Dry heat type disinfection equipment for medical waste

Abstract

The invention discloses dry heat type disinfection equipment for medical waste, and relates to the technical field of medical waste treatment.The disinfection equipment further comprises a disinfection mechanism, the disinfection mechanism is arranged on a supporting frame and comprises a connecting piece, a disinfection cavity is formed in the connecting piece, and heating mechanisms are arranged on the side wall of the disinfection cavity in an annular array mode; and the disinfection mechanism can perform high-temperature disinfection and softening on the medical wastes. Through mutual cooperation of the compression mechanism, the disinfection mechanism and other devices, on one hand, dry-heat type disinfection and wet-heat type disinfection of medical waste are achieved, and therefore the disinfection effect on the medical waste is improved; and on the other hand, the medical waste can be disinfected in time, meanwhile, the size is compressed, a firm cake-shaped object is formed, and the disinfected and compressed medical waste is small in size, convenient to stack, free of the risk of virus diffusion and capable of being disposed together with household garbage.

Description

Technical Field

[0001] The present invention relates to the technical field of medical waste treatment, and particularly relates to a dry heat disinfection device for medical waste. Background Art

[0002] The commonly used medical waste disposal technologies in China are divided into incineration, high-temperature water cooking, dry chemical disinfection, microwave disinfection, etc. However, these are all centralized disposal methods, which are not convenient for the disposal of medical waste in village clinics, township hospitals, and remote areas. For village clinics, township hospitals, and remote areas, in order to achieve medical waste treatment, these special areas have paid a high labor cost, and there are also transportation risks, and it is easy to have the problem of secondary spread of viruses during transportation.

[0003] A Chinese patent with the application number CN202310043175.X discloses a medical waste treatment device. The medical waste treatment device includes a pretreatment component, a mixing component, and a cake pressing component. The pretreatment component includes a high-temperature liquefier. The mixing box is communicated with the outlet end of the high-temperature liquefier, and the mixing box is connected with a treatment liquid inlet pipeline. The cake pressing component includes a cake pressing cylinder, a first lead screw, and a first lifting plate. The first lifting plate is arranged in the cake pressing cylinder, and the first lifting plate is slidably and hermetically connected with the cake pressing cylinder. The first lead screw penetrates through the first lifting plate and is threadedly connected with the first lifting plate. The mixing box is connected with a liquid outlet pipeline, and the liquid outlet pipeline extends into the cake pressing cylinder. A cooling cylinder is externally covered on the cake pressing cylinder, and a coolant storage cavity is defined between the cooling cylinder and the cake pressing cylinder. The coolant storage cavity is communicated with a drain port. The medical waste treatment device can realize the pyrolysis treatment of plastic medical waste, and at the same time, it is convenient to quickly and effectively form the treated liquid substances for storage and transportation.

[0004] A foreign patent with the application number US14235053 discloses a method and device for heat treatment of waste. The method for heat treatment of waste includes introducing the waste into a bag and placing the bag in a device for treating the waste. The device includes a cylindrical barrel, a detachable closed cover, and a bottom movable in the barrel. After the bag is placed in the device, the heat treatment of the waste is carried out by raising the temperatures of the cover and the bottom and by providing that the cover and the bottom have a holding temperature. At least during the period when the temperatures of the cover and the bottom are rising and before reaching the holding temperature, the cover and the bottom move relative to each other at least once. The temperature difference between the temperature on the cover and the temperature on the bottom does not exceed 2°C.

[0005] Similar to the above dry heat disinfection device, it can disinfect medical waste in time, compress the volume at the same time, and form a solid cake. However, when the above device treats medical waste, it only sterilizes the medical waste by dry heat sterilization method, and the sterilization effect is poor, and it cannot achieve the effect of direct discharge. Moreover, the liquid components in the medical waste cannot be effectively utilized and eliminated, and it will still cause secondary spread of viruses.

