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High-emissivity infrared energy-saving radiation paint and preparation method thereof

A technology of radiant coatings and high emissivity, applied in the field of coatings, can solve the problems of poor bonding performance, short service life, poor high temperature resistance, etc., and achieve the effects of good fire resistance, long service life and good wear resistance

Active Publication Date: 2014-02-19
北京恩吉赛威节能科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] Existing infrared energy-saving radiant coatings are widely used in industrial furnaces and furnaces. The lining of the furnace is usually refractory materials, such as bricks, refractory fibers, castables, metal furnace linings, etc., and its emissivity is low. During the heating process of the kiln, a large amount of heat must be absorbed and dissipated, so the energy consumption is large and the heating efficiency is low
At present, far-infrared energy-saving coatings are widely used in China. Its technical level belongs to general coatings, millimeter-level and micron-level. It adopts traditional blackbody technology. Disadvantages of easy pulverization and short life
[0003] Up to now, high-temperature infrared radiation energy-saving coatings are far from ideal, mainly due to poor high-temperature resistance and short service life.

Method used

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  • High-emissivity infrared energy-saving radiation paint and preparation method thereof
  • High-emissivity infrared energy-saving radiation paint and preparation method thereof
  • High-emissivity infrared energy-saving radiation paint and preparation method thereof

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Experimental program
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Effect test

Embodiment 1

[0024] In the present embodiment, each raw material ratio is:

[0025] Main ingredient 100kg,

[0026] Magnesium silicate 6kg,

[0027] Binder 360kg;

[0028] The ratio of the main components is: 10 parts of yttrium oxide, 25 parts of chromium oxide, 4 parts of cobalt oxide, 36 parts of zirconia, 8 parts of manganese oxide, 50 parts of silicon carbide, 5 parts of titanium oxide, 28 parts of aluminum oxide, iron powder 10 servings.

[0029] Wherein the proportioning of binder is: 35 parts of carboxymethyl cellulose, 300 parts of silica sol;

[0030] After mixing 100kg of the above main ingredients and 6kg of magnesium silicate evenly, ball mill into powder, calcined for 4 hours, and then cooled rapidly to -30°C for 4 hours, then crushed, pulverized, and air-flow crushed to an average particle size of 0.4um. Stand-by material: mix the above-mentioned spare material and binder 360kg evenly, and make the high-emissivity infrared energy-saving radiation coating in this embodime...

Embodiment 2

[0033] In the present embodiment, each raw material ratio is:

[0034] Main ingredient 250kg,

[0035] Magnesium silicate 15kg,

[0036] Adhesive 400kg;

[0037] The proportion of main components is: 15 parts of yttrium oxide, 15 parts of chromium oxide, 8 parts of cobalt oxide, 20 parts of zirconia, 20 parts of manganese oxide, 30 parts of silicon carbide, 16 parts of titanium oxide, 10 parts of aluminum oxide, iron powder 25 parts, 5 parts of vanadium pentoxide.

[0038] Wherein the proportioning of binder is: 20 parts of carboxymethyl cellulose, 460 parts of silica sol;

[0039] After mixing 250kg of the above main ingredients and 15kg of magnesium silicate evenly, ball mill into powder, after calcination for 6 hours, then rapidly cool to -30°C for 4 hours, then crush, grind, and airflow crush to an average particle size of 0.4um. Stand-by material: mix the above-mentioned spare material and binder 400kg evenly, and make the high-emissivity infrared energy-saving radiat...

Embodiment 3

[0042] In the present embodiment, each raw material ratio is:

[0043] Main ingredient 150kg,

[0044] Kaolin 10kg,

[0045] Binder 600kg;

[0046] The proportion of the main components is: 10 parts of yttrium oxide, 20 parts of chromium oxide, 6 parts of cobalt oxide, 25 parts of zirconia, 15 parts of manganese oxide, 35 parts of silicon carbide, 10 parts of titanium oxide, 20 parts of aluminum oxide, iron powder 15 parts, 6 parts of boron nitride.

[0047] The ratio of the binder is: 20 parts of carboxymethyl cellulose, 460 parts of silica sol, and 30 parts of high-temperature composite glue solution, wherein the high-temperature composite glue solution is composed of: 0.5% of nano-scale yttrium oxide, 6% aluminum oxide, 3% nano-scale silicon oxide, 0.4% nano-scale manganese oxide, 0.6% nano-scale calcium carbonate, and the balance is water.

[0048] After mixing 150kg of the above main components and 10kg of kaolin evenly, ball mill into powder, after calcination for 5 ...

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Abstract

The invention discloses high-emissivity infrared energy-saving radiation paint which is prepared by a raw mixture, and the average particle size of the paint is less than 2 nanometers. The raw mixture comprises the following components in parts by weight: 100-250 parts of main body ingredient, 6-15 parts of agglutinant and 360-600 parts of binding agent, wherein the main body ingredient comprises the following components in parts by weight: 10-15 parts of yttrium oxide, 15-25 parts of chromic oxide, 4-8 parts of cobaltous oxide, 20-36 parts of zirconium oxide, 8-20 parts of manganese oxide, 30-50 parts of silicon carbide, 5-16 parts of titanium oxide, 10-28 parts of aluminum oxide and 10-25 parts of iron powder. Experiments prove that the high-emissivity infrared energy-saving radiation paint is higher in emissivity, good in fire resistance, high in viscosity, energy-saving and long in service life.

Description

technical field [0001] The invention relates to coatings, in particular to a high-emissivity infrared energy-saving radiation coating and a preparation method thereof. Background technique [0002] Existing infrared energy-saving radiant coatings are widely used in industrial furnaces and furnaces. The lining of the furnace is usually refractory materials, such as bricks, refractory fibers, castables, metal furnace linings, etc., and its emissivity is low. During the heating process of the kiln, a large amount of heat must be absorbed and dissipated, so the energy consumption is large and the heating efficiency is low. At present, far-infrared energy-saving coatings are widely used in China. Its technical level belongs to general coatings, millimeter-level and micron-level. It adopts traditional blackbody technology. Disadvantages of easy pulverization and short service life. [0003] Up to now, high temperature resistant infrared radiation energy-saving coatings are far f...

Claims

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Application Information

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IPC IPC(8): C09D1/00C09D5/18C09D7/12
Inventor 王登荣
Owner 北京恩吉赛威节能科技有限公司
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