CN202645896U - Biomass and solar energy photo-thermal mixed power generation system - Google Patents
Biomass and solar energy photo-thermal mixed power generation system Download PDFInfo
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- CN202645896U CN202645896U CN 201220244609 CN201220244609U CN202645896U CN 202645896 U CN202645896 U CN 202645896U CN 201220244609 CN201220244609 CN 201220244609 CN 201220244609 U CN201220244609 U CN 201220244609U CN 202645896 U CN202645896 U CN 202645896U
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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
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Abstract
The utility model discloses a biomass and solar energy photo-thermal mixed power generation system which comprises a solar collector system, a middle heat storage portion for storing heat in daytime or releasing heat at night, a steam generator, a biomass overheating boiler and a turbine set. The middle heat storage portion and the steam generator are in parallel connection to be arranged on a heat conduction circulation pipe of the solar collector system, the steam generator, the biomass overheating boiler and the turbine set are sequentially communicated through pipelines, the solar collector system, the steam generator the biomass overheating boiler and the turbine set are connected to form a day power generation unit, and the middle heat storage portion, the steam generator, the biomass overheating boiler and the turbine set are connected to form a night power generation unit. The biomass and solar energy photo-thermal mixed power generation system enables temperature of a steam outlet to reach to 535 DEG C and pressure of the outlet to reach to 13.3 MPa, so that efficiency of a turbine is similar to a thermal power plant. Furthermore, the biomass and solar energy photo-thermal mixed power generation system recycles burned smoke waste heat to preheat water before entering the steam generator so as to improve heat utilization rate.
Description
Technical field
The utility model relates to biomass power generation and solar light-heat power-generation technical field, especially a kind of living beings and solar energy optical-thermal hybrid power system.
Background technique
In the existing trough type solar power generation system usually with conduction oil as heat transfer medium because the conduction oil serviceability temperature is no more than 400 ℃, make that steam exit temperature only has 370 ℃-380 ℃ in the system, outlet pressure is about 10MPa.So just cause turbine thermodynamic efficiency less than 38%, than steam turbine of thermal power plant efficient low about 5%.And turbine efficiency is improved in the association circulating power generation system that groove type solar and traditional thermoelectricity form, but so still can increase CO
2Discharging and cause environmental pollution.At present, China's biomass power generation industry is first one-step forming, and existing many power plant move.Biomass power generation mainly is some unnecessary agricultural crop straws of consumption.Biomass power plant from built has exposed resource acquisition and managerial contradiction and problems.And biomass power generation is expensive, needs to collect, transport and store just because of biomass resource and causes, and biomass power generation will solve the seasonality of agricultural production and the problem of industrial successional combination.Because agricultural crop straw density is little, the long-distance transportation cost is high, and causing if collect, can increase the expensive of biomass power generation in biomass power plant biomass fuel deficiency again on a large scale.And biomass fuel large scale storage cost is higher in the winter time, also can improve the cost of biomass power generation.
The model utility content
Problem for the prior art existence, the purpose of this utility model is to provide a kind of living beings and solar energy optical-thermal hybrid power system, this hybrid power system both can utilize biomass combustion to improve temperature, the pressure of water vapor, thereby raising turbine thermodynamic efficiency, can reduce again the consumption of some areas living beings, reduce the cost that biomass fuel is collected, transported, stores.
For achieving the above object, the utility model living beings and solar energy optical-thermal hybrid power system, comprise solar energy heat-collection field, be used for daytime storing heat or night release heat middle heat accumulation section, steam generator, the overheated boiler of living beings and steam turbine set, middle heat accumulation section and steam generator are arranged in parallel on the heat conduction circulating line of solar energy heat-collection field, steam generator, the overheated boiler of living beings, steam turbine set is communicated with successively by pipeline, wherein, solar energy heat-collection field, steam generator, the overheated boiler of living beings and steam turbine set connect to form the generator unit on daytime, middle heat accumulation section, steam generator, the overheated boiler of living beings and steam turbine set connect to form the generator unit at night.
