EP0844454B1 - Echangeur de chaleur à contre courant - Google Patents
Echangeur de chaleur à contre courant Download PDFInfo
- Publication number
- EP0844454B1 EP0844454B1 EP97115655A EP97115655A EP0844454B1 EP 0844454 B1 EP0844454 B1 EP 0844454B1 EP 97115655 A EP97115655 A EP 97115655A EP 97115655 A EP97115655 A EP 97115655A EP 0844454 B1 EP0844454 B1 EP 0844454B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- plate
- heat exchanger
- fluid
- counterflow heat
- section
- 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
Links
Images
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
- F28D9/0031—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 paired plates touching each other
- F28D9/0037—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 paired plates touching each other the conduits for the other heat-exchange medium also being formed by paired plates touching each other
-
- 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
- the invention relates to a counterflow heat exchanger according to the preamble of claim 1.
- a heat exchanger is known from DE-A-1 501 586, at which the plates in the area of the actual heat exchange sections can be waved sinusoidally.
- the above Publication is a variety of different fluid channel cross sections suggested by different designed waves of the plates can be achieved.
- the one over there proposed channel cross sections is common that the Transition between the flat cross section of each Plate and the corrugated cross section of the respective plate is provided abruptly.
- EP-A-0 732 552 is a counterflow heat exchanger known of a package of stacked plates has spaces that form gaps between them. On their the gaps to the direction of flow of the two alternating and flowing essentially antiparallel Edges parallel to fluid flows are the countercurrent heat exchanger forming plates tightly together connected. Each plate has a corrugated cross section Wave valleys and wave crests, the wave valleys against the wave crests of the plate adjacent on one side and the wave crests against the wave valleys of the other Apply to the adjacent plate.
- a counterflow heat exchanger the generic described above To create a type whose efficiency is further increased and in which a trouble-free entry of the fluid flows into the approximately circular fluid channels is guaranteed.
- the counterflow heat exchanger - in Direction of flow or seen in flow directions - both at one end and at the other End each an inlet section and an outlet section form, with a fluid flow through the inlet portion one end and the outlet section at the other end and the other fluid flow through the inlet section at the the other end and the outlet section at one end to be led.
- the counterflow heat exchanger according to the invention can be used a comparatively low design effort and with the smallest possible number of different components produce according to claim 7.
- Counterflow heat exchanger according to claim 8 essentially from only two types of plates.
- a in Figure 1 in cross section of its actual countercurrent section illustrated countercurrent heat exchanger according to the invention is made up of plates 1, one of which Type of construction is shown in Figure 2.
- the plates 1 In their the actual counterflow section of the counterflow heat exchanger middle sections 2 the plates 1 have a sinusoidally corrugated cross section 3 on.
- each plate 1 With the troughs 4 of the sinusoidally corrugated cross section 3 lies each plate 1 on the wave crests 5 of sinusoidal corrugated cross section on one side adjacent plate 1; the same applies to the wave crests 5 and the troughs 4 on the other side neighboring plate 1.
- each fluid channel 7, which flows through the one fluid or gas stream A. is surrounded on all sides by fluid channels 7, which by flow through the other fluid stream B.
- the Plates 1 bent at right angles on their long sides Edges 8, the dimensions of which are approximately twice the average Distance of the plates 1 corresponds to each other.
- the Edges 8 can be the plates 1 by welding or connect the adhesive seal.
- each plate has 1 the middle section 2, in which they are shown in Figure 1 has sinusoidally corrugated cross section 3; on that formed by the sinusoidally corrugated cross section 3 middle section or counterflow section 2 of the Plate 1 closes a transition section on both sides 9 or 10.
- transition sections 9 and 10 goes the plate 1 from the sinusoidally corrugated cross section 3 to a flat cross section 11 about how best to look Figures 3, 4 and 8 results.
- the inlet section 12 and the outlet section 13 taper triangular from the transition section 9 or 10.
