CN109539606A - Built-in positive tetrahedron chamber pond boiling type solar heat absorber, solar thermal energy high temperature absorbs and storage method - Google Patents
Built-in positive tetrahedron chamber pond boiling type solar heat absorber, solar thermal energy high temperature absorbs and storage method Download PDFInfo
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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
Built-in positive tetrahedron chamber pond boiling type solar heat absorber, including heat dump ontology, heat-absorbing chamber component, absorbing pipe, heat-transfer working medium, heat dump body interior are chamber；Heat-absorbing chamber component is in positive tetrahedron shape, and the bottom opening of heat-absorbing chamber component；The bottom of heat-absorbing chamber component is installed on the intrinsic bottom of heat dump, is equipped with optics incident window in the bottom of heat dump ontology；For heat-absorbing chamber component by chamber isolation at two parts, a part of space that the bottom of the ontology of device assembly of absorbing heat and heat dump surrounds is heat-absorbing chamber, and another part space is heat exchanging chamber；Optics incident window installs absorbing pipe against heat-absorbing chamber in heat exchanging chamber, and heat-transfer working medium is equipped on heat-absorbing chamber component inner wall.Solar thermal energy high temperature absorbs and storage method, using above-mentioned built-in positive tetrahedron chamber pond boiling type solar heat absorber.The present invention has many advantages, such as that incident light utilization ratio height, optical and thermal energy high conversion efficiency, heat exchange loss are small.The invention belongs to solar collector technical fields.
Description
Technical field
The invention belongs to solar collector technical fields, and in particular to a kind of built-in positive tetrahedron chamber pond boiling type solar energy
Heat dump, a kind of solar thermal energy high temperature absorbs and storage method.
Background technique
As global energy crisis aggravates, energy problem becomes the worldwide problem of human survival and development.On the one hand,
With the consumption of the non-renewable energy resources such as coal and petroleum, people need to find the new stable energy gradually to get rid of to fossil
The dependence of the energy, on the other hand, with the increasingly serious environmental problems with reply climate change challenge needs, with solar energy,
Wind energy, the new energy that biomass energy is representative cause the more and more extensive concern in countries in the world.The sun is a huge energy
Source center, the solar energy for being irradiated to the earth are equivalent to the energy caused by 6,000,000 tons of standard coals that burns each second, it may be said that the sun
It can be inexhaustible clear energy sources.Therefore develop solar energy highly effective using not only reduce to fossil energy according to
Rely, and to energy-saving and emission-reduction, environment is protected to be of great significance.Solar energy heat utilization is that current Solar use is most square extensively
One of formula.According to Salar light-gathering form, solar energy thermal-power-generating can be divided mainly into slot type, tower and three kinds of dish-style at present.Wherein
Dish solar thermal power system is since focusing ratio is high, heat waste is small, and photoelectric efficiency is higher than the above two, therefore disc type solar energy generates electricity
Extensive concern of the system by researcher.
As the device that the sunlight of aggregation is converted to thermal energy or chemical energy in disc type solar energy moderate-high temperature heat utilization systems,
The photothermal conversion efficiency of cavity type heat absorber largely affects the application of whole system.For a long time, vast both at home and abroad
Person has done numerous studies to the geometrical characteristic and photothermal conversion performance of cavity type heat absorber, and the direction of research is concentrated mainly on reduction chamber
The heat waste of formula absorber and heat dump structure optimization on this basis.The heat waste of cavity type heat absorber mainly includes following three
Point: (1) optical loss that sunray by entrance aperture escaped；(2) heat dump passes through entrance aperture and extraneous convection losses；
(3) conductive heat loss of heat dump wall surface.In addition to this, heat dump geometrical characteristic of different shapes often results in incident heat flow density
Be unevenly distributed, lead to the appearance of local hot spot, substantially reduce the service life of equipment, in turn result in disc type solar energy heat
Cost of electricity-generating is high.
Summary of the invention
In view of the above-mentioned problems, the present invention provides the built-in positive tetrahedron that a kind of light incident efficiency is high, the photo-thermal loss of energy is few
Chamber pond boiling type solar heat absorber, it also has many advantages, such as, and convection losses are small, photothermal conversion efficiency is high.
It is a further object of the present invention to provide a kind of absorption of the solar thermal energy high temperature of light and heat energy high conversion efficiency and storage sides
Method.
