Municipal sludge treatment device based on intelligent cooperative treatment

Abstract

The invention provides a municipal sludge treatment device based on intelligent cooperative treatment, and relates to the technical field of sludge treatment.The municipal sludge treatment device comprises a treatment tank and a rotating disc arranged in the treatment tank, and further comprises a centrifugal filtering assembly arranged in the rotating disc. The rotary disc and the centrifugal filtering assembly are arranged in the treatment tank, multiple layers of filter screens are designed, the external filter screen, the middle filter screen and the internal filter screen work cooperatively, the scraper is matched, and graded centrifugal filtering is achieved through centrifugal force. The connecting frame drives the scraping plates and the filter screens to move, and when the connecting frame descends, the second scraping plate pushes sludge on the inner side of the middle filter screen, the first scraping plate enables the sludge to enter the external filter screen, and the third scraping plate guides the sludge to enter the internal filter screen; during ascending, the third scraper pushes sludge into the middle filter screen, the first scraper throws out sludge on the inner side of the external filter screen, it is ensured that different filter stages do not interfere with one another, the sludge treatment efficiency is greatly improved, centrifugal force of the three layers of filter screens is continuously increased from inside to outside, and the filter effect is good.

Description

Technical Field

[0001] The present invention relates to the technical field of sludge treatment, and in particular to a municipal sludge treatment device based on intelligent collaborative treatment. Background Art

[0002] With the acceleration of urbanization, the amount of municipal sludge generated has increased dramatically. If municipal sludge is not handled properly, it will not only occupy a large amount of land, but also cause serious pollution to the soil, water and atmosphere, threatening the ecological environment and human health. Therefore, the development of efficient and intelligent municipal sludge treatment technology and equipment is of great practical significance for achieving sludge reduction, harmlessness and resource utilization.

[0003] The existing technology uses vacuum filters, plate and frame filter presses, roller dewatering machines, belt filter presses and centrifugal dewatering machines to dewater sludge. Vacuum filters have a large processing capacity and are suitable for dewatering various sludges; plate and frame filter presses can process various sludges with a small processing capacity; roller dewatering machines are used for dewatering residual activated sludge, paper industry sludge, etc.; belt filter presses can process chemical sludge and other sludges that are difficult to dewater by vacuum filtration; commonly used sludge treatment equipment requires high costs for both initial infrastructure investment and later operation and maintenance, which not only greatly increases the cost of sludge treatment, but also brings a heavy economic burden to related enterprises and departments, limiting the large-scale application of these equipment. These equipment are generally complex in structure and large in size, and have strict requirements on the space and supporting facilities of the installation site, resulting in many difficulties when arranging equipment at the sludge treatment site, which greatly affects the timeliness and efficiency of sludge treatment. Summary of the invention

[0004] The technical problem to be solved by the present invention is to overcome the defects of the prior art. The present invention proposes a municipal sludge treatment device based on intelligent collaborative processing.

[0005] In order to solve the above technical problems, the technical solution adopted by the present invention is a municipal sludge treatment device based on intelligent collaborative treatment, including a treatment tank and a turntable arranged inside the treatment tank, and also including a centrifugal filter assembly arranged inside the turntable, the turntable is rotatably arranged at the lower part of the interior of the treatment tank, the centrifugal filter assembly includes an external filter screen, a middle filter screen and an internal filter screen which are arranged inside the turntable from the outside to the inside in sequence, the lower part of the external filter screen and the upper part of the internal filter screen are at the same horizontal height, wherein the outer upper edge of the external filter screen is fixedly connected to the upper part of the inner wall of the turntable through a fixing ring, the internal filter screen is fixedly installed on the bottom inner wall of the turntable, a second scraper is fixedly installed on the upper part of the outer side of the internal filter screen, a first scraper is fixedly installed on the upper part of the outer side of the middle filter screen, the middle filter screen and the first scraper are slidably arranged between the external filter screen and the second scraper, a third scraper is slidably arranged in the middle of the internal filter screen, the first scraper is used to scrape the inner wall of the external filter screen upwards, the second scraper is used to scrape the inner wall of the middle filter screen upwards, and the third scraper is used to The inner wall of the built-in filter screen is scraped upwards, and a sludge pipe is rotatably arranged inside the treatment tank, and the sludge pipe extends from the top of the treatment tank to the inside thereof, and the bottom of the sludge pipe is located in the middle of the built-in filter screen, and the outer wall of the sludge pipe is in contact with the third scraper, and a sludge outlet is arranged at the lower outer side of the sludge pipe, and the centrifugal filtering assembly also includes a connecting frame movably arranged inside the treatment tank, and the connecting frame is used to connect the middle filter screen and the third scraper, and after the connecting frame drives the middle filter screen, the first scraper and the third scraper to descend, the second scraper will move the middle filter screen The sludge on the inside of the filter is pushed upward, and as the first scraper descends, the sludge enters the inner wall of the external filter under the action of centrifugal force for centrifugal filtration. After the third scraper on the inside of the built-in filter descends, the sludge enters the inside of the built-in filter through the sludge pipe for centrifugal filtration. When the connecting frame drives the middle filter, the first scraper and the third scraper to rise, the third scraper pushes the sludge upward and enters the inside of the middle filter under the action of centrifugal force. The sludge on the inside of the external filter is thrown out under the upward push of the first scraper.

