Power plants – Combustion products used as motive fluid – Combustion products generator
Patent
1997-08-27
2000-06-06
Kim, Ted
Power plants
Combustion products used as motive fluid
Combustion products generator
60748, F02C 100
Patent
active
060704101
ABSTRACT:
A low emissions combustor includes a premixer for premixing liquid fuel and compressed air for achieving low NOx emissions without water or steam injection. The premixer includes a centerbody disposed in a shroud defining an annular flow channel extending between an inlet and outlet of the shroud. A plurality of fuel injection orifices are spaced circumferentially around the centerbody with each having an outlet being substantially flush with an outer surface of the centerbody. The fuel injection orifices inject liquid fuel into the flow channel wherein it is atomized by compressed air channeled through the shroud inlet. In a preferred embodiment, the fuel injection orifices are inclined at an acute angle for injection the fuel toward the shroud inlet to increase differential mixing velocity with the compressed air.
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General Electric Company
Kim Ted
Patnode Patrick K.
Snyder Marvin
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