CN220818613U - Heat accumulating and temperature regulating device - Google Patents
Heat accumulating and temperature regulating device Download PDFInfo
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- CN220818613U CN220818613U CN202322689534.7U CN202322689534U CN220818613U CN 220818613 U CN220818613 U CN 220818613U CN 202322689534 U CN202322689534 U CN 202322689534U CN 220818613 U CN220818613 U CN 220818613U
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- heat
- temperature
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- flue gas
- thermal storage
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- 230000001105 regulatory effect Effects 0.000 title abstract description 8
- 238000005338 heat storage Methods 0.000 claims abstract description 54
- 238000001816 cooling Methods 0.000 claims abstract description 49
- 239000011449 brick Substances 0.000 claims abstract description 43
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 38
- 239000003546 flue gas Substances 0.000 claims abstract description 38
- 230000007246 mechanism Effects 0.000 claims abstract description 20
- 238000003860 storage Methods 0.000 claims abstract description 18
- 238000009413 insulation Methods 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- 238000009834 vaporization Methods 0.000 claims description 3
- 230000008016 vaporization Effects 0.000 claims description 3
- 230000003750 conditioning effect Effects 0.000 claims 9
- 239000000779 smoke Substances 0.000 abstract description 10
- 238000004321 preservation Methods 0.000 description 7
- 239000002918 waste heat Substances 0.000 description 5
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 238000003723 Smelting Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000011232 storage material Substances 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Abstract
The utility model discloses a heat-storage temperature-regulating device, which comprises: a hollow shell, wherein an insulation layer is arranged on the inner wall of the shell; the shell is provided with an air inlet and an air outlet, and the shell is internally provided with the following components in sequence along the flow direction of the flue gas: a cooling support, a bearing mechanism, and a thermal storage unit; the supporting mechanism is used for dividing the section of the shell into porous channels, and the heat storage unit comprises a plurality of heat storage bricks; the heat accumulating bricks are matched to form a heat exchanging channel communicated with the porous channel; and after the flue gas enters the shell from the air inlet, heat exchange is performed between the flue gas and the heat storage unit, and finally the flue gas is discharged from the air outlet, wherein the temperature difference between the temperature of the flue gas discharged from the air outlet and the temperature of the heat storage brick is within a preset temperature. The working temperature range of the heat storage temperature regulating device provided by the utility model is not limited, and the output temperature of the smoke can be in a stable range.
Description
Technical Field
The utility model relates to the technical field of flue gas waste heat recovery and utilization of an electric furnace, in particular to a heat storage and temperature adjustment device.
Background
The temperature fluctuation of the flue gas of the electric furnace is relatively large during smelting, and the flue gas periodically changes within the range of 1600-200 ℃. The temperature change range is large and the frequency is frequent, so that the heat exchange part of the electric furnace flue gas waste heat boiler is fatigued and damaged due to alternating thermal stress, cracks and damages are generated, and the service life of the boiler part is influenced. Moreover, the unstable smoke temperature makes the pressure and temperature of the steam not easy to maintain in a stable section, and affects the quality and the service efficiency of the steam.
In one type of prior art, a heat storage technology using molten salt capable of generating solid-liquid phase transition and liquid heat conduction oil as a heat storage medium can be disclosed. The technology is greatly influenced by the physical properties of the heat storage material, and the used temperature range has certain limitation, for example, the common working temperature range of molten salt is 300-1000 ℃, the working range of heat conduction oil is 100-400 ℃, and if the working temperature range exceeds the common use temperature range of molten salt and heat conduction oil, auxiliary heating or cooling means are needed to ensure the use safety.
For this reason, there is a need to propose a thermal storage and temperature regulating device that solves at least one of the above mentioned problems.
Disclosure of utility model
Aiming at the defects existing in the prior art, the embodiment of the utility model provides the heat storage and temperature adjustment device, the working temperature interval is not limited, and the smoke output temperature can be in a relatively stable interval.
The specific technical scheme of the embodiment of the utility model is as follows:
A thermal storage attemperator, the thermal storage attemperator comprising: a hollow shell, wherein an insulation layer is arranged on the inner wall of the shell; the shell is provided with an air inlet and an air outlet, and the shell is internally provided with the following components in sequence along the flow direction of the flue gas: a cooling support, a bearing mechanism, and a thermal storage unit; the supporting mechanism is used for dividing the section of the shell into porous channels, and the heat storage unit comprises a plurality of heat storage bricks; the heat accumulating bricks are matched to form a heat exchanging channel communicated with the porous channel; and after the flue gas enters the shell from the air inlet, heat exchange is performed between the flue gas and the heat storage unit, and finally the flue gas is discharged from the air outlet, wherein the temperature difference between the temperature of the flue gas discharged from the air outlet and the temperature of the heat storage brick is within a preset temperature.
