CN107061205A - Using carbon dioxide as the Fresnel solar light-heat power-generation system of collection hot working fluid - Google Patents

Using carbon dioxide as the Fresnel solar light-heat power-generation system of collection hot working fluid Download PDF

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Publication number
CN107061205A
CN107061205A CN201710481228.0A CN201710481228A CN107061205A CN 107061205 A CN107061205 A CN 107061205A CN 201710481228 A CN201710481228 A CN 201710481228A CN 107061205 A CN107061205 A CN 107061205A
Authority
CN
China
Prior art keywords
carbon dioxide
thermal
working fluid
hot working
collection hot
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710481228.0A
Other languages
Chinese (zh)
Inventor
王凤君
黄莺
朱绘娟
贾培英
于景泽
殷亚宁
段跃非
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Harbin Boiler Co Ltd
Original Assignee
Harbin Boiler Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Harbin Boiler Co Ltd filed Critical Harbin Boiler Co Ltd
Priority to CN201710481228.0A priority Critical patent/CN107061205A/en
Publication of CN107061205A publication Critical patent/CN107061205A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • F03G6/06Devices for producing mechanical power from solar energy with solar energy concentrating means
    • F03G6/065Devices for producing mechanical power from solar energy with solar energy concentrating means having a Rankine cycle
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01KSTEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K25/00Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for
    • F01K25/08Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for using special vapours
    • F01K25/10Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for using special vapours the vapours being cold, e.g. ammonia, carbon dioxide, ether
    • F01K25/103Carbon dioxide
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24SSOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S23/00Arrangements for concentrating solar-rays for solar heat collectors
    • F24S23/70Arrangements for concentrating solar-rays for solar heat collectors with reflectors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24SSOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S23/00Arrangements for concentrating solar-rays for solar heat collectors
    • F24S23/70Arrangements for concentrating solar-rays for solar heat collectors with reflectors
    • F24S2023/87Reflectors layout
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24SSOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S23/00Arrangements for concentrating solar-rays for solar heat collectors
    • F24S23/70Arrangements for concentrating solar-rays for solar heat collectors with reflectors
    • F24S2023/87Reflectors layout
    • F24S2023/872Assemblies of spaced reflective elements on common support, e.g. Fresnel reflectors
    • 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

Abstract

Using carbon dioxide as the Fresnel solar light-heat power-generation system of collection hot working fluid, belong to photo-thermal power generation technical field, the present invention needs the problem of great lot of water resources, and carbon dioxide are recycled to solve traditional solar-thermal generating system operation.The output end of thermal-arrest tube bank is connected with the input of steam turbine, the output end of steam turbine is communicated with cooler, the output end of cooler is connected with the input of compressor, the input that the output end of compressor is restrained with thermal-arrest is connected, and the acting working medium in collection hot working fluid and steam turbine in the thermal-arrest tube bank is supercritical carbon dioxide.The Fresnel solar light-heat power-generation system using carbon dioxide as collection hot working fluid of the present invention can reduce the discharge of carbon dioxide, while directly being generated electricity using carbon dioxide working medium.

