CN207018151U - A kind of Stirling solar electric generating system waste heat utilization structure - Google Patents
A kind of Stirling solar electric generating system waste heat utilization structure Download PDFInfo
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- CN207018151U CN207018151U CN201720333473.2U CN201720333473U CN207018151U CN 207018151 U CN207018151 U CN 207018151U CN 201720333473 U CN201720333473 U CN 201720333473U CN 207018151 U CN207018151 U CN 207018151U
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- heat
- generator group
- stirling
- storing device
- stirling generator
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- 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
Abstract
The utility model discloses a kind of Stirling solar electric generating system waste heat utilization structure, including heat collector（1）, stirling generator group（3）And circulation line, heat collector（1）With stirling generator group（3）Between be provided with heat-storing device（2）, through stirling generator group（2）Heat transfer medium out enters heat collector（1）Or heat-storing device（2）, through heat collector（1）Heat transfer medium after heating enters heat-storing device（2）Or stirling generator group（3）, heat-storing device（2）In heat transfer medium enter stirling generator group；Stirling generator group（3）Connect air to water heat exchanger（13）, air to water heat exchanger（13）Heat storage water tank is connected respectively（5）And water circulating pump（9）.The system using heat-storing device by absorption on daytime come solar radiation energy stored in the form of heat energy, carry out hot generating to being discharged again when night or cloudy illumination deficiency, and utilize engine exhaust heat progress hot water supply.
Description
Technical field
It the utility model is related to a kind of Stirling generating and heating system.
Background technology
Under energy intense situation increasingly, the new energy of exploitation cleaning is all being made great efforts in countries in the world.Solar energy is as a kind of
The infinite natural energy resources of clean environment firendly, reserves, its proportion in the variety of energy sources that the mankind are utilized become increasing.Too
The mode that sun can utilize can be divided mainly into four classes：Photothermal deformation, opto-electronic conversion, Photochemical convertion and photo-biological conversion；Wherein light
Thermal transition and photoelectric conversion application are most wide, most common.Solar light-heat power-generation mainly has trough system, tower system at present
With three kinds of disk system, and the conversion efficiency highest of the hot generation technology of dish-style Stirling solar in three, discharge are minimum, arrangement
Flexible advantage, favor is enjoyed in photo-thermal power generation field, there is good efficiency of energy utilization and market development prospect.
Existing disk system is generated electricity using Driven by Solar Energy Stirling engine, its flexible arrangement, system rule
Mould is changeable；Both can the operation of single complete equipment, can also generate electricity in groups on a large scale.But there is no heat storage capacity, can only have too
The fine day of sun generates electricity；And because the position of Stirling engine is not fixed（Rotated with dish stand）And it is difficult to the storage of system
Heat or afterburning.The power output of generator is easily influenceed by weather, and even in daytime, its intensity of sunshine is also constantly to change
, therefore the electric energy exported is unstable, needs to be adjusted to stable output before accessing power network.And in Stirling engine
Cooling itself is also required at work, it is necessary to which cooling water or fan cool down to engine, and this partial heat energy is also loss
's.
The content of the invention
The technical problems to be solved in the utility model：Damaged for the generating of existing device of solar generating is unstable with heat energy
A kind of the problem of mistake, there is provided system that can be stored heat energy with stable electric generation and effectively utilize waste heat.
Technical solutions of the utility model：
A kind of Stirling solar electric generating system waste heat utilization structure, including heat collector, stirling generator group and follow
Endless tube road, heat transfer medium are circulated by circulation line between heat collector and stirling generator group, heat collector and Si Te
Heat-storing device is provided between woods generating set, the heat transfer medium come out through stirling generator group enters heat collector or heat accumulation
Device, the heat transfer medium after heat collector heats enter heat-storing device or stirling generator group, the biography in heat-storing device
Thermal medium enters stirling generator group.
Stirling generator group connects air-water heat exchanger, and air-water heat exchanger connects heat storage water tank and recirculated water respectively
Pump.
Stirling generator group connects hot water exchanger, and hot water exchanger connects heat storage water tank and water circulating pump respectively.
The heat collector is arranged on dish-style, slot type or tower concentrator.
Heat transfer medium in heat-storing device can also pass into heat collector.
The junction installation valve of each pipeline, passes through the opening and closing of controller control valve door on circulation line.
The beneficial effects of the utility model：
The system using heat-storing device by absorption on daytime come solar radiation energy stored in the form of heat energy, pass through
Controller adjusts the flow of heat energy, and the heat energy ensured into Stirling engine is maintained at a more stable value, to night
Between or discharge again during cloudy illumination deficiency and carry out hot generating, make the generating of power station continuous-stable.Using heat-storage technology and
Dish-style Stirling solar electric generating system is combined the cogeneration system of composition, can not only there is the work of stable network load
With, moreover it is possible to the energy loss during system frequent start-stop is reduced, improves solar energy utilization ratio, solar energy is provided continuous electricity
Can be accomplished.
