CN214719295U - Combined medical waste treatment equipment adopting multiple sterilization methods - Google Patents
Combined medical waste treatment equipment adopting multiple sterilization methods Download PDFInfo
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- CN214719295U CN214719295U CN202120550241.9U CN202120550241U CN214719295U CN 214719295 U CN214719295 U CN 214719295U CN 202120550241 U CN202120550241 U CN 202120550241U CN 214719295 U CN214719295 U CN 214719295U
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Abstract
The utility model discloses a multiple sterilization method combination formula medical waste treatment equipment, including the sterilization container, be equipped with the conduction oil jacket of auxiliary heating on its lateral wall, be provided with microwave generator on the lateral wall of sterilization container, sterilization container is inside to be provided with stirring rake and blade disc, and when the stirring rake was rotatory, stirring rake and blade disc relative motion broken and the production of heat medical waste under the combined action of shearing force and frictional force. The utility model discloses combine together hot rotary-cut and three kinds of modes of thermal sterilization and microwave sterilization, the mode of operation that adopts intermittent type formula realizes that the sterilization temperature is high, and the sterilization time is short, the even purpose of heat distribution to guarantee medical waste's innocent treatment effect and environmental protection effect up to standard.
Description
Technical Field
The utility model belongs to the technical field of medical waste treatment, concretely relates to multiple sterilization method combination formula medical waste treatment equipment.
Background
Medical waste refers to waste with direct or indirect infectivity, toxicity and other harmfulness generated by various medical and health institutions in medical treatment, prevention, health care, teaching, scientific research and other related activities. Improper management and treatment not only affects environmental safety but also leads to epidemic infectious diseases.
Medical waste treatment technologies include incineration and non-incineration. And a relatively complex tail gas purification device is required to be configured in the incineration process. In the medical waste disposal project with daily disposal capacity lower than 10 tons, non-incineration technology is mostly adopted. Representative non-incineration techniques are high temperature steam sterilization, dry chemical sterilization and microwave sterilization.
The non-incineration treatment technology and products are large systems for centralized treatment, and generally comprise a feeding unit, a sterilization unit, a crushing unit and a tail gas treatment unit. The auxiliary facilities required to be equipped generally comprise a steam boiler, an air compressor, circulating water, a peripheral box, a vehicle cleaning system, a wastewater treatment system and the like.
How to realize that power is single, supporting device is simple thereby satisfies small-scale medical waste treatment engineering and hospital even ward in the prerequisite of handling up to standard and handle medical waste on the spot is the problem that this patent will solve.
Patent (CN203447546U) has disclosed a method for treating medical waste by thermal rotary cutting, which uses the heat generated by thermal rotary cutting to achieve thermal sterilization and chemical sterilization simultaneously, and achieves thermal sterilization and chemical sterilization while crushing the medical waste, wherein the heat is generated by friction, and the use of chemical disinfectant has a certain effect on the subsequent waste treatment process.
Patent (ZL200620027258.5) has used microwave mode to realize medical waste's sterilization process continuously, because the pressure in the sterilization spiral is the ordinary pressure, therefore the sterilization temperature is only 100 degrees at most, and the long sterilization time that needs can reach sterilization effect requirement.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provide a combined medical waste treatment device with multiple sterilization methods. This special hot rotary-cut combines together with three kinds of modes of thermal sterilization and microwave sterilization, adopts intermittent type formula mode of operation to realize that the sterilization temperature is high, and the sterilization time is short, and the even purpose of heat distribution to guarantee the innocent treatment effect and the environmental protection effect of reaching standard of medical waste.
The utility model discloses a realize through following technical scheme:
a combined medical waste treatment device adopting multiple sterilization methods comprises a sterilization container, wherein a heat conduction oil jacket for auxiliary heating is arranged on the side wall of the sterilization container, a microwave generator is arranged on the side wall of the sterilization container, a stirring paddle and a cutter head are arranged in the sterilization container, when the stirring paddle rotates, the stirring paddle and the cutter head move relatively, medical waste is crushed under the combined action of shearing force and friction force, and heat is generated.
In the technical scheme, a feed inlet with a quick-opening sealing door, a water inlet connected with tap water, an air outlet for air outlet and a discharge outlet for discharging are arranged on the sterilization container.
In the above technical solution, the sterilization container is provided with a monitoring port for monitoring the sterilization effect.
In the technical scheme, the sterilization container is provided with the pressure sensor, the humidity sensor and the temperature sensor. The humidity sensor is used for judging whether the medical waste is in a damp-heat sterilization state during sterilization, the medical waste contains moisture and is in the damp-heat sterilization state in most cases, and if the medical waste is not in the gas-liquid saturated damp-heat state, a small amount of tap water can be supplemented to achieve the damp-heat state.
