CN207472115U - A kind of cellular point of chamber bushing type phase change heat accumulator - Google Patents
A kind of cellular point of chamber bushing type phase change heat accumulator Download PDFInfo
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- CN207472115U CN207472115U CN201721571231.3U CN201721571231U CN207472115U CN 207472115 U CN207472115 U CN 207472115U CN 201721571231 U CN201721571231 U CN 201721571231U CN 207472115 U CN207472115 U CN 207472115U
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- chamber
- heat
- phase change
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- cellular
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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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
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Abstract
The utility model discloses a kind of cellular point of chamber bushing type phase change heat accumulator, including:Inner tube, the internal tube are used to place heat-transfer working medium;Multiple points of chamber fins are welded on the outside of inner tube;Outer tube is welded on the outside of point chamber fin;And heat exchanger tube, it is set on the outside of outer tube, wherein, multiple points of chamber fins form multiple points of cellular chambers between inner tube and outer tube, for placing heat-storing material, the number of chamber are divided to be more than or equal to 5.The heat of hot fluid can rapidly be run through because of used cellular point of chamber and be transmitted to storage heater surrounding by the utility model, abnormal heat efficiency is increased, and be easier to melt in same time.Because used PCM can absorb and release heat to realize the storage of energy and release, it is achieved that supply and demand synchronizes, energy waste can be effectively avoided.Therefore, the cellular point of chamber bushing type phase change heat accumulator of the present embodiment improves whole heat storage performance, and the melting rate of PCM can be improved while enhancing heat exchange area.
Description
Technical field
The utility model is related to a kind of storage heaters, and in particular to a kind of cellular point of chamber bushing type phase change heat accumulator.
Background technology
Heat storage technology be it is a kind of effectively solve thermal demand and supply in time with technology unmatched in intensity, phase transformation
It absorbs when material (PCM) is undergone phase transition and releases heat and realize the storage of energy and release, synchronized so as to fulfill supply and demand, it can be with
Effectively avoid energy waste.Since when common storage heater, which is stored, to be heated in inside, there are the distributions of radial temperature section, cause inside and outside
Melt asynchronous, there is temperature in inside higher than external temperature, so as to cause thermal storage time it is long the problems such as.Although occurs rib on the market
Chip phase change heat accumulator, but its fin quantity is more, construction is complicated, equipment manufacturing cost is expensive, and market penetration rate is still limited, and uses
Cellular point of cavity configuration then can solve these problems, and this structure is accelerated not only by the contact area for increasing PCM
Accumulation of heat speed, so as to reduce thermal storage time.And overall accumulation of heat is increased using a variety of heat-storing materials using cavity-separating structure
Amount.Chamber technical combinations is divided to be to solve the new way of storage heater structure energy consumption instantly, but do not have in market fin and multi-phase change material
There are relative technological products to realize.
The thermal energy storage of solar energy
Solar energy cleanliness without any pollution is taken conveniently, but the energy density of the solar energy due to reaching earth surface is low, and
By it is geographical, influenced round the clock with regularity variations such as seasons, radiation intensity has significant thin property, discontinuity and unstable
Property, in order to keep heat supply and be run incessantly for electric installation stabilization, it is necessary to which regenerative apparatus stores solar energy, treats it
It is discharged during energy deficiency.
Power peak regulation heat stores
Solution peak load that can be economic using regenerative apparatus in power plant, the demand of filling and leading up is underestimated, to buffer heat storage type
Unit load is adjusted to be more convenient.Fuel can be saved using regenerative apparatus, reduce the initial cost and fuel cost of power plant, improve machine
The operational efficiency of group and the service condition for improving unit reduce exhaust pollution, improve environment.
Industrial heat energy stores
Industrial heat energy storage at present is using the energy storage equipments such as regenerative furnace and waste heat accumulation of energy boiler.Using accumulation of heat
Technology comes Mist heat recovering and waste heat, has both saved the energy, has been reduced water in air pollution and cooling, quenching process
Consumption.
