CN114733881A - Miniaturized medical waste innocent treatment device - Google Patents

Abstract

The invention relates to a small-sized harmless treatment device for medical waste, which comprises a feeding device, a steam generator, an electric gate valve and a plurality of microwave generators, wherein a feeding bin is positioned at one side of the feeding device, and the feeding device is used for dumping the medical waste in a turnover box into the feeding bin; the crushing device is arranged at the outlet of the feeding bin and is used for crushing medical waste; a feeding inlet of the feeding device is connected with a crushing outlet of the crushing device; the sterilizing feed port of the sterilizing bin is connected with the feeding and discharging port of the feeding device through an electric gate valve, the sterilizing bin is also connected with a steam generator, and a plurality of microwave generators are fixed on the sterilizing bin; the waste gas treatment device is connected with an exhaust port of the disinfection cabin; the discharging inlet of the discharging device is positioned at the sterilizing outlet of the sterilizing bin, and the discharging pipe of the discharging device is inserted into the top of the recycling bin. The device adopts microwave and high temperature steam to carry out compound disinfection, and the disinfection is fast, effectual, small, can carry out the innocent treatment of medical waste on the spot.

Description

A miniaturized medical waste harmless treatment device

technical field

The invention relates to a medical waste treatment device, in particular to a miniaturized medical waste harmless treatment device.

Background technique

Disinfection is required when disposing of medical waste. Due to the large volume and complicated operation of the existing treatment devices, the medical waste is mainly processed in a centralized manner. However, centralized processing requires the transfer of medical waste, which increases safety risks and complicated regulatory processes. If the disinfection treatment of medical waste can be carried out directly inside the hospital, the risk will be reduced and the supervision will be easier.

SUMMARY OF THE INVENTION

In order to solve the above problems, the present invention provides a miniaturized medical waste harmless treatment device that occupies a small area, has a high degree of automation, is simple to operate, and is suitable for on-site treatment of medical waste in hospitals. The specific technical scheme is:

A miniaturized medical waste harmless treatment device, comprising a feeding device, a steam generator, an electric gate valve and several microwave generators, and further comprising: a feeding bin, the feeding bin is located on one side of the feeding device , the feeding device is used to dump the medical waste in the turnover box into the feeding bin; the pulverizing device is installed at the outlet of the feeding bin to pulverize the medical waste; the feeding device , the feeding inlet of the feeding device is connected with the pulverizing outlet of the pulverizing device; the sterilizing bin, the sterilizing inlet of the sterilizing bin is connected to the feeding outlet of the feeding device through the electric gate valve , the sterilization chamber is also connected with the steam generator, and a plurality of the microwave generators are fixed on the sterilization chamber; a waste gas treatment device, the waste gas treatment device is connected with the exhaust port of the sterilization chamber; The material discharge and feed port of the discharge device is located at the disinfection discharge port of the sterilization bin, and the discharge pipe of the discharge device is inserted into the top of the recovery bucket.

Preferably, it also includes a silo closing device, and the silo closing device includes: a top sealing plate, the top sealing plate is fixed on the top of the feeding silo; a movable sealing plate, the movable sealing plate is slidably installed on the on the feeding silo, which is located on one side of the top sealing plate; and a feeding cylinder, two ends of the feeding cylinder are respectively connected with the movable sealing plate and the top sealing plate for opening and closing the Active cover.

Further, it also includes a feeding sterilization device, the feeding sterilizing device includes an ultraviolet lamp and/or a spray sterilizing device, and the feeding sterilizing device is installed in the feeding bin for sterilizing medical waste.

Among them, it also includes a negative pressure sterilization device, the negative pressure sterilization device is connected with the feeding bin, and the negative pressure sterilizing device is used to form a negative pressure in the feeding bin and sterilize the air inhaled into the feeding bin and treatment, the negative pressure disinfection device is also connected with the exhaust gas treatment device.

Preferably, the sterilization bin comprises: a sterilization cylinder, a sterilization inlet, a sterilization outlet, a steam inlet and a plurality of microwave holes are arranged on the sterilization cylinder, and the electric gate valve is installed on the sterilization inlet, so The steam inlet is connected with the steam generator, and the microwave generator is fixed on the microwave hole; the pressure relief valve is installed on the sterilization cylinder; the warehouse door is hinged on the The sterilization outlet of the sterilization cylinder is used to close the sterilization outlet; a door opening device, which is respectively connected with the sterilization cylinder and the warehouse door, is used for opening the warehouse door; a lock A door device, the door locking device is installed on the sterilization cylinder, and is movably connected with the warehouse door, for locking the warehouse door; and a stirring device, the stirring device is installed in the sterilization cylinder, with For mixing materials and discharging materials.

