CN109442762A - A kind of centralized heat sink based on solar thermal utilization - Google Patents
A kind of centralized heat sink based on solar thermal utilization Download PDFInfo
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- CN109442762A CN109442762A CN201811245638.6A CN201811245638A CN109442762A CN 109442762 A CN109442762 A CN 109442762A CN 201811245638 A CN201811245638 A CN 201811245638A CN 109442762 A CN109442762 A CN 109442762A
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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 invention discloses a kind of centralized heat sink based on solar thermal utilization, including vacuum chamber, heat sink and support construction, wherein, the vacuum chamber upper wall includes photic zone, vacuum chamber side wall and lower wall include heat insulation layer, heat sink is mounted in vacuum chamber by support device, the heat sink includes multiple heat absorption plate units being arranged laterally side by side, the heat-absorbing chamber for working media flow is provided in each, heat-absorbing chamber one end is connected to working media input channel, the other end is connected to working media output channel, input channel and output channel are connected by the side wall of heat-absorbing chamber with the external world.Present invention employs heat absorption plate units side by side instead of the absorbing pipe of scattering device in the prior art, gap is not present between absorber plate, heat absorption efficiency is higher, and using the heat absorbing units of plate structure when increasing endotherm area, identical endotherm area, required heat absorbing units quantity is less, and compared with using absorbing pipe, hardware cost is lower.
Description
Technical field
The present invention relates to solar energy utilization technique fields more particularly to a kind of centralization based on solar thermal utilization to inhale
Thermal.
Background technique
Rely on the high-temperature power generation technology of solar energy because its efficiency is slightly higher and realizability is preferably in recent years by domestic and international
Market is pursued, 2016 in the world photo-thermal power generation installation total amount be 5,000,000 kilowatts.
It is existing a kind of based on the united solar light-heat power-generation system in vacant lot in order to meet the massive demand of photo-thermal power generation
(number of patent application: CN108449049A) uses aerial secondary reflection system, sunlight is converged and is formed greatly for high-energy light beam guiding
The endothermic system that area concentrates light source and is projected to ground, then the luminous energy of light source will be concentrated to turn by the heat sink in endothermic system
The interior energy of working media is turned to, and the working media after heating can flow to power generator for generating electricity.
In the prior art, traditional photo-thermal power generation mode mainly uses the scheme of distributed absorbing pipe, the master of the absorbing pipe
Wanting form is outer glass tube inner sleeve metal inner pipe, is vacuumized between glass and metal, and the length of single thermal-collecting tube is greater than 4m, and diameter is big
In 125mm, entire collecting system is by more absorbing pipe splicings serially at circuit.But it is traditional for large area concentrates light source
Single distribution absorbing pipe scheme is unable to satisfy application, and thermal-collecting tube in the prior art puts dispersion, if for absorbing the sun
The thermal energy for the high-energy light beam guiding that light pools, heat absorption efficiency is low, lower for the utilization rate of high-energy light beam guiding.
Therefore, how to fully absorb large area and concentrate the energy of light source, and improve heat absorption efficiency, become art technology
Personnel's urgent problem.
Summary of the invention
In view of the above shortcomings of the prior art, the invention discloses a kind of, and the centralization based on solar thermal utilization is inhaled
Thermal is not deposited between absorber plate using heat absorption plate unit side by side instead of the absorbing pipe of scattering device in the prior art
In gap, heat absorption efficiency is higher, and using the heat absorbing units of plate structure when increasing endotherm area, identical endotherm area,
Required heat absorbing units quantity is less, and compared with using absorbing pipe, hardware cost is lower.
In order to solve the above technical problems, present invention employs the following technical solutions:
A kind of centralized heat sink based on solar thermal utilization, including vacuum chamber, heat sink and support construction, wherein
The vacuum chamber upper wall includes photic zone, and vacuum chamber side wall and lower wall include heat insulation layer, and heat sink is installed by support device
In vacuum chamber, the heat sink includes multiple heat absorption plate units being arranged laterally side by side, and each interior be provided with is situated between for work
The dynamic heat-absorbing chamber of mass flow, heat-absorbing chamber one end are connected to working media input channel, and the other end is connected to working media output channel,
Input channel and output channel are connected by the side wall of heat-absorbing chamber with the external world.
