Cement composition and preparation method thereof
A technology of cement composition and portland cement, which can be applied in the direction of solid waste management, sustainable waste treatment, climate sustainability, etc., and can solve the problems that the effect cannot be effectively utilized.
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Embodiment 1
[0033] Grind Portland cement clinker, gypsum, power plant desulfurization gypsum, limestone, slag, sorted coarse fly ash, boiler bottom slag and boiling slag, so that the specific surface area of the above components is as follows: silicate The specific surface area of cement clinker is 300m 2 / kg, the specific surface area of gypsum is 750m 2 / kg, the specific surface area of desulfurization gypsum in the power plant is 700m 2 / kg, the specific surface area of limestone is 900m 2 / kg, the specific surface area of slag is 470m 2 / kg, the specific surface area of coarse fly ash after sorting is 650m 2 / kg, the specific surface area of boiler bottom slag is 700m 2 / kg, the specific surface area of the boiling slag is 700m 2 / kg;
[0034] 2) Add 0.03wt% A-type admixture to the ground Portland cement clinker and gypsum respectively, add 0.03wt% B-type admixture to the ground power plant desulfurization gypsum and limestone respectively, and add 0.03wt% B-ty...
Embodiment 2
[0039] Grind Portland cement clinker, gypsum, power plant desulfurization gypsum, limestone, slag, sorted coarse fly ash, boiler bottom slag and boiling slag, so that the specific surface area of the above components is as follows: silicate The specific surface area of cement clinker is 400m 2 / kg, the specific surface area of gypsum is 700m 2 / kg, the specific surface area of desulfurization gypsum in the power plant is 750m 2 / kg, the specific surface area of limestone is 1000m 2 / kg, the specific surface area of slag is 450m 2 / kg, the specific surface area of coarse fly ash after sorting is 700m2 / kg, the specific surface area of boiler bottom slag is 600m 2 / kg, the specific surface area of the boiling slag is 600m 2 / kg;
[0040] 2) Add 0.01wt% type A admixture to the ground Portland cement clinker and gypsum respectively, add 0.04wt% type B admixture to the desulfurized gypsum and limestone of the power plant after grinding respectively, and add 0...
Embodiment 3
[0045] Grind Portland cement clinker, gypsum, power plant desulfurization gypsum, limestone, slag, sorted coarse fly ash, boiler bottom slag and boiling slag, so that the specific surface area of the above components is as follows: silicate The specific surface area of cement clinker is 350m 2 / kg, the specific surface area of gypsum is 800m 2 / kg, the specific surface area of power plant desulfurization gypsum is 800m 2 / kg, the specific surface area of limestone is 800m 2 / kg, the specific surface area of slag is 500m 2 / kg, the specific surface area of coarse fly ash after sorting is 600m 2 / kg, the specific surface area of boiler bottom slag is 650m 2 / kg, the specific surface area of the boiling slag is 650m 2 / kg;
[0046] 2) Add 0.05wt% of A-type admixture to the ground Portland cement clinker and gypsum respectively, add 0.01wt% of B-type admixture to the ground power plant desulfurization gypsum and limestone respectively, and add 0.01wt% of B-...
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