CN114701636B - Ship self-flow cooling system based on separated heat pipes - Google Patents
Ship self-flow cooling system based on separated heat pipes Download PDFInfo
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- CN114701636B CN114701636B CN202210238464.0A CN202210238464A CN114701636B CN 114701636 B CN114701636 B CN 114701636B CN 202210238464 A CN202210238464 A CN 202210238464A CN 114701636 B CN114701636 B CN 114701636B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63J—AUXILIARIES ON VESSELS
- B63J2/00—Arrangements of ventilation, heating, cooling, or air-conditioning
- B63J2/12—Heating; Cooling
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Abstract
The application relates to a boats and ships self-flowing cooling system based on disconnect-type heat pipe belongs to boats and ships cooling system technical field, includes: the evaporator is positioned in the cabin and is close to the heating equipment or the bulkhead, a heat source medium inlet and a heat source medium outlet are formed in the evaporator, and the heat source medium enters the evaporator through the heat source medium inlet and exchanges heat with a heat pipe working medium in the evaporator and is discharged through the heat source medium outlet; and the condenser is positioned on the ship board outside the ship cabin and exchanges heat with the cooling medium outside the cabin, a heat pipe working medium inlet of the condenser is connected with the evaporator through a heat pipe working medium steam rising pipeline, and a heat pipe working medium outlet of the condenser enters the evaporator through a liquid condensing working medium return pipeline. The heat pipe heat exchanger utilizes the characteristics of high heat conduction, temperature flattening and reversible heat flow direction of the heat pipe, and maintains stable temperature of a cabin and equipment. The heat pipe working medium circulation loop is added to isolate the outboard cooling medium from the heat source medium in the cabin, so that the safety and reliability of the system are improved.
Description
Technical Field
The application relates to the technical field of ship cooling systems, in particular to a ship self-flow cooling system based on a separated heat pipe.
Background
The ships, ocean platforms and the like are provided with cooling systems, and the functions of the cooling systems are to lead out heat generated in the working process of equipment such as a power system working, an air conditioner, an electric appliance and the like to the outside of the ship, the ocean platforms and the like so as to maintain the normal operation of the equipment and the equipment. For corrosion protection and safety reasons, closed circulation is generally used to cool the equipment directly, the direct cooling medium is usually clean fresh water, and the heat of the fresh water is transferred to ambient air or cooling water by a heat exchanger. The traditional cooling system mainly comprises a water diversion port, a circulating pump, a heat exchanger, a discharge port, pipelines, accessories and the like. The cooling medium is pumped into the heat exchanger by the circulating pump through the water diversion port, and is discharged after heat exchange with the heat source medium (clean fresh water in the closed loop) in the heat exchanger.
All the devices of the traditional cooling system are uniformly distributed in the cabin, and occupy a large amount of cabin space. The cooling medium is guided into the cabin from the outboard through the water guide port, and is discharged out of the cabin through the discharge port after heat exchange is completed, so that the length of a system pipeline is increased, the flow resistance is increased, and the medium needs to be pressurized by a circulating pump to overcome the system resistance. The cooling system so configured is of greater weight and complexity, is detrimental to overall system weight and cabin space utilization, and will reduce the payload capacity for a given displacement. The forced circulation is carried out by adopting the circulating pump, so that the power consumption during the operation of the system is increased, and meanwhile, the vibration of the water pump is transmitted to the environment, so that noise pollution is caused to the cabin and the water area.
Disclosure of Invention
The embodiment of the application provides a ship self-flow cooling system based on a separated heat pipe, which aims at solving the problems that in the related art, the ship cooling system is arranged in a cabin, occupies a large amount of space, is required to be configured with an independent circulating pump, increases energy consumption and noise pollution, and is not beneficial to reducing the overall weight of a ship and improving the running economy, comfort and environmental protection.
The embodiment of the application provides a boats and ships cooling system that flows automatically based on disconnect-type heat pipe, includes:
the evaporator is positioned in the cabin and is close to the heating equipment or the bulkhead, a heat source medium inlet and a heat source medium outlet are formed in the evaporator, and the heat source medium enters the evaporator through the heat source medium inlet and is discharged through the heat source medium outlet after exchanging heat with a heat pipe working medium in the evaporator;
the condenser is positioned on the ship board outside the ship cabin and exchanges heat with the cooling medium outside the cabin, a heat pipe working medium inlet of the condenser is connected with the evaporator through a heat pipe working medium steam rising pipeline, and a heat pipe working medium outlet of the condenser enters the evaporator through a liquid condensing working medium return pipeline.
