CN217402898U - Cold accumulation heat exchanger and cold accumulation type refrigerating system - Google Patents
Cold accumulation heat exchanger and cold accumulation type refrigerating system Download PDFInfo
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- CN217402898U CN217402898U CN202221315724.1U CN202221315724U CN217402898U CN 217402898 U CN217402898 U CN 217402898U CN 202221315724 U CN202221315724 U CN 202221315724U CN 217402898 U CN217402898 U CN 217402898U
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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
Abstract
The utility model discloses a cold accumulation heat exchanger and a cold accumulation refrigerating system, wherein the cold accumulation heat exchanger comprises a shell and a heat exchange assembly, wherein the shell is provided with a heat exchange cavity, an inlet and an outlet which are communicated with the heat exchange cavity; the heat exchange assembly is arranged in the heat exchange cavity and comprises a heat exchange piece arranged on the shell and a refrigerant pipeline wound on the heat exchange piece, and the refrigerant pipeline is used for exchanging heat for an energy storage medium in the heat exchange cavity. The utility model discloses a cold-storage heat exchanger has increased the heat transfer area of refrigerant pipeline through the heat transfer piece, has improved the heat transfer effect to avoid among the cold-storage heat exchanger energy storage medium's temperature inhomogeneous.
Description
Technical Field
The utility model relates to a refrigeration technology field, in particular to cold-storage heat exchanger and cold-storage refrigerating system.
Background
In the related art, when the cold storage heat exchanger is used for refrigeration, the temperature of the energy storage medium in the cold storage heat exchanger needs to be lowered. The cold accumulation heat exchanger is generally provided with a refrigeration pipeline for cooling the energy storage medium in the cold accumulation heat exchanger. However, the contact area between the refrigerant pipeline of the traditional cold accumulation heat exchanger and the energy storage medium is small, so that the heat exchange efficiency between the refrigerant pipeline and the energy storage medium is low, and the temperature of the energy storage medium in the cold accumulation heat exchanger is uneven.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a cold-storage heat exchanger, which aims to solve the technical problem of uneven temperature of an energy storage medium in the cold-storage heat exchanger.
In order to achieve the above object, the present invention provides a cold storage heat exchanger, which includes a housing and a heat exchange assembly, wherein the housing is provided with a heat exchange cavity, and an inlet and an outlet communicated with the heat exchange cavity; the heat exchange assembly is arranged in the heat exchange cavity and comprises a heat exchange piece arranged on the shell and a refrigerant pipeline wound on the heat exchange piece, and the refrigerant pipeline is used for exchanging heat for an energy storage medium in the heat exchange cavity.
Optionally, the inlet and the outlet are oppositely arranged on two sides of the shell; the heat exchange pieces are arranged from the inlet to the outlet.
Optionally, the distance between two adjacent heat exchange members is equal.
Optionally, the heat exchange member is provided with a sealed cavity, and the sealed cavity is provided with a solution for exchanging heat for an energy storage medium in the heat exchange cavity.
Optionally, the heat exchange element has a first surface and a second surface, and a side connecting the first surface and the second surface; the first surface and the second surface are arranged in parallel, and the area of the first surface or the area of the second surface is smaller than the area of the longitudinal section of the shell along the width direction.
Optionally, the refrigerant pipeline comprises a plurality of sub refrigerant pipelines which are mutually communicated, any heat exchange member is provided with the sub refrigerant pipe section, and the sub refrigerant pipe section comprises a first refrigerant pipe section, a second refrigerant pipe section and a third refrigerant pipe section which is communicated with the first refrigerant pipe section and the second refrigerant pipe section; the third refrigerant pipe section is coiled on the heat exchange part.
Optionally, the third refrigerant pipe section includes a plurality of parallel sections and a bent section communicated with the parallel sections, the parallel sections are communicated with the first refrigerant pipe section and the second refrigerant pipe section, and the bent section is communicated with two adjacent parallel sections.
Optionally, the first refrigerant pipe sections of any two of the sub refrigerant pipelines are communicated with each other; and/or the second refrigerant pipe sections of any two sub refrigerant pipelines are communicated with each other.
Optionally, the inlet is located above the outlet along a height direction of the housing.
