WO2006120068A1 - Echangeur de chaleur - Google Patents

Echangeur de chaleur Download PDF

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Publication number
WO2006120068A1
WO2006120068A1 PCT/EP2006/061143 EP2006061143W WO2006120068A1 WO 2006120068 A1 WO2006120068 A1 WO 2006120068A1 EP 2006061143 W EP2006061143 W EP 2006061143W WO 2006120068 A1 WO2006120068 A1 WO 2006120068A1
Authority
WO
WIPO (PCT)
Prior art keywords
heat exchanger
coil
coils
exchanger according
helix
Prior art date
Application number
PCT/EP2006/061143
Other languages
German (de)
English (en)
Inventor
Thorsten Kusnik
Wolfgang Nuiding
Adolf Feinauer
Original Assignee
BSH Bosch und Siemens Hausgeräte 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 BSH Bosch und Siemens Hausgeräte GmbH filed Critical BSH Bosch und Siemens Hausgeräte GmbH
Priority to US11/918,709 priority Critical patent/US20090020265A1/en
Priority to EP06725399A priority patent/EP1846714A1/fr
Priority to CN2006800154836A priority patent/CN101171491B/zh
Publication of WO2006120068A1 publication Critical patent/WO2006120068A1/fr

Links

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
    • 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
    • F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
    • F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
    • F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
    • F28D1/047—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being bent, e.g. in a serpentine or zig-zag
    • F28D1/0472—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being bent, e.g. in a serpentine or zig-zag the conduits being helically or spirally coiled
    • 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
    • F28D7/028—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 at least one medium being helically coiled, the coils having a conical 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
    • F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
    • F28D2021/0061—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for phase-change applications
    • F28D2021/0064—Vaporizers, e.g. evaporators

