EP3769024A1 - Echangeur de chaleur avec dispositif melangeur liquide/gaz ameliore - Google Patents
Echangeur de chaleur avec dispositif melangeur liquide/gaz amelioreInfo
- Publication number
- EP3769024A1 EP3769024A1 EP19718903.8A EP19718903A EP3769024A1 EP 3769024 A1 EP3769024 A1 EP 3769024A1 EP 19718903 A EP19718903 A EP 19718903A EP 3769024 A1 EP3769024 A1 EP 3769024A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- channel
- phase
- mixing device
- longitudinal direction
- fluid
- 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
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
- F28D9/0062—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 spaced plates with inserted elements
- F28D9/0068—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 spaced plates with inserted elements with means for changing flow direction of one heat exchange medium, e.g. using deflecting zones
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
- F28F3/02—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
- F28F3/04—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element
- F28F3/048—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element in the form of ribs integral with the element or local variations in thickness of the element, e.g. grooves, microchannels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
- F28F3/12—Elements constructed in the shape of a hollow panel, e.g. 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
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J2290/00—Other details not covered by groups F25J2200/00 - F25J2280/00
- F25J2290/32—Details on header or distribution passages of heat exchangers, e.g. of reboiler-condenser or plate heat exchangers
-
- 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
- F28F2250/108—Particular pattern of flow of the heat exchange media with combined cross flow and parallel flow
Definitions
- These exchangers comprise plates between which are inserted heat exchange waves, formed of a succession of fins or wavelength legs, thus constituting a stack of vaporization passages and condensation passages, one intended to vaporize water. refrigerant and the others to condense a caloric gas.
- the heat exchanges between the fluids can take place with or without phase change.
- liquid phase and gas phase In order to ensure the proper functioning of a heat exchanger using a liquid-gas mixture, the proportion of liquid phase and gas phase must be the same in all the passages and must be uniform within the same passage.
- the exchanger of the invention may include one or more of the following technical characteristics: the distances between the successive positions vary in a monotonic or quasi-monotonic manner along the longitudinal direction.
- the mixing device has, in the longitudinal direction, a decrease in distances between two successive positions.
- the mixing device is divided, in the longitudinal direction, into at least a first portion and a second portion, the first portion having, in the longitudinal direction, an increase in distances between two successive positions and the second portion having, in the direction longitudinal, a decrease in distances between two successive positions.
- the first channel and / or the second channel are rectilinear.
- the invention relates to a method of adjusting the position of the orifices of a mixing device arranged in an exchanger according to the invention, said method comprising the following steps:
- the method further comprises a step e) of defining the distances modified in step d) as predetermined distances, the steps c) to d) being repeated at least once, preferably between 1 and 5 times, of more preferably 2 times at most.
- FIG. 1 is a diagrammatic view, in a plane of section parallel to the plates of a heat exchanger, of part of a passage of a heat exchanger fed with a two-phase liquid-gas mixture in accordance with one embodiment of the invention; of the invention;
- Figure 1 illustrates a heat exchanger 1 comprising a stack of plates 2 (not visible) which extend in two dimensions, parallel to a plane defined by a longitudinal direction z and a lateral direction y.
- the plates 2 are arranged parallel to each other spacially and thus form a plurality of fluid passages in indirect heat exchange relation via said plates.
- each passage has a parallelepipedal and flat shape.
- the gap between two successive plates is small in front of the length, measured along the lateral direction y, and the width, measured along the longitudinal direction z, of each passage.
- the exchanger 1 may comprise a number of plates greater than 20, or even greater than 100, defining between them a first series of passages 10 for channeling at least a first fluid F1, and a second series of passages 20 (not visible in FIG. 1) for channeling at least one second fluid F2, the flow of said fluids occurring generally in the y direction.
- the passages 10 of the first series may be arranged wholly or partly, alternately or adjacent to all or part of the passages 20 of the second series.
- the tightness of the passages 10, 20 along the edges of the plates 2 is generally ensured by lateral and longitudinal sealing strips 4 fixed to the plates 2.
