CN102953947A - Solar power system - Google Patents
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- CN102953947A CN102953947A CN2011102350129A CN201110235012A CN102953947A CN 102953947 A CN102953947 A CN 102953947A CN 2011102350129 A CN2011102350129 A CN 2011102350129A CN 201110235012 A CN201110235012 A CN 201110235012A CN 102953947 A CN102953947 A CN 102953947A
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- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 claims description 57
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- 238000010792 warming Methods 0.000 claims description 16
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- 239000010949 copper Substances 0.000 claims description 13
- 229910052802 copper Inorganic materials 0.000 claims description 13
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Images
Classifications
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/20—Solar thermal
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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
- Y02E10/44—Heat exchange systems
-
- 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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- Engine Equipment That Uses Special Cycles (AREA)
Abstract
The invention relates to the field of solar power generation, in particular to a solar power system which comprises a solar energy collection area, a U-shaped tubular evaporator, a steam turbine, a power generator and a heat-transfer oil work chamber. The solar energy collection area comprises a low-temperature collection area and a high-temperature collection area which are communicated with each other via a main oil pipe, the high-temperature collection area is communicated with the U-shaped tubular evaporator via a pipeline, the top of the U-shaped tubular evaporator is communicated with a main steam valve of the steam turbine via a pipeline, an output shaft of the steam turbine is connected with the power generator, and the heat-transfer oil work chamber is communicated with the low-temperature collection area via a pipeline. The solar power system can be widely applied to various buildings, is high in conversion ratio and low in manufacturing cost, and is free of environmental pollution, and solar energy can be effectively converted into electric energy.
Description
Technical field
The present invention relates to field of solar thermal power generation, particularly relate to a kind of solar power system.
Background technique
Solar energy is exactly solar radiant energy.At solar interior, all carrying out the sharp nuclear fission of splitting and nuclear fusion reaction all the time, thereby producing a large amount of heat.The temperature on sun surface reaches about 6000 ℃, and inside temperature is up to millions of degree.Because the temperature of the sun is very high, it constantly to the cosmic space radiation energy, comprises visible light, and invisible light and various particulate are generically and collectively referred to as solar radiation.Be radiated at tellurian solar energy very huge, be radiated at tellurian solar energy in about 40 minutes, just be enough to the consumption for 1 year energy of global human.And solar energy is available anywhere, and needn't carry at a distance, and can not produce the pollutions such as waste water,waste gas and industrial residue, also can not produce such as environmental issues such as greenhouse gases, can say, solar energy is the new energy of really inexhaustible, nexhaustible clean environment firendly.Therefore, how utilizing solar energy is one of important development trend of following clean energy resource, and utilizes the especially important way of solar energy utilization of solar electrical energy generation.
At present, the solar energy generating is to utilize solar cell that solar energy directly is converted to electric energy.Solar cell is made by single crystal silicon or amorphous silicon membrane, and conversion efficiency mostly is 10% one 17% most, and its conversion ratio is lower, and fabricating cost is higher, can't large size implement.China does not grasp the key technology of Manufacture Order crystal silicon or amorphous silicon membrane at present, and when producing, produce take material, be a kind of poisonous material, can cause severe contamination to environment.Because the cost of this kind material recycling is expensive, most companies that produce the photovoltaic cell solar panels all are unkitted if relevant recovery plant is installed fully, severe contamination environment.
Summary of the invention
For solving the problems of the technologies described above, the invention provides the solar power system that a kind of transformation efficiency is high, free from environmental pollution, fabricating cost is low.
Solar power system of the present invention, comprise solar energy acquisition district, U-shaped pipe evaporator, steam turbine, generator and conduction oil work box, described solar energy acquisition district comprises low temperature acquisition zone and high temperature acquisition zone, described low temperature acquisition zone and high temperature acquisition zone are communicated with by main oil pipe, described high temperature acquisition zone is communicated with U-shaped pipe evaporator by pipeline, the top of described U-shaped pipe evaporator is communicated with the main air valve of steam turbine by pipeline, the output shaft of described steam turbine is connected with generator, and described conduction oil work box is communicated with the low temperature acquisition zone by pipeline.
