EP1672304B1 - Wärmetauscher - Google Patents

Wärmetauscher Download PDF

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Publication number
EP1672304B1
EP1672304B1 EP04030073A EP04030073A EP1672304B1 EP 1672304 B1 EP1672304 B1 EP 1672304B1 EP 04030073 A EP04030073 A EP 04030073A EP 04030073 A EP04030073 A EP 04030073A EP 1672304 B1 EP1672304 B1 EP 1672304B1
Authority
EP
European Patent Office
Prior art keywords
inner tube
heat exchanger
outlet
inlet
tube
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.)
Active
Application number
EP04030073A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1672304A1 (de
Inventor
Uwe Hansen
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.)
Neue Energie Verwertungs GmbH
Original Assignee
Neue Energie Verwertungs 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
Priority to PT04030073T priority Critical patent/PT1672304E/pt
Application filed by Neue Energie Verwertungs GmbH filed Critical Neue Energie Verwertungs GmbH
Priority to DE502004004210T priority patent/DE502004004210D1/de
Priority to ES04030073T priority patent/ES2289419T3/es
Priority to AT04030073T priority patent/ATE365900T1/de
Priority to PL04030073T priority patent/PL1672304T3/pl
Priority to EP04030073A priority patent/EP1672304B1/de
Priority to JP2007545957A priority patent/JP2008524543A/ja
Priority to MX2007007366A priority patent/MX2007007366A/es
Priority to US11/792,513 priority patent/US20070295493A1/en
Priority to CNA2005800434832A priority patent/CN101080605A/zh
Priority to BRPI0519525-0A priority patent/BRPI0519525A2/pt
Priority to CA002590569A priority patent/CA2590569A1/en
Priority to AU2005315782A priority patent/AU2005315782A1/en
Priority to KR1020077016434A priority patent/KR20070094792A/ko
Priority to PCT/EP2005/013548 priority patent/WO2006063840A1/de
Priority to RU2007127415/06A priority patent/RU2007127415A/ru
Publication of EP1672304A1 publication Critical patent/EP1672304A1/de
Priority to TNP2007000230A priority patent/TNSN07230A1/fr
Priority to IL183988A priority patent/IL183988A0/en
Priority to MA30005A priority patent/MA29102B1/fr
Application granted granted Critical
Publication of EP1672304B1 publication Critical patent/EP1672304B1/de
Priority to ZA200705222A priority patent/ZA200705222B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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

