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Light-weight and heat-insulation brick

A kind of technology of lightweight thermal insulation and thermal insulation brick

Inactive Publication Date: 2016-07-27
陈建
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the above materials also have the problems of low operating temperature, short service life or poor energy saving effect.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0008] Its raw materials include the following components (by weight): 30 parts of expanded perlite, 20 parts of fly ash ceramsite, 8 parts of vermiculite, 5 parts of limestone, 25 parts of gypsum, 6 parts of high alumina bauxite, 4 parts of micro-silicon powder 8 parts of silicon nitride, 6 parts of zirconia, 4 parts of nano-silicon carbide, 2 parts of aluminum phosphate cement, 3 parts of composite rare earth oxide, 4 parts of calcium aluminate cement, 2 parts of water glass, 2 parts of sodium tripolyphosphate 1 part, 1 part of aluminum silicate refractory fiber, 0.5 part of heat-resistant steel fiber, and 10 parts of water. The composite rare earth oxide is yttrium oxide and cerium oxide with a mass ratio of 1:1, the particle size of the expanded perlite, fly ash ceramsite, and vermiculite is less than 1.5mm, and the particle size of high alumina bauxite and limestone is less than 0.2mm, the particle size of silicon micropowder, silicon nitride, and zirconia is less than 5 ...

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PUM

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Abstract

The invention relates to a light-weight and heat-insulation brick, and relates to the field of refractory materials. Raw materials of the light-weight and heat-insulation brick comprise composite lightweight aggregates and limestone. The heat-insulation brick has the characteristics of light weight, low heat conduction coefficient, high strength and good heat insulation effect, is suitable for high temperature kiln liners, and provides high-efficiency and energy-saving guaranteeing for industrial kiln devices.

Description

technical field [0001] The invention relates to the field of refractory materials, in particular to a lightweight thermal insulation brick for industrial kilns. Background technique [0002] Industrial kiln is the main energy-consuming equipment in industrial production. It consumes a lot of energy. It is widely used in ceramics, glass, chemical and electromechanical enterprises. However, its heat loss is generally high, so heat insulation materials with excellent performance are required to reduce energy consumption. At present, aluminum silicate refractory fibers are commonly used as thermal insulation materials for kiln lining, but their thermal conductivity is small, expensive, low in strength, and short in life. For this reason, some lightweight refractory bricks have been successively developed as the lining of industrial kilns. The more common ones are anorthite series lightweight refractory bricks, mullite lightweight refractory bricks, etc. However, the above-ment...

Claims

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Application Information

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IPC IPC(8): C04B35/66
Inventor 陈建
Owner 陈建