Gas hot air circulation disinfection equipment

Abstract

The invention relates to gas hot air circulation disinfection equipment which comprises a disinfection chamber and a combustion chamber arranged on the side edge of the disinfection chamber, a gas outlet of the combustion chamber is communicated with an inner cavity of the disinfection chamber through a combustion high-temperature tail gas radiating pipe, and a gas inlet of the combustion chamber is communicated with the disinfection chamber through a gas inlet pipeline filtered by a filtering assembly. The invention relates to the technical field of gas hot air circulation disinfection. According to the gas hot air circulation disinfection equipment, through the heat energy gradient utilization and adsorption-regeneration dynamic switching technology, the problems that traditional gas hot air disinfection equipment is high in energy consumption, poor in humidity control, frequent in maintenance and the like are solved, the gas hot air circulation disinfection equipment is suitable for the fields of food processing, medical instruments, laboratory sterilization and the like, and the high-temperature disinfection technology is promoted to be upgraded to be green and intelligent.

Description

Technical Field

[0001] The present invention relates to the technical field of gas hot air circulation disinfection, and particularly to a gas hot air circulation disinfection device. Background Art

[0002] Traditional gas hot air circulation disinfection devices are widely used in fields such as food processing and medical device sterilization. Their core is to kill microorganisms and remove moisture through high-temperature gases. However, the following prominent problems exist in the prior art:

[0003] 1. Technical Defects of Traditional Devices

[0004] High Energy Consumption and Heat Energy Waste

[0005] Low hot air circulation efficiency: Traditional devices rely on the combustion chamber to continuously heat the air, but the humid and hot exhaust gas (containing a large amount of latent heat) is directly discharged, and the heat energy utilization rate is less than 40%.

[0006] Frequent start-stop losses: When the device opens the door for loading and unloading, the heat dissipates rapidly, and the energy consumption for reheating increases by more than 50%.

[0007] Humidity Control and Regeneration Difficulties

[0008] Uncontrollable humidity: During the disinfection process, the accumulation of moisture causes fluctuations in the environmental humidity (±20% RH), affecting the sterilization effect (such as the growth of bacteria due to condensed water).

[0009] Difficult regeneration of adsorption materials: When using zeolite or silica gel to adsorb moisture, it is necessary to stop the machine for disassembly and manual high-temperature baking (200 - 300°C). The regeneration cycle is long (2 - 4 hours), and the equipment utilization rate is low.

[0010] Structural Design Limitations

[0011] Static adsorption system: The gas flow distribution in the fixed zeolite bed layer is uneven, and it is difficult to desorb the deep pores. The regeneration efficiency is only 60% - 70%.

[0012] Poor sealing: High-temperature deformation causes air leakage in the cavity (leakage rate > 5%), resulting in a decrease in adsorption efficiency.

[0013] Zeolite powder leakage: The particles are broken due to mechanical vibration, blocking the pipeline or contaminating the combustion chamber.

[0014] Safety Risks

[0015] Pressure out of control: The humid and hot gas expansion is likely to cause overpressure in the cavity. Traditional devices lack a rapid pressure relief mechanism and have a potential explosion hazard.

[0016] 2. Industry Improvement Attempts and Limitations

[0017] Twin-tower adsorption system: Two sets of zeolite towers adsorb and regenerate alternately, but the switching period is long (30 - 60 minutes), still requiring an external heat source and having high energy consumption.

[0018] Waste heat recovery of heat exchanger: Sensible heat is recovered but latent heat (condensation heat of water vapor) is ignored, and the heat exchanger is easily corroded and has a short lifespan.

[0019] Composite adsorption material: Mixing zeolite and activated alumina to improve capacity, but the conflicting regeneration temperatures lead to material performance degradation. Summary of the Invention

[0020] Aiming at the deficiencies of the prior art, the present invention provides a gas hot air circulation disinfection device, which solves the problems mentioned above.

[0021] To achieve the above objectives, the present invention is realized through the following technical solutions: A gas hot air circulation disinfection device includes a disinfection chamber and a combustion chamber arranged on the side of the disinfection chamber. The air outlet of the combustion chamber is communicated with the inner cavity of the disinfection chamber through a combustion high-temperature tail gas heat dissipation pipe. The air inlet of the combustion chamber is communicated with the disinfection chamber through an intake pipe filtered by a filtering component. The filtering component includes a filtering box fixed on the side of the disinfection chamber.

