CN107023447A - Using carbon dioxide as the groove type solar solar-thermal generating system of collection hot working fluid - Google Patents

Using carbon dioxide as the groove type solar solar-thermal generating system of collection hot working fluid Download PDF

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Publication number
CN107023447A
CN107023447A CN201710481680.7A CN201710481680A CN107023447A CN 107023447 A CN107023447 A CN 107023447A CN 201710481680 A CN201710481680 A CN 201710481680A CN 107023447 A CN107023447 A CN 107023447A
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CN
China
Prior art keywords
groove type
carbon dioxide
solar
working fluid
type heat
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
CN201710481680.7A
Other languages
Chinese (zh)
Inventor
王凤君
黄莺
朱绘娟
贾培英
于景泽
殷亚宁
苏宏亮
孟晓冬
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 CN201710481680.7A priority Critical patent/CN107023447A/en
Publication of CN107023447A publication Critical patent/CN107023447A/en
Pending legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
    • F03G6/00—Devices for producing mechanical power from solar energy
    • F03G6/06—Devices for producing mechanical power from solar energy with solar energy concentrating means
    • F03G6/065—Devices for producing mechanical power from solar energy with solar energy concentrating means having a Rankine cycle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K25/00—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for
    • F01K25/08—Plants 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
    • F01K25/10—Plants 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
    • F01K25/103—Carbon dioxide
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K7/00—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating
    • F01K7/32—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating the engines using steam of critical or overcritical pressure
    • 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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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engine Equipment That Uses Special Cycles (AREA)

Abstract

Using carbon dioxide as the groove type solar solar-thermal generating 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 groove type heat collector array 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 output end of compressor is connected with the input of groove type heat collector array, and the acting working medium in collection hot working fluid and steam turbine in the groove type heat collector array is supercritical carbon dioxide.The groove type solar solar-thermal generating 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 groove type solar solar-thermal generating 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 slot type sun using carbon dioxide as collection hot working fluid Energy solar-thermal generating system, belongs to photo-thermal power generation technical field.
Background technology
Groove type solar solar-thermal generating system traditional at present is mostly using conduction oil as collection hot working fluid, due to heat-conductive-oil high-temperature The heat of conduction oil can only be transmitted to device of working medium to 400 DEG C, then and entered by heat-conducting oil heating by the limitation of cracking, light and heat collection system Row acting generates electricity, it is therefore desirable to substantial amounts of water resource, and the abundant area of China's sunlight-heat reaources mostly concentrates on northwest drought and lacked The region of water, simultaneously because the limitation of heat-conductive-oil high-temperature cracking causes heat-collecting temperature not improve further so that power plant efficiency It is difficult to be lifted；The substantial amounts of carbon dioxide of conventional fossil fuel power plant emission, and carbon dioxide is the master for causing global environment to warm Want factor, therefore how saving water resource and to utilize carbon dioxide as heat absorption and be generated electricity with acting working medium and become what is primarily solved Problem.
The content of the invention
It is an object of the invention to provide the groove type solar solar-thermal generating system using carbon dioxide as collection hot working fluid, to solve Traditional solar-thermal generating system operation needs the problem of great lot of water resources, and carbon dioxide are recycled.
The groove type solar solar-thermal generating system using carbon dioxide as collection hot working fluid includes groove type heat collector array, vapour Turbine, cooler and compressor；
The output end of groove type heat collector array is connected with the input of steam turbine, and the output end of steam turbine is communicated with cooling Device, the output end of cooler is connected with the input of compressor, the output end of compressor and the input of groove type heat collector array The acting working medium in collection hot working fluid and steam turbine in connection, the groove type heat collector array is supercritical carbon dioxide.
It is preferred that：The groove type heat collector array is composed in parallel by multiple groove type heat collectors, and groove type heat collector includes thermal-arrest Pipe and parabolic lens, parabolic lens are arranged on the lower section of thermal-collecting tube.
It is preferred that：The thermal-collecting tube is located in the optically focused focus of parabolic lens.
The present invention has the following effects that compared with existing product：Groove type solar photo-thermal by circulatory mediator of carbon dioxide Electricity generation system, can not only save water, can also reduce the discharge of greenhouse gases, and with solar energy-steam popular at present Driven power generation 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 Without phase transformation in system, without heat exchange, heat will not be lost, it is simple in construction.
Brief description of the drawings
Fig. 1 is that the structure of the present invention using groove type solar solar-thermal generating system of the carbon dioxide as collection hot working fluid is shown It is intended to；
Fig. 2 is groove type heat collector structural representation.
In figure：1- groove type heat collectors array, 2- steam turbines, 3- coolers, 4- compressors, 5- thermal-collecting tubes, 6- parabolic lens.
Embodiment
The preferred embodiment of the present invention is elaborated below according to accompanying drawing.
As depicted in figs. 1 and 2, the groove type solar photo-thermal power generation system of the present invention using carbon dioxide as collection hot working fluid System includes groove type heat collector array 1, steam turbine 2, cooler 3 and compressor 4；
The output end of the groove type heat collector array 1 is connected with the input of steam turbine 2, and the output end of steam turbine 2 connects Cooler 3 is connected with, the output end of cooler 3 is connected with the input of compressor 4, the output end and groove type heat collector of compressor 4 The input connection of array 1,
The acting working medium in collection hot working fluid and steam turbine 2 in the groove type heat collector array 1 is overcritical titanium dioxide Carbon.
Further：The groove type heat collector array 1 is composed in parallel by multiple groove type heat collectors, and groove type heat collector includes thermal-arrest Pipe 5 and parabolic lens 6, parabolic lens 6 are arranged on the lower section of thermal-collecting tube 5.
Further：The thermal-collecting tube 5 is located in the optically focused focus of parabolic lens 6.
Further：Parabolic lens 6 can accurately reflex to sunshine on thermal-collecting tube 5, and low-temperature carbon dioxide first passes through compression Machine 4 pressurizes, and then flows through thermal-collecting tube 5 and heats, and the outlet of thermal-collecting tube 5 carbon dioxide is heated to more than 500 DEG C, and the high temperature of generation is high The acting of carbon dioxide pushing turbine 2 of pressure generates electricity.
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 (3)

