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    • 专利摘要:
    HYBRID HEAT EXCHANGER DEVICE A hybrid heat exchanger apparatus with a heat exchanger device with a hot fluid flowing through it is described which includes a cooling water distribution system and an air flow mechanism to cause ambient air to drain. through the heat exchanger device. The cooling water distribution system delivers evaporative cooling water to the heat exchanger device to wet only a portion of the heat exchanger device, while still leaving a remaining portion of the heat exchanger device to dry. The airflow mechanism causes ambient air to flow through the heat exchanger device to generate hot moist air from the ambient air that flows through the wet portion of the heat exchanger and hot dry air from the ambient air that flows. through the remaining dry portion of the heat exchanger device.
    公开号:BR112013006155B1
    申请号:R112013006155-3
    申请日:2011-07-11
    公开日:2020-10-20
    发明作者:Thomas W. Bugler, Iii；Davey J. Vadder
    申请人:Evapco, Inc；
    IPC主号:
    专利说明:

    FIELD OF THE INVENTION
    [0001] The present invention relates to a hybrid heat exchanger. More particularly, the present invention is directed to a hybrid heat exchanger apparatus that operates in a dry mode, a wet mode and a hybrid wet / dry mode in order to conserve water and possibly reduce fog. BACKGROUND OF THE INVENTION
    [0002] Heat exchangers are well known in the art. For example, a conventional heat exchanger 2, sometimes referred to as a "closed circuit cooler", is illustrated diagrammatically in figures 1 and 2. Heat exchanger 2 includes a container 4, a heat exchanger device 6, a cooling water distribution system 8, an air flow mechanism such as an illustrated fan assembly 10 and a controller 12. The container 4 has an upper wall 4a, a lower wall 4b and a plurality of side walls 4c. The walls of the plurality of side walls 4c are connected together and connected to the upper wall 4a and the lower wall 4b to form a generally box-shaped chamber 14. The chamber 14 has a portion of the water basin chamber 14a, a portion of the outlet chamber 14b and a portion of the central chamber 14c. The portion of the water basin 14a is defined by the lower wall 4b and lower portions of the side walls 4c. The water basin portion 14a contains CW evaporative cooling water. The outlet chamber portion 14b is defined by the upper wall 4a and upper portions of the side walls 4c. The central chamber portion 14c is defined between two or more central portions of the connected side walls 4c and is positioned between the water basin chamber portion 14a and the outlet chamber portion 14b. The upper wall 4a is formed with an air outlet 16. The air outlet 16 is in fluid communication with the outlet chamber portion 14b. Also, for this particular conventional heat exchanger 2, each of the side walls 4c is formed with an air inlet 18 in communication with the central chamber portion 14c. A plurality of blind modules 20 is mounted on the side walls 4c at the respective air intakes 18. The plurality of blind modules 20 is arranged adjacent and above the portion of the water basin chamber 14a and is operative to allow ambient air, represented as the Cold Air INPUT arrows, enter the central chamber portion 14c.
    [0003] The heat exchanger device 6 is arranged in the portion of the central chamber 14c, and extends through it, adjacent and below the portion of the outlet chamber 14b. The heat exchanger device 6 is operative to transfer a hot fluid, represented as a Hot Fluid INPUT arrow, through it from a hot fluid source 22. Those skilled in the art should realize that the hot fluid could be water, a refrigerant , steam or other gaseous or liquid fluid as known in the art to be cooled by a heat exchanger device. The Hot Fluid INPUT exits the heat exchanger device 6 as cold fluid, represented as a Cold Fluid OUTPUT arrow. Although a single heat exchanger device 6 can be used in any conventional heat exchanger 2, this heat exchanger device 6 includes a first component of the conventional heat exchanger 6a and a second component of the conventional heat exchanger 6b juxtaposed and in fluid communication with the first component of the heat exchanger 6a. Also, in the alternative, a conventional heat exchanger 2 can have a heat exchanger device 6 with a first component of the heat exchanger 6b and a second component of the heat exchanger 6b which are fluidly isolated from each other. A connector tube 22 interconnects the first and second components of the heat exchanger 6a and 6b so that the first component of the heat exchanger 6a and the second component of the heat exchanger 6b are in serial fluid communication with each other. However, the first component of the heat exchanger 6a and the second component of the heat exchanger 6b can be connected in parallel fluid communication with each other or, alternatively, the first component of the heat exchanger 6a and the second component of the heat exchanger 6b can be disconnected from each other and are then considered to be in fluid isolation from each other.
    [0004] As shown in figures 1 and 2, both the first and the second components of the heat exchanger 6a and 6b are tube structures. The first heat exchanger device 6a is a single continuous tube 34 with a serpentine configuration with straight tube sections 34a with a plurality of fins 36 represented by the vertical dashed lines. The tube structure of the second heat exchanger device 6b includes a plurality of straight bare tube sections 34a, that is, flapless tube sections, in a straight configuration that interconnects an inlet manifold box 44a and an inlet manifold box. exit 44b.
    [0005] The cooling water distribution system 8 includes a water distribution manifold 24 that extends through the central chamber portion 14c and is arranged above and adjacent to the heat exchanger device 6. In a Pump ON state, a pump 26 is operative to pump the evaporative cooling water CW from the chamber portion of the water basin 14a to and through the water distribution manifold 24. Thus, the evaporative cooling water CW is distributed to the heat exchanger device 6, represented by the water droplets 28 in figure 2. When the water droplets 28 fall into the heat exchanger device 6 and in the chamber portion of the water basin 14a, the conventional heat exchanger 2 is in a Wet mode, illustrated in figure 2. Correspondingly, with the pump in a Pump OFF state, no water droplet 28 falls and thus the heat exchanger 2 is in a DRY mode , shown in figure 1.
    [0006] As illustrated in figures 1 and 2, the cooling water distribution system 8 includes a plurality of spray nozzles 30. The spray nozzles 30 are connected to the water distribution manifold 24, and are in fluid communication with the same, so that the pump 26 pumps the evaporative cooling water CW to the water distribution manifold 24 and through the spray nozzles 30. However, skilled in the art, they should realize that, instead of spray nozzles 30, the The cooling water distribution system 8 may include a dam arrangement, a drip arrangement or some other cooling water distribution arrangement known in the art.
