CN110260533A - Displacement air heat dump with honeycomb heat exchanger fin - Google Patents
Displacement air heat dump with honeycomb heat exchanger fin Download PDFInfo
- Publication number
- CN110260533A CN110260533A CN201910496832.XA CN201910496832A CN110260533A CN 110260533 A CN110260533 A CN 110260533A CN 201910496832 A CN201910496832 A CN 201910496832A CN 110260533 A CN110260533 A CN 110260533A
- Authority
- CN
- China
- Prior art keywords
- heat exchanger
- cavity
- exchanger fin
- inner casing
- honeycomb
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S20/00—Solar heat collectors specially adapted for particular uses or environments
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S23/00—Arrangements for concentrating solar-rays for solar heat collectors
- F24S23/30—Arrangements for concentrating solar-rays for solar heat collectors with lenses
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S23/00—Arrangements for concentrating solar-rays for solar heat collectors
- F24S23/70—Arrangements for concentrating solar-rays for solar heat collectors with reflectors
- F24S23/82—Arrangements for concentrating solar-rays for solar heat collectors with reflectors characterised by the material or the construction of the reflector
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S60/00—Arrangements for storing heat collected by solar heat collectors
- F24S60/10—Arrangements for storing heat collected by solar heat collectors using latent heat
-
- 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
Abstract
The present invention provides a kind of displacement air heat dumps with honeycomb heat exchanger fin, comprising: shell；Inner casing, fixed setting are in cone tube shape inside the shell, have big end and small end, and the inner space of inner casing forms the first cavity, and the space between inner casing and shell forms the second cavity；Quartz glass plate is fixed on small end；At least one heat exchanger fin is separately positioned in the first cavity and is arranged along the axial parallel interval of inner casing；At least one admission line is connected to, for delivering air to the inside of the first cavity at the position of small end with the first cavity；And at least one outlet pipe, it is communicated at the position of big end with the first cavity, for the air of the first cavity to be exported, wherein, heat exchanger fin has multiple connecting rods and multiple microcapsule phase-change particles, multiple connecting rods surround polygon ring-type by multiple annulus to form honeycomb, and multiple microcapsule phase-change particles are respectively embedded into multiple annulus.
Description
Technical field
The invention belongs to displacement air heat dump technical fields, and in particular to a kind of appearance with honeycomb heat exchanger fin
Product formula air heat-absorbing device.
Background technique
Solar light-heat power-generation technical field not can be carried out straight since the energy-flux density of the Radiation resource of solar energy is low
The acquisition connect utilizes, and must often gather the solar energy of large area and carry out photothermal conversion in heat dump, makes stream in heat dump
Dynamic working medium obtains thermal energy, pushes thermoelectric conversion device work by high temperature and pressure working medium, then realizes and be converted to solar energy
The output of high-grade energy.
Heat dump is the core apparatus of sunlight luminous energy conversion, is influenced on the operational efficiency of entire solar energy thermo-power station aobvious
It writes.In order to effectively promote the efficiency of solar light-heat power-generation, generally by the pressure and temperature for improving air working medium, this is just
The heat dump needed to configure is able to bear high temperature and pressure.Further, since the solar energy density of condenser supply is huge, and
Energy flow distribution is uneven, is easy to form local high temperature difference in the receiving surface of heat dump or inside heat dump, so as to cause suction
The damage of hot device.
Therefore, how to solve the problems, such as that heat dump internal temperature is non-uniform to reduce the spoilage of heat dump, reduce the sun
The light escape possibility and this series of problems of high temperature high voltage resistant of light become among in weight.
Summary of the invention
The present invention is to carry out to solve the above-mentioned problems, and it is an object of the present invention to provide a kind of with honeycomb heat exchanger fin
Displacement air heat dump can be such that temperature is uniformly distributed during sunlight luminous energy is converted to thermal energy.
