期刊
PROCESSES
卷 8, 期 12, 页码 -出版社
MDPI
DOI: 10.3390/pr8121548
关键词
multi-period hydrogen network; inter-plant; superstructure; simultaneous optimization approach
资金
- National Natural Science Foundation of China (NSFC), China's Post-doctoral Science Fund [21878240, 21808179, 21676211]
- Key Research and Development Program of Shaanxi Province [2018M633518]
- [2018GY-072]
- [2019GY-139]
Inter-plant hydrogen integration can reduce the consumption of hydrogen utility in petrochemical parks. However, the fluctuation of operating conditions will lead to complex multi-period problems of hydrogen network integration. This work develops a simultaneous optimization approach to solving multi-period optimization problems for the inter-plant hydrogen network. To do this, we consider the inter-plant hydrogen integration and the fluctuation of operating conditions in each plant at the same time, and aim to minimize the total annualized cost of the entire hydrogen system of all plants involved. An industrial case study of a three-plant hydrogen network with seven subperiods was adopted to verify the effectiveness of the proposed method. Results show that the optimal structure and the corresponding scheduling scheme can be obtained when the lowest cost of the system is targeted. Compared with the stepwise methods, the proposed approach features taking the characteristics of all subperiods into account simultaneously and making the structure of the hydrogen network much more effective and economical. For the scheduling schemes, the utilization efficiency of the internal hydrogen sources is increased by hydrogen exchange among the plants.
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