Refrigerant storage device

By incorporating heat-conducting components within the storage device, the problems of vaporization loss and temperature stratification caused by heat transfer in cryogenic liquids are solved, achieving uniform temperature distribution and safe storage of the refrigerant.

CN223560320UActive Publication Date: 2025-11-18SICHUAN JUCHUANG MEDICAL EQUIP CO LTD
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Patent Information

Application Number
CN202423175965.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-23
Publication Date
2025-11-18
Estimated Expiration
2034-12-23

AI Technical Summary

Technical Problem

During use, the heat transferred from the external environment to the inner tank of existing cryogenic containers causes the cryogenic liquid to heat up and vaporize, resulting in increased vaporization loss and affecting output quality and the safety of storage equipment.

Method used

A heat-conducting component is installed inside the storage device to ensure that the heat entering the inner shell is evenly distributed. The heat is then evenly transferred to the refrigerant through heat pipes and the heat-conducting component, thus avoiding temperature stratification.

Benefits of technology

It improves the output quality of refrigerant and the safety during storage, and reduces the occurrence of temperature stratification.

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Abstract

The utility model provides a refrigerant storage device, and relates to the technical field of storage equipment. The refrigerant storage device comprises: an outer housing; the inner shell is arranged in the outer shell in a sleeved mode, and a heat preservation cavity is formed between the inner shell and the outer shell; the liquid inlet pipeline is arranged at the bottom of the outer shell, and one end of the liquid inlet pipeline communicates with the interior of the inner shell; the emptying pipe is arranged at the top of the outer shell, and one end of the emptying pipe is communicated with the interior of the inner shell; the heat conduction pipe is mounted at the top of the outer shell, and one end of the heat conduction pipe extends into the inner shell; and the multiple heat conduction assemblies are evenly distributed in the axis direction of the heat conduction pipe, the ends of the heat conduction assemblies are connected with the inner side wall of the inner shell, heat exchange cavities are formed in the heat conduction assemblies, and the heat exchange cavities communicate with the heat conduction pipe. The heat conduction assembly is arranged in the storage device, so that heat entering the inner shell is evenly distributed in the refrigerant, the problem of temperature stratification is solved, and the output quality of the refrigerant and the safety in the storage process are improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to storage equipment technical field especially is related to a refrigerant storage device. BACKGROUND

[0002] A large amount of energy is consumed in the liquefaction process of low-temperature liquid, and reducing the gasification loss of the low-temperature liquid during storage has important role and significance. In the use process of the existing low-temperature container, the heat transferred to the outer tank from the external environment still has part to be transferred to the inner tank through conduction, convection and radiation, so that the low-temperature liquid is warmed and gasified. The low-temperature liquid is prone to stratification when being warmed and gasified, which aggravates the gasification loss of the low-temperature liquid and affects the output quality and even the use safety performance of the storage equipment. SUMMARY

[0003] The utility model discloses to solve the above-mentioned technical problem and provide a refrigerant storage device, through setting up the heat conduction component in the storage device inside, make the heat that enters the inner shell body is evenly distributed in the refrigerant, reduce the problem that temperature stratification appears, improve the output quality of refrigerant and the security in the storage process.

[0004] The utility model discloses a technical scheme that adopts:

[0005] A refrigerant storage device, comprising:

[0006] An outer shell body;

[0007] An inner shell body is sleeved in the outer shell body, and a heat preservation chamber is formed between the inner shell body and the outer shell body;

[0008] A liquid inlet pipeline is arranged at the bottom of the outer shell body, and one end of the liquid inlet pipeline is in communication with the inside of the inner shell body;

[0009] An emptying pipe is arranged at the top of the outer shell body, and one end of the emptying pipe is in communication with the inside of the inner shell body;

[0010] A heat conduction pipe is installed at the top of the outer shell body, and one end of the heat conduction pipe extends into the inner shell body;

[0011] A plurality of heat conduction components are uniformly distributed along the axis direction of the heat conduction pipe, and the end of the heat conduction component is connected with the inner side wall of the inner shell body, and the inside of the heat conduction component has a heat exchange chamber, and the heat exchange chamber is in communication with the heat conduction pipe;

[0012] The heat conduction pipe and the heat conduction component are both made of metal material.

