Power plants – Combustion products used as motive fluid – With variable oxidizer control
Patent
1978-06-29
1981-03-17
Croyle, Carlton R.
Power plants
Combustion products used as motive fluid
With variable oxidizer control
60 3929, 60 3937, F02C 914
Patent
active
042559278
ABSTRACT:
A combustion system for gas turbines is disclosed which is capable of burning gaseous and liquid fuels. Excess air injected into the reaction zone of the combustor produces either a fuel-lean or fuel-rich mixture which lowers the temperature at which combustion occurs and thereby reduces the amount of nitrogen oxides in the turbine exhaust. Efficient combustion is maintained across a wide range of turbine loads by means of a control mechanism disposed externally of the combustor, which directs the airflow from the compressor to the reaction zone and to the downstream dilution zone respectively in a manner which permits variable, inverse proportioning of the air supplied to these zones. The variation in the pressure drop across the combustor is maintained within acceptable limits throughout the full load range.
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Johnson Robert H.
Wilkes Colin
Croyle Carlton R.
General Electric Company
Look Edward
Squillaro Jerome C.
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