Preferably, the side of heat insulation layer towards the vacuum chamber of the vacuum chamber side wall is additionally provided with visible light reflecting layer
Or infrared reflecting layer.
Preferably, the side of heat insulation layer towards the vacuum chamber of the vacuum chamber side wall and lower wall is additionally provided with infrared anti-
Penetrate layer.
Preferably, parallel interval is provided with multiple strip heat-absorbing chambers in every piece of heat absorption plate unit, each heat-absorbing chamber one end with
The connection of working media input channel, the other end are connected to working media output channel.
Preferably, the underface of corresponding heat-absorbing chamber is arranged in along heat-absorbing chamber length direction for input channel and output channel, and
Input channel and output channel extend towards the direction away from the heat-absorbing chamber being connected；The two piece suctions adjacent along heat-absorbing chamber length direction
Heat-absorbing chamber on heat-transfer sheet modules is interlaced along the projection of heat-absorbing chamber length direction and is not overlapped.
Preferably, the support construction includes more support columns, and support column is vertically provided at input channel and output channel
Gap between, described support column one end is connect with vacuum chamber lower wall, the other end with heat absorption plate unit lower surface connect.
Preferably, vacuum chamber is divided into upper vacuum chamber and lower vacuum chamber in vacuum chamber by absorber plate unit transverse setting,
The side of the heat insulation layer of the side wall of upper vacuum chamber towards vacuum chamber is provided with visible light reflecting layer and infrared reflecting layer, lower true
The side of the heat insulation layer of the side wall of cavity towards vacuum chamber is provided with infrared reflecting layer, the heat insulation layer direction of vacuum chamber lower wall
The side of vacuum chamber is provided with infrared reflecting layer, and heat absorption plate unit lower surface is provided with infrared reflecting layer.
It preferably, further include a vacuum pump, the vacuum pump is for guaranteeing that the vacuum degree in vacuum chamber is constant.
It preferably, further include vacuum meter and controller for vacuum pump, vacuum meter is electrically connected with controller for vacuum pump, vacuum pump control
Device processed is electrically connected with vacuum pump, and vacuum meter is used to monitor the vacuum degree in vacuum chamber, when vacuum degree is lower than vacuum degree in vacuum chamber
When lower limit value, controller for vacuum pump controls vacuum pump work, when vacuum degree reaches vacuum degree upper limit value in vacuum chamber, vacuum pump
Controller control vacuum pump stops working.
In conclusion the invention discloses a kind of centralized heat sink based on solar thermal utilization, including vacuum chamber,
Heat sink and support construction, wherein the vacuum chamber upper wall includes photic zone, and vacuum chamber side wall and lower wall include heat insulation layer,
Heat sink is mounted in vacuum chamber by support device, and the heat sink includes multiple absorber plate lists being arranged laterally side by side
Member, each interior heat-absorbing chamber being provided with for working media flow, heat-absorbing chamber one end are connected to working media input channel, the other end
It is connected to working media output channel, input channel and output channel are connected by the side wall of heat-absorbing chamber with the external world.The present invention adopts
With heat absorption plate unit side by side instead of the absorbing pipe of scattering device in the prior art, gap is not present between absorber plate, inhales
The thermal efficiency is higher, and using the heat absorbing units of plate structure when increasing endotherm area, identical endotherm area, required heat absorption
Element number is less, and compared with using absorbing pipe, hardware cost is lower.
Detailed description of the invention
In order to keep the purposes, technical schemes and advantages of invention clearer, the present invention is made into one below in conjunction with attached drawing
The detailed description of step, in which:
Fig. 1 is the structural schematic diagram of the centralized heat sink disclosed in the present application based on solar thermal utilization.
Fig. 2 is the configuration schematic diagram of the centralized heat sink disclosed in the present application based on solar thermal utilization.
Fig. 3 is the sectional view along AA of the centralized heat sink disclosed in the present application based on solar thermal utilization.