Further, described low temperature acquisition zone comprises at least one low temperature collection plate, described low temperature collection plate comprises hollow outer frame, high light penetration glass, heat absorption plate and warming plate, described high light penetration glass is connected with described hollow outer frame vertical seal, described heat absorption plate is located at the below of high light penetration glass, and be connected with the hollow outer frame vertical seal, described warming plate fits in the bottom surface of heat absorption plate;
Described high temperature acquisition zone comprises at least one high temperature collection plate, described high temperature collection plate comprises hollow outer frame, with high light penetration glass, heat absorption plate and the warming plate of short focal length convex lens, described high light penetration glass with short focal length convex lens is connected with described hollow outer frame vertical seal, described heat absorption plate is located at the below with the high light penetration glass of short focal length convex lens, and be connected with the hollow outer frame vertical seal, described warming plate fits in the bottom surface of heat absorption plate.
Further, be provided with automatic control pressure vent between described high light penetration glass and the heat absorption plate.
Further, the faying surface of described warming plate and heat absorption plate is pasted with reflecting coating.
Further, be provided with cross-over block between described high light penetration glass and the heat absorption plate.
Further, described heat absorption plate comprises shell and hot core, and described hot core is located in the described shell, and described hot in-core is provided with at least one copper pipe.
Further, also comprise condenser, the suction port of described condenser is communicated with the air outlet of described steam turbine by pipeline, the working solution outlet of condenser bottom is communicated with working solution entrance on the U-shaped pipe evaporator by pipeline, the inside of condenser is provided with cooling tube, described cooling tube alternately is located in the condenser from top to bottom, and the top of cooling tube is provided with hot water outlet, and the bottom of cooling tube is provided with the cold water water supplement port.
Further, be provided with pressurize chamber and vaporization chamber in the described U-shaped pipe evaporator, described pressurize chamber and vaporization chamber are separated by by the gas-liquid separation net, be provided with U-shaped pipe heat conduction device in the described vaporization chamber, the entrance of described U-shaped pipe heat conduction device is communicated with the high temperature acquisition zone by pipeline, the liquid outlet of U-shaped pipe heat conduction device is communicated with the low temperature acquisition zone by pipeline, is full of the dichloromethane working medium around U-shaped pipe heat conduction device.
Further, the pipeline between described U-shaped pipe evaporator and high temperature acquisition zone is provided with concurrent heating boiler and voltage stabilizer.
Further, also comprise the dichloromethane working liquid container, described dichloromethane working liquid container is communicated with U-shaped pipe evaporator by pipeline.
Compared with prior art beneficial effect of the present invention is: solar power system of the present invention, can be widely used on the various buildings, and conversion ratio is high, and fabricating cost is low, and is free from environmental pollution, can effectively solar energy be converted to electric energy.
Description of drawings
Fig. 1 is flow chart of the present invention;
Fig. 2 is the sectional view of low temperature collection plate;
Fig. 3 is the sectional view of high temperature collection plate.
Embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following examples are used for explanation the present invention, but are not used for limiting the scope of the invention.
Such as Fig. 1, Fig. 2 and shown in Figure 3, a kind of solar power system, comprise solar energy acquisition district 1, concurrent heating boiler 4, voltage stabilizer 5, U-shaped pipe evaporator 6, steam turbine 7, gearbox 8, generator 9, condenser 10, dichloromethane working liquid container 11 and conduction oil work box 12, solar energy acquisition district 1 comprises low temperature acquisition zone 2 and high temperature acquisition zone 3, low temperature acquisition zone 2 and high temperature acquisition zone 3 are communicated with by main oil pipe 42, one side of high temperature acquisition zone 3 is communicated with by the liquid entering hole of pipeline with U-shaped pipe evaporator 6 bottoms, on the pipeline between U-shaped pipe evaporator 6 and the high temperature acquisition zone 3, concurrent heating boiler 4 is installed successively, voltage stabilizer 5 and the first Heat-transfer Oil Pump 15, the relief opening 17 at U-shaped pipe evaporator 6 tops is communicated with the main air valve 16 of steam turbine 7 by pipeline, be provided with pressure controlled valve 18 at relief opening 17, the output shaft of steam turbine 7 is connected with gearbox 8, gearbox 8 is connected with generator 9, dichloromethane working liquid container 11 is communicated with U-shaped pipe evaporator 6 by pipeline, pipeline between dichloromethane working liquid container 11 and U-shaped pipe evaporator 6 is provided with working solution recycle pump 14, conduction oil work box 12 is communicated with low temperature acquisition zone 2 by pipeline, and the pipeline between conduction oil work box 12 and low temperature acquisition zone 2 is provided with the second Heat-transfer Oil Pump 13.
