EP0895051A1 - Distributeur destiné à équiper les échangeurs thermiques intratubulaires des installations de refroidissement à fluide frigorigène de type diphasique - Google Patents
Distributeur destiné à équiper les échangeurs thermiques intratubulaires des installations de refroidissement à fluide frigorigène de type diphasique Download PDFInfo
- Publication number
- EP0895051A1 EP0895051A1 EP98420128A EP98420128A EP0895051A1 EP 0895051 A1 EP0895051 A1 EP 0895051A1 EP 98420128 A EP98420128 A EP 98420128A EP 98420128 A EP98420128 A EP 98420128A EP 0895051 A1 EP0895051 A1 EP 0895051A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- distributor
- central part
- cap
- phase refrigerant
- heat exchanger
- 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
Images
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
- F28F9/026—Header boxes; End plates with static flow control means, e.g. with means for uniformly distributing heat exchange media into conduits
- F28F9/028—Header 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B39/00—Evaporators; Condensers
- F25B39/02—Evaporators
- F25B39/028—Evaporators having distributing means
-
- 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
- F28F9/026—Header boxes; End plates with static flow control means, e.g. with means for uniformly distributing heat exchange media into conduits
- F28F9/0265—Header 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.
- 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.
- 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 consists of 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)
- Thermal Sciences (AREA)
- Mechanical Engineering (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)
Abstract
Description
- une extrémité cylindrique 14a engagée dans la tubulure 8 et percée axialement d'une ouverture profilée de manière à définir un col de Venturi 14b (qui est parfois remplacé par un diaphragme rapporté) ;
- une partie centrale conique 14c dont la pointe est tournée vers le col de Venturi 14b ;
- et une extrémité 14d à profil tronconique ouvert à l'opposé dudit col 14b, cette extrémité étant percée d'une série de canaux divergents 14e.
Claims (4)
- Distributeur destiné à équiper les échangeurs thermiques intratubulaires des installations de refroidissement à fluide frigorigène de nature diphasique, du genre propre à être fixé au niveau du débouché de la tubulure d'admission du fluide à l'intérieur de la chambre (6) qui alimente les tubes d'échange (11), caractérisé en ce qu'il est constitué par une tôle (15, 16, 17) qui est profilée à la manière d'une calotte sphérique ouverte en direction du débouché de la tubulure (8) et qui présente une série de perforations (15b, 16b, 17b) disposées autour d'une partie centrale pleine (15a, 16a, 17a).
- Dispositif suivant la revendication 1, caractérisé en ce que la partie centrale pleine est définie par une pastille plane (16a) rapportée dans le fond du profil de la calotte sphérique.
- Distributeur suivant la revendication 1, caractérisé en ce que la partie centrale pleine est définie par un corps (17a) à profil conique dont la pointe est engagée dans la tubulure (8).
- Distributeur suivant la revendication 3, caractérisé en ce que le corps (17a) à profil conique est pourvu, sur sa surface extérieure, de rainures s'étendant parallèlement à l'axe dudit corps (17a).
