EP3143356B1 - Distributeur de fluide réfrigérant dans un échangeur thermique - Google Patents

Distributeur de fluide réfrigérant dans un échangeur thermique Download PDF

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Publication number
EP3143356B1
EP3143356B1 EP14736019.2A EP14736019A EP3143356B1 EP 3143356 B1 EP3143356 B1 EP 3143356B1 EP 14736019 A EP14736019 A EP 14736019A EP 3143356 B1 EP3143356 B1 EP 3143356B1
Authority
EP
European Patent Office
Prior art keywords
distributor
main body
anyone
fluid distributor
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
EP14736019.2A
Other languages
German (de)
English (en)
Other versions
EP3143356A1 (fr
Inventor
Franco Provenziani
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.)
Provides Metalmeccanica SRL
Original Assignee
Provides Metalmeccanica SRL
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Filing date
Publication date
Application filed by Provides Metalmeccanica SRL filed Critical Provides Metalmeccanica SRL
Publication of EP3143356A1 publication Critical patent/EP3143356A1/fr
Application granted granted Critical
Publication of EP3143356B1 publication Critical patent/EP3143356B1/fr
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Classifications

    • 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
    • F28F9/06—Arrangements for sealing elements into header boxes or end plates by dismountable joints
    • F28F9/14—Arrangements for sealing elements into header boxes or end plates by dismountable joints by force-joining
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
    • F28F21/06—Constructions of heat-exchange apparatus characterised by the selection of particular materials of plastics material
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2255/00—Heat exchanger elements made of materials having special features or resulting from particular manufacturing processes
    • F28F2255/14—Heat exchanger elements made of materials having special features or resulting from particular manufacturing processes molded
    • F28F2255/143—Heat exchanger elements made of materials having special features or resulting from particular manufacturing processes molded injection molded
    • 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
    • F28F9/0219—Arrangements for sealing end plates into casing or header box; Header box sub-elements
    • F28F9/0224—Header boxes formed by sealing end plates into covers
    • 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
    • F28F9/165—Arrangements for sealing elements into header boxes or end plates by permanent joints, e.g. by rolling by using additional preformed parts, e.g. sleeves, gaskets
    • F28F9/167—Arrangements for sealing elements into header boxes or end plates by permanent joints, e.g. by rolling by using additional preformed parts, e.g. sleeves, gaskets the parts being inserted in the heat-exchange conduits

Definitions

  • the present invention relates to a device distributor of refrigerant fluid for use in a heat exchanger, in particular an evaporator.
  • a heat exchanger in particular an evaporator.
  • Such exchanger is suitable, for example, to be used in conditioning or refrigerating plants.
  • the heat exchangers in particular those for use in conditioning or refrigerating plants, provide a skirt acting as outer casing wherein one or more tube bundles are housed wherein a first operating "cold" fluid flows subtracting heat from a second operating fluid to be cooled down.
  • the operating coolants which are used very much, in particular in the heat exchangers working as evaporators, are for example freon, ammonia and CO 2 .
  • the coolant is fed by a discharge line within a head or collector of the exchanger.
  • a suitable distributor device indeed provides a respective feeding duct for each tube of the tube bundle.
  • Distributor duct and respective tube are engaged one into the other one.
  • the distributor and the related ducts generally are implemented with pieces made of copper or other metal.
  • WO-A-2009/066260 discloses a distributor of fluid according to the preamble of claim 1.
  • the technical problem placed and solved by the present invention is then to provide a device distributor of fluid, in particular coolant, within the tube bundles of a heat exchanger allowing to obviate the drawbacks mentioned above with reference to the known art.
  • a distributor according to claim 1 Preferred features of the present invention are subject of the depending claims.
  • the distributor of the invention in particular thanks to the possibility of making its own main body of plastic material, results to be light and with reduced cost. Furthermore, the distributor allows inserting tubular metallic elements, or ducts, within seats obtained in the main body, by allowing a modular implementation of the distributor itself and by making it extremely versatile with respect to different distribution needs.
  • a fluid distributor device according to a preferred embodiment of the invention is designated as a whole with 1.
  • the distributor 1 is meant to distribute coolant, in particular freon, in a heat exchanger 100, in particular an evaporator.
  • a head or collector 101 of the exchanger 100, an inlet 102 of freon inside said head 101, a tube bundle made of tubes 103, which has to receive the freon to the purpose of the heat exchange, and an associated tube plate 104 are then represented.
  • a clamping member 105, in particular a screw, for the connection between head 101 and tube plate 104 is also represented.
  • One or more not represented gaskets can be further provided, for example housed both on the head and on the tube plate.
  • the distributor 1 comprises a main body 2 wholly or mainly made of plastic material.
  • plastic material is selected in a group comprising PVC, teflon, polypropylene, nylon, or other.
  • the main body 2 can be made under the shape of a monolithic (piece) structure, for example by means of a single moulding operation.
  • the distributor 1 bears a plurality of elongated longitudinal seats 21, parallel and transversally placed side-by-side, obtained in the main body 2.
  • Each elongated seat 21 receives a respective metallic tubular member 3, or duct, inside thereof, upon use, the coolant for feeding the tubes 103 flows.
  • the tubular members 3 preferably are made of titanium, aluminium, steel, Cupro-Nickel or other.
  • the seats 21 and the tubular members 3 have cylindrical or substantially cylindrical geometry.
  • each seat 21 has a first tract 210 with smaller cross section, suitable to keep constrained a respective tubular member 3, and a second tract 212 with bigger cross-section.
  • the main body 2 is made locally weaker so as to allow its housing/adapting inside the tubes 103.
  • the engaging member 213 is inserted in the respective tube 103 until reaching the point that an abutment profile 20, or different coupling means, of the main body 2 stops against the tube plate 104 wherein the tubes 103 are housed.
  • the engaging member 213 has an elastic deformability.
  • tubular members 3 are removably received within the respective seats 21.
  • tubular members 3 have an opening for feeding fluid, in particular a cross-section of the inner lumen, which can be selected based upon the specific cooling needs.

