CN103306919B - Solar groove type heat build-up electricity generation system - Google Patents

Solar groove type heat build-up electricity generation system Download PDF

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Publication number
CN103306919B
CN103306919B CN201310222908.2A CN201310222908A CN103306919B CN 103306919 B CN103306919 B CN 103306919B CN 201310222908 A CN201310222908 A CN 201310222908A CN 103306919 B CN103306919 B CN 103306919B
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China
Prior art keywords
solar
steam
pipeline
accumulator
oxygen
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Expired - Fee Related
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CN201310222908.2A
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Chinese (zh)
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CN103306919A (en
Inventor
张成龙
程学忠
杨以广
洪汉武
王千
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GUODIAN QINGSONG TURPAN NEW ENERGY Co Ltd
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GUODIAN QINGSONG TURPAN NEW ENERGY Co Ltd
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Publication of CN103306919A publication Critical patent/CN103306919A/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
    • Y02E10/44Heat exchange systems
    • 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
    • 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
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P80/00Climate change mitigation technologies for sector-wide applications
    • Y02P80/10Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
    • Y02P80/15On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply
    • 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
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/50Energy storage in industry with an added climate change mitigation effect

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Abstract

The invention discloses a kind of solar groove type heat build-up electricity generation system, comprise solar array, tracking means, controller, accumulator, oxygen-eliminating device, steam-water separator, superheater and cyclic steam TRT, described solar array comprises parabolic trough investigation on several focus reflectors, parabolic trough metallic support and the high-temperature solar thermal-collecting tube for collecting flute profile parabolic concentrator reflector reflects solar energy, and described parabolic trough investigation on several focus reflectors is packed on parabolic trough metallic support.By accumulator and superheater, make storage temporary transient for steam superfluous in solar light-heat power-generation, thus avoid the waste of the energy, reach the object improving Solar use efficiency.