Utility model content
The utility model is to carry out to solve the above-mentioned problems, and it is an object of the present invention to provide a kind of cellular point of chamber bushing type
Phase change heat accumulator.
The utility model provides a kind of cellular point of chamber bushing type phase change heat accumulator, has the feature that, including:It is interior
Pipe, the internal tube are used to place heat-transfer working medium;Multiple points of chamber fins are welded on the outside of inner tube;Outer tube is welded on a point chamber fin
Outside;And heat exchanger tube, it is set on the outside of outer tube, wherein, multiple points of chamber fins form cellular between inner tube and outer tube
Multiple points of chambers for placing heat-storing material, divide the number of chamber to be more than or equal to 5.
In cellular point of chamber bushing type phase change heat accumulator provided by the utility model, it can also have the feature that:
Wherein, divide material of the chamber fin using thermal conductivity factor is 50-500W/ (m*c).
In cellular point of chamber bushing type phase change heat accumulator provided by the utility model, it can also have the feature that:
Wherein, the section of outer tube is round, rectangular or oval.
In cellular point of chamber bushing type phase change heat accumulator provided by the utility model, it can also have the feature that:
Wherein, the section of heat exchanger tube is round, rectangular or oval.
In cellular point of chamber bushing type phase change heat accumulator provided by the utility model, it can also have the feature that:
Wherein, heat-storing material PCM, the PCM are RT25.
In cellular point of chamber bushing type phase change heat accumulator provided by the utility model, it can also have the feature that:
Wherein, PCM contains nano-metal particle.
The effect of utility model
The cellular point of chamber bushing type phase change heat accumulator according to involved by the utility model, because used cellular point
The heat of hot fluid can rapidly be run through and be transmitted to storage heater surrounding by chamber, so, abnormal heat efficiency is increased, and in phase
With easily fusing in the time.Because used PCM can absorb and release heat to realize the storage of energy and release, institute
To realize that supply and demand synchronizes, energy waste can be effectively avoided.Therefore, the cellular point of chamber bushing type phase-transition heat-storage of the present embodiment
Device improves whole heat storage performance, and the melting rate of PCM can be improved while enhancing heat exchange area, thermal energy can be carried out
Efficiently storage and release, applied in these regenerative apparatus such as solar energy, space space station, steam power plant.
Description of the drawings
Fig. 1 is the structure diagram in the embodiment of the utility model;
Fig. 2 is the dimensional structure diagram in the embodiment of the utility model;
Fig. 3 is that the embodiment of the utility model is schemed with the abnormal heat efficiency comparative of conventional double pipe storage heater.
Specific embodiment
In order to be easy to understand technological means of the utility model and effect, with reference to embodiments and attached drawing
The utility model is specifically addressed.
Embodiment:
Fig. 1 is the structure diagram in the embodiment of the utility model, and Fig. 2 is the solid in the embodiment of the utility model
Structure diagram, Fig. 3 are that the embodiment of the utility model is schemed with the abnormal heat efficiency comparative of conventional double pipe storage heater.
As shown in Figure 1, Figure 2 and Figure 3, a kind of cellular point of chamber bushing type phase change heat accumulator 100 of the present embodiment, can be with water
Placing flat or vertical placement, while the influence of radial temperature profile is considered, including:Inner tube 1, multiple points of chamber fins 2, outer tube 3
With heat exchanger tube 4.
Inner tube 1, the internal tube are used to place heat-transfer working medium, such as steam, ethyl alcohol or water.
Multiple points of chamber fins 2 are welded on 1 outside of inner tube.
Divide material of the chamber fin using thermal conductivity factor is 50-500W/ (m*c), such as steel or other metals.
Outer tube 3 is welded on 2 outside of point chamber fin.
The section of outer tube is round, rectangular or oval.
Multiple points of chamber fins 2 form multiple points of cellular chambers between inner tube 1 and outer tube 3, for placing heat-storing material.
The heat-storing material is PCM, which contains nano-metal particle.
The PCM be RT25 or other phase-change materials, wherein, RT25 have as table 1 physical property.
