CN108775828B - Superconducting heat exchange unit, device and system thereof - Google Patents
Superconducting heat exchange unit, device and system thereof Download PDFInfo
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- CN108775828B CN108775828B CN201810776371.7A CN201810776371A CN108775828B CN 108775828 B CN108775828 B CN 108775828B CN 201810776371 A CN201810776371 A CN 201810776371A CN 108775828 B CN108775828 B CN 108775828B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 105
- 239000012530 fluid Substances 0.000 claims description 8
- 239000012782 phase change material Substances 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 2
- 239000007788 liquid Substances 0.000 description 7
- 239000007789 gas Substances 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 235000013305 food Nutrition 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000005272 metallurgy Methods 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000012074 organic phase Substances 0.000 description 1
- 238000012536 packaging technology Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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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
- F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
- F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
-
- 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
- F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
- F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
- F28D2015/0225—Microheat pipes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2250/00—Arrangements for modifying the flow of the heat exchange media, e.g. flow guiding means; Particular flow patterns
- F28F2250/08—Fluid driving means, e.g. pumps, fans
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention relates to the technical field of heat exchange, in particular to a superconducting heat exchange unit, and a device and a system thereof. The superconducting heat exchange unit comprises a water inlet pipeline of the superconducting unit, a water outlet pipeline of the superconducting unit and a plurality of heat exchange modules; the heat exchange module comprises heat exchange fins and heat exchange tubes connected with the heat exchange fins; the heat exchange fin adopts a micro-heat tube array plate; each heat exchange tube is communicated with a water inlet pipeline of the superconducting unit and a water outlet pipeline of the superconducting unit, and the heat exchange tubes are sequentially arranged at intervals along the extending direction of the water inlet pipeline of the superconducting unit; the heat exchange fins are sequentially arranged at intervals along the extending direction of the water inlet pipeline of the superconducting unit. The superconducting heat exchange device and the system thereof comprise a superconducting heat exchange unit. The invention aims to provide a superconducting heat exchange unit, a device and a system thereof, which are used for solving the technical problem of low heat exchange efficiency in the prior art.
Description
Technical Field
The invention relates to the technical field of heat exchange, in particular to a superconducting heat exchange unit, and a device and a system thereof.
Background
The heat exchanger is also called as heat exchanger, is an energy-saving equipment for transferring heat between two or more fluids with different temperatures, and is one of main equipment for transferring heat from fluid with higher temperature to fluid with lower temperature, so that the temperature of fluid can reach the index regulated by the flow, and the requirement of technological condition can be met, and at the same time, the energy utilization rate can be improved. The heat exchanger industry relates to more than 30 industries such as heating ventilation, pressure vessels, medium water treatment equipment, chemical industry, petroleum, steel, metallurgy, electric power, ships, refrigeration air conditioners, foods, pharmacy and the like, and form an industrial chain.
The heat exchange unit is one of the important parts of the heat exchanger. The heat exchange performance of the heat exchange unit directly leads to the heat exchange efficiency of the heat exchanger. However, the heat exchange efficiency of the existing heat exchange unit is generally not high.
Therefore, the application provides a novel superconducting heat exchange unit, a device and a system thereof for improving heat exchange efficiency.
Disclosure of Invention
The invention aims to provide a superconducting heat exchange unit so as to solve the technical problem of low heat exchange efficiency in the prior art.
The invention also aims to provide the superconducting heat exchange device so as to solve the technical problem of low heat exchange efficiency in the prior art.
The invention also aims to provide a superconducting heat exchange system so as to solve the technical problem of low heat exchange efficiency in the prior art.
Based on the above purpose, the superconducting heat exchange unit provided by the invention comprises a superconducting unit water inlet pipeline, a superconducting unit water outlet pipeline and a plurality of heat exchange modules;
The heat exchange module comprises heat exchange fins and heat exchange tubes connected with the heat exchange fins; the heat exchange fin adopts a micro-heat tube array plate;
Each heat exchange tube is communicated with the water inlet pipeline of the superconducting unit and the water outlet pipeline of the superconducting unit, and a plurality of heat exchange tubes are sequentially arranged at intervals along the extending direction of the water inlet pipeline of the superconducting unit;
The heat exchange fins are sequentially arranged at intervals along the extending direction of the water inlet pipeline of the superconducting unit.
The heat exchange fin comprises a first fin part and a second fin part; the first fin part is connected with the second fin part in a sealing way;
A fin heat pipe main channel is arranged between the first fin part and the second fin part; the heat exchange tube is positioned in the main channel of the fin heat pipe.
The invention adopts the optional technical scheme that a plurality of fin branch channels which are parallel to each other are arranged between the first fin part and the second fin part;
The fin branch channels are communicated with the fin heat pipe main channels, and a plurality of fin branch channels are sequentially arranged at intervals along the extending direction of the fin heat pipe main channels.
The invention adopts the optional technical proposal that heat conducting media are arranged in the main channels and the branch channels of the fin heat pipe;
the heat conducting medium adopts a phase change material.
According to the alternative technical scheme, one end of each heat exchange fin is connected with each heat exchange tube, and a plurality of heat exchange fins are arranged on the same side of the heat exchange tubes;
the water inlet pipeline of the superconducting unit is parallel to the water outlet pipeline of the superconducting unit;
And a plurality of heat exchange fins are arranged in parallel.
Based on the above purpose, the superconducting heat exchange device provided by the invention comprises a device water inlet pipeline, a device water outlet pipeline and a plurality of superconducting heat exchange units;
The device water inlet pipeline is communicated with a superconductive unit water inlet pipeline of the superconductive heat exchange unit;
The water outlet pipeline of the device is communicated with the water outlet pipeline of the superconducting unit of the superconducting heat exchange unit.
The water inlet pipeline of the superconducting unit and the water outlet pipeline of the superconducting unit are respectively and fixedly connected with the water inlet pipeline of the device;
one end of the superconducting unit water inlet pipeline, which is close to the device water inlet pipeline, is communicated with the device water inlet pipeline;
one end of the water outlet pipeline of the superconducting unit, which is far away from the water inlet pipeline of the device, is communicated with the water outlet pipeline of the device;
the superconducting heat exchange units are arranged in two groups; each group of superconducting heat exchange units comprises at least one superconducting heat exchange unit which is sequentially arranged along the extending direction of a water inlet pipeline of the device;
The two groups of superconducting heat exchange units form an included angle, and the two groups of superconducting heat exchange units are symmetrically arranged on two sides of a water inlet pipeline of the device.
The invention adopts an alternative technical scheme that a plurality of superconducting heat exchange units are arranged in rows and columns in sequence.
Based on the above purpose, the superconducting heat exchange system provided by the invention comprises a tower body and a superconducting heat exchange device;
at least one superconducting heat exchange device is fixedly arranged in the tower body;
the tower body comprises a tower body discharge end and a tower body discharge end; the shell fluid can flow through the gaps of the heat exchange fins of the superconducting heat exchange device from the tower body discharge end and is discharged from the tower body discharge end.
Based on the above purpose, the superconducting heat exchange system provided by the invention comprises a fan and a superconducting heat exchange device;
the number of the superconducting heat exchange devices is at least one;
The bottom of each superconducting heat exchange device is correspondingly provided with the fan; the fan is used for enabling air to flow through gaps of the heat exchange fins of the superconducting heat exchange device.
The invention has the beneficial effects that:
The invention provides a superconducting heat exchange unit, which comprises a water inlet pipeline of the superconducting unit, a water outlet pipeline of the superconducting unit and a plurality of heat exchange modules comprising heat exchange fins and heat exchange tubes; the medium in the water inlet pipeline of the superconducting unit flows through the heat exchange pipe and then flows to the water outlet pipeline of the superconducting unit, and the micro-heat pipe array plate is adopted by the heat exchange fin, so that the heat energy of the medium in the heat exchange pipe is rapidly transferred to the heat exchange fin; the heat exchange fins are sequentially arranged at intervals along the extending direction of the water inlet pipeline of the superconducting unit, so that heat can be transferred to the heat exchange fins through the pipe outer medium flowing through gaps between the heat exchange fins, namely, heat exchange is carried out between the pipe inner medium and the pipe outer medium through the heat exchange fins, the heat exchange efficiency is high, and the technical problem of low heat exchange efficiency in the prior art is solved.
