CN106225541A - The tower solar-thermal generating system of the many heat collectors of single column formula - Google Patents

The tower solar-thermal generating system of the many heat collectors of single column formula Download PDF

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Publication number
CN106225541A
CN106225541A CN201610568922.1A CN201610568922A CN106225541A CN 106225541 A CN106225541 A CN 106225541A CN 201610568922 A CN201610568922 A CN 201610568922A CN 106225541 A CN106225541 A CN 106225541A
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China
Prior art keywords
heat
working medium
thermal
superheated steam
tower
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CN201610568922.1A
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Chinese (zh)
Inventor
曾智勇
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Shenzhen Enesoon Science & Technology Co Ltd
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Shenzhen Enesoon Science & Technology Co Ltd
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Priority to CN201610568922.1A priority Critical patent/CN106225541A/en
Publication of CN106225541A publication Critical patent/CN106225541A/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28DHEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D20/00Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
    • F28D20/0034Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using liquid heat storage material
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03GSPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
    • F03G6/00Devices for producing mechanical power from solar energy
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22STEAM GENERATION
    • F22GSUPERHEATING OF STEAM
    • F22G1/00Steam superheating characterised by heating method
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24SSOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S10/00Solar heat collectors using working fluids
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03GSPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
    • F03G6/00Devices for producing mechanical power from solar energy
    • F03G2006/008Devices for producing mechanical power from solar energy with a tower
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28DHEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D20/00Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
    • F28D20/0034Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using liquid heat storage material
    • F28D2020/0047Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using liquid heat storage material using molten salts or liquid metals
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/40Solar thermal energy, e.g. solar towers
    • Y02E10/44Heat exchange systems
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/40Solar thermal energy, e.g. solar towers
    • Y02E10/46Conversion of thermal power into mechanical power, e.g. Rankine, Stirling or solar thermal engines
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/14Thermal energy storage

Abstract

The present invention relates to Application of Solar Energy field, be specifically related to a kind of single column formula tower solar-thermal generating system of many heat collectors.Including photothermal deformation system, heat transfer heat reservoir and dynamical system;Described photothermal deformation system includes Jing Chang, collecting system and 1 collection thermal tower;Described collecting system comprises at least one device of working medium heat collector and at least one non-aqueous accumulation of heat working medium heat collector, and multiple heat collectors of described collecting system are arranged on same described collection thermal tower;Described dynamical system is TRT;Described heat transfer heat reservoir includes the first device of working medium loop, non-aqueous accumulation of heat working medium loop and the second device of working medium loop;The present invention uses the design of the many heat collectors of single column formula, is used for immediately generating electricity and system warm-up by device of working medium heat collector, and non-aqueous accumulation of heat working medium heat collector generates electricity for heat accumulation, it is ensured that the stability of supply of electric power and seriality, improves photo-thermal conversion efficiency, reduces cost.

Description

The tower solar-thermal generating system of the many heat collectors of single column formula
Technical field
The present invention relates to a kind of single column formula tower solar-thermal generating system of many heat collectors, belong to Application of Solar Energy field.
Background technology
Solar light-heat power-generation is to utilize large scale array parabolic or dish minute surface to collect solar thermal energy, passes through heat-exchanger rig Steam is provided, in conjunction with the technique of tradition steam turbine generator, thus reaches the purpose of generating.Relative to other emerging energy technology, Solar light-heat power-generation avoids the upstream components technique (such as crystal silicon) of costliness, production procedure energy-conserving and environment-protective, greatly reduces too Total social cost that sun can generate electricity, and the water of burn-out can be stored in huge container, remains able to after the sun sets Drive turbine generator.In general, solar light-heat power-generation form has slot type, tower, dish-style (disc type), linear Fresnel formula four The system of kind.
Tower solar-thermal generating system is to focus in tower by the solar energy ray absorbed, to heat transfer operation material heat into And a kind of concentration solar generating technology generated electricity.Condenser system is by the heliostat of many biaxial solar tracing systems and centralized Thermal tower is constituted.It is characterized in that heat accumulation scheme is simple, pipeline is short, focusing ratio is high, operating temperature higher (up to 800~1000 DEG C), Its annual generating efficiency can reach 17%~20%, higher than slot type.Tower solar-thermal generating system is research at present and application Focus, existing tower solar-thermal generating system can be divided into the most tower and modularity is tower.
