SE8207331L - Lans for behandling av en metallsmelta samt sett att avkola och raffinera en stalsmelta - Google Patents

Lans for behandling av en metallsmelta samt sett att avkola och raffinera en stalsmelta

Info

Publication number
SE8207331L
SE8207331L SE8207331A SE8207331A SE8207331L SE 8207331 L SE8207331 L SE 8207331L SE 8207331 A SE8207331 A SE 8207331A SE 8207331 A SE8207331 A SE 8207331A SE 8207331 L SE8207331 L SE 8207331L
Authority
SE
Sweden
Prior art keywords
melt
metal
additive
lans
refine
Prior art date
Application number
SE8207331A
Other languages
English (en)
Swedish (sv)
Other versions
SE8207331D0 (sv
SE451199B (sv
Inventor
K Shimme
T Aoki
M Taga
Original Assignee
Sumitomo Metal Ind
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
Priority claimed from JP21541581A external-priority patent/JPS58113314A/ja
Priority claimed from JP14377882A external-priority patent/JPS5935615A/ja
Application filed by Sumitomo Metal Ind filed Critical Sumitomo Metal Ind
Publication of SE8207331D0 publication Critical patent/SE8207331D0/xx
Publication of SE8207331L publication Critical patent/SE8207331L/
Publication of SE451199B publication Critical patent/SE451199B/sv

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
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/10—Handling in a vacuum
    • 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
    • C21C5/4606—Lances or injectors

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
SE8207331A 1981-12-25 1982-12-22 Sett att avkola och raffinera stal i vakuum SE451199B (sv)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP21541581A JPS58113314A (ja) 1981-12-25 1981-12-25 鋼の脱炭精錬方法
JP14377882A JPS5935615A (ja) 1982-08-19 1982-08-19 粉体上吹精錬用ランス

Publications (3)

Publication Number Publication Date
SE8207331D0 SE8207331D0 (sv) 1982-12-22
SE8207331L true SE8207331L (sv) 1983-06-26
SE451199B SE451199B (sv) 1987-09-14

Family

ID=26475418

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8207331A SE451199B (sv) 1981-12-25 1982-12-22 Sett att avkola och raffinera stal i vakuum

Country Status (5)

Country Link
US (1) US4426224A ( )
DE (1) DE3247757A1 ( )
FR (1) FR2519024B1 ( )
GB (1) GB2112914B ( )
SE (1) SE451199B ( )

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2850407B2 (ja) * 1989-04-18 1999-01-27 大同特殊鋼株式会社 含クロム溶鋼の精錬法
US5110351A (en) * 1991-01-10 1992-05-05 Usx Corporation Method of promoting the decarburization reaction in a vacuum refining furnace
US5304231A (en) * 1991-12-24 1994-04-19 Kawasaki Steel Corporation Method of refining of high purity steel
DE4221266C1 (de) * 1992-06-26 1993-10-21 Mannesmann Ag Verfahren und Vorrichtung zum Aufblasen von Sauerstoff auf Metallschmelzen
US5377960A (en) * 1993-03-01 1995-01-03 Berry Metal Company Oxygen/carbon blowing lance assembly
KR0179394B1 (ko) * 1994-06-06 1999-02-18 도자끼 시노부 함Cr용강의 탈탄 정련방법
AT402963B (de) * 1995-09-07 1997-10-27 Voest Alpine Ind Anlagen Verfahren zum verbrennen von brennstoff
KR100270113B1 (ko) * 1996-10-08 2000-10-16 이구택 극저탄소강의 용강 제조장치
US5814125A (en) * 1997-03-18 1998-09-29 Praxair Technology, Inc. Method for introducing gas into a liquid
US6176894B1 (en) 1998-06-17 2001-01-23 Praxair Technology, Inc. Supersonic coherent gas jet for providing gas into a liquid
PL353443A1 (en) * 1999-05-07 2003-11-17 Sidmar N.V. Method of decarburisation and dephosphorisation of a molten metal
US6261338B1 (en) 1999-10-12 2001-07-17 Praxair Technology, Inc. Gas and powder delivery system and method of use
US6139310A (en) * 1999-11-16 2000-10-31 Praxair Technology, Inc. System for producing a single coherent jet
US20060228294A1 (en) * 2005-04-12 2006-10-12 Davis William H Process and apparatus using a molten metal bath
GB0511883D0 (en) * 2005-06-10 2005-07-20 Boc Group Plc Manufacture of ferroalloys
DE102007015585A1 (de) * 2007-03-29 2008-10-02 M.K.N. Technologies Gmbh Schmelzmetallurgisches Verfahren zur Herstellung von Metallschmelzen und übergangsmetallhaltiger Zuschlagstoff zur Verwendung in diesen
JP5614306B2 (ja) * 2011-01-26 2014-10-29 Ｊｆｅスチール株式会社 マンガン含有低炭素鋼の溶製方法
CN103266198B (zh) * 2013-05-22 2014-08-06 中国重型机械研究院股份公司 一种rh钢水精炼用喷粉脱硫机构
KR20200003114A (ko) * 2017-08-21 2020-01-08 닛폰세이테츠 가부시키가이샤 전로 취련용 상취 랜스 및 용선의 정련 방법
EP3495514A1 (en) * 2017-12-06 2019-06-12 Linde Aktiengesellschaft Process for injecting particulate material into a liquid metal bath

