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北龙钢铁公司3‘高炉改造项目于1997年4月投入运行。高炉容积为35011’，采用3座内燃式热风炉为高炉送风，送风方式为单炉送风，炉顶采用恒压力控制。自动控制系统采用VXL集散控制系统和西门子PLC，VXL和PLC之间采用RLBUS进行通信。pXL仪表监控系统主要完成热风炉燃烧控制、送?
Beilong Iron and Steel Company 3 ’blast furnace transformation project put into operation in April 1997. Blast furnace volume of 35011 ’, the use of three internal combustion hot blast furnace blast furnace blast air supply method for the single furnace air supply, roof pressure control. Automatic control system uses VXL distributed control system and Siemens PLC, VXL and PLC using RLBUS to communicate. pXL instrument monitoring system to complete the hot stove combustion control, send?