CN205641595U - Linear fei nieer heat absorber secondary reflecting mirror fixing device - Google Patents
Linear fei nieer heat absorber secondary reflecting mirror fixing device Download PDFInfo
- Publication number
- CN205641595U CN205641595U CN201620346677.5U CN201620346677U CN205641595U CN 205641595 U CN205641595 U CN 205641595U CN 201620346677 U CN201620346677 U CN 201620346677U CN 205641595 U CN205641595 U CN 205641595U
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- CN
- China
- Prior art keywords
- reflection mirror
- secondary reflection
- clip
- vertical pole
- fixing device
- Prior art date
- Legal status (The legal status 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 status listed.)
- Withdrawn - After Issue
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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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- Optical Elements Other Than Lenses (AREA)
Abstract
The utility model discloses a linear fei nieer heat absorber secondary reflecting mirror fixing device, including braced frame, seted up the mounting hole on braced frame's the bottom surface crossbeam, secondary reflecting mirror is connected with the bottom surface crossbeam through the connecting piece that passes the mounting hole, erect a plurality of risers between braced frame's the top beam, secondary reflecting mirror's the back is equipped with fixed the knot, and the vertical pole polyphone is fixed buckles the channel of seting up on the via hole seted up and the riser, the vertical pole can be followed perpendicular to length direction and removed in the channel, fixed knot can slide along length direction on the vertical pole. The utility model discloses can enough provide sufficient expansion space to secondary reflecting mirror, enable again to warp and receive control, reduce the linear fresnel heat absorber secondary reflecting mirror adverse effect that the afterexpansion brought that is heated, improve the stability and the reliability of heat absorber, guarantee relatively good spotlight effect.
Description
Technical field
This utility model belongs to solar light-heat power-generation technical field, relates to a kind of linear Fresnel heat extractor
Secondary reflection mirror fixing device.
Background technology
Solar energy thermal-power-generating technology is to get up to be converted into heat energy by solar energy collecting by condenser, then produces
Raw high temperature and high pressure steam driving steam turbine generating.The hot generation technology of linear Fresnel formula Salar light-gathering is mesh
A kind of common form of front solar energy thermal-power-generating, the secondary mirror field consisted of multiaspect linear reflective mirror will
Sunlight becomes wire hot spot, then utilizes receptor, high temperature illumination produced by heat-conducting fluid
Absorb and be delivered to heat exchanger.In heat exchanger, the heat of heat-conducting fluid is used for heating water and generates steam,
And then utilize the acting generating of steam driving steam turbine.
In whole linear Fresnel collecting system, heat extractor is responsible for absorbing the sun spoke of a secondary mirror field reflection
Penetrate, collection thermal medium is heated to high temperature, be the most crucial assembly.The energy absorption efficiency of heat extractor is direct
It is related to the final luminous energy transformation efficiency to electric energy.Due in solar energy thermal-power-generating technology for focusing ratio
Require and receptor limited width, in linear Fresnel technology, use narrower reflection mirror array and
Reflecting mirror is done bending process and reduces the spot width that reflecting mirror is irradiated on heat extractor, secondary is installed simultaneously
Reflecting mirror, is used for the radiation secondary focusing being irradiated to heat extractor entrance, improves focusing ratio and will collect thermal medium
It is heated to higher temperature.
In heat extractor, secondary reflection mirror can use different reflecting materials, including mirror face stainless steel
Metal material and glass mirror etc., in actual motion, owing to being irradiated to the radiation density on secondary reflection mirror
Height, up to 20kW/m2, although the heat ratio that secondary reflection mirror absorbs is little, but also be enough to make self
Temperature raises, and produces expansion.As do not reserved enough expansion spaces on mounting structure, secondary counter can be affected
Penetrate the surface figure accuracy of mirror, reduce secondary condensation efficiency, the serious damage being likely to result in secondary reflection mirror.
Summary of the invention
This utility model solves the problem in that a kind of linear Fresnel heat extractor secondary reflection mirror of offer is fixed
Device, reduces after linear Fresnel heat extractor secondary reflection mirror is heated and expands the adverse effect brought, improve
The stability of heat extractor and reliability.
This utility model is to be achieved through the following technical solutions:
A kind of linear Fresnel heat extractor secondary reflection mirror fixing device, including support frame, support frame
Floor beam on offer installing hole, secondary reflection mirror is horizontal by connector and the bottom surface through installing hole
Beam connects；Setting up between the top cross-bar of support frame has multiple riser, the back side of secondary reflection mirror to be provided with
Clip, the conduit that the via that vertical pole series winding clip is offered and riser are offered；Vertical pole can be at groove
Moving along being perpendicular to length direction in road, clip can slide on vertical pole along its length.
