Due to the excellent high temperature performances of silicon carbide refractory, they are widely used in steel industry, nonferrous metals industry, petrol industry, power plant, chemical industry and so on.
The Advantages of Silicon Carbide Refractory
High mechanical strength.
Good thermal conductivity.
Excellent thermal shock resistance and abrasion resistance.
Good slag corrosion resistance and alkali corrosion resistance.
Excellent oxidization resistance.
Good erosion resistance to some molten metals.
SiC refractories applications
Silicon Carbide Refractory Used In Steel Industry
Si3N4 and Sialon bonded SiC & corundum SiC composite refractories are mainly used in steel industry. For example, the lower part of blast furnace bosh, belly, tuyere combination bricks, tuyere sleeve, iron runner, cupola inner lining, coke oven head, heating furnace sliding rail, converter and electric furnace tapping hole.
Silicon Carbide Refractory Used In Nonferrous Metals Industry
Oxide bonded SiC, Si3N4, Sialon, Si2N2O bonded SiC refractories are widely used in nonferrous metals ( aluminum, zinc and copper, etc) smelting. Aluminum electrolysis cell inner lining, aluminum refinery furnace lining, zinc retort vessel lining, zinc fine distillation tower tray, ISP furnace condenser and rotor, fine copper smelting stand furnace, ASARCO furnace bosh lower part working lining and holding furnace inner lining, molten metals tube, metal smelting crucible, iron powder reduction smelting sagger, aluminum and zinc liquid temperature testing thermocouple protection tube, aluminum casting ceramic raiser tube and so on.
In Ceramics Industry
Oxide bonded SiC, Si3N4 and Si2N2O bonded SiC refractoryies can be used as muffle board and kiln furniture of ceramics kilns, high temperature burning nozzle, glass annealing furnace lining, ceramic sintering furnace lining, muffle furnace inner lining, rotary cement kiln clinker cooler, radiation heating tube, cyclone separator inner lining, etc.
Silicon Carbide Refractory Used In Metallurgy
The protective coating tube of radioactive pyrometer, thermocouple pyrometer and pyrophotometer. The blades of ore selecting stirrer. Sand pump inner lining and swirler nozzle.
Silicon Carbide Refractory Used In Chemistry
Fertilizer nitriding furnace inner lining, petrol vaporizer, desulfurization furnace and organic scrap incinerator inner lining, heat exchanger and so on.
Silicon Carbide Refractory Used In Chemical Fiber Industry
Sand furnace inner lining.
Silicon Carbide Refractory Used Petroleum Industry
Spray nozzle, encapsulation element, valve plates and so on.
