CN204007260U - Vertical phase-change heat storage can - Google Patents
Vertical phase-change heat storage can Download PDFInfo
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- CN204007260U CN204007260U CN201420301316.XU CN201420301316U CN204007260U CN 204007260 U CN204007260 U CN 204007260U CN 201420301316 U CN201420301316 U CN 201420301316U CN 204007260 U CN204007260 U CN 204007260U
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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
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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
- 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 utility model relates to solar light-heat power-generation technical field, discloses a kind of vertical phase-change heat storage can.This vertical phase-change heat storage can comprises vertical heat storage can tank body, a plurality of heat accumulating packaging body, porous solid matter spray equipment and phase change heat exchange device, above-mentioned heat accumulating packaging body is used for encapsulating phase-change thermal storage medium and vertical solid matter in this heat storage can tank interior, phase-change thermal storage medium is for heat accumulation or heat release, porous solid matter spray equipment is arranged in heat accumulating packaging body top for spraying phase-change heat-exchange medium, and phase change heat exchange device is arranged in this porous solid matter spray equipment top.Vertical phase-change heat storage can of the present utility model has stable structure more, higher filling rate and lower cost of manufacture.
Description
Technical field
The utility model relates to the technical field of solar light-heat power-generation system, particularly a kind of vertical phase-change heat storage can.
Background technology
Anywhere on earth, because cloud layer blocks or at night, the supply of solar energy is discontinuous.For guarantee have cloud layer to block or during night solar power system electrical network is not impacted, the solar energy that radiation intensity was altered a great deal in one day changes constant electric energy into, and solar power system is become as conventional power generation systems can dispatch the 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 two kinds of modes of latent-heat storage in the world at present.Wherein to melt salt heat accumulation be relatively ripe and have the sensible heat heat accumulation mode of commercial viability at present to two tanks, but this technology heat accumulation equipment cost used is higher, and heat accumulation energy density is lower, and the heat accumulation temperature difference is larger, implements to have a big risk.Phase-transition heat-storage technology has the features such as transition temperature area is narrow, latent heat of phase change large, heat accumulation energy density is high, and cost of manufacture is low.But the material volume in phase-change thermal storage technology heat exchange difficulty and phase transition process changes the stress problem causing to be difficult to solve always.All adopt in the world heat-conducting fluid forced-convection heat transfer, this technology exists heat-exchange temperature uneven, charges and discharge when hot the changes in flow rate of heat-transfer fluid 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, can thoroughly 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 liquid-gas two-phase of heat catalysis, solved and charged and discharged the uniformly transfer heat of hankering and charge and discharge the control difficult problem in thermal process, utilized the narrow warm area of solid-liquid phase change process implementation of phase-change heat-storage material, highdensity heat accumulation simultaneously.In order further to reduce costs, the heat storage can structure of high fill-ratio is indispensable, and therefore, we are in the urgent need to a kind of highdensity heat accumulation, high fill-ratio and heat storage can cheaply at present.
Utility model content
The purpose of this utility model is to provide a kind of vertical phase-change heat storage can.There is stable structure more, higher filling rate and lower cost of manufacture.
For solving the problems of the technologies described above, embodiment of the present utility model provides a kind of vertical phase-change heat storage can.This vertical phase-change heat storage can comprises vertical heat storage can tank body, a plurality of heat accumulating packaging body, porous solid matter spray equipment and phase change heat exchange device.Described heat accumulating packaging body is used for encapsulating phase-change thermal storage medium and vertical solid matter in described heat storage can tank interior, and described phase-change thermal storage medium is for heat accumulation or heat release; Described porous solid matter spray equipment is arranged in above described heat accumulating packaging body and for phase-change heat-exchange medium is sprayed to described heat accumulating packaging body; Described phase change heat exchange device is arranged in described porous solid matter spray equipment top.
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 the shared heat storage can tank body of heat accumulating packaging body.
Alternatively, described heat accumulating packaging body is comprised of sizes;
Alternatively, described heat accumulating packaging body is cylinder or prism.
Alternatively, described phase-change thermal storage medium is that 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 a plurality of holes, for arranging described heat accumulating packaging body.
Alternatively, described heat accumulating packaging body orifice plate is circle, rectangle, rhombus or other applicable shapes.
