CN202836293U - Composite type phase change heat storage device - Google Patents
Composite type phase change heat storage device Download PDFInfo
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- CN202836293U CN202836293U CN2012204688835U CN201220468883U CN202836293U CN 202836293 U CN202836293 U CN 202836293U CN 2012204688835 U CN2012204688835 U CN 2012204688835U CN 201220468883 U CN201220468883 U CN 201220468883U CN 202836293 U CN202836293 U CN 202836293U
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- heat
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- heat storage
- phase change
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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 utility model discloses a composite type phase change heat storage device which comprises a heat storage tank, an in-tank flow distribution system, at least two heat storage mediums with different phase change temperature, phase change heat storage medium packaging bodies and a control system. The heat storage mediums with different phase change temperature are packaged into the phase change heat storage medium packaging bodies. The phase change heat storage medium packaging bodies are arrayed with different phase change temperature characteristics according to a working medium flow order formed by the in-tank flow distribution system, and a temperature gradient is formed, and therefore temperature interval of heat storage or heat release is increased, and great improvement of heat storage efficient or heat release efficiency is achieved. Heat storage and heat output are controlled by the control system.
Description
Technical field
The utility model belongs to the phase-change thermal storage technical field, discloses a kind of compound phase change material device.
Background technology
In numerous field of energy utilization such as solar thermal utilization, industrial afterheat recovery, heating and air-conditioning, in order to adjust inconsistent between heat energy supply and the actual demand, the storage of heat energy is the key link very.
The heat accumulation mode of generally using at present has two large classes: sensible heat formula heat accumulation and latent heat formula heat accumulation.The basic principle of latent heat formula heat accumulation institute foundation is that material is liquid (melting) by Solid State Transformation, changes gaseous state (gasification) into by liquid state, or by the solid-state gaseous state (distillation) that directly changes into, all can absorb the heat of transformation; Then discharge the heat of transformation when carrying out inverse process.Compare with sensible heat formula heat accumulation, latent heat formula heat accumulation has two large obviously advantages: storage density is large, namely can store a lot of heat energy with very little volume; Endothermic process and exothermic process almost are to carry out under constant temperature, are conducive to match with thermal source and load.
In the process of heat accumulation and heat release, certainly exist loss in efficiency.Especially later stage of heat accumulation process is because after the amount of stored heat of heat-storage medium is increased to a certain degree, and the later stage of exothermic process, because after the amount of stored heat of heat-storage medium reduced to a certain degree, heat transfer efficiency reduced, and causes the whole utilization ratio of heat-storing device low.
Summary of the invention
The purpose of this utility model is for some the engineering difficult problems in the phase-change energy storage device, provides that a kind of energy utilization rate is high, reliable in structure, and parts are easy to make and install, and the compound phase change material device of integrated cost economy.
To achieve these goals, the utility model provides a kind of compound phase change material device, wherein comprise heat storage can, flow distribution system in the tank, the heat-storage medium of at least two kinds of different phase transition temperatures, phase-change thermal storage medium packaging body, control system, the heat-storage medium sealing of described at least two kinds of different phase transition temperatures is loaded in the phase-change thermal storage medium packaging body, phase-change thermal storage medium packaging body is arranged with different phase transition temperature characteristics according to the working media sequence of flow that flow distribution system in the tank forms, the formation temperature gradient, thereby strengthen the temperature range of heat accumulation or heat release, realize significantly promoting the efficient of heat accumulation or heat release, store and output by the controlled heating capacity of described control system.
Described phase-change thermal storage medium packaging body is sphere, cylinder or other geometry shapes.
Described phase-change thermal storage medium packaging body is heat storage can itself, working media flow through be arranged in phase-change thermal storage medium inside heat transfer pipe with heat transferred phase-change thermal storage medium or from phase-change thermal storage Absorption of Medium heat, heat transfer pipe and heat storage can junction are tight.
Inject a certain amount of nitrogen or other inert gases in the described phase-change thermal storage medium packaging body.
Flow distribution system in the described tank, comprising movement-oriented pipe or movement-oriented plate, is up and down laminar flow, perhaps vertical direction left and right sides laminar flow with the flow distribution of working media in heat storage can, perhaps radially layered flows, perhaps multiple type of flow combination.
