DE410186C - Fixing the pipe ends of flue gas preheaters in their collecting boxes - Google Patents

Fixing the pipe ends of flue gas preheaters in their collecting boxes

Info

Publication number
DE410186C
DE410186C DED43993D DED0043993D DE410186C DE 410186 C DE410186 C DE 410186C DE D43993 D DED43993 D DE D43993D DE D0043993 D DED0043993 D DE D0043993D DE 410186 C DE410186 C DE 410186C
Authority
DE
Germany
Prior art keywords
pipe ends
flue gas
fixing
pipe
collecting boxes
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
DED43993D
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.)
Deutsche Babcock and Wilcox Dampfkesselwerke AG
Original Assignee
Deutsche Babcock and Wilcox Dampfkesselwerke AG
Publication date
Priority to DED43993D priority Critical patent/DE410186C/en
Application granted granted Critical
Publication of DE410186C publication Critical patent/DE410186C/en
Expired legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22STEAM GENERATION
    • F22DPREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
    • F22D1/00Feed-water heaters, i.e. economisers or like preheaters
    • F22D1/02Feed-water heaters, i.e. economisers or like preheaters with water tubes arranged in the boiler furnace, fire tubes, or flue ways

Description

Befestigung der Flohronden von Rauchgasvorwärmern in ihren Sammelkästen. Die Erfindung. "betrifft eine Befestigung der Rohrenden der Rauchgasvorwärmer in ihieii 5`ä.mmelkästen, bei der die kegelförmig angespitzten oder aufgeweiteten Rohrenden in oder über entsprechende kegelförmige Flächen der Rohrstutzen der Kästen geschoben werden.Fastening the flue tubes of flue gas preheaters in their collecting boxes. The invention. "relates to a fastening of the pipe ends of the flue gas preheater in ihieii 5`ä.mmelkästen, in which the conical pointed or widened pipe ends pushed into or over corresponding conical surfaces of the pipe socket of the boxes will.

Gemäß der Erfindung soll der auf Zug beanspruchte Teil des Rohres oder der Rohrstutzen mit einem Spannring umgeben sein, der die Zugspannungen aufnimmt.According to the invention, the part of the pipe which is subject to tensile stress or the pipe socket can be surrounded by a clamping ring that absorbs the tensile stresses.

In der Zeichnung ist die Erfindung in mehreren Ausführungsbeispielen dargestellt, und zwar zeigen: Abb. i die neue Befestigungsart, Abb. 2 einen wagerechten Schnitt nach Linie a-a der Abb. i mit Spannring.In the drawing, the invention is shown in several exemplary embodiments shown, namely: Fig. i the new type of fastening, Fig. 2 a horizontal one Section along line a-a of Fig. I with clamping ring.

Der untere Sammelkasten 3' ist außen mit kegelförmigen Stutzen 5 ausgerüstet. Das untere Ende 6 der Rohre 2' ist kegelförmig aufgeweitet und mit dieser Aufweitung über die kegelförmigen Stutzen 5 gepreßt. Um ein Auseinandersprengen des unteren Rohrendes zu verhüten, ist es mit einem Ring -7. (Schrumpfring) versehen. Das obere Ende 8 des Rohres 2' ist außen ebenfalls mit einer kegelförmig auslaufenden Fläche 9 versehen. Dieses Rohrende 8, das auch innen kegelförmig gestaltet ist, wird in eine entsprechende keilförmige Nut io an der Unterseite der oberen Sammelkästen q.' eingepreßt. Das Rohrende 8 oder die Innen- oder Außenwand der Ringnut io können mit Schlitzen versehen sein, um eine elastischere Verbindung zu sichern. Auch kann die Außenwand der Ringnut mit einer Spannvorrichtung 12 (Abb. 2) versehen sein.The lower collecting tank 3 'is equipped with conical connecting pieces 5 on the outside. The lower end 6 of the tubes 2 'is widened conically and with this widening pressed over the conical nozzle 5. To break apart the lower one To prevent the end of the pipe, it is with a ring -7. (Shrink ring). The top The end 8 of the tube 2 'is also on the outside with a conically tapering surface 9 provided. This pipe end 8, which is also conical on the inside, is shown in FIG a corresponding wedge-shaped groove io on the underside of the upper collecting tanks q. ' pressed in. The pipe end 8 or the inner or outer wall of the annular groove io can be provided with slots to ensure a more elastic connection. Also can the outer wall of the annular groove can be provided with a clamping device 12 (Fig. 2).

Claims (1)

PATENTANSPRUCH: Befestigung der Rohrenden von Rauchgasvorwärmern in ihren Sammelkästen, bei der die kegelförmigen Rohrenden auf kegelförmige Flächen der Rohransätze der Kästen geschoben werden, dadurch gekennzeichnet, daß die Außenseite der Rohrenden oder der Rohransätze von einem Spannring (7,12) umfaßt sind. Claim: fastening of the pipe ends of flue gas preheaters in their collecting boxes, in which the conical pipe ends are pushed onto conical surfaces of the pipe sockets of the boxes, characterized in that the outside of the pipe ends or the pipe sockets are encompassed by a clamping ring ( 7, 12).
DED43993D Fixing the pipe ends of flue gas preheaters in their collecting boxes Expired DE410186C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DED43993D DE410186C (en) Fixing the pipe ends of flue gas preheaters in their collecting boxes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DED43993D DE410186C (en) Fixing the pipe ends of flue gas preheaters in their collecting boxes

Publications (1)

Publication Number Publication Date
DE410186C true DE410186C (en) 1925-02-24

Family

ID=7048005

Family Applications (1)

Application Number Title Priority Date Filing Date
DED43993D Expired DE410186C (en) Fixing the pipe ends of flue gas preheaters in their collecting boxes

Country Status (1)

Country Link
DE (1) DE410186C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19548185A1 (en) * 1995-12-21 1997-06-26 Joachim Dr Schlegel Medium-guiding pipe system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19548185A1 (en) * 1995-12-21 1997-06-26 Joachim Dr Schlegel Medium-guiding pipe system
DE19548185C2 (en) * 1995-12-21 1998-07-02 Joachim Dr Schlegel Media-carrying pipe system

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