EP1979699A1 - Rohrbündel-wärmetauscher - Google Patents
Rohrbündel-wärmetauscherInfo
- Publication number
- EP1979699A1 EP1979699A1 EP07702370A EP07702370A EP1979699A1 EP 1979699 A1 EP1979699 A1 EP 1979699A1 EP 07702370 A EP07702370 A EP 07702370A EP 07702370 A EP07702370 A EP 07702370A EP 1979699 A1 EP1979699 A1 EP 1979699A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- tube
- transition piece
- tube plate
- heat exchanger
- oval
- 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.)
- Granted
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
- F28D7/10—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
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/003—Multiple wall conduits, e.g. for leak detection
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/006—Tubular elements; Assemblies of tubular elements with variable shape, e.g. with modified tube ends, with different geometrical features
-
- 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
- F28F9/02—Header boxes; End plates
- F28F9/04—Arrangements for sealing elements into header boxes or end plates
- F28F9/16—Arrangements for sealing elements into header boxes or end plates by permanent joints, e.g. by rolling
- F28F9/18—Arrangements for sealing elements into header boxes or end plates by permanent joints, e.g. by rolling by welding
- F28F9/182—Arrangements for sealing elements into header boxes or end plates by permanent joints, e.g. by rolling by welding the heat-exchange conduits having ends with a particular shape, e.g. deformed; the heat-exchange conduits or end plates having supplementary joining means, e.g. abutments
-
- 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
- F28F9/02—Header boxes; End plates
- F28F9/04—Arrangements for sealing elements into header boxes or end plates
- F28F9/16—Arrangements for sealing elements into header boxes or end plates by permanent joints, e.g. by rolling
- F28F9/18—Arrangements for sealing elements into header boxes or end plates by permanent joints, e.g. by rolling by welding
- F28F9/185—Arrangements for sealing elements into header boxes or end plates by permanent joints, e.g. by rolling by welding with additional preformed parts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2275/00—Fastening; Joining
- F28F2275/06—Fastening; Joining by welding
- F28F2275/067—Fastening; Joining by welding by laser welding
Definitions
- the invention relates to a tube bundle heat exchanger with tubes which are held on both sides in tube plates or oval tube collector tube plates and connected thereto by means of weld, for cooling a guided through the tubes hot gas flow through a surrounding the tubes coolant, comprising at least one gas inlet chamber from which the hot gas stream is introduced into the individual tubes and which is bounded on one side by the input tube plate or oval tube collector tube plate and at least one gas outlet chamber in which the gas flow passed through the tubes is collected and removed and on one side is limited by the output side tube plate or oval tube collector tube plate.
- heat exchangers for the cooling of gases in numerous process engineering plants, such as.
- gasification plants, thermal and catalytic cracking systems, steam reforming plants, etc. are usually heat exchangers, in particular shell and tube heat exchanger (cooler) used, in which the gases to be cooled flow through straight tubes and thereby the latent heat of the hot gas over the pipe wall to the surrounding medium surrounding the pipes, in particular cooling medium.
- heat exchangers characteristic of such heat exchangers is that the gases to be cooled are often under a high pressure and a high temperature and enter the straight tubes of the heat exchanger at a high speed.
- a high heat flux density is achieved at the tube inlet or the first tube section, which cause both a high temperature and a high thermal stress in the tubes of the heat exchanger or in the connection tube plate - tube.
- the gas-carrying pipes are welded into the tube plates, wherein the weld between the tube plate and tube is mounted either on the outer or inner wall of the tube plate or within the tube plate opening.
- the document DE 37 15 713 C2 has, for example a welded joint of the pipe or pipes with the outer wall of the tube plate or the oval tube header tube plate.
- the disadvantage of this known embodiment is that the gas facing contour or surface of the transition from tube to tube plate or oval tube collector tube plate has no exact aerodynamic shape.
- the use of an inserted sleeve is usually for several different reasons, i.a. a narrowing of the gas-side cross-section and insufficient cooling of the sleeve, undesirable.
- the object of the present invention is to provide a tube bundle heat exchanger in which the aforementioned disadvantages are avoided or the transition from the tube plate or the oval tube header tube plate to the tubes on the gas side has a streamlined contour and on the cooling medium side and the gas side no disturbing elements are present.
- connection of the tubes with the input tube plate or oval tube collector tube plate is formed in each case by means of a conical and / or trumpet-shaped transition piece whose cross-section decreases seen in the gas flow direction, that seen in the gas flow direction input end of the transition piece jerky is connected to the tube plate or oval tube header tube plate and the inner and outer contours of the transition piece and the Sch mentionharms Schemees to the tube plate or oval tube collector tube plate gap and edge free and straight and / or formed with an add on the outer contour radius of equal to or greater than 5 mm ,
- the transition from tube plate or oval tube collector tube plate to the pipes is aerodynamically designed so that the entry of the gas into the tubes is highly turbulence-free and temperature peaks in the entrance area can be reduced.
