EP1536198A1 - Echangeur de chaleur - Google Patents

Echangeur de chaleur Download PDF

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Publication number
EP1536198A1
EP1536198A1 EP03425754A EP03425754A EP1536198A1 EP 1536198 A1 EP1536198 A1 EP 1536198A1 EP 03425754 A EP03425754 A EP 03425754A EP 03425754 A EP03425754 A EP 03425754A EP 1536198 A1 EP1536198 A1 EP 1536198A1
Authority
EP
European Patent Office
Prior art keywords
chamber
inlet
outlet
heat exchanger
tubes
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.)
Withdrawn
Application number
EP03425754A
Other languages
German (de)
English (en)
Inventor
Roberto Andreatta
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.)
Terra Energia Srl
Original Assignee
Terra Energia Srl
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 Terra Energia Srl filed Critical Terra Energia Srl
Priority to EP03425754A priority Critical patent/EP1536198A1/fr
Publication of EP1536198A1 publication Critical patent/EP1536198A1/fr
Withdrawn legal-status Critical Current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
    • 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
    • F28D9/0093—Multi-circuit heat-exchangers, e.g. integrating different heat exchange sections in the same unit or heat-exchangers for more than two fluids
    • 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
    • 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
    • F28D7/06—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 having a single U-bend
    • 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
    • F28D9/0031—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 for one heat-exchange medium being formed by paired plates touching each other
    • F28D9/0043—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 for one heat-exchange medium being formed by paired plates touching each other the plates having openings therein for circulation of at least one heat-exchange medium from one conduit to another
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F27/00—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus
    • F28F27/02—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus for controlling the distribution of heat-exchange media between different channels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2250/00—Arrangements for modifying the flow of the heat exchange media, e.g. flow guiding means; Particular flow patterns
    • F28F2250/10—Particular pattern of flow of the heat exchange media
    • F28F2250/102—Particular pattern of flow of the heat exchange media with change of flow direction

Definitions

  • the present invention relates to a heat exchanger, and in particular to a heat exchanger which can be employed in the cogeneration systems.
  • IT 1300455 discloses a heat exchanger for a cogeneration system, which includes a three-way valve obtained in the same hollow body of the heat exchanger, so as to reduce the structural complexity and the size of the whole system, with a consequent decrease of the manufacturing and maintenance costs.
  • the heat exchanger according to the present invention significantly reduces not only the structural complexity and the size of a cogeneration system, but also the relevant manufacturing and maintaining costs.
  • the heat exchanger according to the present invention allows to increase the thermal efficiency of the thermal exchange, i.e. the performance of the cogeneration system.
  • the heat exchanger is provided with further mobile walls for circulating hot fluids between a motor and an external radiator, and vice versa, so as to increase the flexibility of the cogeneration system and consequently its uses.
  • the heat exchanger according to the first embodiment of the invention comprises in a known way an elongated hollow body 1, in particular having a substantially cylindrical shape, the inner cavity of which communicates with at least a first inlet duct 2 and a first outlet duct 3 for a hot fluid, in particular exhausted gases.
  • the first inlet duct 2 leads into a first inlet chamber 4 obtained at an end of the hollow body 1, from which a bundle of first tubes 5 (figure 1 shows only one tube 5 for simplicity's sake), which are arranged in the hollow body 1 in a manner substantially parallel to the longitudinal axis of the latter, departs.
  • the first tubes 5 are curved substantially at 180° so as to lead into a first outlet chamber 6 which is obtained in the hollow body 1 beside the first inlet chamber 4 and is connected to the first outlet duct 3.
  • a first mobile wall 7, in particular having a substantially semicircular shape, is arranged between the first inlet chamber 4 and the first outlet chamber 6 for mutually separating or connecting these two chambers.
  • the first mobile wall 7 can be rotated around an axis substantially perpendicular to the longitudinal axis of the hollow body 1, so as to be arranged against the inlet of the first tubes 5 for avoiding that the fluid coming from the first inlet chamber 4 passes through these tubes or to be arranged between the first chambers 4, 6 for forcing the same fluid to pass through the first tubes 5 before reaching the first outlet chamber 6 and the first outlet duct 3.
  • the first mobile wall 7 with the first inlet and outlet chambers 4, 6 therefore form a three-way valve between the first inlet duct 2, the first outlet duct 3 and the first tubes 5.
  • the first tubes 5 are arranged in a portion 8 of the hollow body 1 which acts as a first exchange chamber and is adjacent to the first chambers 4, 6.
  • a fluid, in particular water, to be heated with the heat of the fluid passing through the first tubes 5 can circulate in the first exchange chamber 8.
  • the first exchange chamber 8 is divided into more spaces by a plurality of transversal diaphragms 9 provided with openings 10 made at opposite positions with respect to the longitudinal axis of the hollow body 1.
  • the first exchange chamber 8 is connected to a second outlet duct 11 and to a second inlet duct 12 for the fluid to be heated.
  • a second exchange chamber 13 which is adjacent to the first exchange chamber 8 and communicates with the latter, in particular through an opening 14 in a diaphragm 15 which separates chambers 8 and 13, is suitably obtained in the hollow body 1.
  • the second inlet duct 12 leads into the second exchange chamber 13 so that the fluid to be heated crosses this chamber before passing into the first exchange chamber 8.
  • a plurality of hollow members 16 mutually connected by means of second tubes 17 is arranged in the second exchange chamber 13 so that a hot fluid, in particular the cooling water of a motor, can exchange heat with the fluid to be heated.
  • Said hollow members 16 are preferably made up of hollow plates arranged transversally with respect to the longitudinal axis of the hollow body 1.
  • Said hot fluid comes from a third inlet duct 18 which leads into a second exchange chamber 19 obtained at the opposite end of the hollow body 1 with respect to the one containing the first inlet and outlet chambers 4, 6.
  • the second tubes 17, which are arranged in the hollow body 1 in a manner substantially parallel to the longitudinal axis of the latter, depart from the second inlet chamber 19.
  • the second tubes 17 bring the hot fluid back into a second outlet chamber 20 which is obtained in the hollow body 1 beside the second inlet chamber 19 and is connected to a third outlet duct 21.
  • a second mobile wall 22, in particular having a substantially semicircular shape, is arranged between the second inlet chamber 19 and the second outlet chamber 20 for mutually separating or connecting these chambers.
  • the second mobile wall 22 can be rotated around an axis substantially perpendicular to the longitudinal axis of the hollow body 1, so as to close the inlet of the second tubes 17 and to deviate the fluid coming from the second inlet chamber 19 toward the second outlet chamber 20 or to be arranged between the second chambers 19 and 20 to force the same fluid to pass through the second tubes 17 before reaching the second outlet chamber and the third outlet duct 21.
  • the second mobile wall 22 with the second inlet and outlet chambers 19, 20 therefore form a three-way valve between the third inlet duct 18, the third outlet duct 21 and the second tubes 17.
  • the second inlet duct 12 is arranged adjacent to the second chambers 19, 20, while the second outlet duct 11 is arranged adjacent to the first chambers 4, 6, or vice versa.
  • a third mobile wall 23, in particular having a substantially semicircular shape, can be arranged between the second tubes 17 and the second mobile wall 22 for deviating the fluid coming from the second inlet chamber 19 toward a fourth outlet duct 24, which can be connected in turn to an external device, in particular a radiator for cooling said fluid.
  • a fourth inlet duct 25 leads into the second outlet chamber 20 for bringing this fluid back toward the third outlet duct 21.
  • the second embodiment of the invention differs from the first embodiment in that the second mobile wall 26 (or a further mobile wall) can separate the second tubes 17 from the second outlet chamber 20 and that the third mobile wall 27 (or a further mobile wall) is arranged between the second tubes 17 and the second outlet chamber 20 for deviating the fluid coming from the fourth inlet duct 25 toward the third outlet duct 21.

