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1. (WO1999008045) NITROGEN OXIDE REDUCTION BY GASEOUS FUEL INJECTION IN LOW TEMPERATURE, OVERALL FUEL-LEAN FLUE GAS
Latest bibliographic data on file with the International Bureau   

Pub. No.: WO/1999/008045 International Application No.: PCT/US1998/016337
Publication Date: 18.02.1999 International Filing Date: 10.08.1998
IPC:
F23C 1/12 (2006.01) ,F23C 6/04 (2006.01) ,F23L 7/00 (2006.01) ,F23N 5/00 (2006.01)
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
23
COMBUSTION APPARATUS; COMBUSTION PROCESSES
C
METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN AIR
1
Combustion apparatus specially adapted for combustion of two or more kinds of fuel simultaneously or alternately, at least one kind of fuel being either a fluid fuel or a solid fuel suspended in air
12
gaseous and pulverulent fuel
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
23
COMBUSTION APPARATUS; COMBUSTION PROCESSES
C
METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN AIR
6
Combustion apparatus characterised by the combination of two or more combustion chambers
04
in series connection
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
23
COMBUSTION APPARATUS; COMBUSTION PROCESSES
L
SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
7
Supplying non-combustible liquids or gases, other than air, to the fire, e.g. oxygen, steam
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
23
COMBUSTION APPARATUS; COMBUSTION PROCESSES
N
REGULATING OR CONTROLLING COMBUSTION
5
Systems for controlling combustion
Applicants:
GAS RESEARCH INSTITUTE [US/US]; 8600 West Bryn Mawr Avenue Chicago, IL 60631, US
Inventors:
HURA, Harjit, S.; US
BREEN, Bernard, P.; US
Agent:
FEJER, Mark, E. ; Speckman Pauley Petersen & Fejer Suite 365 2800 West Higgins Road Hoffman Estates, IL 60195, US
Priority Data:
08/908,82408.08.1997US
Title (EN) NITROGEN OXIDE REDUCTION BY GASEOUS FUEL INJECTION IN LOW TEMPERATURE, OVERALL FUEL-LEAN FLUE GAS
(FR) REDUCTION DE L'OXYDE D'AZOTE AU MOYEN DE L'INJECTION DE COMBUSTIBLE GAZEUX DANS UN GAZ DE COMBUSTION A BASSE TEMPERATURE PAUVRE EN COMBUSTIBLE
Abstract:
(EN) 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.
(FR) 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.
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Designated States: AL, AM, AT, AU, AZ, BA, BB, BG, BR, BY, CA, CH, CN, CU, CZ, DE, DK, EE, ES, FI, GB, GE, GH, GM, HR, HU, ID, IL, IS, JP, KE, KG, KP, KR, KZ, LC, LK, LR, LS, LT, LU, LV, MD, MG, MK, MN, MW, MX, NO, NZ, PL, PT, RO, RU, SD, SE, SG, SI, SK, SL, TJ, TM, TR, TT, UA, UG, UZ, VN, YU, ZW
African Regional Intellectual Property Organization (ARIPO) (GH, GM, KE, LS, MW, SD, SZ, UG, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, MD, RU, TJ, TM)
European Patent Office (EPO) (AT, BE, CH, CY, DE, DK, ES, FI, FR, GB, GR, IE, IT, LU, MC, NL, PT, SE)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GW, ML, MR, NE, SN, TD, TG)
Publication Language: English (EN)
Filing Language: English (EN)