Sludge treatment system for solid waste sludge treatment and use method thereof

Abstract

The invention relates to the technical field of solid waste sludge treatment, in particular to a sludge treatment system for solid waste sludge treatment, which comprises a lifting flushing mechanism and a control system, the lifting flushing mechanism is arranged at the central position of the top of a sludge dewatering and discharging treatment chamber, and the upper end of the lifting flushing mechanism is communicated with a water supply main pipe; a cleaning nozzle is arranged at the bottom of the lifting flushing mechanism; the control system comprises a control button which is used for controlling the lifting and water spraying of the cleaning nozzle and can set a time interval for regular flushing; a self-leveling ground with a gradient is arranged at the bottom of the sludge dewatering and discharging treatment chamber, and a rapid drainage circular ditch is formed in the outer surface of the self-leveling ground; compared with the prior art, through the cooperative use of the lifting flushing mechanism and the control system, automatic cleaning of the sludge dewatering and discharging treatment chamber is realized, the manual cleaning time is shortened, the labor intensity is reduced, and the sludge treatment efficiency is improved.

Description

Technical Field

[0001] This invention relates to the field of solid waste sludge treatment technology, specifically to a sludge treatment system for solid waste sludge treatment and its usage method. Background Technology

[0002] With the acceleration of urbanization, the treatment of sewage sludge, a solid waste generated during urban wastewater treatment, has become increasingly prominent. The harmful substances and pathogenic microorganisms contained in sewage sludge pose a serious threat to the environment and human health. Currently, sewage sludge treatment mainly employs physical, chemical, and biological methods. Physical methods include mechanical dewatering and thermal drying.

[0003] In our factory, when using the sludge dewatering machine, the sludge is fed into the lower-level feeding and treatment chamber, where it is transported by vehicles. However, the floor and walls of the feeding and treatment chamber are often contaminated, and the sanitation is maintained by the maintenance unit for regular cleaning. Each cleaning takes a long time, which not only affects the feeding operation of the sludge dewatering machine but also requires maintenance personnel to use tools to clean it step by step, which is time-consuming and labor-intensive. Furthermore, the untimely treatment of sludge poses an environmental hazard. Therefore, this invention proposes a sludge treatment system for solid waste sludge treatment and its usage method. Summary of the Invention

[0004] The purpose of this invention is to provide a sludge treatment system and its usage method for solid waste sludge treatment, so as to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a sludge treatment system for solid waste sludge treatment, comprising a lifting and flushing mechanism and a control system. The lifting and flushing mechanism is arranged at the center of the top of the sludge dewatering and feeding chamber, and the upper end of the lifting and flushing mechanism is connected to a water supply main pipe. A cleaning nozzle is provided at the bottom of the lifting and flushing mechanism. The control system includes control buttons for controlling the lifting and flushing of the cleaning nozzle and spraying water, and can set time intervals for periodic flushing. The bottom of the sludge dewatering and feeding chamber is provided with a self-leveling floor with a slope, and the outer surface of the self-leveling floor is provided with a rapid drainage ring ditch. A sludge discharge port is provided on the top of the sludge dewatering and feeding chamber on one side of the lifting and flushing mechanism.

[0006] As a preferred technical solution of the present invention, the lifting and rinsing mechanism includes a rotating seat driven by a drive source, and the rotating seat is rotatably installed on the top of the sludge dewatering and feeding chamber. The bottom of the rotating seat is equipped with a plurality of annularly arranged electric cylinders and a corrugated telescopic hose located at the center of the plurality of electric cylinders. The bottom ends of the corrugated telescopic hose and the plurality of electric cylinders are equipped with the same integrated plate. The cleaning nozzle is fixedly installed on the bottom of the integrated plate and is connected to the corrugated telescopic hose. The outer surface of the cleaning nozzle is provided with a plurality of evenly distributed rinsing ports.

