Aerated concrete block with composition of mica powder and fly ash and preparation method
A technology of aerated concrete and fly ash, applied in the field of building materials, can solve the problems of single material source, large drying shrinkage value, poor thermal insulation, etc. Effect
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[0013] A composite aerated concrete block of mica powder and fly ash, which is characterized in that it is made of the following raw materials in parts by weight (kg): cement 12, quicklime 20, gypsum 12, fly ash 30, aluminum powder 0.2, mica powder 30. Talc powder 12. Iron nitrate 3. Lard oil 3. Sodium dodecylbenzene sulfonate 3. Iron ore tailings 1. Sodium persulfate 3. Oil foot 3. Polyisobutylene 3. Alum 8.
[0014] The preparation method of mica powder and fly ash composite aerated concrete block is characterized in that it comprises the following steps:
[0015] (1) Add appropriate amount of water to mica powder, talcum powder and alum, heat to 90-100°C, stir for 15-20 minutes, add oil feet and iron ore tailings, stir for 15-25 minutes, then add sodium persulfate, Polyisobutylene, after stirring for 20-35 minutes, stir into mud;
[0016] (2) Add cement and fly ash to 40-50°C hot water and mix for 20-35 minutes, then add the mud and aluminum powder, quicklime, gypsum, sodi...
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