In order to achieve the above-mentioned object of the invention, present invention employs following technical solutions:
The present invention provides a kind of displacement air heat dump with honeycomb heat exchanger fin, for by the light of sunlight
The thermal energy of air can be converted into characterized by comprising shell；Inner casing, fixed setting inside the shell, are in cone tube shape, have
The inner space of big end and small end, inner casing forms the first cavity, and the space between inner casing and shell forms the second cavity；Quartz
Sheet glass is fixed on small end, be incident in the first cavity for sunlight and prevent sunlight in the first cavity to
External radiation and convection current；At least one heat exchanger fin is separately positioned in the first cavity and is arranged along the axial parallel interval of inner casing, uses
In sunlight is converted to thermal energy；At least one admission line is connected at the position of small end with the first cavity, and being used for will be empty
Gas is transported to the inside of the first cavity；And at least one outlet pipe, it communicates, uses at the position of big end with the first cavity
It is exported in by the air of the first cavity, wherein heat exchanger fin has multiple connecting rods and multiple microcapsule phase-change particles, multiple connecting rods
Polygon ring-type is surrounded to form honeycomb by multiple annulus, and multiple microcapsule phase-change particles are respectively embedded into multiple annulus
It is interior.
Displacement air heat dump provided by the invention with honeycomb heat exchanger fin, can also have such spy
Sign: where connecting rod and annulus are made of metal material.
Displacement air heat dump provided by the invention with honeycomb heat exchanger fin, can also have such spy
Sign: where the length of connecting rod is 3-5mm, and the length of the connecting rod on the heat exchanger fin of small end is greater than the heat exchanger fin far from small end
On connecting rod length.
Displacement air heat dump provided by the invention with honeycomb heat exchanger fin, can also have such spy
Sign: where the capsule-core that microcapsule phase-change particle has cyst wall and wrapped up by cyst wall, cyst wall are polyethylene, polyureas and epoxy
The mixture of one of resin or more, capsule-core are one of the crystallization water, salt, paraffin and branched paraffin or more
Mixture.
Displacement air heat dump provided by the invention with honeycomb heat exchanger fin, can also have such spy
Sign: further include: ceramic reflecting body is fixed in big end, for will sequentially pass through at least one heat exchanger fin in the first cavity
Sunlight afterwards is reflected on the side wall of inner casing, and admission line is also connected at the position of small end with the second cavity, escape pipe
Road is also connected at the position of big end with the second cavity.
Displacement air heat dump provided by the invention with honeycomb heat exchanger fin, can also have such spy
Sign: where ceramic reflecting body towards the inside of inner casing one end in coniform, cone angle α, 140 °≤α≤160 °.
Displacement air heat dump provided by the invention with honeycomb heat exchanger fin, can also have such spy
Sign: further include: at least one heat exchange component is separately mounted on the outer surface of inner casing, for will be reflected to the side wall of inner casing
Sunlight be converted to thermal energy.
Displacement air heat dump provided by the invention with honeycomb heat exchanger fin, can also have such spy
Sign: where heat exchange component is the mane bruss of strip, at least one mane bruss is arranged along the circumferencial direction interval of inner casing.
Displacement air heat dump provided by the invention with honeycomb heat exchanger fin, can also have such spy
Sign: further include: insulating layer, the insulating layer are wrapped on the outer surface of shell.
Displacement air heat dump provided by the invention with honeycomb heat exchanger fin, can also have such spy
Sign: where the cone angle of inner casing be β, 60 °≤β≤80 °, wherein the shape of shell is cylindrical.
Invention action and effect
The displacement air heat dump with honeycomb heat exchanger fin being related to according to the present invention, due to shell, consolidating
Inner casing, quartz glass plate and at least one heat exchanger fin in the shell be set calmly, inner casing in coniform, have big end and
Small end, quartz glass plate are fixed on small end, it can be ensured that prevent from being incident on the sunlight of inner housing inner to external radiation and
Convection current, the inner space that at least one heat exchanger fin is separately positioned on inner casing are formed by the first cavity and flat along the axial direction of inner casing
There are multiple connecting rods and multiple microcapsule phase-change particles, multiple connecting rods to be surrounded by multiple annulus for row interval setting, heat exchanger fin
Polygon cyclic annular to form honeycomb, multiple microcapsule phase-change particles are respectively embedded into multiple annulus, can make sunlight
Luminous energy is effectively converted into thermal energy, and temperature is uniformly distributed, and overcomes the problem of heat dump interior temperature distribution unevenness.
Detailed description of the invention
Fig. 1 is in the embodiment of the present invention include modular microfluidic capsule phase change material displacement air heat dump knot
Structure schematic diagram；And
Fig. 2 is the structural schematic diagram of heat exchanger fin in the embodiment of the present invention.
