CN108073187A - A kind of track foundation and its construction technology, tower photo-thermal power station - Google Patents
A kind of track foundation and its construction technology, tower photo-thermal power station Download PDFInfo
- Publication number
- CN108073187A CN108073187A CN201611030329.8A CN201611030329A CN108073187A CN 108073187 A CN108073187 A CN 108073187A CN 201611030329 A CN201611030329 A CN 201611030329A CN 108073187 A CN108073187 A CN 108073187A
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- Prior art keywords
- guide rail
- track foundation
- cement mortar
- ballast layer
- gravel
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D3/00—Control of position or direction
- G05D3/12—Control of position or direction using feedback
Abstract
The invention discloses a kind of track foundation and its construction technology and tower photo-thermal power stations.The track foundation includes baltimore groove and guide rail, and baltimore groove is interior to be equipped with sandy soils, cement mortar bedding cushion, ballast layer and cement screedn successively from bottom surface to its opening direction；The stationary plane of guide rail is arranged at cement mortar bedding cushion and the interface of ballast layer；The guide surface of guide rail is located at outside cement screedn.The construction of this track foundation is convenient, of low cost, is used suitable for side crops industry environment.
Description
Technical field
The invention belongs to solar energy generation technology field more particularly to a kind of track bases applied in tower fever power station
Plinth and its construction technology.
Background technology
Solar energy tower type power generation is also known as integrated system, it is equipped with many large-scale sun on the place of very large area
Energy speculum, commonly referred to as heliostat, every each all is equipped with follower and sun light reflection accurately is focused on a height
On the recipient of top of tower.The solar energy of absorption is changed into thermal energy by recipient, then thermal energy is transmitted to working medium, by accumulation of heat ring
Section, then hot merit machinery is inputted, expansion work drives generator, is finally exported in the form of electric energy.Since tower-type electricity generation is for too
The focusing of sunlight must have larger focusing ratio, therefore need to use 1,100 face speculums, and have rational layout, make its reflected light
It can focus on receiver.The reflecting rate of speculum should reach more than 80%~90%, it is therefore desirable to the reflection on heliostat
Mirror makes itself and sun synchronization from the motion tracking sun.
Existing heliostat is using azimuth-elevation angle two-dimensional transmission mechanism tracking mode tracking sun.Azimuth-elevation angle
Tracking mode refers to use rotating base (circular base A seating) or rotating base top rotating mechanism (one-armed branch during heliostat operation
Posture) heliostat azimuthal variation is adjusted, while adjust the mode of minute surface elevation angle.
The two-dimensional transmission mechanism of heliostat generally includes two driving motors, and one is used for the azimuthal adjustment of heliostat,
Another is used for the adjustment of heliostat elevation angle.Since the quantity of heliostat in tower photo-thermal power station is hundreds and thousands of, tower
The quantity for the driving motor that the control system needs of formula photo-thermal power station control is very huge, causes control system sufficiently complex numerous
It is trivial, cause the reliability and stability of control system to reduce.
Therefore, it is necessary to provide a kind of new heliostat drive scheme, can not only heliostat be made accurately to track the sun
Azimuth and elevation angle, and the usage amount of driving unit can be reduced, greatly simplify structure and the control of control system, improved
The reliability and stability of control system.
The content of the invention
The present application purpose is to provide a kind of new heliostat drive scheme, using track foundation in this scenario
And the construction technology on basis.
According to an aspect of the invention, there is provided a kind of track foundation, matrix and guide rail including carrying baltimore groove, institute
It states in the baltimore groove of matrix and is equipped with sandy soils, cement mortar bedding cushion, ballast layer and water successively from bottom surface to its opening direction
Cement mortar surface layer, the stationary plane of guide rail are arranged at cement mortar bedding cushion and the interface of ballast layer, and the guide surface of guide rail is located at
Outside the cement screedn.
Optimization, track foundation further includes ground continuous wall base, and described matrix is fixed on ground continuous wall base.
