In the process of steel making, the High Power Graphite Electrodes will produce some consumption, which can be divided into normal consumption and very high consumption. In normal consumption, there are three kinds of arc consumption, chemical consumption and oxidation consumption, although they cause wear on the graphite electrode, but the way There are differences.
1. The arc consumption is again consumed by evaporation. It is because the high temperature of 3000 ° C is generated between the electrode and the charge, and there will be continuous consumption of the Antioxidant Graphite Electrode, which accounts for about 40% of the normal consumption.
2. Chemical consumption refers to the reaction between the electrode and some of the impurities of iron, calcium, and sulphur oxides, or the reaction with iron in molten steel. This consumption is also directly related to the quality of the steel and the diameter of the graphite electrode. Relationship.
3. Oxidation consumption refers to the consumption caused by the reaction with oxygen in the process of steelmaking. It is related to the atmosphere, gas temperature and gas flow rate in the furnace. It finds 50%-60% in normal consumption, which is the largest consumption. of.
4, very consumption is the breakage of the machine wear level when used.
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