A kind of light unfired block and preparation method thereof
A block and lightweight technology, which is applied in the fields of light unburned block and its preparation, metakaolin-gypsum-based light unfired block and its preparation, and achieves the effects of low cost, certain earthquake resistance and convenient construction
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Embodiment 1
[0019] The metakaolin-industrial by-product gypsum-based lightweight non-burning block of the present embodiment and its preparation method are as follows:
[0020] (1) Raw material configuration: The main raw materials are prepared according to the following weight percentages.
[0021] Metakaolin 25%, phosphogypsum 8%, expanded perlite 64%, basalt fiber 3%.
[0022] (2) Molding and curing: Add the raw materials configured in step (1) into the mixer, add the water glass solution with a modulus of 1.2 and a solid content of 30% as the activator according to the water-cement ratio of 1:0.7, and stir and mix evenly Then pour the slurry into the formwork. Then send it to a constant temperature and humidity oven with a humidity of 90% and a temperature of 70°C for 3 hours of curing.
[0023] (3) Demolding and secondary curing: After the curing time reaches 3 hours, the block in step (2) is removed from the mold to obtain a formed metakaolin-industrial by-product gypsum-based lig...
Embodiment 2
[0026] The metakaolin-industrial by-product gypsum-based lightweight non-burning block of the present embodiment and its preparation method are as follows:
[0027] (1) Raw material configuration: The main raw materials are prepared according to the following weight percentages.
[0028] 20% metakaolin, 5% phosphogypsum, 70% ceramsite, 5% alkali-resistant glass fiber.
[0029] (2) Molding and curing: Add the raw materials configured in step (1) into the mixer, add the water glass solution with a modulus of 1.5 and a solid content of 25% as the activator according to the water-cement ratio of 1:0.7, and stir and mix evenly Then pour the slurry into the formwork. Then send it to a constant temperature and humidity oven with a humidity of 90% and a temperature of 60°C for 2 hours of curing.
[0030] (3) Demolding and secondary curing: After the curing time reaches 2 hours, the block in step (2) is removed from the mold to obtain a shaped metakaolin-industrial by-product gypsum-...
Embodiment 3
[0033] The metakaolin-industrial by-product gypsum-based lightweight non-burning block of the present embodiment and its preparation method are as follows:
[0034] (1) Raw material configuration: The main raw materials are prepared according to the following weight percentages.
[0035] 30% metakaolin, 10% phosphogypsum, 60% ceramsite.
[0036] (2) Molding and curing: Add the raw materials configured in step (1) into the mixer, add the water glass solution with a modulus of 1.5 and a solid content of 20% as the activator according to the water-cement ratio of 1:0.7, and stir and mix After uniformity, pour the slurry into the formwork. Then send it to a constant temperature and humidity oven with a humidity of 90% and a temperature of 60°C for 4 hours of curing.
[0037] (3) Demolding and secondary curing: After the curing time reaches 4 hours, the block in step (2) is removed from the mold to obtain a formed metakaolin-industrial by-product gypsum-based light-weight non-bur...
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