CN207647705U - Solar air turbine power generation system with heat storage function - Google Patents
Solar air turbine power generation system with heat storage function Download PDFInfo
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- CN207647705U CN207647705U CN201721839182.7U CN201721839182U CN207647705U CN 207647705 U CN207647705 U CN 207647705U CN 201721839182 U CN201721839182 U CN 201721839182U CN 207647705 U CN207647705 U CN 207647705U
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- heat
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- salt
- air turbine
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- 238000010248 power generation Methods 0.000 title claims abstract description 20
- 238000005338 heat storage Methods 0.000 title claims abstract description 18
- 150000003839 salts Chemical class 0.000 claims abstract description 89
- 239000011780 sodium chloride Substances 0.000 claims abstract description 89
- 238000009825 accumulation Methods 0.000 claims abstract description 14
- 230000005611 electricity Effects 0.000 claims description 5
- 238000002844 melting Methods 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 8
- 238000005516 engineering process Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000004146 energy storage Methods 0.000 description 3
- 238000003912 environmental pollution Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 229920002456 HOTAIR Polymers 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000002596 correlated Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 230000001172 regenerating Effects 0.000 description 1
- 230000001105 regulatory Effects 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
Abstract
The utility model discloses a kind of solar air turbine power generation system with heat storage function, and heat collector, heat-conducting medium air heat exchanger and overflow tank connect to form the first heat-conducting medium circuit；Heat collector, heat-conducting medium fused salt heat exchanging device and overflow tank connect to form the second heat-conducting medium circuit；Heat-conducting medium air heat exchanger connects to form third heat-conducting medium circuit with heat-conducting medium fused salt heat exchanging device；The air intake of heat-conducting medium air heat exchanger is connect with compressed air line, and the air outlet slit of heat-conducting medium air heat exchanger and the air intake of air turbine connect, and air turbine driving generator produces electricl energy；Hot salt cellar and cold salt cellar are connect with two heat accumulation salt interfaces of heat-conducting medium fused salt heat exchanging device respectively.Tthe utility model system not only considerably reduces the consumption of water resource, but also system is very simple and reliable, for pushing photothermal technique development to be of great significance.
Description
Technical field
The utility model is related to technical field of power generation, and in particular to a kind of novel solar power generation system with heat storage function
System.
Background technology
With the development of the social economy, environmental pollution has been the problem of can not avoiding, or even people's health is constituted
Huge threat.It thus curbs environmental pollution very urgent, replaces conventional fossil energy to become one using regenerative resource
Important developing direction.
Emerging photo-thermal power generation technology is an important approach using renewable energy solar energy.Existing comparative maturity
Photothermal technique usually convert solar energy into the thermal energy of heat-storage medium, then by heat transmission equipment by heat-storage medium and traditional steamer
Electricity generation system is coupled, and by the heat exchange of heat-storage medium and recirculated water, and then drives steam turbine that generator is driven to generate electricity
Energy.But, on the one hand, in general relatively water shortage, water resource become the light that interferes with the development in solar energy resources abundant area
An important factor for heat power generation；On the other hand, conventional steam electricity generation system is extremely complex, not only builds and operating cost is higher, and
And for photo-thermal power generation technology, building site is more remote, causes it to safeguard very high with the cost of overhaul.Therefore, develop one
Kind of water consumption is few, simple and stable structure solar-thermal generating system has great importance for development photothermal technique.
Utility model content
The utility model provides a kind of letter for the huge and complicated problem of current opto-thermal system water resources consumption
Single effectively solar air turbine power generation system with heat storage function, not only considerably reduces the consumption of water resource, and
And system is very simple and reliable, for pushing photothermal technique development to be of great significance.
