CN220090588U

CN220090588U - Mud scraping equipment

Info

Publication number: CN220090588U
Application number: CN202321394341.2U
Authority: CN
Inventors: 段成凯; 黄慧; 刘明贵; 刘浩; 刘铭; 顾磊
Original assignee: Wuhan Tianyuan Environmental Protection Equipment Manufacturing Co ltd
Current assignee: Wuhan Tianyuan Environmental Protection Equipment Manufacturing Co ltd
Priority date: 2023-06-01
Filing date: 2023-06-01
Publication date: 2023-11-28
Anticipated expiration: 2033-06-01

Abstract

The utility model relates to the technical field of sewage treatment, in particular to mud scraping equipment; the sludge scraping device comprises a transmission frame, a driving module and a sludge scraping frame, wherein the transmission frame can be arranged in a sludge pond when the sludge scraping device is used for scraping sludge, the driving module is connected with the transmission frame and can drive the transmission frame to rotate, the sludge scraping frame is fixed on the transmission frame, the sludge scraping frame can be driven to rotate when the transmission frame rotates, and the sludge scraping frame can scrape sludge on the bottom wall of the sludge pond through rotation, so that the sludge inside the sludge pond is conveniently discharged; because the mud scraping equipment still sets up stirring module, stirring module is through setting up a plurality of stirring framves, and the stirring frame interval sets up and is fixed in and scrapes the mud frame, scrapes the mud frame and rotate the time, can drive each stirring frame and rotate, and then to the stirring of mud bottom mud of the mud pond, through the stirring effect of each stirring frame, and then is favorable to the separation of water and mud granule, effectively promotes the mud concentration, accelerates the subsidence of mud, improves and scrapes mud and blowdown efficiency.

Description

Mud scraping equipment

Technical Field

The utility model relates to the technical field of sewage treatment, in particular to mud scraping equipment.

Background

The sludge scraping device is mainly used in circular sedimentation tanks with larger diameters in urban sewage treatment plants, running water plants and industrial wastewater treatment to remove sludge settled at the bottom of the tank.

The utility model discloses a mud scraper as publication No. CN109771993A, including motor, speed reducer and rotation axis, the bottom of rotation axis is equipped with a plurality of harrows with the bottom of the pool adaptation, and the motor passes through the speed reducer and drives the rotation axis and rotate, and then drives the harrow and rotate, and then realizes scraping mud to the mud pond, makes things convenient for the discharge of mud in the mud pond.

Although the existing sludge scraping equipment can facilitate the discharge of sludge through the sludge scraping effect on the sludge in the sludge pond, the sludge scraping machine has low sewage discharge efficiency due to the slower sedimentation rate of the sludge.

Disclosure of Invention

The utility model aims to overcome the technical defects, and provides mud scraping equipment, which solves the technical problem of low sewage discharge efficiency of the mud scraping equipment in the prior art.

In order to achieve the technical purpose, the technical scheme of the utility model provides mud scraping equipment, which comprises:

a transmission frame;

the driving module is connected with the transmission frame and used for driving the transmission frame to rotate;

the mud scraping frame is fixed on the transmission frame and is used for scraping mud from the bottom wall of the sludge pond through rotation of the transmission frame;

the stirring module comprises a plurality of stirring frames, and each stirring frame is arranged at intervals and fixed on the mud scraping frame and is used for stirring the mud at the bottom of the mud tank through rotation of the mud scraping frame;

the balance frame is fixed on the transmission frame and is vertical to the mud scraping frame;

and two ends of the connecting rope are respectively fixed on the balance frame and the mud scraping frame of the scraper frame.

Optionally, the stirring frame comprises stirring rods, the lower end of each stirring rod is fixed on the sludge scraping frame, and the upper end of each stirring rod extends in a direction away from the bottom wall of the sludge pond.

Optionally, the mud scraping frame includes fixed arm and a plurality of mud scraping plates, the fixed arm is fixed in the drive frame and with the drive frame is the contained angle setting, each mud scraping plate interval sets up, and each mud scraping plate is used for through the rotation of fixed arm is right mud scraping is carried out to the diapire of mud pond.

Optionally, a rubber scraper is fixed at one end of each scraper close to the bottom wall of the sludge pool.