Built-in positive tetrahedron chamber pond boiling type solar heat absorber, including heat dump ontology, heat-absorbing chamber component, absorbing pipe, biography
Hot working fluid, heat dump body interior are chamber；Heat-absorbing chamber component is in positive tetrahedron shape, and the bottom opening of heat-absorbing chamber component；It inhales
The bottom of hot chamber component is installed on the intrinsic bottom of heat dump, is equipped with optics incident window in the bottom of heat dump ontology；It inhales
For hot chamber component by chamber isolation at two parts, a part of space that the bottom of the ontology of device assembly of absorbing heat and heat dump surrounds is suction
Hot chamber, another part space are heat exchanging chamber；Optics incident window installs absorbing pipe against heat-absorbing chamber in heat exchanging chamber, and is inhaling
Hot chamber component inner wall is equipped with heat-transfer working medium；The wall of heat dump ontology has been embedded in heat preserving and insulating material.Using this structure, pass through
In the heat-absorbing chamber component of the chamber indoor location positive tetrahedron shape of heat dump ontology, thus by chamber isolation at heat-absorbing chamber and heat exchange
Chamber；By the heat-absorbing chamber of positive tetrahedron, the light of heat-absorbing chamber is transmitted by multipath reflection, to realize the absorption overwhelming majority
Transmitted light, light escape is few, and incident efficiency is high, and luminous energy is fully absorbed and utilized；Heat exchanging chamber Nell wall is equipped with heat transfer work
Matter, by the transmitting thermal energy of the heat-absorbing chamber component of positive tetrahedron shape, heat-transfer working medium is heated, boils, to build " pond boiling "
Effect improves heat flux distribution in heat exchanging chamber, avoids the formation of hot spot, reduces damage of the hot spot to spiraling, and improves light and heat energy conversion effect
Rate reduces heat-energy losses.
Preferably, optics incident window is circle, the positive tetrahedron vertex face optics incident window of heat-absorbing chamber component
The center of circle；Optics incident window includes inside and outside two layers of high transmission glass, and is vacuum layer between two layers of high transmission glass.Using this
Structure, optics incident window and heat-absorbing chamber face, further increase light incident efficiency, to absorb more luminous energy；Meanwhile optics
Incident window can preferably completely cut off intracavitary and extraneous, the heat exchange on the reduction inner and outer boundary of heat-absorbing chamber, and reduction thermal convection losses improve
Utilization efficiency of heat energy.
It preferably, further include annular plate, two layers of annular plate is parallelly mounted on the inner wall of heat-absorbing chamber component, two layers of ring
Heat exchanging chamber is isolated into three parts by shape floor, respectively heat exchange epicoele, heat exchange lumen, heat exchange cavity of resorption.Using this structure, circumferential rib
Plate can increase the hot-fluid disturbance of heat-transfer working medium steam, so that heat be made to be distributed inside heat exchanging chamber more rationally, promote heat and hand over
Change efficiency.
Preferably, in the shape of a spiral, absorbing pipe is close to the heat dump inner body wall in heat exchanging chamber to absorbing pipe, and absorbing pipe is upper and lower
End is connected with heat-storage medium inlet tube, heat-storage medium outlet respectively.Using this structure, absorbing pipe is close to inner wall, so that inhaling
Heat pipe wall more fully infiltrates in the steam of heat-transfer working medium, achievees the purpose that augmentation of heat transfer, and in tube fluid takes away in time
Wall heat, reduces conductive heat loss.
Preferably, heat-storage medium inlet tube, heat-storage medium outlet include the arc section successively to connect, straightway, directly
Line segment passes through heat dump ontology and is connected with external pipe, and arc section and absorbing pipe weld.Using this structure, pipeline row is simplified
Journey reduces facility load.
Preferably, heat dump ontology includes top cover, shell, bottom plate, and shell is cylindrical, and shell upper and lower end is flange
Portion, shell upper and lower end pass through flange portion respectively and are fixedly connected with top cover, bottom plate.Using this structure, structure is simple, installing and dismounting
It is convenient, while chamber is cylindrical, is easily installed heat-absorbing chamber component, to form heat-absorbing chamber and heat exchanging chamber.
