| 摘要 |
PROBLEM TO BE SOLVED: To provide a gas turbine combustor capable of suppressing blockage of a fuel nozzle portion while achieving both of low NOx combustion and reduction of combustion vibration, in a gas turbine combustor incorporating premixing combustion type multiple burners.SOLUTION: In a gas turbine combustor incorporating premixing combustion type multiple burners, a fuel nozzle header is divided into a plurality of sections, orifices are respectively disposed on fuel inlets of the fuel nozzle headers, fuel supply systems from the fuel nozzle headers are merged at an upstream portion of the orifices, and a fuel flow rate regulation valve is disposed at an upstream portion of the merging portion. |
