CN109114633A - Solid thermal energy storage system with multiloop interface - Google Patents
Solid thermal energy storage system with multiloop interface Download PDFInfo
- Publication number
- CN109114633A CN109114633A CN201811109715.5A CN201811109715A CN109114633A CN 109114633 A CN109114633 A CN 109114633A CN 201811109715 A CN201811109715 A CN 201811109715A CN 109114633 A CN109114633 A CN 109114633A
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- Prior art keywords
- heat
- energy storage
- pipeline
- solid
- variable frequency
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- 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.)
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Classifications
-
- 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
-
- 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
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
-
- 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
Abstract
A kind of solid thermal energy storage system with multiloop interface, it include: multi-heat source system, pipeline, more heat-exchange systems, solid energy storage body, valve group, variable frequency drives, control device, heat user, relief cavity is characterized in that: having the heat carrier pipeline of multiple groups structure or single group structure inside solid energy storage body；Heat carrier pipeline is all made of two layers or arrangement above；It is connected after the heat exchange reflux end connection heat release variable frequency drives of single group structure with heat release reflux end pipe road, is connected after the heat exchange reflux end connection heat release variable frequency drives of multiple groups structure with the bottom heat release heat carrier pipeline of this group；Heat release output end is connected with the intracorporal every layer of heat carrier pipeline of solid energy storage, is connected after heat release reflux end pipe road connection heat accumulation variable frequency drives with relief cavity bottom end pipeline, heat accumulation by-passing valve is connected on the pipeline at the heat accumulation variable frequency drives both ends；Valve group is arranged on the outside of insulating layer.
Description
Technical field
The present invention relates to a kind of solid thermal energy storage system with multiloop interface, it be by operation variable frequency drives and
Be located at thermal energy input, output port valve group switch state, change solid thermal energy storage system thermal energy storage and thermal energy
Control planning between output.
Background technique
The heat capacity of general Hazards in Power Plant thermoelectricity unit is synchronous variation with generated energy, improves the same of heat capacity
When electricity volume be consequently increased.And current status, heat user demand growth speed are faster than the growth rate of electrical demand, make
Power plant with heat supply user causes steam power plant the electricity surfed the Internet occur and is limited often because giving way to wind-power electricity generation online, heat
The phenomenon of the heat capacity deficiency of net.Solution is that extra electric energy electrode furnace, resistance furnace are converted into high temperature heat
It, can be by subtracting by extra steam to supplement the heat capacity of heat supply network or using the method reduction generator output of intermediate pressure cylinder steam extraction
Heat source after warm reduced pressure treatment as heat supply network heat exchanger circulating water heating, there are also the outputs of solar light-heat power-generation system heat collector
High-temperature steam generally also will just can be used as the heat source of driving steam turbine power generation by pressure and temperature reducing processing.If energy will be above-mentioned
The thermal energy of the different temperatures generated in system is stored in the same solid thermal energy storage device, it is possible to reduce thermal energy storage dress
The investment set can also improve the utilization rate of different temperatures, pressure thermal energy；In the different temperatures section of solid energy storage body, setting is more
A heat release interface, each heat release interface select different output interface positions according to respective temperature parameter demand respectively.Reach same
One solid energy storage body meets different output temperature requirements.
Summary of the invention
The present invention is according in running order solid energy storage body, the lower feature of the higher bottom temp of head temperature, with
It is from low to high in the conclusion of positive distribution is foundation that temperature gradient existing for inside solid energy storage body, which is along short transverse,
Multiple inputs, output interface position are successively designed in solid energy storage body vertical direction, meet solid energy storage body in different energy storage
Selection suitable interface position when state and different inputs, output thermal energy Parameters variation.Realize one or two or more difference
The heat source of parameter shares same solid energy storage body storage thermal energy and can be completed at the same time the thermal energy of one or two or more different parameters
Output improves the storage capacity and heat release suitability of solid energy storage body.
The technical solution adopted in the present invention: a kind of solid thermal energy storage system with multiloop interface, it includes:
Multi-heat source system, pipeline, more heat-exchange systems, solid energy storage body, valve group, variable frequency drives, control device, heat user are dredged
Chamber, it is characterised in that: solid energy storage body is that the high temperature resistant building block body of outer side band insulating layer or high temperature resistant construction material pour
Body, pouring internal portion in high temperature resistant building block body or high temperature resistant construction material has heat accumulation made of heating resisting metal, heat release heat to carry
Body pipeline, it is total using two groups or more parallel or crossed array distributing installation multiple groups structure or multiple groups heat accumulation, heat release circuits
With the single group structure of one group of heat carrier pipeline；Heat carrier pipeline is all made of series, parallel or series-parallel system and vertically
Upper is two layers or arrangement above；Every layer of heat carrier pipeline port by exchanging heat respectively with more heat-exchange systems with valvular pipeline
Input terminal is connected, and flow back after the heat exchange reflux end connection heat release variable frequency drives of single group structure with multi-heat source system heat release end pipe
Road is connected, the bottom heat release heat carrier pipeline phase after the heat exchange reflux end connection heat release variable frequency drives of multiple groups structure with this group
Connection, connected on the pipeline at the heat release variable frequency drives both ends heat release by-passing valve and more heat-exchange systems directly with heat user phase
Even；The heat release output end of multi-heat source system by with valvular pipeline respectively with the intracorporal every layer of heat carrier pipeline of solid energy storage
It is connected, is connected after multi-heat source system heat release reflux end pipe road connection heat accumulation variable frequency drives with relief cavity bottom end pipeline,
Heat accumulation by-passing valve is connected on the pipeline at the heat accumulation variable frequency drives both ends；Valve group is arranged on the outside of insulating layer；The control dress
Set can according to each layer heat carrier pipeline temperature of solid energy storage body of acquisition, pressure parameter, complete control it is each input, output loop with
Valve group conversion work between solid energy storage body.
Multi-heat source system of the present invention include sunlight heat heat collector, in Steam Turbine, the steam discharge heat source of low pressure (LP) cylinder
Or the high temperature that resistance furnace, the electrode furnace through connecing the step-down transformer secondary electrical source on the inside of power plant online energy metering table produce
Heat source and the heat source that pipeline can be used.
More heat-exchange systems of the present invention are to export steam, hot water, conduction oil, hot wind made of metal component
Or the heat exchanger combination of fused salt.
Valve group of the present invention is by pipeline and heat carrier pipeline, relief cavity are connected in solid energy storage body hand
Movable valve, operated pneumatic valve and electrically operated valve.
Temperature sensor and pressure sensor are additionally provided on the inside of valve group of the present invention.
Variable frequency drives of the present invention include heat accumulation variable frequency drives and heat release variable frequency drives are that driving adjusts heat load
Body heat accumulation, the water pump of emission capacity, compressed air driver, Heat-transfer Oil Pump.Separate unit group or more combination settings can be used.
Heat user of the present invention include building heating, industrial heat resources, steam-electric power unit heat user.
Each level course in the intracorporal heat carrier pipeline of solid energy storage of the present invention is distributed using array, each
High temperature resistant building block body or high temperature resistant construction material are poured and are also covered on building body separation layer below the heat carrier pipeline of level course
Metal heat-conducting partition.
Heat carrier of the present invention refers to that hot water, water vapour, compressed air, conduction oil or lava have leading for mobility
Thermal medium.
Heat carrier pipeline outer layer of the present invention is provided with the absorption for preventing solid energy storage body from being split by heat carrier pipeline account
The buffer structure of thermal expansion stress.
The beneficial effects of the present invention are: the storage of multiloop multi-temperature parameter can be carried out simultaneously in a solid energy storage body
Heat, heat release.Multi-heat source is completed at the same time to deposit heat and to the exothermic work of multi-user, can effectively adjust hot between heat source and user
Can balance between supply and demand, it is spare that thermal energy storage done into supplemental heat source in solid energy storage body when heat source has more than needed.
Detailed description of the invention
Fig. 1 is the single group structure solid thermal energy storage system in the double group heat accumulation circuits of present invention band, double groups of heat release circuit interfaces
Simplified schematic diagram.
Fig. 2 is the multiple groups structure solid thermal energy storage system in the double group heat accumulation circuits of present invention band, double groups of heat release circuit interfaces
Simplified schematic diagram.
Main component number explanation is as follows in attached drawing: 1 multi-heat source system, 2 pipelines, more than 3 heat-exchange systems, 4 solid energy storages
Body, 5 valve groups, 6 heat accumulation variable frequency drives, 7 control devices, 8 heat users, 9 by-passing valves, 10 heat carriers, 11 insulating layers, 12 metals
Plate, 13 heat release variable frequency drives, 14 heat release output ends, 15 heat releases reflux end, 16 heat exchange input terminals, 17 heat exchange reflux ends, 18 are dredged
Guide cavity, 19 heat carrier level pressure supplementary devices.
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only the embodiment of the present invention, right
For those of ordinary skill in the art, without creative efforts, other can be also obtained according to these attached drawings
Attached drawing.
Specific embodiment
Keep the above objects, features and advantages of the present invention more obvious and easy to understand, with reference to the accompanying drawing 1 and by specific
The present invention is described in further detail for embodiment.
Embodiment 1:
The present embodiment is as shown in Figure 1, be the single group structure solid thermal energy storage in the double group heat accumulation circuits of band, double groups of heat release circuit interfaces
System；As shown in Fig. 2, be the multiple groups structure solid thermal energy storage system in the double group heat accumulation circuits of band, double groups of heat release circuit interfaces, it
Include: multi-heat source system 1, pipeline 2, more heat-exchange systems 3, solid energy storage body 4, valve group 5, variable frequency drives, control dress
Set 7, heat user 8, by-passing valve 9, heat carrier 10, insulating layer 11, metal plate 12, heat release variable frequency drives 13, heat release output end 14,
Heat release reflux end 15, heat exchange input terminal 16, heat exchange reflux end 17, relief cavity 18, heat carrier level pressure supplementary device 19.
Solid energy storage body 4 as shown in Figure 1 is the high temperature resistant building block body of outer side band insulating layer 11.It builds and builds in high temperature resistant
Bulk inner has double group heat accumulations, double groups of heat release heat carrier pipeline circuits made of heating resisting metal to connect into single group structure, which carries
Body pipeline is using 7 layers of structure that is installed in series on level course parallel Vertical direction；Every layer of heat carrier pipeline port by having valve
The pipeline 2 of door is connected with double loop heat exchange input terminal 16 respectively, and the heat exchange reflux end 17 of more heat-exchange systems 3 is connected with pipeline 2
It is connected after heat release variable frequency drives 13 with the pipeline at heat release reflux end 15, the pipeline 2 at 13 both ends of heat release variable frequency drives
Upper connection heat release by-passing valve 9, and more heat-exchange systems 3 are directly connected with heat user 8；The heat release output end 14 of multi-heat source system 1 is logical
It crosses the valvular pipeline 2 of double loop band to be connected with every layer of heat carrier pipeline in solid energy storage body 4 respectively, heat release reflux end 15
It is connected with after the connection heat accumulation variable frequency drives 6 of pipeline 2 with 18 bottom end pipeline 2 of relief cavity, at 6 both ends of heat accumulation variable frequency drives
Pipeline 2 on connect heat accumulation by-passing valve 9, relief cavity 18 is the metal enclosed cavity installed elevationally outward along insulating layer 11, in valve
The heat release operating path of heat carrier 10 is dredged under the control of door group 5；Valve group setting is in 11 outside of insulating layer；Control device 7
According to solid energy storage body 4 each layers of heat carrier pipeline temperature, pressure parameter of acquisition, completes control and be located at double heat release circuits, double heat exchange
The working condition of valve group 5 between circuit and solid energy storage body 4.
Heat accumulation process: the solid thermal energy storage system with multiloop interface is described in conjunction with Fig. 1, by the extra electric energy of steam power plant
It is converted into high-temperature steam deposit solid energy storage body 4 with directly-heated type resistance furnace, while the steam that intermediate pressure cylinder is extracted out is also stored in solid
Storage bodies 4.When the high temperature resistant building block temperature in solid energy storage body 4 is lower, high-temperature steam that multi-heat source system 1 exports into
High-temperature steam condenses ponding to the cold in heat carrier pipeline when entering solid energy storage body 4, and control device 7 detects in heat carrier pipeline
Ponding position after, the valve group 5 where opening heat carrier pipeline between layer and relief cavity 18, by the condensation in heat carrier pipeline
Water discharges into relief cavity 18, and the ponding of 18 bottom of relief cavity is returned by the heat release that heat accumulation variable frequency drives 6 are transmitted back to multi-heat source system 1
End 15 is flowed, heat accumulation process is kept to work normally.
