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BR0205761A - Aparelho e método para fundição de metais - Google Patents

Aparelho e método para fundição de metais

Info

Publication number
BR0205761A
BR0205761A BR0205761-1A BR0205761A BR0205761A BR 0205761 A BR0205761 A BR 0205761A BR 0205761 A BR0205761 A BR 0205761A BR 0205761 A BR0205761 A BR 0205761A
Authority
BR
Brazil
Prior art keywords
metal
electrode
plasma arc
cast
metal casting
Prior art date
Application number
BR0205761-1A
Other languages
English (en)
Inventor
Pavel Dvoskin
Valery Zlochevsky
Dror Nadam
Original Assignee
Netanya Plasmatec Ltd
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 Netanya Plasmatec Ltd filed Critical Netanya Plasmatec Ltd
Publication of BR0205761A publication Critical patent/BR0205761A/pt

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
    • H05H1/48—Generating plasma using an arc
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D27/00—Treating the metal in the mould while it is molten or ductile ; Pressure or vacuum casting
    • B22D27/04—Influencing the temperature of the metal, e.g. by heating or cooling the mould
    • B22D27/06—Heating the top discard of ingots
    • 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
    • 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)
  • Plasma & Fusion (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)
  • Furnace Details (AREA)
  • Plasma Technology (AREA)
  • Manufacture And Refinement Of Metals (AREA)

Abstract

"APARELHO E MéTODO PARA FUNDIçãO DE METAIS". A invenção apresenta um aparelho (10) e um método de reduzir o volume de masselotes, e para a possibilidade de reduzir o rechupe e a porosidade em peças fundidas conformadas produto de fundição por gravidade. A invenção proporciona um aparelho (10) para produzir fluxo/agito no metal líquido (31), o aparelho (10) compreendendo pelo menos um eletrodo (16) para formar um arco de plasma continuamente móvel (34) sobre a superfície superior de masselotes (12) selecionados na peça metálica sendo vazada; um suporte (36) para suspender o eletrodo de arco de plasma (1) sobre a superfície superior dos masselotes (12) durante o Método para fundição, um segundo eletrodo (28) afixável ao metal líquido (31) ou ao metal sendo usado para fundição e uma fonte de alimentação de energia (36) para completar um circuito elétrico incluindo o arco de plasma (34), e dispositivos de controle (38) conectados entre o aparelho (10) e a fonte de alimentação elétrica (36).
BR0205761-1A 2001-07-18 2002-07-17 Aparelho e método para fundição de metais BR0205761A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IL14442201A IL144422A0 (en) 2001-07-18 2001-07-18 Riser(s) size reduction and/or metal quality improving in gravity casting of shaped products by moving electric arc
PCT/IL2002/000584 WO2003008143A1 (en) 2001-07-18 2002-07-17 Riser(s) size reduction and/or metal quality improving in gravity casting of shaped products by moving electric arc

Publications (1)

Publication Number Publication Date
BR0205761A true BR0205761A (pt) 2003-07-22

Family

ID=11075618

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0205761-1A BR0205761A (pt) 2001-07-18 2002-07-17 Aparelho e método para fundição de metais

Country Status (12)

Country Link
US (1) US20040168788A1 (pt)
EP (1) EP1423227B1 (pt)
BR (1) BR0205761A (pt)
CZ (1) CZ2004256A3 (pt)
DE (1) DE60232980D1 (pt)
DK (1) DK1423227T3 (pt)
ES (1) ES2329985T3 (pt)
HU (1) HUP0500859A2 (pt)
IL (1) IL144422A0 (pt)
NO (1) NO20031233L (pt)
WO (1) WO2003008143A1 (pt)
ZA (1) ZA200302486B (pt)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102847890B (zh) * 2012-09-03 2014-06-25 中国科学院金属研究所 一种5吨至600吨钢锭冒口的等离子埋弧加热方法
CN103008577B (zh) * 2012-12-07 2014-06-11 中国科学院金属研究所 微缺陷高利用率优质模铸钢锭的制备方法和模具
CN103586419A (zh) * 2013-11-08 2014-02-19 乐山沙湾天华机械制造有限责任公司 一种压圈铸造工艺
CN104308126B (zh) * 2014-09-27 2016-08-31 唐山钢铁集团有限责任公司 一种铸钢轧辊电加热装置及其电加热方法

