EP2033493B1 - Elements de paroi pour bras porte-electrode conducteurs refroidis par eau et bras porte-electrode realises avec de tels elements de paroi - Google Patents

Elements de paroi pour bras porte-electrode conducteurs refroidis par eau et bras porte-electrode realises avec de tels elements de paroi Download PDF

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Publication number
EP2033493B1
EP2033493B1 EP07764634A EP07764634A EP2033493B1 EP 2033493 B1 EP2033493 B1 EP 2033493B1 EP 07764634 A EP07764634 A EP 07764634A EP 07764634 A EP07764634 A EP 07764634A EP 2033493 B1 EP2033493 B1 EP 2033493B1
Authority
EP
European Patent Office
Prior art keywords
support arm
electrode support
wall element
wall elements
wall
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.)
Not-in-force
Application number
EP07764634A
Other languages
German (de)
English (en)
Other versions
EP2033493A1 (fr
Inventor
Arndt Dung
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.)
Dung Arndt
Original Assignee
Dung Arndt
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Filing date
Publication date
Application filed by Dung Arndt filed Critical Dung Arndt
Priority to PL07764634T priority Critical patent/PL2033493T3/pl
Publication of EP2033493A1 publication Critical patent/EP2033493A1/fr
Application granted granted Critical
Publication of EP2033493B1 publication Critical patent/EP2033493B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • H05B7/02—Details
    • H05B7/10—Mountings, supports, terminals or arrangements for feeding or guiding electrodes
    • 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
    • H05B7/02—Details
    • H05B7/10—Mountings, supports, terminals or arrangements for feeding or guiding electrodes
    • H05B7/101—Mountings, supports or terminals at head of electrode, i.e. at the end remote from the arc
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D11/00—Arrangement of elements for electric heating in or on furnaces
    • F27D11/08—Heating by electric discharge, e.g. arc discharge
    • F27D11/10—Disposition of electrodes

Definitions

  • the invention relates to wall elements for water-cooled, current-carrying electrode support arms and made of such wall elements Elektrodentragarme.
  • Supporting arms for the electrodes of electric arc furnaces require high temperatures which occur during the melting process because of at least the vicinity of the water cooling in the vicinity of the furnace. It has been proposed in this context in recent times to apply the designed as a hollow body Elektrodentragarm even with cooling water, then also, the designed as a hollow body Elektrodentragarm cooling water leading to assign the arm passing through tubes ( EP 0 0661 612 B1 . US 3,602,624 . US 3,686,421 ). From the immediate impingement of the interior of the designed as a hollow body Elektrodentragarms with cooling water results, taking into account that the support arm must have a sufficient buckling strength, the requirement of carrying the bill dimensioning the wall thickness of the support arm.
  • the invention has the object to design a cost-effective integrated in Elektrodentragarme wall elements cooling system, which then allows greater latitude in terms of cross sections of both the wall elements and the cooling water channels.
  • wall elements for water-cooled, current-carrying electrode support arms which according to the invention consists of a flat electrically conductive metal profile, in which on the outside of the Elektrodentragarms forming flat side at least one over the length of the profile extending recess is incorporated, the outside and frontally combined with the flat profile by welding, a closed cooling channel resulting covers each having at least one access and at least one outlet for the coolant channel flowing through the cooling water is provided.
  • Embodiments of the wall element according to the invention will become apparent from the dependent claims 2 to 7.
  • the dependent claims 8 to 11 lift off on the wall elements according to the invention can be created from the electrode support arms.
  • the Elektrodentragarme manufacturing company can use the already existing standard tools, such as sawing, milling, welding equipment and drilling equipment, the components of the wall elements according to the invention, namely the return element having wall element and the cooling channel forming cover, create from cost endless material and The components of the wall elements then also summarize, from which then the Elektrodentragarm is assembled in place. It proves to be advantageous in this case also that can be created for the purpose of Anpgresparkeit to the specific application wall elements divergent width and length, then wall elements with divergent cooling channel sections readily with the available tools. From Elektrodentragarmen created by Wandungsettin invention then also results in the desired weight reduction of such electrode support arms.
  • the electrode support arms 13, 13 ', 13" on a Tragarmklale 14 in the sense of the double arrow A can be lowered and raised and in the sense of the double arrow B in the
  • the electrode support arms 13, 13 ', 13 "and the clamps 13 located at the free end of the electrode support arms are pivotally mounted 1 for the electrodes 12, 12 ', 12 "require, in view of the high temperatures occurring in the vicinity of the furnace vessel 11 during the melting process, intensive cooling, generally cooling water supplied by the support arms and the clamping straps.
  • FIGS. 2a Tailored from endless material components of the wall elements according to the invention for electrode support arms are in the FIGS. 2a presented to us 3a. These are the main body 22 forming the wider side walls and the lower body 32 having the lower width and forming the lower wall and the upper wall of the electrode support arms, and the smaller strength coverings 23, 23 'and 33, respectively, which complete the wall elements FIGS. 2b or 3b, the base body 22 and 32 of the wall elements 21 and 31 are recessed with recesses 24 and 34 milled therein.
  • the Figures 2c and 3c show the completed wall elements 21 and 31 with the cooling water channels 27, 27 'and 37 formed therein.
  • electrode support arm 41 are 42, 42 'the side walls of the electrode support arm forming wall elements and 43, 43', the bottom and the top of the electrode support arm forming wall elements.
  • the cooling channels 44, 44 '' formed in the side walls 42, 42 are flowed through by the cooling water which acts on both the electrode support arm and the electrode tensioning bow
  • the supply and discharge of the cooling water to or from the electrode clamping bracket is not shown by the arrow sequence C
  • cooling water is applied independently to the side walls 42, 42 'and the wall elements 43, 43' forming the underside and the upper side of the electrode support arm, as well as to the electrode clamping yokes and the contact jaw.
  • FIG. 5 the stiffening of the Elektrodentragarms be inserted through it inserted intermediate walls 48, which are provided for reasons of weight reduction with recesses 48 '.
  • the design of the wall thickness of the electrode support arm depends on the specific application, then the design of the cooling duct cross-sections.
  • the priority cooling of the electrode support arm via the cooling channels formed in the support arm walls does not preclude the cooling of the region of the electrode support arm adjacent to the furnace by the supply of cooling water to near-isolated regions.
  • the cooling water cycle also results here again by leading from the cooling water channels in walls of the Elektrodentragarms outgoing and outgoing.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
  • Discharge Heating (AREA)
  • Resistance Welding (AREA)
  • Furnace Details (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)