According to another aspect of the present invention, a kind of construction technology for preparing above-mentioned track foundation is additionally provided, including as follows
Step：
Step 1: prepare raw material, including：Gravel, middle sand, water and cement；
Step 2: with mold casting concrete, the matrix with baltimore groove is formed, and conserves shaping；
Step 3: matrix is arranged on precalculated position, and fix；
Step 4: sand in being put into the baltimore groove of described matrix, to form sandy soils in spill trench bottom, by sandy soils
Upper surface smooth out；
Step 5: tamping cement mortar bedding cushion above sandy soils, upper surface smoothes out, and cement mortar must be dry cement
Mortar, to prevent from oozing under water mud；
Step 6: placing guide rail on the cement mortar bedding cushion, make the stationary plane of guide rail and the cement mortar bedding cushion
Surface contacts, and after adjusting the guide rail position to setting position, gravel is dosed into baltimore groove, then sand joint filling in using, and makes middle sand
Gap between gravel is full of and forms ballast layer, and makes the ballast layer closely knit using vibration, in railway ballast layer formation process not
Guide rail can be disturbed, then smoothes out ballast layer upper surface；
Step 7: continue to tamp dry cement mortar above ballast layer to form cement screedn, by cement bonded sand
Pulp surface layer upper surface smoothes out or smears into the inclined inclined-plane in both sides, then conserves, after intensity reaches sets requirement, has constructed
Finish.
Optimization, gravel is dosed in step 6 into baltimore groove, sand joint filling in then using makes middle sand by the gap between gravel
Full of forming ballast layer, and using vibration make ballast layer closely knit including：Gravel and middle sand are successively dosed, it is thick to reach setting
Degree.
Preferably, in step 6 using vibration make ballast layer closely knit including：After gravel and middle sand is successively tamped, by railway ballast
Layer vibratory compaction；Or after every layer of gravel and middle sand tamp, by gravel and middle sand vibratory compaction.
It is further preferred that in step 6, before the floating ballast layer upper surface, further include fine tuning and lead
Rail confirms that it is located at setting position.
Preferably, cement mortar bedding cushion is identical with the thickness of cement screedn；The thickness of sandy soils is
4~6 times of cement mortar bedding cushion.
In accordance with a further aspect of the present invention, a kind of tower photo-thermal power station using above-mentioned track foundation, tower are additionally provided
Formula photo-thermal power station includes several set settled date mirror assemblies, collection thermal tower, track foundation, mobile platform.Track foundation is annular, thermal-arrest
Tower is arranged at the center on circular orbit basis；Mobile platform is slidably connected with track foundation；Mobile platform includes driving it can
The driving unit moved along guide rail；More set settled date mirror assemblies are installed on mobile platform.Often set settled date mirror assembly itself can adjust fixed
The elevation angle of solar eyepiece, to track the height of the sun；The more set settled date mirror assemblies of mobile platform carrying are rotated along track foundation pitch of the laps,
So that the heliostat on mobile platform unifies synchronous sun tracking azimuth.This technical solution can not only realize heliostat tracking too
Sunlight, is reflected into the designated position of collection thermal tower by the elevation angle of sun and azimuth, but also can greatly reduce settled date mirror assembly
The usage quantity of driving unit, and then simplify the control system in power station.
Preferably, above-mentioned photo-thermal power station middle orbit is basic for multi-turn, multi-turn track foundation arranged concentric；Often enclose track base
Mobile platform is run on the guide rail of plinth.
It is further preferred that the number of turns that track foundation is multi-turn and track foundation is even number, every two circles track foundation is one
Group, the guide rail of every two circles track foundation form the moving guide rail of mobile platform.
From above technical scheme, the track foundation that the application provides compares traditional rail with track foundation construction technology
Road basis, of low cost, construction is simple；The photo-thermal power station that the application provides is compared to traditional photo-thermal power station, driving unit
Usage quantity it is less, control structure is simple and reliable, of low cost.
