CN106839522B - System for cooling solar cell panel and exchanging heat with seawater in parallel in power plant - Google Patents
System for cooling solar cell panel and exchanging heat with seawater in parallel in power plant Download PDFInfo
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- CN106839522B CN106839522B CN201710004647.5A CN201710004647A CN106839522B CN 106839522 B CN106839522 B CN 106839522B CN 201710004647 A CN201710004647 A CN 201710004647A CN 106839522 B CN106839522 B CN 106839522B
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- 239000013535 sea water Substances 0.000 title claims abstract description 60
- 238000001816 cooling Methods 0.000 title claims abstract description 23
- 239000000498 cooling water Substances 0.000 claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 199
- 239000011449 brick Substances 0.000 claims description 32
- 238000007789 sealing Methods 0.000 claims description 19
- 238000005260 corrosion Methods 0.000 claims description 17
- 230000007797 corrosion Effects 0.000 claims description 17
- 239000010410 layer Substances 0.000 claims description 14
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 13
- 230000005540 biological transmission Effects 0.000 claims description 13
- 229910052802 copper Inorganic materials 0.000 claims description 13
- 239000010949 copper Substances 0.000 claims description 13
- 238000010521 absorption reaction Methods 0.000 claims description 8
- 239000004576 sand Substances 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 239000002356 single layer Substances 0.000 claims description 3
- 238000004321 preservation Methods 0.000 claims 1
- 239000002918 waste heat Substances 0.000 abstract description 5
- 239000012535 impurity Substances 0.000 description 12
- 230000007246 mechanism Effects 0.000 description 12
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 7
- 238000007790 scraping Methods 0.000 description 5
- 238000009833 condensation Methods 0.000 description 4
- 230000005494 condensation Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000007599 discharging Methods 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 239000010865 sewage Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 241000195493 Cryptophyta Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000010908 plant waste Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B30/00—Heat pumps
- F25B30/06—Heat pumps characterised by the source of low potential heat
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28B—STEAM OR VAPOUR CONDENSERS
- F28B9/00—Auxiliary systems, arrangements, or devices
- F28B9/04—Auxiliary systems, arrangements, or devices for feeding, collecting, and storing cooling water or other cooling liquid
- F28B9/06—Auxiliary systems, arrangements, or devices for feeding, collecting, and storing cooling water or other cooling liquid with provision for re-cooling the cooling water or other cooling liquid
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28B—STEAM OR VAPOUR CONDENSERS
- F28B9/00—Auxiliary systems, arrangements, or devices
- F28B9/08—Auxiliary systems, arrangements, or devices for collecting and removing condensate
-
- 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
- H02S40/40—Thermal components
- H02S40/42—Cooling means
- H02S40/425—Cooling means using a gaseous or a liquid coolant, e.g. air flow ventilation, water circulation
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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
- H02S40/40—Thermal components
- H02S40/44—Means to utilise heat energy, e.g. hybrid systems producing warm water and electricity at the same time
-
- 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
-
- 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
- Y02E10/60—Thermal-PV hybrids
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
Abstract
A parallel solar cell panel cooling and seawater heat exchange system for a power plant belongs to the field of power plants, and aims to recover waste heat of the power plant and improve the efficiency of a solar cell panel.
Description
Technical Field
The invention belongs to the field of power plants, and relates to a system for cooling a solar cell panel and exchanging heat with seawater in parallel for power plants.
Background
Current power plant mainly includes thermal power plant, nuclear power plant etc. and uses solar energy comparatively generally in the power plant, and the temperature has comparatively outstanding influence to solar cell panel's generating efficiency, and the higher panel efficiency that leads to of solar cell panel temperature coefficient descends, when solar cell panel high temperature, can use the cooling water to its cooling processing.
The power plant also needs to use cooling water to cool steam, -like power plant cooling water comes from a cooling tower, offshore power plants can directly introduce seawater as cooling water to cool steam so as to achieve the purpose of local material utilization, condensation of the seawater can increase self heat, for example, in winter, the temperature of the seawater subjected to condensation can reach about 18 ℃, -like power plants can return the part of seawater to the sea, however, the mode can cause seawater heat pollution, and the heat of the power plant is wasted.
There will typically be a house or building in the vicinity of the discharge that has a demand for this heat, which if used, will both avoid thermal pollution and improve energy use.