In some embodiments: the condenser consists of a heat exchange tube bundle, and an inlet end socket and an outlet end socket which are positioned at two ends of the heat exchange tube bundle, wherein the inlet end socket is communicated with a heat pipe working medium steam rising pipeline so as to enable gaseous heat pipe working medium to exchange heat with a cooling medium in the heat exchange tube bundle;
the outlet end socket is communicated with the liquid condensing working medium return pipeline so that the gaseous heat pipe working medium is condensed into liquid in the heat exchange tube bundle and flows out of the outlet end socket to enter the liquid condensing working medium return pipeline to return to the evaporator.
In some embodiments: the inlet seal head is positioned at the top of the heat exchange tube bundle, the outlet seal head is positioned at the bottom of the heat exchange tube bundle, and the heat exchange tube bundle is positioned between the inlet seal head and the outlet seal head and is arranged in the vertical direction.
In some embodiments: the condenser consists of a heat exchange shell, a heat exchange tube bundle, and an inlet end socket and an outlet end socket which are positioned at two ends of the heat exchange shell, wherein the heat exchange tube bundle is positioned in the heat exchange shell, and two ends of the heat exchange tube bundle are respectively communicated with the inlet end socket and the outlet end socket;
the heat pipe working medium inlet is positioned at the top of the heat exchange shell and is communicated with the heat pipe working medium steam rising pipeline so as to enable the gaseous heat pipe working medium to exchange heat with the cooling medium in the heat exchange tube bundle in the heat exchange shell;
the heat pipe working medium outlet is positioned at the bottom of the heat exchange shell and is communicated with the liquid condensing working medium return pipeline, so that gaseous heat pipe working medium flows out of the heat pipe working medium outlet and enters the liquid condensing working medium return pipeline to return to the evaporator after being condensed into liquid in the heat exchange shell.
In some embodiments: the height difference between the condenser and the evaporator is set so that the heat pipe working medium circularly flows in the condenser and the evaporator, and liquid absorption cores or pull grooves are arranged in the heat exchange tube bundle, the heat pipe working medium steam rising pipeline and the liquid condensing working medium return pipeline.
In some embodiments: a streamline self-flow housing covering the condenser is arranged on the ship board outside the ship cabin, and the streamline self-flow housing at least comprises:
the two side plates are connected to the outer wall of the ship board at intervals, the housing is connected to one ends of the two side plates, which are far away from the ship board, and the two side plates and the ship board are surrounded to form a cooling medium flow passage for cooling the condenser, and the cooling medium flow passage is in a streamline curved surface structure in the ship body navigation direction.
In some embodiments: the cooling medium flow channel is sequentially divided into an inflow cavity, a heat exchange cavity and an outflow cavity along the cooling medium flow direction, one ends of the inflow cavity and the outflow cavity, which are far away from the side plates, are respectively provided with a cooling medium inlet and a cooling medium outlet, and the cooling medium inlet is provided with a grid for filtering impurities;
at least one inlet guide plate is arranged in the inflow cavity, two guide cavities are formed in the direction vertical to the ship board through the inlet guide plate, and the cross section area of the guide cavity close to the ship board is gradually reduced in the direction close to the side plate;
the front part of the streamline self-flow housing is of an outwards-protruding arc structure, the rear part of the streamline self-flow housing is flat and is close to the surface of the ship board, the cooling medium inlet is oval, the long axis of the cooling medium inlet is perpendicular to the ship board, the area of the cooling medium inlet is smaller than that of the cooling medium outlet, and a plurality of outlet guide plates are arranged in the outflow cavity at intervals.
In some embodiments: buoyancy materials are filled in gaps among the inflow cavity, the condenser in the heat exchange cavity and the inner wall of the streamline self-flow housing, and the buoyancy materials enable cooling medium in the cooling medium flow passage to be fully and uniformly swept outwards through the condenser.
In some embodiments: the heat pipe working medium steam lifting pipeline and the liquid condensing working medium return pipeline penetrate through the ship board and are connected with the ship board in a sealing mode.
In some embodiments: the cooling medium is air or cooling water.
The beneficial effects that technical scheme that this application provided brought include:
the embodiment of the application provides a ship self-flow cooling system based on a separated heat pipe, because the ship self-flow cooling system is provided with an evaporator, the evaporator is positioned in a cabin and is close to heating equipment or a bulkhead, a heat source medium inlet and a heat source medium outlet are formed in the evaporator, and the heat source medium enters the evaporator through the heat source medium inlet and is discharged through the heat source medium outlet after heat exchange between the heat source medium and the heat pipe in the evaporator; and the condenser is positioned on the ship board outside the ship cabin and exchanges heat with the cooling medium outside the cabin, a heat pipe working medium inlet of the condenser is connected with the evaporator through a heat pipe working medium steam rising pipeline, and a heat pipe working medium outlet of the condenser enters the evaporator through a liquid condensing working medium return pipeline.