In order to achieve the above objectives, the utility model adopts the following technical solution：
A kind of solar air turbine power generation system with heat storage function, including heat collector, heat-conducting medium air heat-exchange
Device, heat-conducting medium fused salt heat exchanging device, overflow tank, air turbine, generator, hot salt cellar and cold salt cellar；
Heat collector, heat-conducting medium air heat exchanger and the overflow tank connects to form the first heat-conducting medium circuit；
Heat collector, heat-conducting medium fused salt heat exchanging device and the overflow tank connects to form the second heat-conducting medium circuit；
The heat-conducting medium air heat exchanger connects to form third heat-conducting medium circuit with heat-conducting medium fused salt heat exchanging device；
The air intake of the heat-conducting medium air heat exchanger is connect with compressed air line, heat-conducting medium air heat-exchange
The air outlet slit of device and the air intake of air turbine connect, and air turbine driving generator produces electricl energy；
The hot salt cellar and cold salt cellar are connect with two heat accumulation salt interfaces of heat-conducting medium fused salt heat exchanging device respectively.
Compressed air line connects vacuum tank, and vacuum tank connects compressor.
Further include regenerator, the air outlet slit of air turbine and the first entrance of regenerator connect, and the first of regenerator goes out
Mouth emptying；The second entrance of vacuum tank and regenerator connects, the second outlet connection heat-conducting medium air heat exchanger of regenerator
Air intake.
Compressor is driven by air turbine.
The hot salt cellar is connect by two pipelines with the first heat accumulation salt interface of heat-conducting medium fused salt heat exchanging device, two
Distribution is provided with valve on pipeline；Wherein high-temperature melting salt pump is provided on export pipeline；The cold salt cellar passes through two pipelines
It is connect with the second heat accumulation salt interface of heat-conducting medium fused salt heat exchanging device；Distribution is provided with valve on two pipelines；Wherein outlet
Road is provided with low-temperature molten salt pump.
First heat-conducting medium mouthpiece road of the heat-conducting medium air heat exchanger is provided with the first oil pump；Overflow tank
The second oil pump is provided between heat collector inlet tube.
It is both provided with valve on the heat-conducting medium outlet and heat-conducting medium inlet tube of the heat collector.
Compared with the existing technology, the utility model has the following advantages：
The solar air turbine power generation system with heat storage function of the utility model, heat collector convert the solar into
The thermal energy of heat-conducting medium；The heat-conducting medium heated come out from heat collector is divided into two-way, is changed all the way by heat-conducting medium air
Hot device transfers thermal energy to the compressed air come out from vacuum tank；Another way is by heat-conducting medium fused salt heat exchanging device by extra heat
Amount passes to heat accumulation salt, is stored in hot salt cellar.It is saturating to enter air by the air heated after heat-conducting medium air heat exchanger
Acting in flat, converts pressure energy and thermal energy to the mechanical energy of turbine, and generator is driven to produce electricl energy.It is stored in hot salt cellar
Heat accumulation salt heats heat-conducting medium by heat-conducting medium fused salt heat exchanging device, and then heat-conducting medium is added by heat-conducting medium air heat exchanger
Hot-air, to maintain air turbine continuous work.The system of the utility model is relative to steam circulation, due to using open type
The circulatory system, system structure are very simple；Cycle fluid is used air as, cycle fluid is inexhaustible, and at
This is very low；Fused salt tank and vacuum tank all have energy storage effect, can not only ensure system continuous operation, but also can participate in adjusting
Peak.The system not only considerably reduces the consumption of water resource, but also system is very simple and reliable, for pushing photothermal technique hair
Exhibition is of great significance.
Further, still there is certain temperature due to entering the air after doing work in air turbine, is heated by regenerator
From vacuum tank to the air of heat-conducting medium air heat exchanger, air is then drained into；The mechanical energy one side band that air turbine generates
Dynamic pressure mechanism of qi generates new pressure-air and enters vacuum tank, to maintain the continuous operation of system.
Description of the drawings
Fig. 1 solar air turbine power generation system diagrams.
