Novel autoclaved fly ash self-insulation wall material and production process
A technology for wall materials and production processes, applied in the field of building materials, can solve problems such as poor fire resistance and durability, and achieve the effects of energy saving, significant thermal insulation effect, and good seismic performance.
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Embodiment 1
[0014] Embodiment one: weigh by following raw material (unit: kilogram)
[0015] Cement 700, lime 18, gypsum 4, fly ash 55, light silica powder 15, aluminum powder 0.1, sodium metasilicate 0.1, methylsulfonate naphthalene polymer 0.8;
[0016] The preparation process follows the steps
[0017] When the water temperature is controlled at 50°C, add gypsum, light silica powder, fly ash, cement, and lime in sequence. The weight-to-material ratio of water to each raw material is: water: cement = 0.75, stir for 28 minutes until uniform, and then add aluminum powder , sodium metasilicate and naphthalene methylsulfonate polymer and then stirred for 30s evenly, when the slump is 23cm, pour the prepared slurry into a mold of a certain size, the pouring temperature is 45°C, and let it stand for 15 minutes to generate gas , when the green body completes the initial setting and has a certain strength, the mold can be removed and cut to make it meet the appearance size requirements; finall...
Embodiment 2
[0018] Embodiment two: weigh by following raw material (unit: kilogram)
[0019] Cement 10, lime 15, gypsum 3, fly ash 45, light silica powder 24.3, aluminum powder 0.25, sodium metasilicate 0.4, methylsulfonate naphthalene polymer 1.5;
[0020] The preparation process follows the steps
[0021] When the water temperature is controlled at 34°C, add gypsum, light silica powder, fly ash, cement, and lime in sequence; the weight ratio of water to each raw material is: water: cement = 0.9, stir for 28 minutes until uniform, and then add aluminum powder , sodium metasilicate and naphthalene methylsulfonate polymer and then stirred for 50s evenly, when the slump is 29cm, pour the prepared slurry into a mold of a certain size, the pouring temperature is 35°C, and let it stand for 30 minutes to generate gas , when the green body completes the initial setting and has a certain strength, the formwork can be removed and cut to make it meet the appearance size requirements; finally, the ...
Embodiment 3
[0022] Embodiment three: weigh by following raw material (unit: kilogram)
[0023] Cement 8, lime 20, gypsum 2, pulverized coal 48.83, light silica powder 20, aluminum powder 0.15, sodium metasilicate 0.2, and naphthalene methylsulfonate polymer 1.
[0024] The preparation process follows the steps
[0025] When the water temperature is controlled at 40°C, add gypsum, light silica powder, fly ash, cement, and lime in sequence; the weight-to-material ratio of water to each raw material is: water: cement = 0.8, stir for 20 minutes until uniform, and then add aluminum powder , sodium metasilicate and naphthalene methylsulfonate polymer and then stirred for 30s evenly, when the slump is 26cm, inject the prepared slurry into a mold of a certain size, and let it stand for 55 minutes to generate gas. When it is condensed and has a certain strength, it can be disassembled and cut to make it meet the requirements of appearance size; finally, put the finished block body into a steam cu...
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