公开(公告)号：US20180126332A1

公开(公告)日：2018-05-10

申请号：US15863618

申请日：2018-01-05

申请人： PEERLESS MFG. CO

发明人： James M. VALENTINE ,  Jeffrey Michael BRODERICK ,  Thomas V. ELDREDGE ,  Saiprasad JANGITI ,  Eric LINDEMANN

IPC分类号： B01D53/86 ,  B01J4/00 ,  B01D53/90 ,  B01J19/24 ,  B01D53/94

CPC分类号： B01D53/8631 ,  B01D53/8625 ,  B01D53/90 ,  B01D53/9409 ,  B01D2251/2062 ,  B01D2251/2067 ,  B01D2257/40 ,  B01D2259/124 ,  B01J4/002 ,  B01J4/008 ,  B01J19/2405 ,  B01J2219/00063 ,  B01J2219/00164 ,  B01J2219/00186 ,  B01J2219/00202 ,  B01J2219/00231

摘要： A system for vaporizing and optionally decomposing a reagent, such as aqueous ammonia or urea, which is useful for NOx reduction, includes a cyclonic decomposition duct, wherein the duct at its inlet end is connected to an air inlet port and a reagent injection lance. The air inlet port is in a tangential orientation to the central axis of the duct. The system further includes a metering valve for controlling the reagent injection rate. A method for vaporizing and optionally decomposing a reagent includes providing a cyclonic decomposition duct which is connected to an air inlet port and an injection lance, introducing hot gas through the air inlet port in a tangential orientation to the central axis of the duct, injecting the reagent axially through the injection lance into the duct; and adjusting the reagent injection rate through a metering valve.