EP2607786B1 - Agencement avec un coude de tube pour transport de gaz d'échappement dans des installations de chauffage - Google Patents

Agencement avec un coude de tube pour transport de gaz d'échappement dans des installations de chauffage Download PDF

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Publication number
EP2607786B1
EP2607786B1 EP12198871.1A EP12198871A EP2607786B1 EP 2607786 B1 EP2607786 B1 EP 2607786B1 EP 12198871 A EP12198871 A EP 12198871A EP 2607786 B1 EP2607786 B1 EP 2607786B1
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EP
European Patent Office
Prior art keywords
pipe bend
pipe
bend section
section
arrangement according
Prior art date
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Application number
EP12198871.1A
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German (de)
English (en)
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EP2607786A1 (fr
Inventor
Dieter Bächle
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BAECHLE, DIETER
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Individual
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J13/00—Fittings for chimneys or flues 
    • F23J13/04—Joints; Connections
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J2213/00—Chimneys or flues
    • F23J2213/20—Joints; Connections
    • F23J2213/201—Joints; Connections between stack and branch pipes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J2900/00—Special arrangements for conducting or purifying combustion fumes; Treatment of fumes or ashes
    • F23J2900/13004—Water draining devices associated with flues

Definitions

  • the invention relates to an arrangement according to claim 1.
  • a pipe bend according to the preamble of claim 1 is known from Fig. 2 of the NL 8 701 257 A known.
  • the known pipe bend has two, each connectable to an exhaust pipe pipe bend sections, which are arranged approximately at right angles to each other, wherein the two, connected via a continuously curved arc section pipe sections have a different length.
  • the longer-length pipe bend portion is arranged on the side of the boiler of the heating system, while the shorter length pipe bend portion is arranged vertically toward an exhaust outlet in the direction of a roof of a building.
  • One from the DE 196 21 613 A1 known pipe bend is formed by a T-shaped exhaust pipe with two straight, rectangular cutting pipe sections, which is closed to form the pipe bend at one of a pipe section by means of a lid ( Fig. 4 ).
  • the pipe bend can be connected on one side with a heating system, and on the other side with a particular rectilinear exhaust stack.
  • a disadvantage of this prior art is that by the T-shaped arrangement of the two pipe sections of the pipe bend has a relatively large width (transverse to the extension of an exhaust stack), so that the exhaust stack must have a relatively large cross-section.
  • it is relatively complicated formed by the additionally required lid and fluidly unfavorable due to the right angle intersecting pipe sections.
  • another pipe bend is from the DE 299 11 567 U1 known.
  • This elbow has a particular ceramic existing Pipe on, the like of lightweight concrete or similar is poured.
  • the known pipe bend can be connected via plug connections with further pipes, so that in particular a gas-tight coupling of the pipes to the pipe bend is not ensured.
  • a pipe bend which has an opening in an arcuate section, which is accessible after removal of a closure from the outside. This makes it possible, for example, to introduce for the inspection or control of the exhaust pipe measuring instruments or the like in the region of the pipe bend and connected to the pipe bend pipes.
  • the inventor has set itself the task of developing a pipe bend for the exhaust system in heating systems according to the preamble of claim 1 such that it has a particularly compact design with low weight in aerodynamic training and also a particularly safe To enable connection with the heating system.
  • This object is achieved in an arrangement with the features of claim 1.
  • the two pipe bend sections are arranged at an angle smaller than 90 °, preferably 87 ° to each other.
  • the ratio between the diameter of the two pipe bend sections and the length of the second pipe bend section is between 3: 1 and 5: 1, preferably 4: 1.
  • the arc section is designed as a circular arc section with a constant radius of curvature.
  • the pipe bend has a suspension device, preferably in the form of a suspension eye, on the side facing the second pipe bend section.
  • the suspension device is very particularly preferably arranged in the region of the curved section.
  • a condensate drain element is designed in the form of a peripheral bead or groove arranged on the inner wall of the curved section.
  • the design of the condensate drainage element in the form of a bead or groove has the particular advantage that such a bead or groove affects the flow cross section through the pipe bend only relatively small, so that the flow losses or any turbulence in the region of the pipe bend through the Condensate discharge element can be minimized.
  • it can be ensured by a corresponding shaping or arrangement of the bead or groove that over the entire inner circumference of the first pipe bend portion incoming condensate is passed safely and directly, in particular in a condensate discharge nozzle.
  • an arrangement 100 is shown which is part of an exhaust pipe system, which is arranged in particular within a shaft guide formed of stainless steel.
  • the arrangement 100 is used to connect an exhaust gas outlet of a heating system, not shown, with an outlet region, via which the exhaust gases of the heating system are discharged at least indirectly to the environment.
  • the assembly 100 includes one in the Fig. 1 recognizable, pipe bend 10 according to the invention, which has two pipe bend sections 11, 12, which, in particular with reference to Fig. 2 can be seen, in each case longitudinal axes 13, 14 which are approximately at right angles, in particular by an angle ⁇ of less than 90 °, preferably 87 ° inclined to each other. It is thus a slope in the direction of the exhaust outlet of the Heating system generated.