Further, described in the middle of heat accumulation section comprise fused salt-heat-condutive oil heat exchanger, high-temperature heat-storage tank and low temperature heat storage can, high-temperature heat-storage tank and low temperature heat storage can are communicated with fused salt-heat-condutive oil heat exchanger by the fused salt circulating line respectively.
Further, set gradually have surplus heat preheater and flue-gas treater on the discharge flue of the overheated boiler of described living beings.
Further, the exhaust end of described steam turbine set is connected with the water vapor condensation device, the water vapor condensation device is communicated with described waste heat preheater, after water vapour flows through described steam turbine set acting, be re-condensed into water in the water vapor condensation device, water imports described waste heat preheater and carries out importing after the preheating described steam generator and recycle.
The heat that the utility model is collected with the groove type solar collecting system is for steam generator provides heat energy.It is overheated that the heat energy that produces with biomass combustion carries out the water vapour of steam generator output, makes the steam outlet temperature reach 535 ℃, and outlet pressure reaches 13.3mpa, makes like this turbine thermodynamic efficiency can be suitable with thermal power plant.And the utility model reclaims the combustion product gases waste heat to carry out preheating for the water that enters before the steam generator, improves heat utilization efficiency.
Description of drawings
Fig. 1 is the utility model structural representation.
Embodiment
Below, with reference to the accompanying drawings, the utility model is more fully illustrated, shown in the drawings of exemplary embodiment of the present utility model.Yet the utility model can be presented as multiple multi-form, and should not be construed as the exemplary embodiment that is confined to narrate here.But, these embodiments are provided, thereby make the utility model comprehensively with complete, and scope of the present utility model is fully conveyed to those of ordinary skill in the art.
In order to be easy to explanation, here can use such as " on ", the space relative terms such as D score " left side " " right side ", be used for element shown in the explanatory drawing or feature with respect to the relation of another element or feature.It should be understood that except the orientation shown in the figure spatial terminology is intended to comprise the different azimuth of device in using or operating.For example, if the device among the figure is squeezed, be stated as the element that is positioned at other elements or feature D score will be positioned at other elements or feature " on ".Therefore, the exemplary term D score can comprise upper and lower orientation both.Device can otherwise be located (90-degree rotation or be positioned at other orientation), and the relative explanation in used space here can correspondingly be explained.
As shown in Figure 1, the utility model living beings and solar energy optical-thermal hybrid power system comprise solar energy heat-collection field 1, be used for daytime storing heat or night release heat middle heat accumulation section, steam generator 5, the overheated boiler 6 of living beings, waste heat preheater 7, flue-gas treater 8, steam turbine set 9, water vapor condensation device 10, conduction oil circulating line 11, fused salt circulating line 12, device of working medium circulating line 13.In the present embodiment, centre heat accumulation section comprises fused salt-heat-condutive oil heat exchanger 2, high-temperature heat-storage tank 3 and low temperature heat storage can 4, high-temperature heat-storage tank 3 and low temperature heat storage can 4 are communicated with fused salt-heat-condutive oil heat exchanger 2 by fused salt circulating line 12 respectively, in actual applications, middle heat accumulation section also can adopt the heat storage structure of various ways, as long as it satisfies the function of storing heat on daytime, night release heat.
Fused salt-heat-condutive oil heat exchanger 2 and steam generator 5 are arranged in parallel on the conduction oil circulating line 11 of solar energy heat-collection field 1.The exhaust end of steam turbine set 9 is connected with water vapor condensation device 10, sets gradually have surplus heat preheater 7 and flue-gas treater 8 on the discharge flue of the overheated boiler 6 of living beings.Steam generator 5, the overheated boiler 6 of living beings, steam turbine set 9, water vapor condensation device 10, waste heat preheater 7 are communicated with successively by device of working medium circulating line 13.
