CN109059312A - A kind of the multipot type heat-storing device and method of photo-thermal power station fused salt storage tank - Google Patents
A kind of the multipot type heat-storing device and method of photo-thermal power station fused salt storage tank Download PDFInfo
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- CN109059312A CN109059312A CN201810735834.5A CN201810735834A CN109059312A CN 109059312 A CN109059312 A CN 109059312A CN 201810735834 A CN201810735834 A CN 201810735834A CN 109059312 A CN109059312 A CN 109059312A
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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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/46—Conversion of thermal power into mechanical power, e.g. Rankine, Stirling or solar thermal engines
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Abstract
The invention belongs to photo-thermal power station technical field of energy storage, more particularly to the multipot type heat-storing device and method of a kind of photo-thermal power station fused salt storage tank, including at least mirror field heat collector, cold heat fused salt heat exchanging device, first valve, first hot tank, first cold tank, the outlet of mirror field heat collector, first hot tank, first valve, cold heat fused salt heat exchanging device, the entrance of first cold tank and mirror field heat collector is sequentially connected, solve the photo-thermal power station of the medium-and-large-sized installation scale of the prior art being continuously increased with heat accumulation duration and flask volume, the risk of storage tank accident leakage is also continuously increased, storage tank disclosure risk need to be reduced using the method for multiple tank component tank processing, and then the problem of increasing initial cost, it is few with storage tank quantity, normal residual fused salt is at low cost, reduction degree electricity cost, reduce the influence that heat reservoir storage tank is damaged, improve heat reservoir operation Flexibility the characteristics of.
Description
Technical field
The invention belongs to photo-thermal power station technical field of energy storage, and in particular to a kind of multipot type storage of photo-thermal power station fused salt storage tank
Thermal and method.
Background technique
Solar energy is the new energy that current application is most extensive, with fastest developing speed, technology is the most mature.
Solar energy shows randomness, fluctuation and intermittence due to being influenced by natural season and weather, and electric energy
Be incorporated into the power networks need electric energy have stability, photovoltaic generating system be difficult in independent operating provide continuous-stable
Energy, there are before peak of power consumption and valley power output imbalance problem.
Solar-thermal generating system can get up energy storage using heat storage can, and energy transmission is gone out when needed, thus
Ability with adjustable load.Solar heat power generation system with heat-storing device can be improved system generating efficiency,
The stability and continuity for reducing cost of electricity-generating, improving solar heat power generation system.In the case where solar radiation missing, steamer
Generating set utilizes the heat release of heat reservoir, still can satisfy load power generation.In the enough situations of heat reservoir capacity, machine
Group can generate electricity for continuous 24 hours.Solar heat power generation system with large capacity heat-storing device, which has, participates in peak-load regulating energy
Power has the ability for receiving fluctuation renewable energy, can access power grid with open arms.Solar-thermal generating system with heat-storing device
Basic peak modulation capacity can compare favourably with the power generation mode of traditional coal electricity, fuel gas generation, nuclear power, can be used as basic branch
Power supply is supportted, and there are the potentiality competed with conventional power plants, this is that photovoltaic generating system and wind generator system are incomparable,
It is one of the important reason of its energy high speed development.
Currently, accounting for original capital nearly 5% as component devices fused salt storage tank important in photo-thermal power station energy-storage system
Left and right, investment are high；In photo-thermal power station actual motion, storage tank bottom nearly has the fused salt of 1m height that can not be utilized, and increases just
Investment；With the continuous development of current photothermal technique, the photo-thermal power station of large-scale installation scale is continued to bring out, and heat accumulation duration is not yet
Disconnected to increase, flask volume increases therewith, and with being continuously increased for tank diameter, the risk of storage tank accident leakage is also continuously increased,
The method using the processing of multiple tank component tank is needed, storage tank disclosure risk is reduced, further increases initial cost.For example, one is matched
The photo-thermal power station of standby 6h heat accumulation 50MW installation scale, it is 3,100,000 yuan that storage tank, which normally remains fused salt value nearly, and reduction 1 is cold
Fused salt storage tank will save nearly 6,500,000 yuan.
Therefore, according to photo-thermal power station demand for development, a kind of heat-storing device of multipot type is selected, it is possible to reduce storage tank number,
It, will degree of reduction electricity cost to a certain extent to reduce land area, reduce purchase salt cost and operating cost.