Definitions

  • the present invention relates to a heat exchange with a helically wound into a helix pipe section.
  • a heat exchanger is known from US 5 502 829.
  • the coil is used in this known heat exchanger for guiding a refrigerant as a first heat transfer fluid and is arranged in a flow channel surrounded by an elongated housing through which air is conveyed as a second heat transfer fluid by means of a blower.
  • a problem of this known heat exchanger is that the helix obstructs the air flow only on a part of the cross section of the flow channel.
  • higher flow velocities result than in the immediate vicinity of the helix, so that a large amount of air passes through the heat exchanger, without getting into closer thermal contact with the helices.
  • Other parts of the air flow successively sweep along many turns of the coil and thereby heat up strongly, so that the efficiency of the heat exchange to the downstream end of the flow channel decreases sharply.
  • a compact heat exchanger with spiral pipe sections through which the refrigerant flows in series is also disclosed in DE-OS 2 136 369.
  • This known heat exchanger is formed of a provided with refrigerant channels, wound into a spiral band.
  • the object of the present invention is to provide a compact, easily realizable heat exchanger and a method for its production.
  • a heat exchanger with a helically wound to a first coil first pipe section for guiding a first heat transfer fluid, in which the first coil and a wound from a helically wound second pipe section second coil are arranged nested and fluidically connected to each other.
  • the object is achieved by a manufacturing method of the above-defined heat exchanger in which a tube is wound around a first winding core to form the first coil, a slotted second winding core through which at least one slot inlet and outlet of the helix can happen is placed around the first helix, and from the same tube on the second winding core, a first helix surrounding the second helix is wound.
  • the pipe sections of the two helices are integrally fluidly connected to a continuous helix.
  • the two helices are preferably wound with opposite hand.
  • the pipe sections of the two helices are connected to each other at a respective same end of the two helices.
  • the tube sections of the two coils may also be connected by a tube section extending between opposite ends of the two coils.
  • the handedness of the two coils may be the same.
  • a third or even further helices may be provided, which are each nested with the first and the second helix.
  • the production of the heat exchanger is particularly simple if the spirals running into one another have a cross-section that is constant in the longitudinal direction, so that the coils are formed, for example, in the shape of a circular cylinder or a parallelepiped.
  • the interleaved coils may have a longitudinally tapered, e.g. have truncated cross-section.
  • a free space inside the innermost helix can be used by placing an evaporation tray or dryer there.
  • Fig. 1 is a perspective view of a heat exchanger acc. a first
  • Fig. 2 is a plan view of the heat exchanger of Figure 1 in the axial direction.
  • Fig. 3 is a perspective view of a modified embodiment of
  • FIG. 4 is a perspective view of a third embodiment of the
  • FIG. 5 shows an axial section through a fourth embodiment of the heat exchanger
  • the heat exchanger shown in Fig. 1 comprises three integrally formed from a metal tube formed in the form of a helical spring coils 1, 2, 3, which in the present embodiment coaxially to a longitudinal center axis M into each other and interleaved in this way and thus space and space saving very are arranged compactly.
  • the illustrated coils 1, 2, 3 each have five turns to keep the drawing clear; In practice, the number of turns is generally larger, so that the dimension of the heat exchanger along the longitudinal center axis M is greater than transverse to this.
  • the coils 1, 2, 3 are surrounded by a housing 4 shown broken away in the figure, which serves to bundle a stream of air flowing along the coils 1, 2, 3.
  • a housing 4 shown broken away in the figure, which serves to bundle a stream of air flowing along the coils 1, 2, 3.
  • On the housing is anchored over four struts 5, only two of which are visible in the figure, a fan, which serves for driving the air flow through the housing 4.
  • a not visible in the figure propeller of the fan is located on the side facing away from the viewer open back of the housing 4.
  • a motor 6 of the fan is disposed in an inner cavity of the innermost helix 1 and thus constitutes a flow obstacle, the through the housing extending air flow forces to close closely to the helices 1, 2, 3 along.
  • An inlet connection for refrigerant is denoted by 7. From this inlet port 7, the refrigerant first reaches the inner coil 1, which has right-handed direction of rotation.
  • a pipe section 8 forms a transition to the middle, left-handed helix 2.
  • a corresponding transition from the helix 2 to the outer, right-handed helix 3 is located on the side facing away from the viewer side of the heat exchanger and is not visible in the Fig.
