CN103904945A - Multistage power generation system by means of solar energy - Google Patents
Multistage power generation system by means of solar energy Download PDFInfo
- Publication number
- CN103904945A CN103904945A CN201210596482.2A CN201210596482A CN103904945A CN 103904945 A CN103904945 A CN 103904945A CN 201210596482 A CN201210596482 A CN 201210596482A CN 103904945 A CN103904945 A CN 103904945A
- Authority
- CN
- China
- Prior art keywords
- pipeline
- thermoelectric generator
- oil
- heat
- level
- 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
Links
Images
Abstract
The invention provides a multistage power generation system applied to a tower type solar energy heat collection field. A heliostat field reflects sunlight to a heat collector on a light collecting tower. The heat collector is filled with heat conductive media, an inlet of a pipeline on the lower portion of the heat collector is provided with a pipeline, the pipeline is provided with an oil feed pump, a pipeline of an oil pump opening of the oil feed pump is connected with an oil storage tank, an outlet in the upper end of the heat collector is provided with a pipeline, the pipeline is provided with a temperature control module used for controlling temperature of oil, the pipeline is provided with a control valve after passing the temperature control module, the pipeline is connected with a first-stage thermoelectric generator after passing the control valve, the high-temperature heat conductive media pass the hot end of the first-stage thermoelectric generator, the pipeline is connected with a second-stage thermoelectric generator after passing the hot end of the first-stage thermoelectric generator, and the pipeline is connected with an inlet of the oil storage tank after passing the hot end of the second-stage thermoelectric generator. The system further comprises a third-stage thermoelectric generator, a fourth-stage thermoelectric generator and a cold water circulating system. A cold water branch passes the cold ends of the thermoelectric generators to achieve thermoelectric power generation of the thermoelectric generators.
Description
Technical field
The present invention relates to field of solar thermal power generation, be specifically applied to tower type solar generating.
Background technology
Solar energy is all the abundantest and the most potential regenerative resource in China and the whole world, and due to cleanliness without any pollution, is subject to the extensive attention of countries in the world always.Solar energy generation technology is the clean energy technology of following tool potentiality, mainly comprises photovoltaic generation and photo-thermal power generation two classes.
Photospot solar photo-thermal power generation is the technology that solar radiant energy is first converted into heat energy and converts to electric energy, as low cost and have the clean energy technology of scale prospect, is mainly divided into four kinds of forms: slot type, line formula, dish formula and tower.Tower-type solar thermal power generating system utilizes heliostat to converge solar radiant energy and generates electricity, and heat transfer heat storage medium adopts fused salt, superheated steam and air conventionally, and its system adopts the thermodynamic cycle of steam Rankine, the compound thermodynamic cycle of high temperature air etc. conventionally.
Thermo-electric generation technology is to utilize Seebeck effect directly heat energy to be converted into the generation technology of electric energy, has that movement-less part, volume are little, lightweight, reliability high, is the generation mode of environmental protection.
Lack both at home and abroad between different temperatures section electricity-generating method and lack coupling at present, can not efficiently utilize solar power generation, therefore need the multistage electricity generation system of a kind of solar energy.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of multistage electricity generation system that is applied to tower type solar heat collecting field.
The technical solution adopted for the present invention to solve the technical problems is: a kind of multistage electricity generation system of utilizing solar heat, sunlight is reflexed to the focus place on optically focused tower by heliostat field, heat collector is installed at the thermal-arrest focus place of optically focused tower, in heat collector, fill heat-conducting medium, the below pipeline entrance installation pipeline of heat collector, on this section of pipeline, oil-feed pump is installed, the pipeline of the oil pumping mouth of oil-feed pump is connected to the fuel reserve tank with refrigerating function;
The upper end outlet installation pipeline of heat collector, temperature control module control oil liquid temperature is installed on this section of pipeline, pipeline is installed control valve after temperature control module, and pipeline connects one-level thermoelectric generator after control valve, and the heat-conducting medium of high temperature is through one-level thermoelectric generator hot junction;
Pipeline connects secondary thermoelectric generator behind one-level thermoelectric generator hot junction, and this section of pipeline accesses the entrance of fuel reserve tank behind secondary thermoelectric generator hot junction;
Native system also comprises three grades of thermoelectric generators, level Four thermoelectric generator and a set of cold water circulating system, in described cold water circulating system, cold water separates four branch roads by pipeline, the first branch road is through one-level thermoelectric generator cold junction, then through three grades of thermoelectric generator hot junctions, then behind level Four thermoelectric generator hot junction by forming resident living hot water;
The second branch road of cold water forms resident living hot water through secondary thermoelectric generator cold junction; The 3rd branch road of cold water forms resident living hot water through secondary thermoelectric generator cold junction again after three grades of thermoelectric generator cold junctions; The 4th branch road of cold water directly forms resident living hot water through level Four thermoelectric generator cold junction.
