CN105443332B - A kind of tower type solar solar-thermal generating system and its heat accumulation control method - Google Patents
A kind of tower type solar solar-thermal generating system and its heat accumulation control method Download PDFInfo
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- CN105443332B CN105443332B CN201410855546.5A CN201410855546A CN105443332B CN 105443332 B CN105443332 B CN 105443332B CN 201410855546 A CN201410855546 A CN 201410855546A CN 105443332 B CN105443332 B CN 105443332B
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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
- Y02E10/44—Heat exchange systems
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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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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/50—Energy storage in industry with an added climate change mitigation effect
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Abstract
The present invention relates to a kind of tower type solar solar-thermal generating system and its heat accumulation control method, wherein tower type solar solar-thermal generating system includes：For collecting the solar energy heat collector of solar thermal energy, for generating the heat exchanger of overheat saturated vapor, for the heat power conversion equipment that saturated vapor is converted into electric energy will to be overheated；Solar energy heat collector includes multiple tower photo-thermal modules；Multiple tower photo-thermal modules are included using the tower photo-thermal module of A classes for concentrating heat accumulation and the tower photo-thermal module of B classes using distributed heat accumulation.The present invention program can design thermal energy storage amount according to night power demand, can will be stored in when night without the vapor of energy storage in steam storage cylinder, to reduce the heat preservation energy consumption at night；Tower photo-thermal module is used simultaneously, can simplify Construction procedures, the completion time of project is reduced, can more reduce Power Plant Design cost of investment, also can guarantee the continuation and stability of entire electricity generation system power supply.
Description
Technical field
The present invention relates to technical field of electric power, more specifically to a kind of tower type solar solar-thermal generating system and its
Heat accumulation control method.
Background technology
Tower type solar solar-thermal generating system have wide in range thermal field with can field match settings, focusing ratio be big, focus temperature
It is high, energy-flux density is big, thermal technology's high conversion efficiency, have a wide range of application etc. excellent long feature, can carry out extensive：Photo-thermal power generation, water
Numerous solar use exploitations such as hydrogen manufacturing, sea water desalination, metal smelt.Therefore, tower type solar solar-thermal generating system is a kind of
The solar energy diversification utilization platform of valuable potentiality.
Once there are many developed country, carried out the research of tower type solar generation technology.However this technology so far
Development is still subject to many resistances to be stranded, and reason mainly has at 2 points：First, heliostat tracking cost is excessively high, this is because remote tracking
Required precision it is high, it is necessary to reach gear gapless driving, thus caused harsh make is the original for raising tracking cost
Cause；Second is that power generation scale is too small, generation expansion is extremely restricted, since tower-type electricity generation scale depends on heliostat field scale,
Photo-thermal power generation scale is bigger, cost decline space it is bigger, but when heliostat field popularization to a certain extent after, entirety
The downward trend that falls sharply is presented in efficiency.Therefore, current tower type solar electricity generation system cost of electricity-generating remains high, will from the marketization
Asking still has larger distance.
The content of the invention
The technical problem to be solved in the present invention is, for the drawbacks described above of the prior art, provides a kind of sustainable, steady
Fixed, the tower type solar solar-thermal generating system of efficiency power generation and its heat accumulation control method.
The technical solution adopted by the present invention to solve the technical problems is：
A kind of tower type solar solar-thermal generating system is constructed, including：For collecting the solar energy heat collector of solar thermal energy,
It is connected with the solar energy heat collector, is connected, is used for for the heat exchanger of generation overheat saturated vapor and with the heat exchanger
The overheat saturated vapor is converted into the heat power conversion equipment of electric energy；Wherein, the solar energy heat collector includes multiple
With the tower photo-thermal module for collecting solar thermal energy；Multiple tower photo-thermal modules are included using the A class towers for concentrating heat accumulation
Formula photo-thermal module and the tower photo-thermal module of B classes using distributed heat accumulation.
Tower type solar solar-thermal generating system of the present invention, wherein, the tower photo-thermal module of A classes includes gathering
First heliostat of burnt sunlight and the first photo-thermal tower for being provided with the first heat collector；
Multiple tower photo-thermal modules of A classes are heated thermal technology commonly through one for storing in first heat collector
The centralized heat storage units of matter thermal energy are connected with the heat exchanger.
