CN209431683U - It is a kind of can heat accumulation non-imaged concentrating collector - Google Patents
It is a kind of can heat accumulation non-imaged concentrating collector Download PDFInfo
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- CN209431683U CN209431683U CN201920039372.3U CN201920039372U CN209431683U CN 209431683 U CN209431683 U CN 209431683U CN 201920039372 U CN201920039372 U CN 201920039372U CN 209431683 U CN209431683 U CN 209431683U
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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
- Y02E10/44—Heat exchange systems
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Abstract
The utility model be it is a kind of can heat accumulation non-imaged concentrating collector, including composite parabolic reflecting mirror and evacuated collector tube, the evacuated collector tube is made of dual-layer vacuum glass pipe, including inner glass tube and outer glass double-layer vacuum thermal-collecting tube, inner and outer pipes gap vacuumize process；Heat transmission fin metal tube and U-shaped heat conducting pipe are internally provided in evacuated collector tube, the radial section of heat transmission fin metal tube is the fin composition that an outer inscribed three pieces angle is 120 degree, heat transmission fin metal tube interior zone is separated into three regions by three pieces fin, two of them region stores heat transferring medium, an area filling heat-storage medium；U-shaped heat conducting pipe is set in two regions of filling heat transferring medium, the U-shaped heat conducting pipe is fixed on the position tangent with the midpoint of two adjacent fins of heat transmission fin metal tube.Solving heat cannot be removed by heat-absorbing medium in thermal-collecting tube in time in time, and heat transferring medium in evacuated collector tube is caused to heat up excessively high the problem of squeezing bad thermal-collecting tube.
Description
Technical field
The utility model relates to high temperature light-concentrating solar heat-collection field, more particularly to it is a kind of can heat accumulation non-imaged optically focused
Heat collector.
Background technique
Solar thermal collector is the main component for collecting solar energy.The various types of existing solar thermal collector, according to
Whether optically focused can be divided into: focus solar collector and non-concentrating type heat collector, and non-concentrating type heat collector product is poly- due to not having reflection
Light component, the thermal efficiency substantially reduce, and promoting the use of at present most is focus solar collector product.And focus solar collector
Product can divide again according to spot mode: for concentrating collector non-imaged concentrating collector is imaged.So-called non-imaging concentrator is exactly
Sun picture is not generated on thermal-collecting tube, the radiation of the sun focuses on thermal-collecting tube curved surface.It is then in thermal-arrest that concentrating collector, which is imaged,
Sun picture is formed on pipe, and the concentrating collector requirement tracking sun is imaged, and require to tracking accuracy relatively high.
The one kind of non-imaged concentrating collector as high temperature heat collector, can obtain higher heat-collecting temperature, answer extensively
For the productions such as industrial water heating, domestic heating, refrigeration air-conditioner and sphere of life.Only filling is in the thermal-collecting tube of heat collector at present
A kind of heat-storage medium, heat-transfer effect is poor, and heat cannot be removed by heat-absorbing medium in thermal-collecting tube in time in time, is easy to cause true
Bad thermal-collecting tube is squeezed in the heat-storage medium excessively high storage heat transferring medium expansion that heats up in empty set heat pipe, so influence the performance of heat collector product with
Service life, and photo-thermal efficiency is bad.
Utility model content
In view of the deficiencies of the prior art, the technical issues of the utility model intends to solve be to provide it is a kind of can heat accumulation it is non-at
As concentrating collector.The heat collector is situated between by filling the high heat exchange of thermal coefficient inside the finned tube that two angles are 120 degree
Matter, can efficiently solve heat cannot be removed by heat-absorbing medium in thermal-collecting tube in time in time, and then cause in evacuated collector tube
The problem of heat transferring medium heating is excessively high to squeeze bad thermal-collecting tube, the final performance and used life for influencing heat collector product.
