EP1081438A2 - Double tube system as tube in tube for constructing a sanitary water distributing- and circulating system together with sanitary water heating installations - Google Patents

Double tube system as tube in tube for constructing a sanitary water distributing- and circulating system together with sanitary water heating installations Download PDF

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Publication number
EP1081438A2
EP1081438A2 EP00118364A EP00118364A EP1081438A2 EP 1081438 A2 EP1081438 A2 EP 1081438A2 EP 00118364 A EP00118364 A EP 00118364A EP 00118364 A EP00118364 A EP 00118364A EP 1081438 A2 EP1081438 A2 EP 1081438A2
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EP
European Patent Office
Prior art keywords
double
pipe
double pipe
tube
circulation
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Application number
EP00118364A
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German (de)
French (fr)
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EP1081438A3 (en
Inventor
Ulrich Petzolt
Reinhard Henze
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Gebr Kemper GmbH and Co KG
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Gebr Kemper GmbH and Co KG
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Application filed by Gebr Kemper GmbH and Co KG filed Critical Gebr Kemper GmbH and Co KG
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    • 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
    • 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

Definitions

  • the invention relates to a double pipe system as a pipe in a pipe to create distribution and circulation systems for Drinking water in connection with drinking water heating systems, with consisting of an inner tube and an outer tube Double pipes, branch fittings in the double pipe system, Connection fittings for fittings and branch fittings for Threading out the inner tube from a double tube system (DE 35 42 374 A1).
  • the invention has for its object the generic Double pipe system with a view to an optimal operation of with this pipe system distribution and To improve circulation systems for drinking water.
  • Double pipes 1 consisting of an inner pipe 2 and an outer pipe 3 exist, branch fittings 4 for the double pipes 1, Connection fittings 5 for fittings 6, branch fittings 7 for Threading the inner tube 2 out of an outer tube 3 Double pipe 1 and circulation regulating units 8.
  • the inner tube 2 of the double tubes 1 consists of a flexible material, preferably plastic, and the outer tube 3 of the double tubes 1 is e.g. made of metal.
  • a cold drinking water passes through a Cold water supply line 11 in a drinking water heater 10 with Gas, oil, district heating or electricity is operated.
  • the warm water flows through the hot water outlet 12 of the drinking water heater 10, which is installed in the basement 13 of the apartment building 9 and a short connecting pipe 14 into a double pipe string 15, which via a branch fitting 7 shown in FIG Connection tube 14 is connected.
  • the outer pipe string 15a of the double pipe string 15 forms the supply line 16 for the hot drinking water in Line systems on the ground floor 17 and e.g. in three floors 18-20 of the apartment building 9 is distributed.
  • the inner one Pipe string 15b of the double pipe string 15 forms one Circulation manifold 21 for circulation circuits on the different floors 17-20 of the apartment building 9 circulated warm drinking water.
  • the inner one forming the circulation manifold 21 Pipe string 15b is with the branch fitting 7 from the Double pipe string 15 is threaded out and is about a short Connecting pipe 22 to the hot water inlet 23 of the Drinking water heater 10 connected.
  • a circulation pump 24 is installed in the connecting pipe 22nd .
  • Circulation regulating units 8 for producing a hydraulic balancing in the parallel riser strings 25, 26 and the parallel floor distribution lines 27 with the Connections for the different taps 28 connected.
  • the circulation regulating units 8 have a Double pipe end fitting 31, the between the inner pipe jacket 2a and outer tube shell 3a formed, the end of one Flow channel 32 representing hot water line 29 at the end 25c, 26c, 27c of the respective double pipe string 25, 26, 27 is closed, further a connecting tube 33 between the Outer tube 3 and the entry to a circulation line 30 forming inner tube 2 of the double tube end fitting 31 and an in the connecting pipe 33 built-in regulating valve 34.
  • Das Connecting pipe 33 is connected to the by means of a pipe coupling 35 Inner pipe 2 of the double pipe end fitting 31 connected.
  • the circulation regulating unit 8 is in one at any time accessible revision housing 36 installed.
  • the circulation pump 24 pumps warm water from the Drinking water heater 10 through the connecting pipe 14, the outer Pipe string 15a of the double-jacketed pipe string 15 in the basement 13 of the apartment building 9, the outer pipe strands 25a, 26a of the Riser pipe strands 25, 26 and the outer pipe strands 27a of the Floor distribution lines 27 in the individual floors 17-20 to the various taps 28 and from there through the Circulation regulating units 8, the inner tubing 27b of the Floor distribution strands 27, the inner pipe strands 25b, 26b the riser strings 25, 26, the inner tubing 15b of the Double pipe string 15, the connecting pipe 22 and the Hot water inlet 23 back into the drinking water heater 10.
  • the drinking water volume flows in such a way regulated that at the individual taps 28 in the different floors 17-20 of apartment building 9, especially at the taps from the circulation pump 24 furthest away, a sufficient amount at all times on warm drinking water with an almost constant temperature of ⁇ 60 ° C is available.
  • Fig. 4 shows a piping system for warm drinking water, at which in contrast to the system according to FIG. 1 Hot water supply line 16 and the Circulation manifold 21 in the basement 13 of the Apartment building 9 are laid separately.
  • the above-described double pipe systems for warm Drinking water can temporarily with a hot water temperature ⁇ ⁇ 70 ° C for the purpose of thermal disinfection.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Domestic Hot-Water Supply Systems And Details Of Heating Systems (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
  • Domestic Plumbing Installations (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)

