CN202442621U - Phase change heat accumulation element and heat accumulation heat supply device adopting same - Google Patents
Phase change heat accumulation element and heat accumulation heat supply device adopting same Download PDFInfo
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- CN202442621U CN202442621U CN2012200678425U CN201220067842U CN202442621U CN 202442621 U CN202442621 U CN 202442621U CN 2012200678425 U CN2012200678425 U CN 2012200678425U CN 201220067842 U CN201220067842 U CN 201220067842U CN 202442621 U CN202442621 U CN 202442621U
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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 heat accumulation element and a heat accumulation heat supply device adopting the phase change heat accumulation element, wherein the phase change heat accumulation element comprises a casing, a hollow cavity is arranged in the casing, phase change heat accumulation materials are filled in the hollow cavity, the hollow cavity is also provided with a heat pipe, and the heat pipe is partially exposed out side the casing. The heat pipe is adopted for transferring heat, so the heat accumulation time of the phase change heat accumulation element disclosed by the utility model is short. The heat accumulation heat supply device comprises a box body, wherein a phase change heat accumulation chamber and a heat supply heating chamber are arranged in the box body, the phase change heat accumulation chamber is provided with a cold water inlet and a hot water outlet, the heat supply heating chamber is provided with a heat source inlet, at least one phase change heat accumulation element is arranged in the phase change heat accumulation chamber, the part of the heat pipe, exposed and arranged at the outer side of the casing, of the heat accumulation element is arranged in the heat supply heating chamber, and the phase change heat accumulation chamber and the heat supply heating chamber are mutually separated, so industrial smoke can be utilized for heating the heat pipe, media such as steam or hot water and the like can also be used for heating the heat pipe, and the adaption to external heat sources is high.
Description
Technical field
The utility model belongs to energy storage and release tech, particularly a kind of phase-change heat accumulation element and adopt the heat storage heat supply device of this element.
Background technology
At present; The phase-transition heat-storage technical application is wider; Particularly as heat supply network heat supply and the mobile heat storage heat supply device development of providing the boiler heat supplying supplemental facilities for oneself rapidly, existing phase change heat storage heat supply device mainly contains several kinds of forms such as the whole accumulation of heat of heat storage, the unit accumulation of heat of tubulose heat accumulating element, the accumulation of heat of heat-storing sphere unit, but the following problem of ubiquity: 1) to the bad adaptability of thermal source; When utilizing the waste heat of industrial smoke; Generally need design waste heat boiler, again steam or hot water offered mobile heat storage heat supply device, increase the input of equipment in the heat source; 2) need transmit heat through heat-conducting medium when accumulation of heat and heat supply, the heat exchange link is more, and the decay of heat is big, and it is long to fill heat, heat release time; 3) the whole heat storage heat supply device of part heat storage, steam or water are accomplished accumulation of heat and heat-obtaining through the coil pipe that is embedded in the heat storage, and the condensing water temperature that steam is discharged when being embedded in the coil pipe accumulation of heat of heat storage causes the thermal resource utilization rate not high up to 80 ℃; Cold water is when being embedded in the coil pipe heat-obtaining in the heat storage, and then the stifled phenomenon of gas is serious, can not successfully carry out heat-obtaining.
Summary of the invention
One of them purpose of the utility model provides short phase-change heat accumulation element of a kind of accumulation of heat time.
In order to achieve the above object, the technical scheme of the utility model: a kind of phase-change heat accumulation element comprises housing; Be provided with hollow cavity in the housing; Be filled with phase change heat storage material in the said hollow cavity, hollow cavity also is provided with heat pipe, and the part of heat pipe is exposed outside housing.
In order to increase heat-transfer effect, the surface of above-mentioned heat pipe is provided with fin.
A wherein end of above-mentioned heat pipe places in the hollow cavity, and the other end exposes the outside at housing; Or the two ends of heat pipe expose the outside at housing, and the middle part of heat pipe places in the hollow cavity.
In the utility model, the heat of extraneous thermal source through the superior heat pipe of heat conductivility directly and the phase change heat storage material in the housing carry out heat exchange, promptly be that heat pipe both can fill heat to phase change heat storage material, also can be from phase change heat storage material heat-obtaining.
During accumulation of heat, the phase-change heat accumulation element of the utility model directly is delivered to phase change heat storage material inside with heat through the superior heat pipe of heat conductivility, and when the temperature of phase change heat storage material reached the uniform temperature value, heat energy was with sensible heat and two kinds of stores of latent heat.During heat release, let cryogenic liquid contact with housing, the cryogenic liquid around the stored heat energy of phase change heat storage material passes to through housing, thus take heat away.
It is short that another purpose of the utility model provides a kind of accumulation of heat time, and heat supply is fast, to external world the heat storage heat supply device of the above-mentioned phase-change heat accumulation element of adaptable employing of thermal source.