In the technical scheme, the discharge hole at the bottom of the sterilization container is communicated with the feed inlet of the discharger, and the discharge hole of the discharger is communicated with the feed inlet of the screw conveyor.
In the technical scheme, the cutter disc is disc-shaped, the center of the cutter disc is provided with a bearing mounting hole, the cutter disc is mounted at the lower part of the sterilization container through a bearing, a discharge hole is formed in the cutter disc, a plurality of blades are uniformly distributed on the upper surface of the cutter disc in the circumferential direction, two limiting blocks are symmetrically arranged on the lower surface of the cutter disc, and correspondingly, a limiting bulge is arranged at the lower part of the sterilization container below the cutter disc; under the sterilization working state, the stirring paddle rotates in the positive direction, one limiting block on the cutter head is contacted with a limiting bulge arranged at the lower part of the sterilization container, and at the moment, the discharge hole on the cutter head is in a staggered state with the discharge hole of the sterilization container, so that the sterilized material in the sterilization container is prevented from entering the discharge hole; under the ejection of compact state after the sterilization is accomplished, the stirring rake direction is rotatory, and another stopper on the blade disc contacts with sterilization container lower part is provided with spacing arch, and the discharge opening on the blade disc aligns with sterilization container's discharge gate this moment to the medical waste who accomplishes the sterilization in the sterilization container pushes away to sterilization container discharge gate gradually under the effect of stirring.
In the above technical scheme, the discharger comprises a cylindrical shell, a driving motor, a main shaft and blades, wherein a feeding hole is formed in the upper side of the cylindrical wall of the cylindrical shell, a discharging hole is formed in the lower side of the cylindrical wall, the main shaft is installed in the cylindrical shell, a plurality of blades are uniformly arranged on the main shaft, the outer side of each blade is in full contact with the inner wall of the cylindrical shell, so that the blades separate the inside of the cylindrical shell into four relatively isolated spaces, the driving motor is fixedly installed on the end face of the cylindrical shell, and the output shaft of the driving motor is connected with the main shaft so as to drive the main shaft to rotate.
In the technical scheme, the jacket filled with heat conduction oil is arranged outside the cylinder of the screw conveyor, and the heat conduction oil heats the materials under the action of the electrodes to finish the drying and damp-heat sterilization effects.
In the technical scheme, the discharge port of the screw conveyor is of a quick-opening sealing flange structure, and sealing between the system and the operating environment is completed during sterilization.
In the technical scheme, the spiral conveyor is provided with an air outlet, and the air outlet of the sterilization container are converged through a pipeline and then connected to a subsequent biological filter and a subsequent deodorization tower.
The utility model discloses an advantage and beneficial effect do:
the utility model discloses combine together hot rotary-cut and three kinds of modes of thermal sterilization and microwave sterilization, the mode of operation that adopts intermittent type formula realizes that the sterilization temperature is high, and the sterilization time is short, the even purpose of heat distribution to guarantee medical waste's innocent treatment effect and environmental protection effect up to standard.
The special design of the cutter head of the utility model realizes the isolation of the material and the discharge port when the crushing function is completed, so that no dead angle exists in sterilization and crushing, under the sterilization working state, the stirring paddle rotates in the positive direction, one of the limiting blocks on the cutter head is in contact with the limiting bulge arranged on the lower part of the sterilization container, and at the moment, the discharge hole on the cutter head is in a dislocation state with the discharge port of the sterilization container, so that the material which is sterilized in the sterilization container is prevented from entering the discharge port; under the ejection of compact state after the sterilization is accomplished, the stirring rake direction is rotatory, and another stopper on the blade disc contacts with sterilization container lower part is provided with spacing arch, and the discharge opening on the blade disc aligns with sterilization container's discharge gate this moment to the medical waste who accomplishes the sterilization in the sterilization container pushes away to sterilization container discharge gate gradually under the effect of stirring.
The utility model discloses a when the ejection of compact is accomplished to the discharger, realized having the relative isolation in fungus district and aseptic district.
The utility model discloses a screw conveyer has accomplished further drying and to secondary sterilization when carrying the material. Especially if there is a possibility of excess liquid being present and seeping out, the liquid is sterilized thermally.
The utility model discloses simple structure, auxiliary assembly are few (no boiler, do not have special breaker, do not have the sterilization car, do not have heat exchanger etc.) and only use electric power as the energy, are particularly suitable for infectious ward to handle medical waste on the spot and handle the little medical waste treatment center engineering of scale.
