CN216432150U - Room temperature pressure card refrigerator based on pressure thermal effect - Google Patents
Room temperature pressure card refrigerator based on pressure thermal effect Download PDFInfo
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- CN216432150U CN216432150U CN202121800830.4U CN202121800830U CN216432150U CN 216432150 U CN216432150 U CN 216432150U CN 202121800830 U CN202121800830 U CN 202121800830U CN 216432150 U CN216432150 U CN 216432150U
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- 230000000694 effects Effects 0.000 title claims abstract description 27
- 239000007788 liquid Substances 0.000 claims abstract description 84
- 239000012530 fluid Substances 0.000 claims abstract description 46
- 238000005057 refrigeration Methods 0.000 claims abstract description 38
- 238000002347 injection Methods 0.000 claims abstract description 24
- 239000007924 injection Substances 0.000 claims abstract description 24
- 230000009471 action Effects 0.000 claims abstract description 11
- 238000003825 pressing Methods 0.000 claims description 34
- 239000003921 oil Substances 0.000 claims description 24
- 239000007787 solid Substances 0.000 claims description 24
- 239000000463 material Substances 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 17
- 230000008569 process Effects 0.000 claims description 16
- 239000011229 interlayer Substances 0.000 claims description 9
- 238000007906 compression Methods 0.000 claims description 8
- 229910021135 KPF6 Inorganic materials 0.000 claims description 3
- 239000010720 hydraulic oil Substances 0.000 claims description 3
- 229910001546 potassium hexafluoroantimonate(V) Inorganic materials 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 229910001545 sodium hexafluoroantimonate(V) Inorganic materials 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 229910019398 NaPF6 Inorganic materials 0.000 claims description 2
- 230000008859 change Effects 0.000 abstract description 7
- 238000010521 absorption reaction Methods 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 230000007547 defect Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 9
- 230000008901 benefit Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000003507 refrigerant Substances 0.000 description 3
- OHMHBGPWCHTMQE-UHFFFAOYSA-N 2,2-dichloro-1,1,1-trifluoroethane Chemical compound FC(F)(F)C(Cl)Cl OHMHBGPWCHTMQE-UHFFFAOYSA-N 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- KYKAJFCTULSVSH-UHFFFAOYSA-N chloro(fluoro)methane Chemical compound F[C]Cl KYKAJFCTULSVSH-UHFFFAOYSA-N 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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Abstract
The utility model discloses a room temperature pressure card refrigerator based on a pressure-heat effect, and belongs to the technical field of refrigerators. The refrigerator comprises a high-precision high-pressure electric injection pump, a pressure clamping element, heat exchange fluid, a cold end heat exchanger and a hot end heat exchanger, wherein the phenomena of pressurization, heat release and pressure relief and heat absorption are generated by pressure clamping working media due to phase change under the action of the high-pressure injection pump, and the heat exchange fluid flows back and forth between the pressure clamping refrigeration working media and generates heat and cold again. The high-precision high-pressure electric injection pump provides pressure for the pressure card refrigeration cycle, and the pressure is output constantly. The pressurizing form is liquid pressure, the defect of uneven mechanical pressure transmission is well overcome, the pressurizing oil is simultaneously used as a heat exchange fluid and is in direct contact with a sample, heat and cold driven by pressure are directly brought into the heat exchangers at the hot end and the cold end to complete circulation, and heat loss is reduced.
Description
Technical Field
The utility model relates to the technical field of refrigerators, in particular to a room temperature pressure card refrigerator based on a pressure-heat effect.
Background
In modern society, refrigeration technology has penetrated into various production technologies and scientific fields, however, common refrigerants such as chlorofluorocarbon (CFC) and Hydrochlorofluorocarbon (HCFC) adopted by the traditional gas compression technology which is used in large quantities at present have different degrees of destructive effects on the ozone layer, and do not accord with the current health concepts of environmental protection, green and energy saving.