[0022] Filtering chambers and regeneration chambers are respectively arranged on both sides of the filtering box. The inner cavity of the regeneration chamber is communicated with the combustion chamber of the combustion chamber through a regeneration pipe. A rotating frame driven by a driving shaft is rotatably connected to the inner cavity of the filtering box. Both sides of the rotating frame are symmetrically arranged in the inner cavities of the filtering chamber and the regeneration chamber. The inner cavity of the rotating frame is partitioned by a partition plate into two zeolite placement cavities. Zeolite particles are placed in the inner cavities of both zeolite placement cavities. Filter mesh frames are arranged above and below both zeolite placement cavities. The upper filter mesh frame is fixed in the inner cavity of the zeolite placement cavity. The lower filter mesh frames are all slidably connected to the inner cavity of the zeolite placement cavity through elastic mechanisms. The rotating frame located in the inner cavity of the filtering chamber is slidably sealed with the inner cavity of the filtering chamber. The height of the regeneration chamber is twice the height of the filtering chamber.

[0023] As a further solution of the present invention: A hollow cavity is arranged in the inner cavity of the disinfection chamber to store the absorbed moisture. The heat therein is used to form a heat preservation layer, effectively insulating the inner cavity of the disinfection chamber. Even when the box door is opened for loading and unloading, a certain temperature can be maintained, and the re-heating and temperature rise are faster.

[0024] As a further solution of the present invention: The elastic mechanism includes a fixed frame fixed to the side of the partition board. A reset spring is fixedly connected to the bottom of the fixed frame, and the bottom end of the reset spring is fixedly connected to the surface of the filter screen frame. When the zeolite placement cavity is inside the filter cavity, at this time, the inner wall of the filter cavity closely adheres to the upper and lower parts of the rotating frame, squeezing the filter screen frame and compacting the zeolite inside. Then, the humid and hot gas recovered through the intake pipe passes through the zeolite particles in the zeolite placement cavity, absorbs water, and then re-enters the combustion chamber for heating and recycling. When the zeolite particles in one side of the zeolite placement cavity reach a certain adsorption level, the rotating frame is driven to rotate by the drive shaft, switching the zeolite placement cavities in the filter cavity and the regeneration cavity. At this time, the filter screen frame located inside the zeolite placement cavity descends a certain distance under the reset push of the reset spring, and at this time, gaps appear in the middle of the zeolite inside. Then, high-temperature gas is input into the regeneration cavity through the regeneration pipe of the combustion chamber to perform high-temperature desorption on the zeolite in the regeneration cavity. At this time, the zeolite in the filter cavity performs normal adsorption, and the high-temperature water vapor after desorption is input into the hollow cavity through the circulation pipe to make normal use of the heat.

[0025] As a further solution of the present invention: The top of the inner cavity of the regeneration cavity is communicated with the inner cavity of the hollow cavity through a circulation pipe, and the water-containing high-temperature gas from the zeolite thermal desorption enters the hollow cavity through the circulation pipe.

[0026] As a further solution of the present invention: A pressure relief channel communicating with the hollow cavity is provided at the top of the disinfection chamber. When the internal pressure in the hollow cavity is too high, the internal gas is discharged upward through the pressure relief channel to prevent excessive internal pressure.

[0027] As a further solution of the present invention: A contact rod is fixedly connected to the bottom of the inner cavity of the regeneration cavity. By providing the contact rod, the filter screen frame below is supported to prevent it from dropping excessively.

[0028] As a further solution of the present invention: A guiding inclined surface gradually decreasing from the center of the filter screen frame to the periphery is provided on the outer ring below the filter screen frame. Through the setting of the guiding inclined surface, when the rotating frame rotates, the guiding inclined surface of the filter screen frame first contacts the inner wall of the filter cavity, squeezing the filter screen frame and making it move upward to squeeze the zeolite particles.

[0029] Compared with the prior art, the present invention has the following beneficial effects:

[0030] Disinfection and humid and hot gas circulation

[0031] The combustion chamber generates high-temperature gas, which enters the disinfection chamber through the combustion high-temperature exhaust gas heat dissipation pipe to disinfect the instruments.

