CN111247102B - Air-cooled heat exchange apparatus with integrated and mechanized air pre-cooling system - Google Patents
Air-cooled heat exchange apparatus with integrated and mechanized air pre-cooling system Download PDFInfo
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- CN111247102B CN111247102B CN201880067876.4A CN201880067876A CN111247102B CN 111247102 B CN111247102 B CN 111247102B CN 201880067876 A CN201880067876 A CN 201880067876A CN 111247102 B CN111247102 B CN 111247102B
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- air
- insulation
- support element
- water distribution
- positioning mechanism
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Classifications
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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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28C—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA COME INTO DIRECT CONTACT WITHOUT CHEMICAL INTERACTION
- F28C1/00—Direct-contact trickle coolers, e.g. cooling towers
- F28C1/14—Direct-contact trickle coolers, e.g. cooling towers comprising also a non-direct contact heat exchange
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F13/00—Arrangements for modifying heat-transfer, e.g. increasing, decreasing
- F28F13/003—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by using permeable mass, perforated or porous materials
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F25/00—Component parts of trickle coolers
- F28F25/02—Component parts of trickle coolers for distributing, circulating, and accumulating liquid
- F28F25/04—Distributing or accumulator troughs
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F25/00—Component parts of trickle coolers
- F28F25/02—Component parts of trickle coolers for distributing, circulating, and accumulating liquid
- F28F25/08—Splashing boards or grids, e.g. for converting liquid sprays into liquid films; Elements or beds for increasing the area of the contact surface
- F28F25/087—Vertical or inclined sheets; Supports or spacers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Abstract
A DC dry adiabatic cooler having a factory installed integrated air precooler system that is mechanized to move from a shipping position to an operating position.
Description
Background
Technical Field
The present invention relates to an air-cooled heat exchanger.
Background
Air-cooled heat exchangers remove heat from a working fluid by transferring the heat to the air. Air-cooled heat exchangers are typically comprised of tubes connected to fins. The working fluid is transferred through the inside of the tube and the heat is conducted to the outside of the tube and the fin. The air dissipates heat through the fins and tubes; one or more fans are typically used to move the air. The working fluid may be a liquid, a gas, a condensed refrigerant, or any other fluid requiring heat removal. The tubes are typically made of copper, aluminum or stainless steel, but other metals and non-metals have been used. Heat sinks are typically made of copper or aluminum, but other thermally conductive materials have been used.
To remove heat from the working fluid, the temperature of the working fluid must be higher than the air temperature. The greater the temperature difference between the air and the working fluid, the less heat is required to be removed; therefore, less fan power is required to move the air.
A known method of reducing the temperature of the surrounding air is by adiabatic cooling. With adiabatic cooling, a quantity of water is sprayed into the air or onto some of the apertured panels. As the dry bulb temperature of the air approaches the wet bulb temperature, the water evaporates and cools the air. The adiabatically cooled air will have a higher humidity level and a lower dry bulb temperature than untreated air. A lower dry bulb temperature will allow cooling in a lower airflow or cooling the working fluid to a lower temperature, both of which are desirable effects.
There are various methods for the adiabatic cooling of air-cooled heat exchangers. In one approach, incoming ambient air is passed through a pre-cooling system having an apertured panel that has been saturated with water. The panel may be saturated by dripping, spraying, or other methods. As the air passes through the panel, the water evaporates, thereby cooling the incoming air. There are many variations in the type and location of these panels, but all of the incoming air passes through the water-saturated panels.
These pre-cooling systems are typically supplied after sale and are always shipped separately from the air-cooling system to which they are connected, thus requiring field installation.
Disclosure of Invention
The invention features an air-cooled heat exchange apparatus including a factory-installed air pre-cooling system coupled to and integrated with a primary air-cooled heat exchange apparatus, and further including a mechanism for transitioning the air pre-cooling system from a transport position to an operating position.
The present invention eliminates the separation between the primary heat exchange unit and the air pre-cooling system prior to shipping while maintaining the equipment within legal shipping dimensions, which in turn greatly reduces the workload of equipment installation.
A factory-assembled air-cooled heat exchange apparatus including an integrated air pre-cooling system preferably includes the following major components to facilitate proper operation and to ensure non-authorized shipping dimensions: a rotating water distribution head, a movable water distribution and insulation blanket, an adjustable incremental frame, an incremental insulation blanket support angle, a dual function drip tray/insulation blanket bottom support, a multi-function drip tray and an insulated chassis support/unit structural enhancement.
