EP0729001B1 - Wärmeübertrager - Google Patents
Wärmeübertrager Download PDFInfo
- Publication number
- EP0729001B1 EP0729001B1 EP96102422A EP96102422A EP0729001B1 EP 0729001 B1 EP0729001 B1 EP 0729001B1 EP 96102422 A EP96102422 A EP 96102422A EP 96102422 A EP96102422 A EP 96102422A EP 0729001 B1 EP0729001 B1 EP 0729001B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- tubes
- ring
- heat exchanger
- central tube
- gas
- 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
Links
- 239000007788 liquid Substances 0.000 claims description 12
- 239000011888 foil Substances 0.000 claims description 10
- 230000007704 transition Effects 0.000 claims description 5
- 238000004804 winding Methods 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims 8
- 239000011810 insulating material Substances 0.000 claims 1
- 239000007789 gas Substances 0.000 description 28
- 238000005192 partition Methods 0.000 description 6
- 239000012808 vapor phase Substances 0.000 description 6
- 239000000243 solution Substances 0.000 description 5
- 239000007791 liquid phase Substances 0.000 description 4
- 239000012071 phase Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Images
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
- F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D9/04—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being formed by spirally-wound plates or laminae
-
- 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
- F28D7/16—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 in parallel spaced relation
- F28D7/163—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 in parallel spaced relation with conduit assemblies having a particular shape, e.g. square or annular; with assemblies of conduits having different geometrical features; with multiple groups of conduits connected in series or parallel and arranged inside common casing
- F28D7/1669—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 in parallel spaced relation with conduit assemblies having a particular shape, e.g. square or annular; with assemblies of conduits having different geometrical features; with multiple groups of conduits connected in series or parallel and arranged inside common casing the conduit assemblies having an annular shape; the conduits being assembled around a central distribution tube
-
- 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
- F28F9/22—Arrangements for directing heat-exchange media into successive compartments, e.g. arrangements of guide plates
-
- 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
- F28F9/22—Arrangements for directing heat-exchange media into successive compartments, e.g. arrangements of guide plates
- F28F2009/222—Particular guide plates, baffles or deflectors, e.g. having particular orientation relative to an elongated casing or conduit
- F28F2009/224—Longitudinal partitions
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S165/00—Heat exchange
- Y10S165/355—Heat exchange having separate flow passage for two distinct fluids
- Y10S165/40—Shell enclosed conduit assembly
- Y10S165/401—Shell enclosed conduit assembly including tube support or shell-side flow director
- Y10S165/405—Extending in a longitudinal direction
- Y10S165/406—Helically or spirally shaped
Definitions
- the invention relates to a heat exchanger for small liquid and Large gas / steam volume flows with a cylindrical outer jacket as a pressure body preferably using straight, externally finned or laminated pipes with cross flow and cross-counter flow guidance of the heat exchanging Currents.
- Such heat exchangers can be used, for example, for heating Air and technical gases including the use of the cold supply of Gas / steam flows, for the use of waste heat flows with small temperature differences under countercurrent conditions or for cooling liquids due to cold air or refrigerant vapors.
- a heat exchanger (patent no. DD 218 167 B1) is known in which the inlet and outlet Exit of the gas / vapor phase in a subdivided central pipe without nozzle on cylindrical outer jacket takes place, with a thermal in the central tube insulating partition is installed.
- the cross-countercurrent between a liquid volume flow and a very large one Gas / steam volume flow realized, the gas / steam volume flow one Flows through a single channel from 0 ° to 360 ° or double flow from 0 ° to 180 ° and is then withdrawn again on the outlet side of the central tube.
- the Ribbed pipes lie exactly across the gas / steam flow and allow the multi-flow on the liquid side with cross-counterflow guidance of the heat exchanging media.
- this principle is very large Gas / steam quantities instructed. It is not for smaller amounts of gas / steam possible to compact devices with high heat exchange area density shape.
- the invention has for its object a heat exchanger with cross-countercurrent guidance of heat exchanging flows for moderately large gas / steam volumes and to carry out small to very small liquid volume flows in such a way that large temperature increases or decreases in the flowing media can be realized are with minimal pressure losses on the gas side and both the pressure bearing
- the surface and the surface to be sealed are kept to a minimum Manufacturing costs significantly reduced compared to conventional solutions and with sufficient freedom in the design of the flow cross-sections for the Liquid phase the density of the heat-exchanging surface is increased.
