CN105840342A - Tower type concentrating solar Stirling power generation system - Google Patents
Tower type concentrating solar Stirling power generation system Download PDFInfo
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- CN105840342A CN105840342A CN201610187853.XA CN201610187853A CN105840342A CN 105840342 A CN105840342 A CN 105840342A CN 201610187853 A CN201610187853 A CN 201610187853A CN 105840342 A CN105840342 A CN 105840342A
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- 238000010248 power generation Methods 0.000 title claims abstract description 23
- 239000012530 fluid Substances 0.000 claims abstract description 34
- 239000013529 heat transfer fluid Substances 0.000 claims abstract description 34
- 230000005611 electricity Effects 0.000 claims description 25
- 150000003839 salts Chemical class 0.000 claims description 24
- 239000000463 material Substances 0.000 claims description 15
- 230000001172 regenerating effect Effects 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 239000011833 salt mixture Substances 0.000 claims description 5
- 229910002651 NO3 Inorganic materials 0.000 claims description 4
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 claims description 4
- 230000007704 transition Effects 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 6
- 238000005286 illumination Methods 0.000 description 6
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 230000007812 deficiency Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000005338 heat storage Methods 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000002803 fossil fuel Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 239000002918 waste heat Substances 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
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- 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
- F02G1/0435—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 the engine being of the free piston type
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- 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
- F02G2254/00—Heat inputs
- F02G2254/30—Heat inputs using solar radiation
-
- 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
- F02G2254/00—Heat inputs
- F02G2254/40—Heat inputs using heat accumulators
-
- 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
- F02G2280/00—Output delivery
- F02G2280/10—Linear generators
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention relates to the technical field of solar thermal power generation, in particular to a tower type concentrating solar Stirling power generation system, which comprises a tower type solar thermal collector, a circulating pump and a free piston Stirling generator, wherein the tower type solar thermal collector, the circulating pump and the free piston Stirling generator are sequentially communicated through a hot fluid conveying pipeline to form a power generation loop; the tower type solar thermal collector heats heat transfer fluid in the power generation loop through reflecting sunlight, the circulating pump drives the heat transfer fluid to circularly flow in the power generation loop, and the free piston Stirling generator converts heat energy transferred by the heated heat transfer fluid into electric energy. The tower type concentrating solar Stirling power generation system provided by the invention is formed by combining a solar heat collector and a free piston Stirling generator, and solves the problems of complex structure, large initial investment and long construction period of the conventional solar thermal power generation system.
Description
Technical field
The present invention relates to solar energy thermal-power-generating technical field, particularly relate to a kind of tower optically focused sun
Energy Stirling electricity generation system, relates more specifically to the solar energy of a kind of distributed tower optically focused freely
Piston Stirling electricity generation system.
Background technology
The problem brought along with the large-scale application of fossil energy, energy shortage and environmental pollution
Impact on human economic society development becomes clear day by day.It is the richest that China belongs to global solar resource
One of rich area, sufficiently and reasonably utilizes solar energy resources, for reducing and finally substituting biography
The use of the system energy is significant.
Solar energy generation technology mainly includes photovoltaic generation and the big class of photo-thermal power generation two.Wherein, light
Volt generation technology obtains in 21 century and develops faster, but yet suffers from some at present and not yet solve
Problem certainly, the efficiency of such as solaode and cost are difficult to coordination, extensive electricity storage technology
Still needing exploration etc., these factors all limit the further development of photovoltaic generation industry.
And solar light-heat power-generation is primarily referred to as focus type solar energy generating, according to solar energy
Clustered pattern can be divided into slot type, linear Fresnel formula, tower and dish-style four kinds.With photovoltaic generation
System is compared, and a distinguishing feature of solar-thermal generating system can be by the side of heat accumulation and afterburning
Formula solves the problem that solar energy is unstable, the most lasting, it is achieved continual electric power exports.But,
Current slot type and tower-type solar thermal power generating system all use Rankine cycle, vapor wheel used
The usual power of machine is relatively big, therefore, can only use the centralized generation mode of extensive thermal-arrest, this
Just the problems such as structure is complicated, initial investment is big, construction period length are brought.