The integrated air pre-cooling system and air-cooled heat exchange apparatus of the present invention allows the air-cooled system to operate at the same ambient dry bulb temperature while achieving significantly higher heat rejection capabilities as compared to non-pre-cooled air plants. Alternatively, an air-cooled heat exchange device with an air pre-cooling system may provide equivalent heat dissipation when operated at relatively high ambient dry bulb temperatures.
Drawings
FIG. 1 is a perspective view of two V-shaped air-cooled heat exchangers that may be used in conjunction with the present invention;
FIG. 2 is a close-up perspective view of the opposite ends of the two V-shaped air-cooled heat exchangers shown in FIG. 1;
FIG. 3 is a schematic illustration of the operation of a V-type air-cooled heat exchanger of the type shown in FIGS. 1 and 2;
FIG. 4 shows a perspective view of two V-shaped air-cooled heat exchangers with insulation pads provided after market and installed on site for pre-cooling the incoming air;
FIG. 5 shows a close-up side cross-sectional view of one of the V-shaped air-cooled heat exchangers shown in FIG. 3;
FIG. 6 is a schematic view of the operation of the V-shaped air-cooled heat exchanger with insulated pre-cooling shown in FIGS. 4 and 5;
FIG. 7 is a perspective view of an integrated factory-assembled integrated air pre-cooling system and air-cooled heat exchange apparatus with the air pre-cooling system in a retracted/shipping position, according to an embodiment of the present invention;
FIG. 8 illustrates a close-up perspective view of an embodiment of the present invention with an air pre-cooling system in a retracted/shipping position;
FIG. 9 illustrates a close-up perspective view of an embodiment of the present invention with an air pre-cooling system in a first partially deployed position;
FIG. 10 illustrates a close-up perspective view of an embodiment of the present invention with an air pre-cooling system in a second partially deployed position;
FIG. 11 illustrates a close-up perspective view of an embodiment of the present invention with an air pre-cooling system in a third partially deployed position;
FIG. 12 illustrates a close-up perspective view of an embodiment of the present invention with an air pre-cooling system in a fourth partially deployed position;
FIG. 13 illustrates a close-up perspective view of an embodiment of the present invention with an air pre-cooling system in a fifth partially deployed position;
FIG. 14 illustrates a closer close-up perspective view of an embodiment of the present invention, with the top support of the air pre-cooling system in a retracted position;
FIG. 15 illustrates a closer close-up perspective view of an embodiment of the present invention with the top mount of the air pre-cooling system in a partially deployed position;
FIG. 16 illustrates a closer close-up perspective view of an embodiment of the present invention with the top support of the air pre-cooling system in a second partially deployed position;
FIG. 17 illustrates a closer close-up perspective view of an embodiment of the present invention with the insulation pad and top support of the air pre-cooling system in a fully deployed position and the top tube of the air pre-cooling system in a partially deployed position;
FIG. 18 illustrates a closer close-up perspective view of an embodiment of the present invention with the insulation pad and top support of the air pre-cooling system in a fully deployed position and the top tube of the air pre-cooling system in a second partially deployed position;
FIG. 19 illustrates a closer close-up perspective view of an embodiment of the present invention with the insulation pad, top support, and top tube of the air pre-cooling system in a fully deployed position;
fig. 20 is a perspective view of an integrated factory-assembled air pre-cooling system and air-cooled heat exchange apparatus with the air pre-cooling system in a fully deployed/operational position, according to an embodiment of the present invention.
Detailed Description
An example of a V-cooler is shown in fig. 1 and 2. The frame supports two coil bundles, each coil bundle comprising a plurality of horizontally arranged finned tubes in a V-shaped configuration. At one end of each tube bundle, the tubes are connected at an inlet end to an inlet header and an outlet header. At the opposite end of each bundle, each level tube is connected to an adjacent level tube by a return bend. The hot process fluid enters the inlet header through the inlet header connection and is then distributed from the inlet header to the tubes. The cooled fluid exits the tubes through an outlet header and returns to the fluid-flowing process/system. The frame supports a plurality of fans at the top of the cooler and draws ambient air into the equipment through the tubes and fins and out the top of the equipment.
The operating principle of a V-shaped air-cooled heat exchanger of the type shown in fig. 1 and 2 is shown in fig. 3. The red hot process fluid enters the inlet header through the inlet header connection. The hot process fluid traverses the heat exchanger from the inlet header in a direction generally parallel to the horizontal direction. Heat from the process fluid is dissipated through the coil tube surfaces and to the fins (not shown). A fan located at the top of the apparatus draws ambient air into the coil surface. Heat from the process fluid is transferred to the air and vented to the atmosphere. The cooled process fluid (shown in blue) exits the apparatus through an outlet header.
