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基于有限容量排队论的铁水包个数计算模型
谷宗喜,徐安军,贺东风,冯凯
作者单位E-mail
谷宗喜 北京科技大学 冶金与生态工程学院, 北京 100083  
徐安军 北京科技大学 冶金与生态工程学院, 北京 100083 anjunxu@126.com 
贺东风 北京科技大学 冶金与生态工程学院, 北京 100083  
冯凯 北京科技大学 冶金与生态工程学院, 北京 100083  
摘要:
将"一包到底"模式下的铁水包周转过程抽象为有系统容量限制的3个串联接近闭合的排队系统,即高炉出铁、铁水脱硫以及转炉兑铁排队系统。在此基础上,提出基于有限系统容量排队论的铁水包理论周转个数计算模型。应用该模型,对重钢新区铁水包理论周转个数进行计算,结果表明:铁水包周转到达统计平衡的时间为294 min,理论周转个数为17个。研究表明,减少铁水包周转个数的关键在于优化系统容量值,实际生产中主要从改进高炉配罐制度、加强炼铁炼钢工序协调等方面采取措施,并应用模型计算相关参数为:铁水包周转时间为260 min,理论周转个数为15个。
关键词:  “一包到底”模式  有限系统容量排队论  铁水包备包  理论周转个数  配罐制度
DOI:10.11835/j.issn.1000-582X.2017.08.009
分类号:TF741.1
基金项目:国家重点研发计划课题(2016YFB0601301);国家自然科学基金资助项目(51674030)。
A calculation model for determining number of hot metal ladle based on queuing theory with constraints of system capacity
GU Zongxi,XU Anjun,HE Dongfeng,FENG Kai
Abstract:
The process of ladle turnover in "one ladle to an end" mode was abstracted as three serial and nearly closed queuing systems with system capacity constraints, i.e. BF iron tapping, desulfurization and BOF iron charging queuing system. A calculation model of theoretical turnaround number of hot metal ladle based on the queuing theory with limited system capacity was proposed. Theoretical turnaround number of Chongqing Iron and Steel Co., Ltd. was calculated by adopting proposed model, and the results are:294 min for turnaround time of ladle reaching statistical balance; 17 theoretical turnaround number of ladle. Research shows that optimizing the system capacity should be a crucial step to reduce the turnaround number of ladle. The main measures of practical production lie in improving the distribution strategy of empty ladle and strengthening the coordination between iron-making and steelmaking process, et al. Corresponding parameters are obtained by adopting the calculation model, i.e. 260min for l turnaround time of ladle; 15 theoretical turnaround number of ladle.
Key words:  “one ladle to an end” mode  queuing theory with constraints of system capacity  hot metal ladle preparation  theoretical turnaround number of ladle  distribution strategy of unloaded ladle
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