[0007] As a preferred technical solution of the present invention, the driving source is a drive motor, and a rotary drive mechanism is provided above the sludge dewatering and feeding chamber. The rotary drive mechanism includes a drive gear that is driven and connected to the output shaft of the drive motor. A transmission gear meshes with one side of the drive gear, and a driven gear sleeve meshes with the end of the transmission gear away from the drive gear. An inner water pipe is fixedly sleeved on the inner surface of the driven gear sleeve, and the inner water pipe is rotatably installed on the top of the sludge dewatering and feeding chamber and connected to a corrugated telescopic hose. A rotating seal is rotatably installed on the upper end of the inner water pipe, and a water supply branch pipe is connected to the upper end of the rotating seal. The other end of the water supply branch pipe is connected to the main water supply pipe.

[0008] As a preferred technical solution of the present invention, a booster pump is connected between the water supply branch pipe and the water supply main pipe, and an electric valve is also installed on the water supply branch pipe. The booster pump and the electric valve are both electrically connected to the control system.

[0009] As a preferred technical solution of the present invention, the self-leveling floor is an epoxy self-leveling floor, and its slope gradually increases from its center position towards the fast drainage ring ditch, forming a gradual slope.

[0010] As a preferred technical solution of the present invention, a ring-shaped wave structure is provided on one side of the vertical inner wall of the rapid drainage ring ditch.

[0011] As a preferred technical solution of the present invention, a liquid level sensor and a sludge concentration sensor are installed inside the rapid drainage ring ditch, and a sewage outlet is also provided on the top of the rapid drainage ring ditch.

[0012] As a preferred embodiment of the present invention, the liquid level sensor is used to quickly drain the mud and water level of the drainage ring ditch and to start the cleaning nozzle when the liquid level reaches a set height; the sludge concentration sensor is used to detect the sludge concentration in the mud and water and to automatically adjust the output pressure of the booster pump and the start and stop time of the electric valve when the sludge concentration reaches a set value.

[0013] As a preferred embodiment of the present invention, the slope of the epoxy self-leveling floor is in the range of 2% to 2.5%, and the epoxy self-leveling floor material contains nano-level lubricants and antistatic agents.

[0014] This invention also proposes a method for using a sludge treatment system for solid waste sludge treatment, comprising the following steps: Step 1: Start the sludge treatment system. The sludge enters the sludge dewatering and feeding chamber through the sludge discharge port. Step 2: The control system receives the operation command, starts the lifting and rinsing mechanism, and the electric cylinder drives the cleaning nozzle to rise and fall to 200mm above the sludge surface to start spraying water to rinse the sludge. Step 3: The slope design of the self-leveling floor causes the sludge to flow towards the rapid drainage ring ditch, with the flow velocity controlled between 0.5m / s and 1m / s; Step 4: The liquid level sensor in the quick drainage ring trench monitors the mud and water level. When the liquid level reaches the set height, the control system starts the cleaning nozzle to flush for 5 to 10 minutes. Step 5: The sludge concentration sensor detects the sludge concentration in the sludge solution. When the sludge concentration reaches the set value, the control system automatically adjusts the output pressure of the booster pump and the start and stop time of the electric valve to keep the sludge concentration within the set range. Step 6: The rinsed sludge is discharged through the drain outlet, completing the sludge treatment. The drain outlet should be opened within 2 minutes after each rinse to ensure that the sludge is completely discharged.

[0015] Compared with the prior art, the beneficial effects of the present invention are: This invention discloses a sludge treatment system and its method for treating solid waste sludge. Through the coordinated use of a lifting and flushing mechanism and a control system, the invention achieves automatic cleaning of the sludge dewatering and feeding chamber, reducing the time and labor intensity of manual cleaning and improving the efficiency of sludge treatment. Furthermore, the design of a self-leveling floor and a rapid drainage ring ditch effectively prevents sludge accumulation and diffusion during treatment, reducing secondary pollution to the environment. Simultaneously, the control system can perform periodic flushing according to set time intervals, achieving intelligent control of the sludge treatment process, reducing operational difficulty, and improving the accuracy and reliability of treatment.

[0016] Other features and advantages of the present invention will be described in detail in the following specific embodiments. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2 This is a schematic diagram of the rapid drainage ring trench of the present invention; Figure 3 This is a cross-sectional view of the water-guiding bottom membrane of the present invention; Figure 4 This is a bottom view of the sludge dewatering and feeding chamber of the present invention.