Examples of V-coolers with insulated pre-cooling pads are shown in fig. 4 and 5. The frame supports two coil bundles, each coil bundle comprising a plurality of horizontally arranged finned tubes in a V-shaped configuration. At one end of each tube bundle, the tubes are connected at an inlet end to an inlet header and an outlet header. At the opposite end of each bundle, each level tube is connected to an adjacent level tube by a return bend. The hot process fluid enters the inlet header through an inlet header connection and is then distributed from the inlet header to the tubes. The cooled fluid exits the tubes through an outlet header and returns to the fluid-flowing process/system. The insulation blankets are installed from left to right and top to bottom along the sides of the device. The water distribution system drips water onto the top of the pad to saturate it. Water that does not evaporate from the mat is collected at the bottom of the apparatus and then drained or recycled back to the top of the apparatus and back to the mat. The frame supports a plurality of fans at the top of the cooler and draws ambient air into the equipment through the saturation pad, through the tubes and fins, and out the top of the equipment.
The operating principle of a V-shaped air-cooled heat exchanger with an insulation mat for pre-cooling the incoming air is shown in fig. 6. The red hot process fluid enters the inlet header through the inlet header connection. The hot process fluid traverses the heat exchanger from the inlet header, generally parallel to the horizontal direction. Heat from the process fluid is dissipated through the coil tube surfaces and to the fins (not shown). The insulation system includes fully wetting the fibrous mat in front of the coils. A fan located at the top of the apparatus draws air through the insulated pre-cooling pad. The air is humidified as it passes through the insulation pad, thereby reducing the dry bulb temperature to within a few degrees of the wet bulb temperature. This new air temperature is called low pressure dry bulb. This precooled air is then drawn through the tube and fin surfaces, greatly improving heat dissipation. Heat from the process fluid is transferred to the air and released to the atmosphere. The cooled process fluid (shown in blue) exits the apparatus through an outlet header. In the circulating water system, the water used to wet the insulation mat does not evaporate, is collected at the bottom of the facility, and is then recirculated to the water distribution system at the top of the mat. In once-through water systems, the water used to wet the insulation mat and not evaporated is collected and sent to a drain.
Fig. 7 and 20 illustrate an example of an embodiment of the present invention comprising a V-shaped air-cooled heat exchanger with an integrated factory-installed air pre-cooling system. Fig. 7 shows the air pre-cooling system in a retracted position for transport, and fig. 20 shows the air pre-cooling system in a fully deployed, operational position.
Fig. 8 illustrates a close-up perspective view of an embodiment of the present invention with an integrated air pre-cooling system in a retracted/shipping position. A removable water distribution and thermal insulation pad 3 is shown on a dual function drip tray/thermal insulation pad bottom support 5 just above a multi-function drip tray 7. A rotatable water distribution header/tube 9 is pivotally attached to the V-frame air cooled heat exchanger. The integrated air pre-cooling system also includes a frame 11 connected to the V-shaped air-cooled heat exchanger frame, a pivoting middle thermally insulated support member 13 and a translatable top thermally insulated support member 15.
When the device is ready for shipment, all the insulation mats are in the position shown in fig. 8, with the respective top and bottom mats 3 lying/stacked on top of each other, with the top mat in front of/outside of the bottom mat. The water distribution tube 9 is in a retracted position folded against the frame of the V-shaped air-cooled heat exchanger. The top insulating support element 15 is in a retracted/down position and the intermediate support element 13 is in a down/retracted position. According to an alternative embodiment, the top thermally insulating support element 15 may be in a deployed/top position (see, e.g., fig. 16). The device is shipped at this location.
When the device reaches its installation site, the deployment/positioning control system 17 is activated by the operator/installation technician, causing the elements of the pre-chilling system to automatically move in sequence into the fully deployed operational configuration. Figure 9 shows a first step in the process in which the insulation blanket is raised towards the operative position by the insulation blanket positioning mechanism 19. At this stage, the water dispensing tube 9 and the intermediate support element 13 remain in the retracted position. The top insulating support element 15 remains in the transport position, both in the lowered position and in the final position.
Fig. 10 shows the top insulation pad beginning to move to a final position with the remaining elements of the pre-cooling system in a transport state. Although only one set of top pads is shown moving into the deployed configuration, in actual operation, all of the top pads are simultaneously moving into the deployed/operational configuration. The top insulation blanket is shown in fig. 11 moved to its final and operational position/configuration.
