A high-efficiency purification device for sewage multi-stage treatment

By designing a motor-driven connecting shaft and motion mechanism, the problem of impurity sedimentation and clogging in the purification tower is solved, achieving efficient multi-stage purification of wastewater and ensuring the long-term stable operation of the purification tower.

CN120573783BActive Publication Date: 2026-02-06NANTONG XINGZHAO CIVIL AIR DEFENSE EQUIP CO LTD
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Patent Information

Application Number
CN202510997822.X
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-07-20
Publication Date
2026-02-06
Estimated Expiration
2045-07-20

AI Technical Summary

Technical Problem

Existing purification towers lack a structure that can quickly clean impurities and prevent sedimentation during operation, resulting in reduced purification efficiency and easy clogging.

Method used

The system employs a motor-driven connecting shaft, lifting mechanism, reciprocating mechanism, and reversing mechanism. Through the coordinated movement of the working frame, filter screen, stirring rod, and spraying rod, it achieves the shaking off of impurities, prevents adhesion, and ensures the uniform spraying of purifying agent, thus preventing impurities from settling and clogging.

Benefits of technology

It effectively prevents filter clogging, improves purification efficiency, ensures long-term working efficiency, facilitates the discharge of impurities, and allows for rapid mixing of the purifying agent and liquid, thereby enhancing the purification effect.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application discloses a kind of high-efficiency purification equipment of sewage multistage treatment, belongs to sewage multistage purification technical field, including purification tower, the inside of the purification tower is provided with filter layer, and the upper surface of purification tower is bolted with motor, and the lower surface of purification tower is provided with unloading valve, and the output end of motor is fixedly connected with connecting shaft;The lower end of the left side of the purification tower is bolted with water inlet pipe, and the upper end of the right side of the purification tower is bolted with water outlet pipe.The high-efficiency purification equipment of sewage multistage treatment, when working, sewage enters the inside of purification tower through water inlet pipe, realizes purification filtration by working frame, filter screen and two filter layers, and is discharged from purification tower through water outlet pipe, and in this process, intermittently make motor work, when motor works, working frame does reciprocating linear motion in vertical direction, can shake off impurities inside filter screen, does not occur filter screen is blocked, guarantee the working efficiency of filter screen when long-term use.
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Description

TECHNICAL FIELD

[0001] The application relates to the technical field of sewage multi-stage purification, and particularly relates to an efficient purification equipment for sewage multi-stage treatment. BACKGROUND

[0002] Sewage is derived from various sources, such as factory production sewage and domestic sewage, and the sewage cannot be directly discharged into a river, and needs to be subjected to multi-stage purification to remove pathogenic microorganisms and toxic substances, so as to protect the water environment and the health of residents, and a purification tower needs to be used in the multi-stage treatment and purification of the sewage, the purification tower has the function of physical filtration, and can quickly purify the water body, for example, a sewage purification tower for green construction in Chinese Patent Application No. 202020224012.3 filed on February 28, 2020, which is combined with the top cover to form the purification tower, can be conveniently disassembled, facilitates internal cleaning to keep the purification tower clean, and each structure in the purification tower can be quickly pulled out or inserted, facilitating cleaning, maintenance or replacement and increasing the use convenience, and Chinese Patent Application No. 201811468631.0 filed on December 3, 2018, a sewage purification tower, in which the filter screen and the filter element are arranged, the sewage is added into the tower body from the water inlet, the impurities are removed through the filter screen and the filter element twice, the sewage becomes clean water from the support plate under the purification effect of the first static layer, the second static layer and the third static layer, and the water quality is safe under the sterilization effect of the ultraviolet lamp rod, the water quality is improved, and water is saved, and Chinese Patent Application No. 201921965430.1 filed on November 14, 2019, a sewage treatment and purification tower, in which the lining plate in the tower body separates the filter material into layers, so that the sewage can flow through more filter materials, the lower part of the tower body is in a reverse conical structure, the end is provided with a sludge storage tank, the lower side of the sludge storage tank is provided with a sludge discharge pipe, the sludge discharge pipe is provided with a valve, and the sludge and other impurities deposited at the bottom of the tower body are more convenient to clean, and the impurities can flow out of the tower body under the action of gravity only by opening the valve.

