CN101946133B - Hybrid solar heat power generation device - Google Patents

Hybrid solar heat power generation device Download PDF

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Publication number
CN101946133B
CN101946133B CN2008801272241A CN200880127224A CN101946133B CN 101946133 B CN101946133 B CN 101946133B CN 2008801272241 A CN2008801272241 A CN 2008801272241A CN 200880127224 A CN200880127224 A CN 200880127224A CN 101946133 B CN101946133 B CN 101946133B
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CN
China
Prior art keywords
receiver
pillar
central reflector
provided
heliostat
Prior art date
Application number
CN2008801272241A
Other languages
Chinese (zh)
Other versions
CN101946133A (en
Inventor
前村敏彦
江泽一明
奥幸之介
川口隆
Original Assignee
三井造船株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to JP2008-041941 priority Critical
Priority to JP2008041941A priority patent/JP4463308B2/en
Application filed by 三井造船株式会社 filed Critical 三井造船株式会社
Priority to PCT/JP2008/073869 priority patent/WO2009104347A1/en
Publication of CN101946133A publication Critical patent/CN101946133A/en
Application granted granted Critical
Publication of CN101946133B publication Critical patent/CN101946133B/en

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24SSOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S40/00Safety or protection arrangements of solar heat collectors; Preventing malfunction of solar heat collectors
    • F24S40/20Cleaning; Removing snow
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24SSOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S20/00Solar heat collectors specially adapted for particular uses or environments
    • F24S20/20Solar heat collectors for receiving concentrated solar energy, e.g. receivers for solar power plants
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24SSOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S23/00Arrangements for concentrating solar-rays for solar heat collectors
    • F24S23/70Arrangements for concentrating solar-rays for solar heat collectors with reflectors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24SSOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S23/00Arrangements for concentrating solar-rays for solar heat collectors
    • F24S23/70Arrangements for concentrating solar-rays for solar heat collectors with reflectors
    • F24S23/79Arrangements for concentrating solar-rays for solar heat collectors with reflectors with spaced and opposed interacting reflective surfaces
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24SSOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S23/00Arrangements for concentrating solar-rays for solar heat collectors
    • F24S23/70Arrangements for concentrating solar-rays for solar heat collectors with reflectors
    • F24S2023/83Other shapes
    • F24S2023/833Other shapes dish-shaped
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24SSOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S23/00Arrangements for concentrating solar-rays for solar heat collectors
    • F24S23/70Arrangements for concentrating solar-rays for solar heat collectors with reflectors
    • F24S2023/87Reflectors layout
    • F24S2023/874Reflectors formed by assemblies of adjacent similar reflective facets
    • 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
    • Y02E10/41Tower concentrators

Abstract

Provided is a solar heat power generation device which prevents a reduction in heat collection efficiency and a marked reduction in solar heat caused by concentrating light on one receiver from a heliostat disposed close to the receiver provided on a support and a heliostat disposed far away therefrom. The solar heat power generation device is characterized by comprising a support (4) provided with receivers (1) for receiving solar light and plural heliostats (6) for reflecting the solar light toward the receivers (1), which are disposed concentrically around the support (4), and in that the support (4) is vertically provided with at least two receivers (1a, 1b), the upper receiver (1a) receives reflected light (L1) from a heliostat (6a) disposed far away therefrom and the lower receiver (1b) receives reflected light (L2) from a heliostat (6b) disposed close thereto.

Description

Mix solar generation device

Technical field

The present invention relates to utilize the TRT of solar heat, relate to increase from the catoptrical light gathering efficiency of heliostat, the solar generation device that generating efficiency is improved.

Background technology

In recent years, the care of the earth environment of the global warming that the exhaust gas of combustion of fossil fuels is caused, exhaustion of fossil fuel etc. improves constantly, and replaces the alternative energy source of above-mentioned fossil fuel to be attracted attention.As such alternative energy source, wind-power electricity generation, solar power generation are constantly popularized.

The heat that particularly produces with the optically focused sunshine is come the heat hot medium; Heat through this thermal medium produces steam; The light-focusing type solar generation device that utilizes this steam driving steam turbine engine to generate electricity can be to turn round with the same generating equipment of existing thermal power generation; Can obtain high output, therefore attracted attention.

