Applying nonlinear signal analysis techniques to flame scanner signals to improve staging of cyclone boilers for NOx control

Thomas J. Flynn, Ralph T. Bailey, Tim A. Fuller, Charles E.A. Finney, C. Stuart Daw, Jeff Stallings, Rick Himes, Randy Bermke, Ken Stuckmeyer

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Cyclone boiler owners continue to drive down NOx emissions by increasingly sophisticated staging and air distribution schemes. For example, Alliant Energy has employed RMT's SmartBum® technology, and Ameren UE has pioneered neural nets to reduce emissions. Over the last 11 years under sponsorship of EPRI, the team of ORNL and B&W has developed pulverized coal burner diagnostic technology by applying nonlinear signal analysis techniques to flame scanner signals. The team has extended the technology to cyclones to facilitate deeper staging of the cyclones to reduce NOx emissions. Development projects were conducted at the Alliant Energy Edgewater Units 3 and 4, and Ameren UE Sioux Unit 1. Nonlinear analysis statistics were correlated to upsets in cyclone operation resulting from poor air distribution in the burner and barrel. The team demonstrated that the lighter and main flame scanners can be used to independently guide adjustments to the burner and barrel.

Original languageEnglish
Title of host publicationProceedings of the EPA-DOE-EPRI-A and WMA Power Plant Air Pollutant Control Mega Symposium 2006
Pages782-800
Number of pages19
StatePublished - 2006
EventEPA-DOE-EPRI-A and WMA Power Plant Air Pollutant Control Mega Symposium 2006 - Baltimore, MD, United States
Duration: Aug 28 2006Aug 31 2006

Publication series

NameProceedings of the EPA-DOE-EPRI-A and WMA Power Plant Air Pollutant Control Mega Symposium 2006
Volume2

Conference

ConferenceEPA-DOE-EPRI-A and WMA Power Plant Air Pollutant Control Mega Symposium 2006
Country/TerritoryUnited States
CityBaltimore, MD
Period08/28/0608/31/06

Keywords

  • Alliant energy
  • Ameren UE
  • Chaos
  • Combustion
  • Cyclone boiler
  • Diagnostic
  • EPRI
  • Flame Doctor®
  • Flame scanner
  • Nonlinear
  • Oak ridge national laboratory
  • Signal analysis
  • The babcock & wilcox company

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