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Optimization of velocity for energy saving and mitigating fouling in a crude oil preheat train with fixed network structure

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  • Wang, Yufei
  • Zhan, Shihui
  • Feng, Xiao

Abstract

Fouling of the inside of tubes in crude oil preheat systems increases pressure drop and pumping costs. In this paper, a method is proposed for optimizing crude oil velocity to reduce fouling of the heat exchanger tubes thereby maintaining heat transfer rates and reducing pressure drop. A simulated annealing algorithm is proposed to describe and optimize the interactions between heat transfer, pressure drop and fouling by adjusting fluid velocity. A specific crude oil heating system is used as a case study to verify the application of the algorithm. Results from case study showed that total annual cost is reduced by 6.4%, indicating that a better performance can be obtained by velocity redistribution using proposed method.

Suggested Citation

  • Wang, Yufei & Zhan, Shihui & Feng, Xiao, 2015. "Optimization of velocity for energy saving and mitigating fouling in a crude oil preheat train with fixed network structure," Energy, Elsevier, vol. 93(P2), pages 1478-1488.
    • Handle: RePEc:eee:energy:v:93:y:2015:i:p2:p:1478-1488
    DOI: 10.1016/j.energy.2015.09.130
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    References listed on IDEAS

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    Cited by:

    1. Li, Nianqi & Klemeš, Jiří Jaromír & Sunden, Bengt & Wu, Zan & Wang, Qiuwang & Zeng, Min, 2022. "Heat exchanger network synthesis considering detailed thermal-hydraulic performance: Methods and perspectives," Renewable and Sustainable Energy Reviews, Elsevier, vol. 168(C).
    2. Klemeš, Jiří Jaromír & Wang, Qiu-Wang & Varbanov, Petar Sabev & Zeng, Min & Chin, Hon Huin & Lal, Nathan Sanjay & Li, Nian-Qi & Wang, Bohong & Wang, Xue-Chao & Walmsley, Timothy Gordon, 2020. "Heat transfer enhancement, intensification and optimisation in heat exchanger network retrofit and operation," Renewable and Sustainable Energy Reviews, Elsevier, vol. 120(C).
    3. Sun, Wei & Cheng, Qinglin & Li, Zhidong & Wang, Zhihua & Gan, Yifan & Liu, Yang & Shao, Shuai, 2019. "Study on Coil Optimization on the Basis of Heating Effect and Effective Energy Evaluation during Oil Storage Process," Energy, Elsevier, vol. 185(C), pages 505-520.
    4. Tian, Jiayang & Wang, Yufei & Feng, Xiao, 2016. "Simultaneous optimization of flow velocity and cleaning schedule for mitigating fouling in refinery heat exchanger networks," Energy, Elsevier, vol. 109(C), pages 1118-1129.

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