A high-efficiency aeration system and its application method

Abstract

This invention belongs to the field of water treatment technology and relates to a high-efficiency aeration system and its usage method. The aeration system includes an aeration tank, an air inlet pipe, an aeration device, and a control system. The air inlet pipe penetrates the side wall of the aeration tank and extends to the lower part of its inner cavity. The aeration device is located inside the aeration tank and includes a main air pipe and multiple layers of aeration discs. The lower end of the main air pipe is connected to the air inlet pipe. Each layer of aeration discs includes multiple aeration ring pipes spaced apart and fitted outside the main air pipe, and multiple branch pipes spaced apart circumferentially along the main air pipe. One end of each branch pipe communicates with the main air pipe, and the other end extends radially along the main air pipe to communicate with each aeration ring pipe. An electromagnetic pressure regulating valve is provided at the end of each branch pipe near the main air pipe. The control system is communicatively connected to all electromagnetic pressure regulating valves. This invention can effectively improve the aeration effect and is easy to assemble and disassemble.

Description

Technical Field

[0001] This invention belongs to the field of water treatment technology, specifically relating to a high-efficiency aeration system and its usage method. Background Technology

[0002] Aeration devices are widely used in the field of water treatment; by introducing air or pure oxygen into the water to be treated, the gas content in the water is increased, which supports biodegradation and promotes chemical reactions in the water, thereby achieving the biochemical treatment of water.

[0003] However, existing aeration devices still have the following shortcomings:

[0004] 1) The aeration effect is not very uniform, resulting in poor water treatment effect;

[0005] 2) The aeration rate is inconvenient to adjust and unstable to control, resulting in low gas utilization.

[0006] 3) The aeration device is time-consuming and labor-intensive to disassemble and assemble, and its maintenance is inconvenient. Summary of the Invention

[0007] In view of the shortcomings of the related technologies, the present invention provides a high-efficiency aeration system and its usage method to solve at least one of the technical problems mentioned in the background art.

[0008] This invention provides a high-efficiency aeration system, including an aeration tank, an air inlet pipe, an aeration device, and a control system; wherein,

[0009] One end of the air inlet pipe is located outside the aeration tank to connect with an external air source, and the other end passes through the side wall of the aeration tank and extends to the lower part of the inner cavity of the aeration tank.

[0010] An aeration device is installed inside an aeration tank, comprising a vertically arranged main air pipe and multiple layers of aeration discs vertically spaced on the main air pipe; the lower end of the main air pipe is connected to the end of the air inlet pipe located inside the aeration tank, and a pressure relief device is installed above the main air pipe; each layer of aeration discs includes:

[0011] Multiple aeration rings are sleeved outside the main air pipe and arranged at intervals along the radial direction of the main air pipe; several aeration holes are opened on the aeration rings.

[0012] Multiple bronchi are arranged at intervals along the circumference of the main trachea; one end of the bronchi is connected to the main trachea, and the other end extends radially along the main trachea so that the bronchi is connected to each aeration ring; each bronchi is equipped with an electromagnetic pressure regulating valve at the end near the main trachea.

[0013] The control system is communicatively connected to the solenoid pressure regulating valves on all bronchi to control the opening of each solenoid pressure regulating valve.

[0014] In some embodiments, the air inlet pipe is provided with a flexible connector at one end inside the aeration tank, and a first magnet is embedded in the upper end face of the flexible connector; a second magnet that can be attracted to the first magnet is embedded in the lower end face of the main air pipe; a limiting tube is sleeved on the outside of the flexible connector, and the inner diameter of the limiting tube is larger than the outer diameter of the lower end of the main air pipe.

[0015] In some embodiments, the aeration device further includes a main frame, which comprises multiple shelves connected to the multi-layer aeration discs one-to-one, and multiple columns connected to the multiple shelves; wherein...

[0016] Each layer of the frame includes multiple connecting rods spaced apart along the circumference of the main air pipe. The connecting rods are located between adjacent branch pipes on the aeration disc. One end of the connecting rod is connected to the main air pipe, and the other end extends radially along the main air pipe so that the connecting rod is connected to each aeration ring pipe to divide the aeration disc into multiple aeration sectors.

[0017] Each column is connected to the end of multiple connecting rods that are aligned vertically with multiple shelves, away from the main air pipe. The lower end of the column is pressed against the bottom surface of the inner cavity of the aeration tank.