- One leg 14 or 15 of the triangular inlet section or outlet section has a sealing edge 16 and 17 respectively, which in the case of the inlet section 12 on the left side of one shown in Figure 9 Plate longitudinal center line 18 and in the case of the outlet section 13 on the right side of this longitudinal plate center line 18 is arranged.
- the gas or fluid flow A, B occurs in the area of the sealing edge free Leg 19 of the inlet portion 12 in the Counterflow heat exchanger enters and occurs in the area of the sealing bend-free Leg 20 of the outlet section 13 on the counterflow heat exchanger.
- support elements 21 are provided, which are parallel to the sealing edge 16 or 17 of the Extend inlet section 12 or outlet section 13, so that the support elements 21 at the same time as fluid guide elements serve and those passing through the inlet portion 12 Gas or fluid flow A, B in the transition section 9 deflect or exit from the transition section 10 Gas or fluid flow A, B to the leg free of sealing bends Deflect 20 of the outlet portion 13.
- the support elements 21 correspond in terms of their dimensions in the thickness direction of the plate 1 the plate distance in Area of the two end sections of the countercurrent heat exchanger, so that they rest against the adjacent plate 1. This also results in the area of the two end sections of the counterflow heat exchanger even at strong different pressures of the two gas or fluid flows A, B sufficient stability.
- the counterflow heat exchanger according to the invention consists of Plates 1 of the type shown in Figure 2 and from plates 1 of the type of construction partially shown in FIG. 9, in which the sealing edges 16 and 17 as well as the support elements 21 perpendicular to the sealing edges 16, 17 and support elements 21 of the type of construction shown in FIG.
- the depth and number of wave valleys 4 and wave crests 5 of the sinusoidally corrugated cross section 3 in the middle or counterflow section 2 of the counterflow heat exchanger is arbitrary and according to the requirement profiles regarding the pressure loss and the heat recovery suitably selectable.
- the counterflow heat exchanger according to the invention can be due to the thermodynamic favorable countercurrent flow achieve high heat recovery rates; due to the smooth, almost circular cross-sections of the Fluid channels 7 in the middle or counterflow section 2 the pressure loss is comparatively low, being above in addition, the effort for the removal of dirt or the like. for this reason is significantly reduced.
- the individual plates 1 of the counterflow heat exchanger according to the invention support each other and a comparative rigid structure of the invention Form countercurrent heat exchanger, there is a Stability, even with large pressure differences between the two gas or fluid streams A, B is sufficient.
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)
Claims (9)
- Echangeur de chaleur à contre-courant avec des plaques (1) qui sont disposées au-dessus ou en-dessous les unes des autres ou les unes à côté des autres en formant des espaces intermédiaires (6), sont reliées les unes aux autres au niveau de leurs bords (8) parallèles aux deux flux de fluides (A, B) parcourant les espaces intermédiaires (6) en alternance et de manière essentiellement anti-parallèle, présentent une section transversale (3) ondulée avec des creux d'onde (4) et des crêtes d'onde (5) et sont en contact par leurs creux d'ondes (4) avec les crêtes d'ondes (5) de la plaque adjacente d'un côté et par leurs crêtes d'ondes (5) avec les creux d'ondes (4) de la plaque adjacente de l'autre côté, caractérisé en ce que la section transversale (3) de chaque plaque (1) est ondulée essentiellement en forme de sinusoïde, de sorte que les canaux à fluide (7) qui forment un espace intermédiaire (6) et se succèdent transversalement à la direction d'écoulement des flux de fluides (A, B) sont sensiblement circulaires et en ce que chaque plaque (1), au niveau de ses deux bords longitudinaux, dans un tronçon de transition (9, 10) passe, par diminution de la profondeur de ses creux (4) ou de la hauteur de ses crêtes (5), de sa section (3) ondulée en forme de sinusoïde à une section (11) plane.
- Echangeur de chaleur à contre-courant selon la revendication 1, dans lequel un tronçon d'entrée (12) se raccorde à l'un des tronçons de transition (9) de chaque plaque (1) et un tronçon de sortie (13) se raccorde à l'autre tronçon de transition (10) de chaque plaque (1), le tronçon d'entrée (12) et le tronçon de sortie (13), d'un côté de l'axe médian longitudinal (18) de la plaque, présentant un bord d'étanchéité (16, 17).