This operation of electric power system flow process is when by day sunlight being arranged: conduction oil flows through solar energy heat-collection field 1, solar energy heat-collection field 1 absorbs solar energy and is converted into heat energy heating conduction oil, after conduction oil after being heated flows out heat collecting field, a part flows through steam generator 5, its heat energy that carries is absorbed by water, makes water become water vapour, and water vapour flows into the overheated boiler 6 of living beings, after the biomass combustion heating, 9 generatings of pushing turbine group; Another part conduction oil flows through fused salt-heat-condutive oil heat exchanger 2, and its heat energy that carries is absorbed by fused salt, has realized the process of fused salt heat accumulation.In the daytime heat accumulation process, fused salt flows into fused salt-heat-condutive oil heat exchangers 2 from low temperature heat storage can 4, enters high-temperature heat-storage tank 3 behind the absorbing heat, has realized the process of fused salt heat accumulation.
The smoke gas flow that produces after living beings are burnt in the overheated boiler 6 of living beings is crossed waste heat preheater 7, for water preheat provides energy, then through discharging behind the flue-gas treater 8.Realize the combustion product gases heat recovery.Water flows through and enters steam generator 5 after waste heat preheater 7 absorbs flue gas heat, absorbs the heat of conduction oil, becomes mutually 332.6 ℃, the water vapour of 13.3Mpa.Water vapour flows into the overheated boiler 6 of living beings and is heated to 535 ℃, flows through steam turbine again, and then 9 generatings of pushing turbine group pass through water vapor condensation device 10, are re-condensed into water, flow into waste heat preheater 7, realize the circulation of device of working medium.
Night during without sunlight this operation of electric power system flow process be: fused salt flows into fused salt-heat-condutive oil heat exchangers 2 from high-temperature heat-storage tank 3, enters low temperature heat storage can 4 after emitting heat, has realized the process of fused salt heat release.Conduction oil flows through fused salt-heat-condutive oil heat exchanger 2 in this process, after being heated by fused salt, flows through steam generator 5 again, its heat energy that carries is absorbed by water, makes water become water vapour, and water vapour flows into the overheated boiler 6 of living beings, after the biomass combustion heating, 9 generatings of pushing turbine group.The smoke gas flow that produces after living beings are burnt in the overheated boiler 6 of living beings is crossed waste heat preheater 7, for water preheat provides energy, then through discharging behind the flue-gas treater 8.Realize the combustion product gases heat recovery.Water flows through and enters steam generator 5 after waste heat preheater 7 absorbs flue gas heat, absorbs the heat of conduction oil, becomes mutually 332.6 ℃, the water vapour of 13.3Mpa.Water vapour flows into the overheated boiler 6 of living beings and is heated to 535 ℃, flows through steam turbine again, and then 9 generatings of pushing turbine group advanced condenser, were re-condensed into water, flowed into waste heat preheater 7, realized the circulation of device of working medium.
Claims (4)
1. living beings and solar energy optical-thermal hybrid power system, it is characterized in that, this hybrid power system comprises solar energy heat-collection field, be used for daytime storing heat or night release heat middle heat accumulation section, steam generator, the overheated boiler of living beings and steam turbine set, middle heat accumulation section and steam generator are arranged in parallel on the heat conduction circulating line of solar energy heat-collection field, steam generator, the overheated boiler of living beings, steam turbine set is communicated with successively by pipeline, wherein, solar energy heat-collection field, steam generator, the overheated boiler of living beings and steam turbine set connect to form the generator unit on daytime, middle heat accumulation section, steam generator, the overheated boiler of living beings and steam turbine set connect to form the generator unit at night.
2. living beings as claimed in claim 1 and solar energy optical-thermal hybrid power system, it is characterized in that, heat accumulation section comprises fused salt-heat-condutive oil heat exchanger, high-temperature heat-storage tank and low temperature heat storage can in the middle of described, and high-temperature heat-storage tank and low temperature heat storage can are communicated with fused salt-heat-condutive oil heat exchanger by the fused salt circulating line respectively.
3. living beings as claimed in claim 1 and solar energy optical-thermal hybrid power system is characterized in that, set gradually have surplus heat preheater and flue-gas treater on the discharge flue of the overheated boiler of described living beings.