[0006] Furthermore, a liquid inlet is provided on the top of the treatment tank, and the liquid inlet is rotatably arranged on the top of the sludge pipe. The liquid inlet is used to connect the sludge conveying pipe. A liquid outlet is provided at the bottom of the treatment tank. A water receiving tray is installed at one end of the liquid outlet located inside the treatment tank. The water receiving tray is located below the turntable. A drainage hole is provided at the bottom of the turntable. Water filtered by the external filter, the middle filter and the internal filter passes through the drainage hole and the water receiving tray and is finally discharged through the liquid outlet. A slag outlet and a controller are also provided on the outer wall of the treatment tank.

[0007] Furthermore, a baffle ring is fixedly provided on the inner wall of the processing tank at the top of the turntable, and a notch is provided on the baffle ring, which corresponds to the slag outlet. There are also evenly distributed paddles on the inner side of the baffle ring, which are embedded and installed on the top of the external filter screen. The paddle plate fits with the inner wall of the baffle ring. The sludge pushed out from the inner side of the external filter screen by the first scraper finally enters the inner side of the baffle ring and is discharged from the slag outlet as the paddle plate rotates.

[0008] Furthermore, a driving assembly is also provided inside the processing tank, and the driving assembly includes a double-headed motor fixedly installed inside the processing tank, a gear is fixedly installed at the output end below the double-headed motor, and gear teeth are provided on the outer wall of the turntable, and the gear is meshingly connected with the turntable through the gear teeth. The double-headed motor drives the gear to rotate and then drives the turntable as a whole to rotate. The driving assembly also includes a forward and reverse screw rod transmission mechanism installed at the top output end of the double-headed motor, and a delay transmission cylinder is slidingly provided on the upper part of the interior of the processing tank. The delay transmission cylinder is connected to the forward and reverse screw rod transmission mechanism through a connecting piece, and the delay transmission cylinder is driven to reciprocate up and down inside the processing tank through the cooperation of the double-headed motor and the forward and reverse screw rod transmission mechanism.

[0009] Furthermore, a limiting groove is arranged inside the delay transmission cylinder, and a bearing is movably arranged inside the limiting groove, and the diameter of the bearing is larger than the diameter of the upper and lower openings of the delay transmission cylinder. Balls are evenly distributed on the outer ring of the bearing, and the bearing contacts the inner wall of the limiting groove through the balls. The connecting frame includes a connecting plate fixedly mounted on the inner ring of the bearing, and the bottom of the connecting plate is fixedly connected to the third scraper and the middle filter screen respectively through the first connecting rod and the second connecting rod. When the double-headed motor drives the turntable to rotate, the double-headed motor drives the delay transmission cylinder to reciprocate up and down through the forward and reverse screw rod transmission mechanism. When the delay transmission cylinder moves downward, the bearing is It will not move downward at the beginning until the top inner wall of the limit groove contacts the bearing, then it will drive the bearing downward, and then drive the connecting frame downward. Then, when the delayed transmission cylinder moves upward, the bearing will not move upward immediately, until the bottom inner wall of the limit groove contacts the bottom of the bearing, then it will drive the bearing and the connecting frame downward, so as to facilitate the control of the external filter, the middle filter and the internal filter to perform graded centrifugal filtration. Specifically, when the middle filter is filtering sludge, there is no sludge on the inside of the external filter and the internal filter, and there is no sludge on the inside of the middle filter when the external filter and the internal filter are filtering.

