ES2174372T3 - Sistema de inyeccion de oxigeno caliente en un alto horno. - Google Patents

Sistema de inyeccion de oxigeno caliente en un alto horno.

Info

Publication number
ES2174372T3
ES2174372T3 ES98120329T ES98120329T ES2174372T3 ES 2174372 T3 ES2174372 T3 ES 2174372T3 ES 98120329 T ES98120329 T ES 98120329T ES 98120329 T ES98120329 T ES 98120329T ES 2174372 T3 ES2174372 T3 ES 2174372T3
Authority
ES
Spain
Prior art keywords
hot oxygen
injection system
high oven
oxygen injection
hot
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.)
Expired - Lifetime
Application number
ES98120329T
Other languages
English (en)
Inventor
Michael Francis Riley
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.)
Praxair Technology Inc
Original Assignee
Praxair Technology Inc
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 Praxair Technology Inc filed Critical Praxair Technology Inc
Application granted granted Critical
Publication of ES2174372T3 publication Critical patent/ES2174372T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B5/00—Making pig-iron in the blast furnace
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B5/00—Making pig-iron in the blast furnace
    • C21B5/001—Injecting additional fuel or reducing agents
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B7/00—Blast furnaces
    • C21B7/16—Tuyéres
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
    • F27D17/20—Arrangements for treatment or cleaning of waste gases

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacture Of Iron (AREA)
  • Blast Furnaces (AREA)
  • Air Supply (AREA)

Abstract

SE DESCRIBE UN PROCEDIMIENTO PARA PROPORCIONAR UNA CORRIENTE EN CHORRO EN UN ALTO HORNO, CARACTERIZADO PORQUE SE PROPORCIONAN AL AIRE DEL CHORRO COMBUSTIBLE Y OXIGENO CALIENTE, ENCONTRANDOSE EL OXIGENO CALIENTE A UNA TEMPERATURA Y VELOCIDAD SUPERIORES AMBAS A LA DEL AIRE DEL HORNO, Y CARACTERIZADO PORQUE EL COMBUSTIBLE Y EL OXIGENO CALIENTE EMPIEZAN LA COMBUSTION ANTES DE SU PASO AL ALTO HORNO A TRAVES DE LA CORRIENTE EN CHORRO.
ES98120329T 1997-10-29 1998-10-27 Sistema de inyeccion de oxigeno caliente en un alto horno. Expired - Lifetime ES2174372T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/959,841 US6090182A (en) 1997-10-29 1997-10-29 Hot oxygen blast furnace injection system

Publications (1)

Publication Number Publication Date
ES2174372T3 true ES2174372T3 (es) 2002-11-01

Family

ID=25502481

Family Applications (1)

Application Number Title Priority Date Filing Date
ES98120329T Expired - Lifetime ES2174372T3 (es) 1997-10-29 1998-10-27 Sistema de inyeccion de oxigeno caliente en un alto horno.

Country Status (11)

Country Link
US (1) US6090182A (es)
EP (1) EP0922772B1 (es)
JP (1) JP3766553B2 (es)
KR (1) KR100381931B1 (es)
CN (1) CN1080313C (es)
AU (1) AU734732B2 (es)
BR (1) BR9804292A (es)
CA (1) CA2251548C (es)
DE (1) DE69805739T2 (es)
ES (1) ES2174372T3 (es)
ID (1) ID21470A (es)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6206949B1 (en) * 1997-10-29 2001-03-27 Praxair Technology, Inc. NOx reduction using coal based reburning
JP5273166B2 (ja) * 2000-08-10 2013-08-28 Ｊｆｅスチール株式会社 微粉炭の多量吹込みによる高炉操業方法
US6835229B2 (en) 2002-01-22 2004-12-28 Isg Technologies Inc. Method and apparatus for clearing a powder accumulation in a powder delivery tube
EP1504219B1 (en) 2002-05-15 2016-08-10 Praxair Technology, Inc. Combustion with reduced carbon in the ash
US7225746B2 (en) * 2002-05-15 2007-06-05 Praxair Technology, Inc. Low NOx combustion
US7232542B2 (en) * 2004-04-05 2007-06-19 Aker Kvaerner Metals, Inc. Preheating cold blast air of a blast furnace for tempering the hot blast temperature
CA2577479C (en) * 2004-08-18 2010-08-03 L'air Liquide Societe Anonyme A Directoire Et Conseil De Surveillance Po Ur L'etude Et L'exploitation Des Procedes Georges Claude Method and apparatus for injecting a gas into a two-phase stream
US20070205543A1 (en) * 2006-03-06 2007-09-06 Lanyi Michael D Oxidant-swirled fossil fuel injector for a shaft furnace
CN101280348A (zh) * 2008-04-23 2008-10-08 沈阳东方钢铁有限公司 高温煤气高炉炼铁工艺
KR101009031B1 (ko) 2008-06-16 2011-01-18 주식회사 포스코 연료취입장치 및 이를 포함하는 용철제조장치
US8105074B2 (en) * 2008-06-30 2012-01-31 Praxair Technology, Inc. Reliable ignition of hot oxygen generator
JP5263430B2 (ja) 2011-07-15 2013-08-14 Ｊｆｅスチール株式会社 高炉操業方法
JP5974687B2 (ja) 2011-07-15 2016-08-23 Ｊｆｅスチール株式会社 高炉操業方法
CN102758048A (zh) * 2012-07-30 2012-10-31 中冶南方工程技术有限公司 原燃料热装、全热氧高炉与竖炉联合生产工艺
CN102758047A (zh) * 2012-07-30 2012-10-31 中冶南方工程技术有限公司 一种全热氧高炉与竖炉联合生产工艺
JP5958935B2 (ja) * 2012-08-13 2016-08-02 三菱重工業株式会社 銑鉄製造方法およびこれに使用する高炉設備
EP2719779A1 (en) 2012-10-12 2014-04-16 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Blast-furnace process with recycle of a CO-fraction of the blast furnace gas and production plant for same
EP2719777A1 (en) 2012-10-12 2014-04-16 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Blast-furnace process with coke-oven gas injection and production plant for same
EP2719776A1 (en) 2012-10-12 2014-04-16 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Blast furnace process using hot oxygen and plant for same
EP2719778A1 (en) 2012-10-12 2014-04-16 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Blast-furnace process with CO2-lean blast furnace gas recycle and production plant for same
KR20180119713A (ko) * 2014-08-27 2018-11-02 제이에프이 스틸 가부시키가이샤 산소 고로로의 미분탄 취입 방법
KR102158227B1 (ko) * 2018-08-02 2020-09-21 주식회사 포스코 풍구 수취입 장치

