The paper will show the development of lean premix combustion technologies in BBC, ABB, and Alstom gas turbines. Different technologies have been developed and applied in Brown Boveri Company (BBC) before 1990. Considerable improvements with respect to emissions as compared to gas turbines with a single combustor and a single diffusion burner for liquid and gaseous fuel have been achieved with burners with extended premixing sections and with multi-injection burners for annular combustors. Between 1990 and 2005, burners with short but effective premixing zones (EV burners: environmentally friendly V-shaped burners) have been implemented in all new gas turbines of the ABB (and later Alstom) fleet with levels well below 25 vppmd (@15% ). In addition to this, three variants of premix technologies have been successfully developed and deployed into Alstom GT engines: the sequential EV burners—a technology that allows premixing of natural gas and oil into a hot exhaust stream to reheat the exhaust gases of a first high-pressure turbine; the MBtu EV burners that are used to burn syngas in a premix flame with low emissions; and the advanced EV burners (AEV) that are capable to prevaporize and premix liquid fuel prior to combustion and burn it with very low emissions without water injection. The paper will give an overview of these technologies and their usage in Alstom gas turbines over the last .
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January 2007
Technical Papers
of BBC/ABB/Alstom Lean Premix Combustion Technologies
Klaus Döbbeling,
e-mail: klaus.doebbeling@power.alstom.com
Klaus Döbbeling
Alstom Power
, Brown Boveri Strasse 7, CH-401 Baden, Switzerland
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Jaan Hellat,
Jaan Hellat
Alstom Power
, Brown Boveri Strasse 7, CH-401 Baden, Switzerland
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Hans Koch
Hans Koch
ABB
, Raenkestrasse 23, CH-8700 Kuesnacht ZH, Switzerland
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Klaus Döbbeling
Alstom Power
, Brown Boveri Strasse 7, CH-401 Baden, Switzerlande-mail: klaus.doebbeling@power.alstom.com
Jaan Hellat
Alstom Power
, Brown Boveri Strasse 7, CH-401 Baden, Switzerland
Hans Koch
ABB
, Raenkestrasse 23, CH-8700 Kuesnacht ZH, SwitzerlandJ. Eng. Gas Turbines Power. Jan 2007, 129(1): 2-12 (11 pages)
Published Online: September 28, 2005
Article history
Received:
August 25, 2005
Revised:
September 28, 2005
Citation
Döbbeling, K., Hellat, J., and Koch, H. (September 28, 2005). " of BBC/ABB/Alstom Lean Premix Combustion Technologies." ASME. J. Eng. Gas Turbines Power. January 2007; 129(1): 2–12. https://doi.org/10.1115/1.2181183
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