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Sintering-free flyash brick

A fly ash brick, sinter-free technology, applied in the field of building materials, can solve the problems of low heat energy utilization rate, high vegetation cost, cumbersome adjustment, etc., and achieve the effects of environmental protection, strong frost resistance, and simple manufacturing process

Inactive Publication Date: 2010-06-23
SHIHEZI DEV ZONE TIANFU NEW BUILDING MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a formula and preparation method of sinter-free fly ash bricks to solve the problems of high vegetation cost and heat energy in the existing fly ash bricks. Problems of low utilization rate and cumbersome adjustment during the combustion process

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] The formula is:

[0020] 60 parts of fly ash, 18 parts of slag, 15 parts of calcium carbide slag, 2 parts of citric acid slag, 6 parts of yellow sand, 0.1 part of sodium nitrite, 0.2 part of sodium sulfate, 0.5 part of sodium silicate, 0.01 part of triethanolamine, rare earth dust 0.5 parts, water 8 parts, water glass 0.03 parts, salt 0.15 parts.

[0021] Its preparation method consists of the following steps:

[0022] (1) Stir after mixing 60 parts of fly ash and 15 parts of carbide slag according to the formula;

[0023] (2) The mixture obtained in step (1) is sent into a high-speed finely crushed pair of rollers, broken and wheel milled;

[0024] (3) Mix the crushed and wheel-milled mixture with 18 parts of slag, 2 parts of citric acid slag, 6 parts of yellow sand, 0.1 part of sodium nitrite, 0.2 part of sodium sulfate, 0.5 part of sodium silicate, and 0.01 part of triethanolamine according to the formula , 0.5 parts of rare earth dust, 8 parts of water, 0.03 part...

Embodiment 2

[0028] The formula is:

[0029] 65 parts of fly ash, 14 parts of slag, 12 parts of calcium carbide slag, 1.5 parts of citric acid slag, 4.5 parts of yellow sand, 0.15 parts of sodium nitrite, 0.35 parts of sodium sulfate, 0.75 parts of sodium silicate, 0.015 parts of triethanolamine, rare earth dust 0.3 parts, water 15 parts, water glass 0.02 parts, salt 0.3 parts.

[0030] Its preparation method consists of the following steps:

[0031] (1) Stir after mixing 65 parts of fly ash and 12 parts of carbide slag according to the formula;

[0032] (2) The mixture obtained in step (1) is sent into a high-speed finely crushed pair of rollers, broken and wheel milled;

[0033] (3) Mix the crushed and wheel-milled mixture with 14 parts of slag, 1.5 parts of citric acid slag, 4.5 parts of yellow sand, 0.15 part of sodium nitrite, 0.35 part of sodium sulfate, 0.75 part of sodium silicate, and 0.015 part of triethanolamine according to the formula , 0.3 parts of rare earth dust, 15 part...

Embodiment 3

[0037] The formula is:

[0038] 70 parts of fly ash, 10 parts of slag, 10 parts of calcium carbide slag, 1 part of citric acid slag, 3 parts of yellow sand, 0.2 part of sodium nitrite, 0.5 part of sodium sulfate, 1 part of sodium silicate, 0.02 part of triethanolamine, rare earth dust 0.1 part, 0.01 part of water glass, 22.5 parts of water, 0.4 part of table salt.

[0039] Its preparation method consists of the following steps:

[0040] (1) Stir after mixing 70 parts of fly ash and 10 parts of carbide slag according to the formula;

[0041] (2) The mixture obtained in step (1) is sent into a high-speed finely crushed pair of rollers, broken and wheel milled;

[0042] (3) Mix the crushed and wheel-milled mixture with 10 parts of slag, 1 part of citric acid slag, 3 parts of yellow sand, 0.2 part of sodium nitrite, 0.5 part of sodium sulfate, 1 part of sodium silicate, and 0.02 part of triethanolamine according to the formula , 0.1 part of rare earth dust, 0.03 part of water g...

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Abstract

The invention provides a sintering-free flyash brick formula and a preparation method thereof, relating to the field of building material. The technology which adopts flyash to serve as a clay substituent to prepare bricks at present is widely applied, but industrial chemicals, such as cement and the like are added into ingredients in the prior art, so that the prior art has high cost of brick making material, high water absorption rate, poor freezing resistance performance and low strength, and dried finished product bricks are easy to chap and even break. The invention adopts flyash and carbide slag as raw materials; after being mixed and stirred, flyash and carbide slag are sent into a high-speed fine pulverizing double-roll grinder to be smashed and performed with edge milling; smashed edge milling mixture is mixed and stirred with slag, citric acid slag, yellow sand, sodium nitrite, sodium sulfate, sodium silicate, triethanolamine, rare earth powder, water, water glass and table salt; and the finished product is obtained by blank making, convalescing and hot-gas curing. Compared with the existing flyash brick, the quality of the sintering-free flyash brick of the invention isobviously improved, compression strength is improved, an air shrinkage value in each age is reduced, freezing resistance performance is strong, and appearance is tidy and has no chap. The invention also has the advantages of simple preparation technology, low production cost, small pollution to environment and the like.

Description

technical field [0001] The invention relates to the field of building materials, in particular to a formula of a sinter-free fly ash brick and a preparation method thereof. Background technique [0002] At present, the solid bricks, hollow bricks, and porous bricks used in the building materials industry mostly use clay as the main raw material, causing a large amount of farmland to be destroyed. It is imperative to prepare bricks with substitutes. Fly ash is a clay-like pozzolanic material discharged from the combustion of coal in thermal power plants. It can be used as a substitute for clay. There are reports and patents on the use of fly ash vegetation bricks at home and abroad. For example, fly ash is currently used as a The load-bearing unburned bricks produced from raw materials also need to add cement clinker, which accounts for about 15%-25% of the total raw materials, and fly ash accounts for about 30%. There are also some fly ash bricks, the amount of fly ash is ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B30/00C04B18/10C04B18/08C04B14/06
CPCC04B2111/29C04B20/026C04B2111/34C04B28/08C04B2103/0006C04B2111/343C04B2111/00336Y02W30/91C04B12/04C04B14/068C04B18/08C04B18/12C04B18/141C04B22/085C04B22/124C04B22/147C04B24/06C04B24/122C04B40/0028C04B40/0082C04B40/0263C04B40/0281
Inventor 贾延伟杜世永陈可平李天改吴正强
Owner SHIHEZI DEV ZONE TIANFU NEW BUILDING MATERIAL
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