CN210688794U - Solar heat collection, storage and supply system - Google Patents
Solar heat collection, storage and supply system Download PDFInfo
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- CN210688794U CN210688794U CN201920689082.3U CN201920689082U CN210688794U CN 210688794 U CN210688794 U CN 210688794U CN 201920689082 U CN201920689082 U CN 201920689082U CN 210688794 U CN210688794 U CN 210688794U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/62—Absorption based systems
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
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- Heat-Pump Type And Storage Water Heaters (AREA)
- Photovoltaic Devices (AREA)
Abstract
The utility model provides a solar energy collection heat storage heating system, include: the solar heat collector comprises a light-gathering cover (1), a heat receiver (2), a steam-water pipeline, a steam-collecting tank, a support (3) and a condensed water recovery device, wherein the heat receiver (2) is positioned under the light-gathering cover (1), the steam-water pipeline is communicated with the steam-collecting tank and the condensed water recovery device, the heat receiver (2) is supported on the support (3), the lower part of the support (3) is supported on the ground through one or more support legs, the steam-water pipeline comprises an anti-freezing liquid pipeline (4) and an anti-freezing liquid steam pipeline (5), one end of the anti-freezing liquid pipeline (4) is connected with the heat receiver (2) through a check valve (6), the other end of the anti-freezing liquid pipeline is connected with the condensed water recovery device, one end of the anti-freezing liquid steam pipeline (5) is connected with the heat receiver (2), the other end of the heat receiver (2) is of a copper tubular structure, the wall thickness, A regular pentagonal Fresnel lens or other regular polygonal Fresnel lens.
Description
Technical Field
The utility model relates to a heat supply, refrigeration field, concretely relates to solar energy collection heat storage heating system.
Background
The heat collectors of the conventional solar centralized hot water system are flat plate type solar heat collectors and vacuum tube type heat collectors, and in order to meet the heat supply requirement of a building, a plurality of heat collectors are usually arranged on a roof in parallel, the floor area of a single heat collector is about 3.6 square meters, the heat requirement of the building is larger, the more the heat collectors are, the larger the lighting area is, and a plurality of common heat collectors are distributed on the roof.
Under the condition that the public building roof area is limited and green building standards such as solar hot water, photovoltaic power generation, roof greening and the like are met, the conventional solar heat collecting system is difficult to realize high-efficiency solar energy utilization in the limited roof area, and the film coating, the sealing silica gel ring and the like of the heat collecting pipe bundle are all wearing parts, namely, the more the heat collectors are arranged, the higher the possibility of failure and water leakage is, and the higher the maintenance cost of equipment in the year-over-the-year period is.
In order to ensure that the maximum solar radiation quantity is obtained, the prior heat collector needs to consider external factors such as local solar azimuth angle, latitude and the like, and the installation azimuth angle (the included angle between the projection line of the surface normal of the heat collector on the horizontal plane and the line of the south alignment direction) of the heat collector is suitable to be placed towards the south; the installation inclination angle (the included angle between the heat collector and the horizontal plane) of the heat collector is adjusted correspondingly according to the use in winter or summer, specifically, refer to "selection and installation of solar central hot water system" 15S128, so that certain defects exist in the simple degree of construction and the combination degree with the building roof.
SUMMERY OF THE UTILITY MODEL
In order to overcome the above-mentioned problem that prior art exists, the utility model provides a solar energy collection heat storage heating system, the fresnel lens of sunlight irradiation on the snoot forms high temperature spotlight focus on the heat receiver, and antifreeze in the heat receiver is heated into steam, supplies to phase transition heat-retaining device after collecting by the collection vapour jar, and the condensate water that forms after the steam cooling is collected by condensate water recovery unit, sends back to the heat receiver.
