CN112517384A

CN112517384A - Environment-friendly solid waste handles and uses multilayer sorting unit

Info

Publication number: CN112517384A
Application number: CN202011302607.7A
Authority: CN
Inventors: 王国庆
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-19
Filing date: 2020-11-19
Publication date: 2021-03-19

Abstract

The invention discloses an environment-friendly multilayer sorting device for solid waste treatment, which comprises a base, wherein a box body is fixedly arranged at the top of the base, two supports are fixedly arranged on one side of the box body, a material conveying cylinder is fixedly arranged on one side of the two supports, which is far away from the box body, the material conveying cylinder is obliquely arranged, a motor is fixedly arranged at the bottom of the material conveying cylinder, a hopper is fixedly arranged on one side of the material conveying cylinder, which is far away from the box body, the hopper is communicated with the inside of the material conveying cylinder, a rotating shaft is rotatably arranged in the material conveying cylinder, a spiral impeller is fixedly arranged on the rotating shaft, and. The dust-settling device is reasonable in design, good in practicability, capable of quickly and effectively sorting and separately discharging the solid wastes according to the particle sizes, good in sorting effect of the solid wastes, high in sorting efficiency, capable of effectively settling dust in the sorting process of the solid wastes, capable of preventing dust from scattering in the surrounding air and capable of improving the air quality around the work.

Description

Environment-friendly solid waste handles and uses multilayer sorting unit

Technical Field

The invention relates to the technical field of solid waste treatment, in particular to an environment-friendly multilayer sorting device for solid waste treatment.

Background

Solid waste refers to solid, semi-solid and gaseous matter in containers and articles in laws and administrative regulations, which are generated in the processes of production, life and other activities and are discarded or abandoned without losing the utilization value, liquid waste which cannot be discharged into water and gaseous matter which cannot be discharged into the atmosphere in containers, are generally classified into a solid waste management system due to great harmfulness, nowadays, along with the continuous development and progress of society, the urban construction is faster and faster, on the construction site, the generation of solid waste such as waste broken bricks, broken stones, broken concrete blocks and the like is more and more increased, and the solid waste such as the waste broken bricks, broken stones, broken concrete blocks and the like is generally screened and sorted according to the particle size by using a sorting device so as to be recycled and reused, has the function of saving resources.