[0006] If the moist heat sterilization method is added to the device to treat the liquid components in the medical waste and perform moist heat sterilization through the vaporized liquid components, although the problem of residual liquid components in the medical waste can be solved, due to the different types of components in the medical waste in different collection bags, if the content of the liquid components is too small, the saturation of the steam will decrease, thereby reducing its heat content and penetration power. If the content of the liquid components is too large, the presence of water molecules may hinder the direct contact between the steam and the items to be sterilized. This may lead to uneven sterilization, and some areas may not achieve the expected sterilization effect.

[0007] Moreover, when the collection bag containing medical waste is heated, softened and compressed, the collection bag is likely to adhere to the compression mechanism under the action of high temperature, and it is difficult to separate the collection bag from the device after compression.

[0008] Therefore, it is necessary to invent a dry heat disinfection device for medical waste to solve the above problems. Summary of the Invention

[0009] The purpose of the present invention is to provide a dry heat disinfection device for medical waste to solve the problems raised in the above background technology.

[0010] To achieve the above purpose, the present invention provides the following technical solution: A dry heat disinfection device for medical waste, including a support frame, and the disinfection device further includes: A disinfection mechanism, the disinfection mechanism is arranged on the support frame, the disinfection mechanism includes a connecting piece, a disinfection cavity is arranged inside the connecting piece, heating mechanisms are arranged on the side wall of the disinfection cavity in a circular array, and the disinfection mechanism can perform high-temperature disinfection and softening on medical waste; A compression mechanism, the compression mechanism is arranged on one side of the disinfection mechanism, the compression mechanism includes a compression part and a flange cover, and the compression mechanism can assist the disinfection mechanism to compress and disinfect the softened medical waste; An adjustment mechanism, the adjustment mechanism is connected to the compression mechanism, the adjustment mechanism includes an adjustment cavity, a regulating valve and a liquid supplementing mechanism, the adjustment cavity is arranged on the side of the compression part away from the disinfection cavity, a plurality of the regulating valves are respectively arranged on the flange cover and the compression part, the adjustment cavity is communicated with the plurality of regulating valves through a plurality of connecting pipes, and the adjustment mechanism can adjust the humidity in the disinfection cavity to realize the switching between dry heat disinfection and moist heat disinfection.

[0011] Preferably, the liquid supplementing mechanism is arranged in the adjustment cavity, and the liquid supplementing mechanism is communicated with the regulating valve arranged on the compression part through a connecting pipe. The liquid filled in the liquid supplementing mechanism is a disinfection liquid, and the liquid supplementing mechanism can make the disinfection liquid enter the disinfection cavity through the regulating valve in an electrically controlled manner.

[0012] Preferably, the compression member and the flange cover are respectively arranged at two corresponding ends of the disinfection chamber. The compression member and the flange cover can seal the disinfection chamber, and heating elements are provided at one ends of the compression member and the flange cover that are close to each other.

[0013] Preferably, a temperature sensing probe and a pressure sensor are arranged in the disinfection chamber. The temperature sensing probe can detect the temperature value in the disinfection chamber in real time, and the pressure sensor can detect the pressure value in the disinfection chamber in real time.

[0014] Preferably, a hydraulic mechanism is further arranged on the support frame. The hydraulic mechanism can provide power for the compression mechanism. The compression mechanism further includes a pressurizing push rod. One end of the pressurizing push rod is fixedly connected to the compression member, and a hydraulic cylinder is arranged at the other end of the pressurizing push rod. The hydraulic cylinder is connected to the hydraulic mechanism.

[0015] Preferably, an exhaust gas treatment mechanism is further arranged on the support frame. The exhaust gas treatment mechanism includes a ventilation pipe. One end of the ventilation pipe penetrates through the side wall of the connecting member and is communicated with the disinfection chamber. A gas purification assembly is arranged at the other end of the ventilation pipe. The gas purification assembly is fixedly connected to the support frame, and the gas purification assembly can purify the gas.

[0016] Preferably, a switch valve is arranged at one end of the ventilation pipe connected to the disinfection chamber. The switch valve can control the communication or closing of the disinfection chamber and the ventilation pipe in an electric control manner. An exhaust pipe is further arranged on the gas purification assembly. The exhaust pipe can discharge the purified air outwards. A gas detection assembly is arranged in the gas purification assembly. The gas detection assembly can detect whether the gas entering the gas purification assembly is purified.

