DK151569C - Fremgangsmaade til fremstilling af afsvovlingsmidler til raajern- eller staalsmelter - Google Patents

Fremgangsmaade til fremstilling af afsvovlingsmidler til raajern- eller staalsmelter

Info

Publication number
DK151569C
DK151569C DK550880A DK550880A DK151569C DK 151569 C DK151569 C DK 151569C DK 550880 A DK550880 A DK 550880A DK 550880 A DK550880 A DK 550880A DK 151569 C DK151569 C DK 151569C
Authority
DK
Denmark
Prior art keywords
manufacture
calcium oxide
mixture
steel melts
rajar
Prior art date
Application number
DK550880A
Other languages
Danish (da)
English (en)
Other versions
DK550880A (da
DK151569B (da
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 DK550880A publication Critical patent/DK550880A/da
Publication of DK151569B publication Critical patent/DK151569B/da
Application granted granted Critical
Publication of DK151569C publication Critical patent/DK151569C/da

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)
  • Carbon And Carbon Compounds (AREA)
  • Coating With Molten Metal (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Glass Compositions (AREA)
  • Manufacture And Refinement Of Metals (AREA)
DK550880A 1979-12-29 1980-12-23 Fremgangsmaade til fremstilling af afsvovlingsmidler til raajern- eller staalsmelter DK151569C (da)

Applications Claiming Priority (2)

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
DE2952686 1979-12-29

Publications (3)

Publication Number Publication Date
DK550880A DK550880A (da) 1981-06-30
DK151569B DK151569B (da) 1987-12-14
DK151569C true DK151569C (da) 1988-05-30

Family

ID=6089830

Family Applications (1)

Application Number Title Priority Date Filing Date
DK550880A DK151569C (da) 1979-12-29 1980-12-23 Fremgangsmaade til fremstilling af afsvovlingsmidler til raajern- eller staalsmelter

Country Status (16)

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

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 (fr) * 1984-12-04 1988-10-25 William K. Kodatsky Methode de traitement des reactifs de desulfuration a base de carbure, a injecter dans le fer en fusion
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 (fr) 1984-07-07
JPS6327406B2 (fr) 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
NO803924L (no) 1981-06-30
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 (fr) 1984-08-22
PL228751A1 (fr) 1981-09-04
DE3069043D1 (en) 1984-09-27
JPS5698413A (en) 1981-08-07
NO153500B (no) 1985-12-23
EP0031534A1 (fr) 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

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Legal Events

Date Code Title Description
PBP Patent lapsed