Mary Anne Alvin

Development of Hot Gas Cleaning Systems for Advanced, Coal Based Gas Turbine Cycles

Westinghouse is developing hot gas cleaning systems for advanced, coal based gas turbine cycles. This paper summarizes the Westinghouse hot gas filter concept and reports on recent in-house and field test programs supporting its design and development. Basic materials issues related to ceramic material stability and hot metals structures are reviewed. Results of recent filter system testing are presented comparing candle and cross flow designs operating in both “simulated” and actual coal derived gas streams. Laboratory tests and analysis are reported relating to integrating sulfur and alkali control with the particle filter function.© 1992 ASME

Status of Westinghouse Hot Gas Filters for Coal and Biomass Power Systems

Several advanced, coal- and biomass-based combustion turbine power generation technologies using solid fuels (IGCC, PFBC, Topping-PFBC, HIPPS) are currently under development and demonstration. A key developing technology in these power generation systems is the hot gas filter. These power generation technologies must utilize highly reliable and efficient hot gas filter systems if their full thermal efficiency and cost potential is to be realized. This paper reviews the recent test and design progress made by Westinghouse in the development and demonstration of hot gas ceramic barrier filters toward the goal of reliability. The objective of this work is to develop and qualify, through analysis and testing, practical hot gas ceramic barrier filter systems that meet the performance and operational requirements for these applications.Copyright