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 true EP0895051A1 (fr) | 1999-02-03 |
| EP0895051B1 EP0895051B1 (fr) | 2002-11-27 |
Family
ID=9509967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP98420128A Expired - Lifetime EP0895051B1 (fr) | 1997-07-29 | 1998-07-21 | Distributeur destiné à équiper les échangeurs thermiques intratubulaires des installations de refroidissement à fluide frigorigène de type diphasique |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US6059026A (fr) |
| EP (1) | EP0895051B1 (fr) |
| JP (1) | JPH11132598A (fr) |
| AT (1) | ATE228640T1 (fr) |
| DE (1) | DE69809652T2 (fr) |
| ES (1) | ES2183308T3 (fr) |
| FR (1) | FR2766914B1 (fr) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1079194A3 (fr) * | 1999-08-23 | 2001-12-12 | Nippon Shokubai Co., Ltd. | Méthode pour empêcher le blocage d'un échangeur de chaleur à plaques |
| EP2264384A1 (fr) * | 2009-06-02 | 2010-12-22 | Johnson Controls Technology Company | Dispositif de distribution réfrigérant pour système de réfrigération |
| EP2386050A4 (fr) * | 2009-01-06 | 2013-01-09 | Danfoss Plate Heat Exchanger Hangzhou Co Ltd | Échangeur thermique, système de pompe à chaleur et système de climatisation |
| WO2013052841A1 (fr) * | 2011-10-07 | 2013-04-11 | Trane International Inc. | Distributeur de correction de pression pour systèmes de chauffage et de refroidissement |
| CN103090601A (zh) * | 2011-11-03 | 2013-05-08 | 珠海格力电器股份有限公司 | 分流器及具有其的空调器 |
| CN109539826A (zh) * | 2018-07-20 | 2019-03-29 | 山东大学 | 一种翅片高度变化的管壳式换热器 |
| CN115371482A (zh) * | 2022-10-21 | 2022-11-22 | 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 |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| DE102009006246B3 (de) * | 2009-01-27 | 2010-05-20 | Gea Tds Gmbh | Vorrichtung zur Einflussnahme auf die Strömung im Bereich einer Rohrträgerplatte eines Rohrbündel-Wärmeaustauschers |
| EP2454546B1 (fr) | 2009-07-16 | 2015-09-02 | Lockheed Martin Corporation | Agencements de faisceaux de tubes hélicoïdaux pour échangeurs de chaleur |
| KR20120051685A (ko) | 2009-07-17 | 2012-05-22 | 록히드 마틴 코포레이션 | 열 교환기 및 제작 방법 |
| 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 |
| DE102010028117A1 (de) * | 2010-04-22 | 2011-10-27 | Krones Ag | Verbindungselement für Röhrenwärmetauscher |
| US9670911B2 (en) * | 2010-10-01 | 2017-06-06 | Lockheed Martin Corporation | Manifolding arrangement for a modular heat-exchange apparatus |
| US9388798B2 (en) | 2010-10-01 | 2016-07-12 | Lockheed Martin Corporation | Modular heat-exchange apparatus |
| 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 (fr) * | 2018-03-27 | 2019-10-03 | 東芝キヤリア株式会社 | Échangeur de chaleur, module d'échange de chaleur et cycle frigorifique |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE322789C (de) * | 1918-01-27 | 1920-07-08 | Norddeutsche Kuehlerfabrik G M | Wasserverteiler fuer Kuehler von Fahrzeugmotoren |
| US3563055A (en) * | 1969-03-17 | 1971-02-16 | Sporlan Valve Co | Refrrigerant distribvtor |
| US3623505A (en) * | 1969-08-20 | 1971-11-30 | Westinghouse Electric Corp | Flow distribution device |
| DE3212914A1 (de) * | 1982-04-06 | 1983-10-13 | Waterkotte Wärmepumpen GmbH, 4690 Herne | Roehrenbuendelwaermeaustauscher |
| US5059226A (en) * | 1989-10-27 | 1991-10-22 | Sundstrand Corporation | Centrifugal two-phase flow distributor |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU870905A1 (ru) * | 1980-01-25 | 1981-10-07 | Предприятие П/Я А-1345 | Коллектор теплообменника |