Tower type solar solar-thermal generating system of the present invention, wherein, each tower photo-thermal module of B classes includes using
The second heliostat in sunlight focusing and the second photo-thermal tower including being provided with the second heat collector, further include and described second
The connection of photo-thermal tower, for storing in second heat collector by the distributed heat storage units of heating hot working fluid thermal energy.
Tower type solar solar-thermal generating system of the present invention, wherein, the heat exchanger includes multiple sub- heat exchangers, often
A tower photo-thermal module of B classes includes a sub- heat exchanger.
Tower type solar solar-thermal generating system of the present invention, wherein, each the tower photo-thermal module of B classes is described
The high-temperature steam heat-storing device and the heat power converting means that sub- heat exchanger is used to store supersaturated hot steam commonly through one
Put connection.
Tower type solar solar-thermal generating system of the present invention, wherein, all tower photo-thermal modules of A classes all use fused salt
As hot working fluid, all tower photo-thermal modules of B classes are all using fused salt as hot working fluid, the tower photo-thermal module of A classes and the B
It is connected in series or in parallel between the tower photo-thermal module of class.
Tower type solar solar-thermal generating system of the present invention, wherein, a part of tower photo-thermal module of A classes uses
Fused salt is as hot working fluid, and the tower photo-thermal module of A classes described in another part is using steam as hot working fluid, the tower photo-thermal of B classes
Module is all using fused salt as hot working fluid；
Using fused salt as the tower photo-thermal module of A classes of hot working fluid and using the A class of the steam as hot working fluid
It is all connected in parallel between tower photo-thermal module, it is in parallel between the tower photo-thermal module of A classes and the tower photo-thermal module of B classes
Connection.
Tower type solar solar-thermal generating system of the present invention, wherein, the single tower photo-thermal module generated output
For 10-25MW.
The present invention also provides a kind of heat accumulation controls based on front any one of them tower type solar solar-thermal generating system
Method processed, wherein, comprise the following steps：
Obtain night power consumption and with it is hot, with vapour demand parameter；
It generates to control the B class towers with distributed heat accumulation according to the night power consumption and with heat, with vapour demand parameter
First control instruction of the thermal energy storage amount in formula photo-thermal module；
First control instruction is performed, in each distributed heat storage units for adjusting the tower photo-thermal module of B classes
Thermal energy storage amount is respectively used to power generation, heat supply and steam supply.
Heat accumulation control method of the present invention, wherein, further include step：
The vapor for the tower photo-thermal module of A classes for using water as heat-transfer working medium is stored in centralized steam storage tank
In；
Fused salt is stored in the tower photo-thermal mould of the A classes by the tower photo-thermal module of A classes by the use of fused salt as heat-transfer working medium
In the centralized fused salt tank of block；
Obtain current time parameter；
When the current time is night, the tower photo-thermal mould of the A classes that control uses water as heat-transfer working medium is generated
The second control instruction that block is stopped；
Perform second control instruction.
The beneficial effects of the present invention are：By using the tower photo-thermal module of A classes for concentrating heat accumulation and using distributed storage
The tower photo-thermal module of B classes of heat so that tower type solar solar-thermal generating system can according to night electricity consumption and with it is hot, with vapour demand
Thermal energy storage amount is designed, can will be stored in when night without the vapor of energy storage in steam storage cylinder, by the mould with energy storage
Block is needed by parameter, realizes power supply, heat supply, steam supply, effective use of energy sources；And the system has modular solar power simultaneously
Tower photo-thermal module when building large-scale photo-thermal power station again, need to only be replicated, can simplify Construction procedures, reduced by heat collector
Completion time of project can more reduce generation system designs cost of investment.
Description of the drawings
Below in conjunction with accompanying drawings and embodiments, the invention will be further described, in attached drawing：
It is tower comprising the tower photo-thermal module of A classes and the tower photo-thermal module of B classes while Fig. 1 is present pre-ferred embodiments
Solar light-heat power-generation system principle schematic diagram one；
It is tower comprising the tower photo-thermal module of A classes and the tower photo-thermal module of B classes while Fig. 2 is present pre-ferred embodiments
Solar light-heat power-generation system principle schematic diagram two；
Fig. 3 is the tower photo-thermal module principle schematic of single A classes of present pre-ferred embodiments；
Fig. 4 is the tower photo-thermal module principle schematic of single B classes of present pre-ferred embodiments.
