CN201819600U - Phase-change energy storing device - Google Patents
Phase-change energy storing device Download PDFInfo
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- CN201819600U CN201819600U CN2010205514916U CN201020551491U CN201819600U CN 201819600 U CN201819600 U CN 201819600U CN 2010205514916 U CN2010205514916 U CN 2010205514916U CN 201020551491 U CN201020551491 U CN 201020551491U CN 201819600 U CN201819600 U CN 201819600U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
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Abstract
The utility model discloses a phase-change energy storing device, belonging to the technical field of energy storing devices. The phase-change energy storing device can be used for air conditioning and hot water supplying. The phase-change energy storing device comprises an energy storing container, wherein the energy storing container is internally provided with two sets of capillary heat exchanging structures, each set of the capillary heat exchanging structure comprises a plurality of water collecting pipes and a plurality of discharging water collecting pipes, each set of the water collecting pipes and each set of the discharging water collecting pipes are connected with a plurality of capillary heat exchangers in parallel, and the space of the energy storing container is internally filled with phase-change energy storing material. The device can be used for storing the cold and supplying the cold in summer, and storing the hot and supplying the hot in winter, i.e. air conditioning and hot water supplying. The device effectively combines a phase-change technology with the capillary heat exchanging technology, thereby having the advantages of being stable and safe in operating condition, large in hot storing capability, small in volume, and the like. The phase-change energy storing device can effectively store the energy, effectively solves the problem that the supply and the demand of the energy sources are not matched on the time and the intensity, can enable users to save the energy charge, and is beneficial to remitting the condition that the peak load and the peak-valley difference are overlarge.
Description
Technical field
The utility model belongs to the energy storage equipment technical field, particularly a kind of phase-changing energy-storing device, and this phase-changing energy-storing device can be used for air-conditioning, hot water supply.
Background technology
Energy-storage system is to alleviate energy supply and demand both sides unmatched effective means on time, intensity and place, is reasonable energy utilization and the effective way that alleviates environmental pollution, is the important means of broad sense heat energy system optimization operation.Comprehensive relatively heat energy storing mode, phase-changing energy-storing is big with its storage density, the storage heater compact conformation, volume is little, the thermal efficiency is high, the heat absorption exothermic temperature is constant, easily mate, be easy to outstanding advantage such as control with operational system, day by day become the first-selection of heat reservoir, bringing into play important effect and tempting application prospect is arranged in fields such as building energy conservation, solar energy utilization, waste heat recovery and electric power peak load shiftings.
The utility model content
Deficiencies such as the utility model is low at the heat exchange efficiency that existing phase-changing energy-storing technology exists, the heat storage capacity difference and proposed a kind of phase-changing energy-storing device.
A kind of phase-changing energy-storing device, comprise the accumulation of energy container, two groups of capillary heat exchange structures are set in the described accumulation of energy container, each group capillary heat exchange structure includes into collector pipe and goes out collector pipe, organize into collector pipe and go out all to be parallel with some capillary heat exchangers on the collector pipe at each, be filled with energy storage materials of phase change in the described accumulation of energy vessel space.
The present invention flows to phase-change material by two groups of capillary heat exchangers with heat or cold, phase-change material absorbs and storage power, when system needs heat or cold, feed refrigerant or heating agent and from energy storage equipment, extract heat or cold, satisfy life or requirement of engineering.
Because phase-change material when undergoing phase transition, can absorb or discharge lot of energy, therefore can make the accumulation of energy ability of energy storage equipment obtain bigger raising as energy-accumulation material with it.Heat exchange area is big because capillary has, and heat exchange is even, and therefore the characteristics of good effect of heat exchange adopt it to can greatly improve heat exchange efficiency as heat exchanger.
In order to meet working condition requirement, the material of capillary heat exchange structure can adopt have high temperature, the hot-melt plastic material of high pressure resistant, corrosion-resistant characteristic, select the PPR material, not only be green material, and energy storage equipment had widely use.The capillary external diameter is generally 3～5mm.
Described accumulation of energy container adopts drum shape, the capillary heat exchanger of two groups of capillary heat exchange structures all is arranged in the described accumulation of energy container twist, the material that carries heat or cold enters by advancing collector pipe, behind some capillary heat exchangers (4) of parallel connection, discharge through going out collector pipe, in order to improve heat exchange efficiency, two groups of capillary heat exchangers of the present invention adopt counter-flow arrangement, the capillary heat exchanger spacing each other of two groups of capillary heat exchange structures is: 10～20mm, preferred 15mm.This kind counter-flow arrangement mode not only is beneficial to heat exchange, and is simultaneously consistent with the contour structures of accumulation of energy container, makes that to hold exoergic more efficient, and the volume of whole energy storage equipment is reduced.In the process of using, according to different use needs, this heat exchanger both can be used as the accumulation of energy heat exchanger and had used, and also can be used as the exoergic heat exchanger and used; Because the capillary heat exchanger is two groups, also can use simultaneously, promptly comprises accumulation of energy heat exchanger and exoergic heat exchanger simultaneously.