Preferably, the stirring device includes: a sealing bearing seat, the sealing bearing seat is fixed on one end of the sterilization cylinder; a fixing bracket, the fixing bracket is fixed in the sterilizing cylinder and located at one end of the warehouse door ; Tail bearing seat, the tail bearing seat is fixed on the fixed bracket; stirring shaft, the two ends of the stirring shaft are respectively fixed on the sealing shaft seat and the tail bearing seat, and the stirring shaft is provided with There are several stirring blades; and a stirring motor, which is fixed on the sealing bearing seat and connected with the stirring shaft.

Further, the door locking device includes: a fixed lock ring, the fixed lock ring is fixed on one end of the sterilization cylinder, and a rotation groove is provided on the fixed lock ring; a movable lock ring is provided on the movable lock ring. There are a locking groove, a rotating ring and a locking ring. The rotating ring and the locking ring are respectively located on both sides of the locking groove. The rotating ring is rotatably installed in the rotating groove. There are several slots, the slots communicate with the locking groove; and a rotating cylinder, two ends of the rotating cylinder are respectively connected with the sterilizing cylinder and the movable lock ring in rotation, for driving the movable lock ring Rotating; a plurality of locking blocks are arranged in the annular array on the warehouse door, and the locking blocks are matched with the slots and are used to be inserted into the locking slots through the slots.

Preferably, it also includes: a container body, the container body is provided with a feeding window, the feeding device, the steam generator, the feeding bin, the crushing device, the feeding device, the sterilizing bin, the waste gas treatment device and the discharging device are installed in the container body, the feeding device is located on one side of the feeding window, and the discharging pipe of the discharging device is located outside the container body.

Preferably, it further comprises: a feeding baffle, the feeding baffle is slidably mounted on the feeding window; and

a feeding cylinder, which is fixed on the container body and connected with the feeding baffle.

Further, it also includes: an ultraviolet lamp, which is installed in the container body; and an ozone device, which is installed in the container body.

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

The miniaturized medical waste harmless treatment device provided by the invention adopts microwave and high-temperature steam for composite disinfection, has fast disinfection speed, good effect, small volume and simple operation, and can realize on-site treatment of medical waste in hospitals and isolation points. Harmless treatment, no dioxin, VOCs and other pollution will be produced.

Description of drawings

Fig. 1 is the perspective view of the first viewing angle of embodiment one;

Fig. 2 is the perspective view of the second view angle of embodiment one;

Fig. 3 is the top view of embodiment one;

Fig. 4 is the structural representation of the feeding device;

Fig. 5 is the assembly schematic diagram of the feeding bin, pulverizing device and feeding device;

Fig. 6 is the perspective view of Fig. 5;

Fig. 7 is the structural representation of pulverizing device;

Fig. 8 is the structural representation of sterilization chamber;

Fig. 9 is the top view of sterilization chamber;

Figure 10 is a cross-sectional view of a sterilization chamber;

Figure 11 is a schematic structural diagram of a warehouse door and a door opening device;

Figure 12 is a schematic structural diagram of the door locking device;

Fig. 13 is the structural representation of the movable lock ring;

Fig. 14 is the structural representation of the stirring device;

Figure 15 is a schematic structural diagram of a discharging device;

16 is a schematic structural diagram of Embodiment 2;

FIG. 17 is a plan view of the second embodiment.

Detailed ways

The present invention will now be further described with reference to the accompanying drawings.

Example 1

As shown in Figures 1 to 15, a miniaturized medical waste harmless treatment device includes a feeding device 11, a steam generator 61, an electric gate valve 32, a microwave generator 51, a feeding bin 21, and a feeding disinfection device , crushing device 25, feeding device 31, disinfection bin 4, waste gas treatment device 63, discharging device 33, negative pressure disinfection device 64 and water softener 62.

The feeding device 11 is a chain-type feeding device, which is an existing product, and will not be described in detail here. The feeding device 11 realizes automatic feeding, which saves labor. The loading rack 111 of the loading device 11 is equipped with a weighing sensor, which can measure the weight of the medical waste, so as to facilitate the control of the subsequent disinfection time.