According to the superconducting heat exchange device and the superconducting heat exchange system, the medium in the water inlet pipeline of the device sequentially passes through the water inlet pipeline of the superconducting unit, the heat exchange pipe and the water outlet pipeline of the superconducting unit and flows to the water outlet pipeline of the device, and heat energy of the medium in the pipe in the heat exchange pipe is rapidly transferred to the heat exchange fins, so that heat can be transferred to the heat exchange fins through the medium outside the pipe, namely, the medium in the pipe and the medium outside the pipe exchange heat through the heat exchange fins, the heat exchange efficiency is high, and the technical problem of low heat exchange efficiency in the prior art is solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic view of a first angle structure of a superconducting heat exchange unit according to a first embodiment of the present invention;
fig. 2 is a schematic view of a second angle structure of a superconducting heat exchange unit according to a first embodiment of the present invention;
FIG. 3 is a left side view of the superconducting heat exchange unit shown in FIG. 2;
FIG. 4 is a partial cross-sectional view of a heat exchange fin of a superconducting heat exchange unit according to a first embodiment of the present invention;
fig. 5 is a schematic view of a first angle structure of a superconducting heat exchange device according to a second embodiment of the present invention;
FIG. 6 is a simplified view of the superconducting heat exchange device of FIG. 5 (heat exchange fins not shown);
Fig. 7 is a schematic view of a second angle structure of a superconducting heat exchange device according to a second embodiment of the present invention;
fig. 8 is a schematic structural diagram of a superconducting heat exchange system according to a third embodiment of the present invention;
fig. 9 is another schematic structural diagram of a superconducting heat exchange system according to a third embodiment of the present invention.
Icon: 100-superconducting heat exchange unit; 110-a superconducting unit water inlet pipeline; 120-a water outlet pipeline of the superconducting unit; 130-a heat exchange module; 131-heat exchange fins; 1311-first fin portions; 1312-second fin portions; 1313-fin heat pipe primary channels; 1314-fin branch channels; 132-heat exchange tubes; 200-superconducting heat exchange device; 210-device water inlet pipeline; 300-tower body.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; 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 above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Example 1
Referring to fig. 1-4, the present embodiment provides a superconducting heat exchange unit; fig. 1 is a perspective view of a superconducting heat exchange unit provided in the present embodiment; fig. 2 is a front view of the superconducting heat exchange unit provided in the present embodiment; FIG. 3 is a left side view of the superconducting heat exchange unit shown in FIG. 2; for more clear illustration of the structure, fig. 4 is a partial cross-sectional view of the heat exchanging fins of the superconducting heat exchanging unit;
The superconductive heat exchange unit provided by the embodiment can be used in the fields of heating ventilation, pressure vessels, reclaimed water treatment equipment, chemical industry, petroleum, steel, metallurgy, electric power, ships, refrigeration air conditioners, foods, pharmacy and the like; the heat exchanger can be used for heat exchange equipment such as air cooling towers, air preheaters, flue gas heat exchangers and the like, and can be used for heat exchange of liquid and liquid, liquid and gas, gas and liquid and other mediums.
Referring to fig. 1 to 4, the superconducting heat exchange unit includes a superconducting unit water inlet pipeline 110, a superconducting unit water outlet pipeline 120, and a plurality of heat exchange modules 130;
The heat exchange module 130 includes heat exchange fins 131 and heat exchange tubes 132 connected to the heat exchange fins 131; the heat exchanging fin 131 adopts a micro-heat tube array plate;
Each heat exchange tube 132 is communicated with the superconducting unit water inlet pipeline 110 and the superconducting unit water outlet pipeline 120, and the plurality of heat exchange tubes 132 are sequentially arranged at intervals along the extending direction of the superconducting unit water inlet pipeline 110; i.e. adjacent heat exchanging fins 131, have a gap therebetween, which may be used for circulating a medium such as a liquid or a gas.
The plurality of heat exchanging fins 131 are sequentially spaced apart along the extension direction of the superconducting unit water inlet pipeline 110.
The superconducting heat exchange unit in this embodiment includes a water inlet pipeline 110 of the superconducting unit, a water outlet pipeline 120 of the superconducting unit, and a plurality of heat exchange modules 130 including heat exchange fins 131 and heat exchange tubes 132; the medium in the pipe of the superconducting unit water inlet pipeline 110 flows through the heat exchange pipe 132 and then flows to the superconducting unit water outlet pipeline 120, and the micro-heat pipe array plate is adopted by the heat exchange fin 131, so that the heat energy of the medium in the pipe in the heat exchange pipe 132 is rapidly transferred to the heat exchange fin 131; the plurality of heat exchange fins 131 are sequentially arranged at intervals along the extending direction of the superconducting unit water inlet pipeline 110, so that the heat can be transferred to the heat exchange fins 131 through the pipe outer medium flowing through gaps between the heat exchange fins 131, namely, the heat exchange is carried out between the pipe inner medium and the pipe outer medium through the heat exchange fins 131, the heat exchange efficiency is high, and the technical problem of low heat exchange efficiency in the prior art is solved.
Wherein, the medium in the tube can be liquid or gas, and the medium outside the tube can be liquid or gas; the temperature of the medium inside the tube may be higher or lower than the temperature of the medium outside the tube.
The micro-heat pipe array plate adopts the micro-heat pipe array technology, is a heat-conducting pipe element with super heat conducting capacity, and ensures that the heat conducting efficiency of the micro-heat pipe array plate is thousands times higher than that of the optimal heat conducting body made of the same material by virtue of the flow and phase change of an internal working medium. The micro heat pipe array technology is a comprehensive application technology of combining basic theory such as complex flow under high pressure in micro scale of micro scale heat transfer mass transfer and phase change heat transfer mass transfer and material and processing and packaging technology.
Referring to fig. 1 to 3, in the alternative of the present embodiment, one end of the heat exchanging fin 131 is connected to the heat exchanging tube 132, and the plurality of heat exchanging fins 131 are disposed on the same side of the plurality of heat exchanging tubes 132; so that the superconductive heat exchange unit is arranged in a modularized manner.
Optionally, superconducting element water inlet line 110 is parallel to superconducting element water outlet line 120; the structure of the superconducting heat exchange unit is simplified, and the superconducting heat exchange unit is convenient to modularize.
Optionally, a plurality of heat exchanging fins 131 are arranged in parallel; the structure of the superconducting heat exchange unit is simplified, and the superconducting heat exchange unit is convenient to modularize.
In an alternative scheme of this embodiment, the heat exchange fin 131 may be a single plate fin, and the heat exchange tube 132 is fixedly connected with one end of the single plate fin; the heat exchanging fin 131 may also be a double plate fin, and the structural strength of the heat exchanging fin 131 may be increased by using the double plate fin.
Referring to fig. 4, the heat exchange fin 131 may optionally include a first fin portion 1311 and a second fin portion 1312; the first fin 1311 and the second fin 1312 are connected in a sealed manner; optionally, an edge of the first fin portion 1311 is sealingly connected to an edge of the second fin portion 1312.
A fin heat pipe main channel 1313 is provided between the first fin portion 1311 and the second fin portion 1312; the heat exchange tubes 132 are located inside the fin heat tube main channels 1313. The structural strength of the heat exchange fin 131 is enhanced by the first fin portion 1311 and the second fin portion 1312, and the heat exchange tube 132 is accommodated by the fin heat pipe main channel 1313 so that the heat exchange tube 132 is better fixed between the first fin portion 1311 and the second fin portion 1312. Optionally, a heat conducting medium is disposed in the fin heat pipe main channel 1313; the heat exchange capacity between the heat exchange tube 132 and the first fin 1311 and the second fin 1312 is improved by the heat transfer medium.