In order to achieve the above object; The technical scheme of the utility model: a kind of heat storage heat supply device that adopts phase-change heat accumulation element, comprise casing, be provided with phase-transition heat-storage chamber and heat supply heating clamber in the casing; The phase-transition heat-storage chamber is provided with cooling water inlet and hot water outlet; The heat supply heating clamber is provided with the thermal source inlet, indoor at least one phase-change heat accumulation element that is provided with of said phase-transition heat-storage, and the set heat pipe of phase-change heat accumulation element exposes that part of the placing in the heat supply heating clamber outside housing.
Further, it is indoor that the even distribution of above-mentioned phase-change heat accumulation element is fixed on phase-transition heat-storage, escapes in order to prevent heat, and the surface of casing is provided with heat-insulation layer.
In order to strengthen the heat exchange effect between cold water fluid and the phase-change heat accumulation element, above-mentioned phase-transition heat-storage is indoor to be provided with some interlaced diaphragms between cooling water inlet to hot water outlet.
In another program, be laid with at least one coiled pipe in the above-mentioned heat supply heating clamber, be filled with heat-conducting medium between the inwall of heat supply heating clamber and the coiled pipe, coiled pipe is provided with entrance and exit, and the inlet of coiled pipe is connected with the thermal source inlet.
The outlet of above-mentioned coiled pipe is communicated with the phase-transition heat-storage chamber.This programme, thermal source working medium (like steam) becomes condensate after the heat release in coiled pipe, enter into the phase-transition heat-storage chamber from the outlet of coiled pipe and store, and steam is fully used.
Above-mentioned coiled pipe stratiform is laid in the heat supply heating clamber, so thermal source working medium can evenly be conducted heat to heat-conducting medium.
In order to prevent that the phase-transition heat-storage room pressure is too high and cause dangerous accident, the top of above-mentioned phase-transition heat-storage chamber also is provided with safety valve.
The heat storage heat supply device of the utility model; Because phase-transition heat-storage chamber and heat supply heating clamber are separated from each other, and therefore, not only can utilize industrial smoke to heat heat pipe; Also can be with steam or hot water; Can also heat heat pipe with other media, the adaptability of thermal source is strong to external world, generally need not set up other devices (like waste heat boiler) and carry out power conversion.During accumulation of heat, the heat of heat supply heating clamber is delivered to the phase change heat storage material middle part in the phase-change heat accumulation element through heat pipe, and the time of accumulation of heat is short; During heat release, the housing of phase-change heat accumulation element directly contacts with water, and the heat release time is also short.If the heat storage heat supply device of this utility model is installed on the locomotive, can realize moving storage heating.
Description of drawings
Fig. 1 is the phase-change heat accumulation element structural representation of the utility model.
Fig. 2 is the heat storage heat supply device structural representation of the utility model embodiment 1.
Fig. 3 is the cutaway view of A-A section among Fig. 2.
Fig. 4 is the heat storage heat supply device structural representation of the utility model embodiment 2.
Fig. 5 is the partial sectional view of B-B section among Fig. 4.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment to the phase-change heat accumulation element of the utility model and adopt the heat storage heat supply device of this element to do detailed description.
Embodiment 1:
The phase-change heat accumulation element structure of present embodiment comprises housing 1 shown in accompanying drawing 1, be provided with hollow cavity 12 in the housing 1; Said hollow cavity 12 also is provided with heat pipe 3; The side of heat pipe 3 is provided with fin 31, and a wherein end of heat pipe 3 places in the hollow cavity 12, and the other end exposes outside housing 1; Be filled with phase change heat storage material 2 in the said hollow cavity 12, heat pipe 3 places that end in the hollow cavity 12 to be surrounded by phase change heat storage material 2.Present embodiment middle shell 1 is the Can of special-shaped tubulose, and the quantity of heat pipe 3 can be one or more.
When the phase-change heat accumulation element of present embodiment uses; During accumulation of heat; The heat of thermal source is directly delivered among the phase change heat storage material 2 in the hollow cavity 12 through heat pipe 3, when the temperature of phase change heat storage material 2 reaches the uniform temperature value, undergoes phase transition, and heat energy is with sensible heat and two kinds of stores of latent heat; During heat release, phase change heat storage material 2 stored heat energy transmit cooling water through housing 1, generate hot water.
Embodiment 2:
The phase-change heat accumulation element structure and the embodiment 1 of present embodiment are similar, and difference is: the middle part of heat pipe 3 places in the hollow cavity 12, and the two ends of heat pipe 3 expose outside housing 1, and the quantity of heat pipe 3 also can be one or more.
When the phase-change heat accumulation element of present embodiment used, the heat of thermal source can be directly delivered to through the two ends of heat pipe 3 among the phase change heat storage material 2 in the hollow cavity 12.