[0032] The humid and hot gas enters the filter cavity of the filter box through the intake pipe, and the water is adsorbed by the zeolite particles, and the dry gas returns to the combustion chamber for cyclic heating.

[0033] Zeolite Adsorption and Compaction

[0034] In the filtration chamber, the zeolite placement cavity of the rotating frame is squeezed by the filtration chamber wall through the elastic mechanism, and the zeolite particles are densely arranged, improving the adsorption efficiency.

[0035] When the humid and hot gas flows through the zeolite, the moisture is selectively adsorbed, and the dry gas enters the combustion chamber for reuse.

[0036] Zeolite Regeneration and Heat Energy Recovery

[0037] When the zeolite is saturated with adsorption, the drive shaft rotates 180°, switching the zeolite placement cavity to the regeneration cavity.

[0038] The height of the regeneration cavity is twice that of the filtration chamber. The return spring releases the pressure, and the filter mesh frame moves downward, forming voids between the zeolite particles.

[0039] The combustion chamber passes high-temperature gas into the regeneration cavity through the regeneration pipeline to desorb the moisture in the zeolite, and the generated high-temperature wet gas is introduced into the hollow cavity through the circulation pipeline to store heat.

[0040] Heat Storage and Pressure Balance

[0041] The hollow cavity utilizes the waste heat of the desorbed wet gas to form a heat insulation layer, reducing the heat loss in the disinfection chamber.

[0042] When the air pressure is too high, the pressure relief channel automatically exhausts gas to ensure the safety of the equipment.

[0043] Periodic Switching and Continuous Operation

[0044] The rotating frame rotates periodically, enabling the zeolite in the two cavities to alternately adsorb and regenerate, achieving uninterrupted operation. Description of the Drawings

[0045] Figure 1 It is a partial structural cross-sectional view of the present invention;

[0046] Figure 2 It is a structural cross-sectional view of the filter box of the present invention;

[0047] Figure 3 It is the present invention Figure 2 The partial enlarged view at A in;

[0048] Figure 4 It is the structural bottom view of the rotating frame of the present invention.

[0049] In the figure: 1. Disinfection chamber; 2. Hollow cavity; 3. Combustion chamber; 4. Combustion high-temperature exhaust gas heat dissipation pipe; 5. Intake pipe; 6. Filter box; 8. Pressure relief channel; 9. Filter cavity; 10. Regeneration cavity; 11. Drive shaft; 12. Rotating frame; 13. Regeneration pipe; 14. Circulation pipe; 15. Partition board; 16. Fixed frame; 17. Reset spring; 18. Zeolite particles; 19. Filter mesh frame; 20. Contact rod; 21. Guide inclined plane. Specific implementation manner

[0050] To further elaborate on the technical means and effects adopted by the present invention to achieve the predetermined invention purpose, the following combines the attached drawings and preferred embodiments to detail the specific implementation manner, structure, features and effects of the present invention as follows.

[0051] Please refer to Figures 1-4 , the present invention provides a technical solution: a gas hot air circulation disinfection device, including a disinfection chamber 1 and a combustion chamber 3 arranged on the side of the disinfection chamber 1. The air outlet of the combustion chamber 3 is communicated with the inner cavity of the disinfection chamber 1 through a combustion high-temperature exhaust gas heat dissipation pipe 4, and the air inlet of the combustion chamber 3 is communicated with the disinfection chamber 1 through an intake pipe 5 filtered by a filtering component. The filtering component includes a filter box 6 fixed on the side of the disinfection chamber 1. The output end of the combustion chamber 3 is provided with a combustion high-temperature exhaust gas heat dissipation pipe 4, and the combustion high-temperature exhaust gas heat dissipation pipe 4 penetrates through the disinfection chamber 1. A heat exchanger is fixedly installed in the disinfection chamber 1. The air in the combustion chamber 3 forms a heat source. The heat source passes through the heat exchanger in the disinfection chamber 1 and forms a heat exchange with the heat exchanger. The heat exchanger releases heat into the disinfection chamber 1, so that the temperature in the disinfection chamber 1 rises rapidly, and then high-temperature disinfection is carried out on the equipment. By setting a circulation fan, a circulating heat flow is formed in the disinfection chamber 1 to facilitate full disinfection. The heat-exchanged gas is discharged through an exhaust gas fan;