However, the open channel of a thermal power plant is away from the sea, and the residence or building with heat demand is also more distributed near the discharge water, preferably during the flow of seawater, so that different users can obtain heat nearby.
In the process of discharging seawater into the sea, impurities in the seawater or impurities entering in the discharging process, such as silt, algae, fallen leaves, garbage and the like, can seriously affect heat exchange and consume heat exchange consumables.
The seawater is introduced into the power plant as cooling water, so that the solar cell panel can be cooled, the heat can be exchanged to recover waste heat of the power plant, and the integration of seawater introduction, condensation, heat exchange and cooling has a good effect.
Disclosure of Invention
In order to solve the problems, the invention provides parallel solar panel cooling and seawater heat exchange systems for power plants, so that waste heat of the power plants is recovered, and the efficiency of the solar panels is improved.
In order to achieve the purpose, the invention provides the following technical scheme that the system for cooling the solar cell panel and exchanging heat with seawater in parallel in the power plant comprises a closed channel, wherein the closed channel is provided with an inclined flat-plate-type upper cover, the outer surface of the upper cover is paved with a heat-insulating layer, a plurality of condensed water drainage channels are arranged on the closed channel along the inclined direction of the upper cover, each drainage channel is converged in a water guide groove arranged at the inclined bottom edge of the upper cover, two ends of the closed channel are provided with seals , the water guide grooves extend out from a seal , a water inlet is arranged on a side seal and is provided with a filter screen, and the inclined angle of the inclined flat-plate-type upper cover;
groups of U-shaped PE medium water return pipes are laid on the horizontal lower cover of the ditch, the PE medium water return pipes of the U-shaped PE medium water return pipes are uniformly distributed in a semi-surrounding mode, sand is filled in gaps to be dense, circulating pumps are installed on the PE medium water return pipes and communicated with a medium water storage tank, and control valves are installed on the communicating pipelines;
the seawater serving as cooling water exchanges heat with a steam turbine condenser of a thermal power plant, the seawater after heat exchange enters from a side seal of and exchanges heat with intermediate water in a PE intermediate water return pipe in the closed ditch, layers of water permeable bricks are covered on the upper layer of the PE intermediate water return pipe, the water permeable bricks are laid obliquely, a drain ditch is dug near the water permeable bricks at the lowest oblique position, the water permeable bricks at the lowest oblique position are communicated with the drain ditch, the laying oblique direction of the upper cover and the water permeable bricks is equal, and the oblique angle of the water permeable bricks is 7-12 degrees;
the corrosion-resistant net is laid on the upper layer of the water permeable brick, the corrosion-resistant net is a single-layer steel wire net, and the net wires are transversely, longitudinally, vertically, crossly and uniformly distributed, a driving roller and a driven roller are arranged on supporting frames of left and right side seals , a transmission chain is respectively connected with the front end of the driving roller and the front end of the driven roller, a second transmission chain is respectively connected with the rear end of the driving roller and the rear end of the driven roller so as to enable the driving roller to be linked with the driven roller, the corrosion-resistant net covers a transmission chain or the second transmission chain, or two supporting frames of the two side seals are provided with outer net shoveling knives;
the row ditch is provided with a scraper, and a track for the scraper to advance is paved in the row ditch;
the th water pipe and the second water pipe at the non-U-shaped end of the PE intermediary water return pipe extend out of the side seal , the th water pipe is connected with the water outlet end of the heat pump unit evaporator, the second water pipe is connected with the water inlet end of the heat pump unit evaporator, the water outlet end of the condenser of the heat pump unit is connected with the third water pipe, and the water inlet end of the condenser is connected with the fourth water pipe;
the channel for introducing seawater is communicated with a solar cell panel cooling system, the cooling system comprises a solar cell panel and a porous water absorption core body in contact with the solar cell panel, the solar cell panel is fixedly connected with ends of a plurality of copper pipes, the copper pipes are embedded in the porous water absorption core body, water through holes are formed in the copper pipes, the other ends of the copper pipes are gathered in water through pipes, the water through pipes are communicated with a water tank, the water tank is located at a position higher than the solar cell panel, and a water storage tank for introducing seawater is higher than the water tank and supplies water for the water tank.