    [0007] Furthermore, in figures 1 and 2, the heat exchanger 2 includes an elimination structure 32 that extends through the chamber 14 and is arranged between the water distribution manifold 24 and the air outlet 16. A the disposal structure 32 is positioned in such a way that the outlet chamber portion 14b of the chamber 14 is disposed above the disposal structure 32 and the central chamber portion 14c of the chamber 14 is disposed below the disposal structure 32.
    [0008] In a fan ON state shown in both figures 1 and 2, the fan assembly 10 is operative to cause the ambient air represented by the Cold Air INPUT arrows to flow through the heat exchanger 2 from the air inlet 18, through the heat exchanger device 6 and the water distribution manifold 24 and through the air outlet 16. Shown in figure 1, in the DRY mode, hot dry air represented by the arrow Dry Hot Air Exhaust flows out of the outlet of air 16. Shown in figure 2, in Wet mode, hot moist air represented by the Hot Wet Air Exit Arrow drains out of the air outlet 16. As known in the art, fan assembly 10 shown in figures 1 and 2 is an induced entrainment system to induce ambient air to flow through container 4, as illustrated.
    [0009] Controller 12 is operative to selectively energize or de-energize the cooling water distribution system 8 and the fan assembly 10, automatically or manually switching the cooling water distribution system 8 and the fan assembly 10 between its respective ON and OFF states in order to make the heat exchanger 2 operate in both Wet and DRY mode. Controller 12 can be an electromechanical device, an electronic device operated by software or even a human operator. In figure 1, for the heat exchanger 2 is in the DRY mode, the controller 12 switches the fan assembly 10 to the Fan ON state and switches the pump 26 to the Pump OFF state. In figure 2, for the heat exchanger 2 to be in the Wet mode, the controller 12 switches the fan assembly 10 to the Fan ON state and switches the pump 26 to the Pump ON state. More particularly, in the Wet mode, both the fan assembly 10 and the cooling water distribution system 8 are energized, causing the ambient air (cold air INPUT arrows) to flow through the heat exchanger device 6 and the water evaporative cooling system CW is distributed in the heat exchanger device 6, and through it, to generate the hot humid air (Arrow Exit Hot Humid Air in figure 2) that exits through the air outlet 16. And, in the DRY mode, only the fan assembly 10 is energized, while the cooling water distribution system 8 is de-energized, causing ambient air (Cold Air INPUT arrows) to flow through the heat exchanger device 6, without the CW evaporative cooling water be distributed in the heat exchanger device 6, and through it, to generate hot dry air (arrow Dry Hot Air EXIT in figure 1) which subsequently exits through the air outlet 16.
    [0010] Typically, during the summer months, the heat exchanger 2 operates in the Wet mode and, during the winter months, the heat exchanger 2 operates in the DRY mode. Sometimes, during the spring and autumn months, ambient conditions cause the hot moist air to come out of the heat exchanger to condense, thereby forming a visible mist P of condensed water. The general public sometimes mistakenly perceives this visible mist P of condensed water as smoke polluting the air. Also, some people, who know that this smoke P is merely condensed water, believe that the tiny droplets of water that make up the visible mist P may contain disease-causing bacteria. As a result, a heat exchanger that spits out a visible mist P of condensed water is undesirable.
    [0011] There are two limitations regarding heat exchangers that the present invention addresses. First, particularly in cold climates, closed circuit refrigerators can emit mist when the hot moist air being discharged from the unit encounters cold dry air in the environment. The general public sometimes mistakenly perceives this visible mist of condensed water as smoke polluting the air. Second, water is considered a scarce and valuable resource in certain regions. In certain aspects of the present invention, there is a greater ability to perform the cooling functions in a DRY mode, where little or no water is needed to achieve the cooling function.
    [0012] Experienced in the art, they should realize that the diagrammatic views provided here are the figures of representative drawings that represent both a single heat exchanger described here and a bank of heat exchangers.
    [0013] It would be beneficial to provide a heat exchanger that conserves water. It would also be beneficial to provide a heat exchanger that can also inhibit the formation of condensed water fumes. The present invention provides these benefits. OBJECTIVES AND SUMMARY OF THE INVENTION
    [0014] It is an objective of the invention to provide a hybrid heat exchanger device that can inhibit the formation of a condensed water smoke when ambient conditions are ideal for its formation.
    [0015] It is another objective of the invention to provide a hybrid heat exchanger that conserves water due to its greater dry cooling capabilities.
    [0016] In this way, a hybrid heat exchanger apparatus of the present invention is described below. The hybrid heat exchanger apparatus includes a heat exchanger device with a hot fluid flowing through it, a cooling water distribution system and an air flow mechanism such as a fan assembly to cause ambient air to flow through the heat exchanger device. The cooling water distribution system distributes evaporative cooling water to the heat exchanger device in such a way as to wet only a portion of the heat exchanger device, while still leaving a remaining dry portion of the heat exchanger device. The remaining dry portion of the heat exchanger allows for cooling in a non-evaporative manner. The airflow mechanism causes ambient air to flow through the heat exchanger device to generate hot moist air from the ambient air that flows through the wet portion of the heat exchanger and hot dry air from the ambient air that flows. through the remaining dry portion of the heat exchanger device. One aspect of the present invention mixes the hot moist air and the hot dry air with one another to form a mixture of the hot air therein to decrease smoke if suitable ambient atmospheric conditions are present. Another aspect of the present invention isolates warm moist air and warm dry air from each other and, therefore, does not necessarily lessen fog.
    [0017] A method of the present invention inhibits the formation of a water-based condensate from a heat exchanger device with a cooling water distribution system and a heat exchanger device with a hot fluid flowing through it. The method includes the steps of:
    [0018] distributing evaporative cooling water from the cooling water distribution system to the heat exchanger device in such a way as to wet a portion of the heat exchanger device, while still allowing a remaining portion of the heat exchanger device to become dry;
    [0019] causing ambient air to flow through the heat exchanger device to generate hot moist air from the ambient air flowing through the wet portion of the heat exchanger and hot dry air from the ambient air flowing through the portion remaining dryness of the heat exchanger device; and
    [0020] mix the hot humid air and the hot dry air with each other to form a mixture of these hot air.
