EP0080742A2 - Echangeur de chaleur avec plusieurs faisceaux - Google Patents

Echangeur de chaleur avec plusieurs faisceaux Download PDF

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Publication number
EP0080742A2
EP0080742A2 EP82201225A EP82201225A EP0080742A2 EP 0080742 A2 EP0080742 A2 EP 0080742A2 EP 82201225 A EP82201225 A EP 82201225A EP 82201225 A EP82201225 A EP 82201225A EP 0080742 A2 EP0080742 A2 EP 0080742A2
Authority
EP
European Patent Office
Prior art keywords
tube
transfer medium
bundles
heat exchanger
heat transfer
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
Application number
EP82201225A
Other languages
German (de)
English (en)
Other versions
EP0080742B1 (fr
EP0080742A3 (en
Inventor
Werner Graf
August Haeni
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.)
BBC Brown Boveri AG Switzerland
Original Assignee
BBC Brown Boveri AG Switzerland
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 BBC Brown Boveri AG Switzerland filed Critical BBC Brown Boveri AG Switzerland
Publication of EP0080742A2 publication Critical patent/EP0080742A2/fr
Publication of EP0080742A3 publication Critical patent/EP0080742A3/de
Application granted granted Critical
Publication of EP0080742B1 publication Critical patent/EP0080742B1/fr
Expired 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
    • F28D7/0066—Multi-circuit heat-exchangers, e.g. integrating different heat exchange sections in the same unit or heat-exchangers for more than two fluids
    • F28D7/0083—Multi-circuit heat-exchangers, e.g. integrating different heat exchange sections in the same unit or heat-exchangers for more than two fluids with units having particular arrangement relative to a supplementary heat exchange medium, e.g. with interleaved units or with adjacent units arranged in common flow of supplementary heat exchange medium
    • F28D7/0091—Multi-circuit heat-exchangers, e.g. integrating different heat exchange sections in the same unit or heat-exchangers for more than two fluids with units having particular arrangement relative to a supplementary heat exchange medium, e.g. with interleaved units or with adjacent units arranged in common flow of supplementary heat exchange medium the supplementary medium flowing in series through the units
    • 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
    • F28D7/0058—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 for only one medium being tubes having different orientations to each other or crossing the conduit for the other heat exchange medium
    • 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
    • F28F9/0236—Header boxes; End plates floating elements
    • F28F9/0241—Header boxes; End plates floating elements floating end plates
    • 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
    • F28D2021/008—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for vehicles
    • F28D2021/0082—Charged air coolers

