Low-nox staged combustion device for controlled radiative...

Details Low-nox staged combustion device for controlled radiative... Low-nox staged combustion device for controlled radiative...

F - Mech Eng,Light,Heat,Weapons

23

D

F23D 14/84 (2006.01) C03B 5/235 (2006.01) F23C 6/04 (2006.01) F23D 14/22 (2006.01) F23D 14/32 (2006.01)

Patent

CA 2184459

A staged oxy-fuel burner for producing a generally flat fuel rich flame overlying a highly radiative fuel lean flame, the burner having a fuel passage terminating in a nozzle, the fuel passage and nozzle having a generally elongated cross-section, a housing of complementary shape surrounding the fuel passage, so that when fuel is introduced into the fuel passage and an oxidizer is introduced into the passage defined by a space between the housing and the fuel passage a generally flat fuel rich flame is produced at the nozzle end of the fuel conduit and a staging nozzle for introducing oxidizer underneath and in a shape complementary to said fuel rich flame to produce a highly radiative fuel lean flame under said fuel rich flame. A precombustor having a cross-sectional shape complementary to that of flame end of the burner can be disposed on the flame end of the burner housing the precombustor having a nozzle underneath the flame end to introduce oxidizer underneath the fuel rich flame exiting the precombustor.

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