一、引言本钢2号高炉是本钢的功勋炉,始建于1917年,高炉炉容306m~3至今历时第11代炉龄。在第11代进行了易地大修,炉容扩大到380m~3,建国40多年来,2号高炉利用系数在全国同类高炉中始终居首位,曾6次蝉联全国红旗高炉称号。 I. Introduction Benxi Iron and Steel No. 2 blast furnace is the meritorious service of Benxi Iron and Steel, was built in 1917, the blast furnace capacity of 306m ~ 3 has lasted 11th generation of furnace age. In the 11th generation, it was easy to overhaul and its furnace capacity was expanded to 380m ~ 3. For more than 40 years after the founding of the People’s Republic of China, the utilization factor of No.2 blast furnace always ranks the first among similar blast furnaces all over the country and won the title of National Red Flag blast furnace for 6 times.