DE971598C - Method for fastening sealing rings for non-contact labyrinth seals in rotating machines, especially centrifugal compressors for aggressive gases or gases with aggressive admixtures - Google Patents
Method for fastening sealing rings for non-contact labyrinth seals in rotating machines, especially centrifugal compressors for aggressive gases or gases with aggressive admixturesInfo
- Publication number
- DE971598C DE971598C DEL20571A DEL0020571A DE971598C DE 971598 C DE971598 C DE 971598C DE L20571 A DEL20571 A DE L20571A DE L0020571 A DEL0020571 A DE L0020571A DE 971598 C DE971598 C DE 971598C
- Authority
- DE
- Germany
- Prior art keywords
- sealing rings
- aggressive
- gases
- machine part
- grooves
- 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
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/44—Free-space packings
- F16J15/447—Labyrinth packings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
Description
Dichtungsringe für Labyrinthdichtungen an umlaufenden Teilen von Maschinen sind gewöhnlich aus Metall hergestellt, ζ. Β.' aus nichtrostendem Stahl, Reinaluminium oder Messing, und werden durch Verstemmen des Ringfußes selbst oder von Beilagen oder durch Einschieben von Beilagen in ihrer Lage gesichert. Diese Dichtungsringe sind unter bestimmten, betrieblichen Voraussetzungen nicht immer verwendbar, insbesondere wenn es sich ίο um Labyrinthdichtungen von Kreiselverdichtern für aggressive Gase oder Gase mit aggressiven Beimengungen handelt.Sealing rings for labyrinth seals on circumferential Parts of machines are usually made of metal, ζ. Β. ' made of stainless Steel, pure aluminum or brass, and are made by caulking the ring foot itself or from Inserts or by inserting inserts secured in their position. These sealing rings are not always usable under certain operational conditions, especially if it is ίο around labyrinth seals of centrifugal compressors for aggressive gases or gases with aggressive admixtures.
Es wird daher gemäß der Erfindung ein Verfahren zur Befestigung von Dichtungsringen für berührungsfreie Labyrinthdichtungen umlaufender Maschinen, insbesondere von Kreiselverdichtern für aggressive Gase oder Gase mit aggressiven Beimengungen, vorgeschlagen, nach dem aus thermoplastischem Kunststoff bestehende Dichtungsringe in an sich bekannter Weise in Ringnuten des umlaufenden oder des feststehenden Maschinenteiles eingestemmt oder eingesetzt werden, worauf oder wovor dieses Maschinenteil so erwärmt wird, daß der dadurch erweichte thermoplastische Kunststoff den ganzen Nutenquerschnitt auszufüllen vermag. Die Vorteile dieses Verfahrens bestehen insbesondere darin,, daß. früher durch Verstemmen der Ringe auftretende Verkr.ümmungen des die Dichtungsringe aufnehmenden Maschinenteils, insbesondere einer Welle, vermieden werden und trotzdem ein festes und gasdichtes Einbetten der Ringe erreicht wird.It is therefore according to the invention a method for fastening sealing rings for Non-contact labyrinth seals for rotating machines, especially for centrifugal compressors for aggressive gases or gases with aggressive additions, suggested after the off thermoplastic existing sealing rings in a known manner in annular grooves the rotating or the stationary machine part are caulked or inserted, what or what this machine part is heated so that the thermoplastic softened thereby Plastic can fill the entire cross-section of the groove. The advantages of this procedure consist in particular, that. previously curvatures of the sealing rings that occur due to caulking of the rings Machine part, in particular a shaft, can be avoided and still a solid and gas-tight Embedding the rings is achieved.
Dieses Verfahren kann gemäß der Erfindung insbesondere so durchgeführt werden, daß die Dichtungsringe in hinterdrehte Nuten eingestemmt oder eingesetzt werden, worauf das Maschinenteil und die eingestemmten oder eingesetzten Teile erwärmt werden und dann ein leichter Druck auf die Dichtungsringe ausgeübt wird, bis der ganze Nutenquerschnitt mit dem erweichten thermoplastischen Kunststoff ausgefüllt ist.According to the invention, this method can in particular be carried out so that the sealing rings be wedged or inserted into back-turned grooves, whereupon the machine part and the caulked or inserted parts are heated and then a slight pressure on the Sealing rings are applied until the entire groove cross-section with the softened thermoplastic Plastic is filled.
