三节化铁炉是我国古老的化铁设备。湖北地区的专、县级工厂中使用三节化铁炉相当普遍。从前由于这种化铁炉在结构和操作上都落后,熔化指标低,满足不了工业疾速发展的需要。近年来,湖北地区广大铸造工作者遵循伟大领袖毛主席的教导:“人类总是不断发展的,自然界也总 Three iron furnace is China’s ancient iron equipment. Hubei Province, the county, county-level plant in the use of three iron furnace is quite common. In the past due to the structure and operation of this furnace are backward, low melting index, can not meet the needs of the rapid development of industry. In recent years, the majority of foundry workers in Hubei follow the teachings of Chairman Mao, the great leader: "Humans are always evolving, and nature is always