However, in the prior art, a common sorting device for solid waste treatment is simple in structure and single in function, generally only has a simple sorting function, cannot perform multi-stage sorting according to the particle size of solid waste, so that the sorting effect on the solid waste is poor, the sorting efficiency is low, and a dust-falling function is not provided.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides an environment-friendly multilayer sorting device for solid waste treatment, which solves the problems that the existing sorting equipment for solid waste treatment is simple in structure and single in function, generally only has a simple sorting effect, cannot perform multi-stage sorting according to the particle size of solid waste, causes poor sorting effect on the solid waste, is low in sorting efficiency, does not have a dust-falling effect, and easily generates a large amount of dust floating in the surrounding working environment in the sorting process of the solid waste, so that the air quality around the work is poor.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: the multi-layer sorting device comprises a base, wherein a box body is fixedly arranged at the top of the base, two supports are fixedly arranged on one side of the box body, a material conveying cylinder is fixedly arranged on one side, away from the box body, of the two supports, the material conveying cylinder is obliquely arranged, a motor is fixedly arranged at the bottom of the material conveying cylinder, a hopper is fixedly arranged on one side, away from the box body, of the material conveying cylinder, the hopper is communicated with the inside of the material conveying cylinder, a rotating shaft is rotatably arranged in the material conveying cylinder, a spiral impeller is fixedly arranged on the rotating shaft, round holes are respectively formed in the inner wall of the top and the inner wall of the bottom of the material conveying cylinder, two ends of the rotating shaft respectively penetrate through the corresponding round holes, the bottom end of the rotating shaft is fixedly connected with the output shaft end of the motor, a discharge pipe is fixedly arranged on one side of the, a first screen mesh, a second screen mesh and a bottom plate are fixedly arranged in the separation cavity, the first screen mesh, the second screen mesh and the bottom plate are all obliquely arranged, the second screen mesh is positioned between the first screen mesh and the bottom plate, three discharge holes are formed in the inner wall of one side of the separation cavity, which is far away from the fixed cavity, a crankshaft is arranged in the fixed cavity, a mounting hole is formed in the inner wall of the top of the fixed cavity, the top end of the crankshaft penetrates through the mounting hole and is fixedly provided with a second bevel gear, the second bevel gear is meshed with the first bevel gear, three sleeves are rotatably sleeved on the crankshaft, a connecting rod is fixedly arranged on one side of each sleeve, metal plates are fixedly arranged at the bottoms of the first screen mesh, the second screen mesh and the bottom plate, three sliding holes are formed in the inner wall of one side, which is close to the fixed cavity and the separation cavity, sliding rods are slidably arranged in the three sliding holes, two ends of the, the metal rods are fixedly arranged at one ends of the three sliding rods, which are positioned in the sorting cavity, a large gear wheel is fixedly sleeved on the crankshaft, which is positioned in the fixing cavity, a first bearing seat is fixedly arranged on the inner wall at the top of the fixing cavity, a vertical shaft is rotatably arranged at the bottom of the first bearing seat, a small gear is fixedly sleeved on the vertical shaft and meshed with the large gear wheel, an eccentric wheel is fixedly arranged at the bottom end of the vertical shaft, a fixing groove is formed in the inner wall at one side of the fixing cavity, a piston plate is arranged in the fixing groove and is in sliding and sealing contact with the inner wall of the fixing groove, one side of the eccentric wheel extends into the fixing groove and is in contact with one side of the piston plate, three springs are fixedly arranged at one side of the piston plate, which is far away from the eccentric wheel, one ends of the, one end of the water suction pipe is communicated with the inside of the fixing groove, a water outlet pipe is fixedly arranged in the separation cavity, one end of the water outlet pipe is communicated with the inside of the fixing groove, and a spray head is fixedly arranged at the bottom of the water outlet pipe.

Preferably, a water injection pipe is fixedly installed on one side of the box body, an end cover is installed at the top end of the water injection pipe in a threaded mode, and the water injection pipe is communicated with the inside of the fixed cavity.

Preferably, three inclined plates are fixedly mounted on the inner wall of one side, far away from the fixed cavity, of the sorting cavity, and three guide plates are fixedly mounted on one side, far away from the material conveying cylinder, of the box body.

Preferably, the rotating shaft is fixedly sleeved with two bearings, and outer rings of the two bearings are fixedly connected with inner walls of the corresponding round holes respectively.

Preferably, a second bearing seat is fixedly installed on the inner wall of the bottom of the fixed cavity, and the bottom end of the crankshaft is rotatably installed on the second bearing seat.

Preferably, the inner walls of the three sliding holes are fixedly provided with sealing rings, and the three sliding rods are respectively in sliding sealing fit with the corresponding sliding holes through the corresponding sealing rings.

Preferably, a first one-way valve is fixedly mounted on the water suction pipe, and a second one-way valve is fixedly mounted on the water outlet pipe.

Preferably, the number of the spray heads is multiple, and the multiple spray heads are arranged at equal intervals.

(III) advantageous effects

The invention provides an environment-friendly multilayer sorting device for solid waste treatment. The method has the following beneficial effects:

(1) this multi-layer sorting unit is used in environment-friendly solid waste handles, work through the starter motor, the motor drives the pivot, helical blade wheel and first bevel gear rotate, first bevel gear drives the second bevel gear, bent axle and three sleeve rotate, three sleeve drives corresponding connecting rod respectively and carries out reciprocal swaying, three connecting rod drives corresponding slide bar respectively and carries out horizontal reciprocating sliding in corresponding slide opening, make three slide bar drive corresponding metal pole and corresponding metal sheet intermittent type nature collision, three metal sheet produces the shaking force transmission to first screen cloth when receiving intermittent type nature collision, on second screen cloth and the bottom plate, through pouring solid waste into the hopper, utilize helical blade wheel's rotation can carry out even quantity slope at the uniform velocity to solid waste and upwards carry, make solid waste through arrange the material pipe and fall to first screen cloth.

