CN219211036U

CN219211036U - Crushing system of sterilization and disinfection equipment

Info

Publication number: CN219211036U
Application number: CN202223291525.4U
Authority: CN
Inventors: 黄军政; 郑忠军; 周飞; 张春明; 戴本银
Original assignee: Antai Life Sciences Zhejiang Co ltd
Current assignee: Antai Life Sciences Zhejiang Co ltd
Priority date: 2022-12-08
Filing date: 2022-12-08
Publication date: 2023-06-20
Anticipated expiration: 2032-12-08

Abstract

The utility model discloses a crushing system of a sterilization and disinfection device. The system comprises a speed reducer 1, a shaft coupling 2, a roller 3, a roller blade assembly 4, an auxiliary fixed knife 5, a fixed knife supporting frame 6 and a filtering and cutting net 7. The utility model can solve the problems of loading, carrying and storing large-volume biological wastes, can cut the biological wastes, can improve the crushing rate of the wastes and the crushing degree of crushed particles, can reduce the overall energy consumption of biological waste treatment, realizes the motorized cutting and crushing, and reduces the risk of personnel infection.

Description

Crushing system of sterilization and disinfection equipment

Technical Field

The utility model belongs to the technical field of biohazard waste treatment, and particularly relates to a crushing system of sterilizing equipment which can be used in biological laboratories, hospitals and animal research institutes.

Background

Biohazardous waste generally refers to all biological solid and liquid waste from hospitals, nursing homes, clinics, laboratories and research centers. The inclusion of large amounts of bacteria, viruses and other harmful substances in biowaste can be responsible for the spread of infections in the population and is a real risk of infection. The biohazard waste is generally collected and stored uniformly and then treated by chemical disinfection, incineration and the like. At present, a great amount of smoke dust and harmful gas can be released to pollute the environment in the incineration treatment process of the biohazard waste, the biohazard waste can leak in the storage period, and in the collection and transportation processes, the biohazard substances can be scattered in the way, so that secondary pollution is brought, and the risk is very high.

The prior art CN107073143a discloses an apparatus for treating medical waste and a method of using the same, using a high temperature and high pressure steam. The apparatus combines both sterilization chamber and steam generating components together, and can be used independently without requiring special installations, connections, plumbing, or permanent or semi-permanent electrical connections. The prior art CN107073143A adopts a non-stirring mode high-temperature steam sterilization method, and is easy to generate a cold island effect, so that insufficient sterilization is caused, the use requirement cannot be met, and the hidden danger of biological safety exists. Also, this solution does not allow isolation of the dirty and sterile areas when medical waste is handled.

The existing biohazard waste treatment equipment has the risk of secondary pollution, is easy to cause insufficient disinfection, cannot realize biosafety isolation, and an improved biohazard waste treatment equipment is urgently needed to overcome the defects.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model provides a crushing system of a sterilization and disinfection device, which adopts the following technical scheme:

a fracturing system of a sterilization disinfection apparatus, the system comprising: the device comprises a speed reducer, a coupler, a roller blade assembly, an auxiliary fixed cutter, a fixed cutter supporting frame and a filtering and cutting net;

the speed reducer is arranged at the left end of the crushing system and comprises a motor connecting end, a speed reducing mechanism and a speed reducing output shaft;

the coupler is positioned on the right side of the speed reducer and is connected with the speed reducer;

the roller is positioned on the right side of the coupler and is connected with the coupler;

the roller comprises a main body, a left shaft part and a right shaft part which are positioned at the left end and the right end of the main body;

the main body is arranged in a sterilizing bin of sterilizing equipment, the left shaft part is coaxially connected with the coupler through a front end sealing flange, and the right shaft part is rotatably connected with a rear end sealing flange.

Further, the motor connecting end is connected with a rotating shaft of an external driving motor and the speed reducing mechanism;

the speed reducing mechanism comprises a speed reducing gear and/or a worm, and is connected with the speed reducing output shaft;

the rotation speed of the external driving motor is 1400rpm; the rotational speed of the roller is 110rpm and the torque of the roller is greater than 600Nm.

Further, the coupler is connected with the speed reduction output shaft and the rolling shaft and is used as a buffer device of the speed reducer and the rolling shaft;

the front end sealing flange and the rear end sealing flange are arranged on the side wall of a sterilizing bin of the sterilizing equipment and used for sealing and isolating the sterilizing bin of the sterilizing equipment from the outside.