In this context, the development and research of environment-friendly refrigeration technology has become an important research direction for the innovation of refrigeration technology. At present, a new solid-state research refrigeration technology is in the development stage, and is considered to be one of the refrigeration modes most likely to replace the traditional gas compression due to the advantage of zero greenhouse effect potential (GWP). The principle of the solid-state refrigeration technology can be divided into the following parts based on different thermal effects: magnetocaloric, electrothermal, elastothermic, and barothermic effects. The performance of the solid phase-change refrigeration material is greatly different from that of the liquid refrigerant, and the solid phase-change refrigeration material becomes one of the bottlenecks limiting the application of the technology.
The pressure-card refrigeration effect is wider in material selection, and scientists recently find that the highest isothermal entropy change of the pressure-card refrigeration effect in the plastic crystal material can reach 687J kg-1K-1Compared with the traditional solid refrigeration material, the solid refrigeration material is higher by one order of magnitude, is close to the traditional commercial liquid refrigerant, is convenient to realize the driving condition, is easy to obtain the material, has low price and is convenient to realize and apply. In this technique, when pressure is applied to or removed from the plastic crystal material, the material absorbs or releases heat due to phase change, so as to perform a cooling or heating effect by exchanging heat with the load, which is called a pressure heating effect. The thermodynamic cycle process of the autoclaving effect is identical to the inverse carnot cycle. Based on the above-mentioned generation of materials with a higher isothermal entropy change at room temperature, the development of corresponding refrigeration equipment is required.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a room-temperature pressure card refrigerating machine based on a pressure-heat effect, which is based on the pressure-card heat effect principle, utilizes the characteristics of heat absorption, temperature rise, pressure relief, temperature reduction and heat release after the pressure is applied to a pressure card material, utilizes a high-precision high-pressure injection pump to provide corresponding phase-change pressure conditions for the material under the room-temperature environment, can obtain cold and heat in a system, utilizes the through circulation of fluid in the system to bring the heat to a high-temperature heat source end, and brings the cold to a cold-end load end to complete the whole refrigerating cycle.
In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:
a room temperature pressure card refrigerator based on a pressure heat effect comprises a high-precision high-pressure electric injection pump, a pressure card element, a heat exchange fluid, a cold end heat exchanger and a hot end heat exchanger; wherein:
pressing the clamping element: the refrigerating device is a cylinder structure with a cylindrical cavity, solid refrigerating working media are filled in the cavity, a hot end liquid outlet pipe and a cold end liquid outlet pipe are arranged at the upper part of the side wall of the cylinder structure, a hot end liquid inlet pipe and a cold end liquid inlet pipe are arranged at the lower part of the side wall, and an oil inlet is arranged in the middle of the side wall; wherein: pressure control valves are arranged on the hot end liquid outlet pipe, the cold end liquid outlet pipe, the hot end liquid inlet pipe and the cold end liquid inlet pipe;
high-precision high-pressure electric injection pump: the pressure card element is used for providing constant pressure for the pressure card element; an oil injection pipe at the upper end of the injection pump is connected with an oil inlet in the pressing and clamping element and is used for injecting pressurizing oil into a cavity of the pressing and clamping element, and the pressurizing oil is simultaneously used as heat exchange fluid and is directly contacted with solid refrigeration working medium;
a hot end heat exchanger: the hot end liquid outlet pipe of the clamping element is connected with the liquid inlet of the hot end heat exchanger, and the liquid outlet of the hot end heat exchanger is connected with the hot end liquid inlet pipe of the clamping element, so that a heat exchange loop is formed;
a cold end heat exchanger: the cold junction drain pipe of pressing the card component is connected with the inlet of cold junction heat exchanger, and the liquid outlet of cold junction heat exchanger is connected with the cold junction feed liquor pipe of pressing the card component to form the heat exchange circuit.
The solid refrigeration working medium is carborane material and NaPF6、KPF6、NaSbF6Or KSbF6The working temperature of the solid refrigeration working medium is room temperature, and the applied driving pressure is 0.1 MPa-400 MPa. The heat exchange fluid is antiwear hydraulic oil.