Abstract

The system has dual pipes with inner and outer pipes, branch fittings for the dual system, connector fittings for taps and branch fittings for the middle pipe. Circulation regulating units (8) that produce a hydraulic balance of parallel dual pipe runs (25-27) have connections for one or several tapping points (28).

Description

Die Erfindung betrifft ein Doppelrohrsystem als Rohr im Rohr zum Erstellen von Verteil- und Zirkulationssystemen für Trinkwasser in Verbindung mit Trinkwassererwärmungsanlagen, mit aus einem Innenrohr und einem Außenrohr bestehenden Doppelrohren, Abzweigfittings im Doppelrohrsystem, Anschlußfittings für Armaturen sowie Abzweigfittings zum Ausfädeln des Innenrohres aus einem Doppelrohrsystem (DE 35 42 374 A1).The invention relates to a double pipe system as a pipe in a pipe to create distribution and circulation systems for Drinking water in connection with drinking water heating systems, with consisting of an inner tube and an outer tube Double pipes, branch fittings in the double pipe system, Connection fittings for fittings and branch fittings for Threading out the inner tube from a double tube system (DE 35 42 374 A1).

Im Sanitärbereich von modernen Ein- und Mehrfamilienhäusern sowie Großbauten werden Trinkwassererwärmungsanlagen mit Zirkulationskreisläufen verlegt, die gewährleisten sollen, daß an den verschiedenen Zapfstellen jederzeit warmes Trinkwasser mit einer bestimmten Temperatur zur Verfügung steht, um auf diese Weise eine Einsparung von Wasser und Energie zu erreichen, die Hygieneanforderungen zu erfüllen und gleichzeitig einen gewissen Benutzungskomfort zu bieten.In the sanitary area of modern single and multi-family houses as well as large buildings are drinking water heating systems Circulation circuits laid to ensure that Warm drinking water at all times at the various taps is available at a certain temperature in this way to save water and energy, to meet the hygiene requirements and at the same time to offer certain ease of use.

