CN111102634A - Solid electric heat storage device with double-temperature heat pipe - Google Patents
Solid electric heat storage device with double-temperature heat pipe Download PDFInfo
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- CN111102634A CN111102634A CN202010139180.7A CN202010139180A CN111102634A CN 111102634 A CN111102634 A CN 111102634A CN 202010139180 A CN202010139180 A CN 202010139180A CN 111102634 A CN111102634 A CN 111102634A
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- 238000005338 heat storage Methods 0.000 title claims abstract description 93
- 239000007787 solid Substances 0.000 title claims abstract description 88
- 238000005485 electric heating Methods 0.000 claims abstract description 41
- 239000002184 metal Substances 0.000 claims abstract description 41
- 229910052751 metal Inorganic materials 0.000 claims abstract description 41
- 230000005855 radiation Effects 0.000 claims abstract description 18
- 238000009833 condensation Methods 0.000 claims abstract description 17
- 230000005494 condensation Effects 0.000 claims abstract description 17
- 238000010521 absorption reaction Methods 0.000 claims abstract description 15
- 230000008020 evaporation Effects 0.000 claims abstract description 15
- 238000001704 evaporation Methods 0.000 claims abstract description 15
- 238000004321 preservation Methods 0.000 claims abstract description 13
- 230000017525 heat dissipation Effects 0.000 claims abstract description 11
- 238000009413 insulation Methods 0.000 claims abstract description 9
- 238000010438 heat treatment Methods 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 230000005484 gravity Effects 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 6
- 229910001018 Cast iron Inorganic materials 0.000 claims description 3
- 238000009825 accumulation Methods 0.000 claims description 3
- 230000002528 anti-freeze Effects 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 claims description 3
- 229910052595 hematite Inorganic materials 0.000 claims description 3
- 239000011019 hematite Substances 0.000 claims description 3
- LIKBJVNGSGBSGK-UHFFFAOYSA-N iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Fe+3].[Fe+3] LIKBJVNGSGBSGK-UHFFFAOYSA-N 0.000 claims description 3
- 150000003839 salts Chemical class 0.000 claims description 3
- 239000011343 solid material Substances 0.000 claims description 3
- 239000004575 stone Substances 0.000 claims description 3
- 239000011232 storage material Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 description 9
- 238000010276 construction Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005429 filling process Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D11/00—Central heating systems using heat accumulated in storage masses
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D13/00—Electric heating systems
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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
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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)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Thermal Insulation (AREA)
Abstract
The invention discloses a solid electric heat storage device with a double-temperature heat pipe, which comprises an electric heating unit, a heat insulation shell with a heat insulation layer and a heat consumer, and is technically characterized in that: the heat-resistant plate is arranged on the inner side of the heat-insulating shell, the electric heating unit controlled by the electric control device is arranged at the bottom of the inner side of the heat-insulating shell, and the heat radiation absorption plate is upwards arranged on the heating unit; a solid heat storage medium is arranged in the heat preservation shell at the upper part of the heat radiation absorption plate, and vertical thick heat pipes are also distributed in the solid heat storage medium; the thick heat pipe and the thin heat pipe are coaxially and vertically sleeved by a structure that the thick heat pipe is arranged above the lower thin heat pipe; the evaporation section of the thin heat pipe is arranged in the condensation section at the upper part of the thick heat pipe, and the condensation section of the thin heat pipe is connected with the heat release medium cavity through the heat dissipation metal plate; the heat releasing medium cavity is communicated with a heat user through a pipeline, and the returned heat releasing medium returns to the heat releasing medium cavity to form a loop.
Description
Technical Field
The invention relates to the technical field of solid electric heat storage, in particular to a solid electric heat storage device with a double-temperature heat pipe, which optimizes the working processes of heat storage and heat release of a solid heat storage medium by utilizing the heat conduction characteristic of the heat pipe.
