WO2003027335A1 - Procede d'affinage de fer en fusion contenant du chrome - Google Patents

Procede d'affinage de fer en fusion contenant du chrome Download PDF

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Publication number
WO2003027335A1
WO2003027335A1 PCT/JP2002/009701 JP0209701W WO03027335A1 WO 2003027335 A1 WO2003027335 A1 WO 2003027335A1 JP 0209701 W JP0209701 W JP 0209701W WO 03027335 A1 WO03027335 A1 WO 03027335A1
Authority
WO
WIPO (PCT)
Prior art keywords
molten iron
refining
containing chromium
blowing
iron containing
Prior art date
Application number
PCT/JP2002/009701
Other languages
English (en)
French (fr)
Inventor
Kosuke Yamashita
Ryuji Nakao
Tomoaki Tanaka
Masao Igarashi
Koichiro Yoshino
Makoto Sumi
Original Assignee
Nippon Steel Corporation
Nittetsu Plant Designing Corporation
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
Priority claimed from JP2001286694A external-priority patent/JP4895446B2/ja
Priority claimed from JP2001286695A external-priority patent/JP2003096515A/ja
Priority claimed from JP2001339046A external-priority patent/JP4262428B2/ja
Priority claimed from JP2001391274A external-priority patent/JP3922923B2/ja
Priority claimed from JP2002235726A external-priority patent/JP3973512B2/ja
Priority to KR1020047004145A priority Critical patent/KR100662895B1/ko
Priority to BRPI0216050A priority patent/BRPI0216050B1/pt
Priority to EP02799368A priority patent/EP1431404B1/en
Priority to BRPI0212732-6B1A priority patent/BR0212732B1/pt
Application filed by Nippon Steel Corporation, Nittetsu Plant Designing Corporation filed Critical Nippon Steel Corporation
Priority to DE60238776T priority patent/DE60238776D1/de
Priority to US10/490,459 priority patent/US20040245682A1/en
Publication of WO2003027335A1 publication Critical patent/WO2003027335A1/ja
Priority to US11/712,778 priority patent/US7497987B2/en

Links

Classifications

    • 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
    • F27D3/16—Introducing a fluid jet or current into the charge
    • 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
    • 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
    • C21C5/005—Manufacture of stainless steel
    • 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
    • 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
    • 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
    • C21C7/0685—Decarburising of stainless steel
    • 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
    • C21C7/10—Handling in a vacuum
    • 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
    • F27D3/0025—Charging or loading melting furnaces with material in the solid state
    • 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
    • F27D3/0025—Charging or loading melting furnaces with material in the solid state
    • F27D3/0032—Charging or loading melting furnaces with material in the solid state using an air-lock
    • 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
    • F27D17/001—Extraction of waste gases, collection of fumes and hoods used therefor
    • 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
    • F27D17/004—Systems for reclaiming waste heat
    • 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
    • F27D3/16—Introducing a fluid jet or current into the charge
    • F27D2003/162—Introducing a fluid jet or current into the charge the fluid being an oxidant or a fuel
    • F27D2003/163—Introducing a fluid jet or current into the charge the fluid being an oxidant or a fuel the fluid being an oxidant
    • F27D2003/164—Oxygen
    • 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
    • F27D3/16—Introducing a fluid jet or current into the charge
    • F27D2003/166—Introducing a fluid jet or current into the charge the fluid being a treatment gas
    • 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
    • F27D3/16—Introducing a fluid jet or current into the charge
    • F27D2003/168—Introducing a fluid jet or current into the charge through a lance
PCT/JP2002/009701 2001-09-20 2002-09-20 Procede d'affinage de fer en fusion contenant du chrome WO2003027335A1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
US10/490,459 US20040245682A1 (en) 2001-09-20 2002-09-20 Method for refining molten iron containing chromium
DE60238776T DE60238776D1 (de) 2001-09-20 2002-09-20 Verfahren zum raffinieren von chromhaltigem schmelzflüssigem eisen
KR1020047004145A KR100662895B1 (ko) 2001-09-20 2002-09-20 함(含)크롬 용탕의 정련 방법 및 정련 장치
BRPI0212732-6B1A BR0212732B1 (pt) 2001-09-20 2002-09-20 método de refino de etapas múltiplas pelo sopro de gás para o refino de um aço ao cromo fundido em um vaso de refino
EP02799368A EP1431404B1 (en) 2001-09-20 2002-09-20 Method for refining molten iron containing chromium
BRPI0216050A BRPI0216050B1 (pt) 2001-09-20 2002-09-20 aparelho de refino para aços ao cromo fundidos
US11/712,778 US7497987B2 (en) 2001-09-20 2007-02-28 Refining method and refining apparatus for chromium-contained molten steel