In a preferred embodiment, the housing has opposed top and bottom walls, the air inlet being provided on the bottom wall of the housing and the air outlet being provided on the top wall of the housing.
In a preferred embodiment, the housing has opposed top and bottom walls, the air inlet being provided on the top wall of the housing and the air outlet being provided on the bottom wall of the housing.
In a preferred embodiment, the cooling support comprises a plurality of sets of hollow tubes, the plurality of sets of tubes being reciprocally disposed in a horizontal plane.
In a preferred embodiment, the cooling support comprises a plurality of straight pipes and bends for connecting two adjacent straight pipes.
In a preferred embodiment, the cooling support has a water inlet and a water outlet, the water inlet and the water outlet being located outside the housing, the two ends of the straight tube and the elbow being located outside the housing.
In a preferred embodiment, two adjacent cooling struts are arranged at a distance from each other, and the bearing means is arranged in the gap between two adjacent cooling struts.
In a preferred embodiment, the support means comprises a plurality of spliced flow equalization block bricks, the top surfaces of which form a plane for arranging the heat storage bricks.
In a preferred embodiment, the heat storage bricks are hollow cylinder-shaped as a whole, the heat storage bricks are provided with a top surface and a bottom surface which are opposite along the extension direction of the cylinder-shaped, the top surface is provided with a first limit part, the bottom surface is provided with a second limit part, and the first limit parts and the second limit parts of two adjacent heat storage bricks are matched to form a limit mechanism along the height direction.
In a preferred embodiment, the first limiting portion includes a protrusion, and the second limiting portion includes a clamping groove matching the protrusion.
In a preferred embodiment, the cooling support comprises any one of the following forms: a water-cooled cooling support, a vaporization cooling support.
The technical scheme of the utility model has the following remarkable beneficial effects:
The heat storage and temperature adjustment device provided by the embodiment of the application is an independent heat exchange module, and can be assembled and disassembled integrally, and the inside of a shell of the heat storage and temperature adjustment device is sequentially provided with: the cooling support piece, the supporting mechanism and the heat storage unit adopt convection heat exchange, the temperature of flue gas entering the waste heat boiler can be in a stable temperature range through the arrangement, the impact of temperature alternation on the boiler is reduced, and meanwhile, controllable temperature is provided for steam superheating.
In the whole, when in use, the cold and hot alternating flue gas is introduced into the heat storage temperature regulating device, so that the link of heat transfer is reduced, the heat utilization efficiency is high, and meanwhile, the simple system structure ensures that the thermal inertia of the solid heat storage device is small, the system is flexible to regulate and is convenient to control.
Specific embodiments of the utility model are disclosed in detail below with reference to the following description and drawings, indicating the manner in which the principles of the utility model may be employed. It should be understood that the embodiments of the utility model are not limited in scope thereby. The embodiments of the utility model include many variations, modifications and equivalents within the spirit and scope of the appended claims. Features that are described and/or illustrated with respect to one embodiment may be used in the same way or in a similar way in one or more other embodiments in combination with or instead of the features of the other embodiments.
Drawings
The drawings described herein are for illustration purposes only and are not intended to limit the scope of the present disclosure in any way. In addition, the shapes, proportional sizes, and the like of the respective components in the drawings are merely illustrative for aiding in understanding the present utility model, and are not particularly limited. Those skilled in the art with access to the teachings of the present utility model can select a variety of possible shapes and scale sizes to practice the present utility model as the case may be.
Fig. 1 is a schematic structural diagram of a heat-accumulating temperature-regulating device according to an embodiment of the present application;
Fig. 2 is a cross-sectional view of a heat storage and temperature adjustment device according to an embodiment of the present application;
fig. 3 is a schematic layout view of a cooling support of a heat-accumulating temperature-regulating device according to an embodiment of the present application;
Fig. 4 is a schematic layout diagram of a flow equalizing block of a heat accumulating and temperature regulating device according to an embodiment of the present application;
fig. 5 is a schematic layout diagram of a heat storage brick of a heat storage and temperature adjustment device according to an embodiment of the present application.
The reference numerals of the application:
1. a housing;
11. A top wall;
12. A bottom wall;
2. a heat preservation layer;
3. An air outlet;
4. An air inlet;
5. A heat accumulating brick;
6. A cooling support;
61. A water inlet;
62. a water outlet;
7. And (5) blocking the bricks in a flow equalization manner.
Detailed Description
The technical solution of the present utility model will be described in detail below with reference to the attached drawings and specific embodiments, it should be understood that these embodiments are only for illustrating the present utility model and not for limiting the scope of the present utility model, and various modifications of equivalent forms of the present utility model will fall within the scope of the appended claims after reading the present utility model.
