CN114074109A

CN114074109A - Hazardous waste treatment system and hazardous waste treatment process

Info

Publication number: CN114074109A
Application number: CN202111278406.2A
Authority: CN
Inventors: 欧阳洁; 刑方
Original assignee: Shenzhen Zhongke Environmental Protection Industry Development Co ltd
Current assignee: Shenzhen Zhongke Environmental Protection Industry Development Co ltd
Priority date: 2021-10-30
Filing date: 2021-10-30
Publication date: 2022-02-22

Abstract

The application discloses hazardous waste processing system and useless processing technology of danger, it includes: a crushing device mounted on the frame for crushing the solid waste; the first conveying device is arranged on the rack and used for conveying the waste to the crushing device; a collecting tank which is arranged on the frame and is positioned at the bottom of the crushing device and is provided with meshes at the bottom; the collecting device is arranged on the frame and positioned at the bottom of the collecting tank to collect liquid; the pushing device is arranged on one side, close to the first conveying device, of the rack and used for pushing the waste on the sieve plate; and the second conveying device is arranged on the machine frame and is used for conveying the wastes in the collecting tank into the combustion furnace. When the application is used, dangerous waste can be effectively crushed, residual liquid is separated, and the combustion effect of the waste is improved.

Description

Hazardous waste treatment system and hazardous waste treatment process

Technical Field

The invention relates to the field of hazardous waste treatment, in particular to a hazardous waste treatment system and a hazardous waste treatment process.

Background

In daily life, various dangerous wastes are generally seen, and the kinds of the dangerous wastes are more, most of the dangerous wastes are solid, liquid and solid-liquid mixture, and the traditional modes for treating the dangerous wastes are a landfill method, a composting method and a landfill method.

At present, when the hazardous wastes (such as medical wastes and the like) are treated, in consideration of the fact that the landfill method has large pollution to soil and water quality, the conventional incineration method generally has a large amount of pollution, the conventional incineration process is also simple, and only workers need to put the wastes to be incinerated into an incinerator through a bucket for combustion.

In view of the above, the inventors of the present invention have considered that the hazardous waste generally contains waste in which liquid remains, such as plastic bottles or infusion tubes containing liquid, and that the remaining liquid affects not only the incineration effect but also the surrounding environment after flowing out of the combustion furnace when incinerating the waste, and thus need to be improved.

Disclosure of Invention

An object of this application is to provide a hazardous waste processing system and useless processing technology of danger can carry out effectual smashing to hazardous waste, separates out remaining liquid, improves the combustion effect of these discarded objects.

The application provides a hazardous waste processing system adopts following technical scheme:

a hazardous waste treatment system comprising: a crushing device mounted on the frame for crushing the solid waste; the first conveying device is arranged on the rack and used for conveying the waste to the crushing device; a collecting tank which is arranged on the frame and is positioned at the bottom of the crushing device and is provided with meshes at the bottom; the collecting device is arranged on the frame and positioned at the bottom of the collecting tank to collect liquid; the pushing device is arranged on one side, close to the first conveying device, of the rack and used for pushing the waste on the sieve plate; and the second conveying device is arranged on the machine frame and is used for conveying the wastes in the collecting tank into the combustion furnace.

Through adopting above-mentioned technical scheme, the first conveyor that sets up, can replace the manual work to carry the discarded object in the breaker, breaker is when opening, can carry the discarded object of coming to the transport and break, make the great discarded object of volume broken, make things convenient for follow-up burning, and simultaneously, can also release remaining liquid in the discarded object, through the collection device who sets up, can collect the liquid that releases, when opening pusher, can be with detaching on the discarded object propelling movement to the second conveyor of remaining liquid, thereby can reduce the influence of liquid to the burning furnace, improve the effect of burning furnace to the discarded object.

The present application further provides that the crushing device comprises: the crushing hopper is arranged on the frame, and the bottom of the crushing hopper is provided with a blanking port; the rotating rods are horizontally arranged in the crushing hopper and are symmetrical; a crushing blade mounted on the outer side of the rotating rod; and the driving piece is arranged on the outer wall of the crushing bucket and used for driving the rotating rod to rotate.

Through adopting above-mentioned technical scheme, when the discarded object was carried to breaker in, the driving piece of setting can drive the bull stick and rotate, and the bull stick can drive broken blade and carry out the breakage to the discarded object when rotatory, and this easy operation is high-efficient.

The feeding device is further provided with a material guide plate which is arranged at the top of the crushing hopper and close to one side of the output end of the first conveying device, the bottom of the material guide plate is rotatably connected with a rotating plate, and an adjusting assembly used for adjusting the rotating angle of the rotating plate is arranged at the top of the crushing hopper.

Through adopting above-mentioned technical scheme, at the in-process that first conveyor carried the discarded object, the stock guide of setting can lead the discarded object for the more even landing of discarded object is to between the broken blade, and the adjusting part who sets up can carry out the regulation of angle to the stock guide, further increases the scope that the discarded object dropped.

The present application further provides that the adjustment assembly comprises: the cylinder is obliquely arranged on the edge of the top of the crushing hopper; and the sliding block is connected to one side, close to the air cylinder, of the rotating plate in a sliding mode, and the top end of a piston rod of the air cylinder is connected to the sliding block in a rotating mode.

Through adopting above-mentioned technical scheme, when opening the cylinder, can drive the slider and slide on changeing the board, the slider is at the slip in-process, and the drive that can be very convenient changes the board and rotates to reach the purpose of adjusting commentaries on classics board angle.

The application is further provided with that the bearing surface of the rotating plate is connected with an extending plate in a sliding way, and the rotating plate is also provided with a driving component for driving the extending plate to slide along the preset direction.

Through adopting above-mentioned technical scheme, the drive assembly of setting can drive the extension board and slide along the loading face of changeing the board for the discarded object can be sent to farther position, further improves the application scope who changes the board.

The application is further provided with a sieve plate horizontally connected between the inner walls of the collecting tanks in a sliding way; the collecting tank is provided with a reciprocating assembly which drives the sieve plate to do reciprocating motion.

Through adopting above-mentioned technical scheme, accomplish broken back at breaker to the discarded object, the reciprocal subassembly that sets up can drive the sieve and do reciprocating motion when opening to can be quick shake off remaining liquid in the discarded object to collection device in, further improve subsequent furnace body and burn the effect.

The application further provides that the pushing device comprises: a mounting plate mounted on the frame; a vertical plate vertically mounted on the mounting plate; the pushing piece is connected to the vertical plate in a sliding mode, and the output end of the pushing piece extends horizontally; and install the lift piece that is used for driving propelling movement piece to go up and down on the mounting panel, the bar opening that supplies the propelling movement piece output to pass is seted up along vertical direction in the outside of collecting vat, the push pedal is installed to the output of propelling movement piece.

Through adopting above-mentioned technical scheme, the propelling movement spare that sets up can be to the very easy propelling movement that carries on of discarded object on the sieve when opening, and the lift piece that sets up can drive whole propelling movement spare and go up and down for the push pedal is when reseing, is unlikely to bring the discarded object back to the normal position again, has further improved the effect of propelling movement discarded object.

The collecting vat is kept away from one side of propelling movement spare and has been seted up the bin outlet, install the installation section of thick bamboo in the frame, install the inner tube in the installation section of thick bamboo, the inner tube outer wall gathers there is the wash port, install the rotatory power component of drive inner tube on the installation section of thick bamboo, the bottom of installation section of thick bamboo is provided with and is used for sheltering from the subassembly that shelters from inner tube bottom open-ended, the bin outlet is connected with the conveying pipeline, the one end that the bin outlet was kept away from to the conveying pipeline extends to the top of inner tube, second conveyor's feed end is located the bottom of inner tube, just installation section of thick bamboo bottom inner wall ring is equipped with the ring channel that is used for collecting waste water, the ring channel is linked together through drain pipe and collection device.

Through adopting above-mentioned technical scheme, when the discarded object after the conveying pipeline will be broken is carried to the inner tube in, can open power component and drive the inner tube rotatory, the inner tube is when rotatory, can spin-dry the dewatering work to the discarded object, further reduces attaching water volume of discarded object, and the ring channel that sets up can be collected waste water, arranges to collection device in through the drain pipe in, this structural design is ingenious, has very big market prospect.

The application further provides that the shutter assembly comprises: a horizontal driving member mounted on the frame; and the shielding plate is arranged at the output end of the horizontal driving piece, and the sealing layer is arranged on the bearing surface of the shielding plate.

By adopting the technical scheme, after the waste in the inner barrel is dried, the driving piece can be opened to drive the baffle plate to translate so as to remove the sealing of the opening at the bottom of the inner barrel, and the waste in the inner barrel can conveniently fall into the second conveying device.

The present application also provides a hazardous waste treatment process, comprising:

the method comprises the following steps: conveying the solid waste into a crushing hopper by using a first conveying device, and starting a driving piece to crush the waste in the crushing hopper;

step two: opening the reciprocating assembly to drive the sieve plate to screen the crushed waste, and then opening the pushing device to push the waste into the inner cylinder from the discharge port;

step three: the power assembly is started to drive the inner barrel to rotate, and after the waste in the inner barrel is dried, the shielding assembly is started to remove shielding of the inner barrel;

step four: and opening the second conveying device, and conveying the dried waste into the furnace body for incineration.

In summary, the present application includes at least one of the following beneficial technical effects:

through the arrangement of the crushing device, the waste can be crushed firstly, so that residual liquid in the waste flows out, and the sieve plate and the reciprocating assembly are matched with each other, so that the waste on the sieve plate can be sieved and shaken, and the liquid can conveniently and quickly fall into the collecting device, so that the attached water quantity before the waste enters the furnace body can be reduced, and the burning effect of the combustion furnace is improved;

through the inner tube that sets up and the rotatory power component of drive inner tube, power component can drive the discarded object in the inner tube and rotate, can further spin-dry the processing to the waste water of adhesion on the discarded object, further reduce the volume of attaching water of discarded object, be favorable to the effective burning of discarded object in the combustion furnace, simultaneously, the waste water of collection can also reduce the influence to the surrounding environment.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is a schematic structural diagram of a crushing device, a pushing device and a collecting device in the embodiment of the application;

figure 3 is a schematic view of the position of the push plate in an embodiment of the present application.

Description of reference numerals: 1. a frame; 10. a combustion furnace; 2. collecting tank; 20. a discharge outlet; 21. a sieve plate; 22. a collection tank; 23. a servo motor; 24. a cam; 3. a crushing hopper; 31. a rotating rod; 32. crushing the blade; 33. a slide plate; 4. a material guide plate; 41. rotating the plate; 42. a cylinder; 43. an extension plate; 5. mounting a plate; 51. a vertical plate; 52. a pushing member; 53. pushing the plate; 54. a second cylinder; 6. mounting the cylinder; 61. an inner barrel; 62. a delivery pipeline; 63. an annular groove; 64. a drain pipe; 7. a shielding plate; 8. a mounting frame; 81. and a connecting frame.

Detailed Description

The present application is described in further detail below with reference to the attached drawings.

The embodiment of the application discloses a hazardous waste treatment system, as shown in fig. 1 and 2, includes: frame 1 installs breaker in frame 1, and breaker is used for broken solid waste, simultaneously, still installs first conveyor in frame 1, and first conveyor can replace artifical automatic will treat that broken discarded object carries to the breaker in and carries out the breakage.

In this embodiment, the crushing device includes: install broken 3 of fighting in frame 1, the open-top of broken 3 of fighting is the rectangle setting, installs two bull sticks 31 that are parallel to each other between the inner wall of broken 3 of fighting, installs a plurality of crushing blades 32 in the outside of bull stick 31, simultaneously, installs the driving piece on the outer wall of broken 3 of fighting, and the output of driving piece is fixed mutually with one of them end of bull stick 31.

In order to effectively adjust the distance between the two rotating rods 31 according to actual conditions, in the embodiment, a horizontal sliding opening through which the end of the rotating rod 31 penetrates is formed in the outer wall of the crushing bucket 3, a sliding plate 33 is horizontally and slidably connected to the outer wall of the crushing bucket 3, a driving piece is installed on the sliding plate 33, in addition, a limit ring is further in threaded connection with one end of the rotating rod 31, which is far away from the sliding plate 33, the limit ring can reduce the sliding condition of the rotating rod 31 along the extending direction of the rotating rod 31, in order to fix the sliding plate 33 when the distance between the two rotating rods 31 is adjusted, the cross section of the sliding plate 33 of the embodiment is integrally L-shaped, and the sliding plate 33 is connected with the crushing bucket 3 through a bolt.

In addition, in order to effectively guide the waste conveyed by the first conveying device to the crushing hopper 3 uniformly, a material guide plate 4 is installed at the top of the crushing hopper 3 and on one side close to the output end of the first conveying device, wherein a rotating plate 41 is rotatably connected to the bottom of the material guide plate 4, a sliding block is slidably connected to one side of the rotating plate 41 close to the first conveying device, an air cylinder 42 is further obliquely installed on the edge of the top of the crushing hopper 3, and the top end of a piston rod of the air cylinder 42 is rotatably connected to the sliding block.

