Solid-state pressing and clamping refrigeration system and method based on non-azeotropic working medium self-adaptive heat pipe

Abstract

The invention relates to the technical field of heat pipes and refrigeration, in particular to a solid-state pressing and clamping refrigeration system and method based on a non-azeotropic working medium self-adaptive heat pipe, and the system comprises solid-state pressing and clamping equipment and a heat exchange fluid pipe network connected with the solid-state pressing and clamping equipment; the solid pressing and clamping equipment comprises capillary heat pipes, a compression cavity and a pressing head, the compression cavity is filled with a pressing and clamping material, a plurality of capillary heat pipes are uniformly distributed in the pressing and clamping material, the pressing head is arranged above the pressing and clamping material, and the tops of the plurality of capillary heat pipes extend into the pressing head; the pressing head can periodically load / unload the pressing and clamping material, the pressing and clamping material generates heat / cold energy, and the generated heat / cold energy is extracted through the capillary heat pipe and transmitted to the heat exchange fluid pipe network. The heat pipe technology is applied to the solid-state pressing and clamping refrigeration system, the core problems of low heat exchange efficiency, serious heat lag and the like in the solid-state pressing and clamping refrigeration technology are remarkably solved, the operation period of the system is shortened, the refrigeration cycle efficiency and stability are remarkably improved, and the refrigerating capacity of the system is improved.

Description

Technical Field

[0001] The present invention relates to the field of heat pipe and refrigeration technology, and in particular to a solid-state compression card refrigeration system and method based on a non-azeotropic working fluid adaptive heat pipe. Background Art

[0002] As a new type of solid-state refrigeration technology, solid-state compression card refrigeration technology has attracted much attention in recent years due to its environmental protection, high efficiency and low energy consumption. Its core principle is to utilize the pressure-heat effect accompanied by the reversible phase change of the material during stress loading / unloading, and to absorb and release heat through the entropy change of the material itself. However, in practical applications, the stress loading / unloading rate needs to be synchronized with the material phase change rate and heat exchange rate, otherwise the thermal hysteresis effect will be aggravated. For example, during high-frequency cycles, the heat inside the material may not be able to be discharged in time, resulting in a decrease in the temperature change amplitude. At the same time, the contact thermal resistance between the material and the heat exchange structure will also significantly reduce the heat transfer efficiency. The heat exchange efficiency is one of the key bottlenecks restricting its performance improvement and practical application.

[0003] Heat pipes are an ideal choice for enhancing heat exchange due to their ultra-high thermal conductivity, temperature uniformity, passive operation and compact design. Heat pipe technology uses the phase change cycle of the working fluid absorbing heat and evaporating in the evaporation section and releasing heat and condensing in the condensation section to transfer heat through latent heat. The latent heat transfer capacity of the phase change process is much higher than that of simple heat conduction or convection. However, ordinary heat pipes are affected by the installation direction and can only transfer heat in one direction, which cannot match the alternating hot and cold transformation of the solid-state compression card system during loading / unloading. This application uses a tube core with a capillary structure and a non-azeotropic mixed working fluid with temperature glide characteristics to develop a heat pipe that can transfer heat in both directions to adapt to the alternating hot and cold transformation of the solid-state compression card system during loading / unloading, providing a new method for improving the heat exchange efficiency of compression card refrigeration technology. It is expected to solve the problem of low heat exchange efficiency in the solid-state compression card system, shorten the system operation cycle, improve the refrigeration cycle efficiency of the solid-state compression card refrigeration system, and increase the system cooling capacity. Summary of the invention

[0004] The purpose of the present invention is to solve the shortcomings existing in the prior art, and to propose a solid-state compression card refrigeration system and method based on a non-azeotropic working fluid adaptive heat pipe, which can shorten the operation cycle of the system, significantly improve the efficiency and stability of the refrigeration cycle, and increase the cooling capacity of the system.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions: A solid-state compression card refrigeration system based on a non-azeotropic working fluid adaptive heat pipe, comprising a solid-state compression card device and a heat exchange fluid pipe network connected to the solid-state compression card device; The solid-state pressing device comprises a capillary heat pipe, a compression chamber and a pressing head, wherein the compression chamber is filled with a pressing material, and a plurality of capillary heat pipes are evenly distributed in the pressing material, the pressing head is arranged above the pressing material, and the tops of the plurality of capillary heat pipes extend into the pressing head; The pressure head can periodically load / unload the pressing material, and the pressing material generates heat / cold, which is extracted and transmitted to the heat exchange fluid network through the capillary heat pipe; The heat exchange fluid pipeline network includes a hot fluid pipeline and a cold fluid pipeline. The heat exchange fluid in the heat exchange fluid pipeline network can flow alternately between the hot fluid pipeline and the cold fluid pipeline.

