CN215447552U - Circulating air structure of solid heat storage equipment - Google Patents
Circulating air structure of solid heat storage equipment Download PDFInfo
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- CN215447552U CN215447552U CN202120190965.7U CN202120190965U CN215447552U CN 215447552 U CN215447552 U CN 215447552U CN 202120190965 U CN202120190965 U CN 202120190965U CN 215447552 U CN215447552 U CN 215447552U
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- 238000005338 heat storage Methods 0.000 title claims abstract description 60
- 239000007787 solid Substances 0.000 title claims abstract description 34
- 238000009423 ventilation Methods 0.000 claims abstract description 47
- 239000011232 storage material Substances 0.000 claims abstract description 27
- 238000005192 partition Methods 0.000 claims description 10
- 238000004321 preservation Methods 0.000 claims description 9
- 238000009825 accumulation Methods 0.000 claims 3
- 239000000463 material Substances 0.000 claims 3
- 238000009413 insulation Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 4
- 230000005611 electricity Effects 0.000 description 4
- 238000005485 electric heating Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
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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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Abstract
The utility model discloses a circulating air structure of solid heat storage equipment, which comprises a heat insulation shell and a heat storage material layer, wherein the heat storage material layer is arranged in the heat insulation shell, an inner ventilation channel is arranged between the heat storage material layers, a cavity is formed between the heat insulation shell and the heat storage material layer, and a circulating air inlet device is arranged in the cavity; one side of the bottom of the cavity is provided with a cavity inlet, and the other side of the bottom of the cavity is provided with a cavity outlet; the circulating air inlet device comprises a ventilation main body, the lower end of the ventilation main body is an air inlet, the air inlet is connected with the cavity inlet, the side edge of the ventilation main body is provided with an air outlet, and the air outlet is connected with an inner ventilation channel between the heat storage material layer. The circulating air structure provided by the utility model can improve the uniformity of the flowing medium in the solid heat storage equipment, and also enables the temperature distribution to be uniform in the heat release process of each part of heat storage material, thereby improving the working efficiency of the solid heat storage equipment and reducing the difficulty of realizing accurate control by a control system.
Description
Technical Field
The utility model relates to a circulating air structure of solid heat storage equipment, and belongs to the technical field of solid heat storage.
Background
The electric heating solid heat storage equipment can convert and store off-peak electricity into heat energy, fully utilizes the stored heat energy in the peak electricity period, effectively relieves the electricity utilization pressure in the peak electricity period, and has very remarkable effect on peak clipping and valley filling of electric power. At present, in a solid energy storage hot air supply device, because the height of circulating air channels in a heat storage body is different, the uniformity of a flowing medium in a solid heat storage device is poor, the perfectness of the solid heat storage device is directly influenced, the heat efficiency of the solid heat storage device is reduced, and the difficulty in realizing the autonomous control of the solid heat storage device is increased.
SUMMERY OF THE UTILITY MODEL
The purpose is as follows: in order to overcome the defects in the prior art, the utility model provides the circulating air device for improving the air circulation uniformity in the solid heat storage equipment.
The technical scheme is as follows: in order to solve the technical problems, the technical scheme adopted by the utility model is as follows:
a circulating air structure of solid heat storage equipment comprises a heat insulation shell and heat storage material layers, wherein the heat storage material layers are arranged in the heat insulation shell, an inner ventilation channel is arranged between the heat storage material layers,
a cavity is formed between the heat-insulating shell and the heat storage material layer, and a circulating air inlet device is arranged in the cavity; one side of the bottom of the cavity is provided with a cavity inlet, and the other side of the bottom of the cavity is provided with a cavity outlet;
the circulating air inlet device comprises a ventilation main body, the lower end of the ventilation main body is an air inlet, the air inlet is connected with the cavity inlet, the side of the ventilation main body is provided with an air outlet, and the air outlet is connected with an inner ventilation channel between the heat storage material layer.
Further, the air outlet is in an outward expansion shape.
Further, set up a plurality of vertical separators and a plurality of cross slab in the air outlet, the perpendicular curb plate and the vertical separator at air outlet both ends all transversely lean out.
Furthermore, a transverse partition plate and a longitudinal partition plate are arranged in the ventilation main body, a plurality of circulation air channels with sections being all-purpose are separated in the ventilation main body, and the circulation air channels are mutually independent.
Furthermore, the ventilation main body is connected with the ventilation channel at the leftmost side and the inner ventilation channel at the uppermost layer of the heat storage material layer.
Further, the lateral width of the circulation duct gradually narrows from left to right.