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)
EP03425754A 2003-11-25 2003-11-25 Echangeur de chaleur Withdrawn EP1536198A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP03425754A EP1536198A1 (fr) 2003-11-25 2003-11-25 Echangeur de chaleur

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP03425754A EP1536198A1 (fr) 2003-11-25 2003-11-25 Echangeur de chaleur

Publications (1)

Publication Number Publication Date
EP1536198A1 true EP1536198A1 (fr) 2005-06-01

Family

ID=34443154

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03425754A Withdrawn EP1536198A1 (fr) 2003-11-25 2003-11-25 Echangeur de chaleur

Country Status (1)

Country Link
EP (1) EP1536198A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2935475A1 (fr) * 2008-08-27 2010-03-05 Valeo Systemes Thermiques Echangeur de chaleur pour le refroidissement d'un fluide, en particulier des gaz d'echappement recircules d'un moteur thermique
EP1857761A3 (fr) * 2006-05-20 2011-12-28 Pierburg GmbH Unité de transmission de la chaleur pour moteurs à combustion interne
JP2015169349A (ja) * 2014-03-05 2015-09-28 株式会社日阪製作所 プレート式熱交換器

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4319630A (en) * 1978-12-07 1982-03-16 United Aircraft Products, Inc. Tubular heat exchanger
EP0289406A1 (fr) * 1987-04-27 1988-11-02 Valeo Echangeur de chaleur à deux étages et son procédé de montage
US20030019214A1 (en) * 2001-07-26 2003-01-30 Takanori Shibata Gas turbine installation

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4319630A (en) * 1978-12-07 1982-03-16 United Aircraft Products, Inc. Tubular heat exchanger
EP0289406A1 (fr) * 1987-04-27 1988-11-02 Valeo Echangeur de chaleur à deux étages et son procédé de montage
US20030019214A1 (en) * 2001-07-26 2003-01-30 Takanori Shibata Gas turbine installation

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1857761A3 (fr) * 2006-05-20 2011-12-28 Pierburg GmbH Unité de transmission de la chaleur pour moteurs à combustion interne
FR2935475A1 (fr) * 2008-08-27 2010-03-05 Valeo Systemes Thermiques Echangeur de chaleur pour le refroidissement d'un fluide, en particulier des gaz d'echappement recircules d'un moteur thermique
JP2015169349A (ja) * 2014-03-05 2015-09-28 株式会社日阪製作所 プレート式熱交換器

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