[0010] Compared with the prior art, the beneficial effects of the present invention include: a turntable and a centrifugal filter assembly are arranged in the treatment tank, a multi-layer filter screen design, external, middle and internal filter screens work together, and the scraper is used to achieve graded centrifugal filtration by centrifugal force. The connecting frame drives the scraper and filter screen to move. When descending, the second scraper pushes the sludge inside the middle filter screen, the first scraper allows the sludge to enter the external filter screen, and the third scraper guides the sludge into the internal filter screen; when ascending, the third scraper pushes the sludge into the middle filter screen, and the first scraper throws out the sludge inside the external filter screen, ensuring that different filtering stages do not interfere with each other, greatly improving the sludge treatment efficiency, and the centrifugal force of the three-layer filter screen increases continuously from the inside to the outside, and the filtering effect is good; the double-headed motor, gears, positive and negative screw transmission mechanism, and delayed transmission cylinder in the driving assembly work together to accurately control the up and down movement of the connecting frame to achieve intelligent control of graded filtration. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] The disclosure of the present invention is described with reference to the accompanying drawings. It should be understood that the drawings are for illustrative purposes only and are not intended to limit the scope of protection of the present invention. In the accompanying drawings, the same reference numerals are used to refer to the same components. Among them: Figure 1 The overall structural diagram of a municipal sludge treatment device based on intelligent collaborative processing proposed according to one embodiment of the present invention is schematically shown; Figure 2 Schematically showing a schematic diagram of the structure of a turntable, a driving assembly and a delayed transmission cylinder of a municipal sludge treatment device based on intelligent collaborative treatment proposed according to one embodiment of the present invention; Figure 3 A schematic diagram showing the structural disassembly of a turntable and a centrifugal filter assembly of a municipal sludge treatment device based on intelligent collaborative processing according to one embodiment of the present invention; Figure 4 A schematic diagram showing a centrifugal filter assembly and a sludge pipe structure section diagram of a municipal sludge treatment device based on intelligent collaborative processing according to one embodiment of the present invention; Figure 5 A schematic diagram of a driving assembly and a bearing structure of a municipal sludge treatment device based on intelligent collaborative processing according to an embodiment of the present invention is shown; Figure 6 A schematic diagram shows a disassembled view of a drive assembly, a delayed transmission cylinder and a bearing structure of a municipal sludge treatment device based on intelligent collaborative processing according to one embodiment of the present invention.

[0012] In the figure: 1. treatment tank; 11. liquid inlet; 12. liquid outlet; 13. slag outlet; 14. controller; 2. turntable; 21. gear; 22. retaining ring; 23. paddle; 3. centrifugal filter assembly; 31. external filter; 311. fixing ring; 32. center filter; 321. first scraper; 33. internal filter; 331. second scraper; 332. third scraper; 34. connecting frame; 341. connecting plate; 342. first connecting rod; 343. second connecting rod; 4. sludge pipe; 5. driving assembly; 51. double-headed motor; 52. gear; 53. positive and negative screw transmission mechanism; 54. connecting piece; 6. delay transmission cylinder; 61. limit groove; 7. bearing; 71. ball. DETAILED DESCRIPTION

[0013] It is easy to understand that according to the technical solution of the present invention, without changing the essential spirit of the present invention, a person skilled in the art can propose a variety of interchangeable structural modes and implementation modes. Therefore, the following specific implementation modes and drawings are only exemplary descriptions of the technical solution of the present invention, and should not be regarded as the whole of the present invention or as a limitation or restriction to the technical solution of the present invention.

