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ABSTRACT
In this paper, taking 37000DWT asphalt ship as the research object, three different comprehensive cold energy utilization schemes are proposed. Through simulation analysis and evaluation of three different schemes, genetic algorithm is used for optimization and comparative analysis. The results show that from the perspective of energy utilization, supply–demand matching and economic benefits, the scheme of using all the cold energy of LNG for power generation is the best among the three schemes. Its exergy efficiency reaches 56.32%, and the net annual interest rate is CNY557,000, and the investment equipment cost is about CNY5.246917 million. It takes about 9.4 years to recover the cost.
Additional information
Funding
This work was supported by the Jiangsu Science and Technology Department [BE2015087].
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