[0017] Preferably, a refrigeration mechanism is further arranged on the support frame. The refrigeration mechanism includes a cooling box. A refrigeration pump is arranged above the cooling box. A refrigeration unit is arranged on one side of the cooling box. The refrigeration unit can refrigerate the coolant in the cooling box. The refrigeration pump can make the refrigerating liquid in the cooling box flow towards the compression member and the flange cover respectively, and refrigerate the compression member and the flange cover.

[0018] Preferably, the compression mechanism further includes a displacement sensor. The displacement sensor can monitor the displacement of the compression member in real time. A support rod is arranged on the flange cover. A rotating assembly is arranged at one end of the support rod away from the flange cover. The rotating assembly is fixedly connected to the connecting member. The rotating assembly can drive the flange cover to flip in an electric control manner to seal and open the connecting member.

[0019] Preferably, a control panel is further arranged on the support frame. The control panel is electrically connected to each electrical component. The control panel can control each electrical component to operate.

[0020] Technical effects and advantages of the present invention: 1. Through the mutual cooperation of devices such as the compression mechanism and the disinfection mechanism, the present invention realizes the dry-heat disinfection and moist-heat disinfection of medical waste on the one hand, thereby improving the disinfection effect of medical waste; on the other hand, it can disinfect medical waste in a timely manner, compress the volume at the same time, form a solid cake-like object. The disinfected and compressed medical waste has a small volume, is convenient for stacking, has no risk of virus spread, and can be disposed of together with domestic waste.

[0021] 2. Through the mutual cooperation of devices such as the adjustment mechanism and the compression mechanism, the present invention judges the content of liquid waste in medical waste based on the air pressure value in the disinfection chamber on the one hand, and supplements or extracts the gas used for moist-heat disinfection in the disinfection chamber according to the actual situation, so as to avoid the problem of poor moist-heat disinfection effect caused by too much or too little liquid component; on the other hand, the gas generated by high temperature is recycled and released when the cake-like medical waste is separated from the device, completing the separation of the medical waste from the device, thereby improving the utilization rate of waste gas and effectively solving the problem that it is difficult to separate the compressed medical waste from the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0023] Figure 2 It is a schematic diagram of the overall structure of the present invention from another angle.

[0024] Figure 3 It is a front view of the overall structure of the present invention.

[0025] Figure 4 It is a cross-sectional view of the overall structure of the present invention.

[0026] Figure 5 It is a schematic diagram of the flange cover structure of the present invention.

[0027] Figure 6 It is a schematic diagram of the internal structure of the disinfection mechanism of the present invention.

[0028] Figure 7 For the present invention Figure 6 Schematic diagram of the structure of the mechanism at position A.

[0029] Figure 8 For the present invention Figure 6 Schematic diagram of the structure of the mechanism at position B.

[0030] In the figure: 1. Support frame; 2. Disinfection mechanism; 21. Connector; 22. Disinfection chamber; 3. Compression mechanism; 31. Compression part; 32. Flange cover; 33. Pressing push rod; 34. Hydraulic cylinder; 35. Support rod; 4. Adjustment mechanism; 41. Adjustment chamber; 42. Adjusting valve; 43. Liquid supplement mechanism; 5. Hydraulic mechanism; 6. Exhaust gas treatment mechanism; 61. Vent pipe; 62. Gas purification component; 63. Exhaust pipe; 7. Refrigeration mechanism; 71. Cooling box; 72. Refrigeration pump; 73. Refrigeration unit; 8. Control panel. Specific implementation mode

[0031] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0032] First embodiment To solve the problems of small amounts of medical waste in village clinics, township hospitals, and remote areas, the occupation of space by stacking, and the cumbersome transportation process for centralized disposal, the present invention provides a dry-heat disinfection device for medical waste as shown in Figures 1 to 8 Figure 12, which includes a support frame 1. The disinfection device further includes: a disinfection mechanism 2, the disinfection mechanism 2 is arranged on the support frame 1, the disinfection mechanism 2 includes a connector 21, a disinfection chamber 22 is arranged inside the connector 21, and heating mechanisms are arranged in an annular array on the side wall of the disinfection chamber 22. The disinfection mechanism 2 can perform high-temperature disinfection and softening on medical waste.