Optionally, a plurality of fin branch channels 1314 parallel to each other are provided between the first fin portion 1311 and the second fin portion 1312; the fin branch channels 1314 are provided to increase the surface areas of the first fin portion 1311 and the second fin portion 1312, that is, to increase the contact area between the heat exchange fin 131 and the tube external medium flowing through the gaps between the heat exchange fins 131, so as to further increase the heat exchange capability of the heat exchange fins 131.
Optionally, the fin sub-channels 1314 are in communication with the fin heat pipe main channel 1313, and the plurality of fin sub-channels 1314 are sequentially spaced apart along the extending direction of the fin heat pipe main channel 1313.
Optionally, a heat conducting medium is disposed in the fin branch channels 1314; the heat transfer medium improves the heat exchange capacity of the first fin portion 1311 and the second fin portion 1312, and further improves the heat exchange efficiency of the heat exchange fin 131.
Alternatively, the heat conducting medium is, for example, heat conducting oil, methanol, ethanol, acetone, carbon dioxide, or the like.
Optionally, the heat conducting medium is a phase change material. By adopting the heat-conducting medium of the phase-change material, a great amount of latent heat can be absorbed or released, so that the heat exchange efficiency between the medium in the pipe of the superconducting unit water inlet pipeline 110 and the medium outside the pipe flowing through the gaps between the heat exchange fins 131 is further improved. The phase change material can be an organic phase change material, an inorganic phase change material or a composite phase change material.
Example two
The second embodiment provides a superconducting heat exchange device, the second embodiment includes the superconducting heat exchange unit described in the first embodiment, technical features of the superconducting heat exchange unit disclosed in the first embodiment are also applicable to the second embodiment, and technical features of the superconducting heat exchange unit disclosed in the first embodiment are not repeated.
Fig. 5 and 7 are schematic views of two angle structures of the superconducting heat exchange device provided in the present embodiment; for more clear illustration of the structure, fig. 6 is a simplified view of the superconducting heat exchange device shown in fig. 5, in which the heat exchange fins 131 are not shown.
Referring to fig. 5 to 7, the superconducting heat exchange device provided in this embodiment includes a device water inlet pipeline 210, a device water outlet pipeline (not shown in the drawings), and a superconducting heat exchange unit 100;
The device water inlet pipeline 210 is communicated with the superconducting unit water inlet pipeline 110 of the superconducting heat exchange unit 100;
The device water outlet line communicates with the superconducting unit water outlet line 120 of the superconducting heat exchange unit 100.
In the superconducting heat exchange device in this embodiment, the medium in the water inlet pipeline 210 of the device sequentially passes through the superconducting unit water inlet pipeline 110, the heat exchange tube 132 and the superconducting unit water outlet pipeline 120, and flows to the device water outlet pipeline, and the heat energy of the medium in the tube in the heat exchange tube 132 is rapidly transferred to the heat exchange fins 131, so that the medium outside the tube flowing through the gaps between the heat exchange fins 131 can transfer the heat to the heat exchange fins 131, that is, the medium inside the tube and the medium outside the tube exchange heat through the heat exchange fins 131, the heat exchange efficiency is high, and the technical problem of low heat exchange efficiency in the prior art is solved.
Referring to fig. 5-7, in the alternative of the present embodiment, the superconducting unit water inlet pipeline 110 and the superconducting unit water outlet pipeline 120 are fixedly connected to the device water inlet pipeline 210, respectively;
One end of the superconducting unit water inlet pipeline 110, which is close to the device water inlet pipeline 210, is communicated with the device water inlet pipeline 210;
One end of the superconducting unit water outlet pipeline 120, which is far away from the device water inlet pipeline 210, is communicated with the device water outlet pipeline;
The plurality of superconducting heat exchange units 100 are arranged in two groups; each group of superconducting heat exchange units 100 comprises at least one superconducting heat exchange unit 100 which is sequentially arranged along the extending direction of the device water inlet pipeline 210; for example, each group of superconducting heat exchange units 100 includes 1, 2, 3, 5, etc. superconducting heat exchange units 100.
