EP3896177A4 - Method for charging raw material into bell-less blast furnace, and blast furnace operation method - Google Patents

Method for charging raw material into bell-less blast furnace, and blast furnace operation method Download PDF

Info

Publication number
EP3896177A4
EP3896177A4 EP20755670.5A EP20755670A EP3896177A4 EP 3896177 A4 EP3896177 A4 EP 3896177A4 EP 20755670 A EP20755670 A EP 20755670A EP 3896177 A4 EP3896177 A4 EP 3896177A4
Authority
EP
European Patent Office
Prior art keywords
blast furnace
bell
raw material
charging raw
less
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
EP20755670.5A
Other languages
German (de)
French (fr)
Other versions
EP3896177A1 (en
EP3896177B1 (en
Inventor
Yasushi Ogasawara
Takeshi Sato
Kazuhira ICHIKAWA
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.)
JFE Steel Corp
Original Assignee
JFE Steel Corp
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 JFE Steel Corp filed Critical JFE Steel Corp
Publication of EP3896177A1 publication Critical patent/EP3896177A1/en
Publication of EP3896177A4 publication Critical patent/EP3896177A4/en
Application granted granted Critical
Publication of EP3896177B1 publication Critical patent/EP3896177B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B7/00—Blast furnaces
    • C21B7/18—Bell-and-hopper arrangements
    • C21B7/20—Bell-and-hopper arrangements with appliances for distributing the burden
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B5/00—Making pig-iron in the blast furnace
    • C21B5/008—Composition or distribution of the charge
    • 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
    • F27B1/00—Shaft or like vertical or substantially vertical furnaces
    • F27B1/10—Details, accessories, or equipment peculiar to furnaces of these types
    • F27B1/20—Arrangements of devices for charging
    • 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
    • F27D3/00—Charging; Discharging; Manipulation of charge
    • F27D3/0033—Charging; Discharging; Manipulation of charge charging of particulate material
    • 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
    • F27D3/00—Charging; Discharging; Manipulation of charge
    • F27D3/10—Charging directly from hoppers or shoots
EP20755670.5A 2019-02-15 2020-01-30 Method for charging raw material into bell-less blast furnace, and blast furnace operation method Active EP3896177B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2019025211 2019-02-15
PCT/JP2020/003337 WO2020166347A1 (en) 2019-02-15 2020-01-30 Method for charging raw material into bell-less blast furnace, and blast furnace operation method

Publications (3)

Publication Number Publication Date
EP3896177A1 EP3896177A1 (en) 2021-10-20
EP3896177A4 true EP3896177A4 (en) 2021-11-03
EP3896177B1 EP3896177B1 (en) 2023-06-07

Family

ID=72043985

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20755670.5A Active EP3896177B1 (en) 2019-02-15 2020-01-30 Method for charging raw material into bell-less blast furnace, and blast furnace operation method

Country Status (6)

Country Link
EP (1) EP3896177B1 (en)
JP (1) JP6943339B2 (en)
KR (1) KR102635629B1 (en)
CN (1) CN113423844A (en)
BR (1) BR112021015745A2 (en)
WO (1) WO2020166347A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112176136B (en) * 2020-09-24 2021-09-14 中南大学 Method and system for modeling movement locus of furnace charge on U-shaped chute of blast furnace

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58123808A (en) * 1982-01-14 1983-07-23 Sumitomo Metal Ind Ltd Charging method of raw material into blast furnace
US4941792A (en) * 1988-07-25 1990-07-17 Paul Wurth S.A. Handling device for a distribution chute of a shaft furnace and drive mechanism suitable for this device
JP2011140705A (en) * 2010-01-08 2011-07-21 Nippon Steel Corp Turning chute in bell-less type furnace-top charging apparatus for blast furnace and method for operating blast furnace
JP2012036425A (en) * 2010-08-04 2012-02-23 Sumitomo Metal Ind Ltd Bell-less blast furnace operation method
JP2015117388A (en) * 2013-12-16 2015-06-25 新日鐵住金株式会社 Raw material charging method

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5231682Y2 (en) * 1973-02-06 1977-07-19
JPS4911730U (en) * 1973-04-12 1974-01-31
JPS5575645U (en) * 1978-11-14 1980-05-24
JPH089150Y2 (en) * 1988-08-03 1996-03-13 新日本製鐵株式会社 Swivel chute for vertical furnace
JP3760016B2 (en) * 1997-03-03 2006-03-29 新日本製鐵株式会社 Furnace top charging equipment
JP3823485B2 (en) * 1997-04-07 2006-09-20 Ｊｆｅスチール株式会社 Rotating chute for bellless type furnace top charging equipment for blast furnace
JP3938616B2 (en) * 1997-08-14 2007-06-27 新日本製鐵株式会社 Swivel chute
JP2000119711A (en) * 1998-10-08 2000-04-25 Sumitomo Metal Ind Ltd Bell-less type raw material charging method in blast furnace
JP2003328018A (en) 2002-05-08 2003-11-19 Sumitomo Metal Ind Ltd Method for charging raw material into bellless blast furnace
JP2011063836A (en) * 2009-09-16 2011-03-31 Jfe Steel Corp Turning chute in bell-less type raw material charging apparatus for blast furnace
JP6327383B1 (en) 2017-05-16 2018-05-23 Ｊｆｅスチール株式会社 Charge distribution control method in blast furnace
CN207376079U (en) * 2017-09-28 2018-05-18 上海梅山钢铁股份有限公司 A kind of blast furnace material distribution chute

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58123808A (en) * 1982-01-14 1983-07-23 Sumitomo Metal Ind Ltd Charging method of raw material into blast furnace
US4941792A (en) * 1988-07-25 1990-07-17 Paul Wurth S.A. Handling device for a distribution chute of a shaft furnace and drive mechanism suitable for this device
JP2011140705A (en) * 2010-01-08 2011-07-21 Nippon Steel Corp Turning chute in bell-less type furnace-top charging apparatus for blast furnace and method for operating blast furnace
JP2012036425A (en) * 2010-08-04 2012-02-23 Sumitomo Metal Ind Ltd Bell-less blast furnace operation method
JP2015117388A (en) * 2013-12-16 2015-06-25 新日鐵住金株式会社 Raw material charging method

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2020166347A1 *

Also Published As

Publication number Publication date
BR112021015745A2 (en) 2021-10-26
EP3896177A1 (en) 2021-10-20
WO2020166347A1 (en) 2020-08-20
JPWO2020166347A1 (en) 2021-03-11
EP3896177B1 (en) 2023-06-07
CN113423844A (en) 2021-09-21
JP6943339B2 (en) 2021-09-29
KR102635629B1 (en) 2024-02-08
KR20210113339A (en) 2021-09-15

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