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1. WO2020089873 - DOUBLE SWIRL BURNER

Publication Number WO/2020/089873
Publication Date 07.05.2020
International Application No. PCT/IB2019/059421
International Filing Date 03.11.2019
IPC
F23R 3/04 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
23COMBUSTION APPARATUS; COMBUSTION PROCESSES
RGENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS
3Continuous combustion chambers using liquid or gaseous fuel
02characterised by the air-flow or gas-flow configuration
04Air inlet arrangements
F23C 7/00 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
23COMBUSTION APPARATUS; COMBUSTION PROCESSES
CMETHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN AIR
7Combustion apparatus characterised by arrangements for air supply
CPC
F23C 7/002
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 
7Combustion apparatus characterised by arrangements for air supply
002the air being submitted to a rotary or spinning motion
F23C 7/008
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 
7Combustion apparatus characterised by arrangements for air supply
008Flow control devices
F23D 14/24
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
24at least one of the fluids being submitted to a swirling motion
F23D 14/58
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
48Nozzles
58characterised by the shape or arrangement of the outlet or outlets from the nozzle, e.g. of annular configuration
F23D 14/60
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
60Devices for simultaneous control of gas and combustion air
F23N 2223/04
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
23COMBUSTION APPARATUS; COMBUSTION PROCESSES
NREGULATING OR CONTROLLING COMBUSTION
2223Signal processing; Details thereof
04Memory
Applicants
  • FAZLOLLAHI GHOMSHI, Alireza [IR]/[IR]
  • AZIZABADI FARAHANI, Saeed [IR]/[IR]
  • EIDI ATTARZADEH, Masoud [IR]/[IR]
  • TABEJAMAAT, Sadegh [IR]/[IR]
Inventors
  • FAZLOLLAHI GHOMSHI, Alireza
  • AZIZABADI FARAHANI, Saeed
  • EIDI ATTARZADEH, Masoud
  • TABEJAMAAT, Sadegh
Agents
  • IDESAZAN ASR AFTAB
Priority Data
62/755,43003.11.2018US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) DOUBLE SWIRL BURNER
(FR) BRÛLEUR À DOUBLE TOURBILLON
Abstract
(EN)
A double swirl burner including an annular air nozzle, an annular fuel nozzle coaxially disposed within the annular air nozzle, and a central air nozzle coaxially disposed within the annular fuel nozzle. An annular air nozzle may include at least one first inlet port on a peripheral wall of the annular air nozzle, where the first inlet port may be configured to allow for tangentially injecting a first air stream into the annular air nozzle. A first air stream may be tangent to a circular cross-section of the exemplary annular air nozzle, and a first axial inlet that may be configured to allow for axially injecting a second air stream into the annular air nozzle along a centerline of the annular air nozzle.
(FR)
L'invention concerne un brûleur à double tourbillon comprenant une buse annulaire d'air, une buse annulaire de combustible disposée de manière coaxiale à l'intérieur de la buse annulaire d'air, et une buse centrale d'air disposée de manière coaxiale à l'intérieur de la buse annulaire de combustible. Une buse annulaire d'air peut comprendre au moins un premier orifice d'entrée sur une paroi périphérique de la buse annulaire d'air, le premier orifice d'entrée pouvant être conçu pour permettre une injection tangentielle d'un premier courant d'air dans la buse annulaire d'air. Un premier courant d'air peut être tangent à une section transversale circulaire de la buse annulaire d'air donnée à titre d'exemple, et une première entrée axiale peut être conçue pour permettre une injection axiale d'un second courant d'air dans la buse annulaire d'air le long d'une ligne centrale de la buse annulaire d'air.
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