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Fired clay hollow brick with low thermal conductivity and preparation method thereof

A technology for sintering clay and hollow bricks, which is applied to clay products, other household appliances, applications, etc. It can solve the problems of poor thermal insulation performance and achieve good thermal insulation performance, excellent thermal insulation performance, and low thermal conductivity.

Inactive Publication Date: 2016-09-28
安徽宏发节能设备有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the sintered clay hollow bricks on the market still have the disadvantage of poor thermal insulation performance, which cannot meet the needs of the market.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0014] A low thermal conductivity sintered clay hollow brick, made of the following raw materials in weight (kg): yellow phosphorus slag 30, quartz sand tailings 24, calcium silicate 13, wood knot clay 45, aluminum silicate 9, cinder 19, hard wollastonite 20, sea mud 33, lithium slag 18, cement dust 17, arsenic sandstone 12, vermiculite 22, yellow dextrin 10, nanoporous silica airgel 13, oyster shell 26, hydroxyethyl cellulose 8 , sepiolite 18, sawdust 10, zirconia 9, water amount.

[0015] A method for preparing a low thermal conductivity sintered clay hollow brick, comprising the following steps:

[0016] (1) Mix vermiculite, lithium slag, oyster shell, and zirconia evenly, crush them, pass through a 90-mesh sieve, add an appropriate amount of water, stir well, make balls, and control the particle size at 5mm, and then make raw meal balls Dry at 90°C until the moisture content is below 4%, then place the dried raw material balls in a microwave oven for roasting: first contr...

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PUM

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Abstract

The invention discloses a fired clay hollow brick with low thermal conductivity and a preparation method thereof. The brick is prepared from the following raw materials (by weight): 23-35 parts of yellow phosphorus slag, 18-27 parts of arsenic sandstone area, 20-25 parts of vermiculite, 9-14 parts of yellow dextrin, 10-15 parts of nanoporous silica aerogel, 22-28 parts of oyster shell, 5-10 parts of hydroxyethyl cellulose, 14-22 parts of sepiolite, 8-12 parts of sawdust, 7-13 parts of zirconia and a proper amount of water. The fired clay hollow brick prepared from raw materials including coal cinder, sawdust, nanoporous silica aerogel, cement dust and the like has characteristics of low heat conductivity coefficient, high strength, corrosion resistance, ageing resistance and good seismic stability.

Description

technical field [0001] The invention relates to a hollow brick and a preparation method thereof, in particular to a low thermal conductivity sintered clay hollow brick and a preparation method thereof. Background technique [0002] Hollow brick is the main wall material commonly used in the construction industry. Due to its advantages of light weight and low consumption of raw materials, it has become the first product recommended by the national construction department. Sintered clay hollow bricks are made of clay and mineral raw materials as the main raw materials, which are processed, shaped and sintered. Sintered clay hollow brick has the advantages of light weight, high strength, good thermal insulation, sound insulation and noise reduction performance, environmental protection and no pollution, etc. It is an ideal filling material for frame structure buildings. In recent years, with the rapid development of the construction industry, the performance requirements of fi...

Claims

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Application Information

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IPC IPC(8): C04B33/132C04B33/138C04B33/36C04B33/135C04B33/13
CPCC04B33/1305C04B33/131C04B33/132C04B33/1321C04B33/135C04B33/138C04B33/36C04B2235/3244C04B2235/3418C04B2235/3454C04B2235/3463C04B2235/77C04B2235/96C04B2235/9607Y02P40/60
Inventor 王慧
Owner 安徽宏发节能设备有限公司
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