... ) high efficient gas produce machine 3) single or doub gas producer, generator furnace ,gas generator,coal gasification, coal gas producer Specifications of ... .012.543.144.525.317.078.04Suirable fuelweak coherent gas carbon,anotherracite,burnt carbonFuel granularity(mm)25-80Fuel consumption ... 6667810142020277Tuyere diameter(mm)108108140165219325325426426426219 two stage coal gasifier furnace gas stove