The working media flow direction that forms according to flow distribution system in the tank after the described different phase transition temperature heat-storage medium encapsulation is arranged, and it puts in order and can arrange from low to high according to phase transition temperature, perhaps arranges from high to low.
Described heat storage can is made by metal material, and it is shaped as cylindrical shape or cube shaped, and its arrangement form can be vertical or horizontal.
Described heat storage can skin comprises insulation material.
Described heat storage can comprises working media import and export interface, and the flow channel of the working media of heat accumulation and heat release in heat storage can communicates or be mutually isolated.
Described working media can be water, steam, flue gas, organic heat carrier oil, fused salt fluid or other fluids.
The beneficial effect of the utility model embodiment is: by being arranged in the flow direction of working media after the phase-change thermal storage medium encapsulation with at least two kinds of different phase transition temperatures, the formation temperature gradient, can improve heat accumulation when work to the heat absorption amount of working media, and when heat release is worked to the heat release heat output of working media, thereby improve the whole work efficiency of heat-storing device.
When in conjunction with the accompanying drawing at first described briefly with reference to once to more detailed description of the present utility model the time, it is more obvious that these and other embodiment of the present utility model, feature and advantage will become for a person skilled in the art.
Description of drawings
Fig. 1 has shown the principle schematic of the compound phase change material device of the utility model.
Fig. 2 has shown the compound phase change material device structural representation of the utility model embodiment working media for flowing in the pipe.
Fig. 3 is that the type of flow is the schematic diagram of vertical direction left and right sides laminar flow in the utility model embodiment tank.
Fig. 4 is that the type of flow is the schematic diagram that radially layered flows in the utility model embodiment tank.
The specific embodiment
Below describe in detail and should read with reference to accompanying drawing, wherein identical reference number refers to identical/similar element in all different figure.The accompanying drawing of not necessarily drawing in proportion shows the embodiment of selection and is not intention restriction scope of the present utility model.Detailed description is with for example but not in the mode of restriction principle of the present utility model has been described.This specification obviously will make those skilled in the art can make and utilize the utility model, and describe and comprise of the present utility model some embodiment, remodeling, modification, alternative and the purposes of thinking at present to carry out optimal mode of the present utility model.
In addition, it must be noted that, comprise a plurality of referents such as singulative used in this specification and the appended claims " ", " one " and " being somebody's turn to do ", unless context is clearly pointed out in addition.
The utility model discloses embodiment and the modification of compound phase change material device.Below in conjunction with accompanying drawing the specific embodiment of the present utility model is elaborated.
Please refer to Fig. 1, Fig. 1 is the principle schematic of the compound phase change material device of the utility model.The phase-change thermal storage medium 11 and 12 of described at least two kinds of different phase transition temperatures is packaged in the phase-change thermal storage medium packaging body 13.The described phase-change thermal storage medium packaging body a certain amount of nitrogen of 13 interior injections or other inert gases are to absorb the volumetric expansion variable quantity of phase-change thermal storage medium 11 or 12.All phase-change thermal storage medium packaging bodies 13 are arranged according to the direction that working media flows, and form the heat transfer zone of different temperatures, with this formation temperature gradient.Flowing by 2 guiding of flow distribution system in the tank of heat input service medium 31 and heat output services medium 32, in the present embodiment, flow distribution system 2 comprises movement- oriented plate 21,22 and 23 in the tank.Flow distribution system 2 is loaded on heat storage can 4 inside in all phase-change thermal storage medium packaging bodies 13 and the tank, and the heat storage can skin has heat-insulation layer 5, can reduce the radiation loss of heat-storing device.The import and export that comprise heat input service medium 31 and heat output services medium 32 on the heat storage can 4 take over 41,42,43,44, and corresponding valve 45,46,47,48.Temperature measuring instrument 62 and the pressure measuring instruments 63 installed on the heat storage can 4 feed back to temperature signal and pressure signal in the controller 61, and controller 61 sends signal by mobile realization heat accumulation or the heat release of valve 45,46,47,48 control working medias.Heat storage can shown in this figure 4 be shaped as cylindrical shape, made by metal material, optional, the shape of heat storage can 4 can be made into cube shaped.The arrangement form of heat storage can shown in this figure 4 is vertical, and optional, the arrangement form of heat storage can 4 can be horizontal.In the present embodiment, heat input service medium 31 and the flow channel of heat output services medium 32 in heat storage can 4 communicate.