Fig. 4 is absorber plate cellular construction schematic diagram disclosed in the present application.
The corresponding relationship of numbering in the drawing are as follows: large area high-energy light beam guiding 1, photic zone 2, heat absorption plate unit 3, support construction 4,
Vacuum chamber 5, vacuum pump 6, vacuum pipe 7, input channel 8, output channel 9, heat insulation layer 10, infrared reflecting layer 11, visible light are anti-
Penetrate layer 12, heat-absorbing chamber 13.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawing.
As shown in Figures 1 to 4, the invention discloses a kind of centralized heat sink based on solar thermal utilization, including
Vacuum chamber, heat sink and support construction, wherein the vacuum chamber upper wall includes photic zone, and vacuum chamber side wall and lower wall include
Heat insulation layer, heat sink are mounted in vacuum chamber by support device, and the heat sink includes multiple being arranged laterally side by side
Absorb heat plate unit, and each interior heat-absorbing chamber being provided with for working media flow, heat-absorbing chamber one end and working media input channel connect
Logical, the other end is connected to working media output channel, and input channel and output channel are connected by the side wall of heat-absorbing chamber with the external world.
In the present invention, high-energy light beam guiding light transmission photic zone is radiated on heat absorption plate unit, and heat absorption plate unit heating, work is situated between
Matter is flowed by input channel from one end of heat-absorbing chamber, and the heat of heat absorption plate unit is absorbed in heat-absorbing chamber, another from heat-absorbing chamber
End flows into output channel.
Present invention employs side by side heat absorption plate unit instead of scattering device in the prior art absorbing pipe, absorber plate it
Between be not present gap, heat absorption efficiency is higher, and using plate structure heat absorbing units when increasing endotherm area, identical heat absorption
Area, required heat absorbing units quantity is less, and compared with using absorbing pipe, hardware cost is lower.
When it is implemented, to be additionally provided with visible light anti-for the side of heat insulation layer towards the vacuum chamber of the vacuum chamber side wall
Penetrate layer or infrared reflecting layer.
In order to further increase the utilization rate of high-energy light beam guiding, the side wall of vacuum chamber is provided with visible light reflecting layer, will shine
The high-energy light beam guiding for being mapped to vacuum chamber side wall reflexes in heat-absorbing chamber.Experiment and theoretical proof, the radiation of single object in overall situation
Heat exchange amount is directly proportional to the biquadratic of its surface thermodynamics temperature, therefore, in vacuum chamber, the raised heat absorption plate unit of temperature,
Working media, input channel and output channel can generate a large amount of heat radiations, so that heat is lost, and heat radiation is mostly with infrared heat
The form of radiation embodies, therefore, in the also settable infrared reflecting layer of the side wall of vacuum chamber, heat stream caused by reducing because of heat radiation
It loses, further improves the utilization rate of high-energy light beam guiding thermal energy.
When it is implemented, the side of heat insulation layer towards the vacuum chamber of the vacuum chamber side wall and lower wall be additionally provided with it is red
Outer reflective layer.
Experiment and theoretical proof, the biquadratic of the Radiant exothermicity of single object and its surface thermodynamics temperature in overall situation
Directly proportional, therefore, in vacuum chamber, the raised heat absorption plate unit of temperature, working media, input channel and output channel can be generated
A large amount of heat radiations, so that heat is lost, and heat radiation is embodied in the form of infrared emanation mostly, therefore, in the side of vacuum chamber
Wall and the also settable infrared reflecting layer of lower wall, heat losses caused by reducing because of heat radiation further improve high-energy light beam guiding heat
The utilization rate of energy.
When it is implemented, parallel interval is provided with multiple strip heat-absorbing chambers, each heat-absorbing chamber one in every piece of heat absorption plate unit
End is connected to working media input channel, and the other end is connected to working media output channel.
Since the input channel and output channel that connect on each heat absorption plate unit are mutually indepedent, and each heat-absorbing chamber is defeated
Enter pipeline and output channel is mutually indepedent, therefore, working media can be carried out in real time according to illumination and generation load situation
Scheduling and management.