[0052] Filter cavities 9 and regeneration cavities 10 are respectively arranged on both sides of the filter box 6. The inner cavity of the regeneration cavity 10 is communicated with the combustion cavity of the combustion chamber 3 through a regeneration pipe 13. The inner cavity of the filter box 6 is rotatably connected with a rotating frame 12 driven by a drive shaft 11. The two sides of the rotating frame 12 are symmetrically arranged in the inner cavities of the filter cavity 9 and the regeneration cavity 10 respectively. The middle of the inner cavity of the rotating frame 12 is partitioned into two zeolite placement cavities by a partition board 15. Zeolite particles 18 are placed in the inner cavities of the two zeolite placement cavities, and filter mesh frames 19 are arranged above and below the two zeolite placement cavities. The upper filter mesh frame 19 is fixed in the inner cavity of the zeolite placement cavity, and the lower filter mesh frame 19 is slidably connected in the inner cavity of the zeolite placement cavity through an elastic mechanism. The rotating frame 12 located in the filter cavity 9 is slidably sealed with the inner cavity of the filter cavity 9. The height of the regeneration cavity 10 is twice the height of the filter cavity 9.

[0053] The inner cavity of the disinfection chamber 1 is provided with a hollow cavity 2, which stores the absorbed moisture. The heat therein forms a heat preservation layer, effectively insulating the inner cavity of the disinfection chamber 1. Even when the door is opened for loading and unloading, a certain temperature can be maintained, and the re-heating and temperature increase are faster.

[0054] The elastic mechanism includes a fixed frame 16 fixed to the side of the partition board 15. The bottom of the fixed frame 16 is fixedly connected with a return spring 17. The bottom end of the return spring 17 is fixedly connected to the surface of the filter mesh frame 19. When the zeolite placement cavity is inside the filter cavity 9, at this time, the inner wall of the filter cavity 9 is closely attached to the upper and lower parts of the rotating frame 12, squeezing the filter mesh frame 19 and compacting the zeolite inside. Then, the humid and hot gas recovered through the intake pipe 5 passes through the zeolite particles 18 inside the zeolite placement cavity, is absorbed by water, and then re-enters the combustion chamber 3 for heating and recycling. When the adsorption of the zeolite particles inside one side of the zeolite placement cavity reaches a certain level, the rotating frame 12 is driven by the drive shaft 11 to rotate, switching the zeolite placement cavities in the filter cavity 9 and the regeneration cavity 10. At this time, the filter mesh frame 19 located inside the zeolite placement cavity descends a certain distance under the reset push of the return spring 17. At this time, gaps appear in the middle of the zeolite inside. Then, high-temperature gas is input into the regeneration cavity 10 through the regeneration pipe 13 of the combustion chamber 3 to perform high-temperature desorption on the zeolite in the regeneration cavity 10. At this time, the zeolite in the filter cavity 9 performs normal adsorption. The high-temperature water vapor after desorption is input into the hollow cavity 2 through the circulation pipe 14 to make normal use of the heat.

[0055] The top of the inner cavity of the regeneration cavity 10 is communicated with the inner cavity of the hollow cavity 2 through the circulation pipe 14. The water-containing high-temperature gas from the thermal desorption of the zeolite enters the hollow cavity 2 through the circulation pipe 14.

[0056] The top of the disinfection chamber 1 is provided with a pressure relief channel 8 communicated with the hollow cavity 2. When the internal pressure of the hollow cavity 2 is too high, the internal gas is discharged upward through the pressure relief channel 8 to prevent excessive internal pressure.

[0057] A contact rod 20 is fixedly connected to the bottom of the inner cavity of the regeneration cavity 10. Through the setting of the contact rod 20, the lower filter mesh frame 19 is supported to prevent it from dropping excessively.

[0058] The outer ring below the filter mesh frame 19 is provided with a guiding inclined surface 21 that gradually decreases from the center of the filter mesh frame 19 to the periphery. Through the setting of the guiding inclined surface 21, when the rotating frame 12 rotates, the guiding inclined surface 21 of the filter mesh frame 19 first contacts the inner wall of the filter cavity 9, squeezing the filter mesh frame 19 and making it move upward to squeeze the zeolite particles 18.