The pressure clamping element is made of high-pressure-resistant stainless steel, the bottom of the cylinder structure is sealed, the top end of the cylinder structure is provided with a detachable cavity upper cover, and the solid refrigeration working medium is placed in the cylindrical cavity; the hot end liquid outlet pipe, the cold end liquid outlet pipe, the hot end liquid inlet pipe and the cold end liquid inlet pipe of the pressure clamping element are all provided with a sealing filter screen, so that the solid refrigeration working medium can be prevented from moving in position in the pressurizing process, and meanwhile, the phenomenon that scraps generated by collision among the solid refrigeration working medium flow away along with the fluid to block a pipeline can be avoided; the top end of the cylinder structure and the upper cover of the cavity are sealed by a rubber ring, so that the pressurizing oil is prevented from flowing out of the cylindrical cavity, and the whole pressing and clamping element is fixedly placed on a plane in the system operation process.
A hydraulic pump is further arranged on a hot end liquid outlet pipe of the pressing and clamping element, so that the heat exchange fluid in the pressing and clamping element flows into the hot end heat exchanger under the action of the hydraulic pump, and the heat exchange fluid in the hot end heat exchanger is pushed to flow into the pressing and clamping element and continues the circulation process; and a hydraulic pump is also arranged on a cold-end liquid outlet pipe of the pressing and clamping element, so that the heat exchange fluid in the pressing and clamping element flows into the cold-end heat exchanger under the action of the hydraulic pump, and the heat exchange fluid in the cold-end heat exchanger is pushed to flow into the pressing and clamping element and continues the circulation process.
The cold end heat exchanger comprises a cubic cavity I and a heat exchange pipeline I in the cavity I, wherein the heat exchange pipeline I is arranged in a U shape and is respectively connected with a liquid inlet and a liquid outlet of the cold end heat exchanger; a plurality of flat plate interlayers (articles to be refrigerated can be placed on the flat plate interlayers) are arranged in the cavity I, and the heat exchange pipeline I is arranged in the flat plate interlayers; and a temperature sensor is arranged at the top end of the cubic cavity I and used for feeding back the temperature in the cavity I to a control system in real time.
The hot end heat exchanger comprises a cubic cavity II and a heat exchange pipeline II in the cavity II, the heat exchange pipeline II is spirally arranged and is respectively connected with a liquid inlet and a liquid outlet of the hot end heat exchanger; the shell of the cavity II is designed into a hollow structure so as to facilitate internal heat exchange, and the top end of the cavity II is provided with a fan so as to facilitate the heat exchange between the hot end heat exchanger and air; and a temperature sensor is arranged at the top end of the cavity II and used for feeding back the temperature of the cavity II to the control system in real time.
The room temperature pressure card refrigerator also comprises an electric control cabinet, wherein the electric control cabinet comprises a PLC control module (control system), and a pressure control valve and a temperature sensor are electrically connected with the PLC control module; the electric control cabinet is used for controlling the opening and closing of the pressure control valve and flow regulation, and meanwhile, the temperature information of the heat exchange fluid in the pressure clamping element transmitted by the temperature sensor can be monitored in real time.
The utility model has the following advantages:
1. the refrigerator of the utility model generates the phenomena of pressurization, heat release and pressure relief and heat absorption through the pressure card working medium due to phase change under the action of a high-pressure injection pump, and the heat exchange fluid flows back and forth between the pressure card refrigerating working medium to exchange heat and cold.
2. The high-precision high-pressure electric injection pump provides pressure for the pressure card refrigeration cycle, and the pressure is output constantly. The pressurizing form is liquid pressure, the defect of uneven mechanical pressure transmission is well overcome, the pressurizing oil is simultaneously used as a heat exchange fluid and is directly contacted with a refrigeration working medium, heat and cold driven by pressure are directly brought into the heat exchangers at the hot end and the cold end to complete circulation, and heat loss is reduced.
3. The refrigerator is matched with the electric control cabinet, the pressure control valve and the temperature sensor, so that the pressure card refrigerator has the advantages of intelligent regulation, convenient operation and the like. When the heat exchange fluid in the refrigerator circulates in a pipeline under the driving of pressure, the temperature sensor and the pressure control valve transmit corresponding signals to the electric control cabinet to realize the real-time monitoring of temperature and pressure, the valve can be controlled to be opened and closed according to a set program, and a high-precision high-pressure electric injection pump is used for pressing and releasing the pressure clamping material (refrigeration working medium) in the pressure clamping element to generate a pressure-heat phenomenon so as to realize the refrigeration cycle process.
