CN212982743U

CN212982743U - Sludge pretreatment device

Info

Publication number: CN212982743U
Application number: CN202021216235.1U
Authority: CN
Inventors: 方耀将; 周顺桂; 胡艺怀; 方耀宗; 林启耀
Original assignee: Xiamen Kexiangyuan Environmental Technology Co ltd
Current assignee: Xiamen Kexiangyuan Environmental Technology Co ltd
Priority date: 2020-06-28
Filing date: 2020-06-28
Publication date: 2021-04-16
Anticipated expiration: 2030-06-28

Abstract

The utility model relates to a sludge pretreatment device, it is including the pretreatment device who locates the discharge opening below of plate and frame filter press, and pretreatment device includes that the screen cloth that framework, a plurality of top-down set gradually and drive each screen cloth and carry out lateral vibration's drive arrangement, and the upper end and the lower extreme of framework set up respectively into feed inlet and discharge gate, and the aperture top-down of each screen cloth reduces in proper order, still is provided with the patting mechanism who is used for patting the screen cloth in the framework. The utility model has the advantages of fully carrying out crushing treatment on the sludge.

Description

Sludge pretreatment device

Technical Field

The utility model relates to a sludge treatment technical field, more specifically say, it relates to a sludge pretreatment device.

Background

The sludge treatment is to perform harmless processing processes such as concentration, regulation, dehydration, stabilization, drying or incineration on the sludge, and sewage entering a sewage treatment plant is treated and discharged after reaching the standard, but the sludge is still remained. With the continuous development of economy in China, the amount of industrial and urban domestic sewage is increased, the amount of sludge generated by sewage treatment plants is increased, and the sludge must be treated in time. In the sludge treatment process, a plate-and-frame filter press is used for dewatering sludge, the dewatered sludge treated by the plate-and-frame filter press is blocky and has high hardness, and the sludge is difficult to directly carry out the next treatment, so the next treatment can be carried out only by changing the shape and size of the sludge, and sludge pretreatment devices are various in types, but the treatment effect is poor, and the pretreatment effect is difficult to realize.

Chinese patent No. CN207002543U discloses a sludge pretreatment device, which comprises a plate-and-frame filter press and a pretreatment device disposed below a discharge port of the plate-and-frame filter press, wherein the pretreatment device comprises a plurality of pretreatment structures for pretreating sludge discharged from the plate-and-frame filter press, and each pretreatment structure extrudes sludge downwards and crushes the sludge in block form through the cooperation of a screw and a power input member.

The processing mode of cubic sludge fragmentation among the above-mentioned technical scheme is through multistage preliminary treatment structure to mud breakage, and preliminary treatment structure is carried mud downward extrusion step by step through the screw extrusion, though the mud volume that falls downwards diminishes gradually, however, in the extrusion, the mud piece will be more closely knit, be unfavorable for the processing in later stage, consequently need improve.

SUMMERY OF THE UTILITY MODEL

To the technical problem that has now, an object of the utility model is to provide a sludge pretreatment device, it has fully carries out broken handle's advantage to mud.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a sludge pretreatment device, is including locating the pretreatment device below the discharge opening of plate and frame filter press, pretreatment device includes that framework, a plurality of screen cloth that top-down set gradually and drive each screen cloth and carry out lateral vibration's drive arrangement, the upper end and the lower extreme of framework set up respectively into feed inlet and discharge gate, each the aperture top-down of screen cloth reduces in proper order.

Through adopting above-mentioned technical scheme, drive each screen cloth through setting up drive arrangement and will vibrate for fall to the sludge cake on the screen cloth will be shaken garrulously, and the breakage is less sludge cake and drops and carry out the secondary on the lower floor screen cloth and shake garrulously, shake garrulous and reduce the size of mud many times, discharge the sludge cake up to standard from the discharge gate at last, shake the pine through successive layer, the breakage forms less sludge cake whereabouts, thereby realize carrying out abundant broken handle to the sludge cake.

The utility model discloses further set up to: a plurality of stirring columns are arranged on each screen.

Through adopting above-mentioned technical scheme, through setting up the stirring post on the screen cloth, not only the screen cloth is broken to the sludge block, and the screen cloth stirs the post in transverse vibration and will strike the sludge block on the screen cloth to reach the effect broken once more to the sludge block, further make the sludge block broken.

The utility model discloses further set up to: each stirring column is arranged in a pyramid shape.

Through adopting above-mentioned technical scheme, through setting the stirring post to the pyramid form setting, utilize further breakage, the separation to the sludge cake that its edges and corners structure can be further.

The utility model discloses further set up to: the drive arrangement includes motor, carousel and connecting rod, the carousel is coaxial to be set up on the output of motor, the connecting rod rotates and sets up in the outside of carousel, the other end and each screen cloth of connecting rod are connected, and when motor drive carousel rotated, the carousel drove the connecting rod and rotates, the connecting rod drove screen cloth transverse vibration.

Through adopting above-mentioned technical scheme, drive each screen cloth through motor, carousel and connecting rod linkage effect and transversely shake simultaneously, realize carrying out broken purpose to the sludge cake.

The utility model discloses further set up to: the racket rods positioned below the screens are rotatably connected to one side of the frame body, positioning plates used for clamping the racket rods are arranged outside the frame body, and the positioning plates are positioned above the racket rods.

By adopting the technical scheme, the screen is upwards beaten by the beating rod arranged below the screen, part of sludge adhered to the screen is shaken, and sludge accumulation is avoided to block the meshes of the screen.

The utility model discloses further set up to: and a connecting rod for connecting the racket rods is arranged outside the frame body.

Through adopting above-mentioned technical scheme, set up the connecting rod so that control many clap sticks simultaneously.

The utility model discloses further set up to: the lower end of the connecting rod is coaxially provided with a cylinder.

Through adopting above-mentioned technical scheme, replace the operation of artifical pulling connecting rod through setting up the cylinder, further reduce staff's intensity of labour.

The utility model discloses further set up to: each racket rod is provided with a plurality of supporting rods.

Through adopting above-mentioned technical scheme, will make each region of the screen cloth that beats that the pole can be more even through setting up branch for beat more abundant.

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

(1) through a pretreatment device below a discharge opening of the plate-and-frame filter press, the pretreatment device comprises a frame body, a plurality of screen meshes and a driving device, the aperture of each screen mesh is sequentially reduced from top to bottom, and the driving device drives the screen meshes to fully disperse sludge blocks so that the treated sludge blocks reach the size of a preset requirement;

(2) through all being provided with the rapping bar under each screen cloth, each rapping bar outer end is connected with the connecting rod, and the connecting rod moves under the drive of cylinder to drive the rapping bar and pat the screen cloth, avoid mud to with the sieve mesh of screen cloth.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic diagram of the explosion structure of the present invention.

Reference numerals: 1. a plate-and-frame filter press; 2. a pretreatment device; 3. a frame body; 4. screening a screen; 5. a drive device; 51. a motor; 52. a turntable; 53. a connecting rod; 6. a feed inlet; 7. a discharge port; 8. a stirring column; 9. a racket shaft; 10. positioning a plate; 11. a connecting rod; 12. a cylinder; 13. a strut; 14. a flapping mechanism.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, fig. 2 shows, for the utility model discloses a sludge pretreatment device, including the pretreatment device 2 of the discharge opening below of locating plate and frame filter press 1, pretreatment device 2 includes framework 3, the screen cloth 4 that a plurality of top-down set gradually and drives each screen cloth 4 and carry out lateral vibration's drive arrangement 5, framework 3's upper end and lower extreme set up respectively to feed inlet 6 and discharge gate 7, each screen cloth 4's aperture top-down reduces in proper order, still is provided with the patting mechanism 14 that is used for patting screen cloth 4 in the framework 3.

