WO2021083421A2

WO2021083421A2 - Medical waste crushing and dewatering apparatus

Info

Publication number: WO2021083421A2
Application number: PCT/CN2020/137832
Authority: WO
Inventors: 卢思雨; 高锦
Original assignee: 苏州喜全软件科技有限公司
Priority date: 2020-12-20
Filing date: 2020-12-20
Publication date: 2021-05-06
Also published as: WO2021083421A3; DE212020000394U1

Abstract

Disclosed in the present utility model is a medical waste crushing and dewatering apparatus, relating to the technical field of medical waste treatment, and comprising a housing, a compacting cavity being disposed at the top of the housing, a compacting roller being movably connected to the inner wall of the compacting cavity, a drainage transport cavity being disposed at the bottom of the compacting cavity, a transport roller being arranged on the inner wall of the drainage transport cavity, a drainage conveyor belt being movably connected to the outer side of the transport roller, a drainage channel being disposed on one side of the bottom of the drainage transport cavity, a shredding cavity being disposed on the other side of the bottom of the drainage transport cavity, and a shredding roller being arranged on the inner wall of the shredding cavity. In the present utility model, liquid content of the medical waste is removed by means of the use of the compacting roller, and transport and filtration of the medical waste is implemented by means of the squeezing action of the compacting roller and then by means of the drainage conveyor belt, the hard structure of hard material waste in the medical waste being broken, and the waste finally being crushed by means of shredding blades after undergoing compaction and hard structure breaking.

Description

Medical garbage crushing and dehydrating device

Technical field

The utility model relates to the technical field of medical waste treatment, in particular to a medical waste crushing and dehydrating device.

Background technique

Medical waste refers to contaminated waste produced by hospitals that have been in contact with patients' blood and flesh. For example, used gauze, disposable medical equipment, etc., if not handled properly, may become the source of the epidemic.

In order to prevent illegal recycling, medical waste needs to be shredded in time. Medical waste usually includes soft plastics and cloth materials with great toughness and hard structural plastic structures. Existing shredders are prone to jams when crushing medical wastes. Or in the case of incomplete crushing, the existing crushing device also lacks a dehydration mechanism.

Utility model content

The purpose of the present invention is to provide a device for crushing and dewatering medical waste to solve the above-mentioned problems in the background art.

In order to solve the above technical problems, the present invention provides the following technical solutions: a medical waste crushing and dewatering device includes a housing, the top of the housing is provided with a pressing cavity, the inner wall of the pressing cavity is movably connected with a pressing roller, so The bottom of the pressing cavity is provided with a drainage transportation cavity, the inner wall of the drainage transportation cavity is provided with a transportation roller, the outer side of the transportation roller is movably connected with a drainage conveyor belt, and a drainage channel is opened on one side of the bottom of the drainage transportation cavity. The other side of the bottom of the drainage transport cavity is provided with a shredding cavity, the inner wall of the shredding cavity is provided with a shredding roller, the outer side of the shredding roller is provided with a shredding blade, and one end of the shredding roller is fixedly connected There is a driven gear, the outer side of the driven gear is movably connected with a driving gear, the bottom of the shredding cavity is provided with an air-drying cavity, one side of the air-drying cavity is provided with a wind cavity, and the middle of the inner wall of the wind cavity is provided There is a drying board, the inner wall of the wind cavity is provided with a motor seat, the inside of the motor seat is provided with an exhaust motor, the output end of the exhaust motor is provided with an exhaust fan, and one side of the inner wall of the wind cavity A filter plate is provided, a cyclone separator is fixedly connected to one side of the air drying chamber, and a debris separation channel is provided at the bottom of the cyclone separator.

Further, a feeding funnel is provided on the top of the housing, a drive motor is provided on the inner side of the top of the housing, and the output end of the drive motor is fixedly connected to one end of the pressing roller. Movable cavity or support.

Further, the number of the pressing rollers is two and the two are meshed with each other, and a number of pressing blocks are arranged on the outside of the pressing rollers, and the pressing rollers are used to destroy the structure of the hard plastic and destroy its structural strength. And carry out preliminary drainage and dehydration.

