EP0819892B1 - Echangeur de chaleur pour la production d'eau sanitaire - Google Patents

Echangeur de chaleur pour la production d'eau sanitaire Download PDF

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Publication number
EP0819892B1
EP0819892B1 EP97111705A EP97111705A EP0819892B1 EP 0819892 B1 EP0819892 B1 EP 0819892B1 EP 97111705 A EP97111705 A EP 97111705A EP 97111705 A EP97111705 A EP 97111705A EP 0819892 B1 EP0819892 B1 EP 0819892B1
Authority
EP
European Patent Office
Prior art keywords
insert
heat exchanger
groove
container
heating water
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.)
Expired - Lifetime
Application number
EP97111705A
Other languages
German (de)
English (en)
Other versions
EP0819892A2 (fr
EP0819892A3 (fr
Inventor
Martin Dipl.-Phys. Schmidt
Karl-Heinz Mayr
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.)
Kme Verwaltungs- und Dienstleistungsgesellschaft M
Original Assignee
KME Schmoele 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 KME Schmoele GmbH filed Critical KME Schmoele GmbH
Publication of EP0819892A2 publication Critical patent/EP0819892A2/fr
Publication of EP0819892A3 publication Critical patent/EP0819892A3/fr
Application granted granted Critical
Publication of EP0819892B1 publication Critical patent/EP0819892B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D7/02—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being helically coiled
    • F28D7/024—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being helically coiled the conduits of only one medium being helically coiled tubes, the coils having a cylindrical configuration
    • 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
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D7/10—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged one within the other, e.g. concentrically
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/007—Auxiliary supports for elements
    • F28F9/013—Auxiliary supports for elements for tubes or tube-assemblies

