CN203239508U - Power generation system of double-shaft tracking vertical slot type solar energy heat collection unit arrays - Google Patents

Power generation system of double-shaft tracking vertical slot type solar energy heat collection unit arrays Download PDF

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Publication number
CN203239508U
CN203239508U CN 201220356466 CN201220356466U CN203239508U CN 203239508 U CN203239508 U CN 203239508U CN 201220356466 CN201220356466 CN 201220356466 CN 201220356466 U CN201220356466 U CN 201220356466U CN 203239508 U CN203239508 U CN 203239508U
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CN
China
Prior art keywords
solar energy
pipe
hot cell
double
power generation
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Expired - Fee Related
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CN 201220356466
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Chinese (zh)
Inventor
施丙根
施晨泽
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Shanghai Yaxu Electronic Science & Technology Co Ltd
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Shanghai Yaxu Electronic Science & Technology Co Ltd
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Priority to CN 201220356466 priority Critical patent/CN203239508U/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/40Solar thermal energy, e.g. solar towers
    • Y02E10/46Conversion of thermal power into mechanical power, e.g. Rankine, Stirling or solar thermal engines

Abstract

The utility model relates to a power generation system of double-shaft tracking vertical slot type solar energy heat collection unit arrays. The power generation system comprises a steam turbine, a generator, a total water supply pipeline, a total steam delivery pipeline, communicating pipes and the solar energy heat collection unit arrays, and is characterized in that solar energy heat collection units in the solar energy heat collection unit arrays are connected with one another through the communicating pipes, the total steam delivery pipeline is connected with the steam turbine, an output shaft of the steam turbine is connected with the generator, a return pipe of the steam turbine is connected with the total water supply pipeline, and a water supplement pressurization device is in series connection to the total water supply pipeline and then the solar energy heat collection unit arrays are connected into the total water supply pipeline. The power generation system has the advantages that a collecting lens (cover) and heat collection evaporating pipe vertical installation mode is adopted, the structure of the power generation system reaches simplification, standardization and economization, and difficulties (wind-resistant structures, water is directly evaporated to water steam, secondary exchanging, double-shaft tracking, control technology, array synchronized driving, construction investment cost and the like), which all slot type solar energy heat energy applied technologies face at present, can be solved.

