CN110736363A - air-air heat exchange device for water saving and fog dispersal of reinforced cooling tower - Google Patents
air-air heat exchange device for water saving and fog dispersal of reinforced cooling tower Download PDFInfo
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- CN110736363A CN110736363A CN201910797150.2A CN201910797150A CN110736363A CN 110736363 A CN110736363 A CN 110736363A CN 201910797150 A CN201910797150 A CN 201910797150A CN 110736363 A CN110736363 A CN 110736363A
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 11
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 claims description 7
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229920002125 Sokalan® Polymers 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
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- 239000010949 copper Substances 0.000 claims description 4
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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
- F28C1/16—Arrangements for preventing condensation, precipitation or mist formation, outside the cooler
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses an air-air heat exchange device for water saving and fog dissipation of a reinforced cooling tower, which comprises a plurality of heat exchange plates, a plurality of sealing strips and two sealing side plates, wherein the heat exchange plates are arranged in parallel at intervals, the two sealing side plates are fixed on two end surfaces of all the heat exchange plates, the upper surface and the lower surface between every two heat exchange plates are sealed through the sealing strips to form a dry cold air channel which is ventilated left and right, dry cold air ventilating grooves are respectively arranged at positions, corresponding to the dry cold air channel, on the two sealing side plates to serve as an air inlet and an air outlet of dry cold air, every two heat exchange plates serve as groups of heat exchange plates, the space between every two adjacent groups of heat exchange plates is a wet hot air channel which is ventilated up and down, and because the wet hot air channel and the dry cold air channel which are perpendicular to flow direction and are alternately arranged are adopted, when the wet hot air is cooled by the dry cold air, the water vapor in the wet hot air is recovered, the humidity.
Description
Technical Field
The invention relates to the field of industrial and civil cooling equipment, in particular to an air-air heat exchange device for strengthening water saving and fog dissipation of a cooling tower.
Background
The cooling tower is evaporative cooling equipment, a large amount of heat in high-temperature circulating water is taken away mainly through evaporation of water, the evaporation amount of the circulating water is large and is about 1.2% -1.6% of the total amount of the circulating water in the operation process of the cooling tower, meanwhile, after wet and hot air which is close to saturation is discharged out of the cooling tower, the wet and hot air is mixed with dry and cold air, and due to reduction of temperature, water vapor in the wet air is condensed to form white fog outside the tower, so that the influence on the surrounding area environment and visibility is generated, and environmental and safety problems are caused, and therefore, the research on water saving and fog dissipation of the cooling tower has important practical significance.
In the prior art, a method for reducing the temperature of outlet air to condense and separate out water vapor is often adopted for fog dissipation of a cooling tower, for example, the prior patent document CN103727805A discloses deep condensed water fog dissipation environment-friendly devices, which condense wet hot air by using heat exchange assemblies arranged in rows of diamonds to achieve the effect of water saving and fog dissipation, but the devices have small heat exchange area and large flow resistance caused by the diamond arrangement, and particularly in seasons where white fog is not easily generated, the heat exchange devices are difficult to play a role of water saving.
For another example, CN107560456A discloses mechanical draft cooling tower with condensed liquid and fog dispersal functions, in which an air-cooled condensed water collecting device is provided between a water distribution system and a top exhaust fan, cold air is provided by a suction device at the bottom of the tower, and a cooling device is provided on the path of an air outlet pipe, but since cold air needs to be delivered from the bottom of the tower to the water collecting device at the upper part of the tower, a large amount of electric energy is consumed, and an additional cooling device is required to cool the cold air, which results in large investment.
Therefore, there is still a need for improvement and development of the prior art.
Disclosure of Invention
In order to solve the technical problem, the invention provides air-air heat exchange devices for strengthening water saving and fog dispersal of a cooling tower, which can effectively reduce the humidity of damp and hot air.
Meanwhile, the invention also provides cooling towers which have the effects of saving water and reducing fog and do not need to increase extra power consumption in the season without demisting.