- the length Lu of the transition piece is at least 1.5 times the inner diameter di of the heat exchanger tube and / or the inner diameter Di of the transition piece at the inlet thereof at least 1.2 times the inner diameter di of the heat exchanger tube by one to achieve optimized aerodynamic transition of the tube plate or the oval tube collector tube plate to the respective heat exchanger tubes.
- the transition piece is formed from a separate pipe part and seen in the gas flow direction output end of the transition piece is jerkily connected to the pipe by a weld.
- a separate pipe part complicated transition pieces (for example, several different transition radii) can be made much easier and cheaper in their shape become.
- the pipe part used as a transition piece is designed as a forging.
- FIG. 2 shows a detail section of the transition from tube plate to tube according to detail "A" from FIG. 1,
- FIG. 5 is a detail section of the transition of an oval tube collector tube plate to a tube.
- FIG. 1 shows a tube bundle heat exchanger 1 shown schematically in longitudinal section.
- Such tube bundle heat exchanger 1 are used in numerous process engineering systems, such. As gasification plants, thermal and catalytic crackers, steam reforming plants, etc., required, in which a process gas, an exhaust gas or the like. Is produced.
- the tube bundle heat exchanger 1 is generally used for cooling the aforementioned hot gas 18, which is introduced through a line not shown in the gas inlet chamber 8 of the heat exchanger 1 and passed from here through a plurality of straight tubes 2, then in the gas outlet chamber 9 of the Heat exchanger 1 is collected and discharged by means not shown line from the heat exchanger 1.
- the tubes 2, through which an indirect heat exchange takes place with a surrounding the tubes 2 cooling medium 19, are each spaced from each other between two tube plates 3, 4 or oval tube-collector tube plates 5, 6 and with these fixed and gas-tight - usually welded - connected.
- the inlet side end 16 of the transition piece 10 seen in the gas flow direction is jerkily connected to the tube plate 3 or oval tube header tube plate 5 and the inner and outer contours 1 1, 12 of the transition piece 10 and the Sch relieharms Schemees 13 to the tube plate 3 or oval tube collector tube plate 5 gap. and edge-free as well as straight and / or with an attaching to the outer contour 12 radius, which is at least 5 mm formed.
- the inventive design of the transition of tube plate 3 and of oval tube header tube plate 5 on the tube 2 an aerodynamic contour 1 1, 12 creates both on the gas-contacting as well as on the coolant-contacting side of the tubes 2, the transition piece 10 and the tube plate 3 or oval tube collector tube plate 5, which at any point has a column, an edge or an angular transition. All transitions including the weld connection region 13 on the inner and outer contour 1 1, 12 are therefore according to the invention either straight or flat and / or formed with a radius.
- the transition piece 10 is, for example, mechanically expanded end 16 of the tube 2.
- the weld joint region 13 between tube 2 and tube plate 3, 5th forms.
- Figure 3 and 4 has a transition piece 10, which consists of a separate tube member 15 and is usually easier to manufacture, since the tube member 15 is compared to the entire tube 2 is much shorter and thus easier to handle.
- a further weld seam 22 is required, which forms the weld joint region 14 between the pipe 2 and the pipe part 15.
- This weld joint region 14 is advantageously formed either on the inner as well as on the outer contour 1 1, 12 either straight or flat and / or with a radius, i. the area 14 is edge and gap free.
- the transition pieces 10 according to the figures 2 to 5 have at its input end 16, based on the outer contour 12 of the transition pieces 10, for example, a radius R 1 of 5 mm.
- a further radius R 2 of, for example, 60 mm follows this, whereas in the transition piece 10 according to FIG. 4 the first radius is followed by a conical constriction with a subsequent radius of, for example, 20 mm.
- the inner contour 1 1 of the transition pieces 10 according to Figures 2 and 5 then has corresponding radii, which are greater by the wall thickness s of the transition piece 10.
- the transition between the two wall thicknesses s and t is within the weld connection area 13 According to the invention either straight or flat and / or formed with a radius.
- a different wall thickness t of the tube plate 3, 5 with respect to the wall thickness s of the tube 2 can be compensated according to Figures 3 and 4 with a designed as a tubular member 15 transition piece 10 by the respective wall thicknesses at the tube ends of the tubular member 15 to the wall thicknesses t and s the tube plate 3, 5 and the tube 2 are adjusted. That is, seen in the gas flow direction, within the pipe section 15, the wall thickness t is continuously reduced or increased to the wall thickness s.
- the tube part 15 may advantageously be formed as a forged piece.
