Foamed thermal insulation material fired by coal water slurry gasification waste residue and preparation method thereof
A technology for thermal insulation material and coal-water slurry, which is used in the preparation of external wall thermal insulation materials and in the field of construction, can solve the problems of unresearched coal-water slurry gasification waste residue characteristics, low development and utilization efficiency, etc., and achieves good thermal insulation performance, low cost, and strength. high effect
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Embodiment 1
[0023] The mixture is calculated by mass percentage: coal water slurry gasification waste residue 40%, high temperature phase change material (glass powder) 60%, the mixture is evenly laid in the firing mold through the distribution machine, and the firing mold of the mixture is loaded Send it into the firing kiln, heat slowly to 750°C at a constant heating rate within 60 minutes, last for 20 minutes, then heat at a constant heating rate within 30 minutes to 1000°C for 30 minutes, and get it after natural cooling Foam insulation board. The actual dry density weight of the board is 300Kg / m 3 , The thermal conductivity is 0.08W / (m·K).
Embodiment 2
[0025] The mixture is calculated by weight percentage: coal water slurry gasification waste residue 85%, high temperature phase change material (glass powder) 15%, the mixture is evenly laid in the firing mold through the distribution machine, and the firing mold of the mixture is loaded Send it into the firing kiln, heat slowly to 700°C at a constant heating rate within 50 minutes, keep the constant temperature for 30 minutes, then heat to 900°C at a constant heating rate within 10 minutes, keep the constant temperature for 60 minutes, after natural cooling That is, the foamed insulation board is obtained. The actual dry density weight of the board is 150Kg / m 3 , The thermal conductivity is 0.04W / (m·K).
Embodiment 3
[0027] The mixture is calculated by weight percentage: coal water slurry gasification waste residue 70%, high temperature phase change material (glass powder) 30%, the mixture is evenly laid in the firing mold through the distribution machine, and the firing mold of the mixture is loaded Send it into the firing kiln, heat slowly to 800°C at a constant heating rate within 30 minutes, keep the constant temperature for 15 minutes, then heat to 960°C at a constant heating rate within 20 minutes, keep the constant temperature for 30 minutes, after natural cooling That is, the foamed insulation board is obtained. The actual dry density weight of the board is 200Kg / m 3 , The thermal conductivity is 0.06W / (m·K).
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