Wherein, 1- heat collectors；The first valves of 2-；The first oil pumps of 3-；4- heat-conducting medium air heat exchangers；5- heat-conducting mediums are molten
Salt heat exchanger；6- overflow tanks；The second valves of 7-；The second oil pumps of 8-；9- third valves；The 4th valves of 10-；11- high-temperature melting salt pumps；
The hot salt cellars of 12-；The 5th valves of 13-；14- low-temperature molten salts pump；The 6th valves of 15-；The cold salt cellars of 16-；17- air turbines；18- generates electricity
Machine；19- compressors；20- vacuum tanks；21- regenerators.
Specific implementation mode
The feature of the utility model and other correlated characteristics are made further specifically by embodiment below in conjunction with attached drawing
It is bright, in order to the understanding of technical staff of the same trade.
As shown in Figure 1, the utility model is intended to realize continuous conversion of the solar energy to electric energy using simple system, and
With peak regulating function.Based on this purpose, the utility model includes that (heat collector can be tower, slot type, linear Fresnel to hot device 1
Formula etc.), heat-conducting medium air heat exchanger 4, heat-conducting medium fused salt heat exchanging device 5, overflow tank 6, regenerator 21, vacuum tank 20, air
Turbine 17, compressor 19, generator 18, hot salt cellar 12 and cold salt cellar 16 wait the solar air turbine power generation system of compositions；Collection
Heat-conducting medium (such as conduction oil) outlet of hot device 1 is divided into two-way, wherein being led all the way with the first of heat-conducting medium air heat exchanger 4
Thermal medium interface connects, after the heat exchange of heat-conducting medium air heat exchanger 4；Second heat conduction of heat-conducting medium air heat exchanger 4 is situated between
Matter interface, overflow tank 6 and 1 inlet tube of heat collector are connected, and form the first heat-conducting medium circuit；Another way is changed with heat-conducting medium fused salt
First heat-conducting medium interface of hot device 5, after the heat exchange of heat-conducting medium fused salt heat exchanging device 5, the of heat-conducting medium fused salt heat exchanging device 5
Two heat-conducting medium interfaces, overflow tank 6 and 1 inlet tube of heat collector are connected, and form the second heat-conducting medium circuit；Heat-conducting medium air changes
First heat-conducting medium interface of hot device 4, the second heat-conducting medium interface, the heat-conducting medium fused salt of heat-conducting medium air heat exchanger 4 change
First heat-conducting medium interface of hot device 5 and the second heat-conducting medium interface of heat-conducting medium fused salt heat exchanging device 5 form third heat conduction and are situated between
Matter circuit；After the heat exchange of heat-conducting medium air heat exchanger 4, the air outlet slit and air turbine of heat-conducting medium air heat exchanger 4
17 air intake connection, air turbine 17 drive generator 18 to produce electricl energy；The air outlet slit and regenerator of air turbine 17
21 first entrance connection, after the heat exchange of regenerator 21, the first outlet of regenerator 21 empties；Compressor 19 and vacuum tank 20
Connection, vacuum tank 20 are connect with the second entrance of regenerator 21, and the second outlet of regenerator 21 connects heat-conducting medium air heat-exchange
The air intake of device 4；Hot salt cellar 12 is connect with the first heat accumulation salt interface of heat-conducting medium fused salt heat exchanging device 5, cold salt cellar 16 with lead
Second heat accumulation salt interface of thermal medium fused salt heat exchanging device 5 connects.
Wherein, it is provided with the second oil pump 8 between 1 inlet tube of overflow tank 6 and heat collector.Heat-conducting medium air heat exchanger 4
First heat-conducting medium mouthpiece road is provided with the first oil pump 3.The heat-conducting medium outlet and heat-conducting medium inlet tube of heat collector 1
Upper cloth of dividing equally is provided with the first valve 2 and the second valve 7.
