The service life of blast furnace can be elongated with application of soft water closed cycle technology for cooling system, remote control lining forming with spray, and the expert system and the camera shooting technology in furnace top.

• 改造冷却系统采用软水闭路循环技术、采用遥控喷涂造衬技术以及智能专家系统和炉顶摄像技术的应用 ,延长了高炉的寿命。