Ein weiterer Grund für die Verlegung von Zirkulationskreisläufen ist die Bildung und Vermehrung von Legionellen in warmem Wasser innerhalb eines bestimmten Temperaturbereiches. Legionellen können bei Menschen Lungenerkrankungen verursachen, die wie ein grippaler Effekt mit Fieber, dem sogenannten "Pontiac-Fieber", verlaufen können. Durch das ständige Umwälzen des warmen Wassers in einem an einen Trinkwassererwärmer angeschlossenen Zirkulationskreislauf wird angestrebt, die Warmwassertemperatur auf einem Temperaturniveau von ≤ 60° C zu halten, um eine Bildung und Vermehrung von Legionellen zu verhindern.Another reason for laying Circulation cycles is the formation and multiplication of Legionella in warm water within a certain period Temperature range. Legionella can affect humans Cause lung diseases that have like a flu effect Fever, the so-called "Pontiac fever", can run. By constantly circulating the warm water in one to one DHW heater connected circulation circuit aspired to the hot water temperature at a temperature level of ≤ 60 ° C in order to form and multiply To prevent legionella.

Der Erfindung liegt die Aufgabe zugrunde, das gattungsgemäße Doppelrohrsystem im Hinblick auf eine optimale Betriebsweise von mit diesem Rohrsystem zu erstellenden Verteil- und Zirkulationssystemen für Trinkwasser zu verbessern.The invention has for its object the generic Double pipe system with a view to an optimal operation of with this pipe system distribution and To improve circulation systems for drinking water.

Diese Aufgabe ist erfindungsgemäß gelöst durch ein Doppelrohrsystem mit den Merkmalen des Patentanspruchs 1.This object is achieved by a Double pipe system with the features of claim 1.

Die Unteransprüche beinhalten vorteilhafte und zweckmäßige Weiterbildungen der Erfindung.The sub-claims contain advantageous and expedient Developments of the invention.

Das erfindungsgemäße Doppelrohrsystem ist nachstehend anhand schematischer Zeichnungsfiguren erläutert, die im einzelnen folgendes darstellen:

Fig. 1
das Schema eines Trinkwasserversorgungssystems einschließlich eines Zirkulationssystems für ein Mehrfamilienhaus,
Fig. 2
ein Abzweigfitting zum Ausfädeln der innen liegenden Zirkulationsleitung aus einem Versorgungsstrang in Doppelrohrausführung für warmes Trinkwasser,
Fig. 3
eine Zirkulationsreguliereinheit und die
Fign. 4 und 5
das Anlagenschema von zwei weiteren gegenüber der Anlage nach Fig. 1 abgeänderten Versorgungssystemen mit Zirkulationssystem für warmes Trinkwasser.
The double pipe system according to the invention is explained below with the aid of schematic drawing figures, which represent the following in detail:
Fig. 1
the diagram of a drinking water supply system including a circulation system for an apartment building,
Fig. 2
a branch fitting for pulling out the internal circulation line from a supply line in double pipe design for warm drinking water,
Fig. 3
a circulation regulating unit and the
Fig. 4 and 5
the system diagram of two other compared to the system of FIG. 1 modified supply systems with a circulation system for warm drinking water.

Hauptbauelemente des Doppelrohrsystems zum Erstellen von Trinkwassererwärmungsanlagen nach den Fign. 1, 4 und 5 sind Doppelrohre 1, die aus einem Innenrohr 2 und einem Außenrohr 3 bestehen, Abzweigfittings 4 für die Doppelrohre 1, Anschlußfittings 5 für Armaturen 6, Abzweigfittings 7 zum Ausfädeln des Innenrohres 2 aus einem Außenrohr 3 eines Doppelrohres 1 sowie Zirkulationsreguliereinheiten 8.Main components of the double pipe system for creating Drinking water heating systems according to FIGS. 1, 4 and 5 are Double pipes 1 consisting of an inner pipe 2 and an outer pipe 3 exist, branch fittings 4 for the double pipes 1, Connection fittings 5 for fittings 6, branch fittings 7 for Threading the inner tube 2 out of an outer tube 3 Double pipe 1 and circulation regulating units 8.

Das Innenrohr 2 der Doppelrohre 1 besteht aus einem flexiblen Werkstoff, vorzugsweise Kunststoff, und das Außenrohr 3 der Doppelrohre 1 ist z.B. aus Metall hergestellt.The inner tube 2 of the double tubes 1 consists of a flexible material, preferably plastic, and the outer tube 3 of the double tubes 1 is e.g. made of metal.

