| 摘要 |
A gas turbine combustor 3 is provided that can stably burn two kinds of gas fuels having different heating values by means of the same burner 300. In the gas turbine combustor 3 that includes a combustion chamber 12 for mixing fuel and air for combustion and a burner 300, disposed upstream of the combustion chamber 12, for jetting fuel and air into the combustion chamber 12 and holding flames, the burner 300 has a first swirler 401 including a plurality of fuel holes 202 and of air holes 201 circumferentially alternately and a second swirler 402 including a plurality of holes 203 through which to jet fuel or air, the second swirler 402 is disposed on the outer circumference of the first swirler 401, and each of the holes 203 of the second swirler 402 is greater in width than each of the air holes 201 of the first swirler 401. |