(2) The multi-layer sorting device for the environment-friendly solid waste treatment can screen and filter solid waste with large particles by utilizing the first screen, so that the solid waste with large particles is discharged from a discharge port at the top, the solid waste with medium particles and small particles falls onto the second screen, the solid waste with medium particles can be screened and filtered by utilizing the second screen, the solid waste with medium particles is discharged from a discharge port at the middle part, the solid waste with small particles falls onto the bottom plate, the solid waste with small particles is discharged from a discharge port at the bottom, the solid waste falling onto the first screen, the second screen and the bottom plate can also be subjected to vibration force under the action of the vibration force applied to the first screen, the second screen and the bottom plate, and the solid waste can be quickly and effectively sorted and separately discharged according to the particle size, the sorting effect on the solid waste is good, and the sorting efficiency is high.

(3) This environment-friendly solid waste handles and uses multilayer sorting unit, rotate through utilizing the bent axle to drive the gear wheel, the gear wheel drives the pinion, vertical axis and eccentric wheel rotate, promote the piston plate to slide in the fixed slot when the eccentric wheel rotates, three spring atress warp produces elasticity, the eccentric wheel is at the continuous rotation in-process, and under the elastic action that three spring produced, can promote the piston plate and carry out reciprocating motion in the fixed slot, the clear water of fixed intracavity is inhaled in the fixed slot through the pipe that absorbs water, then from a plurality of shower nozzles atomizing blowout, atomizing spun water smoke evenly spread is sorting the intracavity, thereby can play good dust fall effect at the in-process of sorting solid waste, avoid sorting the in-process solid waste, the dust is wafted in the air on every side, thereby can improve the air quality around the work.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic sectional view of the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 2;

FIG. 4 is an enlarged view of portion B of FIG. 2;

fig. 5 is an enlarged schematic view of a portion C in fig. 2.