Specific embodiment
It is described further below with reference to technical effect of the attached drawing to design of the invention, specific structure and generation, with
It is fully understood from the purpose of the present invention, feature and effect.
Fig. 1 is in the embodiment of the present invention include modular microfluidic capsule phase change material displacement air heat dump knot
Structure schematic diagram.
As shown in Figure 1, in the present embodiment include modular microfluidic capsule phase change material displacement air heat dump
100, for promoting the exchange capability of heat of solar photovoltaic/photothermal conversion, including fixed frame (not shown), shell 13, inner casing 11, stone
4, three heat exchanger fins 3 of English sheet glass, 5, four heat exchange components 7 of ceramic reflecting body, admission line 8, outlet pipe 9 and insulating layer
6。
Fixed frame, for displacement air heat dump to be fixedly mounted.
As shown in Figure 1, shell 13 is cylindrical, it is fixed on fixed frame.Shell 13 is by metal material resistant to high temperature
It is made, high temperature and pressure can be born.
As shown in Figure 1, inner casing 11 is in cone tube shape, there is big end and small end, be mounted on inside shell 13.Inner casing 11
Inner space forms the first cavity 12, and the space between inner casing 11 and shell 13 forms the second cavity 10.Inner casing 11 is by high temperature resistant
Metal material be made, high temperature and pressure can be born.In the present embodiment, the cone angle of inner casing 11 be β, 60 °≤β≤80 °.
As shown in Figure 1, quartz glass plate 4 is mounted at 11 small end of inner casing, the first cavity 12 is incident on for sunlight S2
It is interior and prevent sunlight S2 in the first cavity 12 to external radiation and convection current.
Fig. 2 is the structural schematic diagram of heat exchanger fin in the embodiment of the present invention.
As depicted in figs. 1 and 2, three heat exchanger fins 3 are separately positioned in the first cavity 12 and between inner casing 11 is axial in parallel
Every setting, for the luminous energy for being incident on the sunlight S2 of inner casing 11 to be converted to thermal energy and reduces the escape of sunlight S2.Heat exchange
Piece 3 is made of multiple microcapsule phase-change particles 1, multiple annulus 14 and multiple connecting rods 2.
The capsule-core that microcapsule phase-change particle 1 has cyst wall and wrapped up by cyst wall, cyst wall are polyethylene, polyureas and epoxy
The mixture of one of resin or more, capsule-core are one of the crystallization water, salt, paraffin and branched paraffin or more
Mixture.
Multiple connecting rods 2 surround polygon ring-type by multiple annulus 14, form honeycomb, on the heat exchanger fin 3 of small end
Multiple connecting rods 2 length be greater than far from small end heat exchanger fin 3 on multiple connecting rods 2 length, pass through the length of multiple connecting rods 2
Variation change the density degree of heat exchanger fin 3, multiple microcapsule phase-change particles 1 are embedded in multiple annulus 14, and three heat exchanger fins 3 have
There are different multiple microcapsule phase-change particles.In the present embodiment, connecting rod 2 and annulus 14 are made of metal material；Connecting rod 2
Length is 3-5mm, and the diameter of annulus 14 is 5-8mm.
As shown in Figure 1, ceramic reflecting body 5 is mounted at 11 big end of inner casing, for will pass through heat exchanger fin 3 in the first cavity 12
Sunlight S2 afterwards is reflected on the side wall of inner casing 11.In the present embodiment, ceramic reflecting body 5 towards the inside of inner casing 11 one
End is in coniform, cone angle α, and 140 °≤α≤160 °.
As shown in Figure 1, four heat exchange components 7 are located in the second cavity 10 and are arranged at intervals on 11 outer surface of inner casing, use
It exchanges heat in the hot-fluid on 11 side wall of inner casing.In the present embodiment, heat exchange component 7 is the mane bruss of strip.
As shown in Figure 1, admission line 8 connects at the position of small end respectively with the first cavity 12 and the second cavity 10
It is logical, for air S1 to be transported to the inside of the first cavity 12 and the second cavity 10.
