ZA8787B - Method and apparatus for heating molten steel utilizing a plasma arc torch - Google Patents
Method and apparatus for heating molten steel utilizing a plasma arc torchInfo
- Publication number
- ZA8787B ZA8787B ZA8787A ZA8787A ZA8787B ZA 8787 B ZA8787 B ZA 8787B ZA 8787 A ZA8787 A ZA 8787A ZA 8787 A ZA8787 A ZA 8787A ZA 8787 B ZA8787 B ZA 8787B
- Authority
- ZA
- South Africa
- Prior art keywords
- molten steel
- plasma arc
- arc torch
- heating molten
- steel utilizing
- Prior art date
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
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/52—Manufacture of steel in electric furnaces
- C21C5/5205—Manufacture of steel in electric furnaces in a plasma heated furnace
-
- 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
- C21C7/0075—Treating in a ladle furnace, e.g. up-/reheating of molten steel within the ladle
-
- 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
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Manufacturing & Machinery (AREA)
- Treatment Of Steel In Its Molten State (AREA)
- Furnace Details (AREA)
- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
- Plasma Technology (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/817,907 US4734551A (en) | 1986-01-10 | 1986-01-10 | Method and apparatus for heating molten steel utilizing a plasma arc torch |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA8787B true ZA8787B (en) | 1987-09-30 |
Family
ID=25224168
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA8787A ZA8787B (en) | 1986-01-10 | 1987-01-07 | Method and apparatus for heating molten steel utilizing a plasma arc torch |
Country Status (7)
Country | Link |
---|---|
US (1) | US4734551A (xx) |
EP (1) | EP0232961B1 (xx) |
JP (1) | JPH0781163B2 (xx) |
BR (1) | BR8700095A (xx) |
CA (1) | CA1301225C (xx) |
DE (1) | DE3765550D1 (xx) |
ZA (1) | ZA8787B (xx) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH059075Y2 (xx) * | 1987-01-27 | 1993-03-05 | ||
NO163412B (no) * | 1988-01-25 | 1990-02-12 | Elkem Technology | Plasmalanse. |
WO1989007499A1 (en) * | 1988-02-09 | 1989-08-24 | The Broken Hill Proprietary Company Limited | Superheating and microalloying of molten metal by contact with a plasma arc |
US4874313A (en) * | 1988-09-26 | 1989-10-17 | Ppg Industries, Inc. | Refractory clad lid for heating vessel |
DE68927849T2 (de) * | 1988-11-17 | 1997-07-24 | Schuller Corp | Verfahren zum Schmelzen von Stoffen |
GB8911441D0 (en) * | 1989-05-18 | 1989-07-05 | Tetronics Res & Dev Co Ltd | A process for the treatment of molten materials |
JPH0394960A (ja) * | 1989-09-08 | 1991-04-19 | Kobe Steel Ltd | 連続鋳造鋳込設備 |
GB9000818D0 (en) * | 1990-01-15 | 1990-03-14 | Davy Mckee Sheffield | Tundish |
GB9008833D0 (en) * | 1990-04-19 | 1990-06-13 | Boc Group Plc | Heating |
AUPN595095A0 (en) * | 1995-10-16 | 1995-11-09 | Bhp Steel (Jla) Pty Limited | Heating molten metal |
JP5624836B2 (ja) * | 2010-09-07 | 2014-11-12 | 特殊電極株式会社 | 取鍋予熱装置 |
KR102231371B1 (ko) * | 2020-01-29 | 2021-03-25 | 주식회사 피에스엠 | 콜드 플라즈마 발생장치 및 이를 포함하는 다중 콜드 플라즈마 어레이 장치 |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2828516A (en) * | 1955-02-08 | 1958-04-01 | Koppers Co Inc | Ladle for casting metal |