As such light-focusing type solar generation device; Proposition has following mode: the grooved solar generation device; The direction of principal axis of reflecting plate that its face has formed the section semi-circular shape of reflecting surface is provided with the pipeline (for example, patent documentation 1) that is imported into thermal medium; Dish-like solar generation device is provided with: the reflecting plate and near the thermal medium heating part the reflecting plate (for example, patent documentation 2) that have formed the bowl type of reflecting surface at a face; And the tower solar generation device, many heliostats (heliostat) are set around, the tower that will be provided with the thermal medium heating part at the top is configured in central authorities (for example, patent documentation 3).

In addition; Proposition has many heliostats is set around; The thermal medium heating part is set in the bottom, the solar generation device (for example, non-patent literature 1) of the beam down system (beam down) of crooked speculum (central reflector) is set above this thermal medium heating part.

Patent documentation 1:WO2005/017421

Patent documentation 2: TOHKEMY 2004-169059 communique

Patent documentation 3: TOHKEMY 2005-106432 communique

Non-patent literature 1:Solar Energy, Volume 62, and Number 2, and February 1998, pp.121-129 (9)

Summary of the invention

The problem that invention will solve

(grooved)

Above-mentioned grooved solar generation device quite maximizes on the width of reflecting plate, and then is provided with many and use in length and breadth, so there is the area quite large-scale problem that becomes that is provided with of reflecting plate.

(dish-like)

Above-mentioned dish-like in, carry out optically focused and thermal medium heated by each reflecting plate, therefore compact, but the size of reflecting plate has the limit, has the problem that is not suitable for extensive generating.

(tower)

The tower solar generation device is as shown in Figure 9; Shine the reverberation R109 of the sensitive surface 105a of receiver 105 from the heliostat 102 in the distant place that is provided in tower 100; Because approach the right angle and irradiated area is narrow to the incidence angle θ 1 of sensitive surface 105a, so the light quantity of per unit area becomes many, illumination grow, so the heat-collecting capacity height; But the incident angle θ 2 of sensitive surface 105a is become acute angle from the reverberation R108 that sets 101 irradiations of nigh heliostat; Shine the irradiated area expansion of the reverberation R108 of this sensitive surface 105a, the light quantity of per unit area reduces, illumination dies down, the problem that therefore exists heat-collecting capacity to diminish.

When with sin θ (incidence angle) expression thermal efficiency, for about 100%, become about 50% setting nigh heliostat 101 at the heliostat that is provided in a distant place 102.

(beam down system)

Beam down system solar generation device is shown in figure 10; Become acute angle from the reverberation R119 of the heliostat 112 in a distant place that is provided in central reflector 116 for the incidence angle of the reflecting surface 116a of central reflector 116, so reverberation R119 incides central reflector 116 under the state that quite tilts.As a result, shine the irradiated area expansion of the reverberation R119 of central reflector 116 from the central reflector 112 that is provided in a distant place, the problem that exists collecting efficiency to reduce.

And then even the radius that is provided with of heliostat is that the diameter of central reflector also becomes about 100m about hundreds of rice, its weight also becomes hundreds of tons, therefore also has the problem of the intensity of supporting construction thing.

(the present invention)

The present invention is in view of above-mentioned prior art problems; Its purpose is to provide a kind of solar generation device; Make from being provided in that near the receiver heliostat shines the reverberation of receiver and shining the reverberation of receiver from the heliostat that is provided in a distant place; Irradiated area to receiver narrows down, and illumination is increased.

Be used to solve the scheme of problem

Hybrid mode solar generation device of the present invention constitutes as follows.

1) it is characterized in that having: pillar, it possesses the receiver that receives sunshine; And a plurality of heliostats; Concentric circles ground configuration around this pillar; Sunshine is reflected towards above-mentioned receiver; Above-mentioned pillar possesses at least 2 receivers at above-below direction, and the receiver of top receives the reverberation from the heliostat that is provided in a distant place, and the receiver of below is to receiving from the reverberation that sets nigh heliostat.

2) it is characterized in that the luminosity when the catoptrical incidence angle that receiver is received is the right angle is made as under 100% the situation, with receiver to being that the reverberation of the heliostat of the position more than 60% receives from being arranged on this luminosity.

