Water and steam injection system for emission control of gas tur

Details Water and steam injection system for emission control of gas tur Water and steam injection system for emission control of gas tur

1979-06-13

1981-04-07

Myracle, Jerry W.

Power plants

Combustion products used as motive fluid

With addition of steam and/or water

60 3905, F02C 600

Patent

active

042598370

ABSTRACT:
A control system for the injection of water or steam into the combustion chambers of a combustion turbine for reducing the emission of oxides of nitrogen in the exhaust gas of a combustion turbine is described. The control system includes a water control valve having a linear flow versus stroke characteristic which is controlled by an error signal representing the difference between a predetermined water-to-fuel schedule and the actual water-to-fuel schedule. Instruments for monitoring and recording water and fuel flow are also described.

REFERENCES:
patent: 3693347 (1972-09-01), Kydd et al.
patent: 3868818 (1975-03-01), Itoh
patent: 4044549 (1977-08-01), Zwick
patent: 4160362 (1979-07-01), Martens et al.
Knox, W. M. et al., "Water and Steam . . . Control", 26th General Electric Gas Turbine State of the Art Seminar, Jun. 18, 1978.

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