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1003514A (en) * 1961-05-10 1965-09-02 Steel Co Of Wales Ltd Improvements in steel manufacture
US3304173A (en) 1961-07-27 1967-02-14 United States Steel Corp Method of adding solids and oxygen to an open hearth furnace
GB1021855A (en) * 1963-01-26 1966-03-09 British Oxygen Co Ltd Improvements in or relating to the treatment of molten metal
LU56392A1 ( ) * 1967-07-04 1968-10-21
SE425256B (sv) * 1973-10-22 1982-09-13 Sumitomo Metal Ind Vakuumavkolning av stal
DE2503839A1 (de) * 1975-01-30 1976-08-05 Neunkircher Eisenwerk Ag Eintauchlanze zum behandeln von edelstaehlen im vakuum
JPS5392319A (en) * 1977-01-25 1978-08-14 Nisshin Steel Co Ltd Method of making ultralowwcarbon stainless steel
SE437647B (sv) * 1982-11-22 1985-03-11 Electrolux Const Ab Anordning vid forvaringsstell, exv pallstell

Also Published As

Publication number Publication date
US4426224A (en) 1984-01-17
SE8207331D0 (sv) 1982-12-22
FR2519024A1 (fr) 1983-07-01
GB2112914B (en) 1985-07-24
GB2112914A (en) 1983-07-27
SE451199B (sv) 1987-09-14
FR2519024B1 (fr) 1986-05-30
DE3247757A1 (de) 1983-07-14

Similar Documents

Publication Publication Date Title
SE8207331L (sv) Lans for behandling av en metallsmelta samt sett att avkola och raffinera en stalsmelta
GB1435189A (en) Process and equipment for blowing fine-grain reagents into steel melts
DE3373315D1 (en) Apparatus for delivering gaseous and solid materials to a bath of molten metal by way of refining
ES8101648A1 (es) Procedimiento para la fabricacion de acero en convertidor
GB1007051A (en) Method for nitrogen-enrichment of molten steel covered with slag
JPS565914A (en) Accelerating method for slagging in converter
JPS575808A (en) Preparation of high manganese steel
JPS5760004A (en) Converter refining method
JPS5757816A (en) Steel making method by composite top and bottom blown converter
JPS56133413A (en) Steel making method by divided refining
JPS57177911A (en) Treatment of molten bath to be subjected to dephosphorization regeneration of converter waste slag and recovery of valuable components
JPS5518578A (en) Treating method for flux of molten steel
AU554340B2 (en) Increasing the proportion of cold charge in the production of top blown steel
JPS569312A (en) Refining of steel
JPS57158316A (en) Production of al-containing steel
GB822271A (en) Improvements in or relating to the manufacture of steel
JPS5594425A (en) Converter steel making method which reduces phosphorus content
JPS5576013A (en) Al adding method to molten steel
JPS648211A (en) Method for pretreating molten iron
JPS56130416A (en) Steel making method
JPS5244715A (en) Continuous method of refining molten iron alloy by using alkali metal compoun
JPS6487744A (en) Manufacture of medium-or low-carbon ferromanganese
JPS5594415A (en) Steel making method of less slag producing amount
JPS5591921A (en) Manufacture of low hydrogen steel
JP3861618B2 (ja) 転炉を用いた溶銑の脱りん方法

Legal Events

Date Code Title Description
NAL Patent in force

Ref document number: 8207331-3

Format of ref document f/p: F

NUG Patent has lapsed