FI94775B - Magnesiumbehandlingsförfarande - Google Patents
Magnesiumbehandlingsförfarande Download PDFInfo
- Publication number
- FI94775B FI94775B FI905860A FI905860A FI94775B FI 94775 B FI94775 B FI 94775B FI 905860 A FI905860 A FI 905860A FI 905860 A FI905860 A FI 905860A FI 94775 B FI94775 B FI 94775B
- Authority
- FI
- Finland
- Prior art keywords
- magnesium
- melt
- treatment
- process according
- treatment agent
- Prior art date
Links
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 19
- 229910052749 magnesium Inorganic materials 0.000 claims description 19
- 239000011777 magnesium Substances 0.000 claims description 19
- 239000000155 melt Substances 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 15
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 11
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 239000002893 slag Substances 0.000 claims description 4
- 229910052717 sulfur Inorganic materials 0.000 claims description 4
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 3
- 239000011593 sulfur Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 2
- 230000001590 oxidative effect Effects 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims 3
- 239000000126 substance Substances 0.000 claims 1
- 239000007795 chemical reaction product Substances 0.000 description 5
- 229910052742 iron Inorganic materials 0.000 description 5
- 238000005266 casting Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 238000005188 flotation Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052755 nonmetal Inorganic materials 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 229910000640 Fe alloy Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- 239000002923 metal particle Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 150000003568 thioethers Chemical class 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/08—Making cast-iron alloys
- C22C33/10—Making cast-iron alloys including procedures for adding magnesium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D1/00—Treatment of fused masses in the ladle or the supply runners before casting
-
- 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
- C21C1/10—Making spheroidal graphite cast-iron
-
- 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
- C21C1/10—Making spheroidal graphite cast-iron
- C21C1/105—Nodularising additive agents
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
- Treatment Of Steel In Its Molten State (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- External Artificial Organs (AREA)
Claims (8)
1. Magnesiumbehandlingsförfarande för att ernä en behandlad smälta med mindre än 100 g/t ej metalliska inne- 5 slutningar, kännetecknat därav, att behand-lingsreaktionen med magnesium vilken sker minst 200 mm under smältans yta, styres sälunda att den förängade mag-nesiummängden utvecklar en blandningsenergi pä minst 1000 W/m3, och pä ytan ovanför behandlingskärlet bildas en 10 ej oxiderande atmosfär.
2. Förfarande enligt patentkrav 1, känne- t e c k n a t därav, att som behandligsämne användes ren magnesium i bitform.
3. Förfarande enligt patentkrav 1, känne- 15 tecknat därav, att som behandligsämne användes mag-nesiumgranuler.
4. Förfarande enligt patentkrav 1, känne-tecknat därav, att som behandligsämne användes en blandning av ren magnesium i granulform och ett reaktions- 20 inert ämne, exempelvis järnspän etc. innehällande minst 40 vikt-% magnesium.
5. Förfarande enligt nägot av patentkraven 1-4, kännetecknat därav, att magnesiumutbytet är högst 75 %. 25
6. Förfarande enligt nägot av patentkraven 1-5, kännetecknat därav, att utgängsmältans svavel-halt är 0,001 - 0,30 vikt-%.
7. Förfarande enligt nägot av patentkraven 1-6, kännetecknat därav, att behandlingstemperatu- 30 ren är 1400 - 1530 K.
8. Förfarande enligt nägot av patentkraven 1-7, kännetecknat därav, att behandlingsslaggens basicitet är över 1.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH4258/89A CH679987A5 (sv) | 1989-11-28 | 1989-11-28 | |
| CH425889 | 1989-11-28 | ||
| AU67673/90A AU637433B2 (en) | 1989-11-28 | 1990-11-30 | Magnesium treatment process and apparatus for carrying out this process |
| AU6767390 | 1990-11-30 |
Publications (4)
| Publication Number | Publication Date |
|---|---|
| FI905860A0 FI905860A0 (sv) | 1990-11-28 |
| FI905860L FI905860L (sv) | 1991-05-29 |
| FI94775B true FI94775B (sv) | 1995-07-14 |
| FI94775C FI94775C (sv) | 1995-10-25 |
Family
ID=25635454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI905860A FI94775C (sv) | 1989-11-28 | 1990-11-28 | Magnesiumbehandlingsförfarande |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US5098651A (sv) |
| JP (1) | JP2895956B2 (sv) |
| AT (1) | AT399514B (sv) |
| AU (1) | AU637433B2 (sv) |