3) it is characterized in that; To be made as 75 ° to 105 ° to the catoptrical incidence angle of the receiver reflection of the top that is arranged on this pillar from the heliostat in the distant place that is provided in above-mentioned pillar, will be made as 75 ° to 105 ° to the catoptrical incidence angle of the receiver reflection of the below that is arranged on this pillar near the heliostat that is provided in above-mentioned pillar

4) it is characterized in that having: pillar, it possesses the receiver that receives sunshine; And a plurality of heliostats; Concentric circles ground configuration around this pillar; Sunshine is reflected towards above-mentioned receiver; The receiver that reverberation from the heliostat in a distant place that is provided in above-mentioned pillar is received is set on the top of pillar, the bottom of pillar be provided with to from be provided in above-mentioned supporter near the reverberation of heliostat receive central reflector, and then; Below this central reflector, be provided with the receiver that the sunshine through the central reflector reflection is received.

5) it is characterized in that; Be assembled at least 3 pillars pyramidal; Setting is from the cylinder of the upper lateral top prolongation of this pillar; Central reflector is fixed in the above-mentioned pyramidal pillar that is assembled into, and then, respectively below above-mentioned central reflector and cylinder receiver is set; The receiver that is arranged on cylinder is received the reverberation from the heliostat in a distant place that is provided in above-mentioned pillar, the receiver that is arranged on pillar is received the reverberation near the heliostat that is provided in pillar via central reflector.

6) it is characterized in that in following solar generation device, promptly having: pillar, it possesses central reflector; And a plurality of heliostats, concentric circles around this pillar in the solar generation device that sets, possess: framework, form arch shape along the wall of the central reflector of section half-circle-arc shape, one is distolateral by above-mentioned shore supports; Sweeping robot is installed along this framework freedom of movement ground; And mobile unit, the framework that this sweeping robot is installed is moved on the circumferencial direction of central reflector, above-mentioned sweeping robot has the injection apparatus of the wall winding-up of central reflector being cleaned water.

7) it is characterized in that, be arranged on above-mentioned central reflector below receiver in, be provided with the light accepting part of cone shape, in the entrance port of the sunshine incident of this light accepting part, be provided with through sunshine and prevent the dustproof unit of intrusion of the dust of sand etc.

8) it is characterized in that; Be provided with on the top of pillar to come comfortable this pillar around concentric circles the receiver that receives of the reverberation of a plurality of heliostats of setting; The sensitive surface of above-mentioned receiver is formed curved shape, and feasible catoptrical incidence angle from above-mentioned heliostat is orthogonal to above-mentioned sensitive surface or becomes the angle approaching with it.

The effect of invention

1) receiver that is provided with the top at pillar receives the reverberation from the heliostat that is provided in a distant place; With the receiver that is provided with in the bottom of pillar to receiving from the reverberation that sets nigh heliostat; And then; With to from the reverberation quadrature of each receiver or become the mode of the angle approaching with it; The tabula rasa that receives at receiver is provided with the angle of depression, therefore, comes to receive tabula rasa or the angle incident approaching with it since near the reverberation of the heliostat that sets to a distant place of pillar with what be orthogonal to receiver.Therefore, the catoptrical irradiated area that incides receiver narrows down, and illumination grow, so the received heat of receiver improves also improves with the heat exchanger effectiveness of fuse salt, and caloric value is increased.

2) because can be used to reverberation efficiently, so can realize increase according to the generated energy of extensiveization since near the heliostat that sets to a distant place.

3) because through sweeping robot to removing, so can prevent from the reduction of central reflector to the reflection efficiency of receiver attached to the sand on the surface of central reflector, dust etc.

4) through dustproof unit, can prevent that the dust of sand etc. from invading the light accepting part of receiver, make the surface blur of inwall, the heat exchanger effectiveness with fuse salt is reduced.

5) because will receive tabula rasa to form following shape; Promptly; Make the reverberation that comes since near the heliostat that sets to a distant place shine receiver receive tabula rasa the time incidence angle become quadrature or the angle approaching with it, so the heat-collecting capacity of receiver improves the generated energy increase.In addition, because also improve,, generated energy is increased so can realize extensiveization from the collecting efficiency of the heliostat that is provided in a distant place.

Description of drawings

Fig. 1 is the skeleton diagram of solar generation device of the present invention.

Fig. 2 is the summary section of the receiver of solar generation device of the present invention.

Fig. 3 is incidence angle and the figure of irradiated area that expression shines the solar heat of receiver.

Fig. 4 is incidence angle and the figure of generated energy that expression shines the solar heat of receiver.

Fig. 5 is the figure of second embodiment of expression solar generation device of the present invention.

