Aluminum melting furnace cast refractory material and preparation method thereof
A technology of refractory material and aluminum melting furnace, applied in the field of aluminum smelting, can solve the problems of poor thermal shock resistance, easy to be washed, corroded, reduce product quality, etc., achieve good thermal shock stability, enhance bonding force, prolong The effect of service life
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[0011] A castable refractory material for aluminum melting furnace, made of the following parts by weight (kg) of raw materials: bauxite 50, 1-50μm brown corundum 30, siliceous floating beads 20, alumina 15, white mud 20, quartz sand 25 , Mullite 10, 30-80μm silicon carbide 10, sodium tripolyphosphate 10, andalusite 20, zirconia 2, titanium oxide 2, potash feldspar 20, vermiculite 15.
[0012] The preparation method of cast refractory in aluminum melting furnace includes the following steps:
[0013] (1) Heat bauxite, andalusite, potash feldspar, and vermiculite to a high temperature of 2000-2500℃ to melt, stir for 30-40 minutes, rush into cold water to chill, and then crush into fine powder of 1-30μm ;
[0014] (2) Heat the quartz sand, mullite, alumina, and white mud to a high temperature of 1800-2000℃ to melt, stir for 30-40 minutes, pour into cold water to chill, and then crush into fine powder of 80-120μm;
[0015] (3). After mixing the fine powder obtained in steps (1) and (2) ...
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