ATE286987T1 - Verfahren zur einforderung von zusatzstoffen für die stahlerzeugung - Google Patents

Verfahren zur einforderung von zusatzstoffen für die stahlerzeugung

Info

Publication number
ATE286987T1
ATE286987T1 AT00964389T AT00964389T ATE286987T1 AT E286987 T1 ATE286987 T1 AT E286987T1 AT 00964389 T AT00964389 T AT 00964389T AT 00964389 T AT00964389 T AT 00964389T AT E286987 T1 ATE286987 T1 AT E286987T1
Authority
AT
Austria
Prior art keywords
stream
molten iron
gun
steel production
additives
Prior art date
Application number
AT00964389T
Other languages
English (en)
Inventor
Stephen David Bray
Harris Keith
Original Assignee
Qual Chem 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.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=26243946&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE286987(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from GBGB9921818.2A external-priority patent/GB9921818D0/en
Priority claimed from GB0007073A external-priority patent/GB0007073D0/en
Application filed by Qual Chem Ltd filed Critical Qual Chem Ltd
Application granted granted Critical
Publication of ATE286987T1 publication Critical patent/ATE286987T1/de

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
    • 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
    • C21C1/00—Refining of pig-iron; Cast iron
    • C21C1/02—Dephosphorising or desulfurising
    • 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
    • C21C7/0037—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00 by injecting powdered material
    • 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
    • C21C7/0037—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00 by injecting powdered material
    • C21C7/0043—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00 by injecting powdered material into the falling stream of molten metal
    • 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
    • F27D3/00—Charging; Discharging; Manipulation of charge
    • F27D3/0025—Charging or loading melting furnaces with material in the solid state
    • F27D3/0026—Introducing additives into the melt
    • 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
    • F27D3/00—Charging; Discharging; Manipulation of charge
    • F27D3/18—Charging particulate material using a fluid carrier

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
AT00964389T 1999-09-16 2000-09-18 Verfahren zur einforderung von zusatzstoffen für die stahlerzeugung ATE286987T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GBGB9921818.2A GB9921818D0 (en) 1999-09-16 1999-09-16 Steelmaking
GB0007073A GB0007073D0 (en) 2000-03-24 2000-03-24 Iron and steelmaking
PCT/GB2000/003578 WO2001020047A1 (en) 1999-09-16 2000-09-18 Method of introducing additives in steelmaking

Publications (1)

Publication Number Publication Date
ATE286987T1 true ATE286987T1 (de) 2005-01-15

Family

ID=26243946

Family Applications (1)

Application Number Title Priority Date Filing Date
AT00964389T ATE286987T1 (de) 1999-09-16 2000-09-18 Verfahren zur einforderung von zusatzstoffen für die stahlerzeugung

Country Status (10)

Country Link
US (1) US6638337B1 (de)
EP (1) EP1218551B1 (de)
JP (1) JP2003509589A (de)
KR (1) KR20020060951A (de)
AT (1) ATE286987T1 (de)
AU (1) AU7533000A (de)
CA (1) CA2385386A1 (de)
DE (1) DE60017432D1 (de)
GB (1) GB2363635C (de)
WO (1) WO2001020047A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7393379B2 (en) * 2004-04-20 2008-07-01 Franklin Leroy Stebbing Methods of using tires and scrap rubber in the manufacture and melting of steel and other metals
KR101159619B1 (ko) 2010-03-31 2012-06-27 현대제철 주식회사 실리콘 첨가강 제조 방법 및 이 제조방법으로 생성된 실리콘 첨가강
ITUD20120158A1 (it) 2012-09-13 2014-03-14 Danieli Off Mecc Apparato e metodo per il trattamento di scorie metallurgiche

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB769269A (en) * 1954-05-03 1957-03-06 Union Carbide & Carbon Corp Method and apparatus for dispensing powder into a gaseous stream
DE1408183A1 (de) * 1957-11-30 1968-10-03 Huettenwerk Oberhausen Ag Verfahren zum Frischen von Roheisen
US3823012A (en) * 1969-06-25 1974-07-09 Commw Ind Gases Method and apparatus for feeding particulate materials to furnaces and the like
US3740044A (en) * 1972-01-19 1973-06-19 British Iron Steel Research Method and apparatus for the production of iron or steel
JPS5123420A (en) * 1974-06-07 1976-02-25 Nippon Steel Corp Shutsukochuyokoheno tenkazaitonyusochi
JPS60162717A (ja) 1984-02-04 1985-08-24 Nippon Kokan Kk <Nkk> 溶銑の処理方法
US5279639A (en) * 1990-04-06 1994-01-18 Tam Ceramics, Inc. Compositions for synthesizing ladle slags
US5332199A (en) * 1990-09-05 1994-07-26 Fuchs Systemtechnik Gmbh Metallurgical vessel
JPH062028A (ja) * 1992-06-16 1994-01-11 Kawasaki Steel Corp 低酸素溶鋼の溶製方法
JPH06240338A (ja) * 1993-02-18 1994-08-30 Sumitomo Metal Ind Ltd 溶鋼の脱硫方法
US5427604A (en) * 1993-12-03 1995-06-27 Amsted Industries Incorporated Alloy material addition method and apparatus for smelting and melting furnaces
IT1275176B (it) * 1995-02-06 1997-07-30 Elti Srl Apparecchiatura per l'insufflazione di gas o di fluidi in genere e di particolati particolarmente per l'insufflazione di ossigeno in forni per la produzione di acciaio
JPH09118911A (ja) * 1995-10-26 1997-05-06 Technic Sangyo Kk 顆粒状複合精錬材
DE19820589A1 (de) * 1998-05-08 1999-11-11 Wilfried Stein Elektrolichtbogenofen
US6267798B1 (en) * 2000-02-02 2001-07-31 Nuflux, Llc Composition for treating steel making slags

Also Published As

Publication number Publication date
GB2363635B (en) 2002-11-27
KR20020060951A (ko) 2002-07-19
GB0125007D0 (en) 2001-12-05
WO2001020047A1 (en) 2001-03-22
US6638337B1 (en) 2003-10-28
AU7533000A (en) 2001-04-17
GB2363635C (en) 2005-11-09
JP2003509589A (ja) 2003-03-11
EP1218551B1 (de) 2005-01-12
CA2385386A1 (en) 2001-03-22
EP1218551A1 (de) 2002-07-03
GB2363635A (en) 2002-01-02
DE60017432D1 (de) 2005-02-17

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties