CN104197552B - Solar and electric integrated energy system - Google Patents

Solar and electric integrated energy system Download PDF

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Publication number
CN104197552B
CN104197552B CN201410386412.3A CN201410386412A CN104197552B CN 104197552 B CN104197552 B CN 104197552B CN 201410386412 A CN201410386412 A CN 201410386412A CN 104197552 B CN104197552 B CN 104197552B
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China
Prior art keywords
steam
heat
heating
solar
storage
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CN201410386412.3A
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CN104197552A (en
Inventor
杨卫兵
刘津金
张艳霞
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Yi Yuan (Qian'an) new Mstar Technology Ltd
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BEIJING TERUIBANG NEW ENERGY TECHNOLOGY Co Ltd
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    • 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
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/50Energy storage in industry with an added climate change mitigation effect

Abstract

The invention provides a solar and electric integrated energy system. The solar and electric integrated energy system comprises a steam generating system, a valve, a steam generator and a heating system. The steam generating system is used for generating steam through the solar thermal energy and conveying the steam to the valve, the valve is used for controlling the volume of the steam fed into the steam generator and the volume of the steam fed into the heating system, the steam generator is used for generating electricity through the steam fed into the steam generator, and the heating system is used for carrying heating through the steam fed into the heating system. According to the solar and electric integrated energy system, equipment cost is lowered, the occupied area is reduced, and the utilization rate of the solar energy is increased.