    [0021] These objectives and other advantages of the present invention will become more apparent in view of the detailed description of the exemplary modalities of the present invention with reference to the accompanying drawings, in which: BRIEF DESCRIPTION OF THE DRAWINGS
    [0022] Figure 1 is a schematic diagram of a conventional heat exchanger operating in a dry mode.
    [0023] Figure 2 is a schematic diagram of a conventional heat exchanger operating in a wet mode.
    [0024] Figure 3 is a schematic diagram of a first exemplary embodiment of a hybrid heat exchanger apparatus of the present invention operating in dry mode.
    [0025] Figure 4 is a schematic diagram of the first exemplary embodiment of the hybrid heat exchanger apparatus of the present invention operating in wet mode.
    [0026] Figure 5 is a schematic diagram of the first exemplary embodiment of the hybrid heat exchanger apparatus of the present invention operating in a wet / dry hybrid mode.
    [0027] Figure 6 is a schematic diagram of a second exemplary embodiment of a hybrid heat exchanger apparatus of the present invention operating in dry mode.
    [0028] Figure 7 is a schematic diagram of the second exemplary embodiment of the hybrid heat exchanger apparatus of the present invention operating in wet mode.
    [0029] Figure 8 is a schematic diagram of the second exemplary embodiment of the hybrid heat exchanger apparatus of the present invention operating in the wet / dry hybrid mode.
    [0030] Figure 9 is a schematic diagram of a third exemplary embodiment of a hybrid heat exchanger apparatus of the present invention operating in dry mode.
    [0031] Figure 10 is a schematic diagram of the third exemplary embodiment of the hybrid heat exchanger apparatus of the present invention operating in wet mode.
    [0032] Figure 11 is a schematic diagram of the third exemplary embodiment of the hybrid heat exchanger apparatus of the present invention operating in the wet / dry hybrid mode.
    [0033] Figure 12 is a schematic diagram of a fourth exemplary embodiment of a hybrid heat exchanger apparatus of the present invention operating in hybrid wet / dry mode.
    [0034] Figure 13 is a schematic diagram of a fifth exemplary embodiment of a hybrid heat exchanger apparatus of the present invention operating in hybrid wet / dry mode.
    [0035] Figure 14 is a schematic diagram of a sixth exemplary embodiment of a hybrid heat exchanger apparatus of the present invention operating in hybrid wet / dry mode.
    [0036] Figure 15 is a schematic diagram of a seventh exemplary embodiment of a hybrid heat exchanger apparatus of the present invention operating in hybrid wet / dry mode.
    [0037] Figure 16 is a schematic diagram of an exemplary eighth embodiment of a hybrid heat exchanger apparatus of the present invention operating in hybrid wet / dry mode.
    [0038] Figure 17 is a flow chart of a method of operating the hybrid heat exchanger apparatus from the first to the eighth exemplary embodiments of the present invention.
    [0039] Figure 18 is a schematic diagram of an exemplary ninth embodiment of a hybrid heat exchanger apparatus of the present invention operating in hybrid wet / dry mode.
    [0040] Figure 19 is a flow chart of a method of operating the ninth exemplary hybrid heat exchanger apparatus of the present invention in Figure 18. DETAILED DESCRIPTION OF EXEMPLARY MODALITIES
    [0041] In the following, exemplary embodiments of the present invention will be described with reference to the figures in the attached drawing. The structural components common to those of the prior art and the structural components common to the respective modalities of the present invention will be represented by the same symbols and their repeated description will be omitted. In addition, terms such as "cold", "hot", "moist", "dry", "cooling" and the like should be interpreted only as relative terms as understood by those skilled in the art and should not be interpreted in any way. limiting way, whatever it may be.
    [0042] A first exemplary embodiment of a hybrid heat exchanger apparatus 100 of the present invention is described below with reference to figures 3-5. As shown in figures 3-5, the hybrid heat exchanger apparatus 100 includes a first cooling water distribution system 8a and a second cooling water distribution system 8b. The first cooling water distribution system 8a has a first water distribution collector 24a that partially extends through the central chamber portion 14c and is arranged above and adjacent to the first heat exchanger component 6a. The first cooling water distribution system 8a also has a first pump 26a which is operative to pump evaporative cooling water CW from the chamber portion of the water basin 14a to and through the first water distribution collector 24a. As a result, the spray nozzles 30a blast the evaporative cooling water CW, whereby the evaporative cooling water CW is distributed in the first component of the heat exchanger 6a. Correspondingly, the second cooling water distribution system 8b has a second water distribution collector 24b that partially extends through the central chamber portion 14c and is arranged above and adjacent to the second component of the heat exchanger 6b. The second cooling water distribution system 8b also has a second pump 26b that is operative to pump the evaporative cooling water CW from the chamber portion of the water basin 14a to and through the water distribution manifold 24a. As a result, the evaporative cooling water CW is blasted through the spray nozzles 30b and thus the evaporative cooling water CW is distributed in the second component of the heat exchanger 6b. Note that the first and second cooling water distribution systems 8a and 8b operate independently of each other and, in addition to pumping evaporative cooling water CW from the chamber portion of the water basin 14a, are otherwise considered in fluid insulation a with the other. Also, the first pump 26a and the first water distribution manifold 24a are in selective fluid communication with each other and the second pump 26b and the second water distribution manifold 24b are in selective fluid communication with each other.
    [0043] A controller (not shown, but illustrated for purposes of example in figures 1 and 2) is operative to cause the hybrid heat exchanger 100 to operate in any of the DRY mode, illustrated in figure 3, a wet mode , illustrated in figure 4, and a hybrid wet / dry mode, illustrated in figure 5. For the sake of clarity in the figures in the drawing, the controller was not intentionally illustrated, as those skilled in the art realize that a controller can automatically change states ON and OFF of pumps 26a and 26b and fan assembly 10. Alternatively, those skilled in the art must realize that the controller can be a human operator who can manually change the ON and OFF states of pumps 26a and 26b and fan assembly 10 As a result, instead of illustrating a controller, the ON and OFF states of pumps 26a and 26b and fan assembly 10 are illustrated.