When the cylinder 42 is opened, the rotating plate 41 can be driven to rotate around the rotating point, so that the waste dropped on the rotating plate 41 can slide down to the crushing hopper 3 along the inclined rotating plate 41 uniformly, the crushing effect of the waste is improved, in addition, an extending plate 43 is further connected to the bearing surface of the rotating plate 41 in a sliding manner, a driving component for driving the extending plate 43 to slide along the preset direction is further installed on the rotating plate 41, the driving component of the embodiment can be a hydraulic cylinder or an oil hydraulic cylinder, the diversion distance of the waste can be adjusted easily by opening the driving component, and the better guiding effect is achieved.

After breaker carries out the breakage to the discarded object, in order to collect the liquid that the breakage was come out, in this embodiment, bottom position that is located broken 3 of fighting in frame 1 installs collecting vat 2, the top of collecting vat 2 is the uncovered setting of rectangle, the mesh that a plurality of drainage were used is seted up to the bottom at collecting vat 2, install collection device in the bottom of frame 1, collection device is located collecting vat 2's bottom position, the collection device of this embodiment includes collecting pit 22, collecting pit 22 passes through the pipeline and is connected with sewage treatment plant, treat that collecting pit 22 collects when having sewage, can open the switch, directly arrange sewage to sewage treatment plant and handle, this easy operation is high-efficient, can effectual reduction sewage is to the influence of all ring edge borders.

Wherein, it is provided with sieve 21 to go back horizontal slip in collecting vat 2, sieve 21 slides along collecting vat 2's width direction, and install reset spring in collecting vat 2's length direction one side, reset spring one end and 2 inner wall connections in collecting vat, the other end is fixed on sieve 21's edge, and install servo motor 23 in collecting vat 2's one side of keeping away from reset spring, cam 24 is installed to servo motor 23's output shaft, the protruding pole in the collecting vat 2 outside is worn out in the activity is installed to one side of keeping away from reset spring at sieve 21, the outer tip and the cam 24 of protruding pole are inconsistent.

When piling up on sieve 21 and having the discarded object, can open servo motor 23 and drive cam 24 rotatory, cam 24 can drive the nose bar at rotatory in-process and drive sieve 21 and slide, and the reset spring who sets up mutually supports with servo motor 23 together, can drive sieve 21 and do reciprocating motion to can be very convenient sieve the discarded object and tremble, can be quick with the sewage of adhesion shake to the collecting pit 22 in.

Furthermore, as shown in fig. 2 and 3, a pushing device is installed on one side of the frame 1 close to the first conveying device, and the pushing device is used for pushing the waste on the screen plate 21, and comprises: install mounting panel 5 in frame 1, install riser 51 on mounting panel 5, there is propelling movement 52 along vertical direction sliding connection on riser 51, propelling movement 52 can be first cylinder, the piston rod level of first cylinder sets up, the bar opening has been seted up along vertical direction in the outside that collecting vat 2 is close to first cylinder, make the piston rod of first cylinder can pass in the bar opening gets into collecting vat 2, wherein, push pedal 53 is still installed on the piston rod top of first cylinder, push pedal 53's extending direction is unanimous with the width direction of collecting vat 2, still install second cylinder 54 on mounting panel 5, the piston rod top bronze drum connecting rod of second cylinder 54 is fixed mutually with the outside of first cylinder.

When opening first cylinder, can drive push pedal 53 horizontal migration, treat that push pedal 53 removes to predetermined position, can recycle second cylinder 54 drive push pedal 53 and wholly rise, then recycle first cylinder and reset push pedal 53, through this design, can reduce push pedal 53 and scrape the discarded object backward to the collecting vat 2 near one side of first conveyor when reseing.

Wherein, the bin outlet 20 has been seted up to one side of keeping away from push member 52 at collecting vat 2, install installation section of thick bamboo 6 on frame 1, install inner tube 61 in installation section of thick bamboo 6, the outer wall of inner tube 61 gathers there is the wash port, and then be provided with the power component that can drive inner tube 61 rotatory at the top of installation section of thick bamboo 6, be provided with in the bottom of installation section of thick bamboo 6 and shelter from the subassembly, it is used for sheltering from the opening of inner tube 61 bottom to shelter from the subassembly, in addition, install defeated material pipeline 62 at the outer wall of collecting vat 2, defeated material pipeline 62's one end is connected with bin outlet 20, the other end extends to the top of inner tube 61.

