A kind of phosphorus slag-based environment-friendly building material and preparation method thereof
A kind of building materials, environmental protection technology, applied in the field of building materials, can solve the problems of not being widely used, low early activity, low strength, etc., to achieve the effect of improving workability, increasing activity, and reducing hydration speed
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Embodiment 1
[0024] A preparation method of phosphorus slag-based environment-friendly building material, comprising the following steps:
[0025] (1) Use crushing equipment to crush the dried waste cement concrete to obtain waste cement concrete sand with a particle size of 0.01-5.00mm; use grinding equipment to grind the waste concrete sand for 45 minutes to obtain a specific surface area of 760m 2 / kg of waste concrete powder;
[0026] (2) Set the specific surface area to 600m 2 / kg of phosphorus slag powder, the specific surface area is 760m 2 / kg of waste concrete powder, the specific surface area is 450m 2 / kg of solid waste fly ash produced by coal power plants, the specific surface area is 18000m 2 / kg microsilica fume, P.O42.5, machine-made sand, tap water, high-efficiency polycarboxylate water-reducer with a water-reducing rate of 25%, according to the mass ratio: phosphorus slag powder: construction waste slag powder: silicon-aluminum sphere material : Nano-scale silica po...
Embodiment 2
[0029] A preparation method of phosphorus slag-based environment-friendly building material, comprising the following steps:
[0030] (1) Use crushing equipment to crush the dried waste cement concrete to obtain waste cement concrete sand with a particle size of 0.01-5.00mm; use grinding equipment to grind the waste concrete sand for 20 minutes to obtain a specific surface area of 580m 2 / kg of waste concrete powder;
[0031] (2) Set the specific surface area to 560m 2 / kg of phosphorus slag powder, the specific surface area is 580m 2 / kg of construction waste powder, the specific surface area is 400m 2 / kg of solid waste fly ash produced by coal power plants, the specific surface area is 20000m 2 / kg microsilica fume, slaked lime, machine-made sand, tap water, high-efficiency polycarboxylate water reducer with a water reducing rate of 27%, according to the mass ratio: phosphorus slag powder: construction waste slag powder: silicon-aluminum sphere material: nano-scale sili...
Embodiment 3
[0034] A preparation method of phosphorus slag-based environment-friendly building material, comprising the following steps:
[0035] (1) Use crushing equipment to crush the dried waste cement concrete to obtain waste cement concrete sand with a particle size of 0.01-5.00mm; use grinding equipment to grind the waste concrete sand for 30 minutes to obtain a specific surface area of 700m 2 / kg of waste concrete powder;
[0036] (2) Set the specific surface area to 660m 2 / kg of phosphorus slag powder, the specific surface area is 700m 2 / kg of construction waste powder, the specific surface area is 450m 2 / kg of solid waste fly ash produced by coal power plants, the specific surface area is 20000m 2 / kg microsilica fume, quicklime, river sand, tap water, high-efficiency polycarboxylate water reducer with a water reducing rate of 25%, according to the mass ratio: phosphorus slag powder: construction waste slag powder: silicon aluminum sphere material: nano silicon Quality p...
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