Further, a heat exchange ventilation channel is arranged below the heat preservation shell and is communicated with the cavity through a cavity inlet and a cavity outlet; one side of the heat exchange ventilation duct is connected with a fan.
Further, a heat exchanger is arranged in the heat exchange air duct.
Has the advantages that: the circulating air inlet device in the circulating air structure of the solid heat storage equipment provided by the utility model averagely divides the circulating air into a plurality of equal parts from the air inlet, and the equal parts enter the inner ventilation channel in the heat storage material layer through the independent circulating air channels, so that the problem that the existing circulating air is not uniformly distributed on the height of the heat storage channel is solved, and the phenomenon that the circulating air is not uniformly distributed transversely is also solved. The uniformity of the flowing medium in the solid heat storage equipment can be improved, the temperature distribution in the heat release process of each part of the heat storage material is uniform, the integrity of the solid heat storage equipment is improved, the working efficiency of the solid heat storage equipment is improved, and the difficulty of realizing accurate control by a control system is reduced.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the whole structure of the circulating air intake device;
FIG. 3 is a schematic view (viewing angle one) of the main ventilation structure of the circulating air intake device;
FIG. 4 is a schematic view (viewing angle two) of the main ventilation structure of the circulating air intake device;
fig. 5 is a schematic view of an air outlet structure of the circulating air inlet device.
Reference numerals: 1. the heat-preservation air conditioner comprises a heat-preservation shell, 2 parts of a heat-storage material layer, 3 parts of a circulating air inlet device, 31 parts of a ventilation main body, 32 parts of an air outlet, 321 parts of vertical side plates at two ends of the air outlet, 322 parts of a longitudinal partition plate inside the air outlet, 33 parts of a circulation air duct, 4 parts of an internal ventilation duct, 5 parts of a cavity inlet, 6 parts of a cavity outlet, 7 parts of a fan, 8 parts of a heat exchange ventilation duct and 9 parts of a heat exchanger.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
In the description of the present application, it should be noted that the terms "upper", "lower", "left", "right", "lateral", "longitudinal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships where products of the present application are conventionally placed in use, and are used only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present application.
As shown in fig. 1, the circulating air structure of the solid heat storage device is used for improving the air circulation uniformity in the solid heat storage device, the solid heat storage device comprises a heat preservation shell 1 and heat storage material layers 2, the heat storage material layers 2 are arranged in the heat preservation shell 1, and an inner ventilation channel 4 is arranged between the heat storage material layers 2. A cavity is formed between the heat-insulating shell 1 and the heat storage material layer 2, a cavity inlet 5 is formed in one side of the bottom of the cavity, and a cavity outlet 6 is formed in the other side of the bottom of the cavity; the cavity is internally provided with a circulating air inlet device 3.
Referring to fig. 2, the circulating air inlet device 3 includes a ventilation main body 31, an air inlet is formed at the lower end of the ventilation main body 31, the air inlet is connected with the cavity inlet 5, an air outlet 32 is formed at the side of the ventilation main body 31, and the air outlet 32 is connected with an internal ventilation channel 4 between the heat storage material layers 2. As shown in fig. 3 and 4, a transverse partition and a longitudinal partition are provided in the ventilation main body 31, a plurality of circulation air ducts 33 having a cross section of a predetermined value are partitioned in the ventilation main body 31, and the circulation air ducts 33 are independent from each other. The lateral width of the air flow passage 33 gradually narrows from left to right, and the leftmost air flow passage 33 of the ventilation main body 31 is connected to the uppermost internal air passage 4 of the thermal storage material layer 2.
The air outlet 32 is in an outward-expanding shape, as shown in fig. 2 and 5, a plurality of longitudinal partition plates 322 and a plurality of transverse partition plates are arranged in the air outlet 32, and the vertical side plates 321 at two ends of the air outlet 32 and the inner longitudinal partition plates 322 are both transversely inclined outwards to form an outward-expanding shape, so that more circulating air enters the inner ventilation duct 4.
The heat-exchange ventilating duct 8 is arranged below the heat-preservation shell 1, and the heat-exchange ventilating duct 8 is communicated with the cavity through the cavity inlet 5 and the cavity outlet 6. One side of the heat exchange ventilation duct 8 is connected with a fan 7; a heat exchanger 9 is arranged in the heat exchange air duct 8.