- the object is achieved by a heat exchanger for small liquid and large gas / vapor volume flows, with a central tube, a cylindrical Outer jacket as a pressure body and in the annular space between the central tube and the outer jacket arranged tubes, solved such that the annular space between the central tube and Outer jacket through cylinder jackets arranged concentrically around the central tube a plurality of concentric ring channels is divided by partitions that both the central tube with the innermost cylinder jacket and the successive ones Connect cylinder jackets to each other, and through openings between the Central tube and the innermost ring channel and between the successive Ring channels are connected such that the gas / steam volume flows from the central tube in the innermost ring channel and after each ring-shaped flow through a ring channel pass into the subsequent ring channel, and that those arranged in the ring channels Pipes on the front of the heat exchanger so connected that the Liquid flows when flowing through the pipes in cross-counterflow Gas / vapor phase is carried in the ring channels.
- the solution according to the invention can both with a row of tubes per ring channel can also be realized with several rows of pipes.
- the ratio of the volume flows of the available gas / steam quantity to the Amounts of liquid are crucial.
- the partitions of the Ring channels not from solid walls but from smooth, insulating foils formed over the e.g. finned tubes are wrapped tightly on these and an outside play-free design of the ring channels to the heat exchange tubes and thus improved conditions for heat transfer offer, the insulating release film at its ends in e.g. metallic Clamped rails or profiles and the external clamping of the release film is connected to a fixed clamping profile by means of springs and by winding the release film with low pressure loss transitions between the Ring channels are created which make separate partitions unnecessary.
- the proposed heat exchanger is characterized by concentrically arranged ring channels 1, which are formed by a central tube 6 and concentrically arranged cylinder jackets 2 or separating foils 16 between two tube sheets 3 and 4.
- tubes 5 with ribs or fins are fitted in the axial direction.
- the inflow through a gas / vapor phase (higher volume flow) preferably takes place through the central tube 6 and the outflow via a collector 7.
- the concentrically arranged cylinder jackets 2 are open at the end of the ring channel 1 to the ring channel above it. Via these openings 8, the gas / vapor phase on the outside of the finned or laminated pipes 5 passes into the respective subsequent ring channel 1 when an approximately full circular path has been completed through this medium.
- insulating separating foils 16 are used, this is preferably wound undivided from ring channel 1 to ring channel 1 over the enlarged tube outer surfaces (ribs, fins), which each form the channel end with the partition wall 14 and thus the openings 8 at the transition to the next channel.
- the end of the film 16 is clamped into the longitudinal profiles of a film tensioner 18, which is guided over two guide angles 19 and is held in tension by means of tension springs 20.
- the clamping profile 21 serves both as a fixed point of the spring and for guiding the film 16.
- Concentric deflection chambers 13 of the end chambers 11 and 12 are radial
- the liquid phase passes into the following concentric deflection space 13 Transition openings 15 or via nozzle 10 to the outside.
- the deflection rooms 13 are formed by chamber webs 17 which can be placed variably.
- the number of Ring channels 1 and the tubes 5 is not limited.
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Geometry (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Description
- Fig. 1
- einen Axialschnitt durch den erfindungsgemäßen Wärmeübertrager mit drei konzentrisch angeordneten Ringkanälen;
- Fig. 2
- einen Radialschnitt durch den gas-/dampfdurchströmten Teil des
erfindungsgemäßen Wärmeübertragers mit gleichsinniger Strömungsrichtung
im Ringkanal;
(Die berippten oder lamellierten Rohre sind in Fig. 2 nicht dargestellt.) - Fig. 3
- einen Schnitt durch die Endkammer des erfindungsgemäßen Wärmeübertragers mit drei konzentrisch angeordneten Ringkanälen, wobei drei Rohre zu einem Zug für die Flüssigkeit zusammengefaßt sind;
- Fig. 4
- eine technische Lösung für die Befestigung des äußeren Endes der Trennfolie mit Darstellung der Gasübertritte bei Verwendung von Trennfolien.
Für das faltenfreie Anliegen der Folie 16 an den Rohren 5 wird das Ende der Folie 16 in Längsprofile eines Folienspanners 18 eingespannt, der über zwei Führungswinkel 19 geführt und über Spannfedern 20 dehnungsweich auf Spannung gehalten wird. Das Spannprofil 21 dient dabei sowohl als Festpunkt der Feder als auch zur Führung der Folie 16.
