CN108194292A - Solar energy Stirling photo-thermal power generation utilizes system with sea water desalination thermoelectricity synergistic combination - Google Patents
Solar energy Stirling photo-thermal power generation utilizes system with sea water desalination thermoelectricity synergistic combination Download PDFInfo
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- CN108194292A CN108194292A CN201711475396.5A CN201711475396A CN108194292A CN 108194292 A CN108194292 A CN 108194292A CN 201711475396 A CN201711475396 A CN 201711475396A CN 108194292 A CN108194292 A CN 108194292A
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- heat exchanger
- heat
- solar energy
- oil
- power generation
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- 238000010612 desalination reaction Methods 0.000 title claims abstract description 41
- 239000013535 sea water Substances 0.000 title claims abstract description 38
- 238000010248 power generation Methods 0.000 title claims abstract description 34
- 239000011885 synergistic combination Substances 0.000 title claims abstract description 24
- 230000005619 thermoelectricity Effects 0.000 title claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 49
- 238000001704 evaporation Methods 0.000 claims abstract description 32
- 230000008020 evaporation Effects 0.000 claims abstract description 31
- 239000000446 fuel Substances 0.000 claims abstract description 28
- 230000005855 radiation Effects 0.000 claims abstract description 20
- 238000004821 distillation Methods 0.000 claims abstract description 5
- 230000000694 effects Effects 0.000 claims description 18
- 229920006395 saturated elastomer Polymers 0.000 claims description 8
- 238000012546 transfer Methods 0.000 claims description 4
- 230000002045 lasting effect Effects 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 230000009471 action Effects 0.000 claims description 2
- 239000003921 oil Substances 0.000 description 37
- 239000000919 ceramic Substances 0.000 description 11
- 229910001220 stainless steel Inorganic materials 0.000 description 11
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- 238000013461 design Methods 0.000 description 2
- 239000012153 distilled water Substances 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
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- 238000010521 absorption reaction Methods 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 239000012267 brine Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
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- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 239000008236 heating water Substances 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
- F03G6/00—Devices for producing mechanical power from solar energy
- F03G6/06—Devices for producing mechanical power from solar energy with solar energy concentrating means
- F03G6/068—Devices for producing mechanical power from solar energy with solar energy concentrating means having other power cycles, e.g. Stirling or transcritical, supercritical cycles; combined with other power sources, e.g. wind, gas or nuclear
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
- C02F1/14—Treatment of water, waste water, or sewage by heating by distillation or evaporation using solar energy
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02G—HOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS; USE OF WASTE HEAT OF COMBUSTION ENGINES; NOT OTHERWISE PROVIDED FOR
- F02G1/00—Hot gas positive-displacement engine plants
- F02G1/04—Hot gas positive-displacement engine plants of closed-cycle type
- F02G1/043—Hot gas positive-displacement engine plants of closed-cycle type the engine being operated by expansion and contraction of a mass of working gas which is heated and cooled in one of a plurality of constantly communicating expansible chambers, e.g. Stirling cycle type engines
- F02G1/053—Component parts or details
- F02G1/055—Heaters or coolers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02G—HOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS; USE OF WASTE HEAT OF COMBUSTION ENGINES; NOT OTHERWISE PROVIDED FOR
- F02G1/00—Hot gas positive-displacement engine plants
- F02G1/04—Hot gas positive-displacement engine plants of closed-cycle type
- F02G1/043—Hot gas positive-displacement engine plants of closed-cycle type the engine being operated by expansion and contraction of a mass of working gas which is heated and cooled in one of a plurality of constantly communicating expansible chambers, e.g. Stirling cycle type engines
- F02G1/053—Component parts or details
- F02G1/057—Regenerators
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/08—Seawater, e.g. for desalination
-
- 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
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
-
- 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
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/138—Water desalination using renewable energy
- Y02A20/142—Solar thermal; Photovoltaics
-
- 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
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/20—Controlling water pollution; Waste water treatment
- Y02A20/208—Off-grid powered water treatment
- Y02A20/212—Solar-powered wastewater sewage treatment, e.g. spray evaporation
-
- 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
- Y02E10/46—Conversion of thermal power into mechanical power, e.g. Rankine, Stirling or solar thermal engines
Abstract
The invention discloses a kind of solar energy Stirling photo-thermal power generations and sea water desalination thermoelectricity synergistic combination to utilize system.The system includes optically focused dish stand and the solar energy Stirling engine for power generation, and the appropriate location of dish stand cantilever is provided with heat-condutive oil heat exchanger.The same time receives the sun reflected radiation from dish stand, normal operation input-power generation or heat exchange by the one party in the heat exchanger and Stirling engine.The working condition of this two side can switch at any time.The heat-condutive oil heat exchanger can move above dish stand cantilever, with the switching of cooperating state.When heat-condutive oil heat exchanger is devoted oneself to work, Stirling-electric hybrid will be out of service.Solar radiation heat is delivered to, and be stored in fuel reserve tank by the conduction oil circulated in heat exchanger by fuel reserve tank.This partial heat continuously generates the water vapour of assigned temperature pressure through oil-water evaporation heat exchanger again, and sea water desalination operation is carried out for multiple-effect distillation device.
