CN202853155U - Phase-change material assisting heat storage device - Google Patents
Phase-change material assisting heat storage device Download PDFInfo
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- CN202853155U CN202853155U CN 201220515916 CN201220515916U CN202853155U CN 202853155 U CN202853155 U CN 202853155U CN 201220515916 CN201220515916 CN 201220515916 CN 201220515916 U CN201220515916 U CN 201220515916U CN 202853155 U CN202853155 U CN 202853155U
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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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Abstract
The utility model discloses a phase-change material assisting heat storage device which comprises a solar thermal collector, a water storage tank and a phase change heat storage device, wherein the water storage tank is connected with a cold water inlet pipe, a cold water outlet pipe, a hot water inlet pipe and a hot water outlet pipe, and the cold water outlet pipe and the hot water inlet pipe are respectively connected with two ends of the solar thermal collector. The hot water inlet pipe is provided with a first three-way valve, wherein an a end and a c end of the first three-way valve are both communicated with the hot water inlet pipe. The hot water outlet pipe is provided with a second three-way valve, wherein an a end and a c end of the second three-way valve are both communicated with the hot water outlet pipe. The phase change heat storage device is connected with a b end of the first three-way valve, the cold water outlet pipe, a b end of the second three-way valve and the hot water outlet pipe through pipelines. According to the phase-change material assisting heat storage device, phase-change material is utilized for heat storage, and therefore hot water output of the system is increased, heat waste is effectively avoided, stability of heat supplying is improved, and heat collecting efficiency of the solar thermal collector is improved.
Description
Technical field
The utility model relates to field of solar energy utilization, refers in particular to a kind of phase-change material auxiliary regenerator device.
Background technology
Current solar thermal collector be used to domestic hot water or heating are provided mainly is divided into vacuum tube type heat collector and flat plate collector two classes, and the vacuum tube type heat collector thermal efficiency is relatively high, and heat-collecting temperature is relatively high, and heat loss is relatively less, is widely used.Vacuum tube type heat collector mainly is divided into glass structure, glass metal structure and heat pipe-type.The glass structure water capacity is large, thermal capacitance is large, hot exposure is slow.
Solar energy heating is generally with collecting with usefulness, often need regenerative apparatus, current most solar heat-storing device is common solar heat-preservation water tank, solar heat-preservation water tank often volume needs larger, and when changing with weather or season, water temperature changes greatly in the solar heat-preservation case, hot water boiling or ice formation issues can occur, and the accumulation of heat effect is relatively poor.Simultaneously, because the pattern of storage tank general using layering accumulation of heat, namely when cold water entered from the storage tank lower end, because cold water density is large, hot water density was little, and hot water can by " top " to the storage tank upper strata, cause the storage tank temperature layering accumulation of heat phenomenon to occur from top to bottom; During water outlet, stop using when the outlet water temperature is lower than uniform temperature (such as 40 ℃) time, cause after-heat to be utilized, thereby reduce effective water yield.
The utility model content
In order to solve the problem of existing solar thermal collector or other large-sized solar hot water engineering heat storage water tank heat wastes, the utility model proposes a kind of phase-change material auxiliary regenerator device, utilize phase-change material to carry out accumulation of heat, hold that the heat-storing material temperature remains unchanged in the exothermic process, increased the hot water output of system, effectively avoid heat waste, and improved the stability of heat supply.
The technical scheme that the utility model adopts is: a kind of phase-change material auxiliary regenerator device, comprise solar thermal collector, storage tank and phase transition heat accumulation unit, described storage tank is connected with into cold water pipe, go out cold water pipe, advance hot-water line and hot-water outlet pipe, described solar thermal collector two ends connect respectively cold water pipe and advance hot-water line, advance hot-water line and be provided with the first triple valve, the a end of described the first triple valve is communicated with respectively into hot-water line with the c end, the hot-water outlet pipe is provided with the second triple valve, the a end of described the second triple valve is communicated with respectively the hot-water outlet pipe with the c end, and described phase transition heat accumulation unit is held by the b of pipeline and the first triple valve respectively, go out cold water pipe, the b end of the second triple valve, the hot-water outlet pipe connects.