The utility model solve the technical problem the technical solution adopted is that:
It is a kind of can heat accumulation non-imaged concentrating collector, including composite parabolic reflecting mirror and evacuated collector tube are described true
Empty set heat pipe is made of dual-layer vacuum glass pipe, including inner glass tube and outer glass double-layer vacuum thermal-collecting tube, and inner and outer pipes gap is taken out true
Vacancy reason；Heat transmission fin metal tube and U-shaped heat conducting pipe are internally provided in evacuated collector tube, it is characterised in that:
The radial section of heat transmission fin metal tube is the fin composition that an outer inscribed three pieces angle is 120 degree, three pieces wing
Heat transmission fin metal tube interior zone is separated into three regions by piece, and two of them region stores heat transferring medium, and a region is filled out
Fill heat-storage medium；The U-shaped heat conducting pipe of one-in-and-one-out is set in two regions of filling heat transferring medium, and the U-shaped heat conducting pipe is solid
It is scheduled on the position tangent with the midpoint of two adjacent fins of heat transmission fin metal tube.
U-shaped heat conducting pipe outside wall surface is evenly distributed with screw thread convex lines.
Heat transmission fin metal tube excircle and inner glass tube inner surface are in close contact, and heat transmission fin metal pipe outside diameter etc.
In vacuum heat-collecting bore.
The fill factor of the heat-storage medium and heat transferring medium is 80%.
Inside above-mentioned evacuated collector tube and U-shaped heat conducting pipe constitutes one group of thermal-collecting tube, the U-shaped heat conducting pipe in multiple groups thermal-collecting tube
It is sequentially connected in series.
The heat-storage medium be include at least one of phase-change material, novel LMP organic molten salt, inorganic salts, conduction oil,
The heat transferring medium is heat conductive silicon grease material.
The non-imaged concentrating collector further includes the micro- curved surface reflection device of side wall, and the micro- curved surface reflection device of side wall is arranged true
At empty set heat pipe and side wall mating interface position, the sunray to be emitted onto evacuated collector tube interface sides is reflected into very
On empty set heat pipe.
The micro- curved surface reflection device of side wall, including thermal insulation material, reflection unit stationary plane, rubber ring, reflecting mirror, heat preservation
Material is polyurethane material, is filled in the gap of evacuated collector tube side wall and reflection unit stationary plane；Reflection unit stationary plane
For the epoxy resin thermal insulation material of hard；The cross section of rubber ring is groove shapes, and centre bore is covered in evacuated collector tube external annulus
On face
The curvature specification of the reflecting mirror is that radius is 100mm, and angle value corresponding to arc length is 30 degree；The reflecting mirror
It is bonded together by high temperature resistant binder and reflection unit stationary plane, by rubber ring by reflecting mirror and reflection unit stationary plane
It is mounted in evacuated collector tube radial outer wall, and vertical with evacuated collector tube axis.
Compared with prior art, the utility model has the beneficial effects that
The utility model substantive distinguishing features outstanding are:
Compared with storage heat transferring medium is the heat collector of same medium, the medium for selecting specific heat capacity big heat accumulation, heat exchange choosing
With the big medium of thermal coefficient, can effectively solar radiation energy be absorbed and be stored by heat-storage medium in this way, avoided
Heat collector internal heat penetrates the problem that evacuated collector tube is scattered and disappeared outward in a manner of heat radiation, to reduce heat collector heat waste.
It, can be effective and by filling the high heat transferring medium of filling thermal coefficient inside the finned tube that other two angle is 120 degree
Ground, which solves heat, to be removed in time by heat-absorbing medium in thermal-collecting tube in time, and then heat transferring medium in evacuated collector tube is caused to heat up
It is excessively high to squeeze bad thermal-collecting tube, finally the problem of the performance and used life of influence heat collector product.
In particular, the beneficial effects of the utility model are as follows:
(1) the utility model can efficiently solve temperature distributing disproportionation in thermal-collecting tube by the way that heat transmission fin metal tube is arranged
Even problem, prevents local temperature from overheating, it is often more important that, moreover it is possible to the effect of augmentation of heat transfer is played, heat transfer rate is increased.
