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宣钢８＃高炉（１２６０ｍ３）的自动控制系统采用网络９０集散系统控制，在８＃高炉大修中，将原网络９０系统部分升级为ＩＮＦＩ－９０开放系统，首例实现了新旧两个系统的兼容使用，提高了８＃高炉设备的自动运行率，满足了生产需要。
The automatic control system of 8 # blast furnace (1260m3) in Xuanhua was controlled by the network 90 distributed system. In the overhaul of 8 # blast furnace, part of the original network 90 system was upgraded to an INFI-90 open system. The first example achieved the compatibility of the old and the new systems Use, improve the automatic operation rate of 8 # blast furnace equipment, to meet the production needs.