Summary of the invention
(1) to solve the technical problem that
The technical problem to be solved in the present invention there is provided a kind of tower Photospot solar Stirling and sends out
Electricity system, this system is by this spy of tower type solar heat collector higher for heat-collecting temperature and free-piston
Woods electromotor effectively combines, solve existing solar heat power generation system structure complicated,
Initial investment is big, the problem of construction period length.
(2) technical scheme
In order to solve above-mentioned technical problem, this is special to the invention provides a kind of tower Photospot solar
Woods electricity generation system, generates electricity including tower type solar heat collector, circulating pump and free piston stirling
Machine, described tower type solar heat collector, circulating pump and free piston stirling electromotor are by warm
Fluid-transporting tubing is sequentially communicated and constitutes power generation circuit；Described tower type solar heat collector passes through
Heat-transfer fluid in power generation circuit is heated by reflected sunlight, and described circulating pump drives described heat transfer
Fluid circulates in described power generation circuit, and described free piston stirling electromotor will be added
The heat energy of the described heat-transfer fluid transmission of heat is converted into electric energy.
Further, previous heat transfer fluid includes fuse salt or supercritical water.
Further, aforementioned melt salt is the salt-mixture including nitrate.
Further, the described hot-fluid between aforementioned tower type solar heat collector and described circulating pump
On body conveyance conduit, expansion slot is set.
Further, aforementioned tower type solar heat collector and described free piston stirling electromotor
Between described hot fluid conveyance conduit on be sequentially provided with combustion-compensating device, regenerative apparatus.
Further, the internal fused salt material of filling of aforementioned regenerative apparatus, described hot fluid conveying pipe
Road passes described regenerative apparatus, and is wrapped up by described fused salt material.
Further, the phase transition temperature of aforementioned fused salt material and described heat-transfer fluid are described tower
The temperature reached after being heated in solar thermal collector is identical.
Further, reach after previous heat transfer fluid is heated in described tower type solar heat collector
To temperature be 500-600 DEG C.
Further, it is provided with between aforementioned combustion-compensating device and described circulating pump and the described tower sun
Can the in parallel hot fluid conveyance conduit of heat collector, and this hot fluid conveyance conduit is provided with for controlling
Make the second valve of its break-make；Between described combustion-compensating device and described tower type solar heat collector
Hot fluid conveyance conduit is provided with the first valve for controlling its break-make.
Further, aforementioned free piston stirling electromotor includes that free piston stirling starts
Machine and the linear electric generator driven by described free piston stirling engine.
(3) beneficial effect
The technique scheme of the present invention has the advantages that
The one tower Photospot solar Stirling electricity generation system that the present invention provides, by the tower sun
Energy heat collector, circulating pump and free piston stirling electromotor are by hot fluid conveyance conduit successively
Connect and constitute power generation circuit；Tower type solar heat collector passes through reflected sunlight to power generation circuit
In heat-transfer fluid heating, circulating pump drive heat-transfer fluid circulate in power generation circuit, from
By piston stirling generator, the heat energy that heated heat-transfer fluid transmits is converted into electric energy.Should
Tower Photospot solar Stirling electricity generation system is by this spy of tower type solar heat collector and free-piston
Woods electromotor effectively combines.Tower type solar heat collector is owing to having higher optically focused
Ratio, it is possible to obtain higher heat-collecting temperature, this is favorably improved the thermoelectrical efficiency of whole system.
Therefore, be combined with free piston stirling electromotor can be formed a set of simple in construction, install just
Profit, the efficient tower type Photospot solar Stirling electricity generation system that construction is flexible, construction period is short.
The one tower Photospot solar Stirling electricity generation system that the present invention provides, the freedom of employing
Piston stirling generator, as a kind of Novel hot TRT, has good reliability, power spirit
The feature such as live, efficiency is high, environmentally friendly.Free piston stirling engine uses class, and this is special
The thermodynamic cycle of woods circulation, is one of electromotor that current efficiency is the highest, its theoretical efficiency etc.
In Carnot efficiency.On the other hand, free piston stirling engine is owing to eliminating crank connecting link
Deng high temperature end motion parts, there is higher reliability.These features make whole tower optically focused too
Sun can Stirling operation of electric power system be reliable and stable, have a higher thermoelectrical efficiency simultaneously.
The one tower Photospot solar Stirling electricity generation system that the present invention provides, both can be with separate unit
Small-power works, and multi-platform combined can realize high power work again, have output work flexibly
Rate, can set according to the actual needs, and is flexibly applied to different occasions.
Accompanying drawing explanation
Fig. 1 is that the structure of the embodiment of the present invention one tower Photospot solar Stirling electricity generation system is shown
It is intended to；
Fig. 2 is that the structure of the embodiment of the present invention two tower Photospot solar Stirling electricity generation system is shown
It is intended to.
Wherein, 1: free piston stirling electromotor；2: circulating pump；3: expansion slot；4:
Tower type solar heat collector；5: combustion-compensating device；6: regenerative apparatus；7: hot fluid conveying pipe
Road；8: water cooler；9: regenerator；10: heater；11: expansion chamber；12: discharge
Device；13: compression chamber；14: power piston；15: electric mover: 16: linear electric generator；
17: leaf spring；18: the first valves；19: the second valves.
Detailed description of the invention
With embodiment, embodiments of the present invention are described in further detail below in conjunction with the accompanying drawings.
Following example are used for illustrating the present invention, but can not be used for limiting the scope of the present invention.
In describing the invention, it should be noted that except as otherwise noted, " some " contain
Justice is one or more.
In describing the invention, in addition it is also necessary to explanation, unless otherwise clear and definite regulation and limit
Fixed, term " connects " and should be interpreted broadly, and connects for example, it may be fixing, it is also possible to be
Removably connect, or be integrally connected；Can be to be mechanically connected, it is also possible to be electrical connection；Can
Being to be joined directly together, it is also possible to be indirectly connected to by intermediary.Common skill for this area
For art personnel, visual concrete condition understands above-mentioned term concrete meaning in the present invention.
Embodiment one
As it is shown in figure 1, the one tower Photospot solar Stirling generating that the present embodiment provides is
System, including tower type solar heat collector 4, circulating pump 2 and free piston stirling electromotor 1,
Hot fluid conveyance conduit 7 in order to parts all in system are coupled together, tower type solar thermal-arrest
Device 4, circulating pump 2 and free piston stirling electromotor 1 are by hot fluid conveyance conduit 7 successively
Connect and constitute power generation circuit.
In the present embodiment, use the tower type solar heat collector 4 that heat-collecting temperature is higher, the tower sun
By reflected sunlight, the heat-transfer fluid in power generation circuit can be heated by heat collector 4, make heat transfer stream
The running temperature of body, between 500-600 DEG C, can be effectively improved system effectiveness.
Circulating pump 2 is arranged at above hot fluid conveyance conduit 7, and circulating pump 2 drives heat transfer
Fluid circulates in power generation circuit, provides heat energy for free piston stirling electromotor 1,
In actual application, it is suitable to select according to the heat-transfer fluid chosen in hot fluid conveyance conduit 7
Circulating pump 2 model.
The heat energy that heated heat-transfer fluid transmits is converted into by free piston stirling electromotor 1
Electric energy, its operation principle is that the heat energy that heat-transfer fluid transmits first is converted into the machine of wave of oscillation form
Tool can (acoustic energy), be electric energy by this changes mechanical energy the most again.