The feeding bin 21 is installed on the top of the feeding rack 26, the feeding rack 26 is connected with the feeding device 11, and the feeding bin 21 is located on one side of the feeding device 11. When the turnover box 12 is turned over, the top of the feeding bin 21 is Just below the turnover box 12 .

The feeding bin 21 is provided with a bin closing device, and the bin closing device includes a top sealing plate 22, a movable sealing plate 24 and a feeding cylinder. The top sealing plate 22 is fixed on the top of the feeding bin 21, and there is a feeding inlet 23. The two sides of the feeding inlet 23 are symmetrically provided with sliding grooves, and the movable sealing plate 24 is slidably inserted in the sliding groove; The ends are respectively connected with the movable sealing plate 24 and the top sealing plate 22 , and the feeding cylinder is arranged in parallel with the movable sealing plate 24 . The movable sealing plate 24 is opened when the piston rod of the feeding cylinder is extended, and the movable sealing plate 24 is closed when the piston rod of the feeding cylinder is retracted. The odor overflows, and a closed environment is formed for processing, so as to avoid flying into and out of the silo 21 when the medical waste is crushed, so as to ensure that no dust is flying out.

The feeding sterilizing device is installed in the feeding bin 21 for sterilizing medical waste. The feeding disinfection device includes ultraviolet lamp and spray disinfection device. The ultraviolet lamp is installed on the top sealing plate 22 and is located inside the feeding bin 21 . The nozzles of the spray disinfection device are installed on the top sealing plate 22 for spraying disinfectant. The spray disinfection device is an existing mature product and will not be described in detail here.

The negative pressure disinfection device 64 is provided with a negative pressure fan, an ultraviolet lamp, an activated carbon, a primary filter and a high-efficiency filter for preliminary treatment of the exhaust gas. The negative pressure sterilizing device 64 is connected to the feeding bin 21 through a pipeline, and exhausts the feeding bin 21, thereby forming a negative pressure in the feeding bin 21, avoiding the overflow of odor, and preventing the pulverized powder from escaping, with high safety. . The negative pressure disinfection device 64 is also connected to the exhaust gas treatment device 63 , and sends the preliminarily treated exhaust gas to the exhaust gas treatment device 63 for further treatment, so as to meet the emission standards. The negative pressure disinfection device 64 and the waste gas treatment device 63 are existing mature products, and will not be described in detail here. The waste gas treatment device 63 uses spraying, filtration, UV photolysis, plasma, activated carbon and other methods to jointly carry out waste gas treatment, so that the waste gas reaches the emission standard.

The pulverizing device 25 is a shredder, which is used for pulverizing medical waste, which can realize the arch breaking of the pressing material, prevent entanglement and breakage, and the broken particle size is less than 2cm. The crushing device 25 is fixed on the feeding rack 26 and is connected with the bottom of the feeding bin 21 . The bottom of the pulverizing device 25 is equipped with a pulverizing discharge cylinder 251, and the pulverizing and discharging cylinder 251 forms a pulverizing discharge port.

The feeding device 31 is a screw feeder, and one end of the feeding device 31 is provided with a feeding feeding hopper 311 , which forms a feeding feeding port, and is sealedly connected with the pulverizing and discharging barrel 251 . The other end of the feeding device 31 is provided with a feeding and discharging pipe 312 , the feeding and discharging pipe 312 forms a feeding and discharging port, and the feeding and discharging pipe 312 is connected with the electric gate valve 32 .

The sterilization chamber 4 includes a sterilization cylinder 41, a pressure relief valve 52, a chamber door 42, a door opening device, a door locking device and a stirring device. The sterilization cylinder 41 is cylindrical, one end of the sterilization cylinder 41 is open, and the opening forms a sterilization discharge port; the other end of the sterilization cylinder 41 is closed by the end plate 411, the sterilization cylinder 41 is set horizontally, and two support frames 415 are installed at the bottom. . The top of the sterilization cylinder 41 is provided with a sterilization feed port 412 and a steam inlet 413. The sterilization feed port 412 is connected to the electric gate valve 32. The electric gate valve 32 is opened during feeding and closed during sterilization, so that a certain amount of space can be formed inside the sterilization chamber 4. high pressure. The steam inlet 413 is connected to the steam generator 61 through a pipeline for inputting steam. The top of the sterilizing cylinder 41 is also equipped with a pressure relief valve 52, a safety valve, a temperature gauge 53 and a pressure gauge 54. The pressure relief valve 52 is connected to the exhaust gas treatment device 63, and when the pressure is released, the exhaust gas is discharged into the exhaust gas treatment device 63 for treatment, so that the discharged exhaust gas meets the emission standard. The two sides of the top of the sterilizing cylinder 41 are respectively equipped with three connecting cylinders 414. The connecting cylinders 414 communicate with the interior of the sterilizing cylinder 41. The microwave generator 51 is fixed on the connecting cylinder 414 and transmits microwaves to the interior of the sterilizing cylinder 41 through the connecting cylinders 414. An observation window 55 is installed on the end plate 411 to observe the internal situation. The bottom of the sterilizing cylinder 41 is provided with a drain pipe 416 . The bin door 42 is fixed to the open end of the sterilization cartridge 41 through a hinge 433 .

