CN220634797U - Solid-waste separation treatment device - Google Patents

Abstract

The utility model discloses a solid waste separation treatment device which comprises a box body, wherein a centrifugal cylinder with an opening at the top is rotatably arranged between the inner wall of the top and the inner wall of the bottom of the box body, a return water collecting tank with the opening at the top is fixedly connected to the bottom of the box body, a plurality of water draining holes communicated with the return water collecting tank are formed in the inner wall of the bottom of the box body, and a solid waste collecting tank is movably contacted with the left side of the box body. The utility model has a series of structures, is convenient for extruding and centrifugally dewatering solid waste, realizes effective and rapid solid-liquid separation treatment on the solid waste, is convenient for rapidly removing shielding and shielding work on the top of the centrifugal cylinder, is convenient for discharging work, is convenient for drying solid waste after dewatering by wind, improves the drying effect on the solid waste, is convenient for automatically lifting and discharging the solid waste after drying and horizontally pushing and intensively collecting the solid waste, improves the automation degree of solid waste removal and collection after dewatering, does not need manual taking out, and is time-saving and labor-saving.

Description

Solid-waste separation treatment device

Technical Field

The utility model relates to the technical field of solid waste treatment, in particular to a solid waste separation treatment device.

Background

Solid waste treatment, the treatment of solid waste in general, generally refers to the process of converting solid waste into materials suitable for transportation, storage, utilization or disposal by physical, chemical, biological, physical and biochemical methods, and is not suitable for daily life or industrial production, and classification treatment of waste is carried out in place, so that solid waste and liquid waste are mixed together, and post-treatment of waste is not facilitated.

Through retrieving, publication number CN212680293U discloses a solid-liquid separation device for environmental protection solid waste treatment, the on-line screen storage device comprises a base, logical groove has been seted up at base side center, logical tank bottom end center installs the motor, logical tank bottom end both sides are provided with the collection box, the through-hole has been seted up to the position of base top just to collection box center, the motor output is connected with the pivot, the lateral wall top rotates and is connected with the bearing, the bearing runs through the base top setting, pivot top center is fixed with the mounting disc, mounting disc top center is fixed with the centrifugation section of thick bamboo, centrifugation section of thick bamboo lateral wall circumference evenly is provided with the leak, base top center is fixed with the protection frame, the base top is fixed with the portal frame, portal frame top center is provided with electric putter, electric putter's inside swing joint has the piston rod, piston rod tip is fixed with the extrusion dish, through setting up the protection frame, the through-hole, the collection box, the portal frame, electric putter, piston rod and extrusion dish, when utilizing the motor to drive the centrifugation section of thick bamboo to rotate and carry out solid-liquid separation to soft solid waste, thereby drive the extrusion dish to move down to carry out the extrusion to a certain extent, make its inside contained by extrusion, under the centrifugal action, get into the protection drain through the frame, through the protection drain through the frame, and get into the collection box through the protection and collect in the through the protection.

The solid-liquid separation device for treating the environmental protection solid waste disclosed in the above patent realizes the extrusion and centrifugal dehydration of the solid waste by arranging a rotatable centrifugal cylinder matched with an extrusion disc, but the device still has some defects:

1. after dehydration, solid waste is accumulated in a centrifugal barrel, and the solid waste is required to be taken out manually and independently, which is time-consuming and labor-consuming; 2. in addition, the drying effect on the solid waste is not ideal simply through a centrifugal extrusion dehydration mode, and in view of the fact, we propose a solid waste separation treatment device for solving the problems.

Disclosure of Invention

The utility model aims to provide a solid waste separation treatment device which is used for solving the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the solid waste separation treatment device comprises a box body, a centrifugal cylinder with an opening at the top is rotatably arranged between the inner wall of the top of the box body and the inner wall of the bottom of the box body, a return water collecting tank with the opening at the top is fixedly connected to the bottom of the box body, a plurality of water outlets communicated with the return water collecting tank are formed in the inner wall of the bottom of the box body, and a solid waste collecting tank is movably contacted with the left side of the box body;

the side wall of the centrifugal cylinder is provided with a plurality of filtering holes, a jacking and feeding dual-purpose assembly is fixedly arranged between two sides of the inside of the return water tank, the jacking and feeding dual-purpose assembly is movably sleeved in the centrifugal cylinder, and the jacking and feeding dual-purpose assembly is used for extruding solid wastes and jacking and discharging the solid wastes after filtering and dewatering;

the bottom of the centrifugal cylinder is fixedly connected with a rotary driving assembly, a driving motor with an output shaft fixedly connected with the rotary driving assembly is fixedly arranged on the right side inside the rectangular water collecting tank, and the rotary driving assembly is used for driving the centrifugal cylinder to rotate so as to centrifugally dehydrate the solid waste;

the top of the centrifugal cylinder is movably contacted with a material blocking and pushing dual-purpose assembly, the material blocking and pushing dual-purpose assembly is fixedly connected with the top of the right side of the box body, and the material blocking and pushing dual-purpose assembly is used for shielding the upper part and automatically pushing, discharging and collecting solid wastes into a solid waste collecting box after the use;

the right side of the box body is embedded and fixed with a hot air drying assembly, and the hot air drying assembly is used for drying solid waste after dehydration.

Preferably, the jacking and feeding dual-purpose assembly comprises a supporting rod fixedly connected between two sides of the inside of the square water collecting tank, a first multi-stage electric push rod is fixedly connected to the top of the supporting rod, the extending end of the first multi-stage electric push rod movably extends into the centrifugal cylinder and is rotatably provided with a jacking seat, and the jacking seat is movably sleeved in the centrifugal cylinder; the supporting rod, the first multi-stage electric push rod and the jacking seat are matched, and when the first multi-stage electric push rod is started in the forward direction to drive the jacking seat to move upwards, the jacking seat can be utilized to extrude and dewater solid waste, and the solid waste is jacked and pushed out in a state that the upper part of the jacking seat is not shielded after the jacking seat is used.

Preferably, the rotary driving assembly comprises an outer gear ring fixedly connected to the bottom of the centrifugal cylinder, the first multi-stage electric push rod is positioned in the outer gear ring and is not contacted with the inner wall of the outer gear ring, a gear is meshed on the right side of the outer gear ring, and the bottom of the gear is fixedly connected with the top end of an output shaft of the driving motor; the outer gear ring is matched with the gear, and when the driving motor starts the driving gear to rotate, the gear drives the centrifugal barrel to rotate through the outer gear ring, so that centrifugal dehydration of solid waste is realized.

Preferably, the material blocking and pushing dual-purpose assembly comprises an L-shaped push plate movably contacted with the top of the box body, a circular groove is formed in the bottom of the L-shaped push plate, a disc is rotatably connected to the inner wall of the top of the circular groove, the bottom of the disc is movably contacted with the top of the centrifugal barrel, an L-shaped support is fixedly connected to the right top of the box body, a second multi-stage electric push rod is fixedly mounted on the right inner wall of the L-shaped support, and the extending end of the second multi-stage electric push rod is fixedly connected with the left inner wall of the L-shaped push plate; the L-shaped push plate, the circular groove, the disc, the multistage electric putter of second and L shape support cooperation that set up utilize the disc to realize the top shutoff to centrifugal cylinder, when need removing the shutoff and carry out blowing and arrange the material, reverse start the multistage electric putter of second makes it drive L-shaped push plate displacement to the right, L-shaped push plate drives the disc and removes the shutoff to centrifugal cylinder to the right, when solid waste upwards shifts out the back and needs pushing away the material and arrange the material, forward start the multistage electric putter of second makes it drive L-shaped push plate left movement, realize to solid waste promote left and drop and collect in the solid waste collection box, realize automatic discharge aggregate.

Preferably, the hot air drying assembly comprises a hot air blower embedded and fixed on the right side of the box body, wherein the left side of the hot air blower is an air outlet end which extends into the box body and is fixedly communicated with a vertical pipe, the top end and the bottom end of the vertical pipe are both provided with plugging structures, and the left side of the vertical pipe is communicated with and fixedly provided with a plurality of air blowing nozzles; the hot air blower, the vertical pipes and the blowing nozzles are matched, after dehydration, the hot air blower is started to supply hot air into the vertical pipes, and the hot air is blown out leftwards through the blowing nozzles to dry solid waste in the centrifugal cylinder.