Definitions

  • the invention relates to a heat exchanger for hot water preparation according to the features in the preamble of claim 1.
  • EP 0 178 351 B1 counts a heat exchanger for the provision of State-of-the-art industrial water.
  • a coiled tubing through which Process water is carried in a cylindrical container around an inner one Inserted, the pipe coil between the insert and the Container wall is introduced. The heating water flows through the tank. The heat energy is transferred through contact with the coiled tubing on the process water instead.
  • Another disadvantage is that the heating water from the entrance to the container Outlet flows through only in the same direction in the longitudinal direction.
  • the heat exchange can only take place during a comparatively short period of time.
  • US-A-2 146 141 discloses a heat exchanger for domestic water preparation, in which a coiled tubing for guiding industrial water in one Container arranged around a central insert and the container with heating water is acted upon.
  • the coiled tubing is in one of the circumferential sides of the insert running helical groove arranged in the heating water is led.
  • the problem with this heat exchanger is the sealing of the Use against the container. Especially with elongated containers close manufacturing tolerances must be observed so that the remaining gap not between the insert and the inner surface of the container becomes large and fluid flows through this gap into the adjacent groove can cross.
  • the invention is based on the object to create a heat exchanger that simplifies manufacturing technology and technically favorable a tight fit of the insert within the Guaranteed container.
  • the coiled tubing is in a helical shape running around the circumference of the insert Groove arranged. Heating water is led through the groove.
  • the Pipe coil is supported in the groove. This enables a very compact and stable construction of the heat exchanger.
  • the contact path between the exchange media Heating water and process water is in the invention Heat exchangers many times higher than those types where the heating water only moves the heat exchanger longitudinally from one end to the other flowed through others. Consequently, the contact time between the exchange media is also very high due to the design. Due to the intense heat transfer the length of the coiled tubing can be made significantly shorter. Accordingly is then also a substantial reduction in the diameter of the Pipe spiral possible. Practical comparisons have shown that the construction volume of the heat exchanger according to the invention with comparable performance a conventional heat exchanger reduced by about half can be.
  • the installation position of the heat exchanger according to the invention is independent of the direction of the hot water or heating water.
  • the heat exchanger can therefore both vertically and horizontally with respect to its longitudinal axis to be ordered.
  • the groove is formed on the outer circumference of the insert.
  • the pipe coil is screwed in.
  • Such a pre-assembled unit can then can be pushed completely into the container in the axial direction.
  • This approach is rational, can be easily automated in terms of production technology and ensures a perfect and exact installation of the pipe coil in use.
  • the invention achieves this in that the flanks of the groove face in the direction taper lip-like on the inner wall.
  • the outer diameter of the insert is slightly larger than the inside diameter of the container so that the ends of the flanks bend slightly when inserting the insert into the container. After this The ends are then inserted into the container wall like a sealing lip.
  • fixing elements are provided in the groove according to claim 2.
  • the central insert is made of all suitable materials can, there is a particularly advantageous embodiment in the features of claim 4. Thereafter, the insert consists of a thermoplastic Plastic. As a result, its use is more robust and less sensitive to corrosion Construction by a relatively low weight.
  • the insert has an inner channel on.
  • the insert In practice, it makes sense to design the insert as a hollow cylinder.
  • the wall the use can be made relatively thin.
  • the associated additional weight savings can be the inner channel to Management of the heating water and / or pipe sections used become.
  • FIG 1 1 is a heat exchanger for domestic water preparation illustrated. With the arrows BW is the guide the process water and with the arrows HW the guidance of the Marked heating water.
  • the heat exchanger 1 essentially comprises a container 2 with an inner central insert 3, around which one out of one Tube 4 formed tube coil 5 is guided.
  • the insert 3 exists from a cross-linked polyethylene.
  • a helical one Groove 7 formed on the outer circumference 6 of the insert 3 .
  • the groove 7 is the coiled tubing 5 turned.
  • the pre-assembled unit from insert 3 and Pipe coil 5 is pushed into the container 2, the insert 3 with its outer surface 8, the inner wall 9 of Container 2 contacted media-tight. In this way, a Annulus 10 formed between the coil 5 and the groove 7.
  • the process water BW enters the pipe coil via the inlet 11 5, flows through it and is over the pipe section 12 and the outlet 13 withdrawn again. simultaneously heating water HW flows through an inlet 14 into an inner one Channel 15 of the hollow cylindrical insert 3. On the end side 16 opposite the inlet 14 will Heating water HW deflected and enters the groove 7 or the annulus 10 a. The heating water HW then flows through the annulus 10 helical up to the heating water outlet 17. In this way there is a long contact period of the heating water HW with the pipe coil 5 carrying the process water BW given so that an intensive heat transfer takes place.
  • the groove 7 over flanks 18, 19 which face towards the inner wall 9 of the container 2 taper like a lip.
  • the outside diameter the insert 3 is dimensioned so that the ends 20th the flanks 18, 19 when inserting the insert 3 in the Bend container 2 slightly, as shown in FIG. 3.
  • the ends 20 are then close to the inner wall 9. So that's one Forced control of the heating water HW through the annular space 10 between the coiled tubing 5 and the groove 7 guaranteed.
  • FIG. 5 24 The embodiment of a heat exchanger shown in FIG. 5 24 in turn comprises a container 25, an inner one central insert 26 and a coiled tubing 27.
  • the insert 26 is made of a hollow cylinder 28 made of a thermoplastic Plastic formed, on the outer periphery 29 a helical Groove 30 is formed. In the groove 30 is the Pipe coil 27 performed.
  • the illustrated installation position of the heat exchanger 24 is horizontal.
  • the heat exchanger has 24 via a heating water inlet 31 and a heating water outlet 32, which on the opposite end sides 33 or 34 of the heat exchanger 24.
  • the process water BW is fed through inlet 35 and through the pipe section 36 first passed to the end side 34 before it through the Pipe coil 27 flows to the outlet 37.
  • Service water BW becomes the heating water HW of the helical Following groove 30 to the heating water outlet 32, where it leaves the heat exchanger 24.
  • the contact path for the transfer of thermal energy from the heating water HW on the process water flowing through the spiral tube 27 BW is therefore long enough to be an intense one Heat exchange takes place.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
  • Treatment Of Water By Ion Exchange (AREA)
  • Sorption Type Refrigeration Machines (AREA)

Claims (5)