[0018] In some embodiments, each column has an L-shaped limiting angle frame on its outer side, which is connected to the bottom surface of the inner cavity of the aeration tank; the lower part of the column has two outwardly extending legs, and the outer ends of the two legs are equipped with guide wheels to press against the two side walls of the limiting angle frame respectively; the lower end of each column has a foot; and compression springs are installed inside the legs and feet.

[0019] In some embodiments, the lower part of the two opposite side walls of the aeration tank is provided with an inlet and an outlet, respectively, and an overflow groove is recessed on the top surface of one side wall of the aeration tank.

[0020] In some embodiments, a sludge receiving trough is recessed on the bottom surface of the inner cavity of the aeration tank; the high-efficiency aeration system also includes a sludge pump located outside the aeration tank, the sludge pump being connected to a sludge suction pipe that penetrates the side wall of the aeration tank and extends into the sludge receiving trough.

[0021] In some embodiments, a level gauge is installed on the outer wall of the lower part of the main air pipe, and the level gauge is communicatively connected to the control system.

[0022] In some embodiments, a gas volume indicator is provided between the upper end of the main air pipe and the pressure relief device.

[0023] In some embodiments, a check valve is provided at the end of the air inlet pipe located outside the aeration tank.

[0024] The present invention also provides a method for using the above-mentioned high-efficiency aeration system, comprising the following steps:

[0025] Place the aeration device in the aeration tank and connect the lower end of the main air pipe to the air inlet pipe;

[0026] The water to be treated is introduced into the aeration tank;

[0027] Based on the water level of the water to be treated in the aeration tank, the opening degree of the electromagnetic pressure regulating valve on each layer of aeration disc is preset in the control system.

[0028] Turn on the external air source so that the gas enters the aeration ring pipe through the air inlet pipe, main air pipe and branch air pipe, and then is distributed into the water to be treated through the aeration holes.

[0029] The aeration status of the water to be treated in the aeration tank is observed, and the opening degree of the electromagnetic pressure regulating valve on each layer of aeration disc is adjusted by the control system.

[0030] After aeration is completed, all electromagnetic pressure regulating valves and external air sources are closed, and the pressure is released through the pressure relief device above the main air pipe; the treated water is then led out of the aeration tank.

[0031] Based on the above technical solutions, the high-efficiency aeration system and its usage method in the embodiments of the present invention, through the setting of multi-layer aeration discs and electromagnetic pressure regulating valves thereon, enable the gas to be more evenly distributed into the water to be treated in the aeration tank, thereby improving the gas utilization rate and achieving high-efficiency aeration; through the magnetic connection between the main air pipe and the air inlet pipe, the setting of the limiting angle frame and guide wheels, etc., the aeration device can be easily installed and removed from the aeration tank. Attached Figure Description

[0032] The accompanying drawings, which are included to provide a further understanding of the invention and form part of this application, illustrate exemplary embodiments of the invention and, together with their description, serve to explain the invention and do not constitute an undue limitation thereof. In the drawings:

[0033] Figure 1 This is a schematic diagram of the structure of the high-efficiency aeration system of the present invention;

[0034] Figure 2 This is a schematic diagram of the structure of the high-efficiency aeration system of the present invention (II).

[0035] Figure 3 This is a top view of the high-efficiency aeration system of the present invention;

[0036] Figure 4 This is a schematic diagram of the aeration device in the high-efficiency aeration system of the present invention.

[0037] Figure 5 This is a schematic diagram of the structure at the lower end of the main air pipe in the high-efficiency aeration system of the present invention.

[0038] Figure 6 This is a schematic diagram of the flexible connector in the high-efficiency aeration system of the present invention.

[0039] Figure 7This is a schematic diagram of the structure of the column and the limiting angle frame during the installation of the aeration device in the high-efficiency aeration system of the present invention.

[0040] In the diagram: 10. Aeration tank; 11. Inlet; 12. Outlet; 13. Overflow trough; 14. Sludge container; 15. Sludge pump; 16. Sludge suction pipe; 20. Air inlet pipe; 21. Flexible connector; 22. First magnet; 23. Limiting pipe; 24. Check valve; 30. Aeration device; 40. Main air pipe; 41. Pressure relief device; 42. Air volume indicator; 43. Lifting ring; 44. Level gauge; 45. Second magnet; 50. Aeration disc; 51. Aeration ring pipe; 52. Branch air pipe; 53. Electromagnetic pressure regulating valve; 60. Main frame; 61. Shelf; 611. Connecting rod; 62. Column; 621. Support leg; 622. Guide wheel; 623. Support foot; 70. Limiting angle frame. Detailed Implementation

[0041] The technical solutions in 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 a part of the embodiments of the present invention, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the scope of protection of the present invention.

