CN202382441U - Unequal-height heliostat field for solar thermal power generation system - Google Patents
Unequal-height heliostat field for solar thermal power generation system Download PDFInfo
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- CN202382441U CN202382441U CN2011205547168U CN201120554716U CN202382441U CN 202382441 U CN202382441 U CN 202382441U CN 2011205547168 U CN2011205547168 U CN 2011205547168U CN 201120554716 U CN201120554716 U CN 201120554716U CN 202382441 U CN202382441 U CN 202382441U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
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Abstract
The utility model relates to the technical field of solar thermal power generation, particularly to an unequal-height heliostat field for a solar thermal power generation system. The unequal-height heliostat field for the solar thermal power generation system includes a receiver used for receiving sunlight reflected by heliostats and a heliostat array used for receiving sunlight and reflecting the sunlight to the receiver, wherein the center points of mirror surfaces of the heliostats in different ranks are not on the same horizontal plane. Compared with the prior art, as a height difference exists in the heliostats in different ranks, the arrangement form has lower requirement for the ground flatness, the construction difficulty can be reduced, and shadow effect and obstruction effect of adjacent heliostats can be reduced, so that when the heliostat field is arranged, the heliostats can be arranged more compactly, that is to say, the rank intervals of the heliostats are smaller, as a result, the improvement on the land use ratio of the heliostat field can be facilitated, the heliostat field efficiency can be improved, and further, the investment cost of the heliostat field can be reduced.
Description
Technical field
The utility model relates to the technical field of solar energy thermal-power-generating, particularly a kind of high heliostat field such as non-that is used for solar heat power generation system.
Background technology
Tower type solar energy thermal power generation be utilize a plurality of heliostats with solar light focusing in the receiver that receives on the tower, heating heat absorption working medium wherein produces steam thus and comes driving steam turbine, generator for electricity generation.The heliostat field is formed by a series of can the layout from the heliostat of motion tracking solar motion, is the key subsystem of tower-type solar thermal power generating system.The cost of investment of heliostat field generally accounts for the 40%-50% of overall cost of ownership, and therefore, the heliostat field is rationally distributed not only can collect and utilize solar radiant energy effectively, and for reducing cost of investment and cost of electricity-generating condition is provided.Traditional heliostat field generally is in the arranged in form of same horizontal plane with the height of the minute surface central point of all heliostats, this arrangement form is had relatively high expectations to the flatness on ground, has increased difficulty of construction; And owing to need to consider that the shade between the adjacent heliostat blocks; Need mirror field layout is carried out structure optimization to guarantee a leaving determining deviation between the adjacent heliostat, therefore, strengthened mirror field layout difficulty to a certain extent; Reduce land utilization ratio, thereby increased mirror field cost of investment.
The utility model content
The utility model purpose is to provide a kind of high heliostat field such as non-that is used for solar heat power generation system; To solve existing heliostat field in the prior art generally is in same horizontal plane with the height of the minute surface central point of all heliostats arranged in form; This arrangement form is had relatively high expectations to the flatness on ground; Increase difficulty of construction, reduced land utilization ratio, thereby increased the technical matters of mirror field cost of investment.
The utility model purpose realizes through following technical scheme:
A kind of high heliostat field such as non-that is used for solar heat power generation system, it comprises:
Receiver is used to receive the sunshine that heliostat reflects;
The heliostat array is used to receive sunshine and sunshine is reflexed to receiver, and the minute surface central point of the heliostat of different ranks is not on same horizontal plane.
Further, regulate the oneself height of said heliostat, the minute surface central point of heliostat that makes different ranks is not on same horizontal plane.
Further; Regulate the oneself height of said heliostat; The minute surface central point that makes the heliostat that is positioned at same ladder is on same horizontal plane; And the minute surface central point of heliostat that is positioned at different ladders is on same horizontal plane, and to form stepped mirror field structure, the difference in height between the heliostat of adjacent ladder equates or be unequal; This difference in height is not less than in this adjacent ladder near 5% of the oneself height of the heliostat of receiver-side, is not more than in this adjacent ladder near 10% of the oneself height of the heliostat of receiver-side.