Described clip sticks in the back side of secondary reflection mirror, and vertical pole is at length direction linearly, fixing
The slip being buckled on vertical pole, it is provided that mobile space in the longitudinal direction after secondary reflection mirror temperature distortion；
When secondary reflection mirror deforms in vertical length direction, clip moves and accordingly with vertical pole；
The mobile meeting of vertical pole is retrained by riser, and the movement of clip also suffers restraints.
Conduit on described riser disclosure satisfy that the movement of vertical pole, and its shape is according to secondary reflection mirror not equality of temperature
The motion track design of clip during degree lower deformation, it is provided that be perpendicular to length after secondary reflection mirror temperature distortion
Mobile space on degree direction；Ensure that under design temperature, the face shape of secondary reflection mirror meets design requirement.
Described vertical pole is stock, it is possible to along its length through multiple clips of secondary reflection mirror behind
And riser；
Or, described vertical pole is quarter butt, and the movement of the clip passed is limited to adjoining by it
In the conduit of riser.
Described clip is symmetrical at the back side of secondary reflection mirror, improves the right of secondary reflection mirror deformation
Title property.
Clip is arranged on secondary reflection mirror deformation and acutely locates, and neighbor distance controls secondary reflection mirror according to effect
Deformation Demands determines.
Described floor beam supports providing bottom secondary reflection mirror, and it with the connection of secondary reflection mirror is
Connector sequentially passes through secondary reflection mirror bottom sides edge and installing hole is connected with counterpart again；Described connection
Connecting including fixing and be flexibly connected, during fixing connection, connector clamps secondary reflection mirror with counterpart, lives
When being dynamically connected, connector can move in installing hole.
Described secondary reflection mirror mid portion along its length uses fixing connection, and two side portions uses
It is flexibly connected, it is allowed to secondary reflection mirror is in both sides free wxpansion；
When using flexible connection, described installing hole is strip hole, and during flexible connection, connector can be in peace
Dress moves freely in hole.
Also setting up between the top cross-bar of described support frame and have high temperature resistant setting material, it is towards secondary
The back side mating shapes of the one side of reflecting mirror and secondary reflection mirror.
Under the floor beam of support frame supports, when design temperature, high temperature resistant setting material and secondary
Reflecting mirror contacts, and makes the reflecting surface of secondary reflection mirror meet its design requirement.
Compared with prior art, this utility model has a following useful technique effect:
The linear Fresnel heat extractor secondary reflection mirror fixing device that this utility model provides, by two
The secondary mirror back side arranges clip, and vertical pole sequentially passes through clip and riser；Conduit supplies vertical pole in interior shifting
Dynamic, it is provided that secondary reflection mirror can be vertical at the mobile space being perpendicular on length direction, clip after being heated
Slide on bar, it is provided that secondary reflection mirror be heated after mobile space in the longitudinal direction；And on the other hand,
When secondary reflection mirror deforms in vertical length direction, clip can move accordingly, due to clip
Simultaneous with vertical pole, and the conduit on vertical pole riser to be passed, therefore the movement of clip also suffers restraints；
So this utility model can either provide enough expansion space to secondary reflection mirror, and deformation can be made again to be subject to
Control.
The linear Fresnel heat extractor secondary reflection mirror fixing device that this utility model provides, is ensureing secondary
Reflecting mirror and the relative position of support frame, use strip also by the perforate in support frame floor beam
Hole, connector can move freely in installing hole, it is provided that secondary reflection mirror be heated after in the longitudinal direction
Mobile space；Allow secondary reflection mirror in both sides free wxpansion.
The linear Fresnel heat extractor secondary reflection mirror fixing device that this utility model provides, overcomes secondary
After reflecting mirror is heated and produce expansion, affect the surface figure accuracy of secondary reflection mirror, reduce secondary condensation efficiency
Defect, reduce linear Fresnel heat extractor secondary reflection mirror be heated after expand the adverse effect brought, carry
The stability of highly endothermic device and reliability, it is ensured that reasonable spotlight effect.
Accompanying drawing explanation
Fig. 1 is the structural representation of linear Fresnel heat extractor secondary reflection mirror fixing device.
Fig. 2 is linear Fresnel heat extractor secondary reflection mirror fixing device top structure schematic diagram.
Fig. 3 is the front view of linear Fresnel heat extractor secondary reflection mirror fixing device.
Fig. 4 a, Fig. 4 b are the structural representation bottom linear Fresnel heat extractor secondary reflection mirror fixing device
Figure.