[0033] It should be noted that when collecting medical waste, a special collection bag is used to collect medical waste. The collection bag has heat-shrinkable properties and will be stably shaped after cooling, so as to prevent medical waste from scattering in the disinfection chamber 22 during the heating process.

[0034] In this embodiment, a control panel 8 is further arranged on the support frame 1. The control panel 8 is electrically connected to each electrical component, and the control panel 8 can control each electrical component to perform operations.

[0035] In this embodiment, a temperature sensor and a pressure sensor are arranged in the disinfection chamber 22. The temperature sensor can detect the temperature value in the disinfection chamber 22 in real time, and the pressure sensor can detect the pressure value in the disinfection chamber 22 in real time.

[0036] It should be noted that the disinfection chamber 22 includes a heating film, a thermal insulation aerogel, a heating film protective cover, and two temperature sensors. The heating film is closely attached to the outer wall of the disinfection chamber 22. The thermal insulation aerogel and the heating film protective cover are arranged outside the heating film, aiming to concentrate the heat transfer towards the inside of the disinfection chamber 22 and prevent heat dissipation. The two temperature sensors control the temperature of the heating plate and also perform self-checks on each other to avoid abnormal temperature control caused by the sudden failure of one of the temperature sensors.

[0037] In this embodiment, the device further includes a compression mechanism 3. The compression mechanism 3 is arranged on one side of the disinfection mechanism 2. The compression mechanism 3 includes a compression member 31 and a flange cover 32. The compression mechanism 3 can assist the disinfection mechanism 2 to compress and disinfect the softened medical waste.

[0038] It should be noted that the flange cover 32 includes a flange housing, a heat insulation plate, a heating element, and a temperature sensor. The functions of locking, heating, and cooling are realized in an electrically controlled manner. The heat insulation plate is between the flange housing and the heating element, isolating the heat from being conducted to the outside and ensuring that the heat is concentrated and transferred to the medical waste. The two temperature sensors control the temperature of the heating plate and also perform self-checks on each other to avoid abnormal temperature control caused by the sudden failure of one of the temperature sensors.

[0039] Among them, the compression member 31 and the flange cover 32 are respectively arranged at the corresponding two ends of the disinfection chamber 22. The compression member 31 and the flange cover 32 can seal the disinfection chamber 22. Heating elements are provided at the ends of the compression member 31 and the flange cover 32 that are close to each other. A support rod 35 is provided on the flange cover 32. A rotating assembly is provided at the end of the support rod 35 away from the flange cover 32. The rotating assembly is fixedly connected to the connecting member 21. The rotating assembly can drive the flange cover 32 to flip through an electrically controlled manner to seal and open the connecting member 21.

[0040] In this embodiment, a hydraulic mechanism 5 is further provided on the support frame 1. The hydraulic mechanism 5 can provide power for the compression mechanism 3. The compression mechanism 3 further includes a pressure push rod 33. One end of the pressure push rod 33 is fixedly connected to the compression member 31. A hydraulic cylinder 34 is provided at the other end of the pressure push rod 33. The hydraulic cylinder 34 is connected to the hydraulic mechanism 5.

[0041] It should be noted that the compression mechanism 3 further includes a guide barrel, a heat insulation plate, a heating element, two temperature sensors, a lip seal, and a guide belt to realize the functions of heating, cooling, and compression. The guide barrel is arranged below the connecting member 21. The heat insulation plate is between the guide barrel and the heating element, isolating the heat from being conducted to the outside and ensuring that the heat is concentrated and transferred to the medical waste. The pressure push rod 33 performs reciprocating motion in the disinfection chamber 22 through hydraulic drive. A lip seal and a guide belt are added between the pressure push rod 33 and the disinfection chamber 22 to make them seal each other so that the internal liquid will not flow out from below. The two temperature sensors control the temperature of the heating plate and also perform self-checks on each other to avoid abnormal temperature control caused by the sudden failure of one of the temperature sensors.