- the length L 1 of the transition piece 10 is advantageously 1.5 times the inner diameter di of the tube 2 and the inner diameter Di of the transition piece 10 directly at the entry into the transition piece 10 is advantageously 1.2 times the inner diameter di of the tube 2.
- FIG. 4 instead of a trumpet-shaped transition piece 10 has a cone-shaped transition piece 10, which in turn is formed from a separate tube part 15. Again, the pipe member 15 is connected by two welds 7, 22 with the tube plate 3 and the tube 2.
- FIG. 5 shows a shell-and-tube heat exchanger 1 with double tubes 2, 21, in which the cooling medium 19 circulates in the annular cross-section between inner tube 2 and outer tube 21.
- the cooling medium 19 leading outer tubes 21 of the otherwise, and as shown in Figure 1 required heat exchanger outer jacket 23 is unnecessary.
- the cooling medium 1 9 is supplied to and removed from the space inside the outer jacket 23 and the tube plates 3, 5 and A 1 6, the cooling medium 19 according to FIG. 5 is fed by means of oval tube collectors 20. or dissipated.
- the compound of the transition piece 10 according to the invention takes place in this case with the oval tube collector tube plate. 5
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)
- Lubricants (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Details Of Heat-Exchange And Heat-Transfer (AREA)
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102006003317A DE102006003317B4 (de) | 2006-01-23 | 2006-01-23 | Rohrbündel-Wärmetauscher |
| PCT/DE2007/000089 WO2007082515A1 (de) | 2006-01-23 | 2007-01-19 | Rohrbündel-wärmetauscher |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1979699A1 true EP1979699A1 (de) | 2008-10-15 |
| EP1979699B1 EP1979699B1 (de) | 2009-04-01 |
Family
ID=37989169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP07702370A Active EP1979699B1 (de) | 2006-01-23 | 2007-01-19 | Rohrbündel-wärmetauscher |
Country Status (11)
| Country | Link |
|---|---|
| US (2) | US9534850B2 (de) |
| EP (1) | EP1979699B1 (de) |
| JP (1) | JP2009524004A (de) |
| CN (1) | CN101371097B (de) |
| AT (1) | ATE427470T1 (de) |
| AU (1) | AU2007207217B2 (de) |
| DE (2) | DE102006003317B4 (de) |
| DK (1) | DK1979699T3 (de) |
| ES (1) | ES2324500T3 (de) |
| WO (1) | WO2007082515A1 (de) |
| ZA (1) | ZA200806306B (de) |
Families Citing this family (32)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006003317B4 (de) * | 2006-01-23 | 2008-10-02 | Alstom Technology Ltd. | Rohrbündel-Wärmetauscher |
| US7995151B2 (en) | 2006-11-01 | 2011-08-09 | Level 3 Communications, Llc | Broadcast method and system |
| US8009236B2 (en) | 2006-11-01 | 2011-08-30 | Level 3 Communications, Llc | Broadcast transmission relay circuit |
| US9557119B2 (en) | 2009-05-08 | 2017-01-31 | Arvos Inc. | Heat transfer sheet for rotary regenerative heat exchanger |
| CN101799253A (zh) * | 2010-03-18 | 2010-08-11 | 王子异 | 一种具有密封盖板结构的热交换器 |
| WO2011135946A1 (ja) | 2010-04-28 | 2011-11-03 | ダイキン工業株式会社 | 熱交換装置及びこれに用いる連絡管 |
| US9200855B2 (en) * | 2012-03-06 | 2015-12-01 | Honeywell International Inc. | Tubular heat exchange systems |
| US9127553B2 (en) * | 2012-04-13 | 2015-09-08 | General Electric Company | Method, systems, and apparatuses for transition piece contouring |
| US9200853B2 (en) | 2012-08-23 | 2015-12-01 | Arvos Technology Limited | Heat transfer assembly for rotary regenerative preheater |
| JP6132130B2 (ja) * | 2012-11-30 | 2017-05-24 | 株式会社ノーリツ | 熱交換器の製造方法 |
| US10537089B2 (en) * | 2013-02-06 | 2020-01-21 | The Curators Of The University Of Missouri | Waste heat recovery systems and methods for a livestock barn |
| DK177774B1 (en) | 2013-04-11 | 2014-06-23 | Spx Flow Technology Danmark As | HYGIENIC HEAT EXCHANGE AND METHOD FOR PREPARING A HYGIENIC HEAT EXCHANGE |
| US9127403B2 (en) * | 2013-05-28 | 2015-09-08 | Andritz Inc. | Flash tank with flared inlet insert and method for introducing flow into a flash tank |
