CN117329890B - Roof heat dissipation system based on heat pipe heat accumulation type - Google Patents
Roof heat dissipation system based on heat pipe heat accumulation type Download PDFInfo
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- CN117329890B CN117329890B CN202311281211.2A CN202311281211A CN117329890B CN 117329890 B CN117329890 B CN 117329890B CN 202311281211 A CN202311281211 A CN 202311281211A CN 117329890 B CN117329890 B CN 117329890B
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- 230000017525 heat dissipation Effects 0.000 title claims abstract description 47
- 238000009825 accumulation Methods 0.000 title claims abstract description 21
- 239000007788 liquid Substances 0.000 claims abstract description 141
- 238000001704 evaporation Methods 0.000 claims abstract description 60
- 230000008020 evaporation Effects 0.000 claims abstract description 33
- 230000000630 rising effect Effects 0.000 claims abstract description 16
- 230000005494 condensation Effects 0.000 claims description 7
- 238000009833 condensation Methods 0.000 claims description 7
- 230000001172 regenerating effect Effects 0.000 claims description 6
- 238000005338 heat storage Methods 0.000 claims description 5
- 239000011232 storage material Substances 0.000 claims description 3
- 238000010793 Steam injection (oil industry) Methods 0.000 claims description 2
- 238000005507 spraying Methods 0.000 abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 13
- 230000000694 effects Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 7
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 238000001816 cooling Methods 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 210000004243 sweat Anatomy 0.000 description 1
- 239000002699 waste material Substances 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
- F28D15/0266—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 with separate evaporating and condensing chambers connected by at least one conduit; Loop-type heat pipes; with multiple or common evaporating or condensing chambers
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H1/00—Buildings or groups of buildings for dwelling or office purposes; General layout, e.g. modular co-ordination or staggered storeys
- E04H1/12—Small buildings or other erections for limited occupation, erected in the open air or arranged in buildings, e.g. kiosks, waiting shelters for bus stops or for filling stations, roofs for railway platforms, watchmen's huts or dressing cubicles
- E04H1/1205—Small buildings erected in the open air
- E04H1/1211—Waiting shelters for bus stops
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B1/00—Methods of steam generation characterised by form of heating method
- F22B1/006—Methods of steam generation characterised by form of heating method using solar heat
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S10/00—Solar heat collectors using working fluids
- F24S10/70—Solar heat collectors using working fluids the working fluids being conveyed through tubular absorbing conduits
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S23/00—Arrangements for concentrating solar-rays for solar heat collectors
- F24S23/30—Arrangements for concentrating solar-rays for solar heat collectors with lenses
- F24S23/31—Arrangements for concentrating solar-rays for solar heat collectors with lenses having discontinuous faces, e.g. Fresnel lenses
-
- 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
- F28D15/04—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 with tubes having a capillary structure
- F28D15/046—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 with tubes having a capillary structure characterised by the material or the construction of the capillary structure
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/20—Optical components
- H02S40/22—Light-reflecting or light-concentrating means
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Architecture (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Building Environments (AREA)
Abstract
The invention discloses a roof heat dissipation system based on heat pipe heat accumulation, which comprises: the liquid evaporation system comprises a plurality of liquid evaporation pipes and a plurality of gas rising pipes, wherein each gas rising pipe comprises a waist and horn parts positioned at two sides of the waist, and the diameter of each horn part is larger than that of the waist; the steam condensing system comprises a gas collecting pipe, a plurality of condensing pipes and a liquid collecting pipe, wherein two ends of a gas rising pipe are respectively communicated with the gas collecting pipe and a liquid evaporating pipe; the solar steam spraying system comprises a sunlight focusing element, a steam generating pipe and a steam sprayer positioned in the waist, wherein two ends of the steam generating pipe are respectively communicated with the waist and a liquid collecting pipe, the sunlight focusing element is suitable for focusing sunlight to heat liquid in the steam generating pipe to generate steam, and the steam enters the steam sprayer. Can circularly dissipate heat, and is energy-saving and environment-friendly.
