Gas turbine combustor with two kinds of gas fuel supply systems
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United States of America Patent
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Aug 22, 2017
Issued Date -
Dec 10, 2015
app pub date -
Jun 3, 2015
filing date -
Jun 4, 2014
priority date (Note) -
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Abstract
A gas turbine combustor is provided that can stably burn two kinds of gas fuels having different heating values by means of the same burner. In the gas turbine combustor that includes a combustion chamber for mixing fuel and air for combustion and a burner, disposed upstream of the combustion chamber, for jetting fuel and air into the combustion chamber and holding flames, the burner has a first swirler including a plurality of fuel holes and of air holes circumferentially alternately and a second swirler including a plurality of holes through which to jet fuel or air, the second swirler is disposed on the outer circumference of the first swirler, and each of the holes of the second swirler is greater in width than each of the air holes of the first swirler.
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