resistance electric arc furnace
Application of isolation protection layer for resistance electric arc furnace
The application of insulation and protective layer of resistance electric arc furnace The resistance electric arc furnace is the key power element of the electric arc furnace.
It is used to conduct electric current and provide energy for furnace charge and molten steel refining. When controlling the total cost of electric furnace steel, the cost of resistance electric arc furnace is one of the main considerations. The loss of resistance electric arc furnace can be divided into continuous loss and discontinuous loss. Continuous loss mainly refers to the loss caused by oxidation, sublimation, corrosion, etc., while the loss caused by damage, fracture and thermal shock peeling is a discontinuous loss. According to the analysis of Zhisheng Weihua high temperature coating experts, the loss mechanism analysis of resistance electric arc furnace shows that oxidation is one of the main reasons for the loss of resistance electric arc furnace, accounting for more than half of the consumption of resistance electric arc furnace. Therefore, taking effective measures to prevent oxidation of the resistance electric arc furnace can greatly reduce the consumption of the resistance electric arc furnace and the cost of steelmaking. According to the oxidation theory of carbon data, the oxidation reaction of resistance electric arc furnace is divided into three different temperature regions.
The first and second reaction temperature ranges from about 500 to 1000°C, which are called low-temperature oxidation zones. The loss of resistance electric arc furnace is less than 2% of the total consumption. The third reaction temperature range is above 1000°C, which is called high temperature oxidation zone. The high temperature oxidation loss is 20-50 times the low temperature oxidation loss.
Therefore, in order to avoid the oxidation loss of the resistance electric arc furnace, the high temperature oxidation zone should be studied. ZS-1021 graphite high temperature anti-oxidation coating is a kind of professional energy-saving coating developed by Beijing Zhisheng Weihua Chemical Co., Ltd. on the basis of graphite oxidation loss theory. ZS-1021 graphite high temperature anti-oxidation coating has high temperature resistance. Adopt Beijing Zhisheng Wafer special high temperature solution, temperature resistance can reach 1800℃, long-term open flame and barbecue fire prevention.
The material adopts nano-ceramic fish scale structure. At high temperatures, the network glass is melted and sintered in a phase state with good compactness. The decarburization layer is oxidized on the data surface, avoiding the contact of gas and data, the hardness can reach 7-8h, and it has good impact and wear resistance. ZS-1021 high temperature resistant sealing coating is acid and alkali resistant. It does not produce volatile substances at high temperature and normal temperature. It is inorganic water-based and environmentally friendly. It does not react with the quenching medium. It can effectively maintain the chemical reaction and oxidation of materials at high temperatures; effectively avoid resistance electric The high temperature oxidation rate of arc furnace, graphite crucible, graphite rod, etc. is over 96%.