Therefore, the self-flow cooling system of the ship adopts a separated heat pipe technology, and the evaporator is arranged in the cabin, so that the space in the cabin is fully utilized; the condenser is arranged outside the ship, the structure of the condenser is optimized, the heat exchange capacity is improved, the flow resistance is reduced, the condenser is swept outwards by a cooling medium by utilizing the relative motion between the ship and the fluid outside the ship during navigation, and the heat pipe working medium is condensed. The characteristics of high heat conduction, temperature flattening and reversible heat flow direction of the heat pipe are utilized to maintain stable temperature of the cabin and equipment. The whole ship self-flow cooling system does not need pump self-flow operation, and a heat pipe working medium circulation loop is added to isolate an outboard cooling medium from a cabin heat source medium, so that the safety and reliability of the system are improved, and the ship self-flow cooling system is particularly suitable for special environments in the cabin or outside the cabin or at one side or two sides of the cabin, which are high-temperature, high-pressure, toxic, harmful and the like and do not allow medium leakage.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic structural diagram of an embodiment of the present application;
FIG. 2 is a cross-sectional view taken along the line A-A in FIG. 1;
FIG. 3 is a cross-sectional view taken along the direction B-B in FIG. 1;
FIG. 4 is a schematic structural view of a streamlined gravity flow housing according to an embodiment of the present application.
Reference numerals:
1. a ship board; 2. an evaporator; 3. a condenser; 4. a heat pipe working medium steam rising pipeline; 5. a liquid condensing working medium return pipeline; 6. a streamlined gravity flow housing; 7. a buoyancy material; 21. a heat source medium inlet; 22. a heat source medium outlet; 31. a heat exchange tube bundle; 32. an inlet end socket; 33. an outlet end socket; 51. a wick; 61. inflow into the cavity; 62. a heat exchange cavity; 63. an outflow lumen; 64. a cooling medium inlet; 65. a cooling medium outlet; 66. an inlet baffle; 67. an outlet baffle; 68. a side plate; 69. a housing; 8. and (5) a grille.
Detailed Description
For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present application based on the embodiments herein.
The embodiment of the application provides a ship self-flow cooling system based on a separated heat pipe, which can solve the problems that in the related art, the ship cooling system is arranged in a cabin, occupies a large amount of space, is required to be configured with an independent circulating pump, increases energy consumption and noise pollution, and is not beneficial to reducing the overall weight of a ship and improving the running economy, comfort and environmental protection.
Referring to fig. 1 to 3, an embodiment of the present application provides a self-flow cooling system for a ship based on a separate heat pipe, including:
and the evaporator 2 is positioned in the ship cabin and is close to the heating equipment or the wall of the cabin, and is made into a proper shape according to space conditions so as to save occupied space. A heat source medium inlet 21 and a heat source medium outlet 22 are arranged on the evaporator 2, and the heat source medium enters the evaporator 2 through the heat source medium inlet 21 and is discharged through the heat source medium outlet 22 after exchanging heat with the heat pipe working medium in the evaporator 2. The heat source medium comes from the heat generated in the working process of the equipment such as the cooling ship engine, the air conditioner, the electric equipment and the like, enters the evaporator 2 from the heat source medium inlet 21 of the evaporator 2, exchanges heat with the heat pipe working medium in the evaporator 2, and is discharged through the heat source medium outlet 22, thus circulating.
And the condenser 3 is positioned on the ship board 1 outside the ship cabin and exchanges heat with the cooling medium outside the cabin, a heat pipe working medium inlet of the condenser 3 is connected with the evaporator 2 through a heat pipe working medium steam lifting pipeline 4, and a heat pipe working medium outlet of the condenser 3 enters the evaporator 2 through a liquid condensing working medium return pipeline 5. The heat pipe working medium in the evaporator 2 absorbs heat and evaporates, and the gaseous heat pipe working medium is led out of the cabin through the ship board 1 by the heat pipe working medium steam rising pipeline 4 and enters the condenser 3. The gaseous heat pipe working medium transfers heat to the cooling medium in the condenser 3, and the gaseous heat pipe working medium is condensed into liquid state and then reenters the evaporator 2 in the cabin through the liquid condensing working medium return pipeline 5, so that the heat pipe working cycle for guiding out the heat is continuously completed.