Description

Solar-electricity gas integral energy resource system
Technical field
The present invention relates to field of solar thermal power generation is and in particular to solar-electricity gas integral energy resource system.
Background technology
Energy crisis is a sizable problem faced by human survival from now on, the combusts fossil energy simply, not only Only cause the exhaustion of non-renewable energy resources, also can produce substantial amounts of carbon dioxide, lead to climate change, jeopardize the sustainable of the mankind Survival and development.
Solar energy is a kind of regenerative resource of cleaning, is increasingly favored by people, has in the life of the mankind It is widely applied.It is broadly divided into solar energy power generating and solar light-heat power-generation using solar electrical energy generation, solar energy optical-thermal is sent out Electricity, than the efficiency high of solar energy power generating, has become as an important field of research.
Fig. 1 is the working state schematic representation when sunshine is sufficient for the solar light-heat power-generation system of the prior art, Fig. 2 It is the working state schematic representation when sunshine is inadequate for the solar light-heat power-generation system of the prior art, Fig. 1 and Fig. 2 hollow Heart arrow represents the flow direction of steam or water, and single filled arrows represent the flow direction of conduction oil, and double filled arrows represent the flow direction of fused salt. When sunshine is sufficient, as shown in figure 1, the thermal energy collecting that 11 solar radiations of heat collector produce gets up to heat conduction oil makes its temperature Degree raises, and a part of inflow heat exchanger 15 and the water under high pressure of high temperature heat conductive oil carry out heat exchange, and the high-temperature steam of generation promotes Steam-driven generator 16 generates electricity.Another part of high temperature heat conductive oil flows into heat-exchange apparatus 12 to be carried out with the sloppy heat salt in cold salt cellar 14 Heat exchange, the hot melt salt that temperature raises after heat exchange is stored in hot salt cellar 13, and unnecessary thermal energy storage is risen by hot melt salt Come.When there is no sunshine, as shown in Fig. 2 the hot melt salt in hot salt cellar 13 flow to cold salt cellar 14 mistake by heat exchanger 12 Cheng Zhong, hot melt salt carries out heat exchange by heat exchanger 12 and conduction oil, and the high temperature heat conductive oil of generation flows through heat exchanger 15, high Warm conduction oil carries out heat exchange by heat exchanger 15 and water under high pressure, and the high-temperature steam of generation promotes steam-driven generator 16 to generate electricity, Thus realizing constantly generating electricity.
Solar light-heat power-generation system has become as a kind of important form of renewable energy power generation, but the north in China Side area, in order to heat to resident in winter, is all using the aquatic products unboiled water in burning non-renewable resources heating boiler at present Steam, is heated to user by radiator.In order to powering to resident and heating simultaneously, it is all to be generated electricity using single at present System and heating system, so may require that the hardware facilities such as substantial amounts of equipment, factory building, cause the high cost for warm power supply, with When floor space big.
Content of the invention
For the problems referred to above, An embodiment provides a kind of solar-electricity gas integral energy resource system, bag Include steam generating system, valve, steam-driven generator and heating system, described steam generating system is used for the heat energy using sunshine Produce steam and described steam is delivered to described valve, described valve is used for controlling respectively being passed through described steam-driven generator and adopting The quantity of steam of heating system, described steam-driven generator is used for using the steam-electric power being passed through described steam-driven generator, described heating system Unite for using the steam heating being passed through described heating system.
Preferably, described steam generating system includes heat collector, the first storage device, the second storage device and heat exchange Device, described heat collector includes heat-storage medium, and described heat collector is used for converging the sunshine described heat-storage medium of heating, described first storage Cryopreservation device is used for a part of heat-storage medium that storage is flowed out from described heat collector, and described heat exchanger is used in the first working condition The lower another part heat-storage medium making to flow out from described heat collector and water generation heat exchange generation steam, and in the second work Heat-storage medium and the water generation heat exchange generation steam flowing out from described first storage device, described second storage is made under state Device is used for storing the flow out and heat-storage medium through heat exchange from described first storage device.
Preferably, described valve is multiple-way valve.
Preferably, described heat-storage medium is fused salt or conduction oil.
The solar-electricity gas integral energy resource system of the present invention can be realized to resident for warm power supply simultaneously, reduces confession Warm power supply cost, decreases the floor space of equipment and equipment.In addition the solar-electricity gas integral energy system of the present invention System also improves the utilization rate of solar energy.
Brief description
Embodiments of the present invention is further illustrated referring to the drawings, wherein:
Fig. 1 is the working state schematic representation when sunshine is sufficient for the solar light-heat power-generation system of the prior art.
Fig. 2 is the working state schematic representation when sunshine is inadequate for the solar light-heat power-generation system of the prior art.
Fig. 3 is solar-electricity gas integral energy resource system according to the present pre-ferred embodiments work when sunshine is sufficient Make view.
Fig. 4 is that the working condition when sunshine is inadequate for the solar-electricity gas integral energy resource system shown in Fig. 3 is illustrated Figure.
Specific embodiment
In order that the objects, technical solutions and advantages of the present invention become more apparent, pass through specifically real below in conjunction with accompanying drawing The present invention is described in more detail to apply example.It should be appreciated that specific embodiment described herein is only in order to explain the present invention, It is not intended to limit the present invention.
Fig. 3 is solar-electricity gas integral energy resource system according to the present pre-ferred embodiments work when sunshine is sufficient Make view, wherein represent the flow direction of heat-storage medium using filled arrows, hollow arrow represents the flow direction of steam, double hollow Arrow represents the flow direction of water.Solar-electricity gas integral energy resource system 200 includes photo-thermal steam generating system 20, steam-driven generator 26th, multiple-way valve 28 and heating system 27, photo-thermal steam generating system 20 includes heat collector 21, heat exchanger 22, thermal medium storage Tank 23, cold medium holding vessel 24.
As shown in figure 3, when solar energy is sufficient, sunshine is gathered together by heat collector 21, the sunshine heating of convergence Heat-storage medium (Fig. 3 is not shown) in heat collector 21 is so that the temperature of heat-storage medium raises and becomes high-temperature heat-storage medium, a part of High-temperature heat-storage medium flows in heat exchanger 22, and another part high-temperature heat-storage medium flows in thermal medium holding vessel 23, thus will Unnecessary thermal energy storage is got up.Flow to high-temperature heat-storage medium in heat exchanger 22 with flow to heat exchanger 22, through supercharging Water carries out energy exchange and produces high-pressure and high-temperature steam, and the low temperature heat-storage medium flowing out from heat exchanger 22 flows to heat collector 21 again In, the high-temperature steam flowing out from heat exchanger 22 flows to multiple-way valve 28, and multiple-way valve 28 can control respectively and is passed through steam-electric power Quantity of steam in machine 26 and heating system 27, a part of high-temperature steam is passed through steam-driven generator 26 and is used for generating electricity, and another part is high Warm steam is passed through in heating system 27 and is used for heating.The pressurized water flowing out from steam-driven generator 26 and heating system 27 flows to heat again In exchanger 22.
As shown in figure 4, when night or overcast and rainy when, the high-temperature heat-storage medium in thermal medium holding vessel 23 is through over-heat-exchanger During 22 flow to cold medium holding vessel 24, carry out energy exchange with the water flowing to heat exchanger 22, process is pressurized and produce height Warm steam, after the high-temperature steam that heat exchanger 22 flows out passes through multiple-way valve 28, a part of high-temperature steam is passed through steam-driven generator 26 are used for generating electricity, and another part high-temperature steam is passed through in heating system 27 and is used for heating.
The solar-electricity gas integral energy resource system 200 of the present invention adopts a steam generating system 20 to can achieve simultaneously Generate electricity and heat.When summer or temperature are higher, the high-temperature steam that can produce steam generating system 20 is all for generating electricity. When winter or temperature are relatively low, can be by adjusting multiple-way valve 28 so that a part of high-temperature steam is used for generating electricity, another part is high Steam is used to heat for temperature, or by high-temperature steam all for heating.The solar-electricity gas integral energy resource system 200 of the present invention subtracts Equipment cost and floor space are lacked.
In other embodiments of the invention, can also be using other steamings producing high-temperature steam using the heat energy of sunshine There is system in vapour.This steam generating system can take various forms the convergence carrying out sunshine, such as slot type, Fresnel, tower With dish-style etc..
Compared with solar light-heat power-generation system shown in Fig. 1 for the steam generating system 20: when sunshine is sufficient, unnecessary Heat energy needs not move through heat exchanger and is directly stored in the high-temperature heat-storage medium in thermal medium holding vessel, improves the profit of solar energy With rate.When sunshine is inadequate, high-temperature heat-storage medium only needs to carry out the height required for a heat exchange can produce with water Warm steam, improves the utilization rate of solar energy.In addition the steam generating system 20 only one of which heat exchanger of the present invention, also reduces Equipment cost.
Heat-storage medium in the embodiment of the present invention has that heat absorptivity is strong, and thermal conductivity is good, the features such as poor radiation, for example permissible It is fused salt or conduction oil.
In order to clearly illustrate the working state schematic representation of solar-electricity gas integral energy resource system, in figure does not show that the sun The devices such as the pipeline in the electric integrated energy resource system 200 of energy, pump, valve and water pressurizer, those skilled in the art should know The road how device such as the pipeline according to required for above-mentioned method of work selects, pump, valve and water pressurizer.
Although the present invention has been described by means of preferred embodiments, however the present invention be not limited to described here Embodiment, also include done various changes and change without departing from the present invention.

