F - Mech Eng,Light,Heat,Weapons – 02 – C
Patent
F - Mech Eng,Light,Heat,Weapons
02
C
F02C 6/00 (2006.01) F02C 6/04 (2006.01) F02C 6/18 (2006.01) F02K 3/10 (2006.01) F23D 14/46 (2006.01)
Patent
CA 2393293
A recuperated microturbine system including a low temperature duct burner in the exhaust gas which accommodates significant variations in the exhaust gas flow from the recuperator, which burns the added hydrocarbon fuel, for example natural gas, reasonably efficiently, without generating a significant amount of additional NO x. A wire mesh burner is used to burn the added fuel in part of the exhaust gas from the recuperator. The duct burner is operated either in a more or less radiant combustion mode, or in a blue flame mode. The remainder of the recuperator exhaust gas, which bypasses the afterburner, is heated mainly by radiant heat transfer from the wire mesh burner. The use of the wire mesh burner minimises additional NO x formation. In the duct burner the dynamic pressure of the exhaust gas is used to overcome the inherent static pressure loss of the wire mesh burner. The fuel flow, and exhaust air flow, to the burner are both controlled to provide stable combustion, in relation to the heat content required in the exhaust gas.
Her Majesty In Right Of Canada As Represented By The Minister Of
Shapiro Cohen
LandOfFree
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