Reheat burner and method of mixing fuel/carrier air flow within a reheat burner
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United States of America Patent
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Jan 10, 2017
Grant Date -
Jan 30, 2014
app pub date -
Jul 26, 2013
filing date -
Jul 30, 2012
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Abstract
The invention refers to a reheat burner that includes a flow channel for a hot gas flow with a lance arranged along said flow channel, protruding into the flow channel for injecting a fuel over an injection plane perpendicular to a channel longitudinal axis, wherein the channel and lance define a vortex generation zone upstream of the injection plane and a mixing zone downstream of the injection plane in the hot gas flow direction. The mixing zone provides at least one axially region having different cross sectional areas along its longitudinal axis with continuously changing shape, or having non circular cross section areas which change location along its longitudinal axis by continuously rotation around the longitudinal axis.
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