NO853866L - Fremgangsm¨te og anordning til opprettholdelse eller ¯knin g av temperaturen i en metallsmelte. - Google Patents
Fremgangsm¨te og anordning til opprettholdelse eller ¯knin g av temperaturen i en metallsmelte.Info
- Publication number
- NO853866L NO853866L NO853866A NO853866A NO853866L NO 853866 L NO853866 L NO 853866L NO 853866 A NO853866 A NO 853866A NO 853866 A NO853866 A NO 853866A NO 853866 L NO853866 L NO 853866L
- Authority
- NO
- Norway
- Prior art keywords
- accordance
- plasma
- plasma torches
- cover
- distance
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 29
- 238000012423 maintenance Methods 0.000 title 1
- 239000002184 metal Substances 0.000 claims description 41
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 18
- 239000007789 gas Substances 0.000 claims description 10
- 239000011261 inert gas Substances 0.000 claims description 10
- 229910052786 argon Inorganic materials 0.000 claims description 9
- 238000002844 melting Methods 0.000 claims description 7
- 230000008018 melting Effects 0.000 claims description 7
- 230000001965 increasing effect Effects 0.000 claims description 4
- 239000002893 slag Substances 0.000 claims description 4
- 239000011819 refractory material Substances 0.000 claims description 2
- 230000001154 acute effect Effects 0.000 claims 2
- 238000010438 heat treatment Methods 0.000 description 18
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 11
- 229910002804 graphite Inorganic materials 0.000 description 8
- 239000010439 graphite Substances 0.000 description 8
- 239000000155 melt Substances 0.000 description 8
- 230000033001 locomotion Effects 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000011010 flushing procedure Methods 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 239000004575 stone Substances 0.000 description 4
- 238000009489 vacuum treatment Methods 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 238000003723 Smelting Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 241001062472 Stokellia anisodon Species 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 238000013021 overheating Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000011282 treatment Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910000952 Be alloy Inorganic materials 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 238000005267 amalgamation Methods 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000009849 vacuum degassing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
- B22D41/005—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like with heating or cooling means
- B22D41/01—Heating means
-
- 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
- C21C5/5229—Manufacture of steel in electric furnaces in a direct current [DC] electric arc 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)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
- Furnace Details (AREA)
- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
- Coating With Molten Metal (AREA)
- Continuous Casting (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3437333 | 1984-10-11 | ||
| DE19843443740 DE3443740A1 (de) | 1984-10-11 | 1984-11-30 | Verfahren und vorrichtung zum halten oder erhoehen der temperatur einer metallschmelze |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO853866L true NO853866L (no) | 1986-04-14 |
Family
ID=25825559
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO853866A NO853866L (no) | 1984-10-11 | 1985-10-01 | Fremgangsm¨te og anordning til opprettholdelse eller ¯knin g av temperaturen i en metallsmelte. |
Country Status (5)
| Country | Link |
|---|---|
| US (2) | US4632700A (es) |
| EP (1) | EP0180741A1 (es) |
| DE (1) | DE3443740A1 (es) |
| ES (1) | ES8609489A1 (es) |
| NO (1) | NO853866L (es) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4918282A (en) * | 1986-01-10 | 1990-04-17 | Plasma Energy Corporation | Method and apparatus for heating molten steel utilizing a plasma arc torch |