When pushing member 52 pushed the waste out from bin outlet 20, the waste can be along conveying pipeline 62 landing to the inner tube 61 in, it should be said that, the bottom edge of installation section of thick bamboo 6 is in same height with the bottom edge of inner tube 61, make to shelter from the subassembly and can be fine sealed to inner tube 61, when treating the waste landing to the inner tube 61 in, can open power component and drive inner tube 61 rotatory, inner tube 61 is when rotatory, can spin-dry the processing to the waste in the inner tube 61, make the quick detach of the water droplet of adhesion on the waste, in order to improve subsequent effect of burning.

In order to effectively collect the sewage thrown away by the inner cylinder 61, an annular groove 63 is annularly arranged on the inner wall of the bottom of the mounting cylinder 6, the annular groove 63 can collect the sewage thrown away by the inner cylinder 61, meanwhile, a drain pipe 64 is further mounted on the outer side of the mounting cylinder 6, and one end, far away from the mounting cylinder 6, of the drain pipe 64 is connected to the collecting tank 22, so that the sewage collected in the annular groove 63 can be directly guided to the collecting tank 22 through the drain pipe 64.

The power component of this embodiment is including installing the mounting bracket 8 at the top of installation section of thick bamboo 6, installs the motor on mounting bracket 8, and the output shaft of motor is vertical downwards, is fixed with link 81 on the output shaft of motor, and link 81 is fixed mutually with the inner wall of inner tube 61, and it is required to explain that link 81 and mounting bracket 8 can not influence in all not influencing conveying pipeline 62 and carry the discarded object to inner tube 61.

Wherein, sheltering from the subassembly and including: install horizontal drive piece in frame 1, install shielding plate 7 at horizontal drive piece's output, shielding plate 7 highly just with the bottom height looks parallel and level of installation section of thick bamboo 6, when opening horizontal drive piece, can drive shielding plate 7 horizontal migration to the bottom of installation section of thick bamboo 6 to shelter from installation section of thick bamboo 6 and inner tube 61's bottom, in order to prevent that the discarded object from dropping.

In addition, still install second conveyor and the stove that burns the discarded object and fire burning furnace 10 on frame 1, the feed end of second conveyor is located the bottom of inner tube 61, and the discharge end of second conveyor extends to the feed inlet that fires burning furnace 10, after inner tube 61 accomplished the spin-drying to the discarded object, open horizontal driving piece and drive shielding plate 7 and reset, at this moment, the discarded object can directly drop to in the second conveyor, then open second conveyor, the discarded object that can be very convenient will get rid of sewage is carried and is fired in burning furnace 10 to can effectual improvement the combustion effect of discarded object.

It should be noted that the horizontal driving member may be a hydraulic cylinder, the driving member may be a servo motor, and the first conveying device and the second conveying device may be both conveying devices using a common conveyor belt, which will not be described in detail herein.

In this embodiment, it is still another object to provide a hazardous waste treatment process, which includes the following steps:

the method comprises the following steps: conveying the solid waste into the crushing hopper 3 by using a first conveying device, and starting a driving piece to crush the waste in the crushing hopper 3;

step two: starting the servo motor 23 to be matched with a return spring to drive the sieve plate 21 to sieve and shake the crushed waste, so that the sewage quickly falls into the collecting tank 22, starting the first cylinder and the second cylinder 54 of the pushing device, and pushing the waste into the inner cylinder 61 from the discharge port 20;

step three: the power assembly is started to drive the inner barrel 61 to rotate, after the waste in the inner barrel 61 is dried, the shielding assembly is started to release the shielding of the inner barrel 61, so that the dried waste falls into the second conveying device;

step four: and starting the second conveying device, and conveying the dried waste into the furnace body 10 for incineration.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A hazardous waste treatment system, comprising: a crushing device mounted on the frame (1) for crushing solid waste;

a first conveying device mounted on the frame (1) for conveying the waste to the crushing device;

a collecting tank (2) which is arranged on the frame (1) and is positioned at the bottom of the crushing device and provided with meshes at the bottom;

the collecting device is arranged on the rack (1) and is positioned at the bottom of the collecting tank (2) for collecting liquid;

the pushing device is arranged on one side, close to the first conveying device, of the rack (1) and used for pushing wastes on the sieve plate (21);

and a second conveying device which is arranged on the frame (1) and is used for conveying the waste in the collecting tank (2) to the combustion furnace (10).