[0059] When the present invention is in use, this device realizes efficient disinfection and energy-saving operation through a dynamic adsorption-regeneration system, a closed-loop heat energy utilization, and intelligent pressure control. The specific process is as follows:

[0060] 1. Hot air generation and disinfection cycle

[0061] Combustion chamber heat supply

[0062] The gas combustion chamber 3 generates high-temperature gas at 300 - 500 °C, which is input into the disinfection chamber 1 through the combustion high-temperature exhaust gas heat dissipation pipe 4 to perform high-temperature sterilization on the materials.

[0063] Wet and hot gas recovery

[0064] The wet and hot gas after disinfection contains moisture and waste heat and enters the filtration cavity 9 of the filter box 6 through the intake pipe 5.

[0065] 2. Zeolite adsorption and dynamic switching

[0066] Filtration cavity adsorption

[0067] Zeolite compaction and sealing:

[0068] When the zeolite placement cavity of the rotating frame 12 enters the filtration cavity 9, the inner wall of the cavity squeezes the filter mesh frame 19, the return spring 17 is compressed, and the zeolite particles 18 are compacted to form a dense adsorption layer.

[0069] Function of the guiding inclined plane 21: When the rotating frame switches, the inclined plane first contacts the cavity wall and gradually squeezes the filter mesh frame to ensure airtightness and prevent air leakage.

[0070] Moisture adsorption: The wet and hot gas flows through the zeolite layer, water molecules are selectively adsorbed, and the dry gas returns to the combustion chamber 3 for cyclic heating.

[0071] Regeneration cavity desorption

[0072] Switching mechanism: When the zeolite on one side is saturated in adsorption, the drive shaft 11 rotates 180°, and the zeolite placement cavity is moved to the regeneration cavity 10.

[0073] Pore formation:

[0074] The height of the regeneration cavity 10 is twice that of the filtration cavity. The return spring 17 releases pressure, the filter mesh frame 19 moves downward, and voids are formed between the zeolite particles.

[0075] Limit of the abutting rod 20: Prevent the filter mesh frame from dropping excessively and protect the elastic mechanism.

[0076] High-temperature desorption: The combustion chamber 3 passes high-temperature gas at 250 - 350 °C into the regeneration cavity 10 through the regeneration pipe 13 to penetrate the zeolite layer to desorb moisture, and the generated high-temperature wet gas is introduced into the hollow cavity 2 through the circulation pipe 14.

[0077] 3. Heat energy recovery and pressure balance

[0078] Hollow cavity heat preservation

[0079] The high-temperature moisture after desorption enters the hollow cavity 2, and its heat forms a heat-insulating layer, reducing the heat loss of the disinfection chamber 1, and the heat loss is reduced by 40% - 60%.

[0080] Rapid heating: After the equipment door is opened, the hollow cavity 2 maintains the basic temperature, such as 80 - 100 °C, and the re-heating time is shortened by 50%.

[0081] Pressure relief safety mechanism

[0082] A pressure relief channel 8 is provided at the top of the hollow cavity 2. When the internal air pressure exceeds the threshold value, the gas is automatically discharged to avoid overpressure risk.

[0083] 4. Periodic switching and continuous operation

[0084] The drive shaft 11 periodically switches the rotating frame 12 according to the preset time or the signal of the humidity sensor, realizing the alternating adsorption and regeneration of the two-chamber zeolite, and the equipment can operate continuously without stopping.

[0085] Summary of technical advantages

[0086] Energy-saving and efficient

[0087] The closed-loop utilization of thermal energy reduces the comprehensive energy consumption by 40%, and the dynamic regeneration of zeolite reduces the downtime, and the equipment utilization rate is increased by 30%.

[0088] Precise humidity control

[0089] The humidity fluctuation is controlled within ±5% RH, avoiding condensate water pollution, and the sterilization pass rate is increased to over 98%.

[0090] Safe and reliable

[0091] The design of the pressure relief channel 8 and the abutting rod 20 ensures the safe operation of the equipment, and the anti-pulverization structure of the zeolite extends the service life to more than 3 years.

[0092] Intelligent adaptation

[0093] It can be adapted to different types of zeolites, such as 3A and 13X types, to meet the disinfection requirements of multiple scenarios such as food and medical treatment.

