Multi-tube combustor and gas turbine including same
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United States of America Patent
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Jun 20, 2023
Grant Date -
Jul 21, 2022
app pub date -
Dec 2, 2021
filing date -
Jan 15, 2021
priority date (Note) -
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Abstract
A multi-tube combustor is provided. The multi-tube combustor includes a plurality of fuel nozzles disposed in a nozzle tube provided inside a nozzle casing, each fuel nozzle having a cavity, a plurality of compressed air supply tubes connected to the plurality of fuel nozzles and configured to supply a compressed air to the plurality of fuel nozzles, and an on/off valve provided on the plurality of compressed air supply tubes to open and close the compressed air supply tubes. The fuel and the compressed air are mixed inside the plurality of fuel nozzles, and the plurality of fuel nozzles are divided into a plurality of fuel nozzle groups, and a mixture of the fuel and the compressed air is ejected from one or more selected fuel nozzle groups of the plurality of fuel nozzle groups according to a combustion load condition or during a ramp-up process.
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