EP0895051B1 - Verteiler für Röhrenwärmetauscher einer Zweiphasenkältemittel-Kühlanlage - Google Patents

Verteiler für Röhrenwärmetauscher einer Zweiphasenkältemittel-Kühlanlage Download PDF

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Publication number
EP0895051B1
EP0895051B1 EP98420128A EP98420128A EP0895051B1 EP 0895051 B1 EP0895051 B1 EP 0895051B1 EP 98420128 A EP98420128 A EP 98420128A EP 98420128 A EP98420128 A EP 98420128A EP 0895051 B1 EP0895051 B1 EP 0895051B1
Authority
EP
European Patent Office
Prior art keywords
distributor
central part
phase refrigerant
cap
tubular heat
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
Application number
EP98420128A
Other languages
English (en)
French (fr)
Other versions
EP0895051A1 (de
Inventor
André Bailly
Romuald Jurkowski
Mohamed Idriss
Marc Altazin
Slimane Meziani
Jean Michel Navarro
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.)
Compagnie Industrielle dApplications Thermiques SA CIAT
Original Assignee
Compagnie Industrielle dApplications Thermiques SA CIAT
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 Compagnie Industrielle dApplications Thermiques SA CIAT filed Critical Compagnie Industrielle dApplications Thermiques SA CIAT
Publication of EP0895051A1 publication Critical patent/EP0895051A1/de
Application granted granted Critical
Publication of EP0895051B1 publication Critical patent/EP0895051B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/02Header boxes; End plates
    • F28F9/026Header boxes; End plates with static flow control means, e.g. with means for uniformly distributing heat exchange media into conduits
    • F28F9/028Header boxes; End plates with static flow control means, e.g. with means for uniformly distributing heat exchange media into conduits by using inserts for modifying the pattern of flow inside the header box, e.g. by using flow restrictors or permeable bodies or blocks with channels
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B39/00Evaporators; Condensers
    • F25B39/02Evaporators
    • F25B39/028Evaporators having distributing means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/02Header boxes; End plates
    • F28F9/026Header boxes; End plates with static flow control means, e.g. with means for uniformly distributing heat exchange media into conduits
    • F28F9/0265Header boxes; End plates with static flow control means, e.g. with means for uniformly distributing heat exchange media into conduits by using guiding means or impingement means inside the header box

Definitions

  • the present invention relates to installations for cooling (refrigeration or air conditioning) in which the liquid to be cooled is treated inside a intratubular type heat exchanger through which a two-phase refrigerant.
  • such an exchanger is presented generally in the form of a closed cylindrical envelope 1 at its ends by two flanges 2 and 3.
  • a transverse partition 4 pierced with holes, the space defined between the flange 3 and this partition 4 being divided by a diametrical wall 5 in two separate rooms, namely an admission room 6 and a delivery chamber 7 to each of which is associated a pipe or tubing 8, respectively 9, connected to a source of pressurized refrigerant.
  • the space 10 between the partition 4 and the flange 2 contains a multitude of heat exchange tubes 11 in shape curls or straight elbow portions with ends are engaged in the holes of the partition 4 of so as to ensure the connection between chambers 6 and 7 for the circulation of the refrigerant.
  • the liquid to be cooled (water or other) is allowed in space 10 of enclosure 1 through an inlet tube 12 and emerges through a tube outlet 13 after being cooled in contact with the tubes curly 11.
  • DE-A-32 12 914 which describes a distributor for heat exchanger, formed by a sheet folded in the shape of a spherical cap. This distributor does not allow however not achieve satisfactory results in a two-phase use.
  • the distributor according to the invention is mainly remarkable in that it is constituted by a sheet which is shaped like a spherical cap open in direction of the outlet of the intake manifold and which presents a series of perforations arranged around a full central part of the dispenser.
  • figure 1 indicates the structure general of a common intratubular heat exchanger
  • Figure 2 schematically recalls the arrangement of a conventional type two-phase distributor.
  • Figure 3 is an axial section of an intake manifold equipped with a dispenser according to the present invention.
  • Figure 4 shows in the same way a variant of realization of the distributor according to figure 3.
  • Figure 5 is an elevational view of a dispenser established in accordance with the preferred mode of implementation of the invention.
  • Figure 6 is an axial section of the following distributor figure 5.
  • the two-phase distributor shown in FIG. 3 is constituted by a stamped sheet metal 15 so as to be in the form of a spherical cap.
  • the central part 15 a is provided full while the peripheral zone is pierced with a series of perforations 15 b , advantageously arranged in concentric rows, the number of which varies according to the diameter of the sheet or part 15.
  • This part 15 is fixed in any suitable manner (welding for example) by its edge against the inner wall of the flange 3 of the exchanger, so as to be oriented along the axis of the outlet of the intake manifold 8 in the chamber 6 of said exchanger.
  • the two-phase refrigerant which travels under pressure this pipe 8 is forced to pass through the perforations 15b .
  • the turbulence generated by the impact of this fluid against the solid central part 15 a and by the resistance exerted by said perforations in the passage of said fluid ensures the effective mixing of the two phases of the latter, so that under these conditions a efficient homogenization inside the intake chamber 6 which feeds the looped tubes 11.
  • FIG. 4 illustrates a variant in which the whole of the spherical cap, here referenced 16, is pierced with perforations 16 b , the solid central part being obtained using a patch 16 a attached to the inside of said cap along a cord in the axial section of Figure 4.
  • the result obtained is identical to that of the embodiment according to Figure 3, the manufacturing costs being remarkably reduced in one case as in the other.
  • the homogenization of the two-phase refrigerant is appreciably improved when adopting the embodiment illustrated in FIG. 5 and 6.
  • the spherical cap 17 is pierced with perforations 17 b over its entire surface, as in FIG. 4, and the central zone full is obtained by bringing inside said cap 17, no longer a flat piece or patch, but a conical body 17 a , the tip of which is engaged inside the tube 8.
  • the conical body 17 a favors bursting of the refrigerating fluid and its division in the direction of the perforated peripheral zone.
  • the conical profile body 17 a is provided, on its outer surface, with grooves extending parallel to the axis of this body 17 a , that is to say parallel to the direction of flow of the fluid in tubing 8.
  • These grooves extend at least between the base of the cone and the outlet of the fluid intake manifold.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
  • Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
  • Details Of Heat-Exchange And Heat-Transfer (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Claims (4)