Fig. 6 is the skeleton diagram of clearing apparatus.

Fig. 7 is the figure of the 3rd embodiment of expression solar generation device of the present invention.

Fig. 8 is the skeleton diagram of receiver of the 3rd embodiment of expression solar generation device of the present invention.

Fig. 9 is the skeleton diagram of existing tower solar generation device.

Figure 10 is the skeleton diagram of existing beam down system solar generation device.

Figure 11 is the figure that radius and generated energy are set of expression heliostat.

Description of reference numerals

A1, A2, A3 solar generation device

The L sunshine

L1, L2, L3, L11, L12, L21, L22 reverberation

C1 is closely interval

The c2 middle distance is interval

Between the c3 far region

1a, 1b, 1c, 11a, 12,21a, 22 receivers

4,14,24 pillars

6a, 6b, 6c, 16a, 26a, 26b heliostat

13,23 central reflectors

The 22a peristome

The 22b light collecting part

The specific embodiment

Below, to solar generation device of the present invention, illustrate and describe.

Embodiment 1

Fig. 1 is the summary construction diagram of solar generation device A1 of the present invention.In this solar generation device A1, as solar heat being absorbed heat and being provided with a plurality of to the bottom from the top of pillar 4 to receiver 1a, 1b, the 1c of the heat exchanger of thermal medium conduction.In addition, around the pillar that possesses receiver 1a, 1b, 1c 4, concentric circles ground configuration many heliostats 6 (6a, 6b, 6c), this heliostat 6 possess by to sunshine, be the speculum m that a plurality of little runner plate that solar heat reflects constitutes.

Above-mentioned receiver 1 that kind as shown in Figure 2 possesses: heated sheet 1a links many tabular absorbers and forms cone shape; With thermal medium pipeline 9, along interior week of this heated sheet 1a and reel repeatedly.Above-mentioned heliostat 6 possesses: the tracking means of sunshine S and the drive unit that speculum m is driven up and down, and so that sunshine S is controlled towards receiver 1 reflection way.

As shown in Figure 1, be configured in the receiver 1a on the upper strata of pillar 4, the reverberation R1 from the heliostat 6a in a distant place is received.The receiver 1b that is arranged on the middle level of pillar 4 receives the reverberation R2 from the heliostat 6b that is provided in the centre position, and the receiver 1c of lower floor that is arranged on pillar 4 is to receiving from the reverberation R3 that is provided near the heliostat 6c the pillar 4.

In addition, becoming catoptrical intensity with the incidence angle of the reverberation R1 that incides each receiver 1a, 1b, 1c, R2, R3 is the mode more than 60%, the angle that receives tabula rasa 1a of adjustment receiver 1a, 1b, 1c.

Particularly, the incidence angle that kind as shown in Figure 2 of above-mentioned reverberation R1, R2, R3, becoming low incidence angle β is that 75 °~high incidence angle γ is 105 ° a scope.Promptly; It is as shown in Figure 3 to shine the irradiation of sunlight efficient that receives tabula rasa 1a;, the incidence angle to the sunshine that receives tabula rasa 1a becomes maximum when being 90 ° (vertically); When than 90 ° diminish or when becoming big exponential function ground descend rapidly, therefore becoming catoptrical intensity is 75 °~105 ° scope more than 60%.

And then, installed with tilt alpha with respect to the direction of principal axis of pillar 4 by tabula rasa 1a, this tilt alpha becomes 75 °~105 ° mode with the incidence angle from the reverberation R1 of each heliostat 1a, 1b, 1c, R2, R3 and is adjusted.

That is, when the area of the sunshine that receives tabula rasa 1a reflection was made as 100, in incidence angle was 75 °~105 ° scope, sunshine shone receiving tabula rasa 1a obliquely, so its area becomes in 104 when will be 90 ° of incidence angles.Therefore, even not to receiving tabula rasa 1a vertically to shine the heliostat of sunshine, its illumination efficiency also becomes more than 60%.

And then, being made as 75 °~105 ° through shining the catoptrical incidence angle that receives tabula rasa 1a, that kind as shown in Figure 4 departs from 90 ° heliostat most even shine the incidence angle of the sunshine that receives tabula rasa 1a, also has the generating efficiency more than 60%.

