Aerated concrete block and preparation method thereof
A technology of aerated concrete and blocks, which is applied in the manufacture of tools, ceramic products, and other household appliances, etc. It can solve the problems of poor sound insulation effect and heavy block weight, and achieve good thermal insulation performance, increase masonry speed, and good thermal insulation The effect of thermal insulation performance
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Embodiment 1
[0025] In the first embodiment, the basic composition of the aerated concrete block of the embodiment is as follows:
[0026] It is made of 250kg cement, 350kg lime, 1400kg silica sand, 1.45kg aluminum powder, 0.195kg foam stabilizer and water. The foam stabilizer is rosin or bone glue.
[0027] The preparation method of the aerated concrete block according to the above formula includes the following steps in sequence:
[0028] a. Preparation of raw materials: first mix cement and lime uniformly, then mix silica sand with water and mix for 1 hour to form a slurry, and control the slurry temperature within the range of 43℃, then add aluminum powder and foam stabilizer to Stir in the slurry for 0.5 minutes, then mix the slurry with well-stirred cement and lime to form a slurry. Control the slurry to stir evenly at a temperature of 43°C until the fluidity of the slurry is controlled at 25-28cm ;
[0029] b. Pour the slurry with a fluidity of 25-28cm into the mold body. Before the slurr...
Embodiment 2
[0033] In the second embodiment, the basic composition of the aerated concrete block of the embodiment is as follows:
[0034] It is made of 300kg cement, 380kg lime, 1500kg silica sand, 150kg aluminum powder, 0.2kg foam stabilizer and water. The foam stabilizer is rosin or bone glue.
[0035] The preparation method of the aerated concrete block according to the above formula includes the following steps in sequence:
[0036] a. Preparation of raw materials: first mix cement and lime uniformly, then mix silica sand and water for 1 hour to form a slurry, and control the slurry temperature within the range of 44℃, then add aluminum powder and foam stabilizer to Stir in the slurry for 0.6 minutes, then mix the slurry with well-stirred cement and lime together to form a slurry. Control the slurry to stir evenly at a temperature of 44°C until the fluidity of the slurry is controlled at 25-28cm ;
[0037] b. Pour the slurry with a fluidity of 25-28cm into the mold body. Before the slurry ...
Embodiment 3
[0041] In the third embodiment, the basic composition of the aerated concrete block of the embodiment is as follows:
[0042] It is made of 320kg cement, 400kg lime, 1600kg silica sand, 1.6kg aluminum powder, 0.205kg foam stabilizer and water. The foam stabilizer is rosin or bone glue.
[0043] The preparation method of the aerated concrete block according to the above formula includes the following steps in sequence:
[0044] a. Preparation of raw materials: first mix cement and lime uniformly, then mix silica sand with water and mix for 1 hour to form a slurry, and control the slurry temperature in the range of 46℃, then add aluminum powder and foam stabilizer to Stir in the slurry for 0.7 minutes, then mix the slurry with the well-stirred cement and lime to form a slurry. Control the slurry to stir evenly at 46°C until the fluidity of the slurry is controlled at 25-28cm ;
[0045] b. Pour the slurry with a fluidity of 25-28cm into the mold body. Before the slurry is poured on the...
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