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A Steam Utility Network Model for the Evaluation of Heat Integration Retrofits – A Case Study of an Oil Refinery

Sofie Marton (Institutionen för energi och miljö, Energiteknik) ; Elin Svensson (Institutionen för energi och miljö, Energiteknik) ; Riccardo Subiaco ; Fredrik Bengtsson (Institutionen för signaler och system, Reglerteknik) ; Simon Harvey (Institutionen för energi och miljö, Energiteknik)
Journal of Sustainable Development of Energy, Water and Environment Systems (1848-9257). Vol. 5 (2017), 4, p. 560-578.
[Artikel, refereegranskad vetenskaplig]

This paper presents a real industrial example in which the steam utility network of a refinery is modelled in order to evaluate potential Heat Integration retrofits proposed for the site. A refinery, typically, has flexibility to optimize the operating strategy for the steam system depending on the operation of the main processes. This paper presents a few examples of Heat Integration retrofit measures from a case study of a large oil refinery. In order to evaluate expected changes in fuel and electricity imports to the refinery after implementation of the proposed retrofits, a steam system model has been developed. The steam system model has been tested and validated with steady state data from three different operating scenarios and can be used to evaluate how changes to steam balances at different pressure levels would affect overall steam balances, generation of shaft power in turbines, and the consumption of fuel gas.

Nyckelord: Heat integration, Steam network, Energy cost savings, Oil refinery, Pinch analysis

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Denna post skapades 2017-09-21. Senast ändrad 2017-10-03.
CPL Pubid: 252016


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Institutioner (Chalmers)

Institutionen för energi och miljö, Energiteknik (2005-2017)
Institutionen för signaler och system, Reglerteknik (2005-2017)


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Chalmers infrastruktur