In addition, other than above-mentioned form, it can also snakelike setting heat-absorbing chamber, such form, work on heat absorption plate unit
Time of the medium in heat-absorbing chamber is longer, and the heat of absorption is more.
When it is implemented, input channel and output channel along heat-absorbing chamber length direction be arranged in corresponding heat-absorbing chamber just under
Side, and input channel and output channel extend towards the direction away from the heat-absorbing chamber being connected；It is adjacent along heat-absorbing chamber length direction
Heat-absorbing chamber on two pieces of heat absorption plate units is interlaced along the projection of heat-absorbing chamber length direction and is not overlapped.
As shown in Fig. 2, (the heat absorption on i.e. each heat absorption plate unit because the heat-absorbing chamber of adjacent heat absorption plate unit is staggered
Spacing distance between chamber is more than or equal to the width of a heat-absorbing chamber, and the heat-absorbing chamber on any heat absorption plate unit is along heat absorption cavity length
Direction face with its heat-absorbing chamber length direction it is adjacent heat absorption plate unit heat-absorbing chamber between gap), so adjacent heat absorption
The input/output pipeline of plate unit is also staggered, this structurally reasonable space, the suction on each heat absorption plate unit to be utilized
Hot chamber has certain interval, not only can guarantee that each heat-absorbing chamber can be absorbed into enough heats, but also can be in heat absorption plate unit
The upper more heat-absorbing chambers of arrangement, guarantee fully absorb high-energy light beam guiding heat.
When it is implemented, the support construction includes more support columns, support column is vertically provided at input channel and output
Between the gap of pipeline, described support column one end is connect with vacuum chamber lower wall, and the other end is connect with heat absorption plate unit lower surface.
Support column setting avoids below heat absorption plate unit and blocks heat absorption plate unit, ensure that the utilization of high-energy light beam guiding
Rate, in addition, making to absorb heat between plate unit and vacuum chamber lower wall, there are certain distances, mention for the bending of input channel and output channel
Space is supplied, convenient for the connection of input channel and output channel and heat absorption plate unit.
When it is implemented, vacuum chamber is divided into upper vacuum chamber and lower vacuum in vacuum chamber by the setting of absorber plate unit transverse
The side of chamber, heat insulation layer towards the vacuum chamber of the side wall of upper vacuum chamber is provided with visible light reflecting layer and infrared reflecting layer,
The side of heat insulation layer towards the vacuum chamber of the side wall of lower vacuum chamber is provided with infrared reflecting layer, the heat insulation layer of vacuum chamber lower wall
The side of vacuum chamber is provided with infrared reflecting layer, heat absorption plate unit lower surface is provided with infrared reflecting layer.
As shown in figure 3, in the specific implementation, between the edge and vacuum chamber side wall of the heat sink of heat absorption plate unit composition
Can not retention gap, can guarantee in this way it is maximum absorb high-energy light beam guiding area.When being arranged in this way, high-energy light beam guiding can only shine
It is mapped to vacuum chamber, therefore only needs that visible light reflecting layer is arranged in upper vacuum chamber side wall, without being arranged in lower vacuum chamber side wall
Visible light reflecting layer has saved manufacturing cost.In addition, lower vacuum chamber forms a closed cavity, at this time in heat absorption plate unit
Lower surface is also provided with infrared reflecting layer (not shown), and lower vacuum chamber can be made to keep a higher temperature, reduces working media
It flows into after output channel because of thermal loss caused by heat radiation.
When it is implemented, further including a vacuum pump, the vacuum pump is for guaranteeing that the vacuum degree in vacuum chamber is constant.
When it is implemented, further including vacuum meter and controller for vacuum pump, vacuum meter is electrically connected with controller for vacuum pump, vacuum
Pump controller is electrically connected with vacuum pump, and vacuum meter is used to monitor the vacuum degree in vacuum chamber, when vacuum degree is lower than very in vacuum chamber
When reciprocal of duty cycle lower limit value, controller for vacuum pump controls vacuum pump work, when vacuum degree reaches vacuum degree upper limit value in vacuum chamber, very
Empty pump controller control vacuum pump stops working.
