An energy-saving and environmentally friendly multi-stage water pollution control equipment

Abstract

This invention relates to the field of multi-stage water pollution control technology, and discloses an energy-saving and environmentally friendly multi-stage water pollution control device, including a base, a collection component on the top of the base, a water storage component on the top of the base, a chemical treatment tank fixedly connected to the top of the base, a drive component on the top of the chemical treatment tank, a connecting rod fixedly connected to the outside of the drive component, a rotating ring fixedly connected to the bottom of the connecting rod, a fixed gear fixedly connected to the inside of the chemical treatment tank, a rotating rod fixedly connected to the outside of the drive component, a rotating gear rotatably connected to one end of the rotating rod, and a guide frame fixedly connected to the inside of the chemical treatment tank. In this invention, through the mechanical linkage of the fixed gear, the rotating gear, and the sliding gear, the rotational motion is converted into the reciprocating sliding of the baffle plate, realizing the quantitative intermittent addition of the reagent synchronously with the stirring process, and achieving sufficient mixing and quantitative intermittent feeding in the wastewater treatment process.

Description

Technical Field

[0001] This invention relates to the field of multi-level water pollution control technology, and in particular to an energy-saving and environmentally friendly multi-level water pollution control device. Background Technology

[0002] Water pollution prevention and control refers to the comprehensive legal, administrative, economic, technological, and social measures taken to prevent, control, and treat water pollution, protect and improve water environmental quality, and ensure drinking water safety and ecosystem health. It coordinates three key aspects: water resource protection, water pollution control, and water ecological restoration, while also considering the synergistic treatment of point source, non-point source, and endogenous pollution. Its main components include strictly controlling point source pollution such as industrial wastewater and urban sewage; preventing non-point source pollution such as agricultural fertilizers and pesticides and livestock farming; and treating endogenous pollution such as riverbed sediment and garbage dumping. Simultaneously, it strengthens the protection of drinking water sources and promotes the resource utilization of wastewater. The fundamental goal of water pollution prevention and control is to maintain the ecological function of water bodies, continuously improve water environmental quality, and provide solid support for building a beautiful China.

[0003] However, some existing multi-stage water pollution control equipment typically adds the treatment agents to the reaction tank all at once during use. This results in insufficient reaction during the stirring process, severely restricting water treatment efficiency and the stability of effluent quality. This crude dosing method leads to extremely uneven concentration distribution of the agents in the water. Excessive agents in some areas not only waste agents and increase treatment costs but also trigger secondary chemical reactions that produce toxic byproducts. Meanwhile, insufficient agent concentration in most areas makes it difficult for the agents to fully combine with pollutants, preventing the effective flocculation, sedimentation, or oxidative decomposition of suspended solids, heavy metal ions, and organic pollutants. At the same time, one-time dosing cannot match the gradient reaction requirements of multi-stage treatment units. Excessive agents in the upstream reaction tank and insufficient agents in the downstream reaction tank lead to a significant increase in the load on subsequent filtration and adsorption units, easily causing problems such as filter media clogging and rapid saturation of activated carbon.

[0004] Therefore, an energy-saving and environmentally friendly multi-stage water pollution control device is proposed to address the above problems. Summary of the Invention

[0005] To overcome the above shortcomings, this invention provides an energy-saving and environmentally friendly multi-stage water pollution control device.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] An energy-saving and environmentally friendly multi-stage water pollution control device includes a base, a collection component and a water storage component on the top of the base, a chemical treatment tank fixedly connected to the top of the base, a drive component on the top of the chemical treatment tank, a connecting rod fixedly connected to the outside of the drive component, a rotating ring fixedly connected to the bottom of the connecting rod, a fixed gear fixedly connected to the inside of the chemical treatment tank, a rotating rod fixedly connected to the outside of the drive component, a rotating gear rotatably connected to one end of the rotating rod, a guide frame fixedly connected to the inside of the chemical treatment tank, a limit shaft slidably connected inside the guide frame, a sliding gear rotatably connected to the outside of the limit shaft, a connecting plate fixedly connected to the bottom of the sliding gear, a top plate fixedly connected to one side of the connecting plate, a fixed frame fixedly connected to the outside of the chemical treatment tank, a positioning shaft fixedly connected inside the fixed frame, a rotating plate rotatably connected to the outside of the positioning shaft, and a moving component on one side of the rotating plate.

