EP0273420A3 - A blast furnace - Google Patents

A blast furnace Download PDF

Info

Publication number: EP0273420A3
Authority: EP; European Patent Office
Prior art keywords: blast furnace; blast; furnace
Prior art date: 1986-12-27
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

EP87119248A

Other versions

EP0273420B1 (en

EP0273420A2 (en

Inventor

Yotaro Patent & License And Quality Oono

Hirohisa Patent & License And Quality Hotta

Kazumasa Patent & License And Quality Wakimoto

Hitoshi Patent & License And Quality Kawada

Kazuhiko Patent & License And Quality Tsujimoto

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 Engineering Corp

Original Assignee

Nippon Kokan 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.)

1986-12-27

Filing date

1987-12-28

Publication date

1988-08-03

1986-12-27 Priority claimed from JP30913386A external-priority patent/JPH0619090B2/en

1987-01-06 Priority claimed from JP62000222A external-priority patent/JPS63169312A/en

1987-01-09 Priority claimed from JP62001853A external-priority patent/JPS63171815A/en

1987-12-28 Application filed by Nippon Kokan Ltd filed Critical Nippon Kokan Ltd

1988-07-06 Publication of EP0273420A2 publication Critical patent/EP0273420A2/en

1988-08-03 Publication of EP0273420A3 publication Critical patent/EP0273420A3/en

1993-09-22 Application granted granted Critical

1993-09-22 Publication of EP0273420B1 publication Critical patent/EP0273420B1/en

2007-12-28 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Classifications

- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B7/00—Blast furnaces
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B5/00—Making pig-iron in the blast furnace

Landscapes

Engineering & Computer Science (AREA)
Chemical & Material Sciences (AREA)
Manufacturing & Machinery (AREA)
Materials Engineering (AREA)
Metallurgy (AREA)
Organic Chemistry (AREA)
Vertical, Hearth, Or Arc Furnaces (AREA)
Manufacture Of Iron (AREA)
Furnace Details (AREA)
Blast Furnaces (AREA)
Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)

EP87119248A 1986-12-27 1987-12-28 A blast furnace method Expired - Lifetime EP0273420B1 (en)

Applications Claiming Priority (6)

Application Number	Priority Date	Filing Date	Title
JP309133/86		1986-12-27
JP30913386A JPH0619090B2 (en)	1986-12-27	1986-12-27	Oxygen blast furnace
JP222/87		1987-01-06
JP62000222A JPS63169312A (en)	1987-01-06	1987-01-06	Structure of oxygen blast furnace
JP1853/87		1987-01-09
JP62001853A JPS63171815A (en)	1987-01-09	1987-01-09	oxygen blast furnace

Publications (3)

Publication Number	Publication Date
EP0273420A2 EP0273420A2 (en)	1988-07-06
EP0273420A3 true EP0273420A3 (en)	1988-08-03
EP0273420B1 EP0273420B1 (en)	1993-09-22

Family

ID=27274356

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP87119248A Expired - Lifetime EP0273420B1 (en)	1986-12-27	1987-12-28	A blast furnace method

Country Status (5)

Country	Link
EP (1)	EP0273420B1 (en)
KR (1)	KR930004473B1 (en)
CN (1)	CN1007161B (en)
AU (1)	AU596253B2 (en)
DE (1)	DE3787518T2 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4844737A (en) *	1986-12-27	1989-07-04	Nippon Kokan Kabushiki Kaisha	Method for operating a blast furnance by blowing pulverized coal
KR100826963B1 (en) *	2001-11-13	2008-05-02	주식회사 포스코	How to manage the blast furnace core temperature
JP4743332B2 (en) *	2009-04-30	2011-08-10	Ｊｆｅスチール株式会社	Blast furnace operation method
JP4697340B2 (en) *	2009-05-29	2011-06-08	Ｊｆｅスチール株式会社	Blast furnace operation method
CN114134271B (en) *	2021-12-03	2022-12-06	昌黎县兴国精密机件有限公司	A blowing control device and method for blast furnace low-carbon smelting

