fiber pulverization infrared high-radiation energy-saving coating and its preparation method are composed of the following components in parts by weight: 20 parts of silicon carbide powder, 5 parts of alumina micropowder, 20 parts of high-alumina bauxite powder, 5 parts of chromium oxide micropowder, 30 parts of water glass, 20 parts of water, plus 0.1 part of polyethylene glycol water reducer CAMTMENT FS10 dispersant produced by BASF, Germany, 0.15 part of silicone defoamer, acrylic acid copolymer thickener 0.5 parts of leveling agent.

[0025] Weigh deionized water and dispersant according to the above ratio and put them into a high-speed mixer and stir at a speed of 1000rpm for 5 minutes, then add the corresponding alumina and chromium oxide powder and stir for 30 minutes at a speed of 5000rpm, then add water glass at a speed of 5000rpm Stir for another 30 minutes; then add silicon carbide and high alumina bauxite powde...

Embodiment 3

[0026] Example 3, a high-temperature-resistant anti-fiber pulverization infrared high-radiation energy-saving coating and its preparation method, which consists of the following components in parts by weight: 17 parts of silicon carbide powder, 10 parts of alumina micropowder, 30 parts of high alumina bauxite powder, 3 parts of chromium oxide powder, 30 parts of water glass, 10 parts of water, plus 0.15 parts of sodium tripolyphosphate dispersant, 0.1 part of polyether modified silicon defoamer, and 0.3 part of acrylic acid copolymer thickening and leveling agent.

[0027] Weigh deionized water and dispersant according to the above ratio and put them into a high-speed mixer and stir at a speed of 1000rpm for 5 minutes, then add the corresponding alumina and chromium oxide powder and stir at a speed of 8000rpm for 10 minutes, then add water glass at a speed of 8000rpm Stir for another 20 minutes; then add silicon carbide and high alumina powder and stir for 10 minutes at a speed...

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Abstract

The invention discloses a high-temperature-resistant fiber chalking prevention infrared high radiation energy-saving coating and a preparation method thereof. The coating is prepared from the following components in parts by weight: 10-20 parts of silicon carbide powder, 5-10 parts of alumina micro-powder, 20-30 parts of high alumina bauxite powder, 3-5 parts of chromium oxide micro-powder, 20-30 parts of a bonding agent, 10-20 parts of a solvent, 0.1-0.2 part of an additional dispersing agent, 0.05-0.15 part of an additional defoaming agent, and 0.3-0.5 part of a thickening flatting agent. The high-temperature-resistant fiber chalking prevention infrared high radiation energy-saving coating has the beneficial effects that (1) the coating has high temperature resistance; (2) the coating is high in bonding force; (3) the coating is high in coating strength and good in fiber chalking prevention effect; (4) the coating has a high infrared radiation rate; (5) the coating is simple in production and construction technology.

Description

technical field [0001] The invention belongs to the field of high-temperature energy-saving coatings, in particular to a high-temperature-resistant fiber pulverization-proof infrared high-radiation energy-saving coating and a preparation method thereof. Background technique [0002] Refractory fiber materials have excellent high temperature resistance and heat insulation performance, which is one of the important ways to improve the thermal efficiency of industrial furnaces, and is widely used in various high-temperature thermal equipment, but fiber materials are prone to crystallization and crystallization when used at high temperatures for a long time Growth leads to fiber powdering and falling off, which affects the service life of the fiber and even pollutes the product. With the continuous progress of industrial technology, the requirements for materials are getting higher and higher. On the one hand, fiber materials are required to have good heat insulation performance ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D1/04C09D7/61C09D1/00
CPCC09D1/00C09D1/04C09D5/18
Inventor 胡敏
Owner 洛阳嘉德节能科技有限公司