    [0044] In the DRY mode illustrated in figure 3, only the fan assembly 10 is energized in the ON state, while both cooling water distribution systems 8a and 8b are de-energized, that is, in the OFF states. As a result, the ambient air represented as the Cold Air INPUT arrows, flows through the first component of the heat exchanger 6a and the second component of the heat exchanger device 6b without the evaporative cooling water CW being distributed in the first and second components heat exchanger 6a and 6b, and through them. In this way, hot dry air represented as the Hot Dry Air EXIT arrow is generated, which subsequently leaves via the air outlet 16.
    [0045] In the wet mode illustrated in figure 4, the fan assembly 10 and both cooling water distribution systems 8a and 8b are energized in their respective ON states. As a result, the ambient air represented as the ARROW Cold Air arrows flows through the respective first component of the heat exchanger 6a and second component of the heat exchanger 6b, and the evaporative cooling water CW is distributed in the first and second components of the heat exchanger 6a and 6b, and through them, to generate hot humid air, represented as the Hot Humid Air Exit arrow that subsequently exits through the air outlet 16.
    [0046] In the wet / dry hybrid mode, the fan assembly 10 and the cooling water distribution system 8a are energized in their ON states, while the cooling water distribution system 8b is de-energized, that is, in its OFF state. As a result, the cooling water distribution system 8a distributes evaporative cooling water CW through the first component of the heat exchanger 6a, and to it, in a way to wet the first component of the heat exchanger 6a, while the second component of the heat exchanger 6b becomes dry. Simultaneously with this, the fan assembly 10 causes the ambient air represented as the Cold Air INPUT arrows to flow through the first component of the heat exchanger 6a to generate HOT WET AIR from the ambient air, represented as the INPUT arrows of Cold Air, which flows through the first component of the wet heat exchanger 6a and HOT DRY AIR from the ambient air, represented as the ARROW Cold Air arrows, which flows through the second component of the dry heat exchanger 6b. Then, the HOT WET AIR and HOT DRY AIR mix to form a HOT AIR MIXTURE that subsequently exits through the air outlet 16, represented by the HOT AIR MIXTURE EXIT arrow. HOT WET AIR and HOT DRY AIR also flow through the elimination structure 32, to the outlet chamber portion 14b and through the fan assembly 10 before exiting through the air outlet 16.
    [0047] Experienced in the technique must realize that the mixture of hot humid air and HOT dry air to form the HOT AIR MIXTURE is achieved as a result of the torrent of air that flows through container 4 as well as through the fan assembly 10. Additional mixing, if desired, can also be achieved in the manner discussed below.
    [0048] Only by way of example, and not of limitation, each of the first and second components of the heat exchanger 6a and 6b is a tubular structure that is represented in the figures of the drawing as a single continuous tube 34. However, versed in technicians should realize that, in practice, the tubular structure is actually manufactured from a plurality of tubes lined up in rows. The only representative continuous tube 34 is formed in a serpentine tube configuration, as shown in figures 3-5, which has straight tube sections 34a and curved return sections 34b. Although not by way of limitation, but only by way of example, the straight tube section 34a has a plurality of fins 36 connected therein to form a finned tube structure.
    [0049] A second exemplary embodiment of a hybrid heat exchanger apparatus 200 of the present invention is shown in figures 6-8. The hybrid heat exchanger device 200 includes a partition 38. Partition 38 vertically divides the heat exchanger device 6 so that when the hybrid heat exchanger device 200 is in the hybrid wet / dry mode shown in figure 8, the first component of the wet heat exchanger 6a and the dry heat exchanger component 6b are outlined. Specifically, partition 38 is arranged between the first section of the water distribution manifold 24a and the second section of the water distribution manifold 24b and between the first component of the heat exchanger 6a and the second component of the heat exchanger 6b. As shown in figure 8, when the hybrid heat exchanger 200 is in hybrid wet / dry mode, a first operative zone Z1 in the central chamber portion 14c and a second operative zone in the central chamber portion 14c are outlined. The first operating zone Z1 of the central chamber portion 14c has a width of the first horizontal operating zone WZ1 and the second operating zone Z2 of the central chamber portion 14c has a width of the second horizontal operating zone Only by way of example, for the second embodiment example of the hybrid heat exchanger apparatus 200, the width of the first horizontal operating zone ZW1 and the width of the second horizontal operating zone ZW2 are at least substantially equal to each other.
    [0050] For the second exemplary embodiment of the hybrid heat exchanger apparatus 200, the first component of the heat exchanger 6a is a conventional finned tube structure, previously discussed, and the second component of the heat exchanger 6b has a tube structure formed with a plurality of straight tube sections 34a in a conventional manifold-box configuration. Each of the straight tube sections 34a are bare tubes in which there are no fins connected to the straight tube sections 34a.
    [0051] With reference to figures 6-8, the cooling water distribution system 8 includes a valve 40 that is interposed in the water distribution manifold 24 that divides the water distribution manifold 24 in the first section of the distribution manifold of water 24a and in the second section of the water distribution manifold 24b being in selective fluid communication with the first section of the water distribution manifold 24a. Again, a controller is not shown in figures 6-8 to maintain the clarity of the figures in the drawing. However, those skilled in the art must realize that the controller is operative to move valve 40 to a VALVE OPEN state and a CLOSE VALVE state, and among these, reflected by the legend in figures 6-8. With valve 40 arranged between the first section of the water distribution manifold 24a and the second section of the water distribution manifold 24b, when valve 40 is in the open VALVE state shown in figures 6 and 7, the first and second sections of the water distribution collectors 24a and 24b respectively are in fluid communication with each other. In figure 6, with the hybrid heat exchanger device 200 in the DRY mode, the valve 40 can also be in the VALVE CLOSED state because the pump 26 is in the Pump OFF state. As a result, both the first and second operating zones Z1 and Z2 respectively become dry. In figure 7, with the hybrid heat exchanger device 200 in wet mode, valve 40 is in the VALVE state open and pump 26 is in the Pump ON state. As a result, both the first and second operating zones Z1 and Z2 respectively become wet. In figure 8, with the hybrid heat exchanger device 200 in a wet / dry hybrid mode, valve 40 is in the VALVE closed state and pump 26 is in the Pump ON state. When valve 40 is in the VALVE closed state, the first section of the water distribution manifold 24a and the second section of the water distribution manifold 24b are in fluid isolation from each other. As a result, the first operating zone Z1 becomes wet, while the second operating zone Z2 becomes dry, so that the hybrid heat exchanger 200 can operate in the wet / dry hybrid mode.