The ship self-flow cooling system adopts a separated heat pipe technology, and the evaporator 2 is arranged in the cabin to fully utilize the space in the cabin; the condenser 3 is arranged outside the cabin, the structure of the condenser 3 is optimized, the heat exchange capacity is improved, the flow resistance is reduced, the condenser 3 is swept outwards by a cooling medium by utilizing the relative motion between the ship sailing and the outboard fluid, and the heat pipe working medium is condensed. The characteristics of high heat conduction, temperature flattening and reversible heat flow direction of the heat pipe are utilized to maintain stable temperature of the cabin and equipment.
According to the ship self-flow cooling system, pump self-flow operation is not needed, the heat pipe working medium steam rising pipeline 4 and the liquid condensing working medium return pipeline 5 penetrate through the ship board 1 and are in sealing connection with the ship board 1, the heat pipe working medium steam rising pipeline 4 and the liquid condensing working medium return pipeline 5 form a heat pipe working medium circulation loop to isolate an outboard cooling medium from a heat source medium in a cabin, the safety and the reliability of the system are improved, and the ship self-flow cooling system is particularly suitable for special environments in the cabin or outside the cabin, where medium leakage is not allowed due to high temperature, high pressure, toxicity, harm and the like on one side or two sides of the cabin.
According to the self-flow cooling system for the ship, natural circulation is realized by utilizing pressure difference generated by evaporation and condensation of the heat pipe working medium, heat is transferred to a target position, the cooling medium sweepout condenser 3 is realized by utilizing relative motion between the ship and outboard fluid during navigation, forced flow is not required to be driven by a pump source, and a vibration noise source is eliminated, so that energy conservation and noise reduction are realized. The evaporator 2 and the condenser 3 are arranged separately, a heat pipe working medium closed circulation loop is added to isolate an outboard cooling medium from a heat source medium in the cabin, even if leakage occurs on one side of the pipe wall, direct mixing of cold and hot mediums can not be caused, and compared with a common dividing wall type heat exchanger, the safety and reliability are greatly improved.
The self-flow cooling system for the ship is flexible in arrangement, fully utilizes the characteristic of good heat pipe environment adaptability, can be respectively designed into special shapes according to the heat source user and the cold source environment characteristic, is suitable for variable working conditions and complex space structures, and can be arranged in groups according to requirements. The configuration of the self-flow cooling system of the ship is extremely simplified, a circulating pump, a cooling water pipeline and accessories are omitted, and the weight of the system is reduced; the condenser 3 is arranged outside the cabin, so that cabin space is saved, and effective load is arranged in the cabin; and the device has no rotating parts such as a pump source and the like, and effectively reduces the possibility of faults.
In some alternative embodiments: referring to fig. 1 and 3, the embodiment of the application provides a self-flow cooling system of a ship based on a separated heat pipe, wherein a condenser 3 of the self-flow cooling system of the ship consists of a heat exchange tube bundle 31, and an inlet end enclosure 32 and an outlet end enclosure 33 which are positioned at two ends of the heat exchange tube bundle, and the inlet end enclosure 32 is communicated with a heat pipe working medium steam rising pipeline 4 so as to enable a gaseous heat pipe working medium to exchange heat with a cooling medium in the heat exchange tube bundle 31. The outlet end socket 33 is communicated with the liquid condensing working medium return pipeline 5, so that the gaseous heat pipe working medium is condensed into liquid in the heat exchange tube bundle 31 and then flows out of the outlet end socket 33 to enter the liquid condensing working medium return pipeline 5 to return to the evaporator 2.
The inlet seal head 32 is positioned at the top of the heat exchange tube bundle 31, the outlet seal head 33 is positioned at the bottom of the heat exchange tube bundle 31, and the heat exchange tube bundle 31 is positioned between the inlet seal head 32 and the outlet seal head 33 and is arranged in a vertical direction. The heat pipe working medium can eliminate the outer shell of the condenser 3 when flowing in the heat exchange tube bundle 31, thereby reducing the weight of the equipment. The heat pipe working medium enters the heat exchange tube bundle 31 through the inlet end enclosure 32, and is converged into the outlet end enclosure 33 after heat exchange condensation is completed in the heat exchange tube bundle 31, so that natural circulation is formed by utilizing density difference caused by medium along with temperature change, the resistance in the pipe is reduced, the heat exchange efficiency is improved, and the inlet end enclosure 32 of the condenser 3 is arranged above and the outlet end enclosure 33 is arranged below.