  • the pipe bend 10 is made of plastic, in particular as polypropylene (PP), and is integrally formed as a whole.
  • the pipe bend 10 is connected to the second pipe bend portion 12 with a rectilinear exhaust pipe 1, which is optionally connected via additional pipe extensions, not shown in the figures, with the mentioned exhaust outlet of the heating system.
  • the first pipe bend section 11 can be extended by means of further, not shown in the figures extension tubes, which are located within the exhaust shaft, such that the exhaust pipe is discharged through the further pipe extensions in the region of the outlet region of the chimney.
  • Fig. 2 is arranged on the side facing away from the first pipe bend portion 11 in the region of an arc portion 15 which connects the two pipe sections 11, 12, a condensate discharge nozzle 17 which is cylindrical, and whose longitudinal axis is aligned with the first longitudinal axis 13.
  • the condensate outlet 17 is connected to a in the Fig. 1 recognizable extension piece, in particular in the form of a siphon, connectable, in particular by screwing with the condensate discharge pipe 17.
  • the arc section 15 has a continuous curvature course, preferably with a constant radius of curvature r.
  • the two pipe bend sections 11, 12 have, for example, a nominal width of 80 mm.
  • the first pipe bend section 11 has a pipe socket connection on its end face facing away from the condensate discharge nozzle 17, so that the mentioned extension pipes can be connected to the first pipe bend section 11 by plugging and latching.
  • the second pipe bend section 12 which has a much smaller axial extension, for example a Rescueaxialerstreckung of about 20mm with respect to the first pipe bend portion 11, on its outer periphery an external thread 18 on which an internal thread 2 of the exhaust pipe 1 can be screwed.
  • Essential to the invention for the formation of the compact pipe bend 10 is that the external thread 18 connects directly to the outlet of the arc section 15.
  • sealing ring 20 in the form of an O-ring seals the second pipe bend section 12 from the exhaust pipe 1 out, so that no exhaust gas from the connection region between the pipe bend 10 and the exhaust pipe 1 can escape.
  • a suspension device in the form of a suspension lug 22 is located on the side facing the second pipe bend section 12 just above the external thread 18.
  • the condensate discharge nozzle 17 has on its outer side a radially encircling flange 25, which is connected by means of several, in the exemplary embodiment by means of four, at equal angular intervals to each other arranged reinforcing ribs 26 with the outer wall of the condensate discharge nozzle 17.
  • the bottom 27 of the flange 25 serves as a support of the pipe bend 10 on the top of a in the Fig. 2 only indicated support means 30, for example in the form of a support plate or the like, which has a corresponding recess or a corresponding opening in the region of the condensate discharge nozzle 17, such that the flange 25 of the condensate discharge nozzle 17 rests on the support means 30.
  • the arrangement of the bottom 27 of the flange 25 is such that the bottom 27, as shown in the Fig. 2 can be seen, is located at a level below the external thread 18 of the second pipe bend portion 12. This ensures that in particular the exhaust pipe 1 is still above the support means 30 and thus can be connected without risk of collision with the pipe bend 10.
  • the condensate discharge nozzle 17 has on its outside on the side opposite the first pipe bend portion 11 and below the support means 30 a radially encircling groove 31, which is part of a securing device.
  • the groove 31 cooperates with an element, not shown in the figures, of the securing device, for example in the form of a wire spring clip or the like, such that the pipe bend 10 in the state in which it is connected to the support device 30 axially in the Supporting device 30 is secured.
  • the condensate discharge nozzle 17 On the opposite side of the first pipe bend portion 11 of the flange 25, the condensate discharge nozzle 17 still has an external thread 32 which serves to attach the addressed siphon.
  • the condensate discharge nozzle 17 has a substantially smaller diameter than the two pipe bend sections 11, 12, for example a diameter of 24 mm.
  • the condensate discharge pipe 17 serves to discharge condensate which condenses in the region of the pipes above the first pipe bend portion 11 on the inner wall of the pipes, and which runs down in the direction of the pipe bend 10 due to gravity. In order to allow a targeted discharge or guidance of the condensate in the region of the pipe bend 10 in the direction of the condensate discharge nozzle 17, is on the inner wall of the sheet portion 15, in particular with reference to Fig.
  • a condensate discharge element 33 in the form of a bead 35.
  • a groove-shaped design of the condensate drainage element 33 is conceivable (not shown).
  • the bead 35 preferably extends over the entire inner circumference of the arc section 15 and has two sections 36, 37 arranged at an angle ⁇ of more than 180 ° to one another.
  • the rectilinear sections 36, 37 form a barrier to flowing condensate, viewed along the inner circumference of the arc section 15, along which the condensate is guided to the condensate outlet 17 or to the bore mark 16 in order to be able to be discharged therefrom ,
  • the condensate discharge nozzle 17 and the bore mark 16 are arranged in the region of the portion 37 such that the condensate passes from the portion 37 in the condensate discharge nozzle 17 and is discharged via the bore mark 16 (with trained hole).
  • the bore marking 16 is preferably arranged directly next to the section 37 on the side facing the first pipe bend section 11.
  • the bead 35 has, for example, a width of 2 mm, and extends from the inner wall of the bow portion 15 at a height of about 2.5 mm.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Silencers (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)

