CN101538639B - 含铬熔液的精炼装置 - Google Patents

含铬熔液的精炼装置 Download PDF

Info

Publication number: CN101538639B
Authority: CN; China
Prior art keywords: vacuum; refining; gas; mentioned; water
Prior art date: 2001-09-20
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 - Lifetime

Application number

CN2009101301344A

Other languages

English (en)

Chinese (zh)

Other versions

CN101538639A (zh

Inventor

山下幸介

中尾隆二

田中智昭

五十岚昌夫

吉野浩一郎

角真

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.)

Nippon Steel Corp

Nippon Steel Plant Designing Corp

Original Assignee

Nippon Steel Corp

Nippon Steel Engineering 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.)

2001-09-20

Filing date

2002-09-20

Publication date

2012-02-22

2001-09-20 Priority claimed from JP2001286695A external-priority patent/JP2003096515A/ja

2001-11-05 Priority claimed from JP2001339046A external-priority patent/JP4262428B2/ja

2001-12-25 Priority claimed from JP2001391274A external-priority patent/JP3922923B2/ja

2002-08-13 Priority claimed from JP2002235726A external-priority patent/JP3973512B2/ja

2002-09-20 Application filed by Nippon Steel Corp, Nippon Steel Engineering Co Ltd filed Critical Nippon Steel Corp

2009-09-23 Publication of CN101538639A publication Critical patent/CN101538639A/zh

2012-02-22 Application granted granted Critical

2012-02-22 Publication of CN101538639B publication Critical patent/CN101538639B/zh

2022-09-20 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

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Treatment Of Steel In Its Molten State (AREA)

CN2009101301344A 2001-09-20 2002-09-20 含铬熔液的精炼装置 Expired - Lifetime CN101538639B (zh)

Applications Claiming Priority (10)

Application Number	Priority Date	Filing Date	Title
JP2001286695A JP2003096515A (ja)	2001-09-20	2001-09-20	極低炭含クロム溶鋼の精錬方法
JP286694/2001		2001-09-20
JP286695/2001		2001-09-20
JP2001286694A JP4895446B2 (ja)	2001-09-20	2001-09-20	含クロム溶鋼の精錬方法
JP339046/2001		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
JP391274/2001		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
JP235726/2002		2002-08-13

Related Parent Applications (1)

Application Number	Title	Priority Date	Filing Date
CNA02818467XA Division CN1556865A (zh)	2001-09-20	2002-09-20	含铬熔液的精炼方法和精炼装置

Publications (2)

Publication Number	Publication Date
CN101538639A CN101538639A (zh)	2009-09-23
CN101538639B true CN101538639B (zh)	2012-02-22

Family

ID=19109626

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CN2009101301344A Expired - Lifetime CN101538639B (zh)	2001-09-20	2002-09-20	含铬熔液的精炼装置

Country Status (3)

Country	Link
JP (1)	JP4895446B2 (ja)
CN (1)	CN101538639B (ja)
ES (1)	ES2358891T3 (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN103293080B (zh) *	2013-05-29	2015-10-28	山西太钢不锈钢股份有限公司	结晶器保护渣粘度检测试样脱c热处理方法
CN108036648A (zh) *	2017-12-16	2018-05-15	江苏巨盈节能环保科技有限公司	高效电炉系统

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS56130421A (en) *	1980-03-14	1981-10-13	Nippon Steel Corp	Argon-oxygen blowing method using pressure reducing device
JPS61136611A (ja) *	1984-12-05	1986-06-24	Nippon Steel Corp	含クロム溶鋼の精錬法
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
JPH0885811A (ja) *	1994-09-20	1996-04-02	Nippon Steel Corp	含クロム溶鋼の精錬法
JPH0925508A (ja) *	1995-07-07	1997-01-28	Nippon Steel Corp	含クロム溶鋼の精錬方法

2001
- 2001-09-20 JP JP2001286694A patent/JP4895446B2/ja not_active Expired - Lifetime
2002
- 2002-09-20 ES ES02799368T patent/ES2358891T3/es not_active Expired - Lifetime
- 2002-09-20 CN CN2009101301344A patent/CN101538639B/zh not_active Expired - Lifetime

Also Published As

Publication number	Publication date
JP2003096514A (ja)	2003-04-03
ES2358891T3 (es)	2011-05-16
JP4895446B2 (ja)	2012-03-14
CN101538639A (zh)	2009-09-23

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Legal Events

Date	Code	Title	Description
2009-09-23	C06	Publication
2009-09-23	PB01	Publication
2009-11-11	C10	Entry into substantive examination
2009-11-11	SE01	Entry into force of request for substantive examination
2012-02-22	C14	Grant of patent or utility model
2012-02-22	GR01	Patent grant
2013-07-24	C56	Change in the name or address of the patentee	Owner name: NIPPON STEEL + SUMITOMO METAL CORPORATION Free format text: FORMER NAME: SHIN NIPPON STEEL LTD.
2013-07-24	CP01	Change in the name or title of a patent holder	Address after: Tokyo, Japan Patentee after: NIPPON STEEL & SUMITOMO METAL Corp. Patentee after: Nittetsu Plant Designing Corp. Address before: Tokyo, Japan Patentee before: NIPPON STEEL Corp. Patentee before: Nittetsu Plant Designing Corp.
2019-06-07	CP01	Change in the name or title of a patent holder	Address after: Tokyo, Japan Co-patentee after: Nittetsu Plant Designing Corp. Patentee after: NIPPON STEEL & SUMITOMO METAL Corp. Address before: Tokyo, Japan Co-patentee before: Nittetsu Plant Designing Corp. Patentee before: NIPPON STEEL & SUMITOMO METAL Corp.
2019-06-07	CP01	Change in the name or title of a patent holder
2022-10-11	CX01	Expiry of patent term	Granted publication date: 20120222
2022-10-11	CX01	Expiry of patent term