EP4019873A1 - Adiabatischer kühler oder kondensator mit einer anordnung von wärmetauschern, die von einem luftstrom durchströmt werden - Google Patents

Adiabatischer kühler oder kondensator mit einer anordnung von wärmetauschern, die von einem luftstrom durchströmt werden Download PDF

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Publication number
EP4019873A1
EP4019873A1 EP21210203.2A EP21210203A EP4019873A1 EP 4019873 A1 EP4019873 A1 EP 4019873A1 EP 21210203 A EP21210203 A EP 21210203A EP 4019873 A1 EP4019873 A1 EP 4019873A1
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EP
European Patent Office
Prior art keywords
fluid
heat exchangers
condenser
condensed
cooled
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.)
Pending
Application number
EP21210203.2A
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English (en)
French (fr)
Inventor
Philippe Duhamel
Jean Philippe OLIVEIRA
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Jacir SAS
Original Assignee
Jacir SAS
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Application filed by Jacir SAS filed Critical Jacir SAS
Publication of EP4019873A1 publication Critical patent/EP4019873A1/de
Pending legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28B—STEAM OR VAPOUR CONDENSERS
    • F28B1/00—Condensers in which the steam or vapour is separate from the cooling medium by walls, e.g. surface condenser
    • F28B1/06—Condensers in which the steam or vapour is separate from the cooling medium by walls, e.g. surface condenser using air or other gas as the cooling medium
    • 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
    • F28D5/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, using the cooling effect of natural or forced evaporation
    • 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
    • F28D5/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, using the cooling effect of natural or forced evaporation
    • F28D5/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, using the cooling effect of natural or forced evaporation in which the evaporating medium flows in a continuous film or trickles freely over the conduits

Definitions

  • the present invention relates to the field of the generation of cold, more particularly, the cooling circuits of a fluid, for example water, and the refrigeration circuits.
  • the present invention relates in particular to coolers and air-cooled condensers.
  • a fluid cooling circuit can include one or more air/liquid exchangers.
  • a refrigeration circuit generally comprises successively a compressor, a condenser, an expansion valve and an evaporator.
  • the cooling circuits and the refrigerating circuits make it possible to efficiently and economically evacuate to an external environment heat generated by a device, for example an air conditioning installation, a cold room, or industrial processes.
  • the present invention finds a preferred application for so-called “adiabatic” water-dispersion or media-based air coolers and condensers.
  • the chiller differs from the air condenser only in that the heat evacuated is not used to condense a gas into liquid but simply to cool a fluid.
  • the condensation of the refrigerant is carried out by ventilation of an air flow A set in motion by one or more fans 2 on a heat exchange battery 3 containing the refrigerant and configured to pass the refrigerant from a gaseous form F E to a liquid form Fs.
  • the movement of the airflow A is represented by arrows. Airflow A only passes through a heat exchange coil.
  • the adiabatic air condenser 1 comprises an air humidification device 4 arranged upstream of the heat exchange battery 3 in the direction of circulation of the air flow A.
  • the device 4 for humidifying the air comprises a medium 4a, a system 4b for spraying the medium 4a with a fluid, for example water, arranged above the said medium 4a and configured to humidify the said medium 4a and a system 4c for recovering or collecting humidification fluid after having passed through the medium 4a.
  • the condensing battery comprises either a plurality of tubes and fins, or micro-channels.
  • a refrigerant circulates in the tubes of the condensing coil.
  • the tubes thereof are connected to a refrigerant inlet manifold and to a refrigerant outlet manifold.
  • the tubes of the condensing coil are interconnected, depending on the number of passes, by 180° bends.
  • the air humidification device comprises a system 5 for spraying a fluid through spray nozzles.
  • the spray system 5 is mounted upstream of the heat exchange battery 3 in the direction of circulation of the air flow A.
  • the object of the present invention is therefore to overcome the above drawbacks and to improve the so-called "adiabatic" water dispersion or media coolers/condensers in order to increase the heat exchange between the air and the battery of heat exchange.