[0018] In the diagram: 1. Sludge dewatering and feeding chamber; 2. Self-leveling floor; 3. Rapid drainage ring ditch; 31. Corrugated guide wall; 32. Water-guiding bottom membrane; 33. Nano-convex spheres; 4. Lifting and flushing mechanism; 41. Rotating seat; 42. Integrated plate; 43. Cleaning nozzle; 44. Flushing port; 45. Corrugated telescopic hose; 46. Electric cylinder; 5. Rotary drive mechanism; 51. Drive motor; 52. Drive gear; 53. Transmission gear; 54. Driven gear sleeve; 55. Inner water pipe; 56. Rotary seal; 6. Control system; 61. Liquid level sensor; 62. Sludge concentration sensor; 7. Booster pump; 8. Sludge discharge port; 9. Main water supply pipe; 10. Sewage outlet. Detailed Implementation

[0019] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0020] In the description of this invention, it should be noted that the terms "vertical," "upper," "lower," "horizontal," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0021] In the description of this invention, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0022] Please see Figures 1-4In this embodiment, a sludge treatment system for solid waste sludge treatment is provided, including a lifting and flushing mechanism 4 and a control system 6. The lifting and flushing mechanism 4 is arranged at the center of the top of the sludge dewatering and feeding chamber 1, and the upper end of the lifting and flushing mechanism 4 is connected to a water supply main pipe 9. A cleaning nozzle 43 is provided at the bottom of the lifting and flushing mechanism 4. The control system 6 includes control buttons for controlling the lifting and flushing of the cleaning nozzle 43 and spraying water, and can set time intervals for periodic flushing. The bottom of the sludge dewatering and feeding chamber 1 is provided with a sloping self-leveling floor 2, and the outer surface of the self-leveling floor 2 is provided with a fast drainage ring ditch 3. The top of the sludge dewatering and feeding treatment chamber 1 is located on one side of the lifting and flushing mechanism 4, where a sludge discharge port 8 is provided. By setting up the lifting and flushing mechanism 4 and the control system 6, the sludge dewatering and feeding treatment chamber 1 can be automatically flushed. The control system 6 operates the lifting and lowering of the cleaning nozzles 43 and the spraying of water through control buttons, and can set time intervals for periodic flushing, thereby reducing manual intervention and improving cleaning efficiency. The slope design of the self-leveling floor 2 allows the sludge and flushing water to flow naturally to the fast drainage ring ditch 3 under the action of gravity, avoiding sludge accumulation. The sludge discharge port 8 is used to introduce sludge into the treatment chamber to ensure the continuity and hygiene of the sludge treatment process.

[0023] In this embodiment, the lifting and rinsing mechanism 4 includes a rotating seat 41 driven by a drive source. The rotating seat 41 is rotatably mounted on the top of the sludge dewatering and feeding chamber 1. Multiple annularly arranged electric cylinders 46 and a corrugated telescopic hose 45 located at the center of the multiple electric cylinders 46 are installed at the bottom of the rotating seat 41. The corrugated telescopic hose 45 and the multiple electric cylinders 46 are mounted on the same integrated plate 42. The cleaning nozzle 43 is fixedly mounted on the bottom of the integrated plate 42 and is connected to the corrugated telescopic hose 45. The outer surface of the cleaning nozzle 43 is provided with multiple evenly distributed rinsing ports 44. By setting up the lifting and rinsing mechanism 4, the control system can control the multiple electric cylinders 46 to extend and retract when needed, thereby driving the lifting and lowering of the cleaning nozzle 43. The corrugated telescopic hose 45 can adaptively adjust the length of the water delivery path according to the degree of extension and retraction. The rotating seat 41 driven by the drive source can drive the entire lifting and rinsing mechanism 4 to rotate, thereby driving the cleaning nozzle 43 to rotate and rinse, greatly improving the rinsing and cleaning effect.