The solar power plant waste heat recovery system has the advantages that the seawater used as cooling water is used for exchanging heat with steam, the seawater with increased heat is not directly discharged but exchanges heat with intermediate water to recover waste heat of the power plant, the seawater is filtered by the scheme, heat exchange efficiency of seawater heat exchange is improved, service life of consumables is prolonged, condensate water generated by steam is recycled to form an type process of heat exchange and purification, and the seawater cooling water is also used for cooling a solar cell panel to improve efficiency of the solar cell panel.
Drawings
FIG. 1 is a schematic diagram of the system of the present invention;
FIG. 2 is a schematic diagram of another configurations of the system of the present invention;
FIG. 3 is a schematic view of a corrosion resistant mesh transmission configuration;
FIG. 4 is a schematic diagram of the results of a solar panel cooling system;
FIG. 5 is a schematic illustration of the method described in the examples;
fig. 6 is a block diagram of the system.
1. The device comprises an upper cover, 2 parts of a water guide groove, 3 parts of a PE fresh water return pipe, 4 parts of water permeable bricks, 5 parts of a corrosion-resistant net, 6 parts of a driving roller, 7 parts of a driven roller, 8 parts of an th transmission chain, 9 parts of the corrosion-resistant net, 10 parts of a motor, 11 parts of the corrosion-resistant net and 12 parts of a second transmission chain.
Detailed Description
This embodiment provides examples to further illustrate the invention at step .
In embodiments, as a system for cooling and heat exchanging a solar panel and seawater used in a power plant in parallel in a large number of winter, the system comprises a closed channel, wherein the closed channel is provided with an inclined flat upper cover 1, an insulating layer is laid on the outer surface of the upper cover 1, a plurality of condensed water drainage channels are formed in the inclined direction of the upper cover 1, the drainage channels are converged in a water guide groove 2 arranged at the inclined bottom edge of the upper cover 1, seals are arranged at two end parts of the closed channel, the water guide groove 2 extends out of the seal , during heat exchanging, a large amount of water vapor is condensed in the upper cover 1, which is generally regarded as recoverable condensed water, for recycling of the condensed water, the upper cover 1 is provided with a flat inclined upper cover 1, a plurality of condensed water drainage channels are formed, the condensed water condensed in the upper cover 1 is drained by gravity, and the condensed water is converged in the water guide groove 2 at the inclined bottom edge of the upper cover 1, so that the paved condensed water is collected, the condensed water is not easily recovered, so that the condensed water is not easily frozen in a season, the freezing of a large amount of condensed water, and the condensed water is collected in a clean water collection process, the inclined water collection process of the inclined water collection of the inclined flat upper cover, which is not easily-collected condensed water collection of the condensed water is carried out condensed water collection of the inclined flat upper cover, which is carried out condensed water collection, which is carried out condensed, which is carried out, the inclined angle is regarded as no ten thousand-off, the inclination angle is regarded as no matter of the clarified, the inclination angle of the clarified condensation, the inclination angle of the inclination.
In the system, a water inlet of seawater which flows into the water storage tank after th heat exchange is arranged on a side seal and is provided with a filter screen to filter large articles such as garbage and the like which fall into the seawater after th heat exchange in the process of discharging and flowing, groups of U-shaped PE intermediate water return pipes 3 are laid on a horizontal lower cover of the ditch, the PE intermediate water return pipes 3 of the groups are uniformly distributed in a semi-surrounding mode, sand is filled in gaps to be compact, circulating pumps are arranged on the PE intermediate water return pipes 3 and are communicated with an intermediate water storage tank, a control valve is arranged on a communicating pipeline, intermediate water which flows in the U-shaped PE intermediate water return pipes 3 in a circulating mode can be directly from tap water, and when needed, the intermediate water in the PE intermediate water return pipes 3 can be supplemented by water in the water storage tank.