Embodiment 3:
The heat storage heat supply device structure of present embodiment comprises casing 4 like accompanying drawing 2, shown in 3, and casing 4 inner surfaces are provided with heat-insulation layer 8, and the shape of the casing 4 of present embodiment is a cuboid, can certainly be cylinder or other multiedge cylinders.Be separated plate 82 in the casing 4 and be divided into phase-transition heat-storage chamber 41 and heat supply heating clamber 42; Phase-transition heat-storage chamber 41 is provided with cooling water inlet 41a and hot water outlet 41b; Evenly distribute in the phase-transition heat-storage chamber 41 a plurality of embodiment 1 said phase-change heat accumulation elements 5 are installed; Housing 1 lower end of phase-change heat accumulation element 5 is fixed on the demarcation strip 82; The upper end of housing 1 is fixed on the set fixed head 81 in 41 tops, phase-transition heat-storage chamber, and all phase-change heat accumulation element 5 set heat pipes 3 reveal that end of putting in housing 1 outside and place in the heat supply heating clamber 42, and heat supply heating clamber 42 is provided with the thermal source inlet.
Above-mentioned cooling water inlet 41a is located at the top of hot water outlet 41b, and cooling water inlet 41a is located at 41 upper ends, phase-transition heat-storage chamber, and hot water outlet 41b is located at 41 lower ends, phase-transition heat-storage chamber.In the phase-transition heat-storage chamber 41 from cooling water inlet 41a to being provided with some interlaced diaphragms 6 between the hot water outlet 41b; In the present embodiment; Diaphragm 6 is installed in parallel in the inwall of phase-transition heat-storage chamber 41; Cold water need to come in the runner through adjacent two diaphragms 6 finally to flow out from hot water outlet 41b from cooling water inlet 41a, and this process can guarantee that cold water fully contacts with a plurality of phase-change heat accumulation elements 5, has strengthened the heat exchange effect.
At initial heat-obtaining water; Because the cold water heat absorption can produce a large amount of steam; In order to prevent that phase-transition heat-storage chamber 41 internal pressures are too high and cause dangerous accident; Present embodiment also is provided with safety valve 7 at the top of phase-transition heat-storage chamber 41, and in order to monitor the pressure in the phase-transition heat-storage chamber 41, the top of phase-transition heat-storage chamber 41 also is provided with Pressure gauge 10 simultaneously.
When the heat storage heat supply device of present embodiment uses; During accumulation of heat, guide to heat supply heating clamber 42 to the industrial smoke thermal source from the thermal source inlet earlier, the heat of thermal source is delivered in the phase change heat storage material 2 in the hollow cavity 12 through heat pipe 3; After phase change heat storage material 2 absorbs heat; Temperature undergoes phase transition heat energy storage when reaching the uniform temperature value, after accumulation of heat is accomplished, can transport to the place use that needs heat supply water by handle assembly.During heat release; Cold water gets into phase-transition heat-storage chamber 41 from cooling water inlet 41a; Because there are temperature difference in cold water and phase-change heat accumulation element 5; So the heat energy that stores in the phase-change heat accumulation element 5 can pass to cold water through thermaltransmission mode, the temperature rising became hot water after cold water absorbed heat energy, and hot water flows out from hot water outlet 41b and supplies to use.
Embodiment 4:
The heat storage heat supply device structure of present embodiment like accompanying drawing 4, shown in 5 shown in; Its structure and embodiment's 1 is similar, and difference is: be laid with at least one coiled pipe 44 in the said heat supply heating clamber 42, in the present embodiment; Coiled pipe 44 has three rows; Three row's coiled pipes, 44 stratiforms are laid in the heat supply heating clamber 42, also are filled with heat-conducting medium 43 between the inwall of heat supply heating clamber 42 and the coiled pipe 44, and coiled pipe 44 is provided with inlet 44a and outlet 44b; The inlet 44a of coiled pipe 44 is communicated with the thermal source inlet, and the outlet 44b of coiled pipe 44 is communicated with phase-transition heat-storage chamber 41.
The heat storage heat supply device operation principle of present embodiment and the difference of embodiment 3 are:
2 of embodiment utilize steam as thermal source, and steam enters in the coiled pipe 44 from inlet 44a, and the heat-conducting medium 43 around the heating coil 44, heat pipe 3 are taken heat again away and are delivered in the phase change heat storage material 2 in the hollow cavity 12 and store from heat-conducting medium 43.Steam becomes condensate after the heat release in coiled pipe 44, and enters into 41 storages of phase-transition heat-storage chamber from the outlet 44b of coiled pipe, and steam is fully used.
The foregoing description is merely the preferred embodiment of the utility model, is not the practical range that is used for limiting the utility model.Be that all equalizations of being done according to the utility model content change and modification, all contained by the claim of utility model scope required for protection.
