Preparation method of fly ash aerated brick
A technology of aerated bricks and fly ash, which is applied in the field of preparation of fly ash aerated bricks, can solve problems such as environmental secondary pollution and waste of resources, and achieve reduction of heat of hydration, saving of cement, good environmental protection and economic benefits Effect
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Embodiment 1
[0026] The preparation method of fly ash aerated brick, it comprises the steps:
[0027] Step 1) Take 30-50 parts of fly ash, 20-30 parts of dried sludge and 10-20 parts of clay in parts by weight, mix them, and then add them to a ball mill and grind them until the powder has a particle size of 100 mesh;
[0028] Step 2) Add water accounting for 30% by weight of the powder to the powder obtained in step 1) as a granulating agent, and granulate through a drum granulator to make the particle size reach 2-3mm, and dry after sieving to control its moisture content Below 5%, put the granulated blank into clay, continue to roll and granulate, wrap the blank in the middle, and cover the outer layer with a layer of 0.5-1mm thick clay layer to make ceramsite raw meal;
[0029] Step 3) Put the ceramsite raw meal into the drying equipment and keep it warm at 110°C for 48 hours to remove the natural water, directly put the ceramsite raw meal into the gas-fired rotary kiln for 2 hours at 1...
Embodiment 2
[0034] The preparation method of fly ash aerated brick, it comprises the steps:
[0035] Step 1) Take 30-50 parts of fly ash, 20-30 parts of dried sludge and 10-20 parts of clay in parts by weight, mix them, and then add them to a ball mill and grind them until the powder has a particle size of 100 mesh;
[0036] Step 2) Add water accounting for 30% by weight of the powder to the powder obtained in step 1) as a granulating agent, and granulate through a drum granulator to make the particle size reach 2-3mm, and dry after sieving to control its moisture content Below 5%, put the granulated blank into clay, continue to roll and granulate, wrap the blank in the middle, and cover the outer layer with a layer of 0.5-1mm thick clay layer to make ceramsite raw meal;
[0037] Step 3) Put the ceramsite raw meal into the drying equipment and keep it warm at 110°C for 48 hours to remove the natural water, directly put the ceramsite raw meal into the gas-fired rotary kiln for 2 hours at 1...
Embodiment 3
[0042] The preparation method of fly ash aerated brick, it comprises the steps:
[0043] Step 1) Take 30-50 parts of fly ash, 20-30 parts of dried sludge and 10-20 parts of clay in parts by weight, mix them, and then add them to a ball mill and grind them until the powder has a particle size of 100 mesh;
[0044] Step 2) Add water accounting for 30% by weight of the powder to the powder obtained in step 1) as a granulating agent, and granulate through a drum granulator to make the particle size reach 2-3mm, and dry after sieving to control its moisture content Below 5%, put the granulated blank into clay, continue to roll and granulate, wrap the blank in the middle, and cover the outer layer with a layer of 0.5-1mm thick clay layer to make ceramsite raw meal;
[0045] Step 3) Put the ceramsite raw meal into the drying equipment and keep it warm at 110°C for 48 hours to remove the natural water, directly put the ceramsite raw meal into the gas-fired rotary kiln for 2 hours at 1...
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Abstract
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