CN202993582U - Groove type paraboloid solar light-collecting heat collector system and array thereof - Google Patents
Groove type paraboloid solar light-collecting heat collector system and array thereof Download PDFInfo
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- CN202993582U CN202993582U CN2012205572361U CN201220557236U CN202993582U CN 202993582 U CN202993582 U CN 202993582U CN 2012205572361 U CN2012205572361 U CN 2012205572361U CN 201220557236 U CN201220557236 U CN 201220557236U CN 202993582 U CN202993582 U CN 202993582U
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S23/00—Arrangements for concentrating solar-rays for solar heat collectors
- F24S23/70—Arrangements for concentrating solar-rays for solar heat collectors with reflectors
- F24S23/74—Arrangements for concentrating solar-rays for solar heat collectors with reflectors with trough-shaped or cylindro-parabolic reflective surfaces
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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
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Abstract
The utility model discloses a groove type paraboloid solar light-collecting heat collector system and an array thereof and belongs to the field of solar heat-collecting systems. A heat collector comprises a solar light-collecting system and a heat collector support structure. A solar light-collecting system and a light-collecting reflecting adjusting device are arranged on the heat collector support structure. A hydraulic transmission system and a tracking control system are arranged in the middle of the heat collector support structure. Light-collecting efficiency and tracking precision are improved by modularization and array assembly of the heat collector, light-collecting efficiency is improved, and the cost is reduced. The groove type paraboloid solar light-collecting heat collector system is simple in structure, low in investment cost, easy to popularize and particularly suitable for construction of large-scale groove type power stations.
Description
Technical field
The utility model relates to solar thermal collection system field, particularly a kind of groove type paraboloid solar concentrating collector system and array thereof.
Background technology
Serious environmental problem has caused take coal as main electric structure in China; along with day by day increasing the weight of of energy crisis and environmental problem; adopt solar thermal energy to carry out extensive centralized generating; not only will bring into play significant role take coal as main electrification structure to sustainable development and the change of China's electric power, be also the important energy source basis that power industry realizes sustainable development.
In the solar energy light gathering and heat collecting technology, the groove type paraboloid concentrator is most widely used and is ripe, has obtained successful utilization in many large-scale solar heats power stations.In the groove type solar electricity generation system, the efficient of parabolic collector directly has influence on the efficient of whole power plant.
Traditional groove type paraboloid solar heat collector mainly is comprised of parabolic mirror, solar receiver and support three parts, the endothermic tube of receiver is comprised of inner and outer pipe, inner tube is generally stainless steel tube, be coated with selective coating, outer tube is glass material, interlayer between inner and outer pipes is evacuated, and endothermic tube two ends are bellows.
In realizing process of the present utility model, the inventor finds that there is following problem at least in prior art:
One, the optical property of groove type paraboloid heat collector is the major reason that affects the heat collector collecting efficiency, and the endothermic tube structure defocus effect of the receiver of existing heat collector has directly affected its optical property, thereby light gathering efficiency is not high, and collecting efficiency is low; Two, existing heat collector exists tracking error larger, and light can not be vertical with paraboloidal lighting surface all the time, but has incidence angle with the normal of lighting surface, thereby tracking accuracy is low; Three, the support of existing heat collector is heavy, and high cost is unfavorable for popularizing.
Summary of the invention
Not high in order to solve in prior art the heat collector light gathering efficiency, the problem that tracking accuracy is low, the utility model embodiment provides a kind of groove type paraboloid solar concentrating collector system and array thereof, modularization and array set by heat collector, strengthen light gathering efficiency and tracking accuracy, and then the raising collecting efficiency, reduce costs.Described technical scheme is as follows:
A kind of groove type paraboloid solar concentrating collector system and array thereof, described heat collector comprises: solar thermal collection system, heat collector bracket structure, be provided with solar thermal collection system, optically focused Reflective regulation device on described heat collector bracket structure, be provided with Hydraulic Power Transmission System, tracking control system in the middle part of heat collector bracket structure.
Particularly, described solar thermal collection system comprises at least: slot type plated film vacuum tube, vacuum tube adjustment seat, the U-shaped seat of vacuum tube support, light shield, transition conduit, elbow; The U-shaped seat of described vacuum tube support is arranged on vacuum tube end frame and the A-frame top, vacuum tube middle part of heat collector bracket structure, on the U-shaped seat of described vacuum tube support, the vacuum tube adjustment seat is installed, slot type plated film vacuum tube, light shield are installed on the vacuum tube adjustment seat; Two ends at slot type plated film vacuum tube are equipped with transition conduit and/or elbow.
