CN220126802U

CN220126802U - Drum screen for urban garbage disposal

Info

Publication number: CN220126802U
Application number: CN202321609774.5U
Authority: CN
Inventors: 王加军; 徐刚; 刘恒阳; 杜越飞
Original assignee: Wuhan Changshankou Huaxin Environmental Engineering Co ltd
Current assignee: Wuhan Changshankou Huaxin Environmental Engineering Co ltd
Priority date: 2023-06-24
Filing date: 2023-06-24
Publication date: 2023-12-05
Anticipated expiration: 2033-06-24

Abstract

The utility model discloses a rotary screen for urban garbage treatment, which comprises a shell, a rotary screen body, wall pipes, an odor removing box and activated carbon blocks, wherein the rotary screen body is rotatably arranged in the shell, a first screen hole, a second screen hole and a third screen hole are sequentially formed in the surface of the rotary screen body, a rotary driving piece is arranged on one side of the shell, the wall pipes are arranged at the top end of the shell, equidistant air suction pipes are arranged at the bottom ends of the wall pipes, the odor removing box is fixed on one side of the shell, hollow partition plates are fixed in the odor removing cavity, the activated carbon blocks are arranged at the top ends of the hollow partition plates, an induced draft fan is arranged at the top ends of the odor removing box, and a material collecting frame is arranged below the shell. The utility model not only realizes the function of removing peculiar smell, reduces the pollution to air and improves the rotation stability of the rotary screen, but also is convenient for quickly separating sewage.

Description

Drum screen for urban garbage disposal

Technical Field

The utility model relates to the technical field of garbage treatment, in particular to a drum screen for urban garbage treatment.

Background

The methods of municipal waste disposal are typically landfill, incineration and bioconversion processes, and in general, in the treatment of municipal waste, it is necessary to screen the waste using a trommel.

1. When the drum screen is used for screening urban garbage, the garbage is continuously turned over, so that the peculiar smell is heavy, and the air around the drum screen is very bad, so that the improvement is needed; 2. when the rotary screen rotates, the garbage continuously rolls and impacts the rotary screen, so that the stability of the screen body is influenced, and a motor shaft is easily damaged for a long time; 3. the garbage screened by the drum sieve is generally directly discharged, and sewage in the garbage is inconvenient to separate, so that certain defects exist.

Disclosure of Invention

The utility model aims to provide a drum screen for urban garbage disposal, which aims to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a drum sieve for municipal refuse treatment, includes shell, drum sieve body, wall pipe, removes peculiar smell case and active carbon piece, the drum sieve body rotates and installs the inside at the shell, just the surface of drum sieve body has set gradually first sieve mesh, second sieve mesh, third sieve mesh, rotary drive spare is installed to one side of shell, and rotary drive spare's output extends to the inside of shell and with drum sieve body fixed connection, be fixed with the charge door on the outer wall at shell top, just one side of charge door is fixed with the pipe, and the one end of pipe extends to the inside of shell and communicates with drum sieve body, the top at the shell is installed to the wall pipe, just equidistant breathing pipe is all installed to the bottom of wall pipe, and the bottom of breathing pipe extends to the inside of shell, remove peculiar smell case and fix one side at the shell, just the inside of removing the peculiar smell case is provided with the peculiar smell chamber, and remove install the blast pipe on the outer wall of case of chamber department, blast pipe and remove the inside in chamber all is fixed with the fretwork baffle, the inside of hollow baffle all is provided with the inside of hollow baffle, the inside is provided with the baffle, the inside of hollow baffle is provided with the frame and receives the material in the top through the inside of shell, the top is provided with the frame, receives the material to receive the material.

Preferably, the bottom end of the shell is fixed with equidistant discharging hoppers, so that garbage can be conveniently guided into the receiving frame.

Preferably, the outer walls of the rotary screen bodies are all fixed with positioning rings, and arc grooves are formed in the outer walls of the positioning rings to assist the rotary operation of the rotary screen bodies.

Preferably, the inner walls of the rotary screen bodies are all fixed with equidistant crushing teeth, so that garbage can be crushed conveniently.

Preferably, a guide ring is fixed on the inner wall of the shell at the position of the positioning ring, equidistant balls are arranged in the guide ring, one end of each ball extends to the inside of the arc groove, and the rotary screen body rotates more stably and reliably.

Preferably, the bottom of receiving the material frame is provided with the sewage groove, just all install the blow off pipe on receiving two outer walls of material frame bottom, blow off pipe and sewage groove intercommunication, be convenient for derive sewage.

Preferably, a sealing door is arranged on the outer wall of the deodorizing box above the exhaust pipe, so that the activated carbon block can be replaced conveniently.

Preferably, a filter plate is arranged at the bottom of the receiving groove, so that sewage in the receiving groove can be conveniently filtered into the sewage groove.

Compared with the prior art, the utility model has the beneficial effects that: the drum screen for urban garbage treatment not only realizes the function of removing peculiar smell and reduces the pollution to air, improves the rotation stability of the drum screen, but also is convenient for quickly separating sewage;

(1) The air inside the shell is pumped out by the induced draft fan through the wall pipe and the air suction pipe and is conveyed into the odor removing cavity inside the odor removing box, when the air passes through the activated carbon blocks on the surfaces of the hollow partition plates, the activated carbon blocks adsorb off the odor in the air, and the adsorbed air is discharged through the air discharge pipe, so that the odor removing function is realized, and the pollution to the air is reduced;

(2) The positioning ring, the arc groove, the guide ring and the ball are arranged, so that the positioning ring on the outer wall of the rotary screen body rotates along the guide ring in the rotating process of the rotary screen body, and meanwhile, the ball rolls in the arc groove, and a rolling support structure is adopted, so that the rotary screen body rotates more stably and reliably;

(3) Through being provided with receipts material frame, receipts silo, receipts material string bag, filter plate, sewage tank, blow off pipe, rubbish falls in receipts material frame inside corresponds receipts silo, and the drum screen body is collected rubbish, because receipts material string bag is hollow out construction, the sewage in the rubbish wears the filter plate to flow into in the sewage tank, and the sewage in the sewage tank discharges to outside through the blow off pipe to be convenient for isolate sewage.

Drawings

FIG. 1 is a schematic cross-sectional view of the present utility model;

FIG. 2 is a schematic diagram of a side view and enlarged structure of a trommel body according to the present utility model;

FIG. 3 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;

FIG. 4 is a schematic diagram of a cross-sectional enlarged structure of the deodorizing box of the present utility model;

fig. 5 is an enlarged schematic view of the material receiving frame of the present utility model.

In the figure: 1. a housing; 2. a trommel body; 3. a rotary driving member; 4. a feed inlet; 5. a conduit; 6. a first screen aperture; 7. a wall tube; 8. an air suction pipe; 9. a second screen aperture; 10. a third screen aperture; 11. an induced draft fan; 12. an odor removing box; 13. a discharge hopper; 14. a material receiving frame; 15. crushing teeth; 16. a positioning ring; 17. an arc groove; 18. a guide ring; 19. a ball; 20. an odor removing cavity; 21. hollow partition boards; 22. an activated carbon block; 23. sealing the door; 24. an exhaust pipe; 25. a material collecting groove; 26. collecting a net bag; 27. a filter plate; 28. a sewage tank; 29. and a blow-down pipe.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model, and all other embodiments obtained by those skilled in the art without making any inventive effort based on the embodiments of the present utility model are within the scope of protection of the present utility model.

Referring to fig. 1-5, an embodiment of the present utility model is provided: the utility model provides a drum sieve for municipal waste treatment, including shell 1, drum sieve body 2, wall pipe 7, remove peculiar smell case 12 and active carbon piece 22, drum sieve body 2 rotates the inside of installing at shell 1, and drum sieve body 2's surface has set gradually first sieve mesh 6, second sieve mesh 9, third sieve mesh 10, rotation driving piece 3 is installed to one side of shell 1, rotation driving piece 3's output extends to shell 1's inside and with drum sieve body 2 fixed connection, be fixed with charge door 4 on the outer wall at shell 1 top, and one side of charge door 4 is fixed with pipe 5, the one end of pipe 5 extends to shell 1's inside and communicates with drum sieve body 2;

the wall pipe 7 is arranged at the top end of the shell 1, the bottom ends of the wall pipes 7 are provided with equidistant air suction pipes 8, the bottom ends of the air suction pipes 8 extend into the shell 1, the odor removal box 12 is fixed at one side of the shell 1, an odor removal cavity 20 is arranged in the odor removal box 12, an exhaust pipe 24 is arranged on the outer wall of the odor removal box 12 at the position of the odor removal cavity 20, the exhaust pipe 24 is communicated with the odor removal cavity 20, hollow partition plates 21 are fixed in the odor removal cavity 20, and active carbon blocks 22 are arranged at the top ends of the hollow partition plates 21;

an induced draft fan 11 is arranged at the top end of the odor removal box 12, the input end of the induced draft fan 11 is communicated with the wall pipe 7 through a pipeline, a material receiving frame 14 is arranged below the shell 1, equidistant material receiving grooves 25 are arranged in the material receiving frame 14, and material receiving net bags 26 are arranged in the material receiving grooves 25;

the bottom end of the shell 1 is fixed with equidistant discharge hoppers 13, so that garbage can be conveniently guided into the receiving frame 14;

the outer walls of the rotary screen body 2 are fixed with positioning rings 16, and the outer walls of the positioning rings 16 are provided with arc grooves 17 to assist the rotary operation of the rotary screen body 2;

the inner walls of the rotary screen body 2 are fixed with equally spaced crushing teeth 15, so that garbage can be crushed conveniently;

a guide ring 18 is fixed on the inner wall of the shell 1 at the position of the positioning ring 16, equidistant balls 19 are arranged in the guide ring 18, and one end of each ball 19 extends to the inside of the arc groove 17, so that the rotary screen body 2 rotates more stably and reliably;

a sewage tank 28 is arranged at the bottom of the material receiving frame 14, and two outer walls at the bottom of the material receiving frame 14 are provided with sewage pipes 29, and the sewage pipes 29 are communicated with the sewage tank 28 so as to be convenient for guiding out sewage;

a sealing door 23 is arranged on the outer wall of the deodorizing box 12 above the exhaust pipe 24, so that the activated carbon block 22 can be replaced conveniently;

a filter plate 27 is arranged at the bottom of the receiving groove 25, so that sewage in the receiving groove 25 can be conveniently filtered into a sewage groove 28.

When the embodiment of the utility model is used, the following steps are adopted: firstly, pouring municipal refuse into a rotary screen body 2 in a shell 1 through a feed inlet 4 and a guide pipe 5, secondly, driving the rotary screen body 2 to rotate by a rotary driving piece 3, enabling the rotary screen body 2 to be in an inclined structure, enabling the refuse to move from left to right, enabling the diameters of a first sieve hole 6, a second sieve hole 9 and a third sieve hole 10 on the surface of the rotary screen body 2 to be sequentially increased, crushing the refuse in the rotary screen body 2 through crushing teeth 15 in the process of rotating the rotary screen body 2, sorting the refuse in the rotary screen body 2, enabling small-volume refuse to pass through the first sieve hole 6 and fall through a corresponding discharge hopper 13, enabling large-volume refuse to pass through the second sieve hole 9 and fall through the corresponding discharge hopper 13, enabling a positioning ring 16 on the outer wall of the rotary screen body 2 to rotate along a guide ring 18 in the process of rotating the rotary screen body 2, meanwhile, the balls 19 roll in the arc grooves 17, a rolling supporting structure is adopted, so that the rotation of the rotary screen body 2 is more stable and reliable, in the screening process, the induced draft fan 11 pumps out air in the shell 1 through the wall pipe 7 and the air suction pipe 8 and conveys the air into the deodorizing cavity 20 in the deodorizing box 12, the air flows from top to bottom, when the air passes through the activated carbon blocks 22 on the surfaces of the hollow partition plates 21, the activated carbon blocks 22 absorb the odor in the air, the air after the adsorption treatment is discharged through the exhaust pipe 24, the deodorizing function is realized, the pollution to the air is reduced, the sealing door 23 can be opened, the activated carbon blocks 22 are replaced regularly, then garbage falls into the corresponding collecting groove 25 in the collecting frame 14, the rotary screen body 2 collects the garbage, at the moment, because the collecting net bags 26 are hollow structures, the sewage in the garbage flows into the sewage tank 28 through the filter plate 27, and the sewage in the sewage tank 28 is discharged to the outside through the drain pipe 29, thereby facilitating the separation of the sewage for the subsequent treatment work.

