CN210004839U - Heat storage device - Google Patents
Heat storage device Download PDFInfo
- Publication number
- CN210004839U CN210004839U CN201920674964.2U CN201920674964U CN210004839U CN 210004839 U CN210004839 U CN 210004839U CN 201920674964 U CN201920674964 U CN 201920674964U CN 210004839 U CN210004839 U CN 210004839U
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- heat
- heat storage
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- heat transfer
- medium
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- 238000005338 heat storage Methods 0.000 title claims abstract description 94
- 238000009413 insulation Methods 0.000 claims abstract description 22
- 238000010438 heat treatment Methods 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 6
- 239000000919 ceramic Substances 0.000 claims description 5
- 239000011343 solid material Substances 0.000 claims description 4
- 239000011464 hollow brick Substances 0.000 claims description 3
- 239000011261 inert gas Substances 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims description 2
- 210000002268 wool Anatomy 0.000 claims 1
- 230000005494 condensation Effects 0.000 description 6
- 238000009833 condensation Methods 0.000 description 6
- 230000008020 evaporation Effects 0.000 description 6
- 238000001704 evaporation Methods 0.000 description 6
- 239000007788 liquid Substances 0.000 description 5
- 239000002184 metal Substances 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000012782 phase change material Substances 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 229910017053 inorganic salt Inorganic materials 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
Images
Classifications
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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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- Other Air-Conditioning Systems (AREA)
Abstract
The utility model relates to a heat-retaining field discloses heat-retaining devices, heat-retaining device includes the casing, inject heat storage chamber and heat transfer chamber in the casing, and isolated through the heat insulation layer between heat storage chamber and the heat transfer chamber, set up on the casing with the entry and the export of heat transfer chamber intercommunication, the entry is used for supplying heat transfer medium to get into the heat transfer chamber, and the export is used for supplying heat transfer medium to discharge from the heat transfer chamber, heat-retaining device still includes heat transfer element, and heat transfer element is used for carrying out the heat exchange with heat transfer chamber and heat transfer medium with the heat transfer intracavity.
Description
Technical Field
The utility model relates to a heat-retaining field specifically relates to kinds of heat-retaining devices.
Background
The heat is energy forms, which come from sunlight, fire and the like, can be directly utilized in the form of heat when in use, and can also be combined with a thermal power generation device to be converted into electric power.
At present, the research on heat storage is very many, and ways of heat storage by molten salt, solid materials and the like are endless. In these heat storage methods, how to increase the heat storage temperature and accelerate the heat exchange efficiency is a crucial issue. However, in the existing heat storage device, in order to accelerate the heat exchange efficiency, a high thermal conductive material (e.g., a metal material, a carbon material, etc.) is usually used as a heat storage medium, a heating element usually uses a metal substance, and cold air is directly introduced into the heat storage medium for heat exchange during heat exchange.
In order to solve the oxidation problem in the heat storage devices and improve the heat storage temperature, some heat storage devices adopt oxidation-resistant materials such as ceramic substances and the like as heat storage media, but the thermal conductivity of the oxidation-resistant materials is generally low, so that the heat exchange speed is limited, and the heat storage performance is limited.
Therefore, it is necessary to provide heat storage devices capable of simultaneously improving the heat storage temperature and the heat exchange efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing kinds of heat-retaining devices to solve above-mentioned problem.
In order to realize above-mentioned purpose, the utility model provides an heat-retaining devices, heat-retaining devices includes the casing, it has heat storage chamber and heat transfer chamber to inject in the casing, heat storage chamber with it is isolated through the heat insulation layer between the heat transfer chamber, seted up on the casing with the entry and the export of heat transfer chamber intercommunication, the entry is used for supplying heat transfer medium to get into the heat transfer chamber, the export is used for supplying heat transfer medium follows the heat transfer chamber is discharged, heat-retaining devices still includes heat transfer element, heat transfer element be used for with heat transfer in the heat storage chamber extremely the heat transfer chamber with heat transfer medium carries out the heat exchange.
Optionally, a vacuum environment or an inert gas environment is formed in the heat storage chamber.
Optionally, the heat exchange cavity is located above the heat storage cavity, and the heat transfer element is a heat pipe arranged in the shell and extending from the heat storage cavity to the heat exchange cavity.
Optionally, the inlet and the outlet are located on opposite sides of the heat exchange chamber, respectively.
Optionally, the heat storage device includes a plurality of heat pipes, and the plurality of heat pipes are parallel to each other and are arranged at intervals.
Optionally, a heat storage medium and a heating element for supplying heat to the heat storage medium are arranged in the heat storage cavity, and the heat transfer element extends into the heat storage medium.