[0042] The function of the hydraulic mechanism 5 is mainly to make the pressurizing push rod 33 reciprocate in the disinfection chamber 22 to compress medical waste. Moreover, the compression mechanism 3 further includes a displacement sensor, which can real-time detect the displacement of the compression member 31. The position sensor is specifically a laser ranging probe. When it detects that the compression member 31 reaches the set position, the hydraulic system stops working to keep the compression member 31 fixed.

[0043] In this embodiment, an exhaust gas treatment mechanism 6 is further provided on the support frame 1. The exhaust gas treatment mechanism 6 includes a ventilation pipe 61. One end of the ventilation pipe 61 penetrates the side wall of the connecting member 21 and communicates with the disinfection chamber 22. The other end of the ventilation pipe 61 is provided with a gas purification component 62, and the gas purification component 62 is fixedly connected to the support frame 1. The gas purification component 62 can purify the gas.

[0044] It should be noted that the exhaust gas treatment mechanism 6 further includes a fan. The exhaust gas in the disinfection chamber 22 enters the gas purification component 62 through the ventilation pipe 61 and is discharged by the fan.

[0045] Among them, a switch valve is provided at one end of the ventilation pipe 61 connected to the disinfection chamber 22. The switch valve can control the communication or closing of the disinfection chamber 22 and the ventilation pipe 61 in an electric control manner. An exhaust pipe 63 is further provided on the gas purification component 62, and the exhaust pipe 63 can discharge the purified air to the outside. A gas detection component is provided in the gas purification component 62, and the gas detection component can detect whether the gas entering the gas purification component 62 is purified.

[0046] In this embodiment, a refrigeration mechanism 7 is further provided on the support frame 1. The refrigeration mechanism 7 includes a cooling box 71. A refrigeration pump 72 is provided above the cooling box 71, and a refrigeration unit 73 is arranged on one side of the cooling box 71. The refrigeration unit 73 can refrigerate the coolant in the cooling box 71. The refrigeration pump 72 can make the refrigerant in the cooling box 71 flow towards the compression member 31 and the flange cover 32 respectively to refrigerate the compression member 31 and the flange cover 32.

[0047] During use, medical waste is placed into the collection bag, and the flange cover 32 is controlled to open electrically. The collection bag is placed into the disinfection chamber 22. Subsequently, the flange cover 32 is controlled to seal and tighten the disinfection chamber 22, and the flange cover 32, the compression member 31, and the disinfection chamber 22 are controlled to heat the medical waste, so that the temperature in the disinfection chamber 22 is maintained between 150°C and 160°C, and the heat preservation time is between 35 minutes and 60 minutes, thereby effectively disinfecting the medical waste through high temperature. At the same time, the pressurizing push rod 33 is controlled to move towards the direction close to the medical waste to extrude the medical waste. When the disinfection time is reached and the medical waste is compressed to the preset thickness, coolant is introduced into the flange cover 32 and the compression member 31 to cool the compressed medical waste. When the temperature sensor detects that the temperature reaches the preset temperature, the cooling is stopped, and the operator removes the pressed medical waste cake to complete this disinfection.

[0048] During the compression and disinfection process, the exhaust gas generated moves through the ventilation pipe 61 into the gas purification component 62, and the gas purification component 62 purifies the exhaust gas and discharges it from the exhaust pipe 63.

[0049] In the above process, the disinfection chamber 22 is heated by high temperature to disinfect the medical waste in the disinfection chamber 22. While disinfecting, the medical waste becomes soft, the compression device gradually applies pressure, and the disinfected medical waste is compressed into a cake shape. After the disinfection time is reached, the remaining heating plate stops heating, and condensate is introduced to cool the already compressed medical waste. While cooling, the outer collection bag becomes cold and shapes, firmly wrapping the already formed cake of medical waste. After cooling, take it out to complete the disinfection.