Description
Technical field
The present invention relates to solar generator technical field of comprehensive utilization more particularly to a kind of solar energy Stirling photo-thermal power generations
System is utilized with sea water desalination thermoelectricity synergistic combination.
Background technology
The data of State Statistics Bureau show that the primary energy total quantity consumed of China alreadyd exceed the U.S. from 2011, into
For the first in the world energy-consuming big country.This brings great pressure to carbon dioxide discharge-reduction and improvement environmental quality.Make great efforts hair
Open up New Energy Industry based on solar energy, wind energy, push energetically every new technology research and development including solar thermal power generation including with
High-end product manufactures, and is the key that fundamentally to solve the problems, such as energy and environment and only way.
Stirling-electric hybrid is one of main solar thermal power plants, it is than existing other several solar power generation modes
The thermal efficiency all highers.Nonetheless, the total heat energy utilization rate of single power generation Stirling-electric hybrid is still not ideal enough.Thoroughly solve this
The approach of problem be generating function and solar thermal utilization reasonably, be efficiently combined within together.
The region extremely craved for distributed solar energy generation technology is often mostly that field, island, desert, borderland etc. are specific
Necessary not only for electric energy on area, especially island, fresh water is also most deficient resource, if so can utilize it is a set of too
It is positive can equipment realize and obtain electric power and fresh water simultaneously, can not only save construction cost, save space also be able to mitigate safeguard and
Operating cost has high practical value.
For these reasons, the present inventor has done depth to existing solar energy Stirling generation technology and desalination technology
Enter research, design a kind of solar energy Stirling photo-thermal power generation that can be solved the above problems and sea water desalination thermoelectricity synergistic combination
Utilize system.
Invention content
The present inventor designs the heat of a kind of solar energy Stirling photo-thermal power generation and sea water desalination to overcome the above problem
Electric synergistic combination utilizes system, which includes optically focused dish stand and solar energy Stirling engine-undertake electrical generation burden；In dish
The appropriate location of frame is additionally provided with the heat-condutive oil heat exchanger that can be moved forward and backward, and is being switched to heat-condutive oil heat exchanger operating mode
When, cantilever is moved it into close to the particular job position of Stirling-electric hybrid, is sheltered from optically focused dish stand and is reflected into Stirling-electric hybrid head
Radiations heat energy, at this moment solar energy Stirling engine do not work.By the conduction oil that circulates solar radiation heat from
Heat-condutive oil heat exchanger is transferred to fuel reserve tank, and is stored in fuel reserve tank, then the heat in fuel reserve tank is transported to grease through oil pump
Evaporating heat exchanger, heating water make it generate vapor, implement sea water desalination work in multiple effect distillator by the use of vapor as heat source
Industry.When Stirling-electric hybrid is needed to devote oneself to work, heat-condutive oil heat exchanger is moved adjacent to through guide rail the inoperative position of cantilever root
It puts, dish stand mirror surface focuses on Stirling head, it can be made to be rapidly achieved working condition；Thereby completing the present invention.