The height difference between the condenser 3 and the evaporator 2 is set, that is, the installation height of the condenser 3 is higher than the installation height of the evaporator 2, so that the heat pipe working medium does not need a pressure pump to automatically circulate in the condenser 3 and the evaporator 2. The heat exchange tube bundle 31, the heat pipe working medium steam rising pipeline 4 and the liquid condensing working medium return pipeline 5 are respectively internally provided with a liquid suction core 51 or a pull groove, the liquid suction core 51 is used as a capillary pump, and the heat pipe working medium is sent back to the evaporator 2 from the condenser 3 by utilizing the surface tension of liquid.
In some alternative embodiments: the embodiment of the application provides a boats and ships cooling system that flows automatically based on disconnect-type heat pipe, this boats and ships cooling system that flows automatically's condenser 3 comprises heat transfer casing (not shown in the figure), heat transfer tube bank 31 and the import head 32 and the export head 33 that are located heat transfer casing both ends, and heat transfer tube bank 31 is located the heat transfer casing, and the both ends of heat transfer tube bank 31 communicate with import head 32 and export head 33 respectively.
The heat pipe working medium inlet of the condenser 3 is positioned at the top of the heat exchange shell and is communicated with the heat pipe working medium steam rising pipeline 4 so as to enable the gaseous heat pipe working medium to exchange heat with the cooling medium in the heat exchange tube bundle 31 in the heat exchange shell. The heat pipe working medium outlet is positioned at the bottom of the heat exchange shell and is communicated with the liquid condensing working medium return pipeline 5, so that gaseous heat pipe working medium flows out of the heat pipe working medium outlet and enters the liquid condensing working medium return pipeline 5 to return to the evaporator 2 after being condensed into liquid in the heat exchange shell.
In the embodiment of the application, the heat pipe working medium inlet and the heat pipe working medium outlet of the condenser 3 are both arranged on the heat exchange shell, and the heat pipe working medium enters the heat exchange shell to exchange heat with the heat exchange tube bundle 31. The heat exchange tube bundle 31 of the condenser 3 is used for circulating cooling medium, the cooling medium outside the ship board 1 is filled into the heat exchange tube bundle 31 from the inlet end enclosure 32 to exchange heat with the heat pipe working medium in the heat exchange shell, and the cooling medium in the heat exchange tube bundle 31 flows out from the outlet end enclosure 33 after completing heat exchange with the heat pipe working medium in the heat exchange shell, so that the heat exchange of the heat pipe working medium in the heat exchange shell is circulated. The cooling medium can be air and cooling water, and the cooling water can be seawater or fresh water directly.
In some alternative embodiments: referring to fig. 4, the embodiment of the present application provides a split heat pipe-based self-flow cooling system for a ship, wherein a streamlined self-flow housing 6 covering a condenser 3 is provided on a ship side outside a cabin of the self-flow cooling system for the ship, and the streamlined self-flow housing 6 at least comprises: the two side plates 68, the two side plates 68 are connected to the outer wall of the ship board 1 at intervals, the cover 69 is connected to one end of the two side plates 68 far away from the ship board 1, the cover 69, the side plates 68 and the ship board 1 enclose together to form a cooling medium flow passage for cooling the condenser 3, and the streamline self-flow cover 6 is of a streamline curved surface structure in the ship body navigation direction.
The cooling medium flow passage is divided into an inflow chamber 61, a heat exchange chamber 62 and an outflow chamber 63 in order along the cooling medium flow direction, the inflow chamber 61 and the outflow chamber 63 are provided with a cooling medium inlet 64 and a cooling medium outlet 65, respectively, at the ends of the side plates 68 far away from the inflow chamber 61 and the outflow chamber 63, and a grid 8 for filtering impurities is provided in the cooling medium inlet 64.
At least one inlet baffle 66 is disposed in the inflow cavity 61, two baffle cavities are formed by the inlet baffle 66 in the direction perpendicular to the ship board 1, and the baffle cavities near the ship board 1 gradually decrease in cross-sectional area in the direction approaching the side plate 68.
The cover 69 is in a streamline shape with a curved surface in the sailing direction of the ship body, so that the resistance generated between the streamline self-flow cover 6 and the water flow outside the ship board 1 is effectively reduced, and the end of the cover 69 extends to the outer sides of the side plates 68 and is surrounded with the cooling medium inlet 64 and the cooling medium outlet 65, so that the inflow cavity 61 and the outflow cavity 63 are respectively formed at the two sides of the side plates 68.