The door opening device includes a door opening cylinder 43, the tail of the door opening cylinder 43 is rotatably mounted on the sterilizing cylinder 41 through a first connecting seat 431, and the piston end of the door opening cylinder 43 is rotatably connected to one side of the warehouse door 42 through a first fisheye joint 432, and the door is opened. When the piston rod of the air cylinder 43 is extended, the warehouse door 42 is closed, and when the piston rod of the opening cylinder 43 is retracted, the warehouse door 42 is opened to realize the automatic opening and closing of the warehouse door 42 . The warehouse door 42 is equipped with an electronic pressure gauge 56 for remote monitoring, which is convenient for supervision and improves safety.

The door locking device includes a fixed lock ring 44 , a movable lock ring 45 , a rotating cylinder 46 and a limit block 47 . The fixed lock ring 44 is welded on the open end of the sterilization cylinder 41 , and the fixed lock ring 44 is provided with an annular rotating groove 441 and a sealing groove 442 . The sealing groove 442 is used to install the sealing ring. The movable lock ring 45 is provided with a locking groove 452, a rotating ring 451 and a locking ring 453. The rotating ring 451 and the locking ring 453 are respectively located on both sides of the locking groove 452. The rotating ring 451 is rotated and installed in the rotating groove 441, and the locking ring 453 The annular array is provided with a plurality of slots 454 , and the slots 454 communicate with the locking slots 452 . There are several limit blocks 47, and they are all fixed on the sterilization cylinder 41. The limit blocks 47 are arranged in a circular array around the movable lock ring 45, which are used to limit the movable lock ring 45 to rotate in the rotation groove 441, and raise the lock ring 453. security. There are two rotating cylinders 46, which are located at the top and bottom of the sterilizing cylinder 41 respectively. The tail of the rotating cylinder 46 is rotatably mounted on the sterilizing cylinder 41 through the second connecting seat 461, and the end of the piston rod of the rotating cylinder 46 passes through the second fisheye joint. 462 is rotatably connected with the movable lock ring 45 . The movable lock ring 45 can be pushed to rotate when the piston rod of the rotary cylinder 46 is extended and retracted. A plurality of locking blocks 421 are arranged in a circular array on the warehouse door 42 . The locking blocks 421 are matched with the slots 454 and are used to be inserted into the locking slots 452 through the slots 454 . The locking groove 452 is in contact with the sealing ring to achieve sealing.

The stirring device includes a sealing bearing seat 482 , a fixing bracket 486 , a tail bearing seat 485 , a stirring shaft 483 and a stirring motor 481 . The sealing bearing seat 482 is equipped with a plurality of skeleton sealing rings, the sealing bearing seat 482 is fixed on the end plate 411 of the sterilizing cylinder 41 , and the stirring motor 481 is fixed on the sealing bearing seat 482 . The fixed bracket 486 is fixed on the fixed lock ring 44 , the rear bearing seat 485 is fixed on the fixed bracket 486 , and the rear bearing seat 485 is coaxial with the sealing bearing seat 482 and coaxial with the sterilizing cylinder 41 . The two ends of the stirring shaft 483 are respectively fixed on the sealing bearing seat 482 and the rear bearing seat 485. A number of stirring blades 484 are installed on the stirring shaft 483. The stirring blades 484 are arranged in an annular array and are also arranged in an array along the axis of the stirring shaft 483. The stirring shaft 483 One end is also connected to the stirring motor 481.

The water softener 62 is connected to the steam generator 61 for providing the steam generator 61 with a water source.