Heat-transfer fluid includes fuse salt or supercritical water.Fuse salt is for being main group with nitrate
The salt-mixture divided.Needing to say, the salt-mixture with nitrate as key component has relatively low
Fusing point, can remain liquid condition during operation.Employing fuse salt, can be effective as heat-transfer fluid
The operation pressure of reduction system and safety requirements, raising system and the reliability of equipment.Now follow
Ring pump 2 may select high-temperature melting salt pump.When using supercritical water as heat-transfer fluid, system needs
Operating pressure that will be higher, now circulating pump 2 may select High Temperature High Pressure water pump.Due to melted
Salt is compared, the less expensive of supercritical water, and supercritical water also has higher specific heat simultaneously
Holding and the feature of thermal conductivity, therefore, in the present embodiment, heat-transfer fluid is preferably supercritical water.But
It is that actual application can select suitable heat-transfer fluid as the case may be.
Arrange on hot fluid conveyance conduit 7 between tower type solar heat collector 4 and circulating pump 2
Expansion slot 3, in order to buffer the change in volume that heat-transfer fluid occurs because of temperature fluctuation.
Hot fluid between tower type solar heat collector 4 and free piston stirling electromotor 1 is defeated
Send pipeline 7 to be provided with combustion-compensating device 5 and regenerative apparatus 6, its effect be to ensure that whole system continuously,
Stably run.When running into the situation of the illumination such as continuous rainy weather deficiency for a long time, afterburning
Device 5 can provide heat energy by combustion of fossil fuels for whole electricity generation system, it is ensured that whole system
Can continuously and stably run.Regenerative apparatus 6 is internal fills fused salt material, and hot fluid carries
Pipeline 7 is through regenerative apparatus 6, and is melt salt material parcel.Fused salt material is for carbonate to be
Main salt-mixture, main heat storage type is phase-transition heat-storage, the phase transition temperature of fused salt material and heat transfer
The temperature reached after fluid is heated in tower type solar heat collector 4 is identical, i.e. fused salt material
Phase transition temperature and heat-transfer fluid heated in tower type solar heat collector 4 after the temperature that reaches
It is all 500-600 DEG C.
In actual application, can select according to the design conditions of free piston stirling electromotor 1
Select suitable fused salt material.Its concrete operation principle is: by unnecessary sunny when
Heat storage get up, illumination condition is the best when discharge heat.Phase-transition heat-storage simultaneously
Mode can also make the temperature that heat-transfer fluid keeps relative stability, and this is conducive to free piston stirling
Electromotor 1 is stablized, is run efficiently.
Preferably, the present embodiment is melt the hot fluid conveyance conduit 7 of salt material parcel for snakelike
Pipeline, snakelike pipeline can increase hot fluid conveyance conduit 7 and fused salt in certain area
The contact area of material, is more beneficial for hot fluid conveyance conduit 7 and conducts heat with fused salt material.
In the present embodiment, it is provided with between combustion-compensating device 5 and circulating pump 2 and tower type solar thermal-arrest
The hot fluid conveyance conduit 7 of device 4 parallel connection, and this hot fluid conveyance conduit 7 is provided with for controlling
Second valve 19 of its break-make；Hot-fluid between combustion-compensating device 5 and tower type solar heat collector 4
Body conveyance conduit 7 is provided with the first valve 18 for controlling its break-make so that system can root
Switch flexibly between different operational modes according to practical situation.Should be with tower type solar heat collector 4
The effect of hot fluid conveyance conduit 7 in parallel is to ensure that whole system is continuously, run efficiently.
Concrete changing method is: when daylight abundance when, opens the first valve 18, closes
Second valve 19, tower type solar heat collector 4 provides heat energy, regenerative apparatus 6 for whole system
In order to store the waste heat that tower solar thermal collector 4 is collected；The when of illumination deficiency in evening,
Close the first valve 18, open the second valve 19, the heat that regenerative apparatus 6 is stored by release,
Heat energy is provided for whole system；When running into the situation that the illumination such as continuous rainy weather are not enough for a long time
Time, close the first valve 18, open the second valve 19, start combustion-compensating device 5 simultaneously, pass through
Combustion of fossil fuels provides heat energy for whole system.
Free piston stirling electromotor 1 includes free piston stirling engine and is freely lived
The linear electric generator that plug Stirling engine drives, has good reliability, and efficiency is high, environment friend
The feature such as good.
