Air-extraining concrete and producing method

The aerated concrete consists of quartzite 50-60 wt%, cement 5-20 wt%, lime 20-40 wt%, gypsum 8 wt% and aluminum powder 0.05-0.12 wt% except water. The production process of the aerated concrete includes the following steps: grinding and pulping quartzite; mixing the material in the said proportion;...

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1. Verfasser: KUNZHONG CHEN
Format: Patent
Sprache:eng
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Zusammenfassung:The aerated concrete consists of quartzite 50-60 wt%, cement 5-20 wt%, lime 20-40 wt%, gypsum 8 wt% and aluminum powder 0.05-0.12 wt% except water. The production process of the aerated concrete includes the following steps: grinding and pulping quartzite; mixing the material in the said proportion; depositing, creating air, curing and cutting; autoclaving curing in autoclave to produce the block; and packing. The present invention has the advantage of making full use of waste quartzite to replace flyash, sand and stone as main concrete material in producing high quality aerated concrete product.