By air-water heat exchanger, the Hot-blast Heating cold water after directly being generated electricity using stirling generator group, accelerate hot water
Formation speed, suitable for the place big to hot water supply requirement amount.
During generating, stirling generator group itself is needed to radiate, and in the presence of water circulating pump, cold water is sent
Heated on to the hot water exchanger of stirling generator group, be then stored in heat storage water tank, realize the recycling of waste heat.
Brief description of the drawings：
Fig. 1 is structural representation of the present utility model.
Embodiment：
System mainly from heat collector 1, heat-storing device 2, stirling generator group 3, circulating fan 6, heat accumulation blower fan 7,3 to
Valve（Direction and flow are controllable）, hot water exchanger 4, heat storage water tank 5, water circulating pump 9, transformer 8, air-water heat exchanger 13, gas
Road and a few part compositions of waterway circulating pipeline.
Connected between heat collector 1, heat-storing device 2 and stirling generator group 3 by hot gas cycle pipeline, pass through heat accumulation
Blower fan 7, circulating fan 6 coordinate several directions and flow it is controllable 3 control gas to move towards to valve, realize storage heat and generating power respectively
Function.
Stirling generator group 3 absorbs to generate electricity from the heat of heat collector 1 or heat-storing device 2, defeated by transformer 8
It is sent to power network.
Stirling generator group 3 connects air-water heat exchanger 13, and air-water heat exchanger 13 connects the He of heat storage water tank 5 respectively
Water circulating pump 9.
During the work of stirling generator group work 3, radiated by hot water exchanger 4, added under the drive of water circulating pump 9
Hot cold water is simultaneously sent into heat storage water tank 5.
Operation principle
First, heat accumulation
When having sunshine irradiation daytime, close 3 path to valve 1 to 3 to valve 2, close heat-storing device 2 reach 3 to
The path of valve 2, close 3 and reach heat-storing device 2 to valve 3 and reach 3 paths to valve 4.Optically focused dish is opened to reach to valve 1 by 3
The path of heat-storing device 2, open heat-storing device 2 and reach 3 paths to valve 4 by heat accumulation blower fan 7, open 3 and reach optically focused to valve 4
The path of dish.（Heat accumulation circulates：Heat collector 1>3 to valve 1>Heat-storing device 2>Heat accumulation blower fan>3 to valve 4>Heat collector 1）
Control the optically focused dish tracking sun to collect heat, drive the gas in pipeline to flow by heat accumulation blower fan 7, collection will be come from
The heat of thermal 1 is sent to heat-storing device 2, and gas temperature declines after the heat exchange action of heat-storing device 2, then sends thermal-arrest back to
Device 1 heats.So move in circles, until heat accumulation is completed.
2nd, generating and UTILIZATION OF VESIDUAL HEAT IN
1. generating and heat supply
When having sunshine irradiation daytime, 3 paths that heat-storing device 2 is reached to valve 1 are closed, heat-storing device 2 is closed and arrives
Up to 3 to valve 2 path, close 3 paths that heat-storing device 2 is reached to valve 3, close heat-storing device 2 and reach 3 by heat accumulation blower fan 7
To the path of valve 4.Control 3 opens optically focused dish to valve 2 to valve 1 and 3 and reaches the logical of stirling generator group 3 by circulating fan 6
Road, open the path that stirling generator group 3 reaches optically focused dish by 3 to valve 3 and 3 to valve 4.（Optically focused dish power generation cycle：Thermal-arrest
Device 1>3 to valve 1>3 to valve 2>Circulating fan 6>Stirling generator group 3>3 to valve 3>3 to valve 4>Heat collector 1）
Open cold feed valve, ON cycle water pump 9.
Control the optically focused dish tracking sun to collect heat, drive the gas in pipeline to flow by circulating fan 7, future autohemagglutination
The heat of laser disc is sent to stirling generator group 3 and generated electricity, and high-temperature gas temperature after stirling generator group declines, then sends back to
Optically focused dish heats.
Stirling generator group 3 is connected to transformer 8, and electricity can be transported into power network by transformer 8.
During generating, stirling generator group 3 itself needs to radiate, in the presence of water circulating pump 9, by cold water
It is sent on the hot water exchanger 4 of stirling generator group 3 and heats, is then stored in heat storage water tank 5, realizes the recycling of waste heat.
Hot-air by stirling generator unit 3 heat exchange after, also to pass through air-water heat exchanger 13, finally again from gas-
Water heat exchanger 13 enters heat collector 1 or heat-storing device 2.Stirling generator is directly used by air-water heat exchanger 13
Hot-blast Heating cold water after the generating of group 3, accelerates hot water formation speed, suitable for the place big to hot water supply requirement amount.
