Building cement and preparation method thereof
A technology of construction cement and grinding aids, which is applied in the field of cement production, can solve the problems of large energy consumption and large pollution in the cement production industry, and achieve the effects of good reinforcement effect, low production cost and improved stability
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[0020] A preparation method of building cement, comprising the steps of:
[0021] S1. Weigh a certain amount of 85-100 parts of limestone, 20-30 parts of silica, 15-35 parts of granular river sand, 10-15 parts of bauxite, 18-25 parts of iron ore, 10-20 parts of copper slag, 20-25 parts of fly ash, 10-15 parts of clay and 10-20 parts of desulfurized gypsum are mixed, then added to a pulverizer for crushing, and then calcined at 600-900°C to obtain a mixture;
[0022] S2. Add a certain amount of water to the mixture obtained in step S1, then add 8-15 parts of stabilizer and 10-15 parts of grinding aid and stir for 15-20 minutes, let stand for 20-30 minutes and then stir for 10-15 minutes , to obtain a mixed solution;
[0023] S3, drying the mixed solution obtained in step S2 through a dryer to obtain cement;
[0024] S4, inspecting and packing the cement obtained in step S3 into storage.
Embodiment 1
[0026] S1. Weigh a certain amount of 85 parts of limestone, 20 parts of silica, 15 parts of granular river sand, 10 parts of bauxite, 18 parts of iron ore, 10 parts of copper slag, 20 parts of fly ash, 10 parts of clay and desulfurized gypsum 10 parts were mixed and then added to a pulverizer for pulverization and then calcined at 600°C to obtain a mixture;
[0027] S2. Add a certain amount of water to the mixture obtained in step S1, then add 8 parts of stabilizer and 10 parts of grinding aid and stir for 15 minutes, and then stir for 10 minutes after standing for 20 minutes to obtain a mixed solution;
[0028] S3, drying the mixed solution obtained in step S2 through a dryer to obtain cement;
[0029] S4, inspecting and packing the cement obtained in step S3 into storage.
Embodiment 2
[0031] S1. Weigh a certain amount of 100 parts of limestone, 30 parts of silica, 35 parts of granular river sand, 15 parts of bauxite, 25 parts of iron ore, 20 parts of copper slag, 25 parts of fly ash, 15 parts of clay and desulfurized gypsum 20 parts were mixed and then added to a pulverizer for pulverization and then calcined at 900°C to obtain a mixture;
[0032] S2. Add a certain amount of water to the mixture obtained in step S1, then add 15 parts of stabilizer and 15 parts of grinding aid and stir for 20 minutes, and then stir for 15 minutes after standing for 30 minutes to obtain a mixed solution;
[0033] S3, drying the mixed solution obtained in step S2 through a dryer to obtain cement;
[0034] S4, inspecting and packing the cement obtained in step S3 into storage.
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