It is assisted in particular it is object of the present invention to provide a kind of solar energy Stirling photo-thermal power generation with sea water desalination thermoelectricity
With combination using system, the system include optically focused dish stand 1, heat-condutive oil heat exchanger 2, solar energy Stirling engine 3, fuel reserve tank 4,
Oil-water evaporation heat exchanger 5, steam-water separator 6 and desalination plant 7；
Wherein, solar energy Stirling engine 3 is mounted on the remote location of the dish stand cantilever 11 of optically focused dish stand 1,
The operating position of the heat-condutive oil heat exchanger 2 is closer to solar energy Stirling above the cantilever of optically focused dish stand 1
At the position of engine 3；
Wherein, sliding rail 12 is additionally provided on the cantilever of the optically focused dish stand 1, rack is provided on the sliding rail 12
13, for heat-condutive oil heat exchanger to be made to realize the reciprocating movement between operating position and off-position；
The heat-condutive oil heat exchanger 2 is placed in the drive system being made of the rack 13 and gear 21, the gear 21
It is driven by motor 22.
Wherein, when heat-condutive oil heat exchanger 2 is located at the operating position on dish stand cantilever 11, optically focused dish stand 1 will be blocked and reflected
To the radiation of solar energy Stirling engine 3, and the reflected radiation being absorbed, this is non-power generating pattern,
When heat-condutive oil heat exchanger 2 being moved to the inside of dish stand cantilever 11 close to the off-position of root, dish stand mirror
The reflection in face is focused on the heat absorption head of solar energy Stirling engine 3, this is power generation mode；At this moment positioned at off-position
Heat-condutive oil heat exchanger does not block reflected radiation of the optically focused dish stand 1 to Stirling-electric hybrid 3；
The fuel reserve tank 4 is connected by carrying the oil pipe of pump with heat-condutive oil heat exchanger 2, in non-power generating pattern, to incite somebody to action
Obtained solar radiation heat is transported in fuel reserve tank 4 in heat-condutive oil heat exchanger 2,
The fuel reserve tank 4 is connected respectively with heat-condutive oil heat exchanger 2 and oil-water evaporation heat exchanger 5,
The steam-water separator 6 is connected respectively with oil-water evaporation heat exchanger 5 and desalination plant 7.
The fuel reserve tank 4 is connected by carrying the oil pipe of pump with oil-water evaporation heat exchanger 5, is carried for oil-water evaporation heat exchanger 5
For lasting heat.
Wherein, oil-water evaporation heat exchanger 5 is used in the case where fuel reserve tank 4 provides lasting heat condition, is directly generated saturated water and is steamed
Vapour or output steam water interface.
Wherein, the steam-water separator 6 is used to isolate saturated vapor from the product of 5 output of oil-water evaporation heat exchanger,
And it is sent to desalination plant 7.
Wherein, the suction of oil-water evaporation heat exchanger 5 is delivered back into via water pump from the water of 6 bottom of steam-water separator outflow
Hot junction.
Wherein, the desalination plant 7 is effect distillation seawater desalinating device of multi, is used for through saturated vapor to seawater
Do desalt processing.
Advantageous effect includes possessed by the present invention：
(1) system is utilized according to solar energy Stirling photo-thermal power generation provided by the invention and sea water desalination thermoelectricity synergistic combination
The overall utilization of solar energy can be greatlyd improve；
(2) system is utilized according to solar energy Stirling photo-thermal power generation provided by the invention and sea water desalination thermoelectricity synergistic combination
It can be according to the requirement of specific user, reasonable distribution and the ratio of adjustment generated energy and fresh water yield, to meet specific occasion
Demand；
(3) system is utilized according to solar energy Stirling photo-thermal power generation provided by the invention and sea water desalination thermoelectricity synergistic combination
It can be adjusted flexibly according to user to the solar radiation resource situation of the specific needs of fresh water-electric load and locality and be
The configuration mode of system-such as double dish stands add double hotline heaters with separate unit Stirling-electric hybrid, it has good adaptability and pole
High practical value；
(4) solar energy Stirling photo-thermal power generation provided by the invention is had with sea water desalination thermoelectricity synergistic combination using system
Some fuel reserve tanks have the ability of storage certain amount heat, and maintain equably to export within a certain period of time.This is to solar energy
Good stabilization can be played by radiating possible fluctuation of instantaneous or short time.
Description of the drawings
Fig. 1 is shown according to a kind of solar energy Stirling photo-thermal power generation of preferred embodiment of the present invention and sea water desalination thermoelectricity
Synergistic combination utilizes overall system architecture schematic diagram；
Fig. 2 shows according to a kind of solar energy Stirling photo-thermal power generation of preferred embodiment of the present invention and sea water desalination thermoelectricity
Skid rail structure diagram used by synergistic combination utilizes heat-condutive oil heat exchanger in system and its moves back and forth；
Fig. 3 is shown according to a kind of solar energy Stirling photo-thermal power generation of preferred embodiment of the present invention and sea water desalination thermoelectricity
Synergistic combination utilizes the structure diagram of regenerator in solar energy Stirling engine in system；
Fig. 4 is shown according to a kind of solar energy Stirling photo-thermal power generation of preferred embodiment of the present invention and sea water desalination thermoelectricity
Synergistic combination utilizes the outline structural diagram of integral heater in system；
Fig. 5 is shown according to a kind of solar energy Stirling photo-thermal power generation of preferred embodiment of the present invention and sea water desalination thermoelectricity
Synergistic combination utilizes the minuteness passage schematic diagram of heater in system；
Fig. 6 is shown according to a kind of solar energy Stirling photo-thermal power generation of preferred embodiment of the present invention and sea water desalination thermoelectricity
Synergistic combination utilizes effect distillation seawater desalinating device of multi structure diagram in system.
Drawing reference numeral explanation：
1- optically focused dish stands
2- heat-condutive oil heat exchangers
3- solar energy Stirling engines
31- Thin Stainless Steel cake layers
32- ceramic fibre wafer layers
4- fuel reserve tanks
5- oil-water evaporation heat exchangers
6- steam-water separators
7- desalination plants
11- dish stand cantilevers
12- sliding rails
13- racks
21- gears
22- motors
81- upper plates
82- lower plates
83- micro-channels
84- upper header channels
85- lower collecting box channels
86- level-one connecting tubes
87- two level connecting tubes
Specific embodiment
Below by drawings and examples, the present invention is described in more detail.Pass through these explanations, the features of the present invention
It will be become more apparent from clearly with advantage.
Dedicated word " exemplary " means " being used as example, embodiment or illustrative " herein.Here as " exemplary "
Illustrated any embodiment should not necessarily be construed as preferred or advantageous over other embodiments.Although each of embodiment is shown in the drawings
In terms of kind, but unless otherwise indicated, it is not necessary to attached drawing drawn to scale.
System is utilized according to solar energy Stirling photo-thermal power generation provided by the invention and sea water desalination thermoelectricity synergistic combination, such as
Shown in Fig. 1 and Fig. 2, the system include optically focused dish stand 1, heat-condutive oil heat exchanger 2, solar energy Stirling engine 3, fuel reserve tank 4,
Oil-water evaporation heat exchanger 5, steam-water separator 6 and desalination plant 7；
Wherein, solar energy Stirling engine 3 is mounted on the remote location of the dish stand cantilever 11 of optically focused dish stand 1, solar energy
Heater on Stirling engine towards optically focused dish stand and receives mirror-reflection and the solar radiation focused on, the optically focused dish stand
1 is preferably capable the bi-directional tracking parabolic concentrator dish stand of tracking direction angle and elevation angle；
The heat-condutive oil heat exchanger 2 is arranged between optically focused dish stand 1 and solar energy Stirling engine 3, and can be
It is moved back and forth between operating position and off-position, can both be moved adjacent to the working position of solar energy Stirling engine 3
It puts, when exiting working condition, off-position of the optically focused dish stand 1 close to the root of dish stand cantilever 11 can also be moved to；
The fuel reserve tank 4 is respectively by being furnished with the pipeline of oil pump and 5 phase of heat-condutive oil heat exchanger 2 and oil-water evaporation heat exchanger
Even,
The steam-water separator 6 is connected respectively with oil-water evaporation heat exchanger 5 and desalination plant 7.
