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1. (WO2009127606) BURNER

Pub. No.:    WO/2009/127606    International Application No.:    PCT/EP2009/054365
Publication Date: Oct 22, 2009 International Filing Date: Apr 14, 2009
IPC: F23D 11/10
F23D 14/02
F23D 14/82
F23R 3/28
F23R 3/34
Applicants: SIEMENS AKTIENGESELLSCHAFT
ANDERSSON, Henrik
BRODIN, Haakan
GAO, Xiufang
PERSSON, Magnus
VUJICIC, Zeljko
ÖSTERLUND, Patric
Inventors: ANDERSSON, Henrik
BRODIN, Haakan
GAO, Xiufang
PERSSON, Magnus
VUJICIC, Zeljko
ÖSTERLUND, Patric
Title: BURNER
Abstract:
A burner with a burner head comprises a mixing tube (3) for premixing combustion air and fuel. The mixing tube (3) is provided with a pilot burner system in its downstream part. The pilot burner system comprises an annular mixing cavity (10) with an entrance for assist air and pilot fuel and with outlet nozzles (7). The mixing cavity (10) is provided with at least two swirler wings (18) being arranged in the vicinity of each outlet nozzle (7).