In response to the problems of imprecise heat distribution and regulation in the secondary pipeline network of the heating system,as well as single evaluation indicators,this paper establishes a multi-level operation and regulation optimization model based on spatial dimensions.Its advantage is that it can achieve flow distribution and personalized regulation of each branch,fully tap into the energy-saving potential of the branch,then reduce the energy consumption of the heating system.In order to evaluate the feasibility of operational regulation strategies and the optimal operation plan,the Delphi method,entropy weight method,and comprehensive assignment method were used to determine weight coefficients.A multi-objective comprehensive evaluation index based on comfort,economy,and energy conservation and low-carbon was proposed,and the conclusion was drawn that the effect of the second level regulation was better than that of the third level regulation.The conclusion is that the second level regulation is more effective than the third level regulation,and the third level regulation is better than the first level regulation.Taking a project in Tianjin as an example,after the improvement and retrofit using the secondary operation regulation method,the heat consumption decreased by 18.07％,the power consumption decreased by 10.86％,and the annual heating operation cost was saved by 2.44 yuan/m2.The study of multi-level operation regulation methods and evaluation indicators provides a theoretical basis for determining system regulation strategies.
multi stage operation regulationcomprehensive empowerment lawcomprehensive evaluation indicatorssupply and demand balance
维普
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