The discharge device 33 is a screw feeder, and one end of the discharge device 33 is provided with a discharge feed hopper 331 , the discharge feed hopper 331 forms a discharge feed port, and the discharge feed hopper 331 is fixed on the discharge rack 333 , and is located below the disinfection outlet of the disinfection bin 4. The other end of the discharging device 33 is provided with a discharging pipe 332 , and the discharging pipe 332 is located on the top of the recycling barrel 34 , and sends the sterilized medical waste into the recycling barrel 34 .

The discharging device 33 and the feeding device 31 use inclined screw feeders to transport materials, which reduces the occupied area and has a small volume. The overall modular structure makes the assembly easy and the volume is small. The daily processing capacity is 150-500 Kilograms can be deployed in hospitals and isolation points, and can also be flexibly transported and deployed.

The temperature of steam sterilization is 130-145℃, the pressure is 0.33MPa, the frequency of microwave is 2450MHz, the sterilization time is 3-5min, and the water consumption is 0.07L/Kg. Using various means such as UVC deep ultraviolet, high temperature steam, microwave radiation, chemical disinfectant spray, etc., the whole process of disposal is compounded sterilized and disinfected to achieve thorough and efficient harmless disposal, no pollution such as dioxins, and easy to use. .

When working, put the medical waste into the turnover box 12, insert the turnover box 12 on the feeding rack 111 of the feeding device 11, the feeding rack 111 rises to the top of the feeding rack 111, and turn the turnover box 12, the feeding cylinder The piston rod of the feeding cylinder is extended, the movable sealing plate 24 is opened, the medical waste in the turnover box 12 enters the feeding bin 21 through the feeding inlet 23, and then the piston rod of the feeding cylinder is retracted, and the movable sealing plate 24 closes the feeding bin 21. , the ultraviolet lamp in the feeding bin 21 is turned on, the spray disinfection device sprays the disinfectant, the pulverizing device 25 starts to pulverize the medical waste, and pulverizes the medical waste into 2cm pieces. 64 The feeding bin 21 is exhausted, and the inhaled waste gas is treated. The crushed medical waste falls into the feeding hopper 311 of the feeding device 31, the feeding device 31 lifts the medical waste up to the top of the disinfection bin 4, the electric gate valve 32 is opened, and the medical waste enters the disinfection through the disinfection feeding port 412. Inside the warehouse 4, then the electric gate valve 32 is closed, the pressure relief valve 52 is closed at the same time, and the warehouse door 42 is locked; then the microwave generator 51 is opened, and the microwave of 2450MHz is applied to the medical waste. When the microwave is absorbed by the medical waste, The polar molecules of medical waste oscillate rapidly at a frequency of 2450MHz per second, which makes the molecules collide with each other to generate a large amount of frictional heat, and realizes rapid heating of medical debris. The microwave sterilization method is used to sterilize medical waste, which is convenient to use and has high sterilization efficiency. At the same time, steam is fed through the steam inlet 413 of the sterilization cylinder 41, and high-temperature steam with a pressure not exceeding 0.5MPa and a temperature not exceeding 158°C is injected, so that the pressure inside the sterilization cylinder 41 is maintained at 0.33-0.5MPa, and the temperature is maintained at 130- between 145°C. At the same time, the stirring motor 481 is started, and the medical waste is turned and stirred by the stirring blade 484 to ensure that the material is evenly heated and pressed and receives microwave radiation. The high-temperature steam and microwave work together to greatly improve the disinfection effect. The medical waste is subjected to the combined action of high pressure and high temperature steam and microwave radiation in the disinfection cylinder 41 for about 3-5 minutes. The microwave generator 51 is turned off, the steam is turned off, the stirring motor 481 is turned off, the pressure relief valve 52 is opened, and the waste gas is transported to the waste gas treatment device 63 Carry out exhaust gas treatment to make the exhaust gas meet the standard and then discharge. After the sterilization cylinder 41 is depressurized, the piston rod of the rotary cylinder 46 is extended, the movable lock ring 45 is rotated until the slot 454 is aligned with the locking block 421, and then the piston of the door opening cylinder 43 is retracted, the warehouse door 42 is automatically opened, and the stirring motor is started. 481, the medical waste that has undergone sterilization, sterilization and harmless treatment is discharged from the disinfection cylinder 41 through the disinfection outlet, and the medical waste enters the discharge and feed hopper 331 of the discharge device 33, and then is transported to the recycling bucket 34 through the discharge device 33. Inside, recycled medical waste is sent to landfills or incineration power plants for subsequent treatment. Repeating the above process can continuously achieve efficient and harmless disposal of medical waste.

