CN217726612U - Medical waste treatment device - Google Patents
Medical waste treatment device Download PDFInfo
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- CN217726612U CN217726612U CN202221386971.0U CN202221386971U CN217726612U CN 217726612 U CN217726612 U CN 217726612U CN 202221386971 U CN202221386971 U CN 202221386971U CN 217726612 U CN217726612 U CN 217726612U
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Abstract
The utility model discloses a medical waste treatment device belongs to refuse treatment technical field, and it includes anaerobic pyrolysis unit, and anaerobic pyrolysis unit includes: a furnace body; an oxygen-free pyrolysis heating mechanism; a suction mechanism; the anaerobic pyrolysis heating mechanism comprises: an induction heating coil sleeved outside the inner container; and the conductive heating rod is arranged in the inner container. The utility model provides a medical waste pyrolysis treatment device, through the crushing unit with medical waste break into the tiny particle, then get rid of the moisture in the medical waste through the stoving unit, make medical waste pyrolysis become combustible gas and active carbon that can utilize through the anaerobic pyrolysis unit at last, realize the reuse of rubbish resource; the utility model provides a medical waste treatment device overall structure is simple, the leakproofness is good, the operating stability is good, medical waste pyrolysis is abundant, the treatment effeciency is high.
Description
Technical Field
The utility model relates to a medical waste treatment device belongs to refuse treatment technical field.
Background
The medical waste refers to waste with direct or indirect infection or other harmfulness generated in medical treatment, prevention, health care and other related activities, such as surgical residues, excrement, used cotton balls, gauzes, disposable plastic medical instruments, overdue drugs and the like. The medical waste has the characteristics of space pollution, acute infection, latent pollution and the like, the danger is obviously higher than that of common household waste, and serious pollution can be caused if the medical waste is not treated properly, even epidemic disease is spread. Therefore, the disposal of medical waste should be regarded as important. Incineration is the main method aiming at medical waste treatment at present, but incineration treatment has the problems of insufficient incineration, large pollution of discharged smoke and continuous treatment of residues after incineration.
The above description is included in the technical knowledge of the inventors, and does not necessarily constitute a prior art.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the problem that prior art exists, provide a medical waste treatment device, operating stability is good, the pyrolysis of medical waste is abundant, realizes recycling of rubbish resource.
The utility model discloses an adopt following technical scheme to realize above-mentioned purpose:
a medical waste treatment device comprising an oxygen-free pyrolysis unit, the oxygen-free pyrolysis unit comprising:
the furnace body comprises an inner container and a furnace shell arranged outside the inner container, a furnace body feed port is formed in the upper part of the furnace body, a furnace body feed valve is arranged at the furnace body feed port, a furnace body discharge port is formed in the bottom of the furnace body, a material blocking plug is plugged at the furnace body discharge port, and a furnace body exhaust pipe is communicated with the top of the furnace body;
the anaerobic pyrolysis heating mechanism is used for heating the furnace body;
the suction mechanism is communicated with the lower part of the furnace body and is used for pumping oxygen in the furnace body;
the anaerobic pyrolysis heating mechanism comprises:
an induction heating coil sleeved outside the inner container;
and the conductive heating rod is arranged in the inner container.
Optionally, a heat insulation material is filled between the inner container and the furnace shell.
Optionally, the inner container is formed by joining a large-diameter section, a conical section and a small-diameter section from top to bottom.
Optionally, the exhaust pipe is communicated to the gas heating water tank.
Optionally, the top of the conductive heating rod is fixed on the furnace body through an insulating heat-insulating column.
Optionally, the conductive heating rod is a graphite rod or a tungsten rod.
Optionally, the inner container is a ceramic inner container.
Optionally, the utility model provides a medical waste treatment device still includes the stoving unit, the stoving unit includes:
the drying device comprises a drying shell, a drying material inlet, a drying material outlet and a drying material outlet, wherein the drying shell is provided with the drying material inlet and the drying material outlet which are communicated with a furnace body material inlet;
the material pushing mechanism is arranged in the drying shell and used for pushing the materials in the drying shell to a feeding hole of the furnace body;
and the drying and heating mechanism is used for heating the drying shell and adopts a microwave heater.
Optionally, the drying shell is of a horizontal structure, the drying feed inlet is arranged at the top of the drying shell, and the drying discharge outlet is arranged at one end of the drying shell in the horizontal direction;
the pushing mechanism comprises a pushing plate vertically arranged in the drying shell, a push rod is connected to the pushing plate, and the outer end of the push rod extends out of the drying shell.
