CN105318763A - Vertical-type phase-change thermal storage tank - Google Patents
Vertical-type phase-change thermal storage tank Download PDFInfo
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- CN105318763A CN105318763A CN201410251113.9A CN201410251113A CN105318763A CN 105318763 A CN105318763 A CN 105318763A CN 201410251113 A CN201410251113 A CN 201410251113A CN 105318763 A CN105318763 A CN 105318763A
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- heat
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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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- 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
Abstract
The invention relates to the technical field of solar photo-thermal electric power generation, and discloses a vertical-type phase-change thermal storage tank. The vertical-type phase-change thermal storage tank comprises a vertical-type thermal storage tank body, multiple thermal storage material encapsulation bodies, a multi-hole dense distribution spray device and a phase-change thermal exchange device; the thermal storage material encapsulation bodies are used for encapsulating a phase-change thermal storage medium and vertically and densely arranged inside the thermal storage tank body, the phase-change thermal storage medium is used for thermal storage or thermal release, the multi-hole dense distribution spray device is arranged above the thermal storage material encapsulation bodies and used for spraying the phase-change thermal exchange medium, and the phase-change thermal exchange device is arranged above the multi-hole dense distribution spray device. According to the vertical-type phase-change thermal storage tank, the structure is more stable, the filling rate is higher, and the manufacturing cost is lower.
Description
Technical field
The present invention relates to the technical field of solar light-heat power-generation system, particularly the vertical phase-change heat storage can of one.
Background technology
Anywhere on earth, due to cloud cover or at night, the supply of solar energy is discontinuous.In order to ensure that solar power system does not impact electrical network when having cloud cover or night, change the solar energy that radiation intensity altered a great deal in one day into constant electric energy, and making solar power system as conventional power generation systems, become the schedulable energy, energy storage technology is vital.
Different according to thermal energy storage mode, solar energy high temperature heat storage technology mainly can be divided into sensible heat accumulation of heat and latent-heat storage two kinds of modes in the world at present.Wherein two tank melts salt heat accumulation and is current relative maturity and the sensible heat heat accumulation mode with commercial viability, but this technology heat accumulation equipment used cost is higher, and heat accumulation energy density is lower, and the heat accumulation temperature difference is comparatively large, and implement general plan is large.Phase-change heat storage technology has that transition temperature area is narrow, latent heat of phase change is large, heat accumulation energy density is high, the features such as cost of manufacture is low.But the heat exchange of phase-change thermal storage technology difficulty and phase transition process in material volume change the stress problem caused be difficult to always solution.All adopting heat-conducting fluid forced-convection heat transfer in the world, there is heat-exchange temperature inequality in this technology, and during charge and discharge heat, the changes in flow rate of heat-transfer fluid is large, and it is difficult to control, and diabatic process is complicated, is difficult to the shortcomings such as modeling.
The new technique that phase-change thermal storage and phase-change heat-exchange combine, thoroughly can break through the heat exchange bottleneck of above-mentioned sensible heat heat accumulation and phase-change thermal storage, is suitable for solar light-heat power-generation heat accumulation demand.Phase-change heat-exchange and phase-change thermal storage technology are combined, utilize the evaporation-condensation process heat exchange of the liquid-gas two-phase of heat catalysis, solve the control difficult problem in the uniformly transfer heat and charge and discharge thermal process that charge and discharge hankers, utilize the narrow warm area of solid-liquid phase change process implementation of phase-change heat-storage material, highdensity heat accumulation simultaneously.In order to reduce costs further, the heat storage can structure of high fill-ratio is indispensable, and therefore, we are in the urgent need to the heat storage can of a kind of highdensity heat accumulation, high fill-ratio and low cost at present.
Summary of the invention
The object of the present invention is to provide a kind of vertical phase-change heat storage can.There is more stable structure, higher filling rate and lower cost of manufacture.