Background
In order to store heat, the solid electric heat storage device needs to be provided with 40-100 kilograms of solid heat storage media per kilowatt of electric power, and equipment manufacturers are not suitable for the solid electric heat storage device with the complete machine delivery electric input power larger than 5 kilowatts, because the solid electric heat storage device is inconvenient to move and transport. In order to overcome the defect that the solid electric heat storage device is too heavy, some manufacturers research a combined structure which is easy to assemble, and want to achieve the degree that a user can install the solid electric heat storage device conveniently. When a user purchases the solid electric heat storage device, the problem that equipment manufacturers send professional technicians to the site is solved, solid heat storage media with blocky structures are built in the heat preservation shell, and then electric heating elements arranged in the built solid heat storage media structures in an array mode are connected into an electric heating unit capable of working at the rated voltage of the equipment. The outside of the heat-insulating shell is also provided with a hot air heat exchanger, a heat exchange fan, a circulating air pipeline and other components, and the heat-insulating shell is also required to be debugged by a professional engineer after the field construction is finished. If the electric heating element can be manufactured in a factory workshop, the plug-and-play electric heating element does not need to be supported by a solid heat storage medium structure; the solid heat storage medium can be installed by a simple filling process instead of a masonry process with high technical requirements; and the new heat output structure is used for simplifying the heat output structure formed by the hot air heat exchanger, the heat exchange fan, the circulating air pipeline and the like, and the key step of realizing that a manufacturer does not need to send professional technical staff to arrive at the on-site delivery equipment is realized.
Disclosure of Invention
The invention aims to provide a solid electric heat storage device with a double-temperature heat pipe, so that a user can finish equipment installation according to equipment random specifications without professional training as a household appliance is purchased in a store, and the equipment delivery cost is reduced.
The purpose of the invention is realized by the following technical scheme: a solid electric heat storage device with a double-temperature heat pipe comprises: electric heating unit, electric control unit, the heat preservation casing of taking the heat insulation layer, solid heat accumulation medium, exothermic medium pipeline, hot user, its characterized in that: a layer of heat-resistant metal plate layer is arranged on the inner side of the heat-insulating shell, an electric heating unit controlled by an electric control device and a cable is arranged at the bottom of the inner side of the heat-insulating shell, and a heat radiation absorption plate is arranged on the electric heating unit; solid heat storage media are arranged in the cavity of the heat preservation shell at the upper part of the heat radiation absorption plate, vertical cylindrical thick heat pipes are distributed among the solid heat storage media, and the vertical cylindrical thick heat pipes are as high as the cavity of the heat preservation shell; a through hole for mounting the double-temperature heat pipe assembly is arranged at the corresponding position of the top of the vertical cylindrical thick heat pipe and the heat-resistant metal plate layer, and a solid heat storage medium hole is also arranged at the top of the heat-insulating shell; the double-temperature heat pipe assembly is formed by coaxially and vertically sleeving a thick heat pipe and a thin heat pipe, wherein the working temperature of the thick heat pipe is equal to the temperature of a solid heat storage medium, the thick heat pipe is driven by gravity, the working temperature of the thin heat pipe is equal to the temperature of a heat release medium, and the thin heat pipe is driven by gravity; a plurality of heat insulation shell bodies are erected in the solid heat storage medium cavity through the double-temperature heat pipe assembly holes from the outer side of the heat insulation shell body, the outer vertical surface of a thick heat pipe metal cylinder of the double-temperature heat pipe assembly is in close contact with the solid heat storage medium in the solid heat storage medium cavity, and the end of an evaporation section of the thick heat pipe is in contact with the upper surface of the thermal radiation absorption plate; the evaporation section of the thin heat pipe is arranged in the condensation section at the upper part of the thick heat pipe, and the condensation section of the thin heat pipe is connected with the heat release medium cavity through the heat dissipation metal plate; the heat releasing medium cavity is communicated with the pipeline with the heat releasing medium and the heat user in sequence through the heat releasing medium output interface, and the heat releasing medium pipeline returned from the heat user is communicated with the heat releasing medium input interface to form a loop.
The electric heating unit is a functional module which is formed by fixedly connecting a plurality of electric heating tubes, electric heating belts, electric heating plates, electric heating wires or PTC heating ceramics and other electric heating elements in a tray into a plurality of groups, and each group can stably heat after being connected with a power supply.
The solid heat storage medium refers to a bulk solid material of a common refractory pouring material, a phase-change heat storage material refractory pouring material, industrial salt particles, calcined hematite particles or broken stone aggregate;
the heat-releasing medium cavity is a steam drum component for absorbing the heat energy of the heat-dissipating metal plate arranged at the condensation end of each thin heat pipe, or a heat-absorbing metal pipe arranged on the heat-dissipating metal plate at the condensation end of each thin heat pipe, and is connected into a metal component through series connection;
the electric control device is an intelligent execution component which sets and stores heat storage and heat release parameters and works according to the heat storage and heat release parameters;
the heat radiation absorption plate is a high-temperature resistant cast iron plate;
the thick heat pipe is a two-phase closed thermosiphon which can transfer the heat energy of an electric heating unit to a solid heat storage medium within the range of 80-550 ℃ and absorb the heat of the solid heat storage medium to heat the evaporation section of the thin heat pipe, and a heat-resistant metal pipe with the wall thickness of 1.0-20 mm is vacuumized and injected with a working medium;
the thin heat pipe is a heat-resistant metal pipe with the wall thickness of 0.2mm to 5mm and the working temperature can be set according to the temperature required by a heat-releasing medium, and the thin heat pipe is a two-phase closed thermosiphon pipe which is manufactured by vacuumizing and injecting the working medium;
the heat release medium comprises water, water vapor, air, heat conduction oil or antifreeze.
The invention has the beneficial effects that: the thick heat pipe is arranged in the solid heat storage medium, the thermal resistance of the heat energy stored in the solid heat storage medium by the electric heating unit is reduced by utilizing the efficient heat transfer performance of the heat pipe, the large metal outer vertical surface of the thick heat pipe column body is in close contact with the solid heat storage medium, the heat conduction contact surface of the solid heat storage medium is increased, and the heat absorption and release capacities of the solid heat storage medium are improved. The thin heat pipe is used for replacing a heat release structure of the hot air heat exchanger, the heat exchange fan and the circulating air pipeline, so that the installation structure is simplified; the construction process of filling the castable or the granular material as the solid heat storage medium replaces the construction process of building a massive solid heat storage medium, so that the installation difficulty is reduced; especially, the thin heat pipe with the evaporation section arranged in the condensation section of the thick heat pipe can clamp the output temperature of the heat releasing medium within the working temperature range by utilizing the constant temperature characteristic of the heat pipe.
Drawings
FIG. 1 is a schematic diagram of a solid electric heat storage device with a dual-temperature heat pipe according to the present invention;
FIG. 2 is a schematic diagram of a steam output structure of the solid electric heat storage device with the dual-temperature heat pipe according to the present invention;
the main part numbers in the drawings are explained as follows: 1 heat preservation shell, 2 solid heat storage media, 3 electric heating units, 4 thick heat pipes, 5 thin heat pipes, 6 heat dissipation metal plates, 7 heat dissipation metal pipes, 8 heat dissipation medium input interfaces, 9 heat dissipation medium output interfaces, 10 pipelines, 11 electric control devices, 12 heat users, 13 steam drums, 14 steam output interfaces, 15 water replenishing ports, 16 heat-resistant metal plates, 17 heat dissipation media, 18 heat radiation absorption plates, 19 metal top plates, 20 through holes of double-temperature heat pipe assemblies, 21 solid heat storage medium holes, 22 control cables and 23 hot steam.
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Detailed Description
The above objects, features and advantages of the present invention will become more apparent from the following detailed description of the present invention with reference to fig. 1.
Example 1
As shown in fig. 1, 1 is a heat-insulating casing with a heat-insulating layer, 2 is a solid heat storage medium, 3 is an electric heating unit, 11 is an electric control device, and 12 is a heat consumer; a layer of heat-resistant metal plate layer 16 is arranged on the inner side of the heat-insulating shell 1, an electric heating unit 3 controlled by an electric control device 11 and a cable 22 is arranged at the bottom of the inner side of the heat-insulating shell, and a heat radiation absorbing plate 18 is upwards arranged on the electric heating unit 3; a solid heat storage medium 2 is arranged in the heat preservation shell cavity at the upper part of the heat radiation absorption plate 18, vertical cylindrical thick heat pipes 4 are distributed among the solid heat storage media, and the vertical cylindrical thick heat pipes are as high as the heat preservation shell cavity; a through hole 20 for installing a double-temperature heat pipe assembly is arranged at the corresponding position of the top of the vertical cylindrical thick heat pipe and the heat-resistant metal plate layer, and a solid heat storage medium hole 21 is also arranged at the top of the heat-insulating shell; the double-temperature heat pipe assembly is formed by coaxially and vertically sleeving a thick heat pipe and a thin heat pipe, wherein the working temperature of the thick heat pipe is equal to the temperature of a solid heat storage medium, the thick heat pipe is driven by gravity, the working temperature of the thin heat pipe is equal to the temperature of a heat release medium, and the thin heat pipe is driven by gravity; a plurality of heat-insulating shell bodies are erected in the solid heat storage medium cavity through the holes of the double-temperature heat pipe assembly from the outer side of the heat-insulating shell body, the outer vertical surface of a thick heat pipe metal cylinder of the double-temperature heat pipe assembly is in close contact with the solid heat storage medium 2 in the solid heat storage medium cavity, and the end of an evaporation section of the thick heat pipe is in contact with the upper surface of the thermal radiation absorption plate; the evaporation section of the thin heat pipe is arranged in the condensation section at the upper part of the thick heat pipe, and the condensation section of the thin heat pipe is connected with the heat release medium cavity through the heat dissipation metal plate 6; the heat-releasing medium cavity is communicated with a pipeline 10 with heat-releasing medium and a heat user in sequence through a heat-releasing medium output interface 9, and a heat-releasing medium pipeline returned from the heat user 12 is communicated with a heat-releasing medium input interface 8 to form a loop.