[0013] Optionally, the refrigerant storage device further comprises:

[0014] A pressure sensor is installed on the emptying pipe;

[0015] an automatic valve installed on the evacuation pipe and located at the discharge port of the evacuation pipe;

[0016] a plurality of temperature sensors, each of which is installed on the heat conduction assembly;

[0017] a controller arranged on the outer shell, which is electrically connected with the pressure sensor, the automatic valve and the temperature sensor.

[0018] Optionally, the heat conduction assembly comprises:

[0019] a mounting disc sleeved on the heat conduction pipe, the mounting disc having a buffer chamber therein, which is in communication with the heat conduction pipe;

[0020] a plurality of heat conduction strips, one end of each of which is fixedly connected with the mounting disc and the other end of each of which is connected with the inner shell, the plurality of heat conduction strips being uniformly distributed along the circumference of the mounting disc, each of the heat conduction strips being provided with a flow guide groove, and the flow guide grooves forming the heat exchange chamber in communication with the buffer chamber.

[0021] Optionally, the heat conduction strip is provided with a plurality of protrusions on the outer side wall thereof.

[0022] Optionally, the longitudinal section of the heat conduction strip is in the shape of an I-beam.

[0023] Optionally, the outer side wall of the inner shell is coated with a plurality of layers of thermal insulation coating.

[0024] Optionally, the outer shell is wrapped with a plurality of layers of vacuum thermal insulation.

[0025] Optionally, the inner shell is integrally formed by casting.

[0026] Optionally, the inner side wall of the inner shell is provided with a mounting platform corresponding to the heat conduction assembly.

[0027] Compared with the prior art, the application has the following beneficial effects:

[0028] By arranging the heat conduction assembly inside the storage device, the heat entering the inner shell is evenly distributed in the refrigerant, the problem of temperature stratification is reduced, and the output quality of the refrigerant and the safety during the storage process are improved. BRIEF DESCRIPTION OF DRAWINGS

[0029] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0030] Figure 1 Front view structural schematic diagram of refrigerant storage device.

[0031] Figure 2 Top view structural schematic diagram of refrigerant storage device.

[0032] Figure 3 Overall structural schematic diagram of refrigerant storage device.

[0033] Figure 4 For Figure 3 Partial enlarged structural schematic diagram at A in the middle.

[0034] Reference signs:

[0035] 1, outer shell; 11, vacuum insulation body; 2, inner shell; 21, heat insulation coating; 22, mounting table; 3, heat preservation chamber; 4, liquid inlet pipeline; 5, emptying pipe; 6, heat conduction pipe; 7, heat conduction assembly; 71, heat exchange chamber; 72, mounting disc; 73, buffer chamber; 74, heat conduction strip; 75, flow guide groove; 76, protrusion; 8, pressure sensor; 9, automatic valve; 10, temperature sensor; 110, controller. DETAILED DESCRIPTION

[0036] Hereinafter, only certain exemplary embodiments are simply described. As those skilled in the art can recognize, the described embodiments can be modified in various different ways without departing from the spirit or scope of the present application. Therefore, the drawings and the description are considered to be exemplary in nature rather than limiting.

[0037] In the description of the present application, it is understood that the terms "top", "bottom", "inner", "outer", "axial" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly understood by those skilled in the art, or the orientation or positional relationship commonly understood by those skilled in the art, only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0038] In the present application, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship of two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0039] In the present application, unless otherwise explicitly specified and limited, the first feature is "on" or "under" the second feature, which can include direct contact between the first and second features, or indirect contact between the first and second features through another feature therebetween. Moreover, the first feature "on", "above" and "over" the second feature includes the first feature directly above and obliquely above the second feature, or only indicates that the first feature is higher than the second feature in horizontal height. The first feature "under", "below" and "underneath" the second feature includes the first feature directly above and obliquely above the second feature, or only indicates that the first feature is lower than the second feature in horizontal height.

