Carbon dioxide refrigeration and purification device for coal mine refuge chamber

Abstract

The invention relates to the technical field of air treatment and purification, and discloses a carbon dioxide refrigeration and purification device for a coal mine refuge chamber, the carbon dioxide refrigeration and purification device comprises a control box, an output pressure adjusting handle is arranged on the outer wall of the control box, and a change-over switch is arranged on the side, away from the output pressure adjusting handle, of the outer wall of the control box; a pressure gauge is mounted on the upper side of the outer wall of the control box; four adsorbent treatment boxes are mounted on the upper surface of the control box, and a medicament frame in sliding connection is arranged in each adsorbent treatment box; the medicament frame is used for storing a drying dehumidifying agent, a carbon monoxide adsorbent and a carbon dioxide adsorbent, and the outer wall of the medicament frame is fixed and released through an elastic device. By arranging the filtering assembly and the adsorbent treatment box, multi-stage purification treatment on air is achieved; and a filter plate and a filter cover in the filter assembly can effectively remove large-particle dust and tiny particles in the air.

Description

Technical Field

[0001] The invention relates to the technical field of air treatment and purification, and in particular to a carbon dioxide refrigeration and purification device for a coal mine refuge chamber. Background Art

[0002] Coal mines are important places for energy extraction, but due to their special underground working environment, they are often accompanied by high dust concentrations, high humidity, and high concentrations of harmful gases (such as carbon monoxide and carbon dioxide). These environmental factors put forward strict requirements on the safety of coal mine refuge chambers. In emergencies (such as gas explosions or landslides), coal mine refuge chambers become an important place to protect the lives of trapped people, and it is particularly important to provide them with a safe and clean air environment. Therefore, the development of air purification devices that can adapt to the complex environment of coal mines is of great significance to ensure the safe use of refuge chambers.

[0003] Existing coal mine refuge chambers are usually equipped with basic air handling devices, which mainly process particulate matter and harmful gases in the air through simple filtration systems or adsorption components. Some equipment also adds humidity regulation or cooling functions to adapt to the high humidity and high temperature environment requirements of coal mines. However, such devices often have single functions, insufficient purification efficiency, and are prone to adsorbent failure or equipment failure due to high temperature or high humidity during long-term operation. In addition, most devices are relatively complex in design for adsorbent replacement or filtration system maintenance, making it difficult to meet the needs of rapid operation under emergency refuge conditions in coal mines.

[0004] The main problems with the existing technology are that the air treatment device lacks an effective combination of multi-stage purification and cooling functions for the air, making it difficult to provide long-term, stable clean air in the coal mine refuge chamber. For example, the filtration system and adsorbent treatment box of the existing device fail to achieve modular design, and the replacement of the adsorbent and the cleaning of the filtration system are cumbersome, resulting in low maintenance efficiency and failure to meet the use requirements of the refuge chamber in an emergency environment. Summary of the invention

[0005] In view of the shortcomings of the prior art, the present invention provides a carbon dioxide refrigeration and purification device for a coal mine refuge chamber, which solves the problem that the air treatment device lacks an effective combination of multi-stage purification and cooling functions for the air, and is difficult to provide long-term stable clean air in the coal mine refuge chamber.

[0006] To achieve the above object, the present invention is implemented by the following technical scheme: a carbon dioxide refrigeration and purification device for a coal mine refuge chamber, comprising a control box, an outer wall of the control box is provided with an output pressure regulating handle, a conversion switch is provided on the side of the outer wall of the control box away from the output pressure regulating handle, and a pressure gauge is installed on the upper side of the outer wall of the control box;

[0007] Four adsorbent processing boxes are installed on the upper surface of the control box, and a sliding-connected medicine frame is provided inside the adsorbent processing box; the medicine frame is used to store dry dehumidifier, carbon monoxide adsorbent and carbon dioxide adsorbent, and the outer wall of the medicine frame is fixed and released by an elastic device;

[0008] The outer wall of the control box is connected to an air purifier, and the air purifier is provided with a purified air outlet;

[0009] The top of the adsorbent treatment box is connected to an air supply bin, and a fan and a cooling component are installed inside the air supply bin. The cooling component includes heat dissipation fins and a circulation pipe, and the circulation pipe is connected to a cooling water storage tank for cooling the air;

[0010] A filter assembly is arranged on the top of the air supply bin, and the filter assembly includes a filter plate slidably connected to the inside of a fixed plate, and a filter cover is fixedly connected to the upper surface of the fixed plate for performing multi-stage purification of the air.