Claims (10)
1. phase-change heat accumulation element; Comprise housing (1); Be provided with hollow cavity (12) in the housing (1), be filled with phase change heat storage material (2) in the said hollow cavity (12), it is characterized in that; Said hollow cavity (12) also is provided with heat pipe (3), and the part of heat pipe (3) is exposed outside housing (1).
2. phase-change heat accumulation element according to claim 1 is characterized in that, the surface of said heat pipe (3) is provided with fin (31).
3. phase-change heat accumulation element according to claim 1 and 2 is characterized in that, a wherein end of said heat pipe (3) places in the hollow cavity (12), and the other end exposes the outside in housing (1); Or the two ends of heat pipe (3) expose in the outside of housing (1), and the middle part of heat pipe (3) places in the hollow cavity (12).
4. heat storage heat supply device that adopts the described phase-change heat accumulation element of claim 1; Comprise casing (4); Be provided with phase-transition heat-storage chamber (41) and heat supply heating clamber (42) in the casing (4); Phase-transition heat-storage chamber (41) is provided with cooling water inlet (41a) and hot water outlet (41b), and heat supply heating clamber (42) is provided with the thermal source inlet, it is characterized in that; Be provided with at least one phase-change heat accumulation element (5) in the said phase-transition heat-storage chamber (41), the set heat pipe (3) of phase-change heat accumulation element (5) exposes that part of the placing in the heat supply heating clamber (42) outside housing (1).
5. heat storage heat supply device according to claim 4 is characterized in that, said phase-change heat accumulation element (5) evenly distributes and is fixed in the phase-transition heat-storage chamber (41), and the surface of casing (4) is provided with heat-insulation layer (8).
6. heat storage heat supply device according to claim 5 is characterized in that, between cooling water inlet (41a) to hot water outlet (41b), is provided with some interlaced diaphragms (6) in the said phase-transition heat-storage chamber (41).
7. according to each described heat storage heat supply device of claim 4 to 6; It is characterized in that; Be laid with at least one coiled pipe (44) in the said heat supply heating clamber (42); Be filled with heat-conducting medium (43) between the inwall of heat supply heating clamber (42) and the coiled pipe (44), coiled pipe (44) is provided with inlet (44a) and outlet (44b), and the inlet (44a) of coiled pipe (44) is communicated with the thermal source inlet.
8. heat storage heat supply device according to claim 7 is characterized in that, the outlet (44b) of said coiled pipe (44) is communicated with phase-transition heat-storage chamber (41).
9. heat storage heat supply device according to claim 8 is characterized in that, said coiled pipe (44) stratiform is laid in the heat supply heating clamber (42).
10. heat storage heat supply device according to claim 4 is characterized in that, the top of said phase-transition heat-storage chamber (41) also is provided with safety valve (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200678425U CN202442621U (en) | 2012-02-28 | 2012-02-28 | Phase change heat accumulation element and heat accumulation heat supply device adopting same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200678425U CN202442621U (en) | 2012-02-28 | 2012-02-28 | Phase change heat accumulation element and heat accumulation heat supply device adopting same |
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| Publication Number | Publication Date |
|---|---|
| CN202442621U true CN202442621U (en) | 2012-09-19 |
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| CN2012200678425U Expired - Fee Related CN202442621U (en) | 2012-02-28 | 2012-02-28 | Phase change heat accumulation element and heat accumulation heat supply device adopting same |
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| CN (1) | CN202442621U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102538533A (en) * | 2012-02-28 | 2012-07-04 | 湖南省汇通热源技术有限责任公司 | Phase change heat storage element and heat storage and supply device adopting same |
| CN103791606A (en) * | 2012-10-28 | 2014-05-14 | 宋博 | Coiled corrugated heater |
| CN108426421A (en) * | 2018-03-13 | 2018-08-21 | 贵州大学 | A kind of photoelectric heat with heat storage function is from forced air drying device |
| CN111397418A (en) * | 2020-02-24 | 2020-07-10 | 南京六九零二科技有限公司 | Three-dimensional steam cavity type phase-change heat storage device |
-
2012
- 2012-02-28 CN CN2012200678425U patent/CN202442621U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102538533A (en) * | 2012-02-28 | 2012-07-04 | 湖南省汇通热源技术有限责任公司 | Phase change heat storage element and heat storage and supply device adopting same |
| CN103791606A (en) * | 2012-10-28 | 2014-05-14 | 宋博 | Coiled corrugated heater |
| CN108426421A (en) * | 2018-03-13 | 2018-08-21 | 贵州大学 | A kind of photoelectric heat with heat storage function is from forced air drying device |
| CN111397418A (en) * | 2020-02-24 | 2020-07-10 | 南京六九零二科技有限公司 | Three-dimensional steam cavity type phase-change heat storage 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: 20120919 Termination date: 20150228 |
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| EXPY | Termination of patent right or utility model |