  • the subject of the invention is an adiabatic cooler or condenser comprising at least one set of heat exchangers through which a flow of air passes and comprising at least a first group comprising a first heat exchanger or heat exchanger in which is intended to circulate a fluid, for example a fluid to be cooled or condensed, such as for example a refrigerant fluid, water, glycol, a mixture of water and glycol or any other fluid suitable for being condensed or cooled.
  • a fluid to be cooled or condensed such as for example a refrigerant fluid, water, glycol, a mixture of water and glycol or any other fluid suitable for being condensed or cooled.
  • the adiabatic cooler or condenser further comprises a first air humidification device arranged upstream of the first heat exchanger.
  • Said heat exchanger assembly comprises at least a second group arranged upstream or downstream of the first group comprising a second heat exchanger or heat exchanger in which a fluid is intended to circulate, for example a fluid to be cooled or to be condensed, and a second air humidification device arranged upstream of the second heat exchanger.
  • upstream and downstream are taken into consideration in the direction of circulation of the air flow in the adiabatic cooler or condenser.
  • the two heat exchangers can be grouped together in a single heat exchanger by manufacture while leaving a space inside the exchanger, that is to say between two parts of the exchanger, to integrate a humidifying device.
  • the connection of the two parts of the heat exchanger can then be made by manufacturing tubes by tubes, that is to say circuits by circuits, by means of 180° bends.
  • the adiabatic cooler or condenser comprises, in the direction of circulation of the air flow set in motion for example by fans mounted on the cooler or condenser adiabatic, the first external air humidification device, the first external heat exchanger, directly downstream of the first external air humidification device the air, the second internal air humidification device directly downstream of the first heat exchanger and the second internal heat exchanger directly downstream of the second internal air humidification device.
  • the adiabatic cooler or condenser comprises, in the direction of circulation of the air flow set in motion for example by fans mounted on the adiabatic cooler or condenser, the second external air humidification device, the second external heat exchanger, directly downstream of the second external air humidification device, the first internal air humidification device directly downstream of the second exchanger heat exchanger and the first internal heat exchanger directly downstream of the first internal air humidification device.
  • a group comprising a heat exchanger and a humidification device makes it possible to increase the heat exchange between the air and the heat exchanger by increasing the humidification of the air and thus to reduce the temperature of the cooled or condensed fluid.
  • the groups of the heat exchanger assembly are advantageously arranged in series in the air flow.
  • the groups of the heat exchanger assembly are in contact.
  • the heat exchanger assembly comprises a number of groups greater than two, for example equal to three, the adjacent groups are in contact.
  • the groups are mounted in parallel in the direction of air circulation.
  • At least one of the heat exchangers comprises an inlet manifold for the fluid to be condensed or cooled and a first row of fluid outlet tubes and at least the other of the heat exchangers comprises a first row of tubes to fluid inlet and an outlet manifold for the fluid to be condensed or cooled, the first row of fluid outlet tubes of one of the exchangers heat exchanger being connected to the first row of fluid inlet tubes of the other of the heat exchangers.
  • the first row of fluid outlet tubes of one of the heat exchangers is directly connected to the first row of fluid inlet tubes of the other of the heat exchangers.
  • each heat exchanger comprises a fluid inlet manifold and a fluid outlet manifold, the outlet manifold of one of the heat exchangers being connected by a conduit to the inlet manifold of the other of the heat exchangers.
  • the first row of fluid outlet tubes of one of the heat exchangers is indirectly connected to the first row of fluid inlet tubes of the other of the heat exchangers.
  • the first row of fluid outlet tubes of one of the heat exchangers is connected to a fluid outlet manifold and the first row of fluid inlet tubes of the other of the heat exchangers is connected to a fluid inlet manifold0.
  • the outlet manifold of one of the heat exchangers is then connected by a conduit to the inlet manifold of the other of the heat exchangers.
  • the fluid inlet and outlet manifolds of one of the heat exchangers are not connected to the fluid inlet and outlet manifolds of the other of the heat exchangers.
  • a fluid circulates independently in each heat exchanger of a group.
  • connection between the exchangers or parts of heat exchangers is effected tube by tube.
  • Each of the heat exchangers is, for example, delimited by a first face and a second face, opposite the first face, the first face of one of the heat exchangers comprising at least one of the outlet and inlet collectors of the fluid and the first face of the other of the heat exchangers comprising at least the other of the inlet or outlet collectors of said fluid.