Preferably, the bottom four corners of return shape water catch tank all fixedly connected with stabilizer blade, the venthole has been seted up on the top right side of box, and the right side bottom intercommunication of return shape water catch tank is fixed with the drain valve.

Preferably, the inner walls of the top and the bottom of the box body are provided with rotating holes, a sealing bearing is fixedly sleeved in the rotating holes, an inner ring of the sealing bearing is fixedly sleeved on the outer side of the centrifugal barrel, and the top of the centrifugal barrel is flush with the top of the box body.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the solid waste separation treatment device, the shielding and shielding work on the top of the centrifugal cylinder can be rapidly and automatically released through the matching of the arranged material blocking and pushing dual-purpose assembly and the centrifugal cylinder, and the solid material can be conveniently discharged;

2. according to the solid waste separation treatment device, the centrifugal barrel, the driving motor, the rotary driving assembly and the jacking and feeding dual-purpose assembly are matched, so that the centrifugal barrel can be driven to rotate and solid waste in the centrifugal barrel is extruded upwards, the solid waste is extruded and centrifugally dewatered, and under the combination of the centrifugal barrel and the driving motor, the solid waste is effectively and rapidly subjected to solid-liquid separation treatment;

3. according to the solid waste separation treatment device, through the hot air drying assembly, the solid waste can be dried by hot air after dehydration, so that the drying effect on the solid waste is improved;

4. this solid useless separation processing apparatus, through the fender material pushing double-purpose subassembly that sets up and roof pressure material feeding double-purpose subassembly cooperation, can be after removing the shielding with solid useless ascending jacking discharge to automatic transversely push up and collect in the solid useless collecting box, improve the solid useless degree of automation of removing the collection after the dehydration.

According to the utility model, through the centrifugal barrel, the driving motor, the rotary driving assembly and the jacking material feeding dual-purpose assembly, solid waste is conveniently extruded and centrifugally dewatered, effective and rapid solid waste solid-liquid separation treatment is realized, and the shielding and shielding work on the top of the centrifugal barrel and the hot air drying assembly are combined, so that the centrifugal barrel is conveniently and rapidly released, the discharging work is convenient, the drying effect on the solid waste after dewatering is conveniently improved, the solid waste is conveniently and automatically ejected and transversely pushed for centralized collection after drying, the automation degree of solid waste removal and collection after dewatering is improved, manual extraction is not needed, and time and labor are saved.

Drawings

FIG. 1 is a schematic overall perspective view of the present utility model;

FIG. 2 is a schematic view of a front cross-sectional structure of the present utility model;

fig. 3 is an enlarged schematic view of the portion a in fig. 2 according to the present utility model.

In the figure: 1. a return-shaped water collecting tank; 2. a case; 3. a solid waste collection box; 4. a centrifugal barrel; 5. filtering holes; 6. a first multi-stage electric putter; 7. a jacking seat; 8. an outer ring gear; 9. a gear; 10. a driving motor; 11. a second multi-stage electric push rod; 12. an L-shaped push plate; 13. a circular groove; 14. a disc; 15. an air heater; 16. a standpipe; 17. and a water outlet.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1 to 3, the solid waste separation treatment device provided in this embodiment includes a box body 2, a centrifugal cylinder 4 with an opening at the top is rotatably installed between the top inner wall and the bottom inner wall of the box body 2, wherein the top inner wall and the bottom inner wall of the box body 2 are both provided with rotating holes, a sealing bearing is fixedly sleeved in the rotating holes, an inner ring of the sealing bearing is fixedly sleeved with the outer side of the centrifugal cylinder 4, the top of the centrifugal cylinder 4 is flush with the top of the box body 2, the effect of rotatably installing the centrifugal cylinder 4 is achieved, a circular water collecting tank 1 with an opening at the top is fixedly connected to the bottom of the box body 2, a plurality of drain holes 17 communicated with the circular water collecting tank 1 are formed in the bottom inner wall of the box body 2, the left side of the box body 2 is movably contacted with the solid waste collecting tank 3, four corners at the bottom of the circular water collecting tank 1 are fixedly connected with supporting legs, an air outlet is formed in the right side of the top of the box body 2, and a drain valve is fixedly communicated and fixed at the right side bottom of the circular water collecting tank 1;