As shown in Figure 1, outlet pipe 9 is connect at the position of big end with the second cavity 10, the shell wall of inner casing 11 is being leaned on
It is provided with through-hole (not shown) at the position of nearly big end, the through-hole is for making the first cavity 12 be connected with the second cavity 10
It is logical.In this way, from admission line 8 enter air S1 exchange heat in the second cavity 10 and the first cavity 12 to hot-fluid after from go out
Feed channel 9 flows out.
As shown in Figure 1, insulating layer 6 is wrapped on the outer surface of shell 13, for reducing the external heat of the thermal energy after conversion
Loss.
The present embodiment include modular microfluidic capsule phase change material displacement air heat dump 100 working principle
Are as follows:
Sunlight from quartz glass plate 4 inject inner casing 11, across it is closer and closer and have different multiple microcapsule granules 1
Three heat exchanger fins 3 after, be reflected on 11 side wall of inner casing by ceramic reflecting body 5, three heat exchanger fins 3 convert the luminous energy of sunlight
For thermal energy, the sunlight being refracted on inner wall is converted to thermal energy by four heat exchange components 7, and air enters first from admission line 8
Cavity 12 and the second cavity 10 exchange heat the thermal energy after the luminous energy conversion of sunlight in the first cavity 12 and the second cavity 10
After extraction, air is flowed out from outlet pipe 9.
Embodiment action and effect
The displacement air heat dump with honeycomb heat exchanger fin being related to according to the present embodiment, due to shell,
Inner casing, quartz glass plate and at least one heat exchanger fin being fixed in the shell, inner casing in coniform, have big end with
And small end, quartz glass plate are fixed on small end, it can be ensured that prevent the sunlight for being incident on inner housing inner to external radiation
And convection current, the inner space that at least one heat exchanger fin is separately positioned on inner casing are formed by the first cavity and along the axial direction of inner casing
There are multiple connecting rods and multiple microcapsule phase-change particles, multiple connecting rods to be enclosed by multiple annulus for parallel interval setting, heat exchanger fin
At polygon ring-type to form honeycomb, multiple microcapsule phase-change particles are respectively embedded into multiple annulus, can make sunlight
Luminous energy be effectively converted into thermal energy, and temperature is uniformly distributed, and overcomes the problem of heat dump interior temperature distribution unevenness.
In addition, being provided with ceramic reflecting body in inner casing big end due to being arranged, it can be ensured that reduce the sun using diffusing reflection
The escape of light.
Further, since being provided with the mane bruss that the heat exchange component invested on inner casing outside is strip, can will be reflected to interior
Sunlight on the side wall of shell is converted to thermal energy.
In addition, different heat exchanger fins has different multiple microcapsule phase-change particles, different multiple microcapsule phase-changes
The phase-change thermal storage ability of grain is different, and in the incident direction of sunlight, heat exchanger fin is closer and closer, it is ensured that injects the sun of inner casing
After heat exchanger fin, the heat generating temperature that the luminous energy of sunlight is converted into is evenly distributed light, can be avoided high temperature difference.
Further, since being provided with the insulating layer of package on the shell, the hot-fluid after can reduce conversion is thermogenetic to leading
Heat loss.
Above embodiment is preferred case of the invention, the protection scope being not intended to limit the invention.
Claims (10)
1. a kind of displacement air heat dump with honeycomb heat exchanger fin, for converting air for the luminous energy of sunlight
Thermal energy characterized by comprising
Shell；
Inner casing is fixed in the shell, is in cone tube shape, has big end and small end, the inner space of the inner casing
The first cavity is formed, the space between the inner casing and the shell forms the second cavity；
Quartz glass plate is fixed on the small end, is incident in first cavity and is prevented for the sunlight
The sunlight in first cavity is to external radiation and convection current；
At least one heat exchanger fin is separately positioned in first cavity and is arranged along the axial parallel interval of the inner casing, uses
In the sunlight is converted to thermal energy；
At least one admission line is connected at the position of the small end with first cavity, for the air is defeated
It is sent to the inside of first cavity；And
At least one outlet pipe communicates at the position of the big end with first cavity, for empty by described first
The air of chamber exports,
Wherein, the heat exchanger fin has multiple connecting rods and multiple microcapsule phase-change particles,
The multiple connecting rod surrounds polygon cyclic annular to form honeycomb by multiple annulus,
The multiple microcapsule phase-change particle is respectively embedded into the multiple annulus.