Description of the drawings
By the detailed description made in conjunction with the following drawings, above-mentioned and/or other aspects of the invention and advantage will become
It becoming apparent from and is easier to understand, these attached drawings are simply schematical, are not intended to limit the present invention, wherein：
Fig. 1 is the cross-sectional view for meeting a kind of track foundation of the application；
Fig. 2 is a kind of cross-sectional view for the track foundation for meeting the optimization of the application；
Fig. 3 is the schematic cross-section according to another track foundation for being preferably implemented and exemplifying；
Fig. 4 is the schematic diagram for meeting a kind of photo-thermal power station of the application；
Fig. 5 is a kind of schematic diagram for the photo-thermal power station for meeting the optimization of the application；
Fig. 6 is the schematic diagram for meeting a kind of photo-thermal power station further optimized of the application；
It illustrates：1st, matrix, 2, guide rail, 3, sandy soils, 4, cement mortar bedding cushion, 5, ballast layer, 6, cement sand pulp
Layer, 7, ground continuous wall base, 8, soil, 9, the track foundation of annular, 10, mobile platform, 11, settled date mirror assembly, 12, thermal-arrest
Tower.
Specific embodiment
The technical solution in the embodiment of the present invention is clearly and completely described with reference to the accompanying drawings and examples, is shown
So, described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.Based on the implementation in the present invention
Example, those of ordinary skill in the art's all other embodiments obtained on the premise of creative work is not made all belong to
In the scope of protection of the invention.
Inventors noted that in tower photo-thermal power station, all heliostats in the rotation of azimuth direction be it is synchronous, i.e.,
Angle between each moment, every two sides heliostat in the azimuth direction is identical.
Traditional tower photo-thermal power station has all matched somebody with somebody a set of driving unit, to track solar azimuth per face heliostat.
The heliostat quantity of tower photo-thermal power station is thousands of, therefore also just needs thousands of driving units matched, and
And control system is huge and complicated.In order to reduce the usage quantity of driving unit, and simplified control system, one is inventor provided
The tower photo-thermal power station of kind, this tower photo-thermal power station have used small number of driving unit, have simplified control system.In order to
Support new photo-thermal power station, inventor additionally provides a kind of new track foundation and its construction technology.
Fig. 1 is the schematic cross-section that the track foundation exemplified is preferably implemented according to one, and track foundation is included with spill
The matrix 1 of slot and guide rail 2, the baltimore groove of matrix 1 is interior to be equipped with sandy soils 3, cement bonded sand successively from bottom surface to its opening direction
Bed course 4, ballast layer 5 and cement screedn 6 are starched, the stationary plane 21 of guide rail 2 is arranged at cement mortar bedding cushion 4 and ballast layer 5
At interface, the guide surface 22 of guide rail 2 is located at outside the cement screedn 6.Moving assembly can be with the guide surface 22 of guide rail
Cooperation, and the direction that can extend on guide rail along guide rail 2 is moved.
Track foundation in the present embodiment, track matrix can be carried out before construction it is prefabricated, in the portion that constructs of needs
Position, prefabricated matrix can be put into the fortification ditch dug in advance, can be also directly arranged on the inside, and position can be wanted according to construction
Carry out flexible configuration is sought, therefore its easy for construction and construction location precision is high.Simultaneously the setting basis of the guide rail in the application be according to
Sandy soils, cement mortar bedding cushion, ballast layer and the cement screedn of secondary laying, it is above-mentioned each in track foundation normal use
Layer can bear the pressure met the requirements, when track foundation does not use, can pass through small steel hammer or other light-duty hard tools
It taps cement screedn and makes its rupture, after removing residue, you can take out guide rail, the guide rail of taking-up can carry out repeating profit
With so as to reduce construction cost.