Drawings
Fig. 1 is a schematic view of the overall structure of a piezo-caloric refrigerator based on the piezothermal effect according to the present invention.
Fig. 2 is a schematic structural view of a high-precision high-pressure electric injection pump in the pressure card refrigerator of the present invention.
Fig. 3 is a schematic structural diagram of a pressure card element in the pressure card refrigerator of the present invention.
Fig. 4 is a schematic structural diagram of a cold-end heat exchanger in the pressure-card refrigerator of the present invention.
FIG. 5 is a schematic diagram of a heat exchanger at the middle heat end of the pressure card refrigerator according to the present invention.
Fig. 6 is a schematic structural view of an electric control cabinet in the pressure card refrigerator of the present invention.
In the figure: 1-an electric syringe pump; 101-an oil filling pipe; 2-a card pressing element; 201-upper cover of cavity; 202-cylindrical cavity; 203-cold end liquid outlet pipe; 204-cold end liquid inlet pipe; 205-an oil inlet; 206-hot end liquid inlet pipe; 207-hot end liquid outlet pipe; 3-cold end heat exchanger; 301-cold side heat exchanger liquid outlet; 302-heat exchange line i; 303-liquid inlet of cold end heat exchanger; 304-chamber i; 4-hot end heat exchanger; 401-cavity II; 402-heat exchange line ii; 403-a fan; 5-an electric control cabinet; 6-a pressure control valve; 7-temperature sensor.
Detailed Description
For a further understanding of the present invention, the following description is given in conjunction with the examples which are set forth to illustrate, but are not to be construed to limit the present invention, features and advantages.
The utility model provides a room temperature and pressure card refrigerator based on a pressure-heat effect, which is shown in figure 1. The pressure clamp refrigerator comprises a high-precision high-pressure electric injection pump 1, a pressure clamp element 2, a heat exchange fluid, a cold end heat exchanger 3 and a hot end heat exchanger 4; the structure of each part is as follows:
as shown in fig. 2, the high precision high pressure electric syringe pump (HP 350A, beijing yijie materials science and technology ltd) is used to provide a constant pressure for the card pressing element 2; the oil injection pipe 101 at the upper end of the electric injection pump 1 is connected with an oil inlet 205 in the clamping element and is used for injecting pressurized oil into the cavity of the clamping element;
as shown in fig. 3, the pressure-clamping element is a cylinder structure having a cylindrical cavity 202, solid refrigeration working medium is filled in the cavity, a hot-end liquid outlet pipe 207 and a cold-end liquid outlet pipe 203 are arranged on the upper portion of the side wall of the cylinder structure, a hot-end liquid inlet pipe 206 and a cold-end liquid inlet pipe 204 are arranged on the lower portion of the side wall of the cylinder structure, an oil inlet 205 is arranged in the middle of the side wall, and the pressurized oil injected from the oil inlet is simultaneously used as heat exchange fluid and is in direct contact with the solid refrigeration working medium. The hot end liquid outlet pipe, the cold end liquid outlet pipe, the hot end liquid inlet pipe and the cold end liquid inlet pipe are respectively provided with a pressure control valve 6 for controlling the opening and closing of the fluid and the flow regulation of the fluid; the pressure clamping element is made of high-pressure-resistant stainless steel, the bottom of the cylinder structure is sealed, the top end of the cylinder structure is provided with a detachable cavity upper cover 201, and the top end of the cylinder structure and the cavity upper cover 201 are sealed by a rubber ring to prevent oil for pressurization from flowing out of the cylindrical cavity 202; the hot end liquid outlet pipe, the cold end liquid outlet pipe, the hot end liquid inlet pipe and the cold end liquid inlet pipe of the pressure clamping element are all provided with a sealing filter screen, so that the solid refrigeration working medium can be prevented from moving in position in the pressurizing process, and meanwhile, the phenomenon that scraps generated by collision among the solid refrigeration working medium flow away along with the fluid to block a pipeline can be avoided; during the operation of the system, the whole card pressing element is fixedly arranged on a horizontal plane. A hydraulic pump is arranged on a hot end liquid outlet pipe of the pressing and clamping element, so that the heat exchange fluid in the pressing and clamping element flows into the hot end heat exchanger under the action of the hydraulic pump, and the heat exchange fluid in the hot end heat exchanger is pushed to flow into the pressing and clamping element and continues the circulation process; and a hydraulic pump is arranged on a cold-end liquid outlet pipe of the pressing and clamping element, so that the heat exchange fluid in the pressing and clamping element flows into the cold-end heat exchanger under the action of the hydraulic pump, and the heat exchange fluid in the cold-end heat exchanger is pushed to flow into the pressing and clamping element and continues the circulation process.
