Traditional Culture Encyclopedia - Traditional festivals - What are the manufacturing steps of aerated block brick?
What are the manufacturing steps of aerated block brick?
First, prepare raw materials for production. Now more and more buildings no longer use clay bricks, especially high-rise buildings, and use autoclaved aerated concrete blocks more. The performance of this new building material is not only several times that of clay brick, but more importantly, it is cheap. The reason why aerated concrete blocks are easier to use and cheaper than clay bricks is mainly because aerated concrete blocks are made of fly ash as the core raw material, and after ball milling, a small amount of cement, gypsum and foaming agent are added. (2) After the ingredients are mixed, they are added into a pouring mixer, and then aluminum powder suspension is added and stirred into slurry. Thirdly, after mixing evenly, the raw materials are mixed. Fourth, the forming stage. Pour the stirred slurry into the mold basket through the screw conveyor. Fifthly, after shaking, the initial coagulation begins in the initial incubation room at room temperature of 50~70℃. After an hour and a half, it can be condensed into a block and then sent out of the initial incubation room. Sixth, molding. Then the lines are polished and cut. Firstly, the mold basket and the blank are hoisted to the cutting table by a negative pressure spreader, and then the workers take down the baffle to rotate the box body by 90 degrees, and take out the mold basket. Seventh, after taking out the mold basket, cut out the approximate lines and shapes as required. Eighth, curing and autoclaving, that is, put the cut embryos on the prepared axe floor, push them into the axe cart together, send them into the autoclaved axe as a group, cover the axe door, and then cure and autoclave. Ninth, after autoclaving is completed, the packaging stage of the product is reached, and the product can be delivered out of the warehouse after packaging is completed. So the concrete block is finished.
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