| CA (1) | CA2030977C (sv) |
| CH (1) | CH679987A5 (sv) |
| CS (1) | CS591390A3 (sv) |
| DE (1) | DE4033182A1 (sv) |
| FI (1) | FI94775C (sv) |
| FR (1) | FR2654961B1 (sv) |
| GB (1) | GB2239029B (sv) |
| IT (1) | IT1245733B (sv) |
| NL (1) | NL9002548A (sv) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10025940A1 (de) * | 2000-05-26 | 2001-11-29 | Georg Fischer Disa Ag | Verfahren zur Herstellung von Kugelgraphit-Gusseisen |
| PT2251443E (pt) * | 2009-05-06 | 2011-12-22 | Foseco Int | Concha de tratamento |
| FR3006695A1 (fr) | 2013-06-10 | 2014-12-12 | Mourad Toumi | Procede et dispositif de traitement d'un metal ou d'un alliage metallique en fusion par une substance additive |
| CN108788027A (zh) * | 2018-06-23 | 2018-11-13 | 共享装备股份有限公司 | 球墨铸铁的球化装置及球化方法 |
| WO2023111403A1 (fr) * | 2021-12-13 | 2023-06-22 | Sediver | Nuance de fonte ductile à matrice ferritique renforcée |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2776206A (en) * | 1953-08-01 | 1957-01-01 | Int Nickel Co | Method and apparatus for introducing low-boiling substances into molten metal |
| GB1054885A (sv) * | 1964-06-08 | |||
| US3367646A (en) * | 1965-02-23 | 1968-02-06 | Dow Chemical Co | Apparatus for injecting metal vapors into a molten metal |
| DE1815214C3 (de) * | 1968-01-26 | 1975-06-19 | Georg Fischer Ag, Schaffhausen (Schweiz) | 03.12.68 Schweiz 17961-68 Kippbares BehandlungsgefäB zum Behandeln von Metall-Schmelzen durch Einbringen verdampfbarer Zusätze, insbesondere zum Herstellen von Eisen-Kohlenstoff-GuBwerkstoffen mit Kugelgraphit durch Einbringen von Reinmagnesium in die im Gefäß enthaltene Schmelze Georg Fischer AG, Schaffhausen (Schweiz) |
| US3598383A (en) * | 1969-01-14 | 1971-08-10 | William H Moore | Method and apparatus for incorporating additives in a melt |
| US3955974A (en) * | 1971-05-18 | 1976-05-11 | Georg Fischer Aktiengesellschaft | Apparatus and method for treating a metal melt with a vaporizable substance |
| CH549643A (de) * | 1971-05-18 | 1974-05-31 | Fischer Ag Georg | Verfahren und vorrichtung zur behandlung einer metallschmelze mit verdampfenden zusaetzen. |
| JPS51131410A (en) * | 1975-05-12 | 1976-11-15 | Kubota Ltd | Method for adding low-boiling metal to molten metal |
| DE3021707A1 (de) * | 1980-06-10 | 1981-12-17 | Klöckner-Humboldt-Deutz AG, 5000 Köln | Vorrichtung zum einfuehren stark reagierender zusaetze in eine metallschmelze |
| CH664580A5 (de) * | 1984-12-21 | 1988-03-15 | Fischer Ag Georg | Verfahren zum verdampfen von zusatzstoffen in einer metallschmelze. |
| CH668925A5 (de) * | 1985-12-31 | 1989-02-15 | Fischer Ag Georg | Behandlungsgefaess zur behandlung von fluessigen metall-legierungen. |
| GB8613106D0 (en) * | 1986-05-29 | 1986-07-02 | British Steel Corp | Production of iron |
-
1989
- 1989-11-28 CH CH4258/89A patent/CH679987A5/de not_active IP Right Cessation
-
1990
- 1990-10-19 DE DE4033182A patent/DE4033182A1/de active Granted
- 1990-11-02 FR FR909013617A patent/FR2654961B1/fr not_active Expired - Lifetime
- 1990-11-14 IT IT02205290A patent/IT1245733B/it active IP Right Grant
- 1990-11-22 NL NL9002548A patent/NL9002548A/nl active Search and Examination
- 1990-11-26 AT AT0239490A patent/AT399514B/de not_active IP Right Cessation
- 1990-11-27 GB GB9025719A patent/GB2239029B/en not_active Expired - Lifetime
- 1990-11-28 CA CA002030977A patent/CA2030977C/en not_active Expired - Lifetime
- 1990-11-28 FI FI905860A patent/FI94775C/sv active IP Right Grant
- 1990-11-28 US US07/619,043 patent/US5098651A/en not_active Expired - Lifetime
- 1990-11-28 JP JP2323348A patent/JP2895956B2/ja not_active Expired - Fee Related
- 1990-11-28 CS CS905913A patent/CS591390A3/cs unknown
- 1990-11-30 AU AU67673/90A patent/AU637433B2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| AT399514B (de) | 1995-05-26 |
| GB2239029A (en) | 1991-06-19 |
| AU6767390A (en) | 1991-09-12 |
| IT1245733B (it) | 1994-10-14 |
| ATA239490A (de) | 1994-10-15 |
| US5098651A (en) | 1992-03-24 |
| AU637433B2 (en) | 1993-05-27 |
| GB9025719D0 (en) | 1991-01-09 |
| CH679987A5 (sv) | 1992-05-29 |
| FI905860A0 (sv) | 1990-11-28 |
| FR2654961B1 (fr) | 1994-09-09 |
| JPH03180417A (ja) | 1991-08-06 |
| FI905860L (sv) | 1991-05-29 |
| JP2895956B2 (ja) | 1999-05-31 |
| CA2030977A1 (en) | 1991-05-29 |
| CS591390A3 (en) | 1992-11-18 |
| GB2239029B (en) | 1994-06-15 |
| DE4033182A1 (de) | 1991-05-29 |
| FR2654961A1 (fr) | 1991-05-31 |
| FI94775C (sv) | 1995-10-25 |
| NL9002548A (nl) | 1991-06-17 |
| DE4033182C2 (sv) | 1992-02-13 |
| IT9022052A1 (it) | 1992-05-14 |
| CA2030977C (en) | 2000-01-18 |
| IT9022052A0 (it) | 1990-11-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BB | Publication of examined application | ||
| FG | Patent granted |
Owner name: GEORG FISCHER AG |