| US4734551A (en) * | 1986-01-10 | 1988-03-29 | Plasma Energy Corporation | Method and apparatus for heating molten steel utilizing a plasma arc torch |
| 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 |
| DE3915619A1 (de) * | 1989-05-12 | 1990-11-15 | Mannesmann Ag | Verfahren zum erzielen einer temperatur einer metallschmelze |
| GB9000818D0 (en) * | 1990-01-15 | 1990-03-14 | Davy Mckee Sheffield | Tundish |
| DE4214539C1 (es) * | 1992-04-27 | 1993-07-22 | Mannesmann Ag, 4000 Duesseldorf, De | |
| US5798496A (en) * | 1995-01-09 | 1998-08-25 | Eckhoff; Paul S. | Plasma-based waste disposal system |
| US5808267A (en) * | 1995-01-09 | 1998-09-15 | Eckhoff; Paul S. | Plasma gun with gas distribution plug |
| AUPN595095A0 (en) * | 1995-10-16 | 1995-11-09 | Bhp Steel (Jla) Pty Limited | Heating molten metal |
| ITRM20010634A1 (it) * | 2001-10-26 | 2003-04-28 | Ct Sviluppo Materiali Spa | Elettrodo, in particolare per forni elettrici ad arco di tipo siderurgico e simili, e relativo metodo di esercizio. |
| US6877289B2 (en) * | 2002-03-06 | 2005-04-12 | Gpi International, Inc. | Panel door |
| US7678176B2 (en) * | 2006-06-30 | 2010-03-16 | Midrex Technologies, Inc. | Method and apparatus for charging hot direct reduced iron from hot transport vessels into a melter or finisher |
| DE102006050771A1 (de) * | 2006-10-27 | 2008-04-30 | Sms Mevac Gmbh | Verfahren und Vorrichtung zum Überwachen, Steuern und/oder Regeln des Spritzverhaltens einer Metallschmelze |
| DE102009043639A1 (de) * | 2009-09-29 | 2011-03-31 | Sms Siemag Aktiengesellschaft | Verfahren und Vorrichtung zur Steuerung der Erzeugung einer Schaumschlacke in einer metallischen Schmelze |
| WO2017048523A1 (en) * | 2015-09-15 | 2017-03-23 | Retech Systems Llc | Laser sensor for melt control of hearth furnaces and the like |
| CN108262465B (zh) * | 2018-01-26 | 2019-12-03 | 济南韶欣耐磨材料有限公司 | 一种耐磨反击式破碎机板锤的制造方法 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1338881A (en) * | 1920-02-13 | 1920-05-04 | Stock Guy James | Production of iron in an electric furnace |
| US3147329A (en) * | 1955-07-26 | 1964-09-01 | Union Carbide Corp | Method and apparatus for heating metal melting furnaces |
| US3547622A (en) * | 1968-06-12 | 1970-12-15 | Pennwalt Corp | D.c. powered plasma arc method and apparatus for refining molten metal |
| US3764297A (en) * | 1971-08-18 | 1973-10-09 | Airco Inc | Method and apparatus for purifying metal |
| GB1384259A (en) * | 1972-02-01 | 1975-02-19 | Finkl & Sons Co | Method and apparatus for desulphurizing steel |
| SE449373B (sv) * | 1977-07-01 | 1987-04-27 | Dso Cherna Metalurgia | Sett och anordning for raffinering av jernbaserade smeltor i elektrisk reaktionsugn |
| DE2951120A1 (de) * | 1979-12-19 | 1981-07-02 | VEB Edelstahlwerk 8. Mai 1945 Freital, DDR 8210 Freital | Metallurgischer plasmaschmelzofen |
| CA1173784A (en) * | 1981-07-30 | 1984-09-04 | William H. Gauvin | Transferred-arc plasma reactor for chemical and metallurgical applications |
| US4401464A (en) * | 1982-04-12 | 1983-08-30 | Scandinavian Lancers Aktiebolaget | Injection metallurgy method and equipment for its execution |
| EP0096493B1 (en) * | 1982-05-25 | 1987-08-19 | Johnson Matthey Public Limited Company | Plasma arc furnace |
-
1984
- 1984-11-30 DE DE19843443740 patent/DE3443740A1/de not_active Withdrawn
-
1985
- 1985-09-14 EP EP85111635A patent/EP0180741A1/de not_active Withdrawn
- 1985-10-01 NO NO853866A patent/NO853866L/no unknown
- 1985-10-08 US US06/785,592 patent/US4632700A/en not_active Expired - Fee Related
- 1985-10-10 ES ES547762A patent/ES8609489A1/es not_active Expired
-
1986
- 1986-09-03 US US06/903,303 patent/US4713826A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| EP0180741A1 (de) | 1986-05-14 |
| US4713826A (en) | 1987-12-15 |
| ES8609489A1 (es) | 1986-07-16 |
| US4632700A (en) | 1986-12-30 |
| DE3443740A1 (de) | 1986-04-17 |
| ES547762A0 (es) | 1986-07-16 |
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