Claims (5)
- Wärmeübertrager für kleine Flüssigkeits- und große Gas-/Dampfvolumenströme, mit einem Zentralrohr (6), einem zylindrischen Außenmantel als Druckkörper und im Ringraum zwischen Zentralrohr (6) und Außenmantel angeordneten Rohren (5), dadurch gekennzeichnet,
daß der Ringraum zwischen Zentralrohr (6) und Außenmantel durch konzentrisch um das Zentralrohr (6) angeordnete Zylindermäntel (2) in eine Mehrzahl von konzentrischen Ringkanälen (1) unterteilt ist, die durch Trennwände (14), die sowohl das Zentralrohr (6) mit dem innersten Zylindermantel als auch die aufeinanderfolgenden Zylindermäntel jeweils untereinander verbinden, und durch Öffnungen (8) zwischen dem Zentralrohr (6) und dem innersten Ringkanal sowie jeweils zwischen den aufeinanderfolgenden Ringkanälen (1) derart verbunden sind, daß die Gas-/Dampf-Volumenströme vom Zentralrohl (6) in den innersten Ringkanal und nach jeweils ringförmiger Durchströmung eines Ringkanals (1) in den nachfolgenden Ringkanal übertreten, und daß die in den Ringkanälen (1) angeordneten Rohre (5) an den Stirnseiten des Wärmeübertragers so miteinander in Verbindung stehen, daß die Flüssigkeitsströme bei der Durchströmung der Rohre (5) im Kreuz-Gegenstrom zur Gas-/Dampfphase in den Ringkanälen (1) geführt wird. - Wärmeübertrager nach Anspruch 1, gekennzeichnet dadurch, daß die Trennwände (14) zwischen den Ringkanälen (1) jeweils nach einer annähernd vollen Kreisbahn im Ringkanal schräg eingefügt sind oder daß durch eine vorzugsweise ungeteilte isolierende Trennfolie (16), die über die Außenkonturen der wärmeübertragenden Rohre (5) gewickelt ist, Trennwände (14) gebildet werden und gleichzeitig die Öffnungen (8) durch Übergang der Trennfolie (16) zum nächsten Ringkanal entstehen.
- Wärmeübertrager nach Anspruch 1 bis 2, gekennzeichnet dadurch, daß die Zylindermäntel (2) ein- oder mehrschichtig ausgebildet sind und/oder aus thermisch dämmendem Material bestehen.
- Wärmeübertrager nach Anspruch 1 bis 3, gekennzeichnet dadurch, daß die Rohre (5) auf der Außenseite mit oberflächenvergrößernden Mitteln versehen sind.
- Wärmeübertrager nach Anspruch 2 mit Trennwänden (2) durch Aufwickeln von isolierenden Trennfolien (16), gekennzeichnet dadurch, daß die Trennfolie (16) am äußeren Ende im Folienspanner (18) eingespannt und dieser über Federn (20) mit einem fest angeordneten Spannprofil (21) verbunden ist, wobei das Spannprofil (21) gleichzeitig die Führung der Trennfolie (16) zum Hüllkreis der äußeren Rohrreihe übernimmt.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19505746 | 1995-02-20 | ||
| DE19505746 | 1995-02-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0729001A1 EP0729001A1 (de) | 1996-08-28 |
| EP0729001B1 true EP0729001B1 (de) | 1999-09-01 |
Family
ID=7754487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP96102422A Expired - Lifetime EP0729001B1 (de) | 1995-02-20 | 1996-02-17 | Wärmeübertrager |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US5690169A (de) |
| EP (1) | EP0729001B1 (de) |
| DE (1) | DE19601579C2 (de) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19650086C1 (de) * | 1996-12-03 | 1998-03-12 | Hans Dr Ing Foerster | Wärmeübertrager |
| US6772830B1 (en) * | 1999-07-21 | 2004-08-10 | Stone & Webster, Inc. | Enhanced crossflow heat transfer |
