| abstract |
The invention relates to the technical field of preparation of aerated block bricks, and discloses a preparation method of a novel aerated block brick. The method comprises the following steps: (1) mixing fly ash, desulfurized gypsum, mirabilite and water, and controlling the weight ratio of water to dry material to be 2.3-4.3:2 to prepare slurry; (2) transferring the slurry into Stirring device, then add quicklime and blast furnace slag, stir, then add aluminum powder and calcium carbide slag, stir; (3) inject the mixed slurry into the mold box, and then transfer it to the static room for foaming and rest; (4) the green body reaches cutting After required, the mold is transferred to the cutting area, and the green body is cut to reach the set specifications; (5) The scrap is scraped off by the peeling device to obtain the block green body; (6) The block green body is sent into the autoclave Autoclave curing. The method not only saves costs, has high solid waste utilization rate, but also has no defects on the surface of the aerated block bricks prepared by the method, and has a kettle output strength of ≥3.8 MPa, which conforms to national standards. |