[0011] Preferably, a T-shaped guide plate is fixedly connected to the outer wall of the medicine frame, and protective plates are fixedly connected to the upper and lower sides of the medicine frame. The protective plates are made of silica gel and are used to absorb and dehumidify the air.

[0012] Preferably, the outer wall of the filter plate is slidably connected to a pull rod, one end of the pull rod is fixedly connected to a connecting rod, one end of the connecting rod is rotatably connected to a clamping block, the inside of the clamping block is fixedly connected to a telescopic rod, and the outer wall of the telescopic rod is sleeved with a spring for quick disassembly and assembly of the filter plate.

[0013] Preferably, one side of the cooling water storage tank is connected to a circulation pipe. The cooling water storage tank is used to store cooling water and realize water circulation through the circulation pipe. The cooling water flows inside the heat dissipation fins to cool the air.

[0014] Preferably, the outer wall of the fan is arranged inside the air supply bin, and the fan is used to transport the filtered air to the interior of the air purifier through the heat dissipation fins for further processing.

[0015] Preferably, the interior of the adsorbent processing box is rotatably connected to a rotating shaft, the outer wall of the rotating shaft is fixedly connected to a clamping block, a limiting component is arranged inside the adsorbent processing box, the limiting component includes a sliding rod and a push plate slidably connected, a spring 2 is sleeved on the outer wall of the sliding rod, one end of the spring 2 is fixedly connected to the interior of the adsorbent processing box, and is used to fix the medicine frame.

[0016] Preferably, the end of the sliding rod is fixedly connected to a threaded rod, one end of the threaded rod is rotatably connected to a limit block, and the limit block is used to limit and fix the medicine frame.

[0017] Preferably, the outer wall of the filter plate is provided with a plurality of filter holes, the apertures of which decrease layer by layer, for graded filtration of large particles and tiny particles in the air.

[0018] Preferably, a delivery pipe is provided inside the air supply bin, one end of the delivery pipe is fixedly connected to the air purifier, and the other end is connected to the fan to realize air delivery.

[0019] Preferably, the outer wall of the air purifier is provided with a purified air outlet, and the purified air outlet is connected to the adsorbent treatment box through a conveying pipe for conveying the purified air to the coal mine refuge chamber.

[0020] The present invention provides a carbon dioxide refrigeration and purification device for a coal mine refuge chamber. It has the following beneficial effects:

[0021] 1. The present invention realizes multi-stage purification of air by setting a filter assembly and an adsorbent treatment box; the filter plate and filter cover in the filter assembly can effectively remove large dust particles and tiny particles in the air; the adsorbent treatment box can store dry dehumidifiers, carbon monoxide adsorbents and carbon dioxide adsorbents through the design of the agent frame, and specifically adsorbs moisture, polluted gases and harmful components in the air to improve the air purification effect; the combined use of multiple adsorbents can adapt to the complex coal mine shelter environment requirements and ensure that the air quality meets safety standards.

[0022] 2. Modular design of the filter assembly of the present invention: through the cooperation of the pull rod, the connecting rod and the clamping block, the filter plate can be quickly disassembled and assembled, which is convenient for regular cleaning or replacement and reduces the difficulty of maintenance. The sliding design of the adsorbent treatment box: the sliding structure design of the agent frame makes the replacement of the adsorbent more convenient. Through the cooperation of the spring and the limit assembly, the adsorbent frame can be reliably fixed and quickly released, which significantly reduces the maintenance time. The modular design improves the operational flexibility and applicability of the device, which is convenient for on-site staff to quickly complete equipment maintenance work.

[0023] 3. The present invention designs a cooling component, which can significantly reduce the air temperature through heat dissipation fins and cooling water circulation pipes, reduce the heat load of subsequent purification treatment, protect the performance of the adsorbent and extend its service life, prevent high-temperature air from causing deformation of equipment materials, and improve the reliability of the device; in addition, the cooling system and the fan are used in combination to evenly transport the cooled air to the adsorbent treatment box and the air purifier, thereby improving the overall working efficiency of the device.