Fig. 2 is the schematic cross-section of the track foundation according to further preferred embodiments, compared to technical side shown in Fig. 1
Unlike case, track foundation further includes ground continuous wall base 7, and matrix 1 is fixed on ground continuous wall base 7.Track base
Plinth is placed directly in ground, and matrix 1 is arranged on ground continuous wall base 7, just by not only easily offset, and easily settling
The problem of avoiding its offset and sedimentation.
It follows that the track infrastructure of the application offer is simple, of low cost, easy for construction, positional precision is high, energy
Meet the requirement of solar power tower.
According to another aspect of the present invention, the construction technology for making above-mentioned track foundation is additionally provided, with traditional track
Basic different, the technological process on the present embodiment middle orbit basis specifically comprises the following steps：
Step 1: prepare raw material, including：Gravel, middle sand, water and cement；
Step 2: with mold casting concrete, the matrix 1 with baltimore groove is formed after maintenance, and conserves shaping.It can basis
The demand of scene actual use, matrix 1 can be straight or be curved, and different molds is selected to be produced；
Step 3: multiple matrixes 1 are arranged on precalculated position, towards unanimously, the gap width at docking meets to be set opening
Meter requirement, and fix；
Step 4: sand in being put into the baltimore groove of matrix 1, to form sandy soils 3 in spill trench bottom, by sandy soils
3 upper surface smoothes out, and its upper level meets design requirement；
Step 5: tamping cement mortar bedding cushion 4 above sandy soils 3, upper surface smoothes out, and highly meets design requirement, water
Cement mortar must be dry cement mortar, to prevent from oozing under water mud；
Step 6: placing guide rail 2 on cement mortar bedding cushion, make the stationary plane of guide rail and the cement mortar bedding cushion surface
Contact, adjustment 2 position of guide rail dose gravel into matrix 1 to design position, then sand joint filling in using, and make middle sand will be between gravel
Gap, which is full of, forms ballast layer 5, and makes ballast layer 5 closely knit using vibration, and guide rail 2 cannot be disturbed in 5 forming process of ballast layer,
Then 5 upper surface of ballast layer is smoothed out；
Step 7: continue to tamp dry cement mortar above ballast layer 5 to form cement screedn 6, by cement
6 upper surface of mortar surface layer smoothes out, and with 6 upper surface of preservative film or plastic wraps cement screedn, is conserved, treat that intensity reaches
To after sets requirement, construction finishes.As another preferred embodiment, 6 upper surface of cement screedn is also smeared into be rolled to two
Oblique inclined-plane, as shown in figure 3, inclined inclined-plane is conducive to the draining of 6 upper surface of cement screedn.
Preferably, gravel is dosed in step 6 into baltimore groove, sand joint filling in then using makes middle sand by the gap between gravel
Full of forming ballast layer 5, and method is used by making ballast layer 5 closely knit using vibration：Gravel and middle sand are successively dosed, makes it
Reach design thickness.Gravel and middle sand are successively added, is to make ballast layer fully closely knit after vibration.
As further prioritization scheme, in step 6 using vibration make ballast layer 5 closely knit including：Successively tamp gravel and
After middle sand, by 5 vibratory compaction of ballast layer；Or after every layer of gravel and middle sand tamp, by gravel and middle sand vibratory compaction.It needs
It is bright, in this step, ballast layer 5 is carried out closely knit by the way of vibration and is exemplary, those skilled in the art is also
Other modes can be used and carry out ballast layer closely knit, be not specifically limited herein for specific densification process.
It is further preferred that in step 6, before 5 upper surface of ballast layer is smoothed out, fine tuning guide rail 2 is further included, is confirmed
It is located at setting position.Under some service conditions higher to 2 status requirement of guide rail, this step is very necessary.
Preferably, cement mortar bedding cushion 4 is identical with the thickness of cement screedn 6 in the present embodiment；Sandy soils 3
Thickness be 4~6 times of cement mortar bedding cushion 4.
