the induction melting furnace body leaking is common accidents,If there is an accident,if no measures are taken, the copper coil will be broken and The molten iron and the coolant will contact and cause an explosion, which will lead to the accident of big equipment accidents and personal injury.Therefore, it is very necessary to take preventive measures against possible accidents and take emergency measures after accidents.
Cause of the leakage of the furnace body
1¡¢The cooling time of the molten iron is too long and the cover is closed, and the heat is expanded again. The lining of the squeezing causes cracks in the lining. During the melting process, the molten iron is worn out from the crack, which causes the furnace to wear out, or the spray from the cap, causing the accident of the spray furnace.
2¡¢As the age of the furnace increases, the volume of the lining becomes larger, the amount of molten iron in the furnace increases, and the lining is thinner. Partially unable to withstand the pressure of molten iron, causing the furnace to wear out.
3¡¢the furnace lining did not reach the requirements or partially brought in impurities and was not found, resulting in the melting from the above defects.
4¡¢The lining is quenched to produce cracks that pass through the crack during the melting process.
Precaution:
1¡¢From the beginning of the furnace construction, special personnel must be strictly managed to ensure that each furnace lining is consistent. It is forbidden to have debris falling into the lining during solidification.
2¡¢Before adding materials, observe whether there is crack or Perforation in the lining ,any may cause the phenomenon of wearing the furnace. If there is any problem, it must be treated.
3¡¢ During the melting process, the furnace cannot be used for a long time due to equipment failure or other factors. The molten iron should be taken out of the furnace to prevent the surface from solidifying.
Emergency plans:
1¡¢If there are signs of wearing or leaking and the leakage point is high, the power should be cut off immediately,but the cooling water should not be shut down, andThe molten iron should be taken out of the furnace immediately,then Check the leaking position of the furnace .
2¡¢ If the signs of wearing the furnace are obvious, the leakage is large, and the equipment can cause serious damage, the equipment loss should be reduced to a minimum. The power should be turned off immediately, the molten iron should be turned into the pit, and the dry sand should be covered to prevent the roasting furnace body.
3¡¢In the event of emergency or leaking accidents, personal safety should be protected first. Secondly, the equipment should be protected. The furnace body mainly protects the induction coil. Therefore, it is forbidden to shut down the cooling water and finally protect other parts to minimize the loss.
4¡¢When wear or leak accidents happen or have signs of wear and leakage, If the power supply does not stop, the power should be cut off to protect the thyristor inverter tube and rectifier.