  • each of the heat exchangers comprises a fluid inlet manifold and a fluid outlet manifold.
  • Each inlet manifold is connected by a first row of tubes to a heat exchanger and each outlet manifold is connected by a second row of tubes to a heat exchanger.
  • the second face of each of the heat exchangers comprises a plurality of bent tubes for circuiting the corresponding heat exchanger.
  • the fluid to be condensed or cooled is intended to circulate in one of the heat exchangers towards the other of the heat exchangers so as to form a countercurrent heat exchange with respect to the flow of air passing through the heat exchanger assembly.
  • the fluid to be condensed or cooled is intended to circulate in the other of the heat exchangers towards one of the heat exchangers so as to form a co-current heat exchange with respect to the flow of air passing through the heat exchanger assembly.
  • each of the air humidification devices comprises at least one system for spraying an air humidification fluid.
  • the device for humidifying the air of at least one of the groups further comprises a medium configured to humidify the flow of air entering the heat exchangers and the spraying system comprises a system sprinkling said media with a humidifying fluid, said sprinkling system being disposed above the media and configured to humidify said media.
  • the device for humidifying the air of at least one of the groups is devoid of media and the spraying system further comprises a spraying system comprising at least one spray nozzle configured to spray the humidification fluid directly on the heat exchanger of said at least one of the groups.
  • the spraying system is a system for spraying a medium with a humidifying fluid or a spraying system with a humidifying fluid, for example water.
  • one or each of the air humidification devices includes a humidification media or member configured to humidify the airflow entering the heat exchangers.
  • Each medium of an air humidification device is arranged upstream of a heat exchanger in the direction of circulation of the air flow set in motion by the fans.
  • the device for humidifying the air of one of the groups comprises a medium and a system for sprinkling said medium with a humidifying fluid arranged above the medium and configured to humidify said corresponding medium and the air humidification device of the other of the groups only comprises a system for spraying with a humidification fluid, without media.
  • the media is, for example, made of absorbent material.
  • the heat exchangers of the set of heat exchangers extend in a substantially vertical direction.
  • the heat exchangers of the set of heat exchangers extend along a direction inclined relative to a vertical direction, for example at 45°.
  • the adiabatic cooler or air condenser comprises two sets of heat exchangers each traversed by a flow of air.
  • the terms “internal” and “external” refer to the interior of the adiabatic cooler or condenser, the internal parts are closer to the interior of the adiabatic cooler or condenser than the external parts.
  • the adiabatic cooler/condenser 10 can be of the air condenser type in which a fluid to be condensed circulates or cooler in which a fluid to be cooled circulates.
  • the adiabatic cooler/condenser 10 comprises a casing 12 comprising four side walls (not referenced) here vertical, namely two side walls, a transverse front wall and a transverse rear wall.
  • the casing 12 further comprises an upper wall and a floor or lower wall forming a bottom. All of the walls of the casing 12 delimit an internal enclosure 13.
  • the adiabatic cooler/condenser 10 comprises one or more fans 16 mounted on the upper wall of the casing 12 and configured to set the air flow A in motion. .
  • the adiabatic cooler/condenser 10 further comprises two sets of heat exchangers 20, 30 each traversed by a distinct air flow A1, A2. In other words, an air flow passes through only one set of heat exchangers 20, 30.
  • the adiabatic cooler/condenser 10 could comprise only one set of heat exchangers through which an air flow passes.
  • Each of the sets of heat exchangers 20, 30 comprises two heat exchange batteries 21, 22; 31, 32 or heat exchangers arranged in parallel in the internal enclosure 13 of the envelope 12 and two air humidification devices 23, 24; 33, 34 mounted in parallel and alternately with respect to the heat exchange batteries.
  • the adiabatic cooler/condenser 10 comprises a first external air humidification device 23; 33, a first external heat exchange battery 21, 31, directly downstream of the first external air humidification device 23; 33, a second internal air humidification device 24; 34 directly downstream of the first battery 21, 31 and a second internal heat exchange battery 22, 32, directly downstream of the second internal air humidification device 24; 34.