Alternatively, described heat accumulating packaging body orifice plate can be one or more, is arranged in each position of heat storage can tank body to fix a plurality of heat accumulating packaging bodies.Preferably, at described heat accumulating packaging body middle part, arrange on the upper side a heat accumulating packaging body orifice plate, and arrange a 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 and adopts 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 that comprises inlet, and the phase-change heat-exchange medium in described collecting pipe provides by this inlet.Preferably, described phase-change heat-exchange medium is that water, oil or other can be used for the medium of phase-change heat-exchange.
Alternatively, described heat storage can tank body has for sealing the upper and lower end socket of 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.
The utility model embodiment compared with prior art, the main distinction and effect thereof are: the heat storage tube supporting construction that vertical phase-change heat storage can has overcome traditional horizontal heat accumulation equipment deformation easily occurs, causes heat storage tube that the drawback of leaking occurs, while simplified apparatus structure, be beneficial to production, reduced tank body cost.The vertical solid matter of heat accumulating packaging body, has increased the filling rate of heat storage can, thereby has reduced cost of manufacture.For further reducing heat accumulation cost, the phase inversion heat pipe of conduction oil steam and water is arranged in to heat storage can inside, directly produce water vapour, form heat storage and exchange integrated system, this structure has improved the heat transfer effect of conduction oil steam and water, and the heat exchanger tube and the tank body equipment that have significantly reduced steam generator drop into.In addition, the vertical phase-change heat storage can of the utility model 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 according to the structural representation of the vertical phase-change heat storage can of the utility model embodiment;
Fig. 2 is according to the structural representation of the heat accumulating packaging body orifice plate in the vertical phase-change heat storage can of the utility model embodiment; And
Fig. 3 is the structural representation of the porous solid matter spray equipment in the vertical phase-change heat storage can of the utility model embodiment.
The specific embodiment
In the following description, in order to make reader understand the application better, many ins and outs have been proposed.But, persons of ordinary skill in the art may appreciate that even without these ins and outs and the many variations based on following embodiment and modification, also can realize each claim of the application technical scheme required for protection.
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail.In figure, same or analogous member uses the same reference numerals to represent.
In the utility model one embodiment, as shown in Figure 1, a vertical phase-change heat storage can comprises vertical heat storage can tank body 1, a plurality of heat accumulating packaging body 2, porous solid matter spray equipment 4 and phase change heat exchange device 5.A plurality of heat accumulating packaging bodies 2 are for encapsulating phase-change thermal storage medium and vertical solid matter in this heat storage can tank body 1 inside, and phase-change thermal storage medium is for heat accumulation or heat release.Porous solid matter spray equipment 4 is arranged in heat accumulating packaging body 2 tops and for phase-change heat-exchange medium is sprayed to heat accumulating packaging body 2.Phase change heat exchange device 5 is arranged in porous solid matter spray equipment 4 tops.
The heat accumulating packaging body 2 of encapsulation phase-change thermal storage medium is arranged in to vertical phase-change heat storage can inner, can improves heat transfer effect, for example the heat transfer effect of conduction oil steam and water, has reduced equipment investment.
Preferably, this heat storage can tank body has for sealing the upper and lower end socket 6,7 of described phase-change heat storage can.Upper and lower end socket 6,7 is ellipse head, and this heat storage can tank body is fixing by base plate 8.The tank body of vertical structure, ellipse head is conducive to the mean allocation of stress, makes on the one hand heat storage can tank body stressed evenly, and simplified apparatus structure, is beneficial to production, has reduced on the other hand tank body cost.
Preferably, above-mentioned heat accumulating packaging body forms to improve filling rate (filling rate can reach more than 73%) by sizes.Alternatively, above-mentioned heat accumulating packaging body is cylinder.
In another embodiment of the present utility model, 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 a plurality of holes, above solid matter arrange a plurality of heat accumulating packaging bodies 2.Preferably, in the present embodiment, this heat accumulating packaging body orifice plate 3 is for circular and be comprised of the circular hole of a plurality of certain sizes, not only increased the filling rate of heat storage can, and because this kind of structural symmetry is high, phase transformation interface symmetry is high, when heat exchange power invariability, heat transfer temperature difference and time are linear, control simple.The heat storage can of vertical structure is difficult for deformation occurs, and has avoided heat storage tube that the danger of leaking occurs.
