Preparation method for steel-making slag-doped aerated hollow brick
A steelmaking slag and hollow brick technology, applied in the direction of climate sustainability, sustainable waste treatment, solid waste management, etc., to achieve the effect of solving environmental pollution problems, large usage, and light bulk density
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[0020] A method for preparing an aerated hollow brick doped with steelmaking slag, the method comprising the following steps:
[0021] 1), mix raw materials according to the following dry basis mass parts:
[0022]
[0023] 2) Take 60-70 parts of inorganic garbage and 2-3.5 parts of aluminum powder in the mass parts before fine grinding, and mix the modified fly ash, cement, hemihydrate gypsum and calcium carbide slag with the inorganic garbage and aluminum powder are mixed evenly and finely ground;
[0024] 3) Put the crushed ceramic waste and the finely ground dry material into the mixing equipment, and add water to fully stir;
[0025] 4), according to the above steps (3) 0.04-0.06% of the mass of the stirring material is added with waste aluminum powder, and 0.003-0.005% of the stirring material is added with a foam stabilizer;
[0026] 5) Put the slurry stirred in the above step (4) at a temperature of 60-75° C., the static stop foaming time is 2-3 hours, and the sta...
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