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1问题的提出柳钢1 500 m3高炉于2009-10扩容改造后投产。高炉设有22个风口,2个铁口,采用陶瓷杯炉缸,高炉本体采用三段式铜冷却壁和炉身钢冷却壁的薄壁炉衬技术,以及应用了软水密闭循环系统、串罐式无料钟炉顶、大型顶燃球式热风炉和全干法除尘等先进技术和设备。2012年上半年,公司使用低品位矿冶炼,
1Problem raised Liuzhou Iron and Steel 1 500 m3 blast furnace put into operation in 2009-10 expansion. The blast furnace has 22 tuyeres, 2 tapholes, ceramic hearth furnace, blast furnace body with three-stage copper stave and stave thin-wall lining technology, and the application of a soft water closed loop system, No clock bell top, large top burning ball stove and all dry-law dust and other advanced technology and equipment. In the first half of 2012, the company used low-grade ore smelting,