在开爐前,把电极間的鹽打开一条槽,再把兩电极相对兩面上粘附的鹽,用扁鏟鏟去,露出电极金屬,使它容易傳电。把焦炭打碎成5～10公厘的小块,放在槽里,并且將爐子电压調整到40伏以上(根据爐子大小来确定,但比淬火时电压要高)。开始送电后,由于焦炭的电阻,在焦炭相互接触的地方产生电弧。如果电弧不大,可以用一根木棒在焦炭上面压一压,便 Before firing, the salt between the electrodes is opened to a groove, and then the salt adhering to the two opposite surfaces of the two electrodes is shoveled with a shovel to expose the electrode metal to make it easy to transmit electricity. Break the coke into pieces of 5 to 10 millimeters, place it in a trough and set the furnace voltage above 40 volts (determined by the size of the furnace but higher than the voltage at quench). After the start of power transmission, an arc is generated where the coke contacts each other due to the resistance of the coke. If the arc is not large, you can use a stick in the coke pressure on the pressure, then