[0006] Preferably, the heat extraction fluid pipeline includes a first three-way valve, a second three-way valve, a second butterfly valve, a high-temperature liquid storage tank, a second circulation pump and a high-temperature heat exchanger; the outlet of the solid-state pressing device is connected to the inlet of the first three-way valve, the second outlet of the first three-way valve is connected to the inlet of the second butterfly valve, the outlet of the second butterfly valve is connected to the inlet of the high-temperature liquid storage tank, the outlet of the high-temperature liquid storage tank is connected to the inlet of the second circulation pump, the outlet of the second circulation pump is connected to the inlet of the high-temperature heat exchanger, the outlet of the high-temperature heat exchanger is connected to the second inlet of the second three-way valve, and the outlet of the second three-way valve is connected to the inlet of the solid-state pressing device.

[0007] Preferably, the cold fluid pipeline includes a first three-way valve, a first butterfly valve, a low-temperature liquid storage tank, a first circulating pump, a low-temperature heat exchanger and a second three-way valve; the outlet of the solid-state pressing device is connected to the inlet of the first three-way valve, the first outlet of the first three-way valve is connected to the inlet of the first butterfly valve, the outlet of the first butterfly valve is connected to the inlet of the low-temperature liquid storage tank, the outlet of the low-temperature liquid storage tank is connected to the inlet of the first circulating pump, the outlet of the first circulating pump is connected to the inlet of the low-temperature heat exchanger, the outlet of the low-temperature heat exchanger is connected to the first inlet of the second three-way valve, and the outlet of the second three-way valve is connected to the inlet of the solid-state pressing device.

[0008] Preferably, the capillary heat pipe comprises a non-azeotropic working fluid, a tube core and a tube shell; the tube core with a capillary structure is arranged on the inner wall of the tube shell, and the tube core is filled with the non-azeotropic working fluid.

[0009] Preferably, the non-azeotropic working fluid includes but is not limited to non-azeotropic mixed working fluids such as R290 / R1234ze (E) and R134a / R1234ze (E) that can undergo temperature glide within a temperature range.

[0010] The present invention also provides a solid-state compression card refrigeration method based on a non-azeotropic working fluid adaptive heat pipe. The refrigeration method is implemented by using the above-mentioned solid-state compression card refrigeration system based on a non-azeotropic working fluid adaptive heat pipe, and comprises the following steps: Heat extraction process: When the pressure head compresses the card material, the card material releases heat, the temperature rises, and the capillary heat pipe transfers the generated heat. The first butterfly valve is closed, the second butterfly valve is opened, and the second circulation pump is started. The heat exchange fluid flows over the pressure head to absorb the heat transferred by the capillary heat pipe, and then flows through the first three-way valve, the second butterfly valve, the high-temperature liquid storage tank, the second circulation pump, and the high-temperature heat exchanger to release the heat and flow back to the solid-state card pressing device; Cooling process: When the pressure head releases the pressure, the compression material absorbs heat when it expands, the temperature drops, and the capillary heat pipe transmits the generated cold. The second butterfly valve is closed, the first butterfly valve is opened, the first circulation pump is started, and the heat exchange fluid flows over the pressure head to absorb the cold transmitted by the capillary heat pipe. Then, it flows through the first three-way valve, the first butterfly valve, the low-temperature liquid storage tank, the first circulation pump, and the low-temperature heat exchanger to release the cold and flow back to the solid-state compression equipment.