It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
The heat accumulation temperature adjusting device adopts convection heat exchange, is suitable for flue gas waste heat recovery of an electric furnace, and can balance the temperature fluctuation range of flue gas caused by process smelting in the production of the electric furnace, so that the output temperature of the flue gas is in a relatively stable interval.
The utility model provides a heat storage temperature regulating device, which is free from limitation of working temperature interval and can ensure that the output temperature of smoke is in a relatively stable interval.
Referring to fig. 1 to 2 in combination, in an embodiment of the present application, a heat-storage temperature-adjusting device is provided, which may include: a hollow shell 1, wherein an insulation layer 2 is arranged on the inner wall of the shell 1; the shell 1 is provided with an air inlet 4 and an air outlet 3, and the shell 1 is internally provided with the following components in sequence along the flow direction of the flue gas: a cooling support 6, a bearing mechanism and a heat storage unit; the supporting mechanism is used for dividing the section of the shell 1 into porous channels, and the heat storage unit comprises a plurality of heat storage bricks 5; the heat accumulating bricks 5 are matched to form a heat exchanging channel communicated with the porous channel; after entering the shell 1 from the air inlet 4, the flue gas exchanges heat with the heat storage unit, and finally is discharged from the air outlet 3, and the temperature difference between the temperature of the flue gas discharged from the air outlet 3 and the temperature of the heat storage bricks 5 is within a preset temperature. Specifically, the temperature difference between the temperature of the flue gas discharged from the air outlet 3 and the temperature of the heat accumulating brick 5 is within 50 ℃.
In an embodiment of the present application, the heat storage and temperature adjustment device mainly includes: the heat-insulating layer 2, the cooling support 6, the bearing mechanism and the heat storage unit are arranged in the shell 1.
The housing 1 may be a hollow cavity structure, and the housing 1 may be a rectangular box structure, or may be any other regular or irregular shape, which is not particularly limited herein. In the embodiments of the application and in the drawings, the housing 1 is mainly exemplified by a hollow box-type structure.
The shell 1 is provided with an air inlet 4 and an air outlet 3. The housing 1 has opposed top and bottom walls 11, 12 and side walls enclosed between the top and bottom walls 11, 12. Wherein the air inlet 4 may be provided on the bottom wall 12 of the housing 1 and the air outlet 3 may be provided on the top wall 11 of the housing 1. Or the air inlet 4 is arranged on the top wall 11 of the housing 1, and the air outlet 3 is arranged on the bottom wall 12 of the housing 1. The air inlet 4 and the air outlet 3 are integrally arranged on two opposite side walls of the shell 1 and used for prolonging the heat exchange flow of the flue gas and improving the heat exchange effect of the flue gas and the heat storage bricks 5.
Of course, in some embodiments, it is not excluded that the air inlet 4 and the air outlet 3 are provided on the side wall, and that the air inlet 4 and the air outlet 3 may be arranged offset in the height direction when the air inlet 4 and the air outlet 3 are provided on the side wall.
The wall surface of the housing 1, which contacts the flue gas, may be made of a refractory material. The inner wall of the shell 1 is provided with a heat preservation layer 2, and the heat preservation layer 2 can be made of a heat preservation material with a certain thickness. Specifically, the housing 1 may be closed with a steel plate. The heat preservation layer 2 can be a heat preservation furnace wall or a water cooling membrane wall structure. The specific structure, materials and the like of the heat preservation layer 2 can be selected according to practical requirements, and the part contacted with the high-temperature flue gas can meet the high-temperature resistant requirement in principle.
The cooling support 6 can be arranged at the bottom of the shell 1, and in particular, the cooling support 6 can be in the form of a water-cooled beam, so that the strength of the supporting mechanism under the condition of high-temperature flue gas is ensured, and the safety of equipment is ensured.
In particular, the cooling support 6 may be cooled by water or by evaporation. In particular, the cooling support 6 may comprise any one of the following forms: a water-cooling type cooling support 6, and a vaporization cooling type cooling support 6. When the cooling support 6 is cooled by water (namely, the cooling support 6 is cooled by water), the cooling support 6 can be connected with a normal-temperature water source; when the cooling support 6 is cooled by evaporation (i.e. is an evaporation cooled cooling support 6), it can be connected to a boiler.
In one embodiment, as shown in fig. 3, the cooling support 6 comprises a plurality of hollow sets of tubes, which are reciprocally disposed on a plane.