Further; Regulate the oneself height of said heliostat; Make height be higher than height near the capable minute surface central point of the heliostat of said receiver away from the capable minute surface central point of the heliostat of said receiver; And the difference in height of heliostat is identical between adjacent lines, and the minute surface central point of all heliostats is positioned at same inclined-plane, and the angle of this inclined-plane and horizontal plane is less than 3
o
Further; Regulate the oneself height of said heliostat; Make height be higher than height near the capable minute surface central point of the heliostat of said receiver away from the capable minute surface central point of the heliostat of said receiver; And the difference in height of heliostat increases progressively between adjacent lines, and the curved surface that the minute surface central point becomes of all heliostats is following concave curved surface.
Further; Regulate the oneself height of said heliostat; Make height be higher than height near the capable minute surface central point of the heliostat of said receiver away from the capable minute surface central point of the heliostat of said receiver; And the difference in height of heliostat is successively decreased between adjacent lines, and the minute surface curved surface that central point becomes of all heliostats is a upper convex surface.
Further; Regulate the oneself height of said heliostat; Make the height of minute surface central point of the heliostat of first side and second side be higher than the height of the minute surface central point of the heliostat between said first side and said second side; And between adjacent lines successively decrease in the middle part of the difference in height of heliostat between first side and second side direction, first side and second side, and the minute surface curved surface that central point becomes of all heliostats is that both sides are high, the low following concave curved surface in middle part.
Further; Said heliostat is the curved arrangement in center with said receiver; Regulate the oneself height of said heliostat; Make the height of minute surface central point of the heliostat on the same camber line identical, there is difference in height in the minute surface central point of the heliostat on the different camber lines, is higher than the height near the minute surface central point of the heliostat of said receiver away from the height of the minute surface central point of the heliostat of said receiver.
Further, the oneself height of said heliostat is identical, and said heliostat is arranged on ground or the building top, and the minute surface central point of heliostat that makes different ranks is not on same horizontal plane.
Further, said ground or said building top possesses following characteristics:
(1) along increasing step by step away from the receiver direction is stepped;
(2) gradient between adjacent ladder equates or is unequal, said gradient be not less than heliostat oneself height 5%, be not more than heliostat oneself height 20%.
Further, said ground or said building top possesses following characteristics:
(1) have certain slope, domatic is the plane;
(2) physical features on said ground or building top is along increasing gradually away from the receiver direction.
Further, said ground possesses following characteristics:
(1) there is the gradient on said ground, and the gradient is along increase progressively away from the receiver direction gradually, and domatic is following concave curved surface;
(2) physical features is along increasing gradually away from the receiver direction.
Further, said ground possesses following characteristics:
(1) there is the gradient on said ground, and the gradient is along successively decrease away from the receiver direction gradually, and domatic is upper convex surface;
(2) physical features is along increasing gradually away from the receiver direction.
Further, said ground possesses following characteristics:
(1) there is the gradient on said ground, and domatic is high, the middle low following concave curved surfaces in both sides;
(2) diverse location of same longitude, geopotentia is basic identical.
Further; Said ground is the basin; Said receiver is arranged at basin central authorities; To be that the center is curved with said receiver be arranged on the said basin said heliostat, and the height of the minute surface central point of the heliostat on the same camber line is basic identical, and there is difference in height in the minute surface central point of the heliostat on the different camber lines.
Further, said heliostat array comprises and is arranged on ground low heliostat group and the high heliostat group that is arranged on the building top.
Further, the face that the minute surface central point became of said heliostat comprises stairstepping face, lozenges, following concave curved surface, upper convex surface and bowl-type curved surface.
Further, also comprise the installation and maintenance passage, this passage is used for large-scale dress and hangs equipment and personnel turnover receiver and Jing Chang are carried out installation and maintenance between heliostat array and receiver.