Further, the surface of the main body is provided with a plurality of teeth in parallel along the axis of the roller, each tooth is annular and surrounds the main body, the cross section of the ring is isosceles triangle, and the plane of the ring is perpendicular to the axis of the roller.

Further, the roller blade assembly includes a plurality of blades;

the blades are spirally and uniformly distributed on the main body of the roller, specifically, 3 rows of blades are spirally arranged on the main body, each 1 row of blades comprises a plurality of blades, and two adjacent blades in each 1 row of blades are respectively arranged on adjacent teeth;

the roller can ensure that 8 to 10 blades are contacted with the cut object at any rotation angle.

Further, the auxiliary fixed cutters are fixed in a sterilizing bin of the sterilizing equipment, the number of the auxiliary fixed cutters is 8, and the auxiliary fixed cutters are arranged around the rolling shaft;

each auxiliary stationary knife comprises tooth grooves which are matched with teeth of the rolling shaft and blades on the rolling shaft relatively, and the auxiliary stationary knives and the blades generate relative motion in the rotating process so as to cut, squeeze and crush wastes.

Further, the fixed knife support frame is arranged in a sterilization bin of the sterilization and disinfection equipment and is used for fixing the auxiliary fixed knife and the filtering and cutting net and adjusting the relative positions of the auxiliary fixed knife and the filtering and cutting net and the rolling shaft.

Further, the filtering and cutting net is positioned right below the rolling shaft;

the filter cutting net comprises a sawtooth part and a leak hole.

Further, the crushing system of the sterilization and disinfection equipment further comprises an air cylinder, an air cylinder pushing assembly and a pushing plate assembly;

the air cylinder is positioned at the side of a sterilizing bin of the sterilizing equipment;

the cylinder pushing assembly is positioned in the sterilization bin of the sterilization and disinfection equipment, one end of the cylinder pushing assembly is connected with the shaft of the cylinder, and the other end of the cylinder pushing assembly is connected with the pushing plate assembly and used for changing the relative position of the pushing plate assembly so that the pushing plate assembly can generate a trend of extruding waste in the sterilization bin;

the pushing plate assembly is positioned in a sterilization bin of the sterilization and disinfection equipment and is used for enabling the waste to be in contact with the roller and the roller blade assembly.

Further, the installation clearance between the roller and the auxiliary fixed knife is 4mm-10mm;

the installation clearance between the roller blade component and the auxiliary fixed knife is 2mm-4mm;

the installation clearance of the tooth filtering and cutting net of the roller is 4mm-10mm, and the installation clearance of the roller blade component and the filtering and cutting net is 2mm-6mm.

The utility model can solve the loading, carrying and storing problems of a plurality of large-volume biological wastes. Biological waste such as catheters, bandages and gauze, dialyzers, cloth and textile waste, plastics, glassware, human and animal tissue (including bone), pathological waste, expired and unused drugs and vaccines, laboratory cultures, plastic packaging and cartons may be cut. The crushing rate of the waste and the crushing degree of the crushed particles can be improved. Can improve the sterilizing efficiency of the waste. Saving the whole energy consumption of biological waste treatment and saving the required energy. Realizes the motorized cutting and crushing, reduces the intervention of personnel and avoids the risk of personnel being infected.

Drawings

Fig. 1 is a block diagram of the main structure of the crushing system of the present utility model.

Fig. 2 is a block diagram of a side view of the crushing system of the present utility model.

Fig. 3 is a schematic installation view of the crushing system of the present utility model.

Detailed Description

The utility model is further described below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and are not intended to limit the scope of the present utility model. It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the present application.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

As shown in figure 1, the crushing system of the sterilizing equipment comprises a speed reducer 1, a coupling 2, a roller 3, a roller blade assembly 4, an auxiliary fixed cutter 5, a fixed cutter supporting frame 6 and a filtering and cutting net 7.

The speed reducer 1 is arranged at the left end of the crushing system and used as a power source of the crushing system, and comprises a motor connecting end 11, a speed reducing mechanism 12 and a speed reducing output shaft 13. The motor connecting end 11 is used for being connected with a rotating shaft of an external driving motor, and is driven by the motor connecting end to rotate and drive the speed reducing mechanism 12, the speed reducing mechanism 12 comprises a speed reducing gear and/or a worm, the speed reducing mechanism is used for transmitting the torque of the external driving motor to the speed reducing output shaft 13, and the speed reducing output shaft 13 is used for outputting the rotating torque.