[0014] According to the embodiment of the present invention, Figure 1-Figure 6A municipal sludge treatment device based on intelligent collaborative treatment includes a treatment tank 1 and a turntable 2 arranged inside the treatment tank 1, and also includes a centrifugal filter assembly 3 arranged inside the turntable 2. The turntable 2 is rotatably arranged at the lower part of the treatment tank 1. The centrifugal filter assembly 3 includes an external filter screen 31, a middle filter screen 32 and an internal filter screen 33 arranged inside the turntable 2 from the outside to the inside. The lower part of the external filter screen 31 and the upper part of the internal filter screen 33 are at the same horizontal height, wherein the outer upper edge of the external filter screen 31 is fixedly connected to the upper part of the inner wall of the turntable 2 by a fixing ring 311, and the internal filter screen 33 is fixedly connected to the upper part of the inner wall of the turntable 2 by a fixing ring 311. The net 33 is fixedly mounted on the bottom inner wall of the turntable 2, a second scraper 331 is fixedly mounted on the upper outer side of the built-in filter 33, a first scraper 321 is fixedly mounted on the upper outer side of the middle filter 32, the middle filter 32 and the first scraper 321 are slidably arranged between the external filter 31 and the second scraper 331, a third scraper 332 is slidably arranged in the middle of the built-in filter 33, the first scraper 321 is used to scrape the inner wall of the external filter 31 upwards, the second scraper 331 is used to scrape the inner wall of the middle filter 32 upwards, and the third scraper 332 is used to scrape the inner wall of the built-in filter 33 upwards The processing tank 1 is provided with a sludge pipe 4 which is rotatably arranged inside the processing tank 1. The sludge pipe 4 extends from the top of the processing tank 1 to the inside thereof. The bottom of the sludge pipe 4 is located in the middle of the built-in filter screen 33. The outer wall of the sludge pipe 4 is in contact with the third scraper 332. A sludge outlet is arranged at the lower outer side of the sludge pipe 4. The centrifugal filter assembly 3 also includes a connecting frame 34 which is movably arranged inside the processing tank 1. The connecting frame 34 is used to connect the middle filter screen 32 and the third scraper 332. After the connecting frame 34 drives the middle filter screen 32, the first scraper 321 and the third scraper 332 to descend, the second scraper 331 removes the inner side of the middle filter screen 32. The sludge is pushed upward, and as the first scraper 321 descends, the sludge enters the inner wall of the external filter 31 for centrifugal filtration under the action of centrifugal force. After the third scraper 332 on the inner side of the internal filter 33 descends, the sludge enters the inner side of the internal filter 33 through the sludge pipe 4 for centrifugal filtration. When the connecting frame 34 drives the middle filter 32, the first scraper 321 and the third scraper 332 to rise, the third scraper 332 pushes the sludge upward and enters the inner side of the middle filter 32 under the action of centrifugal force. The sludge on the inner side of the external filter 31 is thrown outward under the upward push of the first scraper 321.

[0015] A liquid inlet 11 is provided on the top of the treatment tank 1, and the liquid inlet 11 is rotatably provided on the top of the sludge pipe 4. The liquid inlet 11 is used to connect the sludge conveying pipe. A liquid outlet 12 is provided at the bottom of the treatment tank 1. The liquid outlet 12 is located at one end of the treatment tank 1 and a water receiving tray is installed. The water receiving tray is located below the turntable 2. A drainage hole is provided at the bottom of the turntable 2. Water filtered by the external filter 31, the middle filter 32 and the internal filter 33 passes through the drainage hole and the water receiving tray and is finally discharged through the liquid outlet 12. The outer wall of the treatment tank 1 is also provided with a slag outlet 13 and a controller 14.

[0016] The inner wall of the processing tank 1 is located at the top of the turntable 2 and is fixedly provided with a baffle ring 22. A notch is provided on the baffle ring 22, which corresponds to the slag outlet 13. The inner side of the baffle ring 22 is also evenly distributed with paddles 23, which are embedded and installed on the top of the external filter screen 31. The paddle plate 23 fits with the inner wall of the baffle ring 22. The sludge pushed out from the inner side of the external filter screen 31 by the first scraper 321 eventually enters the inner side of the baffle ring 22 and is discharged from the slag outlet 13 as the paddle plate 23 rotates.

[0017] A driving assembly 5 is also provided inside the processing tank 1, and the driving assembly 5 includes a double-headed motor 51 fixedly installed inside the processing tank 1, a gear 52 is fixedly installed at the output end below the double-headed motor 51, and the outer wall of the turntable 2 is provided with gear teeth 21, and the gear 52 is meshed and connected with the turntable 2 through the gear teeth 21. The double-headed motor 51 drives the gear 52 to rotate and then drives the turntable 2 to rotate as a whole. The driving assembly 5 also includes a forward and reverse screw rod transmission mechanism 53 installed at the top output end of the double-headed motor 51, and a delay transmission cylinder 6 is slidably provided on the upper part of the interior of the processing tank 1. The delay transmission cylinder 6 is connected to the forward and reverse screw rod transmission mechanism 53 through a connecting piece 54, and the delay transmission cylinder 6 is driven to reciprocate up and down inside the processing tank 1 through the cooperation of the double-headed motor 51 and the forward and reverse screw rod transmission mechanism 53.

