CN114655641A

CN114655641A - Multistage sterilization system of medical waste

Info

Publication number: CN114655641A
Application number: CN202210255230.7A
Authority: CN
Inventors: 张文凯; 李周滔
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-03-15
Filing date: 2022-03-15
Publication date: 2022-06-24

Abstract

The invention relates to the technical field of medical waste treatment, in particular to a medical waste multistage sterilization system which comprises a feeding shell, a feeding hole, a discharging hole, a feeding motor, a spiral rotating shaft and a separating mechanism, wherein the feeding hole is formed in the position, close to the edge of one side, of the upper end of the outer circular surface of the feeding shell; a feeding motor is fixedly connected to the middle position of one end of the feeding shell, and the output end of the feeding motor penetrates through the outer surface of the feeding shell and extends into the feeding shell; the output end of the feeding motor is fixedly connected with a spiral rotating shaft; a discharge hole is formed in the position, close to the edge of the other side, of the lower end of the outer circular surface of the feeding shell; the lower end of the discharge hole is fixedly connected with a separating mechanism. The invention can effectively carry out solid-liquid separation, respectively treat solid waste and liquid waste, and effectively prevent medical waste from polluting air and infecting workers.

Description

Multistage sterilization system of medical waste

Technical Field

The invention relates to the technical field of medical waste treatment, in particular to a medical waste multistage sterilization system.

Background

With the development of economy in China, the medical industry in China also makes great progress, but many problems occur, such as the treatment of medical wastes, which is a treatment process of medical wastes and garbage generated by related personnel in hospitals and having physical, chemical or biological infectious injuries to human beings, animals and the environment, and comprises the process of properly disinfecting and completely removing some medical wastes with strong infectivity.

The Chinese patent discloses a medical waste collecting device, with the patent application number of CN202010260898.1, which comprises a box body, wherein the upper part of the box body is provided with a feeding opening, and one side of the box body is communicated with a solid waste collecting box; the puncture assembly comprises two groups of rotating roller sets, and a plurality of groups of puncture needles are uniformly distributed on the rotating roller sets; the two groups of compression assemblies are oppositely arranged; the filter screen divides the lower part of the box body into a liquid waste collecting box, and the filter screen is obliquely arranged at the lower part of the compression assembly; a suction assembly slidably mounted to a lower portion of the filter screen.

The contrast patent is through puncture subassembly, compression subassembly and suction subassembly are to solid waste and liquid waste among the medical waste separate the processing, nevertheless contain liquid waste in the solid waste that some toughness are stronger in medical waste, can't cause destruction to it through single puncture or extrusion, this phenomenon of hourglass branch appears when also causing solid-liquid separation, in addition, the contrast patent only carries out solid-liquid separation to medical waste, and not carry out disinfection and isolation to it, this just makes partial volatility waste liquid contaminated air, also probably cause the discarded object to infect the staff simultaneously.

Therefore, a medical waste multistage sterilization system is provided.

Disclosure of Invention

The invention aims to provide a medical waste multistage sterilization system to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a multi-stage sterilization system for medical wastes comprises a feeding shell, a feeding hole, a discharging hole, a feeding motor and a spiral rotating shaft, wherein the feeding hole is formed in the position, close to the edge of one side, of the upper end of the outer circular surface of the feeding shell; a feeding motor is fixedly connected to the middle position of one end of the feeding shell, and the output end of the feeding motor penetrates through the outer surface of the feeding shell and extends into the feeding shell; the output end of the feeding motor is fixedly connected with a spiral rotating shaft; a discharge hole is formed in the position, close to the edge of the other side, of the lower end of the outer circular surface of the feeding shell; the lower end of the discharge port is fixedly connected with a separation mechanism for performing solid-liquid separation on the medical waste and respectively processing the medical waste.

During working, solid waste and liquid waste in the medical waste are separated through the puncture assembly, the compression assembly and the suction assembly, and the solid waste with strong toughness and containing the liquid waste in the medical waste cannot be damaged through single puncture or extrusion, so that the phenomenon of leakage separation occurs during solid-liquid separation; the separation mechanism is arranged to solve the problem, the feeding motor is started, the feeding motor drives the spiral rotating shaft to start rotating, medical wastes enter the feeding shell through the feeding hole, move towards the other end of the feeding shell under the driving of the spiral rotating shaft, and finally enter the separation mechanism through the discharging hole to be subjected to solid-liquid separation and sterilization treatment; by arranging the separation mechanism, the medical waste can be subjected to good solid-liquid separation treatment and sterilization treatment, so that air pollution caused by volatile liquid in the liquid waste is avoided, and meanwhile, the infection of the waste on workers is avoided.

Preferably, the separation mechanism comprises a crushing shell, a crushing motor, a crushing shaft, a first conical disc, a second conical disc, a third conical disc, a hard filter screen, a crushing cone, a pressurizing mechanism, a communicating pipe, an electromagnetic door, a disinfection tank body, a spray head, a discharge opening, a stirring mechanism, a liquid discharge opening and a neutralizer injection conduit; the lower end of the discharge port is fixedly connected with a crushing shell, and the crushing shell is L-shaped; the upper end of the inner circular surface of the crushing shell is fixedly connected with crushing cones which are uniformly distributed; a crushing motor is fixedly connected to the middle position of the lower circular surface of the crushing shell; the output end of the crushing motor is fixedly connected with a crushing shaft, and one end of the crushing shaft penetrates through the lower circular surface of the crushing shell and extends into the crushing shell; the upper end of the outer circular surface of one end, extending to the inside of the crushing shell, of the crushing shaft is fixedly connected with a first conical disc, a second conical disc and a third conical disc from top to bottom, and the diameters of the first conical disc, the second conical disc and the third conical disc are sequentially increased from top to bottom; one side of the outer circular surface of the crushing shell is fixedly connected with a communicating pipe, and one end of the communicating pipe penetrates through the side wall of the crushing shell; an electromagnetic door is arranged between the communicating pipe and the crushing shell; an inclined hard filter screen is fixedly connected to the lower end of the surface of the inner cavity body of the crushing shell, which is close to the lower edge of the connector of the communicating pipe, and the hard filter screen is penetrated by the crushing shaft; the other end of the communicating pipe is fixedly connected with the disinfection tank body, and the other end of the communicating pipe penetrates through the side wall of the disinfection tank body; a guide pipe is fixedly connected to the middle position of the upper surface of the disinfection tank body, and one end of the guide pipe penetrates through the upper surface of the disinfection tank body and extends into the disinfection tank body; one end of the conduit extending into the disinfection tank body is fixedly connected with a spray head; a discharge opening is formed in the position, corresponding to the connector of the communicating pipe, of the inner surface of the disinfection tank body; a disinfection waste liquid treatment mechanism is fixedly arranged at the lower end of the disinfection tank body; a neutralizer injection conduit is connected to the position, close to the edge, of the upper surface of the transverse cavity of the crushing shell in a penetrating manner; a pressurizing mechanism is arranged on the outer circular surface of the neutralizer injection conduit, close to the upper surface of the transverse cavity of the crushing shell; a stirring mechanism is arranged in the middle of the lower end of the inner surface of the transverse cavity of the crushing shell; and a liquid discharge port is formed in the position, close to the edge, of the lower end of the inner surface of the transverse cavity of the crushing shell.