Description

The power generation system that the vertical groove type solar of a kind of double-axis tracking is adopted the hot cell array
Technical field
The utility model relates to the power generation system that the vertical groove type solar of a kind of double-axis tracking is adopted the hot cell array.
Background technique
The utility model relates to focus type solar energy energy technology generating (Concentrating Solar Power, be called for short CSP), the solar energy direct light is gathered together in the mode that focuses on by the large size reflecting mirror, heating water or other working medium, final steam, steam driven steam turbine power generation or other utilizations that produces High Temperature High Pressure.At present gather structures at three kinds of heat energy that use in the world: tower, butterfly, slot type structure form, wherein the trough type solar power generation technology is that the most ripe at present solar energy thermal-power-generating utilizes technology.But the mode of at present all uses all is the translot formula solar energy heat-collecting system that lateral structure forms.The groove type solar acquisition system Main Problems that laterally forms is: 1 can not carry out thermal power transfer one time, namely can not adopt water directly to be evaporated to steam, the general mode that is mostly to adopt the conversion of secondary hot working fluid, so cause the efficient low cost high, the pattern length of 2 single group heat-collecting systems is restricted, 3 translot formula solar energy acquisition systems are difficult to realize double-axis tracking, control technique difficulty cost is high, can not bring into play its high efficiency, 4 translot formula solar energy acquisition systems are owing to thereby the reason wind resistance of its structure has caused greatly the requirement of mechanical strength raising, 5 twice cycle fluid fill into the transfer pump that needs power consumption, and since pump carry for High Temperature High Pressure working medium, transfer pump uses under the working environment of High Temperature High Pressure, institute is so that transfer pump life-span and the rising of maintenance operation cost, the maximum problem that exists of translot formula heat energy acquisition system is that cost of investment is electric far above coal at present, and this also is the key issue of the commercial extensive development of obstacle.
Summary of the invention
The purpose of this utility model is to solve existing the problems referred to above of focus type solar energy energy technology power generation system in the prior art, and a kind of double-axis tracking power generation system that vertical groove type solar is adopted the hot cell array is provided.The utility model designs the power generation system that the vertical groove type solar of a kind of double-axis tracking is adopted the hot cell array, comprise steam turbine, generator, total water supply line, total steam conveying pipe, connecting tube, solar energy is adopted the hot cell array, it is characterized in that: solar energy is adopted solar energy in the hot cell array and is adopted hot cell and interconnected by connecting tube, total steam conveying pipe that solar energy is adopted the output of hot cell array connects steam turbine, the output shaft of steam turbine connects generator, the return pipe of steam turbine connects total water supply line, is serially connected with the moisturizing pressurization device on total water supply line and accesses solar energy again and adopt the hot cell array.It is characterized in that: described solar energy is adopted solar energy in the hot cell array, and to adopt hot cell be the vertical slot type solar energy heating of double-axis tracking unit.It is characterized in that: described solar energy is adopted all solar energy that are connected to of hot cell array and is adopted hot cell and be in parallel.It is characterized in that: the vertical slot type solar energy heating of described double-axis tracking unit is by frame, mounting base, the reflector carriage, reflector, heating pipe consists of, frame is installed on the mounting base by horizontal rotating shaft, frame is driven by elevation drive, one support is arranged, the up and down two ends of support are by the front portion of rotating shaft connection frame, at the rear portion of support the reflector carriage is installed, at the reflector carriage reflector is installed, in frame heating pipe is installed, heating pipe is vertically installed, the rotating shaft of support and a corner drive actuator and are connected, reflector be focused to a vertical focusing coil, heating pipe is positioned on the focusing coil of reflector.It is characterized in that: an end of heating pipe is input end, and by connecing total water supply line connecting tube, the other end of heating pipe is output terminal, by connecting total steam conveying pipe connecting tube.It is characterized in that: the horizontal rotating shaft of frame is positioned on the longitudinal center of gravity line of whole vertical slot type solar energy heating unit.It is characterized in that: described moisturizing pressurization device is the air pressure water replenishing device, by elevated tank, intake pipe, outlet pipe, steam source forms, the external total water supply line of intake pipe, connect elevated tank in the intake pipe, be