Claims (11)

  1. Elément de paroi pour un bras porte-électrode conducteur refroidi par eau, l'élément de paroi étant formé d'un profil plat (par ex. 22) en métal conducteur,
    caractérisé en ce que
    dans le profil plat (par ex. 22) sur la face formant la face externe du bras porte-électrode est inséré au moins un retrait (par ex. 24) s'étirant sur la longueur du profil, lequel retrait est muni sur la face externe et frontale d'un revêtement (par ex. 23) relié au profil plat (22) par soudure (par ex. 26), produisant un canal de refroidissement fermé (par ex. 27), avec respectivement au moins un accès et au moins une sortie (par ex. 28) pour l'eau de refroidissement parcourant le canal (27).
  2. Elément de paroi selon la revendication 1, caractérisé en ce qu'il est en aluminium ou en alliage d'aluminium.
  3. Elément de paroi selon la revendication 1 ou la revendication 2, caractérisé en ce que le revêtement (23) qui fournit une paroi externe plane du bras porte-électrode s'insère dans des cavités (25) formées dans la zone marginale du retrait (24).
  4. Elément de paroi selon les revendications 1 à 3, caractérisé par des largeurs adaptées à la section transversale du bras porte-électrode.
  5. Elément de paroi selon les revendications 1 à 4, caractérisé par une épaisseur de matériau de l'élément de paroi de l'ordre de grandeur de 20 à 70 mm.
  6. Elément de paroi selon les revendications 1 à 5, caractérisé par une pluralité de canaux de refroidissement (27, 27') s'étendant à distance les uns des autres sur la longueur de l'élément de paroi (par ex. 21).
  7. Elément de paroi selon les revendications 1 à 6, caractérisé en ce que des raccords pour l'alimentation en eau froide de l'étrier de tension d'électrode à poser sur le bras porte-électrode sont réalisés dans la zone de la partie d'élément de paroi formant l'extrémité libre du bras porte-électrode.
  8. Bras porte-électrode en forme de coffret, conducteur, refroidi par eau réalisé à partir des éléments de paroi selon une ou plusieurs des revendications 1 à 7, caractérisé par des nervures de stabilisation en appui sur les éléments de paroi introduites à intervalles à l'intérieur du bras porte-électrode.
  9. Bras porte-électrode selon la revendication 8, caractérisé par des parois intermédiaires (48) stabilisant le bras porte-électrode en appui sur les éléments de paroi du bras porte-électrode et introduits à distance dans le bras porte-électrode (41).
  10. Bras porte-électrode selon la revendication 9, caractérisé en ce que les parois intermédiaires (48) sont munies d'un évidement (48') en forme de cadre.
  11. Bras porte-électrode selon les revendications 8 à 10, caractérisé en ce que les éléments de paroi percutants formant le bras porte-électrode sont réunis dans la zone de secousses par des soudures enfoncées (45).
EP07764634A 2006-06-13 2007-06-13 Elements de paroi pour bras porte-electrode conducteurs refroidis par eau et bras porte-electrode realises avec de tels elements de paroi Not-in-force EP2033493B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL07764634T PL2033493T3 (pl) 2006-06-13 2007-06-13 Elementy ścianki chłodzonych wodą, przewodzących prąd wsporników elektrod oraz wsporniki elektrod wykonywane z takich elementów ścianki

