F - Mech Eng,Light,Heat,Weapons – 23 – C
Patent
F - Mech Eng,Light,Heat,Weapons
23
C
F23C 6/04 (2006.01) F23C 1/12 (2006.01) F23L 7/00 (2006.01) F23N 5/00 (2006.01)
Patent
CA 2266672
A process and apparatus for combustion of a solid carbonaceous material, for example coal, in which a mixture of the solid carbonaceous material and combustion air is injected into a combustion chamber and ignited, thereby forming a fuel-lean primary combustion zone. A gaseous fuel is injected into the combustion chamber in a region downstream of the primary combustion zone, thereby forming a fuel-lean secondary combustion zone. Temperature in the secondary combustion zone is in the range of about 1800 ~F to 2400 ~F.
On décrit un procédé et un appareil permettant d'effectuer la combustion d'une matière carbonée solide, par exemple du charbon, dans lesquels un mélange formé de la matière carbonée solide et d'air de combustion est injecté dans une chambre de combustion puis allumé pour former ainsi une zone de combustion primaire pauvre en combustible. Un combustible gazeux est injecté dans la chambre de combustion dans une région située en aval de la zone de combustion primaire, ceci formant une zone de combustion secondaire pauvre en combustible. La température dans la zone de combustion secondaire se situe dans la plage comprise entre environ 1800 ·C et 2400 ·C.
Breen Bernard P.
Hura Harjit S.
Gas Research Institute
Gas Technology Institute
Macrae & Co.
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