In dem Rohrleitungssystem für warmes Trinkwasser nach Fig. 1 für ein Mehrfamilienhaus 9 gelangt kaltes Trinkwasser über eine Kaltwasserzuleitung 11 in einen Trinkwassererwärmer 10, der mit Gas, Öl, Fernwärme oder Strom betrieben wird. Das warme Wasser fließt durch den Warmwasseraustritt 12 des Trinkwassererwärmers 10, der im Untergeschoß 13 des Mehrfamilienhauses 9 aufgestellt ist, und ein kurzes Verbindungsrohr 14 in einen Doppelrohrstrang 15, der über ein in Fig. 2 dargestelltes Abzweigfitting 7 an das Verbindungsrohr 14 angeschlossen ist.In the piping system for warm drinking water according to Fig. 1 for a multi-family house 9, cold drinking water passes through a Cold water supply line 11 in a drinking water heater 10 with Gas, oil, district heating or electricity is operated. The warm water flows through the hot water outlet 12 of the drinking water heater 10, which is installed in the basement 13 of the apartment building 9 and a short connecting pipe 14 into a double pipe string 15, which via a branch fitting 7 shown in FIG Connection tube 14 is connected.

Der äußere Rohrstrang 15a des Doppelrohrstrangs 15 bildet die Versorgungsleitung 16 für das warme Trinkwasser, das in Leitungssysteme im Erdgeschoß 17 und z.B. in drei Stockwerken 18-20 des Mehrfamilienhauses 9 verteilt wird. Der innere Rohrstrang 15b des Doppelrohrstrangs 15 bildet eine Zirkulationssammelleitung 21 für das in Zirkulationskreisläufen in den verschiedenen Stockwerken 17-20 des Mehrfamilienhauses 9 umgewälzte warme Trinkwasser.The outer pipe string 15a of the double pipe string 15 forms the supply line 16 for the hot drinking water in Line systems on the ground floor 17 and e.g. in three floors 18-20 of the apartment building 9 is distributed. The inner one Pipe string 15b of the double pipe string 15 forms one Circulation manifold 21 for circulation circuits on the different floors 17-20 of the apartment building 9 circulated warm drinking water.

Der die Zirkulationssammelleitung 21 bildende innere Rohrstrang 15b wird mit dem Abzweigfitting 7 aus dem Doppelrohrstrang 15 ausgefädelt und ist über ein kurzes Verbindungsrohr 22 an den Warmwassereintritt 23 des Trinkwassererwärmers 10 angeschlossen. In das Verbindungsrohr 22 ist eine Zirkulationspumpe 24 eingebaut.The inner one forming the circulation manifold 21 Pipe string 15b is with the branch fitting 7 from the Double pipe string 15 is threaded out and is about a short Connecting pipe 22 to the hot water inlet 23 of the Drinking water heater 10 connected. In the connecting pipe 22nd a circulation pump 24 is installed.

An den Doppelrohrstrang 15 im Untergeschoß 13 des Mehrfamilienhauses 9 sind über Abzweigfittings 4 zwei als Doppelrohrstränge ausgebildete Steigrohrstränge 25, 26 angeschlossen, von denen über Abzweigfittings 4 als Doppelrohrstränge ausgebildete Stockwerkverteilstränge 27 in den verschiedenen Stockwerken 17-20 des Mehrfamilienhauses 9 abzweigen. An den äußeren Rohrstrang 27a der verschiedenen Stockwerkverteilstränge 27 sind über Anschlußfittings 5 Zapfstellen 28 für sanitäre Einrichtungen angeschlossen.To the double pipe string 15 in the basement 13 of the Apartment building 9 are two branch fittings 4 as Double-pipe strands 25, 26 connected, of which via branch fittings 4 as Double pipe strands trained floor distribution strands 27 in the different floors 17-20 of the apartment building 9 branch off. On the outer tubing 27a of the various Floor distribution lines 27 are via connection fittings 5 Tap 28 connected for sanitary facilities.