The working process of the circulating air structure provided by the utility model is as follows:
at the time of the power consumption trough, start solid heat storage equipment, open the electric heating pipe in the heat storage material layer promptly, in the solid heat storage material is directly stored to the conversion of electric energy heat energy, at the time of the power consumption peak, outwards release the heat energy of storage, supply with the heat user. Firstly, the fan 7 is started to enable circulating air in the solid heat storage device to flow, the started low-temperature air enters the ventilation main body 31 of the circulating air inlet device 3 from the cavity inlet 5, the circulating air is uniformly distributed into the circulation air channels 33 and flows into the inner ventilation channel 4 through the air outlet 32, the circulating air and the heat storage material layer 2 uniformly exchange heat in the inner ventilation channel 4, and the air temperature is increased. The heated circulating air flows out through the cavity outlet 6, enters the heat exchange ventilating duct 8 to exchange heat with the refrigerant of the heat exchanger 9, and then brings the heat in the high-temperature circulating air to a heat utilization terminal; the low-temperature air after heat exchange by the heat exchanger 9 enters the ventilation main body 31 of the circulating air inlet device 3 again through the cavity inlet 5 to carry out the circulating process.
The above description is only of the preferred embodiments of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the utility model and these are intended to be within the scope of the utility model.
Claims (8)
1. The utility model provides a circulated air structure of solid heat storage equipment, solid heat storage equipment includes heat preservation casing (1), heat accumulation material layer (2), and establish in heat preservation casing (1) heat accumulation material layer (2), air duct (4), its characterized in that have between heat accumulation material layer (2):
a cavity is formed between the heat-insulating shell (1) and the heat storage material layer (2), and a circulating air inlet device (3) is arranged in the cavity; one side of the bottom of the cavity is provided with a cavity inlet (5), and the other side of the bottom of the cavity is provided with a cavity outlet (6);
the circulating air inlet device (3) comprises a ventilation main body (31), the lower end of the ventilation main body (31) is an air inlet, the air inlet is connected with a cavity inlet (5), an air outlet (32) is arranged on the side edge of the ventilation main body (31), and an inner ventilation channel (4) between the air outlet (32) and the heat storage material layer (2) is connected.
2. The circulating air structure of the solid heat storage device according to claim 1, characterized in that: the air outlet (32) is in an outward expansion shape.
3. The circulating air structure of the solid heat storage device according to claim 2, characterized in that: set up a plurality of vertical separators (322) and a plurality of cross slab in air outlet (32), perpendicular curb plate (321) and the inside vertical separator (322) at air outlet (32) both ends all transversely outwards incline.
4. The circulating air structure of the solid heat storage device according to claim 1, characterized in that: the ventilating main body (31) is internally provided with a transverse partition plate and a longitudinal partition plate, a plurality of circulating air channels (33) with sections being all the Gamma are separated in the ventilating main body (31), and the circulating air channels (33) are mutually independent.
5. The circulating air structure of the solid heat storage device according to claim 4, characterized in that: the ventilation main body (31) is connected with the leftmost circulation air channel (33) of the heat storage material layer (2) through the inner ventilation channel (4) on the uppermost layer.
6. The circulating air structure of the solid heat storage device according to claim 4, characterized in that: the transverse width of the ventilation duct (33) gradually narrows from left to right.
7. The circulating air structure of the solid heat storage device according to claim 1, characterized in that: a heat exchange ventilation duct (8) is arranged below the heat preservation shell (1), and the heat exchange ventilation duct (8) is communicated with the cavity through a cavity inlet (5) and a cavity outlet (6); one side of the heat exchange ventilation duct (8) is connected with a fan (7).
8. The circulating air structure of the solid heat storage device according to claim 7, characterized in that: and a heat exchanger (9) is arranged in the heat exchange ventilating duct (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120190965.7U CN215447552U (en) | 2021-01-25 | 2021-01-25 | Circulating air structure of solid heat storage equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120190965.7U CN215447552U (en) | 2021-01-25 | 2021-01-25 | Circulating air structure of solid heat storage equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215447552U true CN215447552U (en) | 2022-01-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120190965.7U Active CN215447552U (en) | 2021-01-25 | 2021-01-25 | Circulating air structure of solid heat storage equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114993085A (en) * | 2022-05-25 | 2022-09-02 | 西安交通大学 | Solid heat storage energy storage circulating device |
-
2021
- 2021-01-25 CN CN202120190965.7U patent/CN215447552U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114993085A (en) * | 2022-05-25 | 2022-09-02 | 西安交通大学 | Solid heat storage energy storage circulating device |
| CN114993085B (en) * | 2022-05-25 | 2023-08-08 | 西安交通大学 | A solid heat storage energy storage circulation device |
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