Summary of the invention
The purpose of the present invention is overcome the photo-thermal power station of the medium-and-large-sized installation scale of the prior art with heat accumulation duration and storage tank
Volume is continuously increased, and the risk of storage tank accident leakage is also continuously increased, and need to reduce storage using the method for multiple tank component tank processing
Tank disclosure risk, and then the problem of increase initial cost.
For this purpose, including at least Jing Chang collection the present invention provides a kind of multipot type heat-storing device of photo-thermal power station fused salt storage tank
Hot device, cold heat fused salt heat exchanging device, the first valve, the first hot tank, the first cold tank, the outlet of mirror field heat collector, the first hot tank,
One valve, cold heat fused salt heat exchanging device, the first cold tank and mirror field heat collector entrance be sequentially connected.
The multipot type heat-storing device of the photo-thermal power station fused salt storage tank further includes the second valve, and the second valve is connected to Jing Chang
Between heat collector and the first hot tank.
The multipot type heat-storing device of the photo-thermal power station fused salt storage tank further include the second valve, hot/cold tank, third valve,
4th valve and the 5th valve, the second valve are connected between the first hot tank and hot/cold tank, and the outlet of hot/cold tank passes through all the way
Third valve connects the entrance of mirror field heat collector, and the outlet another way of hot/cold tank connects cold heat fused salt heat exchanging by the 5th valve
Device, one end of the 4th valve are connected on the pipeline between cold heat fused salt heat exchanging device and the first cold tank, the other end of the 4th valve
Connect the entrance of hot/cold tank.
The multipot type heat-storing device of the photo-thermal power station fused salt storage tank further include the second valve, hot/cold tank, third valve,
4th valve, the 5th valve, the 6th valve, the 7th valve, the 8th valve, the second hot tank, the 8th valve and the 9th valve, second
Valve is connected between mirror field heat collector and the first hot tank, and the outlet of the first hot tank is sequentially connected third valve and the second hot tank,
The outlet of second hot tank connects the entrance of cold heat fused salt heat exchanging device, the outlet another way of the second hot tank by the 4th valve all the way
Hot/cold tank is connected by the 8th valve, the outlet of cold heat fused salt heat exchanging device connects entering for the first cold tank by the 5th valve all the way
Mouthful, the outlet another way of cold heat fused salt heat exchanging device connects hot/cold tank by the 7th valve, and the 6th valve is connected to the first cold tank
Between hot/cold tank, the entrance of the 8th valve of outlet connection of mirror field heat collector, the outlet of the 8th valve connects the second heat all the way
The entrance of tank, the outlet another way of the 8th valve connect the entrance of hot/cold tank by the 9th valve.
A kind of multipot type heat-storing method of photo-thermal power station fused salt storage tank, during the day, the low-temperature molten salt warp in the first cold tank
Mirror field heat collector exchanges heat, and the first hot tank stores high-temperature molten salt, and hot/cold tank is as hot tank heat accumulation；At night, first is extracted
High-temperature molten salt in hot tank, after the heat exchange of cold heat fused salt heat exchanging device, low-temperature molten salt is stored in the high-temperature molten salt in the first hot tank
In first cold tank or it is stored in exothermic hot/cold tank.
The first hot tank quantity can be to be multiple, and the quantity of hot/cold tank one fewer than the quantity of the first hot tank, on daytime
When, the low-temperature molten salt in the first cold tank exchanges heat through mirror field heat collector, and multiple first hot tanks store high-temperature molten salts, and multiple heat/
Cold tank is as hot tank heat accumulation；At night, the high-temperature molten salt in the first hot tank is extracted, the high-temperature molten salt warp in multiple first hot tanks
After supercooling/hot fused salt heat exchanging device heat exchange, low-temperature molten salt is stored in the first cold tank or is stored in multiple exothermic hot/cold tanks.
The quantity of the first hot tank be 2 be the first hot tank and the second hot tanks, it is during the day, low in the first cold tank
Temperature molten salt exchanges heat by mirror field heat collector, and the first hot tank and the second hot tank can successively store high-temperature molten salt, hot/cold tank conduct
Hot tank heat accumulation；At night, the high-temperature molten salt in the first hot tank and the second hot tank can be successively extracted, first can also be extracted simultaneously
High-temperature molten salt in hot tank and the second hot tank, for high-temperature molten salt after the heat exchange of cold heat fused salt heat exchanging device, low-temperature molten salt is stored in the
In one cold tank or it is stored in exothermic hot/cold tank.