  • the first external air humidification device 23; 33 and the first external heat exchange battery 21, 31 form a first group and the second internal air humidification device 24; 34 and the second internal heat exchange battery 22, 32 form a second group arranged downstream of the first group in the direction of circulation of the air flow.
  • each of the sets of heat exchangers could comprise a number of heat exchange batteries and of associated humidification devices greater than two, for example equal to three.
  • the number of heat exchange coils is the same as the number of humidifiers.
  • the first group is in contact with the second group.
  • a space could be provided between the two groups. Provision could also be made for a single heat exchanger comprising two exchanger parts separated by a space in which a humidification device is mounted.
  • the two groups are arranged in series in the direction of circulation of an air flow.
  • the heat exchange batteries each comprise either a plurality of tubes and fins (not shown), or micro channels.
  • a fluid for example, a fluid to be cooled or condensed, such as by example a refrigerant, water, glycol, a mixture of water and glycol or any other fluid suitable for being condensed or cooled circulates in the tubes of each of the heat exchange batteries.
  • the heat exchange coils are configured to change the refrigerant fluid to be condensed from a gaseous form to a liquid form.
  • the gaseous fluid at the inlet F G is condensed to deliver a liquid fluid at the outlet Fs.
  • the heat exchange batteries are configured to cool the fluid circulating in said batteries.
  • the fluid at the outlet Fs is cooled with respect to the fluid at the inlet F E .
  • Each of the air humidification devices 23, 24; 33, 34 is configured to humidify the air flow entering the batteries 21, 22; 31, 32.
  • Each of the air humidification devices 23, 24; 33, 34 is associated with a battery.
  • Each air humidification device 23, 24; 33, 34 is arranged upstream of a battery 21, 22; 31, 32 in the direction of circulation of the air flow set in motion by the fans 16.
  • the air humidification device 23, 24; 33, 34 comprises a spray system 23b, 24b; 33b, 34b of a fluid upstream of the associated battery.
  • the air humidification device 23, 24; 33, 34 includes media 23a, 24a; 33a, 34a or humidification member arranged upstream of a battery 21, 22; 31, 32 in the direction of circulation of the air flow set in motion by the fans 16.
  • the medium is generally made of absorbent material.
  • the sprinkler system 23b, 24b; 33b, 34b of a fluid is here in the form of a media sprinkler system 23a, 24a; 33a, 34a by a wetting fluid, for example water.
  • the sprinkler system 23b, 24b; 33b, 34b is here arranged above each of the media 23a, 24a; 33a, 34a and configured to humidify said associated media.
  • the air humidification devices 23, 24; 33, 34 are devoid of media.
  • the spray system is in the form of a system for spraying a humidifying fluid arranged upstream of a battery, as will be described in detail with reference to the figures 7 to 11 .
  • each of the air humidification devices 23, 24; 33, 34 comprises at least one system for spraying a fluid, such as a system for sprinkling a medium with a humidifying fluid or a system for spraying a humidifying fluid.
  • the air humidification device 23, 24; 33, 34 includes a system 23c, 24c; 33c, 34c for recovering or collecting the humidification fluid after having passed through the media 23a, 24a; 33a, 34a corresponding.
  • the system 23c, 24c; 33c, 34c of recovery collects the humification fluid after spraying by the spray system.
  • the side walls of the adiabatic cooler/condenser are separate from the external coils 21, 31 of each of the sets of heat exchangers 20, 30.
  • the external air humidification device 23, 33 of each of the sets of heat exchangers 20, 30 is arranged outside the casing 12.
  • said sets of heat exchangers can be arranged vertically, horizontally or inclined, for example at 45°, in order to form a V.
  • the figures 3A and 3B respectively illustrate the front face 20a and the rear face 20b of one of the sets of heat exchangers 20 of the picture 2 .
  • the sets of heat exchangers 20, 30 are identical to each other, only the set of heat exchanger 20 will be described in detail with reference to the figures 3A and 3B .
  • the external heat exchange battery 21 comprises a front face 21a and a rear face 21b, opposite the front face 21a.
  • the front face 21a of the external heat exchange battery 21 comprises a fluid inlet manifold 25a and a fluid outlet manifold 25b.