Seawater as cooling water exchanges heat with a steam turbine condenser of a thermal power plant, the seawater after heat exchange enters from a seal at the side, exchanges heat with intermediate water in a PE intermediate water return pipe 3 in the closed ditch, and carries out lower rounds of heat exchange on the heat through a heat pump unit to be supplied to plants or houses at two sides of the ditch, so that even though users are dispersed, the heat can be supplied to each dispersed user to achieve the purpose of obtaining the heat nearby because the discharged seawater is in a flowing state along a discharge channel, the U-shaped PE intermediate water return pipe 3 is compacted by sand, the pipe plays a role of a fixed pipe, in addition, , the heat transfer of the sand is good and is suitable for heat exchange, and if the sand is not used, easily bonded impurities are adsorbed on the pipe for a long time, and the heat exchange efficiency is certainly greatly influenced.
seawater after heat exchange enters from side seal , heat exchange with medium water in PE medium water return pipe 3 is performed in the closed ditch, layer of water permeable bricks 4 are covered on the upper layer of PE medium water return pipe 3, the water permeable bricks 4 are laid obliquely, a drain ditch is dug near the water permeable bricks 4 positioned at the lowest position of the inclination, the water permeable bricks 4 positioned at the lowest position of the inclination are communicated with the drain ditch, the drain ditch is provided with scrapers, tracks for the scrapers to run are laid in the drain ditch, the laying oblique direction of the upper cover 1 and the water permeable bricks 4 is caused, the water permeable bricks 4 are used for filtering by layer between U-shaped PE medium water return pipe 3 and the inlet water, so that water can exchange heat through the water permeable bricks 4 and impurities are filtered by the water permeable bricks 4, in order to avoid the adhesion of the water permeable bricks 4 being adhered by impurities, the impurities are set obliquely, so that the impurities slide down into the drain ditch under the action of gravity, the water permeable bricks 4 can be regularly cleaned, and the impurities can be cleaned, the cleaning efficiency can be controlled, the drain ditch is preferably controlled by a larger inclination angle of a seawater brick, the inclination angle of a seawater brick laid brick, the drain ditch is controlled, the inclination angle is increased when the temperature of the water outlet is found to be more easily reduced when the water outlet of the water outlet trench 12, the water outlet of the water outlet ditch 2, the water outlet of the water outlet ditch 4, the water outlet of the water of the sewage outlet ditch is increased, the sewage outlet of a sewage outlet of the sewage.
However, in practice, it is found that only the water permeable bricks 4 are used for filtering, in many times, it is found that the service time of the water permeable bricks 4 is still not ideal, in order to increase the service time of the water permeable bricks 4 and to improve the filtering effect and heat exchange efficiency, the corrosion-resistant net 5 is laid on the upper layer of the water permeable bricks 4, the corrosion-resistant net 5 is a single-layer steel wire net or a multi-layer steel wire net, the wires are uniformly arranged in a transverse and longitudinal and vertical crossing manner, the driving roller 6 and the driven roller 7 are installed on the supporting frames of the left and right sealing , the driving chain 8 is respectively connected with the front end of the driving roller 6 and the front end of the driven roller 7, the second driving chain 12 is respectively connected with the rear end of the driving roller 6 and the rear end of the driven roller 7, so that the driving roller 6 and the driven roller 7 are linked, the corrosion-resistant net 5 covers the driving chain 8 or the second driving chain 12, so that the corrosion-resistant net 5 is circularly driven, impurities are adhered to the steel wire net, and the impurities are adhered to the sealing net, and the sealing net is adhered to the outer side of the sealing net collecting space, and the collecting space is located outside the collecting space is located on the sealing shovel mechanism (for example, the sealing shovel mechanism is located inside the sealing shovel mechanism is located on the sealing space, the sealing shovel is located on the sealing space, the sealing mechanism, namely, the collecting space is located on the sealing shovel mechanism, the sealing shovel mechanism is located on the sealing mechanism, the scraping mechanism is located on the scraping mechanism, the scraping mechanism is located on the scraping mechanism, and the scraping mechanism.
th water pipe and second water pipe at the non-U-shaped end of PE intermediary water return pipe 3 are extended out from side seal , th water pipe is connected with the water outlet end of the heat pump unit evaporator, the second water pipe is connected with the water inlet end of the heat pump unit evaporator, the water outlet end of the condenser of the heat pump unit is connected with the third water pipe, and the water inlet end of the condenser is connected with the fourth water pipe.
In this embodiment, the evaporator of the heat pump unit is used as a reference, high-temperature water enters the evaporator, namely the second pipe is a high-temperature water pipe, low-temperature water flows out of the evaporator, namely the th pipe is a low-temperature water pipe, similarly, the condenser of the heat pump unit is used as a reference, low-temperature water enters the condenser, namely the fourth pipe is a low-temperature water pipe, high-temperature water is reserved in the condenser, namely the third pipe is a high-temperature water pipe, and the condenser outputs heat generated after heat exchange of the th sea water and intermediate water is conducted with heat exchange so as to supply warm water of a factory building and a house for heat exchange, and therefore waste heat of the power plant is recovered.