[0024] In this embodiment, the driving source is a drive motor 51. A rotary drive mechanism 5 is provided above the sludge dewatering and feeding chamber 1. The rotary drive mechanism 5 includes a drive gear 52 that is connected to the output shaft of the drive motor 51. A transmission gear 53 meshes with one side of the drive gear 52. A driven gear sleeve 54 meshes with the end of the transmission gear 53 away from the drive gear 52. An inner water pipe 55 is fixedly sleeved on the inner surface of the driven gear sleeve 54. The inner water pipe 55 is rotatably installed on the top of the sludge dewatering and feeding chamber 1 and is connected to the corrugated telescopic hose 45. A rotary seal 56 is rotatably installed on the upper end of the inner water pipe 55. A water supply branch pipe is connected to the upper end of the rotary seal 56, and the other end of the water supply branch pipe is connected to the main water supply pipe 9. The rotary drive mechanism 5 can drive the rotating seat 41 to rotate, thereby driving the cleaning nozzle 43 to rotate and achieve all-round rinsing. The rotary seal 56 ensures that the water circuit is sealed during rotation to prevent water leakage. The inner water pipe 55 rotates smoothly through gear transmission, improving the system reliability and service life.

[0025] In this embodiment, a booster pump 7 is connected between the water supply branch pipe and the water supply main pipe 9, and an electric valve is also installed on the water supply branch pipe. Both the booster pump 7 and the electric valve are electrically connected to the control system 6. The booster pump 7 can increase the water supply pressure, improve the impact force of the flushing water flow, and enhance the cleaning effect. The electric valve can precisely control the flow of water. The control system 6 can automatically adjust the pump pressure and valve opening and closing time according to the sludge treatment requirements to achieve energy saving and precise control, and avoid water waste.

[0026] In this embodiment, the self-leveling floor 2 is an epoxy self-leveling floor, with its slope gradually increasing from its center towards the rapid drainage ring ditch 3, forming a gradual slope. This gradual slope design allows sludge and flushing water to flow naturally and evenly into the drainage ring ditch under gravity, avoiding localized water accumulation and sludge residue. The epoxy self-leveling floor has wear-resistant, corrosion-resistant, and easy-to-clean properties, making it suitable for long-term use in sludge treatment environments. The slope range of the epoxy self-leveling floor is 2% to 2.5%. Nanoscale lubricants and antistatic agents are added to the epoxy self-leveling floor material. The 2% to 2.5% slope range optimizes the sludge flow rate, preventing excessively fast flow leading to splashing or excessively slow flow leading to accumulation. The nanoscale lubricant reduces the frictional resistance between the sludge and the ground, promoting sludge sliding; the antistatic agent prevents electrostatic adsorption of sludge particles, reducing ground contamination and extending the floor's service life.

[0027] In this embodiment, a liquid level sensor 61 and a sludge concentration sensor 62 are installed inside the rapid drainage ring ditch 3, and a drain outlet 10 is also provided on the rapid drainage ring ditch 3. The liquid level sensor 61 can monitor the mud and water level in the ring ditch in real time, and automatically trigger the flushing operation when the liquid level reaches the set height; the sludge concentration sensor 62 can detect the sludge concentration in the mud and water, providing data support for the control system; the drain outlet 10 is used to discharge the flushed sludge in a timely manner to ensure the cleanliness and continuous operation of the treatment chamber.

[0028] In this embodiment, a ring-shaped wave structure is provided on one vertical inner wall of the rapid drainage annular ditch 3. This wave structure promotes turbulent water flow, reducing the risk of sludge adhesion and clogging. Simultaneously, the wave structure helps guide the water flow direction, improving drainage efficiency and the self-cleaning ability of the annular ditch. A wave-shaped guide wall 31 is provided on the vertical inner wall of the rapid drainage annular ditch 3, and a water-guiding bottom membrane 32 is provided at the bottom of the rapid drainage annular ditch 3. The water-guiding bottom membrane 32 is a silicone membrane, and its upper surface has a gradient array of at least two different diameter nano-protrusions 33, with the distance between the nano-protrusions 33 and their gradient array being 50 nanometers to 15 nanometers. The difference in hydrophobicity caused by the 33-nanometer gradient array of nano-convex spheres allows the mud and water on the surface of the silicone film to spontaneously move towards the arrangement direction of the gradient array. This spontaneous movement of mud and water towards the arrangement direction of the gradient array means that the mud and water contact angle of the small-diameter array is greater than that of the large-diameter array. Based on the surface energy gradient law, it is deduced that the larger the mud and water contact angle, the stronger the surface hydrophobicity and the smaller the surface energy. Thus, the mud and water spontaneously move from the low surface energy region to the high surface energy region, thereby enabling the 33-nanometer gradient array of nano-convex spheres to form a better micro-nano structure, which can guide the mud and water to flow more orderly towards the sewage outlet 10.