Phase-change material is selected suitable material according to the phase transition temperature that accumulation of energy requires, and phase-change material can be inorganic salts, organic matter or organic/inorganic composite material.During general cold-storage, can adopt inorganic salts as phase-change material, it has the accumulation of energy characteristics of low temperature phase change, and the inorganic salts material price is cheap, and is comparatively economical.Its phase transition temperature should preferably can satisfy the material of supply water temperature a little more than dew-point temperature, as 10～15 ℃.During accumulation of heat, can adopt organic phase change material (as paraffin) also can adopt composite phase-change material (as PX-58), the optional temperature that is suitable for the capillary radiation heat supply of phase transition temperature is as 40～50 ℃.If phase-change material can satisfy the phase-change material of supply water temperature 50～70 ℃ of left and right sides accumulation of energy requirements, then this energy storage equipment also can be used as the domestic water accumulator.
When the selection of energy-accumulation material, pay the utmost attention to and manufacturing the environment-friendly materials of process neutralization materials in reclaiming, guarantee nontoxicly, pollution-free simultaneously, consider service life simultaneously and do not have corrosion not have the requirement of aspect such as volatilization.
Energy storage equipment of the present utility model can be provided with heat-insulation layer according to instructions for use outside the accumulation of energy container, can adopt rubber-plastic sponge directly to be wrapped in outside getting final product with bandage, and is simple, and the friction on minimizing and ground.
Be provided with charging aperture above the energy storage equipment, be provided with discharging opening below.Consider changes of seasons, and summer in winter is to the temperature requirement difference of institute's accumulation of energy, be respectively arranged with charging aperture and discharging opening on container, so that change the energy-accumulation material of different temperatures in the container as required, so this energy storage equipment provides the possibility that satisfies demand in summer in winter with an equipment simultaneously.
Described accumulation of energy container preferably adopts corrosion-resistant, anti-extrusion fiberglass to make.
The beneficial effects of the utility model are: this device can be used for cool-storage in summer cooling, winter storage heating operating mode, i.e. air-conditioning or domestic hot-water's supply.This device effectively combines phase transformation and capillary heat transfer technology, has advantages such as operating condition is stable, safety, heat storage capacity is big, volume is little.This phase-changing energy-storing device with energy efficient store, solved the unmatched problem of energy availability and demand on time and intensity effectively, can make the user save the electricity charge, it is excessive to help alleviating electrical network peak load and peak-valley difference again.Following advantage is arranged:
1. reasonable in design, the heat exchange efficiency height, heat storage capacity is big, and heat storage efficiency can reach more than 90%, and volume is little, is applicable to that civil building and family use.
2. easy to use, economical and practical.Can directly utilize the natural cooling and heating source,,, can make full use of solar heat-preservation daytime, utilize night water to carry out heat exchange and keep indoor comfort temperature in the big area of the temperature difference day and night as solar energy, cooling tower, lake water etc.Or utilize the cooling tower cold-storage, daytime, released cold quantity was kept indoor temperature.
3. energy storage when low power consumption releases energy when peak of power consumption, thereby can alleviate the excessive pressure of network load.
4. material environment friendly, long service life, the utility model material therefor is the recyclable material that utilizes, and corrosion-resistant, need not power part, without any pollutant, the phase-change material of this device holds the exoergic number of times and can reach more than 3000 times, and be 50 years service life capillaceous.
Description of drawings
Fig. 1 is the structural representation of the utility model phase-changing energy-storing device;
Fig. 2 is the profile of the utility model phase-changing energy-storing device;
Fig. 3 is a capillary heat exchanger structure schematic diagram;
Fig. 4 arranges vertical view for capillary;
Fig. 5 is the utility model phase-changing energy-storing device fundamental diagram
Among the figure: the 1-heat-insulation layer; 2-accumulation of energy vessel; The 3-energy storage materials of phase change; 4-capillary heat exchanger; First group of capillary heat exchange structure of 5-; Second group of capillary heat exchange structure of 6-; The 7-charging aperture; The 8-discharging opening; 51-first advances collector pipe; 52-first goes out collector pipe; 61-second advances collector pipe; 62-second goes out collector pipe.
The specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing:
A kind of phase-changing energy-storing device, the structural representation of phase-changing energy-storing device as shown in Figure 1, its profile as shown in Figure 2, comprise accumulation of energy container 2, two groups of capillary heat exchange structures are set in the described accumulation of energy container 2, each group capillary heat exchange structure includes into collector pipe and goes out collector pipe, organizes into collector pipe and goes out all to be parallel with some capillary heat exchangers 4 on the collector pipe at each, and described accumulation of energy container is filled with energy storage materials of phase change 3 in 2 spaces.Capillary heat exchanger structure schematic diagram as shown in Figure 3.
The capillary heat exchanger 4 of two groups of capillary heat exchange structures all is arranged in the described accumulation of energy container 2 twist.Capillary is arranged vertical view as shown in Figure 4.Described two groups of capillary heat exchange structures are first group of capillary heat exchange structure 5 and second group of capillary heat exchange structure 6, described first group of capillary heat exchange structure 5 comprises that first advances collector pipe 51 and first and go out collector pipe 52, described first advances collector pipe 51 and described first goes out to be parallel with some capillaries on the collector pipe 52, described second group of capillary heat exchange structure 6 comprises that second advances collector pipe 61 and second and go out collector pipe 62, and described second advances collector pipe 61 and described second goes out to be parallel with some capillaries on the collector pipe 62.
Described accumulation of energy container 2 is a drum shape, adopts corrosion-resistant, anti-extrusion fiberglass to make.
The external diameter of described capillary heat exchanger 4 is 5mm.
The material that carries heat or cold enters by advancing collector pipe, behind some capillary heat exchangers 4 of parallel connection, discharges through going out collector pipe, and two groups of capillary heat exchangers 4 adopt counter-flow arrangement.
The material of described capillary heat exchanger 4 can adopt have high temperature, the hot-melt plastic material of high pressure resistant, corrosion-resistant characteristic, preferred PPR plastics.
Below in conjunction with drawings and Examples the utility model is described in further detail.
Fundamental diagram when accompanying drawing 5 uses for the utility model.
When the Cooling and Heat Source (phreatic water, solar energy, heat exchange station used heat etc.) of cheapness is in liberal supply, be that media provides power by water circulating pump with water, provide energy (hot and cold) to energy storage equipment;
During accumulation of energy, the above-mentioned hot water or cold water capillary heat exchanger 4 in the energy storage equipment of flowing through passes to energy-accumulation material 3 by the water in the capillary heat exchanger 4 and the temperature difference between the energy storage materials of phase change 3 with energy, makes it undergo phase transition (accumulation of heat: solid → liquid; Cold-storage: liquid → solid), thereby reach the purpose of storage power;
During exoergic, starting the switch link to each other with user side (user side can adopt capillary end or fan coil etc.), is media equally with water, makes in the capillary heat exchanger 4 of water in energy storage equipment in the pipeline with user's end to circulate.Make and produce the temperature difference between water in the heat exchanger 4 and the energy storage materials of phase change 3 from the backwater of the user side heat exchanger 4 of flowing through, thereby bring out the reverse phase transformation (heat release: liquid → solid of phase-change material; Put cold: solid → liquid), energy by extracting in the energy storage materials of phase change 3, is provided in the energy delivery system and goes.For instance: in dwelling house, used solar thermal collector+phase-changing energy-storing device, just the thermal energy storage that is produced by sun the subject of knowledge and the object of knowledge in the daytime can have been got up, and be applied in the indoor heat supply at night.Otherwise, can store the outdoor natural cold quantity at night with the phase-changing energy-storing device, and at day to give room temperature lowering.
During not at one time with the place, energy storage equipment can be only with a heat exchanger at accumulation of energy and exoergic.Its work engineering is as follows:
During accumulation of energy, energy storage equipment can be transported to the occasion that cold and heat source is provided, this device be received carried out phase-changing energy-storing (as solar thermal collector, city thermo-power station used heat, centralized cold supply station etc.) on the cold and heat source;
When needs used energy, the energy storage equipment that will hold full energy was transported to the occasion of energy demand, and energy storage equipment is connected with the energy delivery system, and release energy (as floor panel heating, fan coil etc.) are just can obtain cold/heat easily.
Adopt this phase-changing energy-storing device to store/carry/distribute energy, can make full use of low fire and use the energy, solved the unmatched problem of energy supply and demand, thereby reached purpose of energy saving, also will bring huge economic and social benefit simultaneously.
Claims (10)
1. phase-changing energy-storing device, comprise accumulation of energy container (2), it is characterized in that: two groups of capillary heat exchange structures are set in the described accumulation of energy container (2), each group capillary heat exchange structure includes into collector pipe and goes out collector pipe, organize into collector pipe and go out all to be parallel with some capillary heat exchangers (4) on the collector pipe at each, described accumulation of energy container (2) is filled with energy storage materials of phase change (3) in the space.