[0040] The disclosure below provides many different embodiments or examples for implementing different structures of the present application. In order to simplify the disclosure of the present application, the components and settings of specific examples are described below. Of course, they are only examples, and the purpose is not to limit the present application. In addition, the present application can repeatedly refer to numbers and / or letters in different examples, and such repetition is for the purpose of simplification and clarity, which itself does not indicate the relationship between the various embodiments and / or settings discussed. In addition, the present application provides examples of various specific processes and materials, but those skilled in the art can realize the application of other processes and / or the use of other materials.

[0041] The embodiments of the present application will be described in detail below with reference to the accompanying drawings.

[0042] As Figure 1 and Figure 2 The present application provides a refrigerant storage device, which comprises an outer shell 1, an inner shell 2, a liquid inlet pipeline 4, an emptying pipeline 5, a heat conducting pipe 6 and a plurality of heat conducting assemblies 7. The inner shell 2 is sleeved in the outer shell 1, and a heat preservation chamber 3 is formed between the inner shell 2 and the inner side wall of the outer shell 1 after installation. The liquid inlet pipeline 4 is arranged at the bottom of the outer shell 1 and communicates with the inside of the inner shell 2. The emptying pipeline 5 is arranged at the top of the outer shell 1 and communicates with the inside of the inner shell 2. The plurality of heat conducting assemblies 7 are uniformly distributed along the axis direction of the heat conducting pipe 6, and the end of the heat conducting assembly 7 is connected with the inner side wall of the inner shell 2. The inside of the heat conducting assembly 7 has a heat exchange chamber 71, and the heat exchange chamber 71 communicates with the heat conducting pipe 6. The heat conducting pipe 6 and the heat conducting assembly 7 are both made of metal material.

[0043] In use, in order to improve the heat preservation performance of the storage device, the inner shell 2 forms a heat preservation chamber 3 with the inner side wall of the outer shell 1 after installation. The refrigerant (in this embodiment, the refrigerant is liquid nitrogen) enters the inner shell 2 from the liquid inlet pipe 4 arranged at the bottom of the outer shell 1, and part of the refrigerant is gasified due to external environmental influence during the entering process. In order to facilitate the discharge of the gasified refrigerant from the inner shell 2, the evacuation pipe 5 is arranged at the top of the outer shell 1 and communicates with the inner shell 2. The heat conducting pipe 6 extends into the inner shell 2 from the top of the outer shell 1, and a plurality of heat conducting components 7 are arranged on the end of the heat conducting pipe 6 in the inner shell 2 along the axial direction of the heat conducting pipe 6, and the end of the heat conducting component 7 is connected with the inner side wall of the inner shell 2. The heat conducting component 7 has a heat exchange chamber 71 therein, which communicates with the heat conducting pipe 6.

[0044] More specifically, the heat conducting pipe 6 and the heat conducting component 7 are made of metal materials such as copper, aluminum, silver and stainless steel. When the refrigerant is filled, the heat on the inner shell 2 can be uniformly transmitted to the refrigerant, avoiding uneven temperature distribution of the refrigerant in the inner shell 2, causing temperature stratification, affecting the output quality of the refrigerant and the use safety of the storage device.

[0045] In another embodiment, as shown in Figure 1 and Figure 3 , the refrigerant storage device further comprises a pressure sensor 8, an automatic valve 9, a plurality of temperature sensors 10 and a controller 110. The pressure sensor 8 and the automatic valve 9 are both arranged on the evacuation pipe 5, and the automatic valve 9 is located at the end away from the outer shell 1 after installation. The plurality of temperature sensors 10 are arranged on each heat conducting component 7. The controller 110 is arranged on the outer shell 1 and electrically connected with the pressure sensor 8, the automatic valve 9 and the temperature sensor 10.

[0046] In use, the pressure sensor 8 monitors the pressure in the inner shell 2 in real time to avoid safety hazards caused by excessive pressure in the inner shell 2. When the refrigerant is filled, the controller 110 controls the automatic valve 9 to be always open to facilitate the discharge of the gasified refrigerant during the filling process; when the refrigerant filling is completed, the controller 110 controls the automatic valve 9 to be closed. The temperature sensor 10 is arranged corresponding to each layer of heat conducting component 7, which is used to detect the temperature of the refrigerant at different positions to better judge whether the refrigerant in the inner shell 2 appears temperature stratification phenomenon, so as to take corresponding measures to increase the safety during storage and transportation.