Optionally, the fixed arm includes underframe, connecting rod and a plurality of connecting rib, the underframe with the connecting rod all be fixed in the drive frame and with the same direction orientation keep away from the direction of drive frame extends, each connecting rib both ends all be fixed in the connecting rod with the underframe respectively, each scraper blade all be fixed in the underframe.

Optionally, the sludge scraping frame further comprises a scraper, the scraper is fixed on the fixed arm, and the scraper is used for scraping sludge through the rotation of the fixed arm to the sludge discharge port of the bottom wall of the sludge pond.

Optionally, the mud scraping device further comprises a balance frame and a connecting rope, wherein the balance frame is fixed on the transmission frame and is perpendicular to the mud scraping frame, and two ends of the connecting rope are respectively fixed on the balance frame and the mud scraping frame of the scraper frame.

Optionally, the mud scraping frame further comprises an adjusting piece, the adjusting piece comprises a first connecting sleeve, a second connecting sleeve, a first connecting arm and a second connecting arm, the first connecting sleeve and the second connecting sleeve are sleeved on the fixed arm, one end of the first connecting arm is hinged to the first connecting sleeve, one end of the second connecting arm is hinged to the other end of the first connecting arm, the other end of the second connecting arm is hinged to the second connecting sleeve, and the scraper is connected with the first connecting arm and is fixed to the fixed arm through the first connecting arm.

Optionally, the drive frame includes fixing base and transmission shaft, the fixing base is used for fixed connection the diapire of mud pond, the one end rotation of transmission shaft connect in the fixing base, the other end of transmission shaft is towards keeping away from the direction of the diapire of mud pond extends, scrape mud frame be fixed in the transmission shaft is connected the one end of fixing base, drive module with the transmission shaft is connected, is used for the drive the transmission shaft rotates.

Optionally, the sludge scraping device further comprises a pavement frame, wherein the two ends of the pavement frame are straddled with the sludge pool, the pavement frame is provided with a traveling surface extending to the two ends, and the end parts of the traveling surface incline towards the bottom wall direction of the sludge pool.

Optionally, the sludge scraping device further comprises a water inlet cylinder, wherein the water inlet cylinder is enclosed in the transmission frame and is used for supplying water to the sludge pond.

Compared with the prior art, the mud scraping equipment provided by the utility model has the beneficial effects that: through setting up drive frame, drive module and mud scraping frame, when scraping the mud work, can be with the drive frame setting up in the mud pond, drive module is connected with the drive frame, can drive the drive frame and rotate, and the mud scraping frame is fixed in the drive frame, and when the drive frame rotated, can drive the mud scraping frame and rotate, and the mud scraping frame is through rotating, can scrape mud to the diapire of mud pond, and then makes things convenient for the discharge of mud inside the mud pond; because the mud scraping equipment still sets up stirring module, stirring module is through setting up a plurality of stirring framves, and the stirring frame interval sets up and is fixed in and scrapes the mud frame, scrapes the mud frame and rotate the time, can drive each stirring frame and rotate, and then to the stirring of mud bottom mud of the mud pond, through the stirring effect of each stirring frame, and then is favorable to the separation of water and mud granule, effectively promotes the mud concentration, accelerates the subsidence of mud, improves and scrapes mud and blowdown efficiency.

Drawings

Fig. 1 is a schematic structural diagram of a mud scraping device according to an embodiment of the present utility model.

Fig. 2 is a partial enlarged view at a in fig. 1.

Fig. 3 is a schematic structural view of an adjusting member and a scraper of the mud scraping apparatus according to the embodiment of the present utility model.

Fig. 4 is a use state diagram of the mud scraping device provided by the embodiment of the utility model.

Wherein, each reference sign in the figure:

10-driving frame 11-fixing seat 12-driving shaft

20-mud scraping frame 21-fixing arm 22-mud scraping plate

23-scraper 24-regulating member 30-stirring module

31-stirring rack 40-balancing rack 50-connecting rope

60-oblique stay rope 70-pavement frame 71-pavement surface

80-water inlet tube 121-connecting box 211-bottom frame

212-connecting rod 213-connecting bar 221-rubber scraper

241-first connecting sleeve 242-second connecting sleeve 243-first connecting arm

244-second connecting arm 311-stirring rod 10 a-sludge pond

11 a-a mud discharge port 12 a-a support seat.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

The utility model provides mud scraping equipment, which is shown in figures 1-2 and 4, and comprises a transmission frame 10, a driving module (not marked in the figure) and a mud scraping frame 20, wherein the driving module is connected with the transmission frame 10 and is used for driving the transmission frame 10 to rotate; the sludge scraping frame 20 is fixed to the transmission frame 10, and the sludge scraping frame 20 is used for scraping sludge on the bottom wall of the sludge pond 10a through rotation of the transmission frame 10.