When the top pads have been moved to their final position, the intermediate pad support elements are automatically raised towards their final operating configuration by the pad support element positioning mechanism 21, see fig. 12 (intermediate pad support elements moved towards final operating configuration) and fig. 13 (intermediate pad support elements reached final operating configuration).
In the next step, if the top insulating support element is not already in the fully deployed and raised position, it will automatically move to that position. The top insulation blanket support member is shown in a lower (preferred transport) configuration in fig. 14. Figure 15 shows the top insulation blanket support element moved toward its fully raised and operational configuration and figure 16 shows the top insulation blanket support element having been moved to its fully raised and operational position (and optionally, a less preferred transport position).
Once the top insulating mattress is in its operative position and the top and middle insulating support elements are also in their operative position, the water distribution pipe will be automatically rotated from its transport position to its operative position by the water distribution pipe positioning mechanism 23, see fig. 17 and 18.
The thermal blanket positioning mechanism, thermal blanket support element positioning mechanism and water distribution pipe positioning mechanism are connected to and controlled by a positioning control system 17.
Fig. 19 positions the top thermal insulation blanket, top thermal insulation blanket support element holder and water distribution tube of the air pre-cooling system in a fully deployed position with the water distribution tube nested in a recess in the top of the thermal insulation blanket.
Fig. 20 is a perspective view of an integrated factory-assembled air pre-cooling system and air-cooled heat exchange apparatus with the air pre-cooling system in a fully deployed/operational position, according to an embodiment of the present invention. Once the integrated air pre-cooling system is fully deployed into the operational configuration, it may operate as described in FIGS. 4-6.
The various mechanisms and control systems for moving the elements of the air pre-cooling system from the transport position to their operating positions are well within the abilities of one of ordinary skill in the art, and the present invention is not intended to be limited to any particular mechanism or control system.
Claims (1)
1. A dry, insulated cooler, comprising:
a frame;
two tube bundles arranged in a vertically oriented V-shape in the frame;
each of the two tube bundles having an inlet header configured and positioned to receive and distribute a hot process fluid to the respective tube bundle and an outlet header configured and positioned to receive a cooled process fluid from the corresponding tube bundle;
the two tube bundles, each tube bundle comprising a plurality of horizontally arranged finned tubes connected to adjacent tubes by bent tubes;
a plurality of fans supported by the frame above the two tube bundles, the plurality of fans configured to pass air through the two tube bundles and out a top of the plurality of fans;
a plurality of upper insulation mats and a plurality of lower insulation mats mounted in the frame adjacent the air intake side of each of the two tube bundles, the plurality of upper insulation mats having: an upper insulation mat transport position laterally adjacent to a corresponding one of the plurality of lower insulation mats; and an upper insulation pad operating position above a corresponding one of the lower insulation pads;
an upper insulation blanket positioning mechanism configured to move the upper insulation blanket from an upper insulation blanket transport position to an upper insulation blanket operational position;
a water distribution system comprising one or more water distribution tubes configured and positioned to wet and cool air before the air is drawn through the two tube bundles;
the water distribution pipes each having a water distribution pipe transport position and a water distribution pipe operational position, the water distribution pipe transport position being located adjacent the frame and the water distribution pipe operational position being located above the insulation blanket and configured to deliver water to the insulation blanket;
a water dispensing tube positioning mechanism configured to move the water dispensing tube from the water dispensing tube transport position to the water dispensing tube operational position;
a plurality of insulating support elements, each having a shipping position for the insulating support element and an operating position for the insulating support element;
a thermally insulated support element positioning mechanism configured to move the thermally insulated support element from a shipping position of the thermally insulated support element to an operating position of the thermally insulated support element;
