EP1291444A4 - Method for observing inside of molten iron refining furnace and tuyere for observing inside of furnace - Google Patents

Method for observing inside of molten iron refining furnace and tuyere for observing inside of furnace

Info

Publication number
EP1291444A4
EP1291444A4 EP01936979A EP01936979A EP1291444A4 EP 1291444 A4 EP1291444 A4 EP 1291444A4 EP 01936979 A EP01936979 A EP 01936979A EP 01936979 A EP01936979 A EP 01936979A EP 1291444 A4 EP1291444 A4 EP 1291444A4
Authority
EP
European Patent Office
Prior art keywords
furnace
observing inside
tuyere
molten iron
iron refining
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.)
Withdrawn
Application number
EP01936979A
Other languages
German (de)
French (fr)
Other versions
EP1291444A1 (en
Inventor
Shinya Kitamura
Tsuyoshi Yamazaki
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
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.)
Filing date
Publication date
Application filed by Nippon Steel Corp filed Critical Nippon Steel Corp
Publication of EP1291444A1 publication Critical patent/EP1291444A1/en
Publication of EP1291444A4 publication Critical patent/EP1291444A4/en
Withdrawn legal-status Critical Current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
    • C21C5/42—Constructional features of converters
    • C21C5/46—Details or accessories
    • C21C5/4673—Measuring and sampling devices
    • 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
    • F27D21/00—Arrangements of monitoring devices; Arrangements of safety devices
    • F27D21/02—Observation or illuminating devices
    • 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
    • C21C5/42—Constructional features of converters
    • C21C5/46—Details or accessories
    • C21C5/48—Bottoms or tuyéres of converters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B3/00—Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces
    • F27B3/10—Details, accessories, or equipment peculiar to hearth-type furnaces
    • F27B3/28—Arrangement of controlling, monitoring, alarm or the like devices
    • 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
    • F27D21/00—Arrangements of monitoring devices; Arrangements of safety devices
    • F27D21/0014—Devices for monitoring temperature

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Carbon Steel Or Casting Steel Manufacturing (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
EP01936979A 2000-06-12 2001-06-12 Method for observing inside of molten iron refining furnace and tuyere for observing inside of furnace Withdrawn EP1291444A4 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP2000175592 2000-06-12
JP2000175592 2000-06-12
JP2000175591 2000-06-12
JP2000175591 2000-06-12
PCT/JP2001/004975 WO2001096617A1 (en) 2000-06-12 2001-06-12 Method for observing inside of molten iron refining furnace and tuyere for observing inside of furnace

Publications (2)

Publication Number Publication Date
EP1291444A1 EP1291444A1 (en) 2003-03-12
EP1291444A4 true EP1291444A4 (en) 2004-03-17

Family

ID=26593745

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01936979A Withdrawn EP1291444A4 (en) 2000-06-12 2001-06-12 Method for observing inside of molten iron refining furnace and tuyere for observing inside of furnace

Country Status (11)

Country Link
US (1) US20020180124A1 (en)
EP (1) EP1291444A4 (en)
JP (1) JP5014555B2 (en)
KR (1) KR20020025219A (en)
CN (1) CN1383454A (en)
AR (1) AR028710A1 (en)
AU (1) AU757791B2 (en)
BR (1) BR0106724A (en)
CA (1) CA2381584A1 (en)
TW (1) TW558568B (en)
WO (1) WO2001096617A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004037163A (en) * 2002-07-01 2004-02-05 Nippon Steel Corp Temperature measuring apparatus in molten metal
US7616338B2 (en) 2002-05-13 2009-11-10 Dymo Label printer
AT514132B1 (en) 2013-03-25 2015-11-15 Voestalpine Stahl Gmbh Method for determining reaction data of a reaction sequence
JP6477751B2 (en) * 2016-03-29 2019-03-06 Ｊｆｅスチール株式会社 Evaluation method of bottom bottom tuyere integrity of bottom blown converter, method of extending life of bottom tuyere, and operation method of bottom blown converter

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60129628A (en) * 1983-12-16 1985-07-10 Sumitomo Metal Ind Ltd Continuous measurement of molten steel temperature
JPH08165506A (en) * 1994-12-12 1996-06-25 Nkk Corp Method for restraining wear of refining tuyere
JPH11142246A (en) * 1997-11-10 1999-05-28 Nippon Steel Corp Temperature measuring apparatus for molten metal
JPH11281485A (en) * 1998-03-31 1999-10-15 Nippon Steel Corp Continuous temperature measuring method for molten steel
JPH11326061A (en) * 1998-05-20 1999-11-26 Sumitomo Metal Ind Ltd Temperature measuring method and device for molten bath in furnace
US6071466A (en) * 1996-10-17 2000-06-06 Voest Alpine Industries, Inc. Submergible probe for viewing and analyzing properties of a molten metal bath

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR0134654B1 (en) * 1993-10-05 1998-04-20 이요시 슌키치 Apparatus and method for measuring a temperature using optical fiber

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60129628A (en) * 1983-12-16 1985-07-10 Sumitomo Metal Ind Ltd Continuous measurement of molten steel temperature
JPH08165506A (en) * 1994-12-12 1996-06-25 Nkk Corp Method for restraining wear of refining tuyere
US6071466A (en) * 1996-10-17 2000-06-06 Voest Alpine Industries, Inc. Submergible probe for viewing and analyzing properties of a molten metal bath
JPH11142246A (en) * 1997-11-10 1999-05-28 Nippon Steel Corp Temperature measuring apparatus for molten metal
JPH11281485A (en) * 1998-03-31 1999-10-15 Nippon Steel Corp Continuous temperature measuring method for molten steel
JPH11326061A (en) * 1998-05-20 1999-11-26 Sumitomo Metal Ind Ltd Temperature measuring method and device for molten bath in furnace

Non-Patent Citations (6)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 009, no. 292 (P - 406) 19 November 1985 (1985-11-19) *
PATENT ABSTRACTS OF JAPAN vol. 1996, no. 10 31 October 1996 (1996-10-31) *
PATENT ABSTRACTS OF JAPAN vol. 1999, no. 10 31 August 1999 (1999-08-31) *
PATENT ABSTRACTS OF JAPAN vol. 2000, no. 01 31 January 2000 (2000-01-31) *
PATENT ABSTRACTS OF JAPAN vol. 2000, no. 02 29 February 2000 (2000-02-29) *
See also references of WO0196617A1 *

Also Published As

Publication number Publication date
CA2381584A1 (en) 2001-12-20
AR028710A1 (en) 2003-05-21
AU757791B2 (en) 2003-03-06
US20020180124A1 (en) 2002-12-05
EP1291444A1 (en) 2003-03-12
WO2001096617A1 (en) 2001-12-20
JP5014555B2 (en) 2012-08-29
TW558568B (en) 2003-10-21
AU6275301A (en) 2001-12-24
KR20020025219A (en) 2002-04-03
CN1383454A (en) 2002-12-04
BR0106724A (en) 2002-04-23

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