CN209101283U - A medical waste pretreatment device - Google Patents

Abstract

The utility model relates to a medical waste pretreatment device, which comprises a casing, a feeding port and a discharging port are respectively arranged at the top and bottom of the casing, and a grinding cavity and a sterilizing cavity are arranged in the casing, which are separated from each other. The grinding cavity and the sterilizing cavity are respectively provided with a grinding component and a sterilizing component; the bottoms of the grinding cavity and the sterilizing cavity are communicated through a pushing component, the top of the grinding cavity is communicated with the bottom of the feeding port, and the The bottom of the sterilization chamber is communicated with the discharge port; the pushing component transports the garbage ground in the grinding chamber to the discharge port through the sterilization chamber. Compared with the prior art, the utility model grinds the medical waste through the grinding component of the grinding chamber, and then sterilizes the ground garbage through the sterilizing chamber and collects it from the discharge port through the pushing component, so that the medical waste can be disposable. The grinding and sterilization treatment is completed, which has the advantages of high work efficiency and good treatment effect.

Description

A medical waste pretreatment device

technical field

The utility model relates to the technical field of medical equipment, in particular to a medical waste pretreatment device.

Background technique

Medical waste refers to the polluting waste produced by the hospital after contact with the blood and body of the patient, such as used cotton balls, gauze, tape, waste water, disposable medical equipment, post-operative waste, expired medicines, etc. . Because medical waste has the characteristics of space pollution, acute infection and latent pollution, its viruses and bacteria are tens, hundreds or even thousands of times more harmful than ordinary domestic waste. If it is not handled properly, it will cause serious pollution to the environment. It may also become the source of epidemics. For the current medical waste, the common treatment method is incineration, and some medical wastes are large in size and cannot be cleaned by direct incineration. They need to be ground and pulverized in advance, and because the medical waste contains various bacteria and viruses, if Incineration without disinfection can easily lead to the spread of bacteria and viruses into the atmosphere. There is currently a lack of a device for rapid pretreatment of medical waste.

Utility model content

The purpose of the present utility model is to provide a medical waste pretreatment device in order to overcome the above-mentioned defects of the prior art.

The purpose of the present utility model can be achieved through the following technical solutions:

A medical waste pretreatment device, comprising a casing, a feeding port and a discharging port are respectively provided at the top and bottom of the casing, and a grinding chamber and a sterilizing chamber are spaced apart in the casing, and the grinding chamber is A grinding component and a sterilizing component are respectively provided in the sterilizing cavity and the grinding cavity; the bottoms of the grinding cavity and the sterilizing cavity are communicated through the pushing component, the top of the grinding cavity is communicated with the bottom of the feeding port, and the bottom of the sterilizing cavity is communicated with each other. communicated with the discharge port; the pusher assembly transports the garbage ground in the grinding chamber to the discharge port through the sterilization chamber.

Preferably, the grinding assembly includes a laterally arranged grinding plate and a grinding rod; the grinding rod is provided with a plurality of grinding wheels, the grinding wheels are arranged on the upper surface of the grinding plate, and the middle of the grinding rod is A first rotating shaft is vertically arranged, and the first rotating shaft is connected with the output shaft of the first motor; the grinding plate is provided with a material-penetrating hole, and the pushing component is arranged below the grinding plate.

Preferably, the grinding wheel has a grinding wheel structure, and the grinding particle protrusions are evenly distributed on the wheel wall of the grinding wheel.

Preferably, the sterilizing assembly includes a sterilizing solution tank, a liquid conduit and a sterilizing spray head, the disinfecting solution tank is connected to the sterilizing spray head through a liquid conduit, a liquid pump is provided on the liquid conduit, and the sterilizing spray head faces Pusher assembly at the bottom of the sanitizer chamber.

Preferably, the sterilizing assembly further includes a branch pipe, a plurality of the sterilizing nozzles are provided on the branch pipe, and the liquid conduit is connected to the sterilizing nozzle through the branch pipe.

Preferably, the pusher assembly includes a laterally arranged pusher roller, and one end of the pusher roller is connected to the output shaft of the second motor.

Preferably, an adsorption component is provided directly below the feed port, and the adsorption component includes a plurality of magnetic rods.

Preferably, the adsorption assembly further comprises a turntable, the plurality of magnetic rods are arranged on the turntable, and the turntable is connected to a second shaft; the grinding assembly comprises a vertically arranged first shaft, and the first shaft It is connected with the output shaft of the first motor, and the second rotating shaft is connected with the first rotating shaft through a transmission assembly.