[0029] In this embodiment, the liquid level sensor 61 is used to quickly drain the mud and water level of the ring ditch 3 and activates the cleaning nozzle 43 when the liquid level reaches a set height; the sludge concentration sensor 62 is used to detect the sludge concentration in the mud and water, and automatically adjusts the output pressure of the booster pump 7 and the start and stop time of the electric valve when the sludge concentration reaches a set value. The liquid level sensor 61 ensures timely flushing and prevents mud and water overflow; the sludge concentration sensor 62 realizes adaptive control, dynamically adjusting the flushing intensity and time according to the sludge concentration to optimize the treatment effect and save water and energy.

[0030] This invention also proposes a method for using a sludge treatment system for solid waste sludge treatment, comprising the following steps: Step 1: Start the sludge treatment system. The sludge enters the sludge dewatering and feeding chamber through the sludge discharge port. Step 2: The control system receives the operation command, starts the lifting and rinsing mechanism, and the electric cylinder drives the cleaning nozzle to rise and fall to 200mm above the sludge surface to start spraying water to rinse the sludge. Step 3: The slope design of the self-leveling floor causes the sludge to flow towards the rapid drainage ring ditch, with the flow velocity controlled between 0.5m / s and 1m / s; Step 4: The liquid level sensor in the quick drainage ring trench monitors the mud and water level. When the liquid level reaches the set height, the control system starts the cleaning nozzle to flush for 5 to 10 minutes. Step 5: The sludge concentration sensor detects the sludge concentration in the sludge solution. When the sludge concentration reaches the set value, the control system automatically adjusts the output pressure of the booster pump and the start and stop time of the electric valve to keep the sludge concentration within the set range. Step 6: The rinsed sludge is discharged through the drain outlet, completing the sludge treatment. The drain outlet should be opened within 2 minutes after each rinse to ensure that the sludge is completely discharged.

[0031] In summary, this invention achieves automatic cleaning of the sludge dewatering and feeding chamber through the coordinated use of a lifting and flushing mechanism and a control system, reducing the time and labor intensity of manual cleaning and improving the efficiency of sludge treatment. Furthermore, the design of a self-leveling floor and a rapid drainage ring effectively prevents sludge accumulation and spread during treatment, reducing secondary pollution to the environment. Simultaneously, the control system enables periodic flushing at set time intervals, achieving intelligent control of the sludge treatment process, reducing operational difficulty, and improving the accuracy and reliability of the treatment.

[0032] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A sludge treatment system for solid waste sludge treatment, characterized in that, The utility model provides a sludge dewatering and discharging treatment chamber (1) and a control system (6), the lifting and washing mechanism (4) is arranged in the center position of the top of sludge dewatering and discharging treatment chamber (1), and the upper end of lifting and washing mechanism (4) is connected with water supply main pipe (9), and the bottom of lifting and washing mechanism (4) is provided with cleaning nozzle (43), the control system (6) includes control button, is used to control the lifting and washing of cleaning nozzle (43) and water spraying, and can set time interval and carry out regular washing, the bottom of sludge dewatering and discharging treatment chamber (1) is provided with the self-leveling ground (2) with gradient, and the outer surface of self-leveling ground (2) is provided with quick drainage ring ditch (3), and the top of sludge dewatering and discharging treatment chamber (1) is provided with sludge discharging port (8) on the side of lifting and washing mechanism (4).

2. The sludge treatment system for solid waste sludge treatment according to claim 1, characterized by The lifting and washing mechanism (4) includes the rotation seat (41) that is rotated by the drive source, and the rotation seat (41) is rotatably installed on the top of sludge dewatering and discharging treatment chamber (1), a plurality of annularly arranged electric cylinders (46) and the corrugated flexible hose (45) located at the center position of the plurality of electric cylinders (46) are installed on the bottom of the rotation seat (41), the corrugated flexible hose (45) and the bottom end of the plurality of electric cylinders (46) are installed with the same integrated plate (42), the cleaning nozzle (43) is fixedly installed on the bottom of the integrated plate (42), and the cleaning nozzle (43) is communicated with the corrugated flexible hose (45), and the outer surface of the cleaning nozzle (43) is provided with a plurality of evenly distributed washing ports (44).