[0018] A limiting groove 61 is arranged inside the delay transmission cylinder 6, and a bearing 7 is movably arranged inside the limiting groove 61. The diameter of the bearing 7 is larger than the diameter of the upper and lower openings of the delay transmission cylinder 6. Balls 71 are evenly distributed on the outer ring of the bearing 7. The bearing 7 contacts the inner wall of the limiting groove 61 through the balls 71. The connecting frame 34 includes a connecting plate 341 fixedly mounted on the inner ring of the bearing 7. The bottom of the connecting plate 341 is fixedly connected to the third scraper 332 and the middle filter screen 32 through the first connecting rod 342 and the second connecting rod 343 respectively. When the double-headed motor 51 drives the turntable 2 to rotate, the double-headed motor 51 drives the delay transmission cylinder 6 to reciprocate up and down through the forward and reverse screw rod transmission mechanism 53. When the delay transmission cylinder 6 moves downward, The middle bearing 7 will not move downward at first, and will not move downward until the top inner wall of the limiting groove 61 contacts the bearing 7, thereby driving the bearing 7 to move downward, and then driving the connecting frame 34 to move downward. Subsequently, when the delayed transmission cylinder 6 moves upward, the bearing 7 will not move upward immediately, and will not move upward until the bottom inner wall of the limiting groove 61 contacts the bottom of the bearing 7, thereby driving the bearing 7 and the connecting frame 34 to move downward, so as to facilitate the control of the external filter 31, the middle filter 32 and the internal filter 33 to perform graded centrifugal filtration. Specifically, when the middle filter 32 performs sludge filtering, there is no sludge on the inside of the external filter 31 and the internal filter 33, and there is no sludge on the inside of the middle filter 32 when the external filter 31 and the internal filter 33 are filtering.

[0019] Working principle: Municipal sludge enters the treatment device through a sludge delivery pipe connected to the liquid inlet 11, and the liquid inlet 11 is rotatably arranged on the top of the sludge pipe 4, and the sludge enters the interior of the device through the sludge pipe 4; In the driving assembly 5 in the processing tank 1, the gear 52 at the output end below the double-headed motor 51 meshes with the gear 21 on the outer wall of the turntable 2; the double-headed motor 51 is started, driving the gear 52 to rotate, thereby causing the turntable 2 to rotate at the bottom of the processing tank 1; The double-headed motor 51 drives the forward and reverse screw drive mechanism 53 to operate, so that the delayed transmission cylinder 6 reciprocates up and down; when the delayed transmission cylinder 6 moves downward, the bearing 7 does not move at first, until the inner wall of the top of the limit groove 61 contacts the bearing 7, driving the connecting frame 34 to descend; the connecting frame 34 drives the central filter 32, the first scraper 321 and the third scraper 332 to descend, at this time the second scraper 331 pushes the sludge inside the central filter 32 upward, because the first scraper 321 descends, the sludge enters the inner wall of the external filter 31 for centrifugal filtration under the action of centrifugal force; after the third scraper 332 inside the internal filter 33 descends, the sludge enters the inner wall of the internal filter 33 through the sludge outlet on the sludge pipe 4 for centrifugal filtration; When the delayed transmission cylinder 6 moves upward, the bearing 7 will not rise immediately until the inner wall of the bottom of the limiting groove 61 contacts the bottom of the bearing 7, driving the connecting frame 34 to rise; at this time, the third scraper 332 pushes the sludge upward, and enters the inner side of the middle filter 32 under the action of centrifugal force, and the sludge inside the external filter 31 is thrown outward under the upward push of the first scraper 321; through such an ascending and descending process, the graded centrifugal filtration of the external filter 31, the middle filter 32 and the internal filter 33 is realized, ensuring that when filtering in one net, there is no sludge interference in the inner sides of the other two nets; The water filtered by the external filter 31, the middle filter 32 and the internal filter 33 enters the water receiving tray below through the drainage hole at the bottom of the turntable 2, and is finally discharged through the liquid outlet 12 at the bottom of the treatment tank 1; The sludge pushed out from the inner side of the external filter screen 31 by the first scraper 321 enters the inner side of the retaining ring 22, and the paddle 23 on the retaining ring 22 rotates with the rotating disk 2 to discharge the sludge from the slag outlet 13; The entire treatment process can be controlled by the controller 14 on the outer wall of the treatment tank 1 to adjust parameters such as motor speed and component movement to meet different sludge treatment requirements.

[0020] The technical scope of the present invention is not limited to the contents in the above description. Those skilled in the art can make various deformations and modifications to the above embodiments without departing from the technical idea of ​​the present invention, and these deformations and modifications should all fall within the protection scope of the present invention.

