Method for smelting green silicon carbide abrasive material
A green silicon carbide and abrasive technology, applied in the field of silicon carbide smelting, achieves the effects of saving electric energy, low production cost, and avoiding heat loss
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Embodiment 1
[0022] Such as figure 1 Shown is a common silicon carbide smelting furnace, the mixing method of carbonaceous material and silicon dioxide material is the same as the conventional technology, and the other embodiments are the same.
[0023] Mix and crush anthracite coal with different ash content of 2.5%-% into pulverized coal mixtures of different particle sizes not greater than 3mm for later use, and take quartz sand mixtures of different particle sizes between 1-6mm for later use, according to the ratio of silicon to carbon 1.4-1.7 in different proportions, mix the above-mentioned prepared coal powder and quartz sand together as the reaction material, add ammonium chloride according to 0.1% of the weight of the reaction material, and add 1% of the weight of the reaction material with a particle size of 1-20 microns The green silicon carbide fine crystal mixture of any particle size, the green silicon carbide fine crystal when the furnace is first opened can be purchased dir...
Embodiment 2
[0025] Such as figure 1 As shown, the anthracite with different ash content of 3%-4% is mixed and crushed into a coal powder mixture with a particle size of not more than 3mm for later use, and a quartz sand mixture with a particle size of 1-6mm is used for later use. Mix the above-mentioned prepared coal powder and quartz sand together in different ratios between 1.4 and 1.7 as the reaction material, add ammonium sulfate according to 1% of the weight of the reaction material, and add 2% of the weight of the reaction material. The mixture of green silicon carbide fine crystals with arbitrary particle size of 15-50 microns, the green silicon carbide fine crystals when the furnace is first opened can be purchased directly. The raw materials are mixed evenly and installed around the furnace core 1 to form a reaction zone 2 . Insulation material 3 is loaded outside the reaction zone 2 . The installed smelting furnace is powered for smelting. After the smelting is completed, it i...
Embodiment 3
[0027] Such as figure 1 As shown, the anthracite with different ash content of 3.5%-5.5% is mixed and crushed into pulverized coal mixtures with different particle sizes not greater than 3mm for later use, and the quartz sand mixture with different particle sizes between 1-6mm is used for later use. Mix the above-mentioned prepared coal powder and quartz sand together in different ratios between 1.4-1.7 as the reaction material, add ammonium nitrate according to 2% of the weight of the reaction material, and add 4% of the weight of the reaction material. 45-80 micron green silicon carbide fine crystal mixture with any particle size, the green silicon carbide fine crystal when the furnace is first opened can be purchased directly. The raw materials are mixed evenly and installed around the furnace core 1 to form a reaction zone 2 . Insulation material 3 is loaded outside the reaction zone 2 . The installed smelting furnace is powered for smelting. After the smelting is comple...
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Abstract
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