Specifically, when sewage treatment is carried out, sewage is led into the sludge tank 10a through the sewage pipe, heavy sludge is gradually deposited to the bottom wall of the sludge tank 10a, clean water is formed at the upper part of the sludge tank 10a, sludge scraping equipment is used for scraping the sludge deposited to the bottom wall of the sludge tank 10a to a sludge discharge opening 11a of the bottom wall of the sludge tank 10a and is discharged through the sludge discharge opening 11a, the driving frame 10 can be arranged in the sludge tank 10a when the sludge scraping equipment is used for scraping the sludge by arranging the driving frame 10, the driving module is connected with the driving frame 10, the driving frame 10 can be driven to rotate, the sludge scraping frame 20 is fixed to the driving frame 10, and when the driving frame 10 rotates, the sludge scraping frame 20 can scrape the sludge on the bottom wall of the sludge tank 10a by rotating, so that the sludge inside the sludge tank 10a is conveniently discharged.

In this embodiment, as shown in fig. 3, the sludge tank 10a is a cylindrical tank body, a sludge discharge port 11a and a supporting seat 12a are provided in the middle of the bottom wall of the sludge tank 10a, and the sludge scraping frame 20 can guide the sludge in the bottom wall of the sludge tank 10a toward the sludge discharge port 11a by rotating, and finally discharge the sludge from the sludge discharge port 11a.

In this embodiment, as shown in fig. 1-2 and 4, the sludge scraping device further includes a stirring module 30, where the stirring module 30 includes a plurality of stirring frames 31, and each stirring frame 31 is disposed at intervals and fixed on the sludge scraping frame 20, and is configured to stir sludge at the bottom of the sludge tank 10a by rotating the sludge scraping frame 20.

Specifically, because the mud scraping equipment still sets up stirring module 30, stirring module 30 is through setting up a plurality of stirring framves 31, and stirring frame 31 interval sets up and is fixed in and scrapes mud frame 20, and when scraping mud frame 20 rotated, can drive each stirring frame 31 and rotate, and then to the stirring of mud in mud pond 10a bottom mud, through the stirring effect of each stirring frame 31, and then be favorable to the separation of water and mud granule, effectively promote mud concentration, the concentration subsidence of accelerating mud effectively improves and scrapes mud and blowdown efficiency.

It will be appreciated that the transmission frame 10 may be any frame structure capable of being fixed by the mud scraping frame 20 and driven by the driving module.

In this embodiment, as shown in fig. 1-2 and 4, the transmission frame 10 includes a fixing seat 11 and a transmission shaft 12, the fixing seat 11 is used for fixedly connecting with the bottom wall of the sludge pond 10a, one end of the transmission shaft 12 is rotatably connected with the fixing seat 11, the other end of the transmission shaft 12 extends towards the direction far away from the bottom wall of the sludge pond 10a, the sludge scraping frame 20 is fixed on one end of the transmission shaft 12 connected with the fixing seat 11, and the driving module is connected with the transmission shaft 12 and used for driving the transmission shaft 12 to rotate. Specifically, the transmission frame 10 is fixed on the supporting seat 12a of the bottom wall of the sludge pond 10a through the fixing seat 11, and is supported through the supporting seat 12a, the driving module drives the sludge scraping frame 20 to rotate through driving the transmission shaft 12, so that sludge scraping of the sludge scraping frame 20 to the bottom wall of the sludge pond 10a is realized, and the transmission frame 10 can be stably supported through the supporting seat 12a through the setting of the fixing seat 11, so that the stability of sludge scraping equipment is improved.

In this embodiment, in order to improve the mud scraping efficiency of the mud scraping frame 20, as shown in fig. 1-2 and 4, the number of the mud scraping frames 20 is two, the lower end of the transmission shaft 12 is fixed with a connection box 121, one ends of the two mud scraping frames 20 are fixed on two opposite side walls of the connection box 121, and the other ends of the two mud scraping frames 20 extend towards the side wall direction of the sludge pond 10 a.