Description

Solar groove type heat build-up electricity generation system
Technical field
The present invention relates to field of solar thermal power generation, particularly, relate to a kind of solar groove type heat build-up electricity generation system.
Background technology
At present, problem along with environmental pollution becomes one of subject matter of puzzlement social development, various clean energy resource is widely used, and solar energy is paid attention to environment and the less advantage of ecology influence widely because of it, but it is comparatively large to there is heat waste in existing electricity generation system, the defect that capacity usage ratio is lower.
Summary of the invention
The object of the invention is to, for the problems referred to above, propose a kind of solar groove type heat build-up electricity generation system, to realize the advantage improving Solar use efficiency.
For achieving the above object, the technical solution used in the present invention is:
A kind of solar groove type heat build-up electricity generation system, comprise solar array, tracking means, controller, accumulator, oxygen-eliminating device, steam-water separator, superheater and cyclic steam TRT, described solar array comprises parabolic trough investigation on several focus reflectors, parabolic trough metallic support and the high-temperature solar thermal-collecting tube for collecting flute profile parabolic concentrator reflector reflects solar energy, described parabolic trough investigation on several focus reflectors is packed on parabolic trough metallic support, the delivery outlet of described high-temperature solar thermal-collecting tube is connected to the input port of accumulator by pipeline, the delivery outlet of described accumulator is connected to the input port of high-temperature solar thermal-collecting tube by pipeline, the delivery outlet of described accumulator is connected to the input port of superheater by pipeline, the delivery outlet of described superheater is connected to the input port of steam-water separator by pipeline, the delivery outlet of described steam-water separator is connected to the air inlet of cyclic steam TRT by pipeline, the delivery outlet of described cyclic steam TRT is connected to oxygen-eliminating device input port by pipeline, the delivery outlet of described oxygen-eliminating device is connected to the input port of accumulator by pipeline, pipeline between described oxygen-eliminating device and accumulator is set to water pump, the delivery outlet of described high-temperature solar thermal-collecting tube is connected on superheater by pipeline, the input port of described superheater is connected to the input port of accumulator by pipeline, described tracking means is packed on parabolic trough metallic support, this tracking means and controller electrical connection.
Further, the steam that described solar array produces enters into above-mentioned accumulator, then after above-mentioned steam-water separator, enter into the main inlet throttle-stop valve of back pressure turbine of cyclic steam TRT, and the isolated water of described steam-water separator gets back to above-mentioned oxygen-eliminating device.
Further, arrange two-way pipeline between the delivery outlet of described cyclic steam TRT and the input port of oxygen-eliminating device, a road pipeline is connected directly between on the input port of oxygen-eliminating device, another road pipeline is arranged low level subsidiary water tank, carbonated drink silencing heater and condensate pump.
Further, back pressure steam discharge one road that back pressure turbine in described cyclic steam TRT is discharged is used to oxygen-eliminating device deoxygenation, unnecessary back pressure steam discharge enters into above-mentioned low level subsidiary water tank heating demineralized water, when the demineralized water water temperature of subsidiary water tank is greater than 80 DEG C, unnecessary back pressure steam discharge enters carbonated drink silencing heater, and the water of low level subsidiary water tank and the cooling of carbonated drink silencing heater enters oxygen-eliminating device by condensate pump.
Further, described parabolic trough investigation on several focus reflectors adopts two kinds of focusing mirror, be respectively A face focusing mirror and B face focusing mirror, described A face focusing mirror and B face focusing mirror include mirror surface, PVB film and set off three layers, glass, and described PVB film is at mirror surface and set off between glass.
Further, the thickness of the mirror surface of described A face focusing mirror is 3mm, the arc length of this mirror surface is 1524mm, the chord length of this mirror surface is 1514mm, the thickness of described PVB film is 0.76mm, the described thickness setting off glass is 3mm, and the width of described A face focusing mirror is 1330mm.
Further, the thickness of the mirror surface of described B face focusing mirror is 3mm, the arc length of this mirror surface is 1654mm, the chord length of this mirror surface is 1649mm, the thickness of described PVB film is 0.76mm, the described thickness setting off glass is 3mm, and the width of described B face focusing mirror is 1330mm.
Further, the sensor profile in described tracking means is "T"-shaped in being inverted, and two ends, bottom respectively arrange photodiode.
Further, described controller adopts the PLC of 3 groups of S7-200CN models.
Technical scheme of the present invention has following beneficial effect:
Technical scheme of the present invention, by accumulator and superheater, makes storage temporary transient for steam superfluous in solar light-heat power-generation, thus avoids the waste of the energy, reach the object improving Solar use efficiency.Make the contact area of Salar light-gathering reflector and the sun maximum at installation tracking means and controller in addition, thus improve the efficiency of collecting solar energy.And carbonated drink silencing heater is set at the outlet of cyclic steam TRT, unnecessary steam is used for heating indoor, further adds the efficiency of energy.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Accompanying drawing explanation