Drawings
FIG. 1 is a schematic view of a multi-sterilization combined medical waste treatment apparatus according to the present invention;
fig. 2 is a schematic structural view of a cutter head in the present invention;
FIG. 3 is a cross-sectional view of the impeller shown in FIG. 2;
fig. 4 is a schematic structural view of a discharging device in the present invention;
fig. 5 is a schematic sectional structure diagram of the discharger in the present invention.
Wherein:
1: sterilization container, 2: cutter head, 3: stirring paddle, 4: drive motor, 5: conduction oil jacket, 6: microwave generator, 7: discharger, 8: screw conveyor, 9: jacket, 10: biological filter, 11: a deodorization tower, 2-1: blade, 2-2: stopper, 2-3: discharge hole, 7-1: cylindrical housing, 7-2: drive motor, 7-3: spindle, 7-4: a blade.
For a person skilled in the art, other relevant figures can be obtained from the above figures without inventive effort.
Detailed Description
In order to make the technical field person understand the solution of the present invention better, the technical solution of the present invention is further described below with reference to the specific embodiments.
Referring to the attached figure 1, the combined medical waste treatment equipment with multiple sterilization methods comprises a sterilization container 1, wherein the sterilization container 1 is a cylindrical container, a heat conduction oil jacket 5 for auxiliary heating is arranged on the side wall of the sterilization container, and heat is provided for sterilization by heating the heat conduction oil through electrodes. The side wall of the sterilization container 1 is provided with a microwave generator 6, and the medical waste is sterilized by microwave by using the heat effect and non-heat effect of the microwave. 1 inside stirring rake 3 that is provided with of sterilization container, 1 bottom of sterilization container is provided with and is used for driving the high-speed rotatory driving motor 4 of stirring rake, 1 inside still is provided with blade disc 2 of sterilization container, and when driving motor 4 drive stirring rake 3 high-speed rotatory, stirring rake 3 and blade disc 2 relative motion carry out breakage and produce the heat to medical waste under the combined action of shearing force and frictional force, and the stirring mixing effect has also strengthened the heat transfer effect of medical waste and clamp cover simultaneously.
The sterilizing container 1 is provided with a feed inlet 1-1 with a quick-opening sealing door, a water inlet 1-2 connected with tap water, an air outlet 1-3 used for air outlet, a discharge outlet 1-4 used for discharging, a monitoring port used for monitoring the sterilizing effect, instrument interfaces used for being connected with a pressure sensor, a humidity sensor and a temperature sensor, and the like.
Further, the cutter head 2 is a key part used for grinding medical wastes and assisting in discharging in the sterilization container, and referring to the attached drawing 2-3, the cutter head is disc-shaped, the center of the cutter head is provided with a bearing mounting hole, the cutter head is mounted at the lower part of the sterilization container 1 through a bearing, the cutter head is provided with a discharging hole 2-3, six blades 2-1 are uniformly distributed on the upper surface of the cutter head in the circumferential direction, the lower surface of the cutter head is symmetrically provided with two limiting blocks 2-2, and correspondingly, the lower part of the sterilization container 1 below the cutter head is provided with a limiting bulge; in the action process of the cutter head, when the stirring paddle rotates, the cutter head is driven to rotate for 180 degrees under the friction action of materials, after a limiting block on the cutter head is contacted with a limiting protrusion arranged at the lower part of the sterilization container 1, the cutter head stops rotating, and at the moment, the discharge hole 2-3 on the cutter head is staggered with the discharge hole 1-4 of the sterilization container, so that the materials which are sterilized in the sterilization container are prevented from entering the discharge hole, and friction dead angles and sterilization dead angles are avoided. At this time, the stirring continues to rotate and finishes cutting and grinding the medical waste together with the cutter head. After sterilization is completed, the stirring paddle rotates reversely, drives the cutter head to rotate in the reverse direction for 180 degrees and stops again under the action of the limiting block, at the moment, the discharge holes 2-3 on the cutter head are aligned with the discharge holes 1-4 of the sterilization container, and medical wastes which are sterilized in the sterilization container are gradually pushed to the discharge hole of the sterilization container under the action of stirring.