the side wall of the centrifugal cylinder 4 is provided with a plurality of filtering holes 5, a jacking and feeding dual-purpose assembly is fixedly arranged between two sides of the inside of the square water collecting tank 1, the jacking and feeding dual-purpose assembly is movably sleeved in the centrifugal cylinder 4, and the jacking and feeding dual-purpose assembly is used for extruding solid waste and jacking and discharging the solid waste after filtering and dewatering; the jacking and feeding dual-purpose assembly comprises a supporting rod fixedly connected between two sides of the inside of a return water tank 1, a first multi-stage electric push rod 6 is fixedly connected to the top of the supporting rod, the extending end of the first multi-stage electric push rod 6 movably extends into a centrifugal cylinder 4 and is rotatably provided with a jacking seat 7, a first bearing is fixedly connected to the bottom of the jacking seat 7, the inner ring of the first bearing is fixedly sleeved with the outer side of the extending end of the first multi-stage electric push rod 6, the jacking seat 7 is rotatably connected with the extending end of the first multi-stage electric push rod 6 through the first bearing, the effect of rotatably mounting the jacking seat 7 is achieved, the jacking seat 7 is movably sleeved in the centrifugal cylinder 4, the outer side of the jacking seat 7 is in contact with the inner side wall of the centrifugal cylinder 4 by friction force, a movable through hole is formed in the inner wall of the bottom of the centrifugal cylinder 4, and the extending end of the first multi-stage electric push rod 6 is positioned in the movable through hole and is not in contact with the inner wall of the movable through hole, and the extending end of the first multi-stage electric push rod 6 is movably penetrated; the supporting rod, the first multi-stage electric push rod 6 and the jacking seat 7 are matched, and when the first multi-stage electric push rod 6 is started in the forward direction to drive the jacking seat 7 to move upwards, the jacking seat 7 can be utilized to squeeze and dewater solid waste, and the solid waste can be jacked and pushed out in a state that the upper part is not shielded after the solid waste is used;

the bottom of the centrifugal cylinder 4 is fixedly connected with a rotary driving assembly, a driving motor 10 with an output shaft fixedly connected with the rotary driving assembly is fixedly arranged on the right side inside the square water collecting tank 1, and the rotary driving assembly is used for driving the centrifugal cylinder 4 to rotate so as to centrifugally dehydrate solid wastes; the rotary driving assembly comprises an outer gear ring 8 fixedly connected to the bottom of the centrifugal barrel 4, the first multistage electric push rod 6 is positioned in the outer gear ring 8 and is not contacted with the inner wall of the outer gear ring 8, a gear 9 is meshed with the right side of the outer gear ring 8, and the bottom of the gear 9 is fixedly connected with the top end of an output shaft of the driving motor 10; the outer gear ring 8 is matched with the gear 9, and when the driving motor 10 starts the driving gear 9 to rotate, the gear 9 drives the centrifugal barrel 4 to rotate through the outer gear ring 8, so that centrifugal dehydration of solid wastes is realized;

the top of the centrifugal cylinder 4 is movably contacted with a material blocking and pushing dual-purpose assembly which is fixedly connected with the right top of the box body 2 and is used for shielding the upper part and automatically pushing, discharging and collecting solid waste into the solid waste collecting box 3 after use; the material blocking and pushing dual-purpose assembly comprises an L-shaped push plate 12 movably contacted with the top of a box body 2, a circular groove 13 is formed in the bottom of the L-shaped push plate 12, a disc 14 is rotatably connected to the inner wall of the top of the circular groove 13, a circular through hole is formed in the inner wall of the top of the circular groove 13, a second bearing is fixedly sleeved in the circular through hole, a pin shaft is fixedly sleeved in an inner ring of the second bearing, the bottom end of the pin shaft is fixedly connected with the center of the top of the disc 14, the disc 14 is rotatably connected with the inner wall of the top of the circular groove 13 through the pin shaft and the second bearing, the bottom of the disc 14 is movably contacted with the top of a centrifugal cylinder 4, an L-shaped support is fixedly connected to the top of the right side of the box body 2, a second multi-stage electric push rod 11 is fixedly mounted on the inner wall of the right side of the L-shaped support, and the extending end of the second multi-stage electric push rod 11 is fixedly connected with the inner wall of the left side of the L-shaped push plate 12; the L-shaped push plate 12, the circular groove 13, the disc 14, the second multi-stage electric push rod 11 and the L-shaped support are matched, the disc 14 is utilized to realize the top blocking of the centrifugal cylinder 4, when the blocking needs to be removed for discharging, the second multi-stage electric push rod 11 is reversely started to drive the L-shaped push plate 12 to move rightwards, the L-shaped push plate 12 drives the disc 14 to remove the blocking of the centrifugal cylinder 4 rightwards, when the solid waste is required to be pushed and discharged after being upwards removed, the second multi-stage electric push rod 11 is positively started to drive the L-shaped push plate 12 to move leftwards, the solid waste is pushed leftwards to drop and be collected in the solid waste collecting box 3, and automatic discharging and collecting are realized;

