What is the function of the leakage alarm device for the intermediate frequency furnace?

Detect the leakage current, predict the molten iron burning through the furnace wall lining in advance, check the state of the furnace wall lining, and observe whether the intermediate frequency voltage and DC ammeter indications are greater than before under the smelting condition. These parameters are used as a reference and whether the melting time is shortened , The DC current becomes larger and the melting time becomes shorter, which are the precursors of the molten iron burning through the furnace wall lining. The intermediate frequency leakage alarm device will produce false alarms when the furnace wall lining is intact because the furnace body is damp, and will also false alarms at the later stage of the furnace age. The key is to summarize the appropriate cycle of removing the old furnace wall lining according to the statistical results.