EP1291444A4 - METHOD AND OPENING FOR OBSERVING THE INSIDE OF A LIQUID IRON FINE - Google Patents

METHOD AND OPENING FOR OBSERVING THE INSIDE OF A LIQUID IRON FINE

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Withdrawn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)
English (en)
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Withdrawn legal-status Critical Current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 AND OPENING FOR OBSERVING THE INSIDE OF A LIQUID IRON FINE Withdrawn EP1291444A4 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP2000175592 2000-06-12
JP2000175591 2000-06-12
JP2000175592 2000-06-12
JP2000175591 2000-06-12
PCT/JP2001/004975 WO2001096617A1 (fr) 2000-06-12 2001-06-12 Procede permettant d'observer a l'interieur d'un four d'affinage de fer en fusion et tuyere permettant d'observer a l'interieur de ce four

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 AND OPENING FOR OBSERVING THE INSIDE OF A LIQUID IRON FINE

Country Status (11)

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

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004037163A (ja) * 2002-07-01 2004-02-05 Nippon Steel Corp 溶融金属の測温装置
EP2574474B1 (en) 2002-05-13 2014-07-09 Dymo A label printer
AT514132B1 (de) * 2013-03-25 2015-11-15 Voestalpine Stahl Gmbh Verfahren zur Bestimmung von Reaktionsdaten eines Reaktionsablaufs
JP6477751B2 (ja) * 2016-03-29 2019-03-06 Ｊｆｅスチール株式会社 底吹き転炉の炉底羽口健全性評価方法、炉底羽口寿命延長方法及び底吹き転炉の操業方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60129628A (ja) * 1983-12-16 1985-07-10 Sumitomo Metal Ind Ltd 溶鋼温度連続測定方法
JPH08165506A (ja) * 1994-12-12 1996-06-25 Nkk Corp 精錬用羽口の損耗抑制方法
JPH11142246A (ja) * 1997-11-10 1999-05-28 Nippon Steel Corp 溶融金属の測温装置
JPH11281485A (ja) * 1998-03-31 1999-10-15 Nippon Steel Corp 溶鋼の連続測温方法
JPH11326061A (ja) * 1998-05-20 1999-11-26 Sumitomo Metal Ind Ltd 炉内溶湯の温度測定方法及び装置
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 (ko) * 1993-10-05 1998-04-20 이요시 슌키치 광파이버를 사용한 온도측정장치 및 방법

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60129628A (ja) * 1983-12-16 1985-07-10 Sumitomo Metal Ind Ltd 溶鋼温度連続測定方法
JPH08165506A (ja) * 1994-12-12 1996-06-25 Nkk Corp 精錬用羽口の損耗抑制方法
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 (ja) * 1997-11-10 1999-05-28 Nippon Steel Corp 溶融金属の測温装置
JPH11281485A (ja) * 1998-03-31 1999-10-15 Nippon Steel Corp 溶鋼の連続測温方法
JPH11326061A (ja) * 1998-05-20 1999-11-26 Sumitomo Metal Ind Ltd 炉内溶湯の温度測定方法及び装置

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
TW558568B (en) 2003-10-21
CA2381584A1 (en) 2001-12-20
EP1291444A1 (en) 2003-03-12
WO2001096617A1 (fr) 2001-12-20
CN1383454A (zh) 2002-12-04
JP5014555B2 (ja) 2012-08-29
AR028710A1 (es) 2003-05-21
AU757791B2 (en) 2003-03-06
BR0106724A (pt) 2002-04-23
US20020180124A1 (en) 2002-12-05
AU6275301A (en) 2001-12-24
KR20020025219A (ko) 2002-04-03

Similar Documents

Publication Publication Date Title
NO980409D0 (no) Fremgangsmåte ved fremstilling av puzzolaner, syntetisk masovnslagg, belitt- eller alittklinkere, samt råjernlegeringer av oksydslagg, og anordning ved utföring av denne fremgangsmåten
GB2302397B (en) Method and apparatus for cooling and solidifying red-hot molten blast furnace slag
EP1431404A4 (en) METHOD FOR REFINING FUSION IRON CONTAINING CHROME
EP1114973A4 (en) APPARATUS AND METHOD FOR ARCTIC MELTING COLD RAW
EP1029931A4 (en) METHOD FOR HANDLING A BLAST FURNACE
MY121751A (en) Refractory wall, metallurgical vessel comprising such refractory wall and method in which such a refractory is applied.
EP1291444A4 (en) METHOD AND OPENING FOR OBSERVING THE INSIDE OF A LIQUID IRON FINE
MXPA01011628A (es) Metodo para la reduccion de contenido de metal no ferroso en la escoria en la produccion de metales no ferrosos que se presentan en un horno de fusion en suspension.
HUP0303607A3 (en) Refractory plug or brick for injecting gas into molten metal and a method of making the plug or brick
EG22547A (en) Direct current arc furnace for the production of steel and process thereto
PL329352A1 (en) Method of obtaining molten pig iron or other molten steel-making primary products
PL340539A1 (en) Method of obtaining directly reduced iron, molten pig iron and steel
EP1403387A4 (en) METHOD OF DEHYDRATING CHROME-CONTAINING MELT-LIQUID STEEL
PL353178A1 (en) Briquette for lowering the viscosity of metallurgical slag and process for its production
EP1111073A4 (en) FINE PROCESSING AND DEVICE FOR MELT
PL330956A1 (en) Method of obtaining steel in an electric furnace being charged with molten pig iron
PL362114A1 (en) Method and apparatus for feeding solid material and oxidizing gas into suspension smelting furnace
PL310428A1 (en) Carbonaceous refractory material for blast furnaces and method of obtaining same
PL341942A1 (en) Method of obtaining molten pig iron
EG22473A (en) Tapping channel for melting furnaces and casting ladies
PL327863A1 (en) Method of obtaining briquettes for a blast furnace or other steel-making furnaces
PL327866A1 (en) Method of making briquettes for a blast furnace or other steel-making furnaces
PL344089A1 (en) Method of determining refining properties of metallurgical slags
Cui et al. Slag splashing process for 300 t BOF at Baosteel
PL350708A1 (en) Graphitising inoculant for molten cast iron and method of obtaining same

Legal Events

Date Code Title Description
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

17P Request for examination filed

Effective date: 20020307

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

AX Request for extension of the european patent

Extension state: AL LT LV MK RO SI

A4 Supplementary search report drawn up and despatched

Effective date: 20040204

RIC1 Information provided on ipc code assigned before grant

Ipc: 7C 21C 5/46 B

Ipc: 7C 21C 5/48 A

17Q First examination report despatched

Effective date: 20040624

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20041105