In the figure: 1. a base; 2. a box body; 3. a support; 4. a delivery cylinder; 5. a motor; 6. a hopper; 7. a rotating shaft; 8. a helical impeller; 9. a discharge pipe; 10. a first bevel gear; 11. a fixed cavity; 12. a sorting chamber; 13. a first screen; 14. a second screen; 15. a base plate; 16. a discharge port; 17. a crankshaft; 18. a second bevel gear; 19. a sleeve; 20. a connecting rod; 21. a metal plate; 22. a slide hole; 23. a slide bar; 24. a metal rod; 25. a bull gear; 26. a first bearing housing; 27. a vertical axis; 28. a pinion gear; 29. an eccentric wheel; 30. fixing grooves; 31. a piston plate; 32. a spring; 33. a suction pipe; 34. a water outlet pipe; 35. a spray head; 36. a water injection pipe; 37. an inclined plate; 38. a baffle.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 5, the present invention provides a technical solution: an environment-friendly multilayer sorting device for solid waste treatment comprises a base 1, a box body 2 is fixedly installed at the top of the base 1, two supports 3 are fixedly installed on one side of the box body 2, a material conveying cylinder 4 is fixedly installed on one side, far away from the box body 2, of the two supports 3, the material conveying cylinder 4 is obliquely arranged, a motor 5 is fixedly installed at the bottom of the material conveying cylinder 4, a hopper 6 is fixedly installed on one side, far away from the box body 2, of the material conveying cylinder 4, the hopper 6 is communicated with the inside of the material conveying cylinder 4, a rotating shaft 7 is rotatably installed in the material conveying cylinder 4, a spiral impeller 8 is fixedly installed on the rotating shaft 7, round holes are formed in the inner wall of the top and the inner wall of the bottom of the material conveying cylinder 4, two ends of the rotating shaft 7 respectively penetrate through the corresponding round holes, the bottom end of the rotating shaft 7 is, a fixed cavity 11 and a separation cavity 12 are formed in the box body 2, one end of the discharge pipe 9, far away from the feed delivery cylinder 4, extends into the separation cavity 12, a first screen 13, a second screen 14 and a bottom plate 15 are fixedly arranged in the separation cavity 12, the first screen 13, the second screen 14 and the bottom plate 15 are all obliquely arranged, the second screen 14 is positioned between the first screen 13 and the bottom plate 15, three discharge holes 16 are formed in the inner wall of one side, far away from the fixed cavity 11, of the separation cavity 12, a crankshaft 17 is arranged in the fixed cavity 11, a mounting hole is formed in the inner wall of the top of the fixed cavity 11, the top end of the crankshaft 17 penetrates through the mounting hole and is fixedly provided with a second bevel gear 18, the second bevel gear 18 is meshed with the first bevel gear 10, three sleeves 19 are rotatably sleeved on the crankshaft 17, a connecting rod 20 is fixedly arranged on one side of the three sleeves 19, metal plates 21 are fixedly arranged at the bottoms, three sliding holes 22 are formed in the inner wall of one side of the fixed cavity 11, which is close to the sorting cavity 12, slide rods 23 are slidably mounted in the three sliding holes 22, two ends of each slide rod 23 extend out of the corresponding sliding hole 22, one end of each slide rod 23, which is located in the fixed cavity 11, is hinged to one end, which is far away from the sleeve 19, of the corresponding connecting rod 20, metal rods 24 are fixedly mounted at one ends of the three slide rods 23, which are located in the sorting cavity 12, metal rods 24 are fixedly mounted at one ends of the three slide rods 23, a large gear 25 located in the fixed cavity 11 is fixedly sleeved on the crankshaft 17, a first bearing seat 26 is fixedly mounted on the inner wall of the top of the fixed cavity 11, a vertical shaft 27 is rotatably mounted at the bottom of the first bearing seat 26, a small gear 28 is fixedly sleeved on the vertical shaft 27, the small gear 28 is meshed with the large gear 25, an eccentric wheel 29 is fixedly mounted at the bottom of the vertical, one side of eccentric wheel 29 extends to in the fixed slot 30 and contacts with one side of piston plate 31, one side fixed mounting that eccentric wheel 29 was kept away from to piston plate 31 has three spring 32, the one end that piston plate 31 was kept away from to three spring 32 all keeps away from one side inner wall fixed connection of fixed slot 30 notch with fixed slot 30, fixed chamber 11 is kept away from on one side inner wall of selecting separately chamber 12 fixed mounting have the pipe 33 that absorbs water, the one end and the fixed slot 30 inside of pipe 33 that absorbs water are linked together, fixed mounting has outlet pipe 34 in selecting separately chamber 12, the one end and the fixed slot 30 inside of outlet pipe 34 are linked together, the bottom fixed mounting of outlet pipe 34.

A water injection pipe 36 is fixedly installed on one side of the box body 2, an end cover is installed on the top end of the water injection pipe 36 in a threaded manner, the water injection pipe 36 is communicated with the inside of the fixed cavity 11, three inclined plates 37 are fixedly installed on the inner wall of one side of the sorting cavity 12 far away from the fixed cavity 11, three guide plates 38 are fixedly installed on one side of the box body 2 far away from the material conveying cylinder 4, two bearings are fixedly sleeved on the rotating shaft 7, the outer rings of the two bearings are respectively and fixedly connected with the inner walls of corresponding round holes, a second bearing seat is fixedly installed on the inner wall of the bottom of the fixed cavity 11, the bottom end of the crankshaft 17 is rotatably installed on the second bearing seat, sealing rings are fixedly installed on the inner walls of three sliding holes 22, three sliding rods 23 are respectively in sliding sealing fit with the corresponding sliding holes 22 through the corresponding sealing rings, a first one-way, the plurality of nozzles 35 are arranged at equal intervals.