There are some problems in the most extensive tower solar-thermal generating system:
1, centralized thermal tower is provided with a heat collector, and advantage is low cost, but heat collector once goes wrong, and needs During maintenance, the stable operation in whole power station then it cannot be guaranteed that.
2, the heat-transfer working medium of heat collector commonly uses device of working medium or fused salt working medium: the heat transfer of (1) single device of working medium, the advantage of heat accumulation are Simple in construction, reliable operation, shortcoming is High Temperature High Pressure operating environment, and energy storage technology difficulty is big.(2) single device of working medium heat transfer, fused salt The advantage of heat accumulation is that tower structure is simple, fused salt is not required to tower;Water is nontoxic, corrosivity is little, be prone to transport;Steam generation technique is applied Relative maturity;The cost of investment of heat-transfer working medium is low.Shortcoming is that water vapour heat transfer coefficient is little, and thermal capacity is low, and energy-flux density is little, thermal-arrest Device efficiency is low relative to fused salt heat collector;The high pressure characteristics of water vapour, to heat collector and the pressure performance requirement of accessory structure part Height, collecting system cost is high;Energy-storage system needs secondary heat exchange, increases heat loss.(3) single fused salt refrigerant heat transfer, heat accumulation are many One conversion links, causes thermal losses.
Modularity tower design can realize quickly designing, Fast Installation, and extensibility is extremely strong, even if some collection thermal tower Breaking down or need to safeguard, properly functioning on whole power station does not results in the biggest impact yet, solves power station stable operation Problem, but use multitower pattern set up tower power station land occupation area bigger.Reduce cost the most to greatest extent, carry High generation efficiency becomes the study hotspot of tower power station.
At present, yet there are no the relevant report of single column formula many heat collectors tower power station.
Summary of the invention
Demand according to above-mentioned field and deficiency, the present invention provides a kind of tower solar-thermal generating system, and this system uses single Tower many heat collectors, solve the problem that multitower pattern cost is high.
The technical scheme being claimed is as follows:
A kind of single column formula tower solar-thermal generating system of many heat collectors, including photothermal deformation system, heat transfer heat reservoir and dynamic Force system;
Described photothermal deformation system includes Jing Chang, collecting system and 1 collection thermal tower;
Described collecting system comprises at least one device of working medium heat collector and at least one non-aqueous accumulation of heat working medium heat collector, described Multiple heat collectors of collecting system are arranged on same described collection thermal tower;
Described dynamical system is TRT, for the heat energy of reception being converted into electric energy and exporting electric energy;
Described heat transfer heat reservoir includes the first device of working medium loop, non-aqueous accumulation of heat working medium loop and the second device of working medium loop;
Entering of the outlet of described device of working medium heat collector, TRT, condenser, deoxygenation demineralization plant and device of working medium heat collector Mouth is sequentially connected the described first device of working medium loop of formation by device of working medium pipeline;The heat energy of the steam that device of working medium heat collector produces is used In being supplied directly to TRT generating;
The outlet of described non-aqueous accumulation of heat working medium heat collector, high-temperature heat-storage tank, superheated steam generator, steam generator, pre- Hot device, low temperature heat storage can and non-aqueous accumulation of heat working medium heat collector import are sequentially connected formation for heat by non-aqueous accumulation of heat working medium pipeline Can store and the described non-aqueous accumulation of heat working medium loop of conversion;
The outlet of described deoxygenation demineralization plant, described preheater, steam generator, superheated steam generator, TRT, solidifying Vapour device, deoxygenation demineralization plant import form the second device of working medium loop by device of working medium pipeline;
Recirculated water in described second device of working medium loop can pass through described preheater, steam generator, superheated steam generation The heat energy generation superheated steam that device absorbs in non-aqueous accumulation of heat working medium loop generates electricity.
Preferably, in described first device of working medium loop, also the outlet of described device of working medium heat collector and TRT it Between be provided with superheated steam storage tank.