2. The hazardous waste disposal system of claim 1, wherein said breaking device comprises: a crushing hopper (3) which is arranged on the frame (1) and provided with a blanking port at the bottom; the rotating rods (31) are horizontally arranged in the crushing hopper (3) and are symmetrical; a crushing blade (32) mounted on the outer side of the rotating rod (31); and a driving piece which is arranged on the outer wall of the crushing bucket (3) and is used for driving the rotating rod (31) to rotate.

3. The hazardous waste treatment system according to claim 1, wherein a material guide plate (4) is installed at the top of the crushing hopper (3) and close to the output end side of the first conveying device, a rotating plate (41) is rotatably connected to the bottom of the material guide plate (4), and an adjusting assembly for adjusting the rotating angle of the rotating plate (41) is installed at the top of the crushing hopper (3).

4. The hazardous waste disposal system of claim 3, wherein said adjustment assembly comprises: the air cylinder (42) is obliquely arranged on the top edge of the crushing hopper (3); and the sliding block is connected to one side, close to the air cylinder (42), of the rotating plate (41) in a sliding mode, and the top end of a piston rod of the air cylinder (42) is connected to the sliding block in a rotating mode.

5. A hazardous waste disposal system according to claim 3, wherein the carrying surface of the rotary plate (41) is slidably connected with an extension plate (43), and the rotary plate (41) is further provided with a driving assembly for driving the extension plate (43) to slide in a predetermined direction.

6. A hazardous waste disposal system according to claim 1, wherein a screen deck (21) is slidably connected horizontally between the inner walls of the collection tank (2); and the collecting tank (2) is provided with a reciprocating assembly for driving the sieve plate (21) to do reciprocating motion.

7. The hazardous waste disposal system of claim 1, wherein said pushing device comprises: a mounting plate (5) mounted on the frame (1); a vertical plate (51) vertically mounted on the mounting plate (5); a pushing piece (52) which is connected to the vertical plate (51) in a sliding way and the output end of which extends horizontally; and install the piece that goes up and down that is used for driving propelling movement spare (52) to go up and down on mounting panel (5), the strip-shaped opening that supplies propelling movement spare (52) output to pass is seted up along vertical direction in the outside of collecting vat (2), push pedal (53) are installed to the output of propelling movement spare (52).

8. The hazardous waste treatment system according to claim 1, wherein a discharge opening (20) is formed in one side of the collecting tank (2) far away from the pushing member (52), an installation cylinder (6) is installed on the frame (1), an inner cylinder (61) is installed in the installation cylinder (6), drain holes are densely distributed on the outer wall of the inner cylinder (61), a power component for driving the inner cylinder (61) to rotate is installed on the installation cylinder (6), a shielding component for shielding the bottom opening of the inner cylinder (61) is arranged at the bottom of the installation cylinder (6), a material conveying pipeline (62) is connected to the discharge opening (20), one end of the material conveying pipeline (62) far away from the discharge opening (20) extends to the top of the inner cylinder (61), the feeding end of the second conveying device is positioned at the bottom of the inner cylinder (61), and an annular groove (63) for collecting waste water is annularly formed in the bottom inner wall of the installation cylinder (6), the annular groove (63) is communicated with the collecting device through a drain pipe (64).

9. The hazardous waste disposal system of claim 8, wherein said screen assembly comprises: a horizontal driving member mounted on the frame (1); and the shielding plate (7) is arranged at the output end of the horizontal driving piece, and the sealing layer is arranged on the bearing surface of the shielding plate (7).

10. A hazardous waste treatment process based on the hazardous waste treatment system of any one of claims 1-9, comprising:

the method comprises the following steps: conveying the solid waste into the crushing hopper (3) by using a first conveying device, and starting a driving piece to crush the waste in the crushing hopper (3);

step two: the reciprocating assembly is started to drive the sieve plate (21) to sieve the crushed waste, and then the pushing device is started to push the waste into the inner cylinder (61) from the discharge port (20);

step three: the power assembly is started to drive the inner cylinder (61) to rotate, and after the waste in the inner cylinder (61) is dried, the shielding assembly is started to remove shielding of the inner cylinder (61);

step four: and starting the second conveying device, and conveying the dried waste into the furnace body (10) for incineration.