[0024] 4. The adsorbent treatment box of the present invention is arranged in a rectangular array, and the type and quantity of the adsorbent frame can be adjusted according to actual needs to adapt to air purification needs under different scales and conditions; the protective plate is made of silica gel, which not only absorbs moisture in the air, but also maintains the stability of the adsorbent in a high humidity environment, thereby improving the adaptability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 A perspective view of the present invention;

[0026] Figure 2 It is a rear-view stereoscopic structural schematic diagram of the present invention;

[0027] Figure 3 It is a partial structural schematic diagram of the filter plate of the present invention;

[0028] Figure 4 It is a schematic diagram of the structure of the pull rod part of the present invention;

[0029] Figure 5 It is a schematic diagram of the structure of the drug frame of the present invention;

[0030] Figure 6 It is a partial structural schematic diagram of the adsorbent treatment box of the present invention;

[0031] Figure 7 It is a schematic diagram of the structure of the drug frame of the present invention;

[0032] Figure 8 for Figure 7 Enlarged view of point A in the middle.

[0033] Among them, 1. control box; 2. output pressure adjustment handle; 3. conversion switch; 4. pressure gauge; 5. adsorbent treatment box; 6. purified air outlet; 7. air supply bin; 8. fixing plate; 9. filter cover; 10. filter plate; 11. pull rod; 12. connecting rod; 13. clamping block; 14. telescopic rod; 15. spring one; 16. fan; 17. heat dissipation fin; 18. cooling water storage tank; 19. circulation pipe; 20. medicine frame; 21. protective plate; 22. T-shaped guide plate; 23. rotating shaft; 24. clamping block; 25. threaded rod; 26. limit block; 27. push plate; 28. slide rod; 29. ​​spring two; 30. air purifier; 31. delivery pipe. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0035] Please refer to the attached Figure 1 -Attached Figure 8 The embodiment of the present invention provides a carbon dioxide refrigeration and purification device for a coal mine refuge chamber, comprising a control box 1,

[0036] An output pressure regulating handle 2 is arranged on the outer wall of the control box 1, a conversion switch 3 is arranged on the side of the outer wall of the control box 1 away from the output pressure regulating handle 2, and a pressure gauge 4 is installed on the upper side of the outer wall of the control box 1;

[0037] Four adsorbent processing boxes 5 are installed on the upper surface of the control box 1, and a slidingly connected medicine frame 20 is provided inside the adsorbent processing box 5; the medicine frame 20 is used to store dry dehumidifier, carbon monoxide adsorbent and carbon dioxide adsorbent, and the outer wall of the medicine frame 20 is fixed and released by an elastic device;

[0038] The outer wall of the control box 1 is connected to an air purifier 30, and a purified air outlet 6 is provided in the air purifier 30;

[0039] The upper part of the adsorbent treatment box 5 is connected to the air supply bin 7, and a fan 16 and a cooling assembly are installed inside the air supply bin 7. The cooling assembly includes a heat dissipation fin 17 and a circulation pipe 19. The circulation pipe 19 is connected to a cooling water storage tank 18 for cooling the air.

[0040] A filter assembly is provided on the top of the air supply bin 7. The filter assembly includes a filter plate 10 slidably connected to the inside of the fixed plate 8. A filter cover 9 is fixedly connected to the upper surface of the fixed plate 8 for performing multi-stage purification of the air.

[0041] In one embodiment, the introduction and preliminary purification of air

[0042] After the fan 16 is started, external air is introduced into the device through the air supply chamber 7 and is transported to the air purifier 30 through the delivery pipe.

[0043] In the air purifier, the air is first purified by the filter assembly at the top of the air supply compartment:

[0044] When the air passes through the filter plate 10 disposed inside the fixed plate 8, the filter plate will grade and filter the large particles and tiny particles of pollutants in the air, and the filter cover 9 further improves the filtering efficiency.

[0045] The filter plate can be disassembled and assembled by means of a sliding device pull rod 11, a connecting rod 12, a clamping block 13, etc., so as to facilitate subsequent cleaning or replacement.