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006027648A DE102006027648A1 (de) 2006-06-13 2006-06-13 Wandungselemente für einen wassergekühlten, stromführenden Elektrodentragarm und aus solchen Wandungselementen bestehende Elektrodentragarme
PCT/EP2007/005198 WO2007144154A1 (fr) 2006-06-13 2007-06-13 ÉlémentS de cloison pour bras porte-électrode conducteurs électriques à refroidissement par eau et bras porte-électrode réalisés avec de tels éléments de cloison

Publications (2)

Publication Number Publication Date
EP2033493A1 EP2033493A1 (fr) 2009-03-11
EP2033493B1 true EP2033493B1 (fr) 2012-01-11

Family

ID=38481941

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07764634A Not-in-force EP2033493B1 (fr) 2006-06-13 2007-06-13 Elements de paroi pour bras porte-electrode conducteurs refroidis par eau et bras porte-electrode realises avec de tels elements de paroi

Country Status (9)

Country Link
US (1) US8798113B2 (fr)
EP (1) EP2033493B1 (fr)
JP (1) JP2009540260A (fr)
KR (1) KR101159883B1 (fr)
AT (1) ATE541435T1 (fr)
DE (1) DE102006027648A1 (fr)
ES (1) ES2377019T3 (fr)
PL (1) PL2033493T3 (fr)
WO (1) WO2007144154A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009034407A1 (de) 2009-07-23 2011-02-03 Fuchs Technology Holding Ag Elektrodentragarm mit lokal befestigtem Stromleiter
CN110553814B (zh) * 2019-08-26 2024-03-15 中国航天空气动力技术研究院 一种用于高温流场的三臂式模型支撑装置

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3602624A (en) * 1970-03-11 1971-08-31 Dixie Bronze Co Unitized electrode holder for electric furnace electrodes or the like
USRE30521E (en) * 1978-06-02 1981-02-17 Johns-Manville Corporation Primary electrode arrangement for high temperature melting furnace
US4182927A (en) * 1978-08-04 1980-01-08 Dixie Bronze Company Electrode holders having differential clamping devices
US4342878A (en) * 1980-05-09 1982-08-03 Wilson Welding Company, Inc. Water-cooled electrode holder
EP0061612B1 (fr) * 1981-03-24 1985-08-07 Fried. Krupp Gesellschaft mit beschränkter Haftung Système de conducteurs pour courant intense pour fours électriques
US4682341A (en) * 1984-11-29 1987-07-21 Fuchs Systemtechnik Gmbh Electric arc furnace
DE8805807U1 (de) * 1988-05-02 1989-08-31 Badische Stahl-Engineering GmbH, 7640 Kehl Tragarm für eine Elektrode eines Lichtbogenofens
JPH0486480A (ja) * 1990-07-30 1992-03-19 Kawasaki Steel Corp 直流電気炉における炉底電極
JPH05258858A (ja) * 1992-03-13 1993-10-08 Daido Steel Co Ltd 電極支持装置
JP3079175B2 (ja) 1992-07-03 2000-08-21 防衛庁技術研究本部長 圧電素子及びそれを用いたハイドロフォン
DE4225256C2 (de) * 1992-07-28 1997-06-19 Mannesmann Ag Mit Gleichstrom betriebene Ofenanlage
DE4236158C1 (de) * 1992-10-20 1994-03-17 Mannesmann Ag Elektrodentragarm für Lichtbogenöfen
JP3652715B2 (ja) * 1994-05-19 2005-05-25 住友電設株式会社 電極支持装置
JPH0817572A (ja) * 1994-06-30 1996-01-19 Nissei Ltd アーク炉の電極支腕
JP3678379B2 (ja) * 1996-10-16 2005-08-03 アルコインダストリーズ株式会社 電気アーク炉の電極支持装置
DE19925554A1 (de) * 1999-06-04 2000-12-07 Sms Demag Ag Bodenelektrode für metallurgische Schmelzgefäße

Also Published As

Publication number Publication date
PL2033493T3 (pl) 2012-06-29
KR20090020650A (ko) 2009-02-26
EP2033493A1 (fr) 2009-03-11
JP2009540260A (ja) 2009-11-19
ATE541435T1 (de) 2012-01-15
US8798113B2 (en) 2014-08-05
ES2377019T3 (es) 2012-03-21
WO2007144154A1 (fr) 2007-12-21
KR101159883B1 (ko) 2012-06-25
US20090207877A1 (en) 2009-08-20
DE102006027648A1 (de) 2007-12-20

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