Definitions

  • Heat exchanger with at least two tube bundles, the tubes of which a liquid heat transfer medium flows and a gaseous heat transfer medium flows in a cross-countercurrent, the tube ends being arranged on both sides in tube plates delimited by liquid chambers, and the liquid heat transfer medium being supplied to the at least two tube bundles with different temperature levels .
  • Such heat exchangers are used, for example, as charge air coolers for supercharged internal combustion engines. If these are diesel engines for ship drives, for example, sea water or river water is generally used as the liquid heat carrier - here as a coolant. In the interest of optimal energy exploitation, engine operators often insist on the additional use of existing hot water as a coolant. In such cases, the charge air cooler works with two separate circuits, usually with a hot water circuit and a cold water circuit. Such devices can also be used by the same operators to preheat the air when the engine is started; then only the hot water circuit in operation. Different thermal expansions occur in one and the same apparatus, and special measures must be taken to control them.
  • the invention defined in the characterizing part of claim 1 is based on the object of avoiding thermodynamically induced pipe tensions with simple means and with certainty in heat exchangers of the type mentioned at the outset which work with liquid heat carriers of different temperatures.
  • the liquid heat transfer medium in this case water as a coolant, is separated in a hot water circuit and in a cold water circuit led.
  • the cold water reaches the water chamber 1 'in the direction of the arrow, flows through the tubes 2' of the bundle 2 while absorbing heat, is deflected in the water space 3 'by means of a guide device (not shown), flows through the tubes 2 "of the same bundle 2 in countercurrent with further heat absorption and leaves the cooler in the direction of the arrow over the water chamber 1 ".
  • the hot water which can have a temperature between 60 and 120 ° C., is introduced on the same cooler side as the cold water and also flows through the same circuit, with the flowed elements hereby water chamber 4 ', 4 ", pipes 5', 5" of the bundle 5 and water space 6 are designated.
  • the gaseous heat transfer medium here the hot, compressed air, acts on the cooler via the supply air line 7 and leaves it via the exhaust air line 8.
  • the tube bundles 2, 5 are flowed around in a cross flow. As it passes through the cooler, the air to be cooled is passed through flow channels which are formed by ribs 9 arranged close to one another. The latter are only partially shown for the sake of clarity and can be both continuous plate fins that are traversed by all the tubes of a bundle or ring plates arranged on the individual tubes.
  • the cross-countercurrent flow to the cooler is expediently chosen as shown, i.e. the hot air first flows around those pipes 5 "in which the cooling water is at the highest temperature, and as cooling continues, cooler pipes 5 ' ⁇ 2" ⁇ 2' flow around them.
  • the cooler construction provides that the flow-limiting side walls 12, 13 are screwed directly to the tube sheets 10, 11 to form a box be, whereby a separate support frame can be dispensed with.
  • Supply air and exhaust air lines 7, 8 are fastened all around with the screw connections 14, which are merely indicated on the end faces of the tube sheets 10, 11 and side walls 12, 13.
  • the two tube bundles are subjected to different thermodynamic loads during cooler operation.
  • the bundle 5 is subjected to both hot air and hot water, while the bundle 2 is flowed through by the cold water and the precooled air flows around it.
  • the longitudinal strains of the two bundles thus differ greatly from one another.
  • the distance from the tube sheet is determined by the width of the firmly clamped side walls, which are also subjected to thermal expansion; on the other hand, the principle should be maintained that side walls 12, 13 and air lines 7, 8 on one and the same connection plate, here tube sheet 10, respectively. 11 are to be fastened.
  • the invention now remedies despite maintaining the principle of rigidly clamped tube sheets.
  • the tube lengths of the two bundles can be determined, taking into account the expansion that occurs later, in such a way that the sides of the tube sheets 10, 11 'and 10', 11 facing the air duct are aligned with one another during cooling operation and thus form aerodynamically smooth wall surfaces.
  • the cooler consists of two identical elements (1, 10 ', 2, 11, 3 and 4, 10, 5 , 11 ', 6), which are only pushed into one another and are to be screwed to the side walls 12, 13 and air lines 7, 8.
  • the movable tube plates 10 ′, 11 ′ are guided in a gas-tight manner in their cutouts 15, 16.
  • grooves are worked into the end faces of the tube sheets, into which sealing means, for example round cords 17, are inserted.
  • the invention is not limited to the exemplary embodiment shown and described.
  • a multi-flow arrangement for example three or four tube bundles connected in series on the air side, could also be implemented according to the teaching specified.
  • the cross-countercurrent flow of the heat transfer medium and the equilateral supply and removal of coolant are also not mandatory.
  • the device could be used as a cooler act just as well as a preheater for a gaseous working fluid. To do this, only the cold water circuit needs to be out of operation.

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)
EP19820201225 1981-11-27 1982-09-30 Echangeur de chaleur avec plusieurs faisceaux Expired EP0080742B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH7606/81 1981-11-27
CH760681 1981-11-27

Publications (3)

Publication Number Publication Date
EP0080742A2 true EP0080742A2 (fr) 1983-06-08
EP0080742A3 EP0080742A3 (en) 1983-07-06
EP0080742B1 EP0080742B1 (fr) 1984-09-12

Family

ID=4327763

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19820201225 Expired EP0080742B1 (fr) 1981-11-27 1982-09-30 Echangeur de chaleur avec plusieurs faisceaux

Country Status (3)