Above-mentioned incidence angle is such shown in Fig. 4 (incidence angle and generating efficiency); Mode so that generating efficiency becomes more than 60% is adjusted in 75 °~105 ° scope, thus as above-mentioned shown in Figure 4, when incidence angle breaks away from above-mentioned scope; Generated energy exponential function ground reduces; Therefore the generated energy with 90 ° of incidence angles the time as 100 situation under, depart from 90 ° heliostat most even shine the incidence angle of the sunshine that receives tabula rasa 1a, its generated energy also can maintain more than 60.

Heliostat crowd 6 is as shown in Figure 1, and the mode that becomes above-mentioned scope with the incidence angle to the reverberation R1 separately of each receiver 1a, 1b, 1c, R2, R3 is distinguished, adjusted.Promptly; Near nearby region C1, middle distance zone C 2, the remote regional C3 of being disposed with from pillar 4; Each heliostat 6a, 6b, 6c to be provided in each zone C 1, C2, the C3 adjusts the mode of the receiver 1a of regulation, 1b, 1c irradiation sunshine, and adjusts with the mode that the incidence angle of the reverberation R1 that shines receiver 1a, 1b, 1c, R1, R3 becomes above-mentioned scope (75 °~105 °).

Particularly, in the present embodiment, each receiver 1a, 1b, being provided with highly of 1c are; The remote receiver 1a that uses is about 105m (height h3); It is about 60m (height h2) that middle distance uses receiver 1b, and closely using receiver 1c is about 30m (height h1), and above-mentioned each zone does; Remote regional C3 is about 100~400m; It is about 50~200m that middle distance uses zone C 2, and nearby region C1 is about 15~60m, and the incidence angle that shines reverberation R1, R2, the R3 of each receiver 1a, 1b, 1c is 75 °~105 ° a scope.

The solar generation device A1 that constitutes like this receives reverberation R1, R2, the R3 from heliostat crowd 6 irradiations with receiver 1a, 1b, the 1c of regulation; The thermal medium that supplies to each receiver 1a, 1b, 1c (for example, the fuse salt of natrium nitrosum 40%, sodium nitrate 7%, potassium nitrate 53% etc.) is heated to about 500 ℃.Then, the fuse salt of this high temperature is imported to the heat exchanger that is arranged on pillar 4 in the lump and steam is produced, and then drive turbine generators through this steam and generate electricity.

Fuse salt is heated and stockpiles at high temperature at receiver uses molten salt bath, is sent to above-mentioned heat exchanger afterwards and is used in generating, stockpiles at low temperature and uses molten salt bath.Above-mentioned high temperature with molten salt bath in, with the mode that also can generate electricity at night that can not obtain solar heat etc., accumulate that to have accumulation of heat to be the fuse salt of the amount of sufficient heat to generating.As a result, can generate electricity continuously round the clock.

Pass through present embodiment; The mode that becomes quadrature or the angle approaching with it with the catoptrical incidence angle that shines receiver from heliostat is provided with a plurality of receivers at pillar; The light-receiving area of illuminated catoptrical receiver from heliostat diminishes illumination grow, result; The heat-collecting capacity of solar heat improves, and the heat that is imparted to fuse salt increases.As a result, can increase generated energy.

In addition, extensiveization causes heat-collecting capacity significantly to improve than prior art, therefore can realize extensive generating.

Embodiment 2

Present embodiment is as shown in Figure 5, on the top of pillar 14 receiver 11a is set, and is provided with central reflector 13 and receiver 12 in the bottom.Above-mentioned central reflector 13 is fixed through a plurality of cables or bar-shaped suspension unit 13c from pillar 14 through the curved shape that the speculum 13a of many little runner plate shapes forms section semicircle arcuation.

In the above-mentioned receiver 12 that is arranged on the bottom, be provided with the catoptrical thermal-arrest recess of acceptance at upper surface from central reflector 13, around this recess, be provided with many thermal medium pipelines, give solar heat to thermal medium.

As shown in Figure 5, around pillar 14, set many heliostat crowds 16 to concentric circles, divide near heliostat 16b that is provided in pillar 14 and the heliostat 16a that is provided in a distant place.Near the pillar 14 heliostat 16b shines the reverberation R11 of sunshine S to central reflector 13, the heliostat 16a in a distant place shines reverberation R12 the receiver 11a on top.And then, shine the reverberation R12 of above-mentioned central reflector 13, by the receiver 12 of optically focused to the bottom.