An die Enden 25c, 26c der Steigrohrstränge 25, 26 und die Enden 27c der verschiedenen Stockwerkverteilstränge 27 sind Zirkulationsreguliereinheiten 8 zur Herstellung eines hydraulischen Abgleichs in den parallelen Steigrohrsträngen 25, 26 und den parallelen Stockwerkverteilsträngen 27 mit den Anschlüssen für die verschiedenen Zapfstellen 28 angeschlossen.At the ends 25c, 26c of the riser strands 25, 26 and Ends 27c of the different floor distribution lines 27 are Circulation regulating units 8 for producing a hydraulic balancing in the parallel riser strings 25, 26 and the parallel floor distribution lines 27 with the Connections for the different taps 28 connected.

In dem Rohrleitungssystem für warmes Trinkwasser bilden die äußeren Rohrstränge 15a, 25a, 26a, 27a des Doppelrohrstranges 15 im Untergeschoß 13, der Steigrohrstränge 25, 26 und der Stockwerkverteilstränge 27 in den verschiedenen Stockwerken 17-20 die Warmwasserleitung 29 und die inneren Rohrstränge 15b, 25b, 26b, 27b des Doppelrohrstrangs 15, der Steigrohrstränge 25, 26 und der Stockwerkverteilstränge 27 die Zirkulationsleitung 30 (Rücklauf) der verschiedenen Zirkulationskreisläufe des Rohrleitungssystems für warmes Trinkwasser. They form in the piping system for warm drinking water outer pipe strings 15a, 25a, 26a, 27a of the double pipe string 15 in the basement 13, the riser strands 25, 26 and Floor distribution lines 27 in the different floors 17-20 the hot water pipe 29 and the inner pipe strings 15b, 25b, 26b, 27b of the double pipe string 15, the riser pipe strands 25, 26 and the floor distribution lines 27 the circulation line 30 (Return) of the various circulation circuits of the Piping system for warm drinking water.

Die Zirkulationsreguliereinheiten 8 gemäß Fig. 3 weisen ein Doppelrohrendfitting 31 auf, dessen zwischen Innenrohrmantel 2a und Außenrohrmantel 3a gebildeter, das Ende einer Warmwasserleitung 29 darstellender Strömungskanal 32 am Ende 25c, 26c, 27c des jeweiligen Doppelrohrstranges 25, 26, 27 geschlossen ist, ferner ein Verbindungsrohr 33 zwischen dem Außenrohr 3 und dem den Eintritt zu einer Zirkulationsleitung 30 bildenden Innenrohr 2 des Doppelrohrendfittings 31 sowie ein in das Verbindungsrohr 33 eingebautes Regulierventil 34. Das Verbindungsrohr 33 ist mittels einer Rohrkupplung 35 an das Innenrohr 2 des Doppelrohrendfittings 31 angeschlossen.The circulation regulating units 8 according to FIG. 3 have a Double pipe end fitting 31, the between the inner pipe jacket 2a and outer tube shell 3a formed, the end of one Flow channel 32 representing hot water line 29 at the end 25c, 26c, 27c of the respective double pipe string 25, 26, 27 is closed, further a connecting tube 33 between the Outer tube 3 and the entry to a circulation line 30 forming inner tube 2 of the double tube end fitting 31 and an in the connecting pipe 33 built-in regulating valve 34. Das Connecting pipe 33 is connected to the by means of a pipe coupling 35 Inner pipe 2 of the double pipe end fitting 31 connected.

Die Zirkulationsreguliereinheit 8 ist in ein jederzeit erreichbares Revisionsgehäuse 36 eingebaut.The circulation regulating unit 8 is in one at any time accessible revision housing 36 installed.