As shown in fig. 4, the cold end heat exchanger 3 includes a cubic cavity i 304 and a heat exchange pipeline i 302 in the cavity i, the heat exchange pipeline i 302 is arranged in a U shape, the heat exchange pipeline i is respectively connected with a cold end heat exchanger liquid inlet 303 and a cold end heat exchanger liquid outlet 301, and the cold end heat exchanger liquid inlet 303 and the cold end heat exchanger liquid outlet 301 are respectively communicated with a cold end liquid outlet pipe and a cold end liquid inlet pipe of the pressure clamping element, so as to form a heat exchange loop. A plurality of flat plate interlayers (articles to be refrigerated can be placed on the flat plate interlayers) are arranged in the cavity I, and the heat exchange pipeline I is arranged in the flat plate interlayers; and a temperature sensor 7 is arranged at the top end of the cubic cavity I and used for feeding back the temperature in the cavity I to a control system in real time.
As shown in fig. 5, the hot-end heat exchanger 4 includes a cubic cavity ii 401 and a heat exchange pipeline ii 402 in the cavity ii, the heat exchange pipeline ii is spirally arranged, the heat exchange pipeline ii is respectively connected to a liquid inlet and a liquid outlet of the hot-end heat exchanger, and the liquid inlet and the liquid outlet are respectively connected to a hot-end liquid outlet pipe and a hot-end liquid inlet pipe of the pressure-clamping element, so as to form a heat exchange loop; the shell of the cavity II is designed into a hollow structure so as to facilitate internal heat exchange, and the top end of the cavity II is provided with a fan 403 so as to facilitate the heat exchange between the hot-end heat exchanger and air; and a temperature sensor is arranged at the top end of the cavity II and used for feeding back the temperature of the cavity II to the control system in real time.
The room temperature pressure card refrigerator also comprises an electric control cabinet 5, wherein the electric control cabinet comprises a PLC control module (control system), and a pressure control valve 6 and a temperature sensor 7 are electrically connected with the PLC control module; the electric control cabinet is used for controlling the opening and closing of the pressure control valve and flow regulation, and meanwhile, the temperature information of the heat exchange fluid in the pressure clamping element transmitted by the temperature sensor can be monitored in real time.
The solid refrigeration working medium adopts a material which can realize the refrigeration effect based on the pressure-clamping effect under the normal temperature condition, such as carborane material and NaPF (NaPF) which are preferred6、KPF6、NaSbF6Or KSbF6The working temperature is room temperature, and the applied driving pressure is 0.1 MPa-400 MPa; the heat exchange fluid used is antiwear hydraulic oil.
The working process of the pressure card refrigerator is as follows:
and setting the driving pressure value of the high-precision high-pressure injection pump 1 according to the driving pressure and the refrigerating interval of the used solid refrigerating working medium under the normal temperature condition. An oil injection pipe 11 at the upper part of the high-precision high-pressure injection pump 1 pumps normal-temperature heat exchange fluid into the pressure clamping element 2, the hot end heat exchanger 3 and the cold end heat exchanger 4 to an oil inlet 25 of the pressure clamping element until all the refrigeration working media in the pressure clamping element are covered by the heat exchange fluid.