Set nigh heliostat 16b and be provided in heliostat 16a and the above-mentioned receiver 11a and the central reflector 13 in a distant place, with the light-receiving area of this receiver 11a and central reflector 13 diminish, the mode of illumination grow adjusts.That is, with the mode that light-receiving area diminishes, the incident angle of incident light becomes quadrature or the angle approaching with it.Particularly, with above-mentioned first embodiment likewise, incidence angle becomes 75 °~105 °.

At above-mentioned central reflector 13, be provided with the cleaning unit G that the wall (mirror surface) to this central reflector 13 cleans.G is as shown in Figure 6 for this cleaning unit, possesses: framework f, form arch shape along the wall 13c of central reflector 13, and lower end side is supported by above-mentioned pillar 14; Sweeping robot GR installs along this framework f freedom of movement ground; And drive unit m2, the framework f that this sweeping robot GR is installed is moved at the circumferencial direction of central reflector 13.

Said frame f to stop the reverberation towards central reflector 13 irradiations in order alleviating, to form thin width.In addition,, make with heat-resisting alloy can bear the high hot mode that causes from the reverberation of heliostat crowd 6 irradiations, in addition, the alloy that operating weight is light.As alloy, for example can use the high dilval of inconel, Haast nickel alloy etc. etc.

The upper end side of framework f is linked to the drive unit m1 of the circular circumference that is arranged on central reflector 13, with the drive unit m2 of the lower end side of framework f this framework f is moved.Have, framework f also can use the single arm type that supports with the drive unit m2 of pillar 14 sides again.

Sweeping robot GR has the decontaminating apparatus n that the wall 13c winding-up of central reflector 13 is cleaned water.This decontaminating apparatus n possesses injection nozzle of washing attached to dust of wall 13c etc. etc.In addition, around decontaminating apparatus n, be provided with and prevent to wash the plastic lining that water escapes to the outside.In addition, be recovered and after filter is filtered,, can carry out cycling and reutilization at clean water water from nozzle ejection.In addition, also can utilize warm water, the steam of heat of the thermal medium (fuse salt) of generating usefulness from nozzle ejection.

Cleaning unit G does not incide at reverberation R11, R12 and carries out work night of central reflector 13 etc., uses a computer and turns round automatically at night.

Have, from heliostat crowd 6 irradiation solar heats the time, sweeping robot GR moves to upper end side or the lower end side of framework f, does not receive the influence of solar heat again.In addition, sunshine side on the Northern Hemisphere shines the heliostat of the north side that is provided in central reflector 13 strongly, therefore makes framework f move to the southern side of central reflector 13, alleviates the influence of solar heat and stops.

Pass through present embodiment; To possess receiver 11a from being provided in, 12 and the pillar of central reflector 13 14 near the reverberation R12 of heliostat 16b towards central reflector 13 irradiations; Will be from the reverberation of the heliostat 16a in a distant place that is provided in pillar 14 towards receiver 11a irradiation, therefore can enough receiver 11a, 12 pairs come to receive expeditiously since near the reverberation of the heliostat that sets to a distant place of pillar 14.

As a result, even with the heliostat of the identical scale of prior art area (radius is set) is set, that kind shown in figure 11, generated energy increases, and then through extensiveization generated energy is increased.

Embodiment 3

Present embodiment is as shown in Figure 7, on the top of pillar 25 receiver 21a is set, the pin in the lower part and the space that becomes pyramidal pillar 24 is provided with central reflector 23.And then, be provided with receiver 22 in the bottom of this central reflector 23.

In above-mentioned receiver 22, be formed with the light collecting part 22b that the solar heat from central reflector 23 reflections is carried out the crucible shape of thermal-arrest at an upper portion thereof, be provided with the heat exchange department 22c of periderm thermal medium pipeline 22f coiling outside in the bottom.Above-mentioned light collecting part 22b inwall becomes minute surface, while with solar heat within it portion reflect and import heat exchange department 22c.

And then the peristome 22a of the light collecting part 22b of the receiver 22 that below central reflector 23, is provided with is provided with dustproof unit g.This dustproof unit g sees through sunshine (solar heat), and the dust of sand etc. is seen through.As dustproof unit g, for example can use the cover plate made through pyrex etc. etc.