[0003] However, the device in the above application does not have a structure for quickly assisting in cleaning and preventing deposition of impurities in the working process of the purification tower, so that the purification effect is reduced in the later working process of the purification tower, and the impurities are difficult to discharge. SUMMARY

[0004] The purpose of the present application is to provide a sewage multi-stage treatment efficient purification equipment to solve the problem of the above background that the structure does not have a rapid auxiliary cleaning and anti-deposition function during the working process, resulting in a decline in purification effect in the later stage of the purification tower, and also causing the problem of difficult discharge of impurities.

[0005] To achieve the above purpose, the present application provides the following technical scheme: a sewage multi-stage treatment efficient purification equipment, comprising a purification tower, a filter layer is arranged in the purification tower, a motor is bolted to the upper surface of the purification tower, a discharge valve is arranged on the lower surface of the purification tower, and a connecting shaft is fixedly connected to the output end of the motor; a water inlet pipe is bolted to the lower left end of the purification tower, a water outlet pipe is bolted to the upper right end of the purification tower, and a feeding pipe is arranged on the upper surface of the purification tower; a working frame is connected to the inside of the purification tower through a lifting mechanism, and a filter screen is arranged on the inner wall of the working frame; a sliding plate is connected to the inside of the purification tower through a reciprocating mechanism, and a stirring rod is movably connected to the lower surface of the sliding plate; a feeding pipe is connected to the upper end of the inside of the purification tower through a reversing mechanism, and spray rods are arranged at equal angles on the lower surface of the feeding pipe.

[0006] Preferably, the lifting mechanism comprises a guide rod fixedly connected to the inner wall of the purification tower, the front view of the guide rod is inverted "U" type, and the surface of the guide rod is sleeved with the working frame.

[0007] Preferably, the end of the connecting shaft is fixedly connected with a pipe sleeve, a long pin is rotatably arranged on the inner wall of the purification tower, an upper connecting frame is rotatably connected to the surface of the long pin, and a transition rod is fixedly connected to the surface of the long pin.

[0008] Preferably, the transition rod is slidably provided with a sliding block, the upper surface of the sliding block is fixedly connected with a vertical rod, the pipe sleeve is sleeved with the surface of the vertical rod, and the left surface of the long pin is fixedly connected with a circular plate.

[0009] Preferably, the surface of the circular plate is movably provided with long rods, the long rods are symmetrically distributed on both sides of the circular plate, and the ends of the upper long rods are movably arranged on the lower surface of the working frame.

[0010] Preferably, the ends of the lower long rods are movably connected with the sliding plate, the reciprocating mechanism comprises a lower connecting block fixedly connected to the lower surface of the sliding plate, a rotating shaft is rotatably arranged in the lower connecting block, a traction rope is fixedly connected to the lower surface of the working frame, a limiting rod is fixedly connected to the inner wall of the purification tower, the front view of the limiting rod is inverted "L" structure, and the limiting rod is movably connected with the sliding plate.

[0011] Preferably, the traction rope is fixedly connected to the surface of the rotating shaft, the surface of the rotating shaft is fixedly connected with the stirring rods, and the stirring rods are equidistantly distributed on the surface of the rotating shaft and staggered on the surface of the rotating shaft.

[0012] Preferably, the surface of the rotating shaft is fixedly connected with a torsion spring, and the other side of the torsion spring is fixedly connected with the inner wall of the lower connecting block.

[0013] Preferably, the reversing mechanism comprises an inner connecting rod fixedly connected to the inner wall of the purification tower, the feeding pipe is in a circular structure, the inner wall of the feeding pipe is fixedly connected with a connecting rod, the upper surface of the connecting rod is fixedly connected with a force receiving rod, the surface of the connecting shaft is fixedly connected with a fixed plate, the lower surface of the fixed plate is fixedly connected with a push block, the push block is symmetrically distributed on both sides of the fixed plate, the upper surface of the feeding pipe is fixedly connected with a working pipe, and the working pipe is fixedly connected with a feeding pipe on the upper surface of the purification tower through an outer connecting hose.

[0014] Preferably, the end of the push block and the end of the force receiving rod are in an arc structure, the lower surface of the inner connecting rod is fixedly connected with a stand, the stand passes through the connecting rod, the lower surface of the inner connecting rod is fixedly connected with a return spring, the other side of the return spring is fixedly connected with the upper surface of the connecting rod, and the lower surface of the purification tower is in an inclined shape.