Preferably, in described second device of working medium loop, the outlet of described superheated steam generator and described TRT Between be provided with superheated steam storage tank.
Preferably, in described first device of working medium loop, also the outlet of described device of working medium heat collector and TRT it Between be provided with superheated steam storage tank;And the outlet of the superheated steam generator in described second device of working medium loop connects described first Superheated steam storage tank in device of working medium loop, and the first device of working medium loop share from superheated steam storage tank to TRT between Pipeline.
Preferably, described non-aqueous accumulation of heat working medium is high temperature thermal medium, including fused salt or conduction oil.
Preferably, multiple heat collectors of described collecting system are arranged above and below, or a direction, four directions, six directions or in many ways To being arranged on collection thermal tower.
The single column formula tower solar-thermal generating system of many heat collectors that the present invention provides, the most just has a collection thermal tower, has single column The advantage of formula photo-thermal collection thermal tower, such as heat accumulation scheme is simple, pipeline is short, focusing ratio is high, operating temperature relatively advantages of higher, it is only necessary to enclose Arranging Jing Chang around a collection thermal tower, floor space is little, low cost;Meanwhile, thermal-arrest tower top arranges at least one device of working medium collection Hot device and at least one non-aqueous accumulation of heat working medium heat collector, two heat collectors have the most independent heat transfer heat accumulation connected each other again and follow Ring passage.Even if the one of which on tower or a heat collector need to repair, do not interfere with holding of whole solar-thermal generating system yet Continuous property.The most also there is the major advantage of modularity tower design system, such as, quickly design, Fast Installation, extensibility pole By force, even if some heat collector breaks down or needs to safeguard, properly functioning on whole power station does not results in the biggest impact yet, The problem solving power station stable operation.
During operation, in some currently preferred embodiments of the present invention, in the first device of working medium loop, device of working medium heat collector is by the sun Can be converted into heat energy, heating device of working medium produces high pressure superheated steam, and flows to TRT by superheated steam storage tank, directly For generating electricity, the water vapour of cooling condenses into water through condenser, returns after the oxygen in deoxygenation demineralization plant removing water and salinity In device of working medium heat collector, complete device of working medium circulation;The device of working medium of heating is in addition to being directly used in generating, it is possible to the most direct Hot water, vapours etc. are provided.
In non-aqueous accumulation of heat working medium loop, non-aqueous accumulation of heat working medium heat collector converts solar energy into heat energy, and heating is from low The non-aqueous accumulation of heat working medium of temperature heat storage can, is stored in high-temperature heat-storage tank, when sunlight deficiency, opens non-aqueous accumulation of heat working medium return valve Door, be stored in non-aqueous accumulation of heat working medium in high-temperature heat-storage tank be transported to superheated steam generator, steam generator, preheater thus add Device of working medium in heat the second device of working medium closed circuit produces superheated vapour, and flows to TRT by superheated steam storage tank Generating, the non-aqueous accumulation of heat working medium of cooling returns again to low temperature heat storage can, thus completes non-aqueous accumulation of heat working medium circulation.
Night or cloudy day when, the heat energy being stored in high-temperature heat-storage tank is by heating in the second device of working medium loop Water becomes superheated steam, and flows to TRT, it is achieved generating continuously in 24 hours.
In preferred implementation in the present invention, described superheated steam storage tank acts primarily as cushioning effect.First device of working medium returns Road and the second device of working medium loop can share one, it is also possible to each arrange one.
The single column formula of the present invention tower solar-thermal generating system of many heat collectors, uses device of working medium immediately to generate electricity, Molten Salt Heat Transfer heat accumulation Generating combines, and has the advantage that (1) fused salt thermal-arrest, and steam pressure is little, to heat collector and the resistance to pressure request of accessory structure part Low, safety is higher;(2) energy-storage system decreases 1 water vapour and the heat transfer process of fused salt, reduces heat loss, improves heat Utilization rate;(3) fused salt heat conductivity is much larger than water vapour, and heat transfer rate is fast, is conducive to improving the photo-thermal conversion efficiency of heat collector; (4) heat collector of generating and energy storage is divided into two cover systems, the reliability and security of beneficially raising system overall operation, it is ensured that Electric station properly functioning, improves the economic benefit that system is run.The present invention mainly increase a set of fused salt collector system with And relevant fused salt pipeline fee use, but the corresponding volume of device of working medium heat collector, collector area etc. reduce, the pipe of water vapour working medium Road wall thickness and diameter reduce, and this departmental cost can offset the cost that double heat collector increases.
