Injector grid with two stage mixer

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United States of America Patent

PATENT NO 9649604
SERIAL NO

13850459

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Abstract

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An injector mixer arrangement (10) for supplying a reducing agent in gaseous form into a flue gas flowing in a gas duct (14) communicating with a catalyst (18a) in a selective catalytic reduction (SCR) reactor (12) arranged downstream of said injector mixer arrangement (10). The injector mixer arrangement (10) comprises an injector grid (22) equipped with a plurality of nozzles (30) arranged horizontally within the gas duct (14). The nozzles (30) are adapted to supply said reducing agent to the gas duct (14). The injector mixer arrangement (10) further comprises first stage mixer plates (24) and second stage mixer plates (26) arranged in the gas duct (14) downstream of said nozzles (30) and upstream of SCR reactor 12.

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Patent Owner(s)

Patent OwnerAddress
ANDRITZ AKTIEBOLAG891 21 ÖRNSKÖLDSVIK

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Tabikh, Ali Mustapha Vaxjo, SE 10 41
Tu, Haitao Beijing, CN 30 106

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