BASIC OXYGEN FURNACE,practical, efficient, and state-of-art BOF ... life enhancement (slag-splashing for protect lining, zoned lining, lining hot repair, gunning) to obtain maxima BOF campaign of 20,000 ... slag treatment and recovery for sinter plant or blast furnace (hot slag water spray, slag roller)l Slurry recovery and ... 40t BOF for Chifeng Iron & Steel Company, China in 2006. BASIC OXYGEN FURNACE