共查询到20条相似文献,搜索用时 64 毫秒
1.
2.
结合韶钢的RH试产实践,重点从RH精炼工艺路线、工艺参数控制、工艺操作模式三个方面分析研究RH精炼技术在韶钢的应用;通过进一步优化精炼工艺技术,理顺RH生产工艺,提高RH精炼技术水平,提高钢水纯净度,提高钢水质量,最终达到开发高附加值产品的目的. 相似文献
3.
4.
5.
螺纹钢和优质钢棒材生产厂家越来越乐于采用高度专门化的棒材轧机。综述了四种轧机工艺布置方案及其技术;万能高速螺纹钢轧机,四切分高产螺纹钢轧机;生产中小型型材,扁材及工字钢的高适应性轧机;生产优质钢及特殊钢棒材,扁材及盘卷的棒材轧机。 相似文献
6.
7.
8.
300吨RH脱氧效果的工艺研究 总被引:1,自引:0,他引:1
本文讨论RH处理过程中钢中全氧含量T[O]的变化,给出了T[O]与氧化物夹杂含量间关系的线性方程,明确了影响RH脱氧效果的主要工艺参数是RH纯脱气时间,并可把其间的关系描绘成指数形式。 相似文献
9.
RH具有真空脱碳、脱氢、脱氧,顶枪吹氧脱碳,顶枪煤气烘烤真空室等功能。湘钢5 m宽厚板厂的120 t RH主要设计特点体现在:双车四工位的工艺布置、整体式真空槽、采用国产顶枪、合理的浸渍管设计及完善的浸渍管维护。 相似文献
10.
RH法具有真空脱碳、脱氢、脱氧,顶枪吹氧脱碳,顶枪煤气烘烤真空室等功能,湘钢五米宽厚板厂的120tRH主要设计特点体现在:双车四工位的工艺布置、整体式真空槽、采用国产顶枪、合理的浸渍管设计及完善的浸渍管维护。 相似文献
11.
12.
13.
介绍了济钢炼钢厂国产RH精炼炉设备的主要工艺参数和设备组成,对其低能耗真空系统、三槽五工位布局设计、自动测温取样定氧装置等创新设计进行了分析. 相似文献
14.
15.
16.
17.
Jian Cui Zongze Huang Zhigang Ma 《宝钢技术》2008,1(1):1-5
With the strong demand for the development of automobile sheets, tin plates, household appliances, silicon steel, pipeline steel and other products as well as for the quality improvement of steel products, remarkable progress has been made in RH refining technology and equipment design since Baosteel began production more than 20 years ago. The vacuum degassing ratio of Baosteel has jumped from 35% in the initial stage when Baosteel began production, to the current ratio of approximately 60%, and will soon reach 75% in the near future. The independent innovations in RH refming technology in Baosteel, such as RH equipment optimization, vacuum decarburization, inclusion control, deoxidation, desulfurization, rhythm adjustment between primary steelmaking and continuous casting, the high efficiency of the RH refining process, and other aspects of RH technology, have all effectively met the requirements of developing new steel products, quality improvement and logistical control. Complete sets of RH equipment and refining technology have been successfully exported to the domestic steel plants. In the future, Baosteel will make further efforts to improve efficiency, stabilize production and quality, and realize special line production, so that the RH degasser will play a greater role in Baosteel. 相似文献
18.
ZHANGChun-xia WANGBao-jun ZHOUShi-guang LIULiu XUJing-bo LINLi-ping ZHANGCheng-fu 《钢铁研究学报(英文版)》2004,11(1):12-16
A hybrid neural network model, in which RH process (theoretical) model is combined organically with neural network (NN) and case-base reasoning (CBR), was established.The CBR method was used to select the operation mode and the RH operational guide parameters for different steel grades according to the initial conditions of molten steel, and a three-layer BP neural network was adopted to deal with nonlinear factors for improving and compensating the limitations of technological model for RH process control and end-point prediction. It was verified that the hybrid neural network is effective for improving the precision and calculation efficiency of the model. 相似文献
19.
针对江苏沙钢宏发炼钢厂180 t RH真空炉在脱碳过程中发生喷溅,从真空脱碳原理、脱碳过程分析了喷溅产生的原因,认为前期快速脱碳是导致喷溅的主要原因。结合生产实践,通过改变预抽模式,合理控制真空度,优化提升气体模式和吹氧操作,优化冷却小废钢加入时间和加入量,有效地控制了真空脱碳过程的喷溅,并产生了明显的经济效益。 相似文献