[0008] As a further description of the above technical solution:

[0009] The collection assembly includes a support frame, the bottom of which is fixedly connected to the top of the base. A sludge filter frame is installed inside the support frame, and a sewage pump is installed on the top of the base.

[0010] As a further description of the above technical solution:

[0011] The water storage assembly includes an outer frame, the bottom of which is fixedly connected to the top of the base. A collection tank is installed inside the outer frame, a water pump is installed on the top of the base, and a delivery pump is installed outside the chemical treatment tank.

[0012] As a further description of the above technical solution:

[0013] The drive assembly includes a motor, the bottom of which is mounted on the top of the chemical treatment tank. A rotating shaft is fixedly connected to the output end of the motor. A stirring blade is fixedly connected to the outside of the rotating shaft. An arc-shaped through hole is opened inside the stirring blade. A stirring plate is fixedly connected inside the rotating ring. A triangular through hole is opened inside the stirring plate.

[0014] As a further description of the above technical solution:

[0015] The moving component includes a movable ball, which is externally and movably connected to the inside of the rotating plate. A moving rod is fixedly connected to one side of the movable ball. A limit frame is fixedly connected to the top of the fixed frame. An isolation plate is fixedly connected to one side of the moving rod. A feed pipe is fixedly connected to the top of the chemical treatment tank. A water inlet pipe is fixedly connected to the top of the chemical treatment tank. A chute is provided inside the chemical treatment tank.

[0016] As a further description of the above technical solution:

[0017] One side of the rotating rod is fixedly connected to the outside of the rotating shaft, and the fixed gear and the rotating gear are meshed together.

[0018] As a further description of the above technical solution:

[0019] The rotating gear and the sliding gear are meshed together, and the top of the limiting shaft is rotatably connected to the inside of the connecting rod.

[0020] As a further description of the above technical solution:

[0021] The outer part of the rotating ring is rotatably connected to the inside of the chemical treatment tank, and the bottom of the stirring plate is slidably connected to the inside of the chemical treatment tank.

[0022] As a further description of the above technical solution:

[0023] One side of the ejector plate is in contact with one side of the rotating plate, and a torsion spring for resetting is provided between the positioning shaft and the fixing frame.

[0024] As a further description of the above technical solution:

[0025] The outside of the partition plate is slidably connected to the inside of the feed pipe, and the inside of the partition plate has a through hole for discharging material.

[0026] The present invention has the following beneficial effects:

[0027] 1. In this invention, the rotational motion is converted into the reciprocating sliding of the isolation plate through the mechanical linkage of the fixed gear, rotating gear and sliding gear, so as to realize the quantitative intermittent addition of the agent in sync with the stirring process. This achieves full mixing and quantitative intermittent feeding in the sewage treatment process. The equipment integrates collection and filtration, reaction treatment and water storage and discharge into one integrated process. It is stable and energy-saving in operation, and the sewage treatment efficiency is significantly improved. Attached Figure Description

[0028] Figure 1 This is a three-dimensional schematic diagram of an energy-saving and environmentally friendly multi-stage water pollution control device proposed in this invention;

[0029] Figure 2 This is a schematic diagram of the collection tank structure of an energy-saving and environmentally friendly multi-stage water pollution control device proposed in this invention;

[0030] Figure 3 This is a schematic diagram of the sludge filter frame structure of an energy-saving and environmentally friendly multi-stage water pollution control device proposed in this invention.

[0031] Figure 4 This is a schematic diagram of the connecting rod structure of an energy-saving and environmentally friendly multi-stage water pollution control device proposed in this invention;

[0032] Figure 5 This is a schematic diagram of the mixing plate structure of an energy-saving and environmentally friendly multi-stage water pollution control device proposed in this invention;

[0033] Figure 6 This is a schematic diagram of the rotating gear structure of an energy-saving and environmentally friendly multi-stage water pollution control device proposed in this invention;

[0034] Figure 7 This is a schematic diagram of the fixed gear structure of an energy-saving and environmentally friendly multi-stage water pollution control device proposed in this invention;

[0035] Figure 8 This is a schematic diagram of the fixed frame structure of an energy-saving and environmentally friendly multi-stage water pollution control device proposed in this invention;

[0036] Figure 9 for Figure 8 Enlarged view of point A in the middle.