In this embodiment, in order to reduce the mud scraping resistance, the mud is conveniently guided to the mud discharging opening 11a, as shown in fig. 1-2 and 4, the mud scraping frame 20 includes a fixing arm 21 and a plurality of mud scraping plates 22, the fixing arm 21 is fixed on the transmission frame 10 and is disposed at an included angle with the transmission frame 10, the mud scraping plates 22 are disposed at intervals and fixed on the fixing arm 21, and each mud scraping plate 22 is used for scraping mud from the bottom wall of the mud pit 10a through the rotation of the fixing arm 21. Specifically, when the transmission frame 10 rotates, the fixing arm 21 is driven to rotate, so that the plurality of mud scraping plates 22 are driven to scrape mud on the bottom wall of the sludge pond 10a, and in the mud scraping process of the mud scraping plates 22, the mud can pass through gaps among the mud scraping plates 22, so that the resistance of the mud received by the mud scraping frame 20 can be reduced.

In this embodiment, as shown in fig. 1-2 and 4, the sludge is scraped to the inner side by the sludge scraping plates 22 on the outer side, and then is further guided to the sludge discharge port 11a by the sludge scraping plates 22 on the inner side, finally flows to the sludge scraping plates 22 near the sludge discharge port 11a under the sequential guiding of the sludge by the sludge scraping plates 22, and finally is scraped to the sludge discharge port 11a by the sludge scraping plates 22 near the sludge discharge port 11a.

In this embodiment, further, as shown in fig. 1-2 and 4, a rubber scraper 221 is fixed to one end of each scraper 22 near the bottom wall of the sludge tank 10 a. Specifically, the rubber blade 221 can make the end surface of the scraper 22 closely adhere to the bottom wall of the sludge tank 10a while avoiding abrasion of the scraper 22 to the bottom wall of the sludge tank 10a by elastic contact with the bottom wall of the sludge tank 10a, thereby improving the sludge scraping effect.

In this embodiment, as shown in fig. 1-2 and 4, the fixing arm 21 includes a bottom frame 211, a connecting rod 212 and a plurality of connecting ribs 213, the bottom frame 211 and the connecting rod 212 are both fixed on the transmission frame 10 and extend in the same direction in a direction away from the transmission frame 10, two ends of each connecting rib 213 are both fixed on the connecting rod 212 and the bottom frame 211, and each scraper 22 is fixed on the bottom frame 211. Specifically, the fixed arm 21 can ensure the self strength of the fixed arm 21 on one hand and prevent the fixed arm 21 from deforming under the action of the mud scraping resistance by arranging the bottom frame 211, the connecting rod 212 and the connecting ribs 213, and on the other hand, the fixed arm 21 can form a hollow structure so as to reduce the mud scraping resistance of the fixed arm 21.

In this embodiment, as shown in fig. 1-2 and 4, the sludge scraping frame 20 further includes a scraper 23, the scraper 23 is fixed on the fixed arm 21, and the scraper 23 is configured to scrape sludge through the sludge discharge opening 11a of the bottom wall of the sludge pond 10a by rotating the fixed arm 21. Specifically, in the rotation process of the fixed arm 21, the scraper 23 can be driven to rotate, and the scraper 23 can scrape mud on the side wall of the mud discharging port 11a and the side wall of the supporting seat 12a through rotation, so that the mud is conveniently discharged.

In this embodiment, further, as shown in fig. 1-2 and 4, scraping strips are disposed on two sides of the scraper 23, and the length and angle of the scraping strips can be adaptively set according to the angles of the side wall of the supporting seat 12a and the side wall of the sludge discharge port 11a. In the rotating process of the scraper 23, the side wall of the mud discharging opening 11a and the side wall of the supporting seat 12a can be scraped by the scraping strips at two sides.