The utility model also provides a cold accumulation type refrigerating system, which comprises the cold accumulation heat exchanger, wherein the cold accumulation heat exchanger comprises a shell and a heat exchange assembly, the shell is provided with a heat exchange cavity, and an inlet and an outlet which are communicated with the heat exchange cavity; the heat exchange assembly is arranged in the heat exchange cavity and comprises a heat exchange piece arranged on the shell and a refrigerant pipeline wound on the heat exchange piece, and the refrigerant pipeline is used for exchanging heat for an energy storage medium in the heat exchange cavity.
The cold accumulation heat exchanger of the utility model is provided with a shell and a heat exchange component, wherein the shell is provided with a heat exchange cavity and an inlet and an outlet which are communicated with the heat exchange cavity, the heat exchange component is arranged in the heat exchange cavity, the heat exchange component comprises a heat exchange piece arranged on the shell and a refrigerant pipeline coiled on the heat exchange piece, and the refrigerant pipeline is used for exchanging heat for an energy storage medium in the heat exchange cavity; so, the refrigerant pipeline coils on heat transfer spare for refrigerant pipeline and heat transfer spare contact, thereby let the refrigerant pipeline pass through heat transfer spare and increased heat transfer area, improved the heat transfer effect, and then avoid among the cold-storage heat exchanger energy storage medium's temperature inhomogeneous.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural view of an embodiment of the cold storage heat exchanger of the present invention;
fig. 2 is a schematic structural view of the heat exchange member and the sub-refrigerant pipeline assembly of the present invention.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 10 | Cold |
220 | |
| 100 | |
230 | |
| 101 | |
231 | |
| 102 | An |
232 | |
| 103 | An |
233 | |
| 200 | |
233a | |
| 210 | |
233b | Bending section |
The purpose of the present invention is to provide a novel and improved method and apparatus for operating a computer.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
In the related art, when the cold storage heat exchanger is used for refrigeration, the temperature of the energy storage medium in the cold storage heat exchanger needs to be lowered. The cold accumulation heat exchanger is generally provided with a refrigeration pipeline for cooling the energy storage medium in the cold accumulation heat exchanger. However, the contact area between the refrigerant pipeline of the traditional cold accumulation heat exchanger and the energy storage medium is small, so that the heat exchange efficiency between the refrigerant pipeline and the energy storage medium is low, and the temperature of the energy storage medium in the cold accumulation heat exchanger is uneven.
It should be noted that, since the refrigerant in the refrigerant pipeline needs to participate in the refrigerant circulation in the cold storage refrigeration system, the temperature of the refrigerant is changed, which easily causes the temperature of the energy storage medium in the cold storage heat exchanger to be uneven.
Referring to fig. 1, the present invention provides an embodiment of a cold storage heat exchanger 10, and the cold storage heat exchanger 10 can be applied to a cold storage refrigeration system. In the following embodiments, the cold storage heat exchanger 10 is mainly used in a cold storage refrigeration system as an example for description, and other cases requiring the cold storage heat exchanger 10 can be referred to for implementation.
Referring to fig. 1, in an embodiment of the cold storage heat exchanger 10 of the present invention, the cold storage heat exchanger 10 includes a housing 100 and a heat exchange assembly 200, wherein the housing 100 is provided with a heat exchange cavity 101, and an inlet 102 and an outlet 103 communicated with the heat exchange cavity 101; the heat exchange assembly 200 is disposed in the heat exchange cavity 101, the heat exchange assembly 200 includes a heat exchange member 210 disposed on the casing 100 and a refrigerant pipeline 220 wound on the heat exchange member 210, and the refrigerant pipeline 220 is used for exchanging heat for an energy storage medium in the heat exchange cavity 101.
Specifically, for the energy storage medium in the cold storage heat exchanger 10, the energy storage medium may be water and liquid such as ethylene glycol, and in order to reduce the cost, the energy storage medium generally selected is water. The cold accumulation heat exchanger 10 can be applied to a cold accumulation type refrigerating system, an energy storage medium is filled in a heat exchange cavity 101 of the cold accumulation heat exchanger 10, and the heat exchange assembly 200 can refrigerate the energy storage medium. For example, the heat exchange assembly 200 can freeze the energy storage medium in the heat exchange cavity 101. Of course, the heat exchange assembly 200 may freeze the energy storage medium in the heat exchange cavity 101, that is, freeze most of the energy storage medium in the heat exchange cavity 101, and the flowable energy storage medium still exists in the heat exchange cavity 101, so as to participate in the energy storage medium circulation in the cold storage refrigeration system. Of course, the refrigerant pipeline 220 is provided with a refrigerant to participate in the refrigerant circulation in the cold storage refrigeration system, so as to exchange heat for the energy storage medium of the heat exchange cavity 101.
