CN117516027A - Storage device and refrigerating method thereof - Google Patents
Storage device and refrigerating method thereof Download PDFInfo
- Publication number
- CN117516027A CN117516027A CN202210914926.6A CN202210914926A CN117516027A CN 117516027 A CN117516027 A CN 117516027A CN 202210914926 A CN202210914926 A CN 202210914926A CN 117516027 A CN117516027 A CN 117516027A
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- Prior art keywords
- storage device
- heat
- secondary refrigerant
- refrigerator
- coolant
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- 238000000034 method Methods 0.000 title claims abstract description 18
- 239000003507 refrigerant Substances 0.000 claims abstract description 60
- 239000002826 coolant Substances 0.000 claims abstract description 58
- 239000012530 fluid Substances 0.000 claims abstract description 33
- 238000005057 refrigeration Methods 0.000 claims description 16
- 238000009413 insulation Methods 0.000 claims description 13
- 238000001816 cooling Methods 0.000 claims description 11
- 239000007788 liquid Substances 0.000 claims description 8
- 238000002955 isolation Methods 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 4
- 239000004964 aerogel Substances 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 2
- 230000000712 assembly Effects 0.000 claims 1
- 238000000429 assembly Methods 0.000 claims 1
- 239000003795 chemical substances by application Substances 0.000 abstract description 14
- 239000002699 waste material Substances 0.000 abstract description 5
- 230000017525 heat dissipation Effects 0.000 description 5
- 239000010410 layer Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000005211 surface analysis Methods 0.000 description 1
- 238000001771 vacuum deposition Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D15/00—Devices not covered by group F25D11/00 or F25D13/00, e.g. non-self-contained movable devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B23/00—Machines, plants or systems, with a single mode of operation not covered by groups F25B1/00 - F25B21/00, e.g. using selective radiation effect
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B40/00—Subcoolers, desuperheaters or superheaters
- F25B40/06—Superheaters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/40—Fluid line arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/02—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating liquids, e.g. brine
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Analytical Chemistry (AREA)
- Power Engineering (AREA)
Abstract
The invention discloses a storage device and a refrigerating method thereof, wherein the storage device comprises a refrigerating agent pump, a refrigerating machine and a storage device; the input end of the refrigerator is communicated with the output end of the secondary refrigerant pump, so as to generate cold energy and exchange heat with the secondary refrigerant; the storage device comprises an inner shell and an outer shell, wherein the inner shell is provided with a storage cavity for storing fluid media, the inner shell and the outer shell are surrounded to form a heat exchange channel, the input end of the heat exchange channel is communicated with the output end of the refrigerator, and the output end of the heat exchange channel is communicated with the input end of the coolant pump so as to absorb and take away the heat of the fluid media through the coolant. The invention provides a storage device, which improves the storage time of a fluid medium and solves the problem of waste caused by volatilization of the fluid.
Description
Technical Field
The invention relates to the technical field of ultralow-temperature storage, in particular to storage equipment and a refrigeration method thereof.
Background
In the existing low-temperature storage technology, a storage tank is generally adopted to store the fluid secondary refrigerant, the storage tank is generally double-layer in wall thickness, two layers of wall surfaces are separated by a layer of vacuum interlayer, and the outer layer of the inner wall is plated with silver.
However, such storage tanks have a limited time for storing the fluid medium, and cannot store the fluid for a long period of time, and the fluid is easily volatilized, resulting in waste.
Disclosure of Invention
The invention mainly aims to provide a storage device and a refrigerating method thereof, which aim to improve the time for storing a fluid medium by a storage device and solve the problem of waste caused by volatilization of fluid.
To achieve the above object, the present invention proposes a storage device including:
a coolant pump;
the input end of the refrigerator is communicated with the output end of the secondary refrigerant pump, so as to generate cold energy and exchange heat with the secondary refrigerant; and
the storage device comprises an inner shell and an outer shell, wherein the inner shell is provided with a storage cavity for storing fluid media, the inner shell and the outer shell are surrounded to form a heat exchange channel, the input end of the heat exchange channel is communicated with the output end of the refrigerator, and the output end of the heat exchange channel is communicated with the input end of the coolant pump so as to absorb and take away the heat of the fluid media through the coolant.
Optionally, the storage device further comprises an integral heat insulation device, and the cold end of the refrigerator is arranged in the integral heat insulation device;
the integral heat insulation device is a vacuum heat insulation box or an aerogel heat insulation box.
