BR112018015789A2 - método para fornecimento de gás de redução que contenha hidrogênio à parte de cubo de um alto forno - Google Patents

método para fornecimento de gás de redução que contenha hidrogênio à parte de cubo de um alto forno

Info

Publication number
BR112018015789A2
BR112018015789A2 BR112018015789-9A BR112018015789A BR112018015789A2 BR 112018015789 A2 BR112018015789 A2 BR 112018015789A2 BR 112018015789 A BR112018015789 A BR 112018015789A BR 112018015789 A2 BR112018015789 A2 BR 112018015789A2
Authority
BR
Brazil
Prior art keywords
gas
blast furnace
reducing gas
hydrogen
supplying
Prior art date
Application number
BR112018015789-9A
Other languages
English (en)
Japanese (ja)
Other versions
BR112018015789B1 (pt
Inventor
Ito Nobuaki
Donomae Hitoshi
Suzuki Kimihito
Nakao Kenji
Isohara Toshio
Original Assignee
Nippon Steel & Sumitomo Metal Corporation
Jfe Steel Corporation
Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
Nisshin Steel Co., Ltd
Nippon Steel & Sumikin Engineering Co., 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 Nippon Steel & Sumitomo Metal Corporation, Jfe Steel Corporation, Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.), Nisshin Steel Co., Ltd, Nippon Steel & Sumikin Engineering Co., Ltd. filed Critical Nippon Steel & Sumitomo Metal Corporation
Publication of BR112018015789A2 publication Critical patent/BR112018015789A2/pt
Publication of BR112018015789B1 publication Critical patent/BR112018015789B1/pt

Links

Classifications

    • 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
    • C21B5/00—Making pig-iron in the blast furnace
    • C21B5/006—Automatically controlling the process
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B5/00—Making pig-iron in the blast furnace
    • C21B5/06—Making pig-iron in the blast furnace using top gas in the blast furnace process
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C1/00—Refining of pig-iron; Cast iron
    • C21C1/10—Making spheroidal graphite cast-iron
    • 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
    • C21B2005/005—Selection or treatment of the reducing gases
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
    • C21B2100/20—Increasing the gas reduction potential of recycled exhaust gases
    • C21B2100/22—Increasing the gas reduction potential of recycled exhaust gases by reforming
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
    • C21B2100/20—Increasing the gas reduction potential of recycled exhaust gases
    • C21B2100/26—Increasing the gas reduction potential of recycled exhaust gases by adding additional fuel in recirculation pipes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/10—Reduction of greenhouse gas [GHG] emissions
    • Y02P10/122—Reduction of greenhouse gas [GHG] emissions by capturing or storing CO2
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/25—Process efficiency

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacture Of Iron (AREA)

Abstract

a presente invenção refere a um método novo para fornecimento de um gás de redução à parte de um alto forno com o que uma grande quantidade de gás de redução contendo hidrogênio a uma alta concentração pode ser fornecido a uma posição mais profunda no alo forno (local do alto forno mais próximo do eixo central na direção radial) e com o que é possível reduzir a quantidade total gerada de co2 da quantidade de co2 que é reduzida conduzindo-se a fusão do hidrogênio no alto forno e da quantidade de co2 que é gerada durante a produção do gás de redução fornecido ao alto forno. o método para fornecer um gás de redução à parte de cubo de um alto forno de acordo com a presente invenção é caracterizado pela reforma do gás de forno de coque pelo aumento da sua temperatura até 1200 a 1800°c em um reator no qual um gás contendo oxigênio é fornecido ao gás de forno de coque preaquecido para gerar gás reformado no qual o gás hidrogênio é enriquecido; misturar gás reformado com um gás contendo co no reator de modo que a concentração de hidrogênio do gás de redução seja ajustada para 15 - 35% em volume (úmido) e fornecer o gás de redução resultante à parte de cubo do alto forno sob uma condição de que a razão da taxa de fluxo do gás de redução soprado na parte de cubo / taxa de fluxo de gás de redução soprado na ventaneira > 0,42.
BR112018015789-9A 2016-02-05 2016-02-05 Método para fornecimento de gás de redução que contenha hidrogênio à parte da cuba de um alto forno BR112018015789B1 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2016/053573 WO2017134829A1 (ja) 2016-02-05 2016-02-05 高炉シャフト部への水素含有還元ガス供給方法