As for the inlet 102 and the outlet 103 of the shell 100, the inlet 102 and the outlet 103 function to enable the energy storage medium in the heat exchange cavity 101 to circulate in the regenerative refrigeration system.
There are various shapes for the heat exchange member 210, for example, the heat exchange member 210 may be provided in a plate shape; alternatively, the heat exchange member 210 is arranged in a square column shape; alternatively, the heat exchanger 210 is disposed in a cylindrical shape, which is selected according to the actual situation, and is not limited herein. The heat exchanging member 210 may be installed in the housing 100 by welding, fastening, screwing, and the like, so as to fix the refrigerant pipe 220.
As can be understood, the refrigerant pipeline 220 is wound around the heat exchanging element 210, such that the refrigerant pipeline 220 contacts the heat exchanging element 210, and the heat exchanging area of the refrigerant pipeline 220 is increased by the heat exchanging element 210. When the refrigerant pipeline 220 exchanges heat with the energy storage medium in the heat exchange cavity 101, heat exchange exists between the refrigerant pipeline 220 and the heat exchange member 210, meanwhile, heat exchange also exists between the heat exchange member 210 and the energy storage medium in the heat exchange cavity 101, and the contact area between the heat exchange member 210 and the energy storage medium is larger, so that the contact area between the refrigerant pipeline 220 and the energy storage medium is indirectly increased, the heat exchange effect is improved, and the temperature of the energy storage medium in the cold storage heat exchanger 10 is more uniform.
The cold storage heat exchanger 10 of the utility model is provided with a shell 100 and a heat exchange assembly 200, wherein the shell 100 is provided with a heat exchange cavity 101, and an inlet 102 and an outlet 103 communicated with the heat exchange cavity 101, the heat exchange assembly 200 is arranged in the heat exchange cavity 101, the heat exchange assembly 200 comprises a heat exchange member 210 arranged on the shell 100 and a refrigerant pipeline 220 coiled on the heat exchange member 210, and the refrigerant pipeline 220 is used for exchanging heat for an energy storage medium in the heat exchange cavity 101; thus, the refrigerant pipeline 220 is wound on the heat exchange part 210, so that the refrigerant pipeline 220 is in contact with the heat exchange part 210, the heat exchange area of the refrigerant pipeline 220 is increased through the heat exchange part 210, the heat exchange effect is improved, and the non-uniform temperature of the energy storage medium in the cold storage heat exchanger 10 is avoided.
In one embodiment, the inlet 102 and the outlet 103 are oppositely disposed on two sides of the housing 100; the number of the heat exchange members 210 is plural, and the plural heat exchange members 210 are arranged from the inlet 102 to the outlet 103.
In particular, in this embodiment, the inlet 102 and the outlet 103 are disposed on two sides of the casing 100, so that the circulation of the energy storage medium in the heat exchange cavity 101 is facilitated, and the movement distance of the energy storage medium in the heat exchange cavity 101 is also shortened. The number of the heat exchange pieces 210 is multiple, and the heat exchange pieces 210 are arranged from the inlet 102 to the outlet 103, so that the contact area of the heat exchange pieces 210 and an energy storage medium is increased, and the heat exchange efficiency is improved. In addition, the plurality of heat exchange members 210 are arranged in the direction from the inlet 102 to the outlet 103, which is beneficial to cooling or icing the energy storage medium in the heat exchange cavity 101, so that the temperature of the energy storage medium in the heat exchange cavity 101 is more uniform.
Further, the distance between two adjacent heat exchanging elements 210 is equal. Specifically, since the distance between two adjacent heat exchange members 210 is equal, the heat exchange members 210 are regularly arranged, which is beneficial for heat exchange to exchange heat with the energy storage medium, so that the heat exchange is more uniform, and the temperature of the energy storage medium in the cold storage heat exchanger 10 is prevented from being uneven.