Definitions

  • the invention relates to a heat exchanger for heat transfer between two separate media.
  • Heat exchangers are often used in technology to realize a heat transfer between two media. So to be processed with heat exchangers media either heated or cooled.
  • a field of application for heat exchangers is the cooling of hot gases.
  • exhaust gases are expelled from the combustion chambers at temperatures of 1000 ° C. and more. In some cases it is desirable to cool these hot gases to temperatures of 50 ° C and less.
  • heat exchangers are typically used. In certain situations, where the space is cramped or where it is necessary for other reasons, to realize the exchange of heat on the shortest possible distance, heat exchangers of small or short design are desired.
  • no heat exchangers are known, which are particularly suitable for generating a high temperature gradient over the shortest distance (eg cooling of Hot gases from an inlet temperature of 1000 ° C and more to an outlet temperature of below 80 ° C, preferably below 50 ° C over a length of about 30 cm).
  • the heat exchanger according to the invention is characterized by a lying within a jacket tube inner tube, which is closed on one side.
  • the closed end of the inner tube is located on the inlet side of the jacket tube, in which, for example, to flow cooled hot gases or other hot media.
  • a coolant is first fed into the inner tube and cools both on the closed end face and on the pipe wall flowing past, to be cooled medium. From the inner tube, the cooling medium then passes into a spiral conduit wound around the inner tube and also leads there to a further cooling effect, before it leaves the heat exchanger.
  • the heat exchanger according to the invention is also suitable for conversely heating a cool medium flowing into the jacket tube with the aid of a heating medium flowing into the "coolant” inlet.
  • the terms “coolant inlet”, “coolant outlet” and “coolant outlet” are not to be construed as limited to a coolant, but they can equally well be used for a medium which is used for heating a medium flowing through the jacket pipe, thus a "warming agent" ,
  • the proposed outlet tube in the interior of the inner tube has the advantage that the coolant flowing into the inner tube must be distributed throughout the inner tube before it can pass through the outlet tube in the spiral conduit. In this way, the achieved on the wall of the inner tube cooling effect is enhanced, resulting in an overall better cooling performance and heat transfer performance of the heat exchanger.
  • similar considerations apply to operation of the heat exchanger for heating a medium.
  • the spiral conduit is guided at least along the entire length of the inner tube surrounding this.
  • the individual turns of the spiral line are closely wound, but without touching. There must be a gap between the individual turns of the spiral line so that contact can also take place between the medium to be cooled or heated and the surface of the spiral line through which the coolant or heat medium flows.
  • spiral conduit is arranged at a radial distance to the wall of the inner tube and to the wall of the jacket tube, supports the desired turbulence of the medium flowing through the jacket tube and the associated increased heat exchange efficiency. It has been found that a radial distance of the spiral conduit to the wall of the inner tube, which is approximately equal to the radial distance of the spiral conduit to the wall of the jacket tube, shows particularly good results (claim 5).
  • At least the spiral duct of the heat exchanger consists of a material with good thermal conduction properties.
  • copper is preferably used, but other materials with good thermal conductivity properties are conceivable, such as, for example, silver.
  • the heat exchanger according to the invention is used to cool combustion gases from internal combustion engines, in particular combustion exhaust gases from motor vehicle engines.
  • a heat exchanger must, on the one hand, apply a high cooling power, in order to achieve that with approximately 1000 ° C and more emerging from the combustion chamber, hot exhaust gases to a temperature of 80 ° C and less, preferably below 50 ° C to cool.
  • the heat exchanger must also be of compact design, since the space in the exhaust system of the motor vehicle is limited.
  • the heat exchanger according to the invention is particularly well.
  • a heat exchanger 12 according to the invention is shown schematically in cross section.
  • the heat exchanger 12 according to the invention has a jacket tube 8, which opens via radial tapers in an inlet 1 shown in the drawing above and an outlet 2 shown in the drawing below.
  • This embodiment of the heat exchanger 12 is preferably designed for the cooling of hot gases.
  • the heat exchanger according to the invention can be used in all possible variants, including for cooling liquids, for heating gases or liquids or other heat transfers.
  • an inner tube 3 is arranged concentrically to this, which is closed at its front side facing the inlet 1 shown in the drawing above.
  • the closed end face of the inner tube 3 forms a baffle plate 11 for a medium flowing in via the inlet 1 into the heat exchanger 12, in particular gas.
  • this On the outlet 2 facing side of the inner tube 3, this has a coolant inlet 5, which is passed through the jacket tube 8 and connected to a coolant inlet 9.
  • Inside the inner tube 3 there is an outlet tube 6, which is drawn to just before the baffle plate 11 and there has an opening.
  • the outlet tube 6 leads out of the inner tube 3 and goes into a spiral conduit 7, which in tight turns, but with retention of a distance between the turns, along the entire length of the inner tube 3 to this is led around. At the end of the spiral line this goes into a coolant outlet 10, which is passed through the jacket tube 8.
  • the hot exhaust gases enter the jacket tube 8 via the inlet 1. There they meet the baffle plate 11, whereby the stream is divided and first turbulences arise. This is indicated schematically in the figure by corresponding arrows. There on the baffle plate 11 already takes place a first indirect contact with the flowing in the inner tube 3 cooling medium, so that already an initial cooling effect is effected.
  • the gas is deflected by the baffle plate 11, it enters the annular space formed between the casing tube 8 and the inner tube 3.
  • the spiral conduit which is arranged in this embodiment in the radial direction approximately centrally between the wall of the inner tube 3 and the wall of the outer tube 8.
  • the inflowing medium preferably gas, runs a markedly extended path within the jacket tube 8 and has intensive contact with the surfaces of the inner tube 3 and spiral conduit 7 which are traversed by the cooling medium.
  • the cooled medium preferably gas
  • the flow of the coolant from the coolant inlet 9 through the inner tube 3 and the spiral conduit 7 up to the coolant outlet 10 is also indicated by arrows.
  • the inner tube 3 has a diameter d of 60 mm, the diameter of the spiral line d s , measured from outer wall to outer wall, is 110 mm, the diameter D of the jacket tube 150 mm, the length L of the jacket tube 200 to 300 mm, the diameter of the inlet 1 and the outlet 2 (not indicated in the figures) about 50 to 60 mm.
  • a copper conduit is used as a spiral conduit 7 with a circular cross-section and a diameter of 15 mm.
  • This heat exchanger is used for cooling exhaust gases leaving about 1000 ° C. and more from an internal combustion engine up to temperatures of about 50 ° C.
  • n-butane is added at room temperature (about 25 ° C) in the coolant inlet, the n-butane has then left the coolant outlet at a temperature of about 120 ° C.
  • a 30 bar pump was used to promote the coolant n-butane.
  • water or another liquid or a liquid mixture can also be used as the coolant.
  • the heat exchanger according to the invention could be integrated into the exhaust system of a motor vehicle, for example as a replacement for a catalytic converter or a silencer.
  • the heat exchanger according to the invention is not limited to the use described in this embodiment, but can be used for cooling or heating of various media.
  • the heat exchanger can be used only for heat transfer.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
  • Separation By Low-Temperature Treatments (AREA)
  • Power Steering Mechanism (AREA)
  • Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
EP04030073A 2004-12-18 2004-12-18 Wärmetauscher Active EP1672304B1 (de)

