Production process for autoclaved aerated concrete blocks

Abstract

The invention discloses a production process for autoclaved aerated concrete blocks, and relates to the technical field of autoclaved aerated concrete blocks. According to the technical scheme, the production process for the autoclaved aerated concrete blocks comprises the following steps of: S1, weighing, wherein raw materials are weighed according to raw material ratios; S2, pulping, wherein theraw materials are put into a stirrer, a proper amount of water is added, and the mixture is stirred to obtain slurry; S3, feeding into a mold, wherein the slurry is poured into the mold; S4, cutting,wherein the autoclaved aerated concrete blocks are subjected to demolding after standing for a period of time, and then are cut into a required size; S5, steam curing, wherein the cut autoclaved aerated concrete blocks are put into a steam curing car to be subjected to steam curing; and S6, stacking, wherein the finished autoclaved aerated concrete blocks are stacked and stored. In the step S3, before the slurry is poured into the mold, pre-stretched elastic fiber lines are arranged in the mold firstly, and then the slurry is poured, so that the elastic fiber lines exist in the slurry. The structure is reasonable, and the number of cracks on the autoclaved aerated concrete blocks can be effectively reduced.

Description

technical field [0001] The present application relates to the technical field of autoclaved aerated concrete blocks, in particular to a production process of autoclaved aerated concrete blocks. Background technique [0002] The autoclaved aerated concrete block is made of fly ash, lime, cement, gypsum, slag, etc. A porous concrete product made by autoclaving and other processes, mainly used as building wall materials. [0003] As a new type of building wall material, autoclaved aerated concrete block has low energy consumption and environmental protection, which is very in line with national policy standards. However, autoclaved aerated concrete blocks have problems of large drying shrinkage and low strength. In the process of forming the structural strength of the autoclaved aerated concrete block, many micro-cracks are often produced due to the plastic shrinkage of the body, so that in the later autoclaving process, the micro-cracks are more likely to expand in the autoc...

AI Technical Summary

Problems solved by technology

However, autoclaved aerated concrete blocks have the problems of large drying shrinkage and low strength.