EP1892480A1 - chauffe eau pour des liquides, utilisation dudit chauffe-eau et circuit hydraulique - Google Patents

chauffe eau pour des liquides, utilisation dudit chauffe-eau et circuit hydraulique Download PDF

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Publication number
EP1892480A1
EP1892480A1 EP06017454A EP06017454A EP1892480A1 EP 1892480 A1 EP1892480 A1 EP 1892480A1 EP 06017454 A EP06017454 A EP 06017454A EP 06017454 A EP06017454 A EP 06017454A EP 1892480 A1 EP1892480 A1 EP 1892480A1
Authority
EP
European Patent Office
Prior art keywords
heat exchanger
tube
coaxial
liquid
storage container
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
EP06017454A
Other languages
German (de)
English (en)
Other versions
EP1892480B1 (fr
Inventor
Georg Lechner
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.)
Sun-Systems GmbH
Original Assignee
Sun-Systems GmbH
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
Application filed by Sun-Systems GmbH filed Critical Sun-Systems GmbH
Priority to PL06017454T priority Critical patent/PL1892480T3/pl
Priority to EP06017454A priority patent/EP1892480B1/fr
Priority to DE502006008389T priority patent/DE502006008389D1/de
Priority to AT06017454T priority patent/ATE489587T1/de
Publication of EP1892480A1 publication Critical patent/EP1892480A1/fr
Application granted granted Critical
Publication of EP1892480B1 publication Critical patent/EP1892480B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • F24D3/00—Hot-water central heating systems
    • F24D3/08—Hot-water central heating systems in combination with systems for domestic hot-water supply
    • F24D3/087—Tap water heat exchangers specially adapted therefore
    • 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
    • F24D11/00—Central heating systems using heat accumulated in storage masses
    • F24D11/002—Central heating systems using heat accumulated in storage masses water heating system
    • 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