Die Zirkulationspumpe 24 fördert warmes Wasser aus dem Trinkwassererwärmer 10 durch das Verbindungsrohr 14, den äußeren Rohrstrang 15a des Doppelmantelrohrstrangs 15 im Untergeschoß 13 des Mehrfamilienhauses 9, die äußeren Rohrstränge 25a, 26a der Steigrohrstränge 25, 26 und die äußeren Rohrstränge 27a der Stockwerksverteilstränge 27 in den einzelnen Stockwerken 17-20 zu den verschiedenen Zapfstellen 28 und von dort durch die Zirkulationsreguliereinheiten 8, die inneren Rohrstränge 27b der Stockwerksverteilstränge 27, die inneren Rohrstränge 25b, 26b der Steigrohrstränge 25, 26, den inneren Rohrstrang 15b des Doppelrohrstrangs 15, das Verbindungsrohr 22 und den Warmwassereintritt 23 in den Trinkwassererwärmer 10 zurück.The circulation pump 24 pumps warm water from the Drinking water heater 10 through the connecting pipe 14, the outer Pipe string 15a of the double-jacketed pipe string 15 in the basement 13 of the apartment building 9, the outer pipe strands 25a, 26a of the Riser pipe strands 25, 26 and the outer pipe strands 27a of the Floor distribution lines 27 in the individual floors 17-20 to the various taps 28 and from there through the Circulation regulating units 8, the inner tubing 27b of the Floor distribution strands 27, the inner pipe strands 25b, 26b the riser strings 25, 26, the inner tubing 15b of the Double pipe string 15, the connecting pipe 22 and the Hot water inlet 23 back into the drinking water heater 10.

Mit Hilfe der Zirkulationsreguliereinheiten 8 werden in den verschiedenen Zirkulationskreisläufen der Trinkwassererwärmungsanlage die Trinkwasservolumenströme derart geregelt, daß an den einzelnen Zapfstellen 28 in den verschiedenen Stockwerken 17-20 des Mehrfamilienhauses 9, insbesondere an den Zapfstellen, die von der Zirkulationspumpe 24 am weitesten entfernt sind, jederzeit eine ausreichende Menge an warmem Trinkwasser mit einer nahezu konstanten Temperatur von ≤ 60° C zur Verfügung steht.With the help of the circulation regulating units 8 different circulation cycles of the Drinking water heating system the drinking water volume flows in such a way regulated that at the individual taps 28 in the different floors 17-20 of apartment building 9, especially at the taps from the circulation pump 24 furthest away, a sufficient amount at all times on warm drinking water with an almost constant temperature of ≤ 60 ° C is available.

Fig. 4 zeigt ein Leitungssystem für warmes Trinkwasser, bei dem im Unterschied zu dem System nach Fig. 1 die Warmwasserversorgungsleitung 16 und die Zirkulationssammelleitung 21 im Untergeschoß 13 des Mehrfamilienhauses 9 getrennt verlegt sind.Fig. 4 shows a piping system for warm drinking water, at which in contrast to the system according to FIG. 1 Hot water supply line 16 and the Circulation manifold 21 in the basement 13 of the Apartment building 9 are laid separately.

In dem Leitungssystem für warmes Trinkwasser nach Fig. 5 sind lediglich die Steigrohrstränge 25, 26 als Doppelrohre zur Aufnahme eines Abschnitts der Warmwasserleitung 29 und eines Abschnitts der Zirkulationsleitung 30 ausgebildet.In the pipe system for warm drinking water according to FIG. 5 are only the riser strands 25, 26 as double pipes Inclusion of a portion of the hot water pipe 29 and one Section of the circulation line 30 is formed.

Die vorbeschriebenen Doppelrohrsysteme für warmes Trinkwasser können kurzzeitig mit einer Warmwassertemperatur ≥ ≥ 70° C zum Zweck der thermischen Desinfektion betrieben werden.The above-described double pipe systems for warm Drinking water can temporarily with a hot water temperature ≥ ≥ 70 ° C for the purpose of thermal disinfection.

