Microcrystalline foamed wall block prepared by using polishing powder and preparation method thereof
A technology of microcrystalline foaming and polishing powder, used in applications, household appliances, clay products, etc., can solve the problems of poor thermal insulation performance, inability to withstand high temperature for a long time, hidden dangers, etc., achieve excellent fire resistance and flame retardant performance, improve regeneration The effect of utilization rate and production cost reduction
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Embodiment 1
[0041] The method for preparing a microcrystalline foamed wall block by using polishing powder comprises the following steps:
[0042](1) In terms of weight percentage, take 72% of polishing powder, 5% of borax, 2% of sodium nitrate, 3% of soda ash, 3% of barium carbonate, 10% of calcite and 5% of talc and mix them thoroughly, then put them into the pool furnace , heat preservation and smelting at 1490°C for 1 hour to obtain a microcrystalline frit, and then crush the obtained microcrystalline frit into a powder with a particle size of 200 mesh.
[0043] (2) According to the parts by weight, take 75 parts of microcrystalline frit powder, 9 parts of kaolin, 11 parts of albite, 5 parts of dolomite powder, 5 parts of barium carbonate, and 0.5 parts of SiC for mixing to obtain a mixture .
[0044] (3) Set up a mold on the roller shaft of the roller kiln, and then arrange the mixture in the mold and scrape it flat. Control the temperature in the kiln to rise to 1145°C for 70 minut...
Embodiment 2
[0047] The method for preparing a microcrystalline foamed wall block by using polishing powder comprises the following steps:
[0048] (1) In terms of weight percentage, take 67% of polishing powder, 6% of albite feldspar, 4% of borax, 2% of sodium nitrate, 3% of soda ash, 3% of barium carbonate, 10% of calcite and 5% of talc for full mixing, Afterwards, put it into a pool furnace, heat-preserve and smelt at 1520°C for 1.2 hours to obtain a microcrystalline frit, and then crush the obtained microcrystalline frit into a powder with a particle size of 220 mesh.
[0049] (2) According to parts by weight, take 80 parts of microcrystalline frit powder, 10 parts of glass powder, 7 parts of calcite, 3 parts of dolomite powder, and 0.7 parts of SiC and mix them to obtain a mixture.
[0050] (3) Set up the mold on the roller shaft of the roller kiln, after that, arrange the mixture in the mould, and carry out scraping, control the temperature in the kiln to rise to 1150 ° C, heat prese...
Embodiment 3
[0053] The method for preparing a microcrystalline foamed wall block by using polishing powder comprises the following steps:
[0054] (1) In terms of weight percentage, take 68% of polishing powder, 12% of albite feldspar, 6% of alumina, 3% of borax, 2% of sodium nitrate, 3% of soda ash, 3% of barium carbonate and 3% of talc for thorough mixing , after that, put it into a pool furnace, heat-preserve and smelt at 1480°C for 0.9h to obtain a microcrystalline frit, and then crush the obtained microcrystalline frit into a powder with a particle size of 250 mesh.
[0055] (2) According to the parts by weight, take 85 parts of microcrystalline frit powder, 8 parts of kaolin, 5 parts of dolomite, 2 parts of barium carbonate, and 0.5 parts of SiC and mix them to prepare a mixture.
[0056] (3) Set up a mold on the roller shaft of the roller kiln, and then arrange the mixture in the mold and scrape it flat. Control the temperature in the kiln to rise to 1140 ° C for 90 minutes of heat...
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