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3089766A (en) * 1958-01-27 1963-05-14 Chemetron Corp Controlled chemistry cupola
US3214266A (en) * 1962-06-28 1965-10-26 Texaco Development Corp Blast furnace reduction of metal oxides
FR1379127A (fr) * 1963-10-22 1964-11-20 Procédé et dispositif pour injecter séparément l'oxygène dans un haut fourneau sans modification de la construction
CA978354A (en) * 1972-10-19 1975-11-25 Black, Sivalls And Bryson Method and apparatus for generating a heated oxygen enriched gas stream
US4324583A (en) * 1981-01-21 1982-04-13 Union Carbide Corporation Supersonic injection of oxygen in cupolas
GB8506655D0 (en) * 1985-03-14 1985-04-17 British Steel Corp Smelting shaft furnaces
JPS6227509A (ja) * 1985-07-26 1987-02-05 Nippon Kokan Kk <Nkk> 高炉操業方法
JPS62290841A (ja) * 1986-06-10 1987-12-17 Nippon Kokan Kk <Nkk> 含クロム銑の製造方法
BE1001238A6 (fr) * 1987-12-03 1989-08-29 Centre Rech Metallurgique Procede de reduction des minerais dans un four a cuve.
JPH0212105A (ja) * 1988-06-29 1990-01-17 Nec Corp 複屈折回折格子型偏光子
JPH0215105A (ja) * 1988-07-01 1990-01-18 Nkk Corp 高炉の微粉炭吹込み方法
JPH0778246B2 (ja) * 1988-08-18 1995-08-23 新日本製鐵株式会社 高炉への微粉炭吹込み方法
ES2123018T3 (es) * 1992-07-01 1999-01-01 Wurth Paul Sa Dispositivo para la inyeccion de carbon pulverizado en un crisol de alto horno.
US5266024A (en) * 1992-09-28 1993-11-30 Praxair Technology, Inc. Thermal nozzle combustion method
FR2702221B1 (fr) * 1993-03-03 1995-04-28 Air Liquide Procédé d'obtention de métal au haut-fourneau ou au cubilot.
US5582036A (en) * 1995-08-30 1996-12-10 Praxair Technology, Inc. Cryogenic air separation blast furnace system

Also Published As

Publication number Publication date
KR100381931B1 (ko) 2003-06-18
DE69805739D1 (de) 2002-07-11
JP3766553B2 (ja) 2006-04-12
EP0922772A1 (en) 1999-06-16
EP0922772B1 (en) 2002-06-05
AU734732B2 (en) 2001-06-21
CA2251548C (en) 2003-04-15
JPH11199907A (ja) 1999-07-27
CA2251548A1 (en) 1999-04-29
CN1080313C (zh) 2002-03-06
AU8954698A (en) 1999-05-20
BR9804292A (pt) 1999-12-21
ID21470A (id) 1999-06-17
US6090182A (en) 2000-07-18
KR19990037405A (ko) 1999-05-25
CN1219595A (zh) 1999-06-16
DE69805739T2 (de) 2003-01-02

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