Optionally, the top of the drying shell is communicated with a gas purifier, and the gas purifier is filled with plasma and activated carbon.
Optionally, the utility model provides a medical waste treatment device still includes crushing unit, crushing unit includes the breaker casing, set up broken roller sword in the breaker casing, the top of breaker casing is provided with broken feed inlet, and the bottom of breaker casing is provided with broken ejection of compact section, broken ejection of compact section and stoving feed inlet intercommunication, be provided with first broken relief valve on the broken ejection of compact section.
Optionally, a second crushing and discharging valve is further arranged on the crushing and discharging section below the first crushing and discharging valve.
Benefits of the present application include, but are not limited to:
the medical waste treatment device provided by the utility model crushes the medical waste into small particles through the crushing unit, removes the moisture in the medical waste through the drying unit, and finally pyrolyzes the medical waste into combustible gas and active carbon which can be utilized through the anaerobic pyrolysis unit, thereby realizing the reutilization of waste resources; the utility model provides a medical waste treatment device overall structure is simple, the leakproofness is good, operating stability is good, the pyrolysis of medical waste is abundant, the treatment effeciency is high.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a schematic structural view of a medical waste disposal device provided by the present invention;
in the figure, 110, a furnace body; 111. an inner container; 112. a furnace shell; 113. a furnace body feed valve; 114. a material blocking plug; 115. a pin; 121. an induction heating coil; 122. a conductive heating rod; 123. a high frequency power supply; 124. an insulating heat-insulating column; 130. a suction mechanism; 140. a material receiving box; 150. a gas heating water tank; 160. A thermal insulation material; 210. drying the shell; 220. a material pushing mechanism; 221. a material pushing plate; 222. a push rod; 230. A drying and heating mechanism; 240. a gas purifier; 310. a crusher shell; 320. crushing a roller cutter; 330. A first crushing discharge valve; 340. a second crushing discharge valve; 350. and a controller.
Detailed Description
In order to clearly illustrate the technical features of the present invention, the present invention is explained in detail by the following embodiments in combination with the accompanying drawings.
It should be noted that in the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those described herein. Accordingly, the scope of the present invention is not limited by the specific embodiments disclosed below.
As shown in fig. 1, the utility model provides a medical waste treatment device, including the anaerobic pyrolysis unit, the anaerobic pyrolysis unit includes furnace body 110, anaerobic pyrolysis heating mechanism and suction mechanism 130.
The furnace body 110 comprises an inner container 111 and a furnace shell 112 arranged on the outer side of the inner container 111, a furnace body feeding port is formed in the upper part of the furnace body 110, a furnace body feeding valve 113 is arranged at the furnace body feeding port, a furnace body discharging port is formed in the bottom of the furnace body 110, a material blocking plug 114 is plugged at the furnace body discharging port, and a furnace body exhaust pipe is communicated with the top of the furnace body 110;
the oxygen-free pyrolysis heating mechanism is used for heating the furnace body 110;
the suction mechanism 130 is communicated with the lower portion of the furnace body 110, and the suction mechanism 130 is used for extracting oxygen in the furnace body 110.
Specifically, the anaerobic pyrolysis heating mechanism includes an induction heating coil 121 sleeved outside the inner container 111 and a conductive heating rod 122 arranged on the inner container 111, the conductive heating rod is a graphite rod or a tungsten rod, and the inner container 111 is a ceramic inner container.
The material blocking plug 114 is blocked at the discharge hole of the furnace body, and the position of the material blocking plug can be fixed by a pin 115 which passes through the side wall of the discharge hole of the furnace body and the material blocking plug.
Wherein, the ceramic inner container has the advantages of high temperature resistance and good heat storage performance, and the pumping mechanism 130 adopts a vacuum pump. The suction pipeline of the suction mechanism is provided with a valve for controlling the opening and closing of the suction pipeline.
When the furnace body is in operation, after organic medical wastes such as surgical residues, excrement, used cotton balls, gauze, disposable plastic medical instruments, overdue medicines and the like are introduced into the furnace body 110 from the furnace body feeding hole, the furnace body feeding valve 113 is closed, the suction mechanism 130 is started, and air in the furnace body 110 is pumped out, so that an oxygen-free environment is formed in the furnace body 110. Then, the high-frequency power supply 123 connected to the induction heating coil 121 is started to generate a changing magnetic field in the induction heating coil, and then the conductive heating rod 122 in the induction heating coil 121 generates current to generate heat, so as to heat the medical waste in the furnace body 110 at a high temperature, and realize pyrolysis of the medical waste in a high-temperature oxygen-free environment. The products of the high-temperature oxygen-free pyrolysis of the medical waste are combustible gas and active carbon, which can be effectively utilized, and toxic substances such as dioxin and the like are not generated basically, so that the treatment difficulty of tail gas and residues is reduced.
