CN107941064A - A kind of multi-phase change material divides chamber bushing type phase change heat accumulator - Google Patents
A kind of multi-phase change material divides chamber bushing type phase change heat accumulator Download PDFInfo
- Publication number
- CN107941064A CN107941064A CN201711172646.8A CN201711172646A CN107941064A CN 107941064 A CN107941064 A CN 107941064A CN 201711172646 A CN201711172646 A CN 201711172646A CN 107941064 A CN107941064 A CN 107941064A
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- CN
- China
- Prior art keywords
- phase change
- chamber
- heat
- bushing type
- separating wall
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- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
- F28D20/02—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using latent heat
- F28D20/021—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using latent heat the latent heat storage material and the heat-exchanging means being enclosed in one container
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
- F28D20/0056—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using solid heat storage material
-
- 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
-
- 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
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
Abstract
The invention discloses a kind of multi-phase change material to divide chamber bushing type phase change heat accumulator, including：Middle pipe, is set in outside target accumulation of heat thing；Multiple chamber-separating wall faces, are arranged on the outside of middle pipe；Heat exchanger tube, is set in the outside in chamber-separating wall face；And multiple fins, chamber-separating wall face and heat exchanger tube are passed perpendicularly through, so as to form multiple points of chambers, this divides chamber to be used to place different heat-storing materials, and the number in chamber-separating wall face is more than or equal to 1, and the number of fin is more than or equal to 1.The present invention is because used fin can make the heat transfer of hot fluid to storage heater lower part, add heat storage efficiency, and the PCM fusing points in lower cavity are lower, it is easier to melt in same time, so significantly improve overall heat storage performance, while strengthening heat exchange area, PCM melting rates can be improved.Because used PCM can absorb and release heat to realize the storage of energy and release, it is achieved that supply and demand is synchronous, energy waste can be effectively avoided.
Description
Technical field
The present invention relates to a kind of storage heater, and in particular to a kind of multi-phase change material divides 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 unmatched technology, phase transformation in intensity
Absorb when material (PCM) is undergone phase transition and release heat and realize the storage of energy and release, it is synchronous so as to fulfill supply and demand, can be with
Effectively avoid energy waste.There are Effect of Nature Convection during due to common storage heater accumulation of heat, cause fusing up and down asynchronous, on
Portion's temperature and temperature of lower uneven the shortcomings that waiting, so that the problems such as causing thermal storage time long, although having occurred fin on the market
Formula 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 more
Phase-change material cavity-separating structure then can solve these problems, and this structure is not only by the contact area for increasing PCM
Accelerate accumulation of heat speed, so as to reduce thermal storage time.And a variety of heat-storing materials are used using cavity-separating structure, increase overall storage
Heat.Chamber technical combinations are divided to be to solve the new way of storage heater structure energy consumption instantly fin and multi-phase change material, but in market
There is no relative technological products to realize.
The thermal energy storage of solar energy
Solar energy cleanliness without any pollution, take 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 the regular change such as season, its radiation intensity has significant thin property, discontinuity and unstable
Property, in order to keep heat supply and power supply unit stabilization to run incessantly, it is necessary to which regenerative apparatus stores solar energy, treats it
Energy discharges when insufficient.
Power peak regulation heat storage
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 equipment 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.
The content 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 multi-phase change material divides chamber bushing type
Phase change heat accumulator.
The present invention provides a kind of multi-phase change material to divide chamber bushing type phase change heat accumulator, for the storage of solar energy,
The heat storage and the storage of industrial heat energy of power peak regulation are can be used for, is had the feature that, including：Middle pipe, circle in this
It is used to place heat-transfer working medium in pipe；Multiple chamber-separating wall faces, are arranged on the outside of middle pipe；Heat exchanger tube, is located at the outside in chamber-separating wall face；
And multiple fins, chamber-separating wall face and heat exchanger tube are passed perpendicularly through, so as to form multiple points of chambers, this divides chamber to be used to place different accumulation of heats
Material, the number in chamber-separating wall face are more than or equal to 1, and the number of fin is more than or equal to 1.
Divide in multi-phase change material provided by the invention in chamber bushing type phase change heat accumulator, can also have the feature that：
Wherein, chamber-separating wall face is using steel.
Divide in multi-phase change material provided by the invention in chamber bushing type phase change heat accumulator, can also have the feature that：
Wherein, fin is using steel.
Divide in multi-phase change material provided by the invention in chamber bushing type phase change heat accumulator, can also have the feature that：
Wherein, the tube wall of middle pipe is equipped with multiple through holes, for reducing thermal storage time.
Divide in multi-phase change material provided by the invention in chamber bushing type phase change heat accumulator, can also have the feature that：
Wherein, chamber-separating wall face is circular, square or oval.
Divide in multi-phase change material provided by the invention in chamber bushing type phase change heat accumulator, can also have the feature that：
Wherein, the section of heat exchanger tube is circular, square or oval.