Compared with prior art, the utility model has following advantage:
1, there is difference in height between the heliostat of the different ranks of the utility model; Therefore, this arrangement form is less demanding to the flatness on ground, can reduce difficulty of construction; Simultaneously; Can also reduce shadow effect and blocking effect between the adjacent heliostat (when certain heliostat when accepting incident ray, its minute surface part is in the shade of adjacent heliostat and causes damage, and claims that then this loss effect is a shadow effect; Because reflection ray is blocked the loss effect that causes by its adjacent heliostat and is called occlusion effect); Therefore, when arranging the mirror field, can arrange heliostat compact more; The ranks spacing that is heliostat is littler; Help improving the land utilization ratio of Jing Chang like this, and then improve mirror field efficient, thereby reduced mirror field cost of investment.
2, the utility model can carry out Jing Chang design according to site contour, can reduce the power station addressing, when building to the requirement of ground flat degree, thereby shorten mirror field construction period, reduce construction cost;
3, the utility model also can rationally utilize power-house, helps improving land utilization ratio.
Description of drawings
Fig. 1 is the mirror field sketch map of the embodiment 1 of the utility model, and wherein, Figure 1A is a stereogram, and Figure 1B is a side view;
Fig. 2 is the mirror field sketch map of the embodiment 2 of the utility model, and wherein, Fig. 2 A is a stereogram, and Fig. 2 B is a side view;
Fig. 3 is the mirror field sketch map of the embodiment 3 of the utility model, and wherein, Fig. 3 A is a stereogram, and Fig. 3 B is a side view;
Fig. 4 is the mirror field sketch map of the embodiment 4 of the utility model, and wherein, Fig. 4 A is a stereogram, and Fig. 4 B is a side view;
Fig. 5 is the mirror field sketch map of the embodiment 5 of the utility model, and wherein, Fig. 5 A is a stereogram, and Fig. 5 B is a front view;
Fig. 6 is the mirror field sketch map of the embodiment 6 of the utility model, and wherein, Fig. 6 A is a stereogram, and Fig. 6 B is a side view;
Fig. 7 is the mirror field sketch map of the embodiment 7 of the utility model, and wherein, Fig. 7 A is a stereogram, and Fig. 7 B is a side view;
Fig. 8 is the mirror field sketch map of the embodiment 8 of the utility model, and wherein, Fig. 8 A is a stereogram, and Fig. 8 B is a side view;
Fig. 9 is the mirror field sketch map of the embodiment 9 of the utility model, and wherein, Fig. 9 A is a stereogram, and Fig. 9 B is a side view;
Figure 10 is the mirror field sketch map of the embodiment 10 of the utility model, and wherein, Figure 10 A is a stereogram, and Figure 10 B is a side view;
Figure 11 is the mirror field sketch map of the embodiment 11 of the utility model, and wherein, Figure 11 A is a stereogram, and Figure 11 B is a side view;
Figure 12 is the mirror field sketch map of the embodiment 12 of the utility model, and wherein, Figure 12 A is a stereogram, and Figure 12 B is a side view, and Figure 12 C is a front view;
Figure 13 is the mirror field sketch map of the embodiment 13 of the utility model.
The specific embodiment
Below in conjunction with accompanying drawing, specify the utility model.
Have difference in height between the heliostat of the different ranks of the utility model, therefore, this arrangement form is less demanding to the flatness on ground, can reduce difficulty of construction; Simultaneously, can also reduce shadow effect and blocking effect between the adjacent heliostat, therefore; When arranging the mirror field, can arrange heliostat compact more, promptly the ranks spacing of heliostat is littler; Help improving the land utilization ratio of Jing Chang like this, and then improve mirror field efficient, thereby reduced mirror field cost of investment.
See also Fig. 1, the high heliostat field such as non-that is used for solar heat power generation system of the utility model, it comprises: receiver 200 is used to receive the sunshine of heliostat reflection;
The heliostat array is used to receive sunshine and sunshine is reflexed to receiver 200, and the minute surface central point of the heliostat of different ranks 101,102,103 is not on same horizontal plane.
Further, also comprise installation and maintenance passage 50, this passage 50 is used for large-scale dress and hangs equipment and personnel turnover receiver and Jing Chang are carried out installation and maintenance between heliostat array and receiver.