[0046] Cooling system cooling treatment

[0047] The filtered air is delivered to the cooling assembly through the fan 16 in the air supply compartment 7 .

[0048] The heat dissipation fins 17 of the cooling assembly are connected to a circulation pipe 19 , and the cooling water flowing in the circulation pipe comes from a cooling water storage tank 18 .

[0049] The cooling water circulates in the heat dissipation fins, absorbing heat from the air and significantly reducing the air temperature, thereby reducing the heat load of the air.

[0050] The cooled air enters the air purifier 30 to further optimize the adsorption performance of the subsequent adsorbent.

[0051] Deep purification of adsorbents

[0052] The cooled air enters the adsorbent treatment box 5 from the air purifier, and the adsorbent dehumidifier, carbon monoxide adsorbent, and carbon dioxide adsorbent stored in the reagent frame 20 specifically adsorb the moisture and harmful gases in the air:

[0053] Desiccant: absorbs moisture from the air and reduces air humidity.

[0054] Carbon monoxide absorbent: absorbs carbon monoxide in the air to improve air safety.

[0055] Carbon dioxide adsorbent: Efficiently remove carbon dioxide content in the air to ensure that the CO2 concentration in the shelter environment is controlled within a safe range.

[0056] The medicine frame 20 is slidably installed in the adsorbent processing box 5 and is positioned by the T-shaped guide plate 22. The elastic device and the limit assembly slide rod 28, the push plate 27, and the spring 29 realize the fixing and release of the medicine frame, which is convenient for the subsequent replacement and maintenance of the adsorbent.

[0057] Air output and overall circulation

[0058] The air that has undergone multi-stage purification treatment is discharged from the purified air outlet 6 and transported to the interior of the coal mine refuge chamber to ensure that the ambient air meets the refuge needs.

[0059] Through the conversion switch 3, the operating mode of the device can be switched according to the actual needs of the refuge chamber, the air flow and purification effect can be adjusted, and the operating status of the device can be monitored in real time through the pressure adjustment handle 2 and the pressure gauge 4.

[0060] A T-shaped guide plate 22 is fixedly connected to the outer wall of the medicine frame 20 , and a protective plate 21 is fixedly connected to the upper and lower sides of the medicine frame 20 . The protective plate 21 is made of silica gel and is used to absorb and dehumidify the air.

[0061] In one embodiment, the protective plate 21 greatly reduces the air humidity by absorbing moisture, thereby providing more ideal conditions for the efficient operation of the subsequent adsorbent; the combination of various adsorbent desiccant, carbon monoxide adsorbent, and carbon dioxide adsorbent in the reagent frame can specifically remove moisture, harmful gases, and excess CO2 in the air, significantly improve the air purification effect, and meet the high-standard air quality requirements in coal mine refuge chambers. The reagent frame 20 cooperates with the guide rail inside the adsorbent treatment box 5 through the T-shaped guide plate 22 fixedly connected to its outer wall to achieve the sliding installation of the reagent frame in the adsorbent treatment box; after the reagent frame is placed in the adsorbent treatment box, the limiting assembly includes a slide rod, a push plate, and a spring to fix the reagent frame through the rebound force to ensure that it will not be displaced or loosened during operation.

[0062] The outer wall of the filter plate 10 is slidably connected with a pull rod 11, one end of the pull rod 11 is fixedly connected to a connecting rod 12, one end of the connecting rod 12 is rotatably connected to a clamping block 13, the inside of the clamping block 13 is fixedly connected to a telescopic rod 14, and the outer wall of the telescopic rod 14 is sleeved with a spring 15 for quickly disassembling and assembling the filter plate 10.

[0063] In one embodiment, the installation and fixing of the filter plate

[0064] In normal operation, the outer wall of the filter plate 10 is slidably connected to the inside of the fixing plate 8 and is fixed by the clamping block 13 .

[0065] The interior of the clamping block 13 cooperates with the fixing plate through the elastic action of the telescopic rod 14 and the spring 15 to firmly lock the filter plate 10 in a fixed position to prevent the filter plate 10 from shifting or loosening due to vibration or airflow during operation.

[0066] Air Filtration and Purification

[0067] After the air enters the filter assembly from the air supply compartment 7, it first passes through the filter cover 9 on the upper surface of the fixed plate 8, and the filter cover can preliminarily intercept larger particle pollutants in the air.

