NO803924L - Fremgangsmaate til fremstilling av avsvovlingsmidler for raajern- eller staalsmelter - Google Patents

Fremgangsmaate til fremstilling av avsvovlingsmidler for raajern- eller staalsmelter

Info

Publication number
NO803924L
NO803924L NO803924A NO803924A NO803924L NO 803924 L NO803924 L NO 803924L NO 803924 A NO803924 A NO 803924A NO 803924 A NO803924 A NO 803924A NO 803924 L NO803924 L NO 803924L
Authority
NO
Norway
Prior art keywords
calcium oxide
mixture
steel melts
rajjar
sulfuring
Prior art date
Application number
NO803924A
Other languages
English (en)
Other versions
NO153500B (no
NO153500C (no
Inventor
Albert Braun
Willi Portz
Georg Strauss
Hans-Martin Delhey
Original Assignee
Hoechst Ag
Krupp Stahl Ag
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 Hoechst Ag, Krupp Stahl Ag filed Critical Hoechst Ag
Publication of NO803924L publication Critical patent/NO803924L/no
Publication of NO153500B publication Critical patent/NO153500B/no
Publication of NO153500C publication Critical patent/NO153500C/no

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
    • C21C1/00—Refining of pig-iron; Cast iron
    • C21C1/02—Dephosphorising or desulfurising
    • C21C1/025—Agents used for 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
    • C21C7/04—Removing impurities by adding a treating agent
    • C21C7/064—Dephosphorising; Desulfurising
    • C21C7/0645—Agents used for dephosphorising or desulfurising

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)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
  • Coating With Molten Metal (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Glass Compositions (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
  • Manufacture And Refinement Of Metals (AREA)
NO803924A 1979-12-29 1980-12-23 Fremgangsm¨te til fremstilling av avsvovlingsmidler for r¨ jern- eller st¨lsmelter. NO153500C (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19792952686 DE2952686A1 (de) 1979-12-29 1979-12-29 Verfahren zur herstellung von entschwefelungsmitteln fuer roheisen- oder stahlschmelzen

Publications (3)

Publication Number Publication Date
NO803924L true NO803924L (no) 1981-06-30
NO153500B NO153500B (no) 1985-12-23
NO153500C NO153500C (no) 1986-04-02

Family

ID=6089830

Family Applications (1)

Application Number Title Priority Date Filing Date
NO803924A NO153500C (no) 1979-12-29 1980-12-23 Fremgangsm¨te til fremstilling av avsvovlingsmidler for r¨ jern- eller st¨lsmelter.

Country Status (16)

Country Link
US (1) US4368071A (no)
EP (1) EP0031534B1 (no)
JP (1) JPS5698413A (no)
AT (1) ATE9101T1 (no)
AU (1) AU532989B2 (no)
BR (1) BR8008500A (no)
DD (1) DD155527A5 (no)
DE (2) DE2952686A1 (no)
DK (1) DK151569C (no)
ES (1) ES8200146A1 (no)
IN (1) IN153342B (no)
MX (1) MX154954A (no)
NO (1) NO153500C (no)
PL (1) PL125648B1 (no)
SU (1) SU1269739A3 (no)
ZA (1) ZA808064B (no)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES8200147A1 (es) * 1979-12-29 1981-11-01 Hoechst Ag Procedimiento para la preparacion de un agente para la de- sulfuracion de masas fundidas metalicas
DE3111510A1 (de) * 1981-03-24 1982-10-07 Hoechst Ag, 6000 Frankfurt Entschwefelungsgemisch und verfahren zu seiner herstellung
DE3111509A1 (de) * 1981-03-24 1982-10-07 Hoechst Ag, 6000 Frankfurt Verfahren zur herstellung von entschwefelungsmitteln fuer roheisen- oder stahlschmelzen
CA1243646A (en) * 1984-12-04 1988-10-25 William K. Kodatsky Method for treating carbide-based desulfurizing reagents for injection into molten iron
PL213251B1 (pl) 2009-02-02 2013-02-28 Akad Gorniczo Hutnicza Sposób wytwarzania mieszanki zuzlotwórczej dla pozapiecowej rafinacji stali w kadzi lub w piecu kadziowym

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT264560B (de) * 1966-08-25 1968-09-10 Gustav Dipl Ing Wolfram Basisches Stahlherstellungsverfahren
DE1758250B1 (de) * 1968-04-29 1971-10-28 Sueddeutsche Kalkstickstoff Mittel zum Entschwefeln von Eisenschmelzen
DE1919414B2 (de) * 1969-04-17 1977-07-14 Hoechst Ag, 6000 Frankfurt Verfahren und vorrichtung zum abkuehlen von in gefaesse abgestochenem calciumcarbid
DE1935567B2 (de) * 1969-07-12 1971-05-13 Knapsack AG, 5033 Hurth Knapsack Verfahren zur herstellung von calciumkarbid bestimmter qualitaet
DE2037758C3 (de) * 1970-07-30 1979-08-02 Hoechst Ag, 6000 Frankfurt Verfahren zur Herstellung von CaIciumkarbid zur Entschwefelung von Metallschmelzen
DE2252795C3 (de) * 1972-10-27 1982-09-09 Skw Trostberg Ag, 8223 Trostberg Entschwefelungsmittel für Roheisen- und Ferrolegierungsschmelzen
DE2326539C3 (de) * 1973-05-24 1975-11-13 Sueddeutsche Kalkstickstoff-Werke Ag, 8223 Trostberg Verfahren zur Herstellung eines Entschwefelungsgemisches für Eisenschmelzen aus Calciumcarbid und mindestens einem wasserhaltigen Stoff
FR2432550A1 (fr) * 1978-08-04 1980-02-29 Sueddeutsche Kalkstickstoff Procede pour la fabrication d'un melange de desulfuration pulverulent facilement fluidifiable
DE2907069C3 (de) * 1979-02-23 1981-12-10 Krupp Stahl Ag, 4630 Bochum Mittel zur Entschwefelung von Metallschmelzen
DE2919324A1 (de) * 1979-05-14 1980-12-04 Hoechst Ag Entschweflungsmittel fuer roheisen- und stahlschmelzen sowie ein verfahren zu ihrer herstellung
DE2920353A1 (de) * 1979-05-19 1980-11-27 Hoechst Ag Verfahren zur herstellung von entschweflungsmitteln fuer roheisen- oder stahlschmelzen

Also Published As

Publication number Publication date
IN153342B (no) 1984-07-07
JPS6327406B2 (no) 1988-06-02
ZA808064B (en) 1982-01-27
ES497685A0 (es) 1981-11-01
ES8200146A1 (es) 1981-11-01
DE2952686A1 (de) 1981-07-02
DK550880A (da) 1981-06-30
SU1269739A3 (ru) 1986-11-07
BR8008500A (pt) 1981-07-14
ATE9101T1 (de) 1984-09-15
US4368071A (en) 1983-01-11
PL125648B1 (en) 1983-06-30
DK151569B (da) 1987-12-14
EP0031534B1 (de) 1984-08-22
PL228751A1 (no) 1981-09-04
DE3069043D1 (en) 1984-09-27
JPS5698413A (en) 1981-08-07
NO153500B (no) 1985-12-23
EP0031534A1 (de) 1981-07-08
MX154954A (es) 1988-01-14
AU6585480A (en) 1981-07-09
NO153500C (no) 1986-04-02
DD155527A5 (de) 1982-06-16
AU532989B2 (en) 1983-10-20
DK151569C (da) 1988-05-30

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