Mud scraper for wastewater treatment

Abstract

The utility model relates to the technical field of wastewater treatment, and discloses a sludge scraper for wastewater treatment, which comprises a sewage barrel, a cleaning component is arranged in the sewage barrel, and a stirring component is arranged on one side of the sewage barrel; the cleaning assembly comprises a rotating column, the rotating column is connected with a fixing block, a large sliding rod is embedded in the fixing block, a sliding groove is formed in the large sliding rod, a small sliding rod is embedded in the sliding groove, and the small sliding rod is connected with a scraping plate; the stirring assembly comprises a stirring barrel, a stirring rod is embedded in the stirring barrel, the stirring rod is sleeved with a sliding block, the sliding block is connected with a connecting column, the connecting column is connected with a supporting column, and the supporting column is connected with an impeller. The problems that in the using process, sludge attached to the inner wall cannot be cleaned, and waste water is not cured are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to wastewater treatment technical field, concretely is a mud scraper for wastewater treatment. BACKGROUND

[0002] Wastewater treatment, also known as sewage treatment, is the process of removing impurities from wastewater to prevent it from polluting aquifers or natural bodies of water such as rivers, lakes, estuaries, and oceans.

[0003] The Chinese public patent number: CN221579792U discloses a sewage mud scraping machine, which comprises a mud scraping device arranged on a sedimentation tank, the mud scraping device comprising a main beam component, a driving device, a flow stabilizing cylinder and a transmission shaft, the main beam component being fixedly arranged on the top of the sedimentation tank, a mud collecting groove being arranged in the sedimentation tank, the bottom of the transmission shaft being provided with a cleaning mechanism for scraping the dirt adhered to the inner wall of the mud collecting groove, the cleaning mechanism comprising a groove body and a housing. During use, the scraper installed outside the mounting piece will rotate and move with the use of the mud scraping machine and the start of the first motor and the second motor, and the dirt adhered to the inner wall of the mud collecting groove will be scraped by the end of the scraper that is in close contact with the inner wall, preventing the dirt on the inner wall from affecting the normal collection and discharge efficiency of the sludge and the operation of the equipment, and improving the practicability of the mud scraping machine.

[0004] The prior art can clean the internal sludge, but only the sludge deposited on the bottom can be cleaned during use, the sludge adhering to the inner wall cannot be cleaned, the sludge on the inner wall may gradually accumulate to form a thick sludge layer, reducing the wastewater treatment efficiency, leading to incomplete cleaning, and the cleaned wastewater sludge is directly discharged without solidification treatment, causing environmental pollution, polluting the water body, seriously affecting the water quality, not fully utilizing the valuable components in the sludge, and increasing the subsequent wastewater treatment cost. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a mud scraper for wastewater treatment to solve the problems in the prior art that only the sludge deposited on the bottom can be cleaned during use, the sludge adhering to the inner wall cannot be cleaned, the sludge on the inner wall may gradually accumulate to form a thick sludge layer, reducing the wastewater treatment efficiency, leading to incomplete cleaning, the cleaned wastewater sludge is directly discharged without solidification treatment, causing environmental pollution, polluting the water body, seriously affecting the water quality, not fully utilizing the valuable components in the sludge, and increasing the subsequent wastewater treatment cost.

[0006] To solve the above technical problems, the utility model provides technical scheme as follows: a mud scraper for wastewater treatment, including sewage bucket the inside of sewage bucket is provided with cleaning assembly, one side of sewage bucket is provided with stirring assembly;

[0007] The cleaning assembly includes a rotating column, and the rotating column is rotatably embedded in the inside of the sewage bucket, a plurality of fixed blocks are fixedly connected to the outer surface of the rotating column, a large sliding rod is slidably embedded in the inside of each of the plurality of fixed blocks, a sliding groove is arranged in the inside of each of the plurality of large sliding rods, a small sliding rod is slidably embedded in the inside of each of the plurality of sliding grooves, and a scraper is fixedly connected to one side of the outer surface of each of the plurality of small sliding rods.

[0008] The stirring assembly includes a stirring barrel, and a stirring rod is rotatably embedded in the inside of the stirring barrel, a sliding block is slidably sleeved to the outer surface of the stirring rod, a plurality of connecting columns are fixedly connected to the outer surface of the sliding block, a support column is fixedly connected to the outer surface of each of the plurality of connecting columns, and an impeller is fixedly connected to one side of the support column away from the connecting column.

