新疆八一钢铁公司２号高炉扩改工程已于１９９９年６月底竣工投产。建设工期仅用５５天，施工速度创国内同类高炉改造工程新纪录。该高炉采用了许多同类型高炉的先进技术，如高炉采用大框架结构，炉顶采用无料钟设备，炉体冷却采用软水密闭循环设施，炉底炉缸内衬采用低气孔率 August 2 Xinjiang Iron and Steel Company No. 2 blast furnace expansion project was completed by the end of June 1999 production. Construction period of only 55 days, construction speed hit a new record of similar domestic blast furnace renovation project. The blast furnace uses many advanced technologies of the same type of blast furnace. For example, the blast furnace adopts a large-frame structure, the top of the blast furnace adopts a bell-less device, the furnace body adopts a closed soft water circulating facility, and the bottom hearth liner adopts a low porosity