ATE242339T1 - Verfahren zur herstellung von stahl im konverter unter druck - Google Patents

Verfahren zur herstellung von stahl im konverter unter druck

Info

Publication number: ATE242339T1
Authority: AT; Austria
Prior art keywords: converter; under pressure; producing steel; converter under; flow rate
Prior art date: 1997-03-21

Application number

AT98909768T

Other languages

English (en)

Inventor

Shinya Kitamura

Michitaka Matsuo

Kenichiro Naito

Original Assignee

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.)

1997-03-21

Filing date

1998-03-19

Publication date

2003-06-15

1997-03-21 Priority claimed from JP6714997A external-priority patent/JPH10259409A/ja

1997-03-21 Priority claimed from JP6715097A external-priority patent/JPH10259410A/ja

1998-03-19 Application filed by Nippon Steel Corp filed Critical Nippon Steel Corp

2003-06-15 Application granted granted Critical

2003-06-15 Publication of ATE242339T1 publication Critical patent/ATE242339T1/de

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
- 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
- C21C7/0081—Treating and handling under pressure
- 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
- C21C5/305—Afterburning

Landscapes

Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Materials Engineering (AREA)
Metallurgy (AREA)
Organic Chemistry (AREA)
Manufacturing & Machinery (AREA)
Carbon Steel Or Casting Steel Manufacturing (AREA)
Measuring Fluid Pressure (AREA)

AT98909768T 1997-03-21 1998-03-19 Verfahren zur herstellung von stahl im konverter unter druck ATE242339T1 (de)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
JP6714997A JPH10259409A (ja)	1997-03-21	1997-03-21	加圧転炉製鋼法
JP6715097A JPH10259410A (ja)	1997-03-21	1997-03-21	加圧転炉製鋼法
PCT/JP1998/001188 WO1998042879A1 (en)	1997-03-21	1998-03-19	Pressure converter steel making method

Publications (1)

Publication Number	Publication Date
ATE242339T1 true ATE242339T1 (de)	2003-06-15

Family

ID=26408328

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AT98909768T ATE242339T1 (de)	1997-03-21	1998-03-19	Verfahren zur herstellung von stahl im konverter unter druck

Country Status (8)

Country	Link
US (1)	US6284016B1 (de)
EP (2)	EP0974675B1 (de)
KR (1)	KR100357360B1 (de)
CN (1)	CN1080317C (de)
AT (1)	ATE242339T1 (de)
DE (1)	DE69815334T2 (de)
TW (1)	TW424111B (de)
WO (1)	WO1998042879A1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
AU747260B2 (en)	1997-07-25	2002-05-09	Nichia Chemical Industries, Ltd.	Nitride semiconductor device
JP3770014B2 (ja)	1999-02-09	2006-04-26	日亜化学工業株式会社	窒化物半導体素子
ATE452445T1 (de)	1999-03-04	2010-01-15	Nichia Corp	Nitridhalbleiterlaserelement
JP4273688B2 (ja) *	2000-11-16	2009-06-03	Ｊｆｅスチール株式会社	転炉吹錬方法
US8309231B2 (en)	2006-05-31	2012-11-13	Usg Interiors, Llc	Acoustical tile
TWI362769B (en)	2008-05-09	2012-04-21	Univ Nat Chiao Tung	Light emitting device and fabrication method therefor
CN114150102B (zh) *	2021-11-26	2023-05-02	德龙钢铁有限公司	基于复吹转炉熔池动态脱碳速率的烟道风机控制方法
CN117688819B (zh) *	2024-02-01	2024-04-26	北京科技大学	一种碳-氧反应作用下炼钢转炉熔池流场仿真方法及仿真系统

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS60197805A (ja) *	1984-03-22	1985-10-07	Nippon Steel Corp	転炉廃ガス処理装置の炉内圧制御方法
JPS62146210A (ja) *	1985-12-20	1987-06-30	Nippon Steel Corp	転炉廃ガス処理装置における炉内圧制御方法
JPS62263912A (ja) *	1986-05-08	1987-11-16	Nippon Kokan Kk <Nkk>	密閉転炉のｌｄｇ回収方法
JPH0860220A (ja) *	1994-08-22	1996-03-05	Nippon Steel Corp	低炭素鋼の効率的な転炉精錬方法
JPH09170011A (ja)	1995-12-20	1997-06-30	Nippon Steel Corp	高効率転炉製鋼法

1998
- 1998-03-19 EP EP98909768A patent/EP0974675B1/de not_active Expired - Lifetime
- 1998-03-19 DE DE69815334T patent/DE69815334T2/de not_active Expired - Fee Related
- 1998-03-19 US US09/381,359 patent/US6284016B1/en not_active Expired - Fee Related
- 1998-03-19 KR KR1019997008634A patent/KR100357360B1/ko not_active Expired - Fee Related
- 1998-03-19 EP EP02027939A patent/EP1291443A3/de not_active Withdrawn
- 1998-03-19 WO PCT/JP1998/001188 patent/WO1998042879A1/ja not_active Ceased
- 1998-03-19 AT AT98909768T patent/ATE242339T1/de not_active IP Right Cessation
- 1998-03-19 CN CN98803508A patent/CN1080317C/zh not_active Expired - Fee Related
- 1998-03-20 TW TW087104204A patent/TW424111B/zh not_active IP Right Cessation

Also Published As

Publication number	Publication date
EP0974675B1 (de)	2003-06-04
EP1291443A3 (de)	2003-06-04
US6284016B1 (en)	2001-09-04
EP0974675A4 (de)	2000-12-20
CN1251139A (zh)	2000-04-19
WO1998042879A1 (en)	1998-10-01
KR100357360B1 (ko)	2002-10-19
CN1080317C (zh)	2002-03-06
EP1291443A2 (de)	2003-03-12
DE69815334D1 (de)	2003-07-10
KR20010005571A (ko)	2001-01-15
EP0974675A1 (de)	2000-01-26
DE69815334T2 (de)	2004-09-09
TW424111B (en)	2001-03-01

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Legal Events

Date

Code

Title

Description

2004-01-15

UEP

Publication of translation of european patent specification

Ref document number: 0974675

Country of ref document: EP

2006-12-15

REN

Ceased due to non-payment of the annual fee