Description
Technical Field
The invention relates to the technical field of heat dissipation, in particular to a roof heat dissipation system based on heat pipe heat accumulation.
Background
The bus pavilion is a public transportation facility and is used for pavilion type buildings for passengers waiting for buses. In some areas with higher temperatures, the outdoor temperature is higher, and the temperature at the outdoor bus pavilion is also the same, so that passengers often sweat and back down when waiting for buses, the bus pavilion is quite uncomfortable, and the existing bus pavilion can only shield sunlight through the sun shield arranged at the top of the bus pavilion.
The Chinese patent application No. CN201810847178.8, publication No. 2018.11.23 discloses a bus shelter, which comprises a bracket, a shelter body arranged on the bracket and a spraying device. The spraying device comprises a spraying pipeline and a water tank, wherein the spraying pipeline is distributed at the top and/or the side part of the bracket, and a plurality of atomizing nozzles are arranged on the spraying pipeline. The water tank is connected with a water inlet valve and a water outlet valve, the water inlet valve is connected with an external water source, and the water outlet valve is connected with the spraying pipeline. The top of the shed body is provided with drainage grooves positioned below the corresponding atomizing spray heads. By installing the atomizing nozzle on the support of the bus shelter, water is pressurized, micron-sized water mist particles are formed at the position of the atomizing nozzle, and the water mist is gasified to take away heat, so that the effect of local cooling is achieved.
However, the bus shelter has the following defects: the heat dissipation process needs to consume a large amount of water and electric energy, so that the resource waste is caused.
In view of the above-mentioned shortcomings, it is necessary to design a roofing heat dissipation system based on heat pipe heat accumulation type.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is that a large amount of water and electric energy are consumed in the existing heat dissipation process of the bus shelter, so that the resource is wasted, and the heat pipe heat accumulation type roof heat dissipation system is provided.
In order to solve the technical problems, the technical scheme of the invention is as follows:
a roofing heat dissipation system based on heat pipe heat accumulation, the roofing heat dissipation system comprising:
the liquid evaporation system comprises a plurality of liquid evaporation pipes and a plurality of gas rising pipes, wherein the gas rising pipes comprise a waist and horn parts positioned at two sides of the waist, and the diameter of the horn parts is larger than that of the waist;
the steam condensing system comprises a gas collecting pipe, a plurality of condensing pipes and a liquid collecting pipe, wherein two ends of the gas rising pipe are respectively communicated with the gas collecting pipe and the liquid evaporating pipe, two ends of the condensing pipe are respectively communicated with the gas collecting pipe and the liquid collecting pipe, and the liquid evaporating pipe is communicated with the liquid collecting pipe;
The solar steam spraying system comprises a sunlight focusing element, a steam generating pipe and a steam sprayer positioned in the waist, wherein two ends of the steam generating pipe are respectively communicated with the waist and the liquid collecting pipe, the sunlight focusing element is suitable for focusing sunlight to heat liquid in the steam generating pipe to generate steam, and the steam enters the steam sprayer.
Further, the roof heat dissipation system further comprises a solar panel and a pump, wherein the solar panel supplies power for the pump, and the pump pumps part of liquid in the liquid collecting pipe back to the steam generating pipe.
Further, the position of the steam generating pipe is higher than the position of the gas collecting pipe.
Further, the projections of the sunlight focusing element and the condensing tube on the horizontal plane are staggered.
Further, the sunlight focusing element is a fresnel lens.
Further, the roof heat dissipation system further comprises a gas-liquid separator, wherein the gas-liquid separator separates gas and liquid in the steam flowing out of the steam generating pipe, the gas enters the steam injector, and the liquid enters the liquid collecting pipe.
Further, the vapor condensing system further comprises a plurality of capillaries, and the liquid evaporating pipes are communicated with the liquid collecting pipes through the corresponding capillaries.
Further, the condensation pipes on two sides of the gas collecting pipe are symmetrically arranged.
