伊斯帕特内陆钢铁公司 7号高炉是一座有效容积为374 9m3的大型高炉。该炉于 1980年投入使用 ,如今已到了炉役末期。上世纪 90年代中期该炉在提高生产率的条件下 ,突现出高炉出铁不稳定现象。经公司研究认为改进出铁设备的可靠性及与出铁口炮泥及其设备成为关键。为此内陆公司将 IS Patter Inland Steel’s No. 7 blast furnace is a large blast furnace with an effective volume of 374 9 m3. The furnace put into use in 1980, now has reached the end of the furnace. In the mid 90s of last century, under the condition of increasing productivity, the furnace highlighted the instability of blast furnace tapping. According to the company’s research, it is crucial to improve the reliability of the tapping equipment and connect it with the taphole and its equipment. To this end the company will be inland