Specifically, the rotation speed of the external driving motor of the present utility model is 1400rpm, and the rotation speed of the roller 3 is 110rpm after the reduction by the speed reducer 1, and the torque of the roller 3 is more than 600Nm, so that the crushing system can crush some hard wastes such as bones, glass products, etc.

The coupler 2 is positioned on the right side of the speed reducer 1, is connected with the speed reduction output shaft and the rolling shaft, and is used as a buffer device of the speed reducer 1 and the rolling shaft 3, so that the stability of the system is ensured.

The roller 3 is positioned on the right side of the coupler 2 and is a main bearing part and a cutter supporting part for crushing and cutting. The roller 3 includes a main body and left and right shaft portions at left and right ends of the main body. The main body is disposed inside a sterilization chamber 21 of the sterilization apparatus 20. The left shaft part is coaxially connected with the coupler through a front end sealing flange 14, and the right shaft part is rotatably connected with a rear end sealing flange 15.

The front end sealing flange 14 and the rear end sealing flange 15 are installed on the side wall of the sterilizing chamber 21 of the sterilizing and disinfecting device 20, and are used for sealing and isolating the sterilizing chamber 21 from the outside.

The surface of the main body is provided with a plurality of teeth in parallel along the axis of the roller 3, each tooth is annular and surrounds the main body, the cross section of the ring is isosceles triangle, and the plane of the ring is perpendicular to the axis of the roller 3.

The roller blade assembly 4 includes a plurality of blades for cutting and crushing the object to be cut. The roller blade assemblies are spirally and uniformly distributed on the main body of the roller 3. Specifically, 3 rows of blades are spirally installed on the main body, each 1 row comprises a plurality of blades, every 1 row of blades are respectively installed on adjacent teeth, the roller 3 is ensured to be in contact with a cut object at any rotation angle, and the crushing and cutting efficiency is improved.

The auxiliary stationary blades 5 are fixed inside the sterilizing bin 21, the number of the auxiliary stationary blades 5 is 8, the auxiliary stationary blades are arranged around the rolling shaft 3, each 1 auxiliary stationary blade 5 comprises tooth grooves, the tooth teeth of the rolling shaft 3 and the blades on the rolling shaft 3 are matched relatively, and the cutters on the rolling shaft 3 and the rolling shaft 3 move relatively in the rotating process, so that the waste is cut, extruded and crushed. The degree of waste crushing is regulated by regulating the assembly gap between the auxiliary stationary knife 5 and the roller 3.

The fixed knife supporting frame 6 is arranged in the sterilization bin 21 and is used for fixing the auxiliary fixed knife 5 and the filtering and cutting net 7 and adjusting the relative positions of the auxiliary fixed knife 5 and the filtering and cutting net 7 and the rolling shaft 3.

The filtering and cutting net 7 is located under the roller 3, the filtering and cutting net 7 contains saw tooth parts and leakage holes, when the teeth and blades of the roller 3 and the auxiliary fixed knife 5 cut the cut objects, the cut small cut objects enter the lower portion of the roller 3 through gaps between the teeth and blades of the roller 3 and the auxiliary fixed knife 5, and due to the fact that part of waste is soft or elastic, when the waste is extruded to the lower portion of the roller 3, the filtering and cutting net 7 can be used for screening and secondary cutting, and the cutting and crushing effect is further guaranteed.

The utility model relates to a crushing system of sterilizing equipment, which further comprises an air cylinder, an air cylinder pushing assembly and a pushing plate assembly. The cylinder is positioned at the side of the sterilizing chamber 21 and provides a pressing power source for some wastes which are not easy to cut, so as to realize the further contact of the wastes and the chip parts

The cylinder pushing assembly is located inside the sterilization bin 21 of the sterilization and disinfection device 20, one end of the cylinder pushing assembly is connected with the cylinder shaft, and the other end of the cylinder pushing assembly is connected with the pushing plate assembly and used for changing the relative position of the pushing plate assembly, so that the pushing plate assembly has a tendency of extruding the waste in the sterilization bin 21.

The pushing plate assembly is positioned in the sterilizing bin 21 of the sterilizing equipment 20, so that the waste is further contacted with the roller 3 and the roller blade assembly 4, and the cutting and crushing efficiency is improved.

Referring to fig. 2, the crushing system is located in the middle of the whole sterilization and disinfection equipment 20, a feeding automatic sealing door is arranged above the crushing system, and a side door below the crushing system is an automatic discharging sealing door. After the waste is poured into the sterilizing bin 21, the feeding automatic sealing door and the automatic discharging sealing door are closed, and a sealed space is formed by the feeding automatic sealing door, the sterilizing bin 21, the automatic discharging sealing door and the sealing flange of the crushing system. The sterilization and disinfection equipment 20 starts to operate, the crushing system starts to operate, after the cut waste is crushed and sterilized, the feeding automatic sealing door and the automatic discharging sealing door are opened, discharging cleaning is performed, and the next period operation is waited.