[0094] Industry value

[0095] Through the cascade utilization of thermal energy and the dynamic switching technology of adsorption-regeneration, this equipment solves the pain points of traditional gas hot air disinfection equipment, such as high energy consumption, poor humidity control, and frequent maintenance. It is applicable to fields such as food processing, medical devices, and laboratory sterilization, promoting the green and intelligent upgrading of high-temperature disinfection processes.

[0096] 1. Intelligence and high efficiency of the zeolite adsorption-regeneration system

[0097] Dynamic switching, continuous operation

[0098] Inside the filter box 6, a filter chamber 9 and a regeneration chamber 10 are provided. Through the periodic 180° rotation of the rotating frame 12, the two zeolite placement chambers alternately perform the adsorption and regeneration functions.

[0099] No need to stop the machine: When one side of the zeolite is saturated with adsorption, the drive shaft 11 automatically switches to the other side of the zeolite for operation, enabling the equipment to operate continuously for 24 hours and increasing the production efficiency by more than 30%.

[0100] Optimization of adsorption efficiency

[0101] Elastic compaction seal: Inside the filter chamber 9, the filter mesh frame 19 is squeezed by the inner wall of the chamber through the return spring 17, causing the zeolite particles 18 to be densely arranged, reducing gas bypass, increasing the adsorption contact area and sealing performance, and increasing the moisture adsorption rate by 20% - 40%.

[0102] Design of the guiding inclined plane 21: When the rotating frame 12 switches, the inclined plane of the filter mesh frame 19 first contacts the chamber wall, gradually compressing the zeolite to avoid air leakage or uneven adsorption caused by loose particles.

[0103] Breakthrough in regeneration efficiency

[0104] Pore - controllable regeneration: After switching to the regeneration chamber 10, the return spring 17 releases pressure, and the filter mesh frame 19 moves downward to form particle gaps. High - temperature gas at 200 - 350 °C uniformly penetrates the zeolite layer through the regeneration pipeline 13, and the desorption speed is increased by 50%.

[0105] Anti - falling protection: A contact rod 20 is provided at the bottom of the regeneration chamber 10 to limit the downward movement amplitude of the filter mesh frame 19, avoiding mechanical wear or air flow short - circuit caused by excessive loosening of zeolite particles.

[0106] 2. Cascaded utilization of thermal energy and energy conservation and consumption reduction

[0107] Waste heat recovery and heat preservation

[0108] The high - temperature moisture generated by desorption in the regeneration chamber 10 is introduced into the hollow cavity 2 through the circulation pipeline 14, directly storing heat and forming a heat - preservation layer, reducing the heat loss of the disinfection chamber 1 by 40% - 60%.

[0109] Rapid temperature rise: Even when opening and closing the box door for loading and unloading, the waste heat in the hollow cavity 2 can still maintain the basic temperature of the disinfection chamber, such as 80 - 100 °C, and the energy consumption for reheating is reduced by more than 50%.

[0110] Reuse of thermal energy in the combustion chamber

[0111] The dried gas is returned to the combustion chamber 3 for cyclic heating after being adsorbed by the zeolite, reducing the demand for external air supplement and increasing the combustion efficiency by 15% - 20%.

[0112] 3. Precise control of humidity and pressure

[0113] Humidity stability

[0114] The dynamic adsorption of zeolite can remove moisture in the hot and humid gas in real time, controlling the humidity fluctuation range of the disinfection chamber 1 within ±5%, and avoiding discoloration or deterioration caused by uneven humidity during the hot air disinfection process.

[0115] Pressure safety

[0116] A pressure relief channel 8 is provided at the top of the hollow cavity 2, which automatically exhausts gas when the air pressure exceeds the threshold value, preventing the equipment from deforming or leaking due to the expansion of high-temperature moisture, and significantly improving the safety.

[0117] 4. Optimization of material life and maintenance cost

[0118] Long-term use of zeolite

[0119] The regeneration temperature strictly matches the temperature resistance limit of zeolite molecular sieve of 300 - 350°C, avoiding inactivation due to high-temperature sintering, and the material cycle life can reach more than 5000 times.

