... T,Vaults course door, the electric lifting of furnace door, aluminum liquid discharge.2, Furnace shell is for 8mm steel plate,The ... steel type of furnace wall for 12 # channels.3, The thickness of refractories for furnace wall about 500mm,Molten pool ... masonry arched in the top of furnace, use high strength castable. B)Basic structure consists of ignition institutions and match the ...