2. heat-storing device 2 generates electricity and heat supply
Have daytime when cloud block or night comes, begin to use the heat being stored in heat-storing device 2 to generate electricity.Control
System 3 closes optically focused dish to valve 1 and reaches path of the heat-storing device 2 and 3 to valve 2, closes heat-storing device 2 and reaches 3 by heat accumulation blower fan
To the path of valve 4, close 3 and reach 3 paths to valve 4 to valve 3.Control 3 is opened heat-storing device 2 to valve 2 and arrived by circulating fan 6
Up to the path of stirling generator group, the path that stirling generator group reaches heat-storing device 2 by 3 to valve 3 is opened.（Heat accumulation
Power generation cycle：Heat-storing device 2>3 to valve 2>Circulating fan 6>Stirling generator group 3>3 to valve 3>Heat-storing device 2）
Open cold feed valve, ON cycle water pump 9.
The gas in pipeline is driven to flow by circulating fan 6, the heat from heat-storing device 2 is sent into Stirling generates electricity
Unit 3 generates electricity, and high-temperature gas temperature after stirling generator group 3 declines, then sends heat-storing device 2 back to and heat.
Stirling generator group 3 is connected to transformer 8, and electricity can be transported into power network by transformer 8.
During generating, stirling generator group 3 itself needs to radiate, in the presence of water circulating pump 9, by cold water
It is sent on the hot water exchanger 4 of stirling generator group 3 and heats, is then stored in heat storage water tank 5, realizes the recycling of waste heat.
Hot-air by stirling generator unit 3 heat exchange after, also to pass through air-water heat exchanger 13, finally again from gas-
Water heat exchanger 13 enters heat collector 1 or heat-storing device 2.Stirling generator is directly used by air-water heat exchanger 13
Hot-blast Heating cold water after the generating of group 3, accelerates hot water formation speed, suitable for the place big to hot water supply requirement amount.
Claims (4)
1. a kind of Stirling solar electric generating system waste heat utilization structure, including heat collector（1）, stirling generator group（3）
And circulation line, heat transfer medium is by circulation line in heat collector（1）With stirling generator group（3）Between circulate, it is special
Sign is：Heat collector（1）With stirling generator group（3）Between be provided with heat-storing device（2）, through stirling generator group
（2）Heat transfer medium out enters heat collector（1）Or heat-storing device（2）, through heat collector（1）Heat transfer medium after heating enters
Enter heat-storing device（2）Or stirling generator group（3）, heat-storing device（2）In heat transfer medium enter stirling generator group
（3）, stirling generator group（3）Connect air-water heat exchanger（13）, air-water heat exchanger（13）Heat storage water tank is connected respectively
（5）And water circulating pump（9）.
2. Stirling solar electric generating system waste heat utilization structure according to claim 1, it is characterised in that：Stirling is sent out
Group of motors（3）Connect hot water exchanger（4）, hot water exchanger（4）Heat storage water tank is connected respectively（5）And water circulating pump（9）.
3. Stirling solar electric generating system waste heat utilization structure according to claim 1, it is characterised in that：The thermal-arrest
Device（1）On dish-style, slot type or tower concentrator.
4. Stirling solar electric generating system waste heat utilization structure according to claim 1, it is characterised in that：Heat-storing device
（2）In heat transfer medium can also be directly entered heat collector（1）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720333473.2U CN207018151U (en) | 2017-03-31 | 2017-03-31 | A kind of Stirling solar electric generating system waste heat utilization structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720333473.2U CN207018151U (en) | 2017-03-31 | 2017-03-31 | A kind of Stirling solar electric generating system waste heat utilization structure |
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| CN207018151U true CN207018151U (en) | 2018-02-16 |
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| CN201720333473.2U Active CN207018151U (en) | 2017-03-31 | 2017-03-31 | A kind of Stirling solar electric generating system waste heat utilization structure |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111022272A (en) * | 2019-12-25 | 2020-04-17 | 义乌初晨新能源科技有限公司 | Novel solar generator |
| CN111854185A (en) * | 2020-07-21 | 2020-10-30 | 哈尔滨工业大学 | Solar intelligent heat storage system based on neural network control and control method |
| CN113530773A (en) * | 2020-04-20 | 2021-10-22 | 浙江大学 | Power generation system and method for operating same |
-
2017
- 2017-03-31 CN CN201720333473.2U patent/CN207018151U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111022272A (en) * | 2019-12-25 | 2020-04-17 | 义乌初晨新能源科技有限公司 | Novel solar generator |
| CN113530773A (en) * | 2020-04-20 | 2021-10-22 | 浙江大学 | Power generation system and method for operating same |
| CN113530773B (en) * | 2020-04-20 | 2023-01-24 | 浙江大学 | Power generation system and method of operating the same |
| CN111854185A (en) * | 2020-07-21 | 2020-10-30 | 哈尔滨工业大学 | Solar intelligent heat storage system based on neural network control and control method |
| CN111854185B (en) * | 2020-07-21 | 2021-10-08 | 哈尔滨工业大学 | Solar intelligent heat storage system based on neural network control and control method |
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