1. using carbon dioxide as the groove type solar solar-thermal generating system of collection hot working fluid, it is characterised in that：Including groove type heat collector Array (1), steam turbine (2), cooler (3) and compressor (4)；
The output end of the groove type heat collector array (1) is connected with the input of steam turbine (2), the output end of steam turbine (2) Be communicated with cooler (3), the output end of cooler (3) is connected with the input of compressor (4), the output end of compressor (4) with The input connection of groove type heat collector array (1),
The acting working medium in collection hot working fluid and steam turbine (2) in the groove type heat collector array (1) is overcritical titanium dioxide Carbon.
2. it is according to claim 1 using carbon dioxide as the groove type solar solar-thermal generating system of collection hot working fluid, its feature It is：The groove type heat collector array (1) is composed in parallel by multiple groove type heat collectors, groove type heat collector include thermal-collecting tube (5) and Parabolic lens (6), parabolic lens (6) is arranged on the lower section of thermal-collecting tube (5).
3. it is according to claim 2 using carbon dioxide as the groove type solar solar-thermal generating system of collection hot working fluid, its feature It is：The thermal-collecting tube (5) is located in the optically focused focus of parabolic lens (6).
CN201710481680.7A 2017-06-22 2017-06-22 Using carbon dioxide as the groove type solar solar-thermal generating system of collection hot working fluid Pending CN107023447A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710481680.7A CN107023447A (en) 2017-06-22 2017-06-22 Using carbon dioxide as the groove type solar solar-thermal generating system of collection hot working fluid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710481680.7A CN107023447A (en) 2017-06-22 2017-06-22 Using carbon dioxide as the groove type solar solar-thermal generating system of collection hot working fluid

Publications (1)

Publication Number Publication Date
CN107023447A true CN107023447A (en) 2017-08-08

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109847896A (en) * 2018-11-23 2019-06-07 华中科技大学 It is rapidly heated pretreated discarded graphite electrode breaking method using photo-thermal

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101017029A (en) * 2007-03-05 2007-08-15 云南师范大学 Channel light gathering solar energy reflexion heat collection device
CN101821502A (en) * 2007-09-11 2010-09-01 西门子集中太阳能有限公司 Solar thermal power plants
CN102072115A (en) * 2009-11-23 2011-05-25 张建城 Slotted concentrating solar power device
CN102400867A (en) * 2010-09-08 2012-04-04 中国科学院工程热物理研究所 Supercritical CO2 (carbon dioxide) solar thermal generating system with heat accumulating function
EP2685178A1 (en) * 2004-08-31 2014-01-15 Tokyo Institute Of Technology Solar heat collector, sunlight collecting reflector, sunlight collecting system, and solar energy utilization system
CN105673107A (en) * 2016-01-20 2016-06-15 中国科学院工程热物理研究所 Trough and tower collecting compound driven supercritical carbon dioxide generating system and method

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2685178A1 (en) * 2004-08-31 2014-01-15 Tokyo Institute Of Technology Solar heat collector, sunlight collecting reflector, sunlight collecting system, and solar energy utilization system
CN101017029A (en) * 2007-03-05 2007-08-15 云南师范大学 Channel light gathering solar energy reflexion heat collection device
CN101821502A (en) * 2007-09-11 2010-09-01 西门子集中太阳能有限公司 Solar thermal power plants
CN102072115A (en) * 2009-11-23 2011-05-25 张建城 Slotted concentrating solar power device
CN102400867A (en) * 2010-09-08 2012-04-04 中国科学院工程热物理研究所 Supercritical CO2 (carbon dioxide) solar thermal generating system with heat accumulating function
CN105673107A (en) * 2016-01-20 2016-06-15 中国科学院工程热物理研究所 Trough and tower collecting compound driven supercritical carbon dioxide generating system and method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109847896A (en) * 2018-11-23 2019-06-07 华中科技大学 It is rapidly heated pretreated discarded graphite electrode breaking method using photo-thermal

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