Particularly, described optically focused Reflective regulation device comprises at least: speculum, L-type support, speculum ceramic block, two right angle support; Described speculum by L-type support, speculum ceramic block, two right angle support with bolt-connection on the cantilever of heat collector bracket structure.
Particularly, described heat collector bracket structure comprises at least: torque tube girder, torque tube auricle, stiffener, supporting cantilever, torque tube flanged plate, connecting axle flanged plate, intermodule connecting axle, bearing cap, bearing block, A-frame, vacuum tube bracket fixing plate, stay fork crossbeam, stay fork end plate, screw pin, swivelling pipe boss, swivelling pipe in the middle part of bearing block fixed head, heat collector side stand, center pillar, middle ground, side ground, vacuum tube end frame, vacuum tube; Described torque tube girder connects with supporting cantilever with bolt by torque tube auricle, stiffener, be provided with optically focused Reflective regulation device on supporting cantilever, torque tube girder two ends connect with the vacuum tube bracket fixing plate of solar thermal collection system with screw by torque tube flanged plate, connecting axle flanged plate; Be provided with the middle pylon that drives of heat collector side stand, side ground, middle ground and Hydraulic Power Transmission System below described supporting cantilever; The intermodule connecting axle is arranged in bearing block, and bearing block is connected on the bearing block fixed head; In the middle part of described vacuum tube end frame, vacuum tube, A-frame is used for supporting slot type plated film vacuum tube, described vacuum tube middle part A-frame is arranged on the drive plate of Hydraulic Power Transmission System, and the vacuum tube end frame is arranged on heat collector bracket structure by the vacuum tube bracket fixing plate.
Particularly, the stay fork crossbeam of described heat collector bracket structure is arranged on the center pillar of heat collector bracket structure, stay fork crossbeam two ends are actively coupled swivelling pipe boss, swivelling pipe by stay fork end plate, screw pin, and swivelling pipe is actively coupled by doublejointed rotating shaft and vacuum tube end frame.
Particularly, described Hydraulic Power Transmission System comprises at least: rotating shaft, drive plate, driven unit, middle pylon, hydraulic oil pump, hydralic hose, hydraulic cylinder brace summer, hydraulic cylinder, hinge, actuating arm, actuating arm flange, the driving shaft of driving; Drive tower top in the middle of described drive plate, driven unit, rotating shaft are installed, drive in pylon in the middle of described hydraulic oil pump, hydraulic cylinder are installed, the actuating arm that arranges on driving shaft and hydraulic cylinder, actuating arm flange are hinged, and the actuating arm flange connect is on the torque tube flanged plate of heat collector bracket structure.
Particularly, described tracking control system comprises at least: obliquity sensor and be arranged on Switching Power Supply, AC power, breaker, overheat protector, A.C. contactor, relay, controller in switch board; Described obliquity sensor is arranged on the drive plate of Hydraulic Power Transmission System, and switch board is arranged on the middle of Hydraulic Power Transmission System and drives in pylon, and described controller is connected with obliquity sensor, Switching Power Supply and relay, and Switching Power Supply is connected with AC power; Described AC power is connected with breaker, and breaker connects overheat protector, and overheat protector connects A.C. contactor, and A.C. contactor is connected with the hydraulic cylinder motor; The output module of described controller connects relay, relay connecting fluid cylinder pressure reversal valve.
Particularly, described collector array is in series by several modules, wherein, heat collector bracket structure is comprised of torque tube girder and supporting cantilever, described supporting cantilever is welded into truss structure by rectangle pipe material, wherein, described each root torque tube girder connects with adjacent torque tube girder by the intermodule connecting axle, and described each root supporting cantilever connects with adjacent supporting cantilever; Described Hydraulic Power Transmission System, tracking control system are laid in array central authorities, and power is exported to two ends, and described collector array two ends are connected slot type plated film vacuum tube by bellows or rotary joint with circulation line; The slot type plated film vacuum tube of described solar thermal collection system is connected with adjacent slot type plated film vacuum tube by transition conduit, elbow.
Further, described speculum material is double-deck doubling glass or individual layer safety glass or reflecting material.
Compared to existing technology, the beneficial effect that the technical scheme that the utility model embodiment provides is brought is: by modularization and the array set of heat collector, strengthen light gathering efficiency and tracking accuracy, and then improve collecting efficiency, reduce costs.Simple in structure, input cost is low, is easy to popularize, and is particularly suitable for the construction in large-scale slot type power station.
