关于双钟炉顶小钟及小钟斗快速更换的探讨

Study on Rapid Replacing the Little Bell and it’s Hopper above the Blast Furnace of Two Bell

探讨双钟炉顶小钟及小钟斗快速更换的可行性及方案，并结合安钢炼铁厂新１＃高炉实例加以说明。

Rapid replacing possibility and plan of the little bell and it’s hopper above the two bell’s blast furnace is investigated, and combines a special example with illustration by the new No.1 blast furnace in Anyang Iron & Steel Co.,Ltd.