[0068] The air passing through the filter cover 9 further enters the filter plate 10 for deep filtration. The filter plate intercepts tiny particle pollutants in the air to ensure that the cleanliness of the air meets the requirements of subsequent processing.

[0069] Disassembly and assembly of filter plate

[0070] Disassembly process:

[0071] When the filter plate 10 needs to be cleaned or replaced, the worker pulls the pull rod 11, and the pull rod drives the connecting rod 12 to move.

[0072] One end of the connecting rod 12 is rotatably connected to the clamping block 13. When the pull rod is pulled outward, the connecting rod simultaneously drives the clamping block to slide along the inside of the fixing plate.

[0073] During this process, the telescopic rod 14 inside the clamping block is stretched, so that the spring 15 is gradually compressed. When the clamping block is completely moved out of the clamping slot of the filter plate, the filter plate can be easily taken out from the fixed plate.

[0074] Installation process:

[0075] The cleaned or replaced filter plate is reinserted into the fixed plate, and aligned with the slot position through the clamping block 13 and the sliding structure.

[0076] During the insertion process, the filter plate 10 pushes the clamping block, and the spring 15 pushes the telescopic rod 14 due to the rebound effect, so that the clamping block is reset, and finally the filter plate is automatically fixed.

[0077] Device operation recovery

[0078] After the installation of the filter plate is completed, the filter assembly resumes working state, ensuring the normal operation of the air filtration function. The quick disassembly and assembly design greatly shortens the maintenance time while ensuring the reliability and air tightness of the filter assembly.

[0079] One side of the cooling water storage tank 18 is connected to the circulation pipe 19. The cooling water storage tank 18 is used to store cooling water and realize water circulation through the circulation pipe 19. The cooling water flows inside the heat dissipation fins 17 to cool the air.

[0080] In one embodiment, the combined design of the cooling water storage tank 18 and the heat dissipation fins 17 quickly transfers the heat in the air to the cooling water through water circulation, thereby significantly reducing the air temperature; when the cooled air enters the subsequent processing components, its heat load is significantly reduced, thereby effectively protecting the adsorbent processing box, filter components and other components, and preventing high temperature from damaging the performance of the equipment.

[0081] The outer wall of the fan 16 is arranged inside the air supply chamber 7, and the fan 16 is used to transport the filtered air to the inside of the air purifier 30 through the heat dissipation fins 17 for further processing.

[0082] The interior of the adsorbent processing box 5 is rotatably connected to a rotating shaft 23, and the outer wall of the rotating shaft 23 is fixedly connected to a clamping block 24. A limiting component is arranged inside the adsorbent processing box 5, and the limiting component includes a sliding rod 28 and a push plate 27 that are slidably connected. The outer wall of the sliding rod 28 is sleeved with a spring 29, and one end of the spring 29 is fixedly connected to the interior of the adsorbent processing box 5 for fixing the medicine frame 20.

[0083] In one embodiment, sufficient airflow is provided by the fan 16, and the cooled air can evenly flow through the reagent frame 20 inside the adsorbent treatment box to ensure that each part of the air is in full contact with the adsorbent; various combinations of adsorbents such as drying dehumidifiers, carbon monoxide adsorbents, and carbon dioxide adsorbents are specifically used to remove moisture, harmful gases and excess CO2 from the air, thereby improving the deep purification effect of the air.

[0084] The end of the slide rod 28 is fixedly connected to a threaded rod 25 , and one end of the threaded rod 25 is rotatably connected to a limit block 26 , which is used to limit and fix the medicine frame 20 .

[0085] The outer wall of the filter plate 10 is provided with a plurality of filter holes, the apertures of which decrease layer by layer, and are used to classify large particles and tiny particles in the air.

[0086] In one embodiment, the end of the slide bar 28 is fixedly connected to the threaded rod 25. When the slide bar slides inside the adsorbent treatment box 5, the threaded rod rotates accordingly, driving the limit block 26 to move; the limit block 26 contacts the medicine frame 20, and accurately positions the medicine frame through it, so that the working position of the medicine frame in the adsorbent treatment box remains stable, and the threaded rod 25 drives the limit block 26 to move toward the medicine frame by rotating. The shape of the limit block and the matching design of the outer wall of the medicine frame ensure the uniformity of the contact area, prevent the medicine frame from being displaced in the impact of airflow or external vibration, and through the mechanical force of the threaded rod 25, the limit block can flexibly adjust its position to achieve adaptation to medicine frames of different specifications, thereby increasing the applicability of the equipment.