Further, the gas rising pipe is connected to the middle part of the liquid evaporation pipe.
Further, the liquid evaporation tube is suitable for being arranged at the position of the roof on the wall, and a gap between the liquid evaporation tube and the roof is filled with a heat storage material.
The technical scheme of the invention has the following advantages:
1. According to the heat pipe heat accumulating type roof heat dissipation system provided by the invention, sunlight passes through the sunlight focusing element and then falls on the steam generating pipe to heat liquid in the steam generating pipe, high-temperature and high-pressure steam is generated, the steam enters the steam ejector at the waist and is accelerated and then is sprayed to the gas collecting pipe along the horn part, high-speed steam is continuously extracted from the liquid evaporating pipe, so that the liquid evaporating pipe keeps higher vacuum, namely lower evaporation pressure, the liquid in the liquid evaporating pipe can be evaporated, the heat of a roof connected with the liquid evaporating pipe is absorbed in the evaporation process, the indoor temperature is reduced, the heat dissipation purpose is realized, meanwhile, the steam flowing out of the liquid evaporating pipe is converged to the gas collecting pipe along the gas rising pipe, the steam in the gas collecting pipe is in a high-pressure state, the steam in the gas collecting pipe flows into the condensing pipe by virtue of pressure difference, flows back to the liquid collecting pipe after being condensed into the liquid collecting pipe, part of the liquid in the liquid collecting pipe enters the steam generating pipe, and part of the liquid evaporating pipe is continuously evaporated, and then is condensed again, the whole working process depends on solar energy, and environmental protection and energy saving is realized.
2. The roof heat dissipation system based on the heat pipe heat accumulation type provided by the invention further comprises the solar panel and the pump, wherein the solar panel supplies power for the pump, and the pump pumps part of liquid in the liquid collecting pipe back to the steam generating pipe, so that the liquid in the steam generating pipe can be sufficient, sufficient steam can be generated, and the suction effect of working air flow sprayed from the steam injector on the air in the liquid evaporating pipe is improved.
3. The roof heat dissipation system based on the heat pipe heat accumulation type provided by the invention further comprises a gas-liquid separator, wherein the gas-liquid separator separates gas and liquid in the steam flowing out of the steam generating pipe, the gas enters the steam injector, and the liquid enters the liquid collecting pipe, so that the liquid entering the steam injector can be reduced, and the injection effect of the steam injector on the steam in the liquid evaporating pipe is improved.
4. The roof heat dissipation system based on heat pipe heat accumulation provided by the invention has the advantages that the projections of the sunlight focusing element and the condensing pipe on the horizontal plane are staggered, so that the liquid in the condensing pipe can be prevented from being heated, and the operation of the roof heat dissipation system is prevented from being influenced.
5. The heat pipe heat accumulating type-based roof heat dissipation system provided by the invention further comprises a plurality of capillaries, the liquid evaporation pipes are communicated with the liquid collecting pipes through the corresponding capillaries, and due to the arrangement of the capillaries, the resistance of the cooled liquid flowing to the liquid evaporation pipes is increased, so that the vacuum degree in the liquid evaporation pipes is ensured on one hand, and on the other hand, the liquid can smoothly enter the steam generation pipes from the liquid collecting pipes, and the heat dissipation circulation can be smoothly carried out.
6. According to the heat pipe heat accumulation type roof heat dissipation system provided by the invention, the sunlight focusing element is the Fresnel lens, so that the sunlight focusing efficiency is higher, the quantity of working steam generated in the steam generating pipe is larger, the temperature of the working steam is higher, the flow speed of air flow sprayed out of the steam sprayer is higher, the better injection effect is achieved, and the heat dissipation effect is finally ensured.
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 front view of a heat pipe regenerative based roofing heat dissipation system and wall assembly of the present invention;
FIG. 2 is a schematic perspective view of a first view of a heat pipe regenerative roof heat dissipation system and wall assembly according to the present invention;
FIG. 3 is a schematic perspective view of a second view of a heat pipe regenerative roof heat dissipation system and wall assembly according to the present invention;
fig. 4 is a schematic perspective view of a third view angle of a heat pipe heat accumulation type roof heat dissipation system and wall assembly according to the present invention.
