湖南长沙新生机床厂建立了一座22.5m~3高爐,建爐的目的是为了把含硫在1.0％以上以及渣铁不分的高硫土铁入爐熔化脱硫,获得含硫低的再生铁供炼鋼厂使用。该爐內型见下图。这座小高爐用炭摀爐衬。炭摀爐衬的配料是: 热处理过的无烟煤10～14mm的15.4％,1～4mm的13.8％。焦炭(牛馬司焦)<1mm的10.8％, Changsha, Hunan Xinsheng Machine Tool Plant has set up a 22.5m ~ 3 blast furnace, the purpose of building furnace is to sulfur content of more than 1.0% and regardless of the iron and steel into the furnace melting desulfurization, low sulfur to obtain a supply of renewable iron Steel mill use. The furnace type see below. This small blast furnace with carbon cover the lining. Carbon covering the lining of the ingredients are: heat-treated anthracite 10 ~ 14mm 15.4%, 1 ~ 4mm 13.8%. Coke (cattle horse coke) <1mm of 10.8%