EP0031534B1 - Verfahren zur Herstellung von Entschwefelungsmitteln für Roheisen-oder Stahlschmelzen - Google Patents
Verfahren zur Herstellung von Entschwefelungsmitteln für Roheisen-oder Stahlschmelzen Download PDFInfo
- Publication number
- EP0031534B1 EP0031534B1 EP80107915A EP80107915A EP0031534B1 EP 0031534 B1 EP0031534 B1 EP 0031534B1 EP 80107915 A EP80107915 A EP 80107915A EP 80107915 A EP80107915 A EP 80107915A EP 0031534 B1 EP0031534 B1 EP 0031534B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- mixture
- weight
- cao
- calcium oxide
- size
- 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
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
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT80107915T ATE9101T1 (de) | 1979-12-29 | 1980-12-15 | Verfahren zur herstellung von entschwefelungsmitteln fuer roheisen-oder stahlschmelzen. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2952686 | 1979-12-29 | ||
DE19792952686 DE2952686A1 (de) | 1979-12-29 | 1979-12-29 | Verfahren zur herstellung von entschwefelungsmitteln fuer roheisen- oder stahlschmelzen |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0031534A1 EP0031534A1 (de) | 1981-07-08 |
EP0031534B1 true EP0031534B1 (de) | 1984-08-22 |
Family
ID=6089830
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP80107915A Expired EP0031534B1 (de) | 1979-12-29 | 1980-12-15 | Verfahren zur Herstellung von Entschwefelungsmitteln für Roheisen-oder Stahlschmelzen |
Country Status (16)
Country | Link |
---|---|
US (1) | US4368071A (pt) |
EP (1) | EP0031534B1 (pt) |
JP (1) | JPS5698413A (pt) |
AT (1) | ATE9101T1 (pt) |
AU (1) | AU532989B2 (pt) |
BR (1) | BR8008500A (pt) |
DD (1) | DD155527A5 (pt) |
DE (2) | DE2952686A1 (pt) |
DK (1) | DK151569C (pt) |
ES (1) | ES8200146A1 (pt) |
IN (1) | IN153342B (pt) |
MX (1) | MX154954A (pt) |
NO (1) | NO153500C (pt) |
PL (1) | PL125648B1 (pt) |
SU (1) | SU1269739A3 (pt) |
ZA (1) | ZA808064B (pt) |
Families Citing this family (5)
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 |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT264560B (de) * | 1966-08-25 | 1968-09-10 | Gustav Dipl Ing Wolfram | Basisches Stahlherstellungsverfahren |
DE1935567B2 (de) * | 1969-07-12 | 1971-05-13 | Knapsack AG, 5033 Hurth Knapsack | Verfahren zur herstellung von calciumkarbid bestimmter qualitaet |
DE2326539B2 (de) * | 1973-05-24 | 1975-03-27 | Sueddeutsche Kalkstickstoff-Werke Ag, 8223 Trostberg | Verfahren zur Herstellung eines Entschwefelungsgemisches für Eisenschmelzen aus Calciumcarbid und mindestens einem wasserhaltigen Stoff |
DE1919414B2 (de) * | 1969-04-17 | 1977-07-14 | Hoechst Ag, 6000 Frankfurt | Verfahren und vorrichtung zum abkuehlen von in gefaesse abgestochenem calciumcarbid |
DE2037758C3 (de) * | 1970-07-30 | 1979-08-02 | Hoechst Ag, 6000 Frankfurt | Verfahren zur Herstellung von CaIciumkarbid zur Entschwefelung von Metallschmelzen |
DE2907069A1 (de) * | 1979-02-23 | 1980-08-28 | Krupp Ag Huettenwerke | Mittel zur entschwefelung von metallschmelzen |
EP0019086A2 (de) * | 1979-05-19 | 1980-11-26 | Hoechst Aktiengesellschaft | Verfahren zur Herstellung von Entschweflungsmitteln für Roheisen- oder Stahlschmelzen |
EP0019087A1 (de) * | 1979-05-14 | 1980-11-26 | Hoechst Aktiengesellschaft | Entschweflungsmittel für Roheisen- und Stahlschmelzen sowie ein Verfahren zu ihrer Herstellung |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1758250B1 (de) * | 1968-04-29 | 1971-10-28 | Sueddeutsche Kalkstickstoff | Mittel zum Entschwefeln von Eisenschmelzen |