The technical scheme includes that air-air heat exchange devices for water saving and fog dissipation of a reinforced cooling tower comprise a plurality of groups of heat exchange plates, a plurality of sealing strips and two sealing side plates, wherein each two heat exchange plates are used as groups of heat exchange plates, the plurality of groups of heat exchange plates are arranged in parallel at intervals, the two sealing side plates are fixed on two end faces of each group of heat exchange plates, the upper face and the lower face between the two heat exchange plates in each group of heat exchange plates are sealed through the sealing strips to form a dry cold air channel which is ventilated left and right, dry cold air ventilating grooves are respectively arranged on the two sealing side plates at positions corresponding to the dry cold air channel to serve as an air inlet and an air outlet of dry cold air, and a space between two adjacent groups of heat exchange plates is a.
The air-air heat exchange device for water saving and fog dispersal of the reinforced cooling tower is characterized in that: in each group of heat exchange plates, the surface of the heat exchange plate facing the hot and humid air channel is provided with a super-hydrophobic coating, and the surface of the heat exchange plate of the surface is provided with a plurality of conical bulges at intervals, and the conical bulges are all arranged facing the hot and humid air channel; and the surfaces of all the conical bulges are provided with super-hydrophilic coatings.
The air-air heat exchange device for water saving and fog dispersal of the reinforced cooling tower is characterized in that: the conical bulges on the front and back outer opposite surfaces of each group of heat exchange plates are oppositely and symmetrically arranged.
The air-air heat exchange device for water saving and fog dispersal of the reinforced cooling tower is characterized in that: the super-hydrophobic coating is a fluorocarbon resin coating or a nano silicon dioxide coating; the super-hydrophilic coating is a polyacrylic acid coating or a nano titanium dioxide coating.
The air-air heat exchange device for water saving and fog dispersal of the reinforced cooling tower is characterized in that: the diameter of each conical protrusion is 2-3 mm, the height of each conical protrusion is 2-3 mm, and the distance between every two adjacent conical protrusions is 2-3 mm.
The water-saving and fog-dispersing air-air heat exchange device for the enhanced cooling tower is characterized in that arc-shaped flow guide convex grooves are further formed in the outer surface of each group of heat exchange plates at intervals of 2-3 rows of conical protrusions, and the arc-shaped flow guide convex grooves are formed in the length direction of each group of heat exchange plates.
The air-air heat exchange device for water saving and fog dispersal of the reinforced cooling tower is characterized in that: the surface of the arc-shaped flow guide convex groove is provided with a super-hydrophobic coating; the super-hydrophobic coating is a fluorocarbon resin coating or a nano silicon dioxide coating.
The air-air heat exchange device for water saving and fog dispersal of the reinforced cooling tower is characterized in that: the protruding height of arc water conservancy diversion tongue is 1~2mm, its length and the length looks adaptation of heat transfer board.
The air-air heat exchange device for water saving and fog dispersal of the reinforced cooling tower is characterized in that: the heat exchange plate is made of copper, aluminum or heat conducting plastic with the thickness of 0.5-1.0 mm and is made into a broken line plate shape, an S-shaped curved surface plate shape or a trapezoid plate shape.
cooling towers comprise a tower body, a top outlet fan spray device and a heat exchanger, wherein the top outlet fan is arranged at the top of the tower body, the spray device and the heat exchanger are both arranged inside the tower body, and the heat exchanger is arranged between the top outlet fan and the spray device, wherein the heat exchanger is the air-air heat exchanger for strengthening water saving and fog dissipation of the cooling tower in any items.
According to the cooling towers and the air-air heat exchange device thereof, the wet hot air channel and the dry cold air channel which are vertical in flow direction and are alternately arranged are adopted, so that the wet hot air is cooled by the dry cold air, and simultaneously, the water vapor in the wet hot air is recovered, the humidity of the wet hot air is effectively reduced, the effects of saving water and reducing fog are achieved, and no extra power consumption is required to be added in the season without demisting.