Heretofore described solar energy Stirling engine 3 can be solar energy Stirling hair commonly used in the prior art
Motivation or certain improved new architecture is done to solar energy Stirling engine in the prior art；
Preferably the solar energy Stirling engine includes in the present invention：Heater and regenerator, the heater and backheat
Device is not all recorded in the prior art；
Wherein, as shown in Figure 3, the regenerator includes the Thin Stainless Steel cake layer 31 of lamination and ceramic fibre wafer layers
32,
Wherein, the Thin Stainless Steel cake layer 31 and ceramic fibre wafer layers 32 are arranged alternately；Preferably, the Thin Stainless Steel
Cake layer and ceramic fibre wafer layers are all in round pie,
The diameter of Thin Stainless Steel cake layer 1 is more than the diameter of ceramic fibre wafer layers, so that ceramic fibre wafer layers are complete
It is covered by between Thin Stainless Steel cake layer.
Preferably, Thin Stainless Steel cake layer includes multilayer stainless steel cloth, and the thickness of each Thin Stainless Steel cake layer is 6~8mm.
Preferably, the mesh number of the stainless steel cloth is 200~300 mesh.
Preferably, the ceramic fibre wafer layers include 4~8 layers of ceramic fiber mesh.
Preferably, the mesh number of the ceramic fiber mesh is 100~250 mesh；The mesh number of ceramic silk screen can be with stainless steel
Silk screen is identical, can not also be identical.
Preferably, the overall thickness of the multiple ceramic fibre wafer layers is 1.5~2.5mm, more preferably 2mm.
Wherein, as shown in Figure 4, Figure 5, the heater includes four pieces in the fan-shaped heating unit of improvement, and the improvement is fan-shaped
Central angle be 90 degree；
Wherein, each heating unit all includes upper plate 81 and lower plate 82,
Semicircle conduit, the semicircle of upper plate 81 are all offered respectively at the top of the bottom of the upper plate 81 and lower plate 82
Conduit and the semicircle conduit of lower plate 82 are spliced into the rounded micro-channel 83 in section, and the upper plate and lower plate are all closed by high temperature
Golden plate is made；
The micro-channel 83 has a plurality of, and be connected in parallel to each other setting between a plurality of micro-channel 83；
Preferably, the upper plate and lower plate vacuum brazing are integrated.
Four pieces of identical heating units are connected by the road with the cylinder of Stirling engine and regenerator, with cooler one
And form four cylinder double acting Stirling power cycles.
In one preferred embodiment, multiple micro-channels in each heating unit are set parallel to each other, each
Micro-channel is all flat tube, is all located in approximately the same plane.
In one preferred embodiment, upper header is respectively arranged at each heating unit internal edge to lead to
Road 84 and lower collecting box channel 85,
Upper header channel 84 and lower collecting box channel 85 are all connected with each micro-channel 83 in the heating unit respectively；
Preferably, upper header channel is connected with regenerator shell；
Lower collecting box channel is connected with cylinder baffle, the flowing so that working medium moves in circles wherein；
It is further preferred that being connected with level-one connecting tube 86 below the upper header channel, the upper header channel leads to
It crosses the level-one connecting tube with regenerator shell to be connected, the level-one connecting tube has one or more；
Two level connecting tube 87 is connected with below the lower collecting box channel, the lower collecting box channel 5 passes through two cascade
It takes over and is connected with cylinder baffle, the two level connecting tube has one or more.
In one preferred embodiment, a diameter of 0.3mm~1mm of the micro-channel；Preferably 0.5~
0.6mm；
The equivalent diameter of the upper header channel and lower collecting box channel is 6~8mm.
In one preferred embodiment, the thickness of the upper plate is 2.5mm~4.0mm；Preferably 3.0~3.5mm,
Further preferably 3.1~3.2mm, the thickness cannot be excessive, otherwise influence heat-transfer effect, which can not mistake
It is small, it otherwise can not meet intensity requirement.