Definitions

  • the invention relates to a continuous heater for a Nutz sometimeskeit with a storage container which receives a heat-emitting liquid.
  • Such continuous heaters are known.
  • the term means that the use liquid is heated by flowing inside through the tubes of a heat exchanger, which is heated from the outside.
  • the useful liquid is therefore not heated by the fact that a larger reservoir of the liquid is constantly heated.
  • a practical application for the continuous heater according to the invention is the provision of utility or service water in residential buildings.
  • the service water is needed there for the purposes of the household, the kitchen and in the bath for bathing or showering.
  • the special feature of domestic water abstraction is that at irregular intervals highly fluctuating amounts of hot water are to be taken.
  • the available amount of removable liquid is often insufficient.
  • FIG DE 41 42 488 A1 An example of a prior art continuous-flow heater is shown in FIG DE 41 42 488 A1 ,
  • the heating of the useful liquid is combined with the heating of the heating water.
  • the exhaust gases of a gas burner flow through a coiled tube, which is formed from a coaxial tube.
  • a storage container for the useful liquid is connected downstream of the coaxial tube heat exchanger.
  • This storage container is a working according to the displacement principle stratified storage; the useful liquid is conveyed by a charge pump in circulation through the coaxial heat exchanger and the stratified storage. The removal of the useful liquid takes place from the stratified storage.
  • FIG. 1 Another embodiment shows a continuous-flow heater according to the DE 198 07 657 C1 ,
  • a heat exchanger made of coiled tubes is arranged in a storage container.
  • the storage container is filled with water, which is heated by various means.
  • a built-in or adjacent boiler can serve.
  • a solar system or a heat pump can be used to heat the storage water.
  • No own storage is provided for the useful liquid.
  • the storage tank In order for the heat capacity of the storage water is sufficient to always heat a sufficient amount of liquid, the storage tank must be sufficiently large, and it must be possible to heat it up briefly strong.
  • a large-sized storage heater is used to hold the service or use liquid.
  • a heat exchanger made of coiled pipes is also installed in the storage container.
  • the tubes are arranged in the manner of a cylindrical thread.
  • a first section of the heat exchanger is provided with coaxial tubes, wherein an inner tube is arranged in an outer tube.
  • an inner tube enters the cold liquid and enters the inside of the storage container at the end of the inner tube.
  • a heat-emitting liquid is performed, which initially fills the entire cross-section of the outer tube and is then guided in the annular space between the outer and inner tube.
  • the heat-emitting liquid flows in countercurrent to the use liquid.
  • the incoming heat-emitting liquid thus first heats the already in the storage container used useful liquid and then in heat exchange with the inner tube of the coaxial also directly the incoming cold liquid.
  • the heat-releasing liquid becomes thereby already well utilized; but it is still a very large storage tank for the liquid used required.
  • the invention has for its object to provide a continuous flow heater for a Nutz gallkeit with a storage container which receives a heat-emitting liquid, which can be dispensed by improving the heat transfer to a storage for the Nutz alloykeit.
  • a continuous flow heater for a Nutz specialkeit with a storage container which receives a heat-releasing liquid, and with a Koaxialrohr heat exchanger, which is arranged in the storage container and consists of a coiled outer tube and an inner tube located therein, wherein the inner tube is flowed through by the same heat-emitting liquid contained in the storage container, while the ring cross-section between the inner and outer tube is flowed through by the Nutzenberg deviskeit and the inner and outer tube after liquid management and connections are completely separated.
  • the useful liquid flowing through the coaxial-tube heat exchanger is simultaneously heated from the inside and from the outside.
  • the heating from inside is done by the heat-emitting liquid flowing through the inner tube of the coaxial tube.
  • the heating from the outside is carried out by the heat-releasing liquid in the storage container.
  • the heat transfer can make very cheap, and also the storage container for the heat-emitting liquid must not be excessively large.
  • the embodiment of the invention also has the advantage that not a storage container for the useful liquid (service water), in which the liquid is more often, must be kept clean and germ-free, but only the annulus of the coaxial heat exchanger, which is easier to accomplish with the usual technical and chemical means.
  • Claim 11 is directed to a use of the continuous heater according to the invention for the hygienic heating of domestic water in buildings.
  • the claims 12 to 14 relate to a hydraulic circuit of a heater for a Nutz problemkeit, wherein by a prior art according to the DE 38 27 585 C2 is assumed.
  • the hydraulic circuit of a heater for a Nutz solidkeit which is heated by a heat-emitting liquid
  • Figure 1 shows the continuous heater according to the invention in a longitudinal section. It consists of a storage container 1, which is shown in the embodiment chosen here as a standing container with a vertical longitudinal axis.
  • the storage container 1 can be designed as a pressureless or pressure-resistant container and have a divided or closed insulation 17.
  • the coaxial tube heat exchanger 2 In the storage container 1, various heat exchangers are housed. In its upper part is the coaxial heat exchanger 2. It extends only over part of the height of the storage container 1 down, in the illustrated embodiment, up to the section line AA.
  • the coaxial tube heat exchanger 2 consists of coiled tubes. In the exemplary embodiment, a spiraling in the manner of a cylindrical screw thread, as in a coil spring shown. However, the coaxial tube heat exchanger 2 could also be spiral-shaped or spiral-shaped (as in a conical spring).
  • the coiled tubes of the coaxial tube heat exchanger 2 are formed as coaxial tubes, as a cross section through a single tube according to the figure 2 shows. There is an inner tube 3 in an outer tube 4, wherein between the inner tube 3 and the outer tube 4, a ring cross-section 6 is formed.
  • the solid cross section of the Inner tube 3 is designated by the reference numeral 5.
  • Inner and outer tubes 3, 4 may be rigid or flexible.
  • the inner tube 3 and the outer tube 4 are guided completely separated after liquid management and connections.
  • an upper T-piece 7 and two lower T-pieces 8a and 8b are provided.
  • the upper T-piece 7 is provided at the top of the storage container 1 and shown enlarged in Figure 3.
  • Figures 1 and 2 shows that the inner tube 3 is guided to a first switching valve 14a and the outer tube 4 via a second T-piece 7 to a second switching valve 14b.
  • the lower tees 8a and 8b are located at the lower end of the coaxial tube heat exchanger 2 and are shown enlarged in FIG. The continuing connections are also indicated in FIG.
  • the inner tube 3 of the coaxial tube heat exchanger 2 is thus sealed out through the first lower T-piece 8 a and the second lower T-piece 8 b. It is brought into contact with the interior of the storage container 1 at a location, not shown. However, it can also be fed directly to the interior of the storage container 1 via the first lower T-piece 8a.
  • the outer tube 4 of the coaxial tube heat exchanger 2 communicates via the two tees 8 a and 8 b with a circulation line 15, which is guided to the second switching valve 14 b, but is also in communication with a pump 16. From Figure 4 is not immediately apparent that at the first lower T-piece 8a and a downwardly leading opening is present; The first lower T-piece thus forms a spatial or double tee. About this additional opening, the outer tube 4 is connected to a normal pipe heat exchanger 9 in connection.
  • the useful liquid is fed via the connection 9a to the normal-tube heat exchanger 9 and arrives at the transition point at the first lower T-piece 8a in the annular cross-section 6 of the coaxial heat exchanger 2. It then flows as needed on the upper T-piece 7 and second switching valve 14b to the consumer.
  • the Nutzfiüsstechnik but can also be performed in the circulation through the circulation line 15.
  • the desired flow guidance can be adjusted automatically or manually in accordance with a second temperature sensor 19.
  • the two liquids can basically be conducted in countercurrent or direct current within the coaxial tube heat exchanger.
  • the preferred field of application of the described continuous-flow heater is the hygienic heating of domestic water in buildings. Therefore, as the working water is usually supplied cold water. This heats up as it flows through the normal-pipe heat exchanger 9, because it is acted upon from the outside by the heat-emitting liquid, which is located in the storage container 1. When flowing through the coaxial heat exchanger 2 is still the heating from the inside is added, because the located in the inner tube 3 heat-emitting liquid also heats the Nutztlerkeit.
  • the additional heat exchangers 10, 11, 12 can additionally heat the heat-releasing liquid present in the storage container 1, which acts on the normal-tube heat exchanger 9 and the coaxial-tube heat exchanger 2 from the outside.
  • These additional heat exchangers 10, 11, 12 can be arranged individually or together. They are particularly advantageous when additional heat sources such as solar registers or systems for heat recovery are available, which are independent of the heat source through which the heat-dissipating liquid supplied to the water heater has received its heat at the beginning.
  • the purpose of the described arrangement is the heating of industrial water. If there is a cooled liquid in the storage container 1 and the solid cross-section of the inner tube 3, a cooling effect naturally results for the use liquid.
  • the useful liquid is withdrawn as needed via the second switching valve 14b.
  • the outlet temperature is monitored via the second temperature sensor (measuring point) 19. If the outlet temperature is too high, the Useful liquid also be passed completely or as a partial flow through the circulation line 15 in the circuit through the coaxial heat exchanger.