Concrete is that free piston stirling electromotor 1 includes water cooler 8, regenerator 9, adds
Hot device 10, expansion chamber 11, displacer 12, compression chamber 13, power piston 14, linear generating
Machine 16 and leaf spring 17, linear electric generator 16 includes electric mover 15.Displacer 12 and power
Forming compression chamber 13 between piston 14, one end of displacer connects expansion chamber 11, and the other end is worn
Overcompression chamber 13 is connected with leaf spring 17.Heater 10, regenerator 9 and water cooler 8 are along expansion
Chamber 11 sets gradually to the direction of compression chamber 13.It is provided with dynamic between compression chamber 13 and leaf spring 17
Power piston 14, power piston 14 is sheathed on displacer 12, in order to drive linear electric generator 16
Electric mover 15 vibrate, and then externally export electric work.
The specific works principle of the present embodiment is: heat-transfer fluid flows along hot fluid conveyance conduit 7
Cross heater 10 and heat energy is provided, make to keep at heater 10 hot environment.At water cooler 8 then
Keep room temperature environment.Hot environment at heater 10 and the room temperature environment at water cooler 8 make back
Maintain certain thermograde in hot device 9, cause producing between the gas in regenerator 9 and solid
Heat acoustic effect, the heat energy carried by heat-transfer fluid is converted to the mechanical energy (sound merit) of sound wave form；
After sound merit flows into expansion chamber 11, power piston 14 is driven to vibrate, and by power piston 14
Drive motor mover 15 vibrates so that linear electric motors externally export electric work.Displacer 12
The regulation to acoustic phase can be realized with leaf spring 17.
In actual application, suitable displacer 12 and plate can be selected according to different frequency needs
Spring 17.
Embodiment two
As in figure 2 it is shown, the one tower Photospot solar Stirling generating that the present embodiment provides is
System, its principle is identical with embodiment one, and structure is similar to embodiment one, differs only in: this
In embodiment, it is not provided with between combustion-compensating device 5 and circulating pump 2 and tower type solar heat collector 4
Hot fluid conveyance conduit 7 in parallel, and between combustion-compensating device 5 and tower type solar heat collector 4
The first valve 18 for controlling its break-make it is not provided with on hot fluid conveyance conduit 7.
Its concrete working method is: when daylight abundance when, tower type solar thermal-arrest
Device 4 provides heat energy for whole system, and regenerative apparatus 6 is in order to store tower solar thermal collector 4
The waste heat collected；On that night when of illumination deficiency, regenerative apparatus 6 is stored by release
Heat, for whole system provide heat energy；Long-time not when running into the illumination such as continuous rainy weather
Foot situation time, start combustion-compensating device 5, provide heat energy by combustion of fossil fuels for whole system.
Compared with embodiment one, the present embodiment structure is simpler, operates the most convenient, although light
The when of according to deficiency, heat-transfer fluid needs to flow through tower type solar heat collector 4, and this can increase along journey
Resistance and thermal loss, but this thermal loss is less, does not affect the present embodiment to major part
The offer of the demand of occasion, and the present embodiment to have structure simpler, more convenient to operate
Advantage.
Embodiments of the invention are given for the sake of example and description, and are not nothing left
Leakage or limit the invention to disclosed form.Many modifications and variations are for this area
It is apparent from for those of ordinary skill.Selecting and describing embodiment is to more preferably illustrate
The principle of the present invention and actual application, and make those of ordinary skill in the art it will be appreciated that this
Invent thus design the various embodiments with various amendments being suitable to special-purpose.
Claims (10)
1. a tower Photospot solar Stirling electricity generation system, it is characterised in that include tower
Solar thermal collector, circulating pump and free piston stirling electromotor, described tower type solar collection
Hot device, circulating pump and free piston stirling electromotor are sequentially communicated by hot fluid conveyance conduit
And constitute power generation circuit；Described tower type solar heat collector passes through reflected sunlight to power generation circuit
In heat-transfer fluid heating, described circulating pump drive described heat-transfer fluid in described power generation circuit
Circulating, heated described heat-transfer fluid is transmitted by described free piston stirling electromotor
Heat energy be converted into electric energy.