Specific embodiment
The tower type solar solar-thermal generating system principle of present pre-ferred embodiments as depicted in figs. 1 and 2, including：For
The solar energy heat collector of solar thermal energy is collected, is connected with solar energy heat collector, the heat exchange for generating overheat saturated vapor
It device and is connected with heat exchanger, for the heat power conversion equipment 24 that saturated vapor is converted into electric energy will to be overheated；Solar energy heating fills
Put has the tower photo-thermal module 11,12 for collecting solar thermal energy including multiple；And multiple tower photo-thermal modules are included using collection
The tower photo-thermal module of A classes of middle heat accumulation and the tower photo-thermal module of B classes using distributed heat accumulation.So tower type solar photo-thermal is sent out
Electric system can design thermal energy storage amount according to night power demand, can will be stored when night without the vapor of energy storage
In steam stores up cylinder, to reduce the heat preservation energy consumption at night.Moreover, by using with the tower of modularized solar energy collecting device
Tower photo-thermal module when building large-scale photo-thermal power station again, need to only be replicated, can simplify power station by solar light-heat power-generation system
Construction procedures reduce the completion time of project, can more reduce generation system designs cost of investment.
Meanwhile using above-mentioned tower type solar solar-thermal generating system, the powered stable of entire electricity generation system can also be increased
Property.If the photo-thermal power station of single column, no matter which partly goes wrong, and the stability of entire electricity generation system can all be subject to shadow
It rings, after using modular solar power solar-thermal generating system, single column, which goes wrong, does not interfere with the working condition of other modules,
It ensure that the continuation and stability of entire electricity generation system power supply.In addition, using above-mentioned tower type solar solar-thermal generating system, go back
The efficiency of heliostat mirror field can be improved.If large-scale single column solar-thermal generating system, the Jing Chang of distal end is with a distance from tower top
Very remote, efficiency is very low, after using tower type solar solar-thermal generating system, can reduce Jing Chang with a distance from tower top, improves
The efficiency of Jing Chang reduces mirror scene product and investment.
In above-described embodiment, the heat power conversion equipment 24 of tower type solar solar-thermal generating system is preferably steam turbine generator
Group, concrete model are unlimited.
In a further embodiment, as shown in Figure 1, Figure 2 and Figure 3, above-mentioned tower type solar solar-thermal generating system is formed
In multiple tower photo-thermal modules 11,12 of solar energy heat collector include：The tower photo-thermal module 11 of A classes.Wherein, each A
The tower photo-thermal module 11 of class include for sunlight focusing the first heliostat 111 and be provided with the of the first heat collector (not shown)
One photo-thermal tower 112；Multiple tower photo-thermal modules 11 of A classes are used to store in the first heat collector by heating hot working fluid commonly through one
The centralized heat storage units 113 of thermal energy are connected with heat exchanger 22.
Referring to Fig. 1, above-mentioned tower 11 workflow of photo-thermal module of A classes is：Sunlight is reflected by the first heliostat 111, is gathered
Burnt sunlight simultaneously heats the hot working fluid in 112 the first heat collector of tower top of the first photo-thermal tower, and the first of all tower photo-thermal modules 11 of A classes
In heat collector by heating hot working fluid thermal energy storage in common centralized heat storage units 113, the thermal energy of storage passes through heat exchanger
22 generate overheat saturated vapor, heat power conversion equipment 24 to be promoted to generate electricity.
Preferably, as shown in Figure 1, being also associated between the photo-thermal tower of above-mentioned heat exchanger and the tower photo-thermal module 11 of A classes low
Warm steam heat-storing device 23, the hot working fluid after the heat exchange of heat exchanger 22 are pumped into the heating of 112 tower top of the first photo-thermal tower again, to carry out
It recycles.
In a further embodiment, as shown in Figure 1, Figure 2 and Figure 4, above-mentioned tower type solar solar-thermal generating system is formed
In solar energy heat collector multiple tower photo-thermal modules 11,12 in further include simultaneously：The tower photo-thermal module 12 of B classes.Wherein,
The tower photo-thermal module 12 of each B classes includes the second heliostat 121 for sunlight focusing, the second light for being provided with the second heat collector
Thermal tower 122 and be connected with the second photo-thermal tower 122, for store the second heat collector in by heating hot working fluid thermal energy distribution store up
Hot cell 124.
That is, the above-mentioned tower photo-thermal module 11 of A classes is the not independent photo-thermal module with heat storage units, simply by using one
Centralized heat storage units 113 realize centralized heat accumulation；The tower photo-thermal module 12 of B classes is individually with distributed heat storage units 124
Photo-thermal module.