the right side of the box body 2 is embedded and fixed with a hot air drying component which is used for drying the solid waste after dehydration; the hot air drying assembly comprises an air heater 15 which is embedded and fixed on the right side of the box body 2, wherein an embedded hole which is fixedly connected with the left side of the outer side of the air heater 15 is formed in the right side of the box body 2, the left side of the air heater 15 is an air outlet end which extends into the box body 2 and is communicated and fixed with a vertical pipe 16, the top end and the bottom end of the vertical pipe 16 are both provided with plugging structures, and the left side of the vertical pipe 16 is communicated and fixed with a plurality of air blowing nozzles; the hot air blower 15, the vertical pipe 16 and the blowing nozzles are matched, after dehydration, the hot air blower 15 is started to supply hot air into the vertical pipe 16, and the hot air is blown out leftwards through the blowing nozzles to dry solid waste in the centrifugal cylinder 4.

The application method of the embodiment is as follows: when solid waste is placed, the second multi-stage electric push rod 11 is reversely started to drive the L-shaped push plate 12 to move rightwards, the L-shaped push plate 12 drives the disc 14 to remove the blocking of the top of the centrifugal barrel 4 rightwards, at the moment, the solid waste can be poured into the centrifugal barrel 4, then the second multi-stage electric push rod 11 is positively started to drive the L-shaped push plate 12 to move leftwards, the L-shaped push plate 12 drives the disc 14 to block the top of the centrifugal barrel 4, at the moment, the driving motor 10 is started to drive the gear 9 to rotate, the gear 9 drives the centrifugal barrel 4 to rotate through the outer gear ring 8 meshed with the gear 9, the centrifugal barrel 4 rubs to drive the jacking seat 7 to rotate, meanwhile, the centrifugal barrel 4 rotates and centrifugally dewaters the solid waste, water is discharged downwards through the water outlet 17 and is collected into the return water collecting tank 1, wherein during centrifugal dewatering, the first multi-stage electric push rod 6 is positively started to drive the jacking seat 7 to move upwards, and the solid waste is squeezed and dewatered under the cooperation of the squeezing dewatering and centrifugal dewatering, so that the solid waste can be effectively and quickly separated;

after dehydration is completed, the air heater 15 is started, the air heater 15 supplies hot air into the vertical pipe 16, the hot air blows out solid waste in the centrifugal barrel 4 leftwards through a plurality of blowing nozzles to dry, the effect of quick drying after dehydration is achieved, the drying effect of solid waste is improved, after drying, the second multi-stage electric push rod 11 is reversely started again to drive the L-shaped push plate 12 to displace rightwards, the blocking of the top of the centrifugal barrel 4 is relieved again, the first multi-stage electric push rod 6 is started again to drive the jacking seat 7 to move upwards at the moment, the jacking seat 7 drives the solid waste to move upwards out of the centrifugal barrel 4, the second multi-stage electric push rod 11 is started forward at the moment to drive the L-shaped push plate 12 to move leftwards for a long distance, the L-shaped push plate 12 automatically pushes the solid waste into the solid waste collecting box 3 leftwards, the effect of automatic discharging and horizontally pushing and collecting the solid waste after dehydration is achieved, the automation degree of solid waste removal and collecting after dehydration is improved, and time and labor are saved.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (7)