Heat input service medium 31 and heat output services medium 32 can be water, steam, flue gas, organic heat carrier oil, fused salt fluid or other fluids.
Please refer to Fig. 2, Fig. 2 has shown the compound phase change material device structural representation of the utility model embodiment working media for flowing in the pipe.The phase-change thermal storage medium 11 and 12 of described at least two kinds of different phase transition temperatures is packaged in the heat storage can 4.In this embodiment, in the tank flow distribution system 2 be two be arranged in phase-change thermal storage medium 11 and 12 inside snake bend 24,25, heat input service medium 31 and heat output services medium 32 flow through respectively snake bend 24 or 25, absorb heat with heat transferred phase-change thermal storage medium 11,12 or from phase-change thermal storage medium 11,12, snake bend 24,25 and heat storage can 4 junctions tight, prevent from revealing.In the present embodiment, heat input service medium 31 and the flow channel of heat output services medium 32 in heat storage can 4 are mutually isolated.
Please refer to Fig. 3, Fig. 3 is that the type of flow is the schematic diagram of vertical direction left and right sides laminar flow in the utility model embodiment tank.In the present embodiment, flow distribution system 2 comprises the movement- oriented plate 26,27 of vertical layout in the tank, is according to vertical direction left and right sides laminar flow with the movement-oriented of working media.Having encapsulated the phase-change thermal storage medium 11 of at least two kinds of different phase transition temperatures and 12 phase-change thermal storage medium packaging body 13 is arranged between the movement-oriented plate 26,27.
Please refer to Fig. 4, Fig. 4 is that the type of flow is the schematic diagram that radially layered flows in the utility model embodiment tank.In the present embodiment, flow distribution system 2 comprises columnar movement-oriented plate 28 and dividing plate 29 in the tank, is according to circumference radial direction laminar flow with the movement-oriented of working media.Having encapsulated the phase-change thermal storage medium 11 of at least two kinds of different phase transition temperatures and 12 phase-change thermal storage medium packaging body 13 is arranged between movement-oriented plate 28 and heat storage can 4 walls.
Disclosure of the present utility model is illustrative and not restrictive.According to present disclosure, to those skilled in the art, more remodeling become apparent, and these remodeling will be included in the scope of claims.
Claims (10)
1. compound phase change material device, wherein comprise heat storage can, flow distribution system in the tank, the heat-storage medium of at least two kinds of different phase transition temperatures, phase-change thermal storage medium packaging body, control system, it is characterized in that, the heat-storage medium sealing of described at least two kinds of different phase transition temperatures is loaded in the phase-change thermal storage medium packaging body, phase-change thermal storage medium packaging body is arranged with different phase transition temperature characteristics according to the working media sequence of flow that flow distribution system in the tank forms, the formation temperature gradient, thereby strengthen the temperature range of heat accumulation or heat release, realize significantly promoting the efficient of heat accumulation or heat release, store and output by the controlled heating capacity of described control system.
2. according to claim 1 compound phase change material device is characterized in that: described phase-change thermal storage medium packaging body is spherical, cylinder or other geometry shapes.
3. according to claim 1 compound phase change material device, it is characterized in that: described phase-change thermal storage medium packaging body is heat storage can itself, working media flow through be arranged in phase-change thermal storage medium inside heat transfer pipe with heat transferred phase-change thermal storage medium or from phase-change thermal storage Absorption of Medium heat, heat transfer pipe and heat storage can junction are tight.
4. according to claim 1 compound phase change material device is characterized in that: inject a certain amount of nitrogen or other inert gases in the described phase-change thermal storage medium packaging body.
5. according to claim 1 compound phase change material device, it is characterized in that: flow distribution system in the described tank, comprise movement-oriented pipe or movement-oriented plate, be laminar flow up and down with the flow distribution of working media in heat storage can, perhaps vertical direction left and right sides laminar flow, perhaps radially layered flows, perhaps multiple type of flow combination.