Preferably, as shown in figure 4, in above-described embodiment, each tower photo-thermal module 12 of B classes is all connected with a sub- heat exchanger
123, the sub- heat exchanger 123 of each tower photo-thermal module 12 of B classes is connected to heat through a common high-temperature steam heat-storing device 13
Power switching device 24 will be delivered to heat power conversion after supersaturated hot steam storage caused by each sub- heat exchanger 123
Device 24 generates electricity.
As shown in Figure 2 and Figure 4, tower 12 workflow of photo-thermal module of above-mentioned B classes is：Sun is reflected by the second heliostat 121
Light, sunlight focusing simultaneously heat the hot working fluid in 122 the second heat collector of tower top of the second photo-thermal tower, the hot working fluid heated, a part
Heat is stored by distributed heat storage units 124, another part generates overheat saturated vapor by heat exchanger 123, to promote heat
Power switching device 24 generates electricity.
Preferably, as shown in figure 4, in above-described embodiment, the sub- heat exchanger 123 of each tower photo-thermal module 12 of B classes and
A Low Temperature Steam heat-storing device 125 is all connected between two photo-thermal towers 122, through sub- heat exchanger 123 heat exchange after hot working fluid again by
It pumps to 122 tower top of the second photo-thermal tower and heats, to be recycled.
In above-described embodiment, the high-temperature steam heat-storing device 13 of tower type solar solar-thermal generating system includes a heat accumulation
Tank is made of multiple heat storage cans.
In above-described embodiment, compared with the tower photo-thermal module 12 of B classes, although using the tower photo-thermal module 11 of A classes to being produced
Raw overheat saturated vapor utilization rate meeting relative reduction, but the construction of entire tower type solar solar-thermal generating system can be saved
Cost.Compared with the tower photo-thermal module 11 of A classes, although entire tower type solar light can be increased using the tower photo-thermal module 12 of B classes
The construction cost of heat generating system, but since the profit to overheating saturated vapor caused by each tower photo-thermal module can be improved
With rate, so as to improve the generating efficiency of entire tower type solar solar-thermal generating system.
In above-described embodiment, the tower photo-thermal module 11 of A classes is preferably stored up using steam or fused salt as heat collector and centralization
The hot working fluid of hot cell；The tower photo-thermal module 12 of B classes is preferably using thermal technology of the fused salt as heat collector and distributed heat storage units
Matter.
In a specific embodiment 1, the tower photo-thermal module 11 of all A classes in tower type solar solar-thermal generating system
All using steam as hot working fluid, the tower photo-thermal module 12 of all B classes all using fused salt as hot working fluid, at least there are two A classes
Tower photo-thermal module 11 is connected (or in parallel) connection, alternatively, at least there are two the tower photo-thermal modules 12 of B classes to connect (or in parallel) even
It connects, is connected in parallel between the tower photo-thermal module 11 of A classes and the tower photo-thermal module 12 of B classes.
In a specific embodiment 2, the tower photo-thermal module 11 of all A classes in tower type solar solar-thermal generating system
All using fused salt as hot working fluid, the tower photo-thermal module 12 of all B classes all using fused salt as hot working fluid, at least there are two A classes
Tower photo-thermal module 11 is connected (or in parallel) connection, alternatively, at least there are two the tower photo-thermal modules 12 of B classes to connect (or in parallel) even
It connects, it is connected in series or in parallel between the tower photo-thermal module 11 of A classes and the tower photo-thermal module 12 of B classes.
In a specific embodiment 3, a part of tower photo-thermal module of A classes in tower type solar solar-thermal generating system
11 using fused salts as hot working fluid, for the tower use steam of photo-thermal module 11 of another part A classes as hot working fluid, all B classes are tower
Photo-thermal module 12 is all using fused salt as hot working fluid；It is steamed using A class tower photo-thermal module 11 of the fused salt as hot working fluid with using
Vapour is all connected in parallel as between the tower photo-thermal module 11 of A classes of hot working fluid, between the tower photo-thermal module 12 of B classes series connection or simultaneously
Connection connection, is connected in parallel between the tower photo-thermal module 11 of A classes and the tower photo-thermal module 12 of B classes.
