... -heating FurnaceWorking principle The direct-heating furnace, is mainly made of three parts, such as furnace hearth, setting pocket and mixing room ... air burn sufficiently The fuel is filled in by the furnace door, which forms burning layers on the grate The air ... -1,000,0001.0*1.2m400-500Y5-47-6c6t15700,000-800,0000.8*1.0m300-400Y5-47-5c5t15600,000 Good performance Direct-heating Furnace ...