  • the fluid inlet manifold 25a is connected by a first row of tubes 26a of the battery on the side of the front face 21a of the external battery 21 of the assembly 20 and the fluid outlet manifold 25b is connected by a second row of tubes 26b on the side of the front face 21a of said battery 21.
  • the internal heat exchange battery 22 comprises a front face 22a and a rear face 22b, opposite the front face 22a.
  • the front face 22a of the internal heat exchange battery 22 comprises a fluid inlet manifold 27a and a fluid outlet manifold 27b.
  • the fluid inlet manifold 27a is connected to a first row of tubes 28a of the battery on the side of the front face 22a of the internal battery 22 of the assembly 20 and the fluid outlet manifold 27b is connected to a first row of tubes 28b on the side of the front face 22a of said battery 22.
  • the first and the second row of tubes 26a, 26b, 28a, 28b of each battery 21, 22 are connected by welding respectively to the corresponding fluid inlet manifold and to the fluid outlet manifold.
  • the input collector 25a of the external battery 21 and the output collector 27b of the internal battery 22 are connected by a pipe 29.
  • the rear face 21b, 22b of the external and internal batteries 21, 22 also comprises a plurality of tubes 26c, 28c comprising welded 180° bends for the circuiting of the corresponding battery.
  • the fluid to be condensed or cooled circulates from the internal battery 22 to the external battery 21 and thus forms a so-called “countercurrent” heat exchange with respect to the air flow A passing through the heat exchanger assembly 20.
  • manifold 25a would be an external battery 21 fluid outlet manifold would be connected to manifold 27b which would be an internal battery 21 inlet manifold.
  • outlet manifold of one of the batteries of a heat exchanger assembly is connected to the inlet manifold of the other of the batteries of said heat exchanger assembly.
  • the external heat exchange battery 21 comprises a front face 21a and a rear face 21b, opposite the front face 21a.
  • the front face 21a of the external heat exchange battery 21 comprises a first row of fluid inlet tubes 26a and a fluid outlet manifold 25b.
  • the fluid outlet manifold 25b is connected by a second row of tubes 26b on the side of the front face 21a of said battery 21.
  • the internal heat exchange battery 22 comprises a front face 22a and a rear face 22b, opposite the front face 22a.
  • the front face 22a of the internal heat exchange battery 22 comprises a fluid inlet manifold 27a and a first row of fluid outlet tubes 28b.
  • the fluid inlet manifold 27a is connected to a second row of fluid inlet tubes 28a on the side of the front face 22a of the internal battery 22 of the assembly 20.
  • Each of the tubes of the first row of fluid inlet tubes 26a of the external battery 21 is connected to a tube of the first row of fluid outlet tubes 28b of the internal battery 22 by a corresponding conduit 29.
  • the rear face 21b, 22b of the external and internal batteries 21, 22 also comprises a plurality of tubes 26c, 28c comprising welded 180° bends for the circuiting of the corresponding battery.
  • the fluid to be condensed or cooled circulates from the internal battery 22 to the external battery 21 and thus forms a so-called “countercurrent” heat exchange with respect to the air flow A passing through the heat exchanger assembly 20.
  • the fluid to be condensed or cooled to circulate from the external battery 21 to the internal battery 22 and thus form a so-called "co-current" heat exchange with respect to the air flow A passing through the assembly. heat exchanger 20.
  • the tubes of the first row of tubes 26a would be fluid outlet tubes from the external battery 21 and the tubes of the first row of tubes 28b would be fluid inlet tubes.
  • the rear face 21b of the external battery 21 comprises the fluid inlet manifold 25a and the rear face 22b of the internal battery 22 comprises the fluid outlet manifold 27b.
  • the input collector 25a of the external battery 21 and the output collector 27b of the internal battery 22 are connected by a pipe 29.
  • the fluid to be condensed or cooled circulates from the internal battery 22 to the external battery 21 and thus forms a so-called “countercurrent” heat exchange with respect to the air flow A passing through the heat exchanger assembly 20.
  • manifold 25a would be an external battery fluid outlet manifold 21 would be connected to manifold 27b which would be an internal battery 21 inlet manifold.