Referring to fig. 1, an object of the present invention is to provide a solar heat collection, storage and supply system, including:
the solar heat collector comprises a light-gathering cover (1), a heat receiver (2), a steam-water pipeline, a steam-collecting tank, a support (3) and a condensed water recovery device, wherein the heat receiver (2) is located under the light-gathering cover (1), the steam-water pipeline is communicated with the steam-collecting tank and the condensed water recovery device, the heat receiver (2) is supported on the support (3), the support (3) is supported on the ground through one or more support legs, the steam-water pipeline comprises an anti-freezing liquid pipeline (4) and an anti-freezing liquid steam pipeline (5), one end of the anti-freezing liquid pipeline (4) is connected with the heat receiver (2) through a check valve (6), the other end of the anti-freezing liquid steam pipeline is connected with the condensed water recovery device, one end of the anti-freezing liquid steam pipeline (5) is connected with the heat receiver (2), and the other end of.
Preferably, the heat receiver (2) is 300mm in diameter and is a copper tubular structure with the wall thickness not less than 5mm, and is connected with the antifreeze liquid pipeline (4) and the antifreeze liquid steam pipeline (5) through pipelines.
Preferably, the light-gathering cover (1) is composed of a plurality of Fresnel lenses, and the Fresnel lenses are regular hexagonal Fresnel lenses, regular pentagonal Fresnel lenses or other regular polygonal Fresnel lenses.
Preferably, when the fresnel lens is a regular hexagonal fresnel lens, the side length is 77.5mm, the distance between the two opposite sides is 134.2mm, and a total of 19 hexagonal fresnel lenses are provided.
Preferably, a plurality of fresnel lens pass through the lens connecting piece and connect, the lens connecting piece adopts for three support arm lens connecting pieces of polyethylene, and every support arm length is 77.5mm, and the width is 10mm, is separated by 120 support arm angle common center point respectively and sets up, and a side center that every support arm width corresponds sets up the recess and is used for connecting.
Preferably, the light-gathering cover (1) is an integrally formed light-gathering cover.
Preferably, the solar heat collection, storage and supply system further comprises a heat collection and storage system steam-water circulation control system, the heat collection and storage system steam-water circulation control system comprises a liquid level measurement component arranged on the heat receiver (2), and the liquid level measurement component is electrically connected with a controller arranged in the condensed water recovery device through a control line and transmits a control signal so as to control the starting and stopping of the water feeding pump.
Preferably, the liquid level measuring component of the heat collection and storage system vapor-water circulation control system is a photoelectric liquid level sensor, an ultrasonic liquid level meter or a floating ball liquid level meter which is arranged on the heat receiver (2).
Preferably, the condensed water recovery device is a closed condensed water recovery device, the closed condensed water recovery device adopts an electrically driven feed water pump or a steam driven pump driven by steam generated by a heat collecting device, and one or more steam flow meters are arranged at an inlet of the steam collecting tank.
Preferably, the solar heat collection, storage and supply system further comprises a phase-change heat storage device or a semi-volume type steam-water heat exchanger.
The utility model discloses compare prior art's beneficial effect:
a Fresnel lens is designed to focus sunlight, a device which can locally form high temperature of more than 150 ℃ and collect heat to generate steam is designed, and a system for storing heat and supplying heat by using the steam can be used. The Fresnel lens has the characteristics of light weight and low price, and is very suitable for the lighting part of the solar device, and the lighting part of the heat collecting device can be used for focusing heating under the conditions of different solar altitude angles and azimuth angles without a sun tracking system.
The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.
Drawings
Some specific embodiments of the present invention will be described in detail hereinafter, by way of illustration and not by way of limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. The objects and features of the present invention will become more apparent in view of the following description taken in conjunction with the accompanying drawings, in which:
fig. 1 is a structural diagram of a solar heat collection, storage and supply system according to an embodiment of the present invention;
fig. 2 is a cross-sectional view of a solar heat collection, storage and supply system under a working turntable according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a light-gathering cover composed of 19 regular hexagonal fresnel lenses according to an embodiment of the present invention;
FIG. 4 is a top view of a heat receiver according to an embodiment of the present invention;
fig. 5(a) is a schematic diagram of a regular hexagonal fresnel lens structure and size according to an embodiment of the present invention;
fig. 5(b) is a schematic structural and dimensional diagram of a fresnel lens connecting piece according to an embodiment of the present invention;
FIG. 5(c) is a schematic sectional view showing a detailed structure of a single arm of a Fresnel lens coupling according to an embodiment of the present invention;
fig. 6 is a schematic view of a process flow of a heat collection and storage system according to an embodiment of the present invention, in which a vapor-water circulation control system of the heat collection and storage system is shown.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings, which are not intended to limit the scope of the invention.
