... technological renovation of gas-processing heating furnace, gas forging furnace, gas crucible furnace, gas mold furnace, grilled ladle gas furnace, sand resin heating gas regenerater, glass melting gas furnace, ceramic gas furnace, smoke exausting refractory ... mm)8001000Hearth active surface(m2)0.50.785Suirable fuelweak coherent gas carbon,anotherracite,burnt carbonFuel granularity(mm)25-8025-80Fuel ...