炼铁-炼钢界面动态运行过程解析与仿真优化

doi:10.13228/j.boyuan.issn0449-749x.20220797

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Abstract The techno-interface of BF-BOF route, which connects the two important production processes of blast furnace and converter in the steel manufacturing process, is related to the optimization of the whole process. "One Ladle Technology" is a new technology on the techno-interface of BF-BOF route in recent years. It is necessary to study the operation rules and optimization of the techno-interface of BF-BOF route based on "One Ladle Technology". At present, the analysis of the numerous and complex sub-interfaces of the techno-interface of BF-BOF route is still not in-depth, and it is urgent to develop the dynamic simulation of the techno-interface operation. Time, temperature and material quantity are the basic parameters that run through the steel manufacturing process. Therefore, the control of techno-interface of BF-BOF route takes the hot metal ladle transfer process as the target, the above three parameters as the control objects, and the integrated control and optimization of these parameters as the goal. Based on the operation performance, taking the techno-interface of BF-BOF route with "locomotive-crane" mode as an example, this paper seeks out the characteristics and the control objectives of the techno-interface; analyses event-time rules of the dynamic process; determines each sub-interface of the techno-interface and its time domain, time cycle and probability distribution for each process/event; and summaries the rules of the dynamic process of the techno-interface. Based on above, using FlexSim software, the simulation modules of the BF tapping, hot metal transportation and steelmaking process are established and integrated into a dynamic process simulation system for techno-interface of BF-BOF route. This system provides a research and experiment platform for depth analysis and optimization of the techno-interface of BF-BOF route. It is applied to simulate the transfer process of 260 t hot metal ladles, and the optimal scheme of ladle quantity is obtained.

Key words： interface technology techno-interface of BF-BOF route one ladle technology dynamic process rule simulation optimization

Received: 25 December 2022

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	DU Xue-qiang
	LI Xiu-ping
	HAN Wei-gang
	ZHOU Ji-cheng

Cite this article:

DU Xue-qiang,LI Xiu-ping,HAN Wei-gang等. Analysis, simulation and optimization of dynamic process on techno-interface of BF-BOF route[J]. Iron and Steel, 2023, 58(5): 137-144.

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http://www.chinamet.cn/Jweb_gt/EN/10.13228/j.boyuan.issn0449-749x.20220797 OR http://www.chinamet.cn/Jweb_gt/EN/Y2023/V58/I5/137

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