Further, pushing wedge blocks are arranged on the outer side of the drainage conveyor belt, drainage holes are arranged on the inner side of the drainage conveyor belt, and the drainage conveyor belt is used for transporting and removing the crushed medical waste.

Further, the bottom of the drainage channel is fixedly connected with a drainage pipe, one side of the wind cavity is provided with a filter screen, and the drainage channel is used to drain the liquid in the drainage transportation cavity.

Further, a heating resistance wire and a dehydrating agent are arranged on the inner side of the drying plate, the heating resistance wire is wound in a coil shape, and the resistance wire is used for heating air of garbage debris for drying and dehydration.

Further, one side of the air-drying cavity is provided with an output pipe, one end of the output pipe is fixedly connected with the top of the cyclone, the shape of the air-drying cavity is in the shape of a funnel, and the air-drying cavity is used for drying debris, And blow the debris into the cyclone separator.

Further, the bottom of the chopping cavity is provided with an anti-overflow device, and the inner wall of the chopping cavity is movably connected with one end of the chopping blade, and the chopping blade can effectively pulverize the compressed medical waste.

Further, one end of the housing is provided with a gear cavity, the inner wall of the gear cavity is movably connected with the outside of the driven gear and the driving gear, and the driven gear and the driving gear transmit power to the shredder roller.

Further, a cut-off motor is provided on the inner side of the middle of the housing, and the movable end of the cut-off motor is fixedly connected to one end of the driving gear, and the driving gear makes the two driven gears meshing with it rotate in two opposite directions. , The driven gear drives the shredding blade to rotate and smash the garbage, and the smashed garbage debris is pushed into the air-drying cavity.

The beneficial effects are:

1. The utility model uses the pressing roller to remove the liquid content of the medical waste. Through the squeezing action of the pressing roller, the medical waste is transported and filtered through the drainage conveyor belt. The hard material waste in the medical waste is hardened. The qualitative structure is destroyed, and finally the rubbish after pressing and destroying the hard structure is crushed by the shredding blade.

2. The utility model uses the exhaust fan to generate wind to blow the shredded debris into the cyclone separator through the air drying cavity for simple separation. The drying plate heats and dries the air, so that the air blown into the air drying cavity can be broken The crumbs are dried and dehydrated.

Description of the drawings

Figure 1 is a schematic front sectional view of the structure;

Figure 2 is a schematic structural diagram of the connection relationship between the driving gear and the transmission gear;

Fig. 3 is a schematic diagram of a partial enlarged structure of part A in Fig. 1;

Fig. 4 is a schematic view of the front structure of the pressing roller.

In the figure: 1. Shell; 2. Pressing cavity; 3. Pressing roller; 4. Drainage transportation cavity; 5. Transport roller; 6. Drainage conveyor belt; 7. Drainage channel; 8. Wind cavity; 9. Drying board; 10. Air drying chamber; 11. Cyclone separator; 12. Chopping chamber; 13. Chopping roller; 14. Chopping blade; 15. Driven gear; 16. Driving gear; 17, Debris separation channel; 18. Motor Seat; 19. Exhaust motor; 20. Exhaust fan; 21. Filter plate.

Detailed ways

Please refer to Figures 1-2 and Figure 4, the present invention provides the following technical solutions: a medical waste crushing and dehydrating device, including a housing 1, the top of the housing 1 is provided with a compression cavity 2, the compression cavity 2 The inner wall is movably connected with a pressing roller 3, the bottom of the pressing cavity 2 is provided with a drainage transportation cavity 4, the inner wall of the drainage transportation cavity 4 is provided with a transportation roller 5, and the outside of the transportation roller 5 is movably connected with a drainage conveyor belt 6, One side of the bottom of the drainage transport cavity 4 is provided with a drainage channel 7, and the other side of the bottom of the drainage transport cavity 4 is provided with a chopping cavity 12, and the inner wall of the chopping cavity 12 is provided with a chopping roller 13, so A shredding blade 14 is provided on the outside of the shredding roller 13, a driven gear 15 is fixedly connected to one end of the shredding roller 13, and a driving gear 16 is movably connected to the outer side of the driven gear 15.

