EP2053335B1 - Echangeur thermique à plaques destiné à la soumission d'un flux d'air entrant à une énergie de refroidissement - Google Patents
Echangeur thermique à plaques destiné à la soumission d'un flux d'air entrant à une énergie de refroidissement Download PDFInfo
- Publication number
- EP2053335B1 EP2053335B1 EP08014824A EP08014824A EP2053335B1 EP 2053335 B1 EP2053335 B1 EP 2053335B1 EP 08014824 A EP08014824 A EP 08014824A EP 08014824 A EP08014824 A EP 08014824A EP 2053335 B1 EP2053335 B1 EP 2053335B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- heat exchanger
- air flow
- plate heat
- cooling air
- plate
- 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.)
- Not-in-force
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0059—Indoor units, e.g. fan coil units characterised by 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
- F28F13/00—Arrangements for modifying heat-transfer, e.g. increasing, decreasing
- F28F13/18—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by applying coatings, e.g. radiation-absorbing, radiation-reflecting; by surface treatment, e.g. polishing
- F28F13/185—Heat-exchange surfaces provided with microstructures or with porous coatings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2245/00—Coatings; Surface treatments
- F28F2245/02—Coatings; Surface treatments hydrophilic
Definitions
- the invention relates to an arrangement according to the preamble of claim 1. Such an arrangement is made DE-A-10 2005 003 543 known.
- the cooling air flow upstream ie before the plate heat exchanger, is moistened by means of a suitable spraying device.
- the moistening operation of the spraying device takes place according to a non-published embodiment with temporal timing, since a continuous moistening of the cooling air flow would have the consequence that extremely small nozzle bores would have to be realized.
- such small nozzle holes have the consequence that they easily clog and so that irregularities in the operation of the spraying device result. This can cause operational disturbances.
- the invention has the object of providing a plate heat exchanger of the type described in such a way that it, without impurities or contamination occur on the supply air flow exposed side of its heat exchanger plates can provide a quasi-constant temperature level.
- the hydrophilic lacquer coating is formed on the side contacted by the cooling air flow side of the heat exchanger plate so that in its moisture from the cooling air flow can be stored. Moisture can be absorbed by this storage medium, which is not in operation in those periods in which the temporally clocked spraying device, which upstream of the plate heat exchanger and the upstream of the plate heat exchanger with moisture. As a result of this release of moisture from the storage medium to the free surface of the hydrophilic lacquer coating, a largely constant layer thickness of the wetting on this free surface can be ensured, which ultimately results in no temperature fluctuations occurring on the side of the heat exchanger plates of the plate heat exchanger exposed to the supply air flow.
- An inorganic storage medium is provided in the hydrophilic lacquer coating of the sides of the heat exchanger plates contacted by the cooling air flow, so that any impurities and microbial contamination critical for the operation of the plate heat exchanger are reliably avoided.
- zeolite As an inorganic storage medium zeolite has proven particularly advantageous, which can be provided in a simple manner in the hydrophilic lacquer coating. In particular in nanocrystalline form, zeolite has proved to be advantageous, preferably a particle diameter ⁇ 1000 nm (nanometers) and in particular between 100 nm and 500 nm should be maintained. Such zeolite materials can in an excellent manner in cooperation with the hydrophilic lacquer coating store moisture within the coating itself, this moisture can be delivered to the free surface of the paint coating in downtime of the arranged in the cooling air flow upstream or in front of the plate heat exchanger spraying.
- the cooling air flow flowing through the plate heat exchanger can be an exhaust air flow or an outside air flow or a mixture of exhaust air flow and outside air flow, the cooling air flow designed in this way preferably being humidified adiabatically.
- the heat exchanger plates of the plate heat exchanger may be formed of a metallic material or plastic.
- a plate heat exchanger according to the invention has a multiplicity of heat exchanger plates 1 arranged at a distance from each other in a manner known per se, of which a section is shown in the single figure.
- Each of these plurality of heat exchanger plates 1 has a side 2, which is contacted by a supply air stream 3, and another or other side 4, which is contacted by a cooling air flow 5.
- the plate heat exchanger having the plurality of heat exchanger plates 1 serves for cooling energy from the cooling air flow 5 withdraw and hereby act on the supply air stream 3.
