Repowering an existing steam plant with advanced circulating pressurized fluidized bed combustion (APFBC)
Conference
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OSTI ID:355853
- Parsons Power Group, Inc., Reading, PA (United States)
- Dept. of Energy, Germantown, MD (United States). Office of Fossil Energy
- Carolina Power and Light Co., Raleigh, NC (United States)
It is often more economical to keep existing generation capacity in operation than to build new capacity. Repowering is considered at a number of sites because of the need for added capacity, the poor condition of plant equipment (particularly the boiler), the need for improved environmental performance, the need for shorter licensing period, and other reasons. This paper describes the results of a US Department of Energy (DOE) conceptual design evaluation of an early commercial repowering application of advanced circulating pressurized fluidized bed combustion combined cycle technology (APFBC). The paper provides a review of the DOE study and summarizes the preliminary results. This all-coal technology has projected energy efficiency in the 42 to 46% HHV (43 to 48% LHV) range and environmental emissions superior to New Source Performance Standards (NSPS). A DOE-sponsored demonstration program will pioneer the first commercial APFBC demonstration in year 2001. That 170 MWe APFBC CCT demonstration will use all new equipment, and become the City of Lakeland`s C.D. McIntosh, Jr. steam plant Unit 4. This paper`s concept evaluation is for a larger implementation. A modern large frame combustion turbine is used to produce a 300 + MWe class APFBC. At this size, APFBC has a wide application for repowering many existing units in America. Here, APFBC would repower an existing generation station, the Carolina Power and Light Company`s (CP and L) L.V. Suttong steam station. Repowering concepts are presented for APFBC repowering of Unit 2 (252 MWe) and of both Units 1 and 2 in combination (360 MWe total).
- Sponsoring Organization:
- USDOE, Washington, DC (United States)
- DOE Contract Number:
- AC01-94FE62747
- OSTI ID:
- 355853
- Report Number(s):
- CONF-9705116--; ISBN 0-7918-1557-9
- Country of Publication:
- United States
- Language:
- English
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