The thickness of the lower plate is 4mm~6mm, and the thickness of the lower plate can be more than the thickness of upper plate, lower plate
It need not consider heat-transfer effect, but the active force of bigger must be carried.
In one preferred embodiment, it is one group per 3~8 adjacent micro-channels in each heating unit,
It keeps closely-spaced between each parallel subtle runner, to arrange more subtle runners as possible, retains between group and group larger
Interval is also contemplated that influence of the heat expansion deformation for pipeline configuration to ensure enough soldering faying faces and weld strength,
So it is 1mm that gap is chosen between each adjacent micro-channel in each group in the present invention, the gap between two adjacent groups
For 3mm.
In one preferred embodiment, the fan-shaped standard sector and two triangles by central angle for 30 degree of the improvement
Shape is spliced, wherein, the triangle is all the right angled triangle that acute angle is 30 degree, the longest edge of triangle and the sector
Radius length it is equal.
In one preferred embodiment, as shown in Figure 2, sliding rail 12 is additionally provided on the optically focused dish stand 1,
Rack 13 is provided on the sliding rail 12；
It is provided in the bottom of the heat-condutive oil heat exchanger 2 and 13 meshed gears 21 of rack and the driving gear
The motor 22 of rotation, under the driving of motor, under the limiting of the sliding rail, the heat-condutive oil heat exchanger 2 can be along sliding rail
It is moved back and forth between operating position and off-position.
Preferably, when heat-condutive oil heat exchanger 2 is located at close to the operating position of the distal end of dish stand cantilever 11, optically focused dish has been blocked
The mirror-reflection of frame 1 and absorbs the radiation to the radiation of solar energy Stirling engine 3 under relatively low radiation intensity, at this time for
Non-power generating pattern also referred to as collects heat pattern or sea water desalination pattern in of the invention；
When heat-condutive oil heat exchanger 2 is located at close to the off-position of 11 root of dish stand cantilever, it is anti-that optically focused dish stand 1 will not be blocked
It penetrates to the radiation of solar energy Stirling engine 3, at this point, the reflection of dish stand minute surface is inhaled completely by solar energy Stirling engine 3
It receives, this is the power generation mode of this system, and solar energy Stirling engine 3 works normally at this time.
In one preferred embodiment, the fuel reserve tank 4 is by carrying the oil pipe of pump and 2 phase of heat-condutive oil heat exchanger
Even, in non-power generating pattern, the heat obtained in heat-condutive oil heat exchanger 2 is delivered in fuel reserve tank 4 in real time；The storage
Fuel tank 4 is stored with a certain number of heat conduction oil mediums, the temperature of the oils working medium flowed from heat-condutive oil heat exchanger 2 to fuel reserve tank 4
Degree can be 210~220 degrees Celsius.
The fuel reserve tank 4 is connected by carrying the oil pipe of pump with oil-water evaporation heat exchanger 5, is carried for oil-water evaporation heat exchanger 5
For continuous heating heat source.By setting the fuel reserve tank 4, the sun spoke that certain amount heat-condutive oil heat exchanger 2 is absorbed can be stored
Heat is penetrated, and passes out when needed and discharges the heat, which helps to stablize the sun of fluctuation of instantaneous or short time
Radiation.
In one preferred embodiment, oil-water evaporation heat exchanger 5 is used to provide the effect of continuous heat source in fuel reserve tank 4
Under, directly generate saturated vapor or output steam water interface.The oil-water evaporation heat exchanger 5 can be selected in this field often
Evaporation and heat-exchange equipment is not particularly limited in the application.
Preferably, the steam-water separator 6 steams for isolating saturation from the product of 5 output of oil-water evaporation heat exchanger
Vapour, remaining moisture send steam-water separator 6 back to through water pump.
Further, the desalination plant 7 be effect distillation seawater desalinating device of multi, effect be using saturated vapor as
Heat source does desalt processing to seawater.Specifically, as shown in Figure 6, charging seawater is preheated and takes off within the condenser
Gas is divided into two streams later.One logistics dumps as condensate liquid and flows back to sea, and in addition one logistics becomes to distill
The feeding liquid of journey.Feed liquid is introduced in heat-recovery section and respectively imitates in minimum one group of temperature through adding in after dirt dispersion agent.