In the embodiment, a channel for introducing seawater is communicated with a solar panel cooling system, the cooling system comprises a solar panel and a porous water absorption core body in contact with the solar panel, the solar panel is fixedly connected with ends of a plurality of copper pipes, the copper pipes are embedded in the porous water absorption core body, water through holes are formed in the copper pipes, the other ends of the copper pipes are gathered in a water through pipe, the water through pipe is communicated with a water tank, the water tank is located at a position higher than the solar panel, a water storage tank for introducing seawater is higher than the water tank and supplies water to the water tank, the water storage tank for introducing seawater supplies water to the water tank, the water supply amount can be controlled, buffering is formed, the seawater enters the porous water absorption core body through the copper pipes, and the seawater is used as cooling water to cool the solar panel.
In the embodiment, the solar panel cooling system is not frequently used in winter and is frequently used in summer, so that the electromagnetic valve is arranged in the communication pipeline of the water tank to control the flow and start and stop.
In examples, all equipment, components, etc. in contact with the seawater were corrosion resistant.
As embodiments, the method for cooling down solar panels and exchanging heat with seawater in parallel power plants comprises the following steps:
s1, excavating an open channel from a thermal power plant to the sea, wherein the open channel comprises a seawater introducing channel and a seawater discharging channel;
s2, installing a solar cell panel cooling and seawater heat exchange system parallel to the power plant in a selected part of canal sections in the seawater discharge channel, introducing seawater serving as cooling water through a seawater introduction channel, dividing the seawater into two paths, periodically supplying the seawater to a porous water absorption core body in paths, cooling the solar cell panel, exchanging heat between the seawater and a turbine condenser in another path to liquefy steam, wherein the heat exchange is heat exchange, and guiding the seawater subjected to heat exchange to the seawater discharge channel;
s3, carrying out secondary heat exchange on the intermediate water (about 10 ℃) flowing in the PE intermediate water return pipe and the th heat-exchanged seawater entering the closed channel, so as to improve the temperature of the intermediate water (about 15 ℃), wherein the heated intermediate water forms a heat exchange cycle with the heat demand device through a heat pump unit;
in the second heat exchange process, the evaporation steam of the seawater subjected to th heat exchange is condensed on the inclined upper cover of the closed ditch and enters the water guide groove along the condensed water drainage channel to collect purified water, the corrosion-resistant net performs circulating transmission filtration, impurities bonded on the corrosion-resistant net are shoveled by the outer net shovel blade in the transmission process, and the impurities in the drainage ditch are periodically scraped by the scraper blade.
The above description is only for the purpose of creating a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution and the inventive concept of the present invention within the technical scope of the present invention.
Claims (1)
- The system for cooling the solar cell panel and exchanging heat with seawater in parallel in the power plant of species is characterized by comprising a closed channel, wherein the closed channel is provided with an inclined flat-plate-type upper cover (1), a heat preservation layer is paved on the outer surface of the upper cover (1), a plurality of condensed water drainage channels are arranged on the upper cover along the inclined direction of the upper cover (1), each drainage channel is converged in a water guide groove (2) arranged at the inclined bottom edge of the upper cover (1), sealing is arranged at two end parts of the closed channel, the water guide grooves (2) extend out from a sealing , a water inlet is arranged on a sealing at the side and is provided with a filter screen, and the inclined angle of the inclined flat-plate-type upper cover (1) is 5-10 degrees;groups of U-shaped PE medium water return pipes (3) are laid on the horizontal lower cover of the ditch, the PE medium water return pipes (3) of the group are uniformly distributed in a semi-surrounding mode, sand is filled in gaps to be dense, circulating pumps are installed on the PE medium water return pipes (3), the PE medium water return pipes are communicated with a medium water storage tank, and control valves are installed on the communicating pipelines;the seawater serving as cooling water exchanges heat with a steam turbine condenser of a