Description of drawings
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, during the below will describe embodiment, the accompanying drawing of required use is done to introduce simply, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the groove type paraboloid solar concentrating collector system that provides of the utility model embodiment and the front view of array structure schematic diagram thereof;
Fig. 2 is A-A structural representation in Fig. 1 of providing of the utility model embodiment;
Fig. 3 is B-B structural representation in Fig. 1 of providing of the utility model embodiment;
Fig. 4 is I section enlarged drawing in Fig. 1 of providing of the utility model embodiment;
Fig. 5 is II section enlarged drawing in Fig. 1 of providing of the utility model embodiment;
Fig. 6 is III section enlarged drawing in Fig. 1 of providing of the utility model embodiment;
Fig. 7 is IV section enlarged drawing in Fig. 1 of providing of the utility model embodiment;
Fig. 8 is V section enlarged drawing in Fig. 3 of providing of the utility model embodiment;
Fig. 9 is VI section enlarged drawing in Fig. 3 of providing of the utility model embodiment;
Figure 10 is K-K structural representation in Fig. 8 of providing of the utility model embodiment;
Figure 11 is VII section enlarged drawing in Fig. 3 of providing of the utility model embodiment;
Figure 12 is VIII section enlarged drawing in Fig. 3 of providing of the utility model embodiment;
Figure 13 is that the heat collector that the utility model embodiment provides is followed the tracks of the stop position structural representation;
Figure 14 is the heat collector protective position structural representation that the utility model embodiment provides;
The tracking control system operation principle block diagram that Figure 15 provides for the utility model embodiment;
Figure 16 is the front view of the collector array structural representation that provides of the utility model embodiment;
Figure 17 is the top view of the collector array structural representation that provides of the utility model embodiment.
In figure, each symbolic representation implication is as follows:
1 solar thermal collection system, 1-1 slot type plated film vacuum tube, 1-2 vacuum tube adjustment seat, the U-shaped seat of 1-3 vacuum tube support, 1-4 light shield, 1-5 transition conduit, 1-6 elbow;
2 optically focused Reflective regulation devices, 2-1 parabolic mirror, 2-2L type support member, 2-3 speculum ceramic block, 2-4 pair of right angles support chip;
3 heat collector bracket structures, 3-1 torque tube girder, 3-2 torque tube auricle, the 3-3 stiffener, the 3-4 cantilever, 3-5 torque tube flanged plate, 3-6 connecting axle flanged plate, 3-7 intermodule connecting axle, the 3-8 bearing cap, the 3-9 bearing block, 3-10 bearing block fixed head, 3-11 heat collector side stand, the 3-12 center pillar, ground in 3-13, 3-14 side ground, 3-15 vacuum tube end frame, 3-16 vacuum tube middle part A-frame, 3-17 vacuum tube bracket fixing plate, 3-18 stay fork crossbeam, 3-19 stay fork end plate, the 3-20 screw pin, 3-21 swivelling pipe boss, the 3-22 swivelling pipe,
4 Hydraulic Power Transmission Systems, the 4-1 rotating shaft, the 4-2 drive plate drives pylon, 4-5 hydraulic oil pump, 4-6 hydralic hose, 4-7 hydraulic cylinder brace summer, 4-8 hydraulic cylinder, 4-9 hinge, 4-10 actuating arm, 4-11 actuating arm flange, 4-12 driving shaft in the middle of 4-3 driven unit, 4-4;
5 tracking control systems, 5-1 obliquity sensor, 5-2 controller, 5-3 Switching Power Supply, 5-4 AC power, 5-5 breaker, 5-6 overheat protector, 5-7 A.C. contactor, 5-8 relay, 5-9 switch board.
The specific embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing, the utility model embodiment is described in further detail.
Shown in Figure 1, the utility model embodiment provides a kind of groove type paraboloid solar concentrating collector system and array thereof, adopts parabolic mirror, and torque tube and cantilever combination die blocking are adopted in the support of speculum, can realize the collector array of different length, improve collecting efficiency.This heat collector mainly comprises: the parts such as solar thermal collection system 1, optically focused Reflective regulation device 2, heat collector bracket structure 3, Hydraulic Power Transmission System 4, tracking control system 5; Be provided with solar thermal collection system 1, optically focused Reflective regulation device 2 on described heat collector bracket structure 3, heat collector bracket structure 3 middle parts are provided with Hydraulic Power Transmission System 4, the described Hydraulic Power Transmission System 4 of tracking control system 5 drives tracking control system 5, tracking control system 5 adopts Programmable Logic Controller (PLC) and the closed-loop control of high-precision tilt angle sensor, has greatly improved the control accuracy of system.
