CN113028874A - Step phase change heat reservoir - Google Patents
Step phase change heat reservoir Download PDFInfo
- Publication number
- CN113028874A CN113028874A CN202010098926.4A CN202010098926A CN113028874A CN 113028874 A CN113028874 A CN 113028874A CN 202010098926 A CN202010098926 A CN 202010098926A CN 113028874 A CN113028874 A CN 113028874A
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- CN
- China
- Prior art keywords
- heat exchange
- phase change
- serpentine
- change heat
- tube
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000005192 partition Methods 0.000 claims abstract description 11
- 238000005338 heat storage Methods 0.000 claims description 34
- 238000004891 communication Methods 0.000 claims description 7
- 230000000694 effects Effects 0.000 abstract description 15
- 239000012782 phase change material Substances 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000008676 import Effects 0.000 abstract 2
- 239000012530 fluid Substances 0.000 description 10
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
- F28D20/02—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using latent heat
- F28D20/021—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using latent heat the latent heat storage material and the heat-exchanging means being enclosed in one container
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/08—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being otherwise bent, e.g. in a serpentine or zig-zag
- F28D7/082—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being otherwise bent, e.g. in a serpentine or zig-zag with serpentine or zig-zag configuration
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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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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention provides a step phase change heat reservoir, comprising: the box, set up a plurality of first snakelike heat exchange tubes in the box and set up a plurality of snakelike heat exchange tubes of second in the box, be provided with the baffle in the box, the box is inside to be two first cavities and the second cavity of relative independence by the baffle partition, box top one side is provided with the import collector, box top opposite side is provided with the export collector, first snakelike heat exchange tube one end and import collector intercommunication, the first snakelike heat exchange tube other end and the snakelike heat exchange tube one end intercommunication of second, the snakelike heat exchange tube other end and export collector intercommunication of second, it has first phase change heat-retaining medium to fill in the first cavity, it has second phase change heat-retaining medium to fill. As described above, the step phase change heat reservoir of the invention solves the problem that the serpentine tube phase change heat exchanger in the prior art exchanges heat through a single phase change material, and has a poor heat exchange effect, and is reasonable in design and suitable for production, popularization and application.
Description
Technical Field
The invention relates to the technical field of heat exchangers, in particular to a step phase change heat reservoir.
Background
The traditional coiled pipe phase-change heat exchanger has a defect, and the coiled pipe phase-change heat exchanger exchanges heat through a single phase-change material, does not preheat or precool and has a poor heat exchange effect.
Disclosure of Invention
In view of the above disadvantages of the prior art, an object of the present invention is to provide a step phase change heat reservoir, which is used to solve the problem that a serpentine phase change heat exchanger in the prior art exchanges heat with a single phase change material without preheating or precooling, and has a poor heat exchange effect.
To achieve the above and other related objects, the present invention provides a stepped phase change heat storage device, comprising: the box body, a plurality of first serpentine heat exchange tubes arranged in the box body and a plurality of second serpentine heat exchange tubes arranged in the box body, wherein the plurality of first serpentine heat exchange tubes are arranged in parallel, the plurality of second serpentine heat exchange tubes are arranged in parallel, the first serpentine heat exchange tubes and the second serpentine heat exchange tubes are in one-to-one correspondence, a partition plate is arranged in the box body, the box body is internally divided into a first cavity and a second cavity which are independent relatively by the partition plate, the first serpentine heat exchange tubes are arranged in the first cavity, the second serpentine heat exchange tubes are arranged in the second cavity, an inlet header is arranged on one side of the top of the box body, an outlet header is arranged on the other side of the top of the box body, one end of each first serpentine heat exchange tube is communicated with the inlet header, and the other end of each first serpentine heat exchange tube, the other end of the second serpentine heat exchange tube is communicated with the outlet header, a first phase change heat storage medium is filled in the first cavity, and a second phase change heat storage medium is filled in the second cavity.
As a preferable technical scheme, the communication position of the other end of the first serpentine heat exchange tube and one end of the second serpentine heat exchange tube is positioned above the partition plate.
As a preferred technical scheme, the temperature of the first phase change heat storage medium is 55 degrees, the temperature of the second phase change heat storage medium is 80 degrees, the temperature of the first phase change heat storage medium is lower than that of the second phase change heat storage medium, cold fluid in the first serpentine heat exchange tube is preheated by the first phase change heat storage medium, and then the second phase change heat storage medium with relatively high temperature is passed, so that the heat exchange effect is good.
As an optimized technical scheme, the surface of the first serpentine heat exchange tube and the surface of the second serpentine heat exchange tube are provided with fins, and through the arrangement of the fins, the heat exchange effect between the first serpentine heat exchange tube and the first phase change heat storage medium is improved, and the heat exchange effect between the second serpentine heat exchange tube and the second phase change heat storage medium is improved.
According to a preferable technical scheme, one end of the first serpentine heat exchange tube is communicated with a first transverse tube, the inlet header is communicated with the first transverse tube, the other end of the second serpentine heat exchange tube is communicated with a second transverse tube, and the outlet header is communicated with the second transverse tube.
As described above, the stepped phase change heat reservoir of the present invention has the following beneficial effects: the cold fluid firstly passes through the first S-shaped heat exchange tube, and exchanges heat with 55 degrees of first phase change heat-storage medium firstly, plays and preheats the effect, and through second S-shaped heat exchange tube, carries out the heat transfer with 80 degrees of second phase change heat-storage medium, because of preheating before, when exchanging heat with 80 degrees of second phase change heat-storage medium, the heat transfer effect promotes, and reasonable in design is suitable for production and popularization and application.
Drawings
Fig. 1 is a perspective view of a stepped phase change heat reservoir disclosed in an embodiment of the present invention with the top removed;
fig. 2 is a schematic diagram illustrating a first internal structure of a stepped phase change heat reservoir according to an embodiment of the present invention;
fig. 3 is a schematic diagram illustrating a second internal structure of a stepped phase change heat reservoir according to an embodiment of the present invention;
wherein the reference numerals are specified as follows: 1. a box body; 2. a first serpentine heat exchange tube; 3. a second serpentine heat exchange tube; 4. an inlet header; 5. an outlet header; 6. a partition plate; 7. a first cross tube; 8. a first phase change heat storage medium; 9. a second phase change heat storage medium; second cross tube 10.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.
Please refer to fig. 1 to 3. It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for matching with the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions under which the present invention can be implemented, so that the present invention has no technical significance, and any structural modification, ratio relationship change, or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.
Referring to fig. 1 to 3, the present invention provides a stepped phase change heat storage device, including: the heat exchanger comprises a box body 1, a plurality of first serpentine heat exchange tubes 2 arranged in the box body 1 and a plurality of second serpentine heat exchange tubes 3 arranged in the box body 1, wherein the plurality of first serpentine heat exchange tubes 2 are arranged in parallel, the plurality of second serpentine heat exchange tubes 3 are arranged in parallel, the first serpentine heat exchange tubes 2 correspond to the second serpentine heat exchange tubes 3 one by one, a partition plate 6 is arranged in the box body 1, the box body 1 is internally divided into a first cavity and a second cavity which are independent relatively by the partition plate 6, the first serpentine heat exchange tubes 2 are arranged in the first cavity, the second serpentine heat exchange tubes 3 are arranged in the second cavity, an inlet header 4 is arranged on one side of the top of the box body 1, an outlet header 5 is arranged on the other side of the top of the box body 1, one end of each first serpentine heat exchange tube 2 is communicated with the inlet header 4, the other end of each first serpentine heat, the first cavity is filled with a first phase change heat storage medium 8, and the second cavity is filled with a second phase change heat storage medium 9.
In the step phase change heat reservoir provided by the embodiment, the communication position of the other end of the first serpentine heat exchange tube 2 and one end of the second serpentine heat exchange tube 3 is located above the partition plate 6.
In the step phase change heat reservoir provided by this embodiment, the temperature of the first phase change heat storage medium 8 is 55 degrees, the temperature of the second phase change heat storage medium 9 is 80 degrees, the temperature of the first phase change heat storage medium 8 is lower than that of the second phase change heat storage medium 9, the cold fluid in the first serpentine heat exchange tube 2 is preheated by the first phase change heat storage medium 8, and then the second phase change heat storage medium 9 with relatively high temperature is passed through, so that the heat exchange effect is good.
The step phase change heat reservoir that this embodiment provided, first snakelike heat exchange tube 2 and the snakelike heat exchange tube 3 surface of second all are provided with the fin, through setting up the fin for heat transfer effect promotes between first snakelike heat exchange tube 2 and the first phase change heat-retaining medium 8, makes heat transfer effect promote between second snakelike heat exchange tube 3 and the second phase change heat-retaining medium 9.
In the step phase change heat reservoir provided by the embodiment, one end of the first serpentine heat exchange tube 2 is communicated with the first horizontal tube 7, the inlet header 4 is communicated with the first horizontal tube 7, the other end of the second serpentine heat exchange tube 3 is communicated with the second horizontal tube 10, and the outlet header 5 is communicated with the second horizontal tube 10.
In a specific use: the cold fluid enters the first transverse pipe 7 through the inlet header pipe 4 and respectively enters the plurality of first serpentine heat exchange pipes 2 through the first transverse pipe 7, each first serpentine heat exchange pipe 2 is communicated with the corresponding second serpentine heat exchange pipe 3, the cold fluid passes through the first serpentine heat exchange pipes 2 and then passes through the second serpentine heat exchange pipes 3, the cold fluid passes through the plurality of second serpentine heat exchange pipes 3 and then flows to the outlet header pipe 5 through the second transverse pipe 10 to flow out of the box body 1, wherein the cold fluid firstly passes through the first serpentine heat exchange pipes 2 and exchanges heat with the first phase change heat storage medium 8 at 55 degrees to achieve a preheating effect, then passes through the second serpentine heat exchange pipes 3 and exchanges heat with the second phase change heat storage medium 9 at 80 degrees, and the preheating effect is improved when the cold fluid exchanges heat with the second phase change heat storage medium 9 at 80 degrees; the hot fluid is cooled, and is opposite to the cold fluid, and the heat exchange is carried out firstly through the second phase change heat storage medium 9 with relatively high temperature and then through the first phase change heat storage medium 8 with relatively low temperature, so that the heat charging time is shortened, and the heat exchange efficiency is improved.
In conclusion, the step phase change heat reservoir provided by the invention solves the problems that a coiled pipe phase change heat exchanger in the prior art exchanges heat through a single phase change material, does not need to be preheated or precooled, and has a poor heat exchange effect, is reasonable in design, and is suitable for production, popularization and application. Therefore, the invention effectively overcomes various defects in the prior art and has high industrial utilization value.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (5)
1. A stepped phase change heat reservoir, comprising: the box body, a plurality of first serpentine heat exchange tubes arranged in the box body and a plurality of second serpentine heat exchange tubes arranged in the box body, wherein the plurality of first serpentine heat exchange tubes are arranged in parallel, the plurality of second serpentine heat exchange tubes are arranged in parallel, the first serpentine heat exchange tubes and the second serpentine heat exchange tubes are in one-to-one correspondence, a partition plate is arranged in the box body, the box body is internally divided into a first cavity and a second cavity which are independent relatively by the partition plate, the first serpentine heat exchange tubes are arranged in the first cavity, the second serpentine heat exchange tubes are arranged in the second cavity, an inlet header is arranged on one side of the top of the box body, an outlet header is arranged on the other side of the top of the box body, one end of each first serpentine heat exchange tube is communicated with the inlet header, and the other end of each first serpentine heat exchange tube, the other end of the second serpentine heat exchange tube is communicated with the outlet header, a first phase change heat storage medium is filled in the first cavity, and a second phase change heat storage medium is filled in the second cavity.
2. The stepped phase change heat reservoir of claim 1, wherein the other end of the first serpentine heat exchange tube is in communication with one end of the second serpentine heat exchange tube and is located above the partition.
3. The stepped phase change heat reservoir of claim 1, wherein the temperature of the first phase change heat storage medium is 55 degrees and the temperature of the second phase change heat storage medium is 80 degrees.
4. The stepped phase change heat reservoir of claim 1, wherein the first and second serpentine heat exchange tubes are each finned on a surface thereof.