  • the refrigerant exits the heat exchanger via an outlet port 9.
  • FIG. 1 a plan view of the three coils 1, 2, 3 parallel to the longitudinal central axis M is shown in FIG.
  • the pipe section 10 can be seen, which connects the helixes 2 and 3 at the end remote from the viewer of the arrangement.
  • FIG. 3 A second embodiment of the heat exchanger is shown in Fig. 3, wherein the housing of this embodiment, which does not differ from that of the first embodiment, in the figure is omitted.
  • a flat shell 11 Inside the innermost helix 1 is here a flat shell 11.
  • the shell 11 serves as an evaporation tray, ie it traps condensation, which flows from an evaporator of the refrigerator, and evaporates it with the help of passing through the heat exchanger airflow. In this configuration, therefore, it is not necessary to block the interior of the inner coil 1 by a blower motor or the like. With sufficient length of the coils but can be in the cavity of the inner coil quite well for both the fan motor and the shell 11 space.
  • a dryer connected in series with the coils 1, 2, 3 may be accommodated for the refrigerant inside the coil 1.
  • Fig. 3 In the illustration of Fig. 3 is located below the bottom of the shell 1 is between the bottom of the shell 11 and underlying lower rectilinear portions 12 of the inner coil an air gap, so that the lower portions 12 are flowed around over its entire circumference of air can.
  • the shell 11 could also be attached directly to these lower portions 12, so that they can deliver the heat of the flowing therethrough refrigerant through the attachment directly to the shell 11.
  • Nested coils 1, 2, 3 acc. A third embodiment of the heat exchanger according to the invention are shown in Fig. 4.
  • all helices 1, 2, 3 have the same direction of rotation, and the helices are connected to one another in each case by an approximately axially extending pipe section 13 and 14, which in a substantially axial direction in a space between two helices 1, 2 and 2, 3 extends from one end of the heat exchanger to the other.
  • the flow direction of the refrigerant relative to the longitudinal central axis M is the same here in all three coils 1, 2, 3. That is, when air flows through the heat exchanger in the direction of the arrow P and the terminals 7 and 9 as in the first embodiment as inlet and. Actuate outlet, all three coils 1, 2, 3 operate in countercurrent.
  • the pipe sections 13, 14 can also perform a stabilization function for the helical arrangement, by possibly via a thermally insulating intermediate layer, are attached to the windings of one of the two coils between which they extend, or on both coils.
  • Fig. 5 shows an axial section through the helices of a heat exchanger gem.
  • a fourth embodiment of the invention wherein lying above the cutting plane sections of the helices are each shown as dotted outlines.
  • the helices 1, 2 here run on conical surfaces, i. the diameter of their turns decreases from one longitudinal end of the heat exchanger to the other.
  • the advantage of this arrangement is that if one, when air flows parallel to the longitudinal central axis through the coils, all turns, including those at the downstream end of the heat exchanger, are flowed through by air, which is not already preheated to another turn.
  • Fig. 6 shows a cylindrical winding core 15 and a supply roll 16 of a thin-walled metal pipe, e.g. made of copper.
  • a free end of the metal tube is temporarily fixed to the surface of the winding core 15.
  • metal pipe is unwound from the supply roll 16 and wound on the winding core 15 in evenly spaced turns, as shown in FIG.
  • the helix 1 is obtained.
  • a second winding core 17 in the form of a longitudinally slotted sleeve in the axial direction on the first winding core 15 and the coil 1 is pushed, the free end of the tube protrudes through the slot 18, as in Fig. 8 see.
  • both hubs 15, 17 are rotated together, and at the same time the supply roll 16 is moved to the hubs 15, 17 along back to their original position.
  • the second coil 2 is obtained.
  • a third, also slotted winding core 19 is pushed onto the hubs 15, 17 and the helices 1, 2, in turn, the free end of the tube and the pipe section 10 through the slot 20 of the winding core 19th extend.
  • the helix 3 is now generated on the winding core 19. Since this process proceeds in the same way as the winding of the coils 1 and 2, it is not shown in the figures. It is obvious that, if necessary, the number of hubs and the spirals produced thereon can be arbitrarily increased in principle.
  • a heat exchanger of the type shown in Fig. 4 proceeds to the stage of Fig. 9 as well as described above. Instead, however, as shown in Fig. 10, to begin immediately with the winding of the coil 2 with opposite handedness, the tube is, as shown in Fig. 12, retracted in the slot 18 of the winding core 17 over the entire length of the coil 1 to form the portion 13 described with reference to Fig. 4, and then the coil 2 is wound with the same handedness as the coil 1. For all other spirals proceed in the same way.