Further: above-mentioned heat-conducting medium is conduction oil.
Further: above-mentioned conduction oil is liquid in the time of 280 ℃.
The invention has the beneficial effects as follows:
The present invention utilizes the multistage electricity generation system of solar heat, by the thermo-electric generation of four ranks, takes full advantage of solar thermal energy, and overall generating efficiency is high, and hot water for life finally can also be provided.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Description of reference numerals:
1-one-level thermoelectric generator cold junction, tri-grades of thermoelectric generator hot junctions of 2-, tri-grades of thermoelectric generator cold junctions of 3-, 4-cold water, 5-one-level thermoelectric generator, tri-grades of thermoelectric generators of 6-, 7-secondary thermoelectric generator, 8-secondary thermoelectric generator cold junction, 9-secondary thermoelectric generator hot junction, 10-level Four thermoelectric generator hot junction, 11-level Four thermoelectric generator cold junction, 12-level Four thermoelectric generator, 13-resident living hot water, 14-fuel reserve tank, 15-heliostat field, 16-optically focused tower, 17-oil-feed pump, 18-heat collector, 19-temperature control module, 20-control valve, 21-one-level thermoelectric generator hot junction.
Embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the invention is described:
Fig. 1 shows the structure of one embodiment of the invention, as shown in the figure, and in the present invention, sunlight is reflexed to the focus place on optically focused tower 16 by heliostat field 15, heat collector 18 is installed at the thermal-arrest focus place of optically focused tower 16, the interior filling conduction oil of heat collector 18, and this conduction oil is heated to 280 degree; The below pipeline entrance installation pipeline of heat collector 18, installs oil-feed pump 17 on this section of pipeline, the pipeline of the oil pumping mouth of oil-feed pump 17 is connected to the fuel reserve tank 14 with refrigerating function;
The upper end outlet installation pipeline of heat collector 18, temperature control module 19 is installed on this section of pipeline and is controlled oil liquid temperature, pipeline is installed control valve 20 after temperature control module 19, pipeline connects one-level thermoelectric generator 5 after control valve 20, the conduction oil of high temperature is through one-level thermoelectric generator hot junction 21, when oil liquid temperature reaches 280 degree, temperature control module 19 is opened control valve 20, and high-temperature oil liquid enters one-level thermoelectric generator hot junction 21;
Pipeline connects secondary thermoelectric generator 7 behind one-level thermoelectric generator hot junction 21, and this section of pipeline accesses the entrance of fuel reserve tank 14 behind secondary thermoelectric generator hot junction 9.
Native system also comprises three grades of thermoelectric generators 6, level Four thermoelectric generator 12 and a set of cold water circulating system, in described cold water circulating system, cold water 4 separates four branch roads by pipeline, the first branch road is through one-level thermoelectric generator cold junction 1, then through three grades of thermoelectric generator hot junctions 2, then behind level Four thermoelectric generator hot junction 10 by forming hot water 13 for resident living;
The second branch road of cold water 4 forms hot water 13 for resident living through secondary thermoelectric generator cold junction 8; The 3rd branch road of cold water 4 forms hot water 13 for resident living through secondary thermoelectric generator cold junction 8 again after three grades of thermoelectric generator cold junctions 3; The 4th branch road of cold water 4 directly forms hot water 13 for resident living through level Four thermoelectric generator cold junction 11.
By reference to the accompanying drawings the preferred embodiment for the present invention is explained in detail above, but the invention is not restricted to above-mentioned execution mode, in the ken possessing those of ordinary skills, can also under the prerequisite that does not depart from aim of the present invention, make a variety of changes.
Do not depart from the spirit and scope of the present invention and can make many other changes and remodeling.Should be appreciated that and the invention is not restricted to specific execution mode, scope of the present invention is defined by the following claims.
Claims (3)
1. one kind is utilized the multistage electricity generation system of solar heat, sunlight is reflexed to the focus place on optically focused tower (16) by heliostat field (15), heat collector (18) is installed at the thermal-arrest focus place of optically focused tower (16), in heat collector (18), fill heat-conducting medium, it is characterized in that: the below pipeline entrance installation pipeline of heat collector (18), oil-feed pump (17) is installed on this section of pipeline, and the pipeline of the oil pumping mouth of oil-feed pump (17) is connected to the fuel reserve tank (14) with refrigerating function;
The upper end outlet installation pipeline of heat collector (18), temperature control module (19) is installed on this section of pipeline and is controlled oil liquid temperature, pipeline is installed control valve (20) after temperature control module (19), pipeline connects one-level thermoelectric generator (5) after control valve (20), and the heat-conducting medium of high temperature is through one-level thermoelectric generator hot junction (21);
Pipeline connects secondary thermoelectric generator (7) behind one-level thermoelectric generator hot junction (21), and this section of pipeline accesses the entrance of fuel reserve tank (14) behind secondary thermoelectric generator hot junction (9);
Native system also comprises three grades of thermoelectric generators (6), level Four thermoelectric generator (12) and a set of cold water circulating system, in described cold water circulating system, cold water (4) separates four branch roads by pipeline, the first branch road is through one-level thermoelectric generator cold junction (1), then through three grades of thermoelectric generator hot junctions (2), then behind level Four thermoelectric generator hot junction (10) by forming hot water (13) for resident living;
The second branch road of cold water (4) forms hot water (13) for resident living through secondary thermoelectric generator cold junction (8); The 3rd branch road of cold water (4) passes through secondary thermoelectric generator cold junction (8) again and forms hot water (13) for resident living after three grades of thermoelectric generator cold junctions (3); The 4th branch road of cold water (4) directly passes through level Four thermoelectric generator cold junction (11) and forms hot water (13) for resident living.
