CN211695100U - Photovoltaic waste heat recovery energy storage system - Google Patents
Photovoltaic waste heat recovery energy storage system Download PDFInfo
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- CN211695100U CN211695100U CN202020106072.5U CN202020106072U CN211695100U CN 211695100 U CN211695100 U CN 211695100U CN 202020106072 U CN202020106072 U CN 202020106072U CN 211695100 U CN211695100 U CN 211695100U
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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
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/40—Geothermal heat-pumps
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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
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
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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
- Y02E10/10—Geothermal energy
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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
- Y02E10/50—Photovoltaic [PV] energy
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Abstract
The utility model discloses a photovoltaic waste heat recovery energy storage system, which comprises a waste heat recovery unit, an energy storage ground pipe, and a waste heat utilization unit, wherein the waste heat recovery unit comprises a plurality of photovoltaic cell panels, a plurality of capillary network heat exchangers and plate heat exchangers, the plurality of photovoltaic cell panels are arranged side by side, a capillary network heat exchanger is arranged on the backlight surface of one photovoltaic cell panel, and the plurality of capillary network heat exchangers are all communicated with one runner of the plate heat exchangers; the energy storage buried pipe is buried in the soil and communicated with the rest one flow channel of the plate type heat exchanger; the waste heat utilization unit comprises a ground source heat pump host and a ground heat exchanger which is buried in the soil and communicated with the ground source heat pump host, and the ground heat exchanger is arranged adjacent to the energy storage ground pipe. The utility model discloses have and improve photovoltaic cell board generating efficiency and life, guarantee the beneficial effect of ground source heat pump operating efficiency and stability.
Description
Technical Field
The utility model relates to a renewable energy utilizes the field. More specifically, the utility model relates to a photovoltaic waste heat recovery energy storage system.
Background
Solar energy is one of the cleanest energy sources, has the characteristics of rich and renewable resources, and is increasingly paid more attention to development and utilization at the present time when the fossil energy crisis and the environmental pollution are serious. Photovoltaic power generation is an important mode for solar energy utilization, and a photovoltaic cell panel converts absorbed light energy into electric energy for power generation. However, in the process, the photoelectric conversion efficiency of the photovoltaic cell panel is about 15-20%, most of light energy is converted into heat energy, and along with the continuous increase of the heat energy, the temperature of the photovoltaic cell panel rises, so that the power generation efficiency is reduced, and the service life of the photovoltaic cell panel is prolonged. Therefore, the effective recovery and utilization of the waste heat have important significance for improving the generating efficiency of the photovoltaic cell panel and the utilization rate of solar energy.
The ground source heat pump realizes the transfer from low-grade heat energy to high-grade heat energy by inputting a small amount of high-grade energy (electric energy), has the advantages of good stability, energy conservation, high efficiency, environmental protection, renewability and the like, is beneficial to sustainable development, and is widely popularized by the nation. In most areas of China, the underground can be used as heat storage equipment for storing heat in summer for heating in winter and absorbing heat in winter for refrigerating in summer. However, in areas with long heating seasons such as north China, northeast China and northwest China, the heat required for heating in winter is large, heat taking in winter and heat storage in summer are unbalanced, and long-term operation can cause soil underground temperature unbalance, and the efficiency and the cooling and heating effects of the ground source heat pump are seriously affected, so that the balance of heat absorption and heat release of the ground source heat pump underground pipe-embedded heat exchanger system is reliable guarantee for stable and efficient operation of the ground source heat pump.
SUMMERY OF THE UTILITY MODEL
It is an object of the present invention to solve at least the above problems and to provide at least the advantages which will be described later.
The utility model also aims at providing a photovoltaic waste heat recovery energy storage system has the beneficial effect that improves photovoltaic cell board generating efficiency and life, guarantees ground source heat pump operating efficiency and stability.