[0087] A delivery pipe 31 is provided inside the air supply bin 7. One end of the delivery pipe 31 is fixedly connected to the air purifier 30, and the other end is connected to the fan 16 for delivering air.

[0088] The outer wall of the air purifier 30 is provided with a purified air outlet 6, and the purified air outlet 6 is connected to the adsorbent treatment box 5 through a delivery pipe 31 for delivering the purified air to the coal mine refuge chamber.

[0089] In one embodiment, the delivery pipe 31 evenly distributes the air flow to different areas of the air purifier to avoid uneven purification effect caused by concentrated air flow.

[0090] The purified air is transported from the purified air outlet to the adsorbent treatment box through the delivery pipe 31, and finally enters the interior of the coal mine refuge chamber; the delivery pipe 31 adopts a sealed design in the process of connecting the air purifier 30, the fan 16 and the adsorbent treatment box 5 to prevent leakage during the air transportation process, resulting in a decrease in purification efficiency or diffusion of pollutants.

[0091] Working principle: When the carbon dioxide refrigeration purification device of the coal mine refuge chamber is needed, the fan is first started to drive the external air to be transported through the air supply bin and the delivery pipe to the inside of the air purifier for purification. In this process, the large particles of dust in the air are first filtered through the filter cover, and then the air is further filtered through the filter plate. After long-term use, the pull rod is pulled to drive one end of the connecting rod to move inside the filter plate, and then the other end of the connecting rod drives the clamping block to slide inside the fixed plate and the filter plate. In this process, the movement of the clamping block causes the spring to contract. When the clamping block is completely moved to the inside of the filter plate, the filter plate can be When it is removed for cleaning, you only need to put the filter plate back to its original position during installation. At this time, the spring 1 will push the card block to move back to the inside of the fixed plate through the rebound of the spring 1, thereby realizing the disassembly and assembly of the filter plate. Then the filtered air is transported to the outer wall of the heat dissipation fin through the fan, and the cooling water in the cooling water storage tank is driven by the circulation pipe to circulate inside the heat dissipation fin, thereby cooling the heat dissipation fin. At this time, the air will be cooled when passing through the heat dissipation fin, which can reduce the heat load of the air, protect the subsequent processing equipment, prevent material deformation or deterioration of adsorbent performance due to high temperature, and at the same time extend the service life of the adsorbent and improve the overall purification efficiency.

[0092] In addition, the threaded rod is driven to rotate inside the adsorbent treatment box, thereby driving the limit block to slide inside the adsorbent treatment box to fix or release the card block. When the card block is released, the card block can be pulled to rotate around the rotating shaft, and the push plate is cooperated to shrink the spring 2. When the card block is rotated to a certain angle, the medicine frame can be pulled out, and then it can be placed inside the air purifier for convenient purification. In addition, the new adsorbent is placed inside the new medicine frame, and then the medicine frame is pressed against the outer wall of the card block and pressed into the interior of the adsorbent treatment box. At this time, the card block is rotated again through the inclined surface of the card block. When the medicine frame is installed, the medicine frame is limited and fixed by the rebound of the spring 2 and the push plate pushing the card block. Finally, the threaded rod is driven to drive the limit block to fix the card block. In addition, the surrounding air is hygroscopically treated through the protective plate.