Simultaneously referring to Fig. 2, Fig. 3, Fig. 6, shown in Figure 16, particularly, described solar thermal collection system 1 comprises at least: the parts such as slot type plated film vacuum tube 1-1, vacuum tube adjustment seat 1-2, the U-shaped seat of vacuum tube support 1-3, light shield 1-4, transition conduit 1-5, elbow 1-6; The U-shaped seat of described vacuum tube support 1-3 is arranged on vacuum tube end frame 3-15 and the A-frame 3-16 top, vacuum tube middle part of heat collector bracket structure 3, on the U-shaped seat of described vacuum tube support 1-3, vacuum tube adjustment seat 1-2 is installed, slot type plated film vacuum tube 1-1, light shield 1-4 are installed on vacuum tube adjustment seat 1-2; Two ends at slot type plated film vacuum tube 1-1 are equipped with transition conduit 1-5 and/or elbow 1-6, are used for modularization and the array set of slot type plated film vacuum tube 1-1; Described slot type plated film vacuum tube 1-1 is used for absorbing the sunray after focusing on, can select commercially available 41PTR slot type vacuum heat absorbing pipe, its skin is glass enclosure tube, internal layer is the plated film steel pipe, is vacuum interlayer between glass outer vestlet and plated film steel pipe, for reducing heat waste, glass outer vestlet and bellows melt be enclosed in together with, inhomogeneous thermal expansion between available buffer metal inner pipe and glass outer tube, the vacuum coating steel pipe can reduce heat loss, improves the photo-thermal transformation efficiency.
Referring to Fig. 8, Fig. 9, Figure 10, shown in Figure 12, particularly, described optically focused Reflective regulation device 2 comprises at least simultaneously: speculum 2-1, L-type support 2-2, speculum ceramic block 2-3, two right angle supports the parts such as 2-4; Described speculum 2-1 is double-deck doubling glass or individual layer safety glass, but is not limited only to these two kinds, can also be the reflecting materials such as reflective aluminum, reflectance coating; Speculum 2-1 supports 2-2, speculum ceramic block 2-3, two right angle support 2-4 use bolt-connection on the cantilever 3-4 of heat collector bracket structure 3 by L-type, and can support 2-2, two right angle by L-type and support 2-4 and finely tune the position of speculum 2-1 by bolt, make some speculum 2-1 form the paraboloidal investigation on several focus reflectors on parabola cambered surface direction, described parabolic mirror 2-1 parabola focal length is not less than 1.5 meters, the parabola opening is not less than 5 meters, can sunshine reflect focalization to a line with vertical irradiation on.
simultaneously referring to Fig. 4, Fig. 5, Fig. 6, Fig. 7, shown in Figure 16, particularly, described heat collector bracket structure 3 comprises at least: torque tube girder 3-1, torque tube auricle 3-2, stiffener 3-3, supporting cantilever 3-4, torque tube flanged plate 3-5, connecting axle flanged plate 3-6, intermodule connecting axle 3-7, bearing cap 3-8, bearing block 3-9, bearing block fixed head 3-10, heat collector side stand 3-11, center pillar 3-12, middle ground 3-13, side ground 3-14, vacuum tube end frame 3-15, vacuum tube middle part A-frame 3-16, vacuum tube bracket fixing plate 3-17, stay fork crossbeam 3-18, stay fork end plate 3-19, screw pin 3-20, swivelling pipe boss 3-21, the parts such as swivelling pipe 3-22, described heat collector bracket structure 3 main bodys are combined by torque tube girder 3-1 and supporting cantilever 3-4, and torque tube girder 3-1 is used for transmission, and the cantilever 3-4 of torque tube girder 3-1 both sides is used for supporting reflex mirror 2-1, described torque tube girder 3-1 is a pipe, by torque tube auricle 3-2, stiffener 3-3 connects with supporting cantilever 3-4 with bolt, be provided with optically focused Reflective regulation device 2 on supporting cantilever 3-4, torque tube girder 3-1 two ends are by torque tube flanged plate 3-5, connecting axle flanged plate 3-6 connects with vacuum tube bracket fixing plate 3-17 with screw, and torque tube girder 3-1 is connected with adjacent torque tube girder 3-1 by intermodule connecting axle 3-7, intermodule connecting axle 3-7 is arranged in bearing block 3-9, bearing block 3-9 by bolt-connection on bearing block fixed head 3-10, be provided with bearing cap 3-8 on bearing block 3-9, described supporting cantilever 3-4 is welded into truss structure by rectangle pipe material, its first line of a couplet is connected to center pillar 3-12, center pillar 3-12 is used for connecting solar thermal collection system 1, be provided with the middle pylon 4-4 that drives of heat collector side stand 3-11 and Hydraulic Power Transmission System 4 below it, heat collector side stand 3-11 is arranged on side ground 3-14 by foundation bolt, and the middle pylon 4-4 that drives is arranged on middle ground 3-13 by foundation bolt, described vacuum tube end frame 3-15, vacuum tube middle part A-frame 3-16 are used for supporting slot type plated film vacuum tube 1-1, vacuum tube middle part A-frame 3-16 is arranged on the drive plate 4-2 of Hydraulic Power Transmission System 4, and vacuum tube end frame 3-15 is arranged on heat collector bracket structure 3 by vacuum tube bracket fixing plate 3-17.
