Preparation method for aerated concrete block
A technology for aerated concrete and waste concrete, applied in the field of building materials, can solve the problems of easy aging and burning of aerated concrete blocks, and achieve the effects of light weight, improved crack resistance, and good thermal insulation performance.
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example 1
[0022] Mix graphene oxide and ammonia water with pH=11 at a mass ratio of 1:50, stir for 20 minutes to obtain a mixed solution, ultrasonically disperse at a power of 200W for 50 minutes to obtain a dispersion, centrifuge at a speed of 1000r / min for 5 minutes, and filter to obtain The filtrate is the graphene oxide dispersion; in parts by weight, weigh 20 parts of ceramic waste, 18 parts of waste concrete, 22 parts of refractory cement, 5 parts of graphene oxide dispersion, 0.3 parts of foaming material, 0.1 part of Foam stabilizer, 0.1 part of air-entraining agent, 0.3 part of polypropylene fiber, 10 parts of deionized water, ceramic waste and waste concrete are crushed and ground respectively, and passed through a 200-mesh sieve to obtain ceramic waste fine powder and waste concrete fine powder , mix ceramic waste fine powder, waste concrete fine powder and refractory cement evenly, and place in an oven at a temperature of 50°C to dry to constant weight to obtain a mixed powde...
example 2
[0024] Mix graphene oxide and ammonia water with pH=11 at a mass ratio of 1:50, stir for 25 minutes to obtain a mixed solution, ultrasonically disperse at a power of 250W for 55 minutes to obtain a dispersion, centrifuge at a speed of 2000r / min for 8 minutes, and filter to obtain The filtrate is the graphene oxide dispersion; by weight, 28 parts of ceramic waste, 24 parts of waste concrete, 29 parts of refractory cement, 7 parts of graphene oxide dispersion, 0.5 part of foaming material, 0.2 part of Foam stabilizer, 0.1 part of air-entraining agent, 0.5 part of polypropylene fiber, 14 parts of deionized water, ceramic waste and waste concrete are crushed and ground respectively, and passed through a 200-mesh sieve to obtain ceramic waste fine powder and waste concrete fine powder , mix ceramic waste fine powder, waste concrete fine powder and refractory cement evenly, and place in an oven at a temperature of 55°C to dry to constant weight to obtain a mixed powder, and add deion...
example 3
[0026]Mix graphene oxide and ammonia water with pH=11 at a mass ratio of 1:50, stir for 30 minutes to obtain a mixed solution, ultrasonically disperse at a power of 300 W for 60 minutes to obtain a dispersion, centrifuge at a speed of 3000 r / min for 10 minutes, and filter to obtain The filtrate is the graphene oxide dispersion; in parts by weight, 36 parts of ceramic waste, 30 parts of waste concrete, 35 parts of refractory cement, 9 parts of graphene oxide dispersion, 0.7 part of foaming material, 0.3 part of Foam stabilizer, 0.2 part of air-entraining agent, 0.7 part of polypropylene fiber, 18 parts of deionized water, ceramic waste and waste concrete are crushed and ground respectively, and passed through a 200-mesh sieve to obtain ceramic waste fine powder and waste concrete fine powder , mix ceramic waste fine powder, waste concrete fine powder and refractory cement evenly, and place in an oven at 60°C to dry to constant weight to obtain a mixed powder, and add deionized w...
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