Self-cleaning aerator

Abstract

The utility model discloses a self-cleaning aerator, which relates to the technical field of aerators, and comprises an aeration pipe, a first cap body and a second cap body, the first cap body is connected with one end of the aeration pipe, and a magnet and a driving component for driving the magnet to rotate are arranged in the first cap body. A second cap body is arranged at the end, away from the aerator body, of the first cap body, a magnetic stirrer is arranged in the second cap body, a rotating shaft is arranged on the magnetic stirrer and penetrates out of the end, away from the first cap body, of the second cap body, a plurality of radial rods are arranged at the end, penetrating out of the second cap body, of the rotating shaft, and axial rods are arranged at the ends, away from the rotating shaft, of the radial rods. The axial rod is in sliding fit with the outer side wall of the aeration pipe. And for the aeration pipe in a static state, the self-cleaning device can realize self-cleaning.

Description

Technical Field

[0001] This utility model relates to the field of aerator technology, specifically to a self-cleaning aerator. Background Technology

[0002] Aerators play a crucial role in wastewater treatment. On the one hand, aerators can deliver oxygen or air into the wastewater, increasing the dissolved oxygen content and promoting the decomposition of organic pollutants by microorganisms. On the other hand, by increasing the dissolved oxygen content, aerators can reduce the toxic substances produced under anaerobic conditions.

[0003] When the aerator stops operating, sludge, impurities and other pollutants in the wastewater will accumulate on the outer surface of the aerator, clogging the air pores and reducing aeration efficiency.

[0004] A search revealed a patent, CN205892858U, which discloses a "Self-Cleaning Pneumatic Rotary Aeration Device." In this patent, compressed air enters the pneumatic motor through its inlet. The pneumatic motor converts the air pressure into rotary power, driving the output shaft to rotate. This rotation, transmitted through a transmission shaft, causes the aeration pipe to rotate, thus achieving the rotational stirring function of the aeration device. During rotation, the aeration pipe comes into frictional contact with the wire brushes in the self-cleaning device, removing sludge and impurities from the aeration pipe and preventing blockage, thereby achieving the self-cleaning function of the aeration device.

[0005] As explained above, the self-cleaning principle of the aforementioned patent is that the aeration pipe actively rotates while the wire brush in the self-cleaning device remains stationary. The actively rotating aeration pipe can be cleaned by the stationary wire brush. Therefore, the aforementioned patent is applicable to aeration pipes in a rotating state, but not to aeration pipes in a stationary state.

[0006] Therefore, how to achieve self-cleaning for aeration pipes in a static state is a technical problem that needs to be solved. Utility Model Content

[0007] To address the aforementioned shortcomings of existing technologies, this invention proposes a self-cleaning aerator that enables self-cleaning of aeration pipes in a static state.

[0008] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0009] A self-cleaning aerator includes an aeration pipe, a first cap, and a second cap. The first cap is connected to one end of the aeration pipe. The first cap contains a magnet and a drive assembly for driving the magnet to rotate. The second cap is located at the end of the first cap away from the aerator body. The second cap contains a magnetic stir bar with a rotating shaft. The rotating shaft extends from the end of the second cap away from the first cap. The rotating shaft has several radial rods at the end that extends out of the second cap. An axial rod is located at the end of the radial rod away from the rotating shaft. The axial rod slides against the outer wall of the aeration pipe.

[0010] Furthermore, the drive assembly includes a drive motor, a drive support plate, and a drive power supply. The output end of the drive motor is provided with the drive support plate, and the drive support plate is provided with the magnet. The drive motor is electrically connected to the drive power supply.

[0011] Furthermore, the aeration pipe includes a support pipe, a membrane pipe, and a clamp. One end of the support pipe is connected to the first cap body. The support pipe has several through holes on its wall. The membrane pipe is sleeved on the outside of the support pipe. Both ends of the membrane pipe are connected to the support pipe through clamps.

[0012] Furthermore, the axial rod is provided with a bent portion that bends away from the membrane tube, the bent portion being used to avoid the clamp.

[0013] Furthermore, one end of the support tube is threadedly connected to the first cap body, and the support tube is provided with a support retaining ring and a support sealing ring inside. The support sealing ring is sandwiched between the support retaining ring and the first cap body. The first cap body is threadedly connected to the second cap body, and the first cap body is provided with a cap body retaining ring and a cap body sealing ring inside. The cap body sealing ring is sandwiched between the cap body retaining ring and the second cap body.

[0014] The beneficial effects of this utility model are:

[0015] 1. First, this utility model utilizes a drive assembly to drive a magnet to rotate and generate a rotating magnetic field. The rotating magnetic field drives a magnetic stirrer to rotate, and the magnetic stirrer drives a rotating shaft, a radial rod, and an axial rod to rotate together. The axial rod rotates around the aeration pipe and scrapes off the dirt deposited on the outer wall of the aeration pipe. The aeration pipe remains stationary during this process. Therefore, this utility model can achieve self-cleaning of the aeration pipe in a stationary state.