Simultaneously referring to Fig. 3, shown in Figure 11, described stay fork crossbeam 3-18 is arranged on the center pillar 3-12 of heat collector bracket structure 3, stay fork crossbeam 3-18 two ends are actively coupled swivelling pipe boss 3-21, swivelling pipe 3-22 by stay fork end plate 3-19, screw pin 3-20, swivelling pipe 3-22 is actively coupled by doublejointed rotating shaft and vacuum tube end frame 3-15, avoids the stress that expands with heat and contract with cold and produce.
Simultaneously referring to Fig. 1, Fig. 2, Figure 13, shown in Figure 14, particularly, described Hydraulic Power Transmission System 4 is prior art, comprises at least: rotating shaft 4-1, drive plate 4-2, driven unit 4-3, middle pylon 4-4, hydraulic oil pump 4-5, hydralic hose 4-6, hydraulic cylinder brace summer 4-7, hydraulic cylinder 4-8, hinge 4-9, actuating arm 4-10, the parts such as actuating arm flange 4-11, driving shaft 4-12 of driving; Driving pylon 4-4 in the middle of described is frame structure, its upper surface is lower than heat collector side stand 3-11 upper surface 15mm, the top is equipped with drive plate 4-2, driven unit 4-3, rotating shaft 4-1 is installed on drive plate 4-2, driven unit 4-3 comprises hydraulic cylinder motor, hydraulic cylinder reversal valve, belt etc., and the hydraulic cylinder motor provides power source for Hydraulic Power Transmission System 4; Drive in pylon 4-4 in the middle of described hydraulic oil pump 4-5, hydraulic cylinder brace summer 4-7, hydraulic cylinder 4-8 are installed, hydraulic oil pump 4-5 connects hydraulic cylinder 4-8 by hydralic hose 4-6, hydraulic cylinder 4-8 connects the hydraulic cylinder motor of driven unit 4-3, the hydraulic cylinder motor is by belt coupled drive shaft 4-12, be provided with actuating arm 4-10 on driving shaft 4-12, actuating arm 4-10 one end and hydraulic cylinder 4-8 are hinged, the other end and actuating arm flange 4-11 are hinged, and actuating arm flange 4-11 is connected on the torque tube flanged plate 3-5 of heat collector bracket structure 3; Described hydraulic cylinder 4-8 is hinged on hydraulic cylinder brace summer 4-7 by hinge 4-9.