(2) the utility model increases a kind of new heat-conducting medium in evacuated collector tube, moreover it is possible to play the effect of augmentation of heat transfer
Fruit increases heat transfer rate, exists simultaneously two kinds of materials, by the way that heat-storage medium is selected different materials from heat transferring medium respectively
Material, the medium that heat-storage medium selects specific heat capacity big, the medium that heat transferring medium selects thermal coefficient big, so, with Chu Huanre
Medium is that the heat collector of same medium is compared, the medium for selecting specific heat capacity big heat accumulation, Jie that heat exchange selects thermal coefficient big
Matter effectively can absorb solar radiation energy and store, it is saturating to avoid heat collector internal heat by heat-storage medium in this way
The problem that evacuated collector tube is scattered and disappeared outward in a manner of heat radiation is crossed, to reduce heat collector heat waste.And by other two
The high heat transferring medium of filling filling thermal coefficient inside finned tube that angle is 120 degree, can efficiently solve heat cannot and
When removed in time by heat-absorbing medium in thermal-collecting tube, and then cause in evacuated collector tube heat transferring medium heating is excessively high to squeeze bad thermal-collecting tube,
The problem of final performance and used life for influencing heat collector product.
(3) the utility model greatly improves photothermal conversion rate by changing U-shaped heat conducting pipe structure and position.
Specifically, screw thread convex lines are evenly distributed on the outside of U-shaped heat conducting pipe, increase heat exchange area, and U-shaped heat conducting pipe is fixed
At the position tangent with heat-conducting metal fin midpoint, and the central axes of U-shaped heat conducting pipe and the central axes of evacuated collector tube are mutual
In parallel, when U-shaped heat conducting pipe arrangement is at this position, by the verifying of trnsys optical simulation software, photo-thermal efficiency is best, reachable
60%.Compared with U-shaped heat conducting pipe abutting is arranged on vacuum heat-collecting inside pipe wall, the thermal efficiency improves 3%.
(4) it according to the characteristic of heat-conducting metal finned tube structure, is stored up by being filled inside the finned tube that an angle is 120 degree
Thermal medium, fill factor 80% can be effectively the energy absorption of solar radiation and storage；And by other two folder
The high heat transferring medium of filling thermal coefficient inside the finned tube that angle is 120 degree, fill factor 80% can be in time by vacuum
The heat that thermal-collecting tube absorbs is removed, and the risk of evacuated collector tube internal temperature hot-spot is reduced.Evacuated collector tube and thermally conductive wing
Piece metal tube nozzle junction is sealed by sealing plug for pipe, prevents storage heat transferring medium leakage.
(5) the utility model embodiment is emitted onto vacuum heat-collecting interface tube by the micro- curved surface reflection device of side wall being arranged
The light at place, which is reflected on evacuated collector tube, to be efficiently solved evacuated collector tube connection place and cannot absorb sunlight, and luminous energy is caused
The problem of waste, makes full use of this part sunlight resource, improves the light gathering efficiency of heat collector, Jin Erti to a certain extent
The high utilization rate of solar energy.
(6) the utility model embodiment in evacuated collector tube by filling heat-storage medium, even if at night or overcast and rainy
It, can also realize the effect of cold water heats, well solve daytime too by the heat-storage medium heat release in evacuated collector tube
Sun radiation is good however water consumption is few, and demand big hot water supply and demand problem of disharmony when not having the sun at night, with it is traditional too
Solar energy vacuum pipe water heater must be equipped with heat storage water tank this equipment and compare, and not only eliminate water tank, but also also save land occupation
Area, it is often more important that reduce the initial investment cost of equipment.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model
Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 be the utility model embodiment 1 provide a kind of high efficiency low-loss can heat accumulation side wall heat collector main view
Figure；
Fig. 2 be the utility model embodiment 2 provide a kind of high efficiency low-loss can heat accumulation side wall heat collector left view
Figure；
Fig. 3 is the portion C enlarged drawing in Fig. 1 of the offer of the utility model embodiment 1；
Fig. 4 is the portion D enlarged drawing in Fig. 3 of the offer of the utility model embodiment 1；
Fig. 5 be a kind of high efficiency low-loss that provides of the utility model embodiment 2 can heat accumulation side wall micro- camber reflection dress
Set the cross-sectional view of evacuated collector tube structural schematic diagram；
Fig. 6 is the portion the E enlarged drawing for Fig. 2 that the utility model embodiment 2 provides；
Each symbol indicates that meaning is as follows in Fig. 1:
1 composite parabolic reflecting mirror, 2 evacuated collector tubes, 2-1 inner tube, 2-2 outer tube, 3U type heat conducting pipe, the micro- curved surface of 4 side walls
Reflection unit, 4-1 rubber ring, the micro- curved reflector of 4-2 side wall, 4-3 reflection unit stationary plane, 4-4 thermal insulation material, 5 thermally conductive wings
Piece metal tube, 6 heat transferring mediums, 7 heat-storage mediums, 8 sealing plug for pipe.