connected to a branched pipe at steam source, be serially connected with steam reversal valve on the branched pipe, the terminal water vat of calming the anger that connects of branched pipe, the calm the anger bottom of water vat is connected with turnover water pipe, turnover water pipe one end connects the elevated tank bottom by one-way valve, the turnover water pipe the other end connects outlet pipe by one-way valve, outlet pipe connects total water supply line, calming the anger, to connect the branched pipe of steam generator terminal for the top of water vat, is provided with one in the water vat of calming the anger from floating piston, and the bottom of the water vat of calming the anger connects turnover water pipe by outlet.It is characterized in that: the water vat of calming the anger can have a plurality of arranged side by side.Condenser (cover) and the vertical installation form of thermal-arrest evaporating pipe that advantage of the present utility model adopts, make its structure reach a clean, standardization, economization, and can solve the difficult problem (wind resisting structure, directly water vapor evaporation, secondary exchange, double-axis tracking, control technique, Installed capital cost etc.) that all at present horizontal slot type solar energy application technologies face.Vertical slot type structure has replaced the control technique difficulty of horizontal thermal energy exchange and has adopted heat-conducting work medium to carry out the pattern of secondary exchange, can adopt the direct evaporated form of water single loop fully, be different from the horizontal slot type heliotechnics of having used, changed secondary (high temperature refrigerant) switch mode, cancelled the restriction of battle array distance degree, improve system effectiveness, do not needed the input of secondary switching equipment, reduced technical costs and equipment cost.The form that vertical slot type structure is installed has reduced wind resistance greatly, has improved wind loading rating, to the requirement of strength reduction of structures under wind resistance, thereby has reduced construction cost and has controlled cost.The reflective light harvesting heat-collecting system of solar energy of vertical slot type structure installation form, adopt double-axis tracking to realize than being easier to, thereby improved significantly the utilization ratio of solar energy, unit area thermal effect energy improves 37.7%, follow the tracks of needed technical difficulty and mechanism and require to have significantly reduction, save a large amount of construction cost, the follower of vertical slot type structure installation form can adopt the array two-way linkage to connect, can accomplish the Complete Synchronization conformity that whole regional system illumination focuses on, technical difficulty and the quantity of following the tracks of actuator have been reduced, reduced Installed capital cost, solar energy acquisition is from territory, motion tracking area of concentration control technique, so that the quantity of control apparatus obtains detailed the minimizing, only need to control once overlapping the execution that can satisfy whole zone, input cost is reduced.Changed present international structural type, thereby so that the application of groove type solar heat energy technology has advantage more, the realization of this patent can make the solar energy utilization raise the efficiency (calculated value is 37.7%) more than 35%, reduce cost of investment 50%-70%, (with reference to selected works: the New Energy Sources In China magazine: Luz company expenditure of construction is reduced to 3011 dollars/kilowatt by 5976 dollars/kilowatt, and cost of electricity-generating is reduced to 12 cents/kilowatt hour by 26.3 cents/kilowatt hour).So applying of the utility model technology possesses the condition that business development is used fully.
Description of drawings
Accompanying drawing 1 is entire system schematic diagram of the present utility model, and Fig. 2 is the vertical slot type solar energy heating of double-axis tracking of the present utility model modular construction schematic diagram, and Fig. 3 is moisturizing pressurization device structural representation of the present utility model.
Below in conjunction with embodiment and accompanying drawing the utility model is elaborated.
Embodiment
Comprise among the figure that steam turbine 1, generator 2, total water supply line 3, total steam conveying pipe 4, connecting tube 5, solar energy adopts hot cell array 6, it is characterized in that: solar energy is adopted solar energy in the hot cell array and is adopted hot cell and interconnected by connecting tube, and described solar energy is adopted all solar energy that are connected to of hot cell array and adopted hot cell and be in parallel.Total steam conveying pipe that solar energy is adopted the output of hot cell array connects steam turbine, the output shaft of steam turbine connects generator, the return pipe of steam turbine connects total water supply line, is serially connected with moisturizing pressurization device 7 on total water supply line and accesses solar energy again and adopt the hot cell array.It is characterized in that: described solar energy is adopted solar energy in the hot cell array, and to adopt hot cell be the vertical slot type solar energy heating of double-axis tracking unit.It is characterized in