Applications Claiming Priority (10)

Application Number Priority Date Filing Date Title
JP2001286694A JP4895446B2 (ja) 2001-09-20 2001-09-20 含クロム溶鋼の精錬方法
JP2001/286695 2001-09-20
JP2001286695A JP2003096515A (ja) 2001-09-20 2001-09-20 極低炭含クロム溶鋼の精錬方法
JP2001/286694 2001-09-20
JP2001/339046 2001-11-05
JP2001339046A JP4262428B2 (ja) 2001-11-05 2001-11-05 冶金炉における水漏れ検知方法
JP2001/391274 2001-12-25
JP2001391274A JP3922923B2 (ja) 2001-12-25 2001-12-25 真空排気設備における真空度制御方法及び装置
JP2002235726A JP3973512B2 (ja) 2002-08-13 2002-08-13 真空排気装置の戻水貯水槽内ガスの換気方法及び戻水貯水槽の水封蓋
JP2002/235726 2002-08-13

Related Child Applications (2)

Application Number Title Priority Date Filing Date
US10490459 A-371-Of-International 2002-09-20
US11/712,778 Division US7497987B2 (en) 2001-09-20 2007-02-28 Refining method and refining apparatus for chromium-contained molten steel

Publications (1)

Publication Number Publication Date
WO2003027335A1 true WO2003027335A1 (fr) 2003-04-03

Family

ID=27532002

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2002/009701 WO2003027335A1 (fr) 2001-09-20 2002-09-20 Procede d'affinage de fer en fusion contenant du chrome

Country Status (8)

Country Link
US (2) US20040245682A1 (ja)
EP (1) EP1431404B1 (ja)
KR (1) KR100662895B1 (ja)
CN (1) CN1556865A (ja)
BR (2) BRPI0216050B1 (ja)
DE (1) DE60238776D1 (ja)
TW (1) TW564262B (ja)
WO (1) WO2003027335A1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022130473A1 (ja) * 2020-12-14 2022-06-23 日鉄ステンレス株式会社 含クロム溶鋼の精錬方法

