Ferrosilicon electrode paste is a conductive material used for ferroalloy furnace, calcium carbide furnace and other electric furnace equipment. Electrode paste is also known as self baking electrode, which relies on the heat in the submerged arc furnace to complete the roasting. Therefore, the matching of the consumption rate of the electrode with the roasting rate is the key to the use of electrode paste. Due to the development of submerged arc furnace technology, it is gradually developing towards large-scale and closed direction. During the roasting process, the more heat transfer and radiant heat reduction of the electrode obtained from the past open furnace type are only heat transfer, Therefore, the heat obtained by the electrode from the furnace is greatly reduced, which requires improving the sintering performance of the electrode paste to make up for this deficiency.
The electrode paste can withstand high temperature and has a small coefficient of thermal expansion. It has a relatively small resistance coefficient, which can reduce the loss of electric energy. With small porosity, the heated electrode can be oxidized slowly. With high mechanical strength, the electrode will not break due to the influence of mechanical and electrical loads. The current is smelted by the electric arc generated by the electrode input into the furnace. The electrode plays an extremely important role in the whole electric furnace. Without it, the electric furnace cannot play a role. In order to make the electrode work normally under the temperature generated by the arc, it must have a high degree of oxidation resistance and conductivity, which is only possible for the electrode made of carbon material, because the carbon electrode can withstand the arc temperature of 3500 ℃ and only oxidize slowly.
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