In the embodiment, when the device is used, the box body 2 is provided with the control switch and the external power line, the motor 5, the control switch and the external power line are electrically connected through the conducting wire to form a loop, the control switch controls the start and stop of the motor 5, the sieve pores on the first screen 13 are larger than the sieve pores on the second screen 14, a proper amount of clear water can be added into the fixed cavity 11 from the water injection pipe 36 by unscrewing the end cover, the power is switched on, the motor 5 drives the rotating shaft 7, the helical impeller 8 and the first bevel gear 10 to rotate by starting the motor 5, the second bevel gear 18, the crankshaft 17 and the three sleeves 19 are driven by the first bevel gear 10 to rotate, the three sleeves 19 respectively drive the corresponding connecting rods 20 to reciprocate and swing in the rotating process, the three connecting rods 20 respectively drive the corresponding sliding rods 23 to horizontally reciprocate in the corresponding sliding holes 22, so that the corresponding metal rods 24 driven by the three sliding rods 23 intermittently collide with the corresponding, the three metal plates 21 generate vibration force when intermittently collided, so that the generated vibration force is transmitted to the first screen 13, the second screen 14 and the bottom plate 15, solid wastes such as broken bricks, broken stones and broken concrete blocks are poured into the hopper 6, the solid wastes can be obliquely conveyed upwards at a uniform speed and uniform quantity by the rotation of the spiral impeller 8, the solid wastes fall onto the first screen 13 through the discharge pipe 9, the solid wastes with large particles can be screened and filtered by the first screen 13, the solid wastes with large particles are discharged from the discharge port 16 at the top and the guide plate 38 at the top along the oblique direction of the first screen 13, the solid wastes with medium particles and small particles fall onto the oblique plate 37 at the top through the meshes on the first screen 13 and slide onto the second screen 14 along the oblique direction of the oblique plate 37, the solid wastes with medium particles can be screened and filtered by the second screen 14, the solid waste with moderate particles is discharged from the middle discharge hole 16 and the middle guide plate 38 along the inclined direction of the second screen 14, the solid waste with small particles falls onto the lower inclined plate 37 through the meshes on the second screen 14 and slides onto the bottom plate 15 along the inclined direction of the inclined plate 37, so that the solid waste with small particles is discharged from the bottommost discharge hole 16 and the bottommost guide plate 38, and the solid waste falling onto the first screen 13, the second screen 14 and the bottom plate 15 can be subjected to vibration force under the action of the vibration force applied to the first screen 13, the second screen 14 and the bottom plate 15, so that the solid waste can be quickly and effectively sorted according to the particle size and separated and discharged, the sorting effect on the solid waste is good, the sorting efficiency is high, and the large gear 25 is driven to rotate in the rotation process of the crankshaft 17 in the solid waste sorting process, the large gear 25 drives the small gear 28, the vertical shaft 27 and the eccentric wheel 29 to rotate, so that the rotating speed of the vertical shaft 27 is greater than that of the crankshaft 17, the eccentric wheel 29 pushes the piston plate 31 to slide in the fixing groove 30 when rotating, the three springs 32 deform under stress to generate elasticity, the eccentric wheel 29 continuously rotates and can push the piston plate 31 to reciprocate in the fixing groove 30 under the action of the elasticity generated by the three springs 32, clear water in the fixing cavity 11 is sucked into the fixing groove 30 through the water suction pipe 33 and is finally atomized and sprayed out from the plurality of spray heads 35 through the water outlet pipe 34, atomized and sprayed water mist is uniformly diffused in the separation cavity 12, so that a good dust fall effect can be achieved in the solid waste separation process, dust is prevented from floating in the surrounding air in the solid waste separation process, the air quality around the work can be improved, and after the work is finished, the operation of the motor 5 is stopped, and details not described in detail in this specification are well known to those skilled in the art.

