WO2001067009A1 - Plate exchanger - Google Patents
Plate exchanger Download PDFInfo
- Publication number
- WO2001067009A1 WO2001067009A1 PCT/FR2001/000662 FR0100662W WO0167009A1 WO 2001067009 A1 WO2001067009 A1 WO 2001067009A1 FR 0100662 W FR0100662 W FR 0100662W WO 0167009 A1 WO0167009 A1 WO 0167009A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- plate
- exchanger according
- fluid
- exchanger
- distributor
- Prior art date
Links
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
- 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
Definitions
- the present invention relates to a plate heat exchanger.
- a plate heat exchanger is composed of superposed plates which, after soldering, welding or clamping, form two series of circulation channels, allowing the flow of a refrigerant and a fluid to be cooled. .
- Mechanical means are also provided for making these two series of channels independent, so that the refrigerant and the fluid to be cooled do not come into mutual contact.
- the invention relates more particularly to a plate exchanger, intended to be supplied with a two-phase refrigerant, comprising a liquid fraction and a vapor fraction when it is admitted into this exchanger.
- a two-phase refrigerant comprising a liquid fraction and a vapor fraction when it is admitted into this exchanger.
- such a plate exchanger comprises a pipe for supplying the two-phase refrigerant fluid, which opens into a collecting zone of this fluid.
- This zone extends opposite all of the circulation channels, that is to say longitudinally with reference to the main direction of flow of the refrigerant, at the outlet of the above-mentioned supply line.
- the plate heat exchangers mentioned above have certain drawbacks. In fact, their performance increases in a roughly linear manner with the number of plates which equip them, up to a threshold value corresponding to approximately 50 to 60 plates, namely between 25 and 30 channels of circulation of the coolant and the fluid. to refere. Beyond this threshold value, the performance of the exchanger tends to stagnate, or even decrease as the number of plates of the exchanger, and therefore its size, is increased. This is detrimental, insofar as the exchanger is limited in its performance.
- the invention proposes to produce a plate heat exchanger whose performance is improved compared to the prior art, and in particular continue to increase beyond the threshold value of plates of this exchanger , which is mentioned above.
- a plate heat exchanger comprising several plates, housed in the interior volume of the exchanger and defining first and second series of independent circulation channels, respectively for the circulation of a diphasi ⁇ ae fluid.
- refrigerant and a fluid to be refrigerated said exchanger also comprising a supply line for the two-phase refrigerant fluid opening into an inlet collecting zone extending opposite said first channels, characterized in that said supply line is equipped a distributor of said two-phase refrigerant, this distributor comprising a plate provided with perforations, said perforated plate being interposed on the flow path of said two-phase refrigerant.
- FIG. 1 is a partial sectional view of -n plate heat exchanger according to the invention.
- FIG. 2 is a front view, illustrating a distributor of two-phase refrigerant, fitted to the exchanger of Figure 1;
- Figures 3 to 6 are axial sections illustrating three alternative embodiments of the dispenser of Figure 2;
- FIG. 7 is a front view illustrating the dispenser shown in Figure 6;
- FIG. 8 and 9 are views in axial section, similar to Figures 3 to 6, illustrating fourth and fifth alternative embodiments of the distributor fitted 1 exchanger of figure 1.
- the plate heat exchanger illustrated in Figure 1 which is designated as a whole by the reference 2, contains several plates 6 extending in parallel, which define first 8 and second 10 series of channels, arranged alternately.
- means are provided for preventing communication between two adjacent channels 8, 10. These means, which can for example be produced by stamping, are shown schematically, for the sake of clarity, by dividing lines 12.
- the exchanger 2 also comprises a supply pipe 14 for a two-phase refrigerant fluid, intended to flow in the first channels 8.
- This pipe 14 is provided with a peripheral shoulder 16, against which a connector 18 abuts allowing the supply of this coolant.
- the exchanger 2 also conventionally includes an outlet for the refrigerant, as well as an inlet and an outlet for a fluid to be cooled, all three not shown.