Claims

1. The utility model provides a drum sieve for municipal refuse treatment, its characterized in that includes shell (1), drum sieve body (2), wall pipe (7), removes peculiar smell case (12) and active carbon piece (22), drum sieve body (2) rotate and install the inside at shell (1), just the surface of drum sieve body (2) has set gradually first sieve mesh (6), second sieve mesh (9), third sieve mesh (10), rotary driving spare (3) are installed to one side of shell (1), and rotary driving spare (3)'s output extends to the inside of shell (1) and with drum sieve body (2) fixed connection, be fixed with charge door (4) on the outer wall at shell (1) top, and one side of charge door (4) is fixed with pipe (5), and the one end of pipe (5) extends to the inside of shell (1) and communicates with drum sieve body (2), wall pipe (7) are installed on the top of shell (1), just the bottom of wall pipe (7) all is installed equidistant bottom of shell (8) and is fixed with the peculiar smell case (12) of removing peculiar smell case (12) in the inside of shell (1), and install blast pipe (24) on the peculiar smell removal case (12) outer wall of peculiar smell removal chamber (20) position department, blast pipe (24) and peculiar smell removal chamber (20) intercommunication, the inside in peculiar smell removal chamber (20) all is fixed with fretwork baffle (21), active carbon piece (22) set up the top at fretwork baffle (21), draught fan (11) are installed on the top of peculiar smell removal case (12), and the input of draught fan (11) is through pipeline and wall pipe (7) intercommunication, the below of shell (1) is provided with receipts work or material frame (14), just the inside of receipts work or material frame (14) all is provided with equidistant receipts silo (25), and the inside of receipts silo (25) is provided with receipts material string bag (26).

2. A drum screen for municipal waste treatment according to claim 1, wherein: the bottom ends of the shells (1) are all fixed with equidistant discharge hoppers (13).

3. A drum screen for municipal waste treatment according to claim 1, wherein: positioning rings (16) are fixed on the outer walls of the rotary screen bodies (2), and arc grooves (17) are formed in the outer walls of the positioning rings (16).

4. A drum screen for municipal waste treatment according to claim 1, wherein: the inner walls of the rotary screen bodies (2) are fixed with equally-spaced crushing teeth (15).

5. A drum screen for municipal waste treatment according to claim 3, wherein: guide rings (18) are fixed on the inner wall of the shell (1) at the position of the positioning ring (16), equidistant balls (19) are arranged in the guide rings (18), and one ends of the balls (19) extend to the inside of the arc grooves (17).

6. A drum screen for municipal waste treatment according to claim 1, wherein: the bottom of the material receiving frame (14) is provided with a sewage tank (28), and two outer walls of the bottom of the material receiving frame (14) are provided with a sewage drain pipe (29), and the sewage drain pipe (29) is communicated with the sewage tank (28).

7. A drum screen for municipal waste treatment according to claim 1, wherein: a sealing door (23) is arranged on the outer wall of the deodorizing box (12) above the exhaust pipe (24).

8. A drum screen for municipal waste treatment according to claim 1, wherein: a filter plate (27) is arranged at the bottom of the material collecting groove (25).