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Heat-insulation foamed ceramic plate and preparation method thereof

A foamed ceramic board, thermal insulation technology, applied in the direction of ceramic products, ceramic material production, clay products, etc., can solve the problems of complex process technology, high cost, difficult control of production process, etc., to achieve controllable process, low cost, Long service life effect

Active Publication Date: 2014-11-05
GUANGXI OCEANO CERAMICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In view of the above-mentioned deficiencies in the prior art, the object of the present invention is to provide a thermal insulation foam ceramic board and its preparation method, aiming to solve the problems of complex technology, difficult control of the production process and high cost of the foam ceramic products in the prior art. question

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0044] In terms of mass percentage, mix 75% of ceramic polishing waste, 12% of kaolin, 10% of black clay, and 3% of plasticizer together, and wet ball mill until the slurry particle size is 250 mesh sieve and the remaining 0.8~1.2% ; Sieve the ball-milled slurry to remove iron; the slurry is spray-dried, and the particle gradation is: 2.5-5.0% above 30 mesh, >80% from 30-80 mesh, <3% below 100 mesh, after spray drying The powder enters the silo and is aged for 48 hours at room temperature. After aging, the water content is 6.5~7.5%. The aged powder is transported to the press for molding. The molding size is 580×580mm and the thickness is 15±2mm; the pressed brick adobe Enter the 150°C drying kiln to dry for 45 minutes, and the dried bricks enter the roller kiln for firing at a firing temperature of 1160°C for 2 hours. The fired bricks are cut, and the cut size is 600×600mm, and the thickness is 20~25mm. The thermal conductivity of the thermal insulation foam ceramic board pr...

Embodiment 2

[0046] In terms of mass percentage, mix 60% ceramic polishing waste slag, 10% steel slag, 16% kaolin, 13% blackite, and 1% plasticizer, and wet ball mill until the slurry particle size is 250 mesh sieve The remaining 0.8~1.2%. Sieve the ball-milled slurry to remove iron. The slurry is spray-dried, and the particle gradation is: 2.5~5.0% above 30 mesh, >80% between 30 mesh and 80 mesh, and <3% below 100 mesh. After aging, the water content is 6.5~7.5%, and the aged powder is transported to the press for molding. The molding size is 580×580mm, and the thickness is 15±2mm. The pressed bricks are dried in a 150°C drying kiln for 60 minutes, and the dried bricks are fired in a roller kiln at a firing temperature of 1115°C for 2 hours; the fired bricks are cut, and the cut size is 600×600mm, thickness 20-25mm. The thermal conductivity of the thermal insulation foam ceramic board prepared at last is 0.08~0.12W / (m·K), and the thermal insulation and energy saving effect is remarkabl...

Embodiment 3

[0048] In terms of mass percentage, mix 58% ceramic polishing waste slag, 10% steel slag, 10% aluminum slag, 10% kaolin, 10% black slag, and 2% plasticizer, and wet ball mill to slurry The particle size of the material is 0.8~1.2% of the 250 mesh sieve; the ball-milled slurry is sieved to remove iron; the slurry is spray-dried, and the particle gradation is: 2.5~5.0% above 30 mesh, 30 mesh~80 mesh>80% , less than 3% under 100 mesh, the spray-dried powder enters the silo and ages for 48 hours at room temperature. After aging, the moisture content of the powder is 6.5~7.5%. ×580mm, thickness 15±2mm; the pressed bricks are dried in a 150°C drying kiln for 50 minutes, and the dried bricks are fired in a roller kiln at a firing temperature of 1190°C for 2.5 hours; after firing The bricks are cut, and the cut size is 600×600mm, and the thickness is 20~25mm; the thermal conductivity of the final building energy-saving thermal insulation foam ceramic board is 0.08~0.12W / (m·K), and the...

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Abstract

The invention discloses a heat insulation foamed ceramic plate and a preparation method thereof, wherein the heat insulation foamed ceramic plate is prepared from the following raw materials in percentage by weight: 60-80% of solid waste residue, 10-25% of kaolin, 10-20% of black mud and 1-3% of plasticizer, wherein the plasticizer comprises one or the combination of a plurality of ceramic polishing waste residues, steel slag and aluminum slag; the ceramic polishing waste residue comprises the following components in percentage by weight: 65-75% of SiO2, 15-25% of Al2O3, 2-4% of CaO, 1-3% of MgO, 1-3% of K2O and 2-4% of Na2O; the steel slag comprises the following components in percentage by weight: 10-20% of SiO2, 1-5% of Al2O3, 30-40% of CaO, 5-10% of MgO, 0.2% of K2O and 0.1% of Na2O; and the aluminum slag comprises the following components in percentage by weight: 0.5% of SiO2, 55-65% of Al2O3, 2% of CaO, 1% of MgO, 0.05% of K2O and 2.5% of Na2O. The heat insulation foamed ceramic plate which is produced by the method has the advantages of building energy conservation, heat preservation and insulation, fire resistance, dampproofness, acid and alkaline corrosion resistance, long service life and the like.

Description

technical field [0001] The invention relates to the field of thermal insulation materials, in particular to a thermal insulation foam ceramic board and a preparation method thereof. Background technique [0002] Among the four energy-saving industries of industry, construction, transportation and life, building energy conservation is regarded as the most popular field, and it is the most direct and cheapest measure to reduce environmental pollution and improve urban environmental quality. It is an important component of building energy conservation. In part, the thermal insulation material market is also rapidly heating up, and the demand scale is unprecedented. [0003] The thermal insulation materials in the prior art mainly include the following types: organic thermal insulation materials, inorganic thermal insulation materials, and composite thermal insulation materials, but these thermal insulation materials all have deficiencies: organic thermal insulation materials, s...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B38/02C04B33/132
CPCY02P40/60
Inventor 郑树龙刘俊荣卢斌刘宇张缇
Owner GUANGXI OCEANO CERAMICS CO LTD
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