The working flow of the crushing system is as follows:

the external driving motor drives the speed reducer 1 to rotate, and then the speed reducer 1 is used for adjusting the rotation speed and torque of the roller 3, so that the roller blade component 4 on the roller 3 and the auxiliary fixed knife 5 generate relative motion and cutting force for cutting broken waste.

The minimum cutting unit size of the cut waste is adjusted by adjusting the installation clearance between the roller 3 and the auxiliary stationary knife 5, the roller blade assembly 4 and the auxiliary stationary knife 5, the tooth filter cutting net 7 of the roller 3, and the roller blade assembly 4 and the filter cutting net 7. The installation clearance between the roller 3 and the auxiliary fixed knife 5 is 4mm-10mm, the installation clearance between the roller blade component 4 and the auxiliary fixed knife 5 is 2mm-4mm, the installation clearance between the teeth of the roller 3 and the filter cutting net 7 is 4mm-10mm, and the installation clearance between the roller blade component 4 and the filter cutting net 7 is 2mm-6mm. The crushing system can crush the waste into small fragments with the diameter of 2mm, and the average size of the cutting blocks is less than or equal to 10mm in consideration of the fact that some waste is soft or elastic. The decomposed small fragments are very beneficial to the subsequent treatment such as sterilization, transportation, storage and the like in the next step, can greatly improve the sterilization effect of the waste, and realizes the final harmless treatment of the waste.

The waste to be cut is pressed by the air cylinder, the air cylinder pushing component and the pushing plate component, so that the waste is further contacted with the roller 3 and the roller blade component 4, and the cutting efficiency is improved in an auxiliary mode.

The utility model can obtain the following technical effects: 1. solves the problems of loading, carrying and storing of a plurality of large-volume biological wastes. The crushing system of the utility model can further change the final state of the large-sized waste or the waste with small density, reduce the stacking gap, improve the space utilization rate, and solve the problems of loading, carrying, storing and the like. 2. Biological waste such as catheters; bandages and gauze, dialyzers, cloth and textile waste, plastics, glassware, human and animal tissue (including bone), pathological waste, expired and unused medicines and vaccines, laboratory cultures, plastic packaging and cartons, and the like. 3. The crushing rate of the waste and the fineness of the crushed particles can be improved. The cutter component has small installation clearance, is provided with a multi-layer crushing structure, and finally is also provided with a filter screen for screening, so that the crushing rate and the fineness of crushed particles can be improved. 4. Can improve the sterilizing efficiency of the waste. The sterilization degree of the periphery and the interior of the massive waste is inconsistent, so that the sterilization of each part is uneven, and finally the sterilization time is prolonged. The crushed waste has uniform size and the sterilization degree is close to that of the crushed waste, so that the sterilization efficiency can be improved after crushing. 5. Saving the whole energy consumption of biological waste treatment and saving the required energy. After the massive waste is crushed, the sterilization uniformity can be improved, so that the overall sterilization time is shortened, and the overall energy consumption for completely sterilizing the waste is further reduced. 6. The crushing system is automatic cutting, reduces personnel intervention, avoids personnel infection risk, controls the opening and closing of the feeding door and the discharging door of the sterilizing bin 21 through the air cylinder, and reduces or even avoids personnel from contacting waste when the system is in operation.

While only the preferred embodiments of the present utility model have been described, it should be noted that modifications and variations can be made by those skilled in the art without departing from the technical principles of the present utility model, and such modifications and variations should also be regarded as being within the scope of the utility model.

Claims

1. A fracturing system of a sterilization and disinfection apparatus, said system comprising: the device comprises a speed reducer (1), a coupler (2), a roller (3), a roller blade assembly (4), an auxiliary fixed knife (5), a fixed knife supporting frame (6) and a filtering and cutting net (7);

the speed reducer (1) is arranged at the left end of the crushing system and comprises a motor connecting end (11), a speed reducing mechanism (12) and a speed reducing output shaft (13);

the coupler (2) is positioned on the right side of the speed reducer (1) and is connected with the speed reducer (1);

the roller (3) is positioned on the right side of the coupler (2) and is connected with the coupler (2);

the main body is arranged in a sterilization bin (21) of the sterilization and disinfection equipment (20), the left shaft part is coaxially connected with the coupler (2) through a front end sealing flange (14), and the right shaft part is rotatably connected with a rear end sealing flange (15).

