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FR2586334B2 - METHOD OF HEAT TREATMENT WITH A MICROWAVE PLASMA TORCH, AND TORCH FOR IMPLEMENTING IT - Google Patents
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FR2586334B2 - METHOD OF HEAT TREATMENT WITH A MICROWAVE PLASMA TORCH, AND TORCH FOR IMPLEMENTING IT - Google Patents

METHOD OF HEAT TREATMENT WITH A MICROWAVE PLASMA TORCH, AND TORCH FOR IMPLEMENTING IT

Info

Publication number
FR2586334B2
FR2586334B2 FR8512376A FR8512376A FR2586334B2 FR 2586334 B2 FR2586334 B2 FR 2586334B2 FR 8512376 A FR8512376 A FR 8512376A FR 8512376 A FR8512376 A FR 8512376A FR 2586334 B2 FR2586334 B2 FR 2586334B2
Authority
FR
France
Prior art keywords
torch
implementing
heat treatment
microwave plasma
plasma torch
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
Application number
FR8512376A
Other languages
French (fr)
Other versions
FR2586334A2 (en
Inventor
Patrick Le Gall
Thierry Legiret
Alain De La Rocheterie
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Air Liquide SA
Original Assignee
Air Liquide SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from FR8318266A external-priority patent/FR2555392B1/en
Application filed by Air Liquide SA filed Critical Air Liquide SA
Priority to FR8512376A priority Critical patent/FR2586334B2/en
Publication of FR2586334A2 publication Critical patent/FR2586334A2/en
Application granted granted Critical
Publication of FR2586334B2 publication Critical patent/FR2586334B2/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H05H1/30—Plasma torches using applied electromagnetic fields, e.g. high frequency or microwave energy
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/38—Torches, e.g. for brazing or heating
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Plasma Technology (AREA)
FR8512376A 1983-11-17 1985-08-14 METHOD OF HEAT TREATMENT WITH A MICROWAVE PLASMA TORCH, AND TORCH FOR IMPLEMENTING IT Expired FR2586334B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8512376A FR2586334B2 (en) 1983-11-17 1985-08-14 METHOD OF HEAT TREATMENT WITH A MICROWAVE PLASMA TORCH, AND TORCH FOR IMPLEMENTING IT

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8318266A FR2555392B1 (en) 1983-11-17 1983-11-17 PROCESS FOR HEAT TREATMENT, ESPECIALLY CUTTING, WITH A PLASMA JET
FR8512376A FR2586334B2 (en) 1983-11-17 1985-08-14 METHOD OF HEAT TREATMENT WITH A MICROWAVE PLASMA TORCH, AND TORCH FOR IMPLEMENTING IT

Publications (2)

Publication Number Publication Date
FR2586334A2 FR2586334A2 (en) 1987-02-20
FR2586334B2 true FR2586334B2 (en) 1989-02-24

Family

ID=26223685

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8512376A Expired FR2586334B2 (en) 1983-11-17 1985-08-14 METHOD OF HEAT TREATMENT WITH A MICROWAVE PLASMA TORCH, AND TORCH FOR IMPLEMENTING IT

Country Status (1)

Country Link
FR (1) FR2586334B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019085542A1 (en) * 2017-11-06 2019-05-09 清华大学 Device using microwave plasma to process plastic waste

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0790756B2 (en) * 1991-04-12 2008-08-20 Hypertherm, Inc. Plasma arc cutting process using an oxygen-rich gas shield
US7079370B2 (en) 2003-04-28 2006-07-18 Air Products And Chemicals, Inc. Apparatus and method for removal of surface oxides via fluxless technique electron attachment and remote ion generation
TWI274622B (en) * 2003-04-28 2007-03-01 Air Prod & Chem Apparatus and method for removal of surface oxides via fluxless technique involving electron attachment and remote ion generation
US7434719B2 (en) 2005-12-09 2008-10-14 Air Products And Chemicals, Inc. Addition of D2 to H2 to detect and calibrate atomic hydrogen formed by dissociative electron attachment
CN114905174A (en) * 2022-05-18 2022-08-16 东北石油大学 Plasma-flame coaxial composite cutting process for nuclear power thick-walled stainless steel complex pipe fittings

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2587331A (en) * 1947-08-08 1952-02-26 Gen Electric High-frequency electrical heating method and apparatus
GB1214140A (en) * 1968-01-17 1970-12-02 Zentralinstitut Schweiss Method of conforming the cutting jet in plasma cutting
US3534388A (en) * 1968-03-13 1970-10-13 Hitachi Ltd Plasma jet cutting process
FR2555392B1 (en) * 1983-11-17 1986-08-22 Air Liquide PROCESS FOR HEAT TREATMENT, ESPECIALLY CUTTING, WITH A PLASMA JET

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019085542A1 (en) * 2017-11-06 2019-05-09 清华大学 Device using microwave plasma to process plastic waste

Also Published As

Publication number Publication date
FR2586334A2 (en) 1987-02-20

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