2. a kind of multistage electricity generation system of utilizing solar heat as claimed in claim 1, is characterized in that: described heat-conducting medium is conduction oil.
3. a kind of multistage electricity generation system of utilizing solar heat as claimed in claim 2, is characterized in that: described conduction oil is liquid state in the time of 280 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210596482.2A CN103904945A (en) | 2012-12-24 | 2012-12-24 | Multistage power generation system by means of solar energy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210596482.2A CN103904945A (en) | 2012-12-24 | 2012-12-24 | Multistage power generation system by means of solar energy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103904945A true CN103904945A (en) | 2014-07-02 |
Family
ID=50996129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210596482.2A Pending CN103904945A (en) | 2012-12-24 | 2012-12-24 | Multistage power generation system by means of solar energy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103904945A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104832387A (en) * | 2015-03-25 | 2015-08-12 | 上海领势新能源科技有限公司 | Liquid-nitrogen assisted energy storage tower type solar power plant |
| CN116605848A (en) * | 2023-07-13 | 2023-08-18 | 云南全控机电有限公司 | Ultra-high purity tellurium purification equipment convenient to retrieve heat |
-
2012
- 2012-12-24 CN CN201210596482.2A patent/CN103904945A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104832387A (en) * | 2015-03-25 | 2015-08-12 | 上海领势新能源科技有限公司 | Liquid-nitrogen assisted energy storage tower type solar power plant |
| CN116605848A (en) * | 2023-07-13 | 2023-08-18 | 云南全控机电有限公司 | Ultra-high purity tellurium purification equipment convenient to retrieve heat |
| CN116605848B (en) * | 2023-07-13 | 2023-10-03 | 云南全控机电有限公司 | Ultra-high purity tellurium purification equipment convenient to retrieve heat |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202395699U (en) | Power generation system using geothermal resources | |
| CN201650630U (en) | Device generating electricity by solar energy and terrestrial heat | |
| CN101526271A (en) | Wind-light complementation heat collecting system with energy storage device | |
| CN103151966A (en) | Terrestrial heat source thermoelectric conversion device | |
| CN202395698U (en) | Geothermal source power generating thermoelectric conversion system | |
| CN105840442A (en) | Complementary type supercritical carbon dioxide and organic Rankin union power generation system and method | |
| CN101126503A (en) | Solar energy heat drum boiler and its uses of the boiler in generating set | |
| CN102635462A (en) | Heat storage temperature control device of solar disc-type Sterling engine | |
| CN205638823U (en) | Super supercritical carbon dioxide and organic rankine integrated power production system of complementary type | |
| CN203744205U (en) | Solar electric steam boiler | |
| CN203214254U (en) | Fused salt and heat conducting oil heat exchanging device for solar photo-thermal power generating | |
| CN105736262A (en) | Solar-assisted geothermal power generation system | |
| CN102661259B (en) | Integrated solar thermal power generation system | |
| CN207554279U (en) | A kind of tower solar-thermal generating system | |
| CN106121942A (en) | A kind of supercritical solar power station using liquid lead bismuth heat transfer and heat accumulation | |
| CN103061833A (en) | Solar energy and biomass energy combined heat and power cogeneration device | |
| CN202560494U (en) | Integrated solar thermal power generating system | |
| CN202545152U (en) | Combined solar and geothermal power generation device | |
| CN104296397A (en) | Device capable of utilizing heat of disk-type solar thermal collector in offline and concentrated mode | |
| CN103904945A (en) | Multistage power generation system by means of solar energy | |
| CN204153996U (en) | A kind of the heat energy of disc type solar energy heat collector is carried out off-line and focus utilization device | |
| CN201096060Y (en) | Solar energy generator set | |
| CN103161701A (en) | Solar energy heat energy multilevel power generation system | |
| CN107023446B (en) | It is a kind of using carbon dioxide as heat accumulation and do work working medium Fresnel solar light-heat power-generation system | |
| CN110108045A (en) | A kind of solar energy power supply device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140702 |