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Xu L.-F.,Shandong University | Xu L.-F.,Shandong Provincial Key Laboratory of Horticultural Machineries and Equipments | Pan H.-B.,Maanshan Iron and Steel Group Co. | Jia M.-X.,Shandong University
Kang T'ieh/Iron and Steel | Year: 2012

The texture evolution of IF steel during hot rolling in ferrite region and subsequent annealing was analyzed with X-ray diffract. The IF steel plates were rolled using hot mill in laboratory, and the effect of friction between steel sheets and rolls on texture characteristics during hot rolling in ferrite region and subsequent annealing were investigated. The results show that in the case of hot rolling without lubrication, the strong {110}<001> texture and weak γ-fiber texture at surface are formed, which induces strong {110}<001> texture after recrystallization annealing. During hot rolling with lubrication, the intensity of {110}<001> component at surface decreases, but {100}<011> and γ-fiber components increase. So the γ-fiber components increase after annealing. Owing to low friction effect, the center region of steel sheet is full of well-developed α and γ fiber textures during hot rolling process in ferrite region, and the γ fiber become main texture components after annealing. Source

Chen G.,Anhui University of Technology | Li L.-Y.,Anhui University of Technology | Ding Y.,Maanshan Iron and Steel Group Co. | Cao Q.-Q.,Maanshan Iron and Steel Group Co. | And 2 more authors.
Kang T'ieh/Iron and Steel | Year: 2014

In order to analyze energy consumption influencing factors of iron and steel enterprises in-depth and dig deep energy saving potential, the method of energy consumption in operating phase was proposed from two aspects. The first aspect considered from the material flow, energy flow and equipment status. The other considered from the heat balance. The results show that there are 12 factors influencing energy consumption. So there are twelve pathways of energy-saving: the quality of raw materials, fuel quality, produce, product performance, device status, level of equipment, situation at the interface between processes convergence, the rate of discharge, emissions temperature, emissions pressure, emissions calorific value and the product structure. Energy-saving pathways currently proposed may correspond to the twelve areas, which can be helpful to stipulate for countermeasures of energy consumption during the production practice process. The formula of the system energy consumption was deduced. Iron and steel enterprise system energy theory was enriched. Source

Lu B.,Nanjing Southeast University | Yu W.P.,Nanjing Southeast University | Chen D.M.,Anhui University of Technology | Chen G.,Anhui University of Technology | And 2 more authors.
Environment, Energy and Applied Technology - Proceedings of the 2014 3rd International Conference on Frontier of Energy and Environment Engineering, ICFEEE 2014 | Year: 2015

The paper analyzes material and energy flows of Coking process-step. The results show that composition of mixed coal is the main factors of energy consumption from the perspective of coke oven. And then the composition of mixed coal and waste heat recovery are common influence factor towards energy consumption from the angle of system. © 2015 Taylor & Francis Group, London. Source

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