Vacuum pump is connect by vacuum pipe with vacuum chamber, carries out vacuum degree holding to vacuum chamber, makes to keep in vacuum chamber
Certain vacuum degree reduces heat loss, improves the thermal efficiency of system so as to significantly reduce heat convection.
In existing heat sink, often vacuumize when leaving the factory, but as time goes by, its in use process
Vacuum degree can decline, and increase so as to cause the loss of heat.Also, it is single in the prior art, due to the independent vacuum tube of use
Plane product keeps the cost of vacuum excessively high, and the heat sink in the present invention, using the heat sink of plate, endotherm area
It is larger, therefore each heat sink need to only install a vacuum pump, unit area keeps vacuum, and cost is relatively low.
Specific implementation ground, the photic zone transmission loss is small, and reflection loss is small, using glass (such as Pyrex) or film
Material is made.
Specific implementation ground, the visible light reflecting layer can be bead reflective membrane, generally comprise by surface layer (protective film),
The membrane structures of the multilayers different materials such as reflecting layer (functional membrane), base's (carrier film), adhesive layer and bottom (protective layer) composition
Body.
Specific implementation ground, the infrared reflecting layer can for by nano-metal-oxide and resin by it is compound obtain it is infrared
Shielding material is made, and infrared barrier rate is up to 67 ~ 77%.
Lightweight, loose, porous fibrous and small thermal coefficient material can be used in specific implementation ground, the heat insulation layer,
Common insulation layer material has asbestos product, mineral wool product, glass wool product etc..
Specific implementation ground, the heat-sink shell are light absorbent resistant to high temperature, such as the stainless steel SS347H type with heat absorbing coating
Material, heatproof are 800 DEG C, and absorptivity can be to 96%.
Finally, it is stated that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although passing through ginseng
According to the preferred embodiment of the present invention, invention has been described, it should be appreciated by those of ordinary skill in the art that can
To make various changes to it in the form and details, without departing from the present invention defined by the appended claims
Spirit and scope.
Claims (9)
1. a kind of centralized heat sink based on solar thermal utilization, including vacuum chamber, heat sink and support construction,
In, the vacuum chamber upper wall includes photic zone, and vacuum chamber side wall and lower wall include heat insulation layer, and heat sink is pacified by support device
In vacuum chamber, which is characterized in that the heat sink includes multiple heat absorption plate units being arranged laterally side by side, each interior to set
It is equipped with the heat-absorbing chamber for working media flow, heat-absorbing chamber one end is connected to working media input channel, the other end and working media
Output channel connection, input channel and output channel are connected by the side wall of heat-absorbing chamber with the external world.
2. the centralized heat sink based on solar thermal utilization as described in claim 1, which is characterized in that the vacuum chamber
The side of the heat insulation layer of side wall towards vacuum chamber is additionally provided with visible light reflecting layer or infrared reflecting layer.
3. the centralized heat sink based on solar thermal utilization as claimed in claim 1 or 2, which is characterized in that described true
The side of the heat insulation layer of cavity sidewalls and lower wall towards vacuum chamber is additionally provided with infrared reflecting layer.
4. the centralized heat sink based on solar thermal utilization as described in claim 1, which is characterized in that every piece of absorber plate
Parallel interval is provided with multiple strip heat-absorbing chambers in unit, and each heat-absorbing chamber one end is connected to working media input channel, another
End is connected to working media output channel.
5. the centralized heat sink based on solar thermal utilization as claimed in claim 4, which is characterized in that input channel and
The underface of corresponding heat-absorbing chamber is arranged in along heat-absorbing chamber length direction for output channel, and input channel and output channel are towards away from phase
The direction of the heat-absorbing chamber of connection extends；Heat-absorbing chamber on two pieces of heat absorption plate units adjacent along heat-absorbing chamber length direction is along heat-absorbing chamber
The projection of length direction is interlaced and is not overlapped.
6. the centralized heat sink based on solar thermal utilization as claimed in claim 5, which is characterized in that the support knot
Structure includes more support columns, and support column is vertically provided between input channel and the gap of output channel, described support column one end
It is connect with vacuum chamber lower wall, the other end is connect with heat absorption plate unit lower surface.