Optionally, a heat exchange component is disposed in the heat exchange channel, so that the coolant exchanges heat with the fluid medium.
Optionally, the storage device further comprises a heat regenerator, the heat regenerator is arranged in the integral heat insulation device, a cold end input port of the heat regenerator is communicated with an output end of the heat exchange channel, and a cold end output port of the heat regenerator is communicated with an input end of the coolant pump; the hot end input port of the heat regenerator is communicated with the output end of the secondary refrigerant pump, and the hot end output port of the heat regenerator is communicated with the input end of the refrigerator;
the cold end of the heat regenerator is used for heating the secondary refrigerant; and the hot end of the heat regenerator is used for pre-cooling the secondary refrigerant.
Optionally, the storage device further includes a storage tank, and the storage tank is disposed between the input end of the coolant pump and the cold end output port of the regenerator, so as to store the coolant.
Optionally, the refrigerator is provided with a heat dissipation part, and the heat dissipation part is a fan and/or a liquid cooling part.
Optionally, the refrigerator is a thermo-acoustic refrigerator.
Optionally, the refrigerating temperature of the refrigerator is below-100 ℃.
In order to achieve the above object, the present invention also proposes a refrigeration method, based on a storage device as described above, comprising the steps of:
when a refrigerating instruction is acquired, starting a secondary refrigerant pump;
starting a refrigerator to generate cold energy and perform heat exchange with a secondary refrigerant to cool the secondary refrigerant to a target temperature, and introducing the secondary refrigerant into a storage device to absorb heat;
controlling the coolant in the storage device to flow back to the coolant pump;
and when the refrigerating instruction is acquired, the refrigerator and the secondary refrigerant pump are sequentially turned off.
Optionally, after the step of starting the coolant pump when the start-up instruction is acquired, the method further comprises:
introducing the secondary refrigerant to the hot end of the heat regenerator to pre-cool the secondary refrigerant;
the step of controlling the return of the coolant in the storage device to the coolant pump specifically includes:
introducing the secondary refrigerant in the storage device to the cold end of the heat regenerator so as to preheat the secondary refrigerant;
and introducing the preheated secondary refrigerant into the storage tank.
In the technical scheme of the invention, the storage equipment comprises a refrigerating agent pump, a refrigerating machine and a storage device; the input end of the refrigerator is communicated with the output end of the secondary refrigerant pump, so as to generate cold energy and exchange heat with the secondary refrigerant; the storage device is used for storing the fluid medium; the storage device comprises an inner shell and an outer shell, wherein the inner shell is provided with a storage cavity for storing fluid media, the inner shell and the outer shell are surrounded to form a heat exchange channel, the input end of the heat exchange channel is communicated with the output end of the refrigerator, and the output end of the heat exchange channel is communicated with the input end of the refrigerating agent pump so as to absorb and take away heat of the fluid media through the refrigerating agent. Therefore, the refrigerating machine can cool the secondary refrigerant, and then the secondary refrigerant is introduced into the storage device to absorb the heat of the fluid medium.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a memory device according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of another embodiment of a memory device according to the present invention;
fig. 3 is a schematic flow chart of an embodiment of the refrigeration method of the present invention.
Reference numerals illustrate:
10. a coolant pump; 20. a refrigerating machine; 30. a storage tank; 40. a storage device; 41. a heat exchange assembly; 50. a regenerator; 60. an integral heat insulation device; 40a, a storage chamber; 40b, heat exchange channels.
The achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present invention, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.
In addition, if there is a description of "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 a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, if the meaning of "and/or" is presented throughout this document, it is intended to include three schemes in parallel, taking "a and/or B" as an example, including a scheme, or B scheme, or a scheme where a and B meet simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.
The present invention proposes a storage device, which is applicable to storing a fluid medium, and is not limited herein.
Referring to FIG. 1, in one embodiment of the invention, the storage apparatus includes a coolant pump 10, a refrigerator 20, and a storage device 40; the input of the refrigerator 20 communicates with the output of the coolant pump 10 for generating and exchanging heat with the coolant; the storage device 40 includes an inner shell and an outer shell, the inner shell is provided with a storage cavity 40a for storing the fluid medium, the inner shell and the outer shell are surrounded to form a heat exchange channel 40b, an input end of the heat exchange channel 40b is communicated with an output end of the refrigerator 20, and an output end of the heat exchange channel 40b is communicated with an input end of the coolant pump 10 so as to absorb and take away heat of the fluid medium through the coolant.
