EP3889532A4 - Fluidized bed furnace - Google Patents

Fluidized bed furnace Download PDF

Info

Publication number
EP3889532A4
EP3889532A4 EP19889794.4A EP19889794A EP3889532A4 EP 3889532 A4 EP3889532 A4 EP 3889532A4 EP 19889794 A EP19889794 A EP 19889794A EP 3889532 A4 EP3889532 A4 EP 3889532A4
Authority
EP
European Patent Office
Prior art keywords
fluidized bed
bed furnace
furnace
fluidized
bed
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.)
Granted
Application number
EP19889794.4A
Other languages
German (de)
French (fr)
Other versions
EP3889532A1 (en
EP3889532B1 (en
Inventor
Chang Kuk Ko
Myoung Kyun Shin
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.)
Posco Holdings Inc
Original Assignee
Posco 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 Posco Co Ltd filed Critical Posco Co Ltd
Publication of EP3889532A1 publication Critical patent/EP3889532A1/en
Publication of EP3889532A4 publication Critical patent/EP3889532A4/en
Application granted granted Critical
Publication of EP3889532B1 publication Critical patent/EP3889532B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B15/00—Fluidised-bed furnaces; Other furnaces using or treating finely-divided materials in dispersion
    • F27B15/003—Cyclones or chain of cyclones
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B15/00—Fluidised-bed furnaces; Other furnaces using or treating finely-divided materials in dispersion
    • F27B15/02—Details, accessories, or equipment peculiar to furnaces of these types
    • F27B15/08—Arrangements of devices for charging
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/0033—In fluidised bed furnaces or apparatus containing a dispersion of the material
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/02—Making spongy iron or liquid steel, by direct processes in shaft furnaces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B15/00—Fluidised-bed furnaces; Other furnaces using or treating finely-divided materials in dispersion
    • F27B15/02—Details, accessories, or equipment peculiar to furnaces of these types
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B15/00—Fluidised-bed furnaces; Other furnaces using or treating finely-divided materials in dispersion
    • F27B15/02—Details, accessories, or equipment peculiar to furnaces of these types
    • F27B15/09—Arrangements of devices for discharging
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B15/00—Fluidised-bed furnaces; Other furnaces using or treating finely-divided materials in dispersion
    • F27B15/02—Details, accessories, or equipment peculiar to furnaces of these types
    • F27B15/10—Arrangements of air or gas supply devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Crucibles And Fluidized-Bed Furnaces (AREA)
  • Manufacture Of Iron (AREA)
EP19889794.4A 2018-11-26 2019-11-22 Fluidized bed furnace Active EP3889532B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020180147506A KR102090550B1 (en) 2018-11-26 2018-11-26 Fluidized furnace
PCT/KR2019/016101 WO2020111666A1 (en) 2018-11-26 2019-11-22 Fluidized bed furnace

Publications (3)

Publication Number Publication Date
EP3889532A1 EP3889532A1 (en) 2021-10-06
EP3889532A4 true EP3889532A4 (en) 2021-12-22
EP3889532B1 EP3889532B1 (en) 2023-05-10

Family

ID=69999403

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19889794.4A Active EP3889532B1 (en) 2018-11-26 2019-11-22 Fluidized bed furnace

Country Status (4)

Country Link
EP (1) EP3889532B1 (en)
KR (1) KR102090550B1 (en)
CN (1) CN113167534B (en)
WO (1) WO2020111666A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2022403347A1 (en) * 2021-11-30 2024-05-30 Nippon Steel Corporation Facility for producing reduced iron and method for producing reduced iron

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4886246A (en) * 1987-11-13 1989-12-12 Kawasaki Jukogyo Kabushiki Kaisha Metal-making apparatus involving the smelting reduction of metallic oxides
US6030432A (en) * 1995-03-17 2000-02-29 Voest-Alpine Industrieanlagenbau Gmbh Process for reducing ore fines and arrangement for carrying out the process
US20090008841A1 (en) * 2005-12-26 2009-01-08 Posco Apparatus for Manufacturing Molten Irons

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0689389B2 (en) * 1986-03-31 1994-11-09 新日本製鐵株式会社 Fluidized bed reduction method for ores
JPH0730375B2 (en) * 1992-08-04 1995-04-05 川崎重工業株式会社 Fluidized bed furnace
WO1998029574A1 (en) * 1996-12-28 1998-07-09 Pohang Iron & Steel Co., Ltd. Fluidized bed type reducing system for reducing fine iron ore
JPH11181510A (en) * 1997-12-17 1999-07-06 Kawasaki Heavy Ind Ltd Fluidized bed reduction furnace and method for reducing powdery and granular ore

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4886246A (en) * 1987-11-13 1989-12-12 Kawasaki Jukogyo Kabushiki Kaisha Metal-making apparatus involving the smelting reduction of metallic oxides
US6030432A (en) * 1995-03-17 2000-02-29 Voest-Alpine Industrieanlagenbau Gmbh Process for reducing ore fines and arrangement for carrying out the process
US20090008841A1 (en) * 2005-12-26 2009-01-08 Posco Apparatus for Manufacturing Molten Irons

Also Published As

Publication number Publication date
EP3889532A1 (en) 2021-10-06
CN113167534A (en) 2021-07-23
CN113167534B (en) 2023-09-01
WO2020111666A1 (en) 2020-06-04
KR102090550B1 (en) 2020-03-18
EP3889532B1 (en) 2023-05-10

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