[0050] It should be noted that the disinfection chamber 22 in this device uses three-sided heating, including the chamber wall, the flange cover 32, and the pressure push rod 33 (a heating film is attached to the chamber wall, and heating plates are installed on the flange cover 32 and the pressure push rod 33). Through three-sided heating, the medical waste in the chamber can quickly reach 150 °C, and the medical waste is disinfected and sterilized in a continuous 150 °C environment. Since most of the medical waste is plastic products, the plastic becomes soft at 150 °C. While the pressure push rod 33 is heating, the medical waste is pressurized through the hydraulic mechanism 5. After the volume of the medical waste is compressed to the set position, the compression stops. The plastic garbage bag on the outside will also deform and finally become a cake shape. The flange cover 32 and the pressure push rod 33 have the function of cooling by introducing coolant while having the heating function. Coolant is introduced from above and below at the same time to cool the disinfected and formed medical waste to 30 °C, which is convenient for the plastic garbage and the garbage bag to be shaped and for personnel to take out. The waste gas generated during the disinfection process is disposed of through a high-efficiency filter, and the qualified air is discharged into the atmosphere. The medical waste after disinfection and forming has a small volume, is convenient for stacking, and no longer has the risk of virus spread, etc. The stacking space is reduced, and there are no special requirements for the stacking area, and it can be disposed of together with domestic waste. Small batches of medical waste can be processed at any time without having to be stored and centrally processed, which is simple and fast.

[0051] When performing high-temperature disinfection on medical waste, there is a certain amount of moisture in the medical waste, which is converted into high-temperature steam during the high-temperature heating process to disinfect the medical waste in the disinfection chamber 22. At the same time, in a 150 °C environment, through experimental tests, the sterilization temperature is 150 °C; the sterilization time is 45 minutes; the microbial inactivation rate ≥ 99.99%. Thus, dry-heat sterilization and moist-heat sterilization are combined to further improve the disinfection effect, effectively solving the problems of small amounts of medical waste in village clinics, township hospitals, and remote areas, the stacking occupying space, and the cumbersome process of centralized disposal and transportation.

[0052] Second Embodiment However, in actual use, the operator found that when the moist-heat sterilization method is added to this device to treat the liquid components in the medical waste and perform moist-heat sterilization through the vaporized liquid components, although it can solve the problem of residual liquid components in the medical waste, due to the different types of components in the medical waste in different collection bags, if the content of the liquid components is too small, the saturation of the steam will be reduced, thereby reducing its heat content and penetration power. If the content of the liquid components is too large, the presence of water molecules may hinder the direct contact between the steam and the items to be sterilized. This may lead to uneven sterilization, and some areas cannot achieve the expected sterilization effect. Moreover, when the collection bag containing medical waste is heated, softened, and compressed, the collection bag is easily bonded to the compression mechanism 3 under the action of high temperature, and it is difficult to separate the collection bag from the device after compression.

[0053] Therefore, to solve the above technical problems, the device is further improved. The device further includes: an adjusting mechanism 4, the adjusting mechanism 4 is connected to the compression mechanism 3. The adjusting mechanism 4 includes an adjusting cavity 41, an adjusting valve 42 and a liquid supplementing mechanism 43. The adjusting cavity 41 is arranged on the side of the compression member 31 away from the disinfection cavity 22. A plurality of adjusting valves 42 are respectively arranged on the flange cover 32 and the compression member 31. The adjusting cavity 41 is communicated with the plurality of adjusting valves 42 through a plurality of connecting pipes. The adjusting mechanism 4 can adjust the humidity in the disinfection cavity 22 to realize the switching between dry heat disinfection and moist heat disinfection.

[0054] The liquid supplementing mechanism 43 is arranged in the adjusting cavity 41, and the liquid supplementing mechanism 43 is communicated with the adjusting valve 42 arranged on the compression member 31 through a connecting pipe. The liquid filled in the liquid supplementing mechanism 43 is a disinfection liquid. The liquid supplementing mechanism 43 can make the disinfection liquid enter the disinfection cavity 22 through the adjusting valve 42 in an electrically controlled manner.