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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)
  • Water Supply & Treatment (AREA)
  • Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
EP06017454A 2006-08-22 2006-08-22 Chauffe eau pour des liquides, utilisation dudit chauffe-eau et méthode de chauffage d'un fluide dans un tel circuit hydraulique Not-in-force EP1892480B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
PL06017454T PL1892480T3 (pl) 2006-08-22 2006-08-22 Grzejnik przepływowy na ciecz użytkową, zastosowanie grzejnika przepływowego i sposób ogrzewania cieczy użytkowej w takim układzie hydraulicznym
EP06017454A EP1892480B1 (fr) 2006-08-22 2006-08-22 Chauffe eau pour des liquides, utilisation dudit chauffe-eau et méthode de chauffage d'un fluide dans un tel circuit hydraulique
DE502006008389T DE502006008389D1 (de) 2006-08-22 2006-08-22 Durchlauf-Erhitzer für eine Nutzflüssigkeit, Verwendung des Durchlauf-Erhitzers und Verfahren zum Erhitzen einer Nutzflüssigkeit in einer solchen hydraulischen Schaltung
AT06017454T ATE489587T1 (de) 2006-08-22 2006-08-22 Durchlauf-erhitzer für eine nutzflüssigkeit, verwendung des durchlauf-erhitzers und verfahren zum erhitzen einer nutzflüssigkeit in einer solchen hydraulischen schaltung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP06017454A EP1892480B1 (fr) 2006-08-22 2006-08-22 Chauffe eau pour des liquides, utilisation dudit chauffe-eau et méthode de chauffage d'un fluide dans un tel circuit hydraulique

Publications (2)

Publication Number Publication Date
EP1892480A1 true EP1892480A1 (fr) 2008-02-27
EP1892480B1 EP1892480B1 (fr) 2010-11-24