Preferably, the turntable is arranged vertically, the second shaft is connected to the center of the turntable, and the transmission assembly includes a driving gear sleeved on the first shaft and a driven gear sleeved on the second shaft The gear, the driving gear and the driven gear are two bevel gears that mesh with each other.

Preferably, a top cover is provided on the top of the feed port.

Compared with the prior art, the utility model has the following advantages:

1. The device grinds the medical waste through the grinding component of the grinding chamber, and then sterilizes the ground garbage through the sterilization chamber and collects it from the discharge port through the pushing component, so that the medical waste can be ground and disinfected at one time. It has the advantages of high work efficiency and good processing effect.

2. The grinding wheel of the grinding assembly will contact the surface of the grinding plate and grind and pulverize the medical waste to reduce its volume, which has the advantages of sufficient and uniform grinding.

3. Under the push of the push roller, the ground medical waste can be pushed to the discharge port, and the push roller can further pulverize and grind it while pushing the material, which improves the treatment effect.

4. Through the disinfection nozzle, the medical waste can be sterilized while moving toward the discharge port, which reduces the harm of the waste.

5. When the medical waste falls from the feeding port, the iron metal debris mixed in the medical waste can be adsorbed by the magnetic rod. On the one hand, it can prevent the iron metal debris from damaging the grinding mechanism, and on the other hand, it can also improve the efficiency of waste incineration and save energy. energy.

6. The top cover can prevent the bacteria and viruses carried by the medical waste and the toxic gases volatilized by the disinfectant from diffusing into the atmosphere during processing.

Description of drawings

FIG. 1 is a schematic diagram of the overall structure of the device in the embodiment.

Labels in the figure: 1, shell, 2, feed port, 3, top cover, 4, handle, 5, first motor, 6, first shaft, 7, driving gear, 8, driven gear, 9, first Two shafts, 10, Fixed plate, 11, Limit tube, 12, Turntable, 13, Magnetic rod, 14, Grinding rod, 15, Grinding wheel, 16, Limit block, 17, Grinding plate, 18, Separator, 19 , disinfection chamber, 20, liquid pump, 21, disinfectant tank, 22, catheter, 23, branch pipe, 24, disinfection nozzle, 25, material penetration hole, 26, base, 27, second motor, 28, push material Roller, 29, Outlet, 30, Recovery frame, 31, Grinding cavity.

Detailed ways

The present utility model will be described in detail below with reference to the accompanying drawings and specific embodiments. This embodiment is implemented on the premise of the technical solution of the present invention, and provides a detailed implementation manner and a specific operation process, but the protection scope of the present invention is not limited to the following embodiments.

Example

As shown in FIG. 1 , a medical waste pretreatment device includes a casing 1 , and a feeding port 2 and a discharging port 29 are respectively provided at the top and bottom of the casing 1 . The top of the feed port 2 is provided with a top cover 3 , and a handle 4 is fixedly connected to the top of the top cover 3 . A base 26 is fixedly connected to the bottom of the housing 1 . The inlet port 2 and the outlet port 29 are arranged at both ends of the diagonal line of the housing 1 .

The housing 1 is provided with a grinding chamber 31 and a sterilizing chamber 19 separated by a partition 18 , and the partition 18 is fixedly connected to the top of the inner cavity of the housing 1 . The grinding chamber 31 and the sterilizing chamber 19 are respectively provided with a grinding component and a sterilizing component. The grinding chamber 31 and the bottom of the sterilizing chamber 19 communicate with each other through the pusher assembly, the top of the grinding chamber 31 communicates with the bottom of the feeding port 2 , and the bottom of the sterilizing chamber 19 communicates with the discharging port 29 . The pusher assembly transports the garbage ground in the grinding chamber 31 to the discharge port 29 through the sterilizing chamber 19 .