[0016] 2. Because this invention can achieve self-cleaning of aeration pipes in a static state, it is applicable to aeration pipes that cannot be actively rotated, such as existing lift-type aeration pipes that cannot be actively rotated.

[0017] 3. In this invention, the rotating magnetic field generated by the rotation of the magnet drives the magnetic stirrer to rotate, so the magnet and the magnetic stirrer do not need to be in direct contact, allowing the magnet and the magnetic stirrer to be installed in the first cap and the second cap respectively. After the first cap and the second cap are assembled, the internal space of the first cap is in a closed state, preventing sewage from entering the interior of the first cap, improving the protection of the magnet and drive components inside the first cap, and enhancing the safety of use.

[0018] 4. When the clamp used to hold the membrane tube protrudes from the outer surface of the membrane tube, by setting a bend on the axial rod that bends away from the membrane tube, the bend can avoid the clamp when the axial rod rotates around the membrane tube, thus preventing the clamp from obstructing the rotation of the axial rod and improving the reliability of the axial rod in scraping off deposited dirt.

[0019] 5. After the first cap body and the second cap body are separated, the magnets and drive components inside the first cap body can be easily inspected and repaired, which facilitates maintenance. Attached Figure Description

[0020] Figure 1 An explosion-proof three-dimensional self-cleaning aerator Figure 1 ;

[0021] Figure 2 An explosion-proof three-dimensional self-cleaning aerator Figure 2 ;

[0022] Figure 3 This is a 3D diagram of a self-cleaning aerator;

[0023] Figure 4 It is the three-dimensional form of the first hat body Figure 1 ;

[0024] Figure 5 It is the three-dimensional form of the first hat body Figure 2 ;

[0025] Figure 6 This is a three-dimensional diagram of the second hat body;

[0026] Figure 7 It is the three-dimensional structure after the second hat body is cut open. Figure 1 ;

[0027] Figure 8 It is the three-dimensional structure after the second hat body is cut open. Figure 2 .

[0028] Explanation of reference numerals in the attached figures:

[0029] 1-Support tube, 11-Through hole, 12-Slot, 13-Support retaining ring, 14-Support sealing ring

[0030] 2-Membrane tube, 21-pore,

[0031] 3-Clamping hoop,

[0032] 4-First cap body, 41-Magnet, 42-Drive motor, 43-Drive support plate, 44-Drive power supply, 45-Cap body retaining ring, 46-Cap body sealing ring

[0033] 5-Second cap body, 51-Magnetic stir bar, 52-Rotating shaft, 521-Limiting block, 53-Rotating hole, 54-Radial rod, 55-Axial rod, 551-Bending part. Detailed Implementation

[0034] To better understand this utility model, it will be further described below with reference to the accompanying drawings. It is worth noting that in the description of this utility model, terms such as "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. These terms are used only for the convenience of describing this utility model and for 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 utility model.

[0035] Example:

[0036] A self-cleaning aerator includes an aeration pipe, a first cap 4, and a second cap 5.

[0037] See Figures 1 to 3 The aeration pipe includes a support pipe 1, a membrane pipe 2, and a clamp 3.

[0038] See Figure 1 and Figure 2 The support tube 1 is made of plastic. The support tube 1 has several through holes 11 on its wall. Both the left and right ends of the support tube 1 are provided with internal threads. Both the left and right ends of the support tube 1 are provided with slots 12 on their outer walls.

[0039] See Figures 1 to 3 A membrane tube 2 is sleeved on the outside of the support tube 1, and the membrane tube 2 has several air holes 21.

[0040] See Figures 1 to 3 Both ends of the membrane tube 2 are fixed to the support tube 1 by clamps 3. The clamps 3 clamp the end of the membrane tube 2 in the slot 12. The slot 12 can prevent the membrane tube 2 from moving along the axial direction of the support tube 1, which can improve the reliability of the membrane tube 2 being fitted on the outside of the support tube 1.

[0041] See Figure 1 , Figure 2 , Figure 4 and Figure 5The first cap 4 is made of plastic. The left end of the first cap 4 is closed, and the right end of the first cap 4 is open. The outer side wall of the left end of the first cap 4 is provided with external threads, which are used to connect with the internal threads of the right end of the support tube 1.

[0042] See Figure 1 To improve sealing, a support retaining ring 13 is provided at the right end of the inside of the support tube 1. The support retaining ring 13 is an integral structure with the support tube 1, and a support sealing ring 14 is placed on the right side of the support retaining ring 13. When the left end of the first cap 4 is screwed into the right end of the inside of the support tube 1, the support sealing ring 14 is gradually clamped by the support retaining ring 13 and the first cap 4, thereby improving the sealing between the support tube 1 and the first cap 4.

