Method and apparatus for mixing a gaseous fluid with a large gas stream, especially for introducing a reducing agent into a flue gas that contains nitrogen oxides
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United States of America Patent
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Aug 27, 2013
Grant Date -
Jan 1, 2009
app pub date -
Jan 26, 2007
filing date -
Jan 28, 2006
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Abstract
A method and apparatus for mixing at least one fluid stream with a large gas stream flowing in a gas duct, especially for introducing reducing agent into flue gas containing nitrogen oxides. The gas stream is directed against at least one disk-shaped mixer element on an inlet side that is inclined at an angle counter to the direction of flow of the gas stream, wherein eddy-type whirls form at the mixer element. A swirled fluid stream is admixed with the large gas stream downstream of the mixer element.
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