Electric fused corundum furnace for corundum smelting

Electric fused corundum furnace for corundum smelting

Industrial use:
   Corundum is widely used in metallurgy, machinery, chemical, electronics, aviation and defense and other industrial fields.
   1. The use of corundum high temperature resistance, corrosion resistance, high strength and other properties, used as a sliding gate for pouring steel, smelting rare metals, special alloys, high purity metals, glass wire drawing, making laser glass and vessels; Manufacture of various high-temperature furnaces, such as refractory materials, ceramics, linings (walls and pipes) of ironmaking blast furnaces; For physical and chemical utensils, spark plugs, heat resistant and oxidation resistant coating; In addition, low silicon sintered corundum bricks with SiO2 < 0.5% are special linings for carbon black, boron chemical industry, fertilizer, synthetic ammonia reactors and vaporizers.
   2. The use of its high hardness, good wear resistance, high strength characteristics, in the chemical system, used as a variety of reaction vessels and pipelines, chemical pump components; For mechanical parts, various molds, such as wire drawing die, extrusion pencil core die mouth, etc.; For cutting tools, abrasives, bulletproof materials, human joints, sealing grinding rings, etc.; For advanced grinding materials, made of grinding wheel, grinding disc, sandpaper and grinding powder, can also be used as instrument bearings; The abraded tools are suitable for grinding all kinds of metals with higher hardness and tensile strength, such as carbon steel, alloy steel, calcined cast iron, hard bronze, etc. Corundum powder can be used as high-grade polishing powder, or laser and infrared ray window material.
   3. Corundum is an ionic crystal with a stable structure. Used at high frequency, high pressure and high temperature, its insulation is still good, coupled with little loss, dielectric constant is not large, in the electronics industry is widely used in solid synthetic circuit plate tube base, shell, porcelain frame, glass window, missile radar antenna protective cover and so on. 
   4. Corundum products have good air tightness, even at high temperature is tight and airtight, so it is widely used in electric vacuum, such as the use of corundum to make a variety of large vacuum tube shells, solid microcircuits in the dual in-line package shell. 
   5. As corundum insulation materials, such as corundum light brick, corundum hollow ball and fiber products, widely used in various high temperature furnace wall and furnace top, both high temperature resistance and heat preservation. 
   6. Transparent corundum products can be made of lamp tubes and microwave fairing.