Fig. 1 is the structural representation of the solar groove type heat build-up electricity generation system described in the embodiment of the present invention;
Fig. 2 is the structural representation of heat collection unit in solar array;
Fig. 3 a is the structural representation of A face focusing mirror;
Fig. 3 b is the structural representation of B face focusing mirror;
By reference to the accompanying drawings, in the embodiment of the present invention, Reference numeral is as follows:
101-solar array; 102-oil circulating pump; 103-accumulator; 104-superheater; 105-steam-water separator; The main vapour of 106-; 107-oxygen-eliminating device; 108-steam turbine; 109-generator; 110-feed pump; 111-condensate pump; 201-column; 202-crossbeam; The 203-group wing; The movable muscle of 204-; Collector tube holder in the middle of 205-; 206-end collector tube holder; 207-bearing; 208-turbine and worm; 209-thermal-collecting tube; 210-motor; 213-regulates bearing; 214-hanger; 216-support; 217-macro-axis; 301-mirror surface; 302-PVB film; 303-sets off glass.
Detailed description of the invention
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein is only for instruction and explanation of the present invention, is not intended to limit the present invention.
As shown in Figure 1, a kind of solar groove type heat build-up electricity generation system, comprise solar array 101, tracking means, controller, accumulator 103, oxygen-eliminating device 107, steam-water separator 105, superheater 104 and cyclic steam TRT, solar array 101 comprises parabolic trough investigation on several focus reflectors, 201 parabolic trough metallic supports and the high-temperature solar thermal-collecting tube for collecting flute profile parabolic concentrator reflector reflects solar energy, parabolic trough investigation on several focus reflectors is packed on parabolic trough metallic support, the delivery outlet of high-temperature solar thermal-collecting tube is connected to the input port of accumulator 103 by pipeline, the delivery outlet of accumulator 103 is connected to the input port of high-temperature solar thermal-collecting tube by pipeline, the delivery outlet of accumulator 103 is connected to the input port of superheater 104 by pipeline, the delivery outlet of superheater 104 is connected to the input port of steam-water separator 105 by pipeline, the delivery outlet of steam-water separator 105 is connected to the air inlet of cyclic steam TRT by pipeline, the delivery outlet of cyclic steam TRT is connected to oxygen-eliminating device 107 input port by pipeline, the delivery outlet of oxygen-eliminating device 107 is connected to the input port of accumulator 103 by pipeline, pipeline between oxygen-eliminating device 107 and accumulator 103 is set to water pump 110, the delivery outlet of high-temperature solar thermal-collecting tube is connected on superheater 104 by pipeline, the input port of superheater 104 is connected to the input port of accumulator 103 by pipeline, tracking means is packed on parabolic trough metallic support, this tracking means and controller electrical connection.
Wherein, the steam that solar array 101 produces enters into above-mentioned accumulator, then after above-mentioned steam-water separator, enter into the main inlet throttle-stop valve of back pressure turbine 108 of cyclic steam TRT, and the isolated water of steam-water separator gets back to above-mentioned oxygen-eliminating device.Arrange two-way pipeline between the delivery outlet of cyclic steam TRT and the input port of oxygen-eliminating device, a road pipeline is connected directly between on the input port of oxygen-eliminating device, another road pipeline is arranged low level subsidiary water tank, carbonated drink silencing heater and condensate pump.Back pressure steam discharge one road that back pressure turbine in cyclic steam TRT is discharged is used to oxygen-eliminating device deoxygenation, unnecessary back pressure steam discharge enters into above-mentioned low level subsidiary water tank heating demineralized water, when the demineralized water water temperature of subsidiary water tank is greater than 80 DEG C, unnecessary back pressure steam discharge enters carbonated drink silencing heater, the water of low level subsidiary water tank and the cooling of carbonated drink silencing heater is by condensate pump, and 111 enter oxygen-eliminating device.Connection all parts arranges main vapour 0.6, parabolic trough investigation on several focus reflectors adopts two kinds of focusing mirror, be respectively A face focusing mirror and B face focusing mirror, described A face focusing mirror and B face focusing mirror include mirror surface, PVB film and set off three layers, glass, and described PVB film is at mirror surface and set off between glass.The thickness of the mirror surface of A face focusing mirror is 3mm, and the arc length of this mirror surface is 1524mm, and the chord length of this mirror surface is the thickness of 1514mm, PVB film is 0.76mm, and the thickness setting off glass is the width of 3mm, A face focusing mirror is 1330mm.The thickness of the mirror surface of B face focusing mirror is 3mm, and the arc length of this mirror surface is 1654mm, and the chord length of this mirror surface is the thickness of 1649mm, PVB film is 0.76mm, and the thickness setting off glass is the width of 3mm, B face focusing mirror is 1330mm.Sensor profile in tracking means is "T"-shaped in being inverted, and two ends, bottom respectively arrange photodiode.Controller adopts the PLC of 3 groups of S7-200CN models.
As shown in Figure 3 a, A face focusing mirror design parameter is as follows: arc length 1524 ± 1mm, wide 1330 ± 1mm, chord length 1514 ± 2mm, thickness 2 × 3+0.76 ± 0.5mmm;
As shown in Figure 3 b, B face focusing mirror design parameter is as follows: arc length 1654 ± 1mm, wide 1330 ± 1mm, chord length 1649 ± 2mm, thickness 2 × 3+0.76 ± 0.5mmm.
