EP0814312B1 - Dispositif pour la fabrication de tubes concentriques enroulés et échangeur de chaleur à tubes concentriques enroulés - Google Patents

Dispositif pour la fabrication de tubes concentriques enroulés et échangeur de chaleur à tubes concentriques enroulés Download PDF

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Publication number
EP0814312B1
EP0814312B1 EP97108997A EP97108997A EP0814312B1 EP 0814312 B1 EP0814312 B1 EP 0814312B1 EP 97108997 A EP97108997 A EP 97108997A EP 97108997 A EP97108997 A EP 97108997A EP 0814312 B1 EP0814312 B1 EP 0814312B1
Authority
EP
European Patent Office
Prior art keywords
pipe
radial extension
heat exchanger
coaxial
turns
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
EP97108997A
Other languages
German (de)
English (en)
Other versions
EP0814312A2 (fr
EP0814312A3 (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
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Filing date
Publication date
Application filed by KME Schmoele GmbH filed Critical KME Schmoele GmbH
Publication of EP0814312A2 publication Critical patent/EP0814312A2/fr
Publication of EP0814312A3 publication Critical patent/EP0814312A3/fr
Application granted granted Critical
Publication of EP0814312B1 publication Critical patent/EP0814312B1/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
    • F28D7/04—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 spirally coiled
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D53/00—Making other particular articles
    • B21D53/02—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers
    • B21D53/027—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers by helically or spirally winding elongated elements
    • 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
    • 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
    • F28D7/106—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 consisting of two coaxial conduits or modules of two coaxial conduits

