Open AccessIncreasing Efficiency
Author(s) -
Mark Crawford,
Thomas Römer
Publication year - 2017
Publication title -
mechanical engineering
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.117
H-Index - 17
eISSN - 1943-5649
pISSN - 0025-6501
DOI - 10.1115/1.2017-dec-5
Subject(s) - boiler (water heating) , power station , supercritical fluid , plant efficiency , steam electric power station , coal , engineering , combined cycle , thermal power station , electricity generation , process engineering , waste management , mechanical engineering , environmental science , nuclear engineering , power (physics) , electrical engineering , chemistry , gas turbines , thermodynamics , physics , organic chemistry
This article discusses the technology used at the John W. Turk Jr. Power Plant in Fulton, Ark., to tackle the challenges of raising the pressure and temperature of the steam to new heights. The Turk plant is the first in the United States where the final steam conditions exceed both the critical pressure and a temperature of 1,100°F. Operating as an ultrasupercritical boiler, the Turk plant has the highest net plant efficiency of any solid fuel power plant in the United States. In this plant, Southwestern Electric Power Company tapped Babcock & Wilcox to design, supply, and erect the 600-MW advanced supercritical steam generator. To best optimize efficiency, the design team selected a single reheat cycle with elevated steam pressure and temperature. Babcock & Wilcox engineers also employed computational fluid dynamics modeling to place burners and overfire air ports to make the best use of low-sulfur coal.
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