2. the displacement air heat dump according to claim 1 with honeycomb heat exchanger fin, it is characterised in that:
Wherein, the connecting rod and the annulus are made of metal material.
3. the displacement air heat dump according to claim 1 with honeycomb heat exchanger fin, it is characterised in that:
Wherein, the length of the connecting rod is 3-5mm,
The length of the connecting rod on the heat exchanger fin of the small end is greater than on the heat exchanger fin far from the small end
The connecting rod length.
4. the displacement air heat dump according to claim 1 with honeycomb heat exchanger fin, it is characterised in that:
Wherein, the capsule-core that the microcapsule phase-change particle has cyst wall and wrapped up by cyst wall,
The cyst wall is the mixture of one of polyethylene, polyureas and epoxy resin or more,
The capsule-core is the mixture of one of the crystallization water, salt, paraffin and branched paraffin or more.
5. the displacement air heat dump according to claim 1 with honeycomb heat exchanger fin, which is characterized in that also wrap
It includes:
Ceramic reflecting body is fixed in the big end, for will sequentially pass through in first cavity described at least one
The sunlight after heat exchanger fin is reflected on the side wall of the inner casing,
The admission line is also connected at the position of the small end with second cavity,
The outlet pipe is also connected at the position of the big end with second cavity.
6. the displacement air heat dump according to claim 5 with honeycomb heat exchanger fin, it is characterised in that:
Wherein, one end of inside of the ceramic reflecting body towards the inner casing is in coniform, cone angle α, 140 °≤α≤
160°。
7. the displacement air heat dump according to claim 1 with honeycomb heat exchanger fin, which is characterized in that also wrap
It includes:
At least one heat exchange component is separately mounted on the outer surface of the inner casing, for will be reflected to the side wall of the inner casing
On the sunlight be converted to thermal energy.
8. the displacement air heat dump according to claim 7 with honeycomb heat exchanger fin, it is characterised in that:
Wherein, the heat exchange component is the mane bruss of strip,
At least one described mane bruss is arranged along the circumferencial direction interval of the inner casing.
9. the displacement air heat dump according to claim 1 with honeycomb heat exchanger fin, which is characterized in that also wrap
It includes:
Insulating layer, the insulating layer are wrapped on the outer surface of the shell.
10. the displacement air heat dump according to claim 1 with honeycomb heat exchanger fin, it is characterised in that:
Wherein, the cone angle of the inner casing be β, 60 °≤β≤80 °,
Wherein, the shape of the shell is cylindrical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910496832.XA CN110260533B (en) | 2018-05-14 | 2018-05-14 | Positive displacement air heat absorber with honeycomb structure heat exchanger fin |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810455024.4A CN108613421B (en) | 2018-05-14 | 2018-05-14 | It include the displacement air heat dump of modular microfluidic capsule phase change material |
| CN201910496832.XA CN110260533B (en) | 2018-05-14 | 2018-05-14 | Positive displacement air heat absorber with honeycomb structure heat exchanger fin |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810455024.4A Division CN108613421B (en) | 2018-05-14 | 2018-05-14 | It include the displacement air heat dump of modular microfluidic capsule phase change material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110260533A true CN110260533A (en) | 2019-09-20 |
| CN110260533B CN110260533B (en) | 2020-09-01 |
Family
ID=63663109
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810455024.4A Expired - Fee Related CN108613421B (en) | 2018-05-14 | 2018-05-14 | It include the displacement air heat dump of modular microfluidic capsule phase change material |
| CN201910496832.XA Active CN110260533B (en) | 2018-05-14 | 2018-05-14 | Positive displacement air heat absorber with honeycomb structure heat exchanger fin |
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| CN201810455024.4A Expired - Fee Related CN108613421B (en) | 2018-05-14 | 2018-05-14 | It include the displacement air heat dump of modular microfluidic capsule phase change material |
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| CN (2) | CN108613421B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112546889A (en) * | 2020-11-16 | 2021-03-26 | 哈尔滨工业大学 | Gas mixing device for thermal stability output of heat storage and release system |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN108613421B (en) | 2019-08-30 |
| CN110260533B (en) | 2020-09-01 |
| CN108613421A (en) | 2018-10-02 |
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