A-quadrant arrow is oriented to the sunlight incident direction for being irradiated to the micro- curved surface reflection device 4 of side wall, and B area arrow refers to
To the sunlight reflection direction being reflected into for reflex reflector on evacuated collector tube 2.
Specific embodiment
It is practical new to this below in conjunction with attached drawing to keep the purpose of this utility model, technical solution and advantage clearer
Type embodiment is described in further detail.
Embodiment 1
Referring to shown in Fig. 1, Fig. 3, Fig. 4, it is a kind of can heat accumulation non-imaged concentrating collector, including the micro- camber reflection dress of side wall
4 are set, by the way that reflecting mirror 4-2 is arranged at 2 interface position of evacuated collector tube, can effectively be emitted onto 2 interface of evacuated collector tube
The lateral sunray at position is reflected on evacuated collector tube 2, improves light gathering efficiency.The micro- curved surface reflection device 4 of side wall is set
It sets at 2 interface position of prior art evacuated collector tube；The micro- curved surface reflection device 4 of side wall includes thermal insulation material 4-4, reflection dress
Set the micro- curved reflector 4-2 of stationary plane 4-3, rubber ring 4-1, side wall；The evacuated collector tube 2 selects extra large Nader's brand vacuum collection
Heat pipe.The micro- curved reflector 4-2 curvature specification of side wall is that radius is 100mm, and angle value corresponding to arc length is 30 degree, tool
Body size depends on the size of composite parabolic reflecting mirror 1 and monolith heat collector；The micro- curved surface reflection device 4 of side wall is mounted on
On the interface outer wall circumference of evacuated collector tube 2, the prominent side wall reflecting mirror 4-2 axial plane 30mm of 2 both ends of the surface of evacuated collector tube, by resistance to
High temperature adhesive is fixed；The centre bore of the rubber ring 4-1 is sleeved on the outer wall of evacuated collector tube 2, is bonded by high temperature resistant
Agent is fixed；The cross section of the rubber ring 4-1 is groove shapes.
The micro- curved reflector 4-2 of side wall is a kind of optical material to be worked using reflection law, for changing light
The high reflectance smooth surface in direction, and be camber reflection, it is widely used in field of solar energy.
The micro- curved reflector 4-2 of side wall is tempered glass, in its glass back, is coated with metallic silver, constitutes optical reflection member
Part, reflecting mirror 4-2 are bonded together by high temperature resistant binder and reflection unit stationary plane 4-3, by rubber ring 4-1 by side wall
Micro- curved reflector 4-2 and reflection unit stationary plane 4-3 are mounted in 2 radial outer wall of evacuated collector tube, and with evacuated collector tube 2
Axis is vertical.
There are round hole inside the micro- curved reflector 4-2 of side wall, size depends on 2 outer diameter of evacuated collector tube, in round hole
It is provided with rubber ring 4-1, side wall micro- curved reflector 4-2 and reflection unit stationary plane 4-3 are mounted on by institute by rubber ring 4-1
It states in 2 radial outer wall of evacuated collector tube, and vertical with the axis of evacuated collector tube 2.
The thermal insulation material selects polyurethane material.
The reflection unit stationary plane be hard epoxy resin thermal insulation material, the epoxy resin thermal insulation material mainly by
The composition such as epoxy resin, curing agent, diluent, toughener, filler, aggregate and other auxiliary agents.