When the device works, in order to solve the problems that solid wastes with strong toughness and liquid wastes contained in the medical wastes are not easy to damage for solid-liquid separation, and the solid wastes and the liquid wastes obtained after the solid-liquid separation of the medical wastes need to be sterilized to prevent air pollution and worker infection, the device is provided with a separation mechanism, a crushing motor is started, a crushing shaft is driven by the crushing motor to rotate to drive a first conical disc, a second conical disc and a third conical disc to start rotating, the wastes enter a crushing shell through a discharge port, the wastes with different volume sizes are extruded with a crushing cone and crushed, the crushed wastes fall onto a hard filter screen and stand on the hard filter screen for a certain time, liquid waste drops onto the lower surface of the inner cavity of the crushing shell through the holes in the hard filter screen, a neutralizer is injected into the inner cavity of the crushing shell through a neutralizer injection conduit to neutralize the liquid waste, and after the neutralization is finished, a liquid discharge port is opened to discharge the neutralized liquid waste; opening an electromagnetic door, enabling the solid waste to enter the disinfection tank body through a communicating pipe, injecting a disinfectant, uniformly spraying the disinfectant on the solid waste through a spray header to disinfect and sterilize liquid waste and bacterial microorganisms remained on the solid waste, and finally opening a discharge opening to take out the disinfected solid waste; according to the medical waste treatment device, the separation mechanism, the first conical disc, the second conical disc, the third conical disc and the crushing cone are arranged to perform solid-liquid separation treatment on medical waste, then the separated liquid is subjected to neutralization treatment, and the separated solid is subjected to disinfection treatment, so that waste liquid is prevented from volatilizing into air to pollute the air, and the infection to workers is prevented.

Preferably, the disinfection waste liquid treatment mechanism comprises a treatment tank body, an elastic filter screen, a turnover mechanism and a shaking mechanism; a treatment tank body is fixedly arranged at the lower end of the disinfection tank body, and a mounting opening is formed at the joint of the treatment tank body and the lower surface of the disinfection tank body; an elastic filter screen is fixedly arranged in the mounting port; the left side of the outer surface of the treatment tank body is the same as the transverse cavity of the crushing shell; a turnover mechanism is arranged in the middle of the lower surface of the treatment tank body; and a shaking mechanism is arranged at the position, close to the turnover mechanism, of the lower surface of the elastic filter screen.

When the disinfection tank works, when solid waste is disinfected and sterilized in the disinfection tank body, quantitative disinfectant spraying on the solid waste cannot be performed due to the fact that the amount of liquid waste remaining on the solid waste cannot be determined, and therefore disinfectant is wasted due to excessive disinfectant spraying or a small amount of liquid waste still remains on the solid waste due to insufficient disinfectant spraying; the invention is difficult to set up the waste liquid treatment mechanism of the disinfection, continuously spray disinfectant to the sterilizing tank body through the shower head, the excess disinfectant sprayed will enter and treat the tank body through the elastic filter screen, treat the tank body and break the shell identically, the excess disinfectant flows into the horizontal cavity with breaking shell through treating the tank body, and mix with liquid waste together, sterilize the liquid mixture, inject neutralizing agent into the neutralizing agent to carry on the neutralization to the mixed liquid by neutralizing agent injection conduit; according to the invention, the disinfectant waste liquid treatment mechanism is arranged, the disinfectant is continuously injected from the spray header, excessive disinfectant enters the transverse cavity of the crushing shell through the treatment tank body to be mixed with liquid waste, and then is neutralized by the neutralizer, so that the phenomenon of excessive disinfectant or insufficient disinfectant is avoided, and the air pollution and the worker infection are prevented.

Preferably, the turnover mechanism comprises a turnover motor, a turnover shaft and a turnover rod; the middle position of the lower surface of the treatment tank body is fixedly connected with a turnover motor; the output end of the overturning motor is fixedly connected with an overturning shaft, and one end of the overturning shaft penetrates through the lower surface of the treatment tank body and extends to the interior of the treatment tank body and penetrates through the elastic filter screen and extends to the interior of the disinfection tank body; the turnover shaft extends to the outer circular surface of one end inside the disinfection tank body, and turnover rods which are symmetrically and uniformly distributed are fixedly connected with the outer circular surface of the end inside the disinfection tank body.

When the disinfection tank works, when a large amount of solid wastes are accumulated in the disinfection tank body, the situation that one solid waste can safely cover another small solid waste can occur, and the liquid wastes remained on the small solid waste are large, so that the disinfectant can not disinfect and sterilize the small solid waste, and the phenomenon of leakage and elimination can occur; according to the invention, the turnover mechanism is arranged, the turnover motor is started, the turnover motor drives the turnover shaft to rotate and drives the turnover rod to rotate, and the rotation of the turnover rod pushes the solid wastes to rotate and turn over together, so that the disinfectant can be sprayed on each solid waste for disinfection and sterilization; according to the invention, the turnover mechanism is arranged, the turnover rod rotates in the disinfection tank body to turn over the solid waste, and the phenomenon of leakage caused by the fact that the larger solid waste covers the smaller solid waste is prevented.