Referring to fig. 1, a solar heat collection, storage and supply system includes: the solar heat collector comprises a light-gathering cover 1, a heat receiver 2, a steam-water pipeline, a steam-collecting tank, a support 3 and a condensed water recovery device, wherein the heat receiver 2 is located under the light-gathering cover 1, the steam-water pipeline is communicated with the steam-collecting tank and the condensed water recovery device, the heat receiver 2 is supported on the support 3, the steam-water pipeline comprises an antifreeze solution pipeline 4 and an antifreeze solution steam pipeline 5, one end of the antifreeze solution pipeline 4 is connected with the heat receiver 2 through a check valve 6, the other end of the antifreeze solution pipeline is connected with the condensed water recovery device, one end of the antifreeze solution steam pipeline 5 is connected with the heat receiver 2, and. The support 3 is supported below the ground by one or more legs.
Referring to fig. 2, which is a sectional view of a heat collecting, storing, and supplying system in a working state, antifreeze is filled in the system, and the pipe diameters of the adopted pipes are DN 25. The working state and the flow direction of the device and the matching of the anti-freezing liquid are shown in figure 2.
Referring to fig. 3, the light-gathering cover 1 is composed of a plurality of hexagonal fresnel lenses, the working process is that sunlight irradiates the fresnel lenses on the light-gathering cover 1, a high-temperature light-gathering focus is formed on the heat receiver 2, the antifreeze in the heat receiver 2 is heated into steam, the steam is collected by a steam collection tank and then supplied to a phase-change heat storage device, and the condensate formed after the steam is cooled is collected by a condensate recovery device and sent back to the heat receiver 2.
Referring to fig. 4, the heat receiver 2 has a diameter of 300mm and a copper tubular structure with a wall thickness of not less than 5mm, and is connected to the antifreeze solution pipe 4 and the antifreeze solution vapor pipe 5 through pipes.
Referring to fig. 5(a), the side length of the hexagonal fresnel lens is 77.5mm, the distance between the two opposite sides is 134.2mm, and 19 hexagonal fresnel lenses are arranged.
Referring to fig. 5(b), the lens connecting member is in the form of three arms each having a length of 77.5mm and a width of 10mm, and disposed at a common center point at 120 degrees. The lens connecting piece is made of polyethylene materials, and a proper support arm angle can be manufactured through hot pressing, so that the installation requirement of the hexagonal Fresnel lens is met.
Referring to fig. 5(c), a groove is formed in the center of one side corresponding to the width of each support arm for connection.
The marked size and angle of the heat collecting device are only examples and can be adjusted according to actual conditions, the Fresnel lens combination form of the light-gathering cover can also be a regular pentagon or other regular polygons or the light-gathering cover which is integrally formed is manufactured, but the manufacturing difficulty is high, and the transportation is inconvenient. The present embodiment only illustrates one heat collecting device, and a plurality of heat collecting devices can also be used in parallel.
Referring to fig. 6, the solar heat collection device described herein can be combined with existing complete sets of products such as a phase change heat storage device and a closed condensate water recovery device to form a solar heat collection, storage and supply system, and the heat storage system has the following process flow:
the heat collection device heats the antifreeze solution → the antifreeze solution is vaporized and enters the vapor collection tank through the pipeline → the antifreeze solution vapor enters the heat exchange coil in the phase change heat storage device → the antifreeze solution vapor releases latent heat of vaporization and is condensed into liquid → the liquid antifreeze solution is collected by the closed condensed water recovery device and is sent back to the heat collector, and the heat energy stored by the phase change heat storage device can be used as a primary heat source for heating systems of heating air conditioners, heating systems of living hot water systems and the like in buildings.