    [0052] A third exemplary embodiment of a hybrid heat exchanger apparatus 300 of the present invention is shown in figures 9-11 operating in the DRY mode (figure 9), in the wet mode (figure 10) and in the wet / dry hybrid mode ( 11) in a manner similar to the hybrid heat exchanger apparatus 200 discussed above. For example only, and not by way of limitation, the hybrid heat exchanger apparatus 300 includes a mixing deflector structure 42. The mixing deflector structure 42 extends through the chamber 14 in its portion of the outlet chamber 14b. As best shown in figure 12, the mix deflector structure 42 is operative to assist in the mixing of the HOT WET AIR and the HOT DRY AIR as the HOT AIR MIXTURE before it exits through the air outlet 16.
    [0053] For the hybrid heat exchanger device 300 illustrated in figures 9-11, the heat exchanger device 6 includes the first component of the heat exchanger 6a and the second component of the heat exchanger 6b, which, as previously discussed, are the finned tube structures. Also, heat exchangers sometimes use filler as a direct heat transfer medium, either alone or in conjunction with coils, such as the invention described in U.S. Patent No. 6,598,862. As shown in figures 9-11 of the present invention, the heat exchanger device 6 includes a first conventional filler structure 6al and a second conventional filler structure 6b 1, both of which are manufactured from the filler. The first heat exchange component 6a and the first filler structure 6a 1 are vertically arranged one above the other and the second heat exchanger component 6b and the second filler structure 6b 1 are vertically arranged one by one on top of each other. More specifically, just by way of example, and not by way of limitation, the first heat exchange component 6a is vertically positioned above the first filler structure 6a 1 and the second heat exchanger component 6b is vertically positioned above the second filler structure 6b 1.
    [0054] The following exemplary embodiments of the hybrid heat exchanger apparatus of the present invention are illustrated only in the wet / dry hybrid mode. Those skilled in the art must understand that the controller controls the Fan ON state of the fan assembly 10, Pump ON and Pump OFF states of pumps 26a and 26b to achieve DRY mode, wet mode and hybrid wet / dry mode of the heat exchanger device. hybrid heat of the present invention discussed above.
    [0055] A fourth exemplary embodiment of a hybrid heat exchanger device 400 of the present invention in the wet / dry hybrid mode is shown in figure 12. The heat exchanger device 6 is conventional and is a single unit, that is, the exchanger device heat exchanger 6 does not include a first component of the heat exchanger and a second component of the heat exchanger. The heat exchanger device 6 includes a plurality of straight tube sections 34a, with each straight tube section having fins 36. As the HOT FLUID flows through this single unit of the heat exchanger device 6, the HOT FLUID as the INPUT of Hot Air flows into an inlet manifold box 44a, then through the plurality of straight finned tube sections 34a and then into an outlet manifold box 44b as the cold fluid OUTLET. Thus, this tube structure is a straight configuration.
    [0056] Also note that, even if the hybrid heat exchanger 400 does not have a partition, the first operating zone Z1 and the second operating zone Z2 exist. In the hybrid wet / dry mode of the hybrid heat exchanger 400, only the fan assembly 10 and the first cooling water distribution system 6a are energized in such a way that only the first cooling water distribution system 26a distributes water of evaporative cooling CW through the single unit heat exchanger device 6, and through it, in a way to wet a portion of the heat exchanger device 6 in the first operative zone Zl, while a remaining portion of the heat exchanger device 6 becomes dry in the second operative zone Z2. At the same time, the fan assembly 10 in the Fan ON state causes the ambient air illustrated as the Cold Air INPUT arrows to flow through the heat exchanger device 6 to generate the HOT WET AIR from the ambient air (represented as the Arrows of Cold Air) flowing through the wet portion of the heat exchanger device 6 in the first operating zone Zl and the DRY HOT AIR from the ambient air (represented as the Arrows of Cold Air) flowing through the remaining dry portion of the heat exchanger device 6 in the second operating zone Z2 so that the HOT WET AIR and HOT DRY AIR then mix to form the HOT AIR MIXTURE which subsequently leaves the hybrid heat exchanger 400 through the air outlet 16.
    [0057] A fifth exemplary embodiment of a hybrid heat exchanger apparatus 500 of the present invention in hybrid wet / dry mode is shown in figure 13. The heat exchanger device 6 is conventional and includes the first component of the heat exchanger 6a and the second component of the heat exchanger 6b as a finned serpentine tube structure. In this exemplary fifth embodiment, the first component of the heat exchanger 6a and the second component of the heat exchanger 6b are in fluid parallel communication with each other. As the HOT FLUID seeps through this heat exchanger device 6, the HOT FLUID as the Hot Air Inlet seeps into the intake manifold box 44a, then through each of the first and second heat exchanger components 6a and 6b respectively and then to the outlet manifold box 44b as the Cold Fluid OUTPUT. In addition, the width of the first horizontal operating zone ZW1 and the width of the second horizontal operating zone ZW2 are different from each other. More specifically, the width of the first horizontal operating zone ZW1 is less than the width of the second horizontal operating zone ZW2. In addition, each of the first component of the heat exchanger 6a and the second component of the heat exchanger 6b employs bare tubes formed in a serpentine configuration and are serially connected to each other.
    [0058] A sixth exemplary embodiment of a hybrid heat exchanger device 600 of the present invention in hybrid wet / dry mode is shown in figure 14. Each of the first component of the heat exchanger 6a and the second component of the heat exchanger 6b is conventional and employs a single continuous bare tube 34 formed in a serpentine configuration. The first component of the heat exchanger 6a and the second component of the heat exchanger 6b are serially connected to each other.
    [0059] A seventh exemplary embodiment of a hybrid heat exchanger apparatus 700 of the present invention in hybrid wet / dry mode is shown in figure 15. The first and second water distribution systems 8a and 8b, respectively, are like those discussed for the first exemplary embodiment of the hybrid heat exchanger apparatus 100. Note, however, that the first component of the heat exchanger 6a and the second component of the heat exchanger 6b are in fluid isolation from each other.
