FR2274197A1 - Procede et appareil de traitement thermique de matieres particulaires par un plasma - Google Patents

Procede et appareil de traitement thermique de matieres particulaires par un plasma

Info

Publication number
FR2274197A1
FR2274197A1 FR7517772A FR7517772A FR2274197A1 FR 2274197 A1 FR2274197 A1 FR 2274197A1 FR 7517772 A FR7517772 A FR 7517772A FR 7517772 A FR7517772 A FR 7517772A FR 2274197 A1 FR2274197 A1 FR 2274197A1
Authority
FR
France
Prior art keywords
plasma
thermal treatment
particular materials
materials
thermal
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.)
Granted
Application number
FR7517772A
Other languages
English (en)
Other versions
FR2274197B1 (fr
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.)
National Research Development Corp UK
Original Assignee
National Research Development Corp UK
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
Application filed by National Research Development Corp UK filed Critical National Research Development Corp UK
Publication of FR2274197A1 publication Critical patent/FR2274197A1/fr
Application granted granted Critical
Publication of FR2274197B1 publication Critical patent/FR2274197B1/fr
Granted 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
    • H05H1/32—Plasma torches using an arc
    • H05H1/44—Plasma torches using an arc using more than one torch
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J15/00—Chemical processes in general for reacting gaseous media with non-particulate solids, e.g. sheet material; Apparatus specially adapted therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
    • B01J19/087—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electric or magnetic energy
    • B01J19/088—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electric or magnetic energy giving rise to electric discharges
    • 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
    • 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
    • H05H1/36—Circuit arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • General Health & Medical Sciences (AREA)
  • Plasma Technology (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Furnace Details (AREA)
  • Discharge Heating (AREA)
  • Oxygen, Ozone, And Oxides In General (AREA)
  • Silicon Compounds (AREA)
FR7517772A 1974-06-07 1975-06-06 Procede et appareil de traitement thermique de matieres particulaires par un plasma Granted FR2274197A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB25415/74A GB1493394A (en) 1974-06-07 1974-06-07 Plasma heater assembly

Publications (2)

Publication Number Publication Date
FR2274197A1 true FR2274197A1 (fr) 1976-01-02
FR2274197B1 FR2274197B1 (fr) 1980-12-05

Family

ID=10227308

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7517772A Granted FR2274197A1 (fr) 1974-06-07 1975-06-06 Procede et appareil de traitement thermique de matieres particulaires par un plasma

Country Status (7)

Country Link
US (1) US3989512A (fr)
JP (1) JPS5754918B2 (fr)
CA (1) CA1038937A (fr)
DE (1) DE2525400A1 (fr)
FR (1) FR2274197A1 (fr)
GB (1) GB1493394A (fr)
ZA (1) ZA753466B (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2450029A1 (fr) * 1979-02-20 1980-09-19 Electricite De France Perfectionnements aux fours a plasma
FR2455013A1 (fr) * 1979-04-25 1980-11-21 Electricite De France Chamotte refractaire
FR2498409A1 (fr) * 1981-01-05 1982-07-23 G Energet Generateur de plasma
FR2526141A1 (fr) * 1982-04-30 1983-11-04 Electricite De France Procede et installation de chauffage d'un lit fluidise par injection de plasma

