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论述了过程集成方法、系统节能在过程工业领域的应用及研究进展。指出钢铁工业是典型的过程工业系统,根据其能源消耗、污染物排放的特点,以生产工序、生产流程和企业为研究对象,依据能量流、物质流和污染流输入输出关系构建了钢铁生产过程集成模型,并以能耗最小、CO2排放最少及成本最低为优化目标。分析表明用过程集成模型化方法可以实现钢铁企业系统节能与CO2减排,同时可对钢铁生产流程的物质流和能量流结构进行优化,进一步分析提高能源使用效率,减少CO2排放的潜力、途径和技术措施。
The method of process integration and the application and research progress of system energy saving in process industry are discussed. It is pointed out that the steel industry is a typical process industrial system. According to its characteristics of energy consumption and pollutant discharge, the production processes, production processes and enterprises are taken as research objects. Based on the input and output relations of energy flow, material flow and pollution flow, the steel production process Integrate the model with the goal of minimizing energy consumption, minimizing CO2 emissions and minimizing costs. The analysis shows that the process integration model can realize energy saving and CO2 emission reduction in the iron and steel enterprise, optimize the material flow and energy flow structure in the steel production process, and further analyze the potential, ways and Technical measures