- the cooling air flow 5 is for this purpose upstream, i. in front of the plate heat exchanger, adiabatically charged with moisture. Serves for this purpose a Bedüsungsvorraum not shown in the figure, which humidifies the cooling air flow 5 upstream of the heat exchanger.
- a Bedüsungsvorraum not shown in the figure, which humidifies the cooling air flow 5 upstream of the heat exchanger.
- an exhaust air flow or an outside air flow can be used as the cooling air flow 5.
- the moistened cooling air flow 5 carries with it the moisture introduced into the plate heat exchanger or its heat exchanger plates 1.
- Each heat exchanger plate 1 of the plate heat exchanger is provided at its other, the cooling air flow 5 facing and contacted by this page 4 with a hydrophilic lacquer coating 6.
- a hydrophilic lacquer coating 6 On the outside of the hydrophilic lacquer coating 6, the moisture contained in the cooling air flow 5 settles in the form of a moisture layer.
- the hydrophilic lacquer coating is designed such that the wetting of their free surface is as uniform as possible, so that the other side 4 of the heat exchanger plate 1 is wetted over the entire surface and with the same thickness. This results in favorable transmission options for the cooling air flow side cooling energy to the supply air flow.
- zeolite 7 is introduced into the hydrophilic lacquer coating as a storage medium. Moisture can be present in the zeolite 7 contained in the lacquer coating 6 be recorded and stored, which is discharged at a standstill of the upstream of the plate heat exchanger, the cooling air flow 5 acting jet device gradually to the free surface of the lacquer coating 6, so that the layer thickness of the wetting layer remains substantially constant.
- the zeolite 7 or storage medium used is preferably a nanocrystalline zeolite having a particle diameter between 100 and 500 nm (nanometers).
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Combustion & Propulsion (AREA)
- Crystallography & Structural Chemistry (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
- Separation By Low-Temperature Treatments (AREA)
Claims (6)
- Agencement pour alimenter un flux d'air d'arrivée (3) avec de l'énergie de refroidissement, comprenant un échangeur de chaleur à plaques, dans lequel de l'énergie de refroidissement peut être prélevée sur un flux d'air de refroidissement (5) et transmise au flux d'air d'arrivée (3), l'échangeur de chaleur à plaques présentant des plaques d'échangeur de chaleur (1), qui peuvent être mises en contact par l'un de leurs côtés (2) par le flux d'air d'arrivée (3) et par leur autre côté (4) par le flux d'air de refroidissement (5) et dont des côtés (4), mis en contact par le flux d'air de refroidissement (5), sont dotés d'un revêtement (6) hydrophile, qui peut être humecté avec de l'humidité provenant du flux d'air de refroidissement (5), dans lequel un milieu accumulateur (7) inorganique est présent et de l'humidité provenant du flux d'air de refroidissement (5) peut être stockée, caractérisé en ce que le revêtement (6) hydrophile est conçu sous forme de revêtement de laque (6) hydrophile sur le côté (4), mis en contact par le flux d'air de refroidissement (5), de la plaque d'échangeur de chaleur (1), et en ce que l'agencement présente un système d'injection par buse, au moyen duquel un flux d'air évacué ou un flux d'air extérieur peut être humecté de façon adiabatique sous forme de flux d'air de refroidissement (5) en amont de l'échangeur de chaleur à plaques et dont le mode d'humidification s'effectue avec une synchronisation dans le temps.
- Echangeur de chaleur à plaques selon la revendication 1, sur lequel de la zéolite (7) est prévue comme milieu accumulateur inorganique dans le revêtement de laque (6) hydrophile des côtés (4), mis en contact par le flux d'air de refroidissement (5), des plaques d'échangeur de chaleur (1).
- Echangeur de chaleur à plaques selon la revendication 2, sur lequel une zéolite (7) nanocristalline est prévue comme zéolite.
- Echangeur de chaleur à plaques selon la revendication 3, sur lequel la zéolite (7) nanocristalline présente un diamètre de particule < 1 000 nm (nanomètres).
- Echangeur de chaleur à plaques selon la revendication 4, sur lequel la zéolite (7) nanocristalline présente un diamètre de particule compris entre 100 nm et 500 nm.
