FUEL SUPPLY DEVICE FOR GAS TURBINE AND METHOD FOR CONTROLLING FUEL SUPPLY DEVICE FOR GAS TURBINE
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United States of America
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Issued Date -
Dec 12, 2024
app pub date -
May 28, 2024
filing date -
May 28, 2024
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Abstract
The present application relates to a fuel supply device for a gas turbine, which can supply a first fuel and a second fuel having a high combustion speed to a combustor of the gas turbine. In the present device, a first fuel supply line and a second fuel supply line are merged at a merging portion and are connected to the combustor via a mixing line. The second fuel supply line is provided with a first shutoff valve serving as a controlled object when the combustion state is switched from a single fuel combustion state to a mixed fuel combustion state, and a flow meter provided upstream of the first shutoff valve. The flow meter can output a detection value of a flow rate of the second fuel in order to calculate a mixing ratio of the first fuel and the second fuel for monitoring an operating state of the gas turbine.
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