[0093] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A carbon dioxide refrigeration and purification device for a coal mine refuge chamber, comprising a control box (1), characterized in that: An output pressure regulating handle (2) is arranged on the outer wall of the control box (1), a conversion switch (3) is arranged on the side of the outer wall of the control box (1) away from the output pressure regulating handle (2), and a pressure gauge (4) is installed on the upper side of the outer wall of the control box (1); Four adsorbent processing boxes (5) are installed on the upper surface of the control box (1), and a slidably connected medicine frame (20) is provided inside the adsorbent processing box (5); the medicine frame (20) is used to store dry dehumidifier, carbon monoxide adsorbent and carbon dioxide adsorbent, and the outer wall of the medicine frame (20) is fixed and released by an elastic device; The outer wall of the control box (1) is connected to an air purifier (30), and the air purifier (30) is provided with a purified air outlet (6); The upper part of the adsorbent treatment box (5) is connected to an air supply bin (7), and a fan (16) and a cooling assembly are installed inside the air supply bin (7). The cooling assembly includes heat dissipation fins (17) and a circulation pipe (19). The circulation pipe (19) is connected to a cooling water storage tank (18) for cooling the air. A filter assembly is provided on the top of the air supply bin (7), and the filter assembly includes a filter plate (10) slidably connected to the inside of a fixed plate (8), and a filter cover (9) is fixedly connected to the upper surface of the fixed plate (8) for performing multi-stage purification of the air.

2. The carbon dioxide refrigeration and purification device for a coal mine refuge chamber according to claim 1, characterized in that: The outer wall of the medicine frame (20) is fixedly connected with a T-shaped guide plate (22), and the upper and lower sides of the medicine frame (20) are fixedly connected with a protective plate (21), and the protective plate (21) is made of silica gel material and is used to absorb and dehumidify the air.

3. The carbon dioxide refrigeration and purification device for a coal mine refuge chamber according to claim 1, characterized in that: The outer wall of the filter plate (10) is slidably connected to a pull rod (11), one end of the pull rod (11) is fixedly connected to a connecting rod (12), one end of the connecting rod (12) is rotatably connected to a clamping block (13), the interior of the clamping block (13) is fixedly connected to a telescopic rod (14), and the outer wall of the telescopic rod (14) is sleeved with a spring (15) for quickly disassembling and assembling the filter plate (10).

4. The carbon dioxide refrigeration and purification device for a coal mine refuge chamber according to claim 3, characterized in that: One side of the cooling water storage tank (18) is connected to the circulation pipe (19). The cooling water storage tank (18) is used to store cooling water and realize water circulation through the circulation pipe (19). The cooling water flows inside the heat dissipation fins (17) to cool the air.

5. The carbon dioxide refrigeration and purification device for a coal mine refuge chamber according to claim 1, characterized in that: The outer wall of the fan (16) is arranged inside the air supply bin (7), and the fan (16) is used to transport the filtered air to the inside of the air purifier (30) through the heat dissipation fins (17) for further processing.

6. The carbon dioxide refrigeration and purification device for a coal mine refuge chamber according to claim 3, characterized in that: The interior of the adsorbent processing box (5) is rotatably connected to a rotating shaft (23), and the outer wall of the rotating shaft (23) is fixedly connected to a clamping block (24). A limiting component is arranged inside the adsorbent processing box (5), and the limiting component includes a sliding rod (28) and a push plate (27) that are slidably connected. The outer wall of the sliding rod (28) is sleeved with a spring 2 (29), and one end of the spring 2 (29) is fixedly connected to the interior of the adsorbent processing box (5) for fixing the medicine frame (20).

7. A carbon dioxide refrigeration and purification device for a coal mine refuge chamber according to claim 6, characterized in that: The end of the sliding rod (28) is fixedly connected to a threaded rod (25), and one end of the threaded rod (25) is rotatably connected to a limit block (26), and the limit block (26) is used to limit and fix the medicine frame (20).

8. The carbon dioxide refrigeration and purification device for a coal mine refuge chamber according to claim 3, characterized in that: The outer wall of the filter plate (10) is provided with a plurality of filter holes, the apertures of which decrease layer by layer, and are used for graded filtering of large particles and tiny particles in the air.

9. The carbon dioxide refrigeration and purification device for a coal mine refuge chamber according to claim 3, characterized in that: A delivery pipe (31) is arranged inside the air supply bin (7), one end of the delivery pipe (31) is fixedly connected to the air purifier (30), and the other end is connected to the fan (16) for achieving air delivery.

10. The carbon dioxide refrigeration and purification device for a coal mine refuge chamber according to claim 3, characterized in that: The outer wall of the air purifier (30) is provided with a purified air outlet (6), and the purified air outlet (6) is connected to the adsorbent treatment box (5) via a delivery pipe (31) for delivering purified air to the coal mine refuge chamber.

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