that: the vertical slot type solar energy heating of described double-axis tracking unit is by frame 10, mounting base 11, reflector carriage 12, reflector 13, heating pipe 14 consists of, frame is installed on the mounting base by horizontal rotating shaft 15, frame is driven by elevation drive 16, one support 17 is arranged, the up and down two ends of support are by the front portion of rotating shaft 18 connection frames, at the rear portion of support the reflector carriage is installed, at the reflector carriage reflector is installed, in frame heating pipe is installed, heating pipe is vertically installed, the rotating shaft of support and a corner drive actuator 19 and are connected, reflector be focused to a vertical focusing coil, heating pipe is positioned on the focusing coil of reflector.It is characterized in that: an end of heating pipe is input end, and by connecing total water supply line connecting tube, the other end of heating pipe is output terminal, by connecting total steam conveying pipe connecting tube.It is characterized in that: the horizontal rotating shaft of frame is positioned on the longitudinal center of gravity line of whole vertical slot type solar energy heating unit.The water level that solar energy is adopted the heating pipe 14 of hot cell is lower than the position of total steam pipeline.It is characterized in that: described moisturizing pressurization device is the air pressure water replenishing device, by elevated tank 20, intake pipe 21, outlet pipe 22, steam source 23 forms, the external total water supply line of intake pipe, connect elevated tank in the intake pipe, be connected to a branched pipe 24 at steam source, be serially connected with steam reversal valve 25 on the branched pipe, the terminal water vat 26 of calming the anger that connects of branched pipe, the calm the anger bottom of water vat is connected with turnover water pipe 27, turnover water pipe one end connects the elevated tank bottom by one-way valve 28, the turnover water pipe the other end connects outlet pipe by one-way valve 29, outlet pipe connects total water supply line, calming the anger, to connect the branched pipe of steam generator terminal for the top of water vat, is provided with one in the water vat of calming the anger from floating piston 30, and the bottom of the water vat of calming the anger has outlet to connect turnover water pipe.It is characterized in that: the water vat of calming the anger can have a plurality of arranged side by side.Steam source in the utility model can be a branched pipe that connects from total steam conveying pipe and be communicated to a gas tank also can have the place of steam to connect from other.
During enforcement, can be according to the longitude and latitude of locality, calculate the conduct track of the sun, then being input in the controller corner to double-axis tracking drives actuator and the elevation angle and drives actuating device and control, because vertical slot type solar energy heating of the present utility model unit is mounted in ground, can install according to array, then just can in a zone, realize the synchronous interaction of tracking, utilize a covering device to realize the synchronous interaction of a plurality of unit, to greatly save construction cost, and the horizontal rotating shaft of frame is positioned at the setting on the longitudinal center of gravity line of whole vertical slot type solar energy heating unit, can be so that the driving force of actuator reduces.And the reflector carriage is with the rotation of reflector, and the power that its totator inertia consumes will be lower than the power that the reflector of horizontal placement is raised.If therefore the heating system after a plurality of unit combination will be reduced greatly two needed electric power of following the tracks of, also improved the generating efficiency of whole system.
The two vertical slot type solar energy heating unit of following the tracks of of all axles were connected with connecting tube, and total steam conveying pipe is connected in the steam turbine, the rotation of promotion steam turbine, and the driving generator rotates generating, and then by the moisturizing pressurization device waste heat backwater that steam turbine flows out is delivered to total water supply line, form the circulation of water vapor, and the water replenishing device of employing pneumatic-typed, can greatly reduce operating electric power input, also reduced simultaneously electric water pump because the operating consumption of carrying high-temperature steam water to cause, specifically utilize the pressure of steam, pressurize from floating piston for the waste heat recycling water utilization that enters the water vat of calming the anger, then backwater is delivered to solar energy by total water supply line again after pressurized and is adopted the hot cell array and heat.After the sun rises, controller output signal, drive elevation drive and corner and drive actuator's rotation, make reflector over against the sun, make the focusing coil of reflector obtain maximum focusing thermal-energy, the water in the heating pipe be heated to 200---400 degree, change water is water vapor, the water vapor of High Temperature High Pressure is compiled by steam conveying pipe and delivers to and promotes wormwheel blade in the worm gear machine of generator set and rotate, and rotates generating thereby drive generator.