- a distributor 20 is interposed between the shoulder 16 and the opposite end of the connector 18. As shown in Figure 2, this distributor is formed of a plate
- This plate comprises a central part 22 in which perforations 24 are formed, and around which extends an annular planar border 26, intended for fixing the plate 20 on the shoulder 16.
- the border 26 can be solid or perforated , and can be secured to the shoulder 16 by means of a mechanical fixing or by welding, or even be simply pressed against this shoulder 16, by the opposite end of the fitting 18.
- the diameter of these perforations varies as a function of different parameters, in particular the size of the plate, the flow rate of the refrigerant fluid and the physicochemical properties of the latter. In any event, their diameter is greater than 0.1 mm.
- two-phase refrigerant is allowed by the connector 18, via the distributor 20, in the supply pipe 14. Then, this fluid opens into a collector, or inlet collection zone 28, which extends longitudinally in the direction of flow of this fluid .
- This collection zone 28 is thus arranged facing all of the channels 8, 10. The fluid then feeds the first series of channels 8, while a fluid to be cooled is moreover admitted into the second series of channels 10 .
- FIG. 3 represents a variant of the invention, in which the distributor 30 is formed of a plate 31 which comprises a domed central part 32, forming a spherical cap extending in the direction of the outlet 15 of the pipe 14.
- This cap 32 in which perforations 34 are provided, is surrounded by a plane peripheral edge 36 allowing the dispenser 30 to be fixed against the shoulder 16.
- the distributor 40 is formed of a plate 41 which has a central cap 42, of the same shape as the cap 32.
- This cap 42 is provided with perforations 44 extending only at its periphery, so as to form a full central zone 45.
- the cap 42 is also surrounded by an edge 46, similar to that 26.
- the cap 52 of the plate 51 of the distributor 50 is pierced, over its entire surface, with perforations 54.
- a pellet 55 which is attached to the inside of the cap 52 following a cord of the latter.
- the distributor 50 is provided with a peripheral edge 56 for fixing against the shoulder 16.
- the dispenser 60 shown in Figures 6 and 7 comprises a plate 61, the central cap 62 is provided with perforations 64 over its entire surface.
- This distributor 60 is equipped with a conical body 65 whose base 65 'is fixed inside the cap 62, and whose tip 65''is directed opposite the outlet 15.
- the body 65 is fixed to the cap 62 per tou; suitable means, in particular by screwing.
- the conical body 65 is provided, on its outer surface, with longitudinal grooves, not shown, extending parallel to the axis of this body 65, that is to say parallel to the direction of flow of the two-phase fluid in the pipe 14. These grooves allow the supply of the area behind the base of the cone, between the latter and the cap 62.
- This distributor 60 is provided with a peripheral edge 66 for fixing.
- FIG. 8 illustrates a dispenser 70 comprising a plate 71, the domed cap 72 of which is provided with perforations 74.
- a ball 75 with a radius of curvature less than that of the cap 72, is fixed inside the cap 72. This the latter is surrounded by a peripheral fixing edge 76.
- the distributor 80 comprises a plate 81, the domed cap 82 of which is provided with perforations 84.
- This distributor 80 is provided with an insert 85, or added member, formed of a cylindrical part 85 'adjacent to the cap , and a conical end 85 "extending upstream, with reference to the flow of the fluid.
- a peripheral edge 86 for fixing is also provided.
- the invention is not limited to the examples described and shown. In fact, provision may in particular be made for providing a flat plate, similar to that 21, with a cone 65, a ball 75 or an insert 85 as described in FIGS. 6 to 9.
- the invention makes it possible to achieve the objectives mentioned above. Indeed, the Applicant has found that the stagnation, or even the decrease in performance of a plate heat exchanger, occurring beyond a threshold value of plates, was mainly due to the separation between the phases of the refrigerant, intervening in the entry collection area of the exchanger.