Through dustproof unit is set, the dust that prevents sand etc. is invaded the inboard of this light collecting part 22b through the peristome 22a of the light collecting part 22b of receiver 22, pollutes minute surface, heat exchange department 22f, causes light gathering efficiency, heat exchanger effectiveness to reduce.Therefore in addition, the height of receiver 22 is about 5m, is not easy to clean its inside, through the trouble that dustproof unit g can save maintenance etc. is set.

Pass through present embodiment; Receiver with top receives the reverberation from the heliostat that is provided in a distant place; The receiver that is arranged on is on the ground received from the reverberation that sets nigh heliostat via the central reflector of bottom, therefore approach vertically by incidence angle from a distant place near the sunshine of the heliostat irradiation that sets.As a result, shine the light intensity grow of the sensitive surface of receiver, can obtain the fuse salt of high temperature, a large amount of steam is produced, generated energy increases.

Because central reflector is through the shore supports of pyramid shape, so supporting construction becomes high strength, vibration strength, wind resistant character improve.

In addition, through be arranged at central reflector below the entrance port of receiver dustproof unit is set, the dust that can prevent sand etc. makes the minute surface of inboard of light collecting part 22b fuzzy, causes fuse salt and catoptrical heat exchanger effectiveness to reduce.

In addition, be arranged on central reflector below receiver in, its light accepting part is the crucible shape, become the heat that is difficult to incident light and be released to outside shape, so the thermal efficiency improves.

Claims (4)

1. a solar generation device is characterized in that,
Have: pillar, it possesses the receiver that receives sunshine; And a plurality of heliostats, configuration is reflected sunshine towards said receiver around this pillar,
Top at pillar is provided with receiver; Said receiver receives the reverberation from the heliostat in a distant place that is provided in said pillar; Bottom at said pillar is provided with central reflector; Said central reflector receives the reverberation near the heliostat that is provided in said pillar
And then, below this central reflector, be provided with the receiver that the sunshine through the central reflector reflection is received.
2. a solar generation device is characterized in that,
Will at least 3 pillars be assembled into pyramidally, the cylinder that prolongs from the upper lateral top of this pillar is set, central reflector is fixed in the said pyramidal pillar that is assembled into, and then, below said central reflector, receiver is set respectively with cylinder,
The receiver that is arranged on cylinder is received the reverberation from the heliostat in a distant place that is provided in said pillar, the receiver of the below that is arranged on said central reflector is received the reverberation near the heliostat that is provided in pillar via central reflector.
3. a clearing apparatus is the clearing apparatus in claim 1 or the 2 described solar generation devices, and this solar generation device has: pillar, and it possesses central reflector; And a plurality of heliostats, around this pillar, setting, this clearing apparatus is characterised in that,
Possess: framework, form arch shape along the wall of the central reflector of section half-circle-arc shape, one is distolateral by said shore supports; Sweeping robot is installed along this framework freedom of movement ground; And mobile unit, the framework that this sweeping robot is installed is moved on the circumferencial direction of central reflector,
Said sweeping robot has the injection apparatus of the wall winding-up of central reflector being cleaned water.
4. solar generation device according to claim 1 and 2; It is characterized in that; Be arranged on said central reflector below receiver in; Be provided with the light accepting part of cone shape,, be provided with through sunshine and prevent the dustproof unit of the intrusion of dust in the entrance port of the sunshine incident of this light accepting part.
CN2008801272241A 2008-02-22 2008-12-27 Hybrid solar heat power generation device CN101946133B (en)

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JP2008041941A JP4463308B2 (en) 2008-02-22 2008-02-22 Hybrid solar power generator
PCT/JP2008/073869 WO2009104347A1 (en) 2008-02-22 2008-12-27 Hybrid solar heat power generation device

