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Shijiazhuang, China

Zhang J.,University of Science and Technology Beijing | Guo X.-M.,University of Science and Technology Beijing | Zhang J.-F.,Shijiazhuang Iron Steel Co. | Zhao J.-L.,Shijiazhuang Iron Steel Co.
Kang T'ieh/Iron and Steel (Peking) | Year: 2010

The single burning experiments of fuel through changing size and the combustion temperature using TGA were conducted, in addition, the influence of flux and iron ore aiming at Shigang sintering materials on coal combustion at 1200°C was also studied in detail. The results indicate that there are certain enhancements on fuel combustion rate with the sintering temperature increasing and granularity of fuel decreasing, and both flux and iron ore have catalysis to the coal combustion, besides, there is obvious difference on catalysis mechanism between them. Source


Wang B.,University of Science and Technology Beijing | Mu Y.-Q.,University of Science and Technology Beijing | Ju Q.-P.,Fangda Special Steel Science and Technology Co. | Xie F.-M.,Fangda Special Steel Science and Technology Co. | And 3 more authors.
Beijing Keji Daxue Xuebao/Journal of University of Science and Technology Beijing | Year: 2013

To solve contradictions between market demands and productivity, the problem how to arrange the production, which not only meets the needs of many customers for all types of products, but also gives full play to productivity was discussed under the premise of smooth running in iron and steel plants. A domestic special steel plant, which produces long products, was chosen as an example, and the reasonable proportion of different type of products was analyzed in combination with the concepts of product structure and productivity. The relationship between product structure and productivity was studied from three aspects of the equipment, the processes and the steelmaking plant. Finally, a method was proposed to calculate the reasonable product structure and productivity. Source


Mu Y.-Q.,University of Science and Technology Beijing | Yin J.,University of Science and Technology Beijing | Xie F.-M.,Fangda Special Steel Science and Technology Co. | Wang B.,University of Science and Technology Beijing | And 6 more authors.
Beijing Keji Daxue Xuebao/Journal of University of Science and Technology Beijing | Year: 2013

Nowadays, the complex organization mode of multi-steel grade production exists in many steelmaking plants in China. The matching between metallurgical furnaces and casters has effect on the smooth running of production in the workshops. With a typical steel plant in China as an example, the issue about furnace-caster matching was analyzed based on previous studies. The concept of equivalent period was proposed to solve the furnace-caster matching mode in combination with product structure. The index of furnace-caster matching degree was suggested to evaluate the furnace-caster matching mode. Source


Wang C.,University of Science and Technology Beijing | Liu Q.,University of Science and Technology Beijing | Wang B.,University of Science and Technology Beijing | Mu Y.-Q.,University of Science and Technology Beijing | And 6 more authors.
Beijing Keji Daxue Xuebao/Journal of University of Science and Technology Beijing | Year: 2013

A multi-objective scheduling model was developed to solve the steelmaking-continuous casting scheduling problem of a special steel plant. Static scheduling and dynamic scheduling were investigated in the solving process of the model. The production modes in static scheduling were classified and the corresponding solving methods were formulated in combination with the running principles of steelmaking workshops and on the basis of the operation cycles of steelmaking furnaces and casters, while time-adjusting methods based on scheduling rules were described for the process of dynamic scheduling. A case in a BOF special steel plant, in which three casters are producing at the same time, was used to test the methods, and the scheduling plans of three casts were calculated and compared with actual production data. The comparison result indicates the validity of the methods. Source

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