[0015] Compared with the prior art, the beneficial effects of the present application are as follows: the novel structure design is adopted, the motor, the connecting shaft, the sleeve, the sliding block, the vertical rod, the long pin and the circular plate are arranged to be in a swinging state, the working frame moves in a reciprocating linear motion in the vertical direction under the action of the long rod and the guide rod, the filter screen is in a vibrating state, impurities can fall off and will not be left, the long-term use of the filter screen is ensured, the stirring rod also moves in a vertical direction, the impurities on the bottom can not be adhered to the inner wall of the purification tower, the stirring rod and the rotating shaft are in a swinging state under the action of the traction rope and the torsion spring, the impurities can be better prevented from depositing, the working efficiency is improved, the feeding pipe and the spraying rod move in a reciprocating linear motion in the vertical direction when the motor works, the spraying rod can better spray the purifying agent, the purifying agent and the liquid can be quickly mixed, and the purifying agent can better play its effect, and the specific contents are as follows:

[0016] In the working process of the sewage multi-stage treatment high-efficiency purification equipment, sewage enters the purification tower through the water inlet pipe, is purified and filtered through the working frame, the filter screen and the two filter layers, and is discharged from the purification tower through the water outlet pipe. During the process, the motor is intermittently worked, the working frame moves in a reciprocating linear motion in the vertical direction when the motor works, the impurities in the filter screen can be shaken off, the filter screen will not be blocked, and the working efficiency of the filter screen during long-term use is ensured.

[0017] The sewage multi-stage treatment efficient purification device, when the working frame moves in the vertical direction, the sliding plate, the rotating shaft and the stirring rod also move in the vertical direction, at this time the stirring rod can prevent the bottom impurities from adhering to the inner wall of the purification tower, in addition, the stirring rod and the rotating shaft are in a swinging state under the action of the traction rope and the torsion spring, which can better prevent the impurities from depositing and improve the working efficiency.

[0018] Further, the stirring rod is in an interlaced distribution state, which optimizes the stirring effect.

[0019] Further, when the impurities inside the purification tower need to be discharged, the discharge valve is opened, and the impurities are discharged, which is high in working efficiency, the impurities will not be left, and the purification tower can be used for a long time.

[0020] (3) The sewage multi-stage treatment efficient purification device, when the motor works, the feeding pipe and the spraying rod move in the vertical direction in a reciprocating straight line, at this time the spraying rod can better spray the purifying agent, and the movement of the feeding pipe and the spraying rod plays a role in stirring the liquid, so that the purifying agent and the liquid can be quickly mixed, and the purifying agent can play a role. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a schematic view of the connection structure of the purification tower and the motor of the application;

[0022] Figure 2 It is a schematic view of the connection structure of the purification tower and the discharge valve of the application;

[0023] Figure 3 It is a schematic view of the internal structure of the purification tower of the application;

[0024] Figure 4 It is a schematic view of the connection structure of the purification tower and the long pin of the application;

[0025] Figure 5 It is a schematic view of the connection structure of the long pin and the transition rod of the application;

[0026] Figure 6 It is a schematic view of the connection structure of the long pin and the transition rod of the application; Figure 5 It is a schematic view of the connection structure of the long pin and the transition rod of the application;

[0027] Figure 7 It is a schematic view of the connection structure of the long pin and the transition rod of the application;

[0028] Figure 8 It is a schematic view of the distribution state structure of the stirring rod of the application;

[0029] Figure 9 It is a schematic view of the distribution state structure of the stirring rod of the application; Figure 8 It is a schematic view of the distribution state structure of the stirring rod of the application;

[0030] Figure 10 The structure diagram of the distribution state of the spraying rod of the application is shown in the figure.

[0031] Figure 11 The structure diagram of the connection between the feeding pipe and the spraying rod of the application is shown in the figure.

[0032] In the figure: 1, purification tower; 2, motor; 3, discharge valve; 4, connecting shaft; 5, guide rod; 6, working frame; 7, long pin; 8, upper connecting frame; 9, transition rod; 10, sliding block; 11, vertical rod; 12, pipe sleeve; 13, circular plate; 14, limiting rod; 15, sliding plate; 16, long rod; 17, lower connecting block; 18, rotating shaft; 19, stirring rod; 20, traction rope; 21, torsion spring; 22, fixed plate; 23, inner connecting rod; 24, stand; 25, feeding pipe; 26, spraying rod; 27, connecting rod; 28, force rod; 29, push block; 30, return spring. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the application will be clearly and completely described below with reference to the drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, rather than all the embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the application.

