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Air-added brick and preparation method thereof

A technology of aerated bricks and steam curing, which is applied in the field of aerated bricks, can solve the problems such as the mechanical strength of aerated bricks needs to be improved, and achieve the effect of excellent mechanical strength, simple method, and easy-to-obtain raw materials

Inactive Publication Date: 2017-01-04
明光市凯旋新型建材厂
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the mechanical strength of ordinary aerated bricks needs to be improved

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] Mix 100g of Portland cement, 6g of fly ash, 3g of gypsum, 6g of aluminum powder paste, 3g of silicon dioxide, 4g of magnesium oxide and 250g of water to form a slurry M; pour the slurry M into steam pre-oxidation molding (steam pre-oxidation Oxygen molding is kept in a steam environment at 40°C for 2 hours) to obtain the aerated brick body N; the aerated brick body N is cut to form aerated bricks, and the aerated bricks are steam cured (steam cured The temperature is 140°C, the time is 12h, the pressure is 1.5Mpa), and the aerated brick is obtained.

Embodiment 2

[0019] Mix 100g of Portland cement, 7g of fly ash, 4g of gypsum, 12g of aluminum powder paste, 5g of silicon dioxide, 6g of magnesium oxide and 350g of water to form a slurry M; pour the slurry M into steam pre-oxidation molding (steam pre-oxidation Oxygen molding is kept in a steam environment at 60°C for 4 hours) to obtain the aerated brick body N; the aerated brick body N is cut to form aerated bricks, and the aerated bricks are steam cured (steam cured The temperature is 150°C, the time is 24h, the pressure is 2Mpa), and the aerated brick is obtained.

Embodiment 3

[0021] Mix 100g of Portland cement, 6.5g of fly ash, 3.5g of gypsum, 8g of aluminum powder paste, 4g of silicon dioxide, 5g of magnesium oxide and 300g of water to form a slurry M; pour the slurry M into a steam pre-oxidation molding ( Steam pre-oxidation molding is to keep 3h in a steam environment at 50°C) to obtain the aerated brick body N; cut the aerated brick body N to form aerated bricks, and perform steam curing (steam curing) on ​​the aerated bricks The curing temperature is 145°C, the time is 16 hours, and the pressure is 1.8Mpa), and the aerated brick is obtained.

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PUM

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Abstract

The invention discloses an air-added brick and a preparation method thereof. The preparation method comprises the following steps: mixing portland cement, fly ash, gypsum, aluminum powder paste, silicon dioxide, magnesium oxide and water to form slurry M; pouring the slurry M and carrying out steam pre-oxidization molding to obtain an air-added brick blank N; cutting the air-added brick blank N to form an air-added brick block; carrying out steam curing on the air-added brick block to obtain the air-added brick. The prepared air-added brick has excellent mechanical strength through the synergistic effect of all the raw materials; meanwhile, the method for preparing the air-added brick is simple and the raw materials are easy to obtain.

Description

technical field [0001] The invention relates to the field of aerated bricks, in particular to an aerated brick and a preparation method thereof. Background technique [0002] Aerated bricks are aerated concrete blocks produced by high-temperature autoclaved equipment. They can be tailored according to different local raw materials and conditions. The raw materials can be river sand, fly ash, ore, etc. Utilization is beneficial to environmental protection and truly turns waste into treasure. However, the mechanical strength of ordinary aerated bricks needs to be improved. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide an aerated brick and its preparation method. The prepared aerated brick has excellent mechanical strength, and the preparation method is simple and the raw materials are easy to obtain. [0004] In order to achieve the above object, the present invention provides the following technical solutions:...

Claims

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Application Information

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IPC IPC(8): C04B38/02C04B28/04
CPCC04B38/02C04B28/04C04B2201/50C04B18/08C04B22/143C04B22/04C04B14/06C04B14/304C04B22/002
Inventor 崔旋
Owner 明光市凯旋新型建材厂
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