The high heliostat field such as non-of the utility model can be realized through following two modes: the one, and keep all heliostat oneself heights identical; Utilize lineament, arrange heliostat with suiting measures to local conditions, realize the variation of mirror field whole height; Also can rationally utilize building (like control room, factory building etc.) top structure; Or utilize the difference in height of ground and building, on ground and top of building lay heliostat, realize the variation of mirror field whole height; The 2nd, through regulating the heliostat oneself height, forms mirror field structures such as stepped, wedge shape, the variation of realization mirror field whole height.
Below be example with the Jing Chang that is arranged on the Northern Hemisphere, specify the utility model, but those embodiment are used to limit the utility model.
First kind of implementation of the utility model is through regulating the oneself height of heliostat, and the minute surface central point of heliostat that makes different ranks is not on same horizontal plane.
Embodiment 1
Regulate the oneself height of heliostat; The minute surface central point that makes the heliostat that is positioned at same ladder is on same horizontal plane; And the minute surface central point of heliostat that is positioned at different ladders 101,102,103 is to form stepped mirror field structure, as shown in Figure 1 not on same horizontal plane; Difference in height between the heliostat of adjacent ladder can equate; Also can be arranged to unequally, this difference in height is not less than in this adjacent ladder near 5% of the oneself height of the heliostat of receiver-side, is not more than in this adjacent ladder near 10% of the oneself height of the heliostat of receiver-side.
Embodiment 2
Regulate the oneself height of heliostat; Make the height of minute surface central point of the capable heliostat of the mirror in more past north, geographical position high more, promptly make the height of minute surface central point of the second row heliostat be higher than the height of the minute surface central point of the first row heliostat, near mirror behavior first row of receiver; The second row heliostat is on the north of the first row heliostat; The height of the minute surface central point of the third line heliostat is higher than the height of the minute surface central point of the second row heliostat, by that analogy ..., and the difference in height of heliostat is identical between adjacent lines; The minute surface central point of all heliostats is positioned at same inclined-plane, and the angle of this inclined-plane and horizontal plane is less than 3
o,, as shown in Figure 2 to form wedge shape mirror field 104.
Embodiment 3
Regulate the oneself height of heliostat, the height of the minute surface central point of the heliostat that the mirror in past north, geographical position is capable is high more, promptly makes the height of minute surface central point of the second row heliostat be higher than the height of the minute surface central point of the first capable heliostat; Go near the mirror behavior first of receiver; The second row heliostat is on the north of the first row heliostat, and the height of the minute surface central point of the third line heliostat is higher than the height of the minute surface central point of the second row heliostat, by that analogy ... And the difference in height of heliostat increases progressively from south orientation north between adjacent lines; The curved surface that the minute surface central point becomes of all heliostats is following concave curved surface, forms the mirror field 107 of concave curved surface down, and is as shown in Figure 3.
Embodiment 4
Regulate the oneself height of heliostat, the height of the minute surface central point of the heliostat that the mirror in past north, geographical position is capable is high more, promptly makes the height of minute surface central point of the second row heliostat be higher than the height of the minute surface central point of the first capable heliostat; Go near the mirror behavior first of receiver; The second row heliostat is on the north of the first row heliostat, and the height of the minute surface central point of the third line heliostat is higher than the height of the minute surface central point of the second row heliostat, by that analogy ... And the difference in height of heliostat is successively decreased from south orientation north between adjacent lines; The minute surface curved surface that central point becomes of all heliostats is a upper convex surface, forms the mirror field 108 of upper convex surface, and is as shown in Figure 4.
Embodiment 5
Regulate the oneself height of heliostat; Make the height of minute surface central point of the heliostat in east side, geographical position and west side be higher than the height of minute surface central point of the heliostat of center; Promptly make the height of minute surface central point of the second row heliostat be higher than the height of the minute surface central point of the first row heliostat, near mirror behavior first row at middle part, the second row heliostat is in the east or the west of the first row heliostat; The height of the minute surface central point of the third line heliostat is higher than the height of the minute surface central point of the second row heliostat; By that analogy ..., and the difference in height of adjacent heliostat successively decreases from thing side direction middle part, and the minute surface curved surface that central point becomes of all heliostats is thing height, the low following concave curved surface in middle part; Form thing height, low mirror field 109,301, middle part, as shown in Figure 5.