In sum, the single column formula of the present invention tower solar-thermal generating system of many heat collectors, take into account cost, efficiency and generating Stability and seriality, solve single device of working medium pressure when cloud block low, the affected problem of generating efficiency.With heat transfer water, The scheme of fused salt heat accumulation is compared, and device of working medium is generated electricity by the present invention immediately and the generating of Molten Salt Heat Transfer heat accumulation combines, and have submitted photo-thermal Conversion efficiency and heat utilization efficiency, it is ensured that the safety in power station, it is achieved continuously generating in 24 hours, based on the energy provide and ensure. Compared with multi-tower type solar-thermal generating system, the single column formula solar-thermal generating system of the present invention comprises multiple heat collector, not only ensure that Stable electric generation when single heat collector breaks down, also reduces totle drilling cost.
Accompanying drawing explanation
The following drawings is only used as demonstration, and the single column formula tower photo-thermal of many heat collectors provided for clearly demonstrating the present invention is sent out Electricity system, it is impossible to limit the scope of the present invention.
Fig. 1. the schematic diagram of the single column formula tower solar-thermal generating system of many heat collectors in exemplary embodiments,
Wherein, 1-Jing Chang, 2-collecting system, 3-collection thermal tower, 4-device of working medium heat collector, 5-non-aqueous accumulation of heat working medium heat collector, 6-high-temperature heat-storage tank, 7-low temperature heat storage can, 8-superheated steam storage tank, 9-superheated steam generator, 10-steam generator, 11-is pre- Hot device, 12-TRT, 13-deoxygenation demineralization plant, 14-condenser.
Detailed description of the invention
The present invention is described in detail below in conjunction with the accompanying drawings, it is to be understood that following embodiment is only used as this Bright explanation and explanation, limit the scope of the present invention never in any form.
As it is shown in figure 1, the one single column formula of the present invention tower solar-thermal generating system of many heat collectors, including photothermal deformation system, Heat transfer heat reservoir and dynamical system;Described photothermal deformation system includes Jing Chang (1), collecting system (2) and 1 collection thermal tower (3); Described collecting system (2) is arranged on described collection thermal tower (3), comprises at least one device of working medium heat collector (4) and at least one is non- Water accumulation of heat working medium heat collector (5), multiple heat collectors of described collecting system are arranged on 1 collection thermal tower (3);Described dynamical system For TRT (12), it is used for the heat energy of reception being converted into electric energy and exporting electric energy;Described heat transfer heat reservoir includes first Device of working medium loop, non-aqueous accumulation of heat working medium loop and the second device of working medium loop;The outlet of described device of working medium heat collector (4), generating dress Put the import of (12), condenser (14), deoxygenation demineralization plant (13) and device of working medium heat collector (4) by device of working medium pipeline phase successively Even form described first device of working medium loop;The heat energy of the steam that device of working medium heat collector (4) produces is used for being supplied directly to generating dress Put (12) generating;The outlet of described non-aqueous accumulation of heat working medium heat collector (5), high-temperature heat-storage tank (6), superheated steam generator (9), steaming Vapour generator (10), preheater (11), low temperature heat storage can (7) and non-aqueous accumulation of heat working medium heat collector (5) import are by non-aqueous accumulation of heat Working medium pipeline is sequentially connected formation for thermal energy storage and the described non-aqueous accumulation of heat working medium loop of conversion;Described deoxygenation demineralization plant (13) outlet, described preheater (11), steam generator (10), superheated steam generator (9), TRT (12), condenser (14), deoxygenation demineralization plant (13) import forms the second device of working medium loop by device of working medium pipeline;Described second device of working medium loop In recirculated water can absorb non-aqueous accumulation of heat work by described preheater (11), steam generator (10), superheated steam generator (9) Heat energy in matter loop produces superheated steam and generates electricity.