For solving the problems of the technologies described above, embodiments of the present invention provide a kind of vertical phase-change heat storage can.This vertical phase-change heat storage can comprises vertical heat storage can tank body, multiple heat accumulating packaging body, porous solid matter spray equipment and phase change heat exchange device.Described heat accumulating packaging body for encapsulate phase-change thermal storage medium and vertical solid matter in described heat storage can tank interior, described phase-change thermal storage medium be used for heat accumulation or heat release; Described porous solid matter spray equipment to be arranged in above described heat accumulating packaging body and for being sprayed to described heat accumulating packaging body by phase-change heat-exchange medium; Described phase change heat exchange device is arranged in above described porous solid matter spray equipment.
In another preference, described solid matter refers to filling rate >=70% of heat accumulating packaging body, is preferably 70-85%.
In another preference, the filling rate of described heat accumulating packaging body refers to the percent by volume of heat storage can tank body shared by heat accumulating packaging body.
Alternatively, described heat accumulating packaging body is made up of sizes;
Alternatively, described heat accumulating packaging body is cylinder or prism.
Alternatively, described phase-change thermal storage medium be water, oil or other can be used for the medium of phase-change thermal storage.
Alternatively, described phase-change heat storage can also comprises heat accumulating packaging body orifice plate, and this heat accumulating packaging body orifice plate has multiple hole, for arranging described heat accumulating packaging body.
Alternatively, described heat accumulating packaging body orifice plate is circle, rectangle, rhombus or other shapes be applicable to.
Alternatively, described heat accumulating packaging body orifice plate can be one or more, is arranged in each position of heat storage can tank body with fixing multiple heat accumulating packaging body.Preferably, layout on the upper side one piece of heat accumulating packaging body orifice plate in the middle part of described heat accumulating packaging body, and arrange one piece of heat accumulating packaging body orifice plate in described heat accumulating packaging body lower end.
Alternatively, described phase change heat exchange device is phase inversion heat pipe, and described phase inversion heat pipe is in-tube evaporation, out-tubular condensing structure adopt the heat exchange of liquid vapour latent heat.
Alternatively, described porous solid matter spray equipment comprises heat transferring medium pipeline and is linked at the small-sized shower nozzle on described heat transferring medium pipeline, described heat transferring medium pipeline parallel arrangement is also connected in parallel by collecting pipe, described collecting pipe is communicated with the main line fluid comprising inlet, and the phase-change heat-exchange medium in described collecting pipe is provided by this inlet.Preferably, described phase-change heat-exchange medium be water, oil or other can be used for the medium of phase-change heat-exchange.
Alternatively, described heat storage can tank body has the upper and lower end socket for sealing described phase-change heat storage can.
Alternatively, described upper and lower end socket is the end socket of ellipse head, circular head, rhombus end socket or other shapes.
Alternatively, described phase-change heat storage can is fixed by base plate.
Embodiment of the present invention compared with prior art, the main distinction and effect thereof are: the heat storage tube supporting construction that vertical phase-change heat storage can overcomes traditional horizontal heat accumulation equipment deformation easily occurs, causes heat storage tube that the drawback of leaking occurs, simplified apparatus structure simultaneously, be beneficial to production, reduce tank body cost.The vertical solid matter of heat accumulating packaging body, increases the filling rate of heat storage can, thus reduces cost of manufacture.For reducing heat accumulation cost further, the phase inversion heat pipe of conduction oil steam and water is arranged in heat storage can inside, direct generation water vapour, form heat storage and exchange integrated system, this arrangement enhances the heat transfer effect of conduction oil steam and water, the heat exchanger tube and the tank body equipment that significantly decrease steam generator drop into.In addition, the vertical phase-change heat storage can of the present invention adopts porous solid matter spray structure to coordinate the heat accumulating packaging body of high fill-ratio, can obtain better heat transfer effect.