Priority Applications (20)

Application Number Priority Date Filing Date Title
DE502004004210T DE502004004210D1 (de) 2004-12-18 2004-12-18 Wärmetauscher
ES04030073T ES2289419T3 (es) 2004-12-18 2004-12-18 Intercambiador de calor.
AT04030073T ATE365900T1 (de) 2004-12-18 2004-12-18 Wärmetauscher
PL04030073T PL1672304T3 (pl) 2004-12-18 2004-12-18 Wymiennik ciepła
EP04030073A EP1672304B1 (de) 2004-12-18 2004-12-18 Wärmetauscher
PT04030073T PT1672304E (pt) 2004-12-18 2004-12-18 Permutador de calor
MX2007007366A MX2007007366A (es) 2004-12-18 2005-12-16 Intercambiador de calor.
US11/792,513 US20070295493A1 (en) 2004-12-18 2005-12-16 Heat Exchanger
CNA2005800434832A CN101080605A (zh) 2004-12-18 2005-12-16 热交换器
BRPI0519525-0A BRPI0519525A2 (pt) 2004-12-18 2005-12-16 trocador de calor
JP2007545957A JP2008524543A (ja) 2004-12-18 2005-12-16 熱交換装置
CA002590569A CA2590569A1 (en) 2004-12-18 2005-12-16 Heat exchanger
AU2005315782A AU2005315782A1 (en) 2004-12-18 2005-12-16 Heat exchanger
KR1020077016434A KR20070094792A (ko) 2004-12-18 2005-12-16 열교환기
PCT/EP2005/013548 WO2006063840A1 (de) 2004-12-18 2005-12-16 Wärmetauscher
RU2007127415/06A RU2007127415A (ru) 2004-12-18 2005-12-16 Теплообменник
TNP2007000230A TNSN07230A1 (en) 2004-12-18 2007-06-15 Heat exchanger
IL183988A IL183988A0 (en) 2004-12-18 2007-06-17 Heat exchanger
MA30005A MA29102B1 (fr) 2004-12-18 2007-06-18 Echangeur de chaleur
ZA200705222A ZA200705222B (en) 2004-12-18 2007-07-02 Heat exchanger

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP04030073A EP1672304B1 (de) 2004-12-18 2004-12-18 Wärmetauscher

Publications (2)

Publication Number Publication Date
EP1672304A1 EP1672304A1 (de) 2006-06-21
EP1672304B1 true EP1672304B1 (de) 2007-06-27

Family

ID=34927844

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04030073A Active EP1672304B1 (de) 2004-12-18 2004-12-18 Wärmetauscher

Country Status (20)

