Phosphogypsum-based stone-like structure building material and preparation method thereof
A building material, phosphogypsum technology, applied in the field of phosphogypsum-based imitation stone structure building materials and its preparation, can solve problems such as technical solutions for imitation stone structures, and achieve sustainable development, high flexural strength, and anti-corrosion The effect of high compressive strength
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Embodiment 1
[0041] Formula: phosphogypsum 30kg, electrolytic yellow phosphorus slag 15kg, quicklime 2kg, quartz sand 100kg, colored sand 15kg, acrylic emulsion 20kg, water 25kg, anti-sedimentation agent 1.5kg, water-soluble polyurethane 5kg, film-forming aid 1kg, ammonia water 0.5kg .
[0042] Preparation:
[0043] (1) Ingredients: take phosphogypsum and unslaked lime according to the mass ratio of 15:1 and neutralize them for 1 minute, put them in the mixer and stir for 40 seconds, then turn on the mixer, add electrolytic yellow phosphorus slag and continue to stir for 50 seconds to obtain the mixed material, then After the mixed material is dried to free water ≤ 1%, put it into a ball mill and grind it for 60 minutes until the specific surface area is 265m 2 / kg;
[0044] (2) Aging: aging the mixed material after ball milling in step (1) after calcining at a temperature of 130° C. for 2 hours, and the aging time is 16 hours;
[0045] (3) Forming: put the aged material into the vibrat...
Embodiment 2
[0052] Formula: 80kg of phosphogypsum, 60kg of electrolytic yellow phosphorus slag, and 10kg of quicklime.
[0053] Preparation:
[0054] (1) Ingredients: take phosphogypsum and unslaked lime according to the mass ratio of 15:1 and neutralize them for 1 minute, put them in the mixer and stir for 40 seconds, then turn on the mixer, add electrolytic yellow phosphorus slag and continue to stir for 50 seconds to obtain the mixed material, then After the mixed material is dried to free water ≤ 1%, put it into a ball mill and grind it for 60 minutes until the specific surface area is 265m 2 / kg;
[0055] (2) Aging: aging the mixed material after ball milling in step (1) after calcining at a temperature of 150° C. for 2 hours, and the aging time is 18 hours;
[0056] (3) Forming: put the aged material into the vibration forming machine, and vibrate and form according to the required shape;
[0057] (4) Autoclaving curing: autoclaving the vibration-molded material with a heating ra...
Embodiment 3
[0063] Formula: 45kg of phosphogypsum, 25kg of electrolytic yellow phosphorus slag, 3kg of quicklime, 100kg of quartz sand, 15kg of colored sand, 20kg of acrylic emulsion, 25kg of water, 1.5kg of anti-sedimentation agent, 5kg of water-soluble polyurethane, 1kg of film-forming aid, and 0.5kg of ammonia water .
[0064] Preparation:
[0065] (1) Ingredients: take phosphogypsum and unslaked lime according to the mass ratio of 15:1 and neutralize them for 1 minute, put them in the mixer and stir for 40 seconds, then turn on the mixer, add electrolytic yellow phosphorus slag and continue to stir for 50 seconds to obtain the mixed material, then After the mixed material is dried to free water ≤ 1%, put it into a ball mill and grind it for 60 minutes until the specific surface area is 265m 2 / kg;
[0066] (2) Aging: aging the mixed material after ball milling in step (1) after calcining at a temperature of 170° C. for 2 hours, and the aging time is 22 hours;
[0067] (3) Forming: ...
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