GB801518A - An improved process and apparatus for de-gasifying molten metal - Google Patents
An improved process and apparatus for de-gasifying molten metalInfo
- Publication number
- GB801518A GB801518A GB761/57A GB76157A GB801518A GB 801518 A GB801518 A GB 801518A GB 761/57 A GB761/57 A GB 761/57A GB 76157 A GB76157 A GB 76157A GB 801518 A GB801518 A GB 801518A
- Authority
- GB
- United Kingdom
- Prior art keywords
- ladle
- vessel
- degasified
- melt
- vacuum
- 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
- 239000002184 metal Substances 0.000 title abstract 4
- 238000000034 method Methods 0.000 title abstract 2
- 239000000155 melt Substances 0.000 abstract 5
- 229910000831 Steel Inorganic materials 0.000 abstract 4
- 239000010959 steel Substances 0.000 abstract 4
- 238000010438 heat treatment Methods 0.000 abstract 3
- 238000007872 degassing Methods 0.000 abstract 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract 1
- 229910052799 carbon Inorganic materials 0.000 abstract 1
- 230000006698 induction Effects 0.000 abstract 1
- 239000002893 slag Substances 0.000 abstract 1
- 239000002344 surface layer Substances 0.000 abstract 1
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
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/10—Handling in a vacuum
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)
Abstract
801,518. Degasifying steel. DORTMUNDHORDER HUTTENUNION AKT.-GES. Jan. 8, 1957 [Jan. 17, 1956; Feb. 27, 1956;], No. 761/57. Class 72. Molten metal is degasified by removing and degasifying successive small portions of a melt contained in a ladle, the degasified portion being returned to the main. bulk each time until the desired level of degasification has been attained. As shown, the apparatus for degasifying steel consists of a ladle 12, carried on truck 11 by platform 13 the vertical height of which can be adjusted by the hydraulic ram 14, and a vacuum vessel 4 with a refractory lining 2 and metal casing 1 connected to a vacuum pump 9 by the line 10. In operation, the ladle is positioned beneath the vacuum vessel 4 and is raised so that the end of inlet pipe 5 dips beneath the surface of the melt, the thin metal cone 8 serving to push aside the surface layer of slag before it melts. A vacuum is established in the vessel 4 and a small quantity of molten steel is drawn into the vessel and degasified after which the ladle is lowered sufficiently to remove the molten steel from the vessel 4 but keeping the outlet of pipe 5 beneath the surface of the melt. The sequence of operations is repeated until the melt in ladle 12 is degasified. The vacuum vessel 4 may be heated by resistance heating, carbon rod heating, induction, arc or glow discharge heating during the degasification process.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE346230X | 1956-01-17 | ||
| DE270256X | 1956-02-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB801518A true GB801518A (en) | 1958-09-17 |
Family
ID=25771498
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB761/57A Expired GB801518A (en) | 1956-01-17 | 1957-01-08 | An improved process and apparatus for de-gasifying molten metal |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US2929704A (en) |
| CH (1) | CH346230A (en) |
| GB (1) | GB801518A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1154818B (en) * | 1959-04-25 | 1963-09-26 | Dortmunder Hoerder Huettenunio | Vacuum chamber for degassing molten metals |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3136834A (en) * | 1957-02-21 | 1964-06-09 | Heraeus Gmbh W C | Apparatus for continuously degassing molten metals by evacuation |
| US2991063A (en) * | 1958-03-28 | 1961-07-04 | Int Alloys Ltd | Apparatus for the continuous vacuum treatment of metals |
| US3071458A (en) * | 1960-05-09 | 1963-01-01 | Finkl & Sons Co | Method of adding charge material to molten metal under vacuum |
| US3240588A (en) * | 1961-01-09 | 1966-03-15 | Finkl & Sons Co | Method and apparatus for treating molten metal |
| US3246889A (en) * | 1961-05-16 | 1966-04-19 | Mc Graw Edison Co | Apparatus for degassing metals |
| BE621914A (en) * | 1961-12-06 | |||
| US3337330A (en) * | 1964-08-14 | 1967-08-22 | Finkl & Sons Co | Treatment of molten metal |
| US3501289A (en) * | 1965-06-09 | 1970-03-17 | Finkl & Sons Co | Method and apparatus for adding heat to molten metal under vacuum |
| US3592456A (en) * | 1970-01-30 | 1971-07-13 | Louis F Miklos | Slag breaker shield for degassing apparatus |
| GB8527264D0 (en) * | 1985-11-05 | 1985-12-11 | Foseci International Ltd | Continuous casting device |
| AT404105B (en) * | 1995-07-27 | 1998-08-25 | Voest Alpine Ind Anlagen | METHOD FOR CONTINUOUSLY casting a METAL MELT |
| WO1998051826A1 (en) * | 1997-05-15 | 1998-11-19 | Wondris Erich F | Apparatus for and method of treating liquid metal |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1931144A (en) * | 1930-10-10 | 1933-10-17 | Du Pont | Treatment of metals |
| US1921060A (en) * | 1931-03-23 | 1933-08-08 | Clyde E Williams | Method of purifying metals |
| US1916042A (en) * | 1932-05-20 | 1933-06-27 | Louis C Edgar | Apparatus for treating ingots |
| AT138020B (en) * | 1933-07-19 | 1934-06-25 | Berndorfer Metallwarenfabrik | Method and device for degassing metal baths. |
| US2587793A (en) * | 1949-04-05 | 1952-03-04 | Waldron Frederic Barnes | Manufacture of steel |
-
1957
- 1957-01-08 GB GB761/57A patent/GB801518A/en not_active Expired
- 1957-01-14 US US633971A patent/US2929704A/en not_active Expired - Lifetime
- 1957-01-15 CH CH346230D patent/CH346230A/en unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1154818B (en) * | 1959-04-25 | 1963-09-26 | Dortmunder Hoerder Huettenunio | Vacuum chamber for degassing molten metals |
Also Published As
| Publication number | Publication date |
|---|---|
| CH346230A (en) | 1960-05-15 |
| US2929704A (en) | 1960-03-22 |
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