Country Link
US (1) US20070295493A1 (ko)
EP (1) EP1672304B1 (ko)
JP (1) JP2008524543A (ko)
KR (1) KR20070094792A (ko)
CN (1) CN101080605A (ko)
AT (1) ATE365900T1 (ko)
AU (1) AU2005315782A1 (ko)
BR (1) BRPI0519525A2 (ko)
CA (1) CA2590569A1 (ko)
DE (1) DE502004004210D1 (ko)
ES (1) ES2289419T3 (ko)
IL (1) IL183988A0 (ko)
MA (1) MA29102B1 (ko)
MX (1) MX2007007366A (ko)
PL (1) PL1672304T3 (ko)
PT (1) PT1672304E (ko)
RU (1) RU2007127415A (ko)
TN (1) TNSN07230A1 (ko)
WO (1) WO2006063840A1 (ko)
ZA (1) ZA200705222B (ko)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100943688B1 (ko) * 2008-03-05 2010-02-22 주식회사 한국피이엠 지열 회수용 코일형 합성수지관 및 그 제조방법
CN100578119C (zh) * 2008-05-17 2010-01-06 苏权兴 热交换器
DE202010012438U1 (de) 2010-09-10 2010-11-18 Hansen, Marret Wärmetauscher
US9038579B2 (en) * 2011-05-11 2015-05-26 Korea Institute Of Machinery & Materials Fuel cell-engine hybrid system
KR101384758B1 (ko) 2012-07-11 2014-04-14 엘지전자 주식회사 열교환기
KR101363545B1 (ko) 2012-07-11 2014-02-14 엘지전자 주식회사 열교환기
ES2574429T3 (es) 2013-02-01 2016-06-17 Lg Electronics, Inc. Aire acondicionado e intercambiador de calor para éste
ITPD20130321A1 (it) * 2013-11-26 2015-05-27 I R C A S P A Ind Resiste Nze Corazzate Termoblocco per riscaldamento di liquidi
CN107192278A (zh) * 2017-03-27 2017-09-22 黄云生 耐高温楦头管芯热交换器
CN111043880A (zh) * 2019-12-17 2020-04-21 山东九泽换热系统有限公司 一种螺旋缠绕管式换热器

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US757846A (en) * 1903-05-08 1904-04-19 Sydney Westhorpe Simpson Feed-water heater.
US921811A (en) * 1906-06-14 1909-05-18 Henry E Deckebach Liquid purifier and separator.
US1391989A (en) * 1919-12-13 1921-09-27 Zoppel Ferdinand Joseph Condenser
US1992173A (en) * 1933-08-16 1935-02-26 Owen L Appleby Water treating apparatus
GB571558A (en) * 1943-08-26 1945-08-29 Townson & Mercer Ltd Improvements in or relating to the production of distilled water
DE2938324A1 (de) * 1979-09-21 1981-04-09 Willi Ing.(grad.) 3000 Hannover Strohmeyer Waermetauscher, insbesondere zum anschluss an heizungsanlagen in ein- und mehrfamilienhaeusern
AU7807487A (en) * 1986-08-21 1988-03-08 Emil Bader Countercurrent heat-exchanger with helical bank of tubes
US4749030A (en) * 1987-09-28 1988-06-07 Knox Jr Arthur C Device for condensing organic solvents
US5309987A (en) * 1992-07-21 1994-05-10 Astec Method and apparatus for heating and cooling food products during processing
US5487423A (en) * 1993-02-16 1996-01-30 Piscine Service Anjou Sa Heat exchanger
NL1009669C2 (nl) * 1998-07-16 2000-01-18 Fasto Nefit Bv Inrichting voor het verwarmen van sanitairwater.
DE29815951U1 (de) * 1998-09-08 1998-12-24 Witzenmann GmbH Metallschlauch-Fabrik Pforzheim, 75175 Pforzheim Kraftstoffkühler
US6293335B1 (en) * 1999-06-24 2001-09-25 Aquacal, Inc. Method and apparatus for optimizing heat transfer in a tube and shell heat exchanger
CN2404087Y (zh) * 2000-01-26 2000-11-01 淮阴辉煌太阳能有限公司 装配式螺旋套管热交换器
US20050133202A1 (en) * 2001-11-09 2005-06-23 Aalborg Industries A/S Heat exchanger, combination with heat exchanger and method of manufacturing the heat exchanger

Also Published As

Publication number Publication date
PT1672304E (pt) 2007-09-27
MX2007007366A (es) 2007-08-20
IL183988A0 (en) 2007-10-31
ES2289419T3 (es) 2008-02-01
KR20070094792A (ko) 2007-09-21
US20070295493A1 (en) 2007-12-27
EP1672304A1 (de) 2006-06-21
WO2006063840A1 (de) 2006-06-22
MA29102B1 (fr) 2007-12-03
CN101080605A (zh) 2007-11-28
TNSN07230A1 (en) 2008-11-21
JP2008524543A (ja) 2008-07-10
WO2006063840A8 (de) 2007-10-18
DE502004004210D1 (de) 2007-08-09
ATE365900T1 (de) 2007-07-15
ZA200705222B (en) 2008-05-28
BRPI0519525A2 (pt) 2009-02-10
CA2590569A1 (en) 2006-06-22
AU2005315782A1 (en) 2006-06-22
RU2007127415A (ru) 2009-01-27
PL1672304T3 (pl) 2007-11-30

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