Further, a plurality of inlet baffle plates 66 are provided in the inflow chamber 61, and the plurality of inlet baffle plates 66 are sequentially arranged in a direction perpendicular to the ship side 1, thereby forming a plurality of baffle chambers in a direction away from the ship side 1. It should be noted that the inlet baffle 66 is bent and arranged gradually closer to the side plate 68 in the direction approaching the side plate 68, so that the cross-sectional area of the baffle cavity on the side approaching the side plate 68 can be gradually reduced. And the bending degree of each inlet guide plate 66 is satisfied, and the cross section area of each guide cavity near the ship board 1 is the smallest under the same cross section near the side plate 68.
Furthermore, due to the arrangement of the diversion cavity, when the inner low-speed water flow close to the ship board 1 enters the heat exchange cavity 62 between the two side plates 68, the inner low-speed water flow close to the ship board 1 and the outer high-speed water flow far away from the ship board 1 can be effectively accelerated, the situation that the heat exchange effect is affected due to the fact that the inner water flow close to the ship board 1 always enters the heat exchange cavity 62 at a speed far slower than that of the outer water flow is avoided. Finally, the flow velocity of the water flow entering the heat exchange cavity 62 is more uniform, the heat pipe working medium flowing into the heat exchange cavity 62 is more uniformly cooled, and the cooling effect on the heat source medium is improved.
In addition, the cross-sectional area of the cooling medium outlet 65 is larger than that of the cooling medium inlet 64, and the cross-sectional area of the cooling medium outlet 65 is 2 times that of the cooling medium inlet 64 in this embodiment, so that the kinetic energy of the fluid is recovered to the pressure energy, which is beneficial to the fluid discharge and the external fluid backflow is avoided. And be provided with export guide plate 67 in outflow chamber 63, export guide plate 67 perpendicular to shipboard 1, and then avoid producing inside vortex in outflow chamber 63, can improve streamlined self-flow housing 6 front and back both ends rivers's passing speed, promote streamlined self-flow housing 6 to the heat exchange efficiency who flows to its inner heat pipe working medium.
The front part of the streamline self-flowing housing 6 is of an arc-shaped structure protruding outwards, and the rear part is flat and is close to the surface of the ship board 1. The cooling medium inlet 64 is elliptical, and the long axis of the cooling medium inlet is perpendicular to the ship board 1, so that the cooling medium inlet 64 can fully utilize the dynamic pressure head of the outer high-speed water flow layer far away from the ship board 1, and the overall water flow rate entering the heat exchange cavity 62 can be improved.
Principle of operation
The embodiment of the application provides a ship self-flow cooling system based on a separated heat pipe, because the ship self-flow cooling system is provided with an evaporator 2, the evaporator 2 is positioned in a ship cabin and is close to heating equipment or a bulkhead, a heat source medium inlet 21 and a heat source medium outlet 22 are arranged on the evaporator 2, and heat source medium enters the evaporator 2 through the heat source medium inlet 21 and is discharged through the heat source medium outlet 22 after heat exchange between the heat source medium and a heat pipe working medium in the evaporator 2; and the condenser 3 is positioned on the ship board 1 outside the ship cabin and exchanges heat with the cooling medium outside the cabin, a heat pipe working medium inlet of the condenser 3 is connected with the evaporator 2 through a heat pipe working medium steam lifting pipeline 4, and a heat pipe working medium outlet of the condenser 3 enters the evaporator 2 through a liquid condensing working medium return pipeline 5.
Therefore, the self-flow cooling system of the ship adopts a separated heat pipe technology, the evaporator 2 is arranged in the cabin, and the space in the cabin is fully utilized; the condenser 3 is arranged outside the ship, the structure of the condenser 3 is optimized, the heat exchange capacity is improved, the flow resistance is reduced, the condenser 3 is swept outwards by a cooling medium by utilizing the relative motion between the ship and the fluid outside the ship during navigation, and the heat pipe working medium is condensed. The characteristics of high heat conduction, temperature flattening and reversible heat flow direction of the heat pipe are utilized to maintain stable temperature of the cabin and equipment. The whole ship self-flow cooling system does not need pump self-flow operation, and a heat pipe working medium circulation loop is added to isolate an outboard cooling medium from a cabin heat source medium, so that the safety and reliability of the system are improved, and the ship self-flow cooling system is particularly suitable for special environments in the cabin or outside the cabin or at one side or two sides of the cabin, which are high-temperature, high-pressure, toxic, harmful and the like and do not allow medium leakage.