[0009] Preferably, a large limiting plate is fixedly connected to one side of the outer surface of each of the plurality of large sliding rods, a spring is wound and sleeved to the outer surface of each of the plurality of large sliding rods, and a small limiting plate is fixedly connected to one side of the outer surface of each of the plurality of small sliding rods.

[0010] Preferably, a connecting rod is fixedly connected to the bottom of the outer surface of the rotating column, a helical blade is fixedly connected to the outer surface of the connecting rod, and a plurality of rotating plates are fixedly connected to the outer surface of the rotating column.

[0011] Preferably, a first transmission pulley is rotatably embedded in the inside of the sewage bucket, a first power pulley is rotatably embedded in the inside of the sewage bucket, a first belt is wound and sleeved to the outer surface of the first power pulley, the first belt is wound and sleeved to the outer surface of the first transmission pulley on one side away from the first power pulley, one side of the outer surface of the rotating column is fixedly connected with the first transmission pulley, one side of the outer surface of the sewage bucket is fixedly connected with a motor box, a first motor is arranged on one side of the outer surface of the motor box, and the output shaft of the first motor is fixedly connected with the first power pulley.

[0012] Preferably, a plurality of threaded holes are arranged in the inside of the stirring rod, a bolt is threadedly embedded in the inside of the sliding block, and the bolt is threadedly connected in the inside of the threaded hole and penetrates through the sliding block.

[0013] Preferably, the inside rotation of the stirring barrel is embedded with a second transmission belt disc, the inside rotation of the stirring barrel is embedded with a second power belt disc, and the outer surface of the second power belt disc is wrapped with a second belt, the side of the second belt away from the second power belt disc is wrapped on the outer surface of the second transmission belt disc, the top of the outer surface of the motor plate is fixedly connected with a second motor, and the output shaft of the second motor is fixedly connected with the second power belt disc, and one side of the outer surface of the stirring rod is fixedly connected with the second transmission belt disc.

[0014] Preferably, the inside rotation of the stirring barrel is embedded with a second transmission belt disc, the inside rotation of the stirring barrel is embedded with a second power belt disc, and the outer surface of the second power belt disc is wrapped with a second belt, the side of the second belt away from the second power belt disc is wrapped on the outer surface of the second transmission belt disc, the top of the outer surface of the motor plate is fixedly connected with a second motor, and the output shaft of the second motor is fixedly connected with the second power belt disc, and one side of the outer surface of the stirring rod is fixedly connected with the second transmission belt disc.

[0015] Compared with the prior art, the utility model has reached the beneficial effects that:

[0016] Firstly, when the inside sludge of the sewage barrel needs to be cleaned, the first motor is started first, the output shaft of the first motor is fixedly connected with the first power belt disc, the first motor drives the first power belt disc to rotate, the first power belt disc drives the first transmission belt disc to rotate through the first belt, the first transmission belt disc drives the connected rotating column to rotate, the rotating column drives the plurality of fixed blocks to rotate, the fixed blocks drive the plurality of large sliding rods and scrapers to rotate, the large sliding rods are slidably embedded in the fixed blocks, the scrapers are slidably arranged in the sliding grooves through the connecting small sliding rods, the sludge attached to the inner wall of the sewage barrel is scraped off through the scrapers, the scrapers are attached to the inner wall of the sewage barrel through the springs and the small sliding rods, the rotating column drives the spiral blades and the rotating plate to rotate, the sewage and the sludge flow out of the inside of the sewage barrel through the spiral blades and the rotating plate, and the inside sludge of the sewage barrel is cleaned through the above technical scheme.

[0017] Second, the utility model discloses sludge and sewage flow into the inside of stirring barrel through the conveying pipe, add solidifying agent to the inside of stirring barrel through the blanking hole at the top of stirring barrel, open the second motor at the top of motor board, the output shaft of second motor is fixedly connected with second power belt, drive second power belt to rotate through second motor, drive second transmission belt to rotate through the rotation of second power belt, drive the stirring rod connected to rotate through the rotation of second transmission belt, drive impeller to rotate through sliding block and support column when the stirring rod rotates, and the impeller is a cup-shaped structure, and the accelerated laminar flow at the cup-shaped outlet meets the turbulent flow generated by the dynamic pressure in the opposite direction at the cup-shaped inlet during the circumferential movement of stirring barrel to cause dynamic mixing movement of sewage, a plurality of screw holes are arranged in the inside of stirring rod, and the sliding block is connected in the screw hole through bolt, so that the height of a plurality of impellers is adjusted, through the above technical scheme, the solidification of sludge and sewage is completed, the solidifying agent is mixed uniformly with the moisture and free state material in sewage, chemical reaction occurs between the solidifying agent and the moisture and free state material in sewage, and stable solidification body is formed. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0019] Figure 2 It is the three-dimensional structure schematic diagram of the cleaning assembly of the utility model;