5. The stepped phase change heat reservoir of claim 1, wherein the first serpentine heat exchange tube has one end in communication with a first cross tube, the inlet header in communication with the first cross tube, the second serpentine heat exchange tube has another end in communication with a second cross tube, and the outlet header in communication with the second cross tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010098926.4A CN113028874A (en) | 2020-02-18 | 2020-02-18 | Step phase change heat reservoir |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010098926.4A CN113028874A (en) | 2020-02-18 | 2020-02-18 | Step phase change heat reservoir |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113028874A true CN113028874A (en) | 2021-06-25 |
Family
ID=76458879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010098926.4A Pending CN113028874A (en) | 2020-02-18 | 2020-02-18 | Step phase change heat reservoir |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113028874A (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6294794A (en) * | 1985-10-19 | 1987-05-01 | Sanyo Electric Co Ltd | Latent heat type heat storage device |
| CN1302366A (en) * | 1998-05-22 | 2001-07-04 | 伊沃普欧国际公司 | Ice thermal storage coil system and methods |
| CN1314577A (en) * | 1999-09-24 | 2001-09-26 | 巴尔的摩汽圈公司 | Heat storage coil structure |
| JP2003222359A (en) * | 2002-01-31 | 2003-08-08 | Yanagida Sangyo Kk | Ice heat accumulating device and its heat exchange coil |
| US20060048929A1 (en) * | 2004-09-09 | 2006-03-09 | Aaron David A | Header and coil connections for a heat exchanger |
| CN102829661A (en) * | 2012-08-16 | 2012-12-19 | 圣火科技(河南)有限责任公司 | Graded phase-change heat storage device |
| CN104457361A (en) * | 2013-09-16 | 2015-03-25 | 上海工电能源科技有限公司 | U tube gradient heat storage device and method for manufacturing the same |
| CN107328280A (en) * | 2017-07-06 | 2017-11-07 | 贺迈新能源科技（上海）有限公司 | A kind of hot pond of multiple-unit transverse tube |
| CN107504848A (en) * | 2017-10-10 | 2017-12-22 | 贺迈新能源科技（上海）有限公司 | A kind of staggeredly overlaying structure of heat exchanger tube |
| CN207300022U (en) * | 2017-04-25 | 2018-05-01 | 李渊 | A kind of phase change material device |
| CN108225080A (en) * | 2018-01-31 | 2018-06-29 | 华南理工大学 | A kind of coiled pipe regenerative heat exchanger |
| CN109405611A (en) * | 2018-09-14 | 2019-03-01 | 中国科学院电工研究所 | Compound heat reservoir with two-stage phase change material device and steam storage tank |
-
2020
- 2020-02-18 CN CN202010098926.4A patent/CN113028874A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6294794A (en) * | 1985-10-19 | 1987-05-01 | Sanyo Electric Co Ltd | Latent heat type heat storage device |
| CN1302366A (en) * | 1998-05-22 | 2001-07-04 | 伊沃普欧国际公司 | Ice thermal storage coil system and methods |
| CN1314577A (en) * | 1999-09-24 | 2001-09-26 | 巴尔的摩汽圈公司 | Heat storage coil structure |
| JP2003222359A (en) * | 2002-01-31 | 2003-08-08 | Yanagida Sangyo Kk | Ice heat accumulating device and its heat exchange coil |
| US20060048929A1 (en) * | 2004-09-09 | 2006-03-09 | Aaron David A | Header and coil connections for a heat exchanger |
| CN102829661A (en) * | 2012-08-16 | 2012-12-19 | 圣火科技(河南)有限责任公司 | Graded phase-change heat storage device |
| CN104457361A (en) * | 2013-09-16 | 2015-03-25 | 上海工电能源科技有限公司 | U tube gradient heat storage device and method for manufacturing the same |
| CN207300022U (en) * | 2017-04-25 | 2018-05-01 | 李渊 | A kind of phase change material device |
| CN107328280A (en) * | 2017-07-06 | 2017-11-07 | 贺迈新能源科技（上海）有限公司 | A kind of hot pond of multiple-unit transverse tube |
| CN107504848A (en) * | 2017-10-10 | 2017-12-22 | 贺迈新能源科技（上海）有限公司 | A kind of staggeredly overlaying structure of heat exchanger tube |
| CN108225080A (en) * | 2018-01-31 | 2018-06-29 | 华南理工大学 | A kind of coiled pipe regenerative heat exchanger |
| CN109405611A (en) * | 2018-09-14 | 2019-03-01 | 中国科学院电工研究所 | Compound heat reservoir with two-stage phase change material device and steam storage tank |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210625 |
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| RJ01 | Rejection of invention patent application after publication |