[0011] Preferably, it also includes: Heat extraction process: The bottom of the capillary heat pipe is the hot end (evaporation end), and the upper part is the cold end (condensation end); the hot end core absorbs liquid working fluid, and the temperature rises due to the compression and heat release of the compression material. Under the heating of the compression material, the low boiling point component A evaporates first, and then the high boiling point component B also begins to evaporate. At this time, the concentration of A in the steam is relatively high; as the evaporation continues, the proportion of high boiling point component B in the liquid working fluid increases, and the evaporation temperature of the non-azeotropic working fluid gradually increases to the highest temperature of the hot end; due to the continuous evaporation of the liquid working fluid, the pressure at the hot end increases, and the high-pressure steam generated by evaporation flows to the cold end with lower pressure driven by the pressure; when the steam reaches the cold end, the high boiling point component B condenses first due to the decrease in temperature, releasing latent heat, and a part of the low boiling point component A is retained in the gaseous state, and a part of the low boiling point component A begins to condense slowly. The concentration of A in the remaining steam increases, and a lower temperature is required for complete condensation. The condensed liquid working fluid flows back to the hot end through the core to replenish the liquid working fluid consumed by evaporation; Cooling process: The hot and cold ends of the capillary heat pipe are reversed, the original cold end becomes the hot end (evaporation end), and the original hot end becomes the cold end (condensation end); due to the expansion of the compression material to generate cold energy, the temperature of the original hot end drops sharply and becomes the cold end. Due to the temperature drop, the liquid working medium no longer continues to evaporate, but absorbs cold energy and condenses, and the pressure decreases; the temperature of the original cold end remains unchanged, and the previously evaporated steam continues to condense and liquefy. After most of the high-boiling point component B is condensed, the steam is rich in low-boiling point component A. Due to the lower pressure below, the steam rich in low-boiling point component A flows to the new cold end for condensation. After condensation, the liquid working medium overcomes gravity and flows to the new hot end through the tube core with a capillary structure; at the new hot end, due to the lower temperature, the low-boiling point component A evaporates first The high-boiling-point component B evaporates, and then part of the high-boiling-point component B evaporates, and the concentration of the low-boiling-point component A in the steam increases; as the low-boiling-point component A evaporates, the proportion of the high-boiling-point component B in the liquid working fluid increases, the evaporation temperature gradually rises to the current upper limit of the hot end temperature, and the steam pressure gradually increases; as the liquid working fluid continues to evaporate, the pressure of the new hot end increases, and the high-pressure steam generated by evaporation flows to the new cold end with a lower pressure driven by the pressure; since the temperature of the new cold end is lower than the condensation temperature of all components, the high-boiling-point component B in the steam flowing to the new cold end is condensed and liquefied first, and then the low-boiling-point component A is also condensed and liquefied at a low temperature; the condensed liquid working fluid overcomes gravity and flows back to the new hot end through the tube core to replenish the working fluid consumed by evaporation to form a reverse cycle; After the cooling process is completed, the compression material is loaded again to release heat, the material temperature rises, the hot and cold ends are reversed again, the non-azeotropic working fluid is redistributed again, and the above heat removal process is repeated.

[0012] By adopting the above technical solution: utilizing the high heat transfer efficiency of the heat pipe to enhance the heat exchange efficiency of the card pressing system; utilizing the temperature glide characteristics of the mixed non-azeotropic working fluid and the symmetrical capillary structure in the heat pipe to dynamically switch the evaporation end and the condensation end when the hot and cold ends alternate, and driving the steam flow and capillary reflux through the pressure difference to achieve efficient heat transfer. This characteristic can quickly match the hot and cold alternation of the card pressing material during the loading / unloading process, and quickly export the generated heat / cold.

[0013] Compared with the prior art, the present invention has the following beneficial effects: 1. The present invention uses heat pipe technology to enhance heat exchange in the solid-state compression card refrigeration system, thereby improving the heat exchange efficiency of the solid-state compression card system, shortening the system operation cycle, and increasing the cooling capacity of the system.

[0014] 2. The heat exchange medium used in the heat pipe of the present invention is a non-azeotropic mixed medium with temperature glide characteristics, which can more flexibly match the temperature change of the compression material during rapid loading / unloading.

[0015] 3. The capillary heat pipe used in the present invention relies on capillary action and steam pressure difference to drive the working medium circulation, and the system is simple and reliable.