[0034] The application provides the following technical solution: a high-efficiency purification device for sewage multistage treatment.

[0035] In the embodiment one, the long pin 7 and the circular plate 13 are in a swinging state through the setting of the connecting shaft 4, the transition rod 9, the sliding block 10 and the vertical rod 11, so that the working frame 6 moves in the vertical direction, and the impurities are shaken off. Figures 1-7 As shown in the figure, the device comprises a purification tower 1, a filter layer is arranged in the purification tower 1, a motor 2 is bolted to the upper surface of the purification tower 1, a discharge valve 3 is arranged on the lower surface of the purification tower 1, and a connecting shaft 4 is fixedly connected to the output end of the motor 2; a water inlet pipe is bolted to the left lower end of the purification tower 1, a water outlet pipe is bolted to the right upper end of the purification tower 1, and a feeding pipe is arranged on the upper surface of the purification tower 1; a working frame 6 is connected to the inside of the purification tower 1 through a lifting mechanism, and a filter screen is arranged on the inner wall of the working frame 6; the lifting mechanism comprises a guide rod 5 fixedly connected to the inner wall of the purification tower 1, the front view of the guide rod 5 is inverted "U" type, and the working frame 6 is sleeved and connected to the surface of the guide rod 5.

[0036] The end of the connecting shaft 4 is fixedly connected with a pipe sleeve 12, a long pin 7 is rotatably arranged on the inner wall of the purification tower 1, the surface of the long pin 7 is rotatably connected with an upper connecting frame 8, the surface of the long pin 7 is fixedly connected with a transition rod 9, the transition rod 9 is slidably provided with a sliding block 10, the upper surface of the sliding block 10 is fixedly connected with a vertical rod 11, the pipe sleeve 12 is sleeved and connected on the surface of the vertical rod 11, the left surface of the long pin 7 is fixedly connected with a circular plate 13, the surface of the circular plate 13 is movably provided with long rods 16, the long rods 16 are symmetrically arranged on the two sides of the circular plate 13, and the upper end of the long rod 16 is movably arranged on the lower surface of the working frame 6.

[0037] In working, sewage enters into the purification tower 1 through the water inlet pipe, is purified and filtered through the working frame 6, the filter screen and the two filter layers, and is discharged from the purification tower 1 through the water outlet pipe (as shown in Figure 1 and Figure 2 shown), and in the process, the motor 2 is intermittently started, when the motor 2 is started, the connecting shaft 4 drives the pipe sleeve 12 to rotate, at this time, the pipe sleeve 12 cooperates with the vertical rod 11 and the sliding block 10, so that the long pin 7 swings in the purification tower 1, the long pin 7 drives the circular plate 13 to swing synchronously (as shown in Figure 5 and Figure 6 shown), the circular plate 13 drives the working frame 6 to move through the long rods 16, at this time, the working frame 6 moves in the vertical direction under the action of the guide rod 5, so that the impurities in the filter screen are shaken off, and the filter screen is not blocked, so that the working efficiency of the filter screen is ensured when the filter screen is used for a long time.

[0038] In the second embodiment, the stirring rod 19 is in a swinging state through the rotation shaft 18, the torsional spring 21 and the traction rope 20, so that the impurities are not left on the inner wall of the purification tower 1, as shown in Figures 7-9 The inner wall of the purification tower 1 is connected with a sliding plate 15 through a reciprocating mechanism, the lower surface of the sliding plate 15 is movably connected with the stirring rod 19, the end of the lower long rod 16 is movably connected with the sliding plate 15, the reciprocating mechanism comprises a lower connecting block 17 fixedly connected to the lower surface of the sliding plate 15, the rotation shaft 18 is rotatably arranged in the lower connecting block 17, the lower surface of the working frame 6 is fixedly connected with the traction rope 20, the inner wall of the purification tower 1 is fixedly connected with the limiting rod 14, the front view of the limiting rod 14 is in an inverted "L" structure, and the limiting rod 14 is movably connected with the sliding plate 15.

