With numerical methods used, the flow of liquid metal in the converter caused by the bottomgas injection has been simulated with computers.
本文采用数值方法，用计算机模拟了转炉内金属液在底吹气体作用下的流动状况。
2
The outer furnace wall between the two grates is equipped with a gasification gas outlet pipe, namely utilizing a bottomgas outlet structure.
两炉箅中间的外炉壁上设有气化燃气出气管，既采用下出气结构；
3
The work principle and maintenance method of bottomgas-feeding brick in top-bottom duplicate blown converter are stated, it is proposed how to make the bricks synchronized with furnace life.