The working principle of the present embodiment: shown in Figure 3, the sunlight for being irradiated to the micro- curved surface reflection device 4 of side wall is incident
Direction A, the sunlight reflection direction B being reflected on evacuated collector tube 2.Since peace being arranged in 2 radial outer wall of evacuated collector tube
The micro- curved surface reflection device 4 of side wall has been filled, as sunlight incidence A, reflective B is carried out by the micro- curved surface reflection device 4 of side wall, it can be with
The sunlight that cannot be absorbed by evacuated collector tube 2 is reflected by the micro- curved surface reflection device 4 of side wall in the past after, light can be made
Line is radiated on evacuated collector tube 2, is absorbed by evacuated collector tube 2, to increase the solar radiation of the absorption of evacuated collector tube 2
Amount reduces relationship loss in this way.And the micro- curved surface reflection device of selection can be improved spotlight effect.
It, can be effective by installing the micro- curved surface reflection device of side wall in evacuated collector tube and heat collector frame interface position
The sunray for being emitted onto vacuum heat-collecting interface part position is reflected on evacuated collector tube, improves light gathering efficiency.In addition, passing through
The micro- curved surface reflection device 4 of side wall is set, height of the solar energy after avoiding solar energy and reflection to former thermal insulation material part
Temperature damage, extends the service life of thermal insulation material；Micro- 4 structure of curved surface reflection device of side wall is simple, is easily installed.
Embodiment 2
The present embodiment can heat accumulation non-imaged concentrating collector, including composite parabolic reflecting mirror 1, evacuated collector tube 2, side
The micro- curved surface reflection device 4 of wall, the evacuated collector tube 2 are made of dual-layer vacuum glass pipe, including inner glass tube 2-1 and outer glass pair
Layer evacuated collector tube 2-2, inner and outer pipes gap vacuumize process；Heat transmission fin metal tube 5 and U are internally provided in evacuated collector tube
Type heat conducting pipe 3, the radial section of heat transmission fin metal tube 5 are the fin composition that an outer inscribed three pieces angle is 120 degree, three pieces
5 interior zone of heat transmission fin metal tube is separated into three regions by fin, and two of them region stores heat transferring medium 6, an area
Fill heat-storage medium 7 in domain；The U-shaped heat conducting pipe of one-in-and-one-out, heat transmission fin gold are set in two regions of filling heat transferring medium
Belong to 5 round tube of pipe to be integrated with fin.Inside above-mentioned evacuated collector tube and U-shaped heat conducting pipe constitutes one group of thermal-collecting tube.
Arrange that multiple groups thermal-collecting tube, the U-shaped heat conducting pipe in multiple groups thermal-collecting tube are sequentially connected in series in one heat collector, each U
The single tube journey length of type heat conducting pipe is 1830mm, diameter 15mm, and U-shaped heat conducting pipe outside wall surface is evenly distributed with screw thread convex line
Item.
The heat transmission fin metal tube 5 is made of aluminum material, and is cylindrical structure, and the U-shaped heat conducting pipe 3 passes through weldering
The method of connecing is fixed on the position tangent with the midpoint of two adjacent fins of heat transmission fin metal tube 5.Heat-conducting metal fin is not only
Augmentation of heat transfer effect can be played, moreover it is possible to play the role of supporting fixed heat collector, increase heat transfer rate.
The outer condenser mirror 1 of the composite parabolic, for shape similar to W word shape, maximum sun acceptance angle is 70 degree, adjacent
Two composite parabolic reflecting mirrors, 1 outer edge closely connects, and the bottom of the composite parabolic reflecting mirror 1 is at jagged shape, point
Top is located at immediately below evacuated collector tube 2, with evacuated collector tube 2 at a distance of (20-50) mm.
The heat-storage medium 7 includes, but is not limited to this: phase-change material, novel LMP organic molten salt, customary inorganic salts,
Conduction oil etc., 7 range of heat-storage medium have good heat storage performance within the scope of (0-300) DEG C, are filled in heat transmission fin
In metal tube 5 and thermal-collecting tube annular gap, fill factor 80%, 2 one end of evacuated collector tube is sealed by sealing plug for pipe 8.