Claims

1. A municipal sludge treatment device based on intelligent collaborative processing, characterized in that: The invention comprises a treatment tank and a turntable arranged inside the treatment tank, and also comprises a centrifugal filter assembly arranged inside the turntable, wherein the turntable is rotatably arranged inside the lower part of the treatment tank, and the centrifugal filter assembly comprises an external filter screen, a middle filter screen and an internal filter screen arranged inside the turntable in sequence from the outside to the inside, and the lower part of the external filter screen and the upper part of the internal filter screen are at the same horizontal height, wherein the outer upper edge of the external filter screen is fixedly connected to the upper part of the inner wall of the turntable through a fixing ring, and the internal filter screen is fixedly installed on the bottom inner wall of the turntable, and a second scraper is fixedly installed on the upper part of the outer side of the internal filter screen, and a first scraper is fixedly installed on the upper part of the outer side of the middle filter screen, and the middle filter screen and The first scraper is slidably arranged between the external filter and the second scraper, and the third scraper is slidably arranged in the middle of the internal filter. The first scraper is used to scrape the inner wall of the external filter upwards, the second scraper is used to scrape the inner wall of the central filter upwards, and the third scraper is used to scrape the inner wall of the internal filter upwards. A sludge pipe is rotatably arranged inside the treatment tank, and the sludge pipe extends from the top of the treatment tank to the inside thereof. The bottom of the sludge pipe is located in the middle of the internal filter, and the outer wall of the sludge pipe is fitted with the third scraper, and a sludge outlet hole is arranged at the lower outer side of the sludge pipe. The centrifugal filtering assembly also includes a connecting frame movably arranged inside the treatment tank, and the connecting frame is used to connect the central filter and the third scraper.

2. A municipal sludge treatment device based on intelligent collaborative processing as claimed in claim 1, characterized in that: The top of the treatment tank is provided with a liquid inlet, which is rotatably arranged on the top of the sludge pipe and is used to connect the sludge conveying pipe.

3. A municipal sludge treatment device based on intelligent collaborative processing as claimed in claim 1, characterized in that: The bottom of the processing tank is provided with a liquid outlet, and one end of the liquid outlet located inside the processing tank is provided with a water receiving tray, the water receiving tray is located below the rotating disk, and the bottom of the rotating disk is provided with a drainage hole.

4. A municipal sludge treatment device based on intelligent collaborative processing as claimed in claim 1, characterized in that: The outer wall of the processing tank is also provided with a slag outlet and a controller.

5. A municipal sludge treatment device based on intelligent collaborative processing as claimed in claim 4, characterized in that: The inner wall of the processing tank is located at the top of the turntable and is fixed with a retaining ring, which is provided with a notch corresponding to the slag outlet. The inner side of the retaining ring is also evenly distributed with a paddle, which is embedded and installed on the top of the external filter screen, and the paddle fits the inner wall of the retaining ring.

6. A municipal sludge treatment device based on intelligent collaborative processing as claimed in claim 1, characterized in that: A driving assembly is also provided inside the processing tank, and the driving assembly includes a double-headed motor fixedly installed inside the processing tank, a gear is fixedly installed at the output end below the double-headed motor, and the outer wall of the turntable is provided with gear teeth, and the gear is meshed and connected with the turntable through the gear teeth.

7. A municipal sludge treatment device based on intelligent collaborative processing as claimed in claim 6, characterized in that: The drive assembly also includes a forward and reverse screw transmission mechanism installed at the top output end of the double-headed motor, and a delay transmission cylinder is slidably arranged on the upper part of the interior of the processing tank, and the delay transmission cylinder is connected to the forward and reverse screw transmission mechanism through a connecting piece.

8. A municipal sludge treatment device based on intelligent collaborative processing as claimed in claim 7, characterized in that: A limiting groove is arranged inside the delay transmission cylinder, and a bearing is movably arranged inside the limiting groove.

9. A municipal sludge treatment device based on intelligent collaborative processing as claimed in claim 8, characterized in that: The diameter of the bearing is larger than the diameter of the upper and lower openings of the delay transmission cylinder. Balls are evenly distributed on the outer ring of the bearing, and the bearing contacts the inner wall of the limiting groove through the balls.

10. A municipal sludge treatment device based on intelligent collaborative processing as claimed in claim 9, characterized in that: The connecting frame comprises a connecting plate fixedly mounted on the inner ring of the bearing, and the bottom of the connecting plate is fixedly connected to the third scraper and the middle filter screen respectively through a first connecting rod and a second connecting rod.

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