Be appreciated that in other embodiment of the present utility model, this heat accumulating packaging body orifice plate 3 can be also other shapes, and has the hole shape that can correspondingly hold each heat accumulating packaging body, is not limited to above-mentioned circle.In addition, be appreciated that in other embodiment of the present utility model, also can use other devices 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 utility model, 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, adopt the heat exchange of liquid vapour latent heat, and heat accumulating packaging body surface temperature is even, the coefficient of heat transfer is large, when one timing of heat exchange amount, required fluid flow is little, and circulation power consumption is little.Be appreciated that in other embodiment of the present utility model, also can adopt other forms of phase change heat exchange device.
In another embodiment of the present utility model, as shown in Figure 3, this porous solid matter spray equipment 4 comprises heat transferring medium pipeline 9 and is linked at the small-sized shower nozzle 10 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 fluids that comprise inlet 13, and the phase-change heat-exchange medium in this collecting pipe 11 provides 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, by main line 12, collecting pipe 11, flow to each heat transferring medium pipeline 9, and spray to each heat accumulating packaging body 2 via the small-sized shower nozzle 10 being linked on heat transferring medium pipeline 9; Phase-change thermal storage Absorption of Medium heat the evaporation of liquid phase-change heat-exchange medium from heat accumulating packaging body 2; The phase-change heat-exchange medium of steam state arrives phase inversion heat pipe 5 surfaces, release heat is to the medium in phase inversion heat pipe 5 and at phase inversion heat pipe 5 surface condensations, thereby by phase-change heat-exchange, the thermal release in phase-change thermal storage medium is heated with the medium in phase inversion heat pipe, in phase inversion heat pipe, after the medium output of heating, can be used in the application such as daily life and industry.As shown in Figure 1, phase-change thermal storage medium in heat accumulating packaging body 2 discharges after certain heat, can by an input channel and an output channel in each heat accumulating packaging body 2, inject there is high heat new phase-change thermal storage medium to carry out new heat exchange program.
Although by reference some preferred embodiment of the present utility model, the utility model is illustrated and described, but those of ordinary skill in the art should be understood that and can to it, do various changes in the form and details, and do not depart from spirit and scope of the present utility model.
Claims (10)
1. a vertical phase-change heat storage can, is characterized in that, comprising:
Vertical heat storage can tank body;
A plurality of heat accumulating packaging bodies, described heat accumulating packaging body is used for encapsulating phase-change thermal storage medium and vertical solid matter in described heat storage can tank interior, and described phase-change thermal storage medium is for heat accumulation or heat release;
Porous solid matter spray equipment, is arranged in above described heat accumulating packaging body and for phase-change heat-exchange medium is sprayed to described heat accumulating packaging body; And
Phase change heat exchange device, is arranged in described porous solid matter spray equipment top.
2. vertical phase-change heat storage can according to claim 1, is characterized in that, described heat accumulating packaging body is comprised 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 a plurality of holes, 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 and adopts 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 that comprises inlet, and the phase-change heat-exchange medium in described collecting pipe provides by this inlet.
8. vertical phase-change heat storage can according to claim 7, 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 for sealing the upper and lower end socket of 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 |
|---|---|---|---|
| CN201420301316.XU CN204007260U (en) | 2014-06-06 | 2014-06-06 | Vertical phase-change heat storage can |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420301316.XU CN204007260U (en) | 2014-06-06 | 2014-06-06 | Vertical phase-change heat storage can |
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| CN204007260U true CN204007260U (en) | 2014-12-10 |
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| CN201420301316.XU Active CN204007260U (en) | 2014-06-06 | 2014-06-06 | Vertical phase-change heat storage can |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105222400A (en) * | 2015-10-13 | 2016-01-06 | 北京建筑大学 | A kind of air source heat pump heating and cooling system adopting phase-changing energy-storing |
| CN105318763A (en) * | 2014-06-06 | 2016-02-10 | 益科博能源科技（上海）有限公司 | Vertical-type phase-change thermal storage tank |
-
2014
- 2014-06-06 CN CN201420301316.XU patent/CN204007260U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105318763A (en) * | 2014-06-06 | 2016-02-10 | 益科博能源科技（上海）有限公司 | Vertical-type phase-change thermal storage tank |
| CN105222400A (en) * | 2015-10-13 | 2016-01-06 | 北京建筑大学 | A kind of air source heat pump heating and cooling system adopting phase-changing energy-storing |
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Effective date of registration: 20221128 Granted publication date: 20141210 |
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Date of cancellation: 20230528 Granted publication date: 20141210 |
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