ES497685A0 - Procedimiento para la preparacion de agentes desulfurantes para masas fundidas de arrabio o de acero - Google Patents
Procedimiento para la preparacion de agentes desulfurantes para masas fundidas de arrabio o de aceroInfo
- Publication number
- ES497685A0 ES497685A0 ES497685A ES497685A ES497685A0 ES 497685 A0 ES497685 A0 ES 497685A0 ES 497685 A ES497685 A ES 497685A ES 497685 A ES497685 A ES 497685A ES 497685 A0 ES497685 A0 ES 497685A0
- Authority
- ES
- Spain
- Prior art keywords
- cast
- steel
- calcium oxide
- desulfuring
- agents
- 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.)
- Granted
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)
- Manufacture And Refinement Of Metals (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
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 (2)
| Publication Number | Publication Date |
|---|---|
| ES497685A0 true ES497685A0 (es) | 1981-11-01 |
| ES8200146A1 ES8200146A1 (es) | 1981-11-01 |
Family
ID=6089830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES497685A Expired ES8200146A1 (es) | 1979-12-29 | 1980-12-12 | Procedimiento para la preparacion de agentes desulfurantes para masas fundidas de arrabio o de acero |
Country Status (16)
| Country | Link |
|---|---|
| US (1) | US4368071A (es) |
| EP (1) | EP0031534B1 (es) |
| JP (1) | JPS5698413A (es) |
| AT (1) | ATE9101T1 (es) |
| AU (1) | AU532989B2 (es) |
| BR (1) | BR8008500A (es) |
| DD (1) | DD155527A5 (es) |
| DE (2) | DE2952686A1 (es) |
| DK (1) | DK151569C (es) |
| ES (1) | ES8200146A1 (es) |
| IN (1) | IN153342B (es) |
| MX (1) | MX154954A (es) |
| NO (1) | NO153500C (es) |
| PL (1) | PL125648B1 (es) |
| SU (1) | SU1269739A3 (es) |
| ZA (1) | ZA808064B (es) |
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 |
| DE3111509A1 (de) * | 1981-03-24 | 1982-10-07 | Hoechst Ag, 6000 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 |
| 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)
| 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 |
-
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 AT AT80107915T patent/ATE9101T1/de not_active IP Right Cessation
- 1980-12-15 DE DE8080107915T patent/DE3069043D1/de not_active Expired
- 1980-12-15 EP EP80107915A patent/EP0031534B1/de not_active Expired
- 1980-12-23 BR BR8008500A patent/BR8008500A/pt unknown
- 1980-12-23 PL PL1980228751A patent/PL125648B1/pl unknown
- 1980-12-23 IN IN1420/CAL/80A patent/IN153342B/en unknown
- 1980-12-23 DK DK550880A patent/DK151569C/da not_active IP Right Cessation
- 1980-12-23 NO NO803924A patent/NO153500C/no unknown
- 1980-12-24 AU AU65854/80A patent/AU532989B2/en not_active Ceased
- 1980-12-26 JP JP18417880A patent/JPS5698413A/ja active Granted
- 1980-12-26 SU SU803221904A patent/SU1269739A3/ru active
- 1980-12-29 ZA ZA00808064A patent/ZA808064B/xx unknown
- 1980-12-29 DD DD80226699A patent/DD155527A5/de not_active IP Right Cessation
-
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
Also Published As
| Publication number | Publication date |
|---|---|
| ATE9101T1 (de) | 1984-09-15 |
| JPS5698413A (en) | 1981-08-07 |
| EP0031534A1 (de) | 1981-07-08 |
| ZA808064B (en) | 1982-01-27 |
| SU1269739A3 (ru) | 1986-11-07 |
| AU532989B2 (en) | 1983-10-20 |
| NO153500B (no) | 1985-12-23 |
| DK151569B (da) | 1987-12-14 |
| NO803924L (no) | 1981-06-30 |
| DD155527A5 (de) | 1982-06-16 |
| NO153500C (no) | 1986-04-02 |
| DE3069043D1 (en) | 1984-09-27 |
| DE2952686A1 (de) | 1981-07-02 |
| EP0031534B1 (de) | 1984-08-22 |
| AU6585480A (en) | 1981-07-09 |
| US4368071A (en) | 1983-01-11 |
| ES8200146A1 (es) | 1981-11-01 |
| DK550880A (da) | 1981-06-30 |
| MX154954A (es) | 1988-01-14 |
| PL125648B1 (en) | 1983-06-30 |
| JPS6327406B2 (es) | 1988-06-02 |
| IN153342B (es) | 1984-07-07 |
| BR8008500A (pt) | 1981-07-14 |
| PL228751A1 (es) | 1981-09-04 |
| DK151569C (da) | 1988-05-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| ES497685A0 (es) | Procedimiento para la preparacion de agentes desulfurantes para masas fundidas de arrabio o de acero | |
| ES491355A0 (es) | Procedimiento para la preparacion de agentes desulfurantes, a base de carburo de calcio que contiene oxido de calcio, para masas fundidas de arrabio y acero | |
| CA1154596A (en) | Desulfurizing agent and process for its manufacture | |
| ES491528A0 (es) | Procedimiento para la preparacion de un agente desulfuracionpara masas fundidas de arrabio y acero | |
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| JPS5589412A (en) | Preventing method of collapse of converter slag and electric furnace slag | |
| SU833669A1 (ru) | Способ обработки шлака | |
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| Metzler et al. | Cast Iron for the Manufacture of Brake Elements | |
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| JPS5635710A (en) | Desulfurizing agent for molten iron | |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM4A | Patent lapsed |
Effective date: 19960506 |