- the presence of the perforations with which the dispenser is provided generates turbulences of the fluid and therefore ensures an effective mixing of the two phases which constitute it. Under these conditions, an efficient homogenization of this two-phase fluid is obtained along the collection zone, even in the case of an exchanger provided with a high number of plates. Furthermore, the distributor according to the invention ensures a good distribution of the two-phase fluid in these different channels, in the sense that each channel is not only supplied by a homogeneous mixture but that, moreover, the flow rates of two-phase fluids supplying the various channels are substantially identical.
- the distributor equipping the plate exchanger of the invention has a simple structure and generates low costs.
- this dispenser is particularly convenient to use, insofar as it can be attached at the same time as the fluid supply connection.
- this distributor is robust and induces little pressure drop. Finally, it generates little disturbance of the flow, when the cycles of the exchanger are reversed.
- Equipping the dispenser with a domed cap is advantageous. Indeed, this measure gives a particularly advantageous homogenization of the two-phase fluid, before its admission into the inlet collection zone.
- Providing means for increasing the speed of flow of the fluid is particularly advantageous. Indeed, these means generate turbulence which ensures an effective mixing of the two phases of the refrigerant.
- the presence of a conical body, or of a ball promotes the bursting of the refrigerant, and its division in the direction of the perforations of the plate.
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE60122867T DE60122867T2 (en) | 2000-03-07 | 2001-03-06 | Plate heat exchanger |
AU2001239340A AU2001239340A1 (en) | 2000-03-07 | 2001-03-06 | Plate exchanger |
EP01913933A EP1261829B1 (en) | 2000-03-07 | 2001-03-06 | Plate exchanger |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0002922A FR2806156B1 (en) | 2000-03-07 | 2000-03-07 | PLATE HEAT EXCHANGER |
FR00/02922 | 2000-03-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2001067009A1 true WO2001067009A1 (en) | 2001-09-13 |
Family
ID=8847818
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR2001/000662 WO2001067009A1 (en) | 2000-03-07 | 2001-03-06 | Plate exchanger |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP1261829B1 (en) |
AT (1) | ATE338926T1 (en) |
AU (1) | AU2001239340A1 (en) |
DE (1) | DE60122867T2 (en) |
DK (1) | DK1261829T3 (en) |
ES (1) | ES2267730T3 (en) |
FR (1) | FR2806156B1 (en) |
WO (1) | WO2001067009A1 (en) |
Cited By (30)
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US8840553B2 (en) | 1998-04-30 | 2014-09-23 | Abbott Diabetes Care Inc. | Analyte monitoring device and methods of use |
US8915850B2 (en) | 2005-11-01 | 2014-12-23 | Abbott Diabetes Care Inc. | Analyte monitoring device and methods of use |
US8920319B2 (en) | 2005-11-01 | 2014-12-30 | Abbott Diabetes Care Inc. | Analyte monitoring device and methods of use |
US8930203B2 (en) | 2007-02-18 | 2015-01-06 | Abbott Diabetes Care Inc. | Multi-function analyte test device and methods therefor |
US8933664B2 (en) | 2006-03-31 | 2015-01-13 | Abbott Diabetes Care Inc. | Method and system for powering an electronic device |
US8974386B2 (en) | 1998-04-30 | 2015-03-10 | Abbott Diabetes Care Inc. | Analyte monitoring device and methods of use |
