摘　要:本毕业设计是根据国内外电弧炉炼钢技术现状来设计的，主要任务是设计一个年产120万吨的现代电炉炼钢车间。该厂以电炉炼钢车间为基础,设定两座85t电弧炉、钢包炉和VD炉、合金料添加系统,直接与连铸机连接，以及各种公、辅设施，包括烟气处理设备和自动化系统。

　　　本文对电弧炉炼钢车间全厂金属平衡，以及炼钢过程中的物料平衡、热平衡进行了计算，以及对炉型结构、车间布置进行了设计计算。

关键词：炼钢；电炉；设计

ABSTRACT:The graduation design is basis of recent status and development of electric arc furnace steelmaking technology at home and abroad，and its main task is design an electric steel meltshop with an annual synthesis productivity of 1.2 million tons steel.The Steel-making Plant is based on electric steel meltshop with two 85-t EAF and LF, VDconverter, alloy addition system, conticaster, plus auxiliary services including fume treatment plant and automation system.

　　Plant,s Metal Balancing,Material Balance and Thermal Malance in metallurgical industry have been described in the paper, structure of furnace design and design details of the technical reform project such as:design mission,annual production program,technology analysis,design calculation of main equipment and general layout of the shop,ete, are also emphatically introduced.   

Keywords: Steelsmelting ；Electric furnace ；Design