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SYSTEM FOR SUPPLYING FUEL TO GAS TURBINE COMBUSTOR AND METHOD FOR SUPPLYING FUEL TO GAS TURBINE COMBUSTOR
SYSTEM FOR SUPPLYING FUEL TO GAS TURBINE COMBUSTOR AND METHOD FOR SUPPLYING FUEL TO GAS TURBINE COMBUSTOR
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机译:向燃气轮机燃烧室供油的系统和向燃气轮机燃烧室供油的方法
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摘要
The purposes of the invention are to reduce the consumption of high-calorie gases such as a coke oven gas (COG) during the running of a gas turbine, and prevent the gas turbine from being shut down due to clogging of a pilot line or a trouble with a compressor for compressing the high-calorie gas, thereby providing improved reliability for the gas turbine. At the time of starting the operation of the gas turbine (11), a combustor (17) is supplied with high-calorie fuel and low-calorie fuel through both a first fuel supply system (31) and a second fuel supply system (32), the first fuel supply system supplying the high-calorie fuel to a first nozzle constituting the combustor (17), the second fuel supply system supplying the low-calorie fuel to a second nozzle constituting the combustor (17). When the gas turbine (11) has reached the output at which the gas turbine (11) can be continuously operated only on the low-calorie fuel, supplying the high-calorie fuel to the combustor (17) is stopped so that only the low-calorie fuel is supplied to the combuslor (17).
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