Description

Using carbon dioxide as the Fresnel solar light-heat power-generation system of collection hot working fluid
Technical field
The present invention relates to a kind of solar-thermal generating system, and in particular to a kind of Fresnel using carbon dioxide as collection hot working fluid Solar light-heat power-generation system, belongs to photo-thermal power generation technical field.
Background technology
Fresnel solar light-heat power-generation power station collection hot working fluid is generally conduction oil, fused salt etc., and acting working medium is water, because This needs substantial amounts of water resource, and the abundant area of China's sunlight-heat reaources mostly concentrates on northwest drought water shortage area;It is traditional Stone fuel plants discharge substantial amounts of carbon dioxide, and carbon dioxide is the principal element for causing global environment to warm, therefore how Saving water resource simultaneously utilizes carbon dioxide as the problem of heat absorption becomes primary solution with acting working medium generating.
The content of the invention
It is an object of the invention to provide using carbon dioxide as collection hot working fluid Fresnel solar light-heat power-generation system, with Solving traditional solar-thermal generating system operation needs the problem of great lot of water resources, and carbon dioxide are recycled.
The Fresnel solar light-heat power-generation system using carbon dioxide as collection hot working fluid includes thermal-arrest tube bank, steamer Machine, cooler and compressor;
The output end of thermal-arrest tube bank is connected with the input of steam turbine, and the output end of steam turbine is communicated with cooler, cold But the output end of device is connected with the input of compressor, and the output end of compressor is connected with the input that thermal-arrest is restrained, the collection The acting working medium in collection hot working fluid and steam turbine in heat pipe bundle is supercritical carbon dioxide.
It is preferred that:The thermal-arrest tube bank is composed in parallel by multiple thermal-collecting tubes, and thermal-collecting tube is arranged on inside secondary reflection mirror, and two Secondary mirror lower end notch is provided with transparent cover plate, and the lower section of transparent cover plate is provided with primary event mirror.
It is preferred that:The secondary reflection mirror is groove profile.
It is preferred that:Described secondary reflection mirror is that medial surface is the secondary reflection mirror for bending to composite parabolic shape.
The present invention has the following effects that compared with existing product:Using carbon dioxide as the solar-thermal generating system of circulatory mediator, Water can not only be saved, the discharge of greenhouse gases can also be reduced, and generate electricity with solar energy popular at present-steam power System is compared, using carbon dioxide as the power-equipment more compact structure such as compressor of working medium, and power plant thermal efficiency is high, and nothing in system Phase transformation, without heat exchange, will not lose heat, simple in construction.
Brief description of the drawings
Fig. 1 is the knot of the present invention using Fresnel solar light-heat power-generation system of the carbon dioxide as collection hot working fluid Structure schematic diagram;
Fig. 2 is thermal-collecting tube structural representation.
In figure:The tube bank of 1- thermal-arrests, 2- steam turbines, 3- coolers, 4- compressors, 5- primary events mirror, 6- secondary reflection mirrors, 7- thermal-collecting tubes, 8- transparent cover plates.
Embodiment
The preferred embodiment of the present invention is elaborated below according to accompanying drawing.
As depicted in figs. 1 and 2, the Fresnel solar energy optical-thermal hair of the present invention using carbon dioxide as collection hot working fluid Electric system includes thermal-arrest tube bank 1, steam turbine 2, cooler 3 and compressor 4;
The output end of thermal-arrest tube bank 1 is connected with the input of steam turbine 2, and the output end of steam turbine 2 is communicated with cold But device 3, the output end of cooler 3 is connected with the input of compressor 4, and the output end of compressor 4 restrains 1 input with thermal-arrest Connection,
The acting working medium in collection hot working fluid and steam turbine 2 in the thermal-arrest tube bank 1 is supercritical carbon dioxide.
Further:The thermal-arrest tube bank 1 is composed in parallel by multiple thermal-collecting tubes 7, and thermal-collecting tube 7 is arranged in secondary reflection mirror 6 Portion, the lower end notch of secondary reflection mirror 6 is provided with transparent cover plate 8, and the lower section of transparent cover plate 8 is provided with primary event mirror 5.
Further:The secondary reflection mirror 6 is groove profile.
Further:Described secondary reflection mirror 6 is that medial surface is the speculum for bending to composite parabolic shape.
Further:Each thermal-collecting tube 7 absorbs heat by multiple primary event mirrors 5.
Further:Primary event mirror 5 can accurately reflex to sunshine on thermal-collecting tube 7 and secondary reflection mirror 6, reflex to Sunshine in secondary reflection mirror 6 is reflexed on thermal-collecting tube 7 again, makes the continuous heating of thermal-collecting tube 7, and low-temperature carbon dioxide is first passed through Compressor 4 pressurizes, and then flows through thermal-collecting tube 7 and heats, and the outlet of thermal-collecting tube 7 carbon dioxide is heated to more than 500 DEG C, the height of generation The acting of carbon dioxide pushing turbine 2 of warm high pressure generates electricity, and the heat that transparent cover plate 8 can reduce thermal-collecting tube 7 scatters and disappears, and not shadow Ring passing through for sunshine.
Present embodiment is the exemplary illustration to this patent, does not limit its protection domain, people in the art Member can also be changed to its part, as long as no the Spirit Essence beyond this patent, all in the protection domain of this patent.