[0037] Legend:

[0038] 1. Base; 2. Support frame; 3. Sludge filter frame; 4. Sewage pump; 5. Outer frame; 6. Collection tank; 7. Water pump; 8. Chemical treatment tank; 9. Transfer pump; 10. Motor; 11. Rotating shaft; 12. Agitator blade; 13. Connecting rod; 14. Rotating ring; 15. Agitator plate; 16. Triangular through hole; 17. Arc-shaped through hole; 18. Fixed gear; 19. Rotating rod; 20. Rotating gear; 21. Limiting shaft; 22. Sliding gear; 23. Connecting plate; 24. Ejector plate; 25. Slide groove; 26. Fixed frame; 27. Positioning shaft; 28. Rotating plate; 29. ​​Movable ball; 30. Moving rod; 31. Isolation plate; 32. Limiting frame; 33. Feed pipe; 34. Water inlet pipe; 35. Guide frame. Detailed Implementation

[0039] 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.

[0040] Reference Figures 1 to 3The present invention provides an embodiment of an energy-saving and environmentally friendly multi-stage water pollution control device, comprising a base 1. The base 1 serves as the basic load-bearing structure of the entire energy-saving and environmentally friendly multi-stage water pollution control device, possessing excellent load-bearing capacity and corrosion resistance. A collection component is provided on the top of the base 1, the collection component including a support frame 2. The bottom of the support frame 2 is fixedly connected to the top of the base 1. The support frame 2 is a rectangular box structure with an opening at the top, facilitating the installation and removal of a sludge filter frame 3. A sludge filter frame 3 is installed inside the support frame 2. The sludge filter frame 3 is provided with a filter module for filtration, used to achieve preliminary filtration of sewage, removing sludge and larger solid impurities. A sewage pump 4 is installed on the top of the base 1. The sewage pump 4 is a self-priming centrifugal pump. A water storage component is provided on the top of the base 1, the water storage component including an outer frame 5. The bottom of the outer frame 5 is fixedly connected to the top of the base 1. The outer frame 5 is a rectangular box structure with an opening at the top, facilitating the installation and removal of a collection tank 6.

[0041] Reference Figures 3 to 5 The outer frame 5 houses a collection tank 6, which stores a certain amount of purified water. A centrifugal pump 7 is installed on top of the base 1. The inlet of the pump 7 is connected to the outlet at the bottom of the outer frame 5 via a pipe, and the outlet is connected to an external drainage system via a pipe. A centrifugal pump 9 is installed on the outside of the chemical treatment tank 8, which quickly transports the purified water from the chemical treatment tank 8 to the collection tank 6. The chemical treatment tank 8 is fixedly connected to the top of the base 1. The chemical treatment tank 8 is a vertical cylindrical sealed tank structure and is the core component for wastewater treatment. A drive assembly, including a motor 10, is installed on the top of the chemical treatment tank 8. The bottom of the motor 10 is installed on the top of the chemical treatment tank 8. The motor 10 is a three-phase asynchronous motor, which is installed on the top of the chemical treatment tank 8 and can provide sufficient power for the stirring and reagent addition mechanism of the equipment. The output end of the motor 10 is fixedly connected to the rotating shaft 11. The rotating shaft 11 rotates when the motor 10 is started to achieve stirring. The outside of the rotating shaft 11 is fixedly connected to the stirring blade 12. When the stirring blade 12 rotates with the rotating shaft 11, it can generate strong disturbance to the sewage in the chemical treatment tank 8. The inside of the stirring blade 12 is provided with an arc-shaped through hole 17. The function of the arc-shaped through hole 17 is to allow the water to flow through the through hole to form multiple small vortices when the stirring blade 12 rotates, thereby enhancing the stirring and mixing effect and allowing the sewage and treatment reagent to come into more complete contact and react.