US3015554A (en) * | 1957-04-18 | 1962-01-02 | Rummel Roman | Method and device for carrying out metallurgical processes, particularly air refining processes |
DE1458936A1 (xx) * | 1965-07-01 | 1970-07-30 | ||
DE1288760B (de) * | 1966-06-14 | 1969-02-06 | Coupette | Verfahren zur Steuerung von Temperatur und Stahlanalyse beim Stranggiessen und Vorrichtung dazu |
US3496280A (en) * | 1968-08-15 | 1970-02-17 | United States Steel Corp | Method of refining steel in plasma-arc remelting |
US3546347A (en) * | 1969-06-18 | 1970-12-08 | Qualitaets Und Edelstahlkombin | Method and device for controlling performance of plasma arc furnaces |
JPS5036407B1 (xx) * | 1970-05-19 | 1975-11-25 | ||
BE789375A (fr) * | 1971-10-04 | 1973-01-15 | Krupp Gmbh | Procede pour la refusion d'eponge metallique a l'aide de plasmas gazeuxdans un creuset metallique refroidi |
US3819840A (en) * | 1972-05-18 | 1974-06-25 | Steel Corp | Control system for torch current in a plasma arc furnace |
US3749803A (en) * | 1972-08-24 | 1973-07-31 | Techn Applic Services Corp | Trough hearth construction and method for plasma arc furnace |
US3779182A (en) * | 1972-08-24 | 1973-12-18 | S Camacho | Refuse converting method and apparatus utilizing long arc column forming plasma torches |
US3749802A (en) * | 1972-08-24 | 1973-07-31 | Techn Applic Services Corp | Vessel preheating method and apparatus |
US4082914A (en) * | 1973-05-14 | 1978-04-04 | Nikolai Iosifovich Bortnichuk | Method of stabilizing arc voltage in plasma arc furnace and apparatus for effecting same |
JPS5841939B2 (ja) * | 1976-12-29 | 1983-09-16 | 大同特殊鋼株式会社 | 加熱装置及び加熱方法 |
GB1572847A (en) * | 1977-03-18 | 1980-08-06 | Rolls Royce | Plasma arc welding |
AT382014B (de) * | 1981-09-15 | 1986-12-29 | Voest Alpine Ag | Plasmaschmelzofen |
AT372110B (de) * | 1981-12-23 | 1983-09-12 | Voest Alpine Ag | Einrichtung zur herstellung von stahl |
DE3373170D1 (en) * | 1982-05-25 | 1987-09-24 | Johnson Matthey Plc | Plasma arc furnace |
DE3443740A1 (de) * | 1984-10-11 | 1986-04-17 | Fried. Krupp Gmbh, 4300 Essen | Verfahren und vorrichtung zum halten oder erhoehen der temperatur einer metallschmelze |
US4625092A (en) * | 1984-11-30 | 1986-11-25 | Plasma Energy Corporation | Plasma arc bulk air heating apparatus |
-
1986
- 1986-01-10 US US06/817,907 patent/US4734551A/en not_active Expired - Lifetime
-
1987
- 1987-01-06 CA CA000526805A patent/CA1301225C/en not_active Expired - Fee Related
- 1987-01-07 ZA ZA8787A patent/ZA8787B/xx unknown
- 1987-01-08 EP EP87300130A patent/EP0232961B1/en not_active Expired - Lifetime
- 1987-01-08 DE DE8787300130T patent/DE3765550D1/de not_active Expired - Fee Related
- 1987-01-09 JP JP62001948A patent/JPH0781163B2/ja not_active Expired - Fee Related
- 1987-01-12 BR BR8700095A patent/BR8700095A/pt not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
BR8700095A (pt) | 1987-12-01 |
JPH0781163B2 (ja) | 1995-08-30 |
EP0232961B1 (en) | 1990-10-17 |
CA1301225C (en) | 1992-05-19 |
EP0232961A1 (en) | 1987-08-19 |
DE3765550D1 (de) | 1990-11-22 |
US4734551A (en) | 1988-03-29 |
JPS62234654A (ja) | 1987-10-14 |
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