ABSTRACT
Richard T. Waibel, Michael G. Claxton, and Bernd Reese
CONTENTS
6.1Introduction................................................................................................................................................................... 152 6.2Combustion.................................................................................................................................................................... 152 6.3Burner Design............................................................................................................................................................... 153
6.3.1Metering: Fuel................................................................................................................................................... 153 6.3.1.1Gas Fuel............................................................................................................................................... 154 6.3.1.2Liquid Fuel.......................................................................................................................................... 154
6.3.2Metering: Air (Combustion O2) ...................................................................................................................... 156 6.3.2.1Natural Draft...................................................................................................................................... 156 6.3.2.2Forced Draft........................................................................................................................................ 157
6.3.3Air Control......................................................................................................................................................... 157 6.3.4Mixing Fuel/Air................................................................................................................................................ 158
6.3.4.1 Entrainment ........................................................................................................................................ 159 6.3.4.2Co-Flow............................................................................................................................................... 160 6.3.4.3Cross Flow........................................................................................................................................... 160 6.3.4.4Flow Stream Disruption.................................................................................................................... 160
6.3.5Maintain (Ignition)........................................................................................................................................... 160 6.3.6 Mold (Patterned and Controlled Flame Shape) .............................................................................................161 6.3.7Minimize (Pollutants)........................................................................................................................................162
6.4Burner Types...................................................................................................................................................................162 6.4.1Premix and Partial Premix Gas.......................................................................................................................162 6.4.2Raw Gas or Nozzle Mix................................................................................................................................... 163 6.4.3 Oil or Liquid Firing .......................................................................................................................................... 164