| US9752835B2 (en) | 2013-06-06 | 2017-09-05 | Honeywell International Inc. | Unitary heat exchangers having integrally-formed compliant heat exchanger tubes and heat exchange systems including the same |
| US9764435B2 (en) | 2013-10-28 | 2017-09-19 | Honeywell International Inc. | Counter-flow heat exchange systems |
| US10175006B2 (en) | 2013-11-25 | 2019-01-08 | Arvos Ljungstrom Llc | Heat transfer elements for a closed channel rotary regenerative air preheater |
| US10048009B2 (en) * | 2014-04-16 | 2018-08-14 | Enterex America LLC | Heat exchanger tube with concave-shaped end and method of manufacturing a heat exchanger tube with concave-shaped end |
| CN104370005A (zh) * | 2014-11-05 | 2015-02-25 | 东港市华宇精密铸造有限公司 | 一种储油罐加热管分散器 |
| CN104764348B (zh) * | 2015-03-19 | 2016-10-05 | 南京华电节能环保设备有限公司 | 气力输送固体颗粒换热器 |
| WO2016172289A1 (en) * | 2015-04-21 | 2016-10-27 | Ti Group Automotive Systems, Llc | Fuel filter housing |
| US10094626B2 (en) | 2015-10-07 | 2018-10-09 | Arvos Ljungstrom Llc | Alternating notch configuration for spacing heat transfer sheets |
| DE102015013517A1 (de) * | 2015-10-20 | 2017-04-20 | Borsig Gmbh | Wärmeübertrager |
| WO2018129309A1 (en) * | 2017-01-06 | 2018-07-12 | Bechtel Oil, Gas & Chemicals, Inc. | Branch fitting for reducing stress caused by acoustic induced vibration |
| CN106679467B (zh) * | 2017-02-28 | 2019-04-05 | 郑州大学 | 具有外接管箱的管壳式换热器 |
| CN106855367B (zh) * | 2017-02-28 | 2024-01-26 | 郑州大学 | 具有分布性出入口的管壳式换热器 |
| KR102343408B1 (ko) * | 2017-11-17 | 2021-12-27 | 주식회사 엘지화학 | 열 교환기 |
| US11519670B2 (en) | 2020-02-11 | 2022-12-06 | Airborne ECS, LLC | Microtube heat exchanger devices, systems and methods |
| EP3964322B1 (de) | 2020-09-04 | 2023-01-18 | ALFA LAVAL OLMI S.p.A. | Vorrichtung und verfahren zur wiederherstellung der rohr-rohrboden-schweissverbindungen in einem rohrbündelwärmetauscher |
| EP4102166A1 (de) | 2021-06-08 | 2022-12-14 | Basell Polyolefine GmbH | Wärmetauscher für gasphasenpolymerisierung |
| US12416453B1 (en) | 2021-07-22 | 2025-09-16 | Intergalactic Spaceworx, LLC | Heat exchange header with refrigerant distribution by capillary wicking porous insert |
| DE102021215093A1 (de) * | 2021-12-30 | 2023-07-06 | Robert Bosch Gesellschaft mit beschränkter Haftung | Wärmeübertrager, Wasseraufbereitungsanlage, Wärmepumpe |
| CN116294699A (zh) * | 2023-03-28 | 2023-06-23 | 天华院(南京)智能制造有限公司 | 一种扁圆管急冷换热器 |
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- 2007-01-19 DE DE502007000563T patent/DE502007000563D1/de active Active
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- 2007-01-19 CN CN2007800028679A patent/CN101371097B/zh active Active
- 2007-01-19 AU AU2007207217A patent/AU2007207217B2/en active Active
- 2007-01-19 EP EP07702370A patent/EP1979699B1/de active Active
- 2007-01-19 US US12/087,444 patent/US9534850B2/en active Active
- 2007-01-19 DK DK07702370T patent/DK1979699T3/da active
- 2007-01-19 ES ES07702370T patent/ES2324500T3/es active Active
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2008
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2016
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2007082515A1 (de) | 2007-07-26 |
| EP1979699B1 (de) | 2009-04-01 |
| US20170074593A1 (en) | 2017-03-16 |
| US9534850B2 (en) | 2017-01-03 |
| ATE427470T1 (de) | 2009-04-15 |
| DE102006003317B4 (de) | 2008-10-02 |
| US10914527B2 (en) | 2021-02-09 |
| DK1979699T3 (da) | 2009-06-29 |
| DE502007000563D1 (de) | 2009-05-14 |
| US20090065185A1 (en) | 2009-03-12 |
| ZA200806306B (en) | 2009-05-27 |
| AU2007207217A1 (en) | 2007-07-26 |
| ES2324500T3 (es) | 2009-08-07 |
| DE102006003317A1 (de) | 2007-08-02 |
| CN101371097A (zh) | 2009-02-18 |
| CN101371097B (zh) | 2011-10-05 |
| JP2009524004A (ja) | 2009-06-25 |
| AU2007207217B2 (en) | 2010-04-29 |
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