EP2606285B1 - Alimentation en liquide doté d'un système de circulation par des tuyaux intérieurs continus - Google Patents

Alimentation en liquide doté d'un système de circulation par des tuyaux intérieurs continus Download PDF

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Publication number
EP2606285B1
EP2606285B1 EP11782534.9A EP11782534A EP2606285B1 EP 2606285 B1 EP2606285 B1 EP 2606285B1 EP 11782534 A EP11782534 A EP 11782534A EP 2606285 B1 EP2606285 B1 EP 2606285B1
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EP
European Patent Office
Prior art keywords
pipe
pipes
liquid supply
outer pipes
branch
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.)
Active
Application number
EP11782534.9A
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German (de)
English (en)
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EP2606285A2 (fr
Inventor
Herbert Spiegel
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Individual
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Individual
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Priority claimed from DE201110008721 external-priority patent/DE102011008721A1/de
Application filed by Individual filed Critical Individual
Priority to PL11782534T priority Critical patent/PL2606285T3/pl
Publication of EP2606285A2 publication Critical patent/EP2606285A2/fr
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Publication of EP2606285B1 publication Critical patent/EP2606285B1/fr
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17D—PIPE-LINE SYSTEMS; PIPE-LINES
    • F17D1/00—Pipe-line systems
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B7/00—Water main or service pipe systems
    • E03B7/04—Domestic or like local pipe systems
    • E03B7/045—Domestic or like local pipe systems diverting initially cold water in warm water supply
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D17/00—Domestic hot-water supply systems
    • F24D17/0078—Recirculation systems
    • F24D17/0084—Coaxial tubings
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/85954—Closed circulating system
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/85978—With pump
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/87265—Dividing into parallel flow paths with recombining
    • Y10T137/87338—Flow passage with bypass
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/877—With flow control means for branched passages

Definitions

  • the invention relates to a liquid supply with a circulation, such as. B. a hot water supply, consisting of thick outer tubes, in the interior of which a liquid can flow and a thin inner tube is laid, in which the liquid can flow in the opposite direction as in the space between the inner and outer tubes and including a connection of outer tubes and inner tubes.
  • a circulation such as. B. a hot water supply, consisting of thick outer tubes, in the interior of which a liquid can flow and a thin inner tube is laid, in which the liquid can flow in the opposite direction as in the space between the inner and outer tubes and including a connection of outer tubes and inner tubes.
  • the DE 198 49 362 C2 presents coaxial ducts for the supply of hot water, especially for buildings, and specially adapted elbows and T-shaped branches for this system. It is also explained in detail how a valve with a valve for controlling the flow of liquid through the inner tube looks like.
  • a fitting such as a valve
  • an inner tube must be accessible from the outside, to be moved from there with a handwheel, with a rotating motor or with another drive
  • the fitting must have a piece of pipe which is transverse to the longitudinal direction of the outer tube therethrough extends into the inner tube and is connected there to the inner tube. Through this cross tube through the shaft extends to operate the valve in the inner tube.
  • the generic document DE 35 42 374 relates to a water supply system for hot service water, in which an inner tube is already introduced in an outer tube and which is acted upon for the permanent hot water supply with circulating hot water.
  • To attach a slider in the outer tube is proposed in that place where the slide in the outer tube is integrated to lead the inner tube in this area to the outside and thereby to bridge the mounting point of the slide and then to lead back into the outer tube.
  • the invention has taken on the task of solving the problem occurring in water supply systems with branch points formation of different pressures in the water pipes in different local areas.
  • the insulators to be applied to these tubes and these connections are known and proven in numerous variants as standard components.
  • a very decisive advantage of the idea according to the invention is that any functional assemblies, such as e.g. Balancing valves for reducing the operating pressure in risers and secondary pipes can be integrated into the system without significant additional problems. In this way, even complex, automatically controlled valves and the required pressure sensors and / or temperature sensors can be integrated.
  • Another advantage of the inventive concept is that the retrofitting of existing systems with a circulation at relatively limited cost is possible. That's it only necessary to cut open the pipe section to be provided with a circulation at the beginning and at the end and to use a pipe branch there. Through the first branch pipe through an inner tube is then inserted, pushed through the pipe and out again at the second branch pipe to the outside. As a result, the formerly single-shell pipe becomes the outer pipe of a double-shell pipe system.
  • the longitudinal axis of the branching pipe socket has an acute angle to the longitudinal axis of the continuous outer pipe.
  • the advantage of this orientation is that the radius of curvature of the inner tube is considerably larger on its way from the interior of the outer tube and through the wall of the outer tube to the outside and thus no strong even at high flow velocity of the liquid Whirl in the Form the area of curvature, which benefits the life of the inner tube.
  • This "oblique" orientation of the pipe socket is also advantageous in the assembly of the inner tube, if the inner tube consists of a material that is flexible at least when laying. Then the inner tube may e.g. Unwound by the meter from a large reel and inserted into the pipe socket. As soon as it impinges on the wall opposite the pipe socket, the acute angle of the pipe socket relative to the longitudinal axis of the outer pipe clearly dictates in which direction the inner pipe continues to move. It then glides along the wall. By further Nachschieben the front portion of the inner tube curves and penetrates into the outer tube.
  • a resilient inner tube - e.g. made of a plastic - automatically returns to a straight shape.
  • An elastic but hardly elastic material, e.g. a copper tube, is directed by contact with the inner walls of the outer tube again in an approximately straight shape.
  • the inner tube can be pushed continuously through the outer tube until it reaches the next branch pipe and is brought back out through the pipe socket.
  • the two ends of the inserted inner tube must be sealingly connected to the two pipe sockets.
  • a ring can be used in the gap is pushed between the inner tube and the inner wall of the pipe socket. If this ring is conical in cross-section, it can be pressed by a union nut on the pipe socket in the space between the inner tube and inner wall of the pipe socket and thus cause a seal against the liquid.
  • other methods for sealing a pipe end in a flange are applicable to connect the inner tube with the pipe socket.
  • the vast majority of its tube length can be carried out with tubes guided into one another.
  • both the vertical risers, and the horizontal by-passes can be equipped so.
  • the main line, which supplies the individual risers can also be provided with an inner tube.
  • valves can be selected without regard to special requirements of the line system, so that each connection system can be inserted. If the existing connection on the pipe branch of the pipe branch does not match the connection of the valve - or another function module to be used there - suitable adapters can be inserted at a manageable expense.
  • any function module can also be used in the course of an outer tube.
  • the inner tube is bypassed the functional assembly, i. in front of and behind the functional assembly a pipe branch is ever used, through which the inner tube is led out, bolted to the outside of the next section of the inner tube and is returned from there back into the interior of the next section of the outer tube.
  • FIG. 1 is a schematic cross section through a T-shaped branch reproduced, which is equipped with a shut-off valve 6 in the course of Auenrohres 3 of the branching riser B and with a balancing valve 7 in the course of the associated, branching inner tube 2.
  • FIG. 1 the connections between the pipe branches 1 and the subsequent outer tubes 3 and the connections between the pipe socket 11 and the adjoining functional modules, such as a distributor 5, not shown.
  • FIG. 1 as well as the FIG. 2 are limited to the fact that the boundaries between the components only a different hatching of the cross section of the wall portions of the pipe branches 1 and 3 of the outer tubes and of the functional assemblies.
  • the section through the inner tubes 2 is greatly simplified.
  • the sectional surfaces of the walls of the inner tubes 2 are shown only by a relatively wide black line.
  • the screwing or otherwise formed connections of the ends of the inner tubes 2 in the pipe socket 11 are indicated only schematically by black rectangles.
  • the representation of the valves 6 and 7 for the sake of clarity instead of a realistic basic cross-section is reduced to the usual only for plans usual symbol with two crossed lines.
  • FIG. 1 shows how according to the invention the inner tube 2 of a circulation line is guided "past" at such a T-connection.
  • the uniform course of the circulation line, consisting of inner tubes 2 is interrupted to divert an inner tube 2 for the riser B thereof.
  • two pieces of pipe branches 1 are inserted into the outer tubes 3 of the main line A. Since the respective pipe socket 11 of the two branch pipes 1 are aligned at an acute angle to the longitudinal axis of the pipe branch 1, the two pipe branches 1 are inserted in opposite directions and spaced from each other in the outer tubes 3 of the main line A.
  • the two pipe sockets 11 of the pipe branches 1 are connected to a manifold 5, which in the embodiment shown here is a T-piece, from which a pipe piece branches off at the top.
  • a manifold 5 for this distributor 5 are in FIG. 1 as well as for all other elements the concrete connections to the adjacent pipes or functional assemblies not shown. It becomes clear, however, that the Liquid from the left inner tube 2 flows into the interior of the manifold 5 and there is distributed to the upwardly running pipe section and the right inner tube 2.
  • the liquid flows through an open balancing valve 7 and through a further, single-shell pipe to a third pipe branch 1. There it enters a third copy of an inner tube 2, which is vertically upward in the further course of Rising B extends.
  • FIG. 1 is not shown how the pipes and other assemblies are provided with a thermal insulation, because the well-known prior art.
  • FIG. 2 is the in FIG. 1 shown branch from the main A twice included in the bottom right and in the middle bottom. This explains how to connect in a horizontal main line A, which is provided with a continuous inner tube 2, upwardly branched risers B and in the respective outer tube 3 per a shut-off valve 6 and in the respective inner tube 2 a balancing valve 7 is inserted.
  • FIG. 2 are at the branch of the secondary line C from the riser B per a counter 8 inserted into the outer tube 3 and in the course of the inner tube 2. These two counters are symbolized by a circle inside the tube. The difference between the amounts of water that have passed through these two counters, then gives the actual amount of water consumed by the secondary line C from.
  • FIG. 2 is not shown how to the secondary line C and the bottom right end of the main line A liquid consumers, such as sinks, bathtubs, toilets, dishwashers and others are connected.
  • liquid consumers such as sinks, bathtubs, toilets, dishwashers and others are connected.
  • the memory 10 is shown, in which the - not shown here - liquid is tempered.
  • a double-shell pipe is connected to the memory 10.
  • the inner tube 2 is guided to the depth of the memory 10, where it always has contact with the liquid.
  • FIG. 2 Left in FIG. 2 is to insert a pump 9 at the beginning of the main line A via two branches of the pipe 1, the inner tube 2 outwards and over the two pipe sockets 11 and - in FIG. 2 not further developed - adapter 4 connected to a pump 9.
  • the pump 9 via the leftmost inner tube 2 sucks liquid from the memory 10 and feeds it via a further inner tube 2 in the liquid supply.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Pipeline Systems (AREA)
  • Domestic Plumbing Installations (AREA)
  • Branch Pipes, Bends, And The Like (AREA)