Multiple heat collectors are arranged on a collection thermal tower (3) by the present invention, i.e. use single column formula solar-thermal generating system, reduce Cost, simultaneously as have employed multiple heat collector, when one of them heat collector breaks down, does not interferes with other thermal-arrest The normal work of device, thus ensure that the stability of supply of electric power.When building electric station, can according to situation at local sunshine and Actually required electricity selects the quantity of heat collector.
In some embodiments of the invention, described non-aqueous accumulation of heat working medium is fused salt, described non-aqueous accumulation of heat working medium heat collector (5) being fused salt matter heat collector, described high-temperature heat-storage tank (6) is high temperature melting salt cellar, and described low temperature heat storage can (7) is low-temperature molten salt Tank.Time sunny, enabling the first device of working medium loop, device of working medium heat collector (4) absorbs solar energy and is converted into heat energy, and water is straight Connect and be heated into superheated vapour for instant generating.Meanwhile, non-aqueous accumulation of heat working medium loop works, fused salt matter heat collector is collected The solar radiation energy that Jing Chang (1) reflects, is translated into heat energy, heats fused salt, and is stored in high temperature melting salt cellar;At night Or the when of the cloudy day, enabling the second device of working medium loop, the high-temperature molten salt being stored in high temperature melting salt cellar passes through heat transfer system by heat Amount transmission feedwater so that it is be transformed into superheated steam, flow to TRT (12), it is achieved generating continuously in 24 hours.The present invention will Instant generating and energy storing and electricity generating are divided into two independent systems, make the superheated vapour of generation be directly used in generating, it is not necessary to store, Decreasing a water vapour and the thermal loss of fused salt heat exchanging, and superheated vapour is not detained in pipeline, it is right to reduce The requirement of pipeline voltage endurance capability, has saved piping cost.Use fused salt to carry out the heat accumulation that conducts heat, not only increase photothermal deformation effect Rate, reduce the pressure requirement of pipeline, improve safety, it is ensured that the seriality of power supply.
In some embodiments of the invention, in described first device of working medium loop, also described device of working medium heat collector (4) Outlet and TRT (12) between be provided with superheated steam storage tank (8-1).Described superheated steam storage tank (8-1) acts primarily as slow Punching effect, prevents the water vapour for instant generating to be trapped in device of working medium pipeline cause pipeline pressure mistake because producing too fast Greatly, security of system is improved.
In other embodiments of the present invention, in described second device of working medium loop, described superheated steam generator (9) Outlet and described TRT (12) between be provided with superheated steam storage tank (8-2).
Also in other embodiments of the present invention, in described first device of working medium loop, also at described device of working medium thermal-arrest It is provided with superheated steam storage tank (8-1) between outlet and the TRT (12) of device (4);And in described second device of working medium loop The outlet of superheated steam generator (9) connects the superheated steam storage tank (8-1) in described first device of working medium loop, with the first water conservancy project Matter loop shares the pipeline from superheated steam storage tank (8-1) to TRT (12).Thus, both ensure that whole generating system The safety of system, also saves superheated steam storage tank and the quantity of device of working medium pipeline, reduces totle drilling cost.
In some embodiments of the invention, described non-aqueous accumulation of heat working medium is conduction oil, described non-aqueous accumulation of heat working medium thermal-arrest Device (5) is conduction oil heat collector.
In other embodiments of the present invention, described non-aqueous accumulation of heat working medium can also be in addition to fused salt and conduction oil Other high temperature thermal medium.
In some embodiments of the invention, multiple heat collectors of described collecting system (2) are arranged above and below in a thermal-arrest On tower (3).
In other embodiments of the present invention, multiple heat collectors of described collecting system (2) toward the direction, four Direction, six direction or multiple directions are arranged on a collection thermal tower (3).