  1. Verteiler für Röhrenwärmetauscher einer Zweiphasenkältemittel-Kühlanlage, geeignet zur Anordnung im Bereich der Öffnung der Einlassleitung für Flüssigkeit in das Innere der Kammer (6), die die Rohre des Tauschers (11) speist, gekennzeichnet durch eine Ausbildung aus einem Blech (15, 16, 17), das wie eine sphärische, in Richtung der Öffnung des Rohres (8) geöffnete Kalotte geformt ist, und das eine Reihe von Löchern (15b, 16b, 17b) aufweist, die um den vollen Zentral-Bereich (15a, 16a, 17a) des Verteilers herum angeordnet sind.
  2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass der volle Zentral-Bereich durch ein ebenes Täfelchen (16a). eingesetzt im Boden des Profils der kugelförmigen Kalotte, begrenzt ist.
  3. Verteiler nach Anspruch 1, dadurch gekennzeichnet, dass der volle Zentral-Bereich begrenzt ist durch einen Körper (17a) von konischem Profil dessen Fußspitze geeignet ist mit dem Rohr (8) zu korrespondieren.
  4. Verteiler nach Anspruch 3. dadurch gekennzeichnet, dass der Körper (17a) von konischem Profil auf seiner äußeren Ober-fläche derart mit Nuten ausgestattet ist. die sich von der Basis des Konus parallel zu seiner Achse erstrecken, um die Speisung der rückwärtig liegenden Zone besagter Basis zu erlauben.
EP98420128A 1997-07-29 1998-07-21 Verteiler für Röhrenwärmetauscher einer Zweiphasenkältemittel-Kühlanlage Expired - Lifetime EP0895051B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9709920 1997-07-29
FR9709920A FR2766914B1 (fr) 1997-07-29 1997-07-29 Distributeur destine a equiper les echangeurs thermiques intratubulaires des installations de refroidissement a fluide frigorigene de type diphasique

Publications (2)

Publication Number Publication Date
EP0895051A1 EP0895051A1 (de) 1999-02-03
EP0895051B1 true EP0895051B1 (de) 2002-11-27

Family

ID=9509967

Family Applications (1)

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EP98420128A Expired - Lifetime EP0895051B1 (de) 1997-07-29 1998-07-21 Verteiler für Röhrenwärmetauscher einer Zweiphasenkältemittel-Kühlanlage

Country Status (7)

Country Link
US (1) US6059026A (de)
EP (1) EP0895051B1 (de)
JP (1) JPH11132598A (de)
AT (1) ATE228640T1 (de)
DE (1) DE69809652T2 (de)
ES (1) ES2183308T3 (de)
FR (1) FR2766914B1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102235836A (zh) * 2010-04-22 2011-11-09 克朗斯股份公司 管式热交换器的连接元件