Citations (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR869065A (en) *	1940-01-13	1942-01-23	Lindes Eismaschinen Ag	Ore processing process
DE743376C (en) *	1939-05-20	1944-01-11	Roechlingsche Eisen & Stahl	Process for the refining of iron ores
CH254586A (en) *	1947-01-17	1948-05-15	Von Roll Ag	Method and furnace for smelting iron ore with an oxygen-enriched wind.
GB668218A (en) *	1948-12-14	1952-03-12	Bleloch William	Improvements in the smelting of metallic oxides in a blast furnace
US2593257A (en) *	1948-08-26	1952-04-15	Standard Oil Dev Co	Blast furnace operation
GB674546A (en) *	1949-05-19	1952-06-25	Ruhrgas Ag	Process for the simultaneous production of metals and rich gas
DE763817C (en) *	1939-03-21	1954-07-12	Thyssen Sche Gas U Wasserwerke	Process for refining iron ores mixed with solid fuel and additives in a blast furnace
US3364009A (en) *	1964-03-12	1968-01-16	Kemmetmuller Roland	Method for the production of iron and steel
US3423080A (en) *	1963-11-06	1969-01-21	Interlake Steel Corp	Electric arc furnace
FR2156456A1 (en) *	1971-10-20	1973-06-01	Nippon Kokan Kk	Blast furnace combined operation - by blowing a reducing gas and an oxygen enriched flux
BE817647R (en) *	1974-07-15	1974-11-04		Re-use of carbon monoxide from blast-furnace exhaust gas - returned to burners with fuel oil and oxygen, thus reducing amt. of coke required

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4844737A (en) *	1986-12-27	1989-07-04	Nippon Kokan Kabushiki Kaisha	Method for operating a blast furnance by blowing pulverized coal

1987
- 1987-12-22 AU AU82946/87A patent/AU596253B2/en not_active Ceased
- 1987-12-26 CN CN87105991A patent/CN1007161B/en not_active Expired
- 1987-12-26 KR KR1019870014984A patent/KR930004473B1/en not_active Expired - Fee Related
- 1987-12-28 DE DE87119248T patent/DE3787518T2/en not_active Expired - Fee Related
- 1987-12-28 EP EP87119248A patent/EP0273420B1/en not_active Expired - Lifetime

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE763817C (en) *	1939-03-21	1954-07-12	Thyssen Sche Gas U Wasserwerke	Process for refining iron ores mixed with solid fuel and additives in a blast furnace
DE743376C (en) *	1939-05-20	1944-01-11	Roechlingsche Eisen & Stahl	Process for the refining of iron ores
FR869065A (en) *	1940-01-13	1942-01-23	Lindes Eismaschinen Ag	Ore processing process
CH254586A (en) *	1947-01-17	1948-05-15	Von Roll Ag	Method and furnace for smelting iron ore with an oxygen-enriched wind.
US2593257A (en) *	1948-08-26	1952-04-15	Standard Oil Dev Co	Blast furnace operation
GB668218A (en) *	1948-12-14	1952-03-12	Bleloch William	Improvements in the smelting of metallic oxides in a blast furnace
GB674546A (en) *	1949-05-19	1952-06-25	Ruhrgas Ag	Process for the simultaneous production of metals and rich gas
US3423080A (en) *	1963-11-06	1969-01-21	Interlake Steel Corp	Electric arc furnace
US3364009A (en) *	1964-03-12	1968-01-16	Kemmetmuller Roland	Method for the production of iron and steel
FR2156456A1 (en) *	1971-10-20	1973-06-01	Nippon Kokan Kk	Blast furnace combined operation - by blowing a reducing gas and an oxygen enriched flux
BE817647R (en) *	1974-07-15	1974-11-04		Re-use of carbon monoxide from blast-furnace exhaust gas - returned to burners with fuel oil and oxygen, thus reducing amt. of coke required