In the description of the present application, it should be noted that the azimuth or positional relationship indicated by the terms "upper", "lower", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of description of the present application and simplification of the description, and are not indicative or implying that the apparatus or element in question must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present application. Unless specifically stated or limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.
It should be noted that in this application, relational terms such as "first" and "second" and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The foregoing is merely a specific embodiment of the application to enable one skilled in the art to understand or practice the application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (5)
1. A split heat pipe based self-flow cooling system for a vessel, comprising:
the evaporator (2) is positioned in the cabin and is close to heating equipment or a wall of the cabin, a heat source medium inlet (21) and a heat source medium outlet (22) are formed in the evaporator (2), and the heat source medium enters the evaporator (2) through the heat source medium inlet (21) and exchanges heat with a heat pipe working medium in the evaporator (2) and is discharged through the heat source medium outlet (22);
the condenser (3) is positioned on a ship board (1) outside the ship cabin and exchanges heat with a cooling medium outside the cabin, a heat pipe working medium inlet of the condenser (3) is connected with the evaporator (2) through a heat pipe working medium steam rising pipeline (4), and a heat pipe working medium outlet of the condenser (3) enters the evaporator (2) through a liquid condensing working medium return pipeline (5);
the condenser (3) consists of a heat exchange tube bundle (31) and an inlet end enclosure (32) and an outlet end enclosure (33) which are positioned at two ends of the heat exchange tube bundle (31), wherein the inlet end enclosure (32) is communicated with a heat pipe working medium steam rising pipeline (4) so as to enable gaseous heat pipe working medium to exchange heat with cooling medium in the heat exchange tube bundle (31), the outlet end enclosure (33) is communicated with a liquid condensing working medium return pipeline (5) so as to enable the gaseous heat pipe working medium to flow out from the outlet end enclosure (33) into the liquid condensing working medium return pipeline (5) to return to the evaporator (2) after being condensed into a liquid state in the heat exchange tube bundle (31), the inlet end enclosure (32) is positioned at the top of the heat exchange tube bundle (31), the outlet end enclosure (33) is positioned at the bottom of the heat exchange tube bundle (31), and the heat exchange tube bundle (31) is positioned between the inlet end enclosure (32) and the outlet end enclosure (33) and is arranged in a vertical direction;
or alternatively, the first and second heat exchangers may be,
the condenser (3) consists of a heat exchange shell, a heat exchange tube bundle (31) and an inlet end socket (32) and an outlet end socket (33) which are positioned at two ends of the heat exchange shell, the heat exchange tube bundle (31) is positioned in the heat exchange shell, two ends of the heat exchange tube bundle (31) are respectively communicated with the inlet end socket (32) and the outlet end socket (33), a heat pipe working medium inlet is positioned at the top of the heat exchange shell and is communicated with a heat pipe working medium steam rising pipeline (4) so as to enable gaseous heat pipe working medium to exchange heat with cooling medium in the heat exchange tube bundle (31) in the heat exchange shell, and a heat pipe working medium outlet is positioned at the bottom of the heat exchange shell and is communicated with a liquid condensing working medium return pipeline (5) so as to enable the gaseous heat pipe working medium to flow out from the heat pipe working medium outlet to enter the liquid condensing working medium return pipeline (5) to return to the evaporator (2) after being condensed into liquid in the heat exchange shell; a streamline self-flow cover shell (6) for covering the condenser (3) is arranged on the ship board (1) outside the ship cabin, and the streamline self-flow cover shell (6) at least comprises: the two side plates (68) are connected to the outer wall of the ship board (1) at intervals, the cover shell (69) is connected to one end, far away from the ship board (1), of the two side plates (68), a cooling medium flow channel for cooling the condenser (3) is formed by surrounding the side plates (68) and the ship board (1), and the cooling medium flow channel is of a streamline curved surface structure in the ship body navigation direction;
the cooling medium flow channel is sequentially divided into an inflow cavity (61), a heat exchange cavity (62) and an outflow cavity (63) along the cooling medium flow direction, one ends of the inflow cavity (61) and the outflow cavity (63) which are far away from the side plates (68) are respectively provided with a cooling medium inlet (64) and a cooling medium outlet (65), and the cooling medium inlet (64) is provided with a grid (8) for filtering impurities;
at least one inlet guide plate (66) is arranged in the inflow cavity (61), two guide cavities are formed in the direction vertical to the ship board (1) through the inlet guide plate (66), and the cross section area of the guide cavity close to the ship board (1) is gradually reduced in the direction close to the side plate (68);
the front part of the streamline self-flow housing (6) is of an outwards-protruding arc structure, the rear part of the streamline self-flow housing is flat and is close to the surface of the ship board (1), the cooling medium inlet (64) is oval, the long axis of the cooling medium inlet is perpendicular to the ship board (1), the area of the cooling medium inlet (64) is smaller than that of the cooling medium outlet (65), a plurality of outlet guide plates (67) arranged at intervals are arranged in the outflow cavity (63), and the outlet guide plates (67) are perpendicular to the ship board (1).