In conclusion, the environment-friendly multi-layer sorting device for solid waste treatment can be obtained by starting the motor 5 to work, the motor 5 drives the rotating shaft 7, the spiral impeller 8 and the first bevel gear 10 to rotate, the first bevel gear 10 drives the second bevel gear 18, the crankshaft 17 and the three sleeves 19 to rotate, the three sleeves 19 respectively drive the corresponding connecting rods 20 to perform reciprocating swing, the three connecting rods 20 respectively drive the corresponding sliding rods 23 to perform horizontal reciprocating sliding in the corresponding sliding holes 22, so that the three sliding rods 23 drive the corresponding metal rods 24 to intermittently collide with the corresponding metal plates 21, vibration force generated when the three metal plates 21 are intermittently collided is transmitted to the first screen 13, the second screen 14 and the bottom plate 15, the solid waste is poured into the hopper 6, and the solid waste can be uniformly, obliquely and upwards conveyed by the rotation of the spiral impeller 8, the solid waste is dropped onto the first screen 13 through the discharging pipe 9, the large solid waste can be screened and filtered by using the first screen 13, the large solid waste is discharged from the topmost discharge port 16, the medium and small solid waste is dropped onto the second screen 14, the medium solid waste can be screened and filtered by using the second screen 14, the medium solid waste is discharged from the middle discharge port 16, the small solid waste is dropped onto the bottom plate 15, the small solid waste is discharged from the bottommost discharge port 16, the solid waste dropped onto the first screen 13, the second screen 14 and the bottom plate 15 is subjected to vibration force under the effect of the vibration force applied to the first screen 13, the second screen 14 and the bottom plate 15, so that the solid waste can be rapidly and effectively sorted and separated according to the particle size, the sorting effect on the solid waste is good, the sorting efficiency is high, the crankshaft 17 is utilized to drive the large gear 25 to rotate, the large gear 25 drives the small gear 28, the vertical shaft 27 and the eccentric wheel 29 to rotate, the eccentric wheel 29 pushes the piston plate 31 to slide in the fixing groove 30 when rotating, the three springs 32 deform under stress to generate elasticity, the eccentric wheel 29 can push the piston plate 31 to reciprocate in the fixing groove 30 under the action of the elasticity generated by the three springs 32 in the continuous rotating process, clear water in the fixing cavity 11 is sucked into the fixing groove 30 through the water suction pipe 33 and then is atomized and sprayed out from the plurality of spray heads 35, the atomized and sprayed water mist is uniformly diffused in the sorting cavity 12, so that a good dust falling effect can be achieved in the sorting process of the solid waste, dust is prevented from floating in the surrounding air in the sorting process of the solid waste, and the air quality around the work can be improved, the dust-settling device is reasonable in design, good in practicability, capable of quickly and effectively sorting and separately discharging the solid wastes according to the particle sizes, good in sorting effect of the solid wastes, high in sorting efficiency, capable of effectively settling dust in the sorting process of the solid wastes, capable of preventing dust from scattering in the surrounding air and capable of improving the air quality around the work.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an environment-friendly solid waste handles and uses multilayer sorting unit, includes base (1), its characterized in that: the top fixed mounting of base (1) has box (2), one side fixed mounting of box (2) has two supports (3), one side fixed mounting that box (2) were kept away from in two supports (3) has feed delivery section of thick bamboo (4), feed delivery section of thick bamboo (4) are the slope setting, the bottom fixed mounting of feed delivery section of thick bamboo (4) has motor (5), one side fixed mounting that box (2) were kept away from in feed delivery section of thick bamboo (4) has hopper (6), hopper (6) and feed delivery section of thick bamboo (4) inside are linked together, pivot (7) are installed to feed delivery section of thick bamboo (4) internal rotation, fixed mounting has helical impeller (8) on pivot (7), the round hole has all been seted up on the top inner wall of feed delivery section of thick bamboo (4) and the bottom inner wall, the both ends of pivot (7) run through corresponding round hole respectively, the bottom of pivot (7) and the output shaft end fixed connection of motor, a first bevel gear (10) is fixedly installed at the top end of the rotating shaft (7), a fixed cavity (11) and a separation cavity (12) are formed in the box body (2), one end, far away from the material conveying barrel (4), of the discharging pipe (9) extends into the separation cavity (12), a first screen (13), a second screen (14) and a bottom plate (15) are fixedly installed in the separation cavity (12), the first screen (13), the second screen (14) and the bottom plate (15) are all obliquely arranged, the second screen (14) is located between the first screen (13) and the bottom plate (15), three discharge holes (16) are formed in the inner wall, far away from the fixed cavity (11), of one side of the separation cavity (12), a crankshaft (17) is arranged in the fixed cavity (11), a mounting hole is formed in the inner wall of the top of the fixed cavity (11), the top end of the crankshaft (17) penetrates through the mounting hole and is fixedly installed with a second bevel gear (18), and the second bevel gear (18) is meshed with, three sleeves (19) are rotatably sleeved on a crankshaft (17), a connecting rod (20) is fixedly installed on one side of each sleeve (19), a metal plate (21) is fixedly installed at the bottoms of a first screen (13), a second screen (14) and a bottom plate (15), three sliding holes (22) are formed in the inner wall of one side, close to each other, of a fixed cavity (11) and a sorting cavity (12), sliding rods (23) are slidably installed in the three sliding holes (22), the two ends of each sliding rod (23) extend out of the corresponding sliding hole (22), one ends, located in the fixed cavity (11), of the three sliding rods (23) are hinged to one end, far away from the sleeve (19), of the corresponding connecting rod (20), metal rods (24) are fixedly installed at one ends, located in the sorting cavity (12), a large gear (25) located in the fixed cavity (11) is fixedly sleeved on the crankshaft (17), and a first bearing seat (26) is fixedly installed on the inner wall of the top of the fixed cavity (11), a vertical shaft (27) is rotatably arranged at the bottom of the first bearing seat (26), a pinion (28) is fixedly sleeved on the vertical shaft (27), the pinion (28) is meshed with the gear wheel (25), an eccentric wheel (29) is fixedly arranged at the bottom end of the vertical shaft (27), a fixing groove (30) is formed in the inner wall of one side of the fixing cavity (11), a piston plate (31) is arranged in the fixing groove (30), the piston plate (31) is in sliding sealing contact with the inner wall of the fixing groove (30), one side of the eccentric wheel (29) extends into the fixing groove (30) and is in contact with one side of the piston plate (31), three springs (32) are fixedly arranged on one side of the piston plate (31) far away from the eccentric wheel (29), one ends of the three springs (32) far away from the piston plate (31) are fixedly connected with the inner wall of one side of the fixing groove (30) far away from the notch of the fixing groove (30), and a water suction pipe (, one end of the water suction pipe (33) is communicated with the inside of the fixing groove (30), a water outlet pipe (34) is fixedly arranged in the separation cavity (12), one end of the water outlet pipe (34) is communicated with the inside of the fixing groove (30), and a spray head (35) is fixedly arranged at the bottom of the water outlet pipe (34).