simultaneously referring to Figure 13, Figure 14, shown in Figure 15, particularly, described tracking control system 5 is prior art, comprises at least: obliquity sensor 5-1, switch board 5-2 and be arranged on the parts such as Switching Power Supply 5-3, AC power 5-4 in switch board 5-2, breaker 5-5, overheat protector 5-6, A.C. contactor 5-7, relay 5-8, controller 5-9, described obliquity sensor 5-1 is arranged on the drive plate 4-2 of Hydraulic Power Transmission System 4, switch board 5-2 is arranged on the middle of Hydraulic Power Transmission System 4 and drives in pylon 4-4, described controller 5-9 adopts Programmable Logic Controller (PLC), be connected with high-precision tilt angle sensor 5-1,24V Switching Power Supply 5-3 and relay 5-8, Switching Power Supply 5-3 is connected with AC power 5-4, obliquity sensor 5-1 detection heat collector position, the angle signal of heat collector is fed back to PLC controller 5-9, adopt closed-loop control greatly to improve the control accuracy of system, described AC power 5-4 is connected with breaker 5-5, breaker 5-5 plays the effect of on/off, connect overheat protector 5-6 after breaker 5-5, overheat protector 5-6 makes A.C. contactor 5-7 open circuit at power of motor during excessive or motor wiring phase sequence mistake, plays the effect of protection motor, described overheat protector 5-6 connects A.C. contactor, and A.C. contactor 5-7 is connected with hydraulic cylinder motor in Hydraulic Power Transmission System 4, the output module of described PLC controller 5-9 connects relay 5-8, relay 5-8 connects the hydraulic cylinder reversal valve in Hydraulic Power Transmission System 4, PLC controller 5-9 controls the switching of hydraulic cylinder reversal valve by the break-make of relay 5-8, flexible with this actuating arm 4-10 that controls Hydraulic Power Transmission System 4, realize controlling the rotating of the utility model embodiment heat collector, realize the angle rotation of 200 ° of heat collectors, Figure 13 is that heat collector is followed the tracks of stop position, Figure 14 is the heat collector protective position, can reach the real-time tracking position of sun by described Hydraulic Power Transmission System 4 and described tracking control system 5, guarantee sunray can reflect focalization to absorber.
referring to Figure 16, shown in Figure 17, particularly, described collector array is in series by several modules, wherein, the torque tube girder 3-1 of described heat collector bracket structure 3, supporting cantilever 3-4 structure adopts modularized design, described each root torque tube girder 3-1 links by intermodule connecting axle 3-7 and adjacent torque tube girder 3-1, described each root supporting cantilever 3-4 connects with adjacent supporting cantilever 3-4 by bolt, can realize easily the collector array of different length, in collector array, described Hydraulic Power Transmission System 4, tracking control system 5 is laid in array central authorities, power is exported to two ends, described collector array two ends are connected slot type plated film vacuum tube 1-1 by bellows or rotary joint with circulation line, the slot type plated film vacuum tube 1-1 of described solar thermal collection system 1 is welded to connect by adopting between transition conduit 1-5, elbow 1-6 and adjacent slot type plated film vacuum tube 1-1, consist of thus modularization and the array set of heat collector, the optically focused ratio of described heat collector is not less than 80.
The operation principle of the utility model embodiment: during installation, with heat collector north-south horizontal positioned, East and West direction is followed the tracks of the sun, and the trunnion axis of heat collector is parallel to earth true meridian direction.described solar thermal collection system 1 with the sunray reflect focalization of vertical irradiation to the slot type plated film vacuum tube 1-1 that is positioned at the parabolic focus place, slot type plated film vacuum tube 1-1 is as the heat collector endothermic tube, absorb the radiant energy of high heat flux and be translated into high temperature heat and pass to the heat transfer medium that flows in thermal-collecting tube, circulation of fluid is taken away heat energy simultaneously, provide power by heat-exchange system for the electricity generation system of back, in this process, tracking control system 5 is adjusted the speculum 2-1 elevation angle of optically focused Reflective regulation device 2 by the obliquity sensor 5-1 mode that method of loci is combined with between the solar time, make slot type plated film vacuum tube 1-1 and speculum 2-1 constantly follow the tracks of solar position, guarantee tracking accuracy, maximum solar radiant energy is focused on thermal-collecting tube, the mode that the metal slot type plated film vacuum tube 1-1 of high temperature passes through heat convection heats by heat exchange vapour with the interior heat-transfer fluid that flows of pipe, produces high-temperature steam, promotes gas-turbine and generates electricity.
In addition, the utility model embodiment also has the following advantages: adopt the plated film steel pipe that vacuumizes, can improve collecting efficiency; Adopt parabolic mirror, can improve light gathering efficiency; Speculum support to adopt torque tube and cantilever combining structure, and is lightweight, and carrying is large, can reduce the distortion that causes due to blast and own wt and then the optical property of raising heat collector; Adopt modularized design, simple in structure, with low cost, can realize easily being easy to the collector array of different length popularize, be particularly suitable for the construction in large-scale slot type power station.
The above is only preferred embodiment of the present utility model, and is in order to limit the utility model, not all within spirit of the present utility model and principle, any modification of doing, is equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (9)
1. a groove type paraboloid solar concentrating collector system and array thereof, described heat collector comprises: solar thermal collection system (1), heat collector bracket structure (3), it is characterized in that, be provided with solar thermal collection system (1), optically focused Reflective regulation device (2) on described heat collector bracket structure (3), be provided with Hydraulic Power Transmission System (4), tracking control system (5) in the middle part of heat collector bracket structure (3).