Reference numerals illustrate:
10. A liquid evaporation tube; 11. a gas riser; 111. a waist portion; 112. a horn section; 20. a gas collecting tube; 21. a condensing tube; 22. a liquid collecting pipe; 23. a capillary tube; 30. a solar light focusing element; 31. a focusing element fixing bracket; 32. a steam generating tube; 33. a steam ejector; 34. a solar cell panel; 35. a pump; 36. a gas-liquid separator; 40. a wall.
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.
In addition, the technical features of the different embodiments of the present invention described below may be combined with each other as long as they do not collide with each other.
As shown in fig. 1 to 4, the present embodiment provides a heat pipe heat accumulation type roof heat dissipation system, which is used for a bus shelter roof, and can also be used for heat dissipation of roofs such as a painting, a yacht, a pavilion, and the like.
The roof heat removal system includes a solar vapor injection system, a liquid evaporation system, a vapor condensation system, a solar panel 34, a pump 35, and a gas-liquid separator 36.
The liquid evaporation system comprises a plurality of horizontally arranged liquid evaporation tubes 10 and a plurality of vertically arranged gas risers 11. One end of the gas rising pipe 11 is mutually communicated with the liquid evaporation pipe 10 and is arranged at an included angle, in the embodiment, the gas rising pipe 11 is connected to the middle part of the liquid evaporation pipe 10, and the liquid evaporation pipes 10 are mutually parallel. The gas risers 11 are also parallel to each other. The gas riser 11 comprises a waist 111 of smaller diameter and horns 112 at both ends of the waist 111, the diameter of the horns 112 being greater than the diameter of the waist 111.
The vapor condensing system comprises a header 20, a plurality of condensing tubes 21, at least one header 22, and a plurality of capillaries 23.
The position of the gas collecting tube 20 is higher than the position of the liquid evaporating tube 10, and in this embodiment, the gas collecting tube 20 is located at the peak of the bus shelter. The gas collecting pipe 20 communicates with the other end of the gas rising pipe 11. A plurality of condensing tubes 21 are obliquely arranged and communicate the gas collecting tube 20 with the liquid evaporating tube 10. The plurality of liquid evaporation tubes 10 are disposed between the two liquid collection tubes 22. The plurality of capillaries 23 are provided in one-to-one correspondence with the plurality of liquid evaporation tubes 10. Each liquid evaporation tube 10 communicates with the liquid collection tube 22 through a corresponding capillary tube 23. In this embodiment, two liquid collecting pipes 22 are provided, the two liquid collecting pipes 22 are respectively arranged at two opposite sides of the roof, the condensation pipes 21 at two sides of the gas collecting pipe 20 are symmetrically arranged about the gas collecting pipe 20, the two liquid collecting pipes 22 are also symmetrically arranged about the gas collecting pipe 20, and the gas rising pipe 11 is connected to the middle part of the liquid evaporating pipe 10. Of course, when the condensation duct 21 is provided only on one side of the roof, only one liquid collecting duct 22 may be provided.
The solar steam injection system includes a solar focusing element 30, a focusing element fixing bracket 31, a steam generating tube 32, and a steam injector 33. The solar light focusing element 30 is fixed by a focusing element fixing bracket 31. The both ends of the steam generating tube 32 communicate with the waist portion 111 and the liquid collecting tube 22, respectively, so as to supply steam to the waist portion 111 and take liquid from the liquid collecting tube 22, respectively. In this embodiment, the sunlight focusing element 30 is a fresnel lens, and the efficiency of focusing sunlight by the fresnel lens is higher, so that the amount of working steam generated in the steam generating tube 32 is larger, the temperature of the working steam is higher, and the flow rate of the air flow ejected from the steam ejector 33 is higher, so that the air flow has a better ejection effect, and finally, the heat dissipation effect is ensured.