Claims (6)

1. the tower solar-thermal generating system of the many heat collectors of single column formula, including photothermal deformation system, heat transfer heat reservoir and power System;
Described photothermal deformation system includes Jing Chang (1), collecting system (2) and 1 collection thermal tower (3);
Described collecting system (2) comprises at least one device of working medium heat collector (4) and at least one non-aqueous accumulation of heat working medium heat collector (5), multiple heat collectors of described collecting system are arranged on same described collection thermal tower (3);
Described dynamical system is TRT (12), for the heat energy of reception being converted into electric energy and exporting electric energy;
Described heat transfer heat reservoir includes the first device of working medium loop, non-aqueous accumulation of heat working medium loop and the second device of working medium loop;
The outlet of described device of working medium heat collector (4), TRT (12), condenser (14), deoxygenation demineralization plant (13) and water conservancy project The import of matter heat collector (4) is sequentially connected the described first device of working medium loop of formation by device of working medium pipeline;Device of working medium heat collector (4) The heat energy of the steam produced is used for being supplied directly to TRT (12) generating;
The outlet of described non-aqueous accumulation of heat working medium heat collector (5), high-temperature heat-storage tank (6), superheated steam generator (9), steam generation Device (10), preheater (11), low temperature heat storage can (7) and non-aqueous accumulation of heat working medium heat collector (5) import are by non-aqueous accumulation of heat working medium tube Road is sequentially connected formation for thermal energy storage and the described non-aqueous accumulation of heat working medium loop of conversion;
The outlet of described deoxygenation demineralization plant (13), described preheater (11), steam generator (10), superheated steam generator (9), TRT (12), condenser (14), deoxygenation demineralization plant (13) import form the second device of working medium loop by device of working medium pipeline;
Recirculated water in described second device of working medium loop can pass through described preheater (11), steam generator (10), superheated steam The heat energy generation superheated steam that generator (9) absorbs in non-aqueous accumulation of heat working medium loop generates electricity.
The single column formula the most according to claim 1 tower solar-thermal generating system of many heat collectors, it is characterised in that described first In device of working medium loop, between the outlet and TRT (12) of described device of working medium heat collector (4), also it is provided with superheated steam storage Tank (8-1).
The single column formula the most according to claim 1 tower solar-thermal generating system of many heat collectors, it is characterised in that described second In device of working medium loop, between outlet and the described TRT (12) of described superheated steam generator (9), it is provided with superheated steam Storage tank (8-2).
The single column formula the most according to claim 1 tower solar-thermal generating system of many heat collectors, it is characterised in that described first In device of working medium loop, between the outlet and TRT (12) of described device of working medium heat collector (4), also it is provided with superheated steam storage Tank (8-1);And the outlet of the superheated steam generator (9) in described second device of working medium loop connects described first device of working medium loop In superheated steam storage tank (8-1), with the first device of working medium loop share from superheated steam storage tank (8-1) to TRT (12) it Between pipeline.
5. according to the arbitrary described single column formula tower solar-thermal generating system of many heat collectors of Claims 1 to 4, it is characterised in that institute Stating non-aqueous accumulation of heat working medium is high temperature thermal medium, including fused salt or conduction oil.
6. according to the arbitrary described single column formula tower solar-thermal generating system of many heat collectors of Claims 1 to 4, it is characterised in that institute The multiple heat collectors stating collecting system (2) are arranged above and below, or a direction, four directions, six directions or multi-direction be arranged in collection thermal tower (3) on.
CN201610568922.1A 2016-07-19 2016-07-19 The tower solar-thermal generating system of the many heat collectors of single column formula Pending CN106225541A (en)

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CN107192142A (en) * 2017-06-22 2017-09-22 哈尔滨锅炉厂有限责任公司 Solar energy tower type fused salt carbon dioxide mix working medium heat sink
CN107314554A (en) * 2017-06-22 2017-11-03 哈尔滨锅炉厂有限责任公司 Solar energy tower type fused salt water mixed working fluid heat sink
CN107388607A (en) * 2017-08-03 2017-11-24 苏州绿标新能源科技有限公司 A kind of photovoltaic and photothermal hybrid power plant systems
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CN107192142A (en) * 2017-06-22 2017-09-22 哈尔滨锅炉厂有限责任公司 Solar energy tower type fused salt carbon dioxide mix working medium heat sink
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Application publication date: 20161214