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KR100922061B1 (ko) * 2007-12-12 2009-10-16 주식회사 포스코 극저탄소 페라이트계 스테인리스강 제조방법
CN102296155B (zh) * 2011-01-10 2013-03-27 沈阳铸造研究所 一种aod阀架配气系统
CN102706146B (zh) * 2012-06-18 2015-06-03 中国恩菲工程技术有限公司 一种底吹熔炼设备
DE102013014856A1 (de) * 2013-04-15 2014-10-16 Sms Siemag Ag Verfahren und Anlage zur Herstellung von Ferrolegierungen mit niedrigem Kohlenstoffgehalt in einem Vakuum-Konverter
DE102014201827A1 (de) * 2013-11-27 2015-05-28 Sms Siemag Ag Verfahren zur Steuerung des Entkohlungsreaktionspotentials einer kohlenstoffhaltigen Metallschmelze während einer Sauerstoff-Inertgas-Blas- und Vakuumbehandlung
KR101634735B1 (ko) * 2015-07-29 2016-06-29 주식회사 포스코 진공 탈가스 설비 및 이를 이용한 용강 정련 방법
CN105256105B (zh) * 2015-11-17 2017-05-17 莱芜钢铁集团有限公司 一种rh真空精炼防爆装置及其控制方法
EP3505471A1 (en) * 2016-01-06 2019-07-03 Oren Technologies, LLC Conveyor with integrated dust collector system
DE102020200571A1 (de) 2020-01-20 2021-07-22 Sms Group Gmbh Vorrichtung und Verfahren zum Betreiben der Vorrichtung
CN111485115B (zh) * 2020-06-03 2021-12-07 云南钛业股份有限公司 一种通过调节电子束冷床炉真空度控制Al元素挥发的方法
CN112514826B (zh) * 2020-12-16 2023-07-21 真木农业设备（安徽）有限公司 一种鸡舍饮水和自动喷淋装置
EP4056720A1 (de) 2021-03-08 2022-09-14 SMS Group GmbH Verfahren zum herstellen einer ferrolegierung mit niedrigem kohlenstoffgehalt
EP4056721A1 (de) 2021-03-08 2022-09-14 SMS Group GmbH Verfahren zum herstellen einer ferrolegierung mit niedrigem kohlenstoffgehalt
DE102021214218A1 (de) 2021-03-08 2022-09-08 Sms Group Gmbh Verfahren zum Herstellen einer Ferrolegierung mit niedrigem Kohlenstoffgehalt
DE102021214220A1 (de) 2021-03-08 2022-09-08 Sms Group Gmbh Verfahren zum Herstellen einer Ferrolegierung mit niedrigem Kohlenstoffgehalt
CN113106187A (zh) * 2021-03-22 2021-07-13 张家港宏昌钢板有限公司 一种改善if钢水口堵塞的精炼双联生产方法
CN113430336B (zh) * 2021-06-18 2022-11-18 首钢集团有限公司 一种利用co2进行rh高效精炼的操作方法
DE102022001718A1 (de) 2022-05-16 2023-11-16 CTH Conrads Technologie und Holding AG Verfahren und Vorrichtung zur Detektion einer Wasserleckage in einem metallurgischen Schmelzofen

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JPH03211216A (ja) * 1990-01-12 1991-09-17 Sumitomo Metal Ind Ltd 高Ａｌ含有ステンレス鋼の精錬方法
JPH0873924A (ja) * 1994-09-02 1996-03-19 Nippon Steel Corp 含クロム溶鋼の精錬法
JPH101716A (ja) * 1996-06-13 1998-01-06 Daido Steel Co Ltd 減圧精錬炉の減圧装置

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JP3044642B2 (ja) 1993-05-17 2000-05-22 新日本製鐵株式会社 含クロム溶鋼の脱炭精錬法
JPH06330143A (ja) 1993-05-18 1994-11-29 Nippon Steel Corp 含クロム溶鋼の減圧脱炭処理方法
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JP3531218B2 (ja) * 1994-06-20 2004-05-24 大同特殊鋼株式会社 低炭素含クロム鋼の製造方法
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JPH09287016A (ja) 1996-04-19 1997-11-04 Nippon Steel Corp ステンレス鋼溶製方法

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Publication number Priority date Publication date Assignee Title
JPH03211216A (ja) * 1990-01-12 1991-09-17 Sumitomo Metal Ind Ltd 高Ａｌ含有ステンレス鋼の精錬方法
JPH0873924A (ja) * 1994-09-02 1996-03-19 Nippon Steel Corp 含クロム溶鋼の精錬法
JPH101716A (ja) * 1996-06-13 1998-01-06 Daido Steel Co Ltd 減圧精錬炉の減圧装置

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Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022130473A1 (ja) * 2020-12-14 2022-06-23 日鉄ステンレス株式会社 含クロム溶鋼の精錬方法

Also Published As

Publication number Publication date
TW564262B (en) 2003-12-01
DE60238776D1 (de) 2011-02-10
US20070152386A1 (en) 2007-07-05
CN1556865A (zh) 2004-12-22
KR20040029487A (ko) 2004-04-06
US7497987B2 (en) 2009-03-03
BR0212732B1 (pt) 2013-07-02
BRPI0216050B1 (pt) 2015-12-29
EP1431404B1 (en) 2010-12-29
KR100662895B1 (ko) 2007-01-02
BR0212732A (pt) 2004-10-05
EP1431404A4 (en) 2008-06-25
EP1431404A1 (en) 2004-06-23
US20040245682A1 (en) 2004-12-09

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