Preferably, top cover, shell, bottom plate include inner wall, insulating layer, outer wall, and inner wall, outer wall are all made of stainless steel material
It is made, the insulating layer between inner and outer wall fills heat preserving and insulating material.It is preferably real to the indoor thermal energy of chamber using this structure
It now keeps the temperature, heat convection inside and outside chamber, exchange is preferably completely cut off by three layers structure.
Preferably, heat-transfer working medium uses one of thermally conductive heavy oil, fuse salt.Using this structure, heat-transfer working medium is easier
It is heated to boiling, vapor state, to more easily reach the boiling effect in heat exchanging chamber, it is easy to accomplish even heat, which is distributed in, to be changed
Heat is intracavitary.
Preferably, black coating is coated on the heat dump chamber component outer wall in heat-absorbing chamber.Using this structure, can effectively increase
Solar energy heat absorption.
Solar thermal energy high temperature absorbs and storage method, using above-mentioned built-in positive tetrahedron chamber pond boiling type solar heat absorber,
Sunray enters heat-absorbing chamber by optics incident window, and heat-absorbing chamber transfers heat to heat-transfer working medium, and heat-transfer working medium is heated to be melted
Change until vaporization, the heat-transfer working medium of vaporization are full of entire heat exchanging chamber, the heat-storage medium in absorbing pipe flows from above to below, vaporization
Heat-transfer working medium carries out heat exchange by heat absorption tube wall and heat-storage medium, and heat-storage medium constant temperature increases, to complete sunlight
The absorption of thermal energy and heat chemistry to heat-storage medium can convert.It, can be efficient by the heat-absorbing chamber of positive tetrahedron shape using this structure
Ground absorbs solar energy, and is converted to thermal energy；It is realized by heat exchanging chamber to thermal energy-efficient conversion of chemical energy-thermal energy, is realized again
Efficient solar thermal energy absorbs and storage.
Advantages of the present invention:
1, the V-type plate of the heat-absorbing chamber component of positive tetrahedron shape, 60 ° of openings having is reachable to the absorption efficiency of light
99% or more, the positive tetrahedron heat-absorbing chamber built in the cavity type heat absorber can be made due to special geometry into chamber
Light occurs multipath reflection and is absorbed, and sunray is relatively more difficult to escape, and reflection optical losses are few, effectively reduces optics damage
It loses.
Although 2, the transparent glass of entrance port can not wholly transmissive all incident rays, since it blocks the external world
The presence of convection current and two layers of transmissive glass middle vacuum layer between air and chamber, so that whole device and extraneous pair
Stream heat waste greatly reduces.
3, top cover, bottom plate, filled using high-temperature resistant thermal insulating material between shell, compared with the heat-insulating method vacuumized, fill out
It is more economical to fill adiabatic method, advantageously reduces solar heat power generation system cost
4, top cover, shell and pedestal are closely coupled by screw bolt and nut, and structure is simple, easy to disassemble, removable when necessary
It unloads and clears up, replace packing material, be convenient for later maintenance.
5, heat-transfer working medium is equipped on heat-absorbing chamber component inner wall, since low boiling point heat-transfer working medium absorption chamber can be inhaled in time
Heat on hot wall, and changing is the more uniform hot-fluid steam of temperature, carries out heat exchange, heat with the heat accumulation working medium of absorbing pipe
It is good to exchange effect；Simultaneously because the limitation and layering of annular plate, hot-fluid steam do increasingly complex between annular plate
Movement, enhances heat transfer, also avoid the incident ray direct irradiation of traditional heat sink device absorbing pipe and caused by Temperature Distribution
Extremely uneven and hot spot generation advantageously reduces the selection difficulty of material and extends service life of equipment.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of built-in positive tetrahedron chamber pond boiling type solar heat absorber.
Fig. 2 is the main view of built-in positive tetrahedron chamber pond boiling type solar heat absorber
Fig. 3 is sectional view along A-A in Fig. 2.
Fig. 4 is the top view of built-in positive tetrahedron chamber pond boiling type solar heat absorber.
Fig. 5 is the structural schematic diagram of top cover.
Fig. 6 is the structural schematic diagram of heat-storage medium inlet and outlet pipeline.
Fig. 7 is the top view of the integrated piping of built-in positive tetrahedron chamber pond boiling type solar heat absorber.
Fig. 8 is the cross-sectional view of B-B direction in Fig. 7.
Fig. 9 is the schematic perspective view of the integrated piping of built-in positive tetrahedron chamber pond boiling type solar heat absorber.
Figure 10 is the combination scheme of installation of heat-absorbing chamber component and annular plate.
Figure 11 is the overall structure diagram of built-in positive tetrahedron chamber pond boiling type solar heat absorber.
Wherein, 1- top cover；2- upper flange portion；3- inner walls；4- shell insulating layer；5- housing exterior walls；6- absorbing pipe；7-
Upper annular plate；Annular plate under 8-；9- heat-absorbing chamber component inner wall；10- heat-absorbing chamber component outer wall；11- optics incident window；
12- lower flange portion；13- bottom plate outer wall；14- bottom plate insulating layer；15- plate inner wall；Absorb heat wall under 16-；Absorb heat wall in 17-；18-
Upper heat absorption wall；19- nut；20- bolt；21- heat-storage medium inlet tube；22- heat-storage medium outlet；23- arc section, 24- are straight
Line segment.
Specific embodiment
The present invention is further illustrated with reference to the accompanying drawing.
Built-in positive tetrahedron chamber pond boiling type solar heat absorber includes heat dump ontology, heat-absorbing chamber component, absorbing pipe, heat transfer
Working medium.
Heat dump ontology top cover, shell, bottom plate.Top cover and bottom plate are in the form of annular discs, are equipped on top cover and bottom plate in ring
Multiple threaded holes of shape distribution.Shell is cylindrical, and shell upper and lower end is flange portion, and shell upper end is upper flange portion, shell
Lower end is lower flange portion.Flange portion outer diameter is bigger compared with body diameter, and the outer diameter of flange portion is identical with the diameter of top cover, bottom plate, method
It also is provided in blue portion and threaded hole corresponding on top cover, bottom plate.The flange portion and top cover of shell upper end are fixed by bolt, nut
Connection；The flange portion of shell lower end is fixedly connected with bottom plate by bolt, nut.
Bottom plate is equipped with optics incident window, and optics incident window is rounded.The diameter of optics incident window and bottom plate
Diameter is than being preferably 1:10.Optics incident window includes inside and outside two layers of high transmission glass, and is true between two layers of high transmission glass
Dead level.High transmission glass thickness is about 2mm.
After top cover, shell, bottom plate installation, inside forms the chamber of a hollow cylindrical.At the indoor bottom of chamber namely bottom
On plate, heat-absorbing chamber component is installed.Heat-absorbing chamber component is in positive tetrahedron shape, the lower ending opening of positive tetrahedron.The lower end of positive tetrahedron
Be mounted on bottom plate, and make positive tetrahedron upper end vertex face bottom plate on optics incident window the center of circle.Positive tetrahedron
A part of space that chamber isolation is surrounded at two parts, positive tetrahedron and bottom plate is heat-absorbing chamber, and the indoor another part of chamber is empty
Between (namely positive tetrahedron, shell, bottom plate surround space) be heat exchanging chamber.Sunlight is irradiated into heat-absorbing chamber, and heat-absorbing chamber carries out
The first run is directly absorbed heat, therefore the opposite side wall of heat-absorbing chamber component (i.e. positive tetrahedron) and optics incident window is defined as heat-absorbing chamber
The side wall of heat-absorbing chamber component against shell is defined as heat-absorbing chamber component inner wall by component outer wall.It is applied on heat dump chamber component outer wall
There is black coating, to preferably absorb the solar energy that transmission is come in.
Further to promote heat transfer effect, in the present embodiment, two are installed on heat-absorbing chamber component (i.e. positive tetrahedron) inner wall
Layer annular plate, respectively upper annular plate and lower annular plate, two layers of annular plate are installed in parallel；Annular plate and positive four sides
Internal wall surface angle is about 105~106 degree.Annular plate can be considered that the central axes around positive tetrahedron rotate.Positive tetrahedron
It may be selected to be made in red copper or beryllium-bronze with annular plate, positive tetrahedron inner wall and annular plate thickness are 1~3mm.
Heat exchanging chamber is separated into three parts by two annular plates, is from top to bottom respectively heat exchange epicoele, heat exchange lumen, heat exchange cavity of resorption；Two rings
Heat absorption cavity wall is divided into lower heat absorption wall, middle heat absorption wall, upper heat absorption wall by shape floor from the bottom to top.And in heat-absorbing chamber component
Wall is equipped with heat-transfer working medium.Heat-transfer working medium can be used, thermally conductive heavy oil, fuse salt, one of low-boiling sodium.Heat-transfer working medium is not
Before heated, it should it is tightly attached to heat-absorbing chamber component inner wall, it is heated to boil or suction be transferred heat to after undergoing phase transition
Heat pipe, and heat-absorbing chamber component inner wall can be gathered in again under the blocking of self gravity and annular plate after condensing
On.