1. The utility model provides a solid useless separation processing apparatus, includes box (2), its characterized in that: a centrifugal cylinder (4) with an opening at the top is rotatably arranged between the inner wall of the top of the box body (2) and the inner wall of the bottom, a return water collecting tank (1) with an opening at the top is fixedly connected to the bottom of the box body (2), a plurality of water outlet holes (17) communicated with the return water collecting tank (1) are formed in the inner wall of the bottom of the box body (2), and a solid waste collecting tank (3) is movably contacted with the left side of the box body (2);

a plurality of filtering holes (5) are formed in the side wall of the centrifugal barrel (4), a jacking and feeding dual-purpose assembly is fixedly arranged between two sides of the inside of the square water collecting tank (1), and the jacking and feeding dual-purpose assembly is movably sleeved in the centrifugal barrel (4);

the bottom of the centrifugal cylinder (4) is fixedly connected with a rotary driving assembly, and the right side of the interior of the rectangular water collecting tank (1) is fixedly provided with a driving motor (10) with an output shaft fixedly connected with the rotary driving assembly;

the top of the centrifugal cylinder (4) is movably contacted with a material blocking and pushing dual-purpose assembly, and the material blocking and pushing dual-purpose assembly is fixedly connected with the right top of the box body (2);

the right side of the box body (2) is embedded and fixed with a hot air drying component.

2. The solid waste separation treatment device according to claim 1, wherein: the jacking and feeding dual-purpose assembly comprises a supporting rod fixedly connected between two sides of the inside of the return water tank (1), a first multi-stage electric push rod (6) is fixedly connected to the top of the supporting rod, the extending end of the first multi-stage electric push rod (6) movably extends into the centrifugal barrel (4), a jacking seat (7) is rotatably installed in the centrifugal barrel (4), and the jacking seat (7) is movably sleeved in the centrifugal barrel (4).

3. The solid waste separation treatment device according to claim 2, wherein: the rotary driving assembly comprises an outer gear ring (8) fixedly connected to the bottom of the centrifugal barrel (4), the first multistage electric push rod (6) is located in the outer gear ring (8) and is not in contact with the inner wall of the outer gear ring (8), a gear (9) is meshed on the right side of the outer gear ring (8), and the bottom of the gear (9) is fixedly connected with the top end of an output shaft of the driving motor (10).

4. A solid waste separation treatment device according to claim 3, characterized in that: keep off material pushing away material double-purpose subassembly include with box (2) top movable contact's L shape push pedal (12), circular slot (13) have been seted up to the bottom of L shape push pedal (12), rotate on the top inner wall of circular slot (13) and be connected with disc (14), the bottom of disc (14) and the top movable contact of centrifugal tube (4), the right side top fixedly connected with L shape support of box (2), fixedly mounted has multistage electric putter (11) of second on the right side inner wall of L shape support, the extension end of multistage electric putter (11) and the left side inner wall fixed connection of L shape push pedal (12).

5. The solid waste separation treatment device according to claim 4, wherein: the hot air drying assembly comprises an air heater (15) which is embedded and fixed on the right side of the box body (2), wherein the left side of the air heater (15) extends into the box body (2) for an air outlet end and is fixedly communicated with a vertical pipe (16), the top end and the bottom end of the vertical pipe (16) are both provided with plugging structures, and the left side of the vertical pipe (16) is communicated with and fixedly provided with a plurality of air blowing nozzles.

6. The solid waste separation treatment device according to claim 1, wherein: the bottom four corners of return shape header tank (1) all fixedly connected with stabilizer blade, the venthole has been seted up on the top right side of box (2), and the right side bottom intercommunication of return shape header tank (1) is fixed with the drain valve.

7. The solid waste separation treatment device according to claim 1, wherein: the inner wall of the top of the box body (2) and the inner wall of the bottom are provided with rotating holes, sealing bearings are fixedly sleeved in the rotating holes, the inner rings of the sealing bearings are fixedly sleeved on the outer sides of the centrifugal cylinders (4), and the tops of the centrifugal cylinders (4) are flush with the top of the box body (2).