The two groups of superconducting heat exchange units 100 form an included angle, and the two groups of superconducting heat exchange units 100 are symmetrically arranged at two sides of the water inlet pipeline 210 of the device. That is, the two groups of superconducting heat exchange units 100 are arranged in a herringbone manner, so that the superconducting heat exchange device can be applied to the fields of air cooling islands and the like.
Alternatively, the included angle between the two sets of superconducting heat exchange units 100 is 30 ° -100 °. For example, the included angle between the two sets of superconducting heat exchange units 100 is 30 °, 60 °, 90 °, 100 °, and so on.
The plurality of superconducting heat exchange units 100 may be provided in other structures besides being arranged in a herringbone shape; in an alternative of this embodiment, a plurality of superconducting heat exchange units 100 are sequentially arranged in rows and columns, so that the superconducting heat exchange device can be applied to a large-scale power plant, a steel plant, a chemical plant, or the like where heat exchange is required.
The superconducting heat exchange device in this embodiment has the advantage of the superconducting heat exchange unit in embodiment one, and the advantage of the superconducting heat exchange unit in embodiment one disclosed is not repeated here.
Example III
The third embodiment provides a superconducting heat exchange system, where the embodiment includes the superconducting heat exchange unit described in the first embodiment and the superconducting heat exchange device described in the second embodiment, and technical features of the superconducting heat exchange unit disclosed in the first embodiment and the superconducting heat exchange device described in the second embodiment are also applicable to the embodiment, and technical features of the superconducting heat exchange unit disclosed in the first embodiment and the superconducting heat exchange device described in the second embodiment are not repeated.
Fig. 8 and 9 are schematic views of two structures of the superconducting heat exchange system provided in the present embodiment.
Referring to fig. 9, the superconducting heat exchange system provided in this embodiment includes a tower 300 and a superconducting heat exchange device 200;
At least one superconducting heat exchange device 200 is fixedly arranged in the tower body 300; alternatively, the plurality of superconducting heat transfer devices 200 may be provided in one layer or may be provided in a plurality of layers. The superconducting heat exchange device 200 may be the herringbone superconducting heat exchange device 200 described in the second embodiment, or may be the superconducting heat exchange device 200 formed by a plurality of superconducting heat exchange units 100 sequentially arranged in rows and columns described in the second embodiment, as shown in fig. 9.
The tower 300 includes a tower discharge end and a tower discharge end; the shell fluid can flow from the tower discharge end, through the gaps of the heat exchanging fins 131 of the superconducting heat exchanging device 200, and be discharged from the tower discharge end. The superconducting heat exchange system is applied to the fields of air cooling towers, flue gas heat exchangers or air preheaters and the like. The medium in which the fluid outside the shell flows into the superconducting heat exchange device 200 in this embodiment is the medium outside the tube in the first and second embodiments.
Optionally, the tower body is a concrete tower body, a steel shell, or the like, or other tower bodies.
Referring to fig. 8, the superconducting heat exchange system provided in this embodiment includes a blower (not shown) and a superconducting heat exchange device 200;
The number of superconducting heat exchange devices 200 is at least one; alternatively, the number of superconducting heat transfer devices 200 is 1,2,3, 5, or the like.
The bottom of each superconducting heat exchange device 200 is correspondingly provided with a fan; the blower fan is used to make air flow through the gaps of the heat exchanging fins 131 of the superconducting heat exchanging device 200. The fan accelerates the air flow, so as to improve the heat exchange efficiency between the air and the medium in the tube of the superconducting heat exchange device 200, that is, the heat exchange efficiency of the heat exchange fin 131.
The superconducting heat exchange system in this embodiment has the advantages of the superconducting heat exchange unit in the first embodiment and the superconducting heat exchange device in the second embodiment, and the advantages of the superconducting heat exchange unit in the first embodiment and the superconducting heat exchange device in the second embodiment disclosed in the first embodiment are not repeated here.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.