Reflective mirror adopts reflector layer of aluminizing, reflecting rate >=90%, monolithic reflective mirror focal line width≤10mm, flexibility≤2mm in all minute surfaces; Should become a light belt, light belt width≤30mm, application error+15% after reflective mirror static state composition parabola, edge should be clear, scattered light≤5%, light belt flexibility≤5mm.
Mirror construction technical requirement: specular material adopts 3mm thick automotive grade white float glass, light transmittance >=90%; Minute surface spot size≤5mm, m2≤2.
Parabolic trough metallic support is as shown in Figure 2: whole heat collection unit is made up of column, crossbeam, single pack support, collector tube holder, bearing, turbine assembly, motor, thermal-collecting tube; For column welding requirements, perpendicularity deviation is allowed to be ± 10mm, column and column spacing tolerance are ± 5mm, bottom reinforcement connection is full weld, and weld bead height is 8mm stem height 2400mm, large beam length 8400mm, collector tube holder height 1575mm, carrier openings width 5995mm.
High-temperature solar thermal-collecting tube design parameter is as follows:
1. vacuum: 2 × 10-4Pa, 2. absorptivity: 92 ~ 94%, 3. emissivity: 0.11, 4. thermal-collecting tube operating temperature: 300 DEG C ~ 400 DEG C, 5. operating pressure: 3MPa, 6. service life: 10 years, 7. day there is to obtain heat: 9MJ/m2, 8. glass tube light transmittance: > 90%, 9. delivery temperature: 420 DEG C, 10. temperature retention time: > 10 hours, 11. glass tube external diameter: Φ 130mm × 3.0mm (wall thickness), 12. effective lighting surface: 4m, 13. metal inner pipe external diameter: Φ 70mm × 3.0mm (wall thickness), 14. inner metal tube length: 4200mm, 15. thermal-collecting tube deadweight: 20Kg.
Sensor in tracking means:
Sensor adopts shading method principle to follow the tracks of the sun, and sensor profile is "T"-shaped in being inverted, and respectively there is 1 photodiode at two ends, bottom.When sensor placement direction is consistent with sunshine, when two ends are all by solar radiation (intensity is enough), conducting.When inconsistent, when exceeding to a certain degree, one end diode is unglazed photograph, the shutoff of this diode.Sensor " closes, breaks " signal passes to controller PLC, and PLC adjusts motor rotation automatically according to built-in command, thus realizes from motion tracking.
Controller
Controller is controller units by the CPU224CN module of 3 groups of S7-200CNPLC, PLC, comprises the input of 14 24VDC numerals and 10 relays outputs.CPU is embedded in and calculates the astronomical formula of solar energy relative to earth running speed, according to the instruction that CPU sends, controls motor and " opens, stops ", adjust concentrator position, realize real-time tracking by executing agency.CPU passes signal back according to sensor, adjusts, thus realizes precision controlling.
The steam turbine that cyclic steam TRT adopts is back pressure type, and rated steam inlet parameter is 1.0MPa, 280 DEG C.For simplifying pilot-plant, the main steam of steam generating system and feedwater piping all adopt single piping-main scheme.External running water enters raw water box, after raw water pump pressurization, be sent to first-stage reverse osmosis device, except getting back to two low level subsidiary water tank after Ficus caricaL.Demineralized water and the unnecessary steam discharge of back pressure turbine are pumped to oxygen-eliminating device deoxygenation by deaerated water after the mixing of low level subsidiary water tank.Oxygen-eliminating device adopts thermal spraying formula, to ensure the deaerating effect when inflow temperature fluctuates.Feedwater after deoxygenation sends solar array by feed pump to through feed main.
Main steam system: the steam that solar thermal collector array produces enters into accumulator, then enters into back pressure turbine main inlet throttle-stop valve after steam-water separator, the isolated water of steam-water separator is got back to thermal deaerator and is utilized.During every apocalypse machine or the steam parameter that in running, steam-water separator is separated when not reaching the requirement of steam-turbine steam inlet condition, then steam delivers to thermal deaerator or low level subsidiary water tank.
High-low pressure water supply system: high-low pressure water supply system adopts single piping-main scheme; The electrically driven feed pump (operation one is for subsequent use) of two 100% capacity and the make-up pump (operation one is for subsequent use) of two 100% capacity are set.
Turbine back pressure exhauster system: turbine back pressure steam discharge one road is to oxygen-eliminating device deoxygenation use, and unnecessary steam discharge enters into low level subsidiary water tank heating demineralized water, and when the demineralized water water temperature of subsidiary water tank is greater than 80 DEG C, unnecessary back pressure steam discharge enters air.Winter, back pressure steam discharge had a road for factory building heating.Ten immersion carbonated drink silencing heaters are selected in design, to reduce noise and the vibration of water tank, improve the utilization rate of steam.
Heat collector control system: solar energy heating control system adopt DCS and PLC combine control mode, can realize long-range/control on the spot.Thermal conduction portions adopts conduction oil as heat carrier, and circulatory system adopts high-temperature hot oil pump forced circulation, and secondary heat exchanger is arranged in accumulator apparatus, is divided into two-layer up and down, and four groups can running of pumps in series parallel connection, and indirect steam outlet adds high temperature superheater.
Last it is noted that the foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, although with reference to previous embodiment to invention has been detailed description, for a person skilled in the art, it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (8)