- Echangeur de chaleur à plaques selon l'une quelconque des revendications 1 à 5, dont les plaques d'échangeur de chaleur (1) sont conçues en métal ou en matière synthétique.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL08014824T PL2053335T3 (pl) | 2007-10-26 | 2008-08-21 | Płytowy wymiennik ciepła do zasilania strumienia powietrza dolotowego energią chłodzącą |
SI200830342T SI2053335T1 (sl) | 2007-10-26 | 2008-08-21 | Ploĺ äśati izmenjevalec toplote za polnjenje s hlajenim zrakom |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102007051699A DE102007051699A1 (de) | 2007-10-26 | 2007-10-26 | Plattenwärmetauscher zur Beaufschlagung eines Zuluftstroms mit Kühlenergie |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2053335A1 EP2053335A1 (fr) | 2009-04-29 |
EP2053335B1 true EP2053335B1 (fr) | 2011-07-20 |
Family
ID=40292539
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08014824A Not-in-force EP2053335B1 (fr) | 2007-10-26 | 2008-08-21 | Echangeur thermique à plaques destiné à la soumission d'un flux d'air entrant à une énergie de refroidissement |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP2053335B1 (fr) |
AT (1) | ATE517304T1 (fr) |
DE (1) | DE102007051699A1 (fr) |
DK (1) | DK2053335T3 (fr) |
ES (1) | ES2367205T3 (fr) |
HR (1) | HRP20110665T1 (fr) |
PL (1) | PL2053335T3 (fr) |
SI (1) | SI2053335T1 (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8480793B2 (en) | 2010-09-15 | 2013-07-09 | Exxonmobil Research And Engineering Company | Method and apparatus for removing contaminant from fluid |
ES2527826T3 (es) | 2012-01-20 | 2015-01-30 | Zehnder Verkaufs- Und Verwaltungs Ag | Elemento de intercambiador de calor y procedimiento para la producción |
ES2685068T3 (es) | 2013-07-19 | 2018-10-05 | Westwind Limited | Elemento de intercambiador de calor/entalpía y método para la producción |
DE102014017362A1 (de) * | 2014-11-24 | 2016-05-25 | Klingenburg Gmbh | Plattenelement für einen Plattenwärmetauscher |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4129700C2 (de) * | 1990-09-14 | 2001-03-22 | Seibu Giken Fukuoka Kk | Verfahren zur Herstellung eines Wärmetauscherelements, sowie danach hergestelltes Wärmetauscherelement |
US6500490B1 (en) * | 2000-03-23 | 2002-12-31 | Honeywell International Inc. | Hydrophilic zeolite coating |
JP4975970B2 (ja) * | 2005-01-21 | 2012-07-11 | 日本エクスラン工業株式会社 | 収着式熱交換モジュールおよびその製法 |
DE102005003543A1 (de) * | 2005-01-26 | 2006-08-03 | Klingenburg Gmbh | Feuchtigkeits- und/oder Wärmeaustauschvorrichtung, z.B. Plattenwärmetauscher, Sorptionsrotor, Adsorptionsentfeuchtungsrotor oder dgl. |
-
2007
- 2007-10-26 DE DE102007051699A patent/DE102007051699A1/de not_active Withdrawn
-
2008
- 2008-08-21 EP EP08014824A patent/EP2053335B1/fr not_active Not-in-force
- 2008-08-21 ES ES08014824T patent/ES2367205T3/es active Active
- 2008-08-21 SI SI200830342T patent/SI2053335T1/sl unknown
- 2008-08-21 DK DK08014824.0T patent/DK2053335T3/da active
- 2008-08-21 AT AT08014824T patent/ATE517304T1/de active
- 2008-08-21 PL PL08014824T patent/PL2053335T3/pl unknown
-
2011
- 2011-09-15 HR HR20110665T patent/HRP20110665T1/hr unknown
Also Published As
Publication number | Publication date |
---|---|
SI2053335T1 (sl) | 2011-09-30 |
DE102007051699A1 (de) | 2009-04-30 |
ATE517304T1 (de) | 2011-08-15 |
ES2367205T3 (es) | 2011-10-31 |
PL2053335T3 (pl) | 2011-12-30 |
DK2053335T3 (da) | 2011-10-31 |
EP2053335A1 (fr) | 2009-04-29 |
HRP20110665T1 (hr) | 2011-10-31 |
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