Accompanying drawing explanation
Fig. 1 is the structural representation of the vertical phase-change heat storage can according to the embodiment of the present invention;
Fig. 2 is the structural representation according to the heat accumulating packaging body orifice plate in the vertical phase-change heat storage can of the embodiment of the present invention; And
Fig. 3 is the structural representation of the porous solid matter spray equipment in the vertical phase-change heat storage can of the embodiment of the present invention.
Detailed description of the invention
In the following description, many ins and outs are proposed in order to make reader understand the application better.But, persons of ordinary skill in the art may appreciate that even without these ins and outs with based on the many variations of following embodiment and amendment, also can realize each claim of the application technical scheme required for protection.
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, embodiments of the present invention are described in further detail.In figure, same or analogous component uses the same reference numerals to represent.
In an embodiment of the present invention, as shown in Figure 1, a vertical phase-change heat storage can comprises vertical heat storage can tank body 1, multiple heat accumulating packaging body 2, porous solid matter spray equipment 4 and phase change heat exchange device 5.Multiple heat accumulating packaging body 2 is for encapsulating phase-change thermal storage medium and vertical solid matter is inner in this heat storage can tank body 1, and phase-change thermal storage medium is used for heat accumulation or heat release.Porous solid matter spray equipment 4 to be arranged in above heat accumulating packaging body 2 and for being sprayed to heat accumulating packaging body 2 by phase-change heat-exchange medium.Phase change heat exchange device 5 is arranged in above porous solid matter spray equipment 4.
The heat accumulating packaging body 2 of encapsulation phase-change thermal storage medium is arranged in vertical phase-change heat storage can inner, can improve heat transfer effect, such as the heat transfer effect of conduction oil steam and water, decreases equipment investment.
Preferably, this heat storage can tank body has the upper and lower end socket 6,7 for sealing described phase-change heat storage can.Upper and lower end socket 6,7 is ellipse head, and this heat storage can tank body is fixed by base plate 8.The tank body of vertical structure, ellipse head is conducive to the mean allocation of stress, and make heat storage can tank body uniform force on the one hand, simplified apparatus structure, is beneficial to production, reduces tank body cost on the other hand.
Preferably, above-mentioned heat accumulating packaging body is made up of to improve filling rate (filling rate can reach more than 73%) sizes.Alternatively, above-mentioned heat accumulating packaging body is cylinder.
In another embodiment of the present invention, this phase-change heat storage can also comprises heat accumulating packaging body orifice plate 3.As shown in Figure 2, this heat accumulating packaging body orifice plate 3 has multiple hole, above solid matter arrange multiple heat accumulating packaging body 2.Preferably, in the present embodiment, this heat accumulating packaging body orifice plate 3 is circular and is made up of the circular hole of multiple certain size, not only increase the filling rate of heat storage can, and due to this kind of structural symmetry high, transformation interface symmetry is high, when heat exchange power invariability, heat transfer temperature difference and the time linear, control simple.Not easily there is deformation in the heat storage can of vertical structure, avoids the danger that heat storage tube occurs to leak.
Be appreciated that in other embodiments of the invention, this heat accumulating packaging body orifice plate 3 can be also other shapes, and has the hole shape that correspondingly can hold each heat accumulating packaging body, is not limited to above-mentioned circle.In addition, be appreciated that in other embodiments of the invention, other devices also can be used to be fixed heat accumulating packaging body 2, be not limited to above-mentioned heat accumulating packaging body orifice plate 3.
In another embodiment of the present invention, above-mentioned phase change heat exchange device 5 is arranged in this heat storage can tank interior.Preferably, in the present embodiment, this phase change heat exchange device 5 is phase inversion heat pipe, these phase inversion heat pipes are in-tube evaporation, out-tubular condensing structure, and adopt the heat exchange of liquid vapour latent heat, heat accumulating packaging body surface temperature is even, the coefficient of heat transfer is large, when heat exchange amount one timing, required fluid flow is little, and circulation power consumption is little.Be appreciated that in other embodiments of the invention, also can adopt other forms of phase change heat exchange device.