In this embodiment, the coolant pump 10 can be a conventional pump, a cryopump, or the like, but is not limited thereto.
The cryopump is a vacuum pump that condenses a gas on a low-temperature surface, and is also called a condensing pump. The cryopump can obtain clean vacuum with the maximum pumping rate and the lowest limiting pressure, and is widely applied to research and production of semiconductors and integrated circuits, molecular beam research, vacuum coating equipment, vacuum surface analysis instruments, ion implanters, space simulation devices and the like.
In the present embodiment, the refrigerator 20 may be a thermo-acoustic refrigerator, etc., and the internal circulation medium of the thermo-acoustic refrigerator is not limited. The refrigerating temperature of the refrigerator 20 may be-100 c or lower, which is not limited.
In this embodiment, a heat exchange assembly 41 may be disposed in the heat exchange channel 40b of the storage device 40 to exchange heat between the coolant and the fluid medium in the heat exchange channel 40 b. In this way, the efficiency of heat exchange between the coolant and the cooled medium in the storage device 40 is improved, thereby further carrying away heat in the storage device 40, increasing the low-temperature storage time and reducing the volatilization waste of the storage medium.
The heat exchange assembly 41 may be a heat exchange tube, etc., but is not limited thereto.
Referring to fig. 1, the circulating refrigeration process is that the cold end cold tray of the refrigerator 20 generates cold energy to exchange heat with the cold-carrying agent, the cold-carrying agent enters the storage device 40 after being cooled, and can exchange heat with the cooled medium in the storage device 40 through the heat exchange component 41, and then the cold-carrying agent absorbs heat and flows back to the cold-carrying agent pump 10, and is conveyed to the cold tray of the refrigerator 20 through the cold-carrying agent pump 10, and thus the circulating refrigeration process is performed.
In the aspect of the invention, the storage apparatus includes a coolant pump 10, a refrigerator 20, and a storage device 40; the input of the refrigerator 20 communicates with the output of the coolant pump 10 for generating and exchanging heat with the coolant; the storage device 40 includes an inner shell and an outer shell, the inner shell is provided with a storage cavity 40a for storing the fluid medium, the inner shell and the outer shell are surrounded to form a heat exchange channel 40b, an input end of the heat exchange channel 40b is communicated with an output end of the refrigerator 20, and an output end of the heat exchange channel 40b is communicated with an input end of the coolant pump 10 so as to absorb and take away heat of the fluid medium through the coolant. In this way, the refrigerating machine 20 can cool the refrigerating agent, and then the refrigerating agent is introduced into the storage device 40 to absorb the heat of the fluid medium, and the refrigerating agent in the pipeline can flow back to the refrigerating agent pump 10 and then be pumped into the refrigerating machine 20 by adopting a closed circulation pipeline, so that the refrigerating agent is cooled in a reciprocating circulation mode, the storage time of the fluid medium is prolonged, and the problem of waste caused by volatilization of the fluid is solved.
In addition, in one embodiment, a gas-liquid separator may be further added between the refrigerator 20 and the storage device 40, i.e., the input of the gas-liquid separator is connected to the output of the refrigerator 20, and the output of the gas-liquid separator is connected to the input of the storage device 40, for separating the coolant into a liquid phase and a gas phase. Therefore, liquid cooling is realized, and the problem that the gas-phase secondary refrigerant causes interference to the use environment and causes unstable use environment can be solved.
Referring to FIG. 1, in one embodiment, the storage apparatus may further comprise an integral thermal isolation device 60, and the cold end of the refrigerator 20 may be disposed within the integral thermal isolation device 60; the integral heat insulating device 60 is a vacuum heat insulating box, an aerogel heat insulating box, or the like.
By arranging the integral heat insulation device 60, the heat insulation effect of the storage equipment is improved, and the heat exchange between the storage equipment and the outside can be reduced as much as possible, so that the refrigeration stability is ensured.
Referring to FIG. 2, in another embodiment, when the coolant pump 10 is a conventional pump, the storage device may further comprise a regenerator 50, the regenerator 50 may be disposed within the integral thermal insulation 60, the cold end input of the regenerator 50 being in communication with the output of the storage device 40, and the cold end output of the regenerator 50 being in communication with the input of the coolant pump 10; the hot side input of regenerator 50 communicates with the output of coolant pump 10 and the hot side output of regenerator 50 communicates with the input of refrigerator 20. The cold end of regenerator 50 is used for preheating the coolant; the hot side of regenerator 50 is used to pre-cool the coolant.