Low temperature acquisition zone 2 comprises 40 low temperature collection plates 21, low temperature collection plate 21 comprises hollow outer frame 211, high light penetration glass 212, heat absorption plate 213 and warming plate 214, wherein: hollow outer frame 211 is made of aluminium alloy extrusions, the inside of hollow outer frame 211 is hollow structure, high light penetration glass 212 vertically is bonded in the top of hollow outer frame 211, be sealedly attached to hollow outer frame 211, the below that heat absorption plate 213 is located at high light penetration glass 212 is vertically connected at hollow outer frame 211, joint in heat absorption plate 213 and hollow outer frame 211 is provided with sealing joint strip 215, with the sealing that guarantees that heat absorption plate 213 is connected with hollow outer frame 211, be provided with cross-over block 216 between high light penetration glass 212 and the heat absorption plate 213, for reducing as much as possible the heat loss of heat absorption plate 213, between high light penetration glass 212 and heat absorption plate 213, be provided with automatic control pressure vent 216, the principle that utilization is expanded with heat and contract with cold, make the interior partial vacuum that forms of cavity of heat absorption plate 213, heat loss when reducing without solar radiation, warming plate 214 fits in the bottom surface of heat absorption plate 213, warming plate 214 is pasted with reflecting coating 217 with the faying surface of heat absorption plate 213, can reduce scattering and disappearing of heat.Heat absorption plate 213 comprises shell 218 and hot core 219, the shell 218 of heat absorption plate 213 is formed by the compacting of 1.0mm aluminium alloy plate, hot core 219 is located in the shell, be provided with seven for the copper pipe 220 of conduction oil circulation in the inside of hot core 219, hot core 219 is to be pulverized the aluminium bits form and imbedded copper pipe 220 in the aluminium bits and lead compressed with adhesive through high temperature resistant height and form by industrial waste alumina, pack into the sunny slope that fits in shell 218 in the shell 218 of hot core 219 can be processed into the dark color of high-absorbility, and concrete color can be set up according to the color of architectural complex.
High temperature acquisition zone 3 comprises five high temperature collection plates 31, high temperature collection plate 31 comprises hollow outer frame 311, high light penetration glass 312 with short focal length convex lens, heat absorption plate 313 and warming plate 314, wherein: hollow outer frame 311 is made of aluminium alloy extrusions, the inside of hollow outer frame 311 is hollow structure, vertically be bonded in the top of hollow outer frame 311 with the high light penetration glass 312 of short focal length convex lens, be sealedly attached to hollow outer frame 311, heat absorption plate 313 is located at the focal position with high light penetration glass 312 belows of short focal length convex lens, heat absorption plate 313 is vertically connected at hollow outer frame 311, joint in heat absorption plate 313 and hollow outer frame 311 is provided with sealing joint strip 315, with the sealing that guarantees that heat absorption plate 313 is connected with hollow outer frame 311, with being provided with cross-over block 316 between the high light penetration glass 312 of short focal length convex lens and the heat absorption plate 313, for reducing as much as possible the heat loss of heat absorption plate 313, between high light penetration glass 312 and heat absorption plate 313, be provided with automatic control pressure vent 316, the principle that utilization is expanded with heat and contract with cold, make and form the partial vacuum in the cavity of heat absorption plate 313, the heat loss when reducing without solar radiation; Warming plate 314 fits in the bottom surface of heat absorption plate 313, and warming plate 314 is pasted with reflecting coating 317 with the faying surface of heat absorption plate 313, can reduce scattering and disappearing of heat.Heat absorption plate 313 comprises shell 318 and hot core 319, the shell 318 of heat absorption plate 313 is formed by the compacting of 1.0mm aluminium alloy plate, hot core 319 is located in the shell, be provided with seven for the copper pipe 320 of conduction oil circulation in the inside of hot core 319, hot core 319 is to be pulverized the aluminium bits form and imbedded copper pipe 320 in the aluminium bits and lead compressed with adhesive through high temperature resistant height and form by industrial waste alumina, pack into the sunny slope that fits in shell 318 in the shell 318 of hot core 319 can be processed into the dark color of high-absorbility, and concrete color can be set up according to the color of architectural complex.