Claims (9)

  1. Alimentation en liquide avec une circulation, comme p.ex. une alimentation en eau chaude, consistant en tuyaux extérieurs épais (3) dans l'espace intérieur (31) desquels
    - un liquide peut couler et
    - dans chacun desquels se trouve un tuyau intérieur mince (2) dans lequel le liquide peut couler dans le sens inverse à celle de l'espace intérieur (31),
    et consistant en une liaison en T de tuyaux extérieurs et de tuyaux intérieurs, caractérisée par le fait que
    - une dérivation de tuyauterie (1) a été mise en place sur l'ensemble des trois tuyaux extérieurs menant au point de liaison afin de réaliser une liaison en T,
    - les tuyaux intérieurs (2) sont amenés à l'extérieur à travers ces dérivations de tuyau (1), et sont reliés ensemble par une pièce en T à l'extérieur des tuyaux extérieurs (3),
    - les trois tuyaux extérieurs (3) amenés à la liaison en T étant reliés ensemble à l'aide d'une deuxième pièce en T, sachant qu'au moins une vanne d'équilibrage (7) est placée dans le tuyau intérieur (2) à l'endroit où une des dérivations de tuyau (1) à travers laquelle un des tuyaux intérieurs (21) est amenée vers l'extérieur est placée dans le parcours d'un des tuyaux extérieurs (3).
  2. Alimentation en liquide selon la revendication 1, caractérisée par le fait qu'un autre tuyau intérieur (2)
    - peut être amené hors de l'espace intérieur (31) d'un des tuyaux extérieurs (3) à travers une dérivation de tuyau (1) supplémentaire et
    - peut être amené dans l'espace intérieur (31) d'un autre tuyau extérieur (3) à travers une dérivation de tuyau (1) supplémentaire.
  3. Alimentation en liquide selon une des revendications précédentes, caractérisée par le fait qu'un des tuyaux extérieurs (3) peut être séparé ultérieurement à n'importe quel endroit mécaniquement accessible et peut être à nouveau fermé en insérant une dérivation de tuyau (1) supplémentaire,
    - un autre des tuyaux extérieurs (3) pouvant également être séparé après coup à n'importe quel endroit mécaniquement accessible et pouvant être à nouveau fermé en insérant une dérivation de tuyau (1) supplémentaire,
    - et pouvant être, à travers les deux dérivations de tuyau (1) d'un des tuyaux intérieurs (2), amené hors de l'espace intérieur (31) du premier tuyau extérieur (3) et à nouveau dans l'espace intérieur (31) du second tuyau extérieur (3).
  4. Alimentation en liquide selon une des revendications précédentes, caractérisée par le fait qu'un sous-ensemble fonctionnel est inséré dans une zone du tuyau extérieur (3)
    - qui se trouve entre deux dérivations de tuyau (1) et
    - qui ne possède pas de tuyau intérieur (2).
  5. Alimentation en liquide selon la revendication 4, caractérisée par le fait qu'il est possible d'utiliser des sous-ensembles fonctionnels ayant les mêmes pièces de raccordement, au choix dans un des tuyaux extérieurs (3) ou pouvant être connecté avec un des tuyaux intérieurs (2).
  6. Alimentation en liquide selon la revendication 4, caractérisée par le fait que le sous-ensemble fonctionnel est
    - un couplage de tuyau et/ou
    - une dérivation et/ou
    - un croisement et/ou
    - une soupape d'échappement et/ou
    - un adaptateur (4) et/ou
    - un distributeur (5) et/ou
    - une vanne d'arrêt (6) et/ou
    - un barrage (7) et/ou
    - un compteur (8) et/ou
    - une pompe (9) et/ou
    - un réservoir (10) et/ou
    - une sonde de température.
  7. Alimentation en liquide selon une des revendications précédentes, caractérisée par le fait que dans au moins une des dérivations de tuyau (1), l'axe longitudinal de l'appui de tuyau dérivant (11) forme un angle aigu par rapport à l'axe longitudinal d'un des tuyaux extérieurs (3) traversants.
  8. Alimentation en liquide selon une des revendications précédentes, caractérisée par le fait qu'il contient des faisceaux ayant des directions différentes, qui peuvent suivre un parcours, p.ex. vertical en tant que colonnes montantes (B), horizontal en tant que conduites annexes (C) ou dans n'importe quelle direction en tant que conduite principale (A).
  9. Alimentation en liquide selon une des revendications précédentes, caractérisée par le fait que des soupapes d'échappement sont incorporées pour vider les tuyaux extérieurs (3) et/ou les tuyaux intérieurs (2).
EP11782534.9A 2010-08-16 2011-08-16 Alimentation en liquide doté d'un système de circulation par des tuyaux intérieurs continus Active EP2606285B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL11782534T PL2606285T3 (pl) 2010-08-16 2011-08-16 Układ doprowadzania cieczy z cyrkulacją przez przebiegającą w sposób ciągły rurę wewnętrzną