[0016] 4. The heat pipe used in the present invention can achieve steady-state heat transfer within a few seconds. The rapid response characteristics of the heat pipe can match the stress loading / unloading frequency of the compression material and reduce heat accumulation. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the refrigeration system of the present invention; Figure 2 It is a schematic diagram of the working state of the refrigeration system of the present invention; wherein, Figure 2 a is a schematic diagram of the heat extraction process of the refrigeration system; Figure 2 b is a schematic diagram of the cooling process of the refrigeration system; Figure 3 This is the Ts diagram of the non-azeotropic working fluid in the capillary heat pipe of the present invention.

[0018] In the figure: 1-solid state card pressing device, 2-first three-way valve, 3-first butterfly valve, 4-low temperature liquid storage tank, 5-first circulation pump, 6-low temperature heat exchanger, 7-second three-way valve, 8-second butterfly valve, 9-high temperature liquid storage tank, 10-second circulation pump, 11-high temperature heat exchanger; Capillary heat pipe, 1-2-compression chamber, 1-3-pressure head, 1-4-pressure card material; 1-1-1-non-azeotropic working fluid, 1-1-2-tube core, 1-1-3-tube shell. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings, so that those skilled in the art can better understand the advantages and features of the present invention, thereby making a clearer definition of the protection scope of the present invention. The embodiments described in the present invention are only a part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in the field without making creative work are within the scope of protection of the present invention.

[0020] Reference Figure 1 , a solid-state compression card refrigeration system based on a non-azeotropic working fluid adaptive heat pipe, comprising a solid-state compression card device 1, and a heat exchange fluid pipe network connected to the solid-state compression card device 1; The solid-state pressing device 1 comprises a capillary heat pipe 1-1, a compression chamber 1-2 and a pressing head 1-3, the compression chamber 1-2 is filled with a pressing material 1-4, and a plurality of capillary heat pipes 1-1 are evenly distributed in the pressing material 1-4, the pressing head 1-3 is arranged above the pressing material 1-4, and the tops of the plurality of capillary heat pipes 1-1 extend into the pressing head 1-3; The press head 1-3 can periodically load / unload the pressing material 1-4, and the pressing material 1-4 generates heat / cold, and the generated heat / cold is extracted and transmitted to the heat exchange fluid network through the capillary heat pipe 1-1; The heat exchange fluid pipeline network includes a hot fluid pipeline and a cold fluid pipeline. The heat exchange fluid in the heat exchange fluid pipeline network can flow alternately between the hot fluid pipeline and the cold fluid pipeline.

[0021] In this embodiment, the heat exchange fluid pipeline network is controlled by switching the valve. When the compression material 1-4 in the compression chamber 1-2 is compressed to generate heat, the heat is extracted by the capillary heat pipe 1-1, the hot fluid pipeline is opened and the cold fluid pipeline is closed, and the heat generated is recovered by the heat-taking fluid in the hot fluid pipeline; when the compression material 1-4 in the compression chamber 1-2 expands to generate cold, the heat is extracted by the capillary heat pipe 1-1, the cold fluid pipeline is opened and the hot fluid pipeline is closed, and the cold generated is recovered by the cold fluid in the cold fluid pipeline.

[0022] Specifically, the capillary heat pipe 1-1 includes a non-azeotropic working fluid 1-1-1, a tube core 1-1-2 and a tube shell 1-1-3; the inner wall of the tube shell 1-1-3 is provided with a tube core 1-1-2 with a capillary structure, and the tube core 1-1-2 is filled with the non-azeotropic working fluid 1-1-1.

[0023] The non-azeotropic working fluid 1-1-1 includes but is not limited to non-azeotropic mixed working fluids such as R290 / R1234ze (E) and R134a / R1234ze (E) which can undergo temperature glide within a temperature range.

[0024] In this embodiment, the capillary heat pipe 1-1 utilizes the temperature glide characteristics of the non-azeotropic working fluid 1-1-1 and the capillary structure of the tube core 1-1-2 to dynamically switch the evaporation end and the condensation end when the hot and cold ends alternate, and drives the steam flow through the pressure difference and drives the liquid flow through gravity and capillary reflux to achieve efficient heat transfer. The heat pipe can adapt to dynamically changing temperature fields and is suitable for such a compression card system that requires frequent switching of the heat flow direction.

