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中文摘要：
阐述热分析和分析在氧化铝蒸发工序节能降耗中的意义,建立工序的热分析和分析模型,并以此对某厂蒸发工序进行热效率和效率的分析。研究结果表明：蒸发工序热效率仅为30.67%,效率仅为15.08%,热损失严重,用能水平低,节能潜力大;热分析确定的高耗能环节为冷凝水自蒸发器和末效蒸发器,分析确定的高耗能环节不仅为冷凝水自蒸发器和末效蒸发器,还有传热过程损失和流动过程损失。通过对蒸发工序进行热分析和分析,评价工序用能水平,确定耗能的主要环节、部位及节能潜力,指出蒸发工序的节能降耗途径。
英文摘要：
The importance of thermal analysis and exergy analysis in alumina evaporation process was described;a thermal analysis model and an exergy analysis model were established.The models were applied in a factory to analyze the thermal efficiency and exergy efficiency of the alumina evaporation process,to evaluate the energy consumption level in the alumina evaporation process,and to identify key areas of energy consumption and energy saving potential.The methods of energy saving and consumption lowering of the alumina evaporation process are put forward.
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