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萍钢降低高炉燃料比措施分析
引用本文:刘竹林,王建丽,苏振江,杨 旭,刘 康.萍钢降低高炉燃料比措施分析[J].湖南工业大学学报,2012,26(1):96-100.
作者姓名:刘竹林  王建丽  苏振江  杨 旭  刘 康
作者单位:1. 湖南工业大学冶金工程学院,湖南株洲,412007
2. 江西萍钢实业股份有限公司九江分公司,江西九江,332500
摘    要:针对萍乡钢铁公司高炉炼铁燃料比高的现状,从原料冶金性能与粒度组成、炉料结构、合理冶炼强度、造渣制度、多环布料、适宜煤粉喷吹量、低硅生铁冶炼等方面,分析了降低高炉燃料比的技术措施。研究表明:改善焦炭质量,加强筛分与整粒,选择适宜冶炼强度,选择适宜MgO的渣系.缩小加权平均角差,避免过度中心加焦,根据原燃料条件选择煤比,稳定生铁的含硅量是降低高炉燃料比的关键技术措施。

关 键 词:燃料比  冶炼强度  多环布料  低硅冶炼  炉渣
收稿时间:2011/9/11 0:00:00

nalysis of the Measurement on Reducing the Fuel Rate of Blast Furnace in Pingxiang Iron and Steel Co.
Liu Zhulin,Wang Jianli,Su Zhenjiang,Yang Xu and Liu Kang.nalysis of the Measurement on Reducing the Fuel Rate of Blast Furnace in Pingxiang Iron and Steel Co.[J].Journal of Hnnnan University of Technology,2012,26(1):96-100.
Authors:Liu Zhulin  Wang Jianli  Su Zhenjiang  Yang Xu and Liu Kang
Affiliation:1.School of Metallurgy Engineering,Hunan University of Technology,Zhuzhou Hunan 412007,China;2.Jiujiang Branch of Piangxiang Iron and Steel Company,Jiujiang Jiangxi 332500,China)
Abstract:In view of ironmaking fuel ratio of blast furnace in PingGang, discussed the technical measures of reducing fuel ratio from various aspects of raw materials metallurgical properties, grain composition, burden design, reasonable smelting intensity, slagging regime, multi-circle burden distribution, appropriate for coal powder, smelting low silicon Iron and so on. The study shows that the key technical measures to lowering the fuel rate are improving the quality of coke, further screening and size stabilization, choosing the suitable smelting strength and appropriate MgO slag system, narrowing weighted average angle difference, avoiding excessive center coke charging, choosing coal ratio according to the raw material and fuel conditions and stabilizing silicon content of pig iron
Keywords:fuel rate  smelting strength  multi-circle burden distribution  smelting low silicon  slag
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