Electrode paste is also called self-baking electrode. It relies on the heat in the submerged arc furnace to complete the roasting. Therefore, matching the consumption speed of the electrode and the roasting speed is the key to the use of electrode paste. Due to the development of submerged arc furnace technology, it is gradually becoming large With the development in the direction of heating and airtightness, the more conductive heat and the reduction of radiant heat obtained by the open furnace in the past during the firing process of the electrode are only conductive heat. Therefore, the heat obtained by the electrode from the furnace is greatly reduced, which requires Improve the sintering performance of the electrode paste to make up for this deficiency.
It has several characteristics that cannot be ignored: high temperature resistance and low thermal expansion coefficient; relatively small resistivity, which can reduce the loss of electric energy; small porosity, which can slow the oxidation of the electrode in the heated state; high The mechanical strength will not break the electrode due to the influence of mechanical and electrical loads.