Divide in multi-phase change material provided by the invention in chamber bushing type phase change heat accumulator, can also have the feature that：
Wherein, the heat-storing material divided in chamber is PCM, which is paraffin or aliphatic acid.
Divide in multi-phase change material provided by the invention in chamber bushing type phase change heat accumulator, can also have the feature that：
Wherein, PCM contains nano-metal particle.
The effect of invention
Involved multi-phase change material divides chamber bushing type phase change heat accumulator according to the present invention, because used fin can
The heat transfer of hot fluid is set to add heat storage efficiency to storage heater lower part, and the PCM fusing points in lower cavity are lower,
It is easier to melt in same time, so significantly improving overall heat storage performance, while strengthening heat exchange area, can improves
PCM melting rates.Because used PCM can absorb and release heat to realize the storage of energy and release, it is achieved that
Supply and demand is synchronous, can effectively avoid energy waste, additionally it is possible to thermal energy is carried out efficiently to store and discharge, applied to solar energy,
In these regenerative apparatuses such as space space station, steam power plant.
Brief description of the drawings
Fig. 1 is the structure diagram of the present invention；
Fig. 2 is the structure diagram of the embodiment of the present invention.
Embodiment
In order to make the technological means realized and effect of the invention easy to understand, with reference to embodiments and attached drawing is to this
Invention is specifically addressed.
Fig. 1 is the structure diagram of the present invention.
As shown in Figure 1, a kind of multi-phase change material of the present invention divides chamber bushing type phase change heat accumulator 100, for solar heat
The storage of energy, can be used for the heat storage and the storage of industrial heat energy of power peak regulation, including：Middle pipe 1, multiple chamber-separating wall faces
2, heat exchanger tube 3 and multiple fins 4.
Middle pipe 1, for placing heat-transfer working medium, such as steam, ethanol or water in pipe 1 in this.
Multiple chamber-separating wall faces 2, are arranged at the middle outside of pipe 1.
The number in the chamber-separating wall face 2 is more than or equal to 1.
Heat exchanger tube 3, is set in the outside in the chamber-separating wall face 2.
Multiple fins 4, pass perpendicularly through the chamber-separating wall face 2 and the heat exchanger tube 3, so as to form multiple points of chambers, this divides chamber
For placing different heat-storing materials.
The number of the fin 4 is more than or equal to 1.
Embodiment：
The structure diagram of Fig. 2 the embodiment of the present invention.
As shown in Fig. 2, the multi-phase change material of the present embodiment divides the phase transformation that chamber bushing type phase change heat accumulator 100 is horizontal to store
Hot device is the storage heater of horizontal cavity-separating up and down, including：Middle 1,1 stainless steel chamber-separating wall face 2 of pipe, heat exchanger tube 3 and 4 are stainless
The fin 4 of steel, chamber-separating wall face 2 and 4, rib can also use the high metal of other thermal conductivity factors.This 4 fins 4 pass perpendicularly through 1
A chamber-separating wall face 2 and heat exchanger tube 3 form 8 points of chambers, and middle pipe 1 and 4 contact position welded seal of fin, 8 points of chambers be divided into A,
B, different phase-change materials is placed in tetra- regions of C, D respectively, such as：Paraffin, aliphatic acid or other phase-change materials, due to phase-change material
When heated, speed and the trend of this four zone meltings differ, and are divided into four regions and are respectively put into different heat-storing materials, such as
The fast place of the high burn-off rate of temperature is put into fusing point height, and potential heat value is big, and the high PCM of specific heat capacity, can store more heats.
The multi-phase change material of the present embodiment divides the course of work of chamber bushing type phase change heat accumulator：
The multi-phase change material of the present embodiment, which divides in the upper chamber 1,2,3,4 of chamber bushing type phase change heat accumulator 100 to use, to be melted
The higher PCM with stronger heat storage capacity of point, the relatively low PCM of the use fusing point of lower chamber 5,6,7,8, when heat exchanging fluid is from heat exchange
In pipe 3 during flowing, due to there are the temperature difference, the spontaneous heat exchanging fluid higher from temperature of heat is to the low tube wall of temperature and fin 4
Transfer.
The effect of embodiment
The multi-phase change material of the present embodiment divides chamber bushing type phase change heat accumulator because used fin can make hot fluid
Heat transfer to storage heater lower part, heat storage efficiency is added, and the PCM fusing points in lower cavity are lower, in same time
It is interior to be easier to melt, so significantly improving overall heat storage performance, while strengthening heat exchange area, PCM fusing speed can be improved
Rate.Because used PCM can absorb and release heat to realize the storage of energy and release, it is achieved that supply and demand is synchronous,
Energy waste can effectively be avoided, additionally it is possible to thermal energy is carried out efficiently to store and discharge, applied to solar energy, space space
Stand, in these regenerative apparatuses such as steam power plant.
The above embodiment is the preferred case of the present invention, is not intended to limit protection scope of the present invention.