[0055] During use, after the collection bag is placed in the disinfection cavity 22, the medical waste is subjected to high-temperature disinfection by controlling the heating elements arranged on the flange cover 32 and the compression member 31 and the heating mechanism arranged on the disinfection cavity 22. At the same time, by controlling the pressure push rod 33 to push the compression member 31 to move towards the flange cover 32, the medical waste is compressed. During this process, the air pressure value in the disinfection cavity 22 is detected by the pressure sensor arranged in the disinfection cavity 22. Since the compression member 31 moves at a constant speed and the heating efficiency of the disinfection cavity 22 remains unchanged, the air pressure value in the disinfection cavity 22 is proportional to the evaporation amount of the liquid solution in the disinfection cavity 22, that is, the more the liquid solution content, the higher the air pressure value, and vice versa, the less the liquid solution content, the lower the air pressure value. Therefore, when the pressure sensor detects that the air pressure value in the disinfection cavity 22 is lower than the preset value, it means that the liquid solution content in the disinfection cavity 22 is less at this time and cannot meet the moist heat disinfection. At this time, by controlling the adjusting valve 42 arranged on the compression member 31 to communicate with the disinfection cavity 22, and making the liquid supplementing mechanism 43 send the solution for disinfection into the disinfection cavity 22 through the adjusting valve 42, and vaporizing the liquid disinfection solution through the high temperature in the disinfection cavity 22, so that the humidity and air pressure of the high-temperature gas in the disinfection cavity 22 reach the preset value, and the moist heat disinfection is completed.

[0056] If the pressure sensor detects that the pressure value in the disinfection chamber 22 is greater than the preset value, it indicates that the solution content in the medical waste is excessive. At this time, the control valve 42 provided on the flange cover 32 is connected to the adjustment chamber 41, so that the high-temperature gas in the disinfection chamber 22 can flow into the adjustment chamber 41 through the control valve 42, thereby restoring the air humidity and air pressure in the disinfection chamber 22 to the preset value, further ensuring the damp-heat disinfection effect of the device, and effectively solving the problem that due to the different types of components in the medical waste in different collection bags, if the liquid component content is too low, the steam saturation will decrease, thereby reducing its heat content and penetration power. If the liquid component content is too high, the presence of water molecules may hinder the direct contact between the steam and the items to be sterilized. This may lead to uneven sterilization, and some areas may not achieve the expected sterilization effect.

[0057] When dry-heat disinfection of medical waste is required through this device, the multiple control valves 42 provided on the flange cover 32 and the compression member 31 are controlled to close, and the ventilation pipe 61 is connected to the disinfection chamber 22. The gas in the disinfection chamber 22 is evacuated and purified through the gas purification component 62 and discharged from the exhaust pipe 63, thereby realizing the dry-heat disinfection of medical waste and simultaneously completing the treatment of the exhaust gas after disinfecting the medical waste, avoiding the secondary spread of viruses in the exhaust gas and causing harm.

[0058] When it is necessary to separate the medical waste that has been disinfected and pressed into cakes from the disinfection chamber 22, the control valves 42 provided on the compression member 31 and the flange cover 32 are controlled to open, and the exhaust gas treatment mechanism 6 is controlled to evacuate the gas in the disinfection chamber 22, so that a negative pressure is formed in the disinfection chamber 22, thereby introducing the disinfection gas remaining in the adjustment chamber 41 into the disinfection chamber 22 through the multiple control valves 42. Thus, the cake-shaped medical waste is separated from the flange cover 32 and the compression member 31 through the air flow, and the exhaust gas is recovered through the exhaust gas treatment mechanism 6, effectively solving the problem that the collection bag is easily bonded to the compression mechanism 3 under the action of high temperature and it is difficult to separate the collection bag from the device after compression.