    [0060] An eighth exemplary embodiment of a hybrid heat exchanger apparatus 800 of the present invention in hybrid wet / dry mode is shown in figure 16. Instead of an induced drag fan assembly 10 shown in figures 1-15 shown mounted on container 4 adjacent to air outlet 16, a fan assembly 110, sometimes referred to as a forced drag system, is mounted on air inlet 18 as an alternative air flow mechanism. Thus, instead of an induced drag system shown in figures 1-15, the hybrid heat exchanger 800 is considered a forced drag system.
    [0061] In figure 17, a method for inhibiting the formation of a water-based condensate from the hybrid heat exchanger apparatus of the present invention is described. The heat exchanger apparatus has the cooling water distribution system 8 and the heat exchanger device 6 described above. The heat exchanger device has HOT FLUID that flows through it, that is, from the Hot Air INPUT to the cold Fluid OUTPUT. Step S10 distributes the evaporative cooling water CW from the cooling water distribution system 8 to the heat exchanger device 6 in a way to wet a portion of the heat exchanger device 6 (for example, in figure 12), still leaving that a remaining portion of the heat exchanger device 6 is dry (for example, in figure 12). Step 12 causes ambient air (represented as the Cold Air INPUT arrows) to flow through the heat exchanger device 6 to generate HOT WET AIR from the ambient air that flows through the wet portion of the heat exchanger device 6 in the first operative zone Z1 and HOT DRY AIR from ambient air flowing through the remaining dry portion of the heat exchanger device 6 in the second operative zone Z2. Step 14 mixes the HOT WET AIR and the HOT DRY AIR with each other to form the HOT AIR MIXTURE. To improve the method of the present invention, it may be beneficial to include yet another step. This step would provide partition 38 that would extend vertically between the wet portion of the heat exchanger device 6 and the remaining dry portion of the heat exchanger device 6.
    [0062] Ideally, the HOT AIR MIXTURE of hot humid air and HOT dry air leaves the hybrid heat exchanger apparatus both without a visible mist P (see figure 2) of the water-based condensate and at least substantially without a mist visible P of the water-based condensate. However, those skilled in the art must realize that when the HOT AIR MIXTURE of the hot humid air and the HOT dry air leaves the heat exchanger, visible clouds W of the water-based condensate, shown in figure 5, may appear outside the heat exchanger apparatus without escaping the spirit of the invention.
    [0063] In order to carry out the method from the first to the eighth modalities of the present invention, the hybrid heat exchanger apparatus of the present invention has the heat exchanger device 6 with the hot fluid flowing through it. The hybrid heat exchanger apparatus of the present invention includes the cooling water distribution system 8 and the air flow mechanism, such as the fan assembly 10 or 110, to make ambient air represented as the Air INPUT arrows Cold flows through the heat exchanger device 6. The cooling water distribution system 8 distributes evaporative cooling water CW to the heat exchanger device 6 in a way to wet a portion of the heat exchanger device 6 (for example, zone operant Zl in figure 12) still allowing a remaining portion of the heat exchanger device 6 to be dry (for example, operant zone Z2 in figure 12). As best shown in Figure 13, the mix deflector structure 42 represents the device for mixing the HOT DAMAGED AIR and the HOT DRY AIR with each other to form THE HOT AIR MIXTURE. However, those skilled in the art must realize that air-entrained heat exchangers and forced air entrainments have high-speed air flowing through them. As a result of this, it is conjectured that shortly after the ambient air passes through the respective wet and dry portions of the heat exchanger device, the HOT WET AIR and HOT DRY AIR begin to mix. In addition, it is conjectured that the mixing also occurs as the HOT WET AIR and HOT DRY AIR flow through the fan assembly 10 of the induced entrainment system. Thus, it may not be necessary to add the mix deflector structure 42 or any other device or structure to effectively mix the HOT WET AIR and the HOT DRY AIR into the HOT AIR MIXTURE to inhibit the formation of condensed water smoke to the as the HOT AIR MIXTURE leaves container 14.
    [0064] A ninth exemplary embodiment of a hybrid heat exchanger 900 of the present invention in the wet / dry hybrid mode is illustrated in figure 18. Just as an example, the hybrid heat exchanger 900 includes a first component of the heat exchanger conventional heat 6a which incorporates a combination of straight tube sections 34a with fins 36 and bare tube sections 34a, i.e., without fins, and a second component of the conventional heat exchanger 6b having all bare tube sections 34a. Note that partition 38 is arranged between the first heat exchanger component 6a and the second heat exchanger component 6b, between the first water distribution manifold 24a and the second water distribution manifold 24b and between a first section of the elimination structure 32a and a second elimination structure 32b and ends in contact with the upper wall 4a of the container 4. In effect, partition 38 acts as an insulating panel that isolates the HOT WET AIR and the HOT DRY AIR from each other inside of the 900 heat exchanger device.
    [0065] Additionally, the hybrid heat exchanger 900 includes a first fan assembly 10a and a second fan assembly 10b. The first fan assembly 10a causes the ambient air to flow through the first component of the heat exchanger 6a to generate the HOT WET AIR from the ambient air that flows through the first component of the wet heat exchanger 6a. The second fan assembly 10b causes the ambient air to flow through the second component of the heat exchanger 6b to generate the DRY HOT AIR from the ambient air that flows through the remaining dry portion of the second heat exchanger component 6b. Since the HOT WET AIR and HOT DRY AIR are isolated from each other, the HOT WET AIR and HOT DRY AIR are exhausted from the hybrid heat exchanger separately from each other. Specifically, the first fan assembly 10a exhausts the HOT WET AIR from the hybrid heat exchanger 900 and the second fan set 10b exhausts the HOT DRY AIR from the hybrid heat exchanger 900.
    [0066] Since the HOT WET AIR and HOT DRY AIR are isolated from each other, it is possible that a smoke P can form above the first fan assembly 10a in the appropriate atmospheric conditions. In short, although the ninth modality of the hybrid heat exchanger 900 may not decrease smoke P, it does conserve water.