[0043] See Figure 5 The first cap body 4 contains a magnet 41 and a drive assembly. The drive assembly includes a drive motor 42, a drive support plate 43, and a drive power supply 44. The drive motor 42 is fixedly mounted on the left side wall inside the first cap body 4 with screws. The output end of the drive motor 42 faces the right end of the first cap body 4. The drive support plate 43 is fixedly mounted on the output end of the drive motor 42 (for example, the drive support plate 43 can be glued to the output end of the drive motor 42 with strong adhesive). The magnet 41 is fixedly mounted on the drive support plate 43 (for example, the magnet 41 can be glued to the drive support plate 43 with strong adhesive). The drive motor 42 is electrically connected to the drive power supply 44, which is fixedly mounted on the left side wall inside the first cap body 4 with screws.

[0044] After the drive motor 42 is started, the output end of the drive motor 42 drives the drive support plate 43 to rotate, and the drive support plate 43 drives the magnet 41 to rotate. The magnet 41 has N pole and S pole, and generates a rotating magnetic field when the magnet 41 rotates.

[0045] The second cap 5 is made of plastic, and the plastic material of the second cap 5 will not block the rotating magnetic field generated by the rotation of the magnet 41.

[0046] See Figure 5 The right end of the first cap 4 has an internal thread. See also Figures 6 to 8 The left and right ends of the second cap 5 are closed. The outer side wall of the left end of the second cap 5 is provided with external threads. The external threads of the left end of the second cap 5 are threadedly connected to the internal threads of the right end of the first cap 4.

[0047] See Figure 1To improve the sealing between the first cap body 4 and the second cap body 5, a cap body retaining ring 45 is provided inside the first cap body 4. The cap body retaining ring 45 is an integral structure with the first cap body 4, and a cap body sealing ring 46 is placed on the right side of the cap body retaining ring 45. When the left end of the second cap body 5 is screwed into the interior of the first cap body 4, the cap body sealing ring 46 is gradually clamped by the cap body retaining ring 45 and the second cap body 5, thereby improving the sealing between the first cap body 4 and the second cap body 5.

[0048] See Figure 7 and Figure 8 The second cap 5 contains a magnetic stir bar 51, which is a long rod structure made of magnetic material. When the magnet 41 rotates and generates a rotating magnetic field, the magnetic stir bar 51 rotates under the influence of the rotating magnetic field. A rotating shaft 52 is attached and fixed to the right side of the magnetic stir bar 51 using strong adhesive. The right end of the second cap 5 has a rotating hole 53 through which the rotating shaft 52 passes. When the magnetic stir bar 51 drives the rotating shaft 52 to rotate together, the rotating shaft 52 rotates in the rotating hole 53.

[0049] See Figures 6 to 8 The rotating shaft 52 has several radial rods 54 at one end extending out of the second cap 5, and an axial rod 55 at the end of each radial rod 54 away from the rotating shaft 52. The rotating shaft 52, radial rods 54, and axial rod 55 are an integral structure. The rotating shaft 52 can drive the radial rods 54 and axial rod 55 to rotate together. The axial rod 55 can rotate around the membrane tube 2, scraping away dirt deposited on the outer wall of the membrane tube 2. Furthermore, the axial rod 55 has a bent portion 551 that bends away from the membrane tube 2. When the axial rod 55 rotates around the membrane tube 2, the bent portion 551 can avoid the clamp 3, preventing the clamp 3 from obstructing the rotation of the axial rod 55.

[0050] See Figure 8 To prevent the magnetic stir bar 51 and the rotating shaft 52 from moving axially inside the rotating hole 53, a limiting block 521 is attached to the rotating shaft 52 with strong adhesive. The limiting block 521 is located inside the second cap body 5. When the rotating shaft 52 drives the limiting block 521 to rotate together, the limiting block 521 slides against the right side wall inside the second cap body 5.

[0051] The working principle of this embodiment is as follows:

[0052] (1) The principle of aeration treatment of the self-cleaning aerator in this embodiment is as follows:

[0053] The left end of the support pipe 1 is threaded to the air outlet of the air supply pipe. The blower sends air into the interior of the support pipe 1 through the air supply pipe. The air that enters the support pipe 1 is blown to the membrane tube 2 through the through hole 11, and finally blown into the water body through the air hole 21 on the membrane tube 2 to achieve aeration treatment.