When the circulation is started, the pressure control valve between the pressure clamping element 2 and the hot end heat exchanger 3 and the cold end heat exchanger 4 is firstly closed, the high-pressure precise injection pump is used for pressurizing the refrigerating working medium in the pressure clamping element 2 until the phase change pressure is reached, the phase change temperature rise of the pressure clamping material occurs at the moment, the heat exchange fluid in the pressure clamping element 2 exchanges heat with the refrigerating working medium, the temperature rises, after the heat exchange is completed, the fluid temperature in the whole cavity rises to be unchanged, a pressure control valve 6 between the pressure clamping element 2 and the hot end heat exchanger 3 is opened, then a liquid pump connected between the pressure clamping element 2 and the hot end heat exchanger 3 is opened, so that the high-temperature fluid in the pressure clamping element 2 flows into the hot end heat exchanger 3 under the action of the pump, the heat exchange with the external environment is carried out under the action of the top end fan, and the normal temperature fluid in the hot end heat exchanger 3 is pushed to flow into the clamping element 2. The circulation process is continued until the temperatures of the fluids in the two cavities are consistent, and the temperature is returned to the room temperature.
At the moment, a pressure control valve between the pressure clamping element 2 and the hot end heat exchanger 3 is closed, the pressure in the pressure clamping element 2 is reduced to the normal pressure by the high-precision high-pressure injection pump 1, the heat absorption temperature is reduced after the pressure clamping material is relieved, after heat exchange is finished, the temperature of fluid in the whole cavity is reduced to be unchanged, the pressure control valve connected between the pressure clamping element 2 and the cold end heat exchanger is opened, a liquid pump connected between the pressure clamping element 2 and the cold end heat exchanger 4 is opened, so that the low-temperature fluid in the pressure clamping element 2 flows into the cold end heat exchanger 4 under the action of the pump, the cold energy is transferred to a load (an object placed on a flat interlayer), and the normal-temperature fluid in the cold end heat exchanger 4 flows into the pressure clamping element 2, and the process is circulated until the temperatures at two ends are recovered to the ambient temperature. The left and right ends of the heat exchange cycle continuously and alternately operate, and the temperature of the cold end load can be continuously reduced to know that the expected cooling temperature is reached.
Claims (8)
1. A room temperature pressure card refrigerator based on the pressure thermal effect is characterized in that: the pressure clamp refrigerator comprises a high-precision high-pressure electric injection pump, a pressure clamp element, a heat exchange fluid, a cold end heat exchanger and a hot end heat exchanger; wherein:
pressing the clamping element: the refrigerating device is a cylinder structure with a cylindrical cavity, solid refrigerating working media are filled in the cavity, a hot end liquid outlet pipe and a cold end liquid outlet pipe are arranged at the upper part of the side wall of the cylinder structure, a hot end liquid inlet pipe and a cold end liquid inlet pipe are arranged at the lower part of the side wall, and an oil inlet is arranged in the middle of the side wall; wherein: pressure control valves are arranged on the hot end liquid outlet pipe, the cold end liquid outlet pipe, the hot end liquid inlet pipe and the cold end liquid inlet pipe;
high-precision high-pressure electric injection pump: the pressure card element is used for providing constant pressure for the pressure card element; an oil injection pipe at the upper end of the injection pump is connected with an oil inlet in the pressing and clamping element and is used for injecting pressurizing oil into a cavity of the pressing and clamping element, and the pressurizing oil is simultaneously used as heat exchange fluid and is directly contacted with solid refrigeration working medium;
a hot end heat exchanger: the hot end liquid outlet pipe of the clamping element is connected with the liquid inlet of the hot end heat exchanger, and the liquid outlet of the hot end heat exchanger is connected with the hot end liquid inlet pipe of the clamping element, so that a heat exchange loop is formed;
a cold end heat exchanger: the cold junction drain pipe of pressing the card component is connected with the inlet of cold junction heat exchanger, and the liquid outlet of cold junction heat exchanger is connected with the cold junction feed liquor pipe of pressing the card component to form the heat exchange circuit.
2. The thermo-compression effect based room temperature and pressure refrigerator according to claim 1, wherein: the solid refrigeration working medium is carborane material and NaPF6、KPF6、NaSbF6Or KSbF6The working temperature of the solid refrigeration working medium is room temperature, and the applied driving pressure is 0.1 MPa-400 MPa.
