DE453251C - Electrode for electric arc furnace - Google Patents

Electrode for electric arc furnace

Info

Publication number
DE453251C
DE453251C DEK92997D DEK0092997D DE453251C DE 453251 C DE453251 C DE 453251C DE K92997 D DEK92997 D DE K92997D DE K0092997 D DEK0092997 D DE K0092997D DE 453251 C DE453251 C DE 453251C
Authority
DE
Germany
Prior art keywords
electric arc
metals
electrodes
electrode
arc furnace
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
DEK92997D
Other languages
German (de)
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to DEK92997D priority Critical patent/DE453251C/en
Application granted granted Critical
Publication of DE453251C publication Critical patent/DE453251C/en
Expired legal-status Critical Current

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
    • H05B7/02—Details
    • H05B7/12—Arrangements for cooling, sealing or protecting electrodes

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Furnace Details (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)

Description

Elektrode für Lichtbogenofen. Zusatz zum Patent 448 6o6. Das Patent 448 6o6 schützt feuer- und säurefeste Gegenstände, die aus an der Luft verbrennbaren Metallen oder Legierungen, z. B. Eisen, Nickel, Aluminium, Kupfer oder Legierungen dieser Metalle unter sich und mit anderen Metallen, mit einem zirkonoxydhaltigen Anstrich bestehen. Insbesondere eignet sich ein Zirkonanstrich aus Zirkonerde auch in Form von roher Zirkonerde mit stufenweise erweichenden Bindemitteln. Die Metallkörper werden nach dem Streichen hoch erhitzt, wobei sich das Metall mit dem Anstrich innig verbindet.Electrode for electric arc furnace. Addendum to patent 448 6o6. The patent 448 6o6 protects fire- and acid-proof items that are combustible in the air Metals or alloys, e.g. B. iron, nickel, aluminum, copper or alloys these metals among themselves and with other metals, with a zirconium oxide Paint. In particular, a zirconium coating made from zirconia is also suitable in the form of raw zirconia with gradually softening binders. The metal body are heated up after painting, whereby the metal is intimately with the paint connects.

Aus gleichem Material lassen sich Schutzhüllen für die Elektroden elektrischer Lichtbogenöfen herstellen, die den Abbrand der Elektroden auf deren Spitze beschränken. Zweckmäßig besteht die Hülle aus einem Metallmantel mit Durchbrechungen, also z. B. aus einem Drahtnetz, einem Drahtgitter oder einem siebartigen durchlochten Metallmantel, der mit der zirkonoxydhaltigen Anstrichmasse überzogen ist.Protective covers for the electrodes can be made from the same material Manufacture electric arc furnaces that burn down the electrodes on their Limit tip. The shell expediently consists of a metal jacket with perforations, so z. B. perforated from a wire mesh, a wire mesh or a sieve-like Metal jacket that is coated with the zirconium oxide-containing paint.

Man kann z. B. die Elektrode mit einem Eisendrahtnetz umgeben und dann mit einem Gemisch von roher Zirkonerde und stufenweise erweichenden Bindemitteln überziehen. Solche Bindemittel, die bei verschiedenen Temperaturen schmelzen, sind Dolomit, Zement, Glas und eventuell Wasserglas. Nähere Vorschriften hierüber finden sich in den Patenten 400 966 und 4o2 o2o.You can z. B. surround the electrode with an iron wire mesh and then with a mixture of raw zirconia and gradually softening binders overlay. Such binders that melt at different temperatures are Dolomite, cement, glass and possibly water glass. More detailed regulations can be found on this in the patents 400 966 and 4o2 o2o.

Es ist vielfach versucht worden, Kohleelektroden mit einer Schutzmasse zu umgeben. Doch waren die bekannten Schutzmassen nicht ausreichend widerstandsfähig. Die neue Schutzhülle verträgt erwiesenermaßen Temperaturen bis 2ooo°, ist also für den fraglichen Zweck hervorragend geeignet. Möglicherweise kann sie noch höher erhitzt werden.Many attempts have been made to use carbon electrodes with a protective compound to surround. But the known protective masses were not sufficiently resistant. The new protective cover has been proven to withstand temperatures of up to 2ooo °, so it is for eminently suitable for the purpose in question. Possibly it can be heated even higher will.

