F - Mech Eng,Light,Heat,Weapons – 23 – D
Patent
F - Mech Eng,Light,Heat,Weapons
23
D
F23D 14/58 (2006.01) F23C 7/00 (2006.01) F23C 9/00 (2006.01) F23D 11/40 (2006.01) F23D 14/02 (2006.01) F23D 14/62 (2006.01) F23D 17/00 (2006.01)
Patent
CA 2190064
In a premix burner which essentially comprises at least two hollow conical sectional bodies (1, 2) which are nested one inside the other in the direction of flow and form an interior space (14), tangential air-inlet slots (21, 22) are formed by offsetting the center axes (1b, 2b) of these sectional bodies from one another. Feed ducts (25, 26) extend upstream of these tangential air-inlet slots, which feed ducts (25, 26) each end with an injector system (200) for the provision of combustion air (15) consisting of fresh air (19) and flue gas (20). A perforated plate (23, 24) belonging to the injector system runs parallel to the inflow planes (30, 40) of the feed ducts and is provided with injector nozzles (23a, 24a) whose inflow angle varies continuously in the longitudinal direction of the premix burner relative to the burner axis.
Abb Research Ltd.
Swabey Ogilvy Renault
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