EP4400766A4 - Brûleur à faibles émissions de nox et procédé de fonctionnement pour réduire la formation de nox appliqué dans le procédé de frittage et/ou de durcissement de boulettes de minerai de fer - Google Patents

Brûleur à faibles émissions de nox et procédé de fonctionnement pour réduire la formation de nox appliqué dans le procédé de frittage et/ou de durcissement de boulettes de minerai de fer

Info

Publication number
EP4400766A4
EP4400766A4 EP21956274.1A EP21956274A EP4400766A4 EP 4400766 A4 EP4400766 A4 EP 4400766A4 EP 21956274 A EP21956274 A EP 21956274A EP 4400766 A4 EP4400766 A4 EP 4400766A4
Authority
EP
European Patent Office
Prior art keywords
iron ore
ore pellet
operating method
pellet sintering
formation applied
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP21956274.1A
Other languages
German (de)
English (en)
Other versions
EP4400766A1 (fr
Inventor
David James Retallack
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fct Holdings Pty Ltd
Original Assignee
Fct Holdings Pty Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fct Holdings Pty Ltd filed Critical Fct Holdings Pty Ltd
Publication of EP4400766A1 publication Critical patent/EP4400766A1/fr
Publication of EP4400766A4 publication Critical patent/EP4400766A4/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/46—Details
    • F23D14/62—Mixing devices; Mixing tubes
    • F23D14/64—Mixing devices; Mixing tubes with injectors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN  A CARRIER GAS OR AIR 
    • F23C9/00—Combustion apparatus characterised by arrangements for returning combustion products or flue gases to the combustion chamber
    • F23C9/08—Combustion apparatus characterised by arrangements for returning combustion products or flue gases to the combustion chamber for reducing temperature in combustion chamber, e.g. for protecting walls of combustion chamber
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/20—Non-premix gas burners, i.e. in which gaseous fuel is mixed with combustion air on arrival at the combustion zone
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/20—Non-premix gas burners, i.e. in which gaseous fuel is mixed with combustion air on arrival at the combustion zone
    • F23D14/22—Non-premix gas burners, i.e. in which gaseous fuel is mixed with combustion air on arrival at the combustion zone with separate air and gas feed ducts, e.g. with ducts running parallel or crossing each other
    • F23D14/24—Non-premix gas burners, i.e. in which gaseous fuel is mixed with combustion air on arrival at the combustion zone with separate air and gas feed ducts, e.g. with ducts running parallel or crossing each other at least one of the fluids being submitted to a swirling motion
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/46—Details
    • F23D14/70—Baffles or like flow-disturbing devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D2900/00—Special features of, or arrangements for burners using fluid fuels or solid fuels suspended in a carrier gas
    • F23D2900/11401—Flame intercepting baffles forming part of burner head
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D2900/00—Special features of, or arrangements for burners using fluid fuels or solid fuels suspended in a carrier gas
    • F23D2900/21—Burners specially adapted for a particular use
    • F23D2900/21003—Burners specially adapted for a particular use for heating or re-burning air or gas in a duct

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacture And Refinement Of Metals (AREA)
EP21956274.1A 2021-09-09 2021-09-09 Brûleur à faibles émissions de nox et procédé de fonctionnement pour réduire la formation de nox appliqué dans le procédé de frittage et/ou de durcissement de boulettes de minerai de fer Withdrawn EP4400766A4 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/BR2021/050386 WO2023035050A1 (fr) 2021-09-09 2021-09-09 Brûleur à faibles émissions de nox et procédé de fonctionnement pour réduire la formation de nox appliqué dans le procédé de frittage et/ou de durcissement de boulettes de minerai de fer

Publications (2)

Publication Number Publication Date
EP4400766A1 EP4400766A1 (fr) 2024-07-17
EP4400766A4 true EP4400766A4 (fr) 2025-04-30

Family

ID=85506019

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21956274.1A Withdrawn EP4400766A4 (fr) 2021-09-09 2021-09-09 Brûleur à faibles émissions de nox et procédé de fonctionnement pour réduire la formation de nox appliqué dans le procédé de frittage et/ou de durcissement de boulettes de minerai de fer