[0020] Figure 3 It is the three-dimensional structure schematic diagram of the cleaning assembly of the utility model;

[0021] Figure 4 It is the three-dimensional structure schematic diagram of the stirring assembly of the utility model.

[0022] Wherein: 1, sewage barrel;2, stirring barrel;3, rotating column;301, fixed block;302, large sliding rod;303, large limit board;304, sliding groove;305, small sliding rod;306, small limit board;307, spring;4, scraper;5, connecting rod;501, spiral blade;502, rotating plate;6, first belt;601, first transmission belt disc;602, first power belt disc;603, motor box;604, first motor;7, second belt;701, second transmission belt;702, second power belt;703, motor board;704, second motor;8, stirring rod;801, sliding block;802, connecting column;803, support column;804, impeller;805, screw hole;806, bolt;9, conveying pipe;10, blanking hole;11, valve;12, second support leg;13, first support leg. DETAILED DESCRIPTION

[0023] Clearly and completely describe the technical scheme in the embodiments of the utility model with reference to the drawings in the embodiments of the utility model, obviously, the described embodiments are only a part of the embodiments of the utility model, not all the embodiments, based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor belong to the range of the utility model protection.

[0024] Please refer to Figures 1-4 A mud scraper for wastewater treatment, comprising a sewage bucket 1, a cleaning assembly is arranged in the sewage bucket 1, and a stirring assembly is arranged on one side of the sewage bucket 1.

[0025] The cleaning assembly comprises a rotating column 3, the rotating column 3 is rotationally embedded in the inside of the sewage bucket 1, a plurality of fixed blocks 301 are fixedly connected to the outer surface of the rotating column 3, a large sliding rod 302 is slidingly embedded in the inside of each of the plurality of fixed blocks 301, a sliding groove 304 is arranged in the inside of each of the plurality of large sliding rods 302, a small sliding rod 305 is slidingly embedded in the inside of each of the plurality of sliding grooves 304, and a scraper 4 is fixedly connected to one side of the outer surface of each of the plurality of small sliding rods 305.

[0026] The stirring assembly comprises a stirring bucket 2, a stirring rod 8 is rotationally embedded in the inside of the stirring bucket 2, a sliding block 801 is slidingly sleeved to the outer surface of the stirring rod 8, a plurality of connecting columns 802 are fixedly connected to the outer surface of the sliding block 801, a support column 803 is fixedly connected to the outer surface of each of the plurality of connecting columns 802, and an impeller 804 is fixedly connected to one side of each of the plurality of support columns 803 away from the connecting column 802.

[0027] Through the above technical scheme, when the sludge in the inside of the sewage bucket 1 needs to be cleaned, first, the first motor 604 is started, the output shaft of the first motor 604 is fixedly connected to the first power belt disc 602, the first motor 604 drives the first power belt disc 602 to rotate, the first power belt disc 602 drives the first transmission belt disc 601 to rotate through the first belt 6, the first transmission belt disc 601 drives the rotating column 3 connected thereto to rotate, the rotating column 3 drives the plurality of fixed blocks 301 to rotate, the fixed blocks 301 drive the plurality of large sliding rods 302 and the scraper 4 to rotate, the large sliding rods 302 are slidingly embedded in the inside of the fixed blocks 301, the scraper 4 is slidingly embedded in the inside of the sliding groove 304 through the small sliding rod 305, the sludge attached to the inner wall of the sewage bucket 1 is scraped off through the scraper 4, the scraper 4 is adhered to the inner wall of the sewage bucket 1 through the spring 307 and the small sliding rod 305, the rotating column 3 drives the helical blade 501 and the rotating plate 502 to rotate, the sewage and the sludge flow out of the inside of the sewage bucket 1 through the helical blade 501 and the rotating plate 502, and the cleaning of the sludge in the inside of the sewage bucket 1 is completed through the above technical scheme.