Beneficial effects of the present invention: the multipot type heat-storing device of this photo-thermal power station fused salt storage tank provided by the invention and side
Method, using one or more storage tanks as cold heat tank form, daytime, cold heat tank was as hot tank heat accumulation, night cold heat tank heat release
It is used as cold tank afterwards, makes fused salt in collecting system, heat accumulation by the pumping of tank deck pump for liquid salts using the opening sequence of different valves
It is recycled in system and heat-exchange system, carries out heat accumulation and the heat release of fused salt, realize power generation, thus realize the purpose for reducing storage tank, it can
To reduce land area, the initial outlay and operating cost of photo-thermal power station are reduced；Practical operation is simply and flexible, it is only necessary to control
The opening sequence of valve, and valve opening sequence combination is more, storage tank quantity needed for this kind of heat-storing method is few, normal residual fused salt at
This is low, can degree of reduction electricity cost, the influence that heat reservoir storage tank is damaged can be reduced, the flexible of heat reservoir operation can be improved
Property.
Detailed description of the invention
The present invention is described in further details below with reference to attached drawing.
Fig. 1 is the two pot type heat-storing devices and method flow schematic diagram of photo-thermal power station fused salt storage tank；
Fig. 2 is the three pot type heat-storing devices and method flow schematic diagram of photo-thermal power station fused salt storage tank；
Fig. 3 is the four pot type heat-storing devices and method flow schematic diagram of photo-thermal power station fused salt storage tank.
Description of symbols: 1, mirror field heat collector；2, cold heat fused salt heat exchanging device；3, the first valve；4, the first hot tank；5,
First cold tank；6, the second valve；7, hot/cold tank；8, third valve；9, the 4th valve；10, the 5th valve；11, the first storage tank；
12, the 6th valve；13, the 7th valve；14, the 8th valve；15, the second hot tank；16, the second storage tank；17, the 8th valve；18,
Nine valves.
Specific embodiment
Embodiment 1:
As shown in Figure 1, a kind of multipot type heat-storing device of photo-thermal power station fused salt storage tank, includes at least mirror field heat collector 1, cold heat
Fused salt heat exchanging device 2, the first valve 3, the first hot tank 4, the first cold tank 5, the outlet of mirror field heat collector 1, the first hot tank 4, the first valve
Door 3, cold heat fused salt heat exchanging device 2, the first cold tank 5 and mirror field heat collector 1 entrance be sequentially connected；During the day, the first valve is closed
Door 3, the low-temperature molten salt in the first cold tank 5 exchange heat through mirror field heat collector 1, and the first hot tank 4 stores high-temperature molten salt；At night
When, the high-temperature molten salt in the first valve 3 the first hot tank 4 of extraction is opened, the high-temperature molten salt in the first hot tank 4 passes through cold heat fused salt
After heat exchanger 2 exchanges heat, low-temperature molten salt is stored in the first cold tank 5.It is easy to operate and flexible.
The multipot type heat-storing device of the photo-thermal power station fused salt storage tank further includes the second valve 6, and the second valve 6 is connected to mirror
Between field heat collector 1 and the first hot tank 4.Second valve 6 can control the flow direction of fused salt, and the combination of valve sequence is more, easy to operate
And flexibly.
Embodiment 2:
As shown in Fig. 2, the multipot type heat-storing device of the photo-thermal power station fused salt storage tank further includes the second valve 6, hot/cold tank 7,
Three valves 8, the 4th valve 9 and the 5th valve 10, the second valve 6 are connected between the first hot tank 4 and hot/cold tank 7, hot/cold tank 7
Outlet the entrance of mirror field heat collector 1 is connected by third valve 8 all the way, the outlet another way of hot/cold tank 7 passes through the 5th valve
10 connection cold heat fused salt heat exchanging devices 2, one end of the 4th valve 9 is connected between cold heat fused salt heat exchanging device 2 and the first cold tank 5
On pipeline, the entrance of the other end connection hot/cold tank 7 of the 4th valve 9.By controlling the second valve 6, third valve 8, the 4th valve
Door 9 and the 5th valve 10, make the multipot type heat-storing device of photo-thermal power station fused salt storage tank that fused salt can be realized in collecting system, heat accumulation system
Circulation in system and heat-exchange system completes heat accumulation and heat release, and during the day, the low-temperature molten salt in the first cold tank 5 is through mirror field thermal-arrest
Device 1 exchanges heat, and the first hot tank 4 stores high-temperature molten salt, and hot/cold tank 7 is used as hot tank heat accumulation；At night, pumping takes the first heat
High-temperature molten salt in tank 4, the high-temperature molten salt in the first hot tank 4 is after the heat exchange of cold heat fused salt heat exchanging device 2, low-temperature molten salt storage
In the first cold tank 5 or it is stored in exothermic hot/cold tank 7.The present invention can build less 1 the on the basis of conventional 4 tank heat accumulation
One storage tank 11, it is possible to reduce land area reduces the initial outlay and operating cost of photo-thermal power station；Practical operation is simple and clever
It is living, it is only necessary to the opening sequence of control valve, and valve opening sequence combination is more.