Families Citing this family (48)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4076640A (en) * 1975-02-24 1978-02-28 Xerox Corporation Preparation of spheroidized particles
CA1086914A (fr) * 1975-08-11 1980-10-07 Charles B. Wolf Procede de fabrication de boulettes de magnetite dans un four a arc
US4099958A (en) * 1976-04-09 1978-07-11 Bethlehem Steel Corporation Method of producing vanadium
US4157923A (en) * 1976-09-13 1979-06-12 Ford Motor Company Surface alloying and heat treating processes
JPS53124108A (en) * 1977-02-21 1978-10-30 Toyo Soda Mfg Co Ltd Manufacture of higyly purified metalic chromium
JPS53102211A (en) * 1977-02-18 1978-09-06 Toyo Soda Mfg Co Ltd Prepartion of metallic chromium
JPS53102813A (en) * 1977-02-21 1978-09-07 Toyo Soda Mfg Co Ltd Preparation of metallic chromium of high purity
US4147957A (en) * 1978-01-13 1979-04-03 Spectrametrics, Incorporated Plasma jet device and method of operating same
US4264354A (en) * 1979-07-31 1981-04-28 Cheetham J J Method of making spherical dental alloy powders
SE446014B (sv) * 1981-03-10 1986-08-04 Skf Steel Eng Ab Selektiv reduktion av tunga metaller ur finkornigt, i huvudsak oxidiskt, material
DE3147986C2 (de) * 1981-12-04 1992-02-27 Leybold-Heraeus GmbH, 5000 Köln Vorrichtung zur Erzeugung eines Mikrowellenplasmas für die Behandlung von Substraten, insbesondere zur Plasmapolymerisation von Monomeren
AU555039B2 (en) * 1982-01-19 1986-09-11 Westinghouse Electric Corporation Production of tungsten oxide
US4410358A (en) * 1982-12-13 1983-10-18 Thermo Electron Corporation Plasma recovery of tin from smelter dust
JPS59128020U (ja) * 1983-02-16 1984-08-29 松下精工株式会社 空気調和機のフイルタ−固定装置
US4725447A (en) * 1984-09-27 1988-02-16 Regents Of The University Of Minnesota Method of utilizing a plasma column
JPS62500290A (ja) * 1984-09-27 1987-02-05 リ−ジエンツ　オブ　ザ　ユニバ−シイテイ　オブ　ミネソタ 連続的ガスジェットを生じる複数ア−クのプラズマ装置
USRE32908E (en) * 1984-09-27 1989-04-18 Regents Of The University Of Minnesota Method of utilizing a plasma column
US4818837A (en) * 1984-09-27 1989-04-04 Regents Of The University Of Minnesota Multiple arc plasma device with continuous gas jet
JPS61242902A (ja) * 1985-04-19 1986-10-29 Natl Res Inst For Metals 高融点金属酸化物の超微粒子の製造法
US4630924A (en) * 1985-07-29 1986-12-23 The Dow Chemical Company Conical DC plasma emission source
US4753675A (en) * 1986-10-17 1988-06-28 Ovonic Synthetic Materials, Inc. Method of preparing a magnetic material
JPS63221842A (ja) * 1987-03-11 1988-09-14 Nippon Steel Corp 金属粉体、金属化合物粉体およびセラミツクス粉体の製造方法および装置
US5144110A (en) * 1988-11-04 1992-09-01 Marantz Daniel Richard Plasma spray gun and method of use
US4982067A (en) * 1988-11-04 1991-01-01 Marantz Daniel Richard Plasma generating apparatus and method
WO1992012273A1 (fr) * 1990-12-26 1992-07-23 Inzhenerny Tsentr ''plazmodinamika'' Procede et dispositif de traitement de materiau au plasma
GB9108891D0 (en) * 1991-04-25 1991-06-12 Tetronics Research & Dev Co Li Silica production
JP3203754B2 (ja) * 1992-03-30 2001-08-27 住友電気工業株式会社 ダイヤモンドの製造法および製造装置
FR2701267B1 (fr) * 1993-02-05 1995-04-07 Schwob Yvan Procédé pour la fabrication de suies carbonées à microstructures définies.
US7576296B2 (en) * 1995-03-14 2009-08-18 Battelle Energy Alliance, Llc Thermal synthesis apparatus
US6395197B1 (en) * 1999-12-21 2002-05-28 Bechtel Bwxt Idaho Llc Hydrogen and elemental carbon production from natural gas and other hydrocarbons
WO2001058625A1 (fr) * 2000-02-10 2001-08-16 Tetronics Limited Reacteur a arc de plasma pour la production de poudres fines
GB2359096B (en) * 2000-02-10 2004-07-21 Tetronics Ltd Apparatus and process for the production of fine powders
GB0004845D0 (en) 2000-02-29 2000-04-19 Tetronics Ltd A method and apparatus for packaging ultra fine powders into containers
KR100776068B1 (ko) 2000-04-10 2007-11-15 테트로닉스 엘티디 트윈 플라즈마 토치 장치
GB2364875A (en) * 2000-07-10 2002-02-06 Tetronics Ltd A plasma torch electrode
BR0115035A (pt) * 2000-11-10 2004-02-03 Apit Corp S A Processo de tratamento por meio de plasma atmosférico de um objeto a tratar em um material condutor de eletricidade e dispositivo para a execução do processo
KR100493731B1 (ko) * 2001-05-26 2005-06-03 한밭대학교 산학협력단 플라즈마 발생장치
JP2005528737A (ja) * 2002-03-28 2005-09-22 アピト コープ．エス．アー． 雰囲気プラズマ表面処理方法およびそれを実行するための装置
US6669823B1 (en) * 2002-06-17 2003-12-30 Nanophase Technologies Corporation Process for preparing nanostructured materials of controlled surface chemistry
JP2005293945A (ja) * 2004-03-31 2005-10-20 Tama Tlo Kk プラズマ加熱装置およびノズル付き電極
US7803210B2 (en) * 2006-08-09 2010-09-28 Napra Co., Ltd. Method for producing spherical particles having nanometer size, crystalline structure, and good sphericity
US9212058B2 (en) * 2009-04-19 2015-12-15 Christopher Lawrence de Graffenried, SR. Synthetic hydrogen-based gas manufacture and use
JP2011157261A (ja) 2010-01-07 2011-08-18 Mitsubishi Materials Corp 合成非晶質シリカ粉末及びその製造方法
EP3003548A4 (fr) * 2013-05-28 2017-03-01 Applied Light Technologies Inc. Appareil de traitement thermique d'une surface interne d'une structure tubulaire ou d'une autre structure fermée
DE102013106315B4 (de) * 2013-06-18 2016-09-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren und Vorrichtung zum Erzeugen eines physikalischen Plasmas
CN106976845B (zh) * 2017-05-05 2023-08-01 中国科学院过程工程研究所 一种喷雾燃烧装置及喷雾合成金属氧化物粉体的方法
US11654483B2 (en) * 2020-04-07 2023-05-23 General Electric Company Method for forming high quality powder for an additive manufacturing process
DE102022113765A1 (de) 2022-05-31 2023-11-30 Ferrum Decarb GmbH Wasserstoffplasma-Schmelzreduktionsofen, Verwendung und Verfahren mit diesem