Country Status (4)

Country Link
US (1) US20240159393A1 (fr)
EP (1) EP4400766A4 (fr)
AU (1) AU2021463384A1 (fr)
WO (1) WO2023035050A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52156104A (en) * 1976-06-22 1977-12-26 Kobe Steel Ltd Production of pellets
JP2005060762A (ja) * 2003-08-11 2005-03-10 Kobe Steel Ltd 鉄鉱石ペレットの製造方法および製造装置
CN105698172A (zh) * 2016-04-11 2016-06-22 徐州科融环境资源股份有限公司 一种花瓣形分级燃烧燃气低氮燃烧器
US20180363898A1 (en) * 2017-06-14 2018-12-20 Webster Combustion Technology Llc Vortex recirculating combustion burner head
CN110748880A (zh) * 2019-09-19 2020-02-04 上海诺特飞博燃烧设备有限公司 双气环喷射枪燃烧装置
CN212929995U (zh) * 2020-09-11 2021-04-09 黄湛明 一种链篦机-回转窑球团低NOx生产用中央烧嘴

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2676095A (en) 1948-01-14 1954-04-20 Erie Mining Co Indurating furnace and process
US3017920A (en) * 1959-02-26 1962-01-23 Eclipse Fuel Eng Co Ring burner with flame retention shield
US3568934A (en) * 1969-02-10 1971-03-09 Peabody Engineering Corp Gas ring for fuel burner
US3830172A (en) * 1973-07-16 1974-08-20 North American Mechanical Ltd Incinerator
JP3691448B2 (ja) * 2002-03-22 2005-09-07 リンナイ株式会社 バーナ
FR2848642B1 (fr) * 2002-12-17 2005-08-05 Service Nat Dit Gaz De France Bruleur a gaz a flamme interne, de compacite elevee
JP2008185054A (ja) 2007-01-26 2008-08-14 Yamaha Motor Co Ltd 樹脂ブロックベルトを有するベルト式無段変速機およびそれを備えた自動二輪車
JP4355748B2 (ja) 2008-03-27 2009-11-04 株式会社神戸製鋼所 鉄鉱石ペレットの製造方法
JP2010024477A (ja) 2008-07-16 2010-02-04 Kobe Steel Ltd 鉄鉱石ペレットの製造方法
JP5458860B2 (ja) 2009-12-15 2014-04-02 株式会社ニコン 撮像装置
JP5789883B2 (ja) 2011-12-05 2015-10-07 Ｐｒｉｍｅｔａｌｓ Ｔｅｃｈｎｏｌｏｇｉｅｓ Ｊａｐａｎ株式会社 部分還元鉄製造方法および部分還元鉄製造装置
EP2794823B1 (fr) 2011-12-21 2017-11-22 Kentucky-Tennessee Clay Co. Procédé pour le fonctionnement de chambres de combustion
KR101665066B1 (ko) 2014-11-24 2016-10-25 주식회사 포스코 소결장치 및 소결방법
CN208139271U (zh) * 2017-12-30 2018-11-23 福建华夏蓝天科技有限公司 一种低氮气体燃烧器
CN109323253A (zh) * 2018-09-07 2019-02-12 西安交通大学 一种均匀预混低NOx气体燃烧器
CN211399786U (zh) * 2019-12-23 2020-09-01 上海迎韦热能设备有限公司 一种用于低氮燃烧器的全预混装置
CN111397357A (zh) * 2020-03-20 2020-07-10 奉先华 一种立式环形竖窑
CN213237516U (zh) * 2020-09-24 2021-05-18 徐州亚华同创节能环保科技有限公司 一种耐高温放散燃烧器
CN112361335B (zh) * 2020-11-27 2024-07-26 华侨大学 一种基于多区域燃烧的燃烧器