[0047] In another embodiment, as shown in Figure 3 and Figure 4As shown, the heat-conducting assembly 7 comprises a mounting disc 72 and a plurality of heat-conducting strips 74. The mounting disc 72 is sleeved on the heat-conducting pipe 6, and the mounting disc 72 has a buffer chamber 73 therein, which is in communication with the heat-conducting pipe 6. The plurality of heat-conducting strips 74 are uniformly distributed along the circumferential direction of the mounting disc 72, and the two ends of the heat-conducting strips 74 are connected with the mounting disc 72 and the inner side wall of the inner shell 2, respectively. The heat-conducting strips 74 are provided with flow guide grooves 75, and the flow guide grooves 75 form a heat exchange chamber 71 after being communicated with the buffer chamber 73. The uniform distribution of the plurality of heat-conducting strips 74 makes the temperature on the inner side wall of the inner shell 2 more uniformly contact with the refrigerant.

[0048] In another embodiment, as shown in Figure 1 , the outer side wall of the heat-conducting strip 74 has a plurality of protrusions 76. The heat-conducting strip 74 is provided with a plurality of protrusions 76 in order to increase the contact surface of the heat-conducting strip 74 with the refrigerant.

[0049] In another embodiment, the longitudinal section of the heat-conducting strip 74 is in an I-shaped structure. Also in order to increase the contact surface of the heat-conducting strip 74 with the refrigerant.

[0050] In another embodiment, as shown in Figure 3 and Figure 4 , in order to improve the heat preservation performance of the storage device, the outer side of the inner shell 2 is coated with a plurality of layers of heat insulation coating 21.

[0051] In another embodiment, as shown in Figure 3 and Figure 4 , in order to improve the heat preservation performance of the storage device, the outer shell 1 is wrapped with a plurality of layers of vacuum thermal insulation 11.

[0052] In another embodiment, in order to improve the use safety of the inner shell 2, the inner shell 2 is integrally cast into shape.

[0053] In another embodiment, as shown in Figure 3 and Figure 4 , in order to facilitate the installation of the heat-conducting strips 74 of the heat-conducting assembly 7, the inner side wall of the inner shell 2 is provided with a mounting table 22.

[0054] Finally, it should be noted that the above only describes the preferred embodiments of the present application and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent replacements to some technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A refrigerant storage device characterized by comprising: The application relates to a refrigerant storage device. The application relates to a refrigerant storage device. The application relates to a refrigerant storage device. The application relates to a refrigerant storage device. The application relates to a refrigerant storage device. The application relates to a refrigerant storage device. The application relates to a refrigerant storage device. The application relates to a refrigerant storage device.

2. The refrigerant storage device according to claim 1, characterized by The application relates to a refrigerant storage device. The application relates to a refrigerant storage device. The application relates to a refrigerant storage device. The application relates to a refrigerant storage device. The application relates to a refrigerant storage device.

3. The refrigerant storage device according to claim 1 or 2, characterized by The application relates to a refrigerant storage device. The application relates to a refrigerant storage device. The application relates to a refrigerant storage device.

4. The refrigerant storage device according to claim 3, characterized by The application relates to a refrigerant storage device.

5. The refrigerant storage device according to claim 3, characterized by The application relates to a refrigerant storage device.

6. The refrigerant storage device according to claim 1, characterized by The application relates to a refrigerant storage device.

7. The refrigerant storage device according to claim 1, characterized by The application relates to a refrigerant storage device.

8. The refrigerant storage device according to claim 1, characterized by The application relates to a refrigerant storage device.

9. The refrigerant storage device according to claim 8, characterized by The application relates to a refrigerant storage device. The application relates to a refrigerant storage device. The application relates to a refrigerant storage device. The application relates to a refrigerant storage device. The application relates to a refrigerant storage device. The application relates to a refrigerant storage device. The application relates to a refrigerant storage device. The application relates to a refrigerant storage device. The application relates to a refrigerant storage device. The application relates to a refrigerant storage device. The application relates to a refrigerant storage device. The application relates to a refrigerant storage device. The application relates to a refrigerant storage device. The application relates to a refrigerant storage device. The application relates to a refrigerant storage device. The application relates to a refrigerant storage device. 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