The activated carbon formed after pyrolysis and carbonization is discharged by opening the blocking plug 114 and is further collected into the material receiving box 140; and the combustible gas may be routed to the gas-heated water tank 150 for heating the water therein.
Further, in order to reduce the heat dissipation of the furnace body 110, a thermal insulation material 160 is usually filled between the inner container 111 and the furnace shell 112.
Furthermore, the inner container 111 is formed by connecting a large-diameter section, a conical section and a small-diameter section from top to bottom, the upper part of the inner diameter of the inner container 111 is large, and the lower part of the inner diameter of the inner container is small, so that the size of the heating cavity and the distribution density of the induction heating coils are different, and the distribution density of heat in the furnace body is in a distribution trend that the upper part is lower than the lower part, and gradient heating is formed. The temperature at the bottom of the furnace body is high, which is more beneficial to obtaining fully carbonized products.
In a preferred embodiment, the top of the conductive heating rod 122 is fixed on the furnace body 110 through the insulating column 124, so that the heat loss at the top of the furnace body 110 can be reduced. The insulating column 124 is typically made of a temperature-resistant, heat-insulating, and dielectric ceramic material.
In a preferred embodiment, the medical waste disposal device of the present invention further comprises a drying unit, wherein the drying unit comprises a drying casing 210, a pushing mechanism 220 and a drying and heating mechanism 230.
Wherein, a drying feed inlet and a drying discharge outlet are arranged on the drying shell 210, the drying discharge outlet is communicated with the furnace body feed inlet, and a drying discharge valve is arranged at the drying discharge outlet;
the material pushing mechanism 220 is arranged in the drying shell 210, and the material pushing mechanism 220 is used for pushing the material in the drying shell 210 to a furnace body feeding hole;
the drying and heating mechanism 230 is used for heating the medical waste in the drying housing 210, and the drying and heating mechanism 230 preferably adopts a microwave heater, so that the drying speed is high, the temperature of the medical waste is gradually increased after the medical waste absorbs heat, and moisture is volatilized.
In one embodiment, the drying casing 210 is a horizontal structure, the drying inlet is disposed at the top of the drying casing 210, and the drying outlet is disposed at one end of the drying casing 210 in the horizontal direction;
the pushing mechanism 220 includes a pushing plate 221 vertically disposed in the drying casing 210, the pushing plate 221 is connected to a pushing rod 222, and an outer end of the pushing rod 222 extends to an outer side of the drying casing 210. After the medical waste crushed in the crushing unit falls into the drying shell 210, the material pushing plate 221 moves towards the feeding hole of the furnace body to push the medical waste into the furnace body 110.
Further, the top of the drying casing 210 is communicated with a gas purifier 240, and the gas purifier 240 is filled with plasma and activated carbon. The tail gas generated during drying enters the gas purifier 240, and the purpose of purifying the odor gas is achieved through the adsorption of plasma and active carbon, so that the clean emission of the tail gas is realized.
In another preferred embodiment, the utility model provides a medical waste treatment device still includes crushing unit, can extrude, cut medical waste, avoids medical waste to dry or the pyrolysis is insufficient.
Specifically, crushing unit includes breaker casing 310, sets up broken roller sword 320 in the breaker casing 310, and the top of breaker casing 310 is provided with broken feed inlet, and the bottom of breaker casing 310 is provided with broken ejection of compact section, and broken ejection of compact section and stoving feed inlet intercommunication are provided with first broken discharge valve 330 on the broken ejection of compact section. When feeding into the furnace body 110 of the anaerobic pyrolysis unit is required, the first crushing discharge valve 330 is opened to allow the crushed medical waste to fall out of the crusher housing 310.
Furthermore, a second crushing and discharging valve 340 is arranged on the crushing and discharging section below the first crushing and discharging valve 330. Generally, the first crushing discharge valve 330 and the second crushing discharge valve 340 both employ push plate valves.
When medical waste in the crushing unit needs to be introduced into the anaerobic pyrolysis unit, the first crushing discharge valve 330 is opened to enable the crushed medical waste to fall onto the second crushing discharge valve 340 from the crushing shell 310, then the first crushing discharge valve 330 is closed, and then the second crushing discharge valve is opened, so that the medical waste can enter the drying unit. In the process, the breaking unit and the drying unit are always kept in a cut-off state, so that the quantity of medical waste entering the drying unit is conveniently controlled, and the mutual interference of air flow between the breaking unit and the drying unit is also avoided.