  • the outlet collector of one of the batteries of a set of heat exchangers is connected to the inlet collector of the other of the batteries of said set of heat exchangers.
  • the input collectors 25a, 27a and the output collectors 25b, 27b of the batteries 21, 22 can be arranged on the same face of the battery, as is visible on the Figure 3A or can be arranged on two opposite faces of the battery, as is visible on the figures 5A and 5B .
  • the layout of the input and output collectors depends on the number of battery passes. When the battery pass number is even, the input and output collectors are on the same side, i.e. on the same face of the battery and when the battery pass number is odd, the input and output collectors are on each side, i.e. on two opposite faces of the battery
  • the input of the input collector 27a and the output of the output collector 25b is located in the lower part of the batteries 21, 22.
  • the external heat exchange battery 21 comprises a front face 21a and a rear face 21b, opposite the front face 21a.
  • the front face 21a of the external heat exchange battery 21 comprises a fluid outlet manifold 25b and the rear face 21b of the external heat exchange battery 21 comprises a first row of fluid inlet tubes 26a.
  • the fluid outlet manifold 25b is connected by a second row of tubes 26b on the side of the front face 21a of said battery 21.
  • the internal heat exchange battery 22 comprises a front face 22a and a rear face 22b, opposite the front face 22a.
  • the front face 22a of the internal heat exchange battery 22 comprises a fluid inlet manifold 27a and the rear face 21b of said battery 22 comprises a first row of fluid outlet tubes 28b.
  • the fluid inlet manifold 27a is connected to a second row of fluid inlet tubes 28a on the side of the front face 22a of the internal battery 22 of the assembly 20.
  • Each of the tubes of the first row of fluid inlet tubes 26a of the external battery 21 is connected to a tube of the first row of fluid outlet tubes 28b of the internal battery 22 by a corresponding conduit 29.
  • the fluid to be condensed or cooled circulates from the internal battery 22 to the external battery 21 and thus forms a so-called “countercurrent” heat exchange with respect to the air flow A passing through the heat exchanger assembly 20.
  • the fluid to be condensed or cooled to circulate from the external battery 21 to the internal battery 22 and thus form a so-called "co-current" heat exchange with respect to the air flow A passing through the assembly. heat exchanger 20.
  • the tubes of the first row of tubes 26a would be fluid outlet tubes from the external battery 21 and the tubes of the first row of tubes 28b would be fluid inlet tubes.
  • the embodiment of the figure 7 differs from the embodiment of the picture 2 , only by the fact that one of the groups is deprived of media.
  • each set of heat exchangers 20, 30 comprises two heat exchange batteries 21, 22; 31, 32 or heat exchangers arranged in parallel in the internal enclosure 13 of the casing 12 and two air humidification devices 40a, 24; 40b, 34 mounted in parallel and alternately with respect to the heat exchange batteries.
  • the adiabatic cooler/condenser 10 comprises a first external air humidification device 40a, 40b, a first external battery heat exchanger 21, 31, directly downstream of the first external air humidification device 40a, 40b, a second internal air humidification device 24, 34, directly downstream of the first battery 21, 31 and a second internal heat exchange battery 22, 32, directly downstream of the second internal air humidification device 24, 34.
  • Each of the first external air humidification devices 40a, 40b and the associated first external heat exchange battery 21, 31 form a first group and each of the second internal air humidification devices 24, 34 and the second associated internal heat exchange battery 22, 32 form a second group disposed downstream of the first group in the direction of circulation of the air flow.
  • the first external air humidification device comprises a spray system, here in the form of a spray system 40a, 40b comprising a plurality of spray nozzles configured to spray a humidifying fluid, for example water, directly on the external face of the associated external battery 21, 31.
  • a spray system here in the form of a spray system 40a, 40b comprising a plurality of spray nozzles configured to spray a humidifying fluid, for example water, directly on the external face of the associated external battery 21, 31.
  • the first external air humidification device further comprises a system 23c, 33c for recovering or collecting the humidification fluid sprayed by the associated spray system 40a, 40b.
  • the first external air humidification device is devoid of media.