In a preferred embodiment, a feeding funnel is provided on the top of the housing 1, a drive motor is provided on the inner side of the top of the housing 1, and the output end of the drive motor is fixedly connected to one end of the pressing roller 3. The housing 1 is a movable cavity or support for all components.

In a preferred embodiment, the number of the pressing roller 3 is two and the two are in mesh with each other, and the outside of the pressing roller 3 is provided with several pressing blocks, and the pressing roller 3 is used to destroy hard plastics. The structure, destroy its structural force, and carry out preliminary drainage and dehydration.

In a preferred embodiment, a pushing wedge block is arranged on the outer side of the drainage conveyor belt 6, and a drainage hole is arranged on the inner side of the drainage conveyor belt 6, and the drainage conveyor belt 6 is used to transport and remove crushed medical waste.

In a preferred embodiment, the bottom of the drainage channel 7 is fixedly connected with a drainage pipe, one side of the wind cavity 8 is provided with a filter screen, and the drainage channel 7 is used to drain the liquid in the drainage transportation cavity 4.

In a preferred embodiment, the bottom of the shredding cavity 12 is provided with an anti-overflow device, and the inner wall of the shredding cavity 12 is movably connected to one end of the shredding blade 14. The shredding blade 14 can effectively suppress the pressing After the medical waste is crushed.

In a preferred embodiment, one end of the housing 1 is provided with a gear cavity, and the inner wall of the gear cavity is movably connected to the outside of the driven gear 15 and the driving gear 16, and the driven gear 15 and the driving gear 16 Power is transmitted to the shredder roller 13.

In a preferred embodiment, a cut-off motor is provided on the inner side of the middle of the housing 1, and the movable end of the cut-off motor is fixedly connected to one end of the driving gear 16, and the driving gear 16 enables two driven gears to mesh with it. The gear 15 rotates in two opposite directions, and the driven gear 15 drives the shredding blade 14 to rotate and smash the garbage, and the smashed garbage debris is pushed into the air-drying cavity 10.

The specific implementation is as follows: transport the medical waste into the pressing chamber 2, control the rotation of the pressing roller 3, the pressing roller 3 crushes the medical waste, the hard structure of the medium and hard substances of the medical waste is destroyed, and the content of the medical waste is liquid After being squeezed out, the drainage conveyor belt 6 is transported by the transport roller 5. The compressed medical waste is filtered by the drainage conveyor belt 6, and transported to the shredding cavity 12 by the drainage conveyor belt 6, and the driving gear 16 is driven to rotate by the motor. The gear 16 drives the two driven gears 15 to rotate in two opposite directions, and the driven gear 15 drives the shredding roller 13 to rotate in opposite directions. The shredding blade 14 driven by the shredding roller 13 thoroughly cuts and smashes, and finally enters the air-drying cavity. Within 10.

A medical waste crushing and dewatering device as shown in Figures 1 and 3, further comprising a shredding cavity 12, the bottom of the shredding cavity 12 is provided with an air drying cavity 10, and one side of the air drying cavity 10 is provided with a wind cavity 8. The middle of the inner wall of the wind cavity 8 is provided with a drying plate 9, and the inner wall of the wind cavity 8 is provided with a motor seat 18, and the inside of the motor seat 18 is provided with an exhaust motor 19, the exhaust motor 19 An exhaust fan 20 is provided at the output end of the wind chamber 8, a filter plate 21 is provided on one side of the inner wall of the wind cavity 8, a cyclone separator 11 is fixedly connected to one side of the air drying chamber 10, and the bottom of the cyclone separator 11 is provided There are debris separation channels 17.

In a preferred embodiment, a heating resistance wire and a dehydrating agent are arranged inside the drying plate 9, the heating resistance wire is wound in a coil shape, and the resistance wire is used for heating air of garbage debris for drying. And dehydration.

In a preferred embodiment, one side of the air drying chamber 10 is provided with an output pipe, one end of the output pipe is fixedly connected to the top of the cyclone separator 11, and the shape of the air drying chamber 10 is a funnel shape. The air drying chamber 10 is used to dry the debris and blow the debris into the cyclone 11.