[0025] In the above embodiment, the heat extraction fluid pipeline mainly extracts the heat generated by the compression of the card pressing materials 1-4 and supplies it to the user. Figure 2As shown in a, the heat extraction fluid pipeline includes a first three-way valve 2, a second three-way valve 7, a second butterfly valve 8, a high-temperature liquid storage tank 9, a second circulation pump 10 and a high-temperature heat exchanger 11; the outlet of the solid-state pressing device 1 is connected to the inlet of the first three-way valve 2, the second outlet of the first three-way valve 2 is connected to the inlet of the second butterfly valve 8, the outlet of the second butterfly valve 8 is connected to the inlet of the high-temperature liquid storage tank 9, the outlet of the high-temperature liquid storage tank 9 is connected to the inlet of the second circulation pump 10, the outlet of the second circulation pump 10 is connected to the inlet of the high-temperature heat exchanger 11, the outlet of the high-temperature heat exchanger 11 is connected to the second inlet of the second three-way valve 7, and the outlet of the second three-way valve 7 is connected to the inlet of the solid-state pressing device 1.

[0026] In the above embodiment, the cold fluid pipeline mainly extracts the cold energy generated by the expansion of the compression materials 1-4 and supplies it to the user. Figure 2 As shown in b, the cold fluid pipeline includes a first three-way valve 2, a first butterfly valve 3, a low-temperature liquid storage tank 4, a first circulating pump 5, a low-temperature heat exchanger 6 and a second three-way valve 7; the outlet of the solid-state card pressing device 1 is connected to the inlet of the first three-way valve 2, the first outlet of the first three-way valve 2 is connected to the inlet of the first butterfly valve 3, the outlet of the first butterfly valve 3 is connected to the inlet of the low-temperature liquid storage tank 4, the outlet of the low-temperature liquid storage tank 4 is connected to the inlet of the first circulating pump 5, the outlet of the first circulating pump 5 is connected to the inlet of the low-temperature heat exchanger 6, the outlet of the low-temperature heat exchanger 6 is connected to the first inlet of the second three-way valve 7, and the outlet of the second three-way valve 7 is connected to the inlet of the solid-state card pressing device 1.

[0027] A solid-state compression card refrigeration method based on a non-azeotropic working fluid adaptive heat pipe, the refrigeration method is implemented by using the above-mentioned solid-state compression card refrigeration system based on a non-azeotropic working fluid adaptive heat pipe, and comprises the following steps: like Figure 2 As shown in a, the heat extraction process: when the pressure head 1-3 compresses the card pressing material 1-4, the card pressing material 1-4 releases heat, the temperature rises, and the capillary heat pipe 1-1 transfers the generated heat, the first butterfly valve 3 is closed, the second butterfly valve 8 is opened, and the second circulation pump 10 is started. The heat exchange fluid flows through the top of the pressure head 1-3 to absorb the heat transferred from the capillary heat pipe 1-1, and then flows through the first three-way valve 2, the second butterfly valve 8, the high-temperature liquid storage tank 9, the second circulation pump 10, and the high-temperature heat exchanger 11 to release the heat and flow back to the solid-state card pressing device 1.

[0028] Specifically, Figure 2As shown in a, the bottom of the capillary heat pipe 1-1 is the hot end (evaporation end), and the top is the cold end (condensation end); the hot end core 1-1-2 absorbs the liquid working fluid, and the temperature rises due to the compression and heat release of the compression material 1-4. Under the heating of the compression material 1-4, the low-boiling point component A evaporates first, followed by the high-boiling point component B. At this time, the concentration of A in the steam is relatively high. As the evaporation continues, the proportion of the high-boiling point component B in the liquid working fluid increases, and the evaporation temperature of the non-azeotropic working fluid 1-1-1 gradually increases to the highest temperature of the hot end. As the liquid working fluid continues to evaporate, the pressure at the hot end increases, and the high-pressure steam generated by evaporation flows to the cold end with lower pressure driven by the pressure. When the steam reaches the cold end, the high-boiling-point component B condenses first due to the decrease in temperature, releasing latent heat. A part of the low-boiling-point component A is retained in the gaseous state, and a part of the low-boiling-point component A begins to condense slowly. The concentration of A in the remaining steam increases, and a lower temperature is required for complete condensation. The condensed liquid working fluid flows back to the hot end through the tube core 1-1-2 to replenish the liquid working fluid consumed by evaporation.

