Manufacturing method of novel high-strength light-weight ceramic thermal-insulation wall material
A light-weight ceramic and thermal insulation wall technology, which is applied in the field of building material manufacturing and application, can solve the problems of restricting the application field and promotion effect of new wall materials, high product bulk density and high thermal conductivity, and achieve small bulk density and low thermal conductivity , the effect of high compressive strength
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Embodiment 1
[0014] Weigh 4.25kg of polishing waste residue, 0.4kg of silicon powder, 0.25kg of lightly burned magnesium powder, 0.05kg of industrial heavy calcium, 0.025kg of sodium humate, and 0.025kg of sodium metasilicate. Put the above materials into a ball mill tank and add 2.6kg of water. Ball milling for 4 hours, control the volume ratio of the medium ball to the material to be ground to 1:2.5, then take out the slurry and pass it through an 80-mesh sieve, then spray and granulate the slurry, and put the granulated material into the combined cordierite mullite In the stone mold, the mold and the materials to be fired are placed in the kiln, and fired at a high temperature of about 1150°C to obtain a new type of high-strength and lightweight ceramic insulation wall material.
[0015] The new high-strength light-weight ceramic insulation wall material has a bulk density of 450kg / m 3 , the thermal conductivity is 0.14w / (m·k), and the compressive strength is 7.5MPa.
Embodiment 2
[0017] Weigh 4.35kg of polishing waste residue, 0.25kg of silicon powder, 0.25kg of lightly burned magnesium powder, 0.075kg of dolomite powder, 0.025kg of industrial heavy calcium, 0.025kg of sodium humate, and 0.025kg of sodium metasilicate, and put the above materials into a ball mill tank Then add 2.8kg of water, ball mill for 4 hours, control the volume ratio of the medium ball and the material to be ground to 1:2.5, then take out the slurry and pass it through an 80-mesh sieve, then spray the slurry and put the granulated material into the combination In the cordierite mullite material mold, the mold and the materials to be fired are placed in the kiln, and fired at a high temperature of 1180°C to obtain a new type of high-strength and lightweight ceramic insulation wall material.
[0018] The new high-strength light-weight ceramic insulation wall material has a bulk density of 400kg / m 3 , the thermal conductivity is 0.13w / (m·k), and the compressive strength is 6.3MPa. ...
Embodiment 3
[0020] Weigh 4.5kg of polishing waste residue, 0.25kg of silicon powder, 0.15kg of dolomite powder, 0.05kg of industrial heavy calcium, 0.025kg of sodium humate, and 0.025kg of sodium metasilicate, put the above materials into a ball mill tank, add 3kg of water, and mill for 4 hours , control the volume ratio of the medium ball to the material to be ground to 1:2.5, then take out the slurry and pass through an 80-mesh sieve, then spray and granulate the slurry, and put the granulated material into the combined cordierite-mullite mold In the process, the mold and the materials to be fired are placed in the kiln, and fired at a high temperature of about 1200 ° C to obtain a new type of high-strength and lightweight ceramic insulation wall material.
[0021] The new high-strength light-weight ceramic insulation wall material has a bulk density of 350kg / m 3 , the thermal conductivity is 0.125w / (m·k), and the compressive strength is 5.4MPa.
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