Definitions

  • the invention relates to a heat exchanger, which is a coiled in a container Has coaxial tube.
  • a heat exchanger in particular for the preparation of process water, is known the one in a container a coiled, from an inner tube and a Has outer tube existing coaxial tube.
  • the coaxial tube is cylindrical wound so that all turns have the same radius.
  • the in Fluids located in heat exchange become a fluid through the inner tube and the other fluid through the gap between the inner tube and the outer tube guided.
  • CH-PS 173 859 discloses a heat exchanger with arranged in a vessel coiled tubing strings that can be manufactured by that a pipe string along a cone shell is helical wound up and then compressed into flat spirals. On Medium is between the outer surfaces of the tubing and the inner surface of the vessel, while the other medium in the Pipe strings runs.
  • GB-PS 138,870 shows a similar design.
  • a shower arrangement in which the Partially preheating the fresh water leading to the shower head embedded in a spiral pipe below the shower tray which is with the warm waste water flowing out of the shower tray is applied.
  • the fresh water line is through spacers to that Wastewater pipe distanced.
  • a container that holds this pipe arrangement is not provided.
  • the spacers are separately designed "spiders" that can come loose under certain circumstances and in this case through the Shift flow within the coaxial tube until it moves to the next Meet "Spider". In this case there is an undesirable and usually not negligible narrowing of the flow cross section instead, whereby the efficiency of the heat exchanger is adversely affected. Since the "Spider" are separate components, is the attachment to the inner tube in the Distance to each other is relatively expensive.
  • the coaxial tube is between two end tangential longitudinal sections serving for the fluid connection first wound in a special way in a helical manner.
  • Coil with the largest radial extension in each case.
  • the radial extension of the turns decreases from turn to turn Winding by such an amount that. the outer radial extension of the next following turn each smaller than the inner radial extension of the preceding turn.
  • How many turns of the regarding radial extent largest turn down to the smallest in this regard Winding to be wound helically depends on the Available installation space in the container on the circumferential side of the coiled Coaxial tube.
  • the turn is wound with the smallest radial extension, it is repeated a turn with this extension is wound, from which then at further wind the radial extension of each subsequent turn by one such an amount increases that the outer radial extension of the wound Turn is smaller than the inner radial extent of the following turn.
  • After winding the last turn with the largest radial extension, which then also ends in a tangential length segment has that such a spiral coaxial tube in this deformation stage double conical, convoluted diabolic outer contour in the middle.
  • Such a coaxially coiled tube has an extremely low axial Length. It has the advantage that with a performance of e.g. 24 kW in Compared to a conventionally coiled cylindrical configuration with a pipe length of about 13 m now only a pipe length of about 6 m needed. The material saving is therefore considerable.
  • a coaxial tube can also be made by starting of a tangentially extending length first under Reduce the radial extension from turn to turn, then under Increase in radial extension from turn to turn, then while reducing the radial extension of winding Winding and ultimately increasing the radial extension of the winding tapering into a tangential length section with a quadruple conical double constricted outer contour helical is wrapped. Then the spiral turns are under parallel alignment of the end tangential longitudinal sections in four layers axially pushed together.
  • Such a coaxial tube then has twice the length with a comparatively greater performance, but only a small axial expansion now over four layers.
  • coaxial tubes can also be spirally wound if necessary that have more than four layers.
  • the Spacers are integral parts of the inner tube and / or of the outer tube. They are preferably web-like. They also extend parallel to the longitudinal axis of the coaxial tube. The spacers have one Length that is approximately the distance of two in the longitudinal direction of the coaxial tube successive spacers.
  • the spacers in the circumferential direction of the gap between the inner tube and the outer tube are arranged offset from one another.
  • Prefers are at least three evenly offset on the circumference arranged spacers provided. This is useful short spacers, which make it possible that the in the gap between fluid routed to the inner tube and the outer tube permanently over the Cross-section of the gap can be exchanged and not linearly through the coaxial tube flows. This improves heat exchange.
  • the inner tube is on it profiled inner surface. These are preferably grooves that extend at an angle to the longitudinal axis of the coaxial tube. With yourself crossing grooves, the ribs then formed can have different heights exhibit.
  • both the inner tube as well as the outer tube made of a metallic material consist.
  • this is advantageously a non-ferrous metal, whereby according to claim 6 preferably copper or a Copper alloy is used.
  • the inner tube is made of copper or a copper alloy
  • the outer tube is made of one thermoplastic, in particular from a PE cross-linked Plastic is made.
  • the coaxial tube 1 consists, as in particular FIGS. 8 and 9 identify, from a circular inner tube 3 a copper alloy and also a copper alloy existing circular outer tube 4. Between the Inner tube 3 and the outer tube 4 is an annular Gap 5 formed for a fluid with a in the inner tube 3 guided fluid is in heat-exchanging contact.
  • the distance between the inner tube 3 and the outer tube 4 is generated by web-like spacers 6 in the circumferential direction of the gap 5 evenly offset from one another by 120 ° and also offset from one another in the longitudinal direction of the gap 5 are.
  • the length L of the spacers 6 corresponds approximately to that Distance A from two in the longitudinal direction of the gap 5 on top of each other following, spaced spacers 6th
  • the finished spirally coiled two-layer coaxial tube 1 of Figures 1, 3 and 4 is generated in that the coaxial tube 1, starting from a tangentially extending Longitudinal section 7 initially reducing the radial Extension E, E1, E2, E3, E4 from winding 8, 9, 10, 11, 12 to Turn 9, 10, 11, 12, 13 and then again under magnification the radial extension E5, E6 E7, E8, E9 from turn 13, 14, 15, 16 to turn 14, 15 16, 17 ( Figure 2), ending in a tangential longitudinal section 18, with a double conical, Helical constricted outer contour is wrapped.
  • the subsequent turns 9-12 of the conical length section 19 of the deformed intermediate stage 21 of the coaxial tube 1 are then designed accordingly.
  • the tangential longitudinal sections 7, 18 serve for the fluid connection. They extend both in the plane according to FIG. 1 as well as in the plane according to FIG. 3 parallel to one another.
  • Coaxial tube 25 is based on the same in terms of manufacture Principle, as it was previously with reference to Figures 1 to 4, 8 and 9 has been described.
  • This coaxial tube 25 is made by starting it from a tangentially extending longitudinal section 41, initially with a reduction in the radial extent E, E1, E2, E3 from turn 8, 9, 10, 11 to turn 9, 10, 11, 12 then increasing the radial extent E5-E9 from turn 13, 14, 15, 16 to turn 14, 15, 16, 17 then reducing the radial extent E10-E14 from turn 26, 27, 28, 29 to turn 27, 28, 29, 30 and ultimately increasing the radial extent E15-E19 from turn 31, 32, 33, 34 to turn 32, 33, 34, 35, ending in a tangential length section 36, with a quadruple conical, double constricted outer contour is wound helically (Figure 5).

