... can save 20% of the fuel. Compared with oil furnace, coal gasifier can save more than 60% of the ... The heat produced is used to heat the thermal furnace. With the gas as the burning material, the temperature ... is widely used as steel rolling furnace, annealing furnace, forging furnace, steel pipe furnace, glass furnace, aluminum furnace, melting furnace, cooper furnace, pottery furnace, etc. CG1.6 coal ...