Table 1:The physical-property parameter table of RT25
The number of chamber is divided to be more than or equal to 5.
Heat exchanger tube 4 is set in 3 outside of outer tube.
The section of heat exchanger tube is round, rectangular or oval.
The course of work of the cellular point of chamber bushing type phase change heat accumulator of the present embodiment:
The multi-phase change material of the present embodiment divide the heat-exchange working medium that chamber bushing type phase change heat accumulator 100 is circulated by inner and outer pipes with
Phase-change material carries out heat exchange and carries out accumulation of heat and heat release, is embodied in higher using fusing point in the chamber for dividing chamber of the storage heater
PCM with stronger heat storage capacity, the external of chamber uses lower melting-point PCM, when heat exchanging fluid is flowed from inner tube 1, by
In there are the temperature difference, the low tube wall of the spontaneous heat exchanging fluid phase temperature higher from temperature of heat and chamber fin 2 is divided to shift.
The effect of embodiment
The cellular point of chamber bushing type phase change heat accumulator of the present embodiment because used cellular point of chamber can rapidly by
The heat of hot fluid runs through and is transmitted to storage heater surrounding, so, abnormal heat efficiency is increased, and more hold in same time
Easily fusing.Because used PCM can absorb and release heat to realize the storage of energy and release, it is achieved that supply and demand is same
Step, can effectively avoid energy waste.Therefore, the cellular point of chamber bushing type phase change heat accumulator of the present embodiment improves entirety
Heat storage performance, reduce thermal storage time, the melting rate of PCM can be improved while enhancing heat exchange area, can be to thermal energy
Efficiently store and discharge, applied in these regenerative apparatus such as solar energy, space space station, steam power plant.
The above embodiment is the preferred case of the utility model, is not intended to limit the scope of protection of the utility model.
Claims (6)
1. a kind of cellular point of chamber bushing type phase change heat accumulator, which is characterized in that including:
Inner tube, the internal tube are used to place heat-transfer working medium;
Multiple points of chamber fins are welded on the outside of said inner tube;
Outer tube is welded on described divide on the outside of chamber fin;And
Heat exchanger tube is set on the outside of the outer tube,
Wherein, the multiple point of chamber fin forms multiple points of cellular chambers between said inner tube and the outer tube, for putting
Put heat-storing material,
The number of described point of chamber is more than or equal to 5.
2. cellular point of chamber bushing type phase change heat accumulator according to claim 1, it is characterised in that:
Wherein, the material for dividing chamber fin using thermal conductivity factor is 50-500W/ (m*c).
3. cellular point of chamber bushing type phase change heat accumulator according to claim 1, it is characterised in that:
Wherein, the section of the outer tube is round, rectangular or oval.
4. cellular point of chamber bushing type phase change heat accumulator according to claim 1, it is characterised in that:
Wherein, the section of the heat exchanger tube is round, rectangular or oval.
5. cellular point of chamber bushing type phase change heat accumulator according to claim 1, it is characterised in that:
Wherein, the heat-storing material is PCM, which is RT25.
6. cellular point of chamber bushing type phase change heat accumulator according to claim 5, it is characterised in that:
Wherein, the PCM contains nano-metal particle.
Priority Applications (1)
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CN201721571231.3U CN207472115U (en) | 2017-11-22 | 2017-11-22 | A kind of cellular point of chamber bushing type phase change heat accumulator |
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CN201721571231.3U CN207472115U (en) | 2017-11-22 | 2017-11-22 | A kind of cellular point of chamber bushing type phase change heat accumulator |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109579127A (en) * | 2018-12-07 | 2019-04-05 | 西安建筑科技大学 | A kind of double air duct solar energy hot blast heaters |
-
2017
- 2017-11-22 CN CN201721571231.3U patent/CN207472115U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109579127A (en) * | 2018-12-07 | 2019-04-05 | 西安建筑科技大学 | A kind of double air duct solar energy hot blast heaters |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180608 Termination date: 20181122 |