In order to achieve these objects and other advantages in accordance with the purpose of the invention, there is provided a photovoltaic waste heat recovery energy storage system, including:
the waste heat recovery unit comprises a plurality of photovoltaic cell panels, a plurality of capillary network heat exchangers, plate heat exchangers and a recovery circulating pump, wherein the photovoltaic cell panels are arranged side by side, a capillary network heat exchanger is arranged on the backlight surface of one photovoltaic cell panel, the capillary network heat exchangers are communicated with one flow channel of the plate heat exchangers, and the recovery circulating pump is arranged on the flow channel;
the energy storage buried pipe is buried in soil and communicated with the rest one flow passage of the plate heat exchanger, and an energy storage circulating pump is arranged on the rest one flow passage;
the waste heat utilization unit comprises a ground source heat pump host and a ground heat exchanger which is buried in soil and communicated with the ground source heat pump host, the ground heat exchanger is arranged adjacent to the energy storage ground pipe, and a heating circulating pump is arranged on a pipeline communicated with the ground heat exchanger and the ground source heat pump host.
Preferably, the energy storage ground pipe laying includes two parallelly responsible pipes, is responsible for the intercommunication and parallelly connected a plurality of cooling tubes that set up with two, the cooling tube is the U type pipe that is formed by first riser portion, elbow portion, second riser portion integrated into one piece, first riser portion second riser portion is a plurality of straight tube portions and a plurality of bulb portion interval arrangement and constitutes, the position of a plurality of straight tube portions on the first riser portion with the position one-to-one of a plurality of bulb portion on the second riser portion.
Preferably, two adjacent cooling tubes are taken as a group, a plurality of steel wire meshes which are parallel to each other are arranged between the two cooling tubes in each group, and each steel wire mesh comprises a pair of main steel wires of which two ends are respectively connected with one straight tube part and one spherical tube part and a plurality of connecting steel wires which are fixed between the pair of main steel wires and are parallel to each other.
Preferably, the inner diameter of the straight tube portion is half of the maximum inner diameter of the bulb portion, and the length of the straight tube portion is equal to the maximum outer diameter of the bulb portion.
Preferably, the distance between two adjacent radiating pipes is 3 to 5 times of the maximum outer diameter of the bulb part.
Preferably, a plurality of capillary network heat exchangers are arranged in parallel.
The utility model discloses at least, include following beneficial effect:
the backlight surface of the photovoltaic cell panel is provided with the capillary network heat exchanger, so that the heat exchange area of the capillary network heat exchanger is large, the temperature of the photovoltaic cell panel can be effectively reduced, and the power generation efficiency and the service life of the photovoltaic cell panel are improved;
the utility model discloses well energy storage buried pipe buries underground in soil, through plate heat exchanger with photovoltaic cell panel produced waste heat recovery and storage in soil, for the ground source heat pump heating provides the heat source, guarantees the efficiency and the stability of ground source heat pump operation, and is favorable to the maintenance of the soil underground temperature balance of the longer area of heating season;
three, the utility model discloses in with the ground heat exchanger of ground source heat pump host computer intercommunication and energy storage ground pipe laying do not connect, do not influence the operation of ground source heat pump when the waste heat that the energy storage ground pipe laying produced photovoltaic cell board stores soil, be favorable to ensureing whole photovoltaic waste heat recovery energy storage system's operation effect.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
Fig. 1 is a schematic structural diagram of a photovoltaic waste heat recovery energy storage system according to one of the technical solutions of the present invention;
fig. 2 is a schematic structural diagram of the energy storage buried pipe according to one of the technical solutions of the present invention.
Detailed Description
The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.
It should be noted that, in the description of the present invention, the directions or positional relationships indicated are the directions or positional relationships shown in the drawings, which are only for convenience of description and simplification of description, and the indication or suggestion that the indicated device or element must have a specific direction, be constructed and operated in a specific direction is not understood as a limitation of the present invention.
