F - Mech Eng,Light,Heat,Weapons – 23 – J
Patent
F - Mech Eng,Light,Heat,Weapons
23
J
23/353, 110/45
F23J 7/00 (2006.01) F23L 1/02 (2006.01) F23L 7/00 (2006.01)
Patent
CA 1180537
Abstract of the Disclosure A combustion apparatus has a combustion chamber which is divided into combustion zones respectively communicating with individual mixing zones of a mixing chamber. Combustion air enters the mixing zones and then flows into the combustion zones. The concentration of NOx in the combustion products of each of the combustion zones is measured and water vapor is fed into each mixing zone in an amount which depends upon the NOx concentration for the corresponding combustion zone. The amount of water vapor fed into a mixing zone is such as to maintain the combustion temperature below a value at which substantial quantities of NOx are formed. The water vapor is fed into the mixing zones generally countercurrent to the combustion air entering the com- bustion zones and the water vapor and combustion air flow into the combustion zones together.
381267
Fetherstonhaugh & Co.
Martin Johannes J.
LandOfFree
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