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1. WO2016180623 - LOW NOX COMBUSTION SYSTEM FOR TRAVELLING GRATE PELLETIZING PLANTS

Publication Number WO/2016/180623
Publication Date 17.11.2016
International Application No. PCT/EP2016/059165
International Filing Date 25.04.2016
Chapter 2 Demand Filed 20.02.2017
IPC
F23L 15/00 2006.1
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
23COMBUSTION APPARATUS; COMBUSTION PROCESSES
LSUPPLYING 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
15Heating of air supplied for combustion
F23C 6/04 2006.1
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
23COMBUSTION APPARATUS; COMBUSTION PROCESSES
CMETHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN AIR
6Combustion apparatus characterised by the combination of two or more combustion chambers
04in series connection
F23D 14/22 2006.1
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
23COMBUSTION APPARATUS; COMBUSTION PROCESSES
DBURNERS
14Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
20Non-premix gas burners, i.e. in which gaseous fuel is mixed with combustion air on arrival at the combustion zone
22with separate air and gas feed ducts, e.g. with ducts running parallel or crossing each other
F23D 99/00 2010.1
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
23COMBUSTION APPARATUS; COMBUSTION PROCESSES
DBURNERS
99Subject matter not provided for in other groups of this subclass
F23D 14/66 2006.1
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
23COMBUSTION APPARATUS; COMBUSTION PROCESSES
DBURNERS
14Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
46Details
66Preheating the combustion air or gas
CPC
F23C 2900/99001
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
23COMBUSTION APPARATUS; COMBUSTION PROCESSES
CMETHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN  ; A CARRIER GAS OR; AIR 
2900Special features of, or arrangements for combustion apparatus using fluid fuels or solid fuels suspended in air; Combustion processes therefor
99001Cold flame combustion or flameless oxidation processes
F23C 6/04
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
23COMBUSTION APPARATUS; COMBUSTION PROCESSES
CMETHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN  ; A CARRIER GAS OR; AIR 
6Combustion apparatus characterised by the combination of two or more combustion chambers ; or combustion zones, e.g. for staged combustion
04in series connection
F23D 14/22
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
23COMBUSTION APPARATUS; COMBUSTION PROCESSES
DBURNERS
14Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
20Non-premix gas burners, i.e. in which gaseous fuel is mixed with combustion air on arrival at the combustion zone
22with separate air and gas feed ducts, e.g. with ducts running parallel or crossing each other
F23D 14/66
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
23COMBUSTION APPARATUS; COMBUSTION PROCESSES
DBURNERS
14Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
46Details ; , e.g. noise reduction means
66Preheating the combustion air or gas
F23D 91/02
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
23COMBUSTION APPARATUS; COMBUSTION PROCESSES
DBURNERS
91Burners specially adapted for specific applications, not otherwise provided for
02for use in particular heating operations
F23L 15/00
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
23COMBUSTION APPARATUS; COMBUSTION PROCESSES
LSUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL 
15Heating of air supplied for combustion
Applicants
  • OUTOTEC (FINLAND) OY [FI]/[FI]
Inventors
  • MUNKO, Andreas
  • KÖHLER, Hartmut
  • MADUTA, Robert
Agents
  • KEIL & SCHAAFHAUSEN PATENT- UND RECHTSANWÄLTE PARTGMBB
Priority Data
10 2015 107 360.911.05.2015DE
Publication Language English (en)
Filing Language English (EN)
Designated States
Title
(EN) LOW NOX COMBUSTION SYSTEM FOR TRAVELLING GRATE PELLETIZING PLANTS
(FR) SYSTÈME DE COMBUSTION À FAIBLES ÉMISSIONS DE NOX POUR DES INSTALLATIONS DE PASTILLAGE À GRILLE MOBILE
Abstract
(EN) The above mentioned invention describes a method for combustion of gaseous or liquid fuel using a burner assembly (1). Therein fuel, cold primary air and preheated air are supplied to a pre-chamber (2), whereby the fuel and cold primary air being supplied through at least one fuel feed (4) and at least one primary air feed (5), and preheated combustion air is supplied to a combustion chamber (3). The preheated air and/or the cold primary air are injected parallel to the fuel into the pre-chamber (2).
(FR) La présente invention porte sur un procédé pour la combustion de combustible gazeux ou liquide à l’aide d’un ensemble brûleur (1). Selon l'invention, du combustible, de l’air primaire froid et de l’air préchauffé sont introduits dans une chambre préliminaire (2), le combustible et l’air primaire froid étant introduits par au moins une alimentation en combustible (4) et au moins une alimentation en air primaire (5) et de l’air de combustion préchauffé étant introduit dans une chambre de combustion (3). L’air préchauffé et/ou l’air primaire froid sont injectés parallèlement au combustible dans la chambre préliminaire (2).
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