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Preparation method of novel self-insulation perforated brick

A porous brick, self-insulation technology, applied in the field of building materials, can solve the problems of increasing the complexity of the production process and the cost of materials, high performance requirements for brick-making molds, and high product costs, and achieves market competitiveness. The effect of reducing the cost of brick making

Inactive Publication Date: 2013-04-17
HUNAN UNIV OF TECH
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Problems solved by technology

However, this self-insulating energy-saving brick requires the insertion of insulating inserts, which increases the complexity of the production process and the cost of materials, and has high requirements on the performance of the brick-making mold. Therefore, the product cost is relatively high, and it is not suitable for large-scale promotion.

Method used

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  • Preparation method of novel self-insulation perforated brick

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[0014] Specific example: According to illite shale: coal gangue: vitrified microbeads: additive mass ratio is 3:2:0.2:0.03 ingredients, mixed with water accounting for 10% of the total mass for aging, after 5 days into a double-stage vacuum The bricks are extruded by the extruder to form the bricks, and the bricks are dried in the drying section at 40±5°C for 72 hours, and the bricks are put into the wheel kiln and the temperature is slowly raised to 1000±10°C and kept for 7 hours. ~8 hours, so as to produce a new type of self-insulating porous brick.

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Abstract

The invention relates to a preparation method of a novel self-insulation perforated brick. The method comprises the steps of evenly mixing illite shale, coal gangue, glass beads and additives according to the mass ratio of (3-4) to (1-2) to (0.1-0.3) to (0.01-0.1), aging the materials for 3-7 days after water is added to the materials according to technological requirements, extruding the materials to form an air brick by a two-stage vacuum extruder, drying the air brick for 3-5 days at 40+ / -5 DEG C, slowly heating a dried air brick in an annular kiln to 1000+ / -10 DEG C, and sintering the dried air brick for 5 hours at over 900 DEG C, thus obtaining the novel self-insulation perforated brick, wherein the sintering period is 50 hours.

Description

technical field [0001] The invention relates to the field of building materials, in particular to a method for preparing a novel self-insulating porous brick which is sintered by illite shale, coal gangue, vitrified microbeads and additives. Background technique [0002] With the rapid development of the economy, people have higher and higher requirements for comfortable and energy-saving buildings. At present, my country is vigorously promoting building energy conservation in the "Twelfth Five-Year Plan", and has also issued a series of documents related to building energy conservation, among which the requirements for thermal insulation properties of building wall materials are getting higher and higher. The patent application document of patent number CN201447798U discloses a kind of self-insulation energy-saving brick, this self-insulation energy-saving brick comprises a brick body, is provided with a plurality of through-holes on the brick body, is provided with heat-in...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B38/06C04B38/08
Inventor 刘建龙张海平汤建新夏小倩谢洁南楚玉辉
Owner HUNAN UNIV OF TECH
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