AU680268B2 - Steel manufacturing method using converter - Google Patents

Steel manufacturing method using converter

Info

Publication number
AU680268B2
AU680268B2 AU70831/94A AU7083194A AU680268B2 AU 680268 B2 AU680268 B2 AU 680268B2 AU 70831/94 A AU70831/94 A AU 70831/94A AU 7083194 A AU7083194 A AU 7083194A AU 680268 B2 AU680268 B2 AU 680268B2
Authority
AU
Australia
Prior art keywords
converter
steel manufacturing
steel
manufacturing
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
Application number
AU70831/94A
Other versions
AU7083194A (en
Inventor
Masayuki Arai
Hiroshi Hirata
Fumio Koizumi
Yoshiaki Kusano
Hirobumi Maede
Noriyuki Masumitsu
Yuji Ogawa
Hideaki Sasaki
Masataka Yano
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.)
Ikemizu Keiko
Maede Noriko
Maede Yoko
Nippon Steel Corp
Original Assignee
KEIKO IKEMIZU
NORIKO MAEDE
YOKO MAEDE
Nippon 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=27519242&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=AU680268(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from JP16256493A external-priority patent/JP2958842B2/en
Priority claimed from JP32908693A external-priority patent/JP2896838B2/en
Priority claimed from JP32908893A external-priority patent/JP2958848B2/en
Priority claimed from JP01102794A external-priority patent/JP3239197B2/en
Application filed by KEIKO IKEMIZU, NORIKO MAEDE, YOKO MAEDE, Nippon Steel Corp filed Critical KEIKO IKEMIZU
Publication of AU7083194A publication Critical patent/AU7083194A/en
Application granted granted Critical
Publication of AU680268B2 publication Critical patent/AU680268B2/en
Assigned to MAEDE, Yoko, NIPPON STEEL & SUMITOMO METAL CORPORATION, IKEMIZU, Keiko, MAEDE, Noriko reassignment MAEDE, Yoko Request to Amend Deed and Register Assignors: IKEMIZU, Keiko, MAEDE, Noriko, MAEDE, Yoko, NIPPON STEEL CORPORATION
Anticipated expiration legal-status Critical
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/28—Manufacture of steel in the converter
    • C21C5/30—Regulating or controlling the blowing
    • C21C5/34—Blowing through the bath
    • 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
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/28—Manufacture of steel in the converter
    • C21C5/30—Regulating or controlling the blowing
    • C21C5/35—Blowing from above and through the bath
    • 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
    • C21C1/02—Dephosphorising or desulfurising
    • 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
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/28—Manufacture of steel in the converter
    • 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
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/56—Manufacture of steel by other methods
    • C21C5/567—Manufacture of steel by other methods operating in a continuous way
    • 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
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/04—Removing impurities by adding a treating agent
    • C21C7/064—Dephosphorising; Desulfurising
    • 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
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/04—Removing impurities by adding a treating agent
    • C21C7/068—Decarburising
    • 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
    • F27D19/00—Arrangements of controlling devices
    • F27D2019/0028—Regulation
    • F27D2019/0075—Regulation of the charge quantity
    • 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
    • F27D19/00—Arrangements of controlling devices
    • F27D2019/0028—Regulation
    • F27D2019/0078—Regulation of the speed of the gas through the charge
    • 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
    • F27D27/00—Stirring devices for molten material
    • F27D2027/002—Gas stirring
AU70831/94A 1993-06-30 1994-06-30 Steel manufacturing method using converter Expired AU680268B2 (en)

Applications Claiming Priority (11)

Application Number Priority Date Filing Date Title
JP5-162564 1993-06-30
JP16256493A JP2958842B2 (en) 1993-06-30 1993-06-30 Converter refining method
JP16579093 1993-07-05
JP5-165790 1993-07-05
JP32908693A JP2896838B2 (en) 1993-12-24 1993-12-24 Molten steel manufacturing method
JP5-329088 1993-12-24
JP5-329086 1993-12-24
JP32908893A JP2958848B2 (en) 1993-12-24 1993-12-24 Hot metal dephosphorization method
JP01102794A JP3239197B2 (en) 1993-07-05 1994-02-02 Converter steelmaking method
JP6-11027 1994-02-02
PCT/JP1994/001070 WO1995001458A1 (en) 1993-06-30 1994-06-30 Steel manufacturing method using converter

Publications (2)

Publication Number Publication Date
AU7083194A AU7083194A (en) 1995-01-24
AU680268B2 true AU680268B2 (en) 1997-07-24

Family

ID=27519242

Family Applications (1)

Application Number Title Priority Date Filing Date
AU70831/94A Expired AU680268B2 (en) 1993-06-30 1994-06-30 Steel manufacturing method using converter

Country Status (9)