2. a kind of phase-changing energy-storing device according to claim 1 is characterized in that: the capillary heat exchanger (4) of two groups of capillary heat exchange structures all is arranged in the described accumulation of energy container (2) twist.
3. a kind of phase-changing energy-storing device according to claim 1 is characterized in that described accumulation of energy container (2) is a drum shape.
4. a kind of phase-changing energy-storing device according to claim 1 is characterized in that: the external diameter of described capillary heat exchanger (4) is 3～5mm.
5. a kind of phase-changing energy-storing device according to claim 1 is characterized in that: capillary heat exchanger (4) spacing each other of two groups of capillary heat exchange structures is 10～20mm.
6. a kind of phase-changing energy-storing device according to claim 1, it is characterized in that: the material that carries heat or cold enters by advancing collector pipe, behind some capillary heat exchangers (4) of parallel connection, to discharge through going out collector pipe, two groups of capillary heat exchangers (4) adopt counter-flow arrangement.
7. a kind of phase-changing energy-storing device according to claim 1 is characterized in that: the material of described capillary heat exchanger (4) is the PPR plastics.
8. a kind of phase-changing energy-storing device according to claim 1 is characterized in that, charging aperture (7) and drain hole (8) are set on the described accumulation of energy container (2).
9. a kind of phase-changing energy-storing device according to claim 1 is characterized in that described energy storage materials of phase change (3) is inorganic salts phase-change material, organic phase change material or organic inorganic composite phase-change material.
10. a kind of phase-changing energy-storing device according to claim 1 is characterized in that, the outer heat-insulation layer (1) that is provided with of described accumulation of energy container (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205514916U CN201819600U (en) | 2010-09-29 | 2010-09-29 | Phase-change energy storing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205514916U CN201819600U (en) | 2010-09-29 | 2010-09-29 | Phase-change energy storing device |
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| CN201819600U true CN201819600U (en) | 2011-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010205514916U Expired - Fee Related CN201819600U (en) | 2010-09-29 | 2010-09-29 | Phase-change energy storing device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101968328A (en) * | 2010-09-29 | 2011-02-09 | 北京建筑工程学院 | Phase-change energy storage device |
| CN103009962A (en) * | 2011-09-27 | 2013-04-03 | 株式会社东芝 | Air-conditioning system |
| CN103256770A (en) * | 2012-04-23 | 2013-08-21 | 中国科学院理化技术研究所 | Cryogenic treatment equipment with cold energy recovery device |
| CN105066232A (en) * | 2015-08-24 | 2015-11-18 | 沈阳建筑大学 | Heat storage structure achieving flow heat exchange in phase-change materials through capillary tubes |
| CN106653291A (en) * | 2017-01-10 | 2017-05-10 | 全球能源互联网研究院 | System for performing forced circulating cooling on transformer through day and night temperature difference |
| CN111826130A (en) * | 2020-07-27 | 2020-10-27 | 安徽国微华芯环境科技有限公司 | Low-temperature phase-change cold-storage composite solvent, preparation method thereof and generating device |
-
2010
- 2010-09-29 CN CN2010205514916U patent/CN201819600U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101968328A (en) * | 2010-09-29 | 2011-02-09 | 北京建筑工程学院 | Phase-change energy storage device |
| CN103009962A (en) * | 2011-09-27 | 2013-04-03 | 株式会社东芝 | Air-conditioning system |
| CN103009962B (en) * | 2011-09-27 | 2015-12-16 | 株式会社东芝 | Air conditioner system |
| CN103256770A (en) * | 2012-04-23 | 2013-08-21 | 中国科学院理化技术研究所 | Cryogenic treatment equipment with cold energy recovery device |
| CN103256770B (en) * | 2012-04-23 | 2015-07-08 | 中国科学院理化技术研究所 | Cryogenic treatment equipment with cold energy recovery device |
| CN105066232A (en) * | 2015-08-24 | 2015-11-18 | 沈阳建筑大学 | Heat storage structure achieving flow heat exchange in phase-change materials through capillary tubes |
| CN105066232B (en) * | 2015-08-24 | 2017-11-14 | 沈阳建筑大学 | It is a kind of using capillary in phase-change material fluid interchange regenerative structure |
| CN106653291A (en) * | 2017-01-10 | 2017-05-10 | 全球能源互联网研究院 | System for performing forced circulating cooling on transformer through day and night temperature difference |
| CN111826130A (en) * | 2020-07-27 | 2020-10-27 | 安徽国微华芯环境科技有限公司 | Low-temperature phase-change cold-storage composite solvent, preparation method thereof and generating device |
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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: 20110504 Termination date: 20170929 |
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| CF01 | Termination of patent right due to non-payment of annual fee |