Embodiment 6
In the present embodiment; Heliostat is the curved arrangement in center with the receiver, regulates the oneself height of heliostat, makes the height of minute surface central point of the heliostat on the same camber line identical; There is difference in height in the minute surface central point of the heliostat on the different camber lines; Be higher than height away from the height of the minute surface central point of the heliostat of receiver, promptly make the height of minute surface central point of the second row heliostat be higher than the height of the minute surface central point of the first row heliostat, near mirror behavior first row of receiver near the minute surface central point of the heliostat of receiver; The height of the minute surface central point of the third line heliostat is higher than the height of the minute surface central point of the second row heliostat; By that analogy ..., form bowl-type mirror field 110, as shown in Figure 6.
The another kind of implementation of the utility model; The oneself height that heliostat promptly is set is identical; Heliostat is arranged on ground or the building top, and through self the difference in height on ground or building top, the minute surface central point of heliostat that makes different ranks is not on same horizontal plane.
Embodiment 7
In the present embodiment, ground of the utility model or building top possesses following characteristics: (1) is stepped increases from south orientation north step by step; (2) gradient between adjacent ladder equates or is unequal, gradient be not less than heliostat oneself height 5%, be not more than 20% of heliostat oneself height.Heliostat is established on (or building top) 201,202,203 upper berths on stepped ground; All heliostat oneself heights are identical; As shown in Figure 7; Solid line is depicted as ground (or building top) structure among Fig. 2, and dotted line is depicted as on ground (or building top) and lays the mirror field profile that forms behind the heliostat.
Embodiment 8
In the present embodiment; The heliostat array comprises and is arranged on ground low heliostat group 204 and the high heliostat group 205 that is arranged on the building top, and the minute surface central point of heliostat of realizing different ranks through the ground and the difference in height of building is not on same horizontal plane.For example: when building is positioned at Jing Chang northernmost the time, can the part heliostat be layed in ground and form low heliostat group 204, the part heliostat is layed in the building top and forms high heliostat group 205, forms high Jing Chang such as non-as shown in Figure 8.Because Jing Chang is positioned at the Northern Hemisphere, so building can not cause shade to block to the heliostat of lower, this layout type rationally utilizes building, has effectively improved land utilization ratio.If Jing Chang is positioned at the Southern Hemisphere, then when building is positioned at the Jing Chang southernmost end, can the part heliostat be layed in the building top, form high Jing Chang such as non-.
Embodiment 9
In the present embodiment, ground of the utility model or building top possesses following characteristics: (1) has certain slope, and domatic is the plane; (2) increase from south orientation north gradually on the physical features on ground or building top.Heliostat is established on (or building top) 206 upper berths on the ground with certain slope; All heliostat oneself heights are identical; As shown in Figure 9, solid line is depicted as landform (or building top) structure among Fig. 9, and dotted line is depicted as on ground (or building top) and lays the mirror field shape that forms behind the heliostat.
Embodiment 10
In the present embodiment, the ground of the utility model possesses following characteristics: there is the gradient on (1) ground, and domatic is following concave curved surface, and the gradient increases progressively from south orientation north gradually; (2) physical features increases from south orientation north gradually.Establish heliostat on 207 upper berths, the ground with gradient, all heliostat oneself heights are identical, shown in figure 10, and solid line is depicted as topographic structure among Figure 10, and dotted line is depicted as and lays the mirror field shape that forms behind the heliostat on the ground.
In the present embodiment, the ground of the utility model possesses following characteristics: there is the gradient on (1) ground, and domatic is upper convex surface, and the gradient is successively decreased from south orientation north gradually; (2) physical features increases from south orientation north gradually.Establish heliostat on 208 upper berths, the ground with gradient, all heliostat oneself heights are identical, shown in figure 11, and solid line is depicted as topographic structure among Figure 11, and dotted line is depicted as and lays the mirror field shape that forms behind the heliostat on the ground.