The steam-water circulation control system of the heat collection and storage system comprises a photoelectric liquid level sensor arranged on the heat receiver 2, and the photoelectric liquid level sensor is electrically connected with a controller arranged in the condensed water recovery device through a control line and transmits a control signal to control the starting and stopping of the water feeding pump. The control flow is as follows: a water feeding pump in the closed type condensed water recovery device supplies anti-freezing liquid to a heat receiver of the heat collection device, a photoelectric liquid level sensor arranged on the heat receiver transmits liquid level information to a controller of the closed type condensed water recovery device, when the liquid level of the anti-freezing liquid in the heat receiver reaches a measuring point of the liquid level sensor, a signal is transmitted to the controller through a control line, the water feeding pump stops running, the anti-freezing liquid in the heat receiver is heated and evaporated, when the liquid level is reduced, the liquid level sensor transmits the signal to the controller through the control line, and the water feeding pump is started.
The device and accessories in the steam-water circulation control system of the heat collection and storage system are as follows: other liquid level measuring components can be used, such as an ultrasonic liquid level meter and a floating ball liquid level meter. One or more steam flow meters are arranged at the inlet of the steam collection tank and used for monitoring the steam amount of the flowing anti-freezing solution, controlling the heat collection power and ensuring the production safety.
In this embodiment, the condensed water recovery device is a closed condensed water recovery device, and the closed condensed water recovery device adopts an electrically driven feed pump (suitable for the case that the height difference between the heat collecting device and the closed condensed water recovery device is large) or a steam driven pump (suitable for the case that the height difference between the heat collecting device and the closed condensed water recovery device is small) driven by steam generated by the heat collecting device.
The embodiment adopts a phase-change heat storage device, and also can adopt a semi-volume type steam-water heat exchanger as a replacement scheme, but the energy storage effect of the semi-volume type steam-water heat exchanger is inferior. The present embodiment can also supply steam for use in a lithium bromide refrigeration system.
The heat collection and storage system fully utilizes solar energy, is green and pollution-free, and can realize conversion of solar energy and heat energy by only consuming a small amount of electric energy. The solar energy collecting device has the advantages of small occupied area, suitability for different areas, light weight, low price, few movable parts, simple structure and high solar energy utilization rate compared with the traditional solar energy collecting device
The technical solutions provided by the embodiments of the present invention are described in detail above, and the principles and embodiments of the present invention are explained herein by using specific examples, and the descriptions of the above embodiments are only applicable to help understand the principles of the embodiments of the present invention; meanwhile, a person skilled in the art can change the embodiments and the application ranges according to the embodiments of the present invention, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (10)
1. A solar heat collection, storage and supply system is characterized by comprising:
the solar heat collector comprises a light-gathering cover (1), a heat receiver (2), a steam-water pipeline, a steam-collecting tank, a support (3) and a condensed water recovery device, wherein the heat receiver (2) is located under the light-gathering cover (1), the steam-water pipeline is communicated with the steam-collecting tank and the condensed water recovery device, the heat receiver (2) is supported on the support (3), the support (3) is supported on the ground through one or more support legs, the steam-water pipeline comprises an anti-freezing liquid pipeline (4) and an anti-freezing liquid steam pipeline (5), one end of the anti-freezing liquid pipeline (4) is connected with the heat receiver (2) through a check valve (6), the other end of the anti-freezing liquid steam pipeline is connected with the condensed water recovery device, one end of the anti-freezing liquid steam pipeline (5) is connected with the heat receiver (2), and the other end of.