Claims (2)

PATRNTANSPRÜCHR: z. Elektroden für Lichtbogenöfen, dadurch gekennzeichnet, daß die Elektroden mit einer Schutzhülle umgeben sind, die gemäß Patent 448 6o6 aus einer Hülle aus an der Luft verbrennbaren Metallen oder Legierungen, z. B. Eisen, Nickel, Aluminium, Kupfer oder Legierungen dieser Metalle unter sich oder mit anderen Metallen, und einem zirkonoxydhaltigen Anstrich besteht. PATRNT CLAIMR: z. Electrodes for electric arc furnaces, characterized in that that the electrodes are surrounded by a protective sheath made according to patent 448 6o6 from a shell of metals or alloys combustible in the air, e.g. B. iron, Nickel, aluminum, copper or alloys of these metals with themselves or with others Metals, and a paint containing zirconia. 2. Elektroden nach Anspruch i, dadurch gekennzeichnet, daß die Hülle aus einem Drahtnetz, -gefleckt oder -sieb aus Eisen mit einem Zirkonanstrich besteht, dem stufenweise erweichende Bindemittel zugesetzt sind.2. Electrodes according to claim i, characterized in that the sheath consists of a wire mesh, flecked or sieve consists of iron with a zirconium coating, the gradually softening binder are added.
DEK92997D 1925-02-19 1925-02-19 Electrode for electric arc furnace Expired DE453251C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEK92997D DE453251C (en) 1925-02-19 1925-02-19 Electrode for electric arc furnace

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEK92997D DE453251C (en) 1925-02-19 1925-02-19 Electrode for electric arc furnace

Publications (1)

Publication Number Publication Date
DE453251C true DE453251C (en) 1927-12-01

Family

ID=7237519

Family Applications (1)

Application Number Title Priority Date Filing Date
DEK92997D Expired DE453251C (en) 1925-02-19 1925-02-19 Electrode for electric arc furnace

Country Status (1)

Country Link
DE (1) DE453251C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE767108C (en) * 1938-04-26 1952-05-15 Aluminium Ind Ag Negative graphite electrode protected against burn-off for aluminum refining furnaces working according to the three-layer process

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE767108C (en) * 1938-04-26 1952-05-15 Aluminium Ind Ag Negative graphite electrode protected against burn-off for aluminum refining furnaces working according to the three-layer process

Similar Documents

Publication Publication Date Title
DE1596557A1 (en) Multi-layer metal, especially for glass furnaces for glass fiber production
DE453251C (en) Electrode for electric arc furnace
DE2758393C2 (en) Sheet metal lamination process
DE2725884A1 (en) MELTING AND CASTING DEVICE
AT64018B (en) Metal substitute for laboratory equipment and apparatus of all kinds.
DE713480C (en) Process for the production of soldered rotary capacitors
DE708676C (en) Iron bolts or other parts for heating and cooking appliances
DE429948C (en) To make processes, sheets, tapes, wires, etc. made of impure aluminum or aluminum alloys resistant to chemical attack and weathering
DE652593C (en) Covered welding electrode
DE711424C (en) Process for the production of directly heatable devices with precious metal lining for the chemical industry
DE1024181B (en) Electric heater
AT141833B (en) Process for the production of electrically conductive layers on non-conductive objects.
DE622275C (en) Carbide crucible
AT101911B (en) Connection contact for electric heating elements.
DE429387C (en) Process for the production of self-burning electrodes with a metal jacket
DE497351C (en) Process for the production of a metal jacket for conducting electricity on unannealed carbon electrodes
DE748099C (en) Steel alloy for stirrer rods for smelting and copper alloys
DE321308C (en) Socket for furnace electrodes with protective cover
AT239026B (en) Paste for the production of highly wear-resistant surfaces of metals
DE568248C (en) Process for the production of a glaze (enamel) for electrical wire resistors
DE534492C (en) High-frequency furnace for heating substances that are not or only slightly electrically conductive
DE732027C (en) Electric cable with aluminum sheath
DE801184C (en) Welding process for the production of aging and alkali-resistant weld seams
DE2728147A1 (en) Refractory chromium alloy contg. iron and carbon - and resisting corrosion in silicate melts, esp. fused basalt (SW 9.1.78)
DE1646847C2 (en) Delivery of regenerators for industrial furnaces