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Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008064321A1 (en) * 2008-09-19 2010-04-01 Ecoenergy Gesellschaft Für Energie- Und Umwelttechnik Mbh External fresh air preheating for solid fuel firings
ES2350991B1 (en) 2009-06-03 2011-10-14 Abengoa Solar New Technologies S.A. Solar concentration plant tower technology with natural shot.
US20110114078A1 (en) * 2009-11-06 2011-05-19 Gerald Reed Fargo Focused solar energy collection system to increase efficiency and decrease cost
EP2634817A4 (en) 2010-10-29 2017-06-07 Stanley Electric Co., Ltd. Power generation device, thermal power generation method and solar power generation method
CN102183837B (en) * 2011-04-21 2013-05-08 上海晶电新能源有限公司 Secondary light concentration device and system as well as solar thermal power generation system provided with system
EP2525051A1 (en) * 2011-05-20 2012-11-21 Alstom Technology Ltd Solar thermal power plant
CN102252441B (en) * 2011-05-31 2013-01-02 中海阳新能源电力股份有限公司 Heat collecting system for high-order focusing integrated light
CN102367994B (en) * 2011-10-19 2012-10-03 中国科学院电工研究所 Fuse salt jet impinging heat dump
EA030864B1 (en) * 2011-12-29 2018-10-31 Квантрилл Эстейт Инк Apparatus for concentrating energy
JP2013181669A (en) 2012-02-29 2013-09-12 Mitsubishi Heavy Ind Ltd Light condensing device, rotational axis setting method therefor, and heat collection apparatus and solar thermal power generation apparatus with light condensing device
AU2013227583B2 (en) 2012-02-29 2016-06-02 Mitsubishi Heavy Industries, Ltd. Solar concentrator, and heat collection apparatus and solar thermal power generation apparatus including same
US20140299121A1 (en) * 2012-09-30 2014-10-09 William Stevens Taber, JR. Radiation collection utilizing total internal reflection and other techniques for the purpose of dispatchable electricity generation and other uses
KR101418049B1 (en) * 2012-10-04 2014-07-16 포스코에너지 주식회사 Tower type solar energy generating system
ES2554282B2 (en) * 2013-03-18 2016-09-28 Mitsubishi Hitachi Power Systems, Ltd. Solar heat collection system
ITRM20130263A1 (en) 2013-05-03 2014-11-04 Magaldi Ind Srl of secondary reflectors with a high level of efficiency system for the accumulation and the use of solar energy source
JP5647315B2 (en) * 2013-09-25 2014-12-24 三井造船株式会社 Solar thermal power plant and control method thereof
WO2015093403A1 (en) * 2013-12-18 2015-06-25 コニカミノルタ株式会社 Sunlight-reflecting mirror unit, solar thermal power generation device, and method for cleaning sunlight-reflecting mirror
WO2016065480A1 (en) * 2014-10-31 2016-05-06 Solar Wind Reliance Initiatives (Swri) Ltd. Combined wind and solar power generating system
CN106225541A (en) * 2016-07-19 2016-12-14 深圳市爱能森科技有限公司 The tower solar-thermal generating system of the many heat collectors of single column formula

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3003962A1 (en) * 1980-02-04 1981-08-13 Interatom Solar energy and heat storage equipment - has part of light concentration device aligned onto vessel containing heat-storage medium
CN1833144A (en) * 2003-08-01 2006-09-13 旭硝子株式会社 Covering material for solar thermal power generating system and solar thermal power generating system formed by spreading the covering material
CN2823918Y (en) * 2005-08-31 2006-10-04 辛锐 Solar energy apparatus for generating field

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL108506A (en) * 1994-02-01 1997-06-10 Yeda Res & Dev Solar energy plant
JP2951297B2 (en) * 1997-10-15 1999-09-20 三鷹光器株式会社 Solar concentrator system
US6532953B1 (en) * 2001-08-30 2003-03-18 The Boeing Company Geometric dome stowable tower reflector
WO2005060009A1 (en) * 2003-12-18 2005-06-30 The University Of Sydney A beam splitter
US8360051B2 (en) * 2007-11-12 2013-01-29 Brightsource Industries (Israel) Ltd. Solar receiver with energy flux measurement and control

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3003962A1 (en) * 1980-02-04 1981-08-13 Interatom Solar energy and heat storage equipment - has part of light concentration device aligned onto vessel containing heat-storage medium
CN1833144A (en) * 2003-08-01 2006-09-13 旭硝子株式会社 Covering material for solar thermal power generating system and solar thermal power generating system formed by spreading the covering material
CN2823918Y (en) * 2005-08-31 2006-10-04 辛锐 Solar energy apparatus for generating field

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
JP特開平11-119105A 1999.04.30

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US20100319678A1 (en) 2010-12-23
ES2383786B2 (en) 2012-12-18
JP4463308B2 (en) 2010-05-19
WO2009104347A1 (en) 2009-08-27
JP2009198120A (en) 2009-09-03
ES2383786A1 (en) 2012-06-26
CN101946133A (en) 2011-01-12
AU2008351048A1 (en) 2009-08-27

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