Nach einer weiteren Ausbildung des Verfahrens gemäß der Erfindung können die Dichtungsringe auch noch mit den Nutenwandungen verklebt werden. Eine zweckmäßige Verfahrensart besteht darin, vor dem Einbringen der Dichtungsringe in die Nuten des Maschinenteiles die Nutenwandungen mit einem Klebemittel zu behandeln.According to a further embodiment of the method according to the invention, the sealing rings are also glued to the groove walls. There is an appropriate type of procedure therein, before the sealing rings are inserted into the grooves of the machine part, the groove walls treat with an adhesive.
Dar erfindungsgemäße Verfahren ermöglicht die Verwendung von Kunststoff-Dichtungsringen in Labyrinthdichtungen, insbesondere für Kreiselverdichter, dadurch, daß es die erforderliche genügend innige Verbindung zwischen den Dichtungsringen und den sie tragenden Maschinenteil sicherstellt.The inventive method enables the use of plastic sealing rings in Labyrinth seals, especially for centrifugal compressors, in that there is the required sufficient ensures an intimate connection between the sealing rings and the machine part carrying them.
In der Zeichnung ist in einem Ausführungsbeispiel die Befestigung von Kunststoff-Dichtungsringen in hinterdrehte Nuten veranschaulicht. Fig. ι zeigt die in die Nuten eingesetzten Dichtungsringe, die eingestemmt und/oder nach Erwärmung des die Ringe aufnehmenden Maschinenteiles so lange eingedrückt werden, bis der Nutenquerschnitt vollständig ausgefüllt und der Kunststoff mit den Nutenwandungen fest verbunden ist (Fig. 2). Nach dem Abkühlen und Erhärten können die Ringe fertig bearbeitet werden (Fig. 3).In the drawing, the fastening of plastic sealing rings in back-turned grooves is illustrated in one embodiment. Fig. Ι shows the sealing rings inserted into the grooves, which are caulked and / or pressed in after the machine part receiving the rings has been heated until the groove cross-section is completely filled and the plastic is firmly connected to the groove walls (Fig. 2). After cooling and hardening, the rings can be finished (Fig. 3).
Die Dichtungsringe können quer geschlitzt sein oder aus mehreren ringsektorförmigen Teilen bestehen. The sealing rings can be slotted transversely or consist of several ring sector-shaped parts.
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEL20571A DE971598C (en) | 1954-12-07 | 1954-12-07 | Method for fastening sealing rings for non-contact labyrinth seals in rotating machines, especially centrifugal compressors for aggressive gases or gases with aggressive admixtures |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEL20571A DE971598C (en) | 1954-12-07 | 1954-12-07 | Method for fastening sealing rings for non-contact labyrinth seals in rotating machines, especially centrifugal compressors for aggressive gases or gases with aggressive admixtures |
Publications (1)
Publication Number | Publication Date |
---|---|
DE971598C true DE971598C (en) | 1959-02-26 |
Family
ID=7261780
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DEL20571A Expired DE971598C (en) | 1954-12-07 | 1954-12-07 | Method for fastening sealing rings for non-contact labyrinth seals in rotating machines, especially centrifugal compressors for aggressive gases or gases with aggressive admixtures |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE971598C (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1498585A2 (en) * | 2003-07-17 | 2005-01-19 | Arvin Technologies, Inc. | Assembly comprising a housing and a heat exchanger, particularly for a vehicle exhaust gas system |
DE102011004707A1 (en) * | 2011-02-25 | 2012-08-30 | Aktiebolaget Skf | Seal arrangement for wind turbine, has projections made of elastomeric material or rubber material, which are extended from shaft into region of labyrinth gaps |
-
1954
- 1954-12-07 DE DEL20571A patent/DE971598C/en not_active Expired
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1498585A2 (en) * | 2003-07-17 | 2005-01-19 | Arvin Technologies, Inc. | Assembly comprising a housing and a heat exchanger, particularly for a vehicle exhaust gas system |
EP1498585A3 (en) * | 2003-07-17 | 2006-06-07 | Arvin Technologies, Inc. | Assembly comprising a housing and a heat exchanger, particularly for a vehicle exhaust gas system |
DE102011004707A1 (en) * | 2011-02-25 | 2012-08-30 | Aktiebolaget Skf | Seal arrangement for wind turbine, has projections made of elastomeric material or rubber material, which are extended from shaft into region of labyrinth gaps |
DE102011004707B4 (en) * | 2011-02-25 | 2012-11-15 | Aktiebolaget Skf | sealing arrangement |
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