[0029] like Figure 2 As shown in b, the cooling process: when the pressure head 1-3 releases the pressure, the compression material 1-4 absorbs heat when it expands, the temperature drops, and the capillary heat pipe 1-1 transmits the generated cold, the second butterfly valve 8 is closed, the first butterfly valve 3 is opened, the first circulation pump 5 is started, and the heat exchange fluid flows through the top of the pressure head 1-3 to absorb the cold transmitted by the capillary heat pipe 1-1, and then flows through the first three-way valve 2, the first butterfly valve 3, the low-temperature liquid storage tank 4, the first circulation pump 5, and the low-temperature heat exchanger 6 to release the cold and flow back to the solid-state compression device 1.

[0030] Specifically, Figure 2As shown in b, the hot and cold ends of the capillary heat pipe 1-1 are reversed, the original cold end becomes the hot end (evaporation end), and the original hot end becomes the cold end (condensation end); due to the expansion of the compression material 1-4 to generate cold, the material temperature drops, and the original hot end temperature drops sharply to become the cold end. At this time, due to the temperature drop, the liquid working medium cannot continue to evaporate, resulting in a decrease in steam concentration and pressure. The original cold end maintains the same temperature, the previously evaporated steam continues to condense and liquefy, and the low-boiling component A slowly condenses. At this time, the steam is rich in low-boiling component A. Since the bottom no longer evaporates, there is a pressure difference. The steam rich in low-boiling component A flows to the new cold end for condensation. After condensation, the liquid working medium overcomes gravity and flows to the new hot end through the tube core 1-1-2. At the new hot end, due to the low temperature, the low-boiling component A evaporates first, and then part of the high-boiling component B evaporates, and the concentration of the low-boiling component A in the steam increases. As the low-boiling component A evaporates, the proportion of the high-boiling component B in the liquid working medium increases, the evaporation temperature gradually rises to the current upper limit of the hot end temperature, and the steam pressure gradually increases. As the liquid working medium continues to evaporate, the pressure at the new hot end increases, and the high-pressure steam generated by evaporation flows to the new cold end with lower pressure driven by pressure. Since the temperature of the new cold end is lower than the condensation temperature of all components, the high-boiling-point component B in the steam flowing to the new cold end is condensed and liquefied first, and then the low-boiling-point component A is also condensed and liquefied at low temperature; the condensed liquid working medium overcomes gravity and flows back to the new hot end through the tube core 1-1-2, replenishing the working medium consumed by evaporation to form a reverse cycle.

[0031] After the cooling process is completed, the compression material 1-4 is loaded again to release heat, the material temperature rises, the hot and cold ends are reversed again, the non-azeotropic working fluid 1-1-1 is redistributed again, and the above heat removal process is repeated.

[0032] To sum up, the present invention applies heat pipe technology in a solid-state compression card refrigeration system, which can significantly solve the core problems of low heat exchange efficiency and severe thermal lag in solid-state compression card refrigeration technology, shorten the system operation cycle, significantly improve the refrigeration cycle efficiency and stability, and increase the cooling capacity of the system.

[0033] The description and practice disclosed in the present invention are easy to think and understand for ordinary technicians in the technical field, and several improvements and modifications can be made without departing from the principles of the present invention. Therefore, modifications or improvements made without departing from the spirit of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. A solid-state compression card refrigeration system based on a non-azeotropic working fluid adaptive heat pipe, characterized in that: It comprises a solid-state pressing device (1) and a heat exchange fluid pipe network connected to the solid-state pressing device (1); The solid-state compression device (1) comprises a capillary heat pipe (1-1), a compression chamber (1-2) and a pressure head (1-3); the compression chamber (1-2) is filled with a compression material (1-4), and a plurality of capillary heat pipes (1-1) are evenly distributed in the compression material (1-4); the pressure head (1-3) is arranged above the compression material (1-4), and the tops of the plurality of capillary heat pipes (1-1) extend into the pressure head (1-3); The pressure head (1-3) is capable of periodically loading / unloading the pressing material (1-4); the pressing material (1-4) generates heat / cold, and the generated heat / cold is extracted and transmitted to the heat exchange fluid network through the capillary heat pipe (1-1); The heat exchange fluid pipeline network includes a hot fluid pipeline and a cold fluid pipeline, and the heat exchange fluid in the heat exchange fluid pipeline network can flow alternately between the hot fluid pipeline and the cold fluid pipeline.

