DE451054C - Process for removing residual gases from the metal casing of discharge vessels - Google Patents

Process for removing residual gases from the metal casing of discharge vessels

Info

Publication number
DE451054C
DE451054C DES71292D DES0071292D DE451054C DE 451054 C DE451054 C DE 451054C DE S71292 D DES71292 D DE S71292D DE S0071292 D DES0071292 D DE S0071292D DE 451054 C DE451054 C DE 451054C
Authority
DE
Germany
Prior art keywords
jacket
liquid
residual gases
gas
metal
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
DES71292D
Other languages
German (de)
Inventor
Dr Rudolf G Berthold
Dipl-Ing Erwin Reimann
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.)
Siemens Schuckertwerke AG
Original Assignee
Siemens Schuckertwerke AG
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 Siemens Schuckertwerke AG filed Critical Siemens Schuckertwerke AG
Priority to DES71292D priority Critical patent/DE451054C/en
Application granted granted Critical
Publication of DE451054C publication Critical patent/DE451054C/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/38Exhausting, degassing, filling, or cleaning vessels
    • H01J9/385Exhausting vessels

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Gas Separation By Absorption (AREA)

Description

Verfahren zum Entfernen der Restgase aus dem 1Vletallmantel von Entladungsgefäßen. Gemäß der Erfindung werden die Restgase aus dem Metallmantel von Entladungsgefäßen dadurch entfernt, daß man den Metallmantel mit einem Gas oder einer Flüssigkeit umgibt, welche. die Restgase leichter aufnimmt als das Metall, aus welchem der Mantel hergestellt ist, z. B. flüssige bzw. gasförmige Alkalimetalle (Natrium, Kalium).Process for removing the residual gases from the 1-metal jacket of discharge vessels. According to the invention, the residual gases are removed from the metal jacket of discharge vessels by removing the metal jacket with a gas or a liquid surrounds which. absorbs the residual gases more easily than the metal from which the jacket is made, e.g. B. liquid or gaseous alkali metals (sodium, potassium).

Die im Metallmantel enthaltenen Restgase diffundieren unter dem Einfluß der höheren Temperatur an- der Innenwand des Entladungsgefäßes nach außen und können von dort leicht -entfernt werden. Die Diffusion der Restgase nach der Oberfläche des Mietallmantels kann gesteigert werden, wenn man für eine gute Kühlung der Oberfläche sorgt. Man benutzt daher weiter erfindungsgemäß die den Mantel umgebende Flüssigkeit oder das Gas als Kühlmittel, indem man sie an dem Metallmantel vorbeiführt. Um einen übertritt der Moleküle des Gases bzw. des Dampfes der Kühlflüssigkeit nach dem Innern des Entladungsgefäßes zu verhindern, ist es zweckmäßig, sie unter so geringen Druck zu setzen, daß die mittlere freie Weglänge der Moleküle so groß ist, daß für die Bewegung derselben nach dem Innern des Entladungsgefäßes nur noch die Molekularströmung in Frage kommt.The residual gases contained in the metal jacket diffuse under the influence the higher temperature on the inner wall of the discharge vessel to the outside and can can be easily removed from there. The diffusion of the residual gases towards the surface the rental jacket can be increased if you look for a good cooling of the surface cares. Therefore, according to the invention, the liquid surrounding the jacket is also used or the gas as a coolant by passing it past the metal jacket. To one the molecules of the gas or the vapor of the cooling liquid pass inside To prevent the discharge vessel, it is useful to keep it under such low pressure to put that the mean free path of the molecules is so large that for the Movement of the same towards the interior of the discharge vessel only results in the molecular flow can be considered.

Claims (2)

PATENTANSPRÜCHE: i. Verfahren zur Entfernung der Restgase aus dem Metallmantel von Entladungsgefäßen, dadurch gekennzeichnet, daß man den Metallmantel mit einem Gas oder einer Flüssigkeit, z. B. flüssige bzw. gasförmige Alkalimetalle, wie Natrium oder Kalium, umgibt, welche die Restgase leichter aufnimmt als das Metall, aus, welchem der Mantel hergestellt ist. PATENT CLAIMS: i. Process for removing the residual gases from the Metal jacket of discharge vessels, characterized in that the metal jacket with a gas or a liquid, e.g. B. liquid or gaseous alkali metals, like sodium or potassium, which absorbs the residual gases more easily than the metal, from which the jacket is made. 2. Verfahren nach Anspruch i, dadurch gekennzeichnet, daß das Gas oder die Flüssigkeit als Kühlmittel dient. 3:- Verfahren nach Anspruch i und 2, dadurch gekennzeichnet= daß das den Mantel umgebende Gas bzw, die den Mantel umgebende Flüssigkeit unter so geringem Druck steht, daß die mittlere freie Weglänge der Moleküle des Gases bzw. des von der Flüssigkeit entwickelten Dampfes so groß ist, daßfür die Bewegung derselben nach dem Innern des Entladungsgefäßes nur noch die sogenannte Molekulärströmung in Frage kommt.2. The method according to claim i, characterized in that that the gas or liquid serves as a coolant. 3: - Method according to claim i and 2, characterized = that the gas surrounding the jacket or the jacket surrounding liquid is under so little pressure that the mean free path the molecules of the gas or the vapor developed by the liquid are so large is that for the movement of the same towards the interior of the discharge vessel only the so-called molecular flow comes into question.
DES71292D 1925-08-29 1925-08-29 Process for removing residual gases from the metal casing of discharge vessels Expired DE451054C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DES71292D DE451054C (en) 1925-08-29 1925-08-29 Process for removing residual gases from the metal casing of discharge vessels

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DES71292D DE451054C (en) 1925-08-29 1925-08-29 Process for removing residual gases from the metal casing of discharge vessels

Publications (1)

Publication Number Publication Date
DE451054C true DE451054C (en) 1927-10-19

Family

ID=7502363

Family Applications (1)

Application Number Title Priority Date Filing Date
DES71292D Expired DE451054C (en) 1925-08-29 1925-08-29 Process for removing residual gases from the metal casing of discharge vessels

Country Status (1)

Country Link
DE (1) DE451054C (en)

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