Country Link
EP (1) EP0714989B1 (en)
KR (1) KR0159180B1 (en)
CN (1) CN1041843C (en)
AU (1) AU680268B2 (en)
BR (1) BR9406985A (en)
CA (1) CA2166097C (en)
DE (1) DE69423630T2 (en)
ES (1) ES2143547T3 (en)
WO (1) WO1995001458A1 (en)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3940280B2 (en) * 2001-09-27 2007-07-04 新日本製鐵株式会社 How to remove hot metal
JP3854482B2 (en) * 2001-09-27 2006-12-06 新日本製鐵株式会社 Hot metal pretreatment method and refining method
DE10215839A1 (en) * 2002-04-10 2003-11-06 Sms Demag Ag Method and device for producing carbon steels or stainless steels by refining phosphorus-rich pig iron in an electric arc furnace or in a converter vessel
DE10215828B4 (en) * 2002-04-10 2007-08-02 Sms Demag Ag Method and device for producing stainless steel, in particular chromium- or chromium-nickel-containing stainless steel
EP1608652A1 (en) * 2003-03-31 2005-12-28 Vernalis (Cambridge) Limited Pyrazolopyrimidine compounds and their use in medicine
EP1524322A3 (en) * 2003-10-15 2006-08-02 Milan Adelt Method of liquid steel production with slag recycling in a converter, equipment to employ the method
KR100749023B1 (en) * 2006-05-26 2007-08-14 주식회사 포스코 Method for refining extra low phosphorous steel in converter
CN101864508B (en) * 2010-07-02 2012-10-24 张觉灵 Steel making method of convertor with small slag quantity
CN102071277B (en) * 2010-12-23 2012-10-24 攀钢集团钢铁钒钛股份有限公司 Converter dephosphorizing and steelmaking method
CN102168160B (en) * 2011-03-08 2013-04-17 武汉钢铁(集团)公司 Converter steelmaking technology for directly reducing-alloying manganese ore
JP5979017B2 (en) * 2012-01-19 2016-08-24 Ｊｆｅスチール株式会社 Hot metal refining method
WO2014112521A1 (en) * 2013-01-18 2014-07-24 Ｊｆｅスチール株式会社 Molten iron pre-treatment method
CN104451022B (en) * 2014-12-19 2016-03-16 山东钢铁股份有限公司 A kind of method reducing dephosphorization stove finishing slag all iron content
KR101660774B1 (en) 2015-07-09 2016-09-28 주식회사 포스코 The converter operation method
KR20180019745A (en) * 2016-01-28 2018-02-26 신닛테츠스미킨 카부시키카이샤 Disposal method, manufacturing method of slag and energy damping structure of slag
CN108779506B (en) * 2016-07-14 2023-07-25 日本制铁株式会社 Method for estimating phosphorus concentration in molten steel and converter blowing control device
CN106282487B (en) * 2016-09-13 2019-03-29 北京北科中钢工程技术有限公司 A kind of pre-dephosporizing method for molten iron
CN110621793A (en) * 2017-05-25 2019-12-27 杰富意钢铁株式会社 Smelting method of high manganese steel
CN109097523B (en) * 2018-08-31 2019-12-24 钢铁研究总院 Double-slag smelting process
CN114438276B (en) * 2022-02-11 2022-08-09 山东钢铁集团永锋临港有限公司 Method for shortening smelting period of converter

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0472007A (en) * 1990-07-10 1992-03-06 Nippon Steel Corp Production of molten steel
JPH05247511A (en) * 1992-03-04 1993-09-24 Nippon Steel Corp Method for dephosphorizing molten iron
JPH05247512A (en) * 1992-03-04 1993-09-24 Nippon Steel Corp Method for dephosphorizing molten iron

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU6823981A (en) * 1980-03-21 1981-10-15 Nippon Steel Corporation Multi-stage steel making
JPS58207314A (en) * 1982-05-28 1983-12-02 Sumitomo Metal Ind Ltd Refining method of steel
DE3316367A1 (en) * 1983-05-05 1984-11-08 Mannesmann AG, 4000 Düsseldorf METHOD AND DEVICE FOR PRODUCING STEEL
FR2558482B1 (en) * 1984-01-25 1989-10-27 Siderurgie Fse Inst Rech PROCESS FOR THE PREPARATION OF STEEL BY CAST IRON

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0472007A (en) * 1990-07-10 1992-03-06 Nippon Steel Corp Production of molten steel
JPH05247511A (en) * 1992-03-04 1993-09-24 Nippon Steel Corp Method for dephosphorizing molten iron
JPH05247512A (en) * 1992-03-04 1993-09-24 Nippon Steel Corp Method for dephosphorizing molten iron

Also Published As

Publication number Publication date
EP0714989A1 (en) 1996-06-05
EP0714989B1 (en) 2000-03-22
WO1995001458A1 (en) 1995-01-12
CN1128050A (en) 1996-07-31
ES2143547T3 (en) 2000-05-16
DE69423630T2 (en) 2000-11-09
EP0714989A4 (en) 1997-06-25
CN1041843C (en) 1999-01-27
CA2166097C (en) 2002-01-15
AU7083194A (en) 1995-01-24
KR0159180B1 (en) 1999-01-15
KR960703440A (en) 1996-08-17
DE69423630D1 (en) 2000-04-27
CA2166097A1 (en) 1995-01-12
BR9406985A (en) 1996-03-05

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