Referring to fig. 2, the circulation refrigeration process is that the cold end cold tray of the refrigerator 20 generates cold energy to exchange heat with the cold medium, the cold medium enters the storage device 40 after being cooled, and can exchange heat with the cooled fluid medium in the storage device 40 through the heat exchange component 41, the cold medium flows back to the cold end of the regenerator 50 after absorbing heat, the cold medium enters the cold medium pump 10 after absorbing heat at the cold end of the regenerator 50, is transported to the hot end of the regenerator 50 through the cold medium pump 10 to release heat for pre-cooling, and then enters the cold tray of the refrigerator 20 to circulate.
Referring to fig. 2, in this embodiment, a storage tank 30 may be disposed on a pipeline between the input end of the coolant pump 10 and the cold end output port of the regenerator 50, so as to store the coolant, and thus, the pressure can be stabilized, and the stability of the refrigeration cycle can be effectively ensured.
In other embodiments, referring to FIG. 1, when the coolant pump 10 is a cryopump, the regenerator 50 may not be provided and the storage tank 30 may be disposed in a line between the input of the coolant pump 10 and the output of the storage device 40.
In an embodiment, when the refrigerator 20 of the storage device is a thermo-acoustic refrigerator, the heat dissipation end of the thermo-acoustic refrigerator may be provided with a heat dissipation member, and the heat dissipation member may be a fan, a liquid cooling member, or a combination of air cooling and liquid cooling, which is not limited herein.
Additionally, in some other embodiments, a temperature sensor may be provided on the input line of the storage device 40 for detecting a temperature signal of the coolant.
In this embodiment, the storage device may further include a controller, where the controller is respectively connected to the refrigerator 20 and the temperature sensor, and is configured to control the refrigerator 20 to operate according to the temperature signal, so as to enable the coolant to reach the target temperature, thereby further improving the time of storing the fluid medium in the storage device, and reducing the medium volatilization.
The controller can be a single chip microcomputer, a DSP, an FPGA and the like, and is not limited.
The invention also provides a refrigeration method based on the storage device, referring to fig. 1 and 3, in an embodiment of the invention, the refrigeration method comprises the following steps:
step S10, when a refrigerating instruction is acquired, starting a secondary refrigerant pump;
step S20, starting a refrigerator to generate cold energy and perform heat exchange with the secondary refrigerant to cool the secondary refrigerant to a target temperature, and introducing the secondary refrigerant into a storage device to absorb heat;
step S30, controlling the secondary refrigerant in the storage device to flow back to the secondary refrigerant pump;
and step S40, when a refrigerating instruction is acquired, the refrigerator and the secondary refrigerant pump are sequentially turned off.
In this embodiment, the coolant pump 10 may be a cryopump or the like. The refrigerator 20 may be a thermo-acoustic refrigerator or the like, and the cooling temperature of the thermo-acoustic refrigerator may be-100 ℃ or lower. The storage device 40 may be of a can-like structure or the like, which is not limited herein.
Referring to fig. 1 and 3, the circulating refrigeration process is that the cold energy generated by the cold end cold tray of the refrigerator 20 exchanges heat with the secondary refrigerant, the secondary refrigerant enters the storage device 40 after being cooled, and can exchange heat with the cooled fluid medium in the storage device 40 through the heat exchange component 41, and then the secondary refrigerant absorbs heat and flows back to the secondary refrigerant pump 10, and is conveyed to the cold tray of the refrigerator 20 through the secondary refrigerant pump 10, and thus the circulating refrigeration process is performed.
Referring to fig. 2 and 3, in another embodiment, when the coolant pump 10 is a conventional pump, after the step S10 of starting the coolant pump upon acquisition of the start-up cooling command, it further comprises:
step S11, introducing the secondary refrigerant to the hot end of the heat regenerator to pre-cool the secondary refrigerant;
the step S30 of controlling the coolant in the storage device to flow back to the coolant pump specifically includes:
step S31, introducing the secondary refrigerant in the storage device to the cold end of the heat regenerator so as to preheat the secondary refrigerant;
and step S32, introducing the preheated secondary refrigerant into the storage tank.
In this embodiment, the coolant pump 10 is a conventional pump, and a combination of a conventional pump and a regenerator 50 is used in place of the cryopump in the above embodiment.