Drawings
FIG. 1 is a schematic structural view of an embodiment of a gas-gas heat exchange apparatus of the present invention;
FIG. 2 is a partial enlarged view of the -side outer surface of a single set of heat exchange plates for use in the gas-gas heat exchange device of the present invention;
FIG. 3 is a schematic side view of a single set of heat exchange plates for use in the gas-gas heat exchange apparatus of the present invention;
FIG. 4 is a schematic diagram of the internal structure of an embodiment of a cooling tower of the present invention.
Detailed Description
The embodiments and examples of the present invention will be described in detail below with reference to the accompanying drawings, and the described embodiments are only for the purpose of illustrating the present invention and are not intended to limit the embodiments of the present invention.
As shown in fig. 1, fig. 1 is a schematic structural diagram of an embodiment of a gas-gas heat exchanger according to the present invention, the gas-gas heat exchanger 300 includes two sealing side plates (310 and 320), a plurality of heat exchange plates 330 and a plurality of sealing strips 340, the plurality of heat exchange plates 330 are arranged in parallel at intervals, the two sealing side plates (310 and 320) are fixed on two end surfaces of each heat exchange plate 330, each two heat exchange plates are used as groups of heat exchange plates 330, the upper and lower surfaces of the inner space of each heat exchange plate are respectively sealed by the sealing strips 340 to form a dry and cold air channel C which ventilates from the left and right end surfaces of each heat exchange plate 330, correspondingly, dry and cold air ventilation slots 311 are respectively arranged on the two sealing side plates (310 and 320) at positions corresponding to the dry and cold air channel C, and a space between the two adjacent heat exchange plates 330 is a wet and hot air channel H which ventilates up and down.
That is, in the air-air heat exchanger 300 of the present invention, the hot and humid air path H is perpendicular to the flow direction of the cold and dry air path C and is alternately arranged in a direction perpendicular to the flow direction of the hot and humid air path H, and preferably, the width of the hot and humid air path H is more than twice the width of the cold and dry air path C, so that can further improve the recovery efficiency of the moisture in the hot and humid air.
The invention relates to an air-air heat exchange device 300 for water saving and fog dissipation of an enhanced cooling tower, which belongs to a dividing wall type air-air plate heat exchanger, wherein a single group of heat exchange plates 330 is a main component, the shape of the heat exchange plates can adopt a wave-shaped curved plate shape shown in figure 1, and also can adopt a broken line plate shape or a trapezoidal plate shape so as to intercept tiny floating drops carried in hot and humid air and reduce the flow resistance of a hot and humid air channel.
Referring to fig. 2 and 3, fig. 2 is a partial enlarged structural view of the -side outer surface of a single group of heat exchange plates used in the gas-gas heat exchange device of the present invention, fig. 3 is a side enlarged structural view of a single group of heat exchange plates used in the gas-gas heat exchange device of the present invention, and taking a single group of heat exchange plates 330 having a wavy curved plate shape as an example, in a preferred embodiment of the gas-gas heat exchange device 300 of the present invention, two outer surfaces of the single group of heat exchange plates 330 face different hot and humid air passages H, and a plurality of conical protrusions 331 are arranged at intervals on the surface facing the hot and humid air passages H, i.e., a plurality of conical protrusions 331 are arranged at intervals on two outer surfaces of each group of heat exchange plates 330, and the protrusion directions of the conical protrusions 331 face the hot and are both toward the hot and humid air passages H, and surfaces of all the conical protrusions 331 are provided with super-hydrophilic coatings for absorbing and collecting water vapor in the hot and forming water droplets, and two outer surfaces of each group of heat exchange plates 330, i.e., the surfaces facing the hot and the water film coatings are provided with super-hydrophobic coatings for preventing the hot air passages C from affecting the inner surfaces of the two heat exchange plates 330.