3. The sludge treatment system for solid waste sludge treatment according to claim 2, characterized by The drive source is a driving motor (51), and the upper portion of the sludge dewatering and discharging treatment chamber (1) is provided with a rotary drive mechanism (5), the rotary drive mechanism (5) includes a drive gear (52) in transmission connection with the output shaft of the driving motor (51), one side of the drive gear (52) is engaged with a transmission gear (53), one end of the transmission gear (53) away from the drive gear (52) is engaged with a driven gear sleeve (54), the inner surface of the driven gear sleeve (54) is fixedly sleeved with an inner water pipe (55), and the inner water pipe (55) is rotatably installed on the top of the sludge dewatering and discharging treatment chamber (1) and communicated with the corrugated flexible hose (45), the upper end of the inner water pipe (55) is rotatably installed with a rotary sealing element (56), the upper end of the rotary sealing element (56) is connected with a water supply branch pipe, and the other end of the water supply branch pipe is connected and communicated with the water supply main pipe (9).

4. The sludge treatment system for solid waste sludge treatment according to claim 3, characterized by The water supply branch pipe and the water supply main pipe (9) are connected with a booster pump (7), and an electric valve is further arranged on the water supply branch pipe, and the booster pump (7) and the electric valve are electrically connected with the control system (6).

5. The sludge treatment system for solid waste sludge treatment according to claim 4, characterized by The self-leveling ground (2) is an epoxy self-leveling floor, and the gradient gradually increases from the center position to the quick drainage ring ditch (3), forming a gradient.

6. The sludge treatment system for solid waste sludge treatment according to claim 5, characterized by The vertical inner wall of one side of the quick drainage ring ditch (3) is provided with a ring-shaped wave structure.

7. The sludge treatment system for solid waste sludge treatment according to claim 6, characterized by The quick drainage ring ditch (3) is internally provided with a liquid level sensor (61) and a sludge concentration sensor (62), and the upper portion of the quick drainage ring ditch (3) is further provided with a sewage outlet (10).

8. The sludge treatment system for solid waste sludge treatment according to claim 7, characterized by The liquid level sensor (61) is used for the sludge-water liquid level of the quick drainage ring ditch (3) and starts the cleaning nozzle (43) when the liquid level reaches the set height; the sludge concentration sensor (62) is used for detecting the sludge concentration in the sludge-water, and automatically adjusts the output pressure of the booster pump (7) and the start-stop time of the electric valve when the sludge concentration reaches the set value.

9. The sludge treatment system for solid waste sludge treatment and method of using the same according to claim 8, characterized by, The slope of the epoxy self-leveling floor ranges from 2% to 2.5%, and the material of the epoxy self-leveling floor is added with a nano-sized lubricant and an antistatic agent.

10. A method of using a sludge treatment system for solid waste sludge treatment according to any one of claims 1-9, characterized in that, The method comprises the following steps: Step 1: start the sludge treatment system, and the sludge enters the sludge dewatering discharge treatment chamber through a sludge discharge port; Step 2: the control system receives an operation instruction, starts the lifting and flushing mechanism, and drives the cleaning nozzle to be lifted to a position 200 mm above the surface of the sludge by the electric cylinder, and starts to flush the sludge with water; Step 3: the slope of the self-leveling floor is designed to make the sludge flow towards the quick drainage ring ditch, and the flow rate is controlled to be between 0.5 m / s and 1 m / s; Step 4: the liquid level sensor in the quick drainage ring ditch monitors the sludge-water liquid level, and when the liquid level reaches the set height, the control system starts the cleaning nozzle to flush, and the flushing time is 5 minutes to 10 minutes; Step 5: the sludge concentration sensor detects the sludge concentration in the sludge-water, and when the sludge concentration reaches the set value, the control system automatically adjusts the output pressure of the booster pump and the start-stop time of the electric valve to keep the sludge concentration within the set range; Step 6: the flushed sludge is discharged through the sewage outlet, and the sludge treatment is completed, and the sewage outlet is opened within 2 minutes after each flushing to ensure that the sludge is completely discharged.

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