2. groove type paraboloid solar concentrating collector system according to claim 1 and array thereof, it is characterized in that, described solar thermal collection system (1) comprises at least: slot type plated film vacuum tube (1-1), vacuum tube adjustment seat (1-2), the U-shaped seat of vacuum tube support (1-3), light shield (1-4), transition conduit (1-5), elbow (1-6); The U-shaped seat of described vacuum tube support (1-3) is arranged on vacuum tube end frame (3-15) and A-frame (3-16) top, vacuum tube middle part of heat collector bracket structure (3), on the U-shaped seat of described vacuum tube support (1-3), vacuum tube adjustment seat (1-2) is installed, slot type plated film vacuum tube (1-1), light shield (1-4) are installed on vacuum tube adjustment seat (1-2); Transition conduit (1-5) and/or elbow (1-6) are installed at the two ends of slot type plated film vacuum tube (1-1).
3. groove type paraboloid solar concentrating collector system according to claim 1 and array thereof, it is characterized in that, described optically focused Reflective regulation device (2) comprises at least: speculum (2-1), L-type support (2-2), speculum ceramic block (2-3), two right angle supports (2-4); Described speculum (2-1) supports (2-2), speculum ceramic block (2-3), two right angle support (2-4) use bolt-connection on the cantilever (3-4) of heat collector bracket structure (3) by L-type.
4. groove type paraboloid solar concentrating collector system according to claim 1 and array thereof, it is characterized in that, described heat collector bracket structure (3) comprises at least: torque tube girder (3-1), torque tube auricle (3-2), stiffener (3-3), supporting cantilever (3-4), torque tube flanged plate (3-5), connecting axle flanged plate (3-6), intermodule connecting axle (3-7), bearing cap (3-8), bearing block (3-9), bearing block fixed head (3-10), heat collector side stand (3-11), center pillar (3-12), middle ground (3-13), side ground (3-14), vacuum tube end frame (3-15), vacuum tube middle part A-frame (3-16), vacuum tube bracket fixing plate (3-17), stay fork crossbeam (3-18), stay fork end plate (3-19), screw pin (3-20), swivelling pipe boss (3-21), swivelling pipe (3-22), described torque tube girder (3-1) connects with supporting cantilever (3-4) with bolt by torque tube auricle (3-2), stiffener (3-3), be provided with optically focused Reflective regulation device (2) on supporting cantilever (3-4), torque tube girder (3-1) two ends connect with the vacuum tube bracket fixing plate (3-17) of solar thermal collection system (1) with screw by torque tube flanged plate (3-5), connecting axle flanged plate (3-6), be provided with the middle pylon (4-4) that drives of heat collector side stand (3-11), side ground (3-14), middle ground (3-13) and Hydraulic Power Transmission System (4) below described supporting cantilever (3-4), intermodule connecting axle (3-7) is arranged in bearing block (3-9), and bearing block (3-9) is connected on bearing block fixed head (3-10), described vacuum tube end frame (3-15), vacuum tube middle part A-frame (3-16) are used for supporting slot type plated film vacuum tube (1-1), described vacuum tube middle part A-frame (3-16) is arranged on the drive plate (4-2) of Hydraulic Power Transmission System (4), and vacuum tube end frame (3-15) is arranged on heat collector bracket structure (3) by vacuum tube bracket fixing plate (3-17).
5. groove type paraboloid solar concentrating collector system according to claim 4 and array thereof, it is characterized in that, the stay fork crossbeam (3-18) of described heat collector bracket structure (3) is arranged on the center pillar (3-12) of heat collector bracket structure (3), stay fork crossbeam (3-18) two ends are by stay fork end plate (3-19), screw pin (3-20) is actively coupled swivelling pipe boss (3-21), swivelling pipe (3-22), swivelling pipe (3-22) is actively coupled by doublejointed rotating shaft and vacuum tube end frame (3-15).
6. groove type paraboloid solar concentrating collector system according to claim 1 and array thereof, it is characterized in that, described Hydraulic Power Transmission System (4) comprises at least: rotating shaft (4-1), drive plate (4-2), driven unit (4-3), middle pylon (4-4), hydraulic oil pump (4-5), hydralic hose (4-6), hydraulic cylinder brace summer (4-7), hydraulic cylinder (4-8), hinge (4-9), actuating arm (4-10), actuating arm flange (4-11), the driving shaft (4-12) of driving; In the middle of described, driving pylon (4-4) top is equipped with drive plate (4-2), driven unit (4-3), rotating shaft (4-1), drive in pylon (4-4) in the middle of described hydraulic oil pump (4-5), hydraulic cylinder (4-8) are installed, the upper actuating arm (4-10) that arranges of driving shaft (4-12) with hydraulic cylinder (4-8), (4-11) is hinged for the actuating arm flange, actuating arm flange (4-11) is connected on the torque tube flanged plate (3-5) of heat collector bracket structure (3).