According to the principle of water surface tension action, when dry and cold air passes through a dry and cold air channel C and passes through a wet and hot air channel H with rising wet and hot air, the air-gas heat exchange device 300 for strengthening water saving and fog removing of the cooling tower performs heat exchange through the heat exchange plates 330, water vapor of the wet and hot air is rapidly condensed into water drops and is increased at the conical protrusions 331 provided with the super-hydrophilic coating after being cooled, the water drops slide off from the outer surface of the super-hydrophobic coating on the single-group heat exchange plates 330 under the action of gravity, meanwhile, the conical protrusions 331 increase the heat exchange area of each group of heat exchange plates 330, the heat exchange efficiency is improved, the conical protrusions 331 also enhance disturbance on the wet and hot air, the turbulence degree of the wet and hot air side (and the dry and cold air side) is improved, the convection heat transfer coefficient of each group of heat exchange plates 330 is increased, the whole heat exchange process is strengthened by , the collision probability of micro floating drops with each group of heat exchange plates 330 is increased, the capture process of the micro floating drops is reduced, the loss of micro floating drops is greatly reduced, the moisture drops is absorbed by the conical protrusions 331 and the water vapor is recovered at the outlet of the cooling tower, and the moisture drops is greatly reduced.
In the embodiment of the air-air heat exchange device 300 for saving water and eliminating fog of the enhanced cooling tower, the heat exchange plate 330 may be made of copper, aluminum or heat conductive plastic plate with a thickness of 0.5-1.0 mm, and may be made into a broken line plate shape, an S-shaped curved plate shape or a trapezoid plate shape.
Specifically, the width of the hot and humid air channel H can be set between 15mm and 20mm, and the width of the single dry and cold air channel C can be set between 5mm and 10mm
Specifically, the super-hydrophilic coating can adopt a polyacrylic acid coating and also adopts a nano titanium dioxide coating; the super-hydrophobic coating can adopt a fluorocarbon resin coating and a nano silicon dioxide coating.
Specifically, the diameter of each conical protrusion 331 is 2-3 mm, the height of each conical protrusion 331 is 2-3 mm, and the distance between every two adjacent conical protrusions 331 is 2-3 mm.
Preferably, arc-shaped flow guide convex grooves 332 are further formed in the outer surface of each group of heat exchange plates 330 at intervals of 2-3 rows of the conical protrusions 331, the arc-shaped flow guide convex grooves 332 are arranged along the length direction of each group of heat exchange plates 330 to collect water drops condensed from the conical protrusions 331 to form liquid drops, the influence of the water drops condensed at the upper conical protrusions 331 on the lower conical protrusions 331 is reduced, and the water vapor recovery efficiency of the heat exchange plates 330 is improved .
Preferably, the surface of the arc-shaped flow guide convex groove 332 is also provided with a super-hydrophobic coating to accelerate the flow guide effect on the liquid drops; specifically, the super-hydrophobic coating is a fluorocarbon resin coating or a nano-silica coating; specifically, the protruding height of the arc-shaped flow guide convex groove 332 is 1-2 mm, and the length of the arc-shaped flow guide convex groove is matched with the length of the heat exchange plate 330.
In order to maximize the water vapor recovery, it is preferable that the conical protrusions 331 on the front and back outer surfaces of each set of heat exchange plates 330 are oppositely and symmetrically oriented, and the shape of each set of heat exchange plates 330 is matched, so that the water vapor in the hot and humid air channel H can be maximally cooled to condense moisture and absorb condensed water, and the micro-droplets in the hot and humid air channel H can be maximally intercepted and captured.
In example , the gas-gas heat exchanger 300 specifically uses a copper plate with a thickness of 0.5mm to form a wave-shaped heat exchanger 330 assembly, and a conical protrusion 331 and an arc-shaped flow guiding convex groove 332 are manufactured on an outer surface of the wave-shaped heat exchanger in advance, wherein the diameter and the height of the conical protrusion 331 are 2mm and 2mm, the distance between two adjacent conical protrusions 331 is 2mm, the protrusion height of the arc-shaped flow guiding convex groove 332 is 1mm, the width of the hot and humid air channel H is 16mm, and the width of the cold and dry air channel C is 6mm, a super-hydrophilic coating coated on the surface of the conical protrusion 331 uses a polyacrylic acid coating, a super-hydrophobic coating coated on the outer surface of each group of heat exchanger 330 and the inner surface of the arc-shaped flow guiding convex groove 332 uses a fluorocarbon resin coating, and data statistics after experiments show that after the gas-gas heat exchanger 300 in example is used.
