METHOD OF TRANSITIONING FROM AIR TO OXY AND OXY TO AIR FIREDCOMBUSTION IN A UTILITY OXY-COMBUSTION POWER PLANT

摘要

A new and unique boiler and method of transition between air and Oxy- combustion in a coal fired combustion process wherein near pure oxygen may be introduced to the boiler furnace in several locations including directly into the flame throug h the burner and/or directly into the furnace as nearly pure oxygen, and/or into the recycle flue gas streams to the burners, including both primary and secondary streams.