- Echangeur de chaleur à contre-courant selon la revendication 2, dans lequel le tronçon d'entrée (12) et le tronçon de sortie (13) de chaque plaque (1), à partir de leur extrémité côté tronçon de transition, se rétrécissent sensiblement en forme de triangle en direction de leur extrémité libre, l'un des côtés (14, 15) du tronçon d'entrée (12) et du tronçon de sortie (13) en forme de triangles portant le bord d'étanchéité (16, 17).
- Echangeur de chaleur à contre-courant selon la revendication 2 ou 3, dans lequel le tronçon d'entrée (12) et le tronçon de sortie (13) de chaque plaque (1) présentent des éléments de soutien (21) qui sont appliqués contre une plaque (1) adjacente.
- Echangeur de chaleur à contre-courant selon une des revendications 2 à 4, dans lequel le bord d'étanchéité (16) du tronçon d'entrée (12) d'une plaque (1) est situé d'un côté de l'axe médian longitudinal de la plaque et le bord d'étanchéité (17) du tronçon de sortie (13) de ladite plaque est situé de l'autre côté de l'axe médian longitudinal de la plaque.
- Echangeur de chaleur à contre-courant selon la revendication 4 ou 5, dans lequel les éléments de soutien (21) s'étendent parallèlement aux bords d'étanchéité (16, 17) et sont conformés en éléments de guidage du fluide.
- Echangeur de chaleur à contre-courant selon une des revendications 2 à 6, dans lequel le tronçon d'entrée (12) d'une plaque (1) est associé au tronçon de sortie (13) de la plaque (1) suivante et le tronçon de sortie (13) d'une plaque (1) est associé au tronçon d'entrée (12) de l'autre plaque (1), le bord d'étanchéité (16) du tronçon d'entrée (12) de l'une des plaques (1) étant situé d'un côté de l'axe médian longitudinal (18) de la plaque et le bord d'étanchéité (17) du tronçon de sortie (13) de la plaque (1) suivante, de l'autre côté de l'axe médian longitudinal (18) de la plaque, le bord d'étanchéité (17) du tronçon de sortie (13) de l'une des plaques (1) étant situé d'un côté de l'axe médian longitudinal (18) de la plaque et le bord d'étanchéité (16) du tronçon d'entrée (12) de la plaque (1) suivante, de l'autre côté de l'axe médian longitudinal (18) de la plaque, les éléments (21) de soutien et de guidage de fluide des tronçons d'entrée (12) et de sortie (13) d'une plaque (1) étant perpendiculaires aux éléments (21) de soutien et de guidage de fluide des tronçons d'entrée (12) et de sortie (13) de la plaque (1) suivante.
- Echangeur de chaleur à contre-courant selon la revendication 7 fabriqué à partir de deux types de plaques, les bords d'étanchéité (16, 17) et les éléments (21) de soutien et de guidage de fluide d'un type de plaque étant disposés perpendiculairement aux bords d'étanchéité (16, 17) et éléments (21) de soutien et de guidage de fluide de l'autre type de plaque, une plaque (1) d'un type de plaque suivant une plaque (1) de l'autre type de plaque.