In this embodiment, as shown in fig. 3, the mud scraping frame further includes an adjusting member, the adjusting member includes a first connecting sleeve 241, a second connecting sleeve 242, a first connecting arm 243 and a second connecting arm 244, the first connecting sleeve 241 and the second connecting sleeve 242 are sleeved on the fixed arm 21 and fixedly connected with the fixed arm 21, one end of the first connecting arm 243 is hinged with the first connecting sleeve 241, one end of the second connecting arm 244 is hinged with the other end of the first connecting arm 243, the other end of the second connecting arm 244 is hinged with the second connecting sleeve 242, and the scraper is connected with the first connecting arm 243 and is fixed on the fixed arm 21 through the first connecting arm 243. Specifically, through the arrangement, the angle of the first connecting arm 243 and the angle of the second connecting arm 244 can be adjusted by sliding the first connecting sleeve 241 or the second connecting sleeve 242, and the angle of the scraper 23 can be adjusted to adapt to the scraper

It can be appreciated that the first connecting sleeve 241 and the second connecting sleeve 242 can be fixed on the fixed arm 21 by a bayonet lock, and the bayonet lock is only required to be detached when the angle of the scraper 23 needs to be adjusted.

It will be appreciated that the drive module may be a motor and a decelerator, or a combination of a motor and a belt.

In this embodiment, as shown in fig. 1 to 2 and 4, the stirring frame 31 includes stirring rods 311, the lower ends of the stirring rods 311 are fixed to the sludge scraping frame 20, and the upper ends of the stirring rods 311 extend in a direction away from the bottom wall of the sludge tank 10 a. Specifically, during the rotation of the sludge scraping frame 20, each stirring rod 311 is driven to stir the sludge at the bottom of the sludge pond 10a, so as to improve the concentration effect of the sludge and accelerate the sedimentation of the sludge.

In this embodiment, as shown in fig. 1-2 and 4, one end of the stirring rod 311 is fixed to the bottom frame 211 and the connecting rod 212, and the other end of the stirring rod 311 extends in a direction away from the bottom wall of the sludge tank 10 a. By this arrangement, the connection of the stirring rod 311 and the mud scraping frame 20 can be stabilized, and the structure of the mud scraping frame 20 can be further reinforced.

In this embodiment, as shown in fig. 1-2 and 4, the mud scraping device further includes a balancing stand 40 and a connecting rope 50, the balancing stand 40 is fixed on the transmission stand 10 and is perpendicular to the mud scraping stand 20, and two ends of the connecting rope 50 are respectively fixed on the balancing stand 40 and the scraper 23 stand. Specifically, when the transmission frame 10 rotates, the mud scraping frame 20 and the balance frame 40 can be driven to rotate simultaneously, the balance frame 40 is vertically arranged with the mud scraping frame 20, so that the rotation of the mud scraping frame 20 can be effectively balanced, the balance frame 40 is further connected with the balance frame 40 through the connecting rope 50, the horizontal stress of the mud scraping process of the mud scraping frame 20 can be balanced, and the deformation of the mud scraping frame 20 is avoided.

In this embodiment, as shown in fig. 1-2 and 4, the number of the balancing stand 40 is 2.

In this embodiment, as shown in fig. 1-2 and 4, the mud scraping device further includes a plurality of inclined pull ropes 60, one end of each inclined pull rope 60 is fixed on the connecting rod 212 and the balance frame 40, the other end of each inclined pull rope 60 is fixed on the transmission shaft 12, and the inclined pull ropes 60 can provide upward tension force for the mud scraping frame 20 and the balance frame 40, so as to further strengthen the connection between the mud scraping frame 20 and the balance frame 40 and the transmission frame 10.

In this embodiment, as shown in fig. 1 and 3, the sludge scraping apparatus further includes a walkway 70, both ends of the walkway 70 straddling the sludge tank 10a, the walkway 70 being provided with walking surfaces 71 extending to both ends, the ends of the walking surfaces 71 being inclined toward the bottom wall of the sludge tank 10 a. Specifically, when the sludge scraping device is installed, the walking frame 70 can be erected on the sludge pond 10a and supported by the sludge pond 10a, the walking surface 71 of the walking frame 70 can be used for walking by people, convenience is provided for observing the working state of the sludge scraping device and the state of the sludge pond 10a, and the end part of the walking surface 71 is inclined towards the bottom wall direction of the sludge pond 10a, so that the walking surface 71 can form an inclined surface which is inclined downwards, the drainage of the walking surface 71 is facilitated, and the phenomenon that the walking frame 70 forms water accumulation is avoided.

In this embodiment, the inclination of the walking surface 71 should not be too large for the convenience of walking.

