年产130万吨连铸坯的电弧炉炼钢车间设计-学士学位论文.doc

年产130万吨连铸坯的电弧炉炼钢车间设计毕业论文 摘要 本文叙述了年产130万吨连铸坯的电弧炉炼钢车间工艺设计过程，通过对电弧炉相关材料的查阅，对现代电弧炉炼钢工艺及车间布置有了一定的了解和认识在冶炼工艺路线和相应设备。按照设计任务书的要求，先后进行并完成了物料平衡和热平衡的计算，电弧炉炉型尺寸的计算及确定、相应配备设备的计算及确定如：变压器、钢包、中间包等设备尺寸的选择确定、炉外精炼方式的选择确定，电弧炉车间的整体布置以及人员配备和经济指标的核算等任务。电弧炉新技术的开发给电弧炉炼钢带来了巨大的经济效益与环境优势，本文针对现代电弧炉炼钢新技术方面作了详细的讨论。 关键词：电弧炉，偏心底出钢，，炉外精炼  Abstract This article describes the capacity of 1.3mt of continuous casting slab EAF steelmaking process design process, through workshop of electric arc furnace of relevant materials of modem eaf or process and workshop layout have certain knowledge and understanding.During the design process,the main steel products is steel board of stainless steel .According to smelting steel grade ,choose a suitable route and the corresponding equipment. In strict accordance with the design specification requirements,has been completed materials balance and heat balance of 1Cr17Ni2 , the type size calculation of EAF,the calculation of corresponding equipment ,such as the transformer ,AOD,the ladle,tundish,slab continuous casting machine etc,The overall layout of electric arc furnace plant and the economic indicators business accounting.The development of EAF new technology brought enormous economic benefits and environmental advantages,this paper has made a detailed discussion about the modern EAF steelmaking technology. Key Words：electric arc furnace 目录 1 电弧炉炼钢车间的设计方案 1 1.1电炉车间生产能力计算 1 1.1.1电炉容量和台数的确定 1 1.1.2电炉车间生产技术指标 1 1.2电弧炉炼钢车间设计 2 1.2.1电弧炉炼钢车间设计与建设的基础材料 2 1.2.2电炉炼钢车间的组成 2 1.2.3电炉各车间的布置情况 3 2电弧炉炉型设计 4 2.1电弧炉炉型设计 4 2.1.1电弧炉炉型 4 2.1.2熔池的形状和尺寸 4 2.1.4炉衬厚度 6 2.1.5工作门和出钢口 7 2.2偏心底出钢箱的设计 7 2.2.1炉壳 7 2.2.2炉底 8 2.2.3出钢口 8 2.2.4机械装置 8 2.2.5出钢箱设计参数 8 2.3电弧炉变压器容量和参数的确定 9 2.3.1确定变压器的容量 9 2.3.2电压级数 10 2.3.3电极直径的确定 10 2.3.4电极极心圆的尺寸 10 2.3.5短网的设计 11 2.4水冷挂渣炉壁设计 12 2.5水冷炉盖设计 12 3电弧炉炼钢物料平衡和热平衡 13 3.1物料衡算 13 3.1.1 熔化期物料计算 13 3.1.2氧化期物料计算 18 3.2热平衡计算 22 3.2.1计算热收入QS 22 3.2.2计算热支出QZ 22 4 车间主要设备的选择 26 4.1电弧炉主要设备的选择 26 4.1.1校核年产量 26 4.1.2对电极的要求 26 4.2精炼炉设备选择 26 4.3连铸设备选择 27 4.3.1钢包允许的最大浇注