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研究分析了电弧炉炼钢过程的冶金学特征,指出供应能量对电弧炉炼钢的物质转化过程起到了决定性的作用.观察、认识到在炼钢过程中存在着微观、介观、单元操作级和工位级等尺度级的时空多尺度结构.在工位级按能量将供氧、供电两项功率单元进行跨尺度集成,形成了工位级跨尺度能量集成的一般方法,并用数学公式进行了描述.工业试验和工业生产表明:跨尺度集成的理念和方法与炼钢生产相结合可取得较好的生产效果,平均冶炼电耗为271.1kW.h.t-1,氧气消耗为40.4m3.t-1,冶炼周期为52.9min.
The metallurgical characteristics of EAF steelmaking process were analyzed and pointed out that the supplied energy played a decisive role in the material conversion process of EAF steelmaking.Observed that in the process of steelmaking there are microscopic, mesoscopic, unit operating level And workstation level and other scale-scale space-time multi-scale structure.With energy level at the workstation level, the two power units of oxygen supply and power supply are integrated across the scale, forming a general method of cross-scale energy integration at the workstation level and using mathematical formulas The industrial test and industrial production show that the combination of the concept and method of cross-scale integration with the steelmaking production can achieve better production results, with an average power consumption of 271.1kW.ht-1 and an oxygen consumption of 40.4m3.t -1, smelting cycle is 52.9min.