ES2071043T3 - Agente para desulfuracion de metal fundido. - Google Patents
Agente para desulfuracion de metal fundido.Info
- Publication number
- ES2071043T3 ES2071043T3 ES90312432T ES90312432T ES2071043T3 ES 2071043 T3 ES2071043 T3 ES 2071043T3 ES 90312432 T ES90312432 T ES 90312432T ES 90312432 T ES90312432 T ES 90312432T ES 2071043 T3 ES2071043 T3 ES 2071043T3
- Authority
- ES
- Spain
- Prior art keywords
- agent
- desulfurizing
- coatings
- cast metal
- 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.)
- Expired - Lifetime
Links
- 229910052751 metal Inorganic materials 0.000 title abstract 2
- 239000002184 metal Substances 0.000 title abstract 2
- 238000006477 desulfuration reaction Methods 0.000 title 1
- 239000003795 chemical substances by application Substances 0.000 abstract 6
- 230000003009 desulfurizing effect Effects 0.000 abstract 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 abstract 2
- 239000011248 coating agent Substances 0.000 abstract 2
- 238000000576 coating method Methods 0.000 abstract 2
- 229910052749 magnesium Inorganic materials 0.000 abstract 2
- 239000011777 magnesium Substances 0.000 abstract 2
- 239000002245 particle Substances 0.000 abstract 2
- 229910000831 Steel Inorganic materials 0.000 abstract 1
- MKPXGEVFQSIKGE-UHFFFAOYSA-N [Mg].[Si] Chemical compound [Mg].[Si] MKPXGEVFQSIKGE-UHFFFAOYSA-N 0.000 abstract 1
- 238000005299 abrasion Methods 0.000 abstract 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract 1
- 230000015556 catabolic process Effects 0.000 abstract 1
- 239000000314 lubricant Substances 0.000 abstract 1
- 229910052757 nitrogen Inorganic materials 0.000 abstract 1
- 239000001301 oxygen Substances 0.000 abstract 1
- 229910052760 oxygen Inorganic materials 0.000 abstract 1
- 239000011253 protective coating Substances 0.000 abstract 1
- 230000009257 reactivity Effects 0.000 abstract 1
- 239000010959 steel Substances 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
- C22B9/10—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals with refining or fluxing agents; Use of materials therefor, e.g. slagging or scorifying agents
- C22B9/103—Methods of introduction of solid or liquid refining or fluxing agents
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Treatment Of Steel In Its Molten State (AREA)
Abstract
LA INVENCION SE REFIERE A UN AGENTE DESULFURIZANTE PARA METAL FUNDIDO, ESPECIALMENTE ACERO PROTEGIDO, QUE CONSISTE DE PARTICULAS DE MAGNESIO RECUBIERTAS. EL OBJETO DE LA INVENCION ES EL DAR UN AGENTE DE GRAN EFECTO DESULFURIZANTE QUE NO TIENE PROBLEMAS DE HIGROSCOPICIDAD Y ABRASION Y DESGREGACION DE LOS COMPONENTES DURANTE SU ALMACENAMIENTO Y TRANSPORTE. LA INVENCION SUMINISTRA UN AGENTE DESULFURIZADOR EN FORMA DE PARTICULAS DE MAGNESIO REVESTIDAS TENIENDO UN PRIMER RECUBRIMIENTO EN CONTACTO CON EL MAGNESIO DE SILICE DE ESTRUCTURA FINAMENTE DIVIDIDA EN FORMA COLOIDAL Y/O AMORFA Y/O CRISTALINA Y/O DE VAPOR. ESTE REVESTIMIENTO ACTUA COMO AGENTE LUBRICANTE Y AGENTE DE LICUACION DE ESCORIA PARA PROXIMOS REVESTIMIENTOS. LOS SIGUIENTES REVESTIMIENTOS PUEDEN SER DE AGENTES DESULFURIZANTES DE GRAN REACTIVIDAD Y PUEDEN SER APLICADOS TAMBIEN OTROS REVESTIMIENTOS PROTECTORES Y REVESTIMIENTOS CONTENIENDO FLUJOS Y AGENTES PARA EXTRAER NITROGENO Y/O OXIGENO.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3940024 | 1989-12-04 | ||
| DE4002284A DE4002284A1 (de) | 1989-12-04 | 1990-01-26 | Mittel zum entschwefeln von eisenschmelzen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES2071043T3 true ES2071043T3 (es) | 1995-06-16 |
Family
ID=25887639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES90312432T Expired - Lifetime ES2071043T3 (es) | 1989-12-04 | 1990-11-14 | Agente para desulfuracion de metal fundido. |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP0431772B1 (es) |
| AT (1) | ATE121140T1 (es) |
| DE (2) | DE4002284A1 (es) |
| ES (1) | ES2071043T3 (es) |
| FI (1) | FI93971C (es) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6352570B1 (en) * | 2000-04-10 | 2002-03-05 | Rossborough Manufacturing Co., Lp | Magnesium desulfurization agent |
| US20040126583A1 (en) * | 2002-11-19 | 2004-07-01 | Takashi Nakamura | Foaming agent for manufacturing a foamed or porous metal |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB964299A (en) * | 1962-05-29 | 1964-07-22 | Foseco Int | Treatment of molten iron |
| DE2157395A1 (de) * | 1971-11-19 | 1973-05-24 | Metallgesellschaft Ag | Mittel zum behandeln von eisenlegierungsschmelzen |
| FR2456779A1 (fr) * | 1979-05-15 | 1980-12-12 | Sofrem | Produit pour la desulfuration des fontes et aciers |
| DE3831831C1 (es) * | 1988-09-20 | 1989-11-02 | Skw Trostberg Ag, 8223 Trostberg, De |
-
1990
- 1990-01-26 DE DE4002284A patent/DE4002284A1/de not_active Withdrawn
- 1990-11-14 EP EP90312432A patent/EP0431772B1/en not_active Expired - Lifetime
- 1990-11-14 ES ES90312432T patent/ES2071043T3/es not_active Expired - Lifetime
- 1990-11-14 AT AT90312432T patent/ATE121140T1/de not_active IP Right Cessation
- 1990-11-14 DE DE69018584T patent/DE69018584T2/de not_active Expired - Fee Related
- 1990-12-04 FI FI905990A patent/FI93971C/fi not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DE69018584T2 (de) | 1995-08-10 |
| EP0431772A1 (en) | 1991-06-12 |
| DE4002284A1 (de) | 1991-06-06 |
| ATE121140T1 (de) | 1995-04-15 |
| FI905990A0 (fi) | 1990-12-04 |
| FI905990L (fi) | 1991-06-05 |
| DE69018584D1 (de) | 1995-05-18 |
| FI93971C (fi) | 1995-06-26 |
| EP0431772B1 (en) | 1995-04-12 |
| FI93971B (fi) | 1995-03-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FG2A | Definitive protection |
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