Preferably, the shaking mechanism comprises a shifting block and a cross rod; the lower surface of the elastic filter screen is symmetrically and fixedly connected with two shaking and shifting blocks close to the turnover rod; the outer circle surface of the turning rod is symmetrically and fixedly connected with two cross rods close to the elastic filter screen.

When the solid waste disinfection tank works, the overturning rod rotates in the disinfection tank body to overturn the solid waste, small liquid waste water drops and disinfectant water drops can be always present on the surface of the solid waste and can not drop, and therefore the probability of air pollution and worker infection can still exist; according to the invention, the shaking mechanism is arranged, the turnover shaft drives the cross rod to rotate when rotating, when the cross rod rotates to be in contact with the shifting block, the cross rod is still driven by the turnover shaft to rotate forwards and slide across the inclined surface of the shifting block, and in the process, the elastic filter screen can shake up and down once to drive solid wastes above the elastic filter screen to shake, so that liquid waste water drops and disinfectant water drops on the surface of the solid wastes can be shaken off; the shaking mechanism is arranged to shake off liquid waste water drops and disinfectant water drops attached to the surface of the solid waste, so that the water drops are prevented from contacting air and workers, and the probability of air pollution and worker infection is reduced.

Preferably, the pressurizing mechanism comprises a pressurizing shell, an air hole, a pressing rod, a movable plate, a cavity plate, a one-way valve and a spring; a pressurizing shell is arranged on the outer circular surface of the neutralizing agent injection conduit, close to the upper surface of the transverse cavity of the crushing shell; the upper side surface of the pressurizing shell is provided with an air hole close to the edge; a pressing rod is arranged in the middle of the upper surface of the pressurizing shell, and one end of the pressing rod penetrates through the upper surface of the pressurizing shell and extends into the pressurizing shell; one end of the pressing rod extending to the inside of the pressurizing shell is fixedly connected with a movable plate; the lower surface of the pressurizing shell is fixedly connected with a guide pipe, and one end of the guide pipe penetrates through the lower surface of the pressurizing shell; the other end fixed connection of pipe is close to marginal position at the upper surface in the horizontal chamber of broken casing, just the other end of pipe runs through the upper surface in the horizontal chamber of broken casing and extends to its inside fixedly connected with cavity board.

When the neutralizer injection device works, the neutralizer is injected into the transverse cavity of the crushing shell through the neutralizer injection conduit, and the phenomenon that the required amount of the neutralizer cannot be obtained in the transverse cavity of the crushing shell due to too low injection speed possibly occurs, so that the neutralizer does not have enough time to react with the mixed liquid of the liquid waste and the disinfectant, and the neutralization efficiency is influenced; according to the invention, the pressurizing mechanism is arranged, the neutralizer is injected into the pressurizing shell in the pressurizing mechanism from the neutralizer injection conduit, the neutralizing agent can be prevented from flowing back by the one-way valve, the pressing rod is pressed, air enters the pressurizing shell from the air hole so as not to influence the pressing, and the neutralizing agent enters the cavity plate through the conduit by pressing with different forces and flows out from small holes uniformly distributed on the lower surface of the cavity plate at different speeds; the neutralizing agent feeding device can timely add enough neutralizing agent into the transverse cavity of the crushing shell by arranging the pressurizing mechanism, and can control the flowing speed of the neutralizing agent by adjusting the pressing force on the pressing rod, thereby adapting to different reaction time and neutralizing agent dosage required by different liquid wastes.

Preferably, the upper surface of the movable plate is symmetrically and fixedly connected with two springs, and one ends of the springs are fixedly connected with the upper surface of the inner cavity of the pressurizing shell.

When the device works, when the neutralizing agent in the pressurized shell is completely discharged into the transverse cavity of the crushing shell by pressing the pressing rod, the neutralizing agent can be injected into the lower part of the movable plate through the neutralizing agent injection conduit only by pulling the pressing rod upwards, so that the neutralizing agent is continuously pressurized and injected into the transverse cavity of the crushing shell; according to the invention, the spring is arranged, when the pressing rod is not provided with pressing force, the spring is in a normal state, when the pressing rod is provided with the pressing force, the spring is stretched, and when the pressing force is withdrawn, the spring contracts to drive the movable plate to move upwards; the spring is arranged, so that the pressing rod can be pulled back to the original position after being pressed, space is provided for injecting the neutralizing agent into the pressurizing shell, and physical force consumed by a worker in the process of pulling back the pressing rod until the neutralizing agent is filled below the movable plate is saved.

Preferably, the stirring mechanism comprises a stirring shaft and a stirring rod; a stirring shaft is fixedly connected to the middle position of the lower surface of the transverse cavity of the crushing shell, and one end of the stirring shaft penetrates through the lower surface of the transverse cavity of the crushing shell and extends into the crushing shell; the outer circular surface of one end of the stirring shaft extending into the crushing shell is fixedly connected with stirring rods which are symmetrically and uniformly distributed; the other end of the stirring shaft is rotationally connected with the turnover shaft through a belt pulley.

In operation, since the properties and densities of different liquid wastes are different from those of the neutralizing agent and the disinfectant, a slow neutralization phenomenon may occur due to the difference in properties and densities; according to the invention, the stirring mechanism is arranged, the overturning motor is started, the overturning motor drives the overturning shaft to rotate, the stirring shaft is driven to rotate through the belt pulley, so that the stirring rod is driven to rotate, and the stirring rod rotates in the liquid of the liquid waste, the neutralizer and the disinfectant; according to the invention, the stirring mechanism is arranged, and the stirring rod rotates, so that the liquid waste, the neutralizer and the disinfectant are fully mixed, the neutralization reaction of the liquid waste, the neutralizer and the disinfectant is accelerated, and the neutralization efficiency of the neutralizer is improved.

Compared with the prior art, the invention has the beneficial effects that:

the medical waste can be well separated and treated by the separation mechanism, the medical waste can be crushed and separated into solid and liquid, and the solid waste with liquid waste in temples with strong toughness can be crushed, and the operation of solid and liquid separation is realized.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an overall cross-sectional structural view of the present invention;

FIG. 3 is a cross-sectional structural view of the separating mechanism of the present invention;

FIG. 4 is a cross-sectional structural view of a waste liquid disinfectant treating apparatus according to the present invention;

FIG. 5 is a structural view of the canting mechanism of the present invention;

FIG. 6 is a structural view of the dithering mechanism of the present invention;

FIG. 7 is a cross-sectional structural view of the pressurizing mechanism of the present invention;

fig. 8 is a structural view of the stirring mechanism of the present invention.