7. the centralized heat sink based on solar thermal utilization as described in claim 1, which is characterized in that heat absorption plate unit
It is horizontally installed in vacuum chamber and vacuum chamber is divided into upper vacuum chamber and lower vacuum chamber, the heat insulation layer direction of the side wall of upper vacuum chamber
The side of vacuum chamber is provided with visible light reflecting layer and infrared reflecting layer, and the heat insulation layer of the side wall of lower vacuum chamber is towards vacuum
The side in intracavitary portion is provided with infrared reflecting layer, and the side of heat insulation layer towards the vacuum chamber of vacuum chamber lower wall is provided with infrared
Reflecting layer, heat absorption plate unit lower surface are provided with infrared reflecting layer.
8. the centralized heat sink based on solar thermal utilization as described in claim 1, which is characterized in that further include one
Vacuum pump, the vacuum pump is for guaranteeing that the vacuum degree in vacuum chamber is constant.
9. the centralized heat sink based on solar thermal utilization as claimed in claim 8, which is characterized in that further include vacuum
Meter and controller for vacuum pump, vacuum meter are electrically connected with controller for vacuum pump, and controller for vacuum pump is electrically connected with vacuum pump, vacuum meter
For monitoring the vacuum degree in vacuum chamber, when vacuum degree is lower than vacuum degree lower limit value in vacuum chamber, controller for vacuum pump control
Vacuum pump work, when vacuum degree reaches vacuum degree upper limit value in vacuum chamber, controller for vacuum pump control vacuum pump stops working.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811245638.6A CN109442762A (en) | 2018-10-24 | 2018-10-24 | A kind of centralized heat sink based on solar thermal utilization |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811245638.6A CN109442762A (en) | 2018-10-24 | 2018-10-24 | A kind of centralized heat sink based on solar thermal utilization |
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| Publication Number | Publication Date |
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| CN109442762A true CN109442762A (en) | 2019-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811245638.6A Pending CN109442762A (en) | 2018-10-24 | 2018-10-24 | A kind of centralized heat sink based on solar thermal utilization |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111998549A (en) * | 2020-09-02 | 2020-11-27 | 宁波盾科新材料有限公司 | Vacuum flat-plate solar collector |
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|---|---|---|---|---|
| US4133299A (en) * | 1976-07-15 | 1979-01-09 | Halm Instrument Co. Inc. | Solar heat absorber plate |
| CN101922816A (en) * | 2010-07-14 | 2010-12-22 | 北京航空航天大学 | Solar selective absorbing coating and preparation method thereof |
| CN102538235A (en) * | 2012-01-19 | 2012-07-04 | 湖北贵族真空科技股份有限公司 | Panel solar thermal collector |
| CN103104993A (en) * | 2011-11-14 | 2013-05-15 | 梅建中 | Flat-plate solar heat-collector |
| CN207350927U (en) * | 2017-06-15 | 2018-05-11 | 天津市金润天太阳能科技有限公司 | A kind of new and effective flat-plate solar collector |
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2018
- 2018-10-24 CN CN201811245638.6A patent/CN109442762A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4133299A (en) * | 1976-07-15 | 1979-01-09 | Halm Instrument Co. Inc. | Solar heat absorber plate |
| CN101922816A (en) * | 2010-07-14 | 2010-12-22 | 北京航空航天大学 | Solar selective absorbing coating and preparation method thereof |
| CN103104993A (en) * | 2011-11-14 | 2013-05-15 | 梅建中 | Flat-plate solar heat-collector |
| CN102538235A (en) * | 2012-01-19 | 2012-07-04 | 湖北贵族真空科技股份有限公司 | Panel solar thermal collector |
| CN207350927U (en) * | 2017-06-15 | 2018-05-11 | 天津市金润天太阳能科技有限公司 | A kind of new and effective flat-plate solar collector |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111998549A (en) * | 2020-09-02 | 2020-11-27 | 宁波盾科新材料有限公司 | Vacuum flat-plate solar collector |
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Application publication date: 20190308 |