The utility model utilizes phase-change material to carry out accumulation of heat, thermal storage density is relatively high, hold that the heat-storing material temperature remains unchanged in the exothermic process, utilize high latent heat phase-change material to carry out solar heat-collection and heat-accumulation, can on the basis of original solar engineering, with minimum heat-accumulator tank volume, increase greatly the hot water output of system, effectively avoid heat waste, improved the stability of heat supply.
As preferably, described solar thermal collector is the solar energy vacuum glass heat collector.Vacuum glass structure water capacity is large, and thermal capacitance is large.
Preferred as another, described solar thermal collector is flat plate collector.
As preferably, phase transition heat accumulation unit is compound phase change structure.Composite phase-change material is to be combined with a kind of backing material with cross-linked structure by special additive by phase-change material to make, when its characteristics are phase-change material in molten state or mechanical failure occur, leakage phenomenon can not occur, phase-change material content is higher, and energy storage density is high, has certain pliability, the phase transition process Volume Changes is little, recycling capable of circulation, nontoxic pollution-free, long service life.
The beneficial effects of the utility model are: utilize phase-change material to carry out accumulation of heat, increased the hot water output of system, effectively avoided heat waste, and improve the stability of heat supply, improve the collecting efficiency of solar thermal collector.
Description of drawings
Fig. 1 is a kind of structural representation of the present utility model.
Among the figure, the 1-solar thermal collector, the 2-storage tank, the 3-phase-change energy storage device, 4-the first triple valve, 5-the second triple valve, 6-advances cold water pipe, and 7-goes out cold water pipe, and 8-advances hot-water line, the 9-hot-water outlet pipe.
The specific embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.
As shown in Figure 1, a kind of phase-change material auxiliary regenerator device comprises solar thermal collector 1, storage tank 2 and phase transition heat accumulation unit 3, and wherein solar thermal collector 1 is the solar energy vacuum glass heat collector, and phase transition heat accumulation unit 3 adopts compound phase-change material to make.Storage tank 2 is connected with into cold water pipe 6, goes out cold water pipe 7, advances hot-water line 8 and hot-water outlet pipe 9, solar thermal collector 1 two ends connect respectively cold water pipe 7 and advance hot-water line 8, advance the first triple valve 4 is installed on the hot-water line 8, the a end of the first triple valve 4 is communicated with respectively into hot-water line 8 with the c end, the second triple valve 5 is installed on the hot-water outlet pipe 9, the a end of the second triple valve 5 is communicated with respectively hot-water outlet pipe 9 with the c end, and phase transition heat accumulation unit 3 is connected with b end, the hot-water outlet pipe 9 that the b of the first triple valve 4 held, went out cold water pipe 7, the second triple valve 5 by pipeline respectively.
In the storage thermal process, solar thermal collector 1 is finished the absorption of solar energy, the cold water that enters solar thermal collector 1 is converted into hot water, most of hot water stores storage tank 2 by advancing hot-water line 8, controlling the first triple valve 4 changes hot water more than needed in the phase transition heat accumulation unit 2 over to and is stored up, namely accumulation of heat when solar energy is sufficient avoids the storage tank regenerator temperature too high, improves simultaneously the collecting efficiency of solar thermal collector; In the exothermic process, 2 hot water is discharged by hot-water outlet pipe 9 in the storage tank, controls the second triple valve 5 and unnecessary hot water is changed in the phase transition heat accumulation unit 2 is stored up.When the storage tank leaving water temperature is lower than setting value, utilize the heat in the phase transition heat accumulation unit to reheat water outlet, satisfy the leaving water temperature requirement, measure the prolongation water time thereby improve the hot water effluent.
Above embodiment is the preferred specific embodiment of the utility model, and common variation and replacement that those skilled in the art carry out in the technical solutions of the utility model scope are included in the protection domain of the present utility model.
