FR2446581B1 - - Google Patents
Info
- Publication number
- FR2446581B1 FR2446581B1 FR8000459A FR8000459A FR2446581B1 FR 2446581 B1 FR2446581 B1 FR 2446581B1 FR 8000459 A FR8000459 A FR 8000459A FR 8000459 A FR8000459 A FR 8000459A FR 2446581 B1 FR2446581 B1 FR 2446581B1
- Authority
- FR
- France
- 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
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B7/00—Heating by electric discharge
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B4/00—Electrothermal treatment of ores or metallurgical products for obtaining metals or alloys
- C22B4/005—Electrothermal treatment of ores or metallurgical products for obtaining metals or alloys using plasma jets
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H1/00—Generating plasma; Handling plasma
- H05H1/24—Generating plasma
- H05H1/26—Plasma torches
- H05H1/32—Plasma torches using an arc
- H05H1/34—Details, e.g. electrodes, nozzles
- H05H1/3405—Arrangements for stabilising or constricting the arc, e.g. by an additional gas flow
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H1/00—Generating plasma; Handling plasma
- H05H1/24—Generating plasma
- H05H1/26—Plasma torches
- H05H1/32—Plasma torches using an arc
- H05H1/34—Details, e.g. electrodes, nozzles
- H05H1/3436—Hollow cathodes with internal coolant flow
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H1/00—Generating plasma; Handling plasma
- H05H1/24—Generating plasma
- H05H1/26—Plasma torches
- H05H1/32—Plasma torches using an arc
- H05H1/34—Details, e.g. electrodes, nozzles
- H05H1/3468—Vortex generators
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H1/00—Generating plasma; Handling plasma
- H05H1/24—Generating plasma
- H05H1/26—Plasma torches
- H05H1/32—Plasma torches using an arc
- H05H1/42—Plasma torches using an arc with provisions for introducing materials into the plasma, e.g. powder, liquid
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H1/00—Generating plasma; Handling plasma
- H05H1/24—Generating plasma
- H05H1/26—Plasma torches
- H05H1/32—Plasma torches using an arc
- H05H1/34—Details, e.g. electrodes, nozzles
- H05H1/3442—Cathodes with inserted tip
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Manufacturing & Machinery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Discharge Heating (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Plasma Technology (AREA)
- Processing Of Solid Wastes (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/002,288 US4234334A (en) | 1979-01-10 | 1979-01-10 | Arc control in plasma arc reactors |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2446581A1 FR2446581A1 (fr) | 1980-08-08 |
| FR2446581B1 true FR2446581B1 (US06168776-20010102-C00041.png) | 1983-03-11 |
Family
ID=21700088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8000459A Granted FR2446581A1 (fr) | 1979-01-10 | 1980-01-10 | Procede pour commander l'arc dans un reacteur a arc de plasma |
Country Status (9)
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1173784A (en) * | 1981-07-30 | 1984-09-04 | William H. Gauvin | Transferred-arc plasma reactor for chemical and metallurgical applications |
| DE3406953C2 (de) * | 1983-04-19 | 1986-03-13 | Balzers Hochvakuum Gmbh, 6200 Wiesbaden | Verfahren zum Erwärmen von Heizgut in einem Vakuumrezipienten |
| US4489041A (en) * | 1983-07-06 | 1984-12-18 | Allied Corporation | Non plugging falling film plasma reactor |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3020151A (en) * | 1957-02-26 | 1962-02-06 | John S Nachtman | Beneficiation and recovery of metals |
| NL267658A (US06168776-20010102-C00041.png) * | 1961-07-26 | |||
| CH400107A (de) * | 1961-10-11 | 1965-10-15 | Lonza Ag | Verfahren zur Gewinnung von Methanol durch Verseifung von Methylacetat |
| BE627823A (US06168776-20010102-C00041.png) * | 1963-08-01 | |||
| US3429691A (en) * | 1966-08-19 | 1969-02-25 | Aerojet General Co | Plasma reduction of titanium dioxide |
| US3432606A (en) * | 1967-03-07 | 1969-03-11 | Exxon Research Engineering Co | Stabilized arcs in electric furnaces |
| US3524006A (en) * | 1967-10-19 | 1970-08-11 | Qualitats Und Edelstahl Kom Ve | Method and apparatus for controlling arc discharge in plasma arc furnaces |
| US3505460A (en) * | 1968-05-15 | 1970-04-07 | Westinghouse Electric Corp | Electric arc vacuum furnace employing nonconsumable electrode |
| USRE28570E (en) | 1971-02-16 | 1975-10-14 | High temperature treatment of materials | |
| BE791550A (fr) * | 1971-11-20 | 1973-03-16 | Max Planck Gesellschaft | Procede et dispositif pour le traitement d'un materiau au moyendu plasma d'un arc electrique |
| US4002466A (en) * | 1975-11-03 | 1977-01-11 | Bethlehem Steel Corporation | Method of reducing ores |
| US4099958A (en) * | 1976-04-09 | 1978-07-11 | Bethlehem Steel Corporation | Method of producing vanadium |
-
1979
- 1979-01-10 US US06/002,288 patent/US4234334A/en not_active Expired - Lifetime
-
1980
- 1980-01-08 CA CA343,208A patent/CA1112303A/en not_active Expired
- 1980-01-08 DE DE19803000455 patent/DE3000455A1/de not_active Withdrawn
- 1980-01-09 BE BE0/198900A patent/BE881061A/fr not_active IP Right Cessation
- 1980-01-10 ZA ZA00800156A patent/ZA80156B/xx unknown
- 1980-01-10 GB GB8000880A patent/GB2041710B/en not_active Expired
- 1980-01-10 JP JP94680A patent/JPS5593695A/ja active Pending
- 1980-01-10 SE SE8000188A patent/SE8000188L/ not_active Application Discontinuation
- 1980-01-10 FR FR8000459A patent/FR2446581A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE3000455A1 (de) | 1980-07-31 |
| SE8000188L (sv) | 1980-07-11 |
| GB2041710B (en) | 1983-01-06 |
| FR2446581A1 (fr) | 1980-08-08 |
| JPS5593695A (en) | 1980-07-16 |
| ZA80156B (en) | 1981-01-28 |
| CA1112303A (en) | 1981-11-10 |
| US4234334A (en) | 1980-11-18 |
| GB2041710A (en) | 1980-09-10 |
| BE881061A (fr) | 1980-07-09 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |