CN211651339U - Novel energy storage equipment - Google Patents
Novel energy storage equipment Download PDFInfo
- Publication number
- CN211651339U CN211651339U CN201922468536.7U CN201922468536U CN211651339U CN 211651339 U CN211651339 U CN 211651339U CN 201922468536 U CN201922468536 U CN 201922468536U CN 211651339 U CN211651339 U CN 211651339U
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- China
- Prior art keywords
- heat
- phase change
- micro
- energy storage
- change material
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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.)
- Expired - Fee Related
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- 238000004146 energy storage Methods 0.000 title claims abstract description 18
- 238000005338 heat storage Methods 0.000 claims abstract description 35
- 239000012782 phase change material Substances 0.000 claims abstract description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000000463 material Substances 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 5
- 239000003365 glass fiber Substances 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 3
- RSIJVJUOQBWMIM-UHFFFAOYSA-L sodium sulfate decahydrate Chemical compound O.O.O.O.O.O.O.O.O.O.[Na+].[Na+].[O-]S([O-])(=O)=O RSIJVJUOQBWMIM-UHFFFAOYSA-L 0.000 claims description 3
- ZAPXGKVOIFARAC-UHFFFAOYSA-M sodium;acetate;tetrahydrate Chemical compound O.O.O.O.[Na+].CC([O-])=O ZAPXGKVOIFARAC-UHFFFAOYSA-M 0.000 claims description 2
- 238000004321 preservation Methods 0.000 abstract description 3
- 238000010438 heat treatment Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 4
- 239000002131 composite material Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000002918 waste heat Substances 0.000 description 2
- BDKLKNJTMLIAFE-UHFFFAOYSA-N 2-(3-fluorophenyl)-1,3-oxazole-4-carbaldehyde Chemical compound FC1=CC=CC(C=2OC=C(C=O)N=2)=C1 BDKLKNJTMLIAFE-UHFFFAOYSA-N 0.000 description 1
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 235000017281 sodium acetate Nutrition 0.000 description 1
- 229940087562 sodium acetate trihydrate Drugs 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
Landscapes
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The utility model provides a novel energy storage equipment, including water tank, heat preservation, inner bag, the little unit of heat-retaining, wherein the little unit of heat-retaining contains little unit shell, annular groove, inside cavity, sealed chock plug, phase change material. And a plurality of micro units are transversely filled in the heat-insulating water tank in a parallel combination mode. Phase change materials are filled in the micro units, and water flows through the micro units to exchange heat during heat exchange. The equipment is used for heating by clean energy and large-scale heat storage, and realizes efficient storage and reasonable utilization of energy.
Description
Technical Field
The utility model belongs to the technical field of energy storage and energy-conservation, especially, relate to a novel energy storage equipment.
Background
At present, the system is difficult to completely adapt to new potential requirements due to the facts that the power system in China is lack of flexibility in adjustment, the power grid scheduling operation mode is relatively rigid and the like, the problems of relatively serious wind abandoning, light abandoning and water abandoning occur in part of regions, and the contradiction between regional power utilization and heat utilization is prominent. In order to guarantee the safe supply of electric power and the demand of civil heat, the adjustment capacity and the operation efficiency of an electric power system need to be improved, multiple measures are measured from a load side, a power supply side and a power grid, the flexibility and the adaptability of the system are enhanced, the problem of new energy consumption is solved, and the green development is promoted. Due to the ubiquitous periodic fluctuation of time of renewable energy sources, the influence is caused to power grid dispatching and user flexible energy utilization, and the problem can be solved by a heat storage technology. The electric energy is stored in the peak period of power generation, and the requirement of using the energy all day or all year around is met.
The prior art mainly comprises two types, one type is that heat storage units are utilized, phase change materials are arranged in the heat storage units, a plurality of heat storage units are combined and arranged in a water tank, and heat exchange is completed through the flow of water outside the heat storage units; the other is to form a heat storage body, a heat exchange pipeline and a phase change material are arranged in the heat storage body, and heat storage and taking are completed through water circulating in the pipeline.
The problems of high cost, low efficiency and short service life of the prior art and products generally exist, and the single structure causes difficulty in replacing components and parts and easily causes uneven heat exchange.
Disclosure of Invention
The utility model aims at providing a middle and low temperature heat-retaining equipment, heat output steady high-efficient, maintain convenient in order to overcome above-mentioned prior art problem and provide, can combine to abandon wind, abandon light and generate electricity the surplus with high, carry out high-efficient, the economic storage of energy.
The heat source side can utilize the super power generation amount and the surplus energy (waste heat and the like) of the power station, the operation cost is reduced, the operation working condition of the equipment is stabilized, and the income is increased.
Meanwhile, the novel energy storage equipment effectively solves the problems of large-scale heat storage, low heat exchange efficiency, complex maintenance and the like.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a novel energy storage equipment, includes water tank, heat preservation, inner bag, the little unit of heat-retaining, wherein the little unit of heat-retaining contains little unit shell, annular groove, inside cavity, sealed chock plug, phase change material. And a plurality of micro units are transversely filled in the heat-insulating water tank in a parallel combination mode.
Preferably, the heat storage micro-unit shell is a cylindrical body, the diameter range is 50-100 mm, and the pipe wall thickness is 1.5-2.5 mm.
Preferably, the heat storage micro-unit shell is externally processed by an annular corrugated groove, and the depth of the groove is 0.2-0.3 mm.
Preferably, the heat storage micro-unit shell is made of one of glass fiber PPR and U-PVC materials.
Preferably, the heat exchange form of the heat storage micro unit is external heat exchange, namely radial water flows through the outer part of the micro unit shell and exchanges heat with the internal phase change material through the pipe wall.
Preferably, the phase change material is a medium-low temperature phase change material, the phase change temperature is-10-60 ℃, and the phase change material is one of sodium sulfate decahydrate and sodium acetate trihydrate hydrate systems.
Preferably, the heat storage micro-units are combined in a transverse parallel connection mode in multiple rows.
Preferably, the heat storage micro-unit sealing plug head is in the form of an inner plug and a threaded plug cap.
Furthermore, the utility model discloses preferred scheme can also produce following technological effect:
(1) the micro-unit shells are connected in parallel, if local fracture exists, the use of other micro-units is not influenced, and the replacement can be rapidly completed after individual micro-units are damaged;
(2) an expansion cavity is reserved in the micro unit, 10-20% of the whole inner cavity of the station is formed, so that the phase change material can expand freely, and the micro unit is prevented from being damaged by stress generated by expansion.
(3) The micro-unit adopts a cylindrical design, and the shell is uniformly provided with the annular grooves, so that the heat exchange surface area is effectively increased, the disturbance of a heat exchange medium is increased, and the heat exchange effect is improved.
Description of the drawings:
fig. 1 is a schematic diagram of a micro-unit of a novel energy storage device.
Fig. 2 is a schematic diagram of a micro-unit and a water tank of the novel energy storage device.
The heat storage micro unit comprises (1) a micro unit shell, (2) a sealing plug, (3) a phase change material, (4) an annular groove, (5) a water tank, (6) a heat insulation layer, (7) an inner container, (8) a heat storage micro unit and (9) an inlet pipe and an outlet pipe.
Detailed Description
Example 1
The present invention will be described in detail with reference to the accompanying drawings:
as shown in fig. 1 and 2, the heat storage micro unit comprises a water tank 5, a heat insulation layer 6, an inner container 7 and a heat storage micro unit 8, wherein the heat storage micro unit 8 comprises a micro unit shell 1, a sealing plug 2, a phase change material 3 and an annular groove 4. And a plurality of micro units are filled in the heat-insulating water tank 5 in a parallel combination mode. The phase change material 3 is filled in the micro unit 8, and water flows through the micro unit 8 to exchange heat during heat exchange.
Example one
This embodiment a novel energy storage equipment, water tank adopt 1.2mm galvanized sheet, and the heat preservation adopts density to be 40g/cm high pressure foaming polyurethane, and inner bag 7 adopts 3mm carbon steel material.
The heat storage micro unit adopts a cylindrical structure, the diameter of the heat storage micro unit is 55mm, and the thickness of the heat storage micro unit is 2.5 mm; the material is a glass fiber ppr tube, and the phase change material 3 is an inorganic composite phase change material with a phase change temperature point of 55 ℃; sodium acetate trihydrate system.
Example two
The heat storage micro unit adopts a cylindrical structure, and the diameter of the heat storage micro unit is 70 mm; the material is a pvc pipe, the wall thickness is 2mm, and the phase change material is an inorganic composite phase change material with a phase change temperature point of 8 ℃; sodium sulfate decahydrate system.
The working process is as follows:
a heat storage process: the heat source can be heating equipment or industrial waste heat and waste heat, a heat exchange working medium enters the inner container 7 from the equipment inlet 9, heat is transmitted to the phase-change material 3 from the outside through the wall of the micro-unit shell 1, and the phase-change material 3 absorbs heat. The phase state is changed from solid state to liquid state, when the phase-change material is completely melted and the temperature reaches the set temperature (higher than the phase-change temperature point), the heat storage process is finished;
an exothermic process: the low-temperature heat exchange working medium enters the inner container 7 through the equipment inlet 9, the phase change material 3 in the micro unit 8 transfers heat to the low-temperature heat exchange working medium (water) outside the pipe through the pipe wall, the heat stored by the phase change material 3 is absorbed through the pipe wall, the temperature of the heat exchange working medium rises, the phase change material is changed from a liquid state to a solid state until the temperature is reduced to a set temperature, and heat release is finished.
The above description is only exemplary of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A novel energy storage equipment which characterized in that: the heat storage micro unit comprises a micro unit shell, an annular groove, an internal cavity, a sealing plug head and a phase change material, wherein the micro unit is filled in the heat insulation water tank in a parallel combination mode, and the phase change material is filled in the micro unit.
2. The new energy storage apparatus as claimed in claim 1, wherein: the heat storage micro-unit shell is a cylindrical body, the diameter range is 50-100 mm, and the thickness of the pipe wall is 1.5-2.5 mm.
3. The new energy storage apparatus as claimed in claim 1, wherein: the heat storage micro unit shell is externally processed by adopting an annular corrugated groove, and the depth of the groove is 0.2-0.3 mm.
4. The new energy storage apparatus as claimed in claim 1, wherein: the heat storage micro-unit shell is made of one of glass fiber PPR and PP materials.
5. The new energy storage apparatus as claimed in claim 1, wherein: the heat storage micro unit heat exchange mode is external heat exchange, namely radial water flows through the outer part of the micro unit shell to exchange heat with the internal phase change material through the pipe wall.
6. The new energy storage apparatus as claimed in claim 1, wherein: the phase change material is a medium-low temperature phase change material, the phase change temperature is-10-60 ℃, and the phase change material is one of sodium sulfate decahydrate and sodium acetate trihydrate hydrate systems.
7. The new energy storage apparatus as claimed in claim 1, wherein: the heat storage micro-units are combined in a mode of being connected in parallel in multiple transverse rows.
8. The new energy storage apparatus as claimed in claim 1, wherein: the heat storage micro-unit sealing plug head adopts a form of an inner plug and a threaded plug cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922468536.7U CN211651339U (en) | 2019-12-31 | 2019-12-31 | Novel energy storage equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922468536.7U CN211651339U (en) | 2019-12-31 | 2019-12-31 | Novel energy storage equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211651339U true CN211651339U (en) | 2020-10-09 |
Family
ID=72701946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922468536.7U Expired - Fee Related CN211651339U (en) | 2019-12-31 | 2019-12-31 | Novel energy storage equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211651339U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114396820A (en) * | 2022-01-20 | 2022-04-26 | 北京英沣特能源技术有限公司 | Phase-change energy storage and release device and method based on local excitation |
-
2019
- 2019-12-31 CN CN201922468536.7U patent/CN211651339U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114396820A (en) * | 2022-01-20 | 2022-04-26 | 北京英沣特能源技术有限公司 | Phase-change energy storage and release device and method based on local excitation |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201009 |