In the figure: 1. a feed housing; 2. a feed inlet; 3. a discharge port; 4. a feeding motor; 5. a helical rotating shaft; 6. a separating mechanism; 61. crushing the shell; 62. a crushing motor; 63. a crushing shaft; 64. a first conical disk; 65. a second conical disk; 66. a third conical disk; 67. a hard filter screen; 68. crushing a cone; 69. a pressurizing mechanism; 691. a pressurized housing; 692. air holes; 693. a pressing lever; 694. a movable plate; 695. a cavity plate; 696. a one-way valve; 697. a spring; 610. a communicating pipe; 611. an electromagnetic gate; 612. sterilizing the tank body; 613. a shower head; 614. a discharge opening; 615. a stirring mechanism; 6151. a stirring shaft; 6152. a stirring rod; 616. a liquid discharge port; 617. a neutralizer injection conduit; 7. a disinfection waste liquid treatment mechanism; 71. treating the tank body; 72. an elastic filter screen; 73. a turnover mechanism; 731. turning over a motor; 732. a turning shaft; 733. a turning rod; 74. a shaking mechanism; 741. shifting blocks; 742. a cross bar.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. Furthermore, the terms "mounted," "connected," and "coupled" are to be construed broadly and may include, for example, fixed connections, removable connections, or integral connections; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 8, the present invention provides a technical solution:

a medical waste multistage sterilization system is shown in figures 1 and 2 and comprises a feeding shell 1, a feeding hole 2, a discharging hole 3, a feeding motor 4 and a spiral rotating shaft 5, wherein the feeding hole 2 is formed in the position, close to the edge of one side, of the upper end of the outer circular surface of the feeding shell 1; a feeding motor 4 is fixedly connected to the middle position of one end of the feeding shell 1, and the output end of the feeding motor 4 penetrates through the outer surface of the feeding shell 1 and extends into the feeding shell 1; the output end of the feeding motor 4 is fixedly connected with a spiral rotating shaft 5; a discharge port 3 is formed in the position, close to the edge of the other side, of the lower end of the outer circular surface of the feeding shell 1; the lower end of the discharge port 3 is fixedly connected with a separation mechanism 6 for performing solid-liquid separation on the medical waste and respectively processing the medical waste.

During working, solid waste and liquid waste in the medical waste are separated through the puncture assembly, the compression assembly and the suction assembly, and the solid waste with strong toughness and containing the liquid waste in the medical waste cannot be damaged through single puncture or extrusion, so that the phenomenon of leakage separation occurs during solid-liquid separation; the invention solves the problem by arranging the separation mechanism 6, the feeding motor 4 is started, the feeding motor 4 drives the spiral rotating shaft 5 to start rotating, medical wastes enter the feeding shell 1 through the feeding hole 2, move towards the other end of the feeding shell 1 under the drive of the spiral rotating shaft 5, finally enter the separation mechanism 6 through the discharging hole 3 to carry out solid-liquid separation, and carry out disinfection and sterilization treatment; by arranging the separation mechanism 6, the medical waste can be subjected to good solid-liquid separation treatment and sterilization treatment, so that the air pollution caused by volatile liquid in the liquid waste is avoided, and meanwhile, the infection of the waste to workers is avoided.

As an embodiment of the present invention, as shown in fig. 3, the separation mechanism 6 includes a crushing shell 61, a crushing motor 62, a crushing shaft 63, a first conical disk 64, a second conical disk 65, a third conical disk 66, a hard strainer 67, a crushing cone 68, a pressurizing mechanism 69, a communicating pipe 610, a solenoid valve 611, a sterilizing tank 612, a shower head 613, a discharge port 614, a stirring mechanism 615, a liquid discharge port 616, and a neutralizer injection conduit 617; the lower end of the discharge port 3 is fixedly connected with a crushing shell 61, and the crushing shell 61 is L-shaped; the upper end of the inner circular surface of the crushing shell 61 is fixedly connected with crushing cones 68 which are uniformly distributed; a crushing motor 62 is fixedly connected to the middle position of the lower circular surface of the crushing shell 61; the output end of the crushing motor 62 is fixedly connected with a crushing shaft 63, and one end of the crushing shaft 63 penetrates through the lower circular surface of the crushing shell 61 and extends into the crushing shell; the upper end of the outer circular surface of one end of the crushing shaft 63 extending into the crushing shell 61 is fixedly connected with a first conical disc 64, a second conical disc 65 and a third conical disc 66 from top to bottom, and the diameters of the first conical disc 64, the second conical disc 65 and the third conical disc 66 are sequentially increased from top to bottom; a communicating pipe 610 is fixedly connected to one side of the outer circular surface of the crushing shell 61, and one end of the communicating pipe 610 penetrates through the side wall of the crushing shell 61; an electromagnetic door 611 is arranged between the communicating pipe 610 and the crushing shell 61; an inclined hard filter screen 67 is fixedly connected to the lower end of the surface of the inner cavity body of the crushing shell 61, which is close to the lower edge of the connector of the communicating pipe 610, and the hard filter screen 67 is penetrated by the crushing shaft 63; the other end of the communicating pipe 610 is fixedly connected with a sterilization tank 612, and the other end of the communicating pipe 610 penetrates through the side wall of the sterilization tank 612; a conduit is fixedly connected to the middle position of the upper surface of the sterilization tank 612, and one end of the conduit penetrates through the upper surface of the sterilization tank 612 and extends into the sterilization tank; a spray header 613 is fixedly connected to one end of the conduit extending into the interior of the sterilization tank 612; a discharge port 614 is formed in the position, corresponding to the interface of the communicating pipe 610, of the inner surface of the sterilizing tank body 612; a disinfection waste liquid treatment mechanism 7 is fixedly arranged at the lower end of the disinfection tank body 612; a neutralizer injection conduit 617 is connected to the upper surface of the transverse cavity of the crushing shell 61 near the edge in a penetrating manner; a pressurizing mechanism 69 is arranged on the outer circular surface of the neutralizing agent injection conduit 617 close to the upper surface of the transverse cavity of the crushing shell 61; a stirring mechanism 615 is arranged in the middle of the lower end of the inner surface of the transverse cavity of the crushing shell 61; a liquid outlet 616 is arranged at the lower end of the inner surface of the transverse cavity of the crushing shell 61 close to the edge.

