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High temperature far infrared insulated energy-saving paint and method for preparing same

An energy-saving coating and far-infrared technology, applied in the direction of cellulose coating, coating, etc., can solve the problems of unsatisfactory adhesion and permeability of the refractory material matrix, the inability to tightly bond the refractory material matrix, and the inability to use the refractory material matrix. Achieve the effects of wide application range, good air tightness and good energy saving effect

Active Publication Date: 2006-10-11
娄底市华晟节能材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the coating can only be used for a long time at 1200°C, and its application range is limited
[0004] Some can only be painted on the heating surfaces of various metals, such as the "far-infrared energy-saving coating" proposed by the patent publication No. CN1364834A, which cannot be used for refractory substrates
[0005] In addition, the existing far-infrared energy-saving coatings can only adhere to the refractory material substrate, and cannot be tightly combined with the refractory material substrate. After a long time of use, it is easy to burst and fall off in pieces
[0006] Although the high-temperature far-infrared coating proposed by the publication number CN1552779A has an expansion coefficient close to that of the metal substrate, it can enhance the adhesion strength and heat resistance of the coating, and prevent the coating from falling off during the alternating process of cold and heat, but it is not effective for the refractory substrate. The adhesion and permeability are still not ideal, and the insulation performance is poor

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] The preparation method is as described above, and the weight component ratio of each composition is as follows:

[0036] Zircon sand 300 parts Alumina 240 parts

[0037] Kaolin 240 parts Lanthanum oxide (la 2 o 3 ) 100 copies

[0038] Boron nitride 10 parts Silica sol 30 parts

[0039] 30 parts of water glass 7.5 parts of methyl cellulose

Embodiment 2

[0041] The preparation method is the same as that of Example 1, except that the proportioning by weight of each composition changes as follows:

[0042] Zircon sand 400 parts Alumina 350 parts

[0043] 150 parts of kaolin Cerium oxide (ceO 2 ) 50 copies

[0044] Boron nitride 3 parts Phosphoric acid 50 parts.

Embodiment 3

[0046] The preparation method is the same as that of Example 1, except that the proportioning by weight of each composition changes as follows:

[0047] Zircon sand 150 parts Alumina 100 parts

[0048] Kaolin 350 parts Praseodymium oxide (Pr 6 o 11 ) 200 copies

[0049] 25 parts of boron nitride 60 parts of water glass

[0050] 60 parts of silica sol 24 parts of methyl cellulose.

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Abstract

The invention provides a high temperature far infrared insulation energy-saving coating material and its preparing process, wherein the coating material comprises zircon sand, aluminium oxide, porcelain clay, rare-earth oxide, boron nitride, silicasol, phosphoric acid, soluble glass, cellulose methyl or cellulose glycolate. The preparing process consists of batching, immersing, agitating, mixing, filtering and loading.

Description

technical field [0001] The invention relates to a chemical coating used in a high-temperature environment, belonging to the field of far-infrared energy-saving coatings. Background technique [0002] Most of the existing far-infrared energy-saving coatings have the defects of limited application range, poor insulation performance and poor permeability. Some are only suitable for high-temperature environments above 1200°C. For example, the "thermal radiation energy-saving coating" proposed by the patent publication No. CN1093384A uses zircon sand as the main body and aluminum dihydrogen phosphate as the binder. It has a high heat resistance coefficient and good heat resistance. radiation effect. However, the coating can only be used in smelting, chemical and other high-temperature furnaces at 1200-1700 ° C. [0003] Some are only suitable for temperature environments below 1200°C. For example, the "infrared radiation energy-saving coating" proposed by the patent publication...

Claims

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Application Information

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IPC IPC(8): C09D101/02C09D5/25
Inventor 周先庭尔玉伍华桃
Owner 娄底市华晟节能材料有限公司
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