In the process of producing carbide, ferrosilicon, ferromanganese and other ferroalloys, the smelting temperature needs to be raised. Only when a strong current can be input into the furnace through special electrodes can the production requirements be met.
In order to make the electrode work normally at very high temperature in the electric arc furnace, the electrode itself needs to have good conductivity, oxidation resistance and thermal shock resistance. Only the electrode paste produced with carbon raw materials can meet the harsh smelting requirements under continuous arc light high temperature of more than 3000 degrees. Therefore, the electrode paste occupies a very important position in the above ore thermoelectric furnace, so it is called the “heart” of this kind of electric furnace.
The electrode paste is a kind of “continuous self baking electrode” in terms of its use method and property. In the process of use, the outer layer of the continuous self baking electrode is a cylinder made of 1-2mm thick steel plate. The electrode paste is regularly added to the cylinder. With the development of production, the electrode paste is gradually softened – melted – roasted, and a large amount of volatile is released during roasting. When it enters the electrode conductive clip, Then, due to the high temperature effect, it is from semi coking to complete coking, * becomes a conductive carbon electrode, and the cylinder made of steel plate is melted into the furnace charge. The electrode paste is baked into conductive electrode by various heat of the electric furnace, so it is called self baking electrode.
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