Claims (4)
1. phase-change material auxiliary regenerator device, it is characterized in that: comprise solar thermal collector, storage tank and phase transition heat accumulation unit, described storage tank is connected with into cold water pipe, go out cold water pipe, advance hot-water line and hot-water outlet pipe, described solar thermal collector two ends connect respectively cold water pipe and advance hot-water line, advance hot-water line and be provided with the first triple valve, the a end of described the first triple valve is communicated with respectively into hot-water line with the c end, the hot-water outlet pipe is provided with the second triple valve, the a end of described the second triple valve is communicated with respectively the hot-water outlet pipe with the c end, and described phase transition heat accumulation unit is held by the b of pipeline and the first triple valve respectively, go out cold water pipe, the b end of the second triple valve, the hot-water outlet pipe connects.
2. phase-change material auxiliary regenerator device according to claim 1, it is characterized in that: described solar thermal collector is the solar energy vacuum glass heat collector.
3. phase-change material auxiliary regenerator device according to claim 1, it is characterized in that: described solar thermal collector is flat plate collector.
4. according to claim 1 and 2 or 3 described phase-change material auxiliary regenerator devices, it is characterized in that: phase transition heat accumulation unit is the compound phase change material structure of graininess.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220515916 CN202853155U (en) | 2012-10-10 | 2012-10-10 | Phase-change material assisting heat storage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220515916 CN202853155U (en) | 2012-10-10 | 2012-10-10 | Phase-change material assisting heat storage device |
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| CN202853155U true CN202853155U (en) | 2013-04-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220515916 Expired - Lifetime CN202853155U (en) | 2012-10-10 | 2012-10-10 | Phase-change material assisting heat storage device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106610068A (en) * | 2016-12-05 | 2017-05-03 | 宁波大学 | Solar air conditioner and phase change energy storage all-in-one system and working method thereof |
| CN107388630A (en) * | 2017-06-27 | 2017-11-24 | 江苏大学 | A kind of solar energy heat pump system based on phase-transition heat-storage |
| CN108443954A (en) * | 2018-05-07 | 2018-08-24 | 北京市热力集团有限责任公司 | A kind of a variety of energy storage mode depth heat release heating systems of coupling |
| CN113091330A (en) * | 2021-04-14 | 2021-07-09 | 广东工业大学 | Phase change heat storage device based on solar energy |
| CN113819546A (en) * | 2021-09-10 | 2021-12-21 | 青岛海尔空调器有限总公司 | Heating system and control method thereof |
-
2012
- 2012-10-10 CN CN 201220515916 patent/CN202853155U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106610068A (en) * | 2016-12-05 | 2017-05-03 | 宁波大学 | Solar air conditioner and phase change energy storage all-in-one system and working method thereof |
| CN106610068B (en) * | 2016-12-05 | 2019-09-10 | 宁波大学 | Solar airconditioning and phase-change accumulation energy integral system and its working method |
| CN107388630A (en) * | 2017-06-27 | 2017-11-24 | 江苏大学 | A kind of solar energy heat pump system based on phase-transition heat-storage |
| CN108443954A (en) * | 2018-05-07 | 2018-08-24 | 北京市热力集团有限责任公司 | A kind of a variety of energy storage mode depth heat release heating systems of coupling |
| CN108443954B (en) * | 2018-05-07 | 2024-06-07 | 北京市热力集团有限责任公司 | Deep heat release heating system with multiple energy storage modes in coupling mode |
| CN113091330A (en) * | 2021-04-14 | 2021-07-09 | 广东工业大学 | Phase change heat storage device based on solar energy |
| CN113819546A (en) * | 2021-09-10 | 2021-12-21 | 青岛海尔空调器有限总公司 | Heating system and control method thereof |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Yuhang District, Hangzhou City, Zhejiang Province, 311121 West 1500 building 8A-1 No. 4 Patentee after: HANGZHOU RUHR NEW MATERIAL TECHNOLOGY CO.,LTD. Address before: Yuhang District, Hangzhou City, Zhejiang Province, 311121 West 1500 building 8A-1 No. 4 Patentee before: Hangzhou Ruhr Energy Technology Co.,Ltd. |
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| CX01 | Expiry of patent term |
Granted publication date: 20130403 |
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| CX01 | Expiry of patent term |