2. A solid state compression card refrigeration system based on a non-azeotropic working fluid adaptive heat pipe according to claim 1, characterized in that: The heat extraction fluid pipeline comprises a first three-way valve (2), a second three-way valve (7), a second butterfly valve (8), a high-temperature liquid storage tank (9), a second circulation pump (10) and a high-temperature heat exchanger (11); the outlet of the solid-state compression device (1) is connected to the inlet of the first three-way valve (2), the second outlet of the first three-way valve (2) is connected to the inlet of the second butterfly valve (8), the outlet of the second butterfly valve (8) is connected to the inlet of the high-temperature liquid storage tank (9), the outlet of the high-temperature liquid storage tank (9) is connected to the inlet of the second circulation pump (10), the outlet of the second circulation pump (10) is connected to the inlet of the high-temperature heat exchanger (11), the outlet of the high-temperature heat exchanger (11) is connected to the second inlet of the second three-way valve (7), and the outlet of the second three-way valve (7) is connected to the inlet of the solid-state compression device (1).

3. The solid-state compression card refrigeration system based on non-azeotropic working fluid adaptive heat pipe according to claim 1, characterized in that: The cold fluid pipeline comprises a first three-way valve (2), a first butterfly valve (3), a low-temperature liquid storage tank (4), a first circulation pump (5), a low-temperature heat exchanger (6) and a second three-way valve (7); the outlet of the solid-state pressing device (1) is connected to the inlet of the first three-way valve (2), the first outlet of the first three-way valve (2) is connected to the inlet of the first butterfly valve (3), the outlet of the first butterfly valve (3) is connected to the inlet of the low-temperature liquid storage tank (4), the outlet of the low-temperature liquid storage tank (4) is connected to the inlet of the first circulation pump (5), the outlet of the first circulation pump (5) is connected to the inlet of the low-temperature heat exchanger (6), the outlet of the low-temperature heat exchanger (6) is connected to the first inlet of the second three-way valve (7), and the outlet of the second three-way valve (7) is connected to the inlet of the solid-state pressing device (1).

4. The solid-state compression card refrigeration system based on non-azeotropic working fluid adaptive heat pipe according to claim 1, characterized in that: The capillary heat pipe (1-1) comprises a non-azeotropic working fluid (1-1-1), a tube core (1-1-2) and a tube shell (1-1-3); the tube core (1-1-2) with a capillary structure is arranged on the inner wall of the tube shell (1-1-3), and the tube core (1-1-2) is filled with the non-azeotropic working fluid (1-1-1).

5. A solid-state compression card refrigeration system based on a non-azeotropic working fluid adaptive heat pipe according to claim 4, characterized in that: The non-azeotropic working fluid (1-1-1) is a non-azeotropic mixed working fluid that can undergo temperature glide within a temperature range.

6. A solid-state compression card refrigeration method based on a non-azeotropic working fluid adaptive heat pipe, the refrigeration method is implemented by using a solid-state compression card refrigeration system based on a non-azeotropic working fluid adaptive heat pipe as claimed in any one of claims 1 to 5, characterized in that: The steps include: Heat extraction process: when the pressure head (1-3) compresses the compression material (1-4), the compression material (1-4) releases heat and the temperature rises. The capillary heat pipe (1-1) transfers the generated heat. The first butterfly valve (3) is closed, the second butterfly valve (8) is opened, the second circulation pump (10) is started, and the heat exchange fluid flows through the top of the pressure head (1-3) to absorb the heat transferred from the capillary heat pipe (1-1). The heat exchange fluid then flows through the first three-way valve (2), the second butterfly valve (8), the high-temperature liquid storage tank (9), the second circulation pump (10), and the high-temperature heat exchanger (11) to release the heat and flow back to the solid-state compression device (1). Cooling process: when the pressure head (1-3) releases the pressure, the compression material (1-4) absorbs heat when it expands, the temperature drops, and the capillary heat pipe (1-1) transmits the generated cold. The second butterfly valve (8) is closed, the first butterfly valve (3) is opened, the first circulation pump (5) is started, and the heat exchange fluid flows through the top of the pressure head (1-3) to absorb the cold transmitted by the capillary heat pipe (1-1), and then flows through the first three-way valve (2), the first butterfly valve (3), the low-temperature liquid storage tank (4), the first circulation pump (5), and the low-temperature heat exchanger (6) to release the cold and flow back to the solid-state compression device (1).