In this embodiment, the cooling support 6 may include a plurality of groups of pipes, and the pipes may be reciprocally disposed on a plane, so as to increase a heat exchange area between the cooling support 6 and the flue gas, and further improve a heat exchange effect. In particular, the cooling support 6 may comprise a plurality of straight pipes and bends for connecting two adjacent straight pipes.
Further, the cooling support 6 has a water inlet 61 and a water outlet 62, the water inlet 61 and the water outlet 62 being located outside the housing 1, and both ends of the straight pipe and the elbow being located outside the housing 1.
During installation, the position where the straight pipe is connected with the elbow can be located in the shell 1 and the heat insulation layer 2, and sealing elements and reliability of the connecting position can be guaranteed.
In one embodiment, two adjacent cooling support members 6 are arranged with a certain interval therebetween, and the bearing mechanism is provided in the gap between the two adjacent cooling support members 6.
As shown in fig. 4, the supporting mechanism comprises a plurality of spliced flow equalizing clamping blocks 7, and the top surfaces of the flow equalizing clamping blocks 7 form a plane for arranging the heat accumulating bricks 5. The plane is used as the installation plane of the cylindrical bricks, and the plurality of clamping bricks divide the plane into porous channels, so that the functions of flow equalization and support are achieved.
Above the cooling support 6, support means are arranged in a layered distribution. The supporting mechanism comprises a plurality of spliced flow equalizing clamping blocks 7, and the top surfaces of the flow equalizing clamping blocks 7 form a plane for arranging the heat accumulating bricks 5. And the flow equalizing clamping brick 7 is used for connecting gaps among the straight pipes in the cooling support piece 6.
As shown in fig. 5, the heat storage bricks 5 are hollow cylinder-shaped as a whole, the heat storage bricks 5 have opposite top surfaces and bottom surfaces along the extending direction of the cylinder-shaped, the top surfaces are provided with first limit parts, the bottom surfaces are provided with second limit parts, and the first limit parts and the second limit parts of two adjacent heat storage bricks 5 are matched to form a limit mechanism along the height direction.
In this embodiment, the first limiting portion includes a protrusion, and the second limiting portion includes a clamping groove matched with the protrusion. And convex-concave staggered clamping grooves are arranged between the upper and lower adjacent cylindrical heat accumulating bricks 5, so that limit and fastening are realized. Of course, the specific structures of the first limiting portion and the second limiting portion are not limited to the above examples, and other modifications are possible by those skilled in the art in light of the technical spirit of the present application, but all the functions and effects implemented by the first limiting portion and the second limiting portion are included in the protection scope of the present application as long as they are the same as or similar to the present application.
The working process of the heat storage and temperature adjustment device provided by the embodiment of the application is as follows:
when the hot flue gas is introduced, the hot flue gas with the temperature of 500-2000 ℃ enters from the air inlet 4, continuously exchanges heat with the cylindrical heat storage bricks 5 after passing through the flow equalization clamping bricks 7, and is discharged through the air outlet 3 after the temperature of the gas is reduced by 10-500 ℃. After the smoke is continuously introduced for 1-20 minutes, the preferable time is 5-20 minutes, and the temperature difference between the temperature of the cylindrical heat storage bricks 5 and the temperature of the hot smoke flowing out of the air outlet 3 is not more than 50 ℃.
When cold smoke is introduced, cold smoke with the temperature of-20-200 ℃ enters from the air inlet 4, continuously exchanges heat with the cylindrical heat storage bricks 5 after passing through the flow equalization clamping bricks 7, and is discharged through the air outlet 3 after the temperature of the gas rises by 10-500 ℃. After the smoke is continuously introduced for 1-20 minutes, the preferable time is 5-20 minutes, and the temperature difference between the temperature of the cylindrical heat storage bricks 5 and the temperature of the hot smoke flowing out of the air outlet 3 is not more than 50 ℃.
The heat storage and temperature adjustment device provided in the embodiment of the application is an independent heat exchange module, and can be assembled and disassembled integrally, and the inside of a shell 1 of the heat storage and temperature adjustment device is sequentially provided with: the cooling support piece 6, the supporting mechanism and the heat storage unit adopt convection heat exchange, so that the temperature of flue gas entering the waste heat boiler can be in a stable temperature range through the arrangement, the impact of temperature alternation on the boiler is reduced, and meanwhile, controllable temperature is provided for steam superheating.
In the whole, when in use, the cold and hot alternating flue gas is introduced into the heat storage temperature regulating device, so that the link of heat transfer is reduced, the heat utilization efficiency is high, and meanwhile, the simple system structure ensures that the thermal inertia of the solid heat storage device is small, the system is flexible to regulate and is convenient to control.