Also Published As

Publication number	Publication date
AU8294687A (en)	1988-06-30
CN87105991A (en)	1988-07-27
EP0273420B1 (en)	1993-09-22
EP0273420A2 (en)	1988-07-06
CN1007161B (en)	1990-03-14
DE3787518T2 (en)	1994-03-10
AU596253B2 (en)	1990-04-26
KR880007746A (en)	1988-08-29
DE3787518D1 (en)	1993-10-28
KR930004473B1 (en)	1993-05-27

Publication	Publication Date	Title
GB8716188D0 (en)	1987-08-12	Spherulizing furnace
GB8716189D0 (en)	1987-08-12	Spherulizing furnace
GB2191568B (en)	1990-08-22	Furnace
GB2226628B (en)	1993-05-26	Furnace
EP0178182A3 (en)	1987-07-01	Furnace
GB8717409D0 (en)	1987-08-26	Lining furnace
EP0273420A3 (en)	1988-08-03	A blast furnace
ZA879642B (en)	1988-06-21	A blast furnace
ZA857382B (en)	1986-05-28	Blast furnace plant
GB2201495B (en)	1990-07-04	Furnace
GB2197343B (en)	1990-01-10	Operation of zinc-smelting blast furnaces
GB8720776D0 (en)	1987-10-14	Furnace
GB8624421D0 (en)	1986-11-12	Furnace
GB2216641B (en)	1991-10-16	A melting furnace
EP0248200A3 (en)	1988-03-02	Furnace
GB8712985D0 (en)	1987-07-08	Furnace arrangement
GB2216639B (en)	1991-08-07	Furnace
ZA879641B (en)	1988-06-20	Method for operating a blast furnace
GB8706196D0 (en)	1987-04-23	Furnace
HUT48973A (en)	1989-07-28	Furnace
IE872118L (en)	1988-02-08	Furnace
AU92561S (en)	1986-07-03	A refractory brick
AU92562S (en)	1986-07-03	A refractory brick
GB8630165D0 (en)	1987-01-28	Furnace
GB8629081D0 (en)	1987-01-14	Anti-clinker furnace

Legal Events

Date	Code	Title	Description
1988-05-21	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
1988-06-14	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
1988-07-06	17P	Request for examination filed	Effective date: 19871228
1988-07-06	AK	Designated contracting states	Kind code of ref document: A2 Designated state(s): DE FR GB IT
1988-08-03	AK	Designated contracting states	Kind code of ref document: A3 Designated state(s): DE FR GB IT
1990-10-03	17Q	First examination report despatched	Effective date: 19900817
1993-08-06	GRAA	(expected) grant	Free format text: ORIGINAL CODE: 0009210
1993-09-22	AK	Designated contracting states	Kind code of ref document: B1 Designated state(s): DE FR GB IT
1993-09-30	ITF	It: translation for a ep patent filed
1993-10-28	REF	Corresponds to:	Ref document number: 3787518 Country of ref document: DE Date of ref document: 19931028
1993-11-26	ET	Fr: translation filed
1994-07-23	PLBE	No opposition filed within time limit	Free format text: ORIGINAL CODE: 0009261
1994-07-23	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT
1994-09-14	26N	No opposition filed
1998-12-09	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: FR Payment date: 19981209 Year of fee payment: 12
1998-12-31	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: GB Payment date: 19981231 Year of fee payment: 12
1999-01-07	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: DE Payment date: 19990107 Year of fee payment: 12
1999-12-28	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: GB Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 19991228
2000-08-16	GBPC	Gb: european patent ceased through non-payment of renewal fee	Effective date: 19991228
2000-08-31	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: FR Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20000831
2000-10-03	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: DE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20001003
2000-10-13	REG	Reference to a national code	Ref country code: FR Ref legal event code: ST
2005-12-28	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: IT Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES;WARNING: LAPSES OF ITALIAN PATENTS WITH EFFECTIVE DATE BEFORE 2007 MAY HAVE OCCURRED AT ANY TIME BEFORE 2007. THE CORRECT EFFECTIVE DATE MAY BE DIFFERENT FROM THE ONE RECORDED. Effective date: 20051228