DE3061404D1 - Process for producing desulfurizing agents for pig iron or steel melts - Google Patents

Process for producing desulfurizing agents for pig iron or steel melts

Info

Publication number
DE3061404D1
DE3061404D1 DE8080101984T DE3061404T DE3061404D1 DE 3061404 D1 DE3061404 D1 DE 3061404D1 DE 8080101984 T DE8080101984 T DE 8080101984T DE 3061404 T DE3061404 T DE 3061404T DE 3061404 D1 DE3061404 D1 DE 3061404D1
Authority
DE
Germany
Prior art keywords
crushed
calcium oxide
steel melts
pig iron
cao
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
DE8080101984T
Other languages
English (en)
Inventor
Albert Braun
Willi Dr Portz
Georg Dr Strauss
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.)
Hoechst AG
Original Assignee
Hoechst 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6071196&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3061404(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Hoechst AG filed Critical Hoechst AG
Priority to DE8080101984T priority Critical patent/DE3061404D1/de
Application granted granted Critical
Publication of DE3061404D1 publication Critical patent/DE3061404D1/de
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
    • 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)
DE8080101984T 1979-05-19 1980-04-14 Process for producing desulfurizing agents for pig iron or steel melts Expired DE3061404D1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE8080101984T DE3061404D1 (en) 1979-05-19 1980-04-14 Process for producing desulfurizing agents for pig iron or steel melts

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19792920353 DE2920353A1 (de) 1979-05-19 1979-05-19 Verfahren zur herstellung von entschweflungsmitteln fuer roheisen- oder stahlschmelzen
DE8080101984T DE3061404D1 (en) 1979-05-19 1980-04-14 Process for producing desulfurizing agents for pig iron or steel melts

Publications (1)

Publication Number Publication Date
DE3061404D1 true DE3061404D1 (en) 1983-01-27

Family

ID=6071196

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19792920353 Withdrawn DE2920353A1 (de) 1979-05-19 1979-05-19 Verfahren zur herstellung von entschweflungsmitteln fuer roheisen- oder stahlschmelzen
DE8080101984T Expired DE3061404D1 (en) 1979-05-19 1980-04-14 Process for producing desulfurizing agents for pig iron or steel melts

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE19792920353 Withdrawn DE2920353A1 (de) 1979-05-19 1979-05-19 Verfahren zur herstellung von entschweflungsmitteln fuer roheisen- oder stahlschmelzen

Country Status (9)

Country Link
US (1) US4318822A (de)
EP (1) EP0019086B1 (de)
JP (1) JPS55154519A (de)
AT (1) ATE2092T1 (de)
CA (1) CA1141965A (de)
DE (2) DE2920353A1 (de)
ES (1) ES491355A0 (de)
NO (1) NO151971C (de)
ZA (1) ZA802943B (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2952686A1 (de) * 1979-12-29 1981-07-02 Hoechst Ag, 6230 Frankfurt Verfahren zur herstellung von entschwefelungsmitteln fuer roheisen- oder stahlschmelzen
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
DE3535280A1 (de) * 1985-10-03 1987-04-09 Hoechst Ag Entschwefelungsgemisch fuer metallschmelzen, ein verfahren zu seiner herstellung und seine verwendung
US5002733A (en) * 1989-07-26 1991-03-26 American Alloys, Inc. Silicon alloys containing calcium and method of making same
US5397379A (en) * 1993-09-22 1995-03-14 Oglebay Norton Company Process and additive for the ladle refining of steel
US6179895B1 (en) 1996-12-11 2001-01-30 Performix Technologies, Ltd. Basic tundish flux composition for steelmaking processes
CN107344188A (zh) * 2017-07-28 2017-11-14 靖西天桂铝业有限公司 铝土矿洗选尾泥干法处置及综合利用新工艺

Family Cites Families (7)

* 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
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
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
FR2290240A1 (fr) * 1974-11-06 1976-06-04 Unibra Sa Perfectionnements a la desulfuration des gaz
DE2919324A1 (de) * 1979-05-14 1980-12-04 Hoechst Ag Entschweflungsmittel fuer roheisen- und stahlschmelzen sowie ein verfahren zu ihrer herstellung

Also Published As

Publication number Publication date
US4318822A (en) 1982-03-09
EP0019086A2 (de) 1980-11-26
JPS55154519A (en) 1980-12-02
EP0019086A3 (en) 1981-04-01
ES8101120A1 (es) 1980-12-16
NO151971B (no) 1985-04-01
ZA802943B (en) 1981-06-24
ES491355A0 (es) 1980-12-16
NO801468L (no) 1980-11-20
CA1141965A (en) 1983-03-01
EP0019086B1 (de) 1982-12-22
JPS6353245B2 (de) 1988-10-21
NO151971C (no) 1985-07-10
ATE2092T1 (de) 1983-01-15
DE2920353A1 (de) 1980-11-27

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Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee