Effect of pressure on second-generation pressurized fluidized bed combustion plants

Journal Article · Fri Apr 01 04:00:00 EST 1994 · Journal of Engineering for Gas Turbines and Power; (United States)

DOI:https://doi.org/10.1115/1.2906826· OSTI ID:7237943

Robertson, A ^[1]; Bonk, D ^[2]

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1. Foster Wheeler Development Corp., Livingston, NJ (United States)
2. Dept. of Energy, Morgantown, WV (United States)

In the search for a more efficient, less costly, and more environmentally responsible method for generating electrical power from coal, research and development has turned to advanced pressurized fluidized bed combustion (PFBC) and coal gasification technologies. A logical extension of this work is the second-generation PFBC plant, which incorporates key components of each of these technologies. In this new type of plant, coal is devolatilized/carbonized before it is injected into the PFB combustor bed, and the low-Btu fuel gas produced by this process is burned in a gas turbine topping combustor. By integrating coal carbonization with PFB coal/char combustion, gas turbine inlet temperatures higher than 1,149 C (2,100 F) can be achieved. The carbonizer, PFB combustor, and particulate-capturing hot gas cleanup systems operate at 871 C (1,600 F), permitting sulfur capture by lime-based sorbents and minimizing the release of coal contaminants to the gases. This paper presents the performance and economics of this new type of plant and provides a brief overview of the pilot plant test programs being conducted to support its development.

• OSTI ID: 7237943
• Journal Information: Journal of Engineering for Gas Turbines and Power; (United States), Journal Name: Journal of Engineering for Gas Turbines and Power; (United States) Vol. 116:2; ISSN JETPEZ; ISSN 0742-4795
• Country of Publication: United States
• Language: English

Related Subjects

01 COAL, LIGNITE, AND PEAT
014000* -- Coal
Lignite
& Peat-- Combustion
20 FOSSIL-FUELED POWER PLANTS
200100 -- Fossil-Fueled Power Plants-- Power Plants & Power Generation
BOILERS
ECONOMICS
FLUIDIZED BED BOILERS
FOSSIL-FUEL POWER PLANTS
PERFORMANCE
POWER PLANTS
PRESSURIZATION
THERMAL POWER PLANTS