Embodiment 3
As shown in figure 3, the multipot type heat-storing device of the photo-thermal power station fused salt storage tank further includes the second valve 6, hot/cold tank 7,
Three valves 8, the 4th valve 9, the 5th valve 10, the 6th valve 12, the 7th valve 13, the 8th valve 14, the second hot tank the 15, the 8th
Valve 17 and the 9th valve 18, the second valve 6 are connected between mirror field heat collector 1 and the first hot tank 4, the outlet of the first hot tank 4
It is sequentially connected third valve 8 and the second hot tank 15, the outlet of the second hot tank 15 passes through the 4th valve 9 connection cold heat fused salt all the way
The outlet another way of the entrance of heat exchanger 2, the second hot tank 15 connects hot/cold tank 7, cold heat fused salt heat exchanging by the 8th valve 14
The outlet of device 2 connects the entrance of the first cold tank 5 by the 5th valve 10 all the way, and the outlet another way of cold heat fused salt heat exchanging device 2 is logical
The 7th valve 13 connection hot/cold tank 7 is crossed, the 6th valve 12 is connected between the first cold tank 5 and hot/cold tank 7, mirror field heat collector 1
Outlet connection the 8th valve 17 entrance, the 8th valve 17 outlet all the way connect the second hot tank 15 entrance, the 8th valve
17 outlet another way connects the entrance of hot/cold tank 7 by the 9th valve 18.
By controlling the second valve 6, third valve 8, the 4th valve 9, the 5th valve 10, the 6th valve 12, the 7th valve
13, the 8th valve 14, the 8th valve 17 and the 9th valve 18 realize the multipot type heat-storing device of photo-thermal power station fused salt storage tank can
Circulation of the fused salt in collecting system, heat reservoir and heat-exchange system completes heat accumulation and heat release, during the day, in the first cold tank 5
Low-temperature molten salt exchange heat by mirror field heat collector 1, the first hot tank 4 and the second hot tank 15 can successively store high-temperature molten salt, heat/
Cold tank 7 is used as hot tank heat accumulation；At night, the high-temperature molten salt in the first hot tank 4 and the second hot tank 15 can be successively extracted, it can also
Extract the high-temperature molten salt in the first hot tank 4 and the second hot tank 15 simultaneously, high-temperature molten salt after the heat exchange of cold heat fused salt heat exchanging device 2,
Low-temperature molten salt is stored in the first cold tank 5 or is stored in exothermic hot/cold tank 7.The present invention is on the basis of conventional 6 tank heat accumulation
Build 2 storage tanks i.e. the first storage tank 11 and the second storage tank 16 less, it is possible to reduce land area, reduce photo-thermal power station initial outlay and
Operating cost；Practical operation is simply and flexible, it is only necessary to the opening sequence of control valve, and valve opening sequence combination is more.
Embodiment 4
A kind of multipot type heat-storing method of photo-thermal power station fused salt storage tank, during the day, the low-temperature molten salt in the first cold tank 5 is through Jing Chang
Heat collector 1 exchanges heat, and the first hot tank 4 stores high-temperature molten salt, and hot/cold tank 7 is used as hot tank heat accumulation；At night, first is extracted
High-temperature molten salt in hot tank 4, the high-temperature molten salt in the first hot tank 4 is after the heat exchange of cold heat fused salt heat exchanging device 2, low-temperature molten salt storage
There are in the first cold tank 5 or be stored in exothermic hot/cold tank 7.