4. living beings as claimed in claim 3 and solar energy optical-thermal hybrid power system, it is characterized in that, the exhaust end of described steam turbine set is connected with the water vapor condensation device, the water vapor condensation device is communicated with described waste heat preheater, after water vapour flows through described steam turbine set acting, be re-condensed into water in the water vapor condensation device, water imports described waste heat preheater and carries out importing after the preheating described steam generator and recycle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN 201220244609 CN202645896U (en) | 2012-05-29 | 2012-05-29 | Biomass and solar energy photo-thermal mixed power generation system |
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| CN 201220244609 CN202645896U (en) | 2012-05-29 | 2012-05-29 | Biomass and solar energy photo-thermal mixed power generation system |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103670551A (en) * | 2013-12-13 | 2014-03-26 | 昆明理工大学 | Combined solar energy and biomass organic Rankine circulation system |
| CN104266356A (en) * | 2014-05-23 | 2015-01-07 | 深圳市爱能森设备技术有限公司 | Molten salt heat transfer and storage trough electricity hot water boiler and hot water preparation method |
| CN104456528A (en) * | 2014-11-05 | 2015-03-25 | 江苏太阳宝新能源有限公司 | Method and system for comprehensively utilizing stored energy and smart power grid |
| CN105626402A (en) * | 2014-11-06 | 2016-06-01 | 中国电力工程顾问集团华北电力设计院工程有限公司 | Molten salt heat storage solar thermal power generation system |
| WO2019080809A1 (en) * | 2017-10-24 | 2019-05-02 | 深圳市爱能森科技有限公司 | Solar thermal-biomass power generating system |
| CN109812306A (en) * | 2017-11-20 | 2019-05-28 | 思安新能源股份有限公司 | Optimize Internet of Things based on the local various energy resources that heat accumulation is adjusted |
| CN114570198A (en) * | 2022-03-28 | 2022-06-03 | 西安热工研究院有限公司 | System and method for realizing wide-load denitration of boiler by utilizing solar energy |
| CN115013099A (en) * | 2022-06-01 | 2022-09-06 | 昆明理工大学 | Novel biomass energy and CSP combined new energy power generation system and operation method |
-
2012
- 2012-05-29 CN CN 201220244609 patent/CN202645896U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103670551A (en) * | 2013-12-13 | 2014-03-26 | 昆明理工大学 | Combined solar energy and biomass organic Rankine circulation system |
| CN103670551B (en) * | 2013-12-13 | 2015-12-09 | 昆明理工大学 | A kind of solar energy and living beings alliance organic rankine cycle system |
| CN104266356A (en) * | 2014-05-23 | 2015-01-07 | 深圳市爱能森设备技术有限公司 | Molten salt heat transfer and storage trough electricity hot water boiler and hot water preparation method |
| CN104456528A (en) * | 2014-11-05 | 2015-03-25 | 江苏太阳宝新能源有限公司 | Method and system for comprehensively utilizing stored energy and smart power grid |
| CN105626402A (en) * | 2014-11-06 | 2016-06-01 | 中国电力工程顾问集团华北电力设计院工程有限公司 | Molten salt heat storage solar thermal power generation system |
| WO2019080809A1 (en) * | 2017-10-24 | 2019-05-02 | 深圳市爱能森科技有限公司 | Solar thermal-biomass power generating system |
| CN109812306A (en) * | 2017-11-20 | 2019-05-28 | 思安新能源股份有限公司 | Optimize Internet of Things based on the local various energy resources that heat accumulation is adjusted |
| CN114570198A (en) * | 2022-03-28 | 2022-06-03 | 西安热工研究院有限公司 | System and method for realizing wide-load denitration of boiler by utilizing solar energy |
| CN115013099A (en) * | 2022-06-01 | 2022-09-06 | 昆明理工大学 | Novel biomass energy and CSP combined new energy power generation system and operation method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: RAYSPOWER ENERGY GROUP CO., LTD. Free format text: FORMER NAME: NEW ENERGY POWER CO., LTD. IN HAI DUONG |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 102200 Changping District science and Technology Park, Beijing Road No. 17 Patentee after: Rayspower Energy Group Co., Ltd. Address before: 102200 Changping District science and Technology Park, Beijing Road No. 17 Patentee before: RAYSPOWER NEW ENERGY Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130102 Termination date: 20190529 |