In the second embodiment, the gas-gas heat exchange device 300 specifically adopts an aluminum plate with the thickness of 0.8mm to manufacture a wave-shaped heat exchange plate 330 group, and a conical protrusion 331 and an arc-shaped flow guide convex groove 332 are manufactured on the outer surface of the wave-shaped heat exchange plate in advance, wherein the diameter of the conical protrusion 331 on the wave-shaped heat exchange plate is 3mm, the height of the conical protrusion 331 on the wave-shaped heat exchange plate is 3mm, the distance between two adjacent conical protrusions 331 is 3mm, the protruding height of the arc-shaped flow guide convex groove 332 is 1.5mm, the width of a wet hot air channel H is 18mm, the width of a dry cold air channel C is 8mm, a super-hydrophilic coating coated on the surface of the conical protrusion 331 adopts a nano titanium dioxide coating, and a super-; data statistics after the experiment shows that after the gas-gas heat exchange device 300 of the second embodiment is used, the water saving rate of the circulating water of the cooling tower can reach 14-28%.
In addition, in order to improve the stability of the heat exchange plates 330 and prevent the heat exchange plates 330 from loosening and shifting during long-term use, it is preferable that a plurality of fixing holes 333 are further provided at intervals at the upper and lower edges of the heat exchange plates 330 in fig. 2, and all the heat exchange plates 330 are connected and fixed by a plurality of connecting rods 350 and corresponding nuts (not shown) in fig. 1.
It should be noted that, in the dry season where fog dissipation is not required, the dry and cool air channel C may be closed, and the gas-gas heat exchange device 300 of the present invention may be used as a water collector, but still has the functions of trapping micro-droplets and absorbing condensed water, and no additional energy consumption is required.
Based on the above-mentioned air-air heat exchange device 300 for enhancing water saving and fog dispersal of the cooling tower, the present invention further provides cooling towers, as shown in fig. 4, fig. 4 is a schematic diagram of an internal structure of an embodiment of the cooling tower of the present invention, a cooling tower 200 of the present invention includes a tower body 210, a top outlet fan 220, a spraying device 230, a heat exchanger 240 and a water pump 250, a space at the bottom of the tower body 210 is used for containing circulating water, and the cooled circulating water is supplied to a lower-level device through the water pump 250, an air inlet 211 is arranged on a side wall of the lower portion of the tower body 210, the top outlet fan 220 is installed at the top of the tower body 210, the spraying device 230 and the heat exchanger 240 are both installed inside the tower body 210, the spraying device 230 is located at the middle upper portion of the tower body 210, the heat exchanger 240 is located between the top outlet fan 220 and the spraying device 230, and the heat exchanger 240 is the air-air.
It should be understood that the above-mentioned embodiments are merely preferred examples of the present invention, and not restrictive, but rather, all the changes, substitutions, alterations and modifications that come within the spirit and scope of the invention as described above may be made by those skilled in the art, and all the changes, substitutions, alterations and modifications that fall within the scope of the appended claims should be construed as being included in the present invention.
Claims (10)
- The air-air heat exchange device for water saving and fog dissipation of the reinforced cooling tower is characterized by comprising a plurality of groups of heat exchange plates, a plurality of sealing strips and two sealing side plates, wherein the heat exchange plates are arranged in parallel at intervals, the two sealing side plates are fixed on two end faces of each group of heat exchange plates, every two heat exchange plates are used as groups of heat exchange plates, the upper face and the lower face between the two heat exchange plates in each group of heat exchange plates are sealed through the sealing strips to form a dry cold air channel which is ventilated left and right, dry cold air ventilating grooves are respectively arranged on the two sealing side plates at positions corresponding to the dry cold air channel to serve as an air inlet and an air outlet of dry cold air, and a space between two adjacent groups of heat exchange plates is a wet hot air channel which is.