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52156104A (en) * 1976-06-22 1977-12-26 Kobe Steel Ltd Production of pellets
JP2005060762A (ja) * 2003-08-11 2005-03-10 Kobe Steel Ltd 鉄鉱石ペレットの製造方法および製造装置
CN105698172A (zh) * 2016-04-11 2016-06-22 徐州科融环境资源股份有限公司 一种花瓣形分级燃烧燃气低氮燃烧器
US20180363898A1 (en) * 2017-06-14 2018-12-20 Webster Combustion Technology Llc Vortex recirculating combustion burner head
CN110748880A (zh) * 2019-09-19 2020-02-04 上海诺特飞博燃烧设备有限公司 双气环喷射枪燃烧装置
CN212929995U (zh) * 2020-09-11 2021-04-09 黄湛明 一种链篦机-回转窑球团低NOx生产用中央烧嘴

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2023035050A1 *

Also Published As

Publication number Publication date
US20240159393A1 (en) 2024-05-16
WO2023035050A1 (fr) 2023-03-16
EP4400766A1 (fr) 2024-07-17
AU2021463384A1 (en) 2023-09-28

Similar Documents

Publication Publication Date Title
MX2016000772A (es) Reduccion de oxido de hierro a hierro metalico usando gas de horno de coque y gas de horno de oxigeno para fabricacion de acero.
ZA200708298B (en) Operation of iron oxide recovery furnace for energy savings, volatile metal removal and slag control
GB202310083D0 (en) Saggar for sintering lithium transition metal oxide, and preparation method therefor
CR7798A (es) Sistema de control para controlar la alimentacion y quemado de un combustible pulverizado en un horno de fundicion de vidrio
EP1984530A4 (fr) Procede de reduction directe d'oxydes de fer en fer metallique utilisant du gaz de four a coke ou similaire
ZA202310333B (en) Operating method of a network of plants
EP3950965A4 (fr) Procédé de chauffage du foyer d'un haut-fourneau et lance de brûleur utilisée pour ledit procédé
ZA202310407B (en) A method for manufacturing direct reduced iron
EP4400766A4 (fr) Brûleur à faibles émissions de nox et procédé de fonctionnement pour réduire la formation de nox appliqué dans le procédé de frittage et/ou de durcissement de boulettes de minerai de fer
EA201792310A1 (ru) Способ и устройство для управления реакцией
UA106346C2 (ru) СПОСОБ ИЗГОТОВЛЕНИЯ ДЕТАЛИ С защитным покрытием (ВАРИАНТЫ) И ДЕТАЛЬ, изготовленная по этому способу
EP4141130A4 (fr) Procédé de fonctionnement de haut-fourneau et installation auxiliaire pour haut-fourneau
KR102524475B9 (ko) 저환원철, 소결광 및 코크스 혼합비 조절을 통한 수소기반 환원 제선공정용 슬래그 조성 제어 방법 및 그 슬래그 조성물
WO2012052252A3 (fr) Matériau de départ d'un assemblage par frittage et procédé de réalisation d'un assemblage par frittage
ZA202310357B (en) A method for manufacturing direct reduced iron
WO2013084067A3 (fr) Processus durable permettant la cogénération de fonte brute et d'énergie électrique en utilisant du bois comme combustible
BR112023018772A2 (pt) Pélete
WO2008096592A1 (fr) Four de réduction à sole tournante et sa méthode d'utilisation
EP4303327A4 (fr) Four électrique et procédé de production d'acier
Golmakani et al. Simultaneous energy saving and production rate improvement in pelletizing process by solid fuel addition
WO2023075371A3 (fr) Composition additive de ciment respectueuse de l'environnement pour la fixation d'ions de métaux lourds
MX2024007246A (es) Horno de atmosfera controlada.
MY199365A (en) Method for operating melting/refining furnace and melting/refining furnace
AU2022483532A1 (en) Method for determining high-temperature characteristics of iron ore pellets, method for producing iron ore pellets, and iron ore pellets
CA3271544A1 (en) Method for determining high-temperature characteristics of iron ore pellets, method for producing iron ore pellets, and iron ore pellets

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20231016

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
A4 Supplementary search report drawn up and despatched

Effective date: 20250402

RIC1 Information provided on ipc code assigned before grant

Ipc: F23D 14/02 20060101ALI20250327BHEP

Ipc: F23D 14/62 20060101ALI20250327BHEP

Ipc: F23D 14/64 20060101ALI20250327BHEP

Ipc: F23D 14/70 20060101AFI20250327BHEP

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20251025