DE373588C - Device for heating billets by means of electric current - Google Patents

Device for heating billets by means of electric current

Info

Publication number
DE373588C
DE373588C DED38726D DED0038726D DE373588C DE 373588 C DE373588 C DE 373588C DE D38726 D DED38726 D DE D38726D DE D0038726 D DED0038726 D DE D0038726D DE 373588 C DE373588 C DE 373588C
Authority
DE
Germany
Prior art keywords
electric current
electrodes
heating billets
billets
end faces
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
DED38726D
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.)
SCHWEISSMASCHINENFABRIK BECKER
Original Assignee
SCHWEISSMASCHINENFABRIK BECKER
Publication date
Priority to DED38726D priority Critical patent/DE373588C/en
Application granted granted Critical
Publication of DE373588C publication Critical patent/DE373588C/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
    • H05B3/00—Ohmic-resistance heating
    • H05B3/0004—Devices wherein the heating current flows through the material to be heated

Landscapes

  • Control Of Resistance Heating (AREA)

Description

Das Patent 353290 betrifft ein Verfahren zum Erhitzen von Walzblöcken mittels eines elektrischen Stromes, bei welchem der aus der Gußform kommende Walzblock im heißen Zustande nut Hilfe eines elektrischen Stromes weiter' erhitzt wird. Hierbei soll der sogenannte Skineffekt des Wechselstromes nutzbar gemacht werden, indem die äußeren ■ Teile des Walzblockes, die kühler sind als die inneren desselben, mittels der Oberflächenwirkung des Skineffektes auf dieselbe Temperatur gebracht werden wie die heißen Innenteile.Patent 353290 relates to a method for heating billets by means of an electric current, in which the from The rolling block coming to the mold in the hot state only with the aid of an electric current further 'is heated. Here, the so-called skin effect of the alternating current should be made usable by the external ■ Parts of the billet that are cooler than the inner ones, by means of the surface effect the skin effect can be brought to the same temperature as the hot inner parts.

Die Erfindung betrifft eine besonders vorteilhafte Vorrichtung zur Ausübung dieses Verfahrens.The invention relates to a particularly advantageous device for exercising this Procedure.

In der Zeichnung ist der Erfmdungs-•gedanke in einem einfachen Ausführungsbeispiei erläutert.In the drawing, the concept of the invention is in a simple exemplary embodiment explained.

α ist der zu erhitzende Walzblock, während b. l·1, b- usw. Elektroden darstellen, die dem Walzblock den elektrischen Strom zuführen sollen. Dadurch, daß der Strom mittels einer großen Anzahl solcher Elektroden zugeführt wird, ergibt sich eine viel innigere Verbindung zwischen den Elektroden und dem Walzblock a, als wenn an jedem Ende des | Walzblockes nur eine einzige Elektrode angeordnet wird. Ferner sollen erfind-ungsgemäß die Elektroden nicht mir an der Stirnfläche des Blockes α angesetzt werden, sondern auch an den Seitenwänden, und zwar vorzugsweise in der Nähe der Stirnflächen, wie die Abbildung zeigt. Die Elektroden können zweckmäßig mit Hilfe von Druckfedern usw. auf den Walzblock aufgedrückt werden, um ein sicheres Anliegen zu gewährleisten. α is the billet to be heated, while b. l x 1 , b- etc. represent electrodes which are to supply the electric current to the billet. The fact that the current is supplied by means of a large number of such electrodes results in a much more intimate connection between the electrodes and the billet a than if at each end of the | Rolling block only a single electrode is arranged. Furthermore, according to the invention, the electrodes should not be placed on the end face of the block α , but also on the side walls, preferably in the vicinity of the end faces, as the figure shows. The electrodes can expediently be pressed onto the rolling block with the aid of compression springs etc. in order to ensure that they are securely attached.

Claims (2)

Patent-Ansprüche:Patent Claims: r. Vorrichtung zum Erhitzen von Walzblöcken mittels elektrischen Stromes nach Patent 353299, dadurch gekennzeichnet, daß die der Stromzuführung dienenden Elektroden in eine Anzahl Einzelelektroden zerlegt sind.r. Device for heating billets by means of electric current according to patent 353299, characterized in that the power supply is used Electrodes are broken down into a number of individual electrodes. 2. Vorrichtung nach Anspruch i, dadurch gekennzeichnet, daß die Elektroden nicht nur an den Stirnflächen, sondern auch au den 'Seitenwänden des zu erhitzenden Blockes liegen, und zwar vorzugsweise in der Nähe der Stirnflächen angeordnet sind.2. Apparatus according to claim i, characterized in that the electrodes not only on the end faces, but also on the side walls of the one to be heated Block, preferably in the vicinity of the end faces are arranged. Hierzu ι Blatt Zeichnungen.For this purpose ι sheet of drawings.
DED38726D Device for heating billets by means of electric current Expired DE373588C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DED38726D DE373588C (en) Device for heating billets by means of electric current

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DED38726D DE373588C (en) Device for heating billets by means of electric current

Publications (1)

Publication Number Publication Date
DE373588C true DE373588C (en) 1923-04-13

Family

ID=7044288

Family Applications (1)

Application Number Title Priority Date Filing Date
DED38726D Expired DE373588C (en) Device for heating billets by means of electric current

Country Status (1)

Country Link
DE (1) DE373588C (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1164586B (en) * 1957-12-19 1964-03-05 Bbc Brown Boveri & Cie Method and device for direct electrical resistance heating of rod-shaped bodies made of metal
DE1178157B (en) * 1957-10-02 1964-09-17 Bbc Brown Boveri & Cie Contact device for the direct electrical resistance heating of rolling billets
DE1195001B (en) * 1959-10-08 1965-06-16 Bbc Brown Boveri & Cie Device for carrying out a method for resistance heating of billets or the like.
DE1238594B (en) * 1965-10-16 1967-04-13 Bbc Brown Boveri & Cie Contact device for electrical resistance heating of Walzknueppeln u. like
DE1765735B1 (en) * 1968-03-28 1972-05-25 Cheston Co ELECTRIC RESISTANCE HEATING DEVICE

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1178157B (en) * 1957-10-02 1964-09-17 Bbc Brown Boveri & Cie Contact device for the direct electrical resistance heating of rolling billets
DE1164586B (en) * 1957-12-19 1964-03-05 Bbc Brown Boveri & Cie Method and device for direct electrical resistance heating of rod-shaped bodies made of metal
DE1195001B (en) * 1959-10-08 1965-06-16 Bbc Brown Boveri & Cie Device for carrying out a method for resistance heating of billets or the like.
DE1238594B (en) * 1965-10-16 1967-04-13 Bbc Brown Boveri & Cie Contact device for electrical resistance heating of Walzknueppeln u. like
DE1765735B1 (en) * 1968-03-28 1972-05-25 Cheston Co ELECTRIC RESISTANCE HEATING DEVICE

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