Mine whole-tailing and composite superfine cement bond filling material
A technology of cementing filling materials and ultra-fine cement, which is applied in the direction of sustainable waste treatment, solid waste management, climate sustainability, etc., can solve the problems of large cement content, high cost of filling materials, and difficult dispersion of cement particles The effect of reducing the dosage and reducing the cost
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Embodiment 1
[0010] A mine full tailings composite superfine cement cemented filling material, which is formed by mixing composite superfine cement, whole tailings and water, and its mass ratio is: composite superfine cement: full tailings: water = 30:970: 150; the composite superfine cement is formed by mixing dispersant and superfine cement, and its mass ratio is: dispersant: superfine cement=0.5:100; the superfine cement is composed of Portland cement clinker and Composed of gypsum, wherein the mass ratio of various components is: Portland cement clinker: gypsum = 95:5; the fineness of the ultrafine cement is 800m 2 / kg; the full tailings is any one of mine siliceous tailings, silicon-iron full tailings, aluminum full tailings, and sulfur full tailings; the water is urban tap water or does not affect the filling material performance water. Stir the composite ultra-fine cement, full tailings and water according to the above ratio evenly to form a mine full tailings composite ultra-fine ...
Embodiment 2
[0015] A mine full tailings composite superfine cement cemented filling material, which is formed by mixing composite superfine cement, whole tailings and water, and its mass ratio is: composite superfine cement: full tailings: water = 60:940: 250; the composite superfine cement is formed by mixing dispersant and superfine cement, and its mass ratio is: dispersant: superfine cement = 0.3:100; the superfine cement is made of Portland cement clinker and gypsum, wherein the mass ratio of various components is: Portland cement clinker: gypsum = 90:10; the fineness of the ultrafine cement is 600m 2 / kg; the full tailings is any one of mine siliceous tailings, silicon-iron full tailings, aluminum full tailings, and sulfur full tailings; the water is urban tap water or does not affect the filling material performance water. Stir the composite ultra-fine cement, full tailings and water according to the above ratio evenly to form a mine full tailings composite ultra-fine cement cement...
Embodiment 3
[0020] A mining full tailings composite superfine cement cemented filling material, which is formed by mixing composite superfine cement, full tailings and water, and its mass ratio is: composite superfine cement: full tailings: water = 100:900: 350; the composite superfine cement is formed by mixing dispersant and superfine cement, and its mass ratio is: dispersant: superfine cement = 0.1:100; the superfine cement is made of Portland cement clinker and gypsum, wherein the mass ratio of various components is: Portland cement clinker: gypsum = 95:5; the fineness of the ultrafine cement is 400m 2 / kg; the full tailings is any one of mine siliceous tailings, silicon-iron full tailings, aluminum full tailings, and sulfur full tailings; the water is urban tap water or does not affect the filling material performance water. Stir the composite ultra-fine cement, full tailings and water according to the above ratio evenly to form a mine full tailings composite ultra-fine cement cemen...
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