During operation, in order to solve the problems that solid wastes with strong toughness and liquid wastes contained in the medical wastes are not easy to be damaged for solid-liquid separation, and the solid wastes and the liquid wastes obtained after the solid-liquid separation of the medical wastes need to be sterilized to prevent air pollution and worker infection, the invention starts the crushing motor 62 by arranging the separation mechanism 6, the crushing motor 62 drives the crushing shaft 63 to rotate to drive the first conical disc 64, the second conical disc 65 and the third conical disc 66 to start rotating, the wastes enter the crushing shell 61 through the discharge port 3, the wastes with different sizes are extruded with the crushing cone 68 and crushed, and the crushed wastes fall onto the hard filter screen 67, standing on the hard filter screen 67 for a certain period of time, dropping the liquid waste onto the lower surface of the inner cavity of the crushing shell 61 through the holes on the hard filter screen 67, injecting a neutralizing agent into the inner cavity of the crushing shell 61 through a neutralizing agent injection conduit 617 to neutralize the liquid waste, and opening a liquid outlet 616 to discharge the neutralized liquid waste after neutralization; opening the electromagnetic door 611, allowing the solid waste to enter the disinfection tank 612 through the communication pipe 610, injecting a disinfectant, uniformly spraying the disinfectant on the solid waste through the spray header 613 to disinfect and sterilize liquid waste and bacterial microorganisms remaining on the solid waste, and finally opening the discharge port 614 to take out the disinfected solid waste; according to the invention, the separation mechanism 6, the first conical disc 64, the second conical disc 65, the third conical disc 66 and the crushing cone 68 are arranged to carry out solid-liquid separation treatment on medical wastes, then the separated liquid is neutralized, and the separated solid is disinfected, so that waste liquid is prevented from volatilizing into air to pollute the air, and the infection to workers is prevented.

As an embodiment of the present invention, as shown in fig. 4, the disinfection waste liquid treatment mechanism 7 includes a treatment tank 71, an elastic filter 72, a turnover mechanism 73, and a shaking mechanism 74; the lower end of the disinfection tank 612 is fixedly provided with a treatment tank 71, and the joint of the treatment tank 71 and the lower surface of the disinfection tank 612 is provided with a mounting opening; an elastic filter screen 72 is fixedly arranged in the mounting port; the left side of the outer surface of the treatment tank body 71 is the same as the transverse cavity of the crushing shell 61; a turnover mechanism 73 is arranged in the middle of the lower surface of the treatment tank body 71; a shaking mechanism 74 is arranged on the lower surface of the elastic filter screen 72 near the turnover mechanism 73.

During operation, when the solid waste is disinfected and sterilized in the disinfection tank 612, the amount of the liquid waste remaining on the solid waste cannot be determined, and the disinfectant cannot be quantitatively sprayed on the solid waste, so that the disinfectant is excessively sprayed to cause waste or a small amount of liquid waste remains on the solid waste due to insufficient spraying of the disinfectant; according to the invention, a disinfection waste liquid treatment mechanism 7 is difficult to be arranged, a disinfectant is continuously sprayed into a disinfection tank body 612 through a spray head 613, the sprayed excessive disinfectant can enter a treatment tank body 71 through an elastic filter screen 72, the treatment tank body 71 is the same as a crushing shell body 61, the excessive disinfectant flows into a transverse cavity with the crushing shell body 61 through the treatment tank body 71 and is mixed with liquid waste, the liquid mixture is disinfected, and a neutralizer is injected into a neutralizer through a neutralizer injection conduit 617 to neutralize the mixed liquid; according to the invention, the disinfectant is continuously injected from the spray header 613 by arranging the disinfectant waste liquid treatment mechanism 7, and excessive disinfectant enters the transverse cavity of the crushing shell 61 through the treatment tank 71 to be mixed with liquid waste and is neutralized by the neutralizer, so that the phenomenon of excessive disinfectant or insufficient disinfectant is avoided, and the air pollution and the infection of workers are prevented.

As an embodiment of the present invention, as shown in fig. 5, the turnover mechanism 73 includes a turnover motor 731, a turnover shaft 732, and a turnover rod 733; the middle position of the lower surface of the treatment tank body 71 is fixedly connected with an overturning motor 731; the output end of the turning motor 731 is fixedly connected with a turning shaft 732, and one end of the turning shaft 732 penetrates through the lower surface of the treatment tank 71 and extends into the treatment tank and penetrates through the elastic filter screen 72 and extends into the disinfection tank 612; the turning shaft 732 extends to the outer circle surface of one end of the inside of the disinfection tank 612 and is fixedly connected with turning rods 733 which are symmetrically and uniformly distributed.

During operation, when a large amount of solid waste is accumulated in the disinfection tank 612, a situation that a certain solid waste safely covers another small solid waste may occur, and a large amount of liquid waste remains on the small solid waste, which may cause that the disinfectant cannot disinfect and sterilize the small solid waste, and a disinfection leakage phenomenon occurs; according to the invention, the turnover mechanism 73 is arranged, the turnover motor 731 is started, the turnover motor 731 drives the turnover shaft 732 to rotate and drives the turnover rod 733 to rotate, and the rotation of the turnover rod 733 pushes the solid wastes to rotate and turn over together, so that a disinfectant can be sprayed on each solid waste for disinfection and sterilization; according to the invention, the turnover mechanism 73 is arranged, and the turnover rod 733 rotates in the disinfection tank body 612 to turn over the solid waste, so that the phenomenon of leakage caused by the fact that the larger solid waste covers the smaller solid waste is prevented.

As an embodiment of the present invention, as shown in fig. 6, the shaking mechanism 74 includes a dial 741, a cross bar 742; two shaking and shifting blocks 741 are symmetrically and fixedly connected to the lower surface of the elastic filter screen 72 close to the turning rod 733; two cross bars 742 are symmetrically and fixedly connected to the outer circumferential surface of the turning bar 733 near the elastic filter screen 72.

