Temporary CO2 capture shut down: Implications on low pressure steam turbine design and efficiency

Marcus Thern, Kristin Jordal, Magnus Genrup

Forskningsoutput: Kapitel i bok/rapport/Conference proceedingKonferenspaper i proceedingPeer review

6 Citeringar (SciVal)

Sammanfattning

The Natural gas Combined Cycle (NGCC) with post combustion capture using liquid solvents may in some cases be of interest to design with a flexible steam bottoming cycle, so that it can operate both with and without CO2 capture. It is then important that the choice of the low pressure (LP) steam turbine exhaust size is made accordingly. The paper describes why a flexible NGCC requires a LP steam turbine with smaller exhaust than the corresponding NGCC without CO2 capture, and how this will affect the LP turbine exhaust loss and NGCC process efficiency. Handling large variations in LP steam flow is in fact wellknown technology in combined heat and power (CHP) plants, and the use of 3D simulation tools can further help making the best LP steam turbine design choice. (C) 2013 Elsevier Ltd. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/3.0/).
Originalspråkengelska
Titel på värdpublikation7th Trondheim Conference on Co2 Capture, Transport and Storage (2013)
FörlagElsevier
Sidor14-23
Volym51
DOI
StatusPublished - 2014
Evenemang7th Trondheim Conference on CO2 Capture, Transport and Storage (TCCS) - Trondheim, NORWAY
Varaktighet: 2013 juni 52013 juni 6

Publikationsserier

Namn
Volym51
ISSN (tryckt)1876-6102

Konferens

Konferens7th Trondheim Conference on CO2 Capture, Transport and Storage (TCCS)
Period2013/06/052013/06/06

Ämnesklassifikation (UKÄ)

  • Energiteknik

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