In another embodiment, the heat exchanger 210 is provided with a sealed cavity, and the sealed cavity is provided with a solution for exchanging heat with the energy storage medium in the heat exchange cavity 101. In particular, there may be various shapes for the sealed cavity, for example, the sealed cavity may be spherically arranged; or the sealed cavity may be disposed in a cylindrical shape, which is selected according to practical situations and is not limited herein. As for the solution contained in the sealed cavity, the solution may be an energy storage medium or other liquid with good evaporability and thermal conductivity, which is specifically selected according to the actual situation, and is not limited herein. In this embodiment, the solution is an energy storage medium, generally speaking, when the temperature around the heat exchanging element 210 is high, the heat in the energy storage medium can be transferred into the plates, and when the temperature of the energy storage medium is high, the energy storage medium in the sealed cavity can absorb the heat and gasify into steam, and take away a large amount of heat. When the steam in the sealed cavity contacts the inner wall with lower temperature (referred to as the inner wall of the sealed cavity), the steam can be rapidly condensed into liquid and release heat energy, so that a thermal cycle is completed, a gas-liquid coexisting two-phase cycle system is formed, and the temperature of the energy storage medium in the heat exchange cavity 101 is more uniform.
Referring to fig. 2, in the above embodiment, the heat exchanging element 210 has a first surface and a second surface, and a side surface connecting the first surface and the second surface; the first surface and the second surface are parallel to each other, and the area of the first surface or the area of the second surface is smaller than the area of the longitudinal section of the housing 100 in the width direction.
Optionally, the first surface and the second surface are disposed in parallel, that is, in the embodiment, the heat exchanging member 210 is disposed in a plate shape. In this manner, the heat exchange member 210 reduces the installation volume in the heat exchange chamber 101, thereby making the structure of the cold storage heat exchanger 10 more compact. In addition, the area of the first surface or the area of the second surface is smaller than the area of the longitudinal section of the shell 100 along the width direction, so that the heat exchange member 210 is prevented from cutting off the energy storage medium flow in the heat exchange cavity 101, and the flowability of the energy storage medium in the heat exchange cavity 101 is ensured.
In a preferred embodiment, the refrigerant pipeline 220 includes a plurality of sub refrigerant pipelines 230 communicated with each other, each of the heat exchanging elements 210 is provided with the sub refrigerant pipe segment, and the sub refrigerant pipe segment includes a first refrigerant pipe segment 231, a second refrigerant pipe segment 232, and a third refrigerant pipe segment 233 communicated with the first refrigerant pipe segment 231 and the second refrigerant pipe segment 232; the third cooling medium pipe segment 233 is wound around the heat exchanging element 210.
Optionally, there are a plurality of heat exchange members 210, and any heat exchange member 210 is provided with a sub refrigerant pipeline 230. For the third cooling medium pipe segment 233 wound on the heat exchanging member 210, for example, the heat exchanging member 210 may be formed with a groove, so that the third cooling medium pipe segment 233 is embedded in the groove; alternatively, the third refrigerant pipe segment 233 may be welded to the heat exchanger 210, which is specifically selected according to practical situations and is not limited herein.
In another preferred embodiment, the third refrigerant pipe segment 233 includes a plurality of parallel segments 233a and a bent segment 233b communicated with the parallel segments 233a, the parallel segments 233a are communicated with the first refrigerant pipe segment 231 and the second refrigerant pipe segment 232, and the bent segment 233b is communicated with two adjacent parallel segments 233 a. Specifically, the plurality of parallel segments 233a are disposed in parallel with each other on the heat exchanging element 210. Since there are a plurality of parallel segments 233a and a plurality of bent segments 233b, the bent segments 233b can be connected to two adjacent parallel segments 233 a. Thus, the third refrigerant pipe 233 is integrally formed in a wave shape, which not only increases the contact area between the refrigerant pipeline 220 and the heat exchange member 210, but also makes the structure of the refrigerant pipeline 220 more compact.
In another preferred embodiment, the first refrigerant pipe sections 231 of any two of the sub refrigerant pipes 230 are communicated with each other; and/or the second refrigerant pipe sections 232 of any two of the sub refrigerant pipes 230 are communicated with each other. Specifically, the first pipe sections of any two sub-refrigerant pipelines 230 are communicated with each other; or, the second refrigerant pipe sections 232 of any two sub refrigerant pipelines 230 are communicated with each other; or, the first pipe sections of any two sub-refrigerant pipelines 230 are communicated with each other, and the second refrigerant pipe sections 232 of any two sub-refrigerant pipelines 230 are communicated with each other, which should be specifically selected according to actual situations, and is not limited herein. In this embodiment, the first pipe sections of any two sub-refrigerant pipelines 230 are communicated with each other, and the second refrigerant pipe sections 232 of any two sub-refrigerant pipelines 230 are communicated with each other, so that the circulation speed of the refrigerant in the refrigerant pipeline 220 is increased, thereby improving the heat exchange efficiency of the cold storage heat exchanger 10. In addition, the circulation speed of the refrigerant in the refrigerant pipeline 220 is increased, so that the influence of the refrigerant on the energy storage medium in the heat exchange cavity 101 is reduced, and the temperature unevenness of the energy storage medium in the cold storage heat exchanger 10 is avoided.