In this embodiment, further, the drive module includes a motor fixed to the walkway frame 70 and a decelerator connected to the drive shaft 12 and a shaft of the motor. When the motor is started, the transmission shaft 12 is driven to rotate, the transmission shaft 12 drives the balance frame 40 and the mud scraping frame 20 to rotate through rotation, and the mud scraping frame 20 can drive the scraper 23 and each mud scraping plate 22 to scrape mud on the bottom wall, the side wall of the mud hole and the side wall of the supporting seat 12a of the mud pond 10a to the mud discharging hole 11a through rotation.

In this embodiment, as shown in fig. 1 and 3, the sludge scraping apparatus further includes a water inlet cylinder 80, and the water inlet cylinder 80 is enclosed in the transmission frame 10 for water inlet of the sludge tank 10 a. Specifically, when sewage treatment is performed, the sewage pipe leads sewage into the sludge tank 10a by extending into the water inlet cylinder 80, so that most of sludge is concentrated on the peripheral side of the transmission frame 10, and finally, the sludge can directly fall into the sludge discharge port 11a through sedimentation, thereby increasing the discharge efficiency of the sludge.

In this embodiment, the water inlet tube 80 is fixed to the walkway frame 70.

The above-described embodiments of the present utility model do not limit the scope of the present utility model. Any other corresponding changes and modifications made in accordance with the technical idea of the present utility model shall be included in the scope of the claims of the present utility model.

Claims

1. A mud scraping apparatus, comprising:

a transmission frame;

and the two ends of the connecting rope are respectively fixed on the balance frame and the mud scraping frame.

2. The sludge scraping apparatus as claimed in claim 1, wherein the stirring frame includes stirring bars, a lower end of each stirring bar is fixed to the sludge scraping frame, and an upper end of each stirring bar extends in a direction away from a bottom wall of the sludge tank.

3. The sludge scraping apparatus as claimed in claim 1, wherein the sludge scraping frame comprises a fixed arm and a plurality of sludge scraping plates, the fixed arm is fixed to the driving frame and is disposed at an angle with the driving frame, the sludge scraping plates are disposed at intervals, and each sludge scraping plate is configured to scrape sludge from a bottom wall of the sludge pond by rotation of the fixed arm.

4. A sludge scraping apparatus as claimed in claim 3, wherein each of the sludge scraping plates is fixed with a rubber scraper at one end thereof adjacent to the bottom wall of the sludge tank.

5. A mud scraping apparatus according to claim 3, wherein the fixing arm comprises a base frame, a connecting rod and a plurality of connecting ribs, the base frame and the connecting rod are both fixed to the transmission frame and extend in the same direction in a direction away from the transmission frame, both ends of each connecting rib are both fixed to the connecting rod and the base frame, and each mud scraper is fixed to the base frame.

6. A sludge scraping apparatus as claimed in claim 3, wherein the sludge scraping frame further comprises a scraper fixed to the fixed arm, the scraper being adapted to scrape the sludge from the sludge discharge opening of the bottom wall of the sludge basin by rotation of the fixed arm.

7. The mud scraping apparatus of claim 6, wherein the mud scraping frame further comprises an adjusting member including a first connecting sleeve, a second connecting sleeve, a first connecting arm and a second connecting arm, the first connecting sleeve and the second connecting sleeve are sleeved on the fixing arm, one end of the first connecting arm is hinged to the first connecting sleeve, one end of the second connecting arm is hinged to the other end of the first connecting arm, the other end of the second connecting arm is hinged to the second connecting sleeve, and the scraper is connected with the first connecting arm and is fixed to the fixing arm through the first connecting arm.

8. The sludge scraping device according to any one of claims 1 to 7, wherein the transmission frame comprises a fixing seat and a transmission shaft, the fixing seat is used for being fixedly connected with the bottom wall of the sludge pond, one end of the transmission shaft is rotatably connected with the fixing seat, the other end of the transmission shaft extends in a direction away from the bottom wall of the sludge pond, the sludge scraping frame is fixed on one end of the transmission shaft connected with the fixing seat, and the driving module is connected with the transmission shaft and used for driving the transmission shaft to rotate.

9. The sludge scraping apparatus as claimed in any one of claims 1 to 7, further comprising a walkway frame, wherein both ends of the walkway frame are straddled with the sludge pond, the walkway frame is provided with walking surfaces extending to both ends, and ends of the walking surfaces are inclined toward a bottom wall direction of the sludge pond.

10. The sludge scraping apparatus as claimed in claim 9, further comprising a water inlet cylinder enclosed in the driving frame for water inlet of the sludge tank.