The discharge gate of 1 bottom of sterilization container communicates with the feed inlet of discharger 7, and the discharge gate of discharger 7 communicates with the feed inlet of auger delivery ware 8, and the effect of discharger has two, realizes quick ejection of compact firstly, realizes sterilizer and auger delivery ware's relative isolation secondly, realizes having the effective division in fungus district and aseptic district. Specifically, referring to fig. 4-5, the discharging device 7 includes a cylindrical housing 7-1, a driving motor 7-2, a main shaft 7-3 and blades 7-4, a feeding port 7-5 is provided on an upper side of a cylindrical wall of the cylindrical housing 7-1, a discharging port 7-6 is provided on a lower side of the cylindrical wall, the main shaft is installed in the cylindrical housing, four blades are uniformly arranged on the main shaft, outer sides of the blades are to be in full contact with an inner wall of the cylindrical housing (outer sides of the blades may be made of an elastic material to form a sealing effect), so that the blades divide the interior of the cylindrical housing into four relatively isolated spaces, the driving motor is fixedly installed on an end surface of the cylindrical housing, and an output shaft of the driving motor is connected with the main shaft to drive the main shaft to rotate.
The screw conveyor 8 has three functions, namely discharging, drying the materials and thermally sterilizing the moisture in the medical waste when the moisture in the medical waste is more. A jacket 9 filled with heat conducting oil is arranged outside the cylinder of the screw conveyor, and the heat conducting oil heats the materials under the action of the electrodes to finish the drying and moist heat sterilization effects; the discharge port of the screw conveyor is of a quick-opening sealing flange structure, and sealing between the system and an operating environment is completed during sterilization; the spiral conveyer is provided with an air outlet, and the air outlet is converged with the air outlet of the sterilization container through a pipeline and then connected to subsequent treatment equipment such as a biological filter 10, a deodorization tower 11 and the like.
The working process of this patent is as follows:
and (3) loading the completely packaged medical wastes into a sterilization container, sealing a feed inlet, starting stirring (high-speed forward rotation), stirring and crushing the medical wastes, and simultaneously starting a microwave generator, the sterilization container and a heat conduction oil electrode of a screw conveyor to heat the medical wastes. And after the set sterilization temperature is reached, starting sterilization operation, continuously stirring and rubbing the medical waste, performing microwave radiation and heat conduction oil heating, controlling the temperature to be not lower than the set sterilization temperature, and when the temperature exceeds the upper limit of the set sterilization temperature, adjusting by reducing the microwave radiation time. In order to ensure that the sterilization condition is a damp and hot state, the humidity in the sterilization container is measured by a hygrometer, and when the humidity does not meet the set requirement, a small amount of moisture is added to enable the sterilization container to reach a gas-liquid saturated state of damp and hot sterilization. When the set sterilization time is reached, stopping stirring and microwave radiation, stopping the heat conducting oil electrode of the sterilization container, opening the gas outlet valve of the screw conveyor, starting the induced draft fan of the deodorization tower, and relieving the pressure of the sterilization container until the pressure is close to the balance with the environmental pressure. After that, the discharge port of the screw conveyor is opened, stirring is started again (low-speed reverse rotation) and the discharge device and the screw conveyor are started, and the waste is sent out. And stopping stirring when the discharging is nearly finished, and then starting stirring again (at a positive rotation high speed) to reset the cutter head and then stopping stirring. And after the spiral conveyor finishes discharging, closing the discharge port of the spiral conveyor, closing all the process pipe orifices and the motors, and completing a treatment cycle.
Spatially relative terms, such as "upper," "lower," "left," "right," and the like, may be used in the embodiments for ease of description to describe one element or feature's relationship to another element or feature as illustrated in the figures. It will be understood that the spatial terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "lower" can encompass both an upper and a lower orientation. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
Moreover, relational terms such as "first" and "second," and the like, may be used solely to distinguish one element from another element having the same name, without necessarily requiring or implying any actual such relationship or order between such elements.
The invention has been described above by way of example, and it should be noted that any simple variants, modifications or other equivalent substitutions by a person skilled in the art without spending creative effort may fall within the scope of protection of the present invention without departing from the core of the present invention.
Claims (10)
1. A combined medical waste treatment equipment with multiple sterilization methods is characterized in that: the medical waste treatment device comprises a sterilization container, wherein a heat conduction oil jacket for auxiliary heating is arranged on the side wall of the sterilization container, a microwave generator is arranged on the side wall of the sterilization container, a stirring paddle and a cutter head are arranged in the sterilization container, when the stirring paddle rotates, the stirring paddle and the cutter head move relatively, and medical waste is crushed and generates heat under the combined action of shearing force and friction force.
2. The multi-sterilization method combined medical waste treatment apparatus according to claim 1, wherein: the sterilizing container is provided with a feed inlet with a quick-opening sealing door, a water inlet connected with tap water, an air outlet for air outlet and a discharge outlet for discharging.