[0042] Reference Figures 4 to 6A stirring plate 15 is fixedly connected inside the rotating ring 14. When the stirring plate 15 rotates with the rotating ring 14, it can generate a strong stirring effect on the sewage in the chemical treatment tank 8. The bottom of the stirring plate 15 is slidably connected to the inside of the chemical treatment tank 8. A triangular through hole 16 is opened inside the stirring plate 15. The function of the triangular through hole 16 is to allow water to flow through the through hole to form multiple small turbulences when the stirring plate 15 rotates, thereby enhancing the stirring and mixing effect and allowing the sewage and treatment agents to come into more full contact and react. A connecting rod 13 is fixedly connected to the outside of the drive component. The function of the connecting rod 13 is to transmit the power of the rotating shaft 11 to the rotating ring 14, thereby driving the rotating ring 14 to rotate synchronously with the rotating shaft 11. Meanwhile, the connecting rod 13 is also rotatably connected to a limiting shaft 21, which provides support and a rotation center for the sliding gear 22. A rotating ring 14 is fixedly connected to the bottom of the connecting rod 13. The outside of the rotating ring 14 is rotatably connected to the inside of the chemical treatment tank 8. The rotating ring 14 is a circular ring structure with an outer diameter that matches the inner diameter of the chemical treatment tank 8, allowing it to rotate freely inside the chemical treatment tank 8. A fixed gear 18 is fixedly connected inside the chemical treatment tank 8. A rotating rod 19 is fixedly connected to the outside of the drive assembly. When the rotating gear 20 revolves with the rotating rod 19, it will rotate under the action of the fixed gear 18. One side of the rotating rod 19 is fixedly connected to the outside of the rotating shaft 11. The function of the rotating rod 19 is to transmit the power of the rotating shaft 11 to the rotating gear 20.

[0043] Reference Figures 5 to 7 A rotating gear 20 is rotatably connected to one end of the rotating rod 19. The fixed gear 18 and the rotating gear 20 are meshed. The function of the rotating gear 20 is to convert the reaction force of the fixed gear 18 into its own rotational motion and transmit this motion to the sliding gear 22, thereby realizing the transmission and conversion of power. A guide frame 35 is fixedly connected inside the chemical treatment tank 8. The function of the guide frame 35 is to provide guidance for the limiting shaft 21 and the sliding gear 22, ensuring that the sliding gear 22 can maintain a good meshing state with the rotating gear 20, and converting the rotational motion of the sliding gear 22 into... The linear reciprocating motion is achieved by a limiting shaft 21 internally connected to the guide frame 35. The limiting shaft 21 provides support and a rotation center for the sliding gear 22. The top of the limiting shaft 21 is rotatably connected to the inside of the connecting rod 13, and the external of the limiting shaft 21 is rotatably connected to the sliding gear 22. The function of the sliding gear 22 is to convert the rotational motion of the rotating gear 20 into its own rotational motion. Through the cooperation of the limiting shaft 21 and the guide frame 35, the rotational motion is converted into linear reciprocating motion, thereby driving the ejector plate 24 to reciprocate. The rotating gear 20 and the sliding gear 22 are meshed.

[0044] Reference Figures 6 to 8A connecting plate 23 is fixedly connected to the bottom of the sliding gear 22. The function of the connecting plate 23 is to transmit the linear reciprocating motion of the sliding gear 22 to the ejector plate 24, causing the ejector plate 24 to reciprocate synchronously. The ejector plate 24 is fixedly connected to one side of the connecting plate 23. The function of the ejector plate 24 is to reciprocate under the drive of the sliding gear 22, periodically pushing the rotating plate 28, causing the rotating plate 28 to rotate around the positioning shaft 27. A fixing frame 26 is fixedly connected to the outside of the chemical treatment tank 8. The fixing frame 26 is used to guide the movement of the moving rod 30. The positioning shaft 27 is fixedly connected inside the fixing frame 26. A torsion spring for resetting is provided. The positioning shaft 27 provides a rotation center for the rotating plate 28. One end of the torsion spring is fixedly connected to the positioning shaft 27, and the other end is fixedly connected to the rotating plate 28. When the rotating plate 28 rotates around the positioning shaft 27, the torsion spring generates a torsional torque, providing a resetting force for the rotating plate 28. The rotating plate 28 is rotatably connected to the outside of the positioning shaft 27. One side of the ejector plate 24 is in contact with one side of the rotating plate 28. When the ejector plate 24 pushes one side of the rotating plate 28, the rotating plate 28 will rotate around the positioning shaft 27, compressing the torsion spring at the same time. When the ejector plate 24 retracts, the rotating plate 28 will rotate in the opposite direction under the action of the torsion spring, returning to its initial position.