Exothermic process: the solid thermal energy storage system with multiloop interface is described in conjunction with Fig. 1, by the defeated with dsc data of user
Entering control 7, control device 7 acquires the data for being located at 5 side senser of valve group, and selection control meets the valve group 5 of exotherm requirement,
Thermal energy in solid energy storage body is conveyed to heat exchange 16 heat release of input terminal by the heat carrier 10 in pipeline 2, completes exothermic heat
Carrier 10 flows out more heat-exchange systems 3 from heat exchange reflux end 17, driving of the heat carrier 10 after cooling in heat release variable frequency drives 13
Under flow back into heat release reflux end 15, adjust heat release variable frequency drives 13 flow or change valve group 5 switch state, can adjust
Thermal output is saved, the heat demand of heat user is met.
Embodiment 2:
As shown in Fig. 2, heat accumulation, heat release circuit are more using parallel array distributing installation except heat carrier pipeline in solid energy storage body 4
It is also than in Fig. 1 to be provided with heat carrier level pressure supplementary device 19 outside group structure more.Heat carrier level pressure supplementary device 19, heat exchange reflux
End 17, between heat release variable frequency drives 13 with pipeline 2 together with.Purpose is that the heat that tail is pumped by being located at hot variable frequency drives 13 carries
Body level pressure supplementary device 19 establishes stable heat release operating condition.The course of work is no longer described in detail.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (10)
1. a kind of solid thermal energy storage system with multiloop interface, it includes: multi-heat source system, pipeline, more heat exchange systems
System, solid energy storage body, valve group, variable frequency drives, control device, heat user, relief cavity, it is characterised in that: solid energy storage body
Building body is poured for the high temperature resistant building block body or high temperature resistant construction material of outer side band insulating layer, in high temperature resistant building block body or resistance to
High temperature construction material, which pours internal portion, heat accumulation made of heating resisting metal, heat release heat carrier pipeline, parallel using two groups or more
Or the multiple groups structure or multiple groups heat accumulation of crossed array distributing installation, heat release circuit share the single group knot of one group of heat carrier pipeline
Structure；Heat carrier pipeline is all made of series, parallel or series-parallel system and is above vertically two layers or arrangement above；At every layer
Heat carrier pipeline port is connected by the input terminal that exchanges heat respectively with more heat-exchange systems with valvular pipeline, and single group structure is changed
It is connected after heat reflux end connection heat release variable frequency drives with multi-heat source system heat release reflux end pipe road, the heat exchange of multiple groups structure is returned
It is connected after stream end connection heat release variable frequency drives with the bottom heat release heat carrier pipeline of this group, in the heat release variable frequency drives two
Heat release by-passing valve is connected on the pipeline at end；And more heat-exchange systems are directly connected with heat user；The heat release output end of multi-heat source system
By being connected respectively with the intracorporal every layer of heat carrier pipeline of solid energy storage with valvular pipeline, multi-heat source system heat release reflux
It is connected after end pipe road connection heat accumulation variable frequency drives with relief cavity bottom end pipeline, the pipeline at the heat accumulation variable frequency drives both ends
Upper connection heat accumulation by-passing valve；Valve group is arranged on the outside of insulating layer；The control device can be each according to the solid energy storage body of acquisition
Layer heat carrier pipeline temperature, pressure parameter, the valve group completed between each input of control, output loop and solid energy storage body are converted
Work.
2. solid thermal energy storage system according to claim 1, it is characterised in that: the multi-heat source system includes the sun
In photo-thermal heat collector, Steam Turbine, the steam discharge heat source of low pressure (LP) cylinder or connect power plant online energy metering table on the inside of be depressured become
The resistance furnace of depressor secondary electrical source, the high temperature heat source of electrode furnace production and the heat source that pipeline can be used.
3. solid thermal energy storage system according to claim 1 or 2, it is characterised in that: more heat-exchange systems are to adopt
The heat exchanger combination of steam, hot water, conduction oil, hot wind or fused salt can be exported made of metal component.
4. solid thermal energy storage system according to claim 1, it is characterised in that: the valve group be by pipeline with
The manually-operated gate that heat carrier pipeline, relief cavity are connected in solid energy storage body, operated pneumatic valve and electrically operated valve.
5. solid thermal energy storage system according to claim 1 or 4, it is characterised in that: also set close to the valve side
It is equipped with temperature sensor and pressure sensor.
6. solid thermal energy storage system according to claim 1, it is characterised in that: the variable frequency drives include that heat accumulation becomes
Frequency driver and heat release variable frequency drives are that driving adjusts heat carrier heat accumulation, the water pump of emission capacity, compressed air driver, leads
Hot oil pump.Separate unit group or more combination settings can be used.
7. solid thermal energy storage system according to claim 1, it is characterised in that: the heat user includes that building supplies
Warm, industrial heat resources, steam-electric power unit heat user.
8. solid thermal energy storage system according to claim 1, it is characterised in that: the intracorporal heat carrier of solid energy storage
Each level course in pipeline is distributed using array, the high temperature resistant building block body below the heat carrier pipeline of each level course
Or high temperature resistant construction material pours and is also covered with metal heat-conducting partition on building body separation layer.
9. solid thermal energy storage system according to claim 1, it is characterised in that: the heat carrier refers to hot water, water
Steam, compressed air, conduction oil or lava have the heat-conducting medium of mobility.
10. solid thermal energy storage system according to claim 1, it is characterised in that: the heat carrier pipeline outer layer is set
It is equipped with the buffer structure for the absorbing thermal expansion stress for preventing solid energy storage body from being split by heat carrier pipeline account.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811109715.5A CN109114633A (en) | 2018-09-21 | 2018-09-21 | Solid thermal energy storage system with multiloop interface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811109715.5A CN109114633A (en) | 2018-09-21 | 2018-09-21 | Solid thermal energy storage system with multiloop interface |
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| Publication Number | Publication Date |
|---|---|
| CN109114633A true CN109114633A (en) | 2019-01-01 |
Family
ID=64856176
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811109715.5A Pending CN109114633A (en) | 2018-09-21 | 2018-09-21 | Solid thermal energy storage system with multiloop interface |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202304521U (en) * | 2011-06-12 | 2012-07-04 | 北京兆阳能源技术有限公司 | Solid heat storage device |
| WO2014057014A1 (en) * | 2012-10-12 | 2014-04-17 | Cm-Institute (Civilisations Matter) E.V. | Storage device for temporarily storing thermal energy, and method for operating a storage device |
| DE102012024211A1 (en) * | 2012-12-11 | 2014-06-12 | H.M. Heizkörper GmbH & Co. KG | Heat storage system for solar thermal system, has heat transfer medium distributor that is formed such that heat storage tanks are connected in series with flow and return connections at switching positions |
| CN206387296U (en) * | 2017-01-03 | 2017-08-08 | 中国电力工程顾问集团中南电力设计院有限公司 | The middle temperature phase-change thermal storage thermal desorption system of steam power plant's Large Copacity |
| CN207741616U (en) * | 2018-01-03 | 2018-08-17 | 衡水众业光能科技有限公司 | A kind of temperature stablizes the electric heat reservoir of output |
| CN108413470A (en) * | 2018-04-28 | 2018-08-17 | 思安新能源股份有限公司 | Thermoelectricity decoupled system and its working method based on solid heat accumulation |
| CN209181041U (en) * | 2018-09-21 | 2019-07-30 | 沈阳世杰电器有限公司 | Solid thermal energy storage system with multiloop interface |
-
2018
- 2018-09-21 CN CN201811109715.5A patent/CN109114633A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202304521U (en) * | 2011-06-12 | 2012-07-04 | 北京兆阳能源技术有限公司 | Solid heat storage device |
| WO2014057014A1 (en) * | 2012-10-12 | 2014-04-17 | Cm-Institute (Civilisations Matter) E.V. | Storage device for temporarily storing thermal energy, and method for operating a storage device |
| DE102012024211A1 (en) * | 2012-12-11 | 2014-06-12 | H.M. Heizkörper GmbH & Co. KG | Heat storage system for solar thermal system, has heat transfer medium distributor that is formed such that heat storage tanks are connected in series with flow and return connections at switching positions |
| CN206387296U (en) * | 2017-01-03 | 2017-08-08 | 中国电力工程顾问集团中南电力设计院有限公司 | The middle temperature phase-change thermal storage thermal desorption system of steam power plant's Large Copacity |
| CN207741616U (en) * | 2018-01-03 | 2018-08-17 | 衡水众业光能科技有限公司 | A kind of temperature stablizes the electric heat reservoir of output |
| CN108413470A (en) * | 2018-04-28 | 2018-08-17 | 思安新能源股份有限公司 | Thermoelectricity decoupled system and its working method based on solid heat accumulation |
| CN209181041U (en) * | 2018-09-21 | 2019-07-30 | 沈阳世杰电器有限公司 | Solid thermal energy storage system with multiloop interface |
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