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EP1079194B1 (de) * 1999-08-23 2004-01-21 Nippon Shokubai Co., Ltd. Verfahren zur Verhinderung von Verstopfungen in einem Plattenwärmetauscher
US6338383B1 (en) * 1999-12-22 2002-01-15 Visteon Global Technologies, Inc. Heat exchanger and method of making same
FR2806156B1 (fr) * 2000-03-07 2002-05-31 Ciat Sa Echangeur de chaleur a plaques
KR20030080081A (ko) * 2001-03-14 2003-10-10 쇼와 덴코 가부시키가이샤 적층형 열 교환기, 차량 에어컨용 적층형 증발기 및 냉동시스템
JP4613645B2 (ja) * 2005-03-09 2011-01-19 株式会社デンソー 熱交換器
US7073569B1 (en) * 2005-04-07 2006-07-11 Delphi Technologies, Inc. Cooling assembly with spirally wound fin
CN102272546B (zh) 2009-01-06 2014-01-08 丹佛斯钦宝(杭州)热交换器有限公司 换热器、热泵系统和空调系统
DE102009006246B3 (de) * 2009-01-27 2010-05-20 Gea Tds Gmbh Vorrichtung zur Einflussnahme auf die Strömung im Bereich einer Rohrträgerplatte eines Rohrbündel-Wärmeaustauschers
CN101907376B (zh) * 2009-06-02 2012-07-25 江森自控楼宇设备科技(无锡)有限公司 用于制冷系统中的制冷剂的分配装置
US9541331B2 (en) 2009-07-16 2017-01-10 Lockheed Martin Corporation Helical tube bundle arrangements for heat exchangers
WO2011009080A2 (en) 2009-07-17 2011-01-20 Lockheed Martin Corporation Heat exchanger and method for making
US9777971B2 (en) 2009-10-06 2017-10-03 Lockheed Martin Corporation Modular heat exchanger
FR2957664B1 (fr) 2010-03-22 2012-04-20 Ciat Sa Echangeur thermique a tubes et procede d'assemblage d'un tel echangeur
US9388798B2 (en) 2010-10-01 2016-07-12 Lockheed Martin Corporation Modular heat-exchange apparatus
US9670911B2 (en) * 2010-10-01 2017-06-06 Lockheed Martin Corporation Manifolding arrangement for a modular heat-exchange apparatus
US8931509B2 (en) * 2011-10-07 2015-01-13 Trane International Inc. Pressure correcting distributor for heating and cooling systems
CN103090601B (zh) * 2011-11-03 2016-03-23 珠海格力电器股份有限公司 分流器及具有其的空调器
RU2511815C1 (ru) * 2012-12-11 2014-04-10 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Казанский национальный исследовательский технический университет им. А.Н. Туполева-КАИ" (КНИТУ-КАИ) Теплообменник-реактор
US20140345837A1 (en) * 2013-05-23 2014-11-27 Hamilton Sundstrand Corporation Heat exchanger distribution assembly and method
US10443945B2 (en) * 2014-03-12 2019-10-15 Lennox Industries Inc. Adjustable multi-pass heat exchanger
FR3024218B1 (fr) 2014-07-28 2019-05-24 Carrier Corporation Distributeur d'admission pour un evaporateur, procede de fabrication d'un tel distributeur, evaporateur comprenant un tel diffuseur et installation thermique a fluide caloporteur diphasique
JP6988209B2 (ja) * 2017-07-11 2022-01-05 株式会社Ihi 流体分散器及び流体分散装置
WO2019186674A1 (ja) * 2018-03-27 2019-10-03 東芝キヤリア株式会社 熱交換器、熱交換モジュール、および冷凍サイクル装置
CN110864567B (zh) * 2018-07-20 2020-11-24 山东大学 一种数量变化换热器均衡流量设计方法
CN115371482B (zh) * 2022-10-21 2023-02-10 江苏成华能源化工设备有限公司 一种壳管式换热器用均流装置

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CN102235836A (zh) * 2010-04-22 2011-11-09 克朗斯股份公司 管式热交换器的连接元件

Also Published As

Publication number Publication date
ATE228640T1 (de) 2002-12-15
FR2766914A1 (fr) 1999-02-05
FR2766914B1 (fr) 1999-10-29
ES2183308T3 (es) 2003-03-16
EP0895051A1 (de) 1999-02-03
DE69809652D1 (de) 2003-01-09
US6059026A (en) 2000-05-09
JPH11132598A (ja) 1999-05-21
DE69809652T2 (de) 2003-07-17

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