Aerated concrete block and its production process
A technology for air-entrained concrete and concrete blocks, which is applied in the direction of climate sustainability, other household appliances, sustainable waste treatment, etc., to achieve the effects of improving product strength and thermal insulation, reducing cement consumption, and improving dissolution rate
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[0029] As shown in Figure 1, it is a process flow diagram of the production method of the present invention. The raw material formula and weight parts of an embodiment of the aerated concrete block are:
[0030] Fly ash 60kg, lime 20kg, gypsum 8kg, cement 12kg, composite gas generating agent 6kg, fly ash high-efficiency activator 1.5kg, composite stabilizer 2.5kg and appropriate amount of water.
[0031] 2. The production method of aerated concrete block according to claim 1, characterized in that: the process flow of the production method is:
[0032] (1) Fly ash pretreatment is to dehydrate and concentrate fly ash with a moisture content of more than 30%, using natural sedimentation in a storage tank for dehydration, or using a vacuum dehydrator for dehydration and sieving. The fineness requirement is 0.045 The sieve residue of mm square hole sieve is not more than 30%, and weighs 60kg;
[0033] (2) For the crushing of lime and gypsum, use a crusher to crush the massive lime and...
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