1. a solar groove type heat build-up electricity generation system, it is characterized in that, comprise solar array, tracking means, controller, accumulator, oxygen-eliminating device, steam-water separator, superheater and cyclic steam TRT, described solar array comprises parabolic trough investigation on several focus reflectors, parabolic trough metallic support and the high-temperature solar thermal-collecting tube for collecting flute profile parabolic concentrator reflector reflects solar energy, described parabolic trough investigation on several focus reflectors is packed on parabolic trough metallic support, the delivery outlet of described high-temperature solar thermal-collecting tube is connected to the input port of accumulator by pipeline, the delivery outlet of described accumulator is connected to the input port of high-temperature solar thermal-collecting tube by pipeline, the delivery outlet of described accumulator is connected to the input port of superheater by pipeline, the delivery outlet of described superheater is connected to the input port of steam-water separator by pipeline, the delivery outlet of described steam-water separator is connected to the air inlet of cyclic steam TRT by pipeline, the delivery outlet of described cyclic steam TRT is connected to oxygen-eliminating device input port by pipeline, the delivery outlet of described oxygen-eliminating device is connected to the input port of accumulator by pipeline, pipeline between described oxygen-eliminating device and accumulator is set to water pump, the delivery outlet of described high-temperature solar thermal-collecting tube is connected on superheater by pipeline, the input port of described superheater is connected to the input port of accumulator by pipeline, described tracking means is packed on parabolic trough metallic support, this tracking means and controller electrical connection,
Sensor profile in described tracking means is "T"-shaped in being inverted, and two ends, bottom respectively arrange photodiode;
When sensor placement direction is consistent with sunshine, when two ends are all by solar radiation, conducting, when two ends are inconsistent by solar radiation, when exceeding to a certain degree, one end diode turns off, and sensor " closes, breaks " signal passes to controller PLC, PLC adjusts motor rotation automatically according to built-in command, thus realizes from motion tracking.
2. solar groove type heat build-up electricity generation system according to claim 1, it is characterized in that, the steam that described solar array produces enters into above-mentioned accumulator, after above-mentioned steam-water separator, enter into the main inlet throttle-stop valve of the back pressure turbine of cyclic steam TRT again, the isolated water of described steam-water separator gets back to above-mentioned oxygen-eliminating device.
3. solar groove type heat build-up electricity generation system according to claim 2, it is characterized in that, between the delivery outlet of described cyclic steam TRT and the input port of oxygen-eliminating device, two-way pipeline is set, one road pipeline is connected directly between on the input port of oxygen-eliminating device, another road pipeline is arranged low level subsidiary water tank, carbonated drink silencing heater and condensate pump.
4. solar groove type heat build-up electricity generation system according to claim 3, it is characterized in that, back pressure steam discharge one road that back pressure turbine in described cyclic steam TRT is discharged is used to oxygen-eliminating device deoxygenation, unnecessary back pressure steam discharge enters into above-mentioned low level subsidiary water tank heating demineralized water, when the demineralized water water temperature of subsidiary water tank is greater than 80 DEG C, unnecessary back pressure steam discharge enters carbonated drink silencing heater, and the water of low level subsidiary water tank and the cooling of carbonated drink silencing heater enters oxygen-eliminating device by condensate pump.
5. solar groove type heat build-up electricity generation system according to claim 1, it is characterized in that, described parabolic trough investigation on several focus reflectors adopts two kinds of focusing mirror, be respectively A face focusing mirror and B face focusing mirror, described A face focusing mirror and B face focusing mirror include mirror surface, PVB film and set off three layers, glass, and described PVB film is at mirror surface and set off between glass.
6. solar groove type heat build-up electricity generation system according to claim 5, it is characterized in that, the thickness of the mirror surface of described A face focusing mirror is 3mm, the arc length of this mirror surface is 1524mm, the chord length of this mirror surface is 1514mm, the thickness of described PVB film is 0.76mm, described in set off glass thickness be 3mm, the width of described A face focusing mirror is 1330mm.
7. solar groove type heat build-up electricity generation system according to claim 5, it is characterized in that, the thickness of the mirror surface of described B face focusing mirror is 3mm, the arc length of this mirror surface is 1654mm, the chord length of this mirror surface is 1649mm, the thickness of described PVB film is 0.76mm, described in set off glass thickness be 3mm, the width of described B face focusing mirror is 1330mm.
8. solar groove type heat build-up electricity generation system according to claim 1, it is characterized in that, described controller adopts the PLC of 3 groups of S7-200CN models.
CN201310222908.2A 2013-06-06 2013-06-06 Solar groove type heat build-up electricity generation system Expired - Fee Related CN103306919B (en)

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CN103790792B (en) * 2014-02-19 2018-02-06 赖泽民 Photospot solar water heat accumulation electricity generation system
CN104265586B (en) * 2014-09-24 2017-01-25 国电龙源电力技术工程有限责任公司 Power generation system comprising steam heat accumulator

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CN1687669A (en) * 2005-04-27 2005-10-26 张耀明 Heliostat device
CN201521406U (en) * 2009-10-29 2010-07-07 程学忠 Trough direct heating type solar thermal power generation device
CN201621023U (en) * 2009-12-29 2010-11-03 浙江大学 Concentrating solar extraction-condensing cogeneration device
CN203321762U (en) * 2013-06-06 2013-12-04 国电青松吐鲁番新能源有限公司 Parabolic trough solar concentrating power generation system

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