7. The solid state compression refrigeration method based on non-azeotropic working fluid adaptive heat pipe according to claim 6, characterized in that: Also includes: Heat extraction process: The bottom of the capillary heat pipe (1-1) is the hot end, and the top is the cold end; the hot end tube core (1-1-2) absorbs the liquid working fluid, and the temperature rises due to the compression and heat release of the compression material (1-4). Under the heating of the compression material (1-4), the low boiling point component A evaporates first, and then the high boiling point component B also begins to evaporate. At this time, the concentration of A in the steam is relatively high; as the evaporation continues, the proportion of the high boiling point component B in the liquid working fluid increases, and the evaporation temperature of the non-azeotropic working fluid (1-1-1) gradually increases to the highest temperature at the hot end. Temperature; As the liquid working medium continues to evaporate, the pressure at the hot end increases, and the high-pressure steam generated by evaporation flows to the cold end with lower pressure under the drive of pressure; when the steam reaches the cold end, the high-boiling point component B condenses first due to the decrease in temperature, releasing latent heat, and a part of the low-boiling point component A is retained in the gaseous state, and a part of the low-boiling point component A begins to condense slowly. The concentration of A in the remaining steam increases, and a lower temperature is required for complete condensation. The condensed liquid working medium flows back to the hot end through the tube core (1-1-2) to replenish the liquid working medium consumed by evaporation; Cooling process: the hot and cold ends of the capillary heat pipe (1-1) are reversed, the original cold end becomes the hot end, and the original hot end becomes the cold end; due to the expansion of the compression material (1-4) to generate cold energy, the temperature of the original hot end suddenly drops and becomes the cold end, and due to the temperature drop, the liquid working medium no longer continues to evaporate, but absorbs cold energy and condenses, and the pressure decreases; the temperature of the original cold end remains unchanged, and the previously evaporated steam continues to condense and liquefy. After most of the high-boiling point component B is condensed, the steam is rich in low-boiling point component A. Due to the lower pressure below, the steam rich in low-boiling point component A flows to the new cold end for condensation, and the condensed liquid working medium overcomes gravity and flows to the new hot end through the tube core (1-1-2) with a capillary structure; at the new hot end, due to the lower temperature, the low-boiling point component A evaporates first The high-boiling-point component B evaporates, and then part of the high-boiling-point component B evaporates, and the concentration of the low-boiling-point component A in the steam increases; as the low-boiling-point component A evaporates, the proportion of the high-boiling-point component B in the liquid working fluid increases, the evaporation temperature gradually rises to the current upper limit of the hot end temperature, and the steam pressure gradually increases; as the liquid working fluid continues to evaporate, the pressure of the new hot end increases, and the high-pressure steam generated by evaporation flows to the new cold end with a lower pressure driven by the pressure; since the temperature of the new cold end is lower than the condensation temperature of all components, the high-boiling-point component B in the steam flowing to the new cold end is condensed and liquefied first, and then the low-boiling-point component A is also condensed and liquefied at a low temperature; the condensed liquid working fluid overcomes gravity and flows back to the new hot end through the tube core (1-1-2), replenishing the working fluid consumed by evaporation to form a reverse cycle; After the cooling process is completed, the compression material (1-4) is loaded again to release heat, the material temperature rises, the hot and cold ends are reversed again, the non-azeotropic working fluid (1-1-1) is redistributed again, and the above heat removal process is repeated.

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