[0042] In the description of this invention, it should be understood that the terms "center", "lateral", "longitudinal", "upper", "lower", "top", "bottom", "inner", "outer", "left", "right", "front", "rear", "vertical", "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.

[0043] The terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first," "second," etc., may explicitly or implicitly include one or more of that feature.

[0044] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" 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 direct connection or an indirect connection through an intermediate medium; and they can refer to the internal communication between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0045] refer to Figures 1-7 As shown, the present invention provides a high-efficiency aeration system, including an aeration tank 10, an air inlet pipe 20, an aeration device 30, and a control system.

[0046] One end of the air inlet pipe 20 is the air inlet end, located outside the aeration tank 10 to connect with an external air source; the other end of the air inlet pipe 20 is the air delivery end, which penetrates the side wall of the aeration tank 10 and extends to the lower part of the inner cavity of the aeration tank 10, and the air delivery end of the air inlet pipe 20 is usually located in the middle of the lower part of the inner cavity of the aeration tank 10. It should be noted that the main body of the air inlet pipe 20, excluding the air inlet end and the air delivery end, can be embedded in the bottom wall of the aeration tank 10, or it can be located in the inner cavity of the aeration tank 10, but the outer wall of the air inlet pipe 20 is attached to the bottom wall surface of the inner cavity of the aeration tank 10 (e.g., ...). Figure 3 (Illustration)

[0047] An aeration device 30 is installed inside an aeration tank 10. The aeration device 30 includes a main air pipe 40 and multiple aeration discs 46. The main air pipe 40 is vertically arranged. The lower end of the main air pipe 40 is connected to the air supply end of the air inlet pipe 20 located inside the aeration tank 10, i.e., the main air pipe 40 is connected to the air inlet pipe 20. A pressure relief device 41 is installed above the main air pipe 40. The multiple aeration discs 46 are vertically spaced on the main air pipe 40. Each aeration disc 46 includes multiple aeration ring pipes 51 and multiple branch pipes 52. The multiple aeration ring pipes 51 on each aeration disc 46 are sleeved outside the main air pipe 40 and are arranged at intervals along the radial direction of the main air pipe 40, i.e., the multiple aeration ring pipes 51 are located on the same height plane and their size gradually increases from the inside to the outside. Several aeration holes (not shown) are opened on the aeration ring pipes 51. Furthermore, multiple aeration holes are distributed on the outer peripheral wall of the aeration ring pipes 51. Each aeration hole has a small aperture and is oriented in a specific direction. Multiple branch pipes 52 on each layer of aeration disc 46 are arranged circumferentially along the main air pipe 40. One end of each branch pipe 52 is connected to the main air pipe 40, and the other end extends radially along the main air pipe 40 so that each branch pipe 52 is connected to each aeration ring pipe 51. It should be noted that the branch pipes 52 serve to transmit gas and do not have aeration holes. Each branch pipe 52 is equipped with an electromagnetic pressure regulating valve 53 at the end near the main air pipe 40.

[0048] The control system is communicatively connected to the solenoid pressure regulating valves 53 on all the bronchial tubes 52 to control the opening of each solenoid pressure regulating valve 53, thereby controlling the air intake of each bronchial tube 52.

[0049] To further explain, when aeration treatment is required on the water to be treated in the aeration tank 10, the external air source is turned on, allowing the gas to sequentially pass through the air inlet pipe 20, the main air pipe 40, and the branch pipes 52 on the multi-layer aeration discs 46 before entering multiple aeration ring pipes 51. The gas is then dispersed into the water to be treated through multiple aeration holes in multiple directions on the aeration ring pipes 51. The aeration holes with tiny pores refine the gas, forming small bubbles, which increases the contact area between the gas and the water to be treated in the aeration tank 10, thereby increasing the gas content in the water. During this process, the air intake from the main air pipe 40 into the branch pipe 52 can be adjusted by regulating the opening of the electromagnetic pressure regulating valve 53 on the branch pipe 52, which in turn regulates the aeration rate of each layer of aeration discs 46. It can be understood that the number of aeration discs 46 to be opened is determined based on the water level in the aeration tank 10. For aeration discs 46 that do not need to be opened, all electromagnetic pressure regulating valves 53 on them simply need to be closed. After the aeration treatment of the water to be treated in the aeration tank 10 is completed, all electromagnetic pressure regulating valves 53 and external air sources are closed. Excess gas in the main air pipe 40 is discharged through the pressure relief device 41 above the main air pipe 40 to ensure the balance of internal and external air pressure.