In actual use, low temperature collection plate 21 uses as the outer waistcloth dress of building sunny slope, its quantity is decided according to the area of building, import high temperature heat conductive oil in the copper pipe 220 in low temperature collection plate 21, by copper pipe 220 from bottom to top in low temperature acquisition zone 2 string rise, enter high temperature acquisition zone 3, the oil temperature in the copper pipe 220 of low temperature collection plate 21 remains on 80 ℃ (± 5 ℃) usually 8 hours period at sunshine, and the control of oil temperature realizes with the flow of regulating conduction oil.High temperature acquisition zone 3 is by photoelectric control, 9 swings at two-dimensional space along with the movement of the sun up to 3 times of afternoon in the morning, swings the period according to setting season, makes sunlight all the time to high temperature acquisition zone vertical irradiation.The high temperature acquisition zone 3 general 4-6 piece high temperature collection plates 31 that adopt are combined as one group, and the area of every high temperature collection plate 31 is generally 1.2m
2, by experiment, high temperature acquisition zone 3 in the situation that sunshine abundance, the temperature of focal position can reach about 460 ℃.
Above-mentioned said photoelectric control is mounted in two stepper motors on the support of high temperature acquisition zone 3, and it controls respectively the elevation angle and the left-right rotation of high temperature collection plate, and stepper motor is by the worm wheel gearbox transmission, and the rotation of motor is controlled by light-operated switch.When light-operated switch is in off state during at direct sunlight, motor stops operating immediately.When sunlight deflected the amount of deflection that reaches certain, light-operated switch was in closed state, and motor rotates, and about carrying out or the levelling at the elevation angle, until sunlight is vertical with the high temperature collection plate, light-operated switch is in again off state.The sense of rotation of high temperature collection plate according to sunshine movement law can preset.
Be provided with pressurize chamber 66 and vaporization chamber 63 in the U-shaped pipe evaporator 6, separate by gas-liquid separation net 65 between pressurize chamber 66 and the vaporization chamber 63, vaporization chamber 63 inside are provided with U-shaped pipe heat conduction device 61, U-shaped pipe heat conduction device 61 is combined by many U-shaped pipes, the entrance 62 of U-shaped pipe heat conduction device 61 is communicated with high temperature acquisition zone 3 by pipeline, the liquid outlet 64 of U-shaped pipe heat conduction device 61 is communicated with low temperature acquisition zone 2 by pipeline, around U-shaped pipe heat conduction device 61, be full of the working medium dichloromethane, its solidifying point of dichloromethane is-95 ℃, 39.75 ℃ of boiling points.In following its stable performance of 450 degree, it decomposes generation phosgene when spending when reaching 450.During work, conduction oil working solution in the copper pipe 311 in the high temperature collection plate 31 enters in the U-shaped pipe heat conduction device 61 through the entrance 62 of U-shaped pipe heat conduction device 61, then discharge from the liquid outlet 64 of U-shaped pipe heat conduction device 61, the pipeline through being communicated with low temperature acquisition zone 2 flows back in the interior copper pipe 220 of low temperature collection plate 21 and reuses.Because the conduction oil temperature of the copper pipe 311 interior outflows in the high temperature acquisition zone 3 is about 160 ℃, high temperature heat conductive oil is interior when mobile at U-shaped pipe heat conduction device 61, the gasification of being heated of working medium dichloromethane in the U-shaped pipe evaporator 6, gas is discharged from the relief opening 17 at 66 tops, pressurize chamber, the pressure of guaranteeing the dichloromethane steam of discharging is not less than 0.8Mpa, main air valve 16 from steam turbine 7 enters in the steam turbine 7 by the road, so that steam turbine 7 is started working, steam turbine 7 drives generator 9 and begins generating by after gearbox 8 speed governing.
Steam turbine in the present embodiment adopts TL1 type low-temp low-pressure steam turbine 7, and its normal working pressure is 0.5-0.8Mpa, and type will be selected with load.
The effect of concurrent heating boiler 4 long-term all the time according to during or guarantee that solar power system normally moves sunshine during the long-term deficiency.
Voltage stabilizer 5 is comprised of surge tank and instrument, and it can be regulated and the temperature of stable high temperature heat conductive oil, avoids unnecessary evaporation.
Conduction oil working liquid container 12 is used for the conduction oil in the copper pipe 220 in the low temperature collection plate 21 is replenished.
Dichloromethane working liquid container 11 is used for dichloromethane 63 working solutions in the U-shaped pipe evaporator 6 are replenished.
The above only is preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the technology of the present invention principle; can also make some improvement and modification, these improve and modification also should be considered as protection scope of the present invention.