Tower Photospot solar Stirling electricity generation system the most according to claim 1, it is special
Levying and be, described heat-transfer fluid includes fuse salt or supercritical water.
Tower Photospot solar Stirling electricity generation system the most according to claim 2, it is special
Levying and be, described fuse salt is the salt-mixture including nitrate.
Tower Photospot solar Stirling electricity generation system the most according to claim 2, it is special
Levy and be, the described hot fluid conveying between described tower type solar heat collector and described circulating pump
Expansion slot is set on pipeline.
Tower Photospot solar Stirling electricity generation system the most according to claim 4, it is special
Levy and be, between described tower type solar heat collector and described free piston stirling electromotor
It is sequentially provided with combustion-compensating device, regenerative apparatus on described hot fluid conveyance conduit.
Tower Photospot solar Stirling electricity generation system the most according to claim 5, it is special
Levying and be, described regenerative apparatus is internal fills fused salt material, and described hot fluid conveyance conduit passes
Described regenerative apparatus, and wrapped up by described fused salt material.
Tower Photospot solar Stirling electricity generation system the most according to claim 6, it is special
Levying and be, the phase transition temperature of described fused salt material and described heat-transfer fluid are at described tower type solar
The temperature reached after being heated in heat collector is identical.
Tower Photospot solar Stirling electricity generation system the most according to claim 7, it is special
Levy and be, the temperature reached after described heat-transfer fluid is heated in described tower type solar heat collector
Degree is for 500-600 DEG C.
Tower Photospot solar Stirling electricity generation system the most according to claim 5, it is special
Levy and be, be provided with between described combustion-compensating device and described circulating pump and described tower type solar thermal-arrest
The hot fluid conveyance conduit that device is in parallel, and this hot fluid conveyance conduit is provided with and leads to for controlling it
The second disconnected valve；Hot fluid between described combustion-compensating device and described tower type solar heat collector
Conveyance conduit is provided with the first valve for controlling its break-make.
Tower Photospot solar Stirling electricity generation system the most according to claim 1, its
Be characterised by, described free piston stirling electromotor include free piston stirling engine and
The linear electric generator driven by described free piston stirling engine.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610187853.XA CN105840342A (en) | 2016-03-29 | 2016-03-29 | Tower type concentrating solar Stirling power generation system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610187853.XA CN105840342A (en) | 2016-03-29 | 2016-03-29 | Tower type concentrating solar Stirling power generation system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106351765A (en) * | 2016-09-19 | 2017-01-25 | 马加德 | Power and heat co-supply system based on Stirling engine and power and heat co-supply method of system |
| CN106595075A (en) * | 2016-11-11 | 2017-04-26 | 李渊 | Small-sized tower-type Stirling energy-storage photo-thermal electric power generation system |
| CN106837719A (en) * | 2017-03-31 | 2017-06-13 | 西部国际绿色能源斯特林(贵州)智能装备制造有限公司 | A kind of heat storage type voltage stabilizing Stirling electricity generation system |
| CN107560212A (en) * | 2017-09-30 | 2018-01-09 | 中国科学院理化技术研究所 | Double-effect free piston type Stirling heat-driven refrigerating machine/heat pump system |
| CN111964047A (en) * | 2020-07-10 | 2020-11-20 | 宁波卓成化纤有限公司 | Low-temperature low-nitrogen combustion system with environmental protection and energy saving functions |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107560212B (en) * | 2017-09-30 | 2019-10-22 | 中国科学院理化技术研究所 | Double-effect free piston type Stirling heat-driven refrigerating machine/heat pump system |
| CN111964047A (en) * | 2020-07-10 | 2020-11-20 | 宁波卓成化纤有限公司 | Low-temperature low-nitrogen combustion system with environmental protection and energy saving functions |
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