罩退过程以黏结防治为目标的装炉优化技术

doi:10.13228/j.boyuan.issn0449-749x.20140385

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Abstract Since only the annealing efficiency was considered and the defect prevention in the bell-type annealing process was not involved in the past, taking into account the equipments and technological characteristics of bell-type annealing line, the influence mechanism of furnace charging process on sticking defect was analyzed through a mass of field experiments and theoretical studies, and the concept of sticking index was defined. Also, the effect of the coiling process, the coil size, the product specifications and the annealing process on the internal stress of steel coils was fully considered. The method of multiple objective function optimization was adopted. Considering both production efficiency and defect prevention, a suitable furnace charging optimization technology of bell-type annealing process aiming at sticking prevention was introduced by taking the steel coil base number as close as possible to the theoretical minimum and minimizing the average and the peak of sticking index of the same batch of the steel coil after charging as the target, and it was applied to the production practice of a cold rolled sheet plant. Good application effect was achieved with increased production by 5.5% and decreased occurrence rate of sticking by 12.4%, creating a great economic benefit for the enterprise and possessing further popularization and application value.

Received: 24 June 2014 Published: 12 January 2015

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	Articles by authors
	BO Zhen-Hua
	CUI Ya-Ya
	ZHU Hou-Hong
	KONG Lian-Hun
	LI Xiu-Jun
	GAO Meng-Lei
	LI Peng-Cheng

Cite this article:

BO Zhen-Hua,CUI Ya-Ya,ZHU Hou-Hong等. Furnace charging optimization technology of bell-type annealing process aiming at sticking prevention[J]. Iron and Steel, 2015, 50(1): 81-85.

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http://www.chinamet.cn/Jweb_gt/EN/10.13228/j.boyuan.issn0449-749x.20140385 OR http://www.chinamet.cn/Jweb_gt/EN/Y2015/V50/I1/81

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