Method for preparing lightweight wall thermal insulation material from phosphogypsum slag
A light-weight wall and thermal insulation material technology, applied in ceramic products, applications, household appliances, etc., can solve the problems of unfavorable large-scale resource utilization of phosphogypsum, complex process, and high requirements for process parameter control, and achieve high value The effect of efficient utilization, simple process, and environmental protection
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Embodiment 1
[0029] Embodiment 1, a kind of phosphogypsum slag prepares the method for lightweight wall insulation material, it comprises the following steps:
[0030] Step 1. Expose phosphogypsum, hot stuffy steel slag, and fly ash in the sun for 6 hours, and then dry them in a drying oven at 105°C for 12 hours;
[0031] Step 2, crushing and screening phosphogypsum, hot stuffy steel slag, and fly ash, and the particle size is 80 mesh;
[0032] Step 3. Weigh 400g of crushed and screened phosphogypsum, 120g of hot stuffy steel slag, and 130g of fly ash, and dry mix them in a mixer for 5-10min;
[0033] Step 4. Weigh 30g of quicklime, add 100ml of deionized water, carry out digestion reaction, add to the dry mixed mixed material, stir evenly, and then age for 2h;
[0034] Step 5. Weigh 2g of cement foaming agent, dilute to 2g / L, stir for 30min, and foam;
[0035] Step 6. Weigh 120g of cement, add the foam into the cement, inject the foamed cement into the aged mixture, and stir in a small ...
Embodiment 2
[0040] Embodiment 2, a kind of phosphogypsum slag prepares the method for lightweight wall insulation material, it comprises the following steps:
[0041] Step 1. Expose phosphogypsum, hot stuffy steel slag, and fly ash in the sun for 8 hours, and then dry them in a drying oven at 105°C for 12 hours;
[0042] Step 2, crushing and screening phosphogypsum, hot stuffy steel slag, and fly ash, and the particle size is 90 mesh;
[0043] Step 3. Weigh 450g of crushed and screened phosphogypsum, 130g of hot stuffy steel slag, and 120g of fly ash, and dry mix them in a mixer for 5-10 minutes;
[0044] Step 4. Weigh 35g of quicklime, add 100ml of deionized water, carry out digestion reaction, add to the dry mixed mixed material, stir evenly, and then age for 2h;
[0045] Step 5, take 3g cement foaming agent, after diluting to 3g / L, stir for 30min, foam;
[0046] Step 6. Weigh 120g of cement, add the foam into the cement, inject the foamed cement into the aged mixture, and stir in a s...
Embodiment 3
[0051] Embodiment 3, a method for preparing lightweight wall insulation material from phosphogypsum slag, comprising the following steps:
[0052] Step 1. Put phosphogypsum, hot stuffy steel slag, and fly ash in the sun for 10 hours, and then put them in a drying oven at 105°C for 12 hours;
[0053] Step 2, crushing and screening phosphogypsum, hot stuffy steel slag, and fly ash, and the particle size is 100 mesh;
[0054] Step 3. Weigh 400g of crushed and screened phosphogypsum, 120g of hot stuffy steel slag, and 120g of fly ash, and dry mix them in a mixer for 5-10 minutes;
[0055] Step 4. Weigh 40g of quicklime, add 100ml of deionized water, carry out digestion reaction, add to the dry-mixed mixed material, stir evenly, and then age for 2h;
[0056] Step 5, take 4g of cement foaming agent, after diluting to 4g / L, stir for 30min, and foam;
[0057] Step 6. Weigh 120g of cement, add the foam into the cement, inject the foamed cement into the aged mixture, and stir in a small...
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