Claims (8)

1. power generation system that the vertical groove type solar of double-axis tracking is adopted the hot cell array, comprise steam turbine, generator, total water supply line, total steam conveying pipe, connecting tube, solar energy is adopted the hot cell array, it is characterized in that: solar energy is adopted solar energy in the hot cell array and is adopted hot cell and interconnected by connecting tube, total steam conveying pipe that solar energy is adopted the output of hot cell array connects steam turbine, the output shaft of steam turbine connects generator, the return pipe of steam turbine connects total water supply line, is serially connected with the moisturizing pressurization device on total water supply line and accesses solar energy again and adopt the hot cell array.
2. the power generation system of adopting the hot cell array by the vertical groove type solar of a kind of double-axis tracking claimed in claim 1 is characterized in that: the solar energy that described solar energy is adopted in the hot cell array is adopted the groove type solar heating unit that hot cell is the vertical installation of double-axis tracking.
3. the power generation system of adopting the hot cell array by the vertical groove type solar of a kind of double-axis tracking claimed in claim 1 is characterized in that: described solar energy is adopted all solar energy that are connected to of hot cell array and is adopted hot cell and be in parallel.
4. the power generation system of adopting the hot cell array by the vertical groove type solar of a kind of double-axis tracking claimed in claim 2, it is characterized in that: the vertical slot type solar energy heating of described double-axis tracking unit is by frame, mounting base, the reflector carriage, reflector, heating pipe consists of, frame is installed on the mounting base by horizontal rotating shaft, frame is driven by elevation drive, one support is arranged, the up and down two ends of support are by the front portion of rotating shaft connection frame, at the rear portion of support the reflector carriage is installed, at the reflector carriage reflector is installed, in frame heating pipe is installed, heating pipe is vertically installed, the rotating shaft of support drives actuator with a corner and is connected, reflector be focused to a vertical focusing coil, heating pipe is positioned on the focusing coil of reflector.
5. the power generation system of adopting the hot cell array by the vertical groove type solar of a kind of double-axis tracking claimed in claim 4, it is characterized in that: an end of heating pipe is input end, by connecing total water supply line connecting tube, the other end of heating pipe is output terminal, by connecting total steam conveying pipe connecting tube.
6. the power generation system of adopting the hot cell array by the vertical groove type solar of a kind of double-axis tracking claimed in claim 4 is characterized in that: the horizontal rotating shaft of frame is positioned on the longitudinal center of gravity line of whole vertical slot type solar energy heating unit.
7. the power generation system of adopting the hot cell array by the vertical groove type solar of a kind of double-axis tracking claimed in claim 1, it is characterized in that: described moisturizing pressurization device is the air pressure water replenishing device, by elevated tank, intake pipe, outlet pipe, steam source forms, the external total water supply line of intake pipe, connect elevated tank in the intake pipe, be connected to a branched pipe at steam source, be serially connected with steam reversal valve on the branched pipe, the terminal water vat of calming the anger that connects of branched pipe, the calm the anger bottom of water vat is connected with turnover water pipe, turnover water pipe one end connects the elevated tank bottom by one-way valve, the turnover water pipe the other end connects outlet pipe by one-way valve, and outlet pipe connects total water supply line, and the top of the water vat of calming the anger connects the branched pipe end of steam generator, calming the anger is provided with one in the water vat from floating piston, and the bottom of the water vat of calming the anger connects turnover water pipe by outlet.
8. the power generation system of adopting the hot cell array by the vertical groove type solar of a kind of double-axis tracking claimed in claim 7, it is characterized in that: the water vat of calming the anger is made of side by side one or more.
CN 201220356466 2012-07-23 2012-07-23 Power generation system of double-shaft tracking vertical slot type solar energy heat collection unit arrays Expired - Fee Related CN203239508U (en)

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CN 201220356466 CN203239508U (en) 2012-07-23 2012-07-23 Power generation system of double-shaft tracking vertical slot type solar energy heat collection unit arrays

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Application Number Priority Date Filing Date Title
CN 201220356466 CN203239508U (en) 2012-07-23 2012-07-23 Power generation system of double-shaft tracking vertical slot type solar energy heat collection unit arrays

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103573568A (en) * 2012-07-23 2014-02-12 上海亚续电子科技有限公司 Power generation system of dual-axis tracking vertical trough type solar heat collecting unit array

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103573568A (en) * 2012-07-23 2014-02-12 上海亚续电子科技有限公司 Power generation system of dual-axis tracking vertical trough type solar heat collecting unit array

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20131016

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CF01 Termination of patent right due to non-payment of annual fee