Family Cites Families (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3152372A (en) * 1959-12-10 1964-10-13 Firth Sterling Inc Method and apparatus for producing improved alloy metal
US3377418A (en) * 1967-08-28 1968-04-09 Westinghouse Electric Corp Small diameter fluid cooled arc-rotating electrode
DE1583641B2 (de) * 1967-09-19 1976-07-01 Heide, Otto, Dr.-Ing., 5829 Ennepetal Vorrichtung zum beheizen von speisern und blockkoepfen
US3546348A (en) * 1968-04-01 1970-12-08 Westinghouse Electric Corp Non-consumable electrode vacuum arc furnaces for steel,zirconium,titanium and other metals and processes for working said metals
US3680163A (en) * 1969-08-27 1972-08-01 Westinghouse Electric Corp Non-consumable electrode vacuum arc furnaces for steel, zirconium, titanium and other metals and processes for working said metals
US3617596A (en) * 1969-08-27 1971-11-02 Westinghouse Electric Corp Nonconsumable electrode vacuum arc furnace for steel, zirconium, titanium and other metals
US3597519A (en) * 1970-02-05 1971-08-03 Westinghouse Electric Corp Magnetic-field rotating-electrode electric arc furnace apparatus and methods
US3776294A (en) * 1971-03-18 1973-12-04 B Paton Method of electroslag remelting
US3696859A (en) * 1971-05-18 1972-10-10 Heppenstall Co Production of large steel ingots with consumable vacuum arc hot tops
US3865174A (en) * 1972-10-25 1975-02-11 Crucible Inc Method for the nonconsumable electrode melting of reactive metals
US3867976A (en) * 1972-11-29 1975-02-25 Int Nickel Co Electroflux melting method and apparatus
US3947265A (en) * 1973-10-23 1976-03-30 Swiss Aluminium Limited Process of adding alloy ingredients to molten metal
CH571372A5 (en) * 1974-03-28 1976-01-15 Feichtinger Heinrich Sen Degassing melts during solidification in a mould - using gas bubbles and baffle-plate to circulate melt in feeder head
US4042007A (en) * 1975-04-22 1977-08-16 Republic Steel Corporation Continuous casting of metal using electromagnetic stirring
US4132545A (en) * 1975-12-08 1979-01-02 Rabinovich Volf I Method of electroslag remelting processes using a preheated electrode shield
US4017672A (en) * 1976-03-11 1977-04-12 Paton Boris E Plasma-arc furnace for remelting metals and alloys
SE8000756L (sv) * 1980-01-31 1981-08-01 Asea Ab Anordning vid kontinuerlig gjutning (likstromsomrorning)
US4307280A (en) * 1980-06-06 1981-12-22 Westinghouse Electric Corp. Method for filling internal casting voids
US4770724A (en) * 1980-07-02 1988-09-13 General Electric Company Continuous metal casting method and apparatus and products
SE447846B (sv) * 1982-09-09 1986-12-15 Asea Ab Skenkugn med likstromsvermning
LU85846A1 (fr) * 1985-04-10 1986-11-05 Metz Paul Dispositif de brassage de metal en fusion dans une installation de coulee continue
IT1183045B (it) * 1985-12-06 1987-10-05 Centro Speriment Metallurg Proccedimento perfezionato per la regolazione delle condizzioni di colata continua
KR960014434B1 (ko) * 1987-12-09 1996-10-15 후세 노보루 플라즈마 처리장치
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
FR2671677A1 (fr) * 1991-01-11 1992-07-17 Rotelec Sa Procede de realisation d'un inducteur electromagnetique.
US5273101A (en) * 1991-06-05 1993-12-28 General Electric Company Method and apparatus for casting an arc melted metallic material in ingot form
IL116939A0 (en) * 1996-01-29 1996-05-14 Netanya Plasmatek Ltd Plasma torch apparatus
FR2767081B1 (fr) * 1997-08-11 1999-09-17 Lorraine Laminage Procede de rechauffage d'un metal liquide dans un repartiteur de coulee continue au moyen d'une torche a plasma, et repartiteur pour sa mise en oeuvre
IL140246A (en) * 2000-12-12 2007-09-20 Pavel Dvoskin Treatment of molten metals by moving an electric arc during aggregation

Also Published As

Publication number Publication date
HUP0500859A2 (hu) 2005-12-28
ZA200302486B (en) 2004-05-21
ES2329985T3 (es) 2009-12-03
US20040168788A1 (en) 2004-09-02
DE60232980D1 (de) 2009-08-27
WO2003008143A1 (en) 2003-01-30
DK1423227T3 (da) 2009-11-16
EP1423227A1 (en) 2004-06-02
IL144422A0 (en) 2002-05-23
EP1423227A4 (en) 2005-12-14
EP1423227B1 (en) 2009-07-15
NO20031233L (no) 2003-05-13
CZ2004256A3 (cs) 2004-12-15
NO20031233D0 (no) 2003-03-17

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Legal Events

Date Code Title Description
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B09B Patent application refused [chapter 9.2 patent gazette]

Free format text: INDEFIRO O PEDIDO DE ACORDO COM O(S) ARTIGO(S) 8O C/C 13 DA LPI 9.279 DE 14/05/1996.

B09B Patent application refused [chapter 9.2 patent gazette]

Free format text: MANTIDO O INDEFERIMENTO UMA VEZ QUE NAO FOI APRESENTADO RECURSO DENTRO DO PRAZO LEGAL.