CN210087559U - Disc type solar power generation and comprehensive energy utilization system - Google Patents
Disc type solar power generation and comprehensive energy utilization system Download PDFInfo
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- CN210087559U CN210087559U CN201920254880.3U CN201920254880U CN210087559U CN 210087559 U CN210087559 U CN 210087559U CN 201920254880 U CN201920254880 U CN 201920254880U CN 210087559 U CN210087559 U CN 210087559U
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- heat absorber
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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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- 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
- Y02E10/47—Mountings or tracking
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Abstract
The utility model relates to a dish formula solar energy power generation and comprehensive energy utilization system does not have a system energy at present and simply and conveniently, economy, controllability go to solve dish formula solar energy system waste heat comprehensive utilization problem highland. To the insufficient problem of present dish formula solar energy power generation waste heat utilization, the utility model discloses an add the mode of water coil heat absorber and stirling water-cooling heat transfer for near the heat of dissipation of dish formula solar electric system stirling can comprehensive utilization. The improvement of several points more than synthesizing, the utility model discloses a dish formula solar generator comprehensive energy utilization system that describes is higher to the latitude degree of spotlight equipment processing and installation accuracy, allows the defocus of certain degree to can reduce processing and installation accuracy, select more economic material, thereby reduce the system cost, improve the market competition of dish formula system, promote dish formula solar power system's commercialization process.
Description
Technical Field
The utility model relates to a dish formula solar energy power generation and comprehensive energy utilization system belongs to solar thermal energy and utilizes technical field, specifically is used for improvement and the energy comprehensive utilization of dish formula solar energy power generation and comprehensive energy utilization system.
Background
The dish type solar power generation is one of solar thermal power generation, sunlight is converged to a focus through a dish-shaped reflecting surface, reflected energy is converted into heat energy by an absorber near the focus, and a stirling engine is driven to operate and generate power, for example, the chinese patent with the application number of 201810628610.4. Due to the reasons of processing and installation accuracy and the like, part of solar radiation energy is scattered on the periphery of the Stirling heat absorber, the operation time of the device is increased, the support framework material is subjected to wind load and self weight, the design is deviated from the pre-focusing design, the radiation quantity scattered on the periphery is increased, and parts around the Stirling power generation system are possibly burnt. In addition, the stirling engine of the existing disc type solar power generation system basically adopts air cooling, and a high-power fan is used for cooling, so that the waste heat of the stirling generator is directly dissipated and cannot be utilized, and the power consumption of the fan is not negligible extra loss.
In summary, no disc-type solar power generation and comprehensive energy utilization system is available at present, which can simply, economically and highly controllably solve the problem of comprehensive utilization of waste heat of the disc-type solar power generation and comprehensive energy utilization system.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the above-mentioned not enough that exists among the prior art, and provide a dish formula solar energy power generation and comprehensive energy utilization system.
The utility model provides a technical scheme that above-mentioned problem adopted is: a disc type solar power generation and comprehensive energy utilization system comprises a stand column, a disc type reflector, a supporting arm and Stirling power generation equipment, wherein the disc type reflector is fixed on the stand column, and the Stirling power generation equipment is connected with the disc type reflector through the supporting arm; the Stirling power generation device is a water-cooled Stirling power generation device, a Stirling machine heat absorber is arranged on the Stirling power generation device, a water coil heat absorber is arranged on the periphery of the Stirling machine heat absorber, a Stirling machine water-cooling heat exchanger is adjacently arranged on the Stirling machine heat absorber, and the Stirling machine water-cooling heat exchanger is connected with a water outlet pipeline and a water inlet pipeline.
Preferably, the water outlet pipeline is divided into a water outlet pipeline main road and a water outlet pipeline bypass, and the water inlet pipeline is divided into a water inlet pipeline main road and a water inlet pipeline bypass; the water outlet pipeline main path and the water inlet pipeline main path are connected with the Stirling machine water-cooling heat exchanger, and the water outlet pipeline bypass and the water inlet pipeline bypass are connected with the water coil heat absorber.
Preferably, the water coil heat absorber is coated with a radiation absorbing layer.
Preferably, a plurality of temperature measuring points are arranged on the water coil heat absorber.
Preferably, the water coil heat absorber can be made into a whole annular coil or a plurality of small blocks which are spliced into an annular shape.