Country Link
EP (1) EP0080742B1 (fr)
DE (1) DE3260735D1 (fr)
DK (1) DK150956C (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5584340A (en) * 1995-08-07 1996-12-17 Heatcraft Inc. Heat exchanger with flexible tube support
DE19545308A1 (de) * 1995-12-05 1997-06-12 Asea Brown Boveri Konvektiver Gegenstromwärmeübertrager
EP0908691A1 (fr) * 1997-10-10 1999-04-14 Societe D'etudes Et De Constructions Aero-Navales Echangeur de chaleur du type à croisement orthogonal de deux fluides
GB2451848A (en) * 2007-08-14 2009-02-18 Arctic Circle Ltd Multiple circuit heat exchanger comprising tube bundles
US20100126704A1 (en) * 2008-11-24 2010-05-27 Caterpillar Inc. Heat Exchanger with Direct Flow Path Modules
BE1020355A3 (nl) * 2011-11-28 2013-08-06 Atlas Copco Airpower Nv Combinatie-warmtewisselaar en inrichting daarmee uitgerust.

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB392378A (en) * 1932-01-07 1933-05-18 Bergedorfer Eisenwerk Ag Tubular refrigerant condenser applicable also for cooling liquids and more particularly milk
DE879701C (de) * 1942-11-10 1953-06-15 Koppers Gmbh Heinrich Waermeaustauscher
GB1098511A (en) * 1964-02-04 1968-01-10 Ind Co Kleinewefers Konst An improved heat recuperator
FR2126323A1 (fr) * 1971-02-23 1972-10-06 Sanne Et Wendel As
CH535417A (de) * 1972-07-05 1973-03-31 Bbc Brown Boveri & Cie Baureihe von Wärmetauschern zunehmender Grösse
FR2443573A1 (fr) * 1978-12-08 1980-07-04 Renault Vehicules Ind Circuit de refroidissement de moteurs suralimentes

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB392378A (en) * 1932-01-07 1933-05-18 Bergedorfer Eisenwerk Ag Tubular refrigerant condenser applicable also for cooling liquids and more particularly milk
DE879701C (de) * 1942-11-10 1953-06-15 Koppers Gmbh Heinrich Waermeaustauscher
GB1098511A (en) * 1964-02-04 1968-01-10 Ind Co Kleinewefers Konst An improved heat recuperator
FR2126323A1 (fr) * 1971-02-23 1972-10-06 Sanne Et Wendel As
CH535417A (de) * 1972-07-05 1973-03-31 Bbc Brown Boveri & Cie Baureihe von Wärmetauschern zunehmender Grösse
FR2443573A1 (fr) * 1978-12-08 1980-07-04 Renault Vehicules Ind Circuit de refroidissement de moteurs suralimentes

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5584340A (en) * 1995-08-07 1996-12-17 Heatcraft Inc. Heat exchanger with flexible tube support
DE19545308A1 (de) * 1995-12-05 1997-06-12 Asea Brown Boveri Konvektiver Gegenstromwärmeübertrager
US5771963A (en) * 1995-12-05 1998-06-30 Asea Brown Boveri Ag Convective countercurrent heat exchanger
EP0908691A1 (fr) * 1997-10-10 1999-04-14 Societe D'etudes Et De Constructions Aero-Navales Echangeur de chaleur du type à croisement orthogonal de deux fluides
FR2769697A1 (fr) * 1997-10-10 1999-04-16 Soc Et Et De Const Aero Navale Echangeur de chaleur du type a croisement orthogonal de deux fluides
GB2451848A (en) * 2007-08-14 2009-02-18 Arctic Circle Ltd Multiple circuit heat exchanger comprising tube bundles
US20100126704A1 (en) * 2008-11-24 2010-05-27 Caterpillar Inc. Heat Exchanger with Direct Flow Path Modules
BE1020355A3 (nl) * 2011-11-28 2013-08-06 Atlas Copco Airpower Nv Combinatie-warmtewisselaar en inrichting daarmee uitgerust.

Also Published As

Publication number Publication date
DE3260735D1 (en) 1984-10-18
EP0080742B1 (fr) 1984-09-12
DK150956B (da) 1987-09-28
DK150956C (da) 1988-03-28
EP0080742A3 (en) 1983-07-06
DK525882A (da) 1983-05-28

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