- 2. The water-saving and fog-dispersing air-air heat exchange device of the enhanced cooling tower as claimed in claim 1, wherein: in each group of heat exchange plates, the surface of the heat exchange plate facing the hot and humid air channel is provided with a super-hydrophobic coating, and the surface of the heat exchange plate of the surface is provided with a plurality of conical bulges at intervals, and the conical bulges are all arranged facing the hot and humid air channel; and the surfaces of all the conical bulges are provided with super-hydrophilic coatings.
- 3. The water-saving and fog-dispersing air-air heat exchange device of the enhanced cooling tower as claimed in claim 2, wherein: the conical bulges on the front and back outer surfaces of each group of heat exchange plates are opposite in orientation direction and are symmetrically arranged.
- 4. The water-saving and fog-dispersing air-air heat exchange device of the enhanced cooling tower as claimed in claim 2, wherein: the super-hydrophobic coating is a fluorocarbon resin coating or a nano silicon dioxide coating; the super-hydrophilic coating is a polyacrylic acid coating or a nano titanium dioxide coating.
- 5. The water-saving and fog-dispersing air-air heat exchange device of the enhanced cooling tower as claimed in claim 2, wherein: the diameter of each conical protrusion is 2-3 mm, the height of each conical protrusion is 2-3 mm, and the distance between every two adjacent conical protrusions is 2-3 mm.
- 6. The water-saving and fog-removing gas-gas heat exchange device of the reinforced cooling tower as claimed in claim 2, wherein arc-shaped flow guide convex grooves are further arranged on the outer surface of each group of heat exchange plates at intervals of 2-3 rows of conical protrusions, and the arc-shaped flow guide convex grooves are arranged along the length direction of each group of heat exchange plates.
- 7. The water-saving and fog-dispersing air-air heat exchange device of the enhanced cooling tower as claimed in claim 6, wherein: the surface of the arc-shaped flow guide convex groove is provided with a super-hydrophobic coating; the super-hydrophobic coating is a fluorocarbon resin coating or a nano silicon dioxide coating.
- 8. The water-saving and fog-dispersing air-air heat exchange device of the enhanced cooling tower as claimed in claim 6, wherein: the protruding height of arc water conservancy diversion tongue is 1~2mm, its length and the length looks adaptation of heat transfer board.
- 9. The water-saving and fog-dispersing air-air heat exchange device of the enhanced cooling tower as claimed in claim 1, wherein: the heat exchange plate is made of copper, aluminum or heat conducting plastic with the thickness of 0.5-1.0 mm and is made into a broken line plate shape, an S-shaped curved surface plate shape or a trapezoid plate shape.
- 10, cooling tower, including the tower body, top export fan spray set and heat exchanger, the top export fan is installed at the top of tower body, spray set and heat transfer are all installed in the inside of tower body, and the heat transfer is located between top export fan and the spray set, wherein the heat exchanger sets up as the air-gas heat exchanger of strengthening cooling tower water conservation defogging of any in claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910797150.2A CN110736363A (en) | 2019-08-27 | 2019-08-27 | air-air heat exchange device for water saving and fog dispersal of reinforced cooling tower |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910797150.2A CN110736363A (en) | 2019-08-27 | 2019-08-27 | air-air heat exchange device for water saving and fog dispersal of reinforced cooling tower |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112261845A (en) * | 2020-10-28 | 2021-01-22 | 武汉第二船舶设计研究所(中国船舶重工集团公司第七一九研究所) | Prevent fine passageway liquid cooling system of condensation |
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2019
- 2019-08-27 CN CN201910797150.2A patent/CN110736363A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112261845A (en) * | 2020-10-28 | 2021-01-22 | 武汉第二船舶设计研究所(中国船舶重工集团公司第七一九研究所) | Prevent fine passageway liquid cooling system of condensation |
| CN112261845B (en) * | 2020-10-28 | 2022-06-28 | 武汉第二船舶设计研究所(中国船舶重工集团公司第七一九研究所) | Prevent fine passageway liquid cooling system of condensation |
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