- the lateral sealing strips 4 do not completely close the passages 10, 20 but advantageously leave fluid inlet and outlet openings in the diagonally opposite corners of the passages.
- Figure 1 illustrates a passage 10 of the first series 1 configured to distribute a first fluid F1 in the form of a two-phase mixture, also called two-phase mixture.
- the first fluid F1 is separated in a separator device 6 into a first phase 61 and a second phase 62 introduced separately into the exchanger 1 via a first manifold 30 and a second manifold 50 separate.
- the first and second phases 61, 62 are then mixed one with the other by means of a mixing device 3 arranged in the passage 10.
- several passages 10, or even all the passages 10 of the first series comprises a mixing device 3.
- the first phase 61 is liquid and the second phase 62 is gaseous.
- the mixing device 3 is advantageously of parallelepipedal general shape.
- the mixing device 3 is a monolithic piece, i. e. formed of a block or one piece.
- the mixing device 3 may have, parallel to the lateral direction y, a first dimension of between 20 and 200 mm and, parallel to the longitudinal direction z, a second dimension of between 100 and 1400 mm.
- the first and second channels 31, 32 are advantageously in the form of longitudinal recesses formed in the mixing device 3.
- the orifices 34 are advantageously holes 34 made in the material of the device 3 and extending between the first channel 31 and the second channel 32, preferably in the vertical direction x.
- the orifices 34 are cylindrically symmetrical.
- said at least one first channel 31 comprises a bottom wall 3c and said at least one second channel comprises a top wall 3d which extends facing the bottom wall 3c, the orifices 34 being pierced in the wall bottom of the first channel 31 and opening into the top wall of the second channel 32.
- the distances between the successive positions z ⁇ ,, Zi + i,. .. vary monotonically or near-monotonically in the longitudinal direction z.
- the direction of variation of the successive positions z ⁇ ,, Zi + i,. .. is constant or generally constant along the longitudinal direction z.
- a mixing device 3 can be configured by adjusting the position of the orifices 34 according to the steps described below. Note that all or part of these steps can be implemented by numerical simulation, in particular by numerical fluid simulation (acronym CFD for Computational Fluid Dynamics in English) or by correlation of pressure losses along the first channel 31 and orifices. 34 or by real measures, ...
- a single step of repositioning the orifices 34 ,, 34i + i , ... may be sufficient to homogenize the distribution of the first phase on the width of the mixing device 3.
- the mixing device 3 generally forms a parallelepiped delimited in particular by a first surface 3a intended to be arranged opposite a plate 2 of the exchanger and a second surface 3b arranged opposite another plate 2
- the first and second surfaces 3a, 3b preferably extend generally parallel to the plates 2.
- the mixing device 3 is preferably arranged in the passage 10 so that the first and second surfaces 3a, 3b are in contact with the plates. 2.
- the channels 31, 32 are advantageously in the form of recesses formed within the mixing device 3. They may or may not open at the surfaces 3a and / or 3b.
- the exchanger according to the invention is mainly described in the case where the passages 10, 20 extend in the lateral direction y, the first longitudinal channel 31 extending in the direction of flow z and the lateral channel 32 extending in the lateral direction y orthogonal to the direction z.
- the opposite is also conceivable, for example a first longitudinal channel 31 extending in the lateral direction y and a lateral channel 32 extending in the direction of flow z.
- the directions y and z may also not be orthogonal to each other.
