Optimization Design and Performance Study of a Heat Exchanger for an Oil and Gas Recovery System in an Oil Depot

Zengliang Chen, Ye Luo, Zhihui Wang, Yulin Liu, Limei Gai, Qichao Wang and Bingyuan Hong ()
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Zengliang Chen: Sinopec Marketing Co., Ltd. Zhejiang Petroleum Branch, Hangzhou 310007, China
Ye Luo: Sinopec Marketing Co., Ltd. Zhejiang Petroleum Branch, Hangzhou 310007, China
Zhihui Wang: Zhejiang Key Laboratory of Petrochemical Environmental Pollution Control, National & Local Joint Engineering Research Center of Harbor Oil & Gas Storage and Transportation Technology, School of Petrochemical Engineering & Environment, Zhejiang Ocean University, Zhoushan 316022, China
Yulin Liu: Zhejiang Key Laboratory of Petrochemical Environmental Pollution Control, National & Local Joint Engineering Research Center of Harbor Oil & Gas Storage and Transportation Technology, School of Petrochemical Engineering & Environment, Zhejiang Ocean University, Zhoushan 316022, China
Limei Gai: Zhejiang Key Laboratory of Petrochemical Environmental Pollution Control, National & Local Joint Engineering Research Center of Harbor Oil & Gas Storage and Transportation Technology, School of Petrochemical Engineering & Environment, Zhejiang Ocean University, Zhoushan 316022, China
Qichao Wang: Zhejiang Key Laboratory of Petrochemical Environmental Pollution Control, National & Local Joint Engineering Research Center of Harbor Oil & Gas Storage and Transportation Technology, School of Petrochemical Engineering & Environment, Zhejiang Ocean University, Zhoushan 316022, China
Bingyuan Hong: Zhejiang Key Laboratory of Petrochemical Environmental Pollution Control, National & Local Joint Engineering Research Center of Harbor Oil & Gas Storage and Transportation Technology, School of Petrochemical Engineering & Environment, Zhejiang Ocean University, Zhoushan 316022, China

Energies, 2024, vol. 17, issue 11, 1-18

Abstract: High summer temperatures pose numerous challenges to the oil and gas recovery process in oil depots, including reduced adsorption tank recovery rates and decreased absorption tower desorption efficiency. This paper introduces a coupling design approach that integrates chemical process design with computational fluid dynamics simulation. The proposed approach is then utilized to investigate the optimal design and performance of the heat exchanger within the oil depot’s oil and gas recovery system. First, according to the given process design parameters, the heat exchanger is preliminary designed to determine the required heat exchange area and heat load. Based on the preliminary design results, a detailed design is carried out, resulting in the following calculations: the hot fluid has inlet and outlet temperatures of 40 °C and 29.52 °C, respectively, with an outlet flow velocity of 9.89 m/s. The cold fluid exhibits inlet and outlet temperatures of 25 °C and 26.98 °C, respectively, with an outlet flow velocity of 0.06 m/s. The specific structure and dimensions of the heat exchanger are determined, including the shell type, pipe specifications, and pipe length. Finally, CFD numerical simulation is utilized to analyze the flow field, velocity field, and pressure field within the designed heat exchanger. The calculations reveal the following findings: the hot fluid exhibited inlet and outlet temperatures of 40 °C and 29.54 °C, respectively, along with an outlet flow velocity of 9.94 m/s. On the other hand, the cold fluid shows inlet and outlet temperatures of 25 °C and 26.39 °C, respectively, with an outlet flow velocity of 0.061 m/s. The results show that the chemical process design and CFD numerical simulation results are consistent and can be mutually verified. The designed heat exchanger can efficiently cool oil and gas from 40 °C to 30 °C, and the oil and gas processing capacity can reach 870 m 3 /h, which is conducive to realizing the goals of energy saving, environmental protection, and safety.

Keywords: oil depot; oil and gas recovery; optimization design; CFD (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2024
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