实践证明,在装有炉气净化、热风及自动加料的封闭式冲天炉中,完全能熔制出符合于ГОСТ—1412—70规定的各种牌号铸铁。梁赞中心铸造厂已熔制出СЧ12—28～СЧ32—52各种牌号铸铁。封闭式冲天炉全套设备包括密封炉顶、炉气除尘净化系统、燃烧室幅射换热器、煤气或感应加热回转前炉、清理残料机构和炉渣粒化装置,同时还包括金属炉料、焦炭、熔剂和铁 Practice has proved that in a closed furnace with furnace gas purification, hot air and automatic feeding cupola, fully capable of melting in line with ГОСТ-1412-70 provisions of the various grades of cast iron. Liangzan center Foundry has been melting out СЧ12-28 ~ СЧ32-52 various grades of cast iron. Closed cupola full set of equipment, including sealed roof, furnace gas purification system, the combustion chamber radiation heat exchanger, gas or induction heating rotary forehearth cleaning residue organization and slag granulation device, but also includes metal charge, coke , Flux and iron