Method for improving hydration activity of waste glass powder
A technology of waste glass and waste glass powder, which is applied in the field of building materials, can solve the problems of waste glass not being effectively recycled and utilized, low comprehensive utilization rate of resources, ecological environment damage, etc., and achieve great economic value and environmental protection significance. Increased strength, high early strength effect
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Embodiment 1
[0017] (1) Waste glass of different colors and types collected from the waste collection station is cleaned, dried in the sun, primary crushed, jaw crushed and ball milled for 120 minutes to obtain waste glass powder.
[0018] (2) Pass the waste glass powder treated in step (1) through dry sieving, wet sieving and sedimentation method to obtain waste glass powder with a particle size range of 10-75 μm, and the specific surface area of waste glass powder particles is greater than 400m 2 / kg.
[0019] (3) Add the waste glass powder obtained in step (2) to cement and compound activator for 30 minutes of mixing and grinding treatment, then add water, pour it into the cement slurry mixer and stir for 3 minutes to obtain the composite cementitious material, composite glue The fineness standard of the condensate material is that the specific surface area is greater than 400m 2 / kg; parts by weight of each component are: 30 parts of waste glass powder, 70 parts of cement, 30 parts ...
Embodiment 2
[0023] (1) Waste glass of different colors and types collected from the waste collection station is cleaned, dried in the sun, primary crushed, jaw crushed and ball milled for 120 minutes to obtain waste glass powder.
[0024] (2) Pass the waste glass powder treated in step (1) through dry sieving, wet sieving and sedimentation method to obtain waste glass powder with a particle size range of 10-75 μm, and the specific surface area of waste glass powder particles is greater than 400m 2 / kg.
[0025] (3) Add the waste glass powder obtained in step (2) to cement and composite activator for 30 minutes of mixing and grinding treatment, then add water, pour it into the cement slurry mixer and stir for 2 minutes to obtain composite cementitious material, composite glue The fineness standard of the condensate material is that the specific surface area is greater than 400m 2 / kg; parts by weight of each component are: 30 parts of waste glass powder, 70 parts of cement, 50 parts of ...
Embodiment 3
[0029] (1) The waste glass of different colors and types collected from the waste collection station is cleaned, dried in the sun, primary crushed, jaw crushed and ball milled for 90 minutes to obtain waste glass powder.
[0030] (2) Pass the waste glass powder treated in step (1) through dry sieving, wet sieving and sedimentation method to obtain waste glass powder with a particle size range of 10-75 μm, and the specific surface area of waste glass powder particles is greater than 400m 2 / kg.
[0031] (3) Add the waste glass powder obtained in step (2) to cement and composite activator for 30 minutes of mixing and grinding treatment, then add water, pour it into the cement slurry mixer and stir for 2 minutes to obtain composite cementitious material, composite glue The fineness standard of the condensate material is that the specific surface area is greater than 400m 2 / kg; parts by weight of each component are: 25 parts of waste glass powder, 75 parts of cement, 50 parts ...
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