    [0067] In order to execute the ninth modality method of the hybrid heat exchanger apparatus 900 the present invention, the steps of distributing evaporative cooling water in the heat exchanger device and causing ambient air to flow through the heat exchanger device are identical to the method for executing the method from the first to the eighth modalities of the hybrid heat exchanger device described above. In addition, to perform the ninth mode method of the 900 hybrid heat exchanger device, the HOT WET AIR and HOT DRY AIR are isolated from each other inside the hybrid heat exchanger and then the HOT WET AIR and HOT DRY AIR they are then exhausted from the hybrid heat exchanger as separate airflow streams.
    [0068] For the modalities of the hybrid heat exchanger apparatus of the present invention, water conservation is achieved basically in two ways. First, a lesser amount of CW cooling water is used when the hybrid heat exchanger is in hybrid wet / dry mode than in wet mode. For example, compare figures 4 and 5. Second, less evaporation of the CW cooling water occurs in the wet / dry hybrid mode than in the wet mode. To further explain, in the hybrid wet / dry mode, an upstream portion of the hot fluid that flows through an upstream side of the heat exchanger coils of the hybrid heat exchanger is cooled upstream by dry cooling and a portion upstream downstream of the hot fluid (which has already flowed through the upstream side of the heat exchanger coils and is cooled by dry cooling) is additionally cooled by the evaporative cooling of a coil on the side of the heat exchanger downstream wet. Thus, it is considered that the modalities of the hybrid heat exchanger have improved cooling capabilities dry in the wet / dry hybrid mode for water conservation and possibly for smoke reduction.
    [0069] The present invention can, however, be conceived in several different forms and should not be interpreted in a limited way to the exemplary modalities presented here; instead, these exemplary embodiments are provided so that this disclosure is integral and complete and completely transfers the scope of the present invention to those skilled in the art. For example, although the figures in the drawing represent the first operating zone Zl as a wet zone and the second operating zone Z2 as a dry zone, with mechanical adjustments in some cases and without mechanical adjustments in other cases, it is possible that the first operating zone Zl is a dry zone and the second operative zone Z2 is a wet zone. In addition, the heat exchanger device described herein can be a condenser.
    权利要求:
    Claims (15)
    [0001]
    1. Hybrid heat exchanger apparatus (100), characterized by the fact that it comprises: a container (4) with an upper wall (4a), a lower wall (4b) and a plurality of side walls (4c) connected to the upper wall and bottom to form a chamber (14) generally in the form of a box, the chamber (14) having a portion of the water basin chamber (14a) defined, in part, by the lower wall (4a) to contain evaporative cooling water, a portion of the outlet chamber (14b) defined, in part, by the upper wall (4a) and a portion of the central chamber (14c) defined, in part, between opposite walls of the side walls (4c) and positioned between the portion of the chamber of the water basin (14a) and the outlet chamber portion (14b), the upper wall being formed with an air outlet (16) in communication with the outlet chamber portion (14b), at least one side wall formed with an air inlet (18) in communication with the central chamber portion (14c); a heat exchanger device (6); a cooling water distribution system (8) including at least one water distribution manifold (24) extending through the central chamber portion (14c) and arranged above and adjacent to the heat exchanger device (6) and the least one pump (26a, 26b) operating to pump the evaporative cooling water from the water chamber portion of the basin (14a) to the water distribution manifold (24), and through it, thereby distributing evaporative cooling water to the heat exchanger device (6); an air flow mechanism (10) operating to cause ambient air to flow through the hybrid heat exchanger apparatus of the air inlet (18), then upward through the heat exchanger device (6) and then to above the water distribution manifold (24) and subsequently through the air outlet (16); characterized by: the heat exchanger device (6) is arranged in the portion of the central chamber (14c), and extends through it, adjacent and below the portion of the outlet chamber (14b) and operative to transfer hot fluid through it to from a hot fluid source; and wherein the hybrid heat exchanger further comprises: a controller operating to cause the hybrid heat exchanger apparatus to operate in a wet mode, a dry mode and a hybrid wet / dry mode, wherein, in the wet mode, both the air flow mechanism (10) and the cooling water distribution system (8) are energized, causing the ambient air that flows through the heat exchanger device (6) and the evaporative cooling water to be distributed in the heat exchanger device, and through it, to generate hot moist air that subsequently exits through the air outlet (16), in dry mode, only the air flow mechanism (10) is energized while the water distribution system of cooling (8) is de-energized, causing the ambient air flowing through the heat exchanger device (6) without evaporative cooling water to be distributed in the heat exchanger device (6), and through it, to generate hot dry air that subsequently it exits through the air outlet (16), and in the hybrid wet / dry mode, both the air flow mechanism (10) and the cooling water distribution system (8) are energized in such a way that the distribution system cooling water (8) distribute evaporative cooling water through the heat exchanger device (6), and to it, in a way to wet only a portion (6a) of the heat exchanger device (6) while a remaining portion ( 6b) of the heat exchanger device (6) becomes dry and at the same time the air flow mechanism (10) causes the ambient air to flow through the heat exchanger device (6) to generate hot humid air from the ambient air that it flows through the wet portion (6a) of the heat exchanger device (6) and hot dry air from the ambient air which flows through the remaining dry portion (6b) of the heat exchanger device (6).
    [0002]
    2. Apparatus according to claim 1, characterized by the fact that, after the cooling water distribution system (8) distributes evaporative cooling water through the heat exchanger device, and to it, in a way to wet a portion (6a) of the heat exchanger device while a remaining portion (6b) of the heat exchanger device is dry and the air flow mechanism (10) causes ambient air to flow through the heat exchanger device (6) to generate the hot moist air from the ambient air flowing through the wet portion (6a) of the heat exchanger device and the hot dry air from the ambient air flowing through the remaining dry portion (6b) of the heat exchanger device , the hot humid air and the hot dry air mix to form a mixture of hot air which subsequently exits through the air outlet (16).
    [0003]
    Apparatus according to claim 1, characterized in that it additionally comprises a partition (38) for vertically dividing at least the heat exchanger device so that when the hybrid heat exchanger device is in hybrid wet / dry mode , the wet portion (6a) of the heat exchanger device and the remaining dry portion (6b) of the heat exchanger device are outlined.