Fig. 5 is with high temperature resistant setting material in linear Fresnel heat extractor secondary reflection mirror fixing device
Knot signal composition.
In figure, 1. secondary reflection mirror, 2. support frame, 21. installing holes, 3. riser, 31. conduits,
The most resistance to high setting adiabator, 5. clip, 6. vertical pole, 7. connector, 8. counterpart.
Detailed description of the invention
Below in conjunction with specific embodiment, this utility model is described in further detail, described in be to this
The explanation of utility model rather than restriction.
Seeing Fig. 1～Fig. 5, a kind of linear Fresnel heat extractor secondary reflection mirror that this utility model provides is solid
Determine device, including support frame 2, the floor beam of support frame 2 offers installing hole 21, secondary
Reflecting mirror 1 is connected with floor beam by the connector 7 through installing hole 21；The top of support frame 2
Setting up between crossbeam and have multiple riser 3, the back side of secondary reflection mirror 1 is provided with clip 5, and vertical pole 6 is contacted
The conduit 31 offered on the via offered on clip 5 and riser 3；Vertical pole 6 can be in conduit 31
Moving along being perpendicular to length direction, clip 5 can slide on vertical pole 6 along its length.
Further, described clip 5 sticks in the back side of secondary reflection mirror 1, and vertical pole 6 is in length
Direction linearly, the clip 5 slip on vertical pole 6, it is provided that after secondary reflection mirror 1 temperature distortion
Mobile space in the longitudinal direction；
When secondary reflection mirror 1 deforms in vertical length direction, clip 5 move accordingly and with
Vertical pole 6；The mobile meeting of vertical pole 6 is also suffered restraints by the constraint of riser 3, the movement of clip 5.
Conduit 31 on described riser 3 disclosure satisfy that the movement of vertical pole 6, and its shape is according to secondary reflection mirror
The motion track design of clip 5 during deformation under 1 different temperatures, it is provided that secondary reflection mirror 1 temperature distortion
After at the mobile space being perpendicular on length direction；Ensure that under design temperature, the face shape of secondary reflection mirror 1 is full
Foot design requirement.
Concrete, as it is shown in figure 1, linear Fresnel heat extractor secondary reflection mirror fixed structure, including two
Secondary mirror 1 and support frame 2；Perforate 21 is installed, for from bottom in support frame floor beam
Secondary reflection mirror 1 is supported；Secondary reflection mirror 1 back side is stained with clip 5, and clip 5 is opened
Having through hole, penetrate vertical pole 6 in length direction clip 5 linearly, vertical pole 6 is also cross support
Riser 3 on framework 2, riser 3 has conduit 31 for vertical pole 6 in interior movement, it is provided that secondary reflection
Mirror 1 can slide at the mobile space being perpendicular on length direction, clip 5 after being heated on vertical pole 6,
Provide mobile space in the longitudinal direction after secondary reflection mirror is heated.
As shown in Figure 2 and Figure 3, vertical pole 6 can use longer design, through one along its length
Secondary reflection mirror 1 multiple clips 5 behind, it is ensured that secondary reflection mirror 1 becomes in this clip position
The concordance of shape.Vertical pole 6 can also use shorter design, the movement of clip 5 that can will be passed
It is restricted in the conduit of neighbouring riser 3.
Clip 5 is advised on secondary reflection mirror 1 symmetrical, improves the right of secondary reflection mirror 1 deformation
Title property.Clip 5 preferably selects to deform larger part at secondary reflection mirror 1, and distance is can effectively control secondary
Reflecting mirror 1 deformation is advisable.
When secondary reflection mirror 1 deforms in vertical length direction, clip 5 can move accordingly, by
In clip 5 simultaneous with vertical pole 6, and the conduit 31 on vertical pole 6 riser to be passed 3, therefore fix
The movement of button 5 also suffers restraints.Conduit 31 must be fixed during deformation according under secondary reflection mirror 1 different temperatures
The motion track of button 5 is designed, it is ensured that under design temperature, the satisfied design of the face shape of secondary reflection mirror 1 is wanted
Ask.
Therefore, described vertical pole 6 is stock, it is possible to along its length through secondary reflection mirror 1 behind
Multiple clips 5 and riser 3；
Or, described vertical pole 6 is quarter butt, and the movement of the clip 5 passed is limited to adjacent by it
In the conduit 31 of near riser 3.
Described clip 5 is symmetrical at the back side of secondary reflection mirror 1, improves secondary reflection mirror 1 and becomes
The symmetry of shape.