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)

Claims (9)

  1. Distributeur (1) de fluide, en particulier de réfrigérant, destiné à être utilisé dans un échangeur de chaleur (100),
    lequel distributeur (1) comprend un corps principal (2),
    lequel corps principal (2) supporte une pluralité de sièges longitudinaux allongés (21), chacun approprié pour recevoir un élément tubulaire métallique (3) respectif, dans lequel, suite à l'usage, le fluide s'écoule,
    chacun desdits sièges allongés (21) ayant une première étendue (210) avec une section transversale plus petite, appropriée pour recevoir un élément tubulaire (3) respectif, et une seconde étendue (212) avec une plus grande section transversale,
    caractérisé en ce que, à l'extérieur de chacun desdits sièges allongés (21), on obtient en outre un profil de butée transversal (20), approprié pour se coupler avec l'extrémité d'un tube (103) de l'échangeur (100) et/ou avec une plaque tubulaire (104) de ce dernier, lequel tube (103) est agencé après usage, de manière circonscrite par rapport à l'élément tubulaire métallique (3) respectif,
    dans lequel, à chaque seconde étendue (212) desdits sièges allongés (21), ledit corps principal (2) comprend un élément de mise en prise (213) approprié pour se monter dans un tube (103) respectif de l'échangeur (100) selon ledit agencement circonscrit par rapport à l'élément tubulaire (3).
  2. Distributeur (1) de fluide selon la revendication 1, dans lequel ledit élément de mise en prise (213) a un profil sensiblement conique et/ou progressivement rétréci.
  3. Distributeur (1) de fluide selon l'une quelconque des revendications précédentes, dans lequel ledit élément de mise en prise (213) peut être déformé élastiquement pour être inséré dans le tube (103) respectif de l'échangeur (100).
  4. Distributeur (1) de fluide selon l'une quelconque des revendications précédentes, dans lequel ledit élément de mise en prise (213) a une forme sensiblement tubulaire.
  5. Distributeur (1) de fluide selon l'une quelconque des revendications précédentes, comprenant en outre une pluralité d'éléments tubulaires métalliques (3), chacun approprié pour venir en prise avec un siège allongé (21) respectif dudit corps principal (2).
  6. Distributeur (1) de fluide selon la revendication précédente, dans lequel lesdits éléments tubulaires (3) sont reçus, de manière amovible, dans les sièges (21) respectifs dudit corps principal (2).
  7. Distributeur (1) de fluide selon l'une quelconque des revendications précédentes, dans lequel ledit corps principal (2) est réalisé à partir de matière plastique, cette dernière étant de préférence sélectionnée dans le groupe comprenant le PVC, le téflon, le polypropylène et le nylon.
  8. Distributeur (1) de fluide selon l'une quelconque des revendications précédentes, dans lequel ledit corps principal (2) a une structure monolithique.
  9. Echangeur de chaleur (100) comprenant un distributeur (1) de fluide selon l'une quelconque des revendications précédentes.
EP14736019.2A 2014-05-13 2014-05-13 Distributeur de fluide réfrigérant dans un échangeur thermique Active EP3143356B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/IB2014/061390 WO2015173606A1 (fr) 2014-05-13 2014-05-13 Distributeur de fluide réfrigérant dans un échangeur thermique

Publications (2)

Publication Number Publication Date
EP3143356A1 EP3143356A1 (fr) 2017-03-22
EP3143356B1 true EP3143356B1 (fr) 2018-03-28

Family

ID=51134147

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14736019.2A Active EP3143356B1 (fr) 2014-05-13 2014-05-13 Distributeur de fluide réfrigérant dans un échangeur thermique

Country Status (2)

Country Link
EP (1) EP3143356B1 (fr)
WO (1) WO2015173606A1 (fr)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005032118A1 (de) * 2005-07-07 2007-01-11 Ruhr Oel Gmbh Rohrbündelwärmeübertrager mit verschleißbeständiger Rohrbodenauskleidung
ITPN20050078A1 (it) * 2005-10-25 2007-04-26 Adriano Paschetto Sistema perfezionato per la produzione di corpi radianti per impianti di riscaldamento
GB2453128A (en) * 2007-09-26 2009-04-01 Intelligent Energy Ltd End plate of a heat exchanger
EP2229571B1 (fr) * 2007-11-21 2011-07-06 The Petroleum Oil and Gas Corporation of South Africa (Pty) Ltd. Ensemble de plaques tubulaires

Also Published As

Publication number Publication date
EP3143356A1 (fr) 2017-03-22
WO2015173606A1 (fr) 2015-11-19

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