Turbine anti-icing system

Details Turbine anti-icing system Turbine anti-icing system

1985-05-16

1985-12-31

Croyle, Carlton R.

Power plants

Combustion products used as motive fluid

60 39093, F02C 7047

Patent

active

045612455

ABSTRACT:
Exhaust gas is recirculated from the exhaust stack of a gas fired turbine to the air inlet along a constantly-open path to prevent inlet freeze-up. When anti-icing is not needed the exhaust stack is fully opened, creating a partial vacuum in the exhaust stack. At the turbine inlet the recirculation line, is opened to atmosphere. The resultant pressure differential between the opposite ends of the recirculation line creates a driving force for positively purging the recirculation line of unwanted residual exhaust gases. This in turn eliminates a source of unwanted moisture which could otherwise condense, freeze and interfere with turbine operations.

REFERENCES:
patent: 2680345 (1954-06-01), Frost
patent: 2705866 (1955-04-01), Quinby et al.
patent: 2750737 (1956-06-01), Leigh
patent: 4328666 (1982-05-01), Cummins, Jr.

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