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102010034455 2010-08-16
DE201110008721 DE102011008721A1 (de) 2010-08-16 2011-01-17 Installation innenliegender Rohrsysteme
PCT/DE2011/001594 WO2012025095A2 (fr) 2010-08-16 2011-08-16 Alimentation en liquide doté d'un système de circulation par des tuyaux intérieurs continus

Publications (2)

Publication Number Publication Date
EP2606285A2 EP2606285A2 (fr) 2013-06-26
EP2606285B1 true EP2606285B1 (fr) 2017-03-01

Family

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Application Number Title Priority Date Filing Date
EP11782534.9A Active EP2606285B1 (fr) 2010-08-16 2011-08-16 Alimentation en liquide doté d'un système de circulation par des tuyaux intérieurs continus

Country Status (4)

Country Link
US (1) US9032995B2 (fr)
EP (1) EP2606285B1 (fr)
DE (1) DE112011104210A5 (fr)
WO (1) WO2012025095A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019149591A1 (fr) 2018-01-30 2019-08-08 Spiegel, Doris Raccord de tuyau

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AT514205B1 (de) * 2013-05-29 2014-11-15 Volker Moser Verfahren zum Dämpfen von Druckpulsationen
EP3169389B1 (fr) * 2014-07-18 2020-06-03 Fisher & Paykel Healthcare Limited Système à masque respiratoire
JP6826991B2 (ja) 2015-03-04 2021-02-10 フィッシャー アンド ペイケル ヘルスケア リミテッド マスクシステムヘッドギア
USD882066S1 (en) 2016-05-13 2020-04-21 Fisher & Paykel Healthcare Limited Frame for a breathing mask
EP3742057A1 (fr) * 2019-05-21 2020-11-25 Georg Fischer JRG AG Récupération de chaleur

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019149591A1 (fr) 2018-01-30 2019-08-08 Spiegel, Doris Raccord de tuyau
US11486524B2 (en) 2018-01-30 2022-11-01 Doris Spiegel Pipe fitting

Also Published As

Publication number Publication date
US20130167956A1 (en) 2013-07-04
EP2606285A2 (fr) 2013-06-26
US9032995B2 (en) 2015-05-19
WO2012025095A3 (fr) 2013-03-07
WO2012025095A2 (fr) 2012-03-01
DE112011104210A5 (de) 2013-09-26

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