[0028] Through the technical scheme, the sludge and the sewage flow into the inside of the stirring barrel 2 through the conveying pipe 9, the solidifying agent is added into the inside of the stirring barrel 2 through the discharging port 10 at the top of the stirring barrel 2, the second motor 704 at the top of the motor plate 703 is turned on, the output shaft of the second motor 704 is fixedly connected with the second power belt 702, the second power belt 702 is driven to rotate by the second motor 704, the second power belt 702 rotates to drive the second transmission belt 701 to rotate through the second belt 7, the second transmission belt 701 rotates to drive the connected stirring rod 8 to rotate, the stirring rod 8 rotates to drive the impeller 804 to rotate through the sliding block 801 and the supporting column 803, the impeller 804 is a cup-shaped structure, the accelerated laminar flow at the outlet of the cup-shaped structure and the turbulent flow generated by the dynamic pressure in the opposite direction at the inlet of the cup-shaped structure meet during the circumferential movement of the stirring barrel 2 to cause the sewage to perform dynamic mixing movement, a plurality of threaded holes 805 are arranged in the inside of the stirring rod 8, the sliding block 801 is threadedly connected in the threaded hole 805 through the bolt 806, so as to adjust the height of the plurality of impellers 804, through the technical scheme, the solidification of the sludge and the sewage is completed, the sewage is uniformly mixed with the solidifying agent, the solidifying agent reacts with the water and the free-state substances in the sewage to form stable solidified bodies.

[0029] Specifically, one side of the outer surface of each of the plurality of large slide rods 302 is fixedly connected with a large limiting plate 303, the outer surface of each of the plurality of large slide rods 302 is wound with a spring 307, and one side of the outer surface of each of the plurality of small slide rods 305 is fixedly connected with a small limiting plate 306.

[0030] Through the technical scheme, the scraper 4 is attached to the inner wall of the sewage barrel 1 through the spring 307, the large slide rod 302 is limited through the large limiting plate 303, and the small slide rod 305 is limited through the small limiting plate 306.

[0031] Specifically, the outer surface of the bottom of the rotating column 3 is fixedly connected with a connecting rod 5, the outer surface of the connecting rod 5 is fixedly connected with a helical blade 501, and the outer surface of the rotating column 3 is fixedly connected with a plurality of rotating plates 502.

[0032] Through the technical scheme, the rotating column 3 drives the helical blade 501 and the rotating plate 502 to rotate, and the sewage and the sludge flow out of the inside of the sewage barrel 1 through the helical blade 501 and the rotating plate 502.

[0033] Specifically, the inside of the sewage bucket 1 is rotatably embedded with a first transmission belt disc 601, the inside of the sewage bucket 1 is rotatably embedded with a first power belt disc 602, and the outer surface of the first power belt disc 602 is wrapped with a first belt 6, one side of the first belt 6 away from the first power belt disc 602 is wrapped on the outer surface of the first transmission belt disc 601, one side of the outer surface of the rotating column 3 is fixedly connected with the first transmission belt disc 601, one side of the outer surface of the sewage bucket 1 is fixedly connected with a motor box 603, and one side of the outer surface of the motor box 603 is provided with a first motor 604, and the output shaft of the first motor 604 is fixedly connected with the first power belt disc 602.

[0034] Through the above technical scheme, the first motor 604 drives the first power belt disc 602 to rotate, the first power belt disc 602 rotates to drive the first transmission belt disc 601 to rotate through the first belt 6, and the first transmission belt disc 601 rotates to drive the connected rotating column 3 to rotate.

[0035] Specifically, the inside of the stirring rod 8 is provided with a plurality of threaded holes 805, the inside of the sliding block 801 is threadedly embedded with a bolt 806, and the bolt 806 is threadedly connected in the inside of the threaded hole 805.

[0036] Through the above technical scheme, the bolt 806 is threadedly connected in the inside of the threaded hole 805 through the sliding block 801, so as to adjust the height of the plurality of impellers 804.