Clip 5 is arranged on secondary reflection mirror 1 deformation and acutely locates, and neighbor distance controls secondary counter according to effect
Penetrate mirror 1 Deformation Demands to determine.
Further, described floor beam supports providing bottom secondary reflection mirror 1, itself and secondary counter
Penetrate the connection of mirror 1 be connector 7 sequentially pass through secondary reflection mirror 1 bottom sides edge and installing hole 21 again with join
Component 8 connects；Described connection includes fixing connecting and being flexibly connected, fixing when connecting connector 7 with
Counterpart clamping secondary reflection mirror 1, during flexible connection, connector 7 can move in installing hole 21.
Described secondary reflection mirror 1 mid portion along its length uses fixing connection, and two side portions is adopted
With flexible connection, it is allowed to secondary reflection mirror is in both sides free wxpansion；
When using flexible connection, described installing hole 21 is strip hole, and during flexible connection, connector 7 can
Move freely in installing hole.
Concrete, as shown in Fig. 4 a, Fig. 4 b, wherein Fig. 4 a illustrates in support frame 2 floor beam
The installing hole 21 opened, Fig. 4 b shows the state after installing joint.With bolt through secondary reflection mirror 1
Bottom sides edge, then penetrate in the hole 21 in supporting frame 2 floor beam, nut is screwed on bolt,
Realize secondary reflection mirror 1 fixing in support frame 2.On nut bolt to be fixed on, it is ensured that secondary
When reflecting mirror 1 deforms, bolt can move freely in strip hole 21.
But the bolt 7 that not all secondary reflection mirror 1 is connected with support frame 2 bottom surface can support
On framework 2 bottom surface slidably, it is fixing for needing at least one position, it is ensured that secondary reflection mirror 1 with
The relative position of support frame 2, the suggestion of this position selects in secondary reflection mirror 1 centre along its length,
Allow secondary reflection mirror in both sides free wxpansion.
Further, also set up between the top cross-bar of described support frame 2 and have high temperature resistant setting material
4, the back side mating shapes of its one side towards secondary reflection mirror 1 and secondary reflection mirror 1.
Under the floor beam of support frame 2 supports, when design temperature, high temperature resistant setting material 4 with
Secondary reflection mirror 1 contacts, and makes the reflecting surface of secondary reflection mirror 1 meet its design requirement.
Concrete as it is shown in figure 5, high temperature resistant setting material 4 is fixed in support frame 2, it and secondary counter
Penetrate the mutually close one side of mirror 1 through carefully design, it is ensured that under design temperature, secondary reflection mirror 1 supports
On high temperature resistant setting material 4 so that the reflecting surface of secondary reflection mirror 1 meets design requirement.
The linear Fresnel heat extractor secondary reflection mirror fixing device that this utility model provides, can either be to two
Secondary mirror provides enough expansion spaces, and deformation can be made again to be controlled, and reduces linear Fresnel heat absorption
Device secondary reflection mirror expands the adverse effect brought after being heated, improve stability and the reliability of heat extractor,
Ensure reasonable spotlight effect.
Example given above is to realize this utility model preferably example, on this utility model is not limited to
State embodiment.Those skilled in the art is made according to the technical characteristic of technical solutions of the utility model
Any nonessential interpolation, replacement, belong to protection domain of the present utility model.
Claims (10)
1. a linear Fresnel heat extractor secondary reflection mirror fixing device, it is characterized in that, including support frame (2), offering installing hole (21) in the floor beam of support frame (2), secondary reflection mirror (1) is by being connected through the connector of installing hole (21) (7) with floor beam；Set up between the top cross-bar of support frame (2) and have multiple riser (3), the back side of secondary reflection mirror (1) is provided with clip (5), the conduit (31) that the via that vertical pole (6) series winding clip (5) is offered and riser (3) are offered；Vertical pole (6) can move along being perpendicular to length direction in conduit (31), and clip (5) can slide on vertical pole (6) along its length.
2. linear Fresnel heat extractor secondary reflection mirror fixing device as claimed in claim 1, it is characterized in that, described clip (5) sticks in the back side of secondary reflection mirror (1), vertical pole (6) is at length direction linearly, the clip (5) slip on vertical pole (6), it is provided that mobile space in the longitudinal direction after secondary reflection mirror (1) temperature distortion；
When secondary reflection mirror (1) deforms in vertical length direction, clip (5) moves and accordingly with vertical pole (6)；The mobile meeting of vertical pole (6) is also suffered restraints by the constraint of riser (3), the movement of clip (5).