  1. Echangeur de chaleur pour la préparation d'eau sanitaire selon lequel un serpentin (5, 27) est placé autour d'un insert central (3, 26) pour le passage d'eau sanitaire dans un réservoir (2, 25) qui reçoit de l'eau de chauffage, dans lequel
    le serpentin (5, 27) est installé dans une rainure (7, 30) hélicoïdale réalisée dans la périphérie extérieure et l'eau chaude est guidée dans la rainure (7, 30), l'insert rainuré (3) étant mis en contact de façon étanche au fluide avec sa surface extérieure (8) contre la paroi intérieure (9) du réservoir (3),
    caractérisé en ce que
    les flancs (18, 19) de la rainure (7) se terminent en se rétrécissant en forme de lèvres en direction de la paroi intérieure (9) et le diamètre extérieur de l'insert (3, 26) est légèrement surdimensionné par rapport au diamètre intérieur du réservoir (2, 25).
  2. Echangeur de chaleur selon la revendication 1,
    caractérisé en ce que
    des éléments de blocage (21) pour le serpentin (5) sont prévus dans la rainure (7).
  3. Echangeur de chaleur selon les revendications 1 ou 2,
    caractérisé en ce que
    les éléments de blocage (21) sont constitués par des bourrelets (22, 23) prévus sur les flancs (18, 19).
  4. Echangeur de chaleur selon les revendications 1 à 3,
    caractérisé en ce que
    l'insert (3, 26) est en matière thermoplastique.
  5. Echangeur de chaleur selon les revendications 1 à 4,
    caractérisé en ce que
    l'insert (3) comporte un canal intérieur (15).
EP97111705A 1996-07-17 1997-07-10 Echangeur de chaleur pour la production d'eau sanitaire Expired - Lifetime EP0819892B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19628773 1996-07-17
DE19628773A DE19628773A1 (de) 1996-07-17 1996-07-17 Wärmetauscher zur Brauchwasserbereitung

Publications (3)

Publication Number Publication Date
EP0819892A2 EP0819892A2 (fr) 1998-01-21
EP0819892A3 EP0819892A3 (fr) 1999-01-27
EP0819892B1 true EP0819892B1 (fr) 2003-05-02

Family

ID=7800043

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97111705A Expired - Lifetime EP0819892B1 (fr) 1996-07-17 1997-07-10 Echangeur de chaleur pour la production d'eau sanitaire

Country Status (6)

Country Link
EP (1) EP0819892B1 (fr)
AT (1) ATE239196T1 (fr)
DE (2) DE19628773A1 (fr)
DK (1) DK0819892T3 (fr)
ES (1) ES2198517T3 (fr)
PT (1) PT819892E (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19906180C2 (de) * 1999-02-05 2003-02-06 Peter Rehberg Plattenwärmeübertrager für Warmwasserbereitung und -speicherung
DE202006004396U1 (de) * 2006-03-17 2007-05-10 Viessmann Werke Gmbh & Co Kg Wärmespeicher
CN100516751C (zh) * 2007-09-29 2009-07-22 苏州市中新动力设备辅机有限公司 双螺旋水流筒式高效冷却器
DE102008059541A1 (de) * 2008-11-30 2010-06-02 Solarhybrid Ag Wärmetauscher
KR101363545B1 (ko) 2012-07-11 2014-02-14 엘지전자 주식회사 열교환기
KR101384758B1 (ko) 2012-07-11 2014-04-14 엘지전자 주식회사 열교환기
ES2574429T3 (es) 2013-02-01 2016-06-17 Lg Electronics, Inc. Aire acondicionado e intercambiador de calor para éste
CN104807350B (zh) * 2015-05-05 2016-11-16 宁波德业科技集团有限公司 一种空调热交换器
CN107238096A (zh) * 2017-06-07 2017-10-10 汕头市合力环保节能技术有限公司 一种煤气节能装置
DE102017218973A1 (de) * 2017-10-24 2019-04-25 Hanon Systems Gegenstrom-Wärmeübertrager
WO2019161785A1 (fr) * 2018-02-24 2019-08-29 三花控股集团有限公司 Séparateur gaz-liquide et système d'échange de chaleur
KR102216998B1 (ko) * 2019-05-23 2021-02-18 이삼해 유체 히팅 장치 및 그 제조 방법

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2146141A (en) * 1936-12-05 1939-02-07 Standard Oil Co Heat exchanger
CH550985A (de) * 1972-03-30 1974-06-28 Ygnis Sa Waermetauscher.
DE3470943D1 (en) 1984-10-15 1988-06-09 Plaatverwerkende Ind Van Wijk Water heating appliance e.g. a domestic boiler
JPH0684852B2 (ja) * 1986-01-20 1994-10-26 株式会社東芝 極低温冷凍機
NL194651C (nl) * 1988-07-27 2002-10-04 Meppeler Machf Nv Tapwater-verwarmingsinrichting.

Also Published As

Publication number Publication date
DK0819892T3 (da) 2003-08-25
EP0819892A2 (fr) 1998-01-21
PT819892E (pt) 2003-09-30
ATE239196T1 (de) 2003-05-15
DE19628773A1 (de) 1998-01-22
ES2198517T3 (es) 2004-02-01
EP0819892A3 (fr) 1999-01-27
DE59709951D1 (de) 2003-06-05

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