Referring to fig. 2 and 3, the circulation refrigeration process is that the cold end cold tray of the refrigerator 20 generates cold energy to exchange heat with the secondary refrigerant, the secondary refrigerant enters the storage device 40 after being cooled, and can exchange heat with the cooled fluid medium in the storage device 40 through the heat exchange component 41, the secondary refrigerant flows back to the cold end of the regenerator 50 after absorbing heat, the secondary refrigerant enters the storage tank 30 after absorbing heat at the cold end of the regenerator 50, and then is conveyed to the hot end of the regenerator 50 through the secondary refrigerant pump 10 to release heat for pre-cooling, and then enters the cold tray of the refrigerator 20, and the circulation is repeated.
The foregoing description is only of the optional embodiments of the present invention, and is not intended to limit the scope of the invention, and all the equivalent structural changes made by the description of the present invention and the accompanying drawings or the direct/indirect application in other related technical fields are included in the scope of the invention.
Claims (10)
1. A storage device, the storage device comprising:
a coolant pump;
the input end of the refrigerator is communicated with the output end of the secondary refrigerant pump, so as to generate cold energy and exchange heat with the secondary refrigerant; and
the storage device comprises an inner shell and an outer shell, wherein the inner shell is provided with a storage cavity for storing fluid media, the inner shell and the outer shell are surrounded to form a heat exchange channel, the input end of the heat exchange channel is communicated with the output end of the refrigerator, and the output end of the heat exchange channel is communicated with the input end of the coolant pump so as to absorb and take away the heat of the fluid media through the coolant.
2. The storage device of claim 1, further comprising an integral thermal isolation means, wherein the cold end of the refrigerator is disposed within the integral thermal isolation means;
the integral heat insulation device is a vacuum heat insulation box or an aerogel heat insulation box.
3. A storage device as defined in claim 1, wherein heat exchange assemblies are disposed within said heat exchange channels for exchanging heat between said coolant and said fluid medium.
4. The storage device of claim 2, further comprising a regenerator disposed within the integral thermal isolation, wherein a cold end input of the regenerator is in communication with an output of the heat exchange channel, and wherein a cold end output of the regenerator is in communication with an input of the coolant pump; the hot end input port of the heat regenerator is communicated with the output end of the secondary refrigerant pump, and the hot end output port of the heat regenerator is communicated with the input end of the refrigerator;
the cold end of the heat regenerator is used for heating the secondary refrigerant; and the hot end of the heat regenerator is used for pre-cooling the secondary refrigerant.
5. A storage apparatus according to claim 4 further comprising a storage tank disposed between the input of the coolant pump and the cold end output of the regenerator for storing the coolant.
6. The storage device of claim 1, wherein the refrigerator is provided with a heat sink, the heat sink being a fan and/or a liquid cooled member.
7. The storage device of claim 1, wherein the refrigerator is a thermo-acoustic refrigerator.
8. The storage device of claim 1, wherein the refrigerator has a refrigeration temperature of-100 ℃ or less.
9. A method of refrigeration based on a storage device according to any one of claims 1 to 8, characterized in that it comprises the steps of:
when a refrigerating instruction is acquired, starting a secondary refrigerant pump;
starting a refrigerator to generate cold energy and perform heat exchange with a secondary refrigerant to cool the secondary refrigerant to a target temperature, and introducing the secondary refrigerant into a storage device to absorb heat;
controlling the coolant in the storage device to flow back to the coolant pump;
and when the refrigerating instruction is acquired, the refrigerator and the secondary refrigerant pump are sequentially turned off.
10. The method of refrigeration as recited in claim 9 further comprising, after said step of starting the coolant pump upon acquisition of a start-up command:
introducing the secondary refrigerant to the hot end of the heat regenerator to pre-cool the secondary refrigerant;
the step of controlling the return of the coolant in the storage device to the coolant pump specifically includes:
introducing the secondary refrigerant in the storage device to the cold end of the heat regenerator so as to preheat the secondary refrigerant;
and introducing the preheated secondary refrigerant into the storage tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210914926.6A CN117516027A (en) | 2022-07-29 | 2022-07-29 | Storage device and refrigerating method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210914926.6A CN117516027A (en) | 2022-07-29 | 2022-07-29 | Storage device and refrigerating method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117516027A true CN117516027A (en) | 2024-02-06 |
Family
ID=89746292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210914926.6A Pending CN117516027A (en) | 2022-07-29 | 2022-07-29 | Storage device and refrigerating method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117516027A (en) |
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2022
- 2022-07-29 CN CN202210914926.6A patent/CN117516027A/en active Pending
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