When the device works, when the turning rod 733 rotates in the disinfection tank body 612 to turn over the solid waste, small liquid waste water drops and disinfectant water drops can be always present on the surface of the solid waste and can not drop, so that the probability of air pollution and worker infection still exists; according to the invention, by arranging the shaking mechanism 74, the turnover shaft 732 rotates to drive the cross bar 742 to rotate, when the cross bar 742 rotates to be in contact with the shifting block 741, the cross bar 742 is driven by the turnover shaft 732 to still rotate forwards and slide across the inclined plane of the shifting block 741, in the process, the elastic filter screen 72 can shake up and down once to drive the solid waste above the elastic filter screen 72 to shake, so that liquid waste beads and disinfectant beads on the surface of the solid waste can be shaken off; the shaking mechanism 74 is arranged to shake off liquid waste water drops and disinfectant water drops attached to the surface of solid waste, so that the water drops are prevented from contacting air and workers, and the probability of air pollution and worker infection is reduced.

As an embodiment of the present invention, as shown in fig. 7, the pressurizing mechanism 69 includes a pressurizing housing 691, an air hole 692, a pressing rod 693, a movable plate 694, a cavity plate 695, a check valve 696, and a spring 697; a pressurizing shell 691 is arranged on the outer circular surface of the neutralizing agent injection conduit 617 close to the upper surface of the transverse cavity of the crushing shell 61; an air hole 692 is formed in the position, close to the edge, of the upper edge of the pressurizing shell 691; a pressing rod 693 is arranged in the middle of the upper surface of the pressurizing casing 691, and one end of the pressing rod 693 penetrates through the upper surface of the pressurizing casing 691 and extends into the pressurizing casing 691; a movable plate 694 is fixedly connected to one end of the pressing rod 693 extending into the pressurizing shell 691; a conduit is fixedly connected to the lower surface of the pressurizing casing 691, and one end of the conduit penetrates through the lower surface of the pressurizing casing 691; the other end of the duct is fixedly connected to the upper surface of the transverse cavity of the crushing shell 61 near the edge, and the other end of the duct extends through the upper surface of the transverse cavity of the crushing shell 61 to the interior of which a cavity plate 695 is fixedly connected.

In operation, the neutralizer injection conduit 617 injects neutralizer into the horizontal cavity of the crushing shell 61, which may cause that the required amount of neutralizer cannot be obtained in the horizontal cavity of the crushing shell 61 in a delayed manner due to too low injection speed, so that the neutralizer and the mixed liquid of the liquid waste and the disinfectant do not have enough time to react, thereby affecting the neutralization efficiency; according to the invention, the pressurizing mechanism 69 is arranged, the neutralizing agent is injected into the pressurizing shell 691 in the pressurizing mechanism 69 from the neutralizing agent injection conduit 617, the one-way valve 696 can prevent the neutralizing agent from flowing back, the pressing rod 693 is pressed, air enters the pressurizing shell 691 from the air hole 692 so as not to influence the pressing, and the neutralizing agent enters the cavity plate 695 through the conduit by pressing with different force, and flows out from small holes uniformly distributed on the lower surface of the cavity plate 695 at different speeds; according to the invention, by arranging the pressurizing mechanism 69, a sufficient amount of neutralizing agent can be timely added into the transverse cavity of the crushing shell 61, and the outflow speed of the neutralizing agent can be controlled by adjusting the pressing force of the pressing rod 693, so that the device is suitable for different reaction times and dosage of the neutralizing agent required by different liquid wastes.

As an embodiment of the present invention, as shown in fig. 7, two springs 697 are symmetrically and fixedly connected to the upper surface of the movable plate 694, and one end of each spring 697 is fixedly connected to the upper surface of the inner cavity of the pressurizing housing 691.

When the neutralizing agent injection device works, when the neutralizing agent in the pressurizing shell 691 is completely discharged into the transverse cavity of the crushing shell 61 by pressing the pressing rod 693, the pressing rod 693 needs to be pulled upwards to inject the neutralizing agent into the lower part of the movable plate 694 through the neutralizing agent injection conduit 617, so that the neutralizing agent is continuously injected into the transverse cavity of the crushing shell 61 by pressurizing; according to the invention, by arranging the spring 697, when the pressing rod 693 is not provided with pressing force, the spring 697 is in a normal state, when the pressing rod 693 is applied with pressing force, the spring 697 is stretched, and when the pressing force is withdrawn, the spring 697 is contracted to drive the movable plate 694 to move upwards; according to the invention, the spring 697 is arranged, so that the pressing rod 693 can be pulled back to the original position after being pressed, space is provided for injecting the neutralizer into the pressurizing shell 691, and physical force consumed by a worker in the process of pulling back the pressing rod 693 until the lower part of the movable plate 694 is filled with the neutralizer is saved.

As an embodiment of the present invention, as shown in fig. 8, the stirring mechanism 615 includes a stirring shaft 6151, a stirring rod 6152; a stirring shaft 6151 is fixedly connected to the middle position of the lower surface of the transverse cavity of the crushing shell 61, and one end of the stirring shaft 6151 penetrates through the lower surface of the transverse cavity of the crushing shell 61 and extends into the crushing shell; the outer circular surface of one end of the stirring shaft 6151 extending into the crushing shell 61 is fixedly connected with symmetrically and uniformly distributed stirring rods 6152; the other end of the stirring shaft 6151 is rotatably connected with the turning shaft 732 through a belt pulley.

In operation, since the properties and densities of different liquid wastes are different from those of the neutralizing agent and the disinfectant, a slow neutralization phenomenon due to the difference in properties and densities may occur; according to the invention, the stirring mechanism 615 is arranged, the turnover motor 731 is started, the turnover motor 731 drives the turnover shaft 732 to rotate, the stirring shaft 6151 is driven to rotate through the belt pulley, so that the stirring rod 6152 is driven to rotate, and the stirring rod 6152 rotates in the liquid of the liquid waste, the neutralizer and the disinfectant; according to the invention, the stirring mechanism 615 is arranged, and the stirring rod 6152 rotates, so that the liquid waste, the neutralizer and the disinfectant are fully mixed, the neutralization reaction of the liquid waste, the neutralizer and the disinfectant is accelerated, and the neutralization efficiency of the neutralizer is improved.