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Claims (7)

  1. Echangeur thermique présentant dans un réservoir (2) un tube coaxial (1, 25) à enroulement spiroïdal sur deux couches au moins, les couches (22, 23; 37 à 40) disposées parallèlement l'une à côté de l'autre étant soumises à un enroulement spiroïdal pour constituer plusieurs spires (8 à 17, 26 à 35), les spires (8, 17, 35) offrant le déploiement radial le plus important (E, E9, E10) sur les couches externes (22, 23; 37, 38) se terminant par des segment linéaires à déploiement tangentiel (7, 18; 41, 36), et un tube interne (3) avec un fluide en échange thermique, acheminé dans la fente (5) située entre le tube interne (3) et le tube externe (4), le tube interne (3) avec une face interne profilée étant maintenu à distance du tube externe 4 par des pièces d'écartement en forme d'entretoise, disposées en décalage les unes par rapport aux autres, parallèlement à l'axe longitudinal du tube coaxial (1, 25) et orientées vers la périphérie de la fente (5) entre le tube interne (3) et le tube externe (4) que dans le sens longitudinal du tube coaxial (1, 25), sachant que la longueur (L) des pièces d'écartement (6) correspond approximativement à l'espace (A) séparant deux pièces d'écartement (6) successives dans le sens de la longueur du tube coaxial (1, 25), et que les pièces d'écartement (6) sont d'un seul tenant avec le tube interne (3) et/ou le tube externe (4).
  2. Echangeur thermique selon la revendication 1, comportant un tube coaxial (1) en deux couches, sur lequel les spires (12, 13) offrant le déploiement radial le plus réduit (E4, E5) sur les deux couches (22, 23) sont assemblées ensemble.
  3. Echangeur thermique selon la revendication 1, comportant un tube coaxial (25) en quatre couches, sur lequel les spires (12, 31) offrant le déploiement radial le plus réduit (E4, E15) sur les deux couches externes (37, 38) sont assemblées aux spires (13, 30) offrant le déploiement radial (E5, E14) le plus réduit sur la couche interne (39, 40) voisine d'une part, les spires (17, 26) offrant le déploiement radial (E9, E10) le plus important sur les couches internes (39, 40) étant assemblées ensemble d'autre part.
  4. Echangeur thermique selon l'une des revendications 1 à 3, sur lequel le tube interne (3) et le tube externe (4) sont élaborés dans des matières métalliques.
  5. Echangeur thermique selon l'une des revendications 1 à 4, sur lequel le tube interne (3) et le tube externe (4) sont élaborés dans des métaux non ferreux.
  6. Echangeur thermique selon l'une des revendications 1 à 5, sur lequel le tube interne (3) et le tube externe (4) sont élaborés dans du cuivre ou dans un alliage de cuivre.
  7. Echangeur thermique selon l'une des revendications 1 à 3, sur lequel le tube interne (3) est élaboré dans du cuivre ou dans un alliage de cuivre, le tube extérieur (4) étant élaboré dans une matière plastique thermodurcissable.
EP97108997A 1996-06-17 1997-06-04 Dispositif pour la fabrication de tubes concentriques enroulés et échangeur de chaleur à tubes concentriques enroulés Expired - Lifetime EP0814312B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19624030A DE19624030A1 (de) 1996-06-17 1996-06-17 Verfahren zur Herstellung eines gewendelten Koaxialrohrs für einen Wärmetauscher und Wärmetauscher, der ein gewendeltes Koaxialrohr aufweist
DE19624030 1996-06-17