Spray system on the overhead coil that is distributed in each evaporator of feed liquid spray, along overhead coil downwards in the form of a film
During free-flowing, a part of seawater is vaporized due to absorbing the latent heat of condensed steam in evaporator.By slight dense
The remaining feed liquid pump of contracting is squeezed into next stage (or next effect) evaporator, and the operation temperature and pressure of this grade are higher than upper level
Some, repeat above-mentioned evaporation and spray process again in new grade.Remaining feed liquid is then beaten forward, to the last in temperature
The grade is left in the form of concentrate in highest grade or effect.
Raw steam is input to inside the evaporation tube of the effect of temperature highest one, and while condensation in pipe, pipe is outer also to be generated
The evaporation essentially identical with condensation number.The indirect steam of generation across strong brine liquid drop separator to ensure the pure of distilled water
It after degree, and is introduced into the heat-transfer pipe of next effect, the operation temperature and pressure of the second effect are slightly below the first effect.
This evaporation and condensation process repeat always along each effect of a string of evaporators, often imitate all produce it is a considerable amount of
Distilled water, the steam to last one effect cool down liquid condensing in heat extraction section by seawater.
Embodiment：
It selects according to system provided by the invention, which includes optically focused dish stand, heat-condutive oil heat exchanger, solar energy, and this is special
Woods engine, fuel reserve tank, oil-water evaporation heat exchanger, steam-water separator and desalination plant, wherein, optically focused dish stand it is effective anti-
Area is penetrated as 105m2, the rated power of Stirling engine is 20kW, is equal to 800W/m in the per day intensity of direct solar radiation2Ground
Area, if continuous work 8 hours daily, continuous work 100 days records electric energy and fresh water that the device obtains daily, finally respectively
Obtaining the device can averagely generate electricity 50~60 kilowatt hours daily, while produce 950~1050 liters of fresh water, total profit of solar energy
With rate more than 40%；Wherein, the thermal efficiency of power generation is relatively low, and the thermal efficiency for producing fresh water is relatively high, so whole is total
Efficiency of utilization be as electric-thermal load proportion changes, when whole loads all be used for output fresh water when the thermal efficiency reach
More than 60%.
Above in association with preferred embodiment, the present invention is described, but these embodiments are only exemplary
, only play the role of illustrative.On this basis, a variety of replacements and improvement can be carried out to the present invention, these each fall within this
In the protection domain of invention.
Claims (7)
1. a kind of solar energy Stirling photo-thermal power generation utilizes system with sea water desalination thermoelectricity synergistic combination, which is characterized in that this is
System includes optically focused dish stand (1), heat-condutive oil heat exchanger (2), solar energy Stirling engine (3), fuel reserve tank (4), oil-water evaporation and changes
Hot device (5), steam-water separator (6) and desalination plant (7)；
Wherein, solar energy Stirling engine (3) mounted on the dish stand cantilever (11) of optically focused dish stand (1) remote location,
The heat-condutive oil heat exchanger (2) is arranged between optically focused dish stand (1) and solar energy Stirling engine (3), and can be with
It moves back and forth；
The fuel reserve tank (4) is connected respectively with heat-condutive oil heat exchanger (2) and oil-water evaporation heat exchanger (5),
The steam-water separator (6) is connected respectively with oil-water evaporation heat exchanger (5) and desalination plant (7).
2. solar energy Stirling photo-thermal power generation according to claim 1 utilizes system with sea water desalination thermoelectricity synergistic combination,
It is characterized in that,
It is additionally provided on the optically focused dish stand (1) with sliding rail (12), rack (13) is provided on the sliding rail (12)；
It is provided in the bottom of the heat-condutive oil heat exchanger (2) and the rack (13) meshed gears (21) and the driving tooth
Take turns the motor (22) of rotation.