3. The multi-sterilization method combined medical waste treatment apparatus according to claim 1, wherein: the sterilization container is provided with a monitoring port for monitoring the sterilization effect.
4. The multi-sterilization method combined medical waste treatment apparatus according to claim 1, wherein: the sterilization container is provided with a pressure sensor, a humidity sensor and a temperature sensor.
5. The multi-sterilization method combined medical waste treatment apparatus according to claim 1, wherein: the cutter head is disc-shaped, a bearing mounting hole is formed in the center of the cutter head, the cutter head is mounted at the lower part of the sterilization container through a bearing, a discharge hole is formed in the cutter head, a plurality of blades are uniformly distributed on the upper surface of the cutter head in the circumferential direction, two limiting blocks are symmetrically arranged on the lower surface of the cutter head, and correspondingly, a limiting bulge is formed in the lower part of the sterilization container below the cutter head; under the sterilization working state, the stirring paddle rotates in the positive direction, one limiting block on the cutter head is contacted with a limiting bulge arranged at the lower part of the sterilization container, and at the moment, the discharge hole on the cutter head and the discharge hole of the sterilization container are in a staggered state; under the ejection of compact state after the sterilization is accomplished, the stirring rake direction is rotatory, and another stopper on the blade disc is provided with spacing arch with the sterilization container lower part and contacts, and the discharge opening on the blade disc aligns with the discharge gate of sterilization container this moment.
6. The multi-sterilization method combined medical waste treatment apparatus according to claim 1, wherein: the discharge hole at the bottom of the sterilization container is communicated with the feed inlet of the discharger, and the discharge hole of the discharger is communicated with the feed inlet of the screw conveyor.
7. The combined medical waste treatment facility of claim 6, wherein: the discharger comprises a cylindrical shell, a driving motor, a main shaft and blades, wherein a feeding hole is formed in the upper side of the cylindrical wall of the cylindrical shell, a discharging hole is formed in the lower side of the cylindrical wall, the main shaft is installed in the cylindrical shell, a plurality of blades are uniformly arranged on the main shaft, the outer side of each blade is in full contact with the inner wall of the cylindrical shell, and therefore the blades are separated into four relatively isolated spaces with the inner part of the cylindrical shell, the driving motor is fixedly installed on the end face of the cylindrical shell, and an output shaft of the driving motor is connected with the main shaft so as to drive the main shaft to rotate.
8. The combined medical waste treatment facility of claim 6, wherein: the cylinder of the screw conveyor is externally provided with a jacket filled with heat conducting oil, and the heat conducting oil heats materials under the action of the electrodes to finish the drying and moist heat sterilization effects.
9. The combined medical waste treatment facility of claim 6, wherein: the discharge port of the screw conveyor is of a quick-opening sealing flange structure.
10. The combined medical waste treatment facility of claim 6, wherein: the spiral conveyer is provided with an air outlet, and the air outlet is converged with the air outlet of the sterilization container through a pipeline and then connected to a subsequent biological filter and a deodorization tower.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120550241.9U CN214719295U (en) | 2021-03-17 | 2021-03-17 | Combined medical waste treatment equipment adopting multiple sterilization methods |
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| CN202120550241.9U CN214719295U (en) | 2021-03-17 | 2021-03-17 | Combined medical waste treatment equipment adopting multiple sterilization methods |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114393014A (en) * | 2022-01-06 | 2022-04-26 | 江西鹏琨环保科技有限公司 | Medical waste high-temperature rotary-cut sterilization device |
| WO2023093915A1 (en) * | 2021-11-23 | 2023-06-01 | 浙江微盾环保科技股份有限公司 | Discharging mechanism of sterilization treatment device for medical waste |
| WO2024021505A1 (en) * | 2022-07-28 | 2024-02-01 | 浙江微盾环保科技股份有限公司 | Medical waste treatment sterilization bucket |
-
2021
- 2021-03-17 CN CN202120550241.9U patent/CN214719295U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023093915A1 (en) * | 2021-11-23 | 2023-06-01 | 浙江微盾环保科技股份有限公司 | Discharging mechanism of sterilization treatment device for medical waste |
| CN114393014A (en) * | 2022-01-06 | 2022-04-26 | 江西鹏琨环保科技有限公司 | Medical waste high-temperature rotary-cut sterilization device |
| WO2024021505A1 (en) * | 2022-07-28 | 2024-02-01 | 浙江微盾环保科技股份有限公司 | Medical waste treatment sterilization bucket |
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