As shown in fig. 1-2, the utility model provides a photovoltaic waste heat recovery energy storage system, include:
the waste heat recovery unit comprises a plurality of photovoltaic cell panels 1, a plurality of capillary network heat exchangers 2, plate heat exchangers 4 and a recovery circulating pump 3, wherein the photovoltaic cell panels 1 are arranged side by side, one capillary network heat exchanger 1 is arranged on a backlight surface of one photovoltaic cell panel 1, the capillary network heat exchangers 1 are communicated with one runner of the plate heat exchangers 4, and the runner is provided with the recovery circulating pump 3;
the energy storage buried pipe 5 is buried in soil 10 and communicated with the rest one flow channel of the plate heat exchanger 4, and an energy storage circulating pump 6 is arranged on the rest one flow channel;
the waste heat utilization unit comprises a ground source heat pump host machine 9 and a ground heat exchanger 7 which is buried in soil 10 and communicated with the ground source heat pump host machine 9, the ground heat exchanger 7 is arranged adjacent to the energy storage ground pipe 5, and a heating circulating pump 8 is arranged on a pipeline communicated with the ground heat exchanger 7 and the ground source heat pump host machine 9.
In the above technical scheme, can produce the heat when photovoltaic cell panel 1 generates electricity, lead to the temperature rise on the photovoltaic cell panel 1, influence the life of partial components and parts on the photovoltaic cell panel 1, and reduce its generating efficiency, photovoltaic cell panel 1 shady face is equipped with capillary network heat exchanger 2 in this system, gather the heat transfer that photovoltaic cell panel 1 produced and give the medium (such as water, ethylene glycol etc.) in the capillary network heat exchanger 2, and enter into one of them runner of plate heat exchanger 4, a plurality of capillary network heat exchangers 2, one of them runner of plate heat exchanger 4 is connected and is constituted waste heat recovery circulation pipeline, retrieve the heat that produces on the photovoltaic cell panel 1, can effectively reduce the temperature of photovoltaic cell panel 1, improve its generating efficiency and life. And the energy storage buried pipe 5 buried in the soil is communicated with the rest runner of the plate type heat exchanger 4 to form a waste heat energy storage circulation pipeline. The heat recovered by the waste heat recovery circulation pipeline is transferred to the medium (water) in the waste heat energy storage circulation pipeline through the plate heat exchanger 4, the heat obtained in the waste heat energy storage circulation pipeline is transferred with the soil 10 through the energy storage buried pipe 5, and the heat is conveyed and stored in the soil 10. Meanwhile, when the ground source heat pump host 9 operates to heat, the ground heat exchanger 7 communicated with the ground source heat pump host 9 continuously absorbs heat from the soil 10, so that the operating efficiency and stability of the ground source heat pump can be effectively ensured, and the balance of the underground temperature of the soil can be kept.
In another kind of technical scheme, energy storage ground pipe laying 5 is including two parallelly responsible pipes 11, with two be responsible for 11 intercommunications and a plurality of cooling tubes 12 of parallelly connected setting of being responsible for, cooling tube 12 is the U type pipe that is formed by first riser portion 13, bent pipe portion 14, the 15 integrated into one piece of second riser portion, first riser portion 13 second riser portion 15 is a plurality of straight tube portion 16 and a plurality of bulb portion 17 interval arrangement and constitutes, the position of a plurality of straight tube portion 16 on the first riser portion 13 with the position one-to-one of a plurality of bulb portion 17 on the second riser portion 15. The heat exchange area between the energy storage buried pipe 5 and the soil 10 is increased, the energy storage efficiency is improved, and the arrangement mode of the straight pipe parts 16 and the spherical pipe parts 17 on the radiating pipe 12 enables the heat in the soil 10 to be stored more uniformly.
In another technical scheme, two adjacent radiating pipes 12 are taken as a group, a plurality of steel wire meshes which are parallel to each other are arranged between the two radiating pipes 12 in each group, and each steel wire mesh comprises a pair of main steel wires of which two ends are respectively connected with one straight pipe part 16 and one spherical pipe part 17 and a plurality of connecting steel wires which are fixed between the pair of main steel wires and are parallel to each other. The heat accessible wire net of cooling tube 12 exchanges with soil 10, and the heat transfer area increase of energy storage buried pipe 5 and soil 10 has further improved energy storage efficiency.
In another technical solution, the inner diameter of the straight pipe portion 16 is half of the maximum inner diameter of the bulb-shaped pipe portion 17, and the length of the straight pipe portion 16 is equal to the maximum outer diameter of the bulb-shaped pipe portion 17. The circulation speed of water in the energy storage buried pipe 5 is reasonable, and the energy storage efficiency is favorably ensured.