Hot salt cellar 12 is connect by two pipelines with the first heat accumulation salt interface of heat-conducting medium fused salt heat exchanging device 5, two pipes
Road distribution is provided with third valve 9, the 4th valve 10；High-temperature melting salt pump 11 is wherein provided on outlet.Cold salt cellar 16 is logical
Two pipelines are crossed to connect with the second heat accumulation salt interface of heat-conducting medium fused salt heat exchanging device 5.Distribution is provided with the 5th on two pipelines
Valve 13, the 6th valve 15；Low-temperature molten salt pump 14 is wherein provided on outlet.
Air turbine 17 also drives compressor 19, for generating compressed air.
Referring to Fig. 1, the control process of the utility model is as follows：
When illumination abundance, closes the 4th valve 10 respectively and the 6th valve 15, other valves maintain a normally open state.Due to
The effect of first oil pump 3 and the second oil pump 8, heat-conducting medium pass sequentially through heat collector 1, heat-conducting medium air heat exchanger 4, heat conduction Jie
Matter fused salt heat exchanging device 5 and overflow tank 6 form a closed cycle.In sunlight to heat collector 1, heat collector 1 is flowed through
Heat-conducting medium is heated.The heat-conducting medium that heat collector 1 is flowed out after heating is divided into two-way, and the first via enters heat-conducting medium by pipeline
Air heat exchanger 4 exchanges heat with the air preheated from the outflow of vacuum tank 20 through regenerator 21, then flows into overflow tank 6；It is another
Road enters heat-conducting medium fused salt heat exchanging device 5 through pipeline and exchanges heat with fused salt, and extra heat is stored.
Enter air turbine 17 by the compressed air heated after heat-conducting medium air heat exchanger 4 and push turbine acting,
Then from 17 exhaust end of air turbine be discharged, regenerator 21 is entered by pipeline, to from the compressed air that vacuum tank 20 flows out into
Row preheating, then drains into air.The mechanical energy part that air turbine 17 generates is for driving compressor 19, for generating compression
Air is entered after vacuum tank 20 by compressed air and is further heated for driving air turbine 17,20 1 side of vacuum tank
Pressure stabilization function is played in face, on the other hand also has energy-storage function.Another part mechanical energy is then used to that generator 18 to be driven to produce electricl energy.
And the heat accumulation salt heated in heat-conducting medium fused salt heat exchanging device 5 is flowed out by 14 pressurization of low-temperature molten salt pump from cold salt cellar 16,
Into in heat-conducting medium fused salt heat exchanging device 5, hot salt cellar 12 is then entered by thermal energy storage by pipeline.
When no solar irradiation, the first valve 2, the second valve 7, third valve 9 and the 5th valve 13 are closed respectively, is beaten
Open the 4th valve 10 and the 5th valve 13.At this point, high-temperature heat-storage salt in hot salt cellar 12 is extracted out through high-temperature melting salt pump 11, into leading
In thermal medium fused salt heat exchanging device 5, transfers heat to after heat-conducting medium and enter cold salt cellar through pipeline.The heat-conducting medium heated into
Enter to be again introduced into heat-conducting medium fused salt heat exchanging device 5 after heat-conducting medium air heat exchanger 4 exchanges heat with air completion and absorbs heat.And
Compressed air after heating completes gas side cycle, the cyclic process and process when illumination abundance for driving air turbine 17
Identical, which is not described herein again.
Particular embodiments described above has carried out into one the purpose of this utility model, technical solution and advantageous effect
Step is described in detail, it should be understood that the foregoing is merely specific embodiment of the utility model, is not limited to this
Utility model, within the spirit and principle of the utility model, any modification, equivalent substitution, improvement and etc. done should all wrap
Containing being within the protection scope of the utility model.