The working method of the disc type solar power generation and comprehensive energy utilization system is as follows, the disc type reflector tracks and gathers solar energy in two dimensions to drive the Stirling power generation equipment to generate power, and the water coil heat absorber absorbs the scattered radiation caused by the focusing precision of the disc type reflector; the Stirling engine water-cooling heat exchanger adjusts the flow rate of cooling water and the temperature of outlet water as required, and the cooling water enters the Stirling engine water-cooling heat exchanger through the water inlet pipeline main path on one path, takes away the waste heat of the Stirling power generation equipment and is discharged from the water outlet pipeline main path; and the other path of cooling water enters the water coil heat absorber through a water inlet pipeline bypass and is determined to be opened or not according to the actual condition.
When the temperature measuring point of the water coil heat absorber reaches a certain temperature, the control system sends an instruction to open the water inlet pipeline bypass, and cooling water enters the water coil heat absorber and is discharged by the water outlet pipeline bypass.
And the main water outlet pipeline and the bypass water outlet pipeline respectively absorb heat in the Stirling machine water-cooling heat exchanger and the water coil heat absorber and then converge, the heat is transmitted to the ground along the water outlet pipeline, the heat is stored in the heat storage water tank, and the heat is preserved by the water outlet pipeline. The feedback and control of the system are well done, and proper conditions for opening or closing the bypass are selected, so that the heat collection efficiency is improved.
The cooling water needs to be filtered and deionized, the cooled water can be internally circulated, and a heat exchanger is additionally arranged to exchange heat with tap water and then enter a heat storage water tank.
The drawn-down hot water can be used for supplying users or for power generation by the ORC system, and the specific temperature can be determined according to the nearby load demand.
The water inlet pipeline can be branched at the cantilever and is provided with a plurality of water spray nozzles, and the disc type reflecting mirror can be automatically cleaned.
Compared with the prior art, the utility model, have following advantage and effect: the Stirling power generation system has reasonable structural design, fully utilizes the cooling waste heat of the Stirling power generation system and the radiation energy dissipated by condensation, and generates hot water with certain temperature, thereby improving the comprehensive utilization efficiency of energy. Meanwhile, the Stirling power generation system is protected. Because the heat absorber of the water coil absorbs the heat dissipated by condensation, the comprehensive energy utilization system of the disc-type solar generator has higher tolerance on the processing and mounting precision of the condensation equipment and allows defocusing to a certain degree, so that the processing and mounting precision can be reduced, more economic materials can be selected, the manufacturing cost of the system is reduced, the market competitiveness of the disc-type system is improved, and the commercialization process of the disc-type solar generator system is promoted.
Drawings
Fig. 1 is a schematic view of the overall structure of a disc-type solar power generation and comprehensive energy utilization system according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of components of a stirling power generation device according to an embodiment of the present invention.
In the figure: 1-upright column; 2-a dish mirror; 3-a support arm; 4-a stirling power plant; 5-a stirling machine heat absorber; 6-water coil heat absorber; 7-stirling machine water-cooled heat exchanger; 8-a water outlet pipeline; 9-a water inlet pipeline; 81-main water outlet pipeline path; 82-an outlet conduit bypass; 91-main path of water inlet pipeline; 92-inlet pipe bypass.
Detailed Description
The present invention will be described in further detail by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not intended to limit the present invention.
Examples are given.
Referring to fig. 1 to 2, the disc-type solar power generation and comprehensive energy utilization system in the embodiment includes an upright post 1, a disc-type reflector 2, a support arm 3 and a stirling power generation device 4, wherein the disc-type reflector 2 is fixed on the upright post 1, and the stirling power generation device 4 is connected with the disc-type reflector 2 through the support arm 3;
the Stirling power generation equipment 4 is water-cooled Stirling power generation equipment 4, the Stirling power generation equipment 4 is provided with a Stirling engine heat absorber 5, the periphery of the Stirling engine heat absorber 5 is provided with a water coil heat absorber 6, the Stirling engine heat absorber 5 is adjacently provided with a Stirling engine water-cooling heat exchanger 7, and the Stirling engine water-cooling heat exchanger 7 is connected with a water outlet pipeline 8 and a water inlet pipeline 9.
The outlet pipe 8 is divided into an outlet pipe main path 81 and an outlet pipe bypass 82, and the inlet pipe 9 is divided into an inlet pipe main path 91 and an inlet pipe bypass 92; the outlet pipe main path 81 and the inlet pipe main path 91 are connected to the stirling machine water-cooled heat exchanger 7, and the outlet pipe bypass 82 and the inlet pipe bypass 92 are connected to the water coil heat absorber 6.
