furnace campaign
4.The paper concludes the blowing - in and production experiences of 2 200 m3 blast furnace in Ansteel on which many new technologies and new equipment are adopted, such as bell less top of PW design, copper cooling stave, combined closed loop soft water circulation system, ceramic cup + water cooled hearth and bottom with carbon bricks, INBA slag treatment system, 3 modified long campaign high temperature hot air stove of internal combustion type, AGE gas scrubber, etc.