[0039] The traction rope 20 is fixedly connected to the surface of the rotating shaft 18, the surface of the rotating shaft 18 is fixedly connected with the stirring rods 19, the stirring rods 19 are equidistantly distributed on the surface of the rotating shaft 18, and the stirring rods 19 are staggered on the surface of the rotating shaft 18, the surface of the rotating shaft 18 is fixedly connected with the torsion spring 21, the other side of the torsion spring 21 is fixedly connected with the inner wall of the lower connecting block 17, the inner upper end of the purification tower 1 is connected with the feeding pipe 25 through the reversing mechanism, and the lower surface of the feeding pipe 25 is provided with the spraying rods 26 at equal angles.

[0040] When the circular plate 13 rotates, the circular plate 13 drives the sliding plate 15 to move in the vertical direction through the lower end of the long rod 16 and the limiting rod 14, the sliding plate 15 drives the stirring rods 19 to move in the vertical direction, at this time, the stirring rods 19 can prevent the bottom impurities from being bonded to the inner wall of the purification tower 1, when the working frame 6 is close to the sliding plate 15, the rotating shaft 18 rotates in the inside of the lower connecting block 17 under the action of the torsion spring 21, at this time, the rotating shaft 18 winds the traction rope 20, when the working frame 6 and the sliding plate 15 are away from each other, the rotating shaft 18 rotates back under the action of the traction rope 20 (as shown in Figure 8 and Figure 9 The above process is repeated, in addition, the stirring rods 19 are in a swinging state, which can better prevent impurities from depositing and improve the working efficiency, and the stirring rods 19 are in a staggered state, which optimizes the stirring effect, when the impurities in the purification tower 1 need to be discharged, the discharge valve 3 is opened, and the impurities are discharged, the working efficiency is high, the impurities will not be left, and the purification tower 1 is convenient for long-time use.

[0041] Example three: different from example two, the fixed plate 22 and the push block 29 are arranged, so that the feeding pipe 25 and the spraying rod 26 are in a moving state, and then the purification liquid and water can be better mixed, as shown in Figure 10 and Figure 11 The reversing mechanism comprises the inner connecting rod 23 fixedly connected to the inner wall of the purification tower 1, the feeding pipe 25 has a circular structure, the inner wall of the feeding pipe 25 is fixedly connected with the connecting rod 27, the upper surface of the connecting rod 27 is fixedly connected with the stress rod 28, the surface of the connecting shaft 4 is fixedly connected with the fixed plate 22, the lower surface of the fixed plate 22 is fixedly connected with the push block 29, the push block 29 is symmetrically distributed on the two sides of the fixed plate 22, the upper surface of the feeding pipe 25 is fixedly connected with the working pipe, the working pipe is fixedly connected with the feeding pipe on the upper surface of the purification tower 1 through the outer connecting hose, and the lower surface of the purification tower 1 is inclined.

[0042] The end of the push block 29 and the end of the stress rod 28 are both arc structures, the lower surface of the inner connecting rod 23 is fixedly connected with the stand 24, the stand 24 penetrates through the connecting rod 27, the lower surface of the inner connecting rod 23 is fixedly connected with the reset spring 30, and the other side of the reset spring 30 is fixedly connected with the upper surface of the connecting rod 27.

[0043] When the connecting shaft 4 rotates, the connecting shaft 4 drives the fixed plate 22 to rotate, and then the push block 29 on the lower surface of the fixed plate 22 intermittently pushes the force rod 28. When the force rod 28 is pushed, the force rod 28 descends, and at this time the connecting rod 27 slides on the surface of the stand column 24, and the reset spring 30 is stretched. When the force rod 28 is not pressed, the connecting rod 27 rises under the action of the reset spring 30, and the above process is repeated. The feeding pipe 25 and the spraying rod 26 are in a moving state, and then the feeding pipe 25 and the spraying rod 26 can spray the purification liquid in a wider range, and can also stir the water body, so that the water body and the purification liquid are better mixed.

[0044] The above is the working process of the entire device, and the contents not described in detail in the specification all belong to the prior art known to those skilled in the art.