The working method of the disc type solar power generation and comprehensive energy utilization system is as follows, the disc type reflector 2 drives the Stirling power generation equipment 4 to generate power by two-dimensional tracking and solar energy convergence, and the water coil heat absorber 6 absorbs the scattered radiation caused by the focusing precision of the disc type reflector 2; the Stirling machine water-cooling heat exchanger 7 adjusts the flow rate of cooling water and the temperature of outlet water as required, and the cooling water enters the Stirling machine water-cooling heat exchanger 7 through the water inlet pipeline main path 91 on one path, takes away the waste heat of the Stirling power generation equipment 4 and is discharged from the water outlet pipeline main path 81; the other path of cooling water enters the water coil heat absorber 6 through a water inlet pipeline bypass 92, and whether the water coil heat absorber is started or not is determined according to actual conditions.
The water coil heat absorber 6 is coated with a radiation absorbing layer, and a plurality of temperature measuring points are arranged on the water coil heat absorber 6. When the temperature measurement point of the water coil heat absorber 6 reaches a certain temperature, the control system sends an instruction to open the water inlet pipe bypass 92, and the cooling water enters the water coil heat absorber 6 and is discharged from the water outlet pipe bypass 82.
The main outlet pipe path 81 and the bypass outlet pipe path 82 absorb heat in the stirling engine water-cooled heat exchanger 7 and the water coil heat absorber 6, converge, and reach the ground along the outlet pipe 8, and enter the thermal storage water tank, and the outlet pipe 8 needs to be insulated.
Although the present invention has been described with reference to the above embodiments, it should not be construed as being limited to the scope of the present invention, and any modifications and alterations made by those skilled in the art without departing from the spirit and scope of the present invention should fall within the scope of the present invention.
Claims (4)
1. A disc type solar power generation and comprehensive energy utilization system comprises a vertical column (1), a disc type reflector (2), a supporting arm (3) and Stirling power generation equipment (4), wherein the disc type reflector (2) is fixed on the vertical column (1), and the Stirling power generation equipment (4) is connected with the disc type reflector (2) through the supporting arm (3); the Stirling power generation device is characterized in that the Stirling power generation device (4) is a water-cooled Stirling power generation device (4), a Stirling engine heat absorber (5) is arranged on the Stirling power generation device (4), a water coil heat absorber (6) is arranged on the periphery of the Stirling engine heat absorber (5), a Stirling engine water-cooling heat exchanger (7) is adjacently arranged on the Stirling engine heat absorber (5), and the Stirling engine water-cooling heat exchanger (7) is connected with a water outlet pipeline (8) and a water inlet pipeline (9).
2. The dish-type solar power generation and integrated energy utilization system according to claim 1, wherein the outlet pipe (8) is divided into an outlet pipe main path (81) and an outlet pipe bypass path (82), and the inlet pipe (9) is divided into an inlet pipe main path (91) and an inlet pipe bypass path (92); the water outlet pipeline main path (81) and the water inlet pipeline main path (91) are connected with the Stirling machine water-cooling heat exchanger (7), and the water outlet pipeline bypass (82) and the water inlet pipeline bypass (92) are connected with the water coil heat absorber (6).
3. The dish solar power and integrated energy utilization system according to claim 1, wherein the water coil heat absorber (6) is coated with a radiation absorbing layer.
4. The dish-type solar power generation and comprehensive energy utilization system according to claim 3, wherein the water coil heat absorber (6) is provided with a plurality of temperature measuring points.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920254880.3U CN210087559U (en) | 2019-02-28 | 2019-02-28 | Disc type solar power generation and comprehensive energy utilization system |
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| CN201920254880.3U CN210087559U (en) | 2019-02-28 | 2019-02-28 | Disc type solar power generation and comprehensive energy utilization system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109973341A (en) * | 2019-02-28 | 2019-07-05 | 华电电力科学研究院有限公司 | A kind of power generation of disc type solar energy and comprehensive energy utilize system and its working method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109973341A (en) * | 2019-02-28 | 2019-07-05 | 华电电力科学研究院有限公司 | A kind of power generation of disc type solar energy and comprehensive energy utilize system and its working method |
| CN109973341B (en) * | 2019-02-28 | 2023-09-15 | 华电电力科学研究院有限公司 | Dish type solar power generation and comprehensive energy utilization system and working method thereof |
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