Abstract

L'invention concerne un échangeur de chaleur comportant au moins deux sections tubulaires destinées au guidage d'un fluide caloporteur, lesquelles sections sont imbriquées l'une dans l'autre et enroulées en une spirale hélicoïdale (1, 2, 3).
PCT/EP2006/061143 2005-05-10 2006-03-29 Echangeur de chaleur WO2006120068A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US11/918,709 US20090020265A1 (en) 2005-05-10 2006-03-29 Heat exchanger
EP06725399A EP1846714A1 (fr) 2005-05-10 2006-03-29 Echangeur de chaleur
CN2006800154836A CN101171491B (zh) 2005-05-10 2006-03-29 热交换器

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005021610.2 2005-05-10
DE102005021610A DE102005021610A1 (de) 2005-05-10 2005-05-10 Wärmetauscher

Publications (1)

Publication Number Publication Date
WO2006120068A1 true WO2006120068A1 (fr) 2006-11-16

Family

ID=36602414

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2006/061143 WO2006120068A1 (fr) 2005-05-10 2006-03-29 Echangeur de chaleur

Country Status (6)

Country Link
US (1) US20090020265A1 (fr)
EP (1) EP1846714A1 (fr)
CN (2) CN101171491B (fr)
DE (1) DE102005021610A1 (fr)
RU (1) RU2451886C2 (fr)
WO (1) WO2006120068A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2504717C2 (ru) * 2012-02-27 2014-01-20 Федеральное государственное унитарное предприятие "Центральный научно-исследовательский институт судовой электротехники и технологии" (ФГУП "ЦНИИ СЭТ") Теплообменник
EP2845844A3 (fr) * 2013-01-16 2015-11-11 Nitrates&Innovation Installation modulaire de fabrication d'un précurseur d'émulsion explosive

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US9732605B2 (en) * 2009-12-23 2017-08-15 Halliburton Energy Services, Inc. Downhole well tool and cooler therefor
CN103517775B (zh) 2011-05-10 2016-02-24 阿尔弗雷德·凯驰两合公司 热交换器和其制造方法
US20130269919A1 (en) * 2012-04-16 2013-10-17 Technip France Temperature moderated supports for flow tubes
SE536722C2 (sv) * 2012-11-01 2014-06-17 Skanska Sverige Ab Energilager
SE537267C2 (sv) 2012-11-01 2015-03-17 Skanska Sverige Ab Förfarande för drift av en anordning för lagring av termiskenergi
SE536723C2 (sv) 2012-11-01 2014-06-24 Skanska Sverige Ab Termiskt energilager innefattande ett expansionsutrymme
CN103245239A (zh) * 2013-05-24 2013-08-14 海安县社民机械配件厂 换热器用不锈钢盘管
US10533191B2 (en) * 2014-01-15 2020-01-14 Serucell Corporation Therapeutic serum obtained from co-cultured cells
USD762289S1 (en) 2014-07-15 2016-07-26 Dometic Sweden Ab Heat exchanger
DE102017118444B4 (de) * 2017-08-14 2024-05-08 Thomas Hammer Temperierschlange und Verfahren zum Herstellen dieser Temperierschlange
CN108224831B (zh) * 2017-12-27 2020-05-12 中能绿色精灵(北京)科技有限公司 一种跨临界二氧化碳热泵换热器
CN108686612A (zh) * 2018-08-02 2018-10-23 汤铁 管式逆流换热反应器
CN109099616A (zh) * 2018-08-09 2018-12-28 宁夏欣达节能技术有限公司 石墨烯薄膜冷媒蒸发管及其装置

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DE140125C (fr) *
US981104A (en) * 1909-11-16 1911-01-10 George F Chamberlin Automatic regulator.
DE1910061A1 (de) * 1969-02-27 1970-09-10 Linde Ag Verfahren und Vorrichtung zum schraubenartigen Aufwickeln eines Rohres auf einen Wickelkern
DE2253493A1 (de) * 1971-11-03 1973-05-10 Steam Engines Systems Corp Waermeaustauscher
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Publication number Priority date Publication date Assignee Title
RU2504717C2 (ru) * 2012-02-27 2014-01-20 Федеральное государственное унитарное предприятие "Центральный научно-исследовательский институт судовой электротехники и технологии" (ФГУП "ЦНИИ СЭТ") Теплообменник
EP2845844A3 (fr) * 2013-01-16 2015-11-11 Nitrates&Innovation Installation modulaire de fabrication d'un précurseur d'émulsion explosive

Also Published As

Publication number Publication date
RU2007136932A (ru) 2009-06-20
CN101171491A (zh) 2008-04-30
EP1846714A1 (fr) 2007-10-24
RU2451886C2 (ru) 2012-05-27
US20090020265A1 (en) 2009-01-22
CN101738104A (zh) 2010-06-16
CN101738104B (zh) 2012-04-11
CN101171491B (zh) 2010-10-06
DE102005021610A1 (de) 2006-11-23

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