2. A solar heat collecting, storing and supplying system according to claim 1, wherein: the diameter of the heat receiver (2) is 300mm, the heat receiver is a copper tubular structure with the wall thickness not less than 5mm, and the heat receiver is connected with the antifreeze liquid pipeline (4) and the antifreeze liquid steam pipeline (5) through pipelines.
3. A solar heat collecting, storing and supplying system according to claim 1, wherein: the condenser cover (1) is composed of a plurality of Fresnel lenses, and the Fresnel lenses are regular hexagonal Fresnel lenses, regular pentagonal Fresnel lenses or other regular polygonal Fresnel lenses.
4. A solar heat collecting, storing and supplying system according to claim 3, wherein: when the Fresnel lens is a regular hexagonal Fresnel lens, the side length of the Fresnel lens is 77.5mm, the distance between two opposite sides of the Fresnel lens is 134.2mm, and 19 hexagonal Fresnel lenses are arranged in total.
5. A solar heat collecting, storing and supplying system according to claim 3, wherein: it is a plurality of fresnel lens passes through the lens connecting piece to be connected, the lens connecting piece adopts for three support arm lens connecting pieces of polyethylene, and every support arm length is 77.5mm, and the width is 10mm, is separated by 120 support arm angle common center points respectively and sets up, and a side center that every support arm width corresponds sets up the recess and is used for connecting.
6. A solar heat collecting, storing and supplying system according to claim 1, wherein: the light-gathering cover (1) is an integrally formed light-gathering cover.
7. A solar heat collecting, storing and supplying system according to claim 1, wherein: the solar heat collection, storage and supply system further comprises a heat collection and storage system steam-water circulation control system, the heat collection and storage system steam-water circulation control system comprises a liquid level measurement component arranged on the heat receiver (2), and the liquid level measurement component is electrically connected with a controller arranged in the condensed water recovery device through a control line and transmits a control signal so as to control the starting and stopping of the water feeding pump.
8. A solar heat collecting, storing and supplying system according to claim 7, wherein: the liquid level measuring component of the heat collection and storage system steam-water circulation control system is a photoelectric liquid level sensor, an ultrasonic liquid level meter or a floating ball liquid level meter which are arranged on the heat receiver (2).
9. A solar heat collecting, storing and supplying system according to claim 1, wherein: the condensed water recovery device is a closed condensed water recovery device, the closed condensed water recovery device adopts an electrically driven feed pump or a steam driven pump driven by steam generated by a heat collection device, and one or more steam flow meters are arranged at the inlet of the steam collection tank.
10. A solar heat collecting, storing and supplying system according to claim 1, wherein: the solar heat collection, storage and supply system further comprises a phase change heat storage device or a semi-volume type steam-water heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920689082.3U CN210688794U (en) | 2019-05-15 | 2019-05-15 | Solar heat collection, storage and supply system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920689082.3U CN210688794U (en) | 2019-05-15 | 2019-05-15 | Solar heat collection, storage and supply system |
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| CN210688794U true CN210688794U (en) | 2020-06-05 |
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| CN201920689082.3U Active CN210688794U (en) | 2019-05-15 | 2019-05-15 | Solar heat collection, storage and supply system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110186209A (en) * | 2019-05-15 | 2019-08-30 | 中国中元国际工程有限公司 | A kind of solar energy heat-collecting heat-storage heating system |
| CN114804273A (en) * | 2022-04-28 | 2022-07-29 | 山东省鲁南地质工程勘察院(山东省地质矿产勘查开发局第二地质大队) | Evaporation purifier, solar heat-collecting purification system and energy storage method for mine |
-
2019
- 2019-05-15 CN CN201920689082.3U patent/CN210688794U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110186209A (en) * | 2019-05-15 | 2019-08-30 | 中国中元国际工程有限公司 | A kind of solar energy heat-collecting heat-storage heating system |
| CN114804273A (en) * | 2022-04-28 | 2022-07-29 | 山东省鲁南地质工程勘察院(山东省地质矿产勘查开发局第二地质大队) | Evaporation purifier, solar heat-collecting purification system and energy storage method for mine |
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