F - Mech Eng,Light,Heat,Weapons – 22 – B
Patent
F - Mech Eng,Light,Heat,Weapons
22
B
F22B 37/00 (2006.01) F23L 1/00 (2006.01) F23L 9/00 (2006.01) F23B 10/00 (2006.01)
Patent
CA 2467550
A coal consuming boiler is provided with a combustion chamber having a divider of refractory material formed therein which separates the combustion chamber into primary and secondary combustion areas. A coal burner head for combusting coal is located in the primary combustion area. Primary combustion air is directed to the burner head while additional secondary combustion air is directed to the secondary combustion area to ensure that all combustible gases are thoroughly burnt up prior to the exhaust exiting the combustion chamber through a heat exchanger of the boiler. Exhaust tubes extending through the heat exchanger are configured in a horizontal double-pass configuration. A cleaner is provided in the form of nozzles associated with each of the exhaust tubes which are arranged to direct a high pressure flow of gas periodically therethrough for removing collected ash from the exhaust tubes to increase efficiency of the heat exchanger.
Penner Albert
Penner Cornelius
Battison Williams Dupuis
Penner Albert
Penner Cornelius
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