In practical application, the first crushing and discharging valve 330, the second crushing and discharging valve 340 and the material pushing mechanism 220 are all connected to the controller 350, so that the second crushing and discharging valve 340 is in a closed state when the first crushing valve is opened, and after the second crushing and discharging valve 340 is opened for a certain time, the material pushing mechanism 220 starts to operate to push material.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and to simplify the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; the connection can be mechanical connection, electrical connection or communication; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The above-mentioned specific embodiments can not be regarded as the restriction to the protection scope of the present invention, to the technical personnel in this technical field, it is right that any replacement improvement or transformation that the embodiment of the present invention made all fall within the protection scope of the utility model.
The parts of the present invention not described in detail are the known techniques of those skilled in the art.
Claims (10)
1. A medical waste treatment device, comprising an oxygen-free pyrolysis unit, the oxygen-free pyrolysis unit comprising:
the furnace body comprises an inner container and a furnace shell arranged on the outer side of the inner container, a furnace body feed port is formed in the upper part of the furnace body, a furnace body feed valve is arranged at the furnace body feed port, a furnace body discharge port is formed in the bottom of the furnace body, a material blocking plug is plugged at the furnace body discharge port, and a furnace body exhaust pipe is communicated with the top of the furnace body;
the anaerobic pyrolysis heating mechanism is used for heating the furnace body;
the suction mechanism is communicated with the lower part of the furnace body and is used for extracting oxygen in the furnace body;
the anaerobic pyrolysis heating mechanism comprises:
an induction heating coil sleeved outside the inner container;
and the conductive heating rod is arranged in the inner container.
2. The medical waste disposal device of claim 1, wherein a thermal insulation material is filled between said inner container and said furnace shell.
3. The medical waste disposal device of claim 1, wherein said inner container is formed by joining a large diameter section, a tapered section, and a small diameter section from top to bottom.
4. The medical waste disposal device of claim 1, wherein said exhaust pipe is connected to a gas heated water tank.
5. The medical waste treatment device according to claim 1, wherein the top of the conductive heating rod is fixed on the furnace body through an insulating and heat-insulating column, and the conductive heating rod is a graphite rod or a tungsten rod; the inner container is a ceramic inner container.
6. The medical waste disposal device of claim 1, further comprising a drying unit, said drying unit comprising:
the drying device comprises a drying shell, a drying material inlet and a drying material outlet are formed in the drying shell, and the drying material outlet is communicated with a furnace body material inlet;
the material pushing mechanism is arranged in the drying shell and used for pushing the materials in the drying shell to a feeding hole of the furnace body;
and the drying and heating mechanism is used for heating the drying shell and adopts a microwave heater.
7. The medical waste disposal device of claim 6, wherein said drying housing is of a horizontal structure, said drying inlet is disposed at the top of said drying housing, and said drying outlet is disposed at one end of said drying housing in the horizontal direction;
the pushing mechanism comprises a pushing plate vertically arranged in the drying shell, a push rod is connected to the pushing plate, and the outer end of the push rod extends out of the drying shell.
8. The medical waste disposal device according to claim 6, wherein a gas purifier is communicated with the top of said drying housing, and said gas purifier is filled with plasma and activated carbon.
9. The medical waste treatment device according to claim 6, further comprising a crushing unit, wherein the crushing unit comprises a crusher shell, a crushing roller knife is arranged in the crusher shell, a crushing feed inlet is formed in the top of the crusher shell, a crushing discharge section is arranged at the bottom of the crusher shell, the crushing discharge section is communicated with a drying feed inlet, and a first crushing discharge valve is arranged on the crushing discharge section.
10. The medical waste disposal device of claim 9, wherein a second crushing and discharging valve is further provided on the crushing and discharging section below the first crushing and discharging valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221386971.0U CN217726612U (en) | 2022-06-01 | 2022-06-01 | Medical waste treatment device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221386971.0U CN217726612U (en) | 2022-06-01 | 2022-06-01 | Medical waste treatment device |
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| CN217726612U true CN217726612U (en) | 2022-11-04 |
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| CN202221386971.0U Active CN217726612U (en) | 2022-06-01 | 2022-06-01 | Medical waste treatment device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116731733A (en) * | 2023-06-21 | 2023-09-12 | 盐城工学院 | Contact type electric heating biomass pyrolysis device |
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2022
- 2022-06-01 CN CN202221386971.0U patent/CN217726612U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116731733A (en) * | 2023-06-21 | 2023-09-12 | 盐城工学院 | Contact type electric heating biomass pyrolysis device |
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