AT162112B - Electric carbon tube furnace for annealing in a protective gas atmosphere or in a vacuum. - Google Patents

Electric carbon tube furnace for annealing in a protective gas atmosphere or in a vacuum.

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Publication number
AT162112B
AT162112B AT162112DA AT162112B AT 162112 B AT162112 B AT 162112B AT 162112D A AT162112D A AT 162112DA AT 162112 B AT162112 B AT 162112B
Authority
AT
Austria
Prior art keywords
carbon tube
annealing
vacuum
protective gas
gas atmosphere
Prior art date
Application number
Other languages
German (de)
Original Assignee
Boehler & Co Ag Geb
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 Boehler & Co Ag Geb filed Critical Boehler & Co Ag Geb
Application granted granted Critical
Publication of AT162112B publication Critical patent/AT162112B/en

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Description

  

   <Desc/Clms Page number 1> 
 



  Elektrischer Kohlerohrofen zum Glühen in Schutzgasatmosphäre oder im Vakuum. 



   Elektrische Kohlerohröfen mit an das Kohlerohr beiderseits angesetzten Rohren für den Ein-und Ausschub des Glühgutes werden vielfach zum Glühen in Schutzgasatmosphäre oder im Vakuum verwendet. Beim Glühen in Schutzgasatmosphäre wird das Gut zumeist gleichmassig durchlaufend durch den Ofen geschoben, während beim Glühen im Vakuum der Ofen erst nach vollständigem Abkühlen geöffnet werden kann, so dass nur ein absatzweiser Betrieb möglich ist. 



   Für das laufende Durchschieben des   Gldh-   gutes im mit Schutzgas betriebenen Ofen kann man den Ofenraum durch gasdichte Schleusen beim Ein-und Austrittsende gegen die umgebende Atmosphäre dichten ; so kann durch entsprechende Steuerung des Vorschubes, des   Öffnens   und Schliessens der Schleusen und der Durchspülung der Vorkammer das Eintreten von Luft, bzw. Fremdgasen verhindert werden. Schwierigkeiten ergeben sich aber bei der Dichtung der Kontaktstopfbüchsen, die im Betriebe nachgestellt werden müssen. 



   Diese Schwierigkeiten kann man gemäss der Erfindung auf einfache Art dadurch vermeiden, dass die Rohre R und R 1 für den Ein- und Ausschub des Glühgutes die Kontaktstopfbüchsen B und B 1 mit oberhalb ihrer Ein- mündung in das Kohlerohr (0) angeordneten haubenförmigen Ansätzen A und A 1 übergreifen und gasdicht an den Ofen   anscb1iessen   ; durch gasdicht nach aussen geführte Schrauben   S und 51   können dann die Kontaktstopfbüchsen während des Betriebes nachgestellt werden. 



    Hiedurch wird es überhaupt   erst   möglich,   in Verbindung mit vakuumdichten Schleusen ein Glühen nach dem Durchschiebeverfahren im Vakuum vorzunehmen. 

**WARNUNG** Ende DESC Feld kannt Anfang CLMS uberlappen**.



   <Desc / Clms Page number 1>
 



  Electric carbon tube furnace for annealing in a protective gas atmosphere or in a vacuum.



   Electric carbon tube furnaces with tubes attached to the carbon tube on both sides for pushing in and out the annealing material are often used for annealing in a protective gas atmosphere or in a vacuum. When annealing in a protective gas atmosphere, the material is usually pushed evenly through the furnace, whereas when annealing in a vacuum the furnace can only be opened after it has completely cooled down, so that only intermittent operation is possible.



   For the continuous pushing of the molten metal through the furnace operated with protective gas, the furnace space can be sealed against the surrounding atmosphere by gas-tight locks at the inlet and outlet ends; Thus, by appropriate control of the feed, the opening and closing of the locks and the flushing of the antechamber, the entry of air or foreign gases can be prevented. Difficulties arise with the sealing of the contact glands, which have to be readjusted in the company.



   These difficulties can be avoided according to the invention in a simple way that the tubes R and R 1 for the insertion and removal of the annealing material, the contact glands B and B 1 with hood-shaped extensions A arranged above their opening into the carbon tube (0) and A 1 reach over and connect gas-tight to the furnace; The contact glands can then be readjusted during operation by means of screws S and 51, which are led to the outside in a gas-tight manner.



    This makes it possible in the first place, in connection with vacuum-tight locks, to anneal using the push-through process in a vacuum.

** WARNING ** End of DESC field may overlap beginning of CLMS **.

 

Claims (1)

PATENTANSPRUCH : Elektrischer Kohlerohrofen zum Glühen in Schutzgasatmosphäre oder im Vakuum mit an das Kohlerohr beiderseits angesetzten Rühren für den Ein-und Ausschub des Gluhgntes, dadurch gekennzeichnet, dass diese Rohran- sätze (R und R 1) die an beiden Enden des Kohlerohres (0) angebrachten Komaktstopf- büchsen (B und B 1) mit oberhalb ihrer Einmündung in das Kohlerohr angeordneten Ssaben- förmigen Ansätzen (A und A 1) übergreifen und gasdicht an den Ofen anschliessen, so dass die Kontaktstopfbüchsen durch gasdicht nach aussen geführte Schrauben (S und S 1) PATENT CLAIM: Electric coal tube furnace for annealing in a protective gas atmosphere or in a vacuum with stirrers attached to both sides of the carbon tube for pushing in and out the glowing device, characterized in that these tube attachments (R and R 1) are the compact pots attached to both ends of the carbon tube (0) - Sockets (B and B 1) with Ssaben-shaped projections (A and A 1) arranged above their confluence in the carbon tube overlap and connect to the furnace in a gas-tight manner, so that the contact glands are gas-tight through screws (S and S 1) während des Betriebes nachste ! 1bar sind- **WARNUNG** Ende CLMS Feld Kannt Anfang DESC uberlappen**. next during operation! 1bar are- ** WARNING ** End of CLMS field may overlap beginning of DESC **.
AT162112D 1946-01-30 1946-01-30 Electric carbon tube furnace for annealing in a protective gas atmosphere or in a vacuum. AT162112B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT162112T 1946-01-30

Publications (1)

Publication Number Publication Date
AT162112B true AT162112B (en) 1949-01-25

Family

ID=3651235

Family Applications (1)

Application Number Title Priority Date Filing Date
AT162112D AT162112B (en) 1946-01-30 1946-01-30 Electric carbon tube furnace for annealing in a protective gas atmosphere or in a vacuum.

Country Status (1)

Country Link
AT (1) AT162112B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109489424A (en) * 2018-12-06 2019-03-19 有研亿金新材料有限公司 A kind of furnace body can turn carbon shirt-circuiting furnace

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109489424A (en) * 2018-12-06 2019-03-19 有研亿金新材料有限公司 A kind of furnace body can turn carbon shirt-circuiting furnace

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