Absorbing pipe is in the shape of a spiral.Absorbing pipe is mounted in the indoor heat exchanging chamber of chamber, and absorbing pipe is close to inner walls.It inhales
Heat pipe upper end is connected with heat-storage medium inlet tube, and absorbing pipe lower end is connected with heat-storage medium outlet.Energy heat-storage medium inlet tube,
Heat-storage medium outlet includes the arc section successively to connect, straightway, and straightway passes through heat dump ontology (namely top cover or bottom
Plate) it is connected with external pipe, arc section and absorbing pipe weld.
A kind of solar thermal energy high temperature absorbs and storage method, is energy storage Jie using thermally conductive heavy oil using metallic sodium as heat-transfer working medium
Matter；Sunlight is transmitted into heat-absorbing chamber by optics incident window, and heat-absorbing chamber transfers heat to heat-transfer working medium, heat-transfer working medium
Heated to melt until vaporization, the heat-transfer working medium of vaporization are full of entire heat exchanging chamber, the heat-storage medium in absorbing pipe flows from above to below,
The heat-transfer working medium of vaporization carries out heat exchange by heat absorption tube wall and heat-storage medium, and heat-storage medium constant temperature increases, to complete
The absorption of solar heat energy and heat chemistry to heat-storage medium can convert.
Top cover, shell, bottom plate include inner wall, outer wall, insulating layer, and insulating layer is set between inner and outer wall.It is inner wall, outer
Wall is all made of stainless steel material and is made, and the insulating layer between inner and outer wall fills heat preserving and insulating material.
The diameter of top cover is 1500~1600mm.It is closure head insulation layer between top cover inner wall and top cover outer wall.Closure head insulation
The material filled in layer is glass fibre, and insulation layer thickness is 30 to 50 millimeters.Glass fibre thermal coefficient is smaller.
Inner walls and housing exterior walls thickness are 5 to 7 millimeters.Shell insulation layer thickness is 35 to 50 millimeters.Shell
The outer diameter of flange portion is 1400~1500mm.The internal diameter of the cylinder of housing central section is 1300 to 1350mm.The cylinder of housing central section
Axial length be 1150 to 1200mm.
The diameter of bottom plate is 1400~1500mm, height about 50mm.Bottom plate outer wall thickness is about 3mm, is used to support and solid
Fixed entire heat dump.It is covered with corrosion resistant metal on plate inner wall, and is welded with heat-absorbing chamber component bottom.Plate inner wall and bottom plate
It is bottom plate insulating layer between outer wall.
The caliber of absorbing pipe about 6mm, pipe thickness about 1mm.Absorbing pipe uses corrosion-resistant, the good metal material of heating conduction
Material is made, such as can use stainless steel, red copper or beryllium-bronze.
Energy-accumulating medium inlet tube is identical with the specification of energy-accumulating medium outlet.The caliber of two pipes is about 50mm, and thickness of pipe wall is about
5mm, two pipes select corrosion resistant heat-conducting metal to be made.
The body shape of heat-absorbing chamber component is positive tetrahedron, and the bottom surface side length of heat-absorbing chamber component is 950 to 1050mm.According to
Geometric knowledge and optical reflection principle, heat-absorbing chamber component outside wall surface shape are three equal equilateral triangles, and face angle is 60 °, phase
When light being made to be absorbed through multiple reflections and be difficult to escape in three-dimensional V-type plate.
Above-described embodiment is to invent preferable embodiment, but embodiments of the present invention are not by the limit of above-described embodiment
System, other any changes, modifications, substitutions, combinations, simplifications made without departing from the spirit and principles of the present invention,
It should be equivalent substitute mode, be included within the scope of the present invention.