Claims (7)

Doppelrohrsystem als Rohr im Rohr zum Erstellen von Verteil- und Zirkulationssystemen für Trinkwasser in Verbindung mit Trinkwassererwärmungsanlagen, mit aus einem Innenrohr und einem Außenrohr bestehenden Doppelrohren, Abzweigfittings im Doppelrohrsystem, Anschlußfittings für Armaturen sowie Abzweigfittings zum Ausfädeln des Innenrohres aus einem Doppelrohrsystem, gekennzeichnet durch am Ende (25c, 26c, 27c) von Doppelrohrsträngen (Steigrohrstrang 25, 26, Stockwerkverteilstrang 27) mit einer durch die äußeren Rohrstränge (25a, 26a, 27a) geführten Warmwasserleitung (29) und einer durch die inneren Rohrstränge (25b, 26b, 27b) geführten Zirkulationsleitung (30) anschließbare Zirkulationsreguliereinheiten (8) zur Herstellung eines hydraulischen Abgleichs von parallel verlegten Doppelrohrsträngen (25, 26, 27) mit Anschlüssen für eine oder mehrere Zapfstellen (28).Double pipe system as a pipe in the pipe to create Distribution and circulation systems for drinking water in connection with drinking water heating systems, with an inner tube and an outer pipe existing double pipes, branch fittings in Double pipe system, connection fittings for fittings and Branch fittings for pulling out the inner tube from one Double pipe system, characterized by at the end (25c, 26c, 27c) of double pipe strings (riser pipe strands 25, 26, Floor distribution line 27) with one through the outer Pipe strings (25a, 26a, 27a) guided hot water pipe (29) and one through the inner tubing strings (25b, 26b, 27b) Circulation line (30) connectable Circulation regulating units (8) for producing a hydraulic balancing of parallel laid Double pipe strings (25, 26, 27) with connections for one or several taps (28). Doppelrohrsystem nach Anspruch 1, dadurch gekennzeichnet, daß die Zirkulationsreguliereinheiten (8) ein Doppelrohrendfitting (31) aufweisen, dessen zwischen Innenrohrmantel (2a) und Außenrohrmantel (3a) gebildeter, das Ende einer Warmwasserleitung (29) darstellender Strömungskanal (32) am Ende (25c, 26c, 27c) des jeweiligen Doppelrohrstranges (25, 26, 27) geschlossen ist, ferner ein Verbindungsrohr (33) zwischen dem Außenrohr (3) und dem den Eintritt zu einer Zirkulationsleitung (30) bildenden Innenrohr (2) des Doppelrohrendfittings (31) sowie ein in das Verbindungsrohr (33) eingebautes Regulierventil (34). Double pipe system according to claim 1, characterized in that the circulation regulating units (8) Have double pipe end fitting (31), the between Inner tube jacket (2a) and outer tube jacket (3a) formed, the End of a hot water pipe (29) representing flow channel (32) at the end (25c, 26c, 27c) of the respective double pipe string (25, 26, 27) is closed, furthermore a connecting tube (33) between the outer tube (3) and the entrance to one Circulation line (30) forming the inner tube (2) of the Double pipe end fittings (31) and one in the connecting pipe (33) built-in regulating valve (34). Doppelrohrsystem nach Anspruch 1 und 2, gekennzeichnet durch ein Revisionsgehäuse (36) zur Aufnahme einer Zirkulationsreguliereinheit (8).Double pipe system according to claim 1 and 2, characterized through a revision housing (36) for receiving a Circulation regulation unit (8). Doppelrohrsystem nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß das Innenrohr (2) der Doppelrohre (1) aus einem flexiblen Werkstoff besteht.Double pipe system according to one of claims 1 to 3, characterized in that the inner tube (2) of the double tubes (1) consists of a flexible material. Doppelrohrsystem nach Anspruch 4, dadurch gekennzeichnet, daß das Innenrohr (2) der Doppelrohre (1) aus Kunststoff hergestellt ist.Double pipe system according to claim 4, characterized in that the inner tube (2) of the double tubes (1) made of plastic is made. Doppelrohrsystem nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß das Außenrohr (3) der Doppelrohre (1) aus Metall besteht.Double pipe system according to one of claims 1 to 5, characterized in that the outer tube (3) of the double tubes (1) is made of metal. Doppelrohrsystem nach einem der Ansprüche 1 bis 6, gekennzeichnet durch eine kurzzeitige Betriebsmöglichkeit mit einer Warmwassertemperatur ≥ 70° C zur thermischen Desinfektion.Double pipe system according to one of claims 1 to 6, characterized by a short-term operation with a hot water temperature ≥ 70 ° C for thermal disinfection.
EP00118364A 1999-08-31 2000-08-24 Double tube system as tube in tube for constructing a sanitary water distributing- and circulating system together with sanitary water heating installations Withdrawn EP1081438A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19941285 1999-08-31
DE1999141285 DE19941285C2 (en) 1999-08-31 1999-08-31 Double pipe system as a pipe in a pipe for creating distribution and circulation systems for drinking water in connection with drinking water heating systems