[0037] Specifically, the inside of the stirring barrel 2 is rotatably embedded with a second transmission belt disc 701, the inside of the stirring barrel 2 is rotatably embedded with a second power belt disc 702, and the outer surface of the second power belt disc 702 is wrapped with a second belt 7, one side of the second belt 7 away from the second power belt disc 702 is wrapped on the outer surface of the second transmission belt disc 701, the top of the outer surface of the stirring barrel 2 is fixedly connected with a motor plate 703, and the top of the outer surface of the motor plate 703 is provided with a second motor 704, the output shaft of the second motor 704 is fixedly connected with the second power belt disc 702, and one side of the outer surface of the stirring rod 8 is fixedly connected with the second transmission belt disc 701.

[0038] Through the above technical scheme, the second motor 704 drives the second power belt 702 to rotate, the second power belt 702 rotates to drive the second transmission belt 701 to rotate through the second belt 7, and the second transmission belt 701 rotates to drive the connected stirring rod 8 to rotate.

[0039] Specifically, the inside of the sewage bucket 1 is provided with a conveying pipe 9, and the conveying pipe 9 is arranged in the inside of the stirring barrel 2 away from the sewage bucket 1. The outer surface of the sewage bucket 1 is fixedly connected with a plurality of first supporting legs 13. The outer surface of the stirring barrel 2 is fixedly connected with a plurality of second supporting legs 12. The top of the outer surface of the stirring barrel 2 is provided with a discharging port 10. The inside of the stirring barrel 2 is provided with a valve 11.

[0040] Through the above technical scheme, the sludge and the sewage flow into the inside of the stirring barrel 2 through the conveying pipe 9. The sewage bucket 1 is supported by the first supporting legs 13. The stirring barrel 2 is supported by the second supporting legs 12. The solidifying agent is added into the inside of the stirring barrel 2 through the discharging port 10 at the top of the stirring barrel 2. The solidified body after solidification is separated from the stirring barrel 2 through the valve 11.

[0041] In use, when the sludge inside the sewage bucket 1 needs to be cleaned, first, the first motor 604 is turned on, the output shaft of the first motor 604 is fixedly connected with the first power belt disc 602, the first motor 604 drives the first power belt disc 602 to rotate, the first power belt disc 602 drives the first transmission belt disc 601 to rotate through the first belt 6, the first transmission belt disc 601 drives the rotating column 3 connected thereto to rotate, the rotating column 3 drives the plurality of fixed blocks 301 to rotate, the fixed blocks 301 drive the plurality of large slide rods 302 and the scraper 4 to rotate, the large slide rods 302 are slidably arranged in the fixed blocks 301, the scraper 4 is slidably arranged in the sliding groove 304 through the small slide rod 305, the sludge attached to the inner wall of the sewage bucket 1 is scraped off by the scraper 4, the scraper 4 is attached to the inner wall of the sewage bucket 1 through the spring 307 and the small slide rod 305, the rotating column 3 drives the spiral blade 501 and the rotating plate 502 to rotate, the sewage and the sludge flow out of the sewage bucket 1 through the spiral blade 501 and the rotating plate 502, through the above technical scheme, the sludge inside the sewage bucket 1 is cleaned, the sludge and the sewage flow into the inside of the stirring barrel 2 through the conveying pipe 9, the solidifying agent is added into the inside of the stirring barrel 2 through the discharge port 10 at the top of the stirring barrel 2, the second motor 704 at the top of the motor plate 703 is turned on, the output shaft of the second motor 704 is fixedly connected with the second power belt 702, the second motor 704 drives the second power belt 702 to rotate, the second power belt 702 drives the second transmission belt 701 to rotate through the second belt 7, the second transmission belt 701 drives the stirring rod 8 connected thereto to rotate, the stirring rod 8 drives the impeller 804 to rotate through the sliding block 801 and the supporting column 803 when rotating, the impeller 804 is a cup-shaped structure, the accelerated laminar flow at the outlet of the cup-shaped structure and the turbulent flow generated by the dynamic pressure in the opposite direction at the inlet of the cup-shaped structure meet during the circumferential movement of the stirring barrel 2, thereby causing the sewage to perform dynamic mixing movement, a plurality of threaded holes 805 are arranged in the inside of the stirring rod 8, the sliding block 801 is threadedly connected in the threaded holes 805 through the bolts 806, thereby adjusting the height of the plurality of impellers 804, through the above technical scheme, the sludge and the sewage are solidified, the sewage and the solidifying agent are uniformly mixed, the solidifying agent reacts with the water and the free-state substances in the sewage to form stable solidified bodies.