| DE10151787C2 (de) * | 2001-10-19 | 2003-09-25 | Daimler Chrysler Ag | Vorrichtung zum Wärmetausch und zur autothermen Reformierung |
| DE10303595B4 (de) * | 2003-01-30 | 2005-02-17 | Visteon Global Technologies, Inc., Dearborn | Mehrkanal-Wärmeübertrager- und Anschlusseinheit |
| DE102005043936B4 (de) * | 2005-09-15 | 2008-08-21 | Förster, Hans, Dr. Ing. | Wärmeübertrager mit innenberippten Rohren |
| DE102007058334B3 (de) * | 2007-12-04 | 2008-12-04 | Förster, Hans, Dr.-Ing. | Wärmeübertrager mit innenberippten Rohren in mehrgängiger Ausführung bei Gegenstrom der Fluide für kleine und mittlere Durchsätze |
| WO2009089460A2 (en) * | 2008-01-09 | 2009-07-16 | International Mezzo Technologies, Inc. | Corrugated micro tube heat exchanger |
| US8177932B2 (en) | 2009-02-27 | 2012-05-15 | International Mezzo Technologies, Inc. | Method for manufacturing a micro tube heat exchanger |
| CN103486896B (zh) * | 2013-07-30 | 2015-05-27 | 杭州三花微通道换热器有限公司 | 集流管组件和具有该集流管组件的换热器 |
| CN109141076A (zh) * | 2018-10-10 | 2019-01-04 | 上海尚实能源科技有限公司 | 一种换热器 |
| IT202100022496A1 (it) | 2021-08-30 | 2023-03-02 | Isola Res Lab S R L | Sistema per il riscaldamento di vivande ed alimenti in genere |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE218167C (de) * | ||||
| US1469193A (en) * | 1922-08-26 | 1923-09-25 | Sims Company | Reversible heating or cooling apparatus |
| DE668647C (de) * | 1935-11-24 | 1938-12-07 | Rheinmetall Borsig Akt Ges Wer | Rohrbuendelwaermeaustauscher fuer gasfoermige und fluessige Mittel |
| GB505127A (en) * | 1937-11-12 | 1939-05-05 | Frederick Heather | Apparatus for separating oil and other liquids from gases |
| GB865997A (en) * | 1958-04-24 | 1961-04-26 | Ver Economiser Werke G M B H | Heat exchanger |
| GB1203233A (en) * | 1967-10-10 | 1970-08-26 | Xflo Heat Exchangers Ltd | Improvements in or relating to heat exchangers |
| US4858681A (en) * | 1983-03-28 | 1989-08-22 | Tui Industries | Shell and tube heat exchanger |
| DD218167B1 (de) * | 1983-08-09 | 1987-06-17 | Bernvard Thurow | Waermeuebertrager mit zentralrohr |
| DE3404374A1 (de) * | 1984-02-08 | 1985-08-14 | W. Schmidt GmbH & Co KG, 7518 Bretten | Spiralwaermetauscher |
| DD227788A1 (de) * | 1984-06-18 | 1985-09-25 | Schwermasch Liebknecht Veb K | Rohrbuendelwaermeuebertrager mit zentralrohr |
| GB8823229D0 (en) * | 1988-10-04 | 1988-11-09 | Pyroban Ltd | Heat exchanger |
| DD291823A5 (de) * | 1990-02-06 | 1991-07-11 | Veb Schwermaschinenbau "Karl Liebknecht" Magdeburg,De | Ringstromwaermeuebertrager mit mehreren ringbahnstufen |
| DD291825A5 (de) * | 1990-02-06 | 1991-07-11 | Schwermaschinenbau "K. Liebknecht" Magdeburg,De | Abwaermeuebertragungseinrichtung mit abscheide- und puffereinrichtung in einem gemeinsamen apparategehaeuse fuer gasverdichtungsanlagen |
| DD291824A5 (de) * | 1990-02-06 | 1991-07-11 | Schwermaschinenbau "K. Liebknecht" Magdeburg,De | Gaskuehlereinrichtung der ringstrombauart |
-
1996
- 1996-01-18 DE DE19601579A patent/DE19601579C2/de not_active Expired - Fee Related
- 1996-02-17 EP EP96102422A patent/EP0729001B1/de not_active Expired - Lifetime
- 1996-02-20 US US08/603,213 patent/US5690169A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| DE19601579C2 (de) | 1997-12-18 |
| DE19601579A1 (de) | 1996-08-22 |
| EP0729001A1 (de) | 1996-08-28 |
| US5690169A (en) | 1997-11-25 |
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