Publications (2)

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EP1081438A2 true EP1081438A2 (en) 2001-03-07
EP1081438A3 EP1081438A3 (en) 2002-12-11

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EP00118364A Withdrawn EP1081438A3 (en) 1999-08-31 2000-08-24 Double tube system as tube in tube for constructing a sanitary water distributing- and circulating system together with sanitary water heating installations

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EP (1) EP1081438A3 (en)
DE (1) DE19941285C2 (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2098645A1 (en) * 2008-03-04 2009-09-09 Gebr. Kemper GmbH + Co. KG Metallwerke Drinking and domestic water system
EP2385316A1 (en) * 2010-05-08 2011-11-09 CEC-System SA Recirculation conduit for recirculating a fluid in a conduit system and method for providing a recirculation conduit
EP3742057A1 (en) * 2019-05-21 2020-11-25 Georg Fischer JRG AG Heat recovery
CN112128842A (en) * 2020-09-30 2020-12-25 辽宁工程技术大学 Method for quickly adjusting hydraulic balance of heat supply pipe network
US10900669B2 (en) 2016-02-02 2021-01-26 Equitherm Limited Water systems
GB2586859A (en) * 2019-09-06 2021-03-10 Water Kinetics Ltd Circulating water supply systems

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3542374A1 (en) 1985-11-07 1987-05-21 Gerd Fehlings Water pipe for hot service water

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT367535B (en) * 1979-09-17 1982-07-12 Stadlhofer Peter DEVICE FOR CIRCULATING HOT WATER IN PIPELINES
FI104004B (en) * 1997-06-16 1999-10-29 Pexep Oy Method and apparatus for circulating water in piping
DE19755293B4 (en) * 1997-12-12 2006-07-27 Johann Schillinger Hot water supply and circulation system

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3542374A1 (en) 1985-11-07 1987-05-21 Gerd Fehlings Water pipe for hot service water

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2098645A1 (en) * 2008-03-04 2009-09-09 Gebr. Kemper GmbH + Co. KG Metallwerke Drinking and domestic water system
EP2385316A1 (en) * 2010-05-08 2011-11-09 CEC-System SA Recirculation conduit for recirculating a fluid in a conduit system and method for providing a recirculation conduit
US10900669B2 (en) 2016-02-02 2021-01-26 Equitherm Limited Water systems
EP3742057A1 (en) * 2019-05-21 2020-11-25 Georg Fischer JRG AG Heat recovery
GB2586859A (en) * 2019-09-06 2021-03-10 Water Kinetics Ltd Circulating water supply systems
WO2021043987A1 (en) * 2019-09-06 2021-03-11 Water-Kinetics Limited Circulating water supply systems
CN112128842A (en) * 2020-09-30 2020-12-25 辽宁工程技术大学 Method for quickly adjusting hydraulic balance of heat supply pipe network

Also Published As

Publication number Publication date
DE19941285C2 (en) 2002-12-19
EP1081438A3 (en) 2002-12-11
DE19941285A1 (en) 2001-03-08

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