Embodiment 12
In the present embodiment, the ground of the utility model possesses following characteristics: there is the gradient on (1) ground, and domatic is high, the middle low following concave curved surface of thing; (2) diverse location of same longitude, geopotentia is basic identical.Establish heliostat on 209 upper berths, the ground with gradient, all heliostat oneself heights are identical, shown in figure 12, and solid line is depicted as topographic structure among Figure 12, and dotted line is depicted as and lays the mirror field shape that forms behind the heliostat on the ground.
Above embodiment all is example with the Northern Hemisphere, and wherein, the north-south width of north Jing Chang (be position be in the capable and position of Jing Chang heliostat southernmost be in the distance of Jing Chang heliostat northernmost between capable) is greater than the north-south width of Jing Chang in the south; When the heliostat field is positioned at the Southern Hemisphere, otherwise; When the heliostat field was positioned at the equator, the north-south width of north and south Jing Chang equated.
Embodiment 13
In the present embodiment; The ground of the utility model is basin 210; Receiver is arranged at basin central authorities, and to be that the center is curved with the receiver be arranged on the basin heliostat, and the height of the minute surface central point of the heliostat on the same camber line is basic identical; There is difference in height in the minute surface central point of the heliostat on the different camber lines, and is shown in figure 13.
The face that the minute surface central point became of the heliostat of the utility model can be stairstepping face, lozenges, following concave curved surface, upper convex surface and bowl-type curved surface, also can be other shapes.
The utility model can carry out Jing Chang design according to site contour, can reduce the power station addressing, when building to the requirement of ground flat degree, thereby shorten mirror field construction period, reduce construction cost; And the utility model also can rationally utilize power-house, helps improving land utilization ratio.
More than the disclosed several specific embodiments that are merely the application, but the application is not limited thereto, any those skilled in the art can think variation, all should drop in the application's the protection domain.
Claims (18)
1. high heliostat field such as non-that is used for solar heat power generation system, it comprises:
Receiver is used to receive the sunshine that heliostat reflects;
The heliostat array is used to receive sunshine and sunshine is reflexed to receiver, it is characterized in that the minute surface central point of the heliostat of different ranks is not on same horizontal plane.
2. high heliostat field such as non-as claimed in claim 1 is characterized in that, regulates the oneself height of said heliostat, and the minute surface central point of heliostat that makes different ranks is not on same horizontal plane.
3. high heliostat field such as non-as claimed in claim 2; It is characterized in that; Regulate the oneself height of said heliostat, the minute surface central point that makes the heliostat that is positioned at same ladder is on same horizontal plane, and the minute surface central point of heliostat that is positioned at different ladders is not on same horizontal plane; To form stepped mirror field structure; Difference in height between the heliostat of adjacent ladder equates or is unequal, and this difference in height is not less than in this adjacent ladder near 5% of the oneself height of the heliostat of receiver-side, is not more than in this adjacent ladder near 10% of the oneself height of the heliostat of receiver-side.
4. high heliostat field such as non-as claimed in claim 2; It is characterized in that; Regulate the oneself height of said heliostat, make height be higher than height, and the difference in height of heliostat is identical between adjacent lines near the capable minute surface central point of the heliostat of said receiver away from the capable minute surface central point of the heliostat of said receiver; The minute surface central point of all heliostats is positioned at same inclined-plane, and the angle of this inclined-plane and horizontal plane is less than 3
o
5. high heliostat field such as non-as claimed in claim 2; It is characterized in that; Regulate the oneself height of said heliostat; Make the height away from the capable minute surface central point of the heliostat of said receiver be higher than the height near the capable minute surface central point of the heliostat of said receiver, and the difference in height of heliostat increases progressively between adjacent lines, the curved surface that the minute surface central point becomes of all heliostats is following concave curved surface.
6. high heliostat field such as non-as claimed in claim 2; It is characterized in that; Regulate the oneself height of said heliostat; Make the height away from the capable minute surface central point of the heliostat of said receiver be higher than the height near the capable minute surface central point of the heliostat of said receiver, and the difference in height of heliostat is successively decreased between adjacent lines, the minute surface curved surface that central point becomes of all heliostats is a upper convex surface.