Using the technical solution on guide rail basis, a kind of new tower photo-thermal power station is inventor provided.
Fig. 4 is that the tower photo-thermal power station schematic diagram exemplified is preferably implemented according to one.Tower photo-thermal power station includes ring
Shape track foundation 9, mobile platform 10,11 sum aggregate thermal tower 12 of settled date mirror assembly, collection thermal tower 12 are located in the track foundation 9 of annular
The heart, mobile platform 10 are slidably connected with the guide rail 2 on track foundation 9, and mobile platform 10 includes driving it that can move along guide rail
Driving unit, the more set settled date mirror assemblies 11 of installation on mobile platform 10.More set settled date mirror assemblies 11 above mobile platform 10
With mobile platform 10, rotated along the direction that guide rail extends around collection thermal tower 12.Its own can be adjusted by often covering settled date mirror assembly 11
Heliostat pitch angle, mobile platform 10 carry settled date mirror assembly 11 around collection thermal tower 12 rotate realize tracking the sun orientation
Angle, both direction work at the same time, and the tracking sun rises in east and drop in west, and the reflected light of the sun can be located in the precalculated position of collection thermal tower 12
On, realize two-dimensional tracking of the settled date mirror assembly 11 to sunlight.
Compared to traditional tower photo-thermal power station, tower photo-thermal power station provided above has used small number of driving
Unit, more simplified control system realize the function of same tracking position of sun.
Fig. 5 is the tower photo-thermal power station schematic diagram exemplified according to further preferred implementation, and circular orbit 9 is more
Circle, and multi-ring annular track 9 is arranged concentric, and be all slidably connected equipped with more set heliostats on each circle circular orbit 9
The mobile platform 10 of component 11.Since space is limited on each mobile platform 10,11 quantity of settled date mirror assembly of setting also just has
Limit, therefore multi-turn track foundation 9 is set, and just can be carried greater number of settled date mirror assembly 11 with more mobile platforms 10, be covered
Lid bigger shines upon area, reflects more sunlights to the designated position of collection thermal tower 12, the hair of tower photo-thermal power station
Electrical power is greatly improved.
Fig. 6 is the tower photo-thermal power station schematic diagram exemplified according to implementation still more preferably, in technology shown in Fig. 4
On the basis of scheme, the guide rail 2 on the track foundation 9 closer with two circles simultaneously of mobile platform 10 is slidably connected.Compared to general
Guide rail 2 of the mobile platform 10 on single circular orbit basis 9 is slidably connected, and the scheme of double guide rails has higher stability,
Certain Lateral Wind and other load can be resisted, can also carry more settled date mirror assembly 11.
It is last it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；To the greatest extent
Pipe is described in detail the present invention with reference to aforementioned embodiments, it will be understood by those of ordinary skill in the art that：Its according to
The technical solution that can be so recorded to aforementioned embodiments modifies or which part technical characteristic is equally replaced
It changes；And these modifications or replacement, the essence of appropriate technical solution is not made to depart from the essence of embodiment of the present invention technical solution
God and scope.
Claims (10)
1. a kind of track foundation, matrix and guide rail including carrying baltimore groove, which is characterized in that in the baltimore groove of described matrix certainly
Bottom surface to being equipped with sandy soils, cement mortar bedding cushion, ballast layer and cement screedn on its opening direction successively；The guide rail
Stationary plane be arranged at the interface of the cement mortar bedding cushion and the ballast layer；The guide surface of the guide rail is located at described
Outside cement screedn.
2. track foundation according to claim 1, which is characterized in that the track foundation further includes diaphram wall base
Plinth, described matrix are fixed on the ground continuous wall base.