In another embodiment of the present invention, as shown in Figure 3, the small-sized shower nozzle 10 that this porous solid matter spray equipment 4 comprises heat transferring medium pipeline 9 and is linked on heat transferring medium pipeline 9, these heat transferring medium pipeline 9 parallel arrangements are also connected in parallel by collecting pipe 11, this collecting pipe 11 is communicated with main line 12 fluid comprising inlet 13, and the phase-change heat-exchange medium in this collecting pipe 11 is provided by this inlet 13.Preferably, above-mentioned phase-change heat-exchange medium is water or oil.
Above-mentioned each structure forms a preferred embodiment of the vertical phase-change heat storage can shown in Fig. 1, its function mode is mainly as follows: phase-change heat-exchange medium enters heat storage can tank body 1 by inlet 13, flow to each heat transferring medium pipeline 9 by main line 12, collecting pipe 11, and spray to each heat accumulating packaging body 2 via the small-sized shower nozzle 10 be linked on heat transferring medium pipeline 9; Liquid phase-change heat-exchange medium is from the phase-change thermal storage Absorption of Medium heat heat accumulating packaging body 2 and evaporate; The phase-change heat-exchange medium of steam state arrives phase inversion heat pipe 5 surface, release heat is to the medium in phase inversion heat pipe 5 and at phase inversion heat pipe 5 surface condensation, thus by phase-change heat-exchange by the thermal release in phase-change thermal storage medium to heat the medium in phase inversion heat pipe, in phase inversion heat pipe through heating medium export after can be used for daily life and industry wait application in.As shown in Figure 1, after phase-change thermal storage medium in heat accumulating packaging body 2 discharges certain heat, can by an input channel and an output channel inject in each heat accumulating packaging body 2 there is high heat new phase-change thermal storage medium to carry out new heat exchange program.
Although by referring to some of the preferred embodiment of the invention, to invention has been diagram and describing, but those of ordinary skill in the art should be understood that and can do various change to it in the form and details, and without departing from the spirit and scope of the present invention.
Claims (10)
1. a vertical phase-change heat storage can, is characterized in that, comprising:
Vertical heat storage can tank body;
Multiple heat accumulating packaging body, described heat accumulating packaging body for encapsulate phase-change thermal storage medium and vertical solid matter in described heat storage can tank interior, described phase-change thermal storage medium be used for heat accumulation or heat release;
Porous solid matter spray equipment, to be arranged in above described heat accumulating packaging body and for being sprayed to described heat accumulating packaging body by phase-change heat-exchange medium; And
Phase change heat exchange device, is arranged in above described porous solid matter spray equipment.
2. vertical phase-change heat storage can according to claim 1, is characterized in that, described heat accumulating packaging body is made up of sizes;
And/or described heat accumulating packaging body is cylinder.
3. vertical phase-change heat storage can according to claim 1, is characterized in that, described phase-change thermal storage medium is water or oil.
4. vertical phase-change heat storage can according to claim 1, is characterized in that, described phase-change heat storage can also comprises heat accumulating packaging body orifice plate, and this heat accumulating packaging body orifice plate has multiple hole, for arranging described heat accumulating packaging body.
5. vertical phase-change heat storage can according to claim 4, is characterized in that, described heat accumulating packaging body orifice plate is circular.
6. vertical phase-change heat storage can according to claim 1, is characterized in that, described phase change heat exchange device is phase inversion heat pipe, and described phase inversion heat pipe is in-tube evaporation, out-tubular condensing structure adopt the heat exchange of liquid vapour latent heat.
7. vertical phase-change heat storage can according to claim 1, it is characterized in that, described porous solid matter spray equipment comprises heat transferring medium pipeline and is linked at the small-sized shower nozzle on described heat transferring medium pipeline, described heat transferring medium pipeline parallel arrangement is also connected in parallel by collecting pipe, described collecting pipe is communicated with the main line fluid comprising inlet, and the phase-change heat-exchange medium in described collecting pipe is provided by this inlet.