  • the second internal air humidification device comprises a medium 24a, 34a or humidification device arranged upstream of the associated internal battery 22, 32 in the direction of circulation of the air flow set in motion by the fans 16 .
  • the medium is generally made of absorbent material.
  • the second internal air humidification device further comprises a system 24b, 34b for spraying a fluid, here, in the form of a system for spraying the media 24a, 24b with a humidifying fluid. , for example water.
  • a fluid here, in the form of a system for spraying the media 24a, 24b with a humidifying fluid.
  • the sprinkler system 24b, 34b is, here, arranged above the media 24a, 34a and configured to moisten said associated media.
  • the first external device for humidifying the air to comprise a medium and a system for sprinkling said medium and for the second internal device for humidifying the air to be devoid of media and comprising a system spraying a humidifying fluid directly on the external face of the associated internal battery 22, 32.
  • Each of the air humidifiers 40a, 24; 40b, 34 is associated with a battery 21, 22; 31, 32.
  • the batteries 21, 22; 31, 32 are identical to the batteries described with reference to figures 2 to 6 and will not be further described here.
  • the embodiment of the figure 8 differs from the embodiment of the picture 2 , only by the fact that one of the groups of the first set 20 of heat exchangers is devoid of media and comprises a system for spraying a fluid.
  • the first set of heat exchangers 20 comprises two heat exchange batteries 21, 22; 31, 32 or heat exchangers arranged in parallel in the internal enclosure 13 of the casing 12 and two humidification devices of air 23, 41a mounted in parallel and alternately with respect to the heat exchange batteries.
  • the adiabatic cooler/condenser 10 comprises a first external air humidification device 23, a first external battery of heat exchanger 21, directly downstream of the first external air humidification device 23, a second internal air humidification device 41a directly downstream of the first battery 21 and a second internal heat exchanger battery 22 directly downstream of the second internal air humidification device 41a.
  • the first external air humidification device 23 comprises a medium 23a or humidification member arranged upstream of the external battery 21 in the direction of circulation of the air flow set in motion by the fans 16.
  • the medium is generally made of absorbent material.
  • the first external air humidification device further comprises a system 23b for spraying a fluid, here, in the form of a system for spraying the media 23a with a humidifying fluid, for example water, a recovery system 23c of the humidification fluid.
  • a system 23b for spraying a fluid here, in the form of a system for spraying the media 23a with a humidifying fluid, for example water, a recovery system 23c of the humidification fluid.
  • the sprinkler system 23b is, here, arranged above the media 23a and configured to moisten said associated media.
  • the second internal air humidification device comprises a spray system, here in the form of a spray system 41a comprising a plurality of spray nozzles configured to spray a humidifying fluid, for example water, directly on the external face of the internal battery 22.
  • a spray system 41a comprising a plurality of spray nozzles configured to spray a humidifying fluid, for example water, directly on the external face of the internal battery 22.
  • the second external air humidification device further comprises a system 24c for recovering or collecting the humidification fluid sprayed by the spray system 41a.
  • the second external air humidification device has no media.
  • the second external air humidification device to comprise a medium and a system spraying said media and that the first internal device for humidifying the air is devoid of media and comprising a system for spraying a humidification fluid directly onto the external face of the external battery 21.
  • Each of the air humidification devices 23, 41a is associated with a battery 21, 22.
  • the batteries 21, 22 are identical to the batteries described with reference to the figures 2 to 6 and will not be further described here.
  • the second set of heat exchangers 30 is also identical to the second set of heat exchangers 30 with reference to the figures 2 to 6 and will not be further described here.
  • the embodiment of the figure 9 differs from the embodiment of the figure 8 , only by the fact that the batteries 21, 22 of the first set 20 of heat exchangers are not vertical and are here arranged in an inclined manner.
  • the embodiment of the figure 10 differs from the embodiment of the picture 2 , only by the fact that the groups of each set 20, 30 of heat exchangers are devoid of media and comprise a system for spraying a fluid.
  • each of the first and second sets of heat exchangers 20, 30 comprises two heat exchange batteries 21, 22; 31, 32 or heat exchangers arranged in parallel in the internal enclosure 13 of the casing 12 and two air humidification devices 40a, 41a; 40b, 41b mounted in parallel and alternately with respect to the heat exchange batteries.