DE2252795C3 (de) * | 1972-10-27 | 1982-09-09 | Skw Trostberg Ag, 8223 Trostberg | Entschwefelungsmittel für Roheisen- und Ferrolegierungsschmelzen |
FR2432550A1 (fr) * | 1978-08-04 | 1980-02-29 | Sueddeutsche Kalkstickstoff | Procede pour la fabrication d'un melange de desulfuration pulverulent facilement fluidifiable |
-
1979
- 1979-12-29 DE DE19792952686 patent/DE2952686A1/de not_active Withdrawn
-
1980
- 1980-12-12 ES ES497685A patent/ES8200146A1/es not_active Expired
- 1980-12-15 EP EP80107915A patent/EP0031534B1/de not_active Expired
- 1980-12-15 AT AT80107915T patent/ATE9101T1/de not_active IP Right Cessation
- 1980-12-15 DE DE8080107915T patent/DE3069043D1/de not_active Expired
- 1980-12-23 PL PL1980228751A patent/PL125648B1/pl unknown
- 1980-12-23 IN IN1420/CAL/80A patent/IN153342B/en unknown
- 1980-12-23 NO NO803924A patent/NO153500C/no unknown
- 1980-12-23 DK DK550880A patent/DK151569C/da not_active IP Right Cessation
- 1980-12-23 BR BR8008500A patent/BR8008500A/pt unknown
- 1980-12-24 AU AU65854/80A patent/AU532989B2/en not_active Ceased
- 1980-12-26 SU SU803221904A patent/SU1269739A3/ru active
- 1980-12-26 JP JP18417880A patent/JPS5698413A/ja active Granted
- 1980-12-29 DD DD80226699A patent/DD155527A5/de not_active IP Right Cessation
- 1980-12-29 ZA ZA00808064A patent/ZA808064B/xx unknown
-
1981
- 1981-01-02 US US06/222,086 patent/US4368071A/en not_active Expired - Fee Related
- 1981-01-05 MX MX185478A patent/MX154954A/es unknown
Patent Citations (8)
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 |
DE2326539B2 (de) * | 1973-05-24 | 1975-03-27 | Sueddeutsche Kalkstickstoff-Werke Ag, 8223 Trostberg | Verfahren zur Herstellung eines Entschwefelungsgemisches für Eisenschmelzen aus Calciumcarbid und mindestens einem wasserhaltigen Stoff |
DE2907069A1 (de) * | 1979-02-23 | 1980-08-28 | Krupp Ag Huettenwerke | Mittel zur entschwefelung von metallschmelzen |
EP0019087A1 (de) * | 1979-05-14 | 1980-11-26 | Hoechst Aktiengesellschaft | Entschweflungsmittel für Roheisen- und Stahlschmelzen sowie ein Verfahren zu ihrer Herstellung |
EP0019086A2 (de) * | 1979-05-19 | 1980-11-26 | Hoechst Aktiengesellschaft | Verfahren zur Herstellung von Entschweflungsmitteln für Roheisen- oder Stahlschmelzen |
Also Published As
Publication number | Publication date |
---|---|
BR8008500A (pt) | 1981-07-14 |
IN153342B (pt) | 1984-07-07 |
EP0031534A1 (de) | 1981-07-08 |
DK550880A (da) | 1981-06-30 |
MX154954A (es) | 1988-01-14 |
DE3069043D1 (en) | 1984-09-27 |
SU1269739A3 (ru) | 1986-11-07 |
PL125648B1 (en) | 1983-06-30 |
ZA808064B (en) | 1982-01-27 |
US4368071A (en) | 1983-01-11 |
ATE9101T1 (de) | 1984-09-15 |
NO153500C (no) | 1986-04-02 |
AU532989B2 (en) | 1983-10-20 |
AU6585480A (en) | 1981-07-09 |
JPS6327406B2 (pt) | 1988-06-02 |
ES497685A0 (es) | 1981-11-01 |
NO803924L (no) | 1981-06-30 |
ES8200146A1 (es) | 1981-11-01 |
JPS5698413A (en) | 1981-08-07 |
DK151569B (da) | 1987-12-14 |
DD155527A5 (de) | 1982-06-16 |
DE2952686A1 (de) | 1981-07-02 |
NO153500B (no) | 1985-12-23 |
DK151569C (da) | 1988-05-30 |
PL228751A1 (pt) | 1981-09-04 |
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
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