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4413509Y1 (fr) * 1965-03-04 1969-06-05
CH458753A (de) * 1965-06-25 1968-06-30 Ciba Geigy Verfahren zur Herstellung von feinteiligen, nicht pyrophoren Metallen der Gruppen IVa, Va und VIa und der Actiniumreihe des Periodensystems
US3843351A (en) * 1973-05-24 1974-10-22 Boeing Co Method and apparatus for separating a constituent of a compound,such as a metal from an ore,by chemical reaction and physical separation using a plasma in the presence of a magnetic field

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2450029A1 (fr) * 1979-02-20 1980-09-19 Electricite De France Perfectionnements aux fours a plasma
FR2455013A1 (fr) * 1979-04-25 1980-11-21 Electricite De France Chamotte refractaire
FR2498409A1 (fr) * 1981-01-05 1982-07-23 G Energet Generateur de plasma
FR2526141A1 (fr) * 1982-04-30 1983-11-04 Electricite De France Procede et installation de chauffage d'un lit fluidise par injection de plasma
EP0093632A1 (fr) * 1982-04-30 1983-11-09 Electricite De France Procédé et installation de chauffage d'un lit fluidisé par injection de plasma, et applications à la synthèse des oxydes d'azote, à la gazéification d'une substance carbonée et à la réduction des minerais

Also Published As

Publication number Publication date
ZA753466B (en) 1976-05-26
US3989512A (en) 1976-11-02
GB1493394A (en) 1977-11-30
AU8164875A (en) 1976-12-02
DE2525400A1 (de) 1975-12-18
JPS5118342A (fr) 1976-02-13
JPS5754918B2 (fr) 1982-11-20
FR2274197B1 (fr) 1980-12-05
CA1038937A (fr) 1978-09-19

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Legal Events

Date Code Title Description
ST Notification of lapse