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)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1852469A FR3079291B1 (fr) | 2018-03-22 | 2018-03-22 | Echangeur de chaleur avec dispositif melangeur liquide-gaz ameliore |
| PCT/FR2019/050642 WO2019180384A1 (fr) | 2018-03-22 | 2019-03-21 | Echangeur de chaleur avec dispositif melangeur liquide/gaz ameliore |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3769024A1 true EP3769024A1 (fr) | 2021-01-27 |
| EP3769024B1 EP3769024B1 (fr) | 2022-10-12 |
Family
ID=63014661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP19718903.8A Active EP3769024B1 (fr) | 2018-03-22 | 2019-03-21 | Echangeur de chaleur avec dispositif melangeur liquide/gaz ameliore |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20200408466A1 (fr) |
| EP (1) | EP3769024B1 (fr) |
| JP (1) | JP7309739B2 (fr) |
| FR (1) | FR3079291B1 (fr) |
| WO (1) | WO2019180384A1 (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115615233A (zh) * | 2022-11-08 | 2023-01-17 | 中国核动力研究设计院 | 流体承载组件及热量交换装置 |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102846787B1 (ko) * | 2023-02-27 | 2025-08-18 | 성균관대학교산학협력단 | 다층 채널 구조를 갖는 히트싱크 |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4450903A (en) * | 1982-09-20 | 1984-05-29 | The Trane Company | Plate type heat exchanger with transverse hollow slotted bar |
| DE3415807A1 (de) * | 1984-04-27 | 1985-10-31 | Linde Ag, 6200 Wiesbaden | Waermetauscher |
| JPH04371798A (ja) * | 1991-06-21 | 1992-12-24 | Hitachi Ltd | 熱交換器 |
| JP2538486Y2 (ja) * | 1993-04-21 | 1997-06-18 | 住友精密工業株式会社 | プレートフィン型気液二相流熱交換器 |
| JPH10157447A (ja) * | 1996-11-27 | 1998-06-16 | Calsonic Corp | 熱交換器 |
| FR2963091B1 (fr) * | 2010-07-20 | 2012-08-17 | Univ Savoie | Module de circulation de fluides |
| CN101922883B (zh) | 2010-09-13 | 2012-09-26 | 三花控股集团有限公司 | 制冷剂导管和具有该制冷剂导管的换热器 |
| CN102079038B (zh) * | 2010-12-08 | 2013-02-13 | 三花控股集团有限公司 | 一种换热器及其制冷剂导流管,以及制冷剂导流管的加工方法 |
| JP6190349B2 (ja) * | 2013-12-05 | 2017-08-30 | 株式会社神戸製鋼所 | 熱交換器 |
| CN103983138A (zh) | 2014-05-16 | 2014-08-13 | 杭州杭氧股份有限公司 | 一种铝制板翅式换热器大气量两相流均布装置 |
| CN104180703A (zh) * | 2014-08-20 | 2014-12-03 | 中国海洋石油总公司 | 气液两相均布装置 |
| CN105486106A (zh) * | 2015-12-29 | 2016-04-13 | 无锡佳龙换热器股份有限公司 | 一种天然气气液均布换热装置 |
| FR3053452B1 (fr) * | 2016-07-01 | 2018-07-13 | L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Echangeur de chaleur comprenant un dispositif de distribution d'un melange liquide/gaz |
-
2018
- 2018-03-22 FR FR1852469A patent/FR3079291B1/fr not_active Expired - Fee Related
-
2019
- 2019-03-21 EP EP19718903.8A patent/EP3769024B1/fr active Active
- 2019-03-21 WO PCT/FR2019/050642 patent/WO2019180384A1/fr not_active Ceased
- 2019-03-21 US US16/978,036 patent/US20200408466A1/en not_active Abandoned
- 2019-03-21 JP JP2020547200A patent/JP7309739B2/ja active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115615233A (zh) * | 2022-11-08 | 2023-01-17 | 中国核动力研究设计院 | 流体承载组件及热量交换装置 |
| CN115615233B (zh) * | 2022-11-08 | 2023-04-07 | 中国核动力研究设计院 | 流体承载组件及热量交换装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019180384A1 (fr) | 2019-09-26 |
| EP3769024B1 (fr) | 2022-10-12 |
| JP7309739B2 (ja) | 2023-07-18 |
| US20200408466A1 (en) | 2020-12-31 |
| JP2021517232A (ja) | 2021-07-15 |
| FR3079291B1 (fr) | 2020-07-10 |
| FR3079291A1 (fr) | 2019-09-27 |
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