The grinding assembly includes a laterally disposed grinding plate 17 and grinding rods 14 . The shaft of the grinding rod 14 is movably connected with a number of grinding wheels 15 , and limit blocks 16 are provided on both sides of each grinding wheel 15 , and the limit blocks 16 are fixedly connected to the shaft of the grinding rod 14 . Prevent the grinding wheel 15 from shaking left and right. The grinding wheel 15 is arranged on the upper surface of the grinding plate 17 , the grinding plate 17 is provided with a plurality of material-penetrating holes 25 , and the pushing component is arranged below the grinding plate 17 . A first rotating shaft 6 is vertically arranged in the middle of the grinding rod 14 . The first rotating shaft 6 is connected to the output shaft of the first motor 5 , the first motor 5 is installed on the top of the casing 1 , and the first rotating shaft 6 penetrates through the top of the casing 1 . The outer wall extends to the inner cavity of the housing 1 . In this embodiment, the grinding wheel 15 is a grinding wheel structure, and the grinding particle protrusions are evenly distributed on the wheel wall of the grinding wheel 15, which can increase the pressing force of the grinding wheel 15 on the medical waste, thereby making the grinding more sufficient, uniform and thorough. , and improve the grinding efficiency.

The disinfection assembly includes a disinfectant tank 21, a catheter 22 and a disinfection nozzle 24. The disinfectant tank 21 stores disinfectant, the disinfectant tank 21 is connected to the disinfection nozzle 24 through the catheter 22, and the disinfection nozzle 24 faces the bottom of the disinfectant cavity. Pusher components. The liquid pump 20 is provided on the catheter 22. In this embodiment, the disinfectant tank 21 and the liquid pump 20 are both arranged on the outer wall of the top of the housing 1. The catheter 22 is connected to the disinfectant tank 21 and penetrates the top outer wall of the housing 1. Extending into the sterilizing cavity 19 , the end of the catheter 22 is fixedly connected with a branch pipe 23 , and a plurality of sterilizing nozzles 24 are installed on the bottom pipe wall of the branch pipe 23 . The bottom end of the disinfection nozzle 24 is arc-shaped, and the arc-shaped end surface of the disinfection nozzle 24 is provided with several nozzles, which can expand the spraying range of the disinfectant, thereby enhancing the disinfection effect of the disinfection nozzle 24 and improving its disinfection efficiency.

The pushing assembly includes a transversely disposed pushing roller 28 , and one end of the pushing roller 28 is connected to the output shaft of the second motor 27 . The second motor 27 is disposed on the bottom end side wall of the housing 1 . The pushing roller 28 is located below the grinding plate 17 and the sterilizing nozzle 24, and the surface of the pushing roller 28 is a spiral convex structure. When the pushing roller 28 rotates, it can push the medical waste to move, and it can also grind the medical waste. and crush.

There is an adsorption component directly below the feed port 2 , a fixed plate 10 is provided on the top of the inner cavity of the housing 1 near the feed port 2 , and the adsorption component is blocked directly below the feed port 2 by connecting the fixed plate 10 . The adsorption assembly includes a plurality of magnetic rods 13 and a turntable 12 , and the magnetic rods 13 are laterally arranged on the turntable 12 . The turntable 12 is arranged vertically, and the center of the turntable 12 is connected with the second rotating shaft 9 . A limiting tube 11 is fixedly connected to the fixing plate 10 . The second rotating shaft 9 penetrates the fixing plate 10 and passes through the limiting tube 11 . The limiting tube 11 can prevent shaking when the second rotating shaft 9 drives the turntable 12 to rotate. The second rotating shaft 9 is connected with the first rotating shaft 6 through a transmission assembly.

The transmission assembly includes a driving gear 7 sleeved on the first rotating shaft 6 and a driven gear 8 sleeved on the second rotating shaft 9 , and the driving gear 7 is drivingly connected to the driven gear 8 . In this embodiment, the driving gear 7 and the driven gear 8 are both conical gear structures, and a number of triangular gear teeth are distributed on the wheel wall. The driving gear 7 and the driven gear 8 are externally meshed for transmission through the gear teeth.

The device is provided with a recovery frame 30 at the outlet of the discharge port 29 .

The working principle of this device:

When the device is in use, after opening the top cover 3 by holding the handle 4, the medical waste to be treated is introduced into the housing 1 from the feeding port 2, and then the top cover 3 is closed to prevent the bacteria carried by the medical waste during processing. And viruses and toxic gases volatilized by disinfectants diffuse into the atmosphere.

Then the first motor 5 is driven to drive the first shaft 6 to rotate, the first shaft 6 drives the driven gear 8 to rotate through the driving gear 7, and then drives the second shaft 9 and the turntable 12 through the driven gear 8 to rotate along with the turntable 12. A number of magnetic rods 13 are fixedly connected to the top. When the medical waste falls from the feeding port 2, the iron metal debris mixed in the medical waste can be absorbed by the magnetic rods 13. On the one hand, it can prevent the iron metal debris from damaging the grinding mechanism, and on the other hand On the one hand, it can also improve the efficiency of waste incineration and save energy. When the first rotating shaft 6 rotates, it will also drive the grinding rod 14 to rotate. When the medical waste falls on the grinding plate 17, the grinding wheel 15 of the shaft of the grinding rod 14 will contact the surface of the grinding plate 17 and grind the medical waste. Pulverization reduces its size.