Claims (4)

1. using carbon dioxide as the Fresnel solar light-heat power-generation system of collection hot working fluid, it is characterised in that:Including thermal-collecting tube Beam (1), steam turbine (2), cooler (3) and compressor (4);
The output end of the thermal-arrest tube bank (1) is connected with the input of steam turbine (2), and the output end of steam turbine (2) is communicated with Cooler (3), the output end of cooler (3) is connected with the input of compressor (4), the output end and thermal-collecting tube of compressor (4) The input connection of beam (1),
The acting working medium in collection hot working fluid and steam turbine (2) in the thermal-arrest tube bank (1) is supercritical carbon dioxide.
2. the Fresnel solar light-heat power-generation system according to claim 1 using carbon dioxide as collection hot working fluid, its It is characterised by:The thermal-arrest tube bank (1) is composed in parallel by multiple thermal-collecting tubes (7), and thermal-collecting tube (7) is arranged on secondary reflection mirror (6) Inside, secondary reflection mirror (6) lower end notch is provided with transparent cover plate (8), and the lower section of transparent cover plate (8) is provided with primary event mirror (5)。
3. the Fresnel solar light-heat power-generation system according to claim 2 using carbon dioxide as collection hot working fluid, its It is characterised by:The secondary reflection mirror (6) is groove profile.
4. the Fresnel solar light-heat power-generation system according to claim 2 using carbon dioxide as collection hot working fluid, its It is characterised by:Described secondary reflection mirror (6) is that medial surface is the secondary reflection mirror for bending to composite parabolic shape.
CN201710481228.0A 2017-06-22 2017-06-22 Using carbon dioxide as the Fresnel solar light-heat power-generation system of collection hot working fluid Pending CN107061205A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710481228.0A CN107061205A (en) 2017-06-22 2017-06-22 Using carbon dioxide as the Fresnel solar light-heat power-generation system of collection hot working fluid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710481228.0A CN107061205A (en) 2017-06-22 2017-06-22 Using carbon dioxide as the Fresnel solar light-heat power-generation system of collection hot working fluid

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CN107061205A true CN107061205A (en) 2017-08-18

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110735680A (en) * 2019-10-29 2020-01-31 哈尔滨锅炉厂有限责任公司 large-scale waste incineration power generation system using carbon dioxide as working medium

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CN1804502A (en) * 2006-01-23 2006-07-19 杜培俭 Electricity generating, air conditioning and heating apparatus utilizing natural medium and solar energy or waste heat
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CN101858649A (en) * 2010-05-28 2010-10-13 益科博能源科技(上海)有限公司 Fresnel solar collector
WO2013088160A2 (en) * 2011-12-14 2013-06-20 The University Of Nottingham Heat absorption
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CN104948400A (en) * 2014-03-31 2015-09-30 张建城 Solar thermal power station adopting independent cyclic heat storage and electric power storage and cascaded heat exchange and evaporation technology
CN104990286A (en) * 2015-06-25 2015-10-21 上海理工大学 Composite paraboloid solar collector

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JP2007132330A (en) * 2005-11-10 2007-05-31 Kokusai Gijutsu Kaihatsu Co Ltd Solar power generation plant
CN1804502A (en) * 2006-01-23 2006-07-19 杜培俭 Electricity generating, air conditioning and heating apparatus utilizing natural medium and solar energy or waste heat
CN101858649A (en) * 2010-05-28 2010-10-13 益科博能源科技(上海)有限公司 Fresnel solar collector
WO2013088160A2 (en) * 2011-12-14 2013-06-20 The University Of Nottingham Heat absorption
CN104764218A (en) * 2014-01-06 2015-07-08 张建城 Device for providing heat energy for chemical storage battery through solar condensation device
CN104948400A (en) * 2014-03-31 2015-09-30 张建城 Solar thermal power station adopting independent cyclic heat storage and electric power storage and cascaded heat exchange and evaporation technology
CN104990286A (en) * 2015-06-25 2015-10-21 上海理工大学 Composite paraboloid solar collector

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110735680A (en) * 2019-10-29 2020-01-31 哈尔滨锅炉厂有限责任公司 large-scale waste incineration power generation system using carbon dioxide as working medium

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Application publication date: 20170818

RJ01 Rejection of invention patent application after publication