Optionally, an th heat insulation layer is further disposed in the heat storage cavity, and the th heat insulation layer wraps the heat storage medium to seal the heat storage medium.
Optionally, the heat storage medium is a solid material or a phase change material with high thermal conductivity; and/or
The heating body is a heating wire inserted in the heat storage medium.
Optionally, a second insulating layer is arranged in the heat exchange cavity, a heat exchange channel communicated with the inlet and the outlet is defined in the heat exchange cavity by the second insulating layer, and the heat transfer element extends into the heat exchange channel.
Optionally, the insulation layer is formed from cellucotton, hollow ceramic balls or hollow bricks.
Through the technical scheme, the utility model discloses a heat-retaining device separates heat transfer and heat-retaining to it is isolated to use the heat insulation layer, not only can prevent the heat loss of heat-retaining intracavity, and heat transfer medium can not get into the heat-retaining medium and the heat-generating body of heat-retaining intracavity and oxidize in addition, can effectively protect heat-retaining medium and heat-generating body, makes heat-retaining device can adopt the heat-retaining material that the thermal conductivity is high, thereby can improve heat-retaining temperature and heat exchange efficiency simultaneously.
Other features and advantages of the present invention will be described in detail in the detailed description which follows.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification , which together with the following detailed description serve to explain the invention, but are not intended to limit the invention.
Fig. 1 is a cross-sectional view of embodiments of a heat storage device of the present invention.
Description of the reference numerals
1-shell, 11-inlet, 12-outlet, 2-heat insulation layer, 3-heat pipe, 4-heat storage medium, 5-heating element, 6- th heat preservation layer, 7-second heat preservation layer and 8-heat exchange channel.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.
In the present invention, unless otherwise specified, the terms of orientation such as "up and down" used generally refer to the orientation in the mounted and used state. "inner and outer" refer to the inner and outer contours of the respective component itself.
The utility model provides an heat-retaining device, heat-retaining device includes casing 1, it has heat storage chamber and heat transfer chamber to inject in the casing 1, heat storage chamber with it is isolated through heat insulation layer 2 between the heat transfer chamber, casing 1 on seted up with the entry 11 and the export 12 of heat transfer chamber intercommunication, entry 11 is used for supplying heat transfer medium gets into the heat transfer chamber, export 12 is used for supplying heat transfer medium follows the heat transfer chamber is discharged, heat-retaining device still includes heat transfer element, heat transfer element be used for with heat transfer in the heat storage chamber extremely the heat transfer chamber with heat transfer medium carries out the heat exchange.
It should be noted that, the heat storage cavity is isolated from the heat exchange cavity, which means that the heat in the heat storage cavity is not dissipated through other ways except for being transmitted out through the heat transfer element, and the heat exchange medium in the heat exchange cavity does not enter the heat storage cavity. The heat insulation layer 2 can be isolated at will the heat storage cavity with the structure in heat transfer chamber, the utility model discloses do not do the restriction. The insulating layer 2 may be a layer structure formed of fiber cotton, hollow ceramic balls, or hollow bricks, for example.
The utility model discloses a heat-retaining device is through separately heat transfer and heat-retaining to isolated with heat insulation layer 2, not only can prevent the heat loss of heat-retaining intracavity, heat transfer medium can not get into the heat-retaining medium and the heat-generating body of heat-retaining intracavity and oxidize in addition, can effectively protect heat-retaining medium and heat-generating body, makes heat-retaining device can adopt the heat-retaining material that the thermal conductivity is high, thereby can improve heat-retaining temperature and heat exchange efficiency simultaneously.
In order to completely isolate the high-heat-conduction material serving as the heat storage medium from oxygen, steps are further performed to increase the heat storage temperature of the heat storage medium, and a vacuum environment or an inert gas environment can be formed in the heat storage cavity.
In the present invention, it should be noted that the heat exchange medium may be any suitable gas (e.g. air) or liquid (e.g. water). It can be understood that the heat storage device of the present invention can store low-cost heat (for example, heat generated by solar energy, heat converted by low-price electricity, or industrial waste heat), and then transfer the stored heat to a heat exchange medium to be utilized (for example, air conditioning, hot water, etc.) when necessary, thereby achieving effective utilization of heat.
Additionally, the utility model discloses in, can understand, the heat storage chamber with the heat transfer chamber can arrange in arbitrary mode, as long as make between the two completely cut off can. The heat transfer element may be any component capable of transferring heat from within the heat storage chamber to the heat exchange chamber.
Specifically, according to embodiments of the present invention, as shown in fig. 1, the heat exchange chamber can be located above the heat storage chamber, and the heat transfer element can be a heat pipe 3 disposed in the housing 1 and extending from the heat storage chamber to the heat exchange chamber, wherein it should be understood that the heat pipe 3 is sealed through the heat insulation layer 2 to ensure the insulation of the heat insulation layer 2 to the heat storage chamber and the heat exchange chamber.