In another preferred embodiment, above-mentioned modular solar power electricity generation system includes 20 tower photo-thermal modules, each
The generated output of tower photo-thermal module is 10MW；Including the tower photo-thermal module 11 of 10 A classes and the tower photo-thermal mould of 10 B classes
When 12,10 B classes with heat accumulation of block tower 12 heat accumulation time of photo-thermal module is 8 small, the tower photo-thermal mould of 10 A classes without heat accumulation
Block is by superheated steam generation, when the concentration heat accumulation time is 2 small.
In the various embodiments described above, single tower photo-thermal module generated output can be 5-100MW, be preferably 10-25MW, with
It is optimal generating effect, but is not limited to the tower photo-thermal module using other power.
A kind of heat accumulation for above-mentioned tower type solar solar-thermal generating system is additionally provided in an alternative embodiment of the invention
Control method comprises the following steps：Obtain night power consumption and with it is hot, with vapour demand parameter；According to night power consumption and with heat,
Generate to control the first control of the thermal energy storage amount in the tower photo-thermal module of B classes with distributed heat accumulation with vapour demand parameter
Instruction；Above-mentioned first control instruction is performed, adjusts the thermal energy storage in each distributed heat storage units of the tower photo-thermal module of B classes
Amount is respectively used to power generation, heat supply and steam supply.Wherein, night power consumption demand generation can be daily according to user by power consumption control system
Consumption habit analysis obtains, with heat, being obtained with enthusiasm condition according to local factory night steam consumption and four seasons resident with vapour parameter
It takes, by various parameters situation, adjusts night each distributed energy storage system and be respectively used to power generation, heat supply and steam supply, distribution storage
Energy system can independently get up power generation, steam supply, heat supply each unit, it is ensured that each unit operation does not influence mutually, ensures each
The stability of unit realizes the accurate control to thermal energy storage, improves energy utilization rate to greatest extent.
Preferably, the above method further includes step：The vapor of the tower photo-thermal module of heat-transfer working medium A classes will be used water as
It is stored in centralized steam storage tank；Fused salt is stored in A classes by the tower photo-thermal module of A classes by the use of fused salt as heat-transfer working medium
In the centralized fused salt tank of tower photo-thermal module；Obtain current time parameter；When current time is night, biography is used water as
Vapor is stored in the centralized steam storage tank of the tower photo-thermal module of A classes by the tower photo-thermal module of A classes of hot working fluid, such is tower
Photo-thermal module will be stopped at night, and fused salt is stored in A classes by the tower photo-thermal module of A classes by the use of fused salt as heat-transfer working medium
Second control instruction of the centralized fused salt tank of tower photo-thermal module；Perform above-mentioned second control instruction.It so can be at night
When can will without the vapor of energy storage be stored in steam storage cylinder in, the module with energy storage is needed by parameter, realize supply
Electricity, heat supply, steam supply, effective use of energy sources.
To sum up, the present invention program can design thermal energy storage amount according to night power demand, can will not when night
Vapor with energy storage is stored in steam storage cylinder, and the module with energy storage by parameter is needed, realizes power supply, heat supply, steam supply,
Effective use of energy sources；Simultaneously by using tower photo-thermal module, Construction procedures can be simplified, the completion time of project is reduced, can more subtract
Few Power Plant Design cost of investment also can guarantee the continuation and stability of entire electricity generation system power supply.
It should be appreciated that for those of ordinary skills, can be improved or converted according to the above description,
And all these modifications and variations should all belong to the protection domain of appended claims of the present invention.
Claims (9)
1. a kind of heat accumulation control method based on tower type solar solar-thermal generating system, tower type solar solar-thermal generating system bag
It includes：For collecting the solar energy heat collector of solar thermal energy, it is connected with the solar energy heat collector, overheats saturation for generating
The heat exchanger of steam and be connected with the heat exchanger, for by it is described overheat saturated vapor be converted into electric energy heat power convert
Device；It is characterized in that, the solar energy heat collector includes multiple tower photo-thermal modules for having and collecting solar thermal energy；It is multiple
The tower photo-thermal module includes using the tower photo-thermal module of A classes for concentrating heat accumulation and tower using the B classes of distributed heat accumulation
Photo-thermal module, which is characterized in that comprise the following steps：
Obtain night power consumption and with it is hot, with vapour demand parameter；
It generates to control the tower light of B classes with distributed heat accumulation according to the night power consumption and with heat, with vapour demand parameter
First control instruction of hot-die thermal energy storage amount in the block；
First control instruction is performed, adjusts the thermal energy in each distributed heat storage units of the tower photo-thermal module of B classes
Amount of storage is respectively used to power generation, heat supply and steam supply.