Publications (3)

Publication Number Publication Date
EP0814312A2 EP0814312A2 (fr) 1997-12-29
EP0814312A3 EP0814312A3 (fr) 1999-06-02
EP0814312B1 true EP0814312B1 (fr) 2004-01-14

Family

ID=7797108

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97108997A Expired - Lifetime EP0814312B1 (fr) 1996-06-17 1997-06-04 Dispositif pour la fabrication de tubes concentriques enroulés et échangeur de chaleur à tubes concentriques enroulés

Country Status (3)

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EP (1) EP0814312B1 (fr)
AT (1) ATE257938T1 (fr)
DE (2) DE19624030A1 (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19837923C1 (de) * 1998-08-20 2000-01-20 Hans Biermaier Vorrichtung zum thermischen Sterilisieren von Flüssigkeiten
DE19944950B4 (de) * 1999-09-20 2008-01-31 Behr Gmbh & Co. Kg Klimaanlage mit innerem Wärmeübertrager
DE19944951B4 (de) * 1999-09-20 2010-06-10 Behr Gmbh & Co. Kg Klimaanlage mit innerem Wärmeübertrager
US6484569B1 (en) * 2000-10-27 2002-11-26 Waters Investments Limited Tube-in-tube thermal exchanger for liquid chromatography systems
EP1752718B1 (fr) * 2005-08-05 2010-07-21 Riello S.p.A. Méthode de fabrication d'un échangeur de chaleur
US7836942B2 (en) 2007-02-05 2010-11-23 Riello S.P.A. Heat exchanger and method of producing the same
KR101608996B1 (ko) * 2010-01-11 2016-04-05 엘지전자 주식회사 열 교환기
DE102010008175B4 (de) 2010-02-16 2014-12-04 Thesys Gmbh Wärmeübertrager
DE102011118164C5 (de) 2010-12-29 2018-08-30 Thesys Gmbh Wärmeübertrager und Verfahren zum Betreiben eines Wärmeübertragers
EP2852292B1 (fr) * 2012-05-22 2016-10-19 Robert Bosch GmbH Dispositif pour chauffer une masse, en particulier une masse de confiserie et procédé de production dudit dispositif
DE102012112276A1 (de) * 2012-12-14 2014-06-18 Renate Kintea Wärmekraftmaschine
DE102014018817A1 (de) * 2014-12-19 2016-06-23 Schmöle GmbH Verfahren zur Bereitstellung eines Rippenrohrkörpers eines Wärmetauschers und Rippenrohrwendel
CN108613539B (zh) * 2018-04-02 2020-09-04 广德美好包装科技有限公司 一种热回收交换机的热交换系统

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB138870A (en) * 1919-02-08 1921-08-08 Griscom Russell Co Improvements in or relating to heat interchangers
CH173859A (de) * 1933-05-12 1934-12-15 Sulzer Ag Wärmeaustauscher.
SE460684B (sv) * 1985-10-02 1989-11-06 Alexander Consulting Ab Vaermevaexlare med koncentriska roer kopplade i serie genom urtagningar i loestagbara aendplattor av laettbearbetat material
GB9421320D0 (en) * 1994-10-19 1994-12-07 Jackson Harry E Shower with economiser preheater
US5522453A (en) * 1995-03-22 1996-06-04 Green; Kenneth E. Washer fluid heater

Also Published As

Publication number Publication date
ATE257938T1 (de) 2004-01-15
EP0814312A2 (fr) 1997-12-29
DE19624030A1 (de) 1997-12-18
EP0814312A3 (fr) 1999-06-02
DE59711199D1 (de) 2004-02-19

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