3. linear Fresnel heat extractor secondary reflection mirror fixing device as claimed in claim 2, it is characterized in that, conduit (31) on described riser (3) disclosure satisfy that the movement of vertical pole (6), its shape is according to the motion track design of clip (5) during deformation under secondary reflection mirror (1) different temperatures, it is provided that at the mobile space being perpendicular on length direction after secondary reflection mirror (1) temperature distortion；Ensure that under design temperature, the face shape of secondary reflection mirror (1) meets design requirement.
4. linear Fresnel heat extractor secondary reflection mirror fixing device as claimed in claim 1, it is characterized in that, described vertical pole (6) is stock, it is possible to along its length through multiple clips (5) and the riser (3) of secondary reflection mirror (1) behind；
Or, described vertical pole (6) is quarter butt, and the movement of the clip (5) passed is limited in the conduit (31) of adjoining riser (3) by it.
5. linear Fresnel heat extractor secondary reflection mirror fixing device as claimed in claim 1, it is characterized in that, described clip (5) is symmetrical at the back side of secondary reflection mirror (1), improves the symmetry that secondary reflection mirror (1) deforms.
6. linear Fresnel heat extractor secondary reflection mirror fixing device as claimed in claim 1, it is characterized in that, clip (5) is arranged on secondary reflection mirror (1) deformation and acutely locates, and neighbor distance controls secondary reflection mirror (1) Deformation Demands according to effect and determines.
7. the linear Fresnel heat extractor secondary reflection mirror fixing device as described in claim 1～6 any one, it is characterized in that, secondary reflection mirror (1) bottom is provided and supports by described floor beam, it with the connection of secondary reflection mirror (1) is: connector (7) sequentially passes through secondary reflection mirror (1) bottom sides edge and installing hole (21), then is connected with counterpart (8)；
Described connection includes fixing connection and flexible connection, and connector (7) and counterpart clamping secondary reflection mirror (1) during fixing connection, during flexible connection, connector (7) can move in installing hole (21).
8. linear Fresnel heat extractor secondary reflection mirror fixing device as claimed in claim 7, it is characterized in that, described secondary reflection mirror (1) mid portion along its length uses fixing connection, and two side portions uses and is flexibly connected, it is allowed to secondary reflection mirror is in both sides free wxpansion；
When using flexible connection, described installing hole (21) is strip hole, and during flexible connection, connector (7) can move freely in installing hole.
9. linear Fresnel heat extractor secondary reflection mirror fixing device as claimed in claim 8, it is characterized in that, also set up between the top cross-bar of described support frame (2) and have high temperature resistant setting material (4), the back side mating shapes of its one side towards secondary reflection mirror (1) and secondary reflection mirror (1).
10. linear Fresnel heat extractor secondary reflection mirror fixing device as claimed in claim 9, it is characterized in that, under the floor beam of support frame (2) supports, when design temperature, high temperature resistant setting material (4) contacts with secondary reflection mirror (1), and makes the reflecting surface of secondary reflection mirror (1) meet its design requirement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620346677.5U CN205641595U (en) | 2016-04-22 | 2016-04-22 | Linear fei nieer heat absorber secondary reflecting mirror fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620346677.5U CN205641595U (en) | 2016-04-22 | 2016-04-22 | Linear fei nieer heat absorber secondary reflecting mirror fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205641595U true CN205641595U (en) | 2016-10-12 |
Family
ID=57063207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620346677.5U Withdrawn - After Issue CN205641595U (en) | 2016-04-22 | 2016-04-22 | Linear fei nieer heat absorber secondary reflecting mirror fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205641595U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105758010A (en) * | 2016-04-22 | 2016-07-13 | 中国华能集团清洁能源技术研究院有限公司 | Fixing device for secondary reflection mirror of linear Fresnel heat absorber |
| WO2024032851A1 (en) * | 2022-08-10 | 2024-02-15 | Frenell Ip Gmbh | Secondary reflector |
-
2016
- 2016-04-22 CN CN201620346677.5U patent/CN205641595U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105758010A (en) * | 2016-04-22 | 2016-07-13 | 中国华能集团清洁能源技术研究院有限公司 | Fixing device for secondary reflection mirror of linear Fresnel heat absorber |
| CN105758010B (en) * | 2016-04-22 | 2018-06-26 | 中国华能集团清洁能源技术研究院有限公司 | A kind of linear Fresnel heat dump secondary reflection mirror fixing device |
| WO2024032851A1 (en) * | 2022-08-10 | 2024-02-15 | Frenell Ip Gmbh | Secondary reflector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161012 Effective date of abandoning: 20180626 |