EP2606285A2 - 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

Info

Publication number
EP2606285A2
EP2606285A2 EP11782534.9A EP11782534A EP2606285A2 EP 2606285 A2 EP2606285 A2 EP 2606285A2 EP 11782534 A EP11782534 A EP 11782534A EP 2606285 A2 EP2606285 A2 EP 2606285A2
Authority
EP
European Patent Office
Prior art keywords
pipe
branch
tube
liquid supply
inner tube
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.)
Granted
Application number
EP11782534.9A
Other languages
German (de)
English (en)
Other versions
EP2606285B1 (fr
Inventor
Herbert Spiegel
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.)
Individual
Original Assignee
Individual
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
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
Application granted granted Critical
Publication of EP2606285B1 publication Critical patent/EP2606285B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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 having a circulation, such as e.g. a hot water supply, consisting of thick outer tubes, in whose interior a liquid can flow and in each case a thin inner tube is laid, in which the liquid can flow in the opposite direction as in the interior.
  • a circulation such as e.g. a hot water supply, consisting of thick outer tubes, in whose interior a liquid can flow and in each case a thin inner tube is laid, in which the liquid can flow in the opposite direction as in the interior.
  • CONFIRMATION COPY There is, which is only slightly warmed and thus for unwelcome bacteria, such as Legionella highly positive living conditions are created, so that the numerous grown small microorganisms, the water can be contaminated at the start of removal from a tap.
  • DE 39 26 202 A1 describes an outer tube of relatively large diameter, in whose interior an inner tube of comparatively small diameter is guided coaxially. Illustrated are elbows and T-shaped branches and in the form of a Y, which each contain push-in sleeves for an outer tube and an inner tube. This achieves a consistently constant distance between outer tube and inner tube.
  • 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 invention has set itself the task to build even larger systems for the supply of tempered liquids so that the two tubes of the circulation are performed on most of the pipe sections, but still no costs for angles, branches and fittings. special, but widely used standard components are usable.
  • the invention teaches that in the course of an outer tube at least a first branch pipe is inserted, through which the inner tube is guided outwards and there in the inner tube at least one functional assembly such. a shut-off valve is inserted and the inner tube is guided to a second branch pipe in the course of the outer tube and passes through this branch pipe and then further in the interior of the outer tube.
  • connection also requires only moderate special expenditures and no stipulations on specific types of connections.
  • plug connections it is also possible to use plug connections, welded connections or connections produced by bending in sections, such as so-called “press fittings.”
  • Adhesive and welded connections are also possible a working space around the connection zone is required, so it can be created comparatively easy.
  • 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 is made of a material that is flexible at least during installation.Then, the inner tube can be unwound as by the meter of 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 the direction in which the inner pipe continues to move, and then slides along the wall Front area of the inner tube and penetrates into the outer tube.
  • a spring-elastic inner tube - e.g. made of a plastic - automatically returns to a straight shape.
  • a purely elastic, but hardly resilient material, such as 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 continuously pushed through the outer tube until it reaches the next branch pipe and is then brought 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 for this space 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 so a seal against the
  • 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 taking into account special requirements of the piping system, so that every Final 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 passed in a "bypass" on the function module, ie before and behind the function assembly is ever a branch pipe inserted through which the inner tube is led out, bolted to the outside of the next section of the inner tube and from there back in the interior of the next section is returned from the outer tube.
  • Riser and secondary line 1 shows a schematic cross-section through a T-shaped branch, which is equipped with a shut-off valve 6 in the course of the outer tube 3 of the branching riser B and with a balancing valve 7 in the course of the associated, branching inner tube 2.
  • FIG. 1 as well as FIG. 2, are limited to the fact that the boundaries between the components only characterize a different hatching of the cross-section of the wall regions of the pipe branches 1 and of the outer pipes 3 and of the functional assemblies.
  • the section through the inner tubes 2 is greatly simplified.
  • Cut surfaces of the walls of the inner tubes 2 are shown only by a relatively wide black line.
  • the fittings or other connections formed the ends of the inner tubes 2 in the pipe socket 1 1 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.
  • the cross-sections of the tubes and all functional assemblies are relatively large.
  • a horizontally continuous main line A can be seen.
  • a T-piece is installed as a branch for the riser B and inserted into the riser B, the shut-off valve 6 on the left side.
  • FIG. 1 shows how, according to the invention, the inner tube 2 of a circulation line is guided "past."
  • the uniform course of the circulation line, consisting of inner tubes 2 is interrupted in order to divert an inner tube 2 for the riser line B from it.
  • two pieces of pipe branches 1 are inserted into the outer tubes 3 of the main line A. Since the respective pipe socket 1 1 of the two branches of the pipe 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 1 1 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 which in the embodiment shown here is a T-piece, from which a pipe piece branches off at the top.
  • the concrete connections to the adjacent pipes or functional assemblies are not shown in FIG. It becomes clear, however, that the Liquid flows from the left inner tube 2 into the inner space of the distributor 5 and there distributes itself to the further upstream tube piece and to the right inner tube 2. From the upwardly running pipe section, 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 known prior art.
  • the branch shown in FIG. 1 is contained twice by the main line A, namely at the bottom right and in the middle at the 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.
  • a counter 8 are inserted into the outer tube 3 and in the course of the inner tube 2 at the branch of the secondary line C from the riser B. 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.
  • a main line consisting of outer tubes 3 u.

Landscapes

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

Abstract

L'invention concerne une alimentation en liquide comprenant un système de circulation, par exemple, une alimentation en eau chaude, constituée de tuyaux extérieurs épais dans l'espace intérieur desquels s'écoule un liquide et qui renferment respectivement un tuyau intérieur mince dans lequel le liquide peut s'écouler dans la direction opposée; dans le tracé d'au moins un tuyau extérieur, une première dérivation permet l'extraction du tuyau intérieur; et dans cette première dérivation, au moins un module fonctionnel comme, par exemple, une soupape d'arrêt est insérée dans le tuyau intérieur; et le tuyau intérieur est guidé jusqu'à une deuxième dérivation dans le tracé d'un tuyau extérieur; et traverse cette dérivation pour ensuite s'étendre jusque dans l'espace intérieur du dernier tuyau extérieur mentionné.
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 true EP2606285A2 (fr) 2013-06-26
EP2606285B1 EP2606285B1 (fr) 2017-03-01

Family

ID=53836315

Family Applications (1)

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
DE102018102020A1 (de) 2018-01-30 2019-08-01 Doris Spiegel Rohrfitting

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AT514205B1 (de) * 2013-05-29 2014-11-15 Volker Moser Verfahren zum Dämpfen von Druckpulsationen
CN106659864B (zh) * 2014-07-18 2019-10-01 费雪派克医疗保健有限公司 头戴具夹扣装置
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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Publication number Priority date Publication date Assignee Title
DE102018102020A1 (de) 2018-01-30 2019-08-01 Doris Spiegel Rohrfitting

Also Published As

Publication number Publication date
US20130167956A1 (en) 2013-07-04
DE112011104210A5 (de) 2013-09-26
EP2606285B1 (fr) 2017-03-01
WO2012025095A2 (fr) 2012-03-01
US9032995B2 (en) 2015-05-19
WO2012025095A3 (fr) 2013-03-07

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