Embodiment 2

On the basis of the above-mentioned first embodiment, as shown in FIG. 16 and FIG. 17 , a container body 71 is further included. The container body 71 is provided with a feeding window 711, a feeding device 11, a steam generator 61, a feeding bin 21, The crushing device 25 , the feeding device 31 , the sterilizing bin 4 , the waste gas treatment device 63 , the negative pressure sterilizing device 64 , the discharging device 33 and the water softener 62 are all installed in the container body 71 . On the side, the discharge pipe 332 of the discharge device 33 is located outside the container body 71 , and the exhaust gas treatment device 63 and the negative pressure disinfection device 64 are both installed on the top of the container body 71 . The loading device 11 and the steam generator 61 are respectively located at both ends of the container body 71 , and the sterilization bin 4 is located between the loading device 11 and the steam generator 61 .

A feeding baffle 72 is slidably mounted on the feeding window 711 . The feeding baffle 72 is connected with the piston rod of the feeding cylinder 73 , and the tail of the feeding cylinder 73 is fixed on the container body 71 for opening and closing the feeding window 711 . When feeding, the feeding baffle 72 is opened, and the feeding baffle 72 is closed at other times to form a closed space.

The interior of the container body 71 is also equipped with a disinfection unit. The disinfection unit includes an ultraviolet lamp and an ozone device, which is sterilized by UVC deep ultraviolet rays and ozone, and the internal space of the device is air-sterilized when the device is running or out of service.

A miniaturized medical waste harmless treatment device automatically feeds materials through a feeding device, realizing single-person operation, labor-saving feeding, preliminary disinfection when crushing materials, and negative pressure crushing at the same time to avoid powder leakage; high temperature steam And microwave radiation disinfection, high efficiency, thorough disinfection, and safe discharge through the negative pressure device and waste gas treatment device, integrated through the container body, flexible transfer, mobile deployment.

The technical principle of the present invention has been described above with reference to the specific embodiments. These descriptions are only for explaining the principle of the present invention, and should not be construed as limiting the protection scope of the present invention in any way. Based on the explanations herein, those skilled in the art can think of other specific embodiments of the present invention without creative efforts, and these methods will fall within the protection scope of the claims of the present invention.

Claims (10)

1. The utility model provides a miniaturized medical waste innocent treatment device, includes loading attachment (11), steam generator (61), electric gate valve (32) and a plurality of microwave generator (51), its characterized in that still includes:

the feeding bin (21), the feeding bin (21) is positioned at one side of the feeding device (11), and the feeding device (11) is used for dumping the medical waste in the turnover box (12) into the feeding bin (21);

a crushing device (25), the crushing device (25) being installed at an outlet of the inlet bin (21) for crushing medical waste;

the feeding inlet of the feeding device (31) is connected with the crushing outlet of the crushing device (25);

the sterilizing feed port (412) of the sterilizing bin (4) is connected with the feeding and discharging port of the feeding device (31) through the electric gate valve (32), the sterilizing bin (4) is also connected with the steam generator (61), and the microwave generators (51) are fixed on the sterilizing bin (4);

the waste gas treatment device (63), the waste gas treatment device (63) is connected with the exhaust port (413) of the disinfection cabin (4); and

the discharging and feeding hole of the discharging device (33) is positioned at the sterilizing and discharging hole of the sterilizing bin (4), and the discharging pipe (332) of the discharging device (33) is inserted into the top of the recycling bin (34).

2. The miniaturized medical waste harmless treatment device according to claim 1, further comprising a bin closing device, wherein the bin closing device comprises:

the top sealing plate (22), the top sealing plate (22) is fixed on the top of the feed bin (21);

the movable sealing plate (24) is slidably mounted on the feeding bin (21) and is positioned on one side of the top sealing plate (22); and

and the two ends of the feeding cylinder are respectively connected with the movable sealing plate (24) and the top sealing plate (22) and are used for opening and closing the movable sealing plate (24).

3. The miniaturized medical waste harmless treatment device according to claim 2, further comprising an inlet sterilizing device, wherein the inlet sterilizing device comprises an ultraviolet lamp and/or a spray sterilizing device, and the inlet sterilizing device is installed in the inlet bin (21) and is used for sterilizing medical waste.