Claims (7)
1. a kind of solar air turbine power generation system with heat storage function, which is characterized in that including heat collector (1), heat conduction
Medium air heat exchanger (4), heat-conducting medium fused salt heat exchanging device (5), overflow tank (6), air turbine (17), generator (18), heat
Salt cellar (12) and cold salt cellar (16)；
Heat collector (1), heat-conducting medium air heat exchanger (4) and overflow tank (6) connection forms the first heat-conducting medium circuit；
Heat collector (1), heat-conducting medium fused salt heat exchanging device (5) and overflow tank (6) connection forms the second heat-conducting medium circuit；
The heat-conducting medium air heat exchanger (4) and heat-conducting medium fused salt heat exchanging device (5) connection form third heat-conducting medium and return
Road；
The air intake of the heat-conducting medium air heat exchanger (4) is connect with compressed air line, heat-conducting medium air heat-exchange
The air outlet slit of device (4) is connect with the air intake of air turbine (17), and air turbine (17) drives generator (18) to generate electricity
Energy；
The hot salt cellar (12) and cold salt cellar (16) connects with two heat accumulation salt interfaces of heat-conducting medium fused salt heat exchanging device (5) respectively
It connects.
2. the solar air turbine power generation system according to claim 1 with heat storage function, which is characterized in that compression
Air pipe line connects vacuum tank (20), and vacuum tank (20) connects compressor (19).
3. the solar air turbine power generation system according to claim 2 with heat storage function, which is characterized in that also wrap
Regenerator (21) is included, the air outlet slit of air turbine (17) is connect with the first entrance of regenerator (21), and the of regenerator (21)
One outlet emptying；Vacuum tank (20) is connect with the second entrance of regenerator (21), and the second outlet of regenerator (21) connects heat conduction
The air intake of medium air heat exchanger (4).
4. the solar air turbine power generation system according to claim 2 with heat storage function, which is characterized in that calm the anger
Machine (19) is driven by air turbine (17).
5. the solar air turbine power generation system according to claim 1 with heat storage function, which is characterized in that described
Hot salt cellar (12) connect with the first heat accumulation salt interface of heat-conducting medium fused salt heat exchanging device (5) by two pipelines, two pipelines
Upper distribution is provided with valve；High-temperature melting salt pump (11) is wherein provided on export pipeline；The cold salt cellar (16) passes through two
Pipeline is connect with the second heat accumulation salt interface of heat-conducting medium fused salt heat exchanging device (5)；Distribution is provided with valve on two pipelines；Wherein
Low-temperature molten salt pump (14) is provided on export pipeline.
6. the solar air turbine power generation system according to claim 1 with heat storage function, which is characterized in that described
The first heat-conducting medium mouthpiece road of heat-conducting medium air heat exchanger (4) be provided with the first oil pump (3)；Overflow tank (6) with
It is provided with the second oil pump (8) between heat collector (1) inlet tube.
7. the solar air turbine power generation system according to claim 1 with heat storage function, which is characterized in that described
Heat collector (1) heat-conducting medium outlet and heat-conducting medium inlet tube on be both provided with valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721839182.7U CN207647705U (en) | 2017-12-25 | 2017-12-25 | Solar air turbine power generation system with heat storage function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721839182.7U CN207647705U (en) | 2017-12-25 | 2017-12-25 | Solar air turbine power generation system with heat storage function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207647705U true CN207647705U (en) | 2018-07-24 |
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ID=62878641
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721839182.7U Active CN207647705U (en) | 2017-12-25 | 2017-12-25 | Solar air turbine power generation system with heat storage function |
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| CN (1) | CN207647705U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113982871A (en) * | 2021-10-26 | 2022-01-28 | 西安交通大学 | Solar thermal power generation system capable of adjusting peak energy storage and operation method thereof |
-
2017
- 2017-12-25 CN CN201721839182.7U patent/CN207647705U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113982871A (en) * | 2021-10-26 | 2022-01-28 | 西安交通大学 | Solar thermal power generation system capable of adjusting peak energy storage and operation method thereof |
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