The solar panel 34 supplies power to the pump 35, and the pump 35 pumps part of the liquid in the liquid collecting pipe 22 back into the vapor generating pipe 32, so that the liquid in the vapor generating pipe 32 can be sufficient, sufficient vapor can be generated, and the suction effect of the working air flow sprayed from the vapor injector 33 on the gas in the liquid evaporating pipe 10 can be improved.
The gas-liquid separator 36 is provided at the gas outlet end of the steam generating pipe 32, separates the gas and the liquid in the steam flowing out of the steam generating pipe 32, and makes the gas enter the steam injector 33 and the liquid enter the liquid collecting pipe 22, so that the liquid entering the steam injector 33 can be reduced, and the injection effect of the steam injector 33 on the steam in the liquid evaporating pipe 10 can be improved.
In the present embodiment, the heat storage material is filled in the space between the roofing position on the wall 40 and the liquid evaporation tube 10.
The following describes a heat dissipation process of the heat pipe heat accumulation type roof heat dissipation system:
The angle and the distance between the Fresnel lens and the steam generating tube 32 are adjusted, so that focusing is realized;
Sunlight irradiates on the Fresnel lens and passes through the Fresnel lens to be focused on the steam generating tube 32, so that the steam generating tube 32 generates high-temperature and high-pressure steam, the steam enters the gas-liquid separator 36, the gas-liquid separator 36 separates gas and liquid in the steam flowing out of the steam generating tube 32, the gas enters the steam ejector 33 as working air flow, the liquid enters the liquid collecting tube 22, the high-speed working air flow enables the horn 112 and the liquid evaporating tube 10 at the lower part to form negative pressure, so that the liquid evaporating tube 10 keeps high vacuum, namely lower evaporating pressure, and in this way, the liquid in the liquid evaporating tube 10 can be quickly evaporated, heat in a heat accumulating material between the liquid evaporating tube 10 and a roof position on the wall 40 can be absorbed in the evaporating process, and the indoor temperature can be reduced, so that the heat dissipation purpose is realized;
The air flow sprayed from the steam sprayer 33 and the steam extracted from the liquid evaporation tube 10 are collected in the gas collecting tube 20, so that the gas collecting tube 20 is in a high-pressure state, the steam of the gas collecting tube 20 enters the condensing tube 21 and is condensed into liquid through air condensation to be converged to the liquid collecting tube 22, and the natural air is utilized to carry away heat to realize condensation, so that the energy-saving and environment-friendly energy-saving liquid collecting tube does not need to consume electric energy; part of the liquid in the liquid collecting pipe 22 is pumped back to the steam generating pipe 32 by the pump 35 driven by the solar panel 34, and the other part of the liquid is returned to the liquid evaporating pipe 10 by the capillary tube 23 to be evaporated continuously and then condensed again, and the liquid is circulated in this way to realize cooling.
In addition, in the present embodiment, since the liquid evaporation tube 10 is communicated with the liquid collecting tube 22 through the corresponding capillary tube 23, the resistance of the condensed liquid flowing into the liquid evaporation tube 10 is increased, so that, on one hand, the vacuum degree in the liquid evaporation tube 10 is ensured, and on the other hand, the liquid can smoothly enter the steam generating tube 32 from the liquid collecting tube 22, and the heat dissipation cycle can be smoothly performed.
In summary, the heat pipe heat accumulation type roof heat dissipation system provided by the embodiment relies on solar energy to provide electric energy in the whole working process, and water is recycled, so that the heat pipe heat accumulation type roof heat dissipation system is energy-saving and environment-friendly.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the invention.