| US5107923A (en) * | 1991-06-10 | 1992-04-28 | United Technologies Corporation | Flow distribution device |
-
1997
- 1997-07-29 FR FR9709920A patent/FR2766914B1/fr not_active Expired - Fee Related
-
1998
- 1998-07-21 AT AT98420128T patent/ATE228640T1/de not_active IP Right Cessation
- 1998-07-21 DE DE69809652T patent/DE69809652T2/de not_active Expired - Lifetime
- 1998-07-21 EP EP98420128A patent/EP0895051B1/fr not_active Expired - Lifetime
- 1998-07-21 ES ES98420128T patent/ES2183308T3/es not_active Expired - Lifetime
- 1998-07-24 US US09/121,891 patent/US6059026A/en not_active Expired - Fee Related
- 1998-07-29 JP JP10214402A patent/JPH11132598A/ja active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE322789C (de) * | 1918-01-27 | 1920-07-08 | Norddeutsche Kuehlerfabrik G M | Wasserverteiler fuer Kuehler von Fahrzeugmotoren |
| US3563055A (en) * | 1969-03-17 | 1971-02-16 | Sporlan Valve Co | Refrrigerant distribvtor |
| US3623505A (en) * | 1969-08-20 | 1971-11-30 | Westinghouse Electric Corp | Flow distribution device |
| DE3212914A1 (de) * | 1982-04-06 | 1983-10-13 | Waterkotte Wärmepumpen GmbH, 4690 Herne | Roehrenbuendelwaermeaustauscher |
| US5059226A (en) * | 1989-10-27 | 1991-10-22 | Sundstrand Corporation | Centrifugal two-phase flow distributor |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6848501B2 (en) | 1999-08-23 | 2005-02-01 | Nippon Shokubai Co., Ltd | Method for preventing plate type heat exchanger from blockage |
| EP1079194A3 (fr) * | 1999-08-23 | 2001-12-12 | Nippon Shokubai Co., Ltd. | Méthode pour empêcher le blocage d'un échangeur de chaleur à plaques |
| US8943854B2 (en) | 2009-01-06 | 2015-02-03 | Danfoss Qinbao (Hangzhou) Plate Heat Exchanger Company Limited | Heat exchanger and air condition system |
| EP2386050A4 (fr) * | 2009-01-06 | 2013-01-09 | Danfoss Plate Heat Exchanger Hangzhou Co Ltd | Échangeur thermique, système de pompe à chaleur et système de climatisation |
| EP2264384A1 (fr) * | 2009-06-02 | 2010-12-22 | Johnson Controls Technology Company | Dispositif de distribution réfrigérant pour système de réfrigération |
| WO2013052841A1 (fr) * | 2011-10-07 | 2013-04-11 | Trane International Inc. | Distributeur de correction de pression pour systèmes de chauffage et de refroidissement |
| CN103946650A (zh) * | 2011-10-07 | 2014-07-23 | 特灵国际有限公司 | 用于加热和冷却系统的压力校正分配器 |
| US8931509B2 (en) | 2011-10-07 | 2015-01-13 | Trane International Inc. | Pressure correcting distributor for heating and cooling systems |
| CN103946650B (zh) * | 2011-10-07 | 2016-06-29 | 特灵国际有限公司 | 用于加热和冷却系统的压力校正分配器 |
| CN103090601A (zh) * | 2011-11-03 | 2013-05-08 | 珠海格力电器股份有限公司 | 分流器及具有其的空调器 |
| 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 |
| CN109539826A (zh) * | 2018-07-20 | 2019-03-29 | 山东大学 | 一种翅片高度变化的管壳式换热器 |
| CN109539826B (zh) * | 2018-07-20 | 2020-04-28 | 山东大学 | 一种翅片高度变化的管壳式换热器 |
| CN111412764A (zh) * | 2018-07-20 | 2020-07-14 | 山东大学 | 一种汽液两相流的换热管内分隔装置的设计方法 |
| CN111412764B (zh) * | 2018-07-20 | 2021-09-21 | 山东大学 | 一种汽液两相流的换热管内分隔装置的设计方法 |
| CN115371482A (zh) * | 2022-10-21 | 2022-11-22 | 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2766914B1 (fr) | 1999-10-29 |
| ES2183308T3 (es) | 2003-03-16 |
| ATE228640T1 (de) | 2002-12-15 |
| DE69809652T2 (de) | 2003-07-17 |
| DE69809652D1 (de) | 2003-01-09 |
| JPH11132598A (ja) | 1999-05-21 |
| US6059026A (en) | 2000-05-09 |
| EP0895051B1 (fr) | 2002-11-27 |
| FR2766914A1 (fr) | 1999-02-05 |
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