[0054] (2) The self-cleaning principle of the self-cleaning aerator in this embodiment is as follows:

[0055] The output of the drive motor 42 drives the drive support plate 43 to rotate, which in turn drives the magnet 41 to rotate. The rotation of the magnet 41 generates a rotating magnetic field, and the magnetic stir bar 51 rotates under the action of the rotating magnetic field. The magnetic stir bar 51 drives the rotating shaft 52 to rotate together, and the rotating shaft 52 drives the radial rod 54 and the axial rod 55 to rotate together. The axial rod 55 rotates around the membrane tube 2 and scrapes the dirt deposited on the outer wall of the membrane tube 2. At the same time, the aeration tube remains stationary.

[0056] Based on the above operating principle, it can be seen that this embodiment has the following effects:

[0057] First, in this embodiment, the drive assembly drives the magnet 41 to rotate and generate a rotating magnetic field. The rotating magnetic field drives the magnetic stir bar 51 to rotate. The magnetic stir bar 51 drives the rotating shaft 52, the radial rod 54 and the axial rod 55 to rotate together. The axial rod 55 rotates around the membrane tube 2 of the aeration tube. The axial rod 55 scrapes off the dirt deposited on the outer wall of the membrane tube 2. The aeration tube remains stationary during this process. Therefore, this embodiment can achieve self-cleaning of the aeration tube in a stationary state.

[0058] Secondly, because this embodiment can achieve self-cleaning of the aeration pipe in a static state, this embodiment is applicable to aeration pipes that cannot be actively rotated, such as existing lift-type aeration pipes that cannot be actively rotated.

[0059] Third, in this embodiment, the rotating magnetic field generated by the rotation of magnet 41 drives the magnetic stirrer 51 to rotate. Therefore, magnet 41 and magnetic stirrer 51 do not need to be in direct contact, allowing magnet 41 and magnetic stirrer 51 to be installed in the first cap 4 and the second cap 5 respectively. After the first cap 4 and the second cap 5 are assembled, the internal space of the first cap 4 is in a closed state, preventing sewage from entering the interior of the first cap 4. This improves the protection of magnet 41 and drive components inside the first cap 4 and enhances safety in use.

[0060] Fourth, when the clamp 3 used to clamp the membrane tube 2 protrudes from the outer surface of the membrane tube 2, by providing a bending part 551 on the axial rod 55 that bends away from the membrane tube 2, the bending part 551 can avoid the clamp 3 when the axial rod 55 rotates around the membrane tube 2, thus preventing the clamp 3 from obstructing the rotation of the axial rod 55 and improving the reliability of the axial rod 55 in scraping off deposited dirt.

[0061] Fifth, after the first cap body 4 and the second cap body 5 are separated, the magnet 41 and the drive component inside the first cap body 4 can be easily inspected and repaired, which facilitates maintenance.

[0062] Obviously, those skilled in the art can make various modifications and variations to this utility model without departing from its spirit and scope. Therefore, if these modifications and variations fall within the scope of the claims of this utility model and their equivalents, this utility model also intends to include these modifications and variations.

Claims

1. A self-cleaning aerator comprising an aeration tube, characterized in that, The aeration device also comprises a first cap and a second cap, the first cap is connected with one end of the aeration pipe, the inside of the first cap is provided with a magnet and a driving assembly for driving the magnet to rotate, the first cap is provided with the second cap at the end away from the aeration device body, the inside of the second cap is provided with a magnetic stirrer, the magnetic stirrer is provided with a rotating shaft, the rotating shaft is arranged to pass out from the end of the second cap away from the first cap, the rotating shaft is provided with a plurality of radial rods at the end passing out of the second cap, the end of the radial rod away from the rotating shaft is provided with an axial rod, and the axial rod is in sliding fit with the outer wall of the aeration pipe.

2. A self-cleaning aerator according to claim 1, wherein, The driving assembly comprises a driving motor, a driving support plate and a driving power supply, the output end of the driving motor is provided with the driving support plate, the driving support plate is provided with the magnet, and the driving motor is electrically connected with the driving power supply.

3. A self-cleaning aerator according to claim 1, wherein, The aeration pipe comprises a support pipe, a membrane pipe and a clamp, one end of the support pipe is connected with the first cap, a plurality of through holes are arranged on the pipe wall of the support pipe, the outside of the support pipe is sleeved with the membrane pipe, and both ends of the membrane pipe are connected with the support pipe through the clamp.

4. A self-cleaning aerator according to claim 3, wherein, The axial rod is provided with a bending part which is bent in the direction away from the membrane pipe, and the bending part is used for avoiding the clamp.

5. A self-cleaning aerator according to claim 3, wherein, One end of the support pipe is threadedly connected with the first cap, the inside of the support pipe is provided with a support check ring and a support sealing ring, the support sealing ring is clamped between the support check ring and the first cap, the first cap is threadedly connected with the second cap, the inside of the first cap is provided with a cap check ring and a cap sealing ring, and the cap sealing ring is clamped between the cap check ring and the second cap.

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