Drive arrangement 5 includes motor 51, carousel 52 and connecting rod 53, carousel 52 is coaxial to be set up on motor 51's output, connecting rod 53 rotates and sets up in the outside of carousel 52, connecting rod 53 length direction sets up with carousel 52 is perpendicular, the other end of connecting rod 53 is connected with each screen cloth 4, when motor 51 drive carousel 52 rotates, carousel 52 drives connecting rod 53 and rotates, connecting rod 53 drives screen cloth 4 lateral vibration, at this moment, mud takes place the breakage under self action of gravity and the vibration of screen cloth 4, the less mud of particle diameter drops and vibrates the dispersion once more on lower floor's screen cloth 4 after the breakage.

Further, all be provided with a plurality of stirring posts 8 on each screen cloth 4, each stirring post 8 all is the pyramid form setting, and the dispersion sludge piece that will further pat.

The flapping mechanism 14 comprises flapping rods 9, supporting rods 13, a connecting rod 11 and an air cylinder 12, wherein each flapping rod 9 is rotatably connected to one side of the frame body 3 and is positioned below each screen 4, each flapping rod 9 is also provided with a plurality of supporting rods 13, a positioning plate 10 used for clamping each flapping rod 9 is arranged outside the frame body 3, each positioning plate 10 is positioned above the flapping rods 9, the connecting rod 11 connects each flapping rod 9, the connecting rod 11 is rotatably connected with the joint of each flapping rod 9, the lower end of the connecting rod 11 is connected with the air cylinder 12, and the air cylinder 12 drives the connecting rod 11 to move.

The implementation principle of the embodiment is as follows: when the plate-and-frame filter press 1 starts to discharge sludge onto the pretreatment device 2, the driving device 5 is started to drive the rotating disc 52 to rotate, the rotating disc drives each screen 4 to vibrate in a reciprocating manner under the action of the connecting rod 53, and the air cylinder 12 can be started by workers to beat each screen 4 periodically.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A sludge pretreatment device is characterized in that: including preprocessing device (2) of the discharge opening below of locating plate and frame pressure filter (1), preprocessing device (2) include screen cloth (4) that framework (3), a plurality of top-down set gradually and drive each screen cloth (4) carry out lateral vibration's drive arrangement (5), the upper end and the lower extreme of framework (3) set up respectively into feed inlet (6) and discharge gate (7), each the aperture top-down of screen cloth (4) reduces in proper order.

2. The sludge pretreatment apparatus according to claim 1, characterized in that: each screen (4) is provided with a plurality of stirring columns (8).

3. The sludge pretreatment apparatus according to claim 2, characterized in that: each stirring column (8) is arranged in a pyramid shape.

4. The sludge pretreatment apparatus according to claim 1, characterized in that: drive arrangement (5) include motor (51), carousel (52) and connecting rod (53), carousel (52) coaxial setting is on the output of motor (51), connecting rod (53) rotate and set up in the outside of carousel (52), the other end and each screen cloth (4) of connecting rod (53) are connected, and when motor (51) drive carousel (52) rotated, carousel (52) drive connecting rod (53) rotate, connecting rod (53) drive screen cloth (4) transverse vibration.

5. The sludge pretreatment apparatus according to claim 1, characterized in that: the racket rods (9) positioned below the screens (4) are rotatably connected to one side of the frame body (3), positioning plates (10) used for clamping the racket rods (9) are arranged outside the frame body (3), and the positioning plates (10) are positioned above the racket rods (9).

6. The sludge pretreatment apparatus according to claim 5, characterized in that: and a connecting rod (11) for connecting each racket rod (9) is arranged outside the frame body (3).

7. The sludge pretreatment apparatus according to claim 6, characterized in that: the lower end of the connecting rod (11) is coaxially provided with a cylinder (12).

8. The sludge pretreatment apparatus according to claim 7, characterized in that: a plurality of support rods (13) are arranged on each racket rod (9).