《年产140万吨板坯的电炉炼钢分厂工艺设计论文》-毕业论文.doc

l 西安建筑科技大学华清学院 毕业设计（论文）任务书 题 目： 年产140万吨连铸坯的电弧炉炼钢车间工艺设计 院（系）： 材料与冶金工程系 专 业： 冶金工程 学生姓名： 学 号： 200905020301 指导教师（签名）： 主管院长（主任）（签名）： 时 间： 2013年 2 月 25 日 年产140万吨板坯的电炉炼钢分厂工艺设计 专业：冶金工程 姓名： 指导老师： 摘要 本设计主要是为了阐述当今电弧炉的发展概况以及电弧炉未来发展前景，结合本专业所学的理论知识，设计年产200万吨板培坯的电弧炉炼钢车间，根据国内外炼钢技术的发展趋势、钢铁产品的发展方向，选择了先进且有较大发展余地的短流程工艺：原料、废钢→超高功率电弧炉→LF炉精炼→连铸。通过产品大纲的确定、电弧炉炼钢的物料平衡与热平衡计算、电弧炉的炉型设计、连铸设备选择、车间工艺设计及车间总体布置，确定了以两座120吨超高功率电弧炉、两台LF精炼炉及两台连铸机为主要生产设备。设计方案以技术新、效益高为原则，充分体现了先进、灵活、多功能的特点，具备可持续发展性。提交的内容包括设计说明书一份（含专题和冶金专业相关外文文献译文各一篇），电弧炉炉型图、车间平面布置图和剖面图各一张。 关键词： 电弧炉发展，超高功率电弧炉(UHP),EBT，LF精炼炉，工艺设计 A Design on Electronic Arc Furnace Steel Plant With An Annual Productivity of 200 million tons of slab Speciality:Iron﹠Steel Metallurgy Name: Instructor: Abstract This is designed to this development survey of current electric arc furnace eaf future development prospects and combined with the professional theories knowledge, Electric arc furnace steelmaking workshop designed annual output of 2 million tons of slab.according to the domestic and foreign steelmaking technology development trend, steel products, chose the development direction of advanced and have larger development room of short flow process: raw materials, scrap and high power electric arc furnace and furnace refining – LF Refining furnace-. Through products outline ascertained, eaf material balance and the thermal equilibrium calculation, eaf furnace type design, equipment selection, workshop casting process design and workshop layout, identified with two 120 tons of high power electric arc furnace, two LF finer and two caster main production equipment. For Design schemes to technology and new and high efficiency for the principle, fully embodies the advanced, flexible, multi-function characteristics, with sustainable development. The content includes the design specifications submitted a (including project and metallurgy professional translation related foreign documents each an article), eaf furnace type figure, workshop layo