Method for producing green ecological cement resistant to seawater corrosion with stone waste
A technology for stone waste and ecological cement is applied in the field of green ecological cement production that is resistant to seawater corrosion. The effect of volume stability, high resistance to chloride ion diffusion, good economic and social benefits
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Embodiment 1
[0040] The green ecological cement with stone waste as raw material, its production method comprises the following steps:
[0041] a. Drying: The stone waste is sent to the vertical dryer by the belt conveyor for drying. After drying, the stone waste is sent to the stone waste warehouse by the elevator for storage, and the water content is less than 2.8%.
[0042] b. Grinding: Grind the dried stone waste obtained in step a with a cement mill so that the passing rate through a 100-mesh sieve reaches more than 95%, and 30 parts of the obtained stone waste and the prepared sulphoaluminate cement are cooked Add 40 parts of material, 0.03 parts of composite activator and 2 parts of early strength agent into the cement mill in parts by weight, and spray atomized water to the inside of the cement mill to control the temperature of the grinding process at 90-120°C. The material that comes out of the grinding head of the cement mill, that is, cement, is transported into the finished pr...
Embodiment 2
[0046] The green ecological cement with stone waste as raw material, its production method comprises the following steps:
[0047] a. Drying: The stone waste is sent to the vertical dryer by the belt conveyor for drying. After drying, the stone waste is sent to the stone waste warehouse by the elevator for storage, and the water content is less than 2.8%.
[0048] b. Grinding: Grind the dried stone waste obtained in step a with a cement mill so that the passing rate through a 100-mesh sieve reaches more than 95%, and 35 parts of the obtained stone waste and the prepared sulphoaluminate cement are cooked Add 45 parts of raw materials, 0.04 parts of composite activator and 3 parts of early strength agent into the cement mill in parts by weight, and spray atomized water to the inside of the cement mill to control the temperature of the grinding process at 90-120°C. The material that comes out of the grinding head of the cement mill, that is, cement, is transported into the finish...
Embodiment 3
[0052] The green ecological cement with stone waste as raw material, its production method comprises the following steps:
[0053] a. Drying: The stone waste is sent to the vertical dryer by the belt conveyor for drying. After drying, the stone waste is sent to the stone waste warehouse by the elevator for storage, and the water content is less than 2.8%.
[0054] b. Grinding: Grind the dried stone waste obtained in step a with a cement mill so that the passing rate of it through a 100 mesh sieve reaches more than 95%, and 40 parts of the obtained stone waste and the prepared sulphoaluminate cement are cooked Add 50 parts of material, 0.05 parts of composite activator and 4 parts of early strength agent into the cement mill in parts by weight, and spray atomized water into the cement mill to control the temperature of the grinding process at 90-120 °C. The material that comes out of the grinding head of the cement mill, that is, cement, is transported into the finished product...
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