Claims (8)
1. The superconducting heat exchange unit is characterized by comprising a water inlet pipeline of the superconducting unit, a water outlet pipeline of the superconducting unit and a plurality of heat exchange modules;
The heat exchange module comprises heat exchange fins and heat exchange tubes connected with the heat exchange fins; the heat exchange fin adopts a micro-heat tube array plate;
Each heat exchange tube is communicated with the water inlet pipeline of the superconducting unit and the water outlet pipeline of the superconducting unit, and a plurality of heat exchange tubes are sequentially arranged at intervals along the extending direction of the water inlet pipeline of the superconducting unit;
The heat exchange fins are sequentially arranged at intervals along the extending direction of the water inlet pipeline of the superconducting unit;
The heat exchange fin comprises a first fin part and a second fin part; the first fin part is connected with the second fin part in a sealing way;
A fin heat pipe main channel is arranged between the first fin part and the second fin part; the heat exchange tube is positioned in the main channel of the fin heat pipe;
A plurality of fin branch channels which are parallel to each other are arranged between the first fin part and the second fin part;
The fin branch channels are communicated with the fin heat pipe main channels, and a plurality of fin branch channels are sequentially arranged at intervals along the extending direction of the fin heat pipe main channels;
a heat conducting medium is arranged in the main channel and the branch channels of the fin heat pipe;
And a plurality of heat exchange fins are arranged in parallel.
2. The superconducting heat exchange unit according to claim 1, wherein the heat transfer medium is a phase change material.
3. The superconducting heat exchange unit according to claim 1, wherein one end of the heat exchange fin is connected to the heat exchange tube, and a plurality of the heat exchange fins are provided on the same side of a plurality of the heat exchange tubes;
The water inlet pipeline of the superconducting unit is parallel to the water outlet pipeline of the superconducting unit.
4. A superconducting heat exchange device, characterized by comprising a device water inlet pipeline, a device water outlet pipeline and a plurality of superconducting heat exchange units according to any one of claims 1-3;
The device water inlet pipeline is communicated with a superconductive unit water inlet pipeline of the superconductive heat exchange unit;
The water outlet pipeline of the device is communicated with the water outlet pipeline of the superconducting unit of the superconducting heat exchange unit.
5. The superconducting heat exchange device according to claim 4, wherein the superconducting unit water inlet pipeline and the superconducting unit water outlet pipeline are fixedly connected with the device water inlet pipeline respectively;
one end of the superconducting unit water inlet pipeline, which is close to the device water inlet pipeline, is communicated with the device water inlet pipeline;
one end of the water outlet pipeline of the superconducting unit, which is far away from the water inlet pipeline of the device, is communicated with the water outlet pipeline of the device;
the superconducting heat exchange units are arranged in two groups; each group of superconducting heat exchange units comprises at least one superconducting heat exchange unit which is sequentially arranged along the extending direction of a water inlet pipeline of the device;
The two groups of superconducting heat exchange units form an included angle, and the two groups of superconducting heat exchange units are symmetrically arranged on two sides of a water inlet pipeline of the device.
6. The superconducting heat exchange device according to claim 4, wherein a plurality of the superconducting heat exchange units are arranged in a row and a column in sequence.
7. A superconducting heat exchange system comprising a tower and the superconducting heat exchange device of any one of claims 4-6;
at least one superconducting heat exchange device is fixedly arranged in the tower body;
the tower body comprises a tower body discharge end and a tower body discharge end; the shell fluid can flow through the gaps of the heat exchange fins of the superconducting heat exchange device from the tower body discharge end and is discharged from the tower body discharge end.
8. A superconducting heat exchange system comprising a blower and the superconducting heat exchange device of any one of claims 4-6;
the number of the superconducting heat exchange devices is at least one;
The bottom of each superconducting heat exchange device is correspondingly provided with the fan; the fan is used for enabling air to flow through gaps of the heat exchange fins of the superconducting heat exchange device.
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