[0059] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A dry heat disinfection device for medical waste, including a support frame, characterized in that, The disinfection device further includes: A disinfection mechanism, which is arranged on the support frame. The disinfection mechanism includes a connecting piece. A disinfection chamber is arranged inside the connecting piece. Heating mechanisms are arranged on the side wall of the disinfection chamber in an annular array. The disinfection mechanism can perform high-temperature disinfection and softening on medical waste; A compression mechanism, which is arranged on one side of the disinfection mechanism. The compression mechanism includes a compression part and a flange cover. The compression mechanism can assist the disinfection mechanism to compress and disinfect the softened medical waste; An adjustment mechanism, which is connected to the compression mechanism. The adjustment mechanism includes an adjustment chamber, a regulating valve and a liquid supplementing mechanism. The adjustment chamber is arranged on the side of the compression part away from the disinfection chamber. A plurality of regulating valves are respectively arranged on the flange cover and the compression part. The adjustment chamber is communicated with the plurality of regulating valves through a plurality of connecting pipes. The adjustment mechanism can adjust the humidity in the disinfection chamber to realize the switching between dry heat disinfection and moist heat disinfection.

2. The dry heat sterilization device according to claim 1, wherein: The liquid supplementing mechanism is arranged in the adjustment chamber, and the liquid supplementing mechanism is communicated with the regulating valve arranged on the compression part through a connecting pipe. The liquid filled in the liquid supplementing mechanism is a disinfection liquid. The liquid supplementing mechanism can make the disinfection liquid enter the disinfection chamber through the regulating valve in an electrically controlled manner.

3. The dry heat sterilization device according to claim 2, characterized in that: The compression part and the flange cover are respectively arranged at the corresponding two ends of the disinfection chamber. The compression part and the flange cover can seal the disinfection chamber. Heating elements are arranged at the ends of the compression part and the flange cover close to each other.

4. The dry heat sterilization device according to claim 3, characterized in that: A temperature sensing probe and a pressure sensor are arranged in the disinfection chamber. The temperature sensing probe can detect the temperature value in the disinfection chamber in real time. The pressure sensor can detect the pressure value in the disinfection chamber in real time.

5. The dry-heat disinfection device according to claim 4, wherein: A hydraulic mechanism is further arranged on the support frame. The hydraulic mechanism can provide power for the compression mechanism. The compression mechanism further includes a pressurizing push rod. One end of the pressurizing push rod is fixedly connected to the compression part. A hydraulic cylinder is arranged at the other end of the pressurizing push rod. The hydraulic cylinder is connected to the hydraulic mechanism.

6. The dry heat sterilization device according to claim 5, characterized in that: An exhaust gas treatment mechanism is further arranged on the support frame. The exhaust gas treatment mechanism includes a ventilation pipe. One end of the ventilation pipe penetrates through the side wall of the connecting piece and is communicated with the disinfection chamber. A gas purification component is arranged at the other end of the ventilation pipe. The gas purification component is fixedly connected to the support frame. The gas purification component can purify the gas.

7. The dry heat sterilization device according to claim 6, characterized in that: A switching valve is arranged at the end of the ventilation pipe connected to the disinfection chamber. The switching valve can control the communication or closing of the disinfection chamber and the ventilation pipe in an electrically controlled manner. An exhaust pipe is further arranged on the gas purification component. The exhaust pipe can discharge the purified air to the outside. A gas detection component is arranged in the gas purification component. The gas detection component can detect whether the gas entering the gas purification component is purified.

8. The dry heat sterilization device according to claim 7, wherein: A refrigeration mechanism is further arranged on the support frame. The refrigeration mechanism includes a cooling box. A refrigeration pump is arranged above the cooling box. A refrigeration unit is arranged on one side of the cooling box. The refrigeration unit can refrigerate the coolant in the cooling box. The refrigeration pump can make the refrigeration liquid in the cooling box flow towards the compression part and the flange cover respectively and refrigerate the compression part and the flange cover.

9. The dry heat sterilization device according to claim 8, characterized in that: The compression mechanism further includes a displacement sensor which can monitor the displacement of the compression member in real time. A support rod is provided on the flange cover. A rotating assembly is provided at one end of the support rod away from the flange cover. The rotating assembly is fixedly connected to the connecting member, and the rotating assembly can drive the flange cover to flip through an electric control method to achieve the sealing and opening of the connecting member.

10. The dry heat sterilization device according to claim 9, wherein: A control panel is further provided on the support frame. The control panel is electrically connected to each electrical component, and the control panel can control each electrical component to perform operations.

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