[0045] Reference Figures 7 to 9A movable component is provided on one side of the rotating plate 28. The movable component includes a movable ball 29, which is externally and movably connected to the inside of the rotating plate 28. The function of the movable ball 29 is to realize the movable connection between the rotating plate 28 and the movable rod 30, and to compensate for the angle change caused by the swing of the rotating plate 28, so that the movable rod 30 always maintains a linear motion. The movable rod 30 is fixedly connected to one side of the movable ball 29. The function of the movable rod 30 is to convert the swing motion of the rotating plate 28 into its own linear reciprocating motion, and to drive the isolation plate 31 to slide inside the feed pipe 33, so as to realize the quantitative intermittent addition of the processed agent. The top of the fixed frame 26 is fixedly connected to the limit frame 32. The function of the limit frame 32 is to provide guidance and support for the movement of the movable rod 30. The isolation plate 31 is fixedly connected to one side of the movable rod 30. When the isolation plate 31 slides inside the feed pipe 33 under the drive of the movable rod 30, the through hole will periodically align with the feed pipe 33. When the through hole is aligned with the feed pipe 33, the treatment agent can enter the chemical treatment tank 8 through the through hole; when the through hole is misaligned with the feed pipe 33, the baffle plate 31 will block the feed pipe 33 and stop the addition of the agent. The baffle plate 31 has a through hole for discharging. The top of the chemical treatment tank 8 is fixedly connected to the feed pipe 33. The function of the feed pipe 33 is to transport the treatment agent in the external agent storage device to the inside of the chemical treatment tank 8, and cooperate with the baffle plate 31 to realize the quantitative intermittent addition of the treatment agent. The outside of the baffle plate 31 is slidably connected to the inside of the feed pipe 33. The top of the chemical treatment tank 8 is fixedly connected to the water inlet pipe 34. The function of the water inlet pipe 34 is to input the pre-filtered sewage into the chemical treatment tank 8. The inside of the chemical treatment tank 8 is provided with a sliding groove 25. The sliding groove 25 is a rectangular groove that can provide guidance for the reciprocating movement of the ejector plate 24 and prevent the ejector plate 24 from deviating during the movement.

[0046] Working Principle: During operation, wastewater first enters the sludge filter frame 3 inside the support frame 2 of the collection assembly to complete the initial filtration of sludge and large particulate impurities. The filtered wastewater is then directly transported to the chemical treatment tank 8 by the wastewater pump 4. The motor 10 at the top of the chemical treatment tank 8 starts running, driving the rotating shaft 11 at its output end to rotate. The rotating shaft 11 drives the stirring blade 12 to rotate, and simultaneously drives the connecting rod 13 to rotate synchronously. The connecting rod 13 drives the rotating ring 14 and the stirring plate 15 inside the rotating ring 14 to rotate inside the chemical treatment tank 8. With the arc-shaped through hole 17 opened in the stirring blade 12 and the triangular through hole 16 opened in the stirring plate 15, the wastewater inside the chemical treatment tank 8 is efficiently disturbed and mixed. On the other hand, the rotating shaft 11 drives the rotating rod 19 to rotate, causing the rotating gear 20 at the end of the rotating rod 19 to mesh and rotate along the fixed gear 18 fixed inside the chemical treatment tank 8, thereby driving the sliding gear 22 meshing with the rotating gear 20 to rotate. The sliding gear 22 is guided by the limiting shaft 21 at the top. The frame 35 slides linearly back and forth. The sliding gear 22 drives the ejector plate 24 to move back and forth through the connecting plate 23. The ejector plate 24 periodically pushes the rotating plate 28 inside the external fixed frame 26 of the chemical treatment tank 8. The rotating plate 28 rotates around the positioning shaft 27 and achieves a reset swing under the action of the torsion spring. The rotating plate 28 drives the moving rod 30 to move through the movable ball 29, so that the isolation plate 31 at one end of the moving rod 30 slides inside the feed pipe 33. When the discharge through hole on the isolation plate 31 is aligned with the feed pipe 33, the treatment is achieved. The chemical agent is added in a quantitative and intermittent manner. The agent enters the chemical treatment tank 8 through the feed pipe 33 and is fully mixed and reacted with the sewage entering through the water inlet pipe 34 under the action of stirring, thus completing the multi-stage purification treatment of water pollution. After purification, the water is transported by the transfer pump 9 to the collection tank 6 inside the outer frame 5 of the water storage component for collection and storage. Finally, the purified water that meets the standards is discharged to the outside through the water pump 7, realizing the energy-saving and environmentally friendly multi-stage prevention and control of water pollution by integrating sewage collection, preliminary filtration, quantitative dosing, stirring reaction, purification collection and discharge.