3. a kind of construction technology for preparing the track foundation of claim 1 or 2, which is characterized in that include the following steps：
Step 1: preparing raw material, the raw material includes：Gravel, middle sand, water and cement；
Step 2: forming the matrix with baltimore groove with mold casting concrete, and conserve shaping；
Step 3: matrix is arranged on precalculated position, and fix；
Step 4: sand in being put into the baltimore groove of described matrix, to form sandy soils in spill trench bottom, by the upper of sandy soils
Surface smoothes out；
Step 5: being laid with cement mortar bedding cushion above sandy soils, upper surface smoothes out, and cement mortar must be dry cement bonded sand
Slurry, to prevent from oozing under water mud；
Step 6: placing guide rail on the cement mortar bedding cushion, make the stationary plane of guide rail and the cement mortar bedding cushion surface
Contact, after adjusting the guide rail position to setting position, gravel is dosed into baltimore groove, the sand joint filling in makes middle sand by gravel
Between gap full of forming ballast layer, and make the ballast layer closely knit using the mode of vibration, in the ballast layer compacting process
In cannot disturb the guide rail；Smooth out the ballast layer upper surface；
Step 7: continue to tamp dry cement mortar above the ballast layer to form cement screedn, by the water
Cement mortar surface layer upper surface smoothes out or smears into the inclined inclined-plane in both sides, then conserves, after intensity reaches sets requirement, construction
It finishes.
4. construction technology according to claim 3, which is characterized in that gravel is dosed described in step 6 into baltimore groove,
Middle sand joint filling makes middle sand by the gap between gravel full of forming ballast layer, and using vibration make the ballast layer closely knit including：
Gravel and middle sand are successively dosed, reaches setting thickness.
5. construction technology according to claim 4, which is characterized in that make the ballast layer closely knit using vibration in step 6
Including：
It is using the method for vibration that the ballast layer is closely knit after gravel and middle sand formation ballast layer is successively tamped；Or
After every layer of gravel and middle sand tamp, using the method for vibration by gravel and middle sand vibratory compaction.
6. construction technology according to claim 3, which is characterized in that in the step 6, by the cement mortar
Surface layer upper surface smoothes out or smears into before the inclined inclined-plane in both sides, further includes：
The guide rail is finely tuned, confirms that it is located at setting position.
7. according to any construction technology in claim 3 to 6, which is characterized in that
The cement mortar bedding cushion is identical with the thickness of the cement screedn；
The thickness of the sandy soils is 4~6 times of the cement mortar bedding cushion.
8. a kind of tower photo-thermal power station, including several set settled date mirror assembly sum aggregate thermal towers, which is characterized in that further include such as right
It is required that the track foundation described in 1 or 2, mobile platform；The track foundation is annular, and the collection thermal tower is arranged at circular orbit
The center on basis；The mobile platform is slidably connected with the track foundation；The mobile platform includes driving it can be along institute
State the driving unit of guide rail movement；More set settled date mirror assemblies are installed on the mobile platform.
9. tower photo-thermal power station according to claim 8, which is characterized in that the track foundation be multi-turn, multi-turn rail
Road basis arranged concentric；The mobile platform is run on the guide rail for often enclosing track foundation.
10. tower photo-thermal power station according to claim 8, which is characterized in that the track foundation is multi-turn and described
The number of turns of track foundation is even number, and every two circle track foundation is one group, and the guide rail of every two circle track foundation forms institute
State the rail plate of mobile platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611030329.8A CN108073187A (en) | 2016-11-16 | 2016-11-16 | A kind of track foundation and its construction technology, tower photo-thermal power station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611030329.8A CN108073187A (en) | 2016-11-16 | 2016-11-16 | A kind of track foundation and its construction technology, tower photo-thermal power station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108073187A true CN108073187A (en) | 2018-05-25 |
Family
ID=62161156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611030329.8A Pending CN108073187A (en) | 2016-11-16 | 2016-11-16 | A kind of track foundation and its construction technology, tower photo-thermal power station |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112696529A (en) * | 2020-12-30 | 2021-04-23 | 浙江大陆建筑特种工程有限公司 | Small-pipe-diameter pipe jacking construction structure |
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