First hot 4 quantity of tank can be to be multiple, and the quantity of hot/cold tank 7 one fewer than the quantity of the first hot tank 4, white
It when, the low-temperature molten salt in the first cold tank 5 exchanges heat through mirror field heat collector 1, and multiple first hot tanks 4 store high-temperature molten salts, more
A hot/cold tank 7 is used as hot tank heat accumulation；At night, the high-temperature molten salt in the first hot tank 4, the height in multiple first hot tanks 4 are extracted
After the heat exchange of cold heat fused salt heat exchanging device 2, low-temperature molten salt is stored in the first cold tank 5 or is stored in multiple exothermic temperature molten salt
In hot/cold tank 7.
It is the first hot tank 4 and the second hot tank 15, during the day, the first cold tank 5 that the quantity of the first hot tank 4, which is 2,
In low-temperature molten salt exchange heat by mirror field heat collector 1, the first hot tank 4 and the second hot tank 15 can successively store high-temperature molten salt,
Hot/cold tank 7 is used as hot tank heat accumulation；At night, the high-temperature molten salt in the first hot tank 4 and the second hot tank 15 can be successively extracted,
The high-temperature molten salt in the first hot tank 4 and the second hot tank 15 can also be extracted simultaneously, and high-temperature molten salt is changed by cold heat fused salt heat exchanging device 2
After heat, low-temperature molten salt is stored in the first cold tank 5 or is stored in exothermic hot/cold tank 7.
Pass through tank deck using the opening sequence of different valves as cold heat tank form by using one or more storage tanks
The pumping of pump for liquid salts recycles fused salt in collecting system, heat reservoir and heat-exchange system, and fused salt carries out heat accumulation and heat release, real
Now generate electricity, i.e., when have 2n(n be hot and cold tank battery number) a storage tank when, (n-1) a cold fused salt storage tank can be reduced, subtracted to reach
Few cold fused salt storage tank number, reduces the purpose of initial cost.
The foregoing examples are only illustrative of the present invention, does not constitute the limitation to protection scope of the present invention, all
It is within being all belonged to the scope of protection of the present invention with the same or similar design of the present invention.
Claims (7)
1. a kind of multipot type heat-storing device of photo-thermal power station fused salt storage tank, it is characterised in that: include at least mirror field heat collector (1),
Cold heat fused salt heat exchanging device (2), the first valve (3), the first hot tank (4), the first cold tank (5), the outlet of mirror field heat collector (1),
One hot tank (4), the first valve (3), cold heat fused salt heat exchanging device (2), the first cold tank (5) and mirror field heat collector (1) entrance successively
Connection.
2. the multipot type heat-storing device of photo-thermal power station fused salt storage tank as described in claim 1, it is characterised in that: the photo-thermal electricity
The multipot type heat-storing device for fused salt storage tank of standing further includes the second valve (6), the second valve (6) be connected to mirror field heat collector (1) and
Between first hot tank (4).
3. the multipot type heat-storing device of photo-thermal power station fused salt storage tank as described in claim 1, it is characterised in that: the photo-thermal electricity
The multipot type heat-storing device for fused salt storage tank of standing further includes the second valve (6), hot/cold tank (7), third valve (8), the 4th valve
(9) it is connected between the first hot tank (4) and hot/cold tank (7) with the 5th valve (10), the second valve (6), hot/cold tank (7) goes out
For mouth all the way by the entrance of third valve (8) connection mirror field heat collector (1), the outlet another way of hot/cold tank (7) passes through the 5th valve
Door (10) connection cold heat fused salt heat exchanging device (2), one end of the 4th valve (9) is connected to cold heat fused salt heat exchanging device (2) and first
On pipeline between cold tank (5), the entrance of other end connection hot/cold tank (7) of the 4th valve (9).