a water collection tray located below the insulation mat and configured to collect water drained from the insulation mat; and
a control system connected to said upper insulation blanket positioning mechanism, said water distribution pipe positioning mechanism and said insulation support element positioning mechanism, said control system configured to cause said upper insulation blanket positioning mechanism, said water distribution pipe positioning mechanism and said insulation support element positioning mechanism to move said upper insulation blanket, said water distribution pipe and said insulation support element from respective shipping positions to respective operating positions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211265910.3A CN115654962A (en) | 2017-09-19 | 2018-09-19 | Air-cooled heat exchange apparatus with integrated and mechanized air pre-cooling system |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201762560294P | 2017-09-19 | 2017-09-19 | |
| US62/560,294 | 2017-09-19 | ||
| PCT/US2018/051822 WO2019060463A2 (en) | 2017-09-19 | 2018-09-19 | Air-cooled heat transfer device with integrated and mechanized air pre-cool system |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211265910.3A Division CN115654962A (en) | 2017-09-19 | 2018-09-19 | Air-cooled heat exchange apparatus with integrated and mechanized air pre-cooling system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111247102A CN111247102A (en) | 2020-06-05 |
| CN111247102B true CN111247102B (en) | 2022-10-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211265910.3A Pending CN115654962A (en) | 2017-09-19 | 2018-09-19 | Air-cooled heat exchange apparatus with integrated and mechanized air pre-cooling system |
| CN201880067876.4A Active CN111247102B (en) | 2017-09-19 | 2018-09-19 | Air-cooled heat exchange apparatus with integrated and mechanized air pre-cooling system |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211265910.3A Pending CN115654962A (en) | 2017-09-19 | 2018-09-19 | Air-cooled heat exchange apparatus with integrated and mechanized air pre-cooling system |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP3685112A4 (en) |
| CN (2) | CN115654962A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4234526A (en) * | 1979-01-09 | 1980-11-18 | Mcgraw-Edison Company | Evaporative cooler |
| US5226293A (en) * | 1992-06-15 | 1993-07-13 | Walton Enterprises Ii L.P. | Retrofit louver system for evaporative air coolers |
| EP1698847A1 (en) * | 2005-02-07 | 2006-09-06 | Dambassinas Hippocrates | Hybrid adiabatic heat exchange system |
| CN1833151A (en) * | 2003-07-09 | 2006-09-13 | 澳大利亚穆勒工业有限公司 | System and method of cooling |
| CN203249420U (en) * | 2012-02-13 | 2013-10-23 | 特尔姆芬有限公司 | Air cooler device |
| CN104220836A (en) * | 2011-12-28 | 2014-12-17 | 沙特阿拉伯石油公司 | Cleaning apparatus for heat exchange tubes of air cooled heat exchangers |
| US8966924B2 (en) * | 2009-11-13 | 2015-03-03 | Equinix, Inc. | Pre-cooling chamber for a cooling tower |
| CN106415141A (en) * | 2014-01-20 | 2017-02-15 | 巴尔的摩汽圈公司 | Adiabatic refrigerant condenser control system |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3384165A (en) * | 1966-02-03 | 1968-05-21 | Du Pont | Heat exchanger |
| WO2008151377A1 (en) * | 2007-06-14 | 2008-12-18 | Muller Industries Australia Pty Ltd | System and method of wetting adiabatic material |
| FR2982936B1 (en) * | 2011-11-22 | 2018-04-06 | Bs Gestion Conseil | DEVICE FOR COOLING A FLUID AND ASSOCIATED METHOD |
-
2018
- 2018-09-19 CN CN202211265910.3A patent/CN115654962A/en active Pending
- 2018-09-19 EP EP18859865.0A patent/EP3685112A4/en active Pending
- 2018-09-19 CN CN201880067876.4A patent/CN111247102B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4234526A (en) * | 1979-01-09 | 1980-11-18 | Mcgraw-Edison Company | Evaporative cooler |
| US5226293A (en) * | 1992-06-15 | 1993-07-13 | Walton Enterprises Ii L.P. | Retrofit louver system for evaporative air coolers |
| CN1833151A (en) * | 2003-07-09 | 2006-09-13 | 澳大利亚穆勒工业有限公司 | System and method of cooling |
| EP1698847A1 (en) * | 2005-02-07 | 2006-09-06 | Dambassinas Hippocrates | Hybrid adiabatic heat exchange system |
| US8966924B2 (en) * | 2009-11-13 | 2015-03-03 | Equinix, Inc. | Pre-cooling chamber for a cooling tower |
| CN104220836A (en) * | 2011-12-28 | 2014-12-17 | 沙特阿拉伯石油公司 | Cleaning apparatus for heat exchange tubes of air cooled heat exchangers |
| CN203249420U (en) * | 2012-02-13 | 2013-10-23 | 特尔姆芬有限公司 | Air cooler device |
| CN106415141A (en) * | 2014-01-20 | 2017-02-15 | 巴尔的摩汽圈公司 | Adiabatic refrigerant condenser control system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115654962A (en) | 2023-01-31 |
| CN111247102A (en) | 2020-06-05 |
| EP3685112A4 (en) | 2021-06-16 |
| EP3685112A2 (en) | 2020-07-29 |
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