Claims (13)

  1. Agencement (100) comprenant un tuyau d'échappement (1) qui est connecté à une installation de chauffage, et un coude tubulaire (10) pour le guidage de gaz d'échappement dans des installations de chauffage, une première portion de coude tubulaire (11) disposée de manière concentrique par rapport à un premier axe longitudinal (13), et une deuxième portion de coude tubulaire (12) disposée de manière concentrique par rapport à un deuxième axe longitudinal (14), les deux axes longitudinaux (13, 14) étant disposés approximativement à angle droit l'un par rapport à l'autre, les deux portions de coude tubulaire (11, 12) étant connectées l'une à l'autre par le biais d'une portion de coude (15) de courbure constante,
    la deuxième portion de coude tubulaire (12) présentant une plus petite longueur que la première portion de coude tubulaire (11),
    caractérisé en ce que
    - la deuxième portion de coude tubulaire (12) présente une connexion par engagement par correspondance géométrique (18),
    - la deuxième portion de coude tubulaire-(12) présente en outre un dispositif d'étanchéité (20) pour l'agencement d'un élément d'étanchéité,
    - le dispositif d'étanchéité est réalisé de manière à étanchéifier de manière étanche au gaz la deuxième portion de coude tubulaire (12) par rapport au tuyau d'échappement (1),
    - la connexion par engagement par correspondance géométrique se raccorde directement à la portion de coude (15),
    - le coude tubulaire (10) est réalisé d'une seule pièce en plastique, et
    - la deuxième portion de coude tubulaire (12) présentant la plus petite longueur est connectée au tuyau d'échappement (1) du côté de la portion de coude (15) tourné vers l'installation de chauffage.
  2. Agencement selon la revendication 1,
    caractérisé en ce
    que la connexion par engagement par correspondance géométrique est réalisée sous la forme d'une connexion filetée qui présente un filetage extérieur (18) réalisé au niveau de la deuxième portion de coude tubulaire (12).
  3. Agencement selon la revendication 1 ou 2,
    caractérisé en ce
    que l'élément d'étanchéité est réalisé sous la forme d'un joint torique (20).
  4. Agencement selon l'une quelconque des revendications 1 à 3,
    caractérisé en ce
    que le dispositif d'étanchéité est disposé sur le côté de la deuxième portion de coude tubulaire (12) opposé à la portion de coude (15).
  5. Agencement selon l'une quelconque des revendications 1 à 4,
    caractérisé en ce
    que les deux portions de coude tubulaire (11, 12) sont disposées suivant un angle (α) inférieur à 90° l'une par rapport à l'autre.
  6. Agencement selon la revendication 5, caractérisé en ce que l'angle (α) vaut 87°.
  7. Agencement selon l'une quelconque des revendications 1 à 6,
    caractérisé en ce
    que le rapport entre le diamètre des deux portions de coude tubulaire (11, 12) et la longueur de la deuxième portion de coude tubulaire (12) est compris entre 3:1 et 5:1.
  8. Agencement selon l'une quelconque des revendications 1 à 7,
    caractérisé en ce
    que la portion de coude (15) est réalisée sous forme de portion de coude circulaire avec un rayon de courbure constant (r).
  9. Agencement selon l'une quelconque des revendications 1 à 8,
    caractérisé en ce
    que le coude tubulaire (10) sur le côté tourné vers la deuxième portion de coude tubulaire (12) présente un dispositif d'accrochage (22), de préférence sous la forme d'un oeillet d'accrochage (22), et en ce que le dispositif d'accrochage (22) est disposé dans la région de la portion de coude (15).
  10. Agencement selon les revendications 1 à 9,
    caractérisé en ce
    que dans la région de la portion de coude (15) est prévu un raccord d'écoulement de condensat (17) ou un marquage d'alésage (16) pour réaliser un écoulement de condensat, le raccord d'écoulement de condensat (17) réalisé sous forme cylindrique servant à évacuer le condensat refluant hors de la première portion de coude tubulaire (11), et l'axe longitudinal du raccord d'écoulement de condensat (17) étant en affleurement avec le premier axe longitudinal (13) de la première portion de coude tubulaire (11).
  11. Agencement selon la revendication 10,
    caractérisé en ce
    qu'au moins un élément de dérivation de condensat (33) est prévu dans la section transversale d'écoulement de la portion de coude (15), le raccord d'écoulement de condensat (17) coopérant avec l'élément de dérivation de condensat (33) qui est réalisé sous la forme d'un rehaussement périphérique disposé au niveau de la paroi interne de la portion de coude (15) ou d'un renfoncement périphérique.
  12. Agencement selon la revendication 11,
    caractérisé en ce
    que le rehaussement est réalisé sous la forme d'une moulure (35) ou le renfoncement est réalisé sous la forme d'une rainure.
  13. Agencement selon la revendication 11 ou 12,
    caractérisé en ce
    que l'élément de dérivation de condensat (33) présente deux portions (36, 37) disposées suivant un angle (β) l'une par rapport à l'autre.
EP12198871.1A 2011-12-22 2012-12-21 Agencement avec un coude de tube pour transport de gaz d'échappement dans des installations de chauffage Active EP2607786B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE201110056854 DE102011056854B4 (de) 2011-12-22 2011-12-22 Rohrbogen zur Abgasführung in Heizungsanlagen und Verwendung einer Anordnung mit einem Rohrbogen