It should be noted that, in the description of the present application, the terms "first," "second," and the like are used for descriptive purposes only and to distinguish between similar objects, and there is no order of preference between them, nor should they be construed as indicating or implying relative importance. Furthermore, in the description of the present application, unless otherwise indicated, the meaning of "a plurality" is two or more.
The foregoing embodiments in the present specification are all described in a progressive manner, and the same and similar parts of the embodiments are mutually referred to, and each embodiment is mainly described in a different manner from other embodiments.
The foregoing is merely a few embodiments of the present utility model, and the embodiments disclosed in the present utility model are merely examples which are used for the convenience of understanding the present utility model and are not intended to limit the present utility model. Any person skilled in the art can make any modification and variation in form and detail of the embodiments without departing from the spirit and scope of the present disclosure, but the scope of the present disclosure is still subject to the scope of the appended claims.
Claims (11)
1. A thermal storage and temperature adjustment device, characterized in that the thermal storage and temperature adjustment device comprises:
A hollow shell, wherein an insulation layer is arranged on the inner wall of the shell; the shell is provided with an air inlet and an air outlet, and the shell is internally provided with the following components in sequence along the flow direction of the flue gas: a cooling support, a bearing mechanism, and a thermal storage unit; the supporting mechanism is used for dividing the section of the shell into porous channels, and the heat storage unit comprises a plurality of heat storage bricks; the heat accumulating bricks are matched to form a heat exchanging channel communicated with the porous channel;
And after the flue gas enters the shell from the air inlet, heat exchange is performed between the flue gas and the heat storage unit, and finally the flue gas is discharged from the air outlet, wherein the temperature difference between the temperature of the flue gas discharged from the air outlet and the temperature of the heat storage brick is within a preset temperature.
2. The thermal storage and conditioning device according to claim 1, wherein the housing has opposed top and bottom walls, the air inlet being provided on the bottom wall of the housing and the air outlet being provided on the top wall of the housing.
3. The thermal storage and conditioning device according to claim 1, wherein the housing has opposed top and bottom walls, the air inlet being provided on the top wall of the housing and the air outlet being provided on the bottom wall of the housing.
4. The thermal storage and conditioning device according to claim 1, wherein the cooling support comprises a plurality of hollow sets of pipes, the plurality of sets of pipes being reciprocally disposed in a horizontal plane.
5. The thermal storage and conditioning apparatus according to claim 4, wherein the cooling support includes a plurality of straight pipes and bends for connecting adjacent two of the straight pipes.
6. The thermal storage and conditioning device according to claim 5, wherein the cooling support has a water inlet and a water outlet, the water inlet and the water outlet being located outside the housing, and both ends of the straight pipe and the elbow being located outside the housing.
7. The thermal storage and conditioning device according to claim 1, wherein adjacent two cooling support members are arranged at a certain interval, and the bearing mechanism is disposed in the gap between the adjacent two cooling support members.
8. The thermal storage and conditioning device according to claim 7, wherein the support mechanism comprises a plurality of spliced flow equalization block bricks, and a top surface of the plurality of spliced flow equalization block bricks forms a plane for arranging the thermal storage bricks.
9. The heat-accumulating temperature-regulating device according to claim 1, wherein the heat-accumulating bricks are hollow cylinder-shaped as a whole, the heat-accumulating bricks are provided with a top surface and a bottom surface which are opposite along the extending direction of the cylinder, the top surface is provided with a first limiting part, the bottom surface is provided with a second limiting part, and the first limiting parts and the second limiting parts of two adjacent heat-accumulating bricks are matched to form a limiting mechanism along the height direction.
10. The thermal storage and conditioning device according to claim 9, wherein the first limiting portion includes a protrusion, and the second limiting portion includes a clamping groove that mates with the protrusion.
11. The thermal storage and conditioning device according to claim 1, wherein the cooling support comprises any one of the following forms: a water-cooled cooling support, a vaporization cooling support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322689534.7U CN220818613U (en) | 2023-10-08 | 2023-10-08 | Heat accumulating and temperature regulating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322689534.7U CN220818613U (en) | 2023-10-08 | 2023-10-08 | Heat accumulating and temperature regulating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220818613U true CN220818613U (en) | 2024-04-19 |
Family
ID=90671234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322689534.7U Active CN220818613U (en) | 2023-10-08 | 2023-10-08 | Heat accumulating and temperature regulating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220818613U (en) |
-
2023
- 2023-10-08 CN CN202322689534.7U patent/CN220818613U/en active Active
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