US8993331B2 (en) | 2009-08-31 | 2015-03-31 | Abbott Diabetes Care Inc. | Analyte monitoring system and methods for managing power and noise |
US9000929B2 (en) | 2007-05-08 | 2015-04-07 | Abbott Diabetes Care Inc. | Analyte monitoring system and methods |
US9011332B2 (en) | 2001-01-02 | 2015-04-21 | Abbott Diabetes Care Inc. | Analyte monitoring device and methods of use |
US9035767B2 (en) | 2007-05-08 | 2015-05-19 | Abbott Diabetes Care Inc. | Analyte monitoring system and methods |
US9039975B2 (en) | 2006-03-31 | 2015-05-26 | Abbott Diabetes Care Inc. | Analyte monitoring devices and methods therefor |
US9066695B2 (en) | 1998-04-30 | 2015-06-30 | Abbott Diabetes Care Inc. | Analyte monitoring device and methods of use |
US9066709B2 (en) | 2009-01-29 | 2015-06-30 | Abbott Diabetes Care Inc. | Method and device for early signal attenuation detection using blood glucose measurements |
US9078607B2 (en) | 2005-11-01 | 2015-07-14 | Abbott Diabetes Care Inc. | Analyte monitoring device and methods of use |
US9095290B2 (en) | 2007-03-01 | 2015-08-04 | Abbott Diabetes Care Inc. | Method and apparatus for providing rolling data in communication systems |
US9177456B2 (en) | 2007-05-08 | 2015-11-03 | Abbott Diabetes Care Inc. | Analyte monitoring system and methods |
US9226701B2 (en) | 2009-04-28 | 2016-01-05 | Abbott Diabetes Care Inc. | Error detection in critical repeating data in a wireless sensor system |
US9314195B2 (en) | 2009-08-31 | 2016-04-19 | Abbott Diabetes Care Inc. | Analyte signal processing device and methods |
US9320461B2 (en) | 2009-09-29 | 2016-04-26 | Abbott Diabetes Care Inc. | Method and apparatus for providing notification function in analyte monitoring systems |
US9323898B2 (en) | 2005-11-04 | 2016-04-26 | Abbott Diabetes Care Inc. | Method and system for providing basal profile modification in analyte monitoring and management systems |
US9477811B2 (en) | 2001-04-02 | 2016-10-25 | Abbott Diabetes Care Inc. | Blood glucose tracking apparatus and methods |
US9574914B2 (en) | 2007-05-08 | 2017-02-21 | Abbott Diabetes Care Inc. | Method and device for determining elapsed sensor life |
EP2889570B1 (en) | 2012-07-09 | 2017-08-09 | Sumitomo Precision Products Co., Ltd. | Heat exchanger |
US9730584B2 (en) | 2003-06-10 | 2017-08-15 | Abbott Diabetes Care Inc. | Glucose measuring device for use in personal area network |
US9962091B2 (en) | 2002-12-31 | 2018-05-08 | Abbott Diabetes Care Inc. | Continuous glucose monitoring system and methods of use |
US9968306B2 (en) | 2012-09-17 | 2018-05-15 | Abbott Diabetes Care Inc. | Methods and apparatuses for providing adverse condition notification with enhanced wireless communication range in analyte monitoring systems |
US9980669B2 (en) | 2011-11-07 | 2018-05-29 | Abbott Diabetes Care Inc. | Analyte monitoring device and methods |
US10039881B2 (en) | 2002-12-31 | 2018-08-07 | Abbott Diabetes Care Inc. | Method and system for providing data communication in continuous glucose monitoring and management system |
US10478108B2 (en) | 1998-04-30 | 2019-11-19 | Abbott Diabetes Care Inc. | Analyte monitoring device and methods of use |
US11793936B2 (en) | 2009-05-29 | 2023-10-24 | Abbott Diabetes Care Inc. | Medical device antenna systems having external antenna configurations |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2929392B1 (en) * | 2008-03-31 | 2012-12-21 | Barriquand Echangeurs | DEVICE FOR HOMOGENIZING AN INPUT FLOW IN A PLATE EXCHANGER |