The heat transferring medium 6 is heat conductive silicon grease material, and the heat transferring medium 6 is in (0-300) DEG C with good
Heating conduction and stability, density is low, compared with same volume fused salt, quality be only its 1 percent, with the thermally conductive system of traditional fused salt
Number (0.5W/ (m DEG C)) compares, and heat-conducting silicone grease Heat Conduction Material thermal coefficient can reach 5W/ (m DEG C), heat transfer
Rate improves 10 times, so as to effectively prevent thermal accumlation to generate the phenomenon that hot-spot reduces heat collector properties of product hair
It is raw.The heat conductive silicon grease material is filled in heat transmission fin metal tube and U-shaped heat conducting pipe annular gap, fill factor 80%,
2 one end of evacuated collector tube is sealed by sealing plug for pipe 8.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (9)
1. one kind can heat accumulation non-imaged concentrating collector, including composite parabolic reflecting mirror and evacuated collector tube, the vacuum
Thermal-collecting tube is made of dual-layer vacuum glass pipe, including inner glass tube and outer glass double-layer vacuum thermal-collecting tube, inner and outer pipes gap vacuumize
Processing；Heat transmission fin metal tube and U-shaped heat conducting pipe are internally provided in evacuated collector tube, it is characterised in that:
The radial section of heat transmission fin metal tube is the fin composition that an outer inscribed three pieces angle is 120 degree, and three pieces fin will
Heat transmission fin metal tube interior zone is separated into three regions, and two of them region stores heat transferring medium, an area filling storage
Thermal medium；U-shaped heat conducting pipe is set in two regions of filling heat transferring medium, the U-shaped heat conducting pipe is fixed on and heat transmission fin
The tangent position in the midpoint of two adjacent fins of metal tube.
2. non-imaged concentrating collector according to claim 1, which is characterized in that U-shaped heat conducting pipe outside wall surface is uniformly distributed
There are screw thread convex lines.
3. non-imaged concentrating collector according to claim 1, which is characterized in that heat transmission fin metal tube excircle with it is interior
Glass pipe internal surface is in close contact, and heat transmission fin metal pipe outside diameter is equal to vacuum heat-collecting bore.
4. non-imaged concentrating collector according to claim 1, which is characterized in that the heat-storage medium and heat transferring medium
Fill factor is 80%.
5. non-imaged concentrating collector according to claim 1, which is characterized in that above-mentioned evacuated collector tube inside and U
Type heat conducting pipe constitutes one group of thermal-collecting tube, and the U-shaped heat conducting pipe in multiple groups thermal-collecting tube is sequentially connected in series.
6. non-imaged concentrating collector according to claim 1, which is characterized in that the heat-storage medium be include phase transformation material
At least one of material, novel LMP organic molten salt, inorganic salts, conduction oil, the heat transferring medium are heat conductive silicon grease material.
7. non-imaged concentrating collector according to claim 1, which is characterized in that the non-imaged concentrating collector further includes
The micro- curved surface reflection device of side wall, the micro- curved surface reflection device setting of side wall are used at evacuated collector tube and side wall mating interface position
It is reflected on evacuated collector tube with being emitted onto the sunray of evacuated collector tube interface sides.
8. non-imaged concentrating collector according to claim 1, which is characterized in that the micro- curved surface reflection device of side wall,
Including thermal insulation material, reflection unit stationary plane, rubber ring, reflecting mirror, thermal insulation material is polyurethane material, is filled in vacuum heat-collecting
In the gap of pipe side wall and reflection unit stationary plane；Reflection unit stationary plane is the epoxy resin thermal insulation material of hard；Rubber ring
Cross section be groove shapes, centre bore covers on evacuated collector tube outer ring wall surface.
9. non-imaged concentrating collector according to claim 1, which is characterized in that the curvature specification of the reflecting mirror is half
Diameter is 100mm, and angle value corresponding to arc length is 30 degree.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920039372.3U CN209431683U (en) | 2019-01-10 | 2019-01-10 | It is a kind of can heat accumulation non-imaged concentrating collector |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109579318A (en) * | 2019-01-10 | 2019-04-05 | 北京市热力集团有限责任公司 | A kind of high efficiency low-loss can heat accumulation non-imaged concentrating collector |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109579318A (en) * | 2019-01-10 | 2019-04-05 | 北京市热力集团有限责任公司 | A kind of high efficiency low-loss can heat accumulation non-imaged concentrating collector |
| CN109579318B (en) * | 2019-01-10 | 2024-06-04 | 北京市热力集团有限责任公司 | High-efficiency low-heat-loss heat-storable non-imaging concentrating collector |
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