7. high heliostat field such as non-as claimed in claim 2; It is characterized in that; Regulate the oneself height of said heliostat; Make the height of minute surface central point of the heliostat of first side and second side be higher than the height of the minute surface central point of the heliostat between said first side and said second side, and between adjacent lines successively decrease in the middle part of difference in height between first side and second side direction, first side and second side of heliostat, the minute surface curved surface that central point becomes of all heliostats is that both sides are high, the low following concave curved surface in middle part.
8. high heliostat field such as non-as claimed in claim 2; It is characterized in that; Said heliostat is the curved arrangement in center with said receiver, regulates the oneself height of said heliostat, makes the height of minute surface central point of the heliostat on the same camber line identical; There is difference in height in the minute surface central point of the heliostat on the different camber lines, is higher than the height near the minute surface central point of the heliostat of said receiver away from the height of the minute surface central point of the heliostat of said receiver.
9. high heliostat field such as non-as claimed in claim 1 is characterized in that the oneself height of said heliostat is identical, and said heliostat is arranged on ground or the building top, and the minute surface central point of heliostat that makes different ranks is not on same horizontal plane.
10. high heliostat field such as non-as claimed in claim 9 is characterized in that, said ground or said building top possess following characteristics:
(1) along increasing step by step away from the receiver direction is stepped;
(2) gradient between adjacent ladder equates or is unequal, said gradient be not less than heliostat oneself height 5%, be not more than heliostat oneself height 20%.
11. high heliostat field such as non-as claimed in claim 9 is characterized in that, said ground or said building top possess following characteristics:
(1) have certain slope, domatic is the plane;
(2) physical features on said ground or building top is along increasing gradually away from the receiver direction.
12. high heliostat field such as non-as claimed in claim 9 is characterized in that said ground possesses following characteristics:
(1) there is the gradient on said ground, and the gradient is along increase progressively away from the receiver direction gradually, and domatic is following concave curved surface;
(2) physical features is along increasing gradually away from the receiver direction.
13. high heliostat field such as non-as claimed in claim 9 is characterized in that said ground possesses following characteristics:
(1) there is the gradient on said ground, and the gradient is along successively decrease away from the receiver direction gradually, and domatic is upper convex surface;
(2) physical features is along increasing gradually away from the receiver direction.
14. high heliostat field such as non-as claimed in claim 9 is characterized in that said ground possesses following characteristics:
(1) there is the gradient on said ground, and domatic is high, the middle low following concave curved surfaces in both sides;
(2) diverse location of same longitude, geopotentia is basic identical.
15. high heliostat field such as non-as claimed in claim 9; It is characterized in that; Said ground is the basin, and said receiver is arranged at basin central authorities, and to be that the center is curved with said receiver be arranged on the said basin said heliostat; The height of the minute surface central point of the heliostat on the same camber line is basic identical, and there is difference in height in the minute surface central point of the heliostat on the different camber lines.
16. high heliostat field such as non-as claimed in claim 9 is characterized in that, said heliostat array comprises and is arranged on ground low heliostat group and the high heliostat group that is arranged on the building top.
17. high heliostat field such as non-as claimed in claim 1 is characterized in that, the face that the minute surface central point became of said heliostat comprises stairstepping face, lozenges, concave curved surface, upper convex surface and bowl-type curved surface down.
18. high heliostat field such as non-as claimed in claim 1 is characterized in that, also comprises the installation and maintenance passage, this passage is used for that large-scale dress hangs equipment and personnel's turnover is carried out installation and maintenance to receiver and Jing Chang between heliostat array and receiver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205547168U CN202382441U (en) | 2011-12-27 | 2011-12-27 | Unequal-height heliostat field for solar thermal power generation system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102434978A (en) * | 2011-12-27 | 2012-05-02 | 浙江中控太阳能技术有限公司 | Non-equal-height heliostat field for solar heat generating system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102434978A (en) * | 2011-12-27 | 2012-05-02 | 浙江中控太阳能技术有限公司 | Non-equal-height heliostat field for solar heat generating system |
| CN102434978B (en) * | 2011-12-27 | 2013-08-14 | 浙江中控太阳能技术有限公司 | Non-equal-height heliostat field for solar heat generating system |
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