Claims (10)
1. solar power system, it is characterized in that: comprise solar energy acquisition district, U-shaped pipe evaporator, steam turbine, generator and conduction oil work box, described solar energy acquisition district comprises low temperature acquisition zone and high temperature acquisition zone, described low temperature acquisition zone and high temperature acquisition zone are communicated with by main oil pipe, described high temperature acquisition zone is communicated with U-shaped pipe evaporator by pipeline, the top of described U-shaped pipe evaporator is communicated with the main air valve of steam turbine by pipeline, the output shaft of described steam turbine is connected with generator, and described conduction oil work box is communicated with the low temperature acquisition zone by pipeline.
2. solar power system as claimed in claim 1, it is characterized in that: described low temperature acquisition zone comprises at least one low temperature collection plate, described low temperature collection plate comprises hollow outer frame, high light penetration glass, heat absorption plate and warming plate, described high light penetration glass is connected with described hollow outer frame vertical seal, described heat absorption plate is located at the below of high light penetration glass, and be connected with the hollow outer frame vertical seal, described warming plate fits in the bottom surface of heat absorption plate;
Described high temperature acquisition zone comprises at least one high temperature collection plate, described high temperature collection plate comprises hollow outer frame, with high light penetration glass, heat absorption plate and the warming plate of short focal length convex lens, described high light penetration glass with short focal length convex lens is connected with described hollow outer frame vertical seal, described heat absorption plate is located at the below with the high light penetration glass of short focal length convex lens, and be connected with the hollow outer frame vertical seal, described warming plate fits in the bottom surface of heat absorption plate.
3. solar power system as claimed in claim 2 is characterized in that: be provided with automatic control pressure vent between described high light penetration glass and the heat absorption plate.
4. solar power system as claimed in claim 3, it is characterized in that: the faying surface of described warming plate and heat absorption plate is pasted with reflecting coating.
5. solar power system as claimed in claim 4 is characterized in that: be provided with cross-over block between described high light penetration glass and the heat absorption plate.
6. solar power system as claimed in claim 2, it is characterized in that: described heat absorption plate comprises shell and hot core, and described hot core is located in the described shell, and described hot in-core is provided with at least one copper pipe.
7. solar power system as claimed in claim 1, it is characterized in that: also comprise condenser, the suction port of described condenser is communicated with the air outlet of described steam turbine by pipeline, the working solution outlet of condenser bottom is communicated with working solution entrance on the U-shaped pipe evaporator by pipeline, the inside of condenser is provided with cooling tube, described cooling tube alternately is located in the condenser from top to bottom, and the top of cooling tube is provided with hot water outlet, and the bottom of cooling tube is provided with the cold water water supplement port.
8. solar power system as claimed in claim 7, it is characterized in that: be provided with pressurize chamber and vaporization chamber in the described U-shaped pipe evaporator, described pressurize chamber and vaporization chamber are separated by by the gas-liquid separation net, be provided with U-shaped pipe heat conduction device in the described vaporization chamber, the entrance of described U-shaped pipe heat conduction device is communicated with the high temperature acquisition zone by pipeline, the liquid outlet of U-shaped pipe heat conduction device is communicated with the low temperature acquisition zone by pipeline, is full of the dichloromethane working medium around U-shaped pipe heat conduction device.
9. solar power system as claimed in claim 1, it is characterized in that: the pipeline between described U-shaped pipe evaporator and high temperature acquisition zone is provided with concurrent heating boiler and voltage stabilizer.
10. such as the described solar power system of any one among the claim 1-9, it is characterized in that: also comprise the dichloromethane working liquid container, described dichloromethane working liquid container is communicated with U-shaped pipe evaporator by pipeline.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011102350129A CN102953947A (en) | 2011-08-17 | 2011-08-17 | Solar power system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011102350129A CN102953947A (en) | 2011-08-17 | 2011-08-17 | Solar power system |
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| CN102953947A true CN102953947A (en) | 2013-03-06 |
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| CN201828044U (en) * | 2010-10-22 | 2011-05-11 | 李新远 | Folding type vacuum heat-preservation solar energy collection panel |
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| US20080029150A1 (en) * | 2006-08-04 | 2008-02-07 | Solucar, Investigacion y Desarrollo, (Solucar R & D), S.A. | Solar concentrator plant |
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| WO2010149614A2 (en) * | 2009-06-26 | 2010-12-29 | Siemens Aktiengesellschaft | Run-up method for a solar steam power plant |
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