Claims (8)
1. a kind of multi-phase change material divides chamber bushing type phase change heat accumulator, for storing solar energy, can be used for electric power tune
The heat storage and the storage of industrial heat energy at peak, it is characterised in that including：
Middle pipe, for placing heat-transfer working medium in pipe in this；
Multiple chamber-separating wall faces, are arranged on the outside of middle pipe；
Heat exchanger tube, is set in the outside in the chamber-separating wall face；And
Multiple fins, pass perpendicularly through the chamber-separating wall face and the heat exchanger tube, so as to form multiple points of chambers, this divides chamber to be used to place
Different heat-storing materials,
Wherein, the number in the chamber-separating wall face is more than or equal to 1,
The number of the fin is more than or equal to 1.
2. multi-phase change material according to claim 1 divides chamber bushing type phase change heat accumulator, it is characterised in that：
Wherein, the chamber-separating wall face is using steel.
3. multi-phase change material according to claim 1 divides chamber bushing type phase change heat accumulator, it is characterised in that：
Wherein, the fin is using steel.
4. multi-phase change material according to claim 1 divides chamber bushing type phase change heat accumulator, it is characterised in that：
Wherein, the tube wall of the middle pipe is equipped with multiple through holes, for reducing thermal storage time.
5. multi-phase change material according to claim 1 divides chamber bushing type phase change heat accumulator, it is characterised in that：
Wherein, the chamber-separating wall face is circular, square or oval.
6. multi-phase change material according to claim 1 divides chamber bushing type phase change heat accumulator, it is characterised in that：
Wherein, the section of the heat exchanger tube is circular, square or oval.
7. multi-phase change material according to claim 1 divides chamber bushing type phase change heat accumulator, it is characterised in that：
Wherein, the heat-storing material divided in chamber is PCM, which is paraffin or aliphatic acid.
8. multi-phase change material according to claim 7 divides chamber bushing type phase change heat accumulator, it is characterised in that：
Wherein, the PCM contains nano-metal particle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711172646.8A CN107941064A (en) | 2017-11-22 | 2017-11-22 | A kind of multi-phase change material divides chamber bushing type phase change heat accumulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711172646.8A CN107941064A (en) | 2017-11-22 | 2017-11-22 | A kind of multi-phase change material divides chamber bushing type phase change heat accumulator |
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| Publication Number | Publication Date |
|---|---|
| CN107941064A true CN107941064A (en) | 2018-04-20 |
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|---|---|---|---|
| CN201711172646.8A Pending CN107941064A (en) | 2017-11-22 | 2017-11-22 | A kind of multi-phase change material divides chamber bushing type phase change heat accumulator |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109405616A (en) * | 2018-11-01 | 2019-03-01 | 扬州大学 | A kind of phase-change accumulation energy bushing type geothermal heat exchanger |
| CN110160181A (en) * | 2019-05-28 | 2019-08-23 | 国网甘肃省电力公司经济技术研究院 | Oval bend pipe cold-storage phase-change material device |
| CN110360865A (en) * | 2019-06-20 | 2019-10-22 | 内蒙古科技大学 | A kind of finned multiple phase change materials heat-storing sphere |
| CN110486960A (en) * | 2019-08-06 | 2019-11-22 | 西安科技大学 | A kind of more fusing point deep well heat exchanging devices and the experimental facilities with the device |
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| CN205784773U (en) * | 2016-05-30 | 2016-12-07 | 郑州轻工业学院 | A kind of phase change thermal storage heat exchanger |
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| CN206638074U (en) * | 2017-04-20 | 2017-11-14 | 江苏建筑职业技术学院 | A kind of double-deck phase transformation sleeve pipe |
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| CN101932898A (en) * | 2007-12-19 | 2010-12-29 | 弗雷德里克·乔治·贝斯特 | Improved latent heat storage device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109405616A (en) * | 2018-11-01 | 2019-03-01 | 扬州大学 | A kind of phase-change accumulation energy bushing type geothermal heat exchanger |
| CN109405616B (en) * | 2018-11-01 | 2020-03-31 | 扬州大学 | Phase-change energy-storage sleeve type geothermal heat exchanger |
| CN110160181A (en) * | 2019-05-28 | 2019-08-23 | 国网甘肃省电力公司经济技术研究院 | Oval bend pipe cold-storage phase-change material device |
| CN110360865A (en) * | 2019-06-20 | 2019-10-22 | 内蒙古科技大学 | A kind of finned multiple phase change materials heat-storing sphere |
| CN110486960A (en) * | 2019-08-06 | 2019-11-22 | 西安科技大学 | A kind of more fusing point deep well heat exchanging devices and the experimental facilities with the device |
| CN110486960B (en) * | 2019-08-06 | 2020-07-07 | 西安科技大学 | Multi-melting-point deep well heat exchange device and experimental equipment with same |
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Application publication date: 20180420 |
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