    [0004]
    Apparatus according to claim 3, characterized by the fact that the partition (38) is arranged in the hybrid heat exchanger apparatus in such a way as to isolate the hot humid air and the hot dry air from each other within the heat exchanger apparatus heat so that hot humid air and hot dry air are exhausted separately from the hybrid heat exchanger.
    [0005]
    Apparatus according to claim 1, characterized in that the heat exchanger device includes a first heat exchanger component (6a) and a second heat exchanger component (6b) both in fluid communication with the first component of the heat exchanger, or in fluid insulation with the first component of the heat exchanger.
    [0006]
    Apparatus according to claim 5, characterized in that it additionally comprises a partition (38) vertically arranged at least between the first component (6a) of the heat exchanger and the second component (6b) of the heat exchanger in a manner such that, when the hybrid heat exchanger is in hybrid wet / dry mode, a first operating zone (Zl) of the central chamber portion (14c) and a second operating zone (Z2) of the central chamber portion (14c) are outlined.
    [0007]
    Apparatus according to claim 6, characterized by the fact that the first operating zone (Zl) of the central chamber portion (14c) has a width of the first horizontal operating zone (WZ1) and the second operating zone (Z2) of portion of the central chamber (14c) has a width of the second horizontal operating zone (WZ2), the width of the first horizontal operating zone (WZ1) and the width of the second horizontal operating zone (WZ2) being one of the same and different from one of the another.
    [0008]
    8. Apparatus according to claim 7, characterized by the fact that both the first component of the heat exchanger (6a) and the second component of the heat exchanger (6b) are in fluid parallel communication with each other, or the first heat exchanger component (6a) and the second heat exchanger component (6b) are in serial fluid communication with each other, or the first heat exchanger component (6a) and the second heat exchanger component (6b ) are in fluid isolation from each other.
    [0009]
    Apparatus according to any one of claims 5 to 8, characterized in that the first component (6a) of the heat exchanger is one of a tube structure (34), a filling material structure (6a 1, 6b 1) and a combination of both the tube structure and the filling material structure vertically arranged on top of each other and the second component of the heat exchanger (6b) is one of the tube structure (34) of the material structure of filling (6al, 6b 1) and the combination of both the tube structure and the structure of the filling material vertically arranged one above the other.
    [0010]
    Apparatus according to claim 9, characterized in that the tube structure (34) is one of a serpentine tube configuration, a collector-box configuration (44a, 44b) and a straight configuration.
    [0011]
    Apparatus according to claim 10, characterized in that the tube structure (34) includes both a plurality of finned tubes (34a, 36) or a plurality of bare tubes (34a) and a combination of the plurality of finned tubes and the plurality of bare tubes.
    [0012]
    Apparatus according to any one of claims 1 to 11, characterized by the fact that the cooling water distribution system (8) includes at least one valve (40) and at least one water distribution manifold (24) includes a first section (24a) of the water distribution manifold and a second section (24b) of the water distribution manifold in selective fluid communication with the first section of the water distribution manifold with at least one valve disposed between them such that when the at least one valve is in an open state, the first and second sections of the water distribution manifold are in fluid communication with each other and, when the at least one valve is in a closed state, the the first and second sections of the water distribution collector are in fluid isolation with each other, the partition being arranged between the first section of the water distribution collector and the second section of the water distribution collector.
    [0013]
    Apparatus according to any one of claims 1 to 11, characterized in that the at least one pump includes a first pump (26a) and a second pump (26b) and the at least one water distribution manifold (24 ) includes a first water distribution manifold (24a) and a second water distribution manifold (26b), the first pump (26a) and the first water distribution manifold (24a) are in selective fluid communication with each other and the second pump (26b) and the second water distribution manifold (24b) are in selective fluid communication with each other, the partition (38) being arranged between the first water distribution manifold and the second water distribution manifold Water.
    [0014]
    Apparatus according to claim 1, characterized in that the cooling water distribution system (8) includes at least one valve (40) and the at least one water distribution collector (24) includes a first section (24a) of the water distribution manifold and a second section (24b) of the water distribution manifold with the valve arranged in such a way that, when the valve is in an open state, the first and second sections of the manifold water distribution units are in fluid communication with each other and, when the valve is in a closed state, the first and second sections of the water distribution manifold are in fluid isolation with each other.
    [0015]
    Apparatus according to claim 1, characterized in that the at least one pump includes a first pump (26a) and a second pump (26b) and the at least one water distribution manifold (24) includes a first water distribution manifold (24a) and a second water distribution manifold (26b), the first pump and the first water distribution manifold are in selective fluid communication with each other and the second pump and second distribution manifold of water are in selective fluid communication with each other.
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    同族专利:
    公开号 | 公开日
    WO2012036781A8|2014-03-27|
    CN103534532B|2017-02-08|
    DK2616746T3|2019-07-22|
    MX347125B|2017-04-17|
    EP2616746A4|2015-01-21|
    US20120067546A1|2012-03-22|
    PL2616746T3|2019-11-29|
    EP2616746A2|2013-07-24|
    US11131507B2|2021-09-28|
    MX2013002827A|2013-07-29|
    ES2734074T3|2019-12-04|
    AU2011302596A1|2013-03-21|
    US20150168073A1|2015-06-18|
    WO2012036781A3|2013-11-21|
    WO2012036781A2|2012-03-22|
    CA2809792C|2019-10-01|
    CN103534532A|2014-01-22|
    RU2013117384A|2014-10-27|
    EP2616746B1|2019-04-10|
    TR201910194T4|2019-08-21|
    BR112013006155A2|2016-06-07|
    CA2809792A1|2012-03-22|
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    法律状态:
    2018-12-26| B06F| Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]|
    2020-06-02| B09A| Decision: intention to grant [chapter 9.1 patent gazette]|
    2020-10-20| B16A| Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]|Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 11/07/2011, OBSERVADAS AS CONDICOES LEGAIS. |
    优先权:
    申请号 | 申请日 | 专利标题
    US12/885,083|US20120067546A1|2010-09-17|2010-09-17|Hybrid heat exchanger apparatus and method of operating the same|
    US12/885083|2010-09-17|
    PCT/US2011/043552|WO2012036781A2|2010-09-17|2011-07-11|Hybrid heat exchanger apparatus and methods of operating the same|
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