Publications (2)

Publication Number Publication Date
EP2607786A1 EP2607786A1 (fr) 2013-06-26
EP2607786B1 true EP2607786B1 (fr) 2016-03-02

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP12198871.1A Active EP2607786B1 (fr) 2011-12-22 2012-12-21 Agencement avec un coude de tube pour transport de gaz d'échappement dans des installations de chauffage

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EP (1) EP2607786B1 (fr)
DE (1) DE102011056854B4 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT14055U3 (de) * 2014-11-06 2015-09-15 Ms Schwarz Gmbh Anlage mit Leitungsrohren und Rohrstück hierfür
DE102019201256A1 (de) * 2019-01-31 2020-08-06 Robert Bosch Gmbh Anschlussstück und Abgasanlage für einen Heizkessel sowie Brennwertgerät
DE102019119859B4 (de) * 2019-07-23 2021-02-11 Welipa Ag Montagemodul zur Anordnung einer Schachteinführung, Schachteinführungseinheit sowie Verfahren

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202005005852U1 (de) * 2005-04-12 2006-08-17 Joseph Raab Gmbh & Cie. K.G. Rohrbausystem mit Rohrelementen aus Metallblech, insbesondere zur Herstellung eines Abgasrohres im Kaminbau

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL192133B (nl) * 1986-05-26 1996-10-01 Metaalfab Burgerhout B V Afvoerkanaal voor verbrandingsgassen voorzien van condensafvoer- middelen.
DE19621613C2 (de) * 1996-05-30 2001-05-03 Ct Therm Abgastechnik Gmbh T-Förmiges Rohrstück für eine Abgasleitung
IT1305428B1 (it) * 1998-12-17 2001-05-04 Cast S R L Condotto di scarico gas di combustione ed aspirazione gas comburenti
DE29911567U1 (de) * 1999-07-02 1999-09-23 Erlus Baustoffwerke AG, 84088 Neufahrn Rohrwinkel-Formstück für ein Kamin-Rauchrohr
DE10159558C1 (de) * 2001-12-05 2003-04-03 Ct Therm Abgassystemtechnik Gm Einrichtung zum Verbinden von Rohrleitungsabschnitten
GB2415033A (en) * 2004-06-11 2005-12-14 Neil Kirby A flue turret elbow with a channel guiding condensation to a reservoir in a collector

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202005005852U1 (de) * 2005-04-12 2006-08-17 Joseph Raab Gmbh & Cie. K.G. Rohrbausystem mit Rohrelementen aus Metallblech, insbesondere zur Herstellung eines Abgasrohres im Kaminbau

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Publication number Publication date
EP2607786A1 (fr) 2013-06-26
DE102011056854A1 (de) 2013-06-27
DE102011056854B4 (de) 2014-10-16

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