RU2511815C1 (en) * | 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) | Heat exchanger reactor |
FR3024218B1 (en) | 2014-07-28 | 2019-05-24 | Carrier Corporation | INTAKE DISPENSER FOR EVAPORATOR, METHOD FOR MANUFACTURING SUCH DISPENSER, EVAPORATOR COMPRISING SUCH DIFFUSER, AND DIPHASIC HEAT PUMP THERMAL INSTALLATION |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2116960A1 (en) * | 1971-04-07 | 1972-10-19 | Messer Griesheim Gmbh | Plate type heat exchanger - having baffle inserts for 2-phase feed |
EP0043383A1 (en) * | 1980-07-08 | 1982-01-13 | Riedel Kälte- und Klimatechnik GmbH & Co, KG | Evaporator for liquid and/or gaseous media, especially for refrigeration plants and heat pumps |
DE3212914A1 (en) * | 1982-04-06 | 1983-10-13 | Waterkotte Wärmepumpen GmbH, 4690 Herne | Shell-and-tube heat exchanger |
US5806586A (en) * | 1993-07-03 | 1998-09-15 | Ernst Flitsch Gmbh & Co. | Plate heat exchanger with a refrigerant distributor |
FR2766914A1 (en) * | 1997-07-29 | 1999-02-05 | D Applic Thermiques Comp Ind | DISTRIBUTOR FOR FITTING INTRATUBULAR HEAT EXCHANGERS OF DIPHASIC-TYPE REFRIGERATION FLUID COOLING PLANTS |
-
2000
- 2000-03-07 FR FR0002922A patent/FR2806156B1/en not_active Expired - Fee Related
-
2001
- 2001-03-06 EP EP01913933A patent/EP1261829B1/en not_active Expired - Lifetime
- 2001-03-06 DE DE60122867T patent/DE60122867T2/en not_active Expired - Lifetime
- 2001-03-06 AT AT01913933T patent/ATE338926T1/en not_active IP Right Cessation
- 2001-03-06 WO PCT/FR2001/000662 patent/WO2001067009A1/en active IP Right Grant
- 2001-03-06 ES ES01913933T patent/ES2267730T3/en not_active Expired - Lifetime
- 2001-03-06 DK DK01913933T patent/DK1261829T3/en active
- 2001-03-06 AU AU2001239340A patent/AU2001239340A1/en not_active Abandoned
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2116960A1 (en) * | 1971-04-07 | 1972-10-19 | Messer Griesheim Gmbh | Plate type heat exchanger - having baffle inserts for 2-phase feed |
EP0043383A1 (en) * | 1980-07-08 | 1982-01-13 | Riedel Kälte- und Klimatechnik GmbH & Co, KG | Evaporator for liquid and/or gaseous media, especially for refrigeration plants and heat pumps |
DE3212914A1 (en) * | 1982-04-06 | 1983-10-13 | Waterkotte Wärmepumpen GmbH, 4690 Herne | Shell-and-tube heat exchanger |
US5806586A (en) * | 1993-07-03 | 1998-09-15 | Ernst Flitsch Gmbh & Co. | Plate heat exchanger with a refrigerant distributor |
FR2766914A1 (en) * | 1997-07-29 | 1999-02-05 | D Applic Thermiques Comp Ind | DISTRIBUTOR FOR FITTING INTRATUBULAR HEAT EXCHANGERS OF DIPHASIC-TYPE REFRIGERATION FLUID COOLING PLANTS |
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EP2889570B1 (en) | 2012-07-09 | 2017-08-09 | Sumitomo Precision Products Co., Ltd. | Heat exchanger |
US11612363B2 (en) | 2012-09-17 | 2023-03-28 | Abbott Diabetes Care Inc. | Methods and apparatuses for providing adverse condition notification with enhanced wireless communication range in analyte monitoring systems |
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Also Published As
Publication number | Publication date |
---|---|
DE60122867T2 (en) | 2007-02-01 |
DE60122867D1 (en) | 2006-10-19 |
ATE338926T1 (en) | 2006-09-15 |
ES2267730T3 (en) | 2007-03-16 |
AU2001239340A1 (en) | 2001-09-17 |
DK1261829T3 (en) | 2007-01-08 |
FR2806156B1 (en) | 2002-05-31 |
EP1261829B1 (en) | 2006-09-06 |
FR2806156A1 (en) | 2001-09-14 |
EP1261829A1 (en) | 2002-12-04 |
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