The ground medical waste falls through the material penetration holes 25 on the grinding plate 17 . At this time, the second motor 27 drives the push roller 28 to rotate, and the ground medical waste can be pushed out by the push roller 28 . The material opening 29 and the pushing roller 28 can further pulverize and grind the garbage while pushing the material. The driving liquid pump 20 introduces the disinfecting liquid stored in the disinfecting liquid tank 21 into the branch pipe 23 through the catheter 22, and sprays the disinfecting liquid through the disinfecting nozzle 24, so that the medical waste can be moved to the discharge port 29 while the medical waste is moved toward the discharge port 29. Disinfect.

The sterilized medical waste is led out along the discharge port 29 and falls into the recycling frame 30, so as to complete the pretreatment of the medical waste, so that it can be incinerated uniformly subsequently.

Claims (10)

1. a medical waste pretreatment device, comprising a housing, and being provided with a feeding port and a discharging port respectively at the top and bottom of the housing, it is characterized in that, in the described housing, spaced apart grinding chambers and sterilization chambers are provided. The grinding cavity and the sterilizing cavity are respectively provided with a grinding component and a sterilizing component; the bottoms of the grinding cavity and the sterilizing cavity are communicated through the pushing component, and the top of the grinding cavity is communicated with the bottom of the feeding port, The bottom of the sterilization chamber is communicated with the discharge port; the pusher assembly transports the garbage ground in the grinding chamber to the discharge port through the sterilization chamber. 2 . The medical waste pretreatment device according to claim 1 , wherein the grinding assembly comprises a laterally arranged grinding plate and a grinding rod; the grinding rod is provided with several grinding wheels, and the grinding The wheel is arranged on the upper surface of the grinding plate, the middle of the grinding rod is vertically provided with a first rotating shaft, and the first rotating shaft is connected with the output shaft of the first motor; the grinding plate is provided with a material-penetrating hole , the pushing component is arranged below the grinding plate. 3 . The medical waste pretreatment device according to claim 2 , wherein the grinding wheel has a grinding wheel structure, and the grinding particle protrusions are evenly distributed on the wheel wall of the grinding wheel. 4 . 4 . The medical waste pretreatment device according to claim 1 , wherein the disinfection assembly comprises a disinfectant tank, a catheter and a disinfection nozzle, and the disinfectant tank is connected to the disinfection through a catheter. 5 . The spray head is provided with a liquid pump on the liquid conduit, and the disinfection spray head faces the pushing component at the bottom of the disinfectant cavity. 5 . The medical waste pretreatment device according to claim 4 , wherein the disinfection assembly further comprises a branch pipe, the disinfection nozzles are provided with a plurality of branch pipes, and the catheter passes through the branch pipe. 6 . Connect the sanitizing spray head. 6 . The medical waste pretreatment device according to claim 1 , wherein the pusher assembly comprises a laterally arranged pusher roller, and one end of the pusher roller is connected to the output shaft of the second motor. 7 . 7 . The medical waste pretreatment device according to claim 1 , wherein an adsorption component is provided directly below the feed port, and the adsorption component includes a plurality of magnetic rods. 8 . 8 . The medical waste pretreatment device according to claim 7 , wherein the adsorption assembly further comprises a turntable, the plurality of magnetic rods are arranged on the turntable, and the turntable is connected to the second rotating shaft; 9 . The grinding assembly includes a vertically arranged first rotating shaft, the first rotating shaft is connected with the output shaft of the first motor, and the second rotating shaft is connected with the first rotating shaft through a transmission assembly. 9 . The medical waste pretreatment device according to claim 8 , wherein the turntable is arranged vertically, the second rotating shaft is connected to the center of the turntable, and the transmission assembly comprises a sleeve that is sleeved on the first turntable. 10 . A driving gear on a rotating shaft and a driven gear sleeved on the second rotating shaft, the driving gear and the driven gear are two bevel gears that mesh with each other. 10 . The medical waste pretreatment device according to claim 1 , wherein a top cover is provided on the top of the feeding port. 11 .