4. The miniaturized medical waste harmless treatment device according to claim 3, further comprising a negative pressure sterilizing device (64), wherein the negative pressure sterilizing device (64) is connected with the feeding bin (21), the negative pressure sterilizing device (64) is used for forming negative pressure in the feeding bin (21) and sterilizing and treating sucked air in the feeding bin (21), and the negative pressure sterilizing device (64) is further connected with the waste gas treatment device (63).

5. The miniaturized medical waste innocent treatment device according to claim 1, wherein the sterilization chamber (4) comprises:

the sterilization device comprises a sterilization cylinder (41), wherein a sterilization feed port (412), a sterilization discharge port, a steam inlet (413) and a plurality of microwave holes are formed in the sterilization cylinder (41), an electric gate valve (32) is installed on the sterilization feed port (412), the steam inlet (413) is connected with a steam generator (61), and a microwave generator (51) is fixed on the microwave holes;

a pressure relief valve (52), said pressure relief valve (52) mounted on said sterilization cartridge (41);

the bin gate (42) is hinged to the disinfection discharge port of the disinfection barrel (41) and used for sealing the disinfection discharge port;

the door opening device is respectively connected with the sterilizing barrel (41) and the bin door (42) and is used for opening the bin door (42);

the door locking device is arranged on the sterilizing barrel (41), is movably connected with the bin door (42) and is used for locking the bin door (42); and

and the stirring device is arranged in the disinfection cylinder (41) and is used for stirring materials and discharging the materials.

6. The miniaturized medical waste harmless treatment device according to claim 5, wherein the stirring device comprises:

a sealing bearing seat (482), wherein the sealing bearing seat (482) is fixed at one end of the disinfection cylinder (41);

a fixed bracket (486), wherein the fixed bracket (486) is fixed in the disinfection cylinder (41) and is positioned at one end of the bin gate (42);

the tail bearing seat (485), the tail bearing seat (485) is fixed on the fixed bracket (486);

the two ends of the stirring shaft (483) are respectively fixed on the sealing bearing seat (482) and the tail bearing seat (485), and a plurality of stirring blades (484) are arranged on the stirring shaft (483); and

the stirring motor (481) is fixed on the sealing bearing seat (482) and is connected with the stirring shaft (483).

7. The miniaturized medical waste harmless treatment device according to claim 5, wherein the door locking device comprises:

the fixed lock ring (44), the said fixed lock ring (44) is fixed on one end of the said sterilizing cylinder (41), there are rotating slots (441) on the said fixed lock ring (44);

the locking device comprises a movable locking ring (45), wherein a locking groove (452), a rotating ring (451) and a locking ring (453) are arranged on the movable locking ring (45), the rotating ring (451) and the locking ring (453) are respectively positioned at two sides of the locking groove (452), the rotating ring (451) is rotatably installed in a rotating groove (441), a plurality of inserting grooves (454) are arranged on the locking ring (453) in an annular array, and the inserting grooves (454) are communicated with the locking groove (452); and

the two ends of the rotary air cylinder (46) are respectively and rotatably connected with the sterilizing cylinder (41) and the movable locking ring (45) and used for driving the movable locking ring (45) to rotate;

the annular array is equipped with a plurality of locking pieces (421) on door (42), locking piece (421) with slot (454) phase-match is used for through slot (454) insert in locking groove (452).

8. The miniaturized harmless treatment device for medical waste according to any one of claims 1 to 7, further comprising: the container body (71), be equipped with feeding window (711) on the container body (71), loading attachment (11), steam generator (61), pan feeding storehouse (21), reducing mechanism (25), material feeding unit (31), disinfection storehouse (4), exhaust treatment device (63) and discharging device (33) are all installed in the container body (71), loading attachment (11) are located one side of feeding window (711), discharging pipe (332) of discharging device (33) are located the outside of container body (71).

9. The miniaturized harmless treatment device for medical waste of claim 8, further comprising:

a feed baffle (72), the feed baffle (72) being slidably mounted on the feed window (711); and

the feeding cylinder (73), feeding cylinder (73) are fixed on container body (71), and with feeding baffle (72) are connected.

10. The miniaturized harmless treatment device for medical waste of claim 8, further comprising:

an ultraviolet lamp mounted within the container body (71); and

an ozone device mounted within the container body (71).

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