  • the first external air humidification device 40a; 40b and the first external heat exchange battery 21, 31 form a first group and the second internal air humidification device 41a, 41b and the second internal heat exchange battery 22; 33 form a second group arranged downstream of the first group in the direction of circulation of the air flow.
  • the first external air humidification device comprises a spray system, here in the form of a spray system 40a, 40b comprising a plurality of spray nozzles configured to spray a humidifying fluid, for example water, directly on the external face of the associated external battery 21, 31.
  • a spray system here in the form of a spray system 40a, 40b comprising a plurality of spray nozzles configured to spray a humidifying fluid, for example water, directly on the external face of the associated external battery 21, 31.
  • the first external air humidification device further comprises a system 23c, 33c for recovering or collecting the humidification fluid sprayed by the associated spray system 40a, 40b.
  • the first external air humidification device is devoid of media.
  • the second internal air humidification device comprises a spray system, here in the form of a spray system 41a, 41b comprising a plurality of spray nozzles configured to spray a humidifying fluid, for example water, directly on the external face of the associated internal battery 22, 32.
  • a spray system 41a, 41b comprising a plurality of spray nozzles configured to spray a humidifying fluid, for example water, directly on the external face of the associated internal battery 22, 32.
  • the second external air humidification device further comprises a system 24c, 34c for recovering or collecting the humidification fluid sprayed by the associated spray system 41a, 41b.
  • the second external air humidification device has no media.
  • Each of air humidifiers 40a, 41a; 40b, 41b is associated with a battery 21, 22; 31, 32.
  • the batteries 21, 22; 31, 32 are identical to the batteries described with reference to figures 2 to 6 and will not be further described here.
  • the embodiment of the figure 11 differs from the embodiment of the figure 10 , only by the fact that the batteries 21, 22; 31, 32 of each 20, 30 set of heat exchangers are not vertical and are here arranged in an inclined manner with respect to the vertical direction, in order to form a V-shape together.
  • the heat exchange of the adiabatic cooler/condenser is increased.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
  • Secondary Cells (AREA)
EP21210203.2A 2020-12-22 2021-11-24 Adiabatischer kühler oder kondensator mit einer anordnung von wärmetauschern, die von einem luftstrom durchströmt werden Pending EP4019873A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR2013893A FR3118148B1 (fr) 2020-12-22 2020-12-22 Refroidisseur ou condenseur adiabatique comprenant un ensemble d’échangeurs thermiques traversé par un flux d’air

Publications (1)

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EP4019873A1 true EP4019873A1 (de) 2022-06-29

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EP21210203.2A Pending EP4019873A1 (de) 2020-12-22 2021-11-24 Adiabatischer kühler oder kondensator mit einer anordnung von wärmetauschern, die von einem luftstrom durchströmt werden

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EP (1) EP4019873A1 (de)
FR (1) FR3118148B1 (de)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR601397A (fr) * 1924-07-31 1926-03-01 Krupp Ag Condenseur à surface
GB2078360A (en) * 1980-06-12 1982-01-06 Villamos Ipari Kutato Intezet Heat exchanger
CN1450325A (zh) * 2002-04-09 2003-10-22 株式会社不二工机 冷凝器的辅助冷却装置
WO2018167223A1 (fr) * 2017-03-16 2018-09-20 Technip France Installation de liquéfaction de gaz naturel disposée en surface d'une étendue d'eau, et procédé de refroidissement associé

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR601397A (fr) * 1924-07-31 1926-03-01 Krupp Ag Condenseur à surface
GB2078360A (en) * 1980-06-12 1982-01-06 Villamos Ipari Kutato Intezet Heat exchanger
CN1450325A (zh) * 2002-04-09 2003-10-22 株式会社不二工机 冷凝器的辅助冷却装置
WO2018167223A1 (fr) * 2017-03-16 2018-09-20 Technip France Installation de liquéfaction de gaz naturel disposée en surface d'une étendue d'eau, et procédé de refroidissement associé

Also Published As

Publication number Publication date
FR3118148A1 (fr) 2022-06-24
FR3118148B1 (fr) 2023-03-10

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