[0045] Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacements for part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A sewage multi-stage treatment high-efficiency purification equipment, comprising a purification tower (1), the inside of the purification tower (1) is provided with a filter layer, the upper surface of the purification tower (1) is bolted with a motor (2), the lower surface of the purification tower (1) is provided with a discharge valve (3), and the output end of the motor (2) is fixedly connected with a connecting shaft (4); It is characterized in that: The left lower end of the purification tower (1) is bolted with a water inlet pipe, the right upper end of the purification tower (1) is bolted with a water outlet pipe, and the upper surface of the purification tower (1) is provided with a feeding pipe; The inside of the purification tower (1) is connected with a working frame (6) through a lifting mechanism, and the inner wall of the working frame (6) is provided with a filter screen; The inside of the purification tower (1) is connected with a sliding plate (15) through a reciprocating mechanism, and the lower surface of the sliding plate (15) is movably connected with an agitating rod (19); The upper end of the inside of the purification tower (1) is connected with a feeding pipe (25) through a reversing mechanism, and the lower surface of the feeding pipe (25) is provided with spray rods (26) at equal angles; The lifting mechanism comprises a guide rod (5) fixedly connected to the inner wall of the purification tower (1), the front view of the guide rod (5) is inverted "U" type, and the surface of the guide rod (5) is sleeved with the working frame (6); The end of the connecting shaft (4) is fixedly connected with a pipe sleeve (12), the inner wall of the purification tower (1) is rotatably provided with a long pin (7), the surface of the long pin (7) is rotatably connected with an upper connecting frame (8), and the surface of the long pin (7) is fixedly connected with a transition rod (9); The transition rod (9) is slidably provided with a sliding block (10), the upper surface of the sliding block (10) is fixedly connected with a vertical rod (11), the pipe sleeve (12) is sleeved on the surface of the vertical rod (11), and the left surface of the long pin (7) is fixedly connected with a circular plate (13); The surface of the circular plate (13) is movably provided with long rods (16), the long rods (16) are symmetrically distributed on both sides of the circular plate (13), and the lower end of the long rod (16) is movably arranged on the lower surface of the working frame (6); The lower end of the long rod (16) is movably connected with the sliding plate (15), the reciprocating mechanism comprises a lower connecting block (17) fixedly connected to the lower surface of the sliding plate (15), the inside of the lower connecting block (17) is rotatably provided with a rotating shaft (18), the lower surface of the working frame (6) is fixedly connected with a traction rope (20), the inner wall of the purification tower (1) is fixedly connected with a limiting rod (14), the front view of the limiting rod (14) is inverted "L" structure, and the limiting rod (14) is movably connected with the sliding plate (15).

2. The high-efficiency purification device for multi-stage sewage treatment according to claim 1, characterized in that: The traction rope (20) is fixedly connected to the surface of the rotating shaft (18), the surface of the rotating shaft (18) is fixedly connected with the agitating rod (19), the agitating rod (19) is equidistantly distributed on the surface of the rotating shaft (18), and the agitating rod (19) is staggered distributed on the surface of the rotating shaft (18).

3. The high-efficiency purification device for multi-stage sewage treatment according to claim 2, characterized in that: The surface of the rotating shaft (18) is fixedly connected with a torsion spring (21), and the other side of the torsion spring (21) is fixedly connected with the inner wall of the lower connecting block (17); and the lower surface of the purification tower (1) is inclined.

4. The high-efficiency purification device for multi-stage sewage treatment according to claim 1, characterized in that: The reversing mechanism comprises an inner connecting rod (23) fixedly connected to the inner wall of the purification tower (1); the feeding pipe (25) has a circular structure, and the inner wall of the feeding pipe (25) is fixedly connected with a connecting rod (27); the upper surface of the connecting rod (27) is fixedly connected with a force receiving rod (28); the surface of the connecting shaft (4) is fixedly connected with a fixed plate (22); the lower surface of the fixed plate (22) is fixedly connected with a push block (29), and the push block (29) is symmetrically distributed on the two sides of the fixed plate (22); the upper surface of the feeding pipe (25) is fixedly connected with a working pipe, and the working pipe is fixedly connected with a feeding pipe on the upper surface of the purification tower (1) through an outer connecting hose.

5. The efficient purification device for multi-stage treatment of sewage according to claim 4, characterized in that: The end of the push block (29) and the end of the force receiving rod (28) are both arc-shaped structures; the lower surface of the inner connecting rod (23) is fixedly connected with a stand column (24), and the stand column (24) penetrates through the connecting rod (27); the lower surface of the inner connecting rod (23) is fixedly connected with a reset spring (30), and the other side of the reset spring (30) is fixedly connected with the upper surface of the connecting rod (27).

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