Claims (10)
- Positive tetrahedron chamber pond boiling type solar heat absorber built in 1., it is characterised in that: including heat dump ontology, heat-absorbing chamber component, Absorbing pipe, heat-transfer working medium, heat dump body interior are chamber；Heat-absorbing chamber component is in positive tetrahedron shape, and the bottom of heat-absorbing chamber component Portion's opening；The bottom of heat-absorbing chamber component is installed on the intrinsic bottom of heat dump, enters in the bottom of heat dump ontology equipped with optics Penetrate window；Heat-absorbing chamber component by chamber isolation at two parts, surround one of the bottom of the ontology of device assembly of absorbing heat and heat dump Dividing space is heat-absorbing chamber, and another part space is heat exchanging chamber；Optics incident window installs heat absorption against heat-absorbing chamber in heat exchanging chamber Pipe, and heat-transfer working medium is equipped on heat-absorbing chamber component inner wall；The wall of heat dump ontology has been embedded in heat preserving and insulating material.
- 2. built-in positive tetrahedron chamber pond boiling type solar heat absorber according to claim 1, it is characterised in that: optics entrance window Mouth is circle, the center of circle of the positive tetrahedron vertex face optics incident window of heat-absorbing chamber component；Optics incident window includes inside and outside Two layers of high transmission glass, and be vacuum layer between two layers of high transmission glass.
- 3. built-in positive tetrahedron chamber pond boiling type solar heat absorber according to claim 1, it is characterised in that: further include annular Floor, two layers of annular plate are parallelly mounted on the inner wall of heat-absorbing chamber component, and heat exchanging chamber is isolated into three by two layers of annular plate Point, the epicoele that respectively exchanges heat, heat exchange lumen, heat exchange cavity of resorption.
- 4. according to claim 1 or the 3 built-in positive tetrahedron chamber pond boiling type solar heat absorbers, it is characterised in that: absorbing pipe In the shape of a spiral, absorbing pipe be close to heat exchanging chamber in heat dump inner body wall, absorbing pipe upper and lower end respectively with heat-storage medium import Pipe, the connection of heat-storage medium outlet.
- 5. built-in positive tetrahedron chamber pond boiling type solar heat absorber according to claim 4, it is characterised in that: heat-storage medium into Mouth pipe, heat-storage medium outlet include the arc section successively to connect, straightway, and straightway passes through heat dump ontology and exterior tube Road is connected, and arc section and absorbing pipe weld.
- 6. built-in positive tetrahedron chamber pond boiling type solar heat absorber according to claim 1, it is characterised in that: heat dump ontology Including top cover, shell, bottom plate, shell is cylindrical, and shell upper and lower end is flange portion, and shell upper and lower end passes through flange respectively Portion is fixedly connected with top cover, bottom plate.
- 7. built-in positive tetrahedron chamber pond boiling type solar heat absorber according to claim 6, it is characterised in that: top cover, shell, Bottom plate includes inner wall, insulating layer, outer wall, and inner wall, outer wall are all made of stainless steel material and are made, the heat preservation between inner and outer wall Layer filling heat preserving and insulating material.
- 8. built-in positive tetrahedron chamber pond boiling type solar heat absorber according to claim 1, it is characterised in that: heat-transfer working medium is adopted With one of thermally conductive heavy oil, fuse salt.
- 9. built-in positive tetrahedron chamber pond boiling type solar heat absorber according to claim 1, it is characterised in that: in heat-absorbing chamber Black coating is coated on heat dump chamber component outer wall.
- 10. solar thermal energy high temperature absorbs and storage method, using any built-in positive tetrahedron chamber pond boiling type of claim 1-9 Solar heat absorber, it is characterised in that: sunray enters heat-absorbing chamber by optics incident window, and heat-absorbing chamber transfers heat to Heat-transfer working medium, heat-transfer working medium is heated to be melted until vaporization, the heat-transfer working medium of vaporization are full of entire heat exchanging chamber, the heat accumulation in absorbing pipe Medium flows from above to below, and the heat-transfer working medium of vaporization carries out heat exchange, heat-storage medium temperature by heat absorption tube wall and heat-storage medium It is lasting to increase, so that completing the absorption of solar heat energy and the heat chemistry to heat-storage medium can convert.
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| CN201811535579.6A CN109539606A (en) | 2018-12-14 | 2018-12-14 | Built-in positive tetrahedron chamber pond boiling type solar heat absorber, solar thermal energy high temperature absorbs and storage method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113865123A (en) * | 2021-09-30 | 2021-12-31 | 华南师范大学 | Solar energy storage device and heating equipment |
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