- Echangeur de chaleur à contre-courant selon une des revendications 1 à 8, dans lequel les dimensions des bords (8) parallèles à la direction d'écoulement des flux de fluide (A, B) correspond au double de la distance entre plaques.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19648139A DE19648139A1 (de) | 1996-11-21 | 1996-11-21 | Gegenstromwärmetauscher |
DE19648139 | 1996-11-21 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0844454A1 EP0844454A1 (fr) | 1998-05-27 |
EP0844454B1 true EP0844454B1 (fr) | 2002-12-11 |
Family
ID=7812310
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97115655A Expired - Lifetime EP0844454B1 (fr) | 1996-11-21 | 1997-09-10 | Echangeur de chaleur à contre courant |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0844454B1 (fr) |
AT (1) | ATE229634T1 (fr) |
DE (2) | DE19648139A1 (fr) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19813119A1 (de) * | 1998-03-25 | 1999-10-07 | Inst Energetik Und Umwelt Ggmb | Turbulenzwärmerückgewinner und Anwendungen desselben |
DE20115568U1 (de) * | 2001-09-21 | 2001-11-22 | Blum, Theodor, 79241 Ihringen | Gegenstromwärmetauscher |
CN100402966C (zh) * | 2003-06-05 | 2008-07-16 | 松下环境系统株式会社 | 热交换器 |
US8047272B2 (en) | 2005-09-13 | 2011-11-01 | Catacel Corp. | High-temperature heat exchanger |
US7591301B2 (en) | 2005-09-13 | 2009-09-22 | Catacel Corp. | Low-cost high-temperature heat exchanger |
US7594326B2 (en) | 2005-09-13 | 2009-09-29 | Catacel Corp. | Method for making a low-cost high-temperature heat exchanger |
NL1030270C2 (nl) * | 2005-10-26 | 2007-04-27 | Level Holding Bv | Werkwijze en inrichting voor het vervaardigen van een warmtewisselaar. |
CZ300999B6 (cs) * | 2007-09-27 | 2009-10-07 | 2 V V S. R. O. | Protiproudý rekuperacní výmeník |
DE102008014375A1 (de) * | 2008-03-17 | 2009-09-24 | Behr Gmbh & Co. Kg | Gaskühler |
CN102062550B (zh) * | 2009-11-13 | 2012-07-11 | 王光能 | 高效热交换器的加工方法 |
JP7247251B2 (ja) * | 2021-03-30 | 2023-03-28 | 本田技研工業株式会社 | 熱交換器 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE854363C (de) * | 1951-03-20 | 1952-11-04 | Porsche Konstruktionen G M B H | Waermeaustauscher |
GB1007879A (en) * | 1963-10-09 | 1965-10-22 | Ici Ltd | Improvements in or relating to heat-exchangers |
GB1048122A (en) * | 1966-08-12 | 1966-11-09 | Nicholson Terence Peter | Improvements in and relating to plate type heat exchangers |
DE1601216B2 (de) * | 1967-11-03 | 1971-06-16 | Linde Ag, 6200 Wiesbaden | Blechtafel fuer platten waermetauscher mit einem stapel solcher blechtafeln |
FR2559249B1 (fr) * | 1984-02-06 | 1986-06-13 | Hamon | Feuille thermoformee pour echangeur de chaleur gaz/gaz a plaques et echangeur en resultant |
DE4333904C2 (de) * | 1993-09-27 | 1996-02-22 | Eberhard Dipl Ing Paul | Kanalwärmetauscher |
EP0732552A4 (fr) * | 1994-10-05 | 2000-08-02 | Kajima Corp | Ensemble d'alimentation en air froid |
NL1000706C2 (nl) * | 1995-06-30 | 1996-12-31 | Level Energietech Bv | Warmtewisselaar met verbeterde configuratie. |
DE29620248U1 (de) * | 1996-11-21 | 1997-02-13 | Kuhr Thomas | Gegenstromwärmetauscher aus Profilplatten |
-
1996
- 1996-11-21 DE DE19648139A patent/DE19648139A1/de not_active Ceased
-
1997
- 1997-09-10 EP EP97115655A patent/EP0844454B1/fr not_active Expired - Lifetime
- 1997-09-10 DE DE59708945T patent/DE59708945D1/de not_active Expired - Lifetime
- 1997-09-10 AT AT97115655T patent/ATE229634T1/de active
Also Published As
Publication number | Publication date |
---|---|
EP0844454A1 (fr) | 1998-05-27 |
DE19648139A1 (de) | 1998-05-28 |
ATE229634T1 (de) | 2002-12-15 |
DE59708945D1 (de) | 2003-01-23 |
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