The heat pipe 3 is a heat transfer element which transfers heat by relying on phase change of working media (such as liquid, metal and the like) in the heat pipe 3, the heat pipe 3 can make full use of the heat conduction principle and the rapid heat transfer property of the phase change media, heat in the heat storage cavity is rapidly transferred to the heat exchange cavity through the heat pipe, the heat pipe has high heat transfer capacity, and the heat transfer efficiency can be effectively improved.
Referring to fig. 1, it can be understood that the end of the heat pipe 3 extending into the heat storage chamber is an evaporation end, the end of the heat pipe 3 extending into the heat exchange chamber is a condensation end, and the heat pipe 3 is a phase change process (i.e. using evaporation latent heat and condensation latent heat of liquid) in which the working medium evaporates at the evaporation end and then condenses at the condensation end to conduct heat quickly, during heat transfer, when the evaporation end of the heat pipe 3 is heated, the working liquid (e.g. water and alcohol) in the heat pipe 3 is gasified quickly, the vapor flows to the condensation end of the heat pipe 3 under the power of heat diffusion, and condenses at the condensation end to release heat and liquefy, and the liquefied liquid flows back to the evaporation end of the heat pipe 3, and this cycle is not repeated until the temperatures at the two ends of the heat pipe 3 are equal (at this time, the heat diffusion of the vapor stops).
In order to improve the heat exchange effect of the heat storage device of the present invention, as shown in fig. 1, it can be made that the inlet 11 and the outlet 12 are respectively located at the two opposite sides of the heat exchange cavity, so that the heat exchange medium can be fully contacted with the condensation end of the heat pipe 3. in addition, in order to further increase the heat exchange effect, the heat storage device can include a plurality of heat pipes 3, a plurality of the heat pipes 3 can be parallel to each other and arranged at intervals, as shown in fig. 1.
The utility model discloses in, be provided with heat-retaining medium 4 in the heat-retaining intracavity and be used for to the heat-generating body 5 of 4 heats supplies of heat-retaining medium, heat transfer element stretches into in the heat-retaining medium 4. As shown in fig. 1, the evaporation end of the heat pipe 3 is extended into the heat storage medium 4, and the heat pipe 3 can be in full contact with the heat storage medium 4, thereby facilitating the efficient transfer of heat.
The heat storage medium 4 may be a solid material (e.g., carbon, ceramic, metal, etc.) or a phase change material (e.g., paraffin, inorganic salt, molten salt, metal, etc.) with high thermal conductivity. The heating body 5 may be a heating wire. As shown in fig. 1, the heating wire may be inserted into the heat storage medium 4, which facilitates the storage of heat generated by the heating wire in the heat storage medium 4. In addition, a plurality of heating wires can be arranged in the heat storage cavity.
In order to further increase the heat storage temperature of the heat storage medium 4 in the heat storage cavity, a th heat insulation layer 6 may be further disposed in the heat storage cavity, the th heat insulation layer 6 is wrapped around the heat storage medium 4 to seal the heat storage medium 4, and the th heat insulation layer 6 can perform heat insulation protection on the heat storage medium 4, so that heat loss is effectively prevented.
In order to further improve the heat exchange effect between the heat exchange medium in the heat exchange cavity and the heat transfer element, a second insulating layer 7 may be disposed in the heat exchange cavity, as shown in fig. 1, the second insulating layer 7 may define a heat exchange channel 8 in the heat exchange cavity, the heat exchange channel 8 being communicated with the inlet 11 and the outlet 12, and the heat transfer element extends into the heat exchange channel 8.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the details of the above embodiments, and the technical concept of the present invention can be within the scope of the present invention to perform various simple modifications to the technical solution of the present invention, and these simple modifications all belong to the protection scope of the present invention.
It should be noted that the various features described in the above embodiments may be combined in any suitable manner without departing from the scope of the invention. In order to avoid unnecessary repetition, the present invention does not separately describe various possible combinations.
In addition, various embodiments of the present invention can be combined arbitrarily, and the disclosed content should be regarded as the present invention as long as it does not violate the idea of the present invention.
Claims (10)
1, kinds of heat-retaining device, its characterized in that, heat-retaining device includes casing (1), it has heat storage chamber and heat transfer chamber to inject in casing (1), heat storage chamber with it is isolated through heat insulation layer (2) between the heat transfer chamber, casing (1) go up seted up with entry (11) and export (12) of heat transfer chamber intercommunication, entry (11) are used for supplying heat transfer medium to get into the heat transfer chamber, export (12) are used for supplying heat transfer medium follows the heat transfer chamber is discharged, heat-retaining device still includes heat transfer element, heat transfer element be used for with heat transfer in the heat storage chamber extremely the heat transfer chamber with heat transfer medium carries out the heat exchange.
