1、内蒙古科技大学毕业设计说明书 I 年产 400 万吨合格圆坯转炉炼钢及车间设计 摘 要 本设计主要任务是设计年产 400 万吨圆坯的转炉炼钢车间。从基础的物料平衡和热平衡计算开始，主要包括以下几部分：转炉炉型设计、氧枪设计、转炉车间设计、连铸设备的选型及计算、以及铁水供应系统，废钢供应系统，散装料供应系统，铁合金供应系统，除尘系统等进行了设计。其中，转炉炼钢车间设计是本设计的重点与核心。 本设计设有转炉三座， 公称 容量均为 120t，平均 冶炼 时间为 38min，纯吹氧时间为16min，转炉作业率为 84%，转炉的原料主要有铁水、废钢以及其它一些辅助原料 。连铸坯的收得率为 98%，另外本
2、车间炉外精炼主要采用了喂丝以及真空脱气手段。本车间的浇注方式为全连铸。车间的最终产品为圆坯。 为了更加详细说明转炉车间设计中的一些工艺及设备结构，本设计穿插了很多图形，表格，为明确，直观的介绍转炉炼钢车间的工艺布置提供帮助。 关键字 ：转炉； 400 万吨；设计；设备计算；车间计算 内蒙古科技大学毕业设计说明书 II Abstract The main task is to design a annual production 4,000,000 tons round billet converter steelmaking plant.From basic material balance
3、and heat balance calculations . including the following sections: Converter furnace design, lance design, the converter plant design, equipment selection and calculation of continuous casting and hot metal supply system, scrap supply system, bulk material supply systems, ferroalloy supply system, de
4、 dusting systems designed. Among them, the converter steelmaking plant design is the focus of this design and core. This design features have three converters, engineering capacity are 120t, the average time was blowing 38min, pure oxygen blowing time is 16min, the converter operating rate of 84%, t
5、he main raw converter molten iron, scrap steel and some other auxiliary materials. Casting umburnt yield was 98%, while the workshop mainly adopted refining and vacuum degassing means for feeding wire. The workshop for the whole casting casting method. The final product is a workshop round billets.
6、A more detailed description of some of the converter plant design process and equipment structure, the design interspersed with a lot of graphics, tables, For clearly, intuitive introduction converter steelmaking plant process layout help. Keywords： Converter； 4,000,000 tons； design； equipment calculation； workshop calculation