[0047] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. An energy-saving and environmentally friendly multi-stage water pollution control device, comprising a base (1), characterized in that: A collection component is provided on the top of the base (1), a water storage component is provided on the top of the base (1), a chemical treatment tank (8) is fixedly connected to the top of the base (1), a drive component is provided on the top of the chemical treatment tank (8), a connecting rod (13) is fixedly connected to the outside of the drive component, a rotating ring (14) is fixedly connected to the bottom of the connecting rod (13), a fixed gear (18) is fixedly connected to the inside of the chemical treatment tank (8), a rotating rod (19) is fixedly connected to the outside of the drive component, a rotating gear (20) is rotatably connected to the bottom of one end of the rotating rod (19), and the chemical treatment tank ( The chemical treatment tank (8) is internally fixedly connected to a guide frame (35), and the guide frame (35) is internally slidably connected to a limiting shaft (21). The limiting shaft (21) is externally rotatably connected to a sliding gear (22). The bottom of the sliding gear (22) is fixedly connected to a connecting plate (23). One side of the connecting plate (23) is fixedly connected to an ejector plate (24). The chemical treatment tank (8) is externally fixedly connected to a fixed frame (26). The fixed frame (26) is internally fixedly connected to a positioning shaft (27). The positioning shaft (27) is externally rotatably connected to a rotating plate (28). One side of the rotating plate (28) is provided with a moving component.

2. The energy-saving and environmentally friendly multi-stage water pollution control equipment according to claim 1, characterized in that: The collection assembly includes a support frame (2), the bottom of which is fixedly connected to the top of the base (1), a sludge filter frame (3) is installed inside the support frame (2), and a sewage pump (4) is installed on the top of the base (1).

3. The energy-saving and environmentally friendly multi-stage water pollution control equipment according to claim 1, characterized in that: The water storage assembly includes an outer frame (5), the bottom of which is fixedly connected to the top of the base (1). A collection tank (6) is installed inside the outer frame (5), a water pump (7) is installed on the top of the base (1), and a delivery pump (9) is installed outside the chemical treatment tank (8).

4. The energy-saving and environmentally friendly multi-stage water pollution control equipment according to claim 1, characterized in that: The drive assembly includes a motor (10), the bottom of which is mounted on the top of the chemical treatment tank (8). The output end of the motor (10) is fixedly connected to a rotating shaft (11), and a stirring blade (12) is fixedly connected to the outside of the rotating shaft (11). An arc-shaped through hole (17) is provided inside the stirring blade (12). A stirring plate (15) is fixedly connected inside the rotating ring (14), and a triangular through hole (16) is provided inside the stirring plate (15).

5. The energy-saving and environmentally friendly multi-stage water pollution control equipment according to claim 1, characterized in that: The moving component includes a movable ball (29), which is externally connected to the inside of a rotating plate (28). A moving rod (30) is fixedly connected to one side of the movable ball (29). A limit frame (32) is fixedly connected to the top of the fixed frame (26). An isolation plate (31) is fixedly connected to one side of the moving rod (30). A feed pipe (33) is fixedly connected to the top of the chemical treatment tank (8). A water inlet pipe (34) is fixedly connected to the top of the chemical treatment tank (8). A chute (25) is provided inside the chemical treatment tank (8).

6. The energy-saving and environmentally friendly multi-stage water pollution control equipment according to claim 1, characterized in that: One side of the rotating rod (19) is fixedly connected to the outside of the rotating shaft (11), and the fixed gear (18) and the rotating gear (20) are meshed together.

7. The energy-saving and environmentally friendly multi-stage water pollution control equipment according to claim 1, characterized in that: The rotating gear (20) and the sliding gear (22) are meshed together, and the top of the limiting shaft (21) is rotatably connected to the inside of the connecting rod (13).

8. The energy-saving and environmentally friendly multi-stage water pollution control equipment according to claim 4, characterized in that: The outer part of the rotating ring (14) is rotatably connected to the inside of the chemical treatment tank (8), and the bottom of the stirring plate (15) is slidably connected to the inside of the chemical treatment tank (8).

9. The energy-saving and environmentally friendly multi-stage water pollution control equipment according to claim 1, characterized in that: One side of the ejector plate (24) is in contact with one side of the rotating plate (28), and a torsion spring for resetting is provided between the positioning shaft (27) and the fixing frame (26).

10. The energy-saving and environmentally friendly multi-stage water pollution control equipment according to claim 5, characterized in that: The outside of the partition plate (31) is slidably connected to the inside of the feed pipe (33), and the inside of the partition plate (31) is provided with a through hole for feeding.

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