6. according to claim 1 compound phase change material device, it is characterized in that: the working media flow direction that forms according to flow distribution system in the tank after the described different phase transition temperature heat-storage medium encapsulation is arranged, it puts in order and can arrange from low to high according to phase transition temperature, perhaps arranges from high to low.
7. according to claim 1 compound phase change material device, it is characterized in that: described heat storage can is made by metal material, and it is shaped as cylindrical shape or cube shaped, and its arrangement form can be vertical or horizontal.
8. according to claim 1 compound phase change material device, it is characterized in that: described heat storage can skin comprises insulation material.
9. according to claim 1 compound phase change material device is characterized in that: described heat storage can comprises that working media imports and exports interface, and the flow channel of the working media of heat accumulation and heat release in heat storage can communicates or be mutually isolated.
10. according to claim 1 compound phase change material device, it is characterized in that: described working media can be water, steam, flue gas, organic heat carrier oil, fused salt fluid or other fluids.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204688835U CN202836293U (en) | 2012-09-14 | 2012-09-14 | Composite type phase change heat storage device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204688835U CN202836293U (en) | 2012-09-14 | 2012-09-14 | Composite type phase change heat storage device |
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| CN202836293U true CN202836293U (en) | 2013-03-27 |
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| CN2012204688835U Expired - Fee Related CN202836293U (en) | 2012-09-14 | 2012-09-14 | Composite type phase change heat storage device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102954726A (en) * | 2012-09-14 | 2013-03-06 | 上海骄英能源科技有限公司 | Composite phase-change heat storage device |
| CN105486135A (en) * | 2015-12-31 | 2016-04-13 | 河南东大高温节能材料有限公司 | Sensible heat-latent heat composite heat storage unit with gas as heat transfer fluid |
| CN107246815A (en) * | 2017-07-11 | 2017-10-13 | 南京华电节能环保设备有限公司 | A kind of anti-corrosion heat-condutive oil heat exchanger |
| CN107289427A (en) * | 2017-07-11 | 2017-10-24 | 南京华电节能环保设备有限公司 | A kind of high heat exchange efficiency heat conduction oil vaporizer |
| CN109357278A (en) * | 2018-11-27 | 2019-02-19 | 重庆大学 | Heat-exchanger rig and system are stored based on the three-dimensional ash-laden gas dedusting for expanding surface |
| CN109489460A (en) * | 2018-11-27 | 2019-03-19 | 重庆大学 | A kind of ash-laden gas stage purification residual neat recovering system and dedusting store heat-exchanger rig |
-
2012
- 2012-09-14 CN CN2012204688835U patent/CN202836293U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102954726A (en) * | 2012-09-14 | 2013-03-06 | 上海骄英能源科技有限公司 | Composite phase-change heat storage device |
| CN105486135A (en) * | 2015-12-31 | 2016-04-13 | 河南东大高温节能材料有限公司 | Sensible heat-latent heat composite heat storage unit with gas as heat transfer fluid |
| CN107246815A (en) * | 2017-07-11 | 2017-10-13 | 南京华电节能环保设备有限公司 | A kind of anti-corrosion heat-condutive oil heat exchanger |
| CN107289427A (en) * | 2017-07-11 | 2017-10-24 | 南京华电节能环保设备有限公司 | A kind of high heat exchange efficiency heat conduction oil vaporizer |
| CN107246815B (en) * | 2017-07-11 | 2023-02-03 | 南京华电节能环保股份有限公司 | Rust-proof heat transfer oil heat exchanger |
| CN109357278A (en) * | 2018-11-27 | 2019-02-19 | 重庆大学 | Heat-exchanger rig and system are stored based on the three-dimensional ash-laden gas dedusting for expanding surface |
| CN109489460A (en) * | 2018-11-27 | 2019-03-19 | 重庆大学 | A kind of ash-laden gas stage purification residual neat recovering system and dedusting store heat-exchanger rig |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130327 Termination date: 20190914 |
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| CF01 | Termination of patent right due to non-payment of annual fee |