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Fly ash concrete Aerated block becomes Waste "Treasure"

June 07, 2022

With the progress of The Times, the development of production and the continuous improvement of people's living quality, the rational use of environment and resources is particularly important. The construction of green environment is to change the industrial waste residue into "waste" and "treasure", so the comprehensive utilization of fly ash is particularly important.

In recent years, through the continuous research and development of colleges and universities and building materials research institutions in China and the introduction of foreign advanced experience, a lot of mature experience and practical application achievements in the production of fly ash aerated concrete blocks have been achieved, and good economic and social benefits have been obtained.

Autoclaved aerated concrete(AAC) block is a kind of porous lightweight building material made of fly ash, lime and cement as the main raw materials and aluminum powder as foaming agent through batching, mixing, pouring, gas generation, cutting and high pressure autoclaved.

Aerated concrete block not only has the characteristics of light quality, but also has the performance of heat preservation, heat insulation, fire prevention and sound absorption. In the process of processing and use, the site can be sawed, plane, drill, nail and other work, which is conducive to construction.

Design problem of production equipment for sand aeration block of 50,000 m3

Annual output/daily output

50,000m3/170m3

Number of  personnel

depending on the situation

Steam curing time

8 hours

brick pressure

9-10mpa

Casting and mixing time

<3min

resting time

40min

container loading

8 large containers

sea freight

depending on the situation