2. heat accumulation control method according to claim 1, which is characterized in that the tower photo-thermal module of A classes includes being used for
First heliostat of sunlight focusing and the first photo-thermal tower for being provided with the first heat collector；
Multiple tower photo-thermal modules of A classes are warm by heating hot working fluid in first heat collector for storing commonly through one
The centralized heat storage units of energy are connected with the heat exchanger.
3. heat accumulation control method according to claim 2, which is characterized in that each tower photo-thermal module of B classes includes
The second heliostat for sunlight focusing and the second photo-thermal tower including being provided with the second heat collector further include and described
The connection of two photo-thermal towers, for storing in second heat collector by the distributed heat storage units of heating hot working fluid thermal energy.
4. heat accumulation control method according to claim 3, which is characterized in that the heat exchanger includes multiple sub- heat exchangers,
Each tower photo-thermal module of B classes includes a sub- heat exchanger.
5. heat accumulation control method according to claim 4, which is characterized in that the institute of each tower photo-thermal module of B classes
Sub- heat exchanger is stated to convert with the heat power for storing the high-temperature steam heat-storing device of supersaturated hot steam commonly through one
Device connects.
6. heat accumulation control method according to claim 5, which is characterized in that all tower photo-thermal modules of A classes are all using molten
Salt as hot working fluid, all tower photo-thermal modules of B classes all using fused salt as hot working fluid, the tower photo-thermal module of the A classes and institute
It states connected in series or in parallel between the tower photo-thermal module of B classes.
7. heat accumulation control method according to claim 5, which is characterized in that a part of tower photo-thermal module of A classes is adopted
By the use of fused salt as hot working fluid, the tower photo-thermal module of A classes described in another part is using steam as hot working fluid, the tower light of B classes
Thermal modules are all using fused salt as hot working fluid；
It is tower as the A classes of hot working fluid as the tower photo-thermal module of A classes and use steam of hot working fluid using fused salt
It is all connected in parallel between photo-thermal module, it is in parallel between the tower photo-thermal module of A classes and the tower photo-thermal module of B classes to connect
It connects.
8. heat accumulation control method according to claim 1, which is characterized in that the single tower photo-thermal module generated output
For 10-25MW.
9. according to claim 1-8 any one of them heat accumulation control methods, which is characterized in that further include step：
The vapor for the tower photo-thermal module of A classes for using water as heat-transfer working medium is stored in centralized steam storage tank；
Fused salt is stored in the tower photo-thermal module of A classes by the tower photo-thermal module of A classes by the use of fused salt as heat-transfer working medium
In centralized fused salt tank；
Obtain current time parameter；
When the current time is night, generates the tower photo-thermal module of A classes for controlling and using water as heat-transfer working medium and stop
The second control instruction only to work；
Perform second control instruction.
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| CN102980169A (en) * | 2012-11-29 | 2013-03-20 | 杭州锅炉集团股份有限公司 | Thermodynamic system combined with solar energy water heat absorption device and low limit load boiler |
| CN103742373A (en) * | 2013-12-25 | 2014-04-23 | 青海中控太阳能发电有限公司 | Tower solar thermal power plant utilizing supercritical water heat absorber and molten salt heat storage |
| CN204458231U (en) * | 2014-12-31 | 2015-07-08 | 深圳市爱能森科技有限公司 | A kind of tower type solar solar-thermal generating system |
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Denomination of invention: Solar thermal power generation system and its control method Effective date of registration: 20200914 Granted publication date: 20180525 Pledgee: Bank of Communications Limited Shenzhen Branch Pledgor: SHENZHEN ENESOON SCIENCE & TECHNOLOGY Co.,Ltd. Registration number: Y2020980006007 |
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Effective date of registration: 20230616 Address after: Room 1901, building 2, Hualing international building, 722 Beiyi Road, Dongying District, Dongying City, Shandong Province 257000 Patentee after: Shandong ainengsen New Material Technology Co.,Ltd. Address before: 8 / F, incubation building, China Academy of science and technology, 009 Gaoxin South 1st Road, Nanshan District, Shenzhen, Guangdong 518057 Patentee before: SHENZHEN ENESOON SCIENCE & TECHNOLOGY Co.,Ltd. |