7. groove type paraboloid solar concentrating collector system according to claim 1 and array thereof, it is characterized in that, described tracking control system (5) comprises at least: obliquity sensor (5-1) and be arranged on Switching Power Supply (5-3), AC power (5-4), breaker (5-5), overheat protector (5-6), A.C. contactor (5-7), relay (5-8), controller (5-9) in switch board (5-2); Described obliquity sensor (5-1) is arranged on the drive plate (4-2) of Hydraulic Power Transmission System (4), switch board (5-2) is arranged on the middle of Hydraulic Power Transmission System (4) and drives in pylon (4-4), described controller (5-9) is connected with obliquity sensor (5-1), Switching Power Supply (5-3) and relay (5-8), and Switching Power Supply (5-3) is connected with AC power (5-4); Described AC power (5-4) is connected with breaker (5-5), breaker (5-5) connects overheat protector (5-6), overheat protector (5-6) connects A.C. contactor (5-7), and A.C. contactor (5-7) is connected with the hydraulic cylinder motor; The output module of described controller (5-9) connects relay (5-8), relay (5-8) connecting fluid cylinder pressure reversal valve.
8. according to claim 1-7 any one described groove type paraboloid solar concentrating collector system and arrays thereof, it is characterized in that, described collector array is in series by several modules, wherein, heat collector bracket structure (3) is comprised of torque tube girder (3-1) and supporting cantilever (3-4), described supporting cantilever (3-4) is welded into truss structure by rectangle pipe material, wherein, described each root torque tube girder (3-1) connects with adjacent torque tube girder (3-1) by intermodule connecting axle (3-7), described each root supporting cantilever (3-4) connects with adjacent supporting cantilever (3-4), described Hydraulic Power Transmission System (4), tracking control system (5) are laid in array central authorities, and power is exported to two ends, and described collector array two ends are connected slot type plated film vacuum tube (1-1) by bellows or rotary joint with circulation line, the slot type plated film vacuum tube (1-1) of described solar thermal collection system (1) is connected with adjacent slot type plated film vacuum tube (1-1) by transition conduit (1-5), elbow (1-6).
9. groove type paraboloid solar concentrating collector system according to claim 3 and array thereof, is characterized in that, described speculum (2-1) material is double-deck doubling glass or individual layer safety glass or reflecting material.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012205572361U CN202993582U (en) | 2012-10-26 | 2012-10-26 | Groove type paraboloid solar light-collecting heat collector system and array thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012205572361U CN202993582U (en) | 2012-10-26 | 2012-10-26 | Groove type paraboloid solar light-collecting heat collector system and array thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102889690A (en) * | 2012-10-26 | 2013-01-23 | 皇明太阳能股份有限公司 | Tank type paraboloid solar concentrating collector system and array thereof |
| CN107366647A (en) * | 2017-09-05 | 2017-11-21 | 河海大学常州校区 | A kind of slot-type optical collector support and adjusting method |
| CN107940780A (en) * | 2017-06-12 | 2018-04-20 | 天津滨海光热跟踪技术有限公司 | A kind of 750 meters of collection hot loops and its application in 50MW light fields |
| CN108413624A (en) * | 2018-03-26 | 2018-08-17 | 拉萨市城关区地毯厂 | Based on the vegetable colour preparation system that solar groove type heat collector is heat source |
-
2012
- 2012-10-26 CN CN2012205572361U patent/CN202993582U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102889690A (en) * | 2012-10-26 | 2013-01-23 | 皇明太阳能股份有限公司 | Tank type paraboloid solar concentrating collector system and array thereof |
| CN107940780A (en) * | 2017-06-12 | 2018-04-20 | 天津滨海光热跟踪技术有限公司 | A kind of 750 meters of collection hot loops and its application in 50MW light fields |
| CN107366647A (en) * | 2017-09-05 | 2017-11-21 | 河海大学常州校区 | A kind of slot-type optical collector support and adjusting method |
| CN108413624A (en) * | 2018-03-26 | 2018-08-17 | 拉萨市城关区地毯厂 | Based on the vegetable colour preparation system that solar groove type heat collector is heat source |
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