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP06017454A Not-in-force EP1892480B1 (fr) 2006-08-22 2006-08-22 Chauffe eau pour des liquides, utilisation dudit chauffe-eau et méthode de chauffage d'un fluide dans un tel circuit hydraulique

Country Status (4)

Country Link
EP (1) EP1892480B1 (fr)
AT (1) ATE489587T1 (fr)
DE (1) DE502006008389D1 (fr)
PL (1) PL1892480T3 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011014641B4 (de) * 2010-03-26 2017-10-26 Jürgen Falkenstein In einen Wärmespeicher integrierte Wärmetauscher-Vorrichtung
CN110182020A (zh) * 2018-12-20 2019-08-30 杨新明 低能耗汽车用暖风系统

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1294730A (en) * 1969-10-24 1972-11-01 Ygnis Sa Heat exchanger and method of operation thereof
DE8705241U1 (de) * 1987-04-08 1988-08-11 Robionek, Hans-Joachim, 4650 Gelsenkirchen Brauchwasserspeichererhitzer
DE3827585A1 (de) * 1988-08-13 1990-02-15 Rehberg Gmbh Fa Brauchwasserspeichererhitzer
DE4142488A1 (de) * 1991-12-20 1993-07-01 Ruhrgas Ag Beheizungssystem zur kombinierten waermeerzeugung und eine heizungsanlage und einen speicherbehaelter fuer brauchwasser
DE29515195U1 (de) * 1995-09-22 1995-11-30 Stiebel Eltron GmbH & Co. KG, 37603 Holzminden Heißwasserbereiter
DE19807657C1 (de) * 1998-02-24 1999-07-01 Ivt Installations Und Verbindu Wärmespeicher
DE29922010U1 (de) * 1999-11-23 2000-03-23 Heatex B.V., Tynaarlo Anti-Legionella-Wärmeaustauscher und Zapfwasserwärmungsanlage mit einem derartigen Wärmetauscher
DE202004009559U1 (de) * 2004-06-16 2004-09-23 Dietz, Erwin Wärmetauscher
DE102005019856A1 (de) 2005-04-28 2006-11-16 Sun-Systems Gmbh Durchlauf-Erhitzer für eine Nutzflüssigkeit, Verwendung des Durchlauf-Erhitzers und hydraulische Schaltung

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1294730A (en) * 1969-10-24 1972-11-01 Ygnis Sa Heat exchanger and method of operation thereof
DE8705241U1 (de) * 1987-04-08 1988-08-11 Robionek, Hans-Joachim, 4650 Gelsenkirchen Brauchwasserspeichererhitzer
DE3827585A1 (de) * 1988-08-13 1990-02-15 Rehberg Gmbh Fa Brauchwasserspeichererhitzer
DE4142488A1 (de) * 1991-12-20 1993-07-01 Ruhrgas Ag Beheizungssystem zur kombinierten waermeerzeugung und eine heizungsanlage und einen speicherbehaelter fuer brauchwasser
DE29515195U1 (de) * 1995-09-22 1995-11-30 Stiebel Eltron GmbH & Co. KG, 37603 Holzminden Heißwasserbereiter
DE19807657C1 (de) * 1998-02-24 1999-07-01 Ivt Installations Und Verbindu Wärmespeicher
DE29922010U1 (de) * 1999-11-23 2000-03-23 Heatex B.V., Tynaarlo Anti-Legionella-Wärmeaustauscher und Zapfwasserwärmungsanlage mit einem derartigen Wärmetauscher
DE202004009559U1 (de) * 2004-06-16 2004-09-23 Dietz, Erwin Wärmetauscher
DE102005019856A1 (de) 2005-04-28 2006-11-16 Sun-Systems Gmbh Durchlauf-Erhitzer für eine Nutzflüssigkeit, Verwendung des Durchlauf-Erhitzers und hydraulische Schaltung

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011014641B4 (de) * 2010-03-26 2017-10-26 Jürgen Falkenstein In einen Wärmespeicher integrierte Wärmetauscher-Vorrichtung
CN110182020A (zh) * 2018-12-20 2019-08-30 杨新明 低能耗汽车用暖风系统

Also Published As

Publication number Publication date
ATE489587T1 (de) 2010-12-15
PL1892480T3 (pl) 2011-05-31
EP1892480B1 (fr) 2010-11-24
DE502006008389D1 (de) 2011-01-05

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