Publications (2)

Publication Number Publication Date
BR112018015789A2 true BR112018015789A2 (pt) 2018-12-26
BR112018015789B1 BR112018015789B1 (pt) 2021-11-23

Family

ID=59500679

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112018015789-9A BR112018015789B1 (pt) 2016-02-05 2016-02-05 Método para fornecimento de gás de redução que contenha hidrogênio à parte da cuba de um alto forno

Country Status (7)

Country Link
US (1) US10961596B2 (pt)
EP (1) EP3412780B1 (pt)
KR (1) KR102135521B1 (pt)
CN (1) CN108699612B (pt)
BR (1) BR112018015789B1 (pt)
FI (1) FI3412780T3 (pt)
WO (1) WO2017134829A1 (pt)

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* Cited by examiner, † Cited by third party
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JP7105708B2 (ja) * 2019-02-18 2022-07-25 日本製鉄株式会社 還元ガスの吹込み量決定方法及び高炉の操業方法
LU101210B1 (en) * 2019-05-14 2020-11-16 Wurth Paul Sa Method for operating a metallurgical furnace
LU101227B1 (en) * 2019-05-21 2020-11-23 Wurth Paul Sa Method for Operating a Blast Furnace
CA3161120A1 (en) * 2019-11-29 2021-06-03 Nippon Steel Corporation Blast furnace operation method
US20240218471A1 (en) * 2021-06-28 2024-07-04 Jfe Steel Corporation Supplied heat quantity estimation method, supplied heat quantity estimation device, supplied heat quantity estimation program, and blast furnace operation method
KR20240006044A (ko) * 2021-06-28 2024-01-12 제이에프이 스틸 가부시키가이샤 공급 열량 추정 방법, 공급 열량 추정 장치, 공급 열량 추정 프로그램, 및 고로의 조업 방법
CN113502362A (zh) * 2021-07-07 2021-10-15 山西晋南钢铁集团有限公司 一种提高氢冶金高炉热量的方法
CN114438270B (zh) * 2022-01-25 2023-01-31 河钢集团有限公司 全氧富氢低碳还原熔化炼铁系统及炼铁方法
CN115305123B (zh) * 2022-07-27 2023-10-27 中钢设备有限公司 在dri预热过程中直接净化、还原焦炉煤气的方法及装置

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Also Published As

Publication number Publication date
EP3412780B1 (en) 2024-04-17
WO2017134829A1 (ja) 2017-08-10
KR20180109064A (ko) 2018-10-05
CN108699612A (zh) 2018-10-23
EP3412780A1 (en) 2018-12-12
CN108699612B (zh) 2020-08-18
US20190032160A1 (en) 2019-01-31
KR102135521B1 (ko) 2020-07-17
BR112018015789B1 (pt) 2021-11-23
US10961596B2 (en) 2021-03-30
EP3412780A4 (en) 2019-09-25
FI3412780T3 (fi) 2024-07-11

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Legal Events

Date Code Title Description
B25D Requested change of name of applicant approved

Owner name: JFE STEEL CORPORATION (JP) ; KABUSHIKI KAISHA KOBE

B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B350 Update of information on the portal [chapter 15.35 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 05/02/2016, OBSERVADAS AS CONDICOES LEGAIS.

B25D Requested change of name of applicant approved

Owner name: JFE STEEL CORPORATION (JP) ; KABUSHIKI KAISHA KOBE SEIKO SHO (KOBE STEEL, LTD.) (JP) ; NISSHIN STEEL CO., LTD (JP) ; NIPPON STEEL CORPORATION (JP) ; NIPPON STEEL ENGINEERING CO., LTD. (JP)

B25G Requested change of headquarter approved

Owner name: JFE STEEL CORPORATION (JP) ; KABUSHIKI KAISHA KOBE SEIKO SHO (KOBE STEEL, LTD.) (JP) ; NISSHIN STEEL CO., LTD (JP) ; NIPPON STEEL CORPORATION (JP) ; NIPPON STEEL ENGINEERING CO., LTD. (JP)