thermal power plant, the seawater after heat exchange enters from a side seal of and exchanges heat with intermediate water in a PE intermediate water return pipe (3) in the closed ditch, layers of water permeable bricks (4) are covered on the upper layer of the PE intermediate water return pipe (3), the water permeable bricks (4) are obliquely laid, a drain ditch is dug near the water permeable brick (4) positioned at the lowest inclined position, the water permeable brick (4) positioned at the lowest inclined position is communicated with the drain ditch, the laying inclination direction of the upper cover (1) and the water permeable brick (4) is equal, and the inclination angle of the water permeable brick is 7-12 degrees;the corrosion-resistant net (5) is laid on the upper layer of the water permeable brick (4), the corrosion-resistant net (5) is a single-layer steel wire net, the net wires are transversely, longitudinally, vertically and uniformly distributed in a crossed mode, a driving roller (6) and a driven roller (7) are installed on supporting frames of sealing on the left side and the right side, a transmission chain (8) is respectively connected with the front end of the driving roller (6) and the front end of the driven roller (7), a second transmission chain (12) is respectively connected with the rear end of the driving roller (6) and the rear end of the driven roller (7), so that the driving roller (6) is in linkage with the driven roller (7), the corrosion-resistant net (5) covers the transmission chain (8) or the second transmission chain (12), or two of the supporting frames of the sealing on the two sides are provided with outer net knives;the row ditch is provided with a scraper, and a track for the scraper to advance is paved in the row ditch;the th water pipe and the second water pipe at the non-U-shaped end of the PE intermediate water return pipe (3) extend out of the side seal , the th water pipe is connected with the water outlet end of the heat pump unit evaporator, the second water pipe is connected with the water inlet end of the heat pump unit evaporator, the water outlet end of the condenser of the heat pump unit is connected with the third water pipe, and the water inlet end of the condenser is connected with the fourth water pipe;the channel for introducing seawater is communicated with a solar cell panel cooling system, the cooling system comprises a solar cell panel and a porous water absorption core body in contact with the solar cell panel, the solar cell panel is fixedly connected with ends of a plurality of copper pipes, the copper pipes are embedded in the porous water absorption core body, water through holes are formed in the copper pipes, the other ends of the copper pipes are gathered in water through pipes, the water through pipes are communicated with a water tank, the water tank is located at a position higher than the solar cell panel, and a water storage tank for introducing seawater is higher than the water tank and supplies water for the water tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710004647.5A CN106839522B (en) | 2017-01-04 | 2017-01-04 | System for cooling solar cell panel and exchanging heat with seawater in parallel in power plant |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710004647.5A CN106839522B (en) | 2017-01-04 | 2017-01-04 | System for cooling solar cell panel and exchanging heat with seawater in parallel in power plant |
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| CN106839522A CN106839522A (en) | 2017-06-13 |
| CN106839522B true CN106839522B (en) | 2020-01-31 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3634102A1 (en) * | 1986-10-07 | 1988-04-21 | Volkrodt Wolfgang | Solar pontoon (barge) having sea water cooling |
| CN101886884A (en) * | 2010-06-02 | 2010-11-17 | 上海迪吉特控制系统有限公司 | Circulating cooling water solar energy saving and controlling device for coal-based power plant |
| CN203522640U (en) * | 2013-08-29 | 2014-04-02 | 福建申德光伏系统有限公司 | Circulating water cooling photovoltaic power station |
| CN204633672U (en) * | 2015-04-28 | 2015-09-09 | 天津九河金舸船业股份有限公司 | A kind of marine solar energy photovoltaic generator |
-
2017
- 2017-01-04 CN CN201710004647.5A patent/CN106839522B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3634102A1 (en) * | 1986-10-07 | 1988-04-21 | Volkrodt Wolfgang | Solar pontoon (barge) having sea water cooling |
| CN101886884A (en) * | 2010-06-02 | 2010-11-17 | 上海迪吉特控制系统有限公司 | Circulating cooling water solar energy saving and controlling device for coal-based power plant |
| CN203522640U (en) * | 2013-08-29 | 2014-04-02 | 福建申德光伏系统有限公司 | Circulating water cooling photovoltaic power station |
| CN204633672U (en) * | 2015-04-28 | 2015-09-09 | 天津九河金舸船业股份有限公司 | A kind of marine solar energy photovoltaic generator |
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| CN106839522A (en) | 2017-06-13 |
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