2. A split heat pipe based self-flow cooling system for a vessel as claimed in claim 1, wherein:
the condenser (3) and the evaporator (2) are arranged in a height difference mode, so that heat pipe working media circularly flow in the condenser (3) and the evaporator (2), and liquid absorption cores (51) or pull grooves are arranged in the heat exchange tube bundles (31), the heat pipe working media steam rising pipelines (4) and the liquid condensing working media return pipelines (5).
3. A split heat pipe based self-flow cooling system for a vessel as claimed in claim 1, wherein:
buoyancy materials (7) are filled in gaps between the condenser (3) in the inflow cavity (61) and the heat exchange cavity (62) and the inner wall of the streamline self-flow housing (6), and the buoyancy materials (7) enable cooling medium in the cooling medium flow passage to be sufficiently and uniformly swept outwards through the condenser (3).
4. A split heat pipe based self-flow cooling system for a vessel as claimed in claim 1, wherein:
the heat pipe working medium steam rising pipeline (4) and the liquid condensing working medium return pipeline (5) penetrate through the ship board (1) and are connected with the ship board (1) in a sealing mode.
5. A split heat pipe based self-flow cooling system for a vessel as claimed in claim 1, wherein:
the cooling medium is air or cooling water.
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| CN202210238464.0A CN114701636B (en) | 2022-03-11 | 2022-03-11 | Ship self-flow cooling system based on separated heat pipes |
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Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101245971B (en) * | 2007-04-10 | 2010-12-08 | 马永锡 | Enclosed cavity type heat exchanger |
| CN201255596Y (en) * | 2008-08-11 | 2009-06-10 | 丹腾空气系统(苏州)有限公司 | Isolation type hot pipe heat exchanger |
| KR20110097745A (en) * | 2011-07-20 | 2011-08-31 | 임효진 | Cooling system of low temperature boiling with lower-height/side positioned condenser compare to evaporator |
| CN104180697B (en) * | 2014-07-16 | 2016-03-02 | 江苏南通申通机械有限公司 | The special heat-pipe apparatus of a kind of boats and ships |
| CN204775976U (en) * | 2014-12-30 | 2015-11-18 | 徐俏 | Special outboard installation heat pipe of ocean drill ship |
| CN206785788U (en) * | 2017-05-03 | 2017-12-22 | 太仓市东林农场专业合作社 | The oil piping system that a kind of cooler is placed in outside ship side |
| JP7035774B2 (en) * | 2018-04-27 | 2022-03-15 | 株式会社デンソー | Cooling system |
| CN209485102U (en) * | 2018-07-24 | 2019-10-11 | 中国船舶重工集团公司第七一九研究所 | A kind of drain cooler peculiar to vessel |
| CN210734472U (en) * | 2019-06-28 | 2020-06-12 | 中国船舶重工集团公司第七一九研究所 | Gravity flow cooling water system with water inlet arranged on stabilizer fin |
| US11820473B2 (en) * | 2020-02-27 | 2023-11-21 | Ockerman Automation Consulting, Inc. | Hull thermal management system |
| CN112357042B (en) * | 2020-10-28 | 2023-11-10 | 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) | Outboard cooling heat exchange system of ship power equipment |
| CN112357037A (en) * | 2020-10-28 | 2021-02-12 | 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) | Self-flowing heat exchange system and ship |
| CN112339966B (en) * | 2020-10-28 | 2022-04-19 | 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) | Self-flowing outboard cooler and ship cooling system |
| CN112357035B (en) * | 2020-10-28 | 2022-03-25 | 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) | Ship outboard conformal cooler and ship cooling system |
| CN112357036B (en) * | 2020-10-28 | 2022-04-12 | 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) | Ship outboard conformal cooler and ship cooling system |
| CN112373668B (en) * | 2020-11-17 | 2021-10-29 | 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) | Cooperative control method and system for ship self-flow cooling system and power system |
| CN113928520B (en) * | 2021-09-27 | 2022-08-05 | 中国人民解放军92578部队 | Closed air mute cooling system of underwater vehicle |
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