A method for preparing solid waste-based cementitious materials by ultra-low carbon and ultra-low emission cascade grinding
An ultra-low-carbon, grinding technology, applied in cement production, etc., can solve the problems of low activity and strength of solid waste-based cementitious materials, and achieve enhanced strength, improved early compressive and flexural strength, and low standard viscosity. Effect
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Embodiment 1
[0026] This embodiment provides a method for preparing solid waste-based cementitious materials by ultra-low-carbon and ultra-low-emission cascade grinding, which includes the following steps:
[0027] S0, mixing 10 parts of triethanolamine with 3 parts of sodium tripolyphosphate, 7 parts of sodium fluoroaluminate, 3 parts of sodium diethyldithiocarbamate, 3 parts of polysuccinimide, and 30 parts of water to obtain a grinding aid ;
[0028] S1. Mix the slag and grinding aid at a mass ratio of 20:1, and then transport it to the vertical mill for grinding through the belt conveyor until the specific surface area is ≥ 600m 2 / kg, get the first slag, transport to 1# semi-finished product warehouse;
[0029] S2. Mix the slag and the grinding aid according to the mass ratio of 25:1, and then transport it to the vertical mill for grinding by the belt conveyor, and grind until the specific surface area is 500m 2 / kg-600m 2 / kg, to obtain the second slag, transported to 2# semi-fini...
Embodiment 2
[0033] This embodiment provides a method for preparing solid waste-based cementitious materials by ultra-low-carbon and ultra-low-emission cascade grinding, which includes the following steps:
[0034] S0, mixing 20 parts of triethanolamine with 5 parts of sodium tripolyphosphate, 10 parts of sodium fluoroaluminate, 5 parts of sodium diethyldithiocarbamate, 5 parts of polysuccinimide, and 50 parts of water to obtain a grinding aid ;
[0035] S1. Mix the slag and grinding aid at a mass ratio of 20:1, and then transport it to the vertical mill for grinding through the belt conveyor until the specific surface area is ≥ 600m 2 / kg, get the first slag, transport to 1# semi-finished product warehouse;
[0036] S2. Mix the slag and the grinding aid according to the mass ratio of 25:1, and then transport it to the vertical mill for grinding by the belt conveyor, and grind until the specific surface area is 500m 2 / kg-600m 2 / kg, to obtain the second slag, transported to 2# semi-fin...
Embodiment 3
[0040] This embodiment provides a method for preparing solid waste-based cementitious materials by ultra-low-carbon and ultra-low-emission cascade grinding, which includes the following steps:
[0041] S0, mixing 10 parts of triethanolamine with 3 parts of sodium tripolyphosphate, 7 parts of sodium fluoroaluminate, 3 parts of sodium diethyldithiocarbamate, 3 parts of polysuccinimide, and 30 parts of water to obtain a grinding aid ;
[0042] S1. Mix the slag and grinding aid at a mass ratio of 20:1, and then transport it to the vertical mill for grinding through the belt conveyor until the specific surface area is ≥ 600m 2 / kg, get the first slag, transport to 1# semi-finished product warehouse;
[0043] S2. Mix the slag and the grinding aid according to the mass ratio of 25:1, and then transport it to the vertical mill for grinding by the belt conveyor, and grind until the specific surface area is 500m 2 / kg-600m 2 / kg, to obtain the second slag, transported to 2# semi-fini...
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