The using method comprises the following steps: when the medical waste separation device is used, firstly, the feeding motor 4 is started, the feeding motor 4 drives the spiral rotating shaft 5 to start rotating, medical waste enters the feeding shell 1 through the feeding hole 2, is driven by the spiral rotating shaft 5 to move to the other end of the feeding shell 1, and finally enters the separation mechanism 6 through the discharging hole 3 to be subjected to solid-liquid separation; starting a flat crushing motor 62, driving a crushing shaft 63 to rotate by the crushing motor 62, driving a first conical disc 64, a second conical disc 65 and a third conical disc 66 to start rotating, enabling the waste to enter a crushing shell 61 through a discharge port 3, extruding the waste through the first conical disc 64, the second conical disc 65 and the third conical disc 66, extruding the waste with different volumes and sizes with a crushing cone 68, crushing the waste, dropping the crushed waste onto a hard filter screen 67, standing the hard filter screen 67 for a certain time, dropping the liquid waste onto the lower surface of the inner cavity of the crushing shell 61 through holes in the hard filter screen 67, injecting a neutralizer into the inner cavity of the crushing shell 61 through a neutralizer injection conduit 617 to neutralize the liquid waste, and opening a liquid discharge port 616 to discharge the neutralized liquid waste after neutralization; opening the electromagnetic door 611, allowing solid waste to enter the disinfection tank 612 through the communication pipe 610, injecting a disinfectant, continuously spraying the disinfectant into the disinfection tank 612 through the spray header 613, disinfecting and sterilizing liquid waste and bacterial microorganisms remaining on the solid waste, starting the turnover motor 731, driving the turnover shaft 732 to rotate by the turnover motor 731, driving the turnover rod 733 to rotate, driving the solid waste to rotate and turn over together by the rotation of the turnover rod 733, so that the disinfectant can be sprayed on each solid waste for disinfecting and sterilizing, driving the cross bar 742 to rotate when the turnover shaft 732 rotates, when the cross bar 742 rotates to contact with the shifting block 741, the cross bar 742 still rotates forward under the driving of the turnover shaft 732, slides over the inclined plane of the shifting block 741, in the process, the elastic filter screen 72 can shake up and down once to drive the solid waste above the elastic filter screen 72 to shake, thereby shaking off liquid waste water drops and disinfectant water drops on the surface of the solid waste, finally opening the discharge port 614 to take out the disinfected solid waste, enabling the sprayed excess disinfectant to enter the treatment tank 71 through the elastic filter screen 72, wherein the treatment tank 71 is the same as the crushing shell 61, the excess disinfectant flows into the transverse cavity with the crushing shell 61 through the treatment tank 71 and is mixed with the liquid waste to disinfect the liquid mixture, and a neutralizer is injected into the mixed liquid through a neutralizer injection conduit 617 to neutralize the mixed liquid; the neutralizing agent is injected into the pressurizing housing 691 in the pressurizing mechanism 69 from the neutralizing agent injection conduit 617, and the one-way valve 696 prevents the neutralizing agent from flowing back; the pressing rod 693 is pressed, air enters the pressurizing shell 691 from the air hole 692 so as not to affect the pressing, the neutralizing agent enters the cavity plate 695 through the guide pipe by pressing with different force, and flows out from small holes uniformly distributed on the lower surface of the cavity plate 695 at different speeds, when the pressing rod 693 is not provided with pressing force, the spring 697 is in a normal state, when the pressing rod 693 is applied with pressing force, the spring 697 is stretched, and when the pressing force is withdrawn, the spring 697 is contracted to drive the movable plate 694 to move upwards; the turnover motor 731 drives the turnover shaft 732 to rotate, the stirring shaft 6151 is driven to rotate through the belt pulley, so that the stirring rod 6152 is driven to rotate, the stirring rod 6152 rotates in the liquid of the liquid waste, the neutralizer and the disinfectant, the liquid waste, the neutralizer and the disinfectant are fully mixed, the neutralization reaction of the liquid waste, the neutralizer and the disinfectant is accelerated, and the neutralization efficiency of the neutralizer is improved.

The electric elements in the document are electrically connected with an external main controller and 220V mains supply through a transformer, the main controller can be a conventional known device controlled by a computer and the like, the product model provided by the invention is only used according to the structural characteristics of the product, the product can be adjusted and modified after being purchased, so that the product is more matched with and accords with the technical scheme of the invention, the product model is a technical scheme of the optimal application of the technical scheme, the product model can be replaced and modified according to the required technical parameters, and the product model is familiar to the technical personnel in the field, so that the technical scheme provided by the invention can clearly obtain the corresponding use effect.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a medical waste multi-stage sterilization system, includes feeding casing (1), feed inlet (2), discharge gate (3), feeding motor (4) and spiral axis of rotation (5), its characterized in that: a feed inlet (2) is formed in the position, close to the edge of one side, of the upper end of the outer circular surface of the feed shell (1); a feeding motor (4) is fixedly connected to the middle position of one end of the feeding shell (1), and the output end of the feeding motor (4) penetrates through the outer surface of the feeding shell (1) and extends into the feeding shell (1); the output end of the feeding motor (4) is fixedly connected with a spiral rotating shaft (5); a discharge hole (3) is formed in the position, close to the edge of the other side, of the lower end of the outer circular surface of the feeding shell (1); the lower end of the discharge port (3) is fixedly connected with a separation mechanism (6) for performing solid-liquid separation on the medical waste and respectively processing the medical waste.