The specific implementation is as follows: the air dried and heated by the drying plate 9 in the wind cavity 8 will form a strong hot air flow under the action of the exhaust fan 20 driven by the exhaust motor 19, and the hot air flow will enter the air drying chamber 10 The debris is dried and dehydrated, and a mixture of debris and air is formed and blown into the cyclone 11, the debris is separated from the air by the cyclone 11, and the debris is discharged through the debris separation channel 17.

Claims

A device for crushing and dewatering medical waste, comprising a casing (1), characterized in that: the top of the casing (1) is provided with a pressing cavity (2), and the inner wall of the pressing cavity (2) is movably connected with a pressing roller (3) The bottom of the pressing cavity (2) is provided with a drainage transport cavity (4), the inner wall of the drainage transport cavity (4) is provided with a transport roller (5), and the outside of the transport roller (5) is movable A drainage conveyor belt (6) is connected, one side of the bottom of the drainage transport cavity (4) is provided with a drainage channel (7), and the other side of the bottom of the drainage transport cavity (4) is provided with a chopping cavity (12), The inner wall of the shredding cavity (12) is provided with a shredding roller (13), the outer side of the shredding roller (13) is provided with a shredding blade (14), and one end of the shredding roller (13) is fixedly connected There is a driven gear (15), the outer side of the driven gear (15) is movably connected with a driving gear (16), the bottom of the shredding cavity (12) is provided with an air drying cavity (10), and the air drying cavity ( A wind cavity (8) is opened on one side of 10), a drying plate (9) is arranged in the middle of the inner wall of the wind cavity (8), and a motor seat (18) is arranged on the inner wall of the wind cavity (8), so An exhaust motor (19) is arranged inside the motor seat (18), an exhaust fan (20) is arranged at the output end of the exhaust motor (19), and one side of the inner wall of the wind cavity (8) is arranged A filter plate (21), a cyclone separator (11) is fixedly connected to one side of the air drying chamber (10), and a debris separation channel (17) is provided at the bottom of the cyclone separator (11).
The medical waste crushing and dewatering device according to claim 1, characterized in that: the top of the casing (1) is provided with a feeding funnel, and the inner side of the top of the casing (1) is provided with a drive motor, and the The output end of the driving motor is fixedly connected with one end of the pressing roller (3).
The medical waste crushing and dewatering device according to claim 1, characterized in that: the number of the pressing rollers (3) is two and the two are meshed with each other, and the outside of the pressing rollers (3) are provided with several Bar suppression block.
The medical waste crushing and dewatering device according to claim 1, characterized in that: the drainage conveyor belt (6) is provided with a pushing wedge block on the outer side, and the drainage hole is provided on the inner side of the drainage conveyor belt (6).
The medical waste crushing and dehydrating device according to claim 1, characterized in that: the bottom of the drainage channel (7) is fixedly connected with a drainage pipe, and one side of the wind cavity (8) is provided with a filter screen.
The medical waste crushing and dewatering device according to claim 1, characterized in that: the heating resistance wire and the dehydrating agent are arranged on the inner side of the drying plate (9), and the heating resistance wire is wound in a coil shape.
The medical waste crushing and dewatering device according to claim 1, characterized in that: one side of the air-drying cavity (10) is provided with an output pipe, and one end of the output pipe is fixed to the top of the cyclone (11) Connected, the shape of the air-drying cavity (10) is funnel-shaped.
The medical waste crushing and dehydrating device according to claim 1, characterized in that: the bottom of the shredding cavity (12) is provided with an anti-overflow device, and the inner wall of the shredding cavity (12) and the shredding blade ( 14) One end is movably connected.
The medical waste crushing and dehydrating device according to claim 1, characterized in that: one end of the housing (1) is provided with a gear cavity, and the inner wall of the gear cavity is connected with the driven gear (15) and the driving gear ( 16) The external movable connection.
The medical waste crushing and dewatering device according to claim 1, characterized in that: a cut-off motor is arranged inside the middle of the housing (1), and the movable end of the cut-off motor is fixed to one end of the driving gear (16) connection.