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Pressure drop optimisation in debottlenecking of heat exchanger networks

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  • Panjeshahi, Mohammad Hassan
  • Tahouni, Nassim

Abstract

Process integration technology is now widely applied in grass-roots design, energy saving retrofit and the debottlenecking of heat exchanger networks. This technology has been used in a variety of industries and proved to be reliable and applicable in engineering design. Debottlenecking may apply to a specific part or entire unit, whether it is due to increased throughput or process modifications. One of the advanced methods for debottlenecking that is currently used is based upon fixed allowable pressure drops, through which a retrofit can be achieved without a need for pump and/or compressor replacement. This research is trying to develop a new procedure for pressure drop optimisation in debottlenecking. This procedure enables the designer to study pump and/or compressor replacement whilst at the same time optimising the additional area and operating cost of the network. It deals with the problem of optimal debottlenecking of heat exchanger networks considering minimum total cost. Moreover, one can consider the possibility of the replacement of a given pump with a smaller one. The new procedure has been effectively applied to a crude oil pre-heat train, which was subject to some 20% increase in throughput, and the corresponding results proved to be accurate enough.

Suggested Citation

  • Panjeshahi, Mohammad Hassan & Tahouni, Nassim, 2008. "Pressure drop optimisation in debottlenecking of heat exchanger networks," Energy, Elsevier, vol. 33(6), pages 942-951.
    • Handle: RePEc:eee:energy:v:33:y:2008:i:6:p:942-951
    DOI: 10.1016/j.energy.2007.09.013
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    Citations

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    Cited by:

    1. Soltani, Hadi & Shafiei, Sirous, 2011. "Heat exchanger networks retrofit with considering pressure drop by coupling genetic algorithm with LP (linear programming) and ILP (integer linear programming) methods," Energy, Elsevier, vol. 36(5), pages 2381-2391.
    2. Mahmoud, A. & Shuhaimi, M. & Abdel Samed, M., 2009. "A combined process integration and fuel switching strategy for emissions reduction in chemical process plants," Energy, Elsevier, vol. 34(2), pages 190-195.
    3. Liu, Pu & Cui, Guomin & Xiao, Yuan & Chen, Jiaxing, 2018. "A new heuristic algorithm with the step size adjustment strategy for heat exchanger network synthesis," Energy, Elsevier, vol. 143(C), pages 12-24.
    4. Tiew, B.J. & Shuhaimi, M. & Hashim, H., 2012. "Carbon emission reduction targeting through process integration and fuel switching with mathematical modeling," Applied Energy, Elsevier, vol. 92(C), pages 686-693.
    5. Pan, Ming & Smith, Robin & Bulatov, Igor, 2013. "A novel optimization approach of improving energy recovery in retrofitting heat exchanger network with exchanger details," Energy, Elsevier, vol. 57(C), pages 188-200.
    6. Sun, Jin & Feng, Xiao & Wang, Yufei & Deng, Chun & Chu, Khim Hoong, 2014. "Pump network optimization for a cooling water system," Energy, Elsevier, vol. 67(C), pages 506-512.
    7. Faramarzi, Simin & Tahouni, Nassim & Panjeshahi, M. Hassan, 2022. "Pressure drop optimization in Total Site targeting - A more realistic approach to energy- capital trade-off," Energy, Elsevier, vol. 251(C).
    8. Valiani, Saba & Tahouni, Nassim & Panjeshahi, M. Hassan, 2017. "Optimization of pre-combustion capture for thermal power plants using Pinch Analysis," Energy, Elsevier, vol. 119(C), pages 950-960.
    9. Tahouni, Nassim & Khoshchehreh, Rezvaneh & Panjeshahi, M. Hassan, 2014. "Debottlenecking of condensate stabilization unit in a gas refinery," Energy, Elsevier, vol. 77(C), pages 742-751.
    10. Picón-Núñez, Martín & Rumbo-Arias, Jamel E., 2021. "Improving thermal energy recovery systems using welded plate heat exchangers," Energy, Elsevier, vol. 235(C).
    11. Kew Hong Chew & Jiří Jaromír Klemeš & Sharifah Rafidah Wan Alwi & Zainuddin Abdul Manan & Andrea Pietro Reverberi, 2015. "Total Site Heat Integration Considering Pressure Drops," Energies, MDPI, vol. 8(2), pages 1-24, February.
    12. Peng Wang & Jinling Lu & Qingsen Cai & Senlin Chen & Xingqi Luo, 2021. "Analysis and Optimization of Cooling Water System Operating Cost under Changes in Ambient Temperature and Working Medium Flow," Energies, MDPI, vol. 14(21), pages 1-19, October.
    13. 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.
    14. 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.
    15. Pan, Ming & Jamaliniya, Sara & Smith, Robin & Bulatov, Igor & Gough, Martin & Higley, Tom & Droegemueller, Peter, 2013. "New insights to implement heat transfer intensification for shell and tube heat exchangers," Energy, Elsevier, vol. 57(C), pages 208-221.
    16. Andiappan, Viknesh & Ng, Denny K.S. & Tan, Raymond R., 2017. "Design Operability and Retrofit Analysis (DORA) framework for energy systems," Energy, Elsevier, vol. 134(C), pages 1038-1052.
    17. Peng Wang & Xingqi Luo & Jinling Lu & Qiyao Xue & Jiawei Gao & Senlin Chen, 2022. "Energy and Economic Analysis of Power Generation Using Residual Pressure of a Circulating Cooling Water System," Sustainability, MDPI, vol. 14(19), pages 1-20, October.

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