3. solar energy Stirling photo-thermal power generation according to claim 1 utilizes system with sea water desalination thermoelectricity synergistic combination,
It is characterized in that,
Optically focused dish stand (1), which is blocked, when heat-condutive oil heat exchanger (2) is positioned at the end of dish stand cantilever (11) is reflected to solar energy Stirling
The radiation of engine (3) absorbs the radiation by the oil in heat-condutive oil heat exchanger (2), this is non-power generating pattern.
When heat-condutive oil heat exchanger (2) is positioned at the root position of close dish stand cantilever (11), heat-condutive oil heat exchanger (2) does not block poly-
C-D disc rack (1) is reflected to the radiation of solar energy Stirling engine (3), and being absorbed at this time by solar energy Stirling engine (3) should
Radiation, is at this time power generation mode.
4. solar energy Stirling photo-thermal power generation according to claim 3 utilizes system with sea water desalination thermoelectricity synergistic combination,
It is characterized in that,
The fuel reserve tank (4) is connected by being furnished with the oil-piping of pump with heat-condutive oil heat exchanger (2), in non-power generating pattern,
In real time by the heat transfer that heat-condutive oil heat exchanger (2) is obtained to fuel reserve tank (4),
The fuel reserve tank (4) is connected by being furnished with the oil-piping of pump with oil-water evaporation heat exchanger (5), is oil-water evaporation heat exchanger
(5) lasting heat source is provided.
5. solar energy Stirling photo-thermal power generation according to claim 1 utilizes system with sea water desalination thermoelectricity synergistic combination,
It is characterized in that,
Oil-water evaporation heat exchanger (5) for fuel reserve tank (4) provide continuous heat source under the action of, directly generation saturated vapor or
Person's output steam water interface.
6. solar energy Stirling photo-thermal power generation according to claim 5 utilizes system with sea water desalination thermoelectricity synergistic combination,
It is characterized in that,
The steam-water separator (6) from the product of oil-water evaporation heat exchanger (5) output for isolating saturated vapor.
7. solar energy Stirling photo-thermal power generation according to claim 6 utilizes system with sea water desalination thermoelectricity synergistic combination,
It is characterized in that,
The desalination plant (7) is effect distillation seawater desalinating device of multi, is used to do seawater by saturated vapor and desalinate
Processing.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130219889A1 (en) * | 2010-09-13 | 2013-08-29 | Guangdong Fuxing Food Machinery Co., Ltd. | Ground high-temperature high-efficiency solar steam electricity-generating device |
| CN103758712A (en) * | 2014-01-03 | 2014-04-30 | 西安交通大学 | Seawater desalination system driven by combination of solar energy and ocean thermal energy |
| US20140290247A1 (en) * | 2013-03-28 | 2014-10-02 | Hitachi, Ltd. | Integrative System of Concentrating Solar Power Plant and Desalineation Plant |
| JP2016102407A (en) * | 2013-03-05 | 2016-06-02 | 株式会社クリスタルシステム | Dish type solar heat power generation system |
| CN107098419A (en) * | 2017-06-05 | 2017-08-29 | 昆山市圣光新能源科技有限公司 | A kind of solar airconditioning seawater desalination system |
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2017
- 2017-12-29 CN CN201711475396.5A patent/CN108194292B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130219889A1 (en) * | 2010-09-13 | 2013-08-29 | Guangdong Fuxing Food Machinery Co., Ltd. | Ground high-temperature high-efficiency solar steam electricity-generating device |
| JP2016102407A (en) * | 2013-03-05 | 2016-06-02 | 株式会社クリスタルシステム | Dish type solar heat power generation system |
| US20140290247A1 (en) * | 2013-03-28 | 2014-10-02 | Hitachi, Ltd. | Integrative System of Concentrating Solar Power Plant and Desalineation Plant |
| CN103758712A (en) * | 2014-01-03 | 2014-04-30 | 西安交通大学 | Seawater desalination system driven by combination of solar energy and ocean thermal energy |
| CN107098419A (en) * | 2017-06-05 | 2017-08-29 | 昆山市圣光新能源科技有限公司 | A kind of solar airconditioning seawater desalination system |
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