2. The heat storage device as claimed in claim 1, wherein a vacuum environment or an inert gas environment is formed in the heat storage chamber.
3. Heat storage device according to claim 1, characterised in that the heat exchange chamber is located above the heat storage chamber and the heat transfer element is a heat pipe (3) arranged in the housing (1) extending from the heat storage chamber to the heat exchange chamber.
4. Heat storage arrangement according to claim 3, characterised in that the inlet (11) and the outlet (12) are located on opposite sides of the heat exchange chamber.
5. Heat storage device according to claim 3, characterised in that it comprises a plurality of heat pipes (3), said heat pipes (3) being arranged parallel to each other and spaced apart.
6. Heat storage arrangement according to any of claims 1-5, characterised in that a heat storage medium (4) and a heat generating body (5) for supplying heat to the heat storage medium (4) are arranged in the heat storage chamber, and that the heat transfer element extends into the heat storage medium (4).
7. The heat storage device of claim 6, wherein an th heat insulation layer (6) is further arranged in the heat storage cavity, and the th heat insulation layer (6) wraps the heat storage medium (4) to seal the heat storage medium (4).
8. Heat storage arrangement according to claim 6, characterised in that the heat storage medium (4) is a solid material or a phase change type material with high thermal conductivity; and/or
The heating body (5) is a heating wire which is inserted in the heat storage medium (4).
9. Heat storage device according to any of claims 1-5, characterised in that a second layer of insulation (7) is arranged inside the heat exchange chamber, that the second layer of insulation (7) defines a heat exchange channel (8) inside the heat exchange chamber communicating with the inlet (11) and the outlet (12), and that the heat transfer element extends into the heat exchange channel (8).
10. Heat storage device according to any , characterised in that the insulating layer (2) is formed by fibre wool, hollow ceramic balls or hollow bricks.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201920674964.2U CN210004839U (en) | 2019-05-10 | 2019-05-10 | Heat storage device |
Applications Claiming Priority (1)
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CN201920674964.2U CN210004839U (en) | 2019-05-10 | 2019-05-10 | Heat storage device |
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CN210004839U true CN210004839U (en) | 2020-01-31 |
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CN201920674964.2U Active CN210004839U (en) | 2019-05-10 | 2019-05-10 | Heat storage device |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111735219A (en) * | 2020-06-29 | 2020-10-02 | 浙江高晟光热发电技术研究院有限公司 | Multistage heat storage device |
CN113445060A (en) * | 2020-03-07 | 2021-09-28 | 东莞宝杰康氢科技有限公司 | Hydrogen production module and heat exchange system |
CN113529116A (en) * | 2020-04-20 | 2021-10-22 | 东莞宝杰康氢科技有限公司 | Oxyhydrogen gas and hydrogen-rich water supply system |
CN113654385A (en) * | 2021-08-31 | 2021-11-16 | 中国船舶重工集团公司第七0三研究所 | Clip structure of high-efficiency solid heat storage device |
-
2019
- 2019-05-10 CN CN201920674964.2U patent/CN210004839U/en active Active
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113445060A (en) * | 2020-03-07 | 2021-09-28 | 东莞宝杰康氢科技有限公司 | Hydrogen production module and heat exchange system |
CN113529116A (en) * | 2020-04-20 | 2021-10-22 | 东莞宝杰康氢科技有限公司 | Oxyhydrogen gas and hydrogen-rich water supply system |
CN111735219A (en) * | 2020-06-29 | 2020-10-02 | 浙江高晟光热发电技术研究院有限公司 | Multistage heat storage device |
CN113654385A (en) * | 2021-08-31 | 2021-11-16 | 中国船舶重工集团公司第七0三研究所 | Clip structure of high-efficiency solid heat storage device |
CN113654385B (en) * | 2021-08-31 | 2023-08-08 | 中国船舶重工集团公司第七0三研究所 | High-efficient solid-state heat storage device's circuit structure |
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Address after: 100011 Beijing Dongcheng District, West Binhe Road, No. 22 Patentee after: CHINA ENERGY INVESTMENT Corp.,Ltd. Patentee after: Beijing low carbon clean energy research institute Address before: 100011 Beijing Dongcheng District, West Binhe Road, No. 22 Patentee before: CHINA ENERGY INVESTMENT Corp.,Ltd. Patentee before: Beijing low carbon clean energy research institute |
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CP01 | Change in the name or title of a patent holder |