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英国钢铁公司雷德卡高炉是世界上最大的高炉之一。这座高炉炉缸直径为14米,日产生铁1万吨,1979年10月投产,1986年3月第一代炉役结束,共产生铁1500万吨。1986年4月1日开始大修改造,历时135天。大修改造的项目包括:更换炉壳、冷却壁、耐火材料砖衬、过程控制装置、热风炉燃烧器等部分。一、高炉炉壳改造如图1所示,对现有的炉壳厚度进行了改进,改换成40毫米到120毫米厚的炉壳,该炉壳支承着14段铸铁冷却壁。在选择新炉壳的炉腰和炉身材料时,主
The British steel company Redcar Blast is one of the world’s largest blast furnaces. The blast furnace hearth diameter of 14 meters, daily production of iron 10,000 tons, put into operation in October 1979, the first generation of the end of the furnace in March 1986, a total of 15 million tons of pig iron. April 1, 1986 began major overhaul, which lasted 135 days. Overhaul of the project include: the replacement of furnace shell, staves, refractory bricks, process control devices, hot stove burners and other parts. First, the blast furnace shell transformation shown in Figure 1, the existing shell thickness has been improved, changed to 40 mm to 120 mm thick furnace shell, the shell supports 14 sections of cast iron stave. In the choice of a new furnace shell waist and body material, the Lord