... (diameter 1.5m,2m,2.4m,2.6m,3m,3.2m,3.4m,3.6m,gas output from 980Nm3/h to 11,000Nm3 ... /h), double stage coal gasifier(diameter 2m,2.6m,3.2m,3.4m,3.6m,4m,gas output from 200Nm3/h to 14 ... used in alumina,steel,pelletizing,machinery,nonferrous metal,metal,metallurgy,ceramic,refractory material,building and construction material,chemical industry,glass,power ...