3. The thermo-compression effect based room temperature and pressure refrigerator according to claim 1, wherein: the pressure clamping element is made of high-pressure-resistant stainless steel, the bottom of the cylinder structure is sealed, the top end of the cylinder structure is provided with a detachable cavity upper cover, and the solid refrigeration working medium is placed in the cylindrical cavity; the hot end liquid outlet pipe, the cold end liquid outlet pipe, the hot end liquid inlet pipe and the cold end liquid inlet pipe of the pressure clamping element are all provided with a sealing filter screen, so that the solid refrigeration working medium can be prevented from moving in position in the pressurizing process, and meanwhile, the phenomenon that scraps generated by collision among the solid refrigeration working medium flow away along with the fluid to block a pipeline can be avoided; the top end of the cylinder structure and the upper cover of the cavity are sealed by a rubber ring, so that the pressurizing oil is prevented from flowing out of the cylindrical cavity, and the whole pressing and clamping element is fixedly placed on a plane in the system operation process.
4. The thermo-compression effect based room temperature and pressure refrigerator according to claim 1, wherein: a hydraulic pump is arranged on a hot end liquid outlet pipe of the pressing and clamping element, so that the heat exchange fluid in the pressing and clamping element flows into the hot end heat exchanger under the action of the hydraulic pump, and the heat exchange fluid in the hot end heat exchanger is pushed to flow into the pressing and clamping element and continues the circulation process; and a hydraulic pump is arranged on a cold-end liquid outlet pipe of the pressing and clamping element, so that the heat exchange fluid in the pressing and clamping element flows into the cold-end heat exchanger under the action of the hydraulic pump, and the heat exchange fluid in the cold-end heat exchanger is pushed to flow into the pressing and clamping element and continues the circulation process.
5. The thermo-compression effect based room temperature and pressure refrigerator according to claim 1, wherein: the cold end heat exchanger comprises a cubic cavity I and a heat exchange pipeline I in the cavity I, wherein the heat exchange pipeline I is arranged in a U shape and is respectively connected with a liquid inlet and a liquid outlet of the cold end heat exchanger; a plurality of flat plate interlayers are arranged in the cavity I, and the heat exchange pipelines I are distributed in the flat plate interlayers; and a temperature sensor is arranged at the top end of the cubic cavity I and used for feeding back the temperature in the cavity I to a control system in real time.
6. The thermo-compression effect based room temperature and pressure refrigerator according to claim 1, wherein: the hot end heat exchanger comprises a cubic cavity II and a heat exchange pipeline II in the cavity II, the heat exchange pipeline II is spirally arranged and is respectively connected with a liquid inlet and a liquid outlet of the hot end heat exchanger; the shell of the cavity II is designed into a hollow structure so as to facilitate internal heat exchange, and the top end of the cavity II is provided with a fan so as to facilitate the heat exchange between the hot end heat exchanger and air; and a temperature sensor is arranged at the top end of the cavity II and used for feeding back the temperature of the cavity II to the control system in real time.
7. A room temperature and pressure card refrigerator based on the autoclaving effect as set forth in claim 5 or 6, wherein: the room temperature pressure card refrigerator also comprises an electric control cabinet, the electric control cabinet comprises a PLC control module, and a pressure control valve is electrically connected with a temperature sensor and the PLC control module; the electric control cabinet is used for controlling the opening and closing of the pressure control valve and flow regulation, and meanwhile, the temperature information of the heat exchange fluid in the pressure clamping element transmitted by the temperature sensor can be monitored in real time.
8. The thermo-compression effect based room temperature and pressure refrigerator according to claim 1, wherein: the heat exchange fluid is antiwear hydraulic oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121800830.4U CN216432150U (en) | 2021-08-04 | 2021-08-04 | Room temperature pressure card refrigerator based on pressure thermal effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121800830.4U CN216432150U (en) | 2021-08-04 | 2021-08-04 | Room temperature pressure card refrigerator based on pressure thermal effect |
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| Publication Number | Publication Date |
|---|---|
| CN216432150U true CN216432150U (en) | 2022-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121800830.4U Active CN216432150U (en) | 2021-08-04 | 2021-08-04 | Room temperature pressure card refrigerator based on pressure thermal effect |
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2021
- 2021-08-04 CN CN202121800830.4U patent/CN216432150U/en active Active
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