The specific structural details of the invention are as follows: a solid heat storage medium cavity is arranged at the upper end of the electric heating unit 3 in the heat preservation shell 1; the solid heat storage medium cavity with the height equal to the length of the cylinder of the thick heat pipe 4 is a barrel-shaped body which is coiled by a heat-resistant metal plate 16 and is tightly combined with the inner side surface of the heat-insulating shell. The bottom surface is provided with a heat radiation absorbing plate 18, the upper surface is provided with a barrel-shaped body of a heat-resistant metal top plate 19 which is uniformly distributed with a double-temperature heat pipe component hole 20 and a solid heat storage medium hole 21, and the inner side surface of the heat-insulating shell 1 can be used for replacing the heat-resistant metal plate 16; the double-temperature heat pipe assembly is formed by coaxially and vertically sleeving a structure in which the working temperature is equal to the temperature of the solid heat storage medium 2, the thick heat pipe 4 is driven by gravity, and the working temperature is equal to the temperature of the heat release medium, the thin heat pipe 5 is driven by gravity, and the structure is formed by coaxially sleeving the thick heat pipe 4 on the thin heat pipe 5; a plurality of heat insulation shell bodies 1 are erected in the solid heat storage medium cavity through the double-temperature heat pipe assembly holes 20 from the outer side, the outer vertical surface of the metal cylinder of the thick heat pipe 4 of the double-temperature heat pipe assembly is tightly contacted with the solid heat storage medium 2 in the solid heat storage medium cavity, and the end of the evaporation section of the thick heat pipe 4 is contacted with the upper surface of the heat radiation absorption plate 18; the evaporation section of the thin heat pipe 5 is arranged in the condensation section of the thick heat pipe 4, and the condensation section of the thin heat pipe 5 is connected with the heat release medium cavity through the metal heat dissipation plate 6. The electric heating unit 3 is a functional module which is formed by fixedly connecting a plurality of electric heating tubes, electric heating belts, electric heating plates, electric heating wires, PTC heating ceramics and other electric heating elements into a plurality of groups in the tray, and each group can stably generate heat after being powered on. The solid heat storage medium 2 is a bulk solid material which is split-packaged in a plurality of packages convenient for manual carrying according to the weight required by the device and comprises common refractory pouring materials, phase-change heat storage material refractory pouring materials, industrial salt particles, calcined hematite particles and broken stone aggregates. The heat release medium cavity is a metal component which is formed by connecting heat release metal pipes 7 arranged on the heat dissipation metal plates 6 at the condensation ends of the thin heat pipes 5 in series. The electric control device 11 is an intelligent execution unit that sets and stores heat storage and release parameters, and operates according to the heat storage and release parameters. The thermal radiation absorbing plate 18 is a high temperature resistant cast iron plate. The thick heat pipe 4 is a two-phase closed thermosiphon which can transfer the heat energy of the electric heating unit 3 to the solid heat storage medium 2 in the range of 80 ℃ to 550 ℃ and can absorb the heat energy of the solid heat storage medium 2 to heat the evaporation section of the thin heat pipe 5, and is made of a heat-resistant metal pipe with the wall thickness of 1.0mm to 20mm and a working medium injected by vacuumizing. The thin heat pipe 5 is a heat-resistant metal pipe with the wall thickness of 0.2mm to 5mm and the working temperature can be set according to the temperature required by the heat release medium 17, and is a two-phase closed thermosiphon pipe which is manufactured by vacuumizing and injecting the working medium. The heat release medium 17 comprises water, water vapor, air, heat transfer oil and antifreeze.
The installation process of the invention is described in connection with fig. 1: according to the solid electric heat storage device with the double-temperature heat pipe produced according to the use requirement of the heat user 12, when the geometric dimension of the heat preservation shell 1 meets the carrying requirement and is only too heavy, the solid heat storage medium 2 of the equipment is divided into small packages convenient to carry, after the equipment is carried to the site along with the equipment, the solid heat storage medium 2 is filled into a solid heat storage medium cavity from a solid heat storage medium hole 21, the connection between each interface of the heat release medium cavity of the device and the heat user 12 is completed, and the power supply is switched on, so that the equipment has working conditions; if the heat storage power of the device is large, the geometric dimension of the heat-insulating shell 1 does not meet the transportation requirement, the device is divided into a plurality of groups of split structures, so that each group of device heat-insulating shell 1 capable of working independently meets the transportation requirement, and the purpose of simply installing high-power equipment is achieved.
The heat storage process of the present invention is described with reference to fig. 1: the power supply of the electric control device 11 is switched on to set heat storage parameters, the electric heating unit 3 works according to the set heat storage parameters such as heating power, heat release temperature, working time interval and duration, the heat emitted by the electric heating unit 3 is transferred to the evaporation section of the coarse heat pipe 4 through the heat radiation absorption plate 18, and the solid heat storage medium 2 is heated to the set temperature by utilizing the good heat transfer characteristic of the coarse heat pipe 4 to complete the heat storage process of the device;
the exothermic process is described in connection with FIG. 1: the heat energy stored in the solid heat storage medium 2 enables the condensation section of the thick heat pipe 4 to keep a sufficient temperature to heat the evaporation section of the thin heat pipe 5, enables the condensation section of the thin heat pipe 5 to quickly reach the temperature of the heat release medium 17 required by the heat consumer 12, and keeps stably outputting the heat energy to the heat consumer 12.
Example 2
As shown in fig. 2, the heat-releasing medium 17 is water vapor according to the requirement of the heat consumer 12, and a vapor drum 13 component is arranged at the condensation end of each thin heat pipe 5 for dissipating the heat energy of the metal plate 6; the steam drum 13 is communicated with the pipeline 10 with hot steam 23 and a hot user in sequence through a steam output interface 15, and condensed water returned from the hot user 12 is communicated with an upper water replenishing port 15 of the steam drum 13 through the pipeline 10 to form a loop. The other structures, mounting process, heat accumulation process and heat release process are exactly the same as those of embodiment 1, and thus are omitted.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (9)
1. A solid electric heat storage device with a double-temperature heat pipe comprises: electric heating unit, electric control unit, the heat preservation casing of taking the heat insulation layer, solid heat accumulation medium, exothermic medium pipeline, hot user, its characterized in that: a layer of heat-resistant metal plate layer is arranged on the inner side of the heat-insulating shell, an electric heating unit controlled by an electric control device and a cable is arranged at the bottom of the inner side of the heat-insulating shell, and a heat radiation absorption plate is arranged on the electric heating unit; solid heat storage media are arranged in the cavity of the heat preservation shell at the upper part of the heat radiation absorption plate, vertical cylindrical thick heat pipes are distributed among the solid heat storage media, and the vertical cylindrical thick heat pipes are as high as the cavity of the heat preservation shell; a through hole for mounting the double-temperature heat pipe assembly is arranged at the corresponding position of the top of the vertical cylindrical thick heat pipe and the heat-resistant metal plate layer, and a solid heat storage medium hole is also arranged at the top of the heat-insulating shell; the double-temperature heat pipe assembly is formed by coaxially and vertically sleeving a thick heat pipe and a thin heat pipe, wherein the working temperature of the thick heat pipe is equal to the temperature of a solid heat storage medium, the thick heat pipe is driven by gravity, the working temperature of the thin heat pipe is equal to the temperature of a heat release medium, and the thin heat pipe is driven by gravity; a plurality of heat insulation shell bodies are erected in the solid heat storage medium cavity through the double-temperature heat pipe assembly holes from the outer side of the heat insulation shell body, the outer vertical surface of a thick heat pipe metal cylinder of the double-temperature heat pipe assembly is in close contact with the solid heat storage medium in the solid heat storage medium cavity, and the end of an evaporation section of the thick heat pipe is in contact with the upper surface of the thermal radiation absorption plate; the evaporation section of the thin heat pipe is arranged in the condensation section at the upper part of the thick heat pipe, and the condensation section of the thin heat pipe is connected with the heat release medium cavity through the heat dissipation metal plate; the heat releasing medium cavity is communicated with the pipeline with the heat releasing medium and the heat user in sequence through the heat releasing medium output interface, and the heat releasing medium pipeline returned from the heat user is communicated with the heat releasing medium input interface to form a loop.
2. The solid electric thermal storage device of claim 1, wherein: the electric heating unit is a functional module which is formed by fixedly connecting a plurality of electric heating pipes, electric heating belts, electric heating plates, electric heating wires or PTC heating ceramic electric heating elements into a plurality of groups in a tray, and each group can stably heat after being powered on.
3. The solid electric thermal storage device of claim 1, wherein: the solid heat storage medium is a bulk solid material of a common refractory pouring material, a phase-change heat storage material refractory pouring material, industrial salt particles, calcined hematite particles or broken stone aggregate.
4. The solid electric thermal storage device of claim 1, wherein: the heat releasing medium cavity is a steam drum component for absorbing heat energy of the heat dissipating metal plate arranged at the condensing end of each thin heat pipe, or a heat absorbing metal pipe arranged on the heat dissipating metal plate at the condensing end of each thin heat pipe, and the heat absorbing metal pipes are connected in series and connected to form a metal component.
5. The solid electric thermal storage device of claim 1, wherein: the electric control device is an intelligent execution component which is used for setting and storing heat storage and heat release parameters and works according to the heat storage and heat release parameters.
6. The solid electric thermal storage device of claim 1, wherein: the heat radiation absorbing plate is high temperature resistant cast iron.
7. The solid electric thermal storage device of claim 1, wherein: the thick heat pipe is a two-phase closed thermosiphon which is made by adopting a heat-resistant metal pipe with the wall thickness of 1.0mm to 20mm and injecting working medium through vacuumizing, wherein the heat energy of an electric heating unit is transferred to a solid heat storage medium within the range of 80 ℃ to 550 ℃, and the heat energy of the solid heat storage medium can be absorbed to heat the evaporation section of the thin heat pipe.
8. The solid electric thermal storage device of claim 1, wherein: the thin heat pipe is a two-phase closed thermosiphon pipe which is made by setting working temperature according to the temperature required by heat releasing medium, setting the wall thickness to be 0.2mm to 5mm, vacuumizing and injecting working medium.
9. The solid electric thermal storage device of claim 1, wherein: the heat release medium refers to water, water vapor, air, heat conduction oil or antifreeze.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010139180.7A CN111102634A (en) | 2020-03-03 | 2020-03-03 | Solid electric heat storage device with double-temperature heat pipe |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010139180.7A CN111102634A (en) | 2020-03-03 | 2020-03-03 | Solid electric heat storage device with double-temperature heat pipe |
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| CN111102634A true CN111102634A (en) | 2020-05-05 |
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| CN202010139180.7A Pending CN111102634A (en) | 2020-03-03 | 2020-03-03 | Solid electric heat storage device with double-temperature heat pipe |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114353161A (en) * | 2022-01-14 | 2022-04-15 | 河北工业大学 | Stepped storage and supply regulation and control method for solar energy-heat storage type pulsating heat pipe heating system |
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| CN210035439U (en) * | 2019-04-15 | 2020-02-07 | 沈阳世杰电器有限公司 | System device for heat storage and release circulation by utilizing closed pipeline |
| CN110608625A (en) * | 2019-04-30 | 2019-12-24 | 郑家远 | High-temperature solid electric heat accumulator with depth-adjustable heat pipe inserted into heat accumulator |
| CN212005869U (en) * | 2020-03-03 | 2020-11-24 | 沈阳世杰电器有限公司 | Solid electric heat storage device with double-temperature heat pipe |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114353161A (en) * | 2022-01-14 | 2022-04-15 | 河北工业大学 | Stepped storage and supply regulation and control method for solar energy-heat storage type pulsating heat pipe heating system |
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