Claims (10)
1. A roofing heat dissipation system based on heat pipe heat accumulation formula, characterized in that, roofing heat dissipation system includes:
the liquid evaporation system comprises a plurality of liquid evaporation pipes (10) and a plurality of gas rising pipes (11), wherein the gas rising pipes (11) comprise a waist part (111) and horn parts (112) positioned at two sides of the waist part (111), and the diameter of the horn parts (112) is larger than that of the waist part (111);
The steam condensing system comprises a gas collecting pipe (20), a plurality of condensing pipes (21) and a liquid collecting pipe (22), wherein two ends of a gas rising pipe (11) are respectively communicated with the gas collecting pipe (20) and the liquid evaporating pipe (10), two ends of the condensing pipe (21) are respectively communicated with the gas collecting pipe (20) and the liquid collecting pipe (22), the liquid evaporating pipe (10) is communicated with the liquid collecting pipe (22), and the position of the liquid evaporating pipe (10) is lower than the position of the gas collecting pipe (20), and the condensing pipe (21) is an air-cooled condensing pipe;
Solar steam injection system, including sunlight focusing element (30), steam generation pipe (32) and be located steam injector (33) in waist (111), the both ends of steam generation pipe (32) communicate respectively waist (111) with collector tube (22), sunlight focusing element (30) are suitable for focusing sunlight in order to heat liquid in steam generation pipe (32) produces steam, steam gets into steam injector (33).
2. The heat pipe heat storage type roof heat dissipation system according to claim 1, further comprising a solar panel (34) and a pump (35), wherein the solar panel (34) supplies power to the pump (35), and the pump (35) pumps part of the liquid in the liquid collecting pipe (22) back to the steam generating pipe (32).
3. The heat pipe heat accumulation based roofing heat dissipation system as in claim 2 wherein the steam generation pipe (32) is located higher than the gas collection pipe (20).
4. The heat pipe heat accumulation based roofing heat dissipation system as in claim 1 wherein the projections of the solar focusing element (30) and the condenser pipe (21) on the horizontal plane are staggered with respect to each other.
5. The heat pipe regenerative roof heat dissipation system according to claim 4, wherein the solar light focusing element (30) is a fresnel lens.
6. The heat pipe regenerative roofing heat dissipation system according to claim 1, further comprising a gas-liquid separator (36), the gas-liquid separator (36) separating gas and liquid in the steam flowing out of the steam generation pipe (32), the gas entering the steam ejector (33), and the liquid entering the liquid collection pipe (22).
7. The heat pipe heat storage type roof heat dissipation system according to claim 1, wherein the vapor condensation system further comprises a plurality of capillary tubes (23), and the liquid evaporation pipe (10) is communicated with the liquid collection pipe (22) through the corresponding capillary tube (23).
8. The heat pipe heat accumulation based roofing heat dissipation system as in claim 1 wherein the plurality of condensing pipes (21) at both sides of the gas collection pipe (20) are symmetrically arranged.
9. The heat pipe heat accumulation based roofing heat dissipation system as in claim 8 wherein the gas rising pipe (11) is connected to the middle of the liquid evaporation pipe (10).
10. The heat pipe regenerative roofing heat dissipation system of claim 1, wherein the liquid evaporation pipe (10) is adapted to be installed at a roofing position on a wall (40), and a gap between the liquid evaporation pipe (10) and the roofing is filled with a heat storage material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311281211.2A CN117329890B (en) | 2023-09-28 | 2023-09-28 | Roof heat dissipation system based on heat pipe heat accumulation type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311281211.2A CN117329890B (en) | 2023-09-28 | 2023-09-28 | Roof heat dissipation system based on heat pipe heat accumulation type |
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| Publication Number | Publication Date |
|---|---|
| CN117329890A CN117329890A (en) | 2024-01-02 |
| CN117329890B true CN117329890B (en) | 2024-06-07 |
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| CN202311281211.2A Active CN117329890B (en) | 2023-09-28 | 2023-09-28 | Roof heat dissipation system based on heat pipe heat accumulation type |
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| KR101992157B1 (en) * | 2019-02-07 | 2019-06-25 | 신헌정 | Cooling structure for rest |
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| CN106931681A (en) * | 2017-04-14 | 2017-07-07 | 东南大学 | A kind of solar refrigeration system |
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