[0120] Anti-pollution design

[0121] The elastic mechanism and the sealing structure reduce the dust entering the zeolite layer. Combined with periodic high-temperature desorption, it avoids the blockage of pores by oil stains or impurities, and the maintenance cycle is extended to 3 - 6 months.

[0122] 5. Operation automation and applicability expansion

[0123] Unattended operation

[0124] The drive shaft 11 can be linked with the PLC control system to automatically switch the zeolite cavity according to the data of the humidity sensor, reducing the intensity of manual intervention.

[0125] Multi-scenario adaptation

[0126] By replacing zeolites with different pore sizes such as 3A and 4A or adjusting the regeneration temperature, it can adapt to the requirements of various hot air disinfection processes.

[0127] The above are only the preferred embodiments of the present invention, and do not impose any form of limitation on the present invention. Although the present invention has been disclosed above with the preferred embodiments, it is not intended to limit the present invention. Any person skilled in the art can make some changes or modifications to the above-disclosed technical content to make equivalent embodiments with equivalent changes, but as long as it does not depart from the technical content of the present invention, any brief modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present invention still fall within the scope of the technical solution of the present invention.

Claims

1. A gas hot air circulation disinfection device, comprising a disinfection chamber (1) and a combustion chamber (3) arranged on the side of the disinfection chamber (1). The air outlet of the combustion chamber (3) is communicated with the inner cavity of the disinfection chamber (1) through a combustion high-temperature tail gas heat dissipation pipe (4). The air inlet of the combustion chamber (3) is communicated with the disinfection chamber (1) through an intake pipe (5) filtered by a filtering component, and is characterized in that: The filtering component includes a filter box (6) fixed to the side of the disinfection chamber (1); Filter cavities (9) and regeneration cavities (10) are respectively arranged on both sides of the filter box (6). The inner cavity of the regeneration cavity (10) is communicated with the combustion cavity of the combustion chamber (3) through a regeneration pipeline (13). A rotating frame (12) driven by a driving shaft (11) is rotatably connected to the inner cavity of the filter box (6). Both sides of the rotating frame (12) are symmetrically arranged in the inner cavities of the filter cavity (9) and the regeneration cavity (10). The middle of the inner cavity of the rotating frame (12) is partitioned by a partition plate (15) into two zeolite placement cavities. Zeolite particles (18) are placed in the inner cavities of both zeolite placement cavities. Filter mesh frames (19) are arranged above and below both zeolite placement cavities. The upper filter mesh frame (19) is fixed in the inner cavity of the zeolite placement cavity. The lower filter mesh frame (19) is slidably connected to the inner cavity of the zeolite placement cavity through an elastic mechanism. The rotating frame (12) located in the inner cavity of the filter cavity (9) is slidably sealed with the inner cavity of the filter cavity (9). The height of the regeneration cavity (10) is twice the height of the filter cavity (9).

2. The gas hot air circulation disinfection device according to claim 1, wherein: A hollow cavity (2) is arranged in the inner cavity of the disinfection chamber (1).

3. The gas hot air circulation disinfection equipment according to claim 1, characterized in that: The elastic mechanism includes a fixed frame (16) fixed to the side of the partition plate (15). A return spring (17) is fixedly connected to the bottom of the fixed frame (16). The bottom end of the return spring (17) is fixedly connected to the surface of the filter mesh frame (19).

4. A gas hot air circulation disinfection device according to claim 1, characterized in that: The top of the inner cavity of the regeneration cavity (10) is communicated with the inner cavity of the hollow cavity (2) through a circulation pipeline (14). The water-containing high-temperature gas obtained by zeolite thermal desorption enters the hollow cavity (2) through the circulation pipeline (14).

5. The gas hot air circulation disinfection equipment according to claim 1, characterized in that: A pressure relief channel (8) communicated with the hollow cavity (2) is arranged at the top of the disinfection chamber (1).

6. The gas hot air circulation disinfection equipment according to claim 1, characterized in that: A contact rod (20) is fixedly connected to the bottom of the inner cavity of the regeneration cavity (10). The lower filter mesh frame (19) is supported by the arrangement of the contact rod (20).

7. A gas hot air circulation disinfection device according to claim 1, characterized in that: A guiding inclined surface (21) that gradually decreases from the center of the filter mesh frame (19) towards the periphery is provided on the outer ring below the filter mesh frame (19).

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