2. A crushing system of a sterilization and disinfection apparatus according to claim 1, characterized in that the motor connection end (11) is connected with a rotation shaft of an external drive motor and the reduction mechanism (12);

the speed reducing mechanism (12) comprises a speed reducing gear and/or a worm, and the speed reducing mechanism (12) is connected with the speed reducing output shaft (13);

the rotation speed of the external driving motor is 1400rpm; the rotational speed of the roller (3) is 110rpm, and the torque of the roller (3) is more than 600Nm.

3. A crushing system of a sterilization and disinfection apparatus according to claim 1, characterized in that the coupling (2) connects the reduction output shaft (13) and the roller (3) as a buffer device for the reduction gear (1) and the roller (3);

the front end sealing flange (14) and the rear end sealing flange (15) are arranged on the side wall of a sterilization bin (21) of the sterilization and disinfection equipment (20) and used for sealing and isolating the sterilization bin (21) of the sterilization and disinfection equipment (20) from the outside.

4. A crushing system of a sterilization and disinfection apparatus as claimed in claim 1, wherein the surface of the main body is provided with a plurality of teeth in parallel along the axis of the roller (3), each tooth being annular and arranged around the main body, the cross section of the ring being isosceles triangle, the plane of the ring being perpendicular to the axis of the roller (3).

5. A crushing system of a sterilization and disinfection apparatus as claimed in claim 1, wherein said roller blade assembly (4) comprises a number of blades;

the blades are spirally and uniformly distributed on the main body of the roller (3), specifically, 3 rows of blades are spirally arranged on the main body, each 1 row comprises a plurality of blades, and two adjacent blades in each 1 row of blades are respectively arranged on adjacent teeth;

the roller (3) can ensure that 8 to 10 blades are contacted with a cut object at any rotation angle.

6. A crushing system of a sterilization and disinfection apparatus according to claim 1, characterized in that the auxiliary stationary knives (5) are fixed inside a sterilization bin (21) of the sterilization and disinfection apparatus (20), the number of auxiliary stationary knives (5) being 8, arranged around the roller (3);

each auxiliary stationary knife (5) comprises tooth grooves, and is matched with the teeth of the rolling shaft (3) and the blades on the rolling shaft (3) relatively, so that relative movement is generated between the teeth and the blades in the rotating process, and waste is cut, extruded and crushed.

7. A crushing system of a sterilization and disinfection equipment according to claim 1, characterized in that the stationary knife holder (6) is arranged inside a sterilization chamber (21) of the sterilization and disinfection equipment (20) for fixing the auxiliary stationary knife (5) and the filter cutting net (7) and adjusting the relative positions of the auxiliary stationary knife (5) and the filter cutting net (7) and the roller (3).

8. A crushing system of a sterilization and disinfection apparatus according to claim 7, characterized in that the filter-cut net (7) is located directly under the roller (3);

the filter cutting net (7) comprises a sawtooth part and a leak hole.

9. A crushing system for a sterilization and disinfection apparatus according to claim 1, wherein the crushing system for a sterilization and disinfection apparatus further comprises an air cylinder, an air cylinder pushing assembly, a pushing plate assembly;

the air cylinder is positioned at the side of a sterilization bin (21) of the sterilization and disinfection equipment (20);

the cylinder pushing assembly is positioned in a sterilization bin (21) of the sterilization and disinfection equipment (20), one end of the cylinder pushing assembly is connected with a shaft of the cylinder, and the other end of the cylinder pushing assembly is connected with the pushing plate assembly and is used for changing the relative position of the pushing plate assembly so that the pushing plate assembly can generate a trend of extruding waste in the sterilization bin (21);

the pushing plate assembly is positioned in a sterilization bin (21) of the sterilization and disinfection equipment (20) and is used for enabling waste to be in contact with the roller (3) and the roller blade assembly (4).

10. A crushing system of a sterilization and disinfection apparatus according to claim 1, characterized in that the installation clearance of the roller (3) and the auxiliary stationary knife (5) is 4-10 mm;

the installation clearance between the roller blade component (4) and the auxiliary stationary knife (5) is 2mm-4mm;

the installation clearance of the tooth filtering and cutting net (7) of the roller (3) is 4mm-10mm, and the installation clearance of the roller blade component (4) and the filtering and cutting net (7) is 2mm-6mm.