Design of Pressurized Fluid-Bed Combustor/Particulate Control System for Reliable Turbine Operation PUBLIC ACCESS

[+] Author Affiliations
D. L. Keairns, J. R. Hamm, D. F. Ciliberti, R. W. Wolfe, A. Y. Ranadive, E. F. Sverdrup

Westinghouse Research & Development Center, Pittsburgh, PA

Paper No. 79-GT-190, pp. V01BT02A088; 8 pages
  • ASME 1979 International Gas Turbine Conference and Exhibit and Solar Energy Conference
  • Volume 1B: Gas Turbines
  • San Diego, California, USA, March 12–15, 1979
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7968-9
  • Copyright © 1979 by ASME


The commercial operation of coal-fired pressurized fluid-bed combustion-gas turbine plants for central station electric power generation or for industrial cogeneration applications depends on the reliable operation of the gas turbine. Reliable operation of the turbine is related to the particulate and chemical composition of the gases that it expands. This study is limited to an evaluation of particulates as they limit turbine life by erosion. Pressurized fluid-bed combustor design and operation trade-offs exist that affect the particle concentration and size ranges presented to the gas cleaning equipment. Gas cleaning equipment choices will subsequently effect the particulates going to the turbine. The development of a particle profile model permits an assessment of the effect of these decisions on the particles that enter the turbine. Turbine tolerance models previously developed by Westinghouse are then used to estimate turbine life and the incremental energy cost penalty. The scope of the evaluation procedure is presented and selected parametric cases presented to illustrate available trade-offs for design, operation, and cost.

Copyright © 1979 by ASME
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