GB949060A - Continuous treatment of molten steel - Google Patents
Continuous treatment of molten steelInfo
- Publication number
- GB949060A GB949060A GB4007560A GB4007560A GB949060A GB 949060 A GB949060 A GB 949060A GB 4007560 A GB4007560 A GB 4007560A GB 4007560 A GB4007560 A GB 4007560A GB 949060 A GB949060 A GB 949060A
- Authority
- GB
- United Kingdom
- Prior art keywords
- steel
- container
- hole
- stopper rod
- nozzle
- 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
- 229910000831 Steel Inorganic materials 0.000 title abstract 6
- 239000010959 steel Substances 0.000 title abstract 6
- 229910003726 AI2O3 Inorganic materials 0.000 abstract 2
- 239000003570 air Substances 0.000 abstract 2
- 239000004411 aluminium Substances 0.000 abstract 2
- 229910052782 aluminium Inorganic materials 0.000 abstract 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminum Chemical compound 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- 238000000034 methods Methods 0.000 abstract 1
- 239000001308 nitrogen Substances 0.000 abstract 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Chemical compound data:image/svg+xml;base64,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 data:image/svg+xml;base64,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 N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract 1
- 229910052757 nitrogen Inorganic materials 0.000 abstract 1
- 238000003756 stirring Methods 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
- C21C7/04—Removing impurities by adding a treating agent
- C21C7/06—Deoxidising, e.g. killing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/10—Supplying or treating molten metal
- B22D11/11—Treating the molten metal
-
- 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
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/56—Manufacture of steel by other methods
- C21C5/567—Manufacture of steel by other methods operating in a continuous way
Abstract
<PICT:0949060/C3/1> Steel is treated by a continuous process which comprises placing it in an open container, heating and circulating it by electrical induction, deoxidizing it with aluminium so that alumina formed is taken up by a supernatant slag and continuously passing the steel from the container through a duct shielding it from the air into a mould. For example, molten steel 6 from a converter is poured, at a temperature 20 degrees below the normal temperature at the end of a converter heat, from a spout 3, and preferably in a stream of which one side is free, into a container 4 fitted with an electrical induction coil 10, where it is then heated and the aluminium and alloying addition,if any,are added continuously; alumina and other impurities come out in the supernatant slag 12 owing to the stirring action. The container 4 is connected by the duct 14 to an auxiliary chamber 16 which is filled with an inert gas e.g. nitrogen or argon supplied from cylinders 17 through the dome 18 and ducts 22, 23, 24 and fitted with an outlet nozzle 27 whose bore 28 diverges and a metal stopper rod 32 fixed to a piston 35 and a rod 36, the latter being located in a cylinder 37 between the dome 18 and chamber 16. Initially the stopper rod 32 is pressed downwards against the nozzle 27 by passing pressure fluid through the hole 44. To operate the flow of steel, the pressure of the inert gas is increased until the plug 9 is blown out of the hole 8, and the stopper rod 32 is raised by passing pressure fluid through the hole 45, the lower end of the nozzle 27 being below the level 30 of the liquid steel in the mould 31 to exclude air.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
LU37966 | 1959-11-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB949060A true GB949060A (en) | 1964-02-12 |
Family
ID=19722308
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB4007560A Expired GB949060A (en) | 1959-11-23 | 1960-11-22 | Continuous treatment of molten steel |
Country Status (3)
Country | Link |
---|---|
US (1) | US3206301A (en) |
GB (1) | GB949060A (en) |
LU (1) | LU37966A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5004153A (en) * | 1990-03-02 | 1991-04-02 | General Electric Company | Melt system for spray-forming |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3413401A (en) * | 1966-02-02 | 1968-11-26 | Northwestern Steel & Wire Co | Method and apparatus for melting metals by induction heating |
GB1277491A (en) * | 1969-02-27 | 1972-06-14 | Stoecker & Kunz G M B H | Improvements in closure devices for metallurgical and like vessels |
US3775091A (en) * | 1969-02-27 | 1973-11-27 | Interior | Induction melting of metals in cold, self-lined crucibles |
GB1312243A (en) * | 1969-03-21 | 1973-04-04 | Ashmore Benson Pease & Co Ltd | Continuous casting apparatus |
SE356914B (en) * | 1969-04-15 | 1973-06-12 | Voest Ag | |
US3679105A (en) * | 1970-03-05 | 1972-07-25 | Babcock & Wilcox Co | Nozzle arrangement for molten metal container vessel |
SE372187B (en) * | 1972-06-05 | 1974-12-16 | Graenges Essem Ab | |
US4120696A (en) * | 1973-05-19 | 1978-10-17 | Klockner-Werke Ag | Process for the production of steel |
FR2350909B1 (en) * | 1976-05-10 | 1980-10-31 | Zeppellini Dino | |
JPH045742B2 (en) * | 1984-03-14 | 1992-02-03 | Aichi Seiko Kk | |
JPS62170460A (en) * | 1986-01-21 | 1987-07-27 | Daido Steel Co Ltd | High strength valve spring steel and its manufacture |
US6627146B1 (en) * | 2000-12-28 | 2003-09-30 | Hayes Lemmerz International, Inc. | Stopper module device for a casting machine furnace apparatus |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1318164A (en) * | 1919-10-07 | John mcconnell | ||
US1309162A (en) * | 1919-07-08 | William r | ||
US2193034A (en) * | 1936-05-08 | 1940-03-12 | Mars Georg | Apparatus for treating materials under reduced pressure |
US2225373A (en) * | 1937-07-29 | 1940-12-17 | Norman P Goss | Method and apparatus for casting metal |
US2253421A (en) * | 1938-09-20 | 1941-08-19 | Mare Baltzar E L De | Method and apparatus for deoxidizing and degasifying liquid steel |
US2339337A (en) * | 1942-03-14 | 1944-01-18 | Int Smelting & Refining Co | Furnace launder construction |
US2741555A (en) * | 1951-03-17 | 1956-04-10 | Oesterriechisch Alpine Montang | Process for refining pig iron |
US2837790A (en) * | 1953-12-28 | 1958-06-10 | Ford Motor Co | Process for degassing ferrous metals |
US2788270A (en) * | 1954-08-10 | 1957-04-09 | Universal Cyclops Steel Corp | Method and apparatus for melting metal under vacuum |
US2976339A (en) * | 1956-12-03 | 1961-03-21 | Heraeus Gmbh W C | Vacuum smelting furnace and method of operation |
-
0
- LU LU37966D patent/LU37966A1/xx unknown
-
1960
- 1960-11-22 US US7104760 patent/US3206301A/en not_active Expired - Lifetime
- 1960-11-22 GB GB4007560A patent/GB949060A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5004153A (en) * | 1990-03-02 | 1991-04-02 | General Electric Company | Melt system for spray-forming |
Also Published As
Publication number | Publication date |
---|---|
LU37966A1 (en) | |
US3206301A (en) | 1965-09-14 |
LU37966A (en) |
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