[0042] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A mud scraper for wastewater treatment, comprising a sewage bucket (1), characterized in that: The inside of the sewage bucket (1) is provided with a cleaning assembly, and one side of the sewage bucket (1) is provided with a stirring assembly. The cleaning assembly comprises a rotating column (3), and the rotating column (3) is rotationally embedded in the inside of the sewage bucket (1); the outer surface of the rotating column (3) is fixedly connected with a plurality of fixed blocks (301), and the inside of each fixed block (301) is slidably embedded with a large sliding rod (302); the inside of each large sliding rod (302) is provided with a sliding groove (304), and the inside of each sliding groove (304) is slidably embedded with a small sliding rod (305); and one side of the outer surface of each small sliding rod (305) is fixedly connected with a scraper (4). The stirring assembly comprises a stirring barrel (2), and a stirring rod (8) is rotationally embedded in the inside of the stirring barrel (2); the outer surface of the stirring rod (8) is slidably sleeved with a sliding block (801), and the outer surface of the sliding block (801) is fixedly connected with a plurality of connecting columns (802); the outer surface of each connecting column (802) is fixedly connected with a supporting column (803), and one side of the supporting column (803) away from the connecting column (802) is fixedly connected with an impeller (804).

2. The mud scraper for wastewater treatment according to claim 1, characterized in that: One side of the outer surface of each large sliding rod (302) is fixedly connected with a large limiting plate (303), and the outer surface of each large sliding rod (302) is wound with a spring (307); and one side of the outer surface of each small sliding rod (305) is fixedly connected with a small limiting plate (306).

3. The mud scraper for wastewater treatment according to claim 1, characterized in that: The bottom of the outer surface of the rotating column (3) is fixedly connected with a connecting rod (5), and the outer surface of the connecting rod (5) is fixedly connected with a helical blade (501); and the outer surface of the rotating column (3) is fixedly connected with a plurality of rotating plates (502).

4. The mud scraper for wastewater treatment according to claim 1, characterized in that: A first transmission belt disc (601) is rotationally embedded in the inside of the sewage bucket (1); a first power belt disc (602) is rotationally embedded in the inside of the sewage bucket (1), and the outer surface of the first power belt disc (602) is wound with a first belt (6); one side of the first belt (6) away from the first power belt disc (602) is wound on the outer surface of the first transmission belt disc (601); one side of the outer surface of the rotating column (3) is fixedly connected with the first transmission belt disc (601); one side of the outer surface of the sewage bucket (1) is fixedly connected with a motor box (603), and one side of the outer surface of the motor box (603) is provided with a first motor (604); and the output shaft of the first motor (604) is fixedly connected with the first power belt disc (602).

5. The mud scraper for wastewater treatment according to claim 1, characterized in that: The inside of the stirring rod (8) is provided with a plurality of threaded holes (805), and the inside of the sliding block (801) is threadedly embedded with a bolt (806), and the bolt (806) penetrates through the sliding block (801) and is threadedly connected in the inside of the threaded hole (805).

6. The mud scraper for wastewater treatment according to claim 1, characterized in that: The inside of the stirring barrel (2) is rotatably embedded with a second transmission belt disc (701), the inside of the stirring barrel (2) is rotatably embedded with a second power belt disc (702), and the outer surface of the second power belt disc (702) is wrapped with a second belt (7), the side, away from the second power belt disc (702), of the second belt (7) is wrapped on the outer surface of the second transmission belt disc (701), the top of the outer surface of the stirring barrel (2) is fixedly connected with a motor plate (703), and the top of the outer surface of the motor plate (703) is provided with a second motor (704), the output shaft of the second motor (704) is fixedly connected with the second power belt disc (702), and one side of the outer surface of the stirring rod (8) is fixedly connected with the second transmission belt disc (701).

7. The mud scraper for wastewater treatment according to claim 1, characterized in that: The inside of the sewage bucket (1) is provided with a conveying pipe (9), and the side, away from the sewage bucket (1), of the conveying pipe (9) is arranged in the inside of the stirring barrel (2), the outer surface of the sewage bucket (1) is fixedly connected with a plurality of first supporting legs (13), the outer surface of the stirring barrel (2) is fixedly connected with a plurality of second supporting legs (12), the top of the outer surface of the stirring barrel (2) is provided with a discharging port (10), and the inside of the stirring barrel (2) is provided with a valve (11).

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