Based on the above embodiment, the inlet 102 is located above the outlet 103 along the height direction of the housing 100. Specifically, since the energy storage medium has gravity and the inlet 102 is located above the outlet 103 along the height direction of the housing 100, the energy storage medium flows into the heat exchange cavity 101 from the inlet 102 and flows out of the heat exchange cavity 101 from the outlet 103, so that energy for driving the energy storage medium to flow is saved.
The utility model also provides a cold-storage refrigerating system, this cold-storage refrigerating system include above-mentioned embodiment cold-storage heat exchanger 10. The specific structure of the cold storage heat exchanger 10 refers to the above-mentioned embodiments, and since the cold storage refrigeration system adopts all the technical solutions of all the above-mentioned embodiments, all the beneficial effects brought by the technical solutions of the above-mentioned embodiments are at least achieved, and no further description is given here.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (10)
1. A cold-storage heat exchanger, comprising:
the shell is provided with a heat exchange cavity, an inlet and an outlet which are communicated with the heat exchange cavity; and
the heat exchange assembly is arranged in the heat exchange cavity and comprises a heat exchange piece arranged on the shell and a refrigerant pipeline arranged on the heat exchange piece, and the refrigerant pipeline is used for exchanging heat for the energy storage medium in the heat exchange cavity.
2. The cold-storage heat exchanger as claimed in claim 1, wherein said inlet and said outlet are oppositely disposed on both sides of said housing; the heat exchange pieces are arranged from the inlet to the outlet.
3. The cold-storage heat exchanger as claimed in claim 2, wherein the spacing between adjacent two of said heat exchange members is equal.
4. The cold-storage heat exchanger as claimed in claim 1, wherein said heat exchange member is provided with a sealed chamber provided with a solution for exchanging heat of an energy storage medium in said heat exchange chamber.
5. The cold-storage heat exchanger as claimed in any one of claims 1 to 4, wherein the heat exchange member has a first surface and a second surface, and a side surface connecting the first surface and the second surface; the first surface and the second surface are arranged in parallel, and the area of the first surface or the area of the second surface is smaller than the area of the longitudinal section of the shell along the width direction.
6. The cold-storage heat exchanger as claimed in claim 2, wherein the refrigerant pipeline comprises a plurality of sub refrigerant pipelines communicated with each other, any one of the heat exchange members is provided with the sub refrigerant pipe section, and the sub refrigerant pipe section comprises a first refrigerant pipe section, a second refrigerant pipe section and a third refrigerant pipe section communicated with the first refrigerant pipe section and the second refrigerant pipe section; the third refrigerant pipe section is coiled on the heat exchange part.
7. The cold-storage heat exchanger as claimed in claim 6, wherein the third refrigerant pipe section includes a plurality of parallel sections and a bent section communicating with the parallel sections, the parallel sections communicating with the first refrigerant pipe section and the second refrigerant pipe section, and the bent section communicating with two adjacent parallel sections.
8. The cold storage heat exchanger as claimed in claim 6, wherein the first refrigerant pipe sections of any two of the sub-refrigerant pipes are communicated with each other; and/or the second refrigerant pipe sections of any two sub refrigerant pipelines are communicated with each other.
9. The cold-storage heat exchanger as claimed in claim 1, wherein the inlet is located above the outlet in a height direction of the housing.
10. A regenerative refrigeration system, characterized in that it comprises a regenerative heat exchanger according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221315724.1U CN217402898U (en) | 2022-05-27 | 2022-05-27 | Cold accumulation heat exchanger and cold accumulation type refrigerating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221315724.1U CN217402898U (en) | 2022-05-27 | 2022-05-27 | Cold accumulation heat exchanger and cold accumulation type refrigerating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217402898U true CN217402898U (en) | 2022-09-09 |
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ID=83146383
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221315724.1U Active CN217402898U (en) | 2022-05-27 | 2022-05-27 | Cold accumulation heat exchanger and cold accumulation type refrigerating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217402898U (en) |
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2022
- 2022-05-27 CN CN202221315724.1U patent/CN217402898U/en active Active
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