In another technical scheme, the distance between two adjacent radiating pipes 12 is 3 to 5 times of the maximum outer diameter of the bulb part 17. The interval of the radiating pipes 12 on the energy storage buried pipe 5 is reasonable, and the energy storage efficiency is further ensured.
In another technical scheme, a plurality of capillary network heat exchangers 2 are arranged in parallel, so that the recovery efficiency of the waste heat on the photovoltaic cell panel 1 is effectively improved.
While the embodiments of the invention have been described above, it is not intended to be limited to the details shown, or described, but rather to cover all modifications, which would come within the scope of the appended claims, and all changes which come within the meaning and range of equivalency of the art are therefore intended to be embraced therein.
Claims (6)
1. Photovoltaic waste heat recovery energy storage system, its characterized in that includes:
the waste heat recovery unit comprises a plurality of photovoltaic cell panels, a plurality of capillary network heat exchangers, plate heat exchangers and a recovery circulating pump, wherein the photovoltaic cell panels are arranged side by side, a capillary network heat exchanger is arranged on the backlight surface of one photovoltaic cell panel, the capillary network heat exchangers are communicated with one flow channel of the plate heat exchangers, and the recovery circulating pump is arranged on the flow channel;
the energy storage buried pipe is buried in soil and communicated with the rest one flow passage of the plate heat exchanger, and an energy storage circulating pump is arranged on the rest one flow passage;
the waste heat utilization unit comprises a ground source heat pump host and a ground heat exchanger which is buried in soil and communicated with the ground source heat pump host, the ground heat exchanger is arranged adjacent to the energy storage ground pipe, and a heating circulating pump is arranged on a pipeline communicated with the ground heat exchanger and the ground source heat pump host.
2. The photovoltaic waste heat recovery and energy storage system of claim 1, wherein the energy storage buried pipe comprises two main pipes which are parallel to each other, and a plurality of radiating pipes which are communicated with the two main pipes and are arranged in parallel, the radiating pipes are U-shaped pipes formed by integrally forming a first vertical pipe portion, a bent pipe portion and a second vertical pipe portion, the first vertical pipe portion and the second vertical pipe portion are formed by arranging a plurality of straight pipe portions and a plurality of spherical pipe portions at intervals, and the positions of the plurality of straight pipe portions on the first vertical pipe portion correspond to the positions of the plurality of spherical pipe portions on the second vertical pipe portion in a one-to-one manner.
3. The photovoltaic waste heat recovery and energy storage system as claimed in claim 2, wherein two adjacent heat dissipation pipes are grouped, a plurality of steel wire meshes which are parallel to each other are arranged between the two heat dissipation pipes in each group, and each steel wire mesh comprises a pair of main steel wires of which two ends are respectively connected with one straight pipe part and one spherical pipe part, and a plurality of connecting steel wires which are fixed between the pair of main steel wires and are parallel to each other.
4. The photovoltaic waste heat recovery and energy storage system of claim 2, wherein the inner diameter of the straight pipe portion is half of the maximum inner diameter of the spherical pipe portion, and the length of the straight pipe portion is equal to the maximum outer diameter of the spherical pipe portion.
5. The photovoltaic waste heat recovery and energy storage system as claimed in claim 2, wherein the distance between two adjacent heat dissipation pipes is 3-5 times of the maximum outer diameter of the spherical pipe portion.
6. The photovoltaic waste heat recovery and energy storage system of claim 1, wherein a plurality of capillary network heat exchangers are arranged in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020106072.5U CN211695100U (en) | 2020-01-17 | 2020-01-17 | Photovoltaic waste heat recovery energy storage system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020106072.5U CN211695100U (en) | 2020-01-17 | 2020-01-17 | Photovoltaic waste heat recovery energy storage system |
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| Publication Number | Publication Date |
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| CN211695100U true CN211695100U (en) | 2020-10-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020106072.5U Active CN211695100U (en) | 2020-01-17 | 2020-01-17 | Photovoltaic waste heat recovery energy storage system |
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| CN (1) | CN211695100U (en) |
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2020
- 2020-01-17 CN CN202020106072.5U patent/CN211695100U/en active Active
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