Claims (3)

1. a kind of solar-electricity gas integral energy resource system is it is characterised in that include steam generating system, valve, steam-electric power Machine and heating system, described steam generating system is used for producing steam using the heat energy of sunshine and described steam being delivered to institute State valve, described steam generating system includes heat collector, the first storage device, the second storage device and heat exchanger, described collection Hot device includes heat-storage medium, and described heat collector is used for converging the sunshine described heat-storage medium of heating, and described first storage device is used In storage from described heat collector flow out a part of heat-storage medium, described heat exchanger be used in the first operative state make from Another part heat-storage medium that described heat collector flows out and water occur heat exchange to produce steam, and make in a second operative state Obtain the heat-storage medium flowing out from described first storage device and water generation heat exchange generation steam, described second storage device is used for Store the flow out and heat-storage medium through heat exchange from described first storage device, described valve is used for control respectively and is passed through Described steam-driven generator and the quantity of steam of heating system, described steam-driven generator is used for using the steaming being passed through described steam-driven generator Vapour generates electricity, and described heating system is used for using the steam heating being passed through described heating system.
2. solar-electricity gas integral energy resource system according to claim 1 is it is characterised in that described valve is to lead to more Valve.
3. solar-electricity gas integral energy resource system according to claim 1 is it is characterised in that described heat-storage medium is molten Salt or conduction oil.
CN201410386412.3A 2014-08-07 2014-08-07 Solar and electric integrated energy system Active CN104197552B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106152563A (en) * 2015-04-15 2016-11-23 西安科弘厨房工程设备有限责任公司 High temperature fluid medium/gitter brick is combined heat storage and heat supply system
CN105698146A (en) * 2016-03-24 2016-06-22 王顺滔 Solar steam boiler

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101388626A (en) * 2007-09-11 2009-03-18 张东胜 Solar electric generating apparatus
CN101413719B (en) * 2007-10-17 2011-10-12 中国科学院工程热物理研究所 Tower type solar heat power generation system with double-stage thermal storage
CN201355026Y (en) * 2008-12-15 2009-12-02 常州博士新能源科技有限公司 Solar steam generator taking heat-conducting oil as medium
CN102400869A (en) * 2010-09-19 2012-04-04 朱楷 Solar generating system
JP5337778B2 (en) * 2010-10-01 2013-11-06 株式会社神戸製鋼所 Permanent magnet recovery method and apparatus therefor
CN202100399U (en) * 2011-06-27 2012-01-04 内蒙古电力勘测设计院 Solar energy and common boiler combined power-generating and heating system
CN102305199A (en) * 2011-07-20 2012-01-04 徐添贵 Solar power generator and continuous solar power generation method
CN103790792B (en) * 2014-02-19 2018-02-06 赖泽民 Photospot solar water heat accumulation electricity generation system
CN204084903U (en) * 2014-08-07 2015-01-07 北京特瑞邦新能源技术有限公司 Solar-electricity gas integral energy resource system

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Effective date of registration: 20170516

Address after: 064400, B, building 1, block 6009, Chuang guest building, Hebei, Qian'an

Patentee after: Yi Yuan (Qian'an) new Mstar Technology Ltd

Address before: 102200 Beijing Changping District Dongguan Green Town Club

Patentee before: BEIJING TERUIBANG NEW ENERGY TECHNOLOGY CO., LTD.

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