2. The environment-friendly multi-layer sorting device for solid waste treatment according to claim 1, wherein: one side fixed mounting of box (2) has water injection pipe (36), and the top thread of water injection pipe (36) installs the end cover, and water injection pipe (36) are linked together with fixed chamber (11) inside.

3. The environment-friendly multi-layer sorting device for solid waste treatment according to claim 1, wherein: three inclined plates (37) are fixedly mounted on the inner wall of one side, far away from the fixed cavity (11), of the sorting cavity (12), and three guide plates (38) are fixedly mounted on one side, far away from the material conveying cylinder (4), of the box body (2).

4. The environment-friendly multi-layer sorting device for solid waste treatment according to claim 1, wherein: two bearings are fixedly sleeved on the rotating shaft (7), and outer rings of the two bearings are fixedly connected with the inner walls of the corresponding round holes respectively.

5. The environment-friendly multi-layer sorting device for solid waste treatment according to claim 1, wherein: and a second bearing seat is fixedly arranged on the inner wall of the bottom of the fixed cavity (11), and the bottom end of the crankshaft (17) is rotatably arranged on the second bearing seat.

6. The environment-friendly multi-layer sorting device for solid waste treatment according to claim 1, wherein: sealing rings are fixedly arranged on the inner walls of the three sliding holes (22), and the three sliding rods (23) are in sliding sealing fit with the corresponding sliding holes (22) through the corresponding sealing rings respectively.

7. The environment-friendly multi-layer sorting device for solid waste treatment according to claim 1, wherein: a first one-way valve is fixedly mounted on the water suction pipe (33), and a second one-way valve is fixedly mounted on the water outlet pipe (34).

8. The environment-friendly multi-layer sorting device for solid waste treatment according to claim 1, wherein: the number of shower nozzle (35) is a plurality of, and a plurality of shower nozzles (35) are equidistant arranging.