An Expert System to Reduce Emissions in a Full-Scale Bfb Boiler

Abstract An expert system was developed and installed in a bubbling fluidised bed boiler to give advice to the power plant operators when NOx-, SO2-, and CO-emission limits are exceeded. The expert system is used to stabilise the combustion conditions and to give information about flue gas emissions. The developed expert system can be also used to minimise flue gas emissions and for training. It gives a fast way to get knowledge about emissions and operator can act correctly. The system suits well for both on-line and off-line training, because a user can immediately see the effects of his/her actions.