GB1504661A - Process of desulphurizing liquid melts - Google Patents

Process of desulphurizing liquid melts

Info

Publication number
GB1504661A
GB1504661A GB267/76A GB26776A GB1504661A GB 1504661 A GB1504661 A GB 1504661A GB 267/76 A GB267/76 A GB 267/76A GB 26776 A GB26776 A GB 26776A GB 1504661 A GB1504661 A GB 1504661A
Authority
GB
United Kingdom
Prior art keywords
desulphurizing
jan
liquid melts
steel melt
melts
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.)
Expired
Application number
GB267/76A
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.)
Inteco Internationale Techinsche Beratung GmbH
Original Assignee
Inteco Internationale Techinsche Beratung GmbH
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 AT24575A external-priority patent/AT337231B/en
Priority claimed from AT99375A external-priority patent/AT337238B/en
Application filed by Inteco Internationale Techinsche Beratung GmbH filed Critical Inteco Internationale Techinsche Beratung GmbH
Publication of GB1504661A publication Critical patent/GB1504661A/en
Expired 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
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/04—Removing impurities by adding a treating agent
    • C21C7/064—Dephosphorising; Desulfurising
    • C21C7/0645—Agents used for dephosphorising or desulfurising
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/10—Reduction of greenhouse gas [GHG] emissions
    • Y02P10/143—Reduction of greenhouse gas [GHG] emissions of methane [CH4]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Treatment Of Steel In Its Molten State (AREA)

Abstract

1504661 Desulphurizing steel melts INTECO INTERNATIONALE TECHNISCHE BERATUNG GmbH 6 Jan 1976 [14 Jan 1975 10 Feb 1975] 00267/76 Headings C7D and C7M Desulphurizing a liquid steel melt having a temperature greater than 1500‹C and an oxygen activity of less than 0.01% by injecting a slag of composition 10 to 60% CaO, 10 to 70% Ca F 2 , 0 to 40% Al 2 O 3 , a maximum of 20% SiO 2 and a total of 0 to 5% oxides of Fe, Mn and/or Cr, having a melting point at least 150‹C lower than that of the steel melt using a carrier gas which is non- oxidizing under the conditions of desulphurization e.g. Ar, N 2 , natural gas.
GB267/76A 1975-01-14 1976-01-06 Process of desulphurizing liquid melts Expired GB1504661A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT24575A AT337231B (en) 1975-01-14 1975-01-14 PROCESS FOR MANUFACTURING STEELS OF HIGH PURITY IN AN ELECTRIC ARC FURNACE
AT99375A AT337238B (en) 1975-02-10 1975-02-10 PROCESS FOR DESULFURIZATION OF STEEL MELT

Publications (1)

Publication Number Publication Date
GB1504661A true GB1504661A (en) 1978-03-22

Family

ID=25592015

Family Applications (1)

Application Number Title Priority Date Filing Date
GB267/76A Expired GB1504661A (en) 1975-01-14 1976-01-06 Process of desulphurizing liquid melts

Country Status (5)

Country Link
DE (1) DE2559188C2 (en)
FR (1) FR2297917A1 (en)
GB (1) GB1504661A (en)
IT (1) IT1061004B (en)
SE (1) SE438327B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1979000398A1 (en) * 1977-12-16 1979-07-12 Foseco Int Desulphurisation of ferrous metals
LU80692A1 (en) * 1978-12-21 1980-07-21 Arbed METHOD AND DEVICE FOR DESULFURING IRON MELT
EP0023931A1 (en) * 1979-08-09 1981-02-18 Vereinigte Edelstahlwerke Aktiengesellschaft (Vew) Process for making high purity steels and alloys by melting
JPS5770219A (en) * 1980-10-21 1982-04-30 Nisshin Steel Co Ltd Method for dephosphorizing, desulfurizing and denitrifying iron alloy
LU83314A1 (en) * 1981-04-24 1983-03-24 Arbed METHOD AND DEVICE FOR DESULFURING IRON MELT

Also Published As

Publication number Publication date
FR2297917A1 (en) 1976-08-13
SE7600282L (en) 1976-07-15
FR2297917B1 (en) 1980-05-16
SE438327B (en) 1985-04-15
DE2559188A1 (en) 1976-07-15
DE2559188C2 (en) 1982-03-18
IT1061004B (en) 1982-10-20

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee