Usually, there are two kinds of furnace-building methods for induction furnaces. One is dry construction, the other  is wet construction. Generally, the quartz sand material is adjusted. The high-temperature agent is added inside, and the old furnace should be removed after sweeping. Clean, lay the glass cloth, put the bottom of the furnace, sturdy, flat, the bottom of the furnace is usually about two turns of the induction coil, then put the furnace into it, fill the material, pay attention to the positive, dry and direct sturdy Just like wet, the wet is to use the water and good irrigation, then beat the furnace to make the material firm, and finally pull out the furnace at the right time.