4. the multipot type heat-storing device of photo-thermal power station fused salt storage tank as described in claim 1, it is characterised in that: the photo-thermal electricity
The multipot type heat-storing device for fused salt storage tank of standing further includes the second valve (6), hot/cold tank (7), third valve (8), the 4th valve
(9), the 5th valve (10), the 6th valve (12), the 7th valve (13), the 8th valve (14), the second hot tank (15), the 8th valve
(17) it is connected between mirror field heat collector (1) and the first hot tank (4) with the 9th valve (18), the second valve (6), the first hot tank
(4) outlet is sequentially connected third valve (8) and the second hot tank (15), and the outlet of the second hot tank (15) passes through the 4th valve all the way
(9) entrance of cold heat fused salt heat exchanging device (2) is connected, the outlet another way of the second hot tank (15) is connected by the 8th valve (14)
Hot/cold tank (7), the outlet of cold heat fused salt heat exchanging device (2) pass through the entrance that the 5th valve (10) connects the first cold tank (5) all the way,
The outlet another way of cold heat fused salt heat exchanging device (2) passes through the 7th valve (13) connection hot/cold tank (7), the connection of the 6th valve (12)
Between the first cold tank (5) and hot/cold tank (7), the entrance of the 8th valve (17) of outlet connection of mirror field heat collector (1), the 8th
The outlet of valve (17) connects the entrance of the second hot tank (15) all the way, and the outlet another way of the 8th valve (17) passes through the 9th valve
(18) entrance of hot/cold tank (7) is connected.
5. a kind of multipot type heat-storing method of photo-thermal power station fused salt storage tank, it is characterised in that: during the day, in the first cold tank (5)
Low-temperature molten salt exchange heat through mirror field heat collector (1), the first hot tank (4) stores high-temperature molten salt, and hot/cold tank (7) is used as hot tank
Heat accumulation；At night, the high-temperature molten salt in the first hot tank (4) is extracted, the high-temperature molten salt in the first hot tank (4) is molten by cold heat
After salt heat exchanger (2) heat exchange, low-temperature molten salt is stored in the first cold tank (5) or is stored in exothermic hot/cold tank (7).
6. the multipot type heat-storing method of photo-thermal power station fused salt storage tank as claimed in claim 5, it is characterised in that: first heat
Tank (4) quantity can be to be multiple, and the quantity of hot/cold tank (7) is one fewer than the quantity of the first hot tank (4), during the day, the first cold tank
(5) low-temperature molten salt in exchanges heat through mirror field heat collector (1), and multiple first hot tanks (4) store high-temperature molten salt, multiple hot/colds
Tank (7) is used as hot tank heat accumulation；At night, the high-temperature molten salt in the first hot tank (4), the height in multiple first hot tanks (4) are extracted
For temperature molten salt after cold heat fused salt heat exchanging device (2) exchange heat, low-temperature molten salt is stored in the first cold tank (5) or is stored in multiple put
In the hot/cold tank (7) of heat.
7. the multipot type heat-storing method of photo-thermal power station fused salt storage tank as claimed in claim 6, it is characterised in that: first heat
It is the first hot tank (4) and the second hot tank (15) that the quantity of tank (4), which is 2, and during the day, the low temperature in the first cold tank (5) is molten
Salt exchanges heat by mirror field heat collector (1), and the first hot tank (4) and the second hot tank (15) can successively store high-temperature molten salt, hot/cold
Tank (7) is used as hot tank heat accumulation；At night, the high-temperature molten salt in the first hot tank (4) and the second hot tank (15) can be successively extracted,
The high-temperature molten salt in the first hot tank (4) and the second hot tank (15) can also be extracted simultaneously, and high-temperature molten salt passes through cold heat fused salt heat exchanging device
(2) after exchanging heat, low-temperature molten salt is stored in the first cold tank (5) or is stored in exothermic hot/cold tank (7).
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| CN201810735834.5A CN109059312B (en) | 2018-07-06 | 2018-07-06 | Multi-tank type heat storage device and method for fused salt storage tank of photo-thermal power station |
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| CN201810735834.5A CN109059312B (en) | 2018-07-06 | 2018-07-06 | Multi-tank type heat storage device and method for fused salt storage tank of photo-thermal power station |
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| CN109059312A true CN109059312A (en) | 2018-12-21 |
| CN109059312B CN109059312B (en) | 2020-03-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113187680A (en) * | 2021-05-27 | 2021-07-30 | 西安热工研究院有限公司 | Photovoltaic power generation system with electric heating energy storage and operation method |
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| CN206309538U (en) * | 2016-12-13 | 2017-07-07 | 张建城 | Solar energy is provided multiple forms of energy to complement each other thermal electric generator |
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| CN113187680A (en) * | 2021-05-27 | 2021-07-30 | 西安热工研究院有限公司 | Photovoltaic power generation system with electric heating energy storage and operation method |
| CN113187680B (en) * | 2021-05-27 | 2024-06-04 | 西安热工研究院有限公司 | Photovoltaic power generation system with electrothermal energy storage function and operation method |
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