2. The medical waste multistage sterilization system according to claim 1, wherein: the separation mechanism (6) comprises a crushing shell (61), a crushing motor (62), a crushing shaft (63), a first conical disc (64), a second conical disc (65), a third conical disc (66), a hard filter screen (67), a crushing cone (68), a pressurizing mechanism (69), a communicating pipe (610), an electromagnetic door (611), a sterilizing tank body (612), a spray head (613), a discharge port (614), a stirring mechanism (615), a liquid discharge port (616) and a neutralizer injection conduit (617); the lower end of the discharge port (3) is fixedly connected with a crushing shell (61), and the crushing shell (61) is L-shaped; the upper end of the inner circular surface of the crushing shell (61) is fixedly connected with crushing cones (68) which are uniformly distributed; the middle position of the lower circular surface of the crushing shell (61) is fixedly connected with a crushing motor (62); the output end of the crushing motor (62) is fixedly connected with a crushing shaft (63), and one end of the crushing shaft (63) penetrates through the lower circular surface of the crushing shell (61) and extends into the crushing shell; the upper end of the outer circular surface of one end, extending into the crushing shell (61), of the crushing shaft (63) is fixedly connected with a first conical disc (64), a second conical disc (65) and a third conical disc (66) from top to bottom, and the diameters of the first conical disc (64), the second conical disc (65) and the third conical disc (66) are sequentially increased from top to bottom; one side of the outer circular surface of the crushing shell (61) is fixedly connected with a communicating pipe (610), and one end of the communicating pipe (610) penetrates through the side wall of the crushing shell (61); an electromagnetic door (611) is arranged between the communicating pipe (610) and the crushing shell (61); an inclined hard filter screen (67) is fixedly connected to the lower end of the surface of the inner cavity body of the crushing shell (61) close to the lower edge of the connector of the communicating pipe (610), and the hard filter screen (67) is penetrated by a crushing shaft (63); the other end of the communication pipe (610) is fixedly connected with a disinfection tank body (612), and the other end of the communication pipe (610) penetrates through the side wall of the disinfection tank body (612); a guide pipe is fixedly connected to the middle position of the upper surface of the disinfection tank body (612), and one end of the guide pipe penetrates through the upper surface of the disinfection tank body (612) and extends into the disinfection tank body; one end of the conduit extending into the disinfection tank body (612) is fixedly connected with a spray head (613); a discharge opening (614) is formed in the position, corresponding to the interface of the communicating pipe (610), of the inner surface of the sterilizing tank body (612); a disinfection waste liquid treatment mechanism (7) is fixedly arranged at the lower end of the disinfection tank body (612); a neutralizer injection conduit (617) is connected to the upper surface of the transverse cavity of the crushing shell (61) in a penetrating manner at a position close to the edge; a pressurizing mechanism (69) is arranged on the outer circular surface of the neutralizing agent injection conduit (617) close to the upper surface of the transverse cavity of the crushing shell (61); a stirring mechanism (615) is arranged in the middle of the lower end of the inner surface of the transverse cavity of the crushing shell (61); and a liquid outlet (616) is formed in the position, close to the edge, of the lower end of the inner surface of the transverse cavity of the crushing shell (61).

3. The medical waste multistage sterilization system according to claim 2, wherein: the disinfection waste liquid treatment mechanism (7) comprises a treatment tank body (71), an elastic filter screen (72), a turnover mechanism (73) and a shaking mechanism (74); a treatment tank body (71) is fixedly arranged at the lower end of the disinfection tank body (612), and a mounting opening is formed at the joint of the treatment tank body (71) and the lower surface of the disinfection tank body (612); an elastic filter screen (72) is fixedly arranged in the mounting port; the left side of the outer surface of the treatment tank body (71) is the same as the transverse cavity of the crushing shell (61); a turnover mechanism (73) is arranged at the middle position of the lower surface of the treatment tank body (71); and a shaking mechanism (74) is arranged at the position, close to the turnover mechanism (73), of the lower surface of the elastic filter screen (72).

4. The medical waste multistage sterilization system of claim 3, wherein: the turnover mechanism (73) comprises a turnover motor (731), a turnover shaft (732) and a turnover rod (733); the middle position of the lower surface of the treatment tank body (71) is fixedly connected with a turnover motor (731); the output end of the overturning motor (731) is fixedly connected with an overturning shaft (732), and one end of the overturning shaft (732) penetrates through the lower surface of the treatment tank body (71) to extend into the treatment tank body and penetrates through the elastic filter screen (72) to extend into the disinfection tank body (612); the turnover shaft (732) extends to the outer circular surface of one end inside the disinfection tank body (612) and is fixedly connected with turnover rods (733) which are symmetrically and uniformly distributed.

5. The medical waste multistage sterilization system of claim 3, wherein: the shaking mechanism (74) comprises a shifting block (741) and a cross bar (742); two shaking and shifting blocks (741) are symmetrically and fixedly connected to the lower surface of the elastic filter screen (72) close to the turning rod (733); the outer circle surface of the turning rod (733) is symmetrically and fixedly connected with two cross rods (742) close to the elastic filter screen (72).

6. The medical waste multistage sterilization system of claim 2, wherein: the pressurizing mechanism (69) comprises a pressurizing shell (691), an air hole (692), a pressing rod (693), a movable plate (694), a cavity plate (695), a one-way valve (696) and a spring (697); a pressurizing shell (691) is arranged at the position of the outer circular surface of the neutralizing agent injection conduit (617) close to the upper surface of the transverse cavity of the crushing shell (61); an air hole (692) is formed in the position, close to the edge, of the upper edge surface of the pressurizing shell (691); a pressing rod (693) is arranged in the middle of the upper surface of the pressurizing shell (691), and one end of the pressing rod (693) penetrates through the upper surface of the pressurizing shell (691) and extends into the pressurizing shell (691); one end of the pressing rod (693) extending into the pressurizing shell (691) is fixedly connected with a movable plate (694); a conduit is fixedly connected to the lower surface of the pressurizing shell (691), and one end of the conduit penetrates through the lower surface of the pressurizing shell (691); the other end fixed connection of pipe is close to marginal position at the upper surface in the horizontal chamber of broken casing (61), just the other end of pipe runs through the upper surface in the horizontal chamber of broken casing (61) and extends to its inside fixedly connected with cavity board (695).

7. The medical waste multistage sterilization system of claim 6, wherein: the upper surface symmetry fixedly connected with two springs (697) of fly leaf (694), just one end of spring (697) all with pressurization casing (691) inner chamber upper surface fixed connection.

8. The medical waste multistage sterilization system of claim 2, wherein: the stirring mechanism (615) comprises a stirring shaft (6151) and a stirring rod (6152); the middle position of the lower surface of the transverse cavity of the crushing shell (61) is fixedly connected with a stirring shaft (6151), and one end of the stirring shaft (6151) penetrates through the lower surface of the transverse cavity of the crushing shell (61) and extends into the crushing shell; the outer circular surface of one end of the stirring shaft (6151) extending into the crushing shell (61) is fixedly connected with stirring rods (6152) which are symmetrically and uniformly distributed; the other end of the stirring shaft (6151) is rotationally connected with the overturning shaft (732) through a belt pulley.