8. vertical phase-change heat storage can according to claim 8, is characterized in that, described phase-change heat-exchange medium is water or oil.
9. vertical phase-change heat storage can according to claim 1, is characterized in that, described heat storage can tank body has the upper and lower end socket for sealing described phase-change heat storage can;
Described upper and lower end socket is ellipse head, and described heat storage can tank body is fixed by base plate.
10. vertical phase-change heat storage can according to claim 1, is characterized in that, described solid matter refers to filling rate >=70% of heat accumulating packaging body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410251113.9A CN105318763A (en) | 2014-06-06 | 2014-06-06 | Vertical-type phase-change thermal storage tank |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410251113.9A CN105318763A (en) | 2014-06-06 | 2014-06-06 | Vertical-type phase-change thermal storage tank |
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| Publication Number | Publication Date |
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| CN105318763A true CN105318763A (en) | 2016-02-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410251113.9A Pending CN105318763A (en) | 2014-06-06 | 2014-06-06 | Vertical-type phase-change thermal storage tank |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105697773A (en) * | 2016-03-09 | 2016-06-22 | 无锡锡洲封头制造有限公司 | Seal with drip cooling cover |
| CN109405614A (en) * | 2017-08-18 | 2019-03-01 | 天津滨海储能技术有限公司 | The phase-change heat accumulation system of belt stirrer |
| WO2020181899A1 (en) * | 2019-03-11 | 2020-09-17 | 深圳市爱能森科技有限公司 | Phase change energy storage heat exchange system and method for heating water |
Citations (5)
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| US4708849A (en) * | 1984-07-02 | 1987-11-24 | American Sterilizer Company | Process for energy storage and recovery |
| US5441097A (en) * | 1993-05-19 | 1995-08-15 | Chiyoda Corporation | Heat storage tank equipped with heat storage members and fabrication process for the same |
| US20090211249A1 (en) * | 2008-02-27 | 2009-08-27 | Sophia Antipolis Energie Developpement | Installation for generating electrical energy from solar energy |
| CN102822614A (en) * | 2009-09-17 | 2012-12-12 | 蓝瑚科技有限公司 | Systems and methods of thermal transfer and/or storage |
| CN204007260U (en) * | 2014-06-06 | 2014-12-10 | 益科博能源科技（上海）有限公司 | Vertical phase-change heat storage can |
-
2014
- 2014-06-06 CN CN201410251113.9A patent/CN105318763A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4708849A (en) * | 1984-07-02 | 1987-11-24 | American Sterilizer Company | Process for energy storage and recovery |
| US5441097A (en) * | 1993-05-19 | 1995-08-15 | Chiyoda Corporation | Heat storage tank equipped with heat storage members and fabrication process for the same |
| US20090211249A1 (en) * | 2008-02-27 | 2009-08-27 | Sophia Antipolis Energie Developpement | Installation for generating electrical energy from solar energy |
| CN102822614A (en) * | 2009-09-17 | 2012-12-12 | 蓝瑚科技有限公司 | Systems and methods of thermal transfer and/or storage |
| CN204007260U (en) * | 2014-06-06 | 2014-12-10 | 益科博能源科技（上海）有限公司 | Vertical phase-change heat storage can |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105697773A (en) * | 2016-03-09 | 2016-06-22 | 无锡锡洲封头制造有限公司 | Seal with drip cooling cover |
| CN109405614A (en) * | 2017-08-18 | 2019-03-01 | 天津滨海储能技术有限公司 | The phase-change heat accumulation system of belt stirrer |
| WO2020181899A1 (en) * | 2019-03-11 | 2020-09-17 | 深圳市爱能森科技有限公司 | Phase change energy storage heat exchange system and method for heating water |
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Application publication date: 20160210 |