[0050] Furthermore, in practical applications, multiple aeration devices 30 can be installed in the aeration tank 10, taking into account its size, shape, and other characteristics. Correspondingly, the air inlet pipe 20 should have the same number of air delivery ends as the aeration devices 30, or multiple air inlet pipes 20 can be directly installed in the same number as the aeration devices 30. The multiple aeration devices 30 are connected one-to-one with the multiple air delivery ends, so that the water to be treated in the aeration tank 10 can be aerated together by the multiple aeration devices 30.

[0051] In the above illustrative embodiment, by placing the air supply end of the air inlet pipe 20 at the lower part of the inner cavity of the aeration tank 10, the gas enters each aeration disc 46 from bottom to top, which reduces gas loss and improves gas transmission efficiency. The arrangement of multiple aeration discs 46 allows for more uniform gas distribution in the water to be treated, resulting in more uniform aeration and improved water treatment effect. This solves the problems of uneven aeration and poor water treatment effect in existing technologies. The electromagnetic pressure regulating valve 53 allows for convenient and stable adjustment and control of the aeration volume of each aeration disc 46, improving gas utilization and ensuring that the aeration device 30 operates in optimal condition. This solves the problems of inconvenient and unstable aeration volume adjustment and low gas utilization in existing technologies. Therefore, efficient aeration of the water to be treated in the aeration tank 10 can be achieved.

[0052] refer to Figures 4-6As shown, in some embodiments, the air inlet pipe 20 is located at one end of the aeration tank 10, i.e., the air supply end, and is provided with a flexible connector 21; the upper end face of the flexible connector 21 (i.e., the end connected to the main air pipe 40) is embedded with a plurality of first magnets 22. The lower end face of the main air pipe 40 (i.e., the end connected to the flexible connector 21) is embedded with a plurality of second magnets 45, and the second magnets 45 are arranged in a one-to-one correspondence with the first magnets 22 and can attract each other. A limiting tube 23 is sleeved on the outside of the flexible connector 21. One end of the limiting tube 23 is connected to the main body of the air inlet pipe 20. The limiting tube 23 serves to limit and protect the flexible connector 21. The upper end face of the limiting tube 23 is higher than the upper end face of the flexible connector 21, and the inner diameter of the limiting tube 23 is larger than the outer diameter of the lower end of the main air pipe 40. When the flexible connector 21 is connected to the main air pipe 40, the limiting tube 23 is sleeved on the outside of the main air pipe 40. The limiting tube 23 serves to guide the main air pipe 40 to connect to the flexible connector 21.

[0053] To further explain, by setting the second magnet 45 on the main air pipe 40 and the first magnet 22 on the flexible connector 21 of the air inlet pipe 20, a magnetic connection between the main air pipe 40 and the air inlet pipe 20 can be achieved, that is, a magnetic connection between the aeration device 30 and the air inlet pipe 20 can be achieved. When it is necessary to maintain or clean the aeration device 30, simply lift the main air pipe 40 upward to overcome the magnetic attraction between the second magnet 45 and the first magnet 22, so that the connection between the main air pipe 40 and the air inlet pipe 20 is disconnected, and the entire aeration device 30 can be easily removed from the air inlet pipe 20.

[0054] The above illustrative embodiment, through the magnetic connection structure between the main air pipe 40 and the air inlet pipe 20, realizes the detachable connection of the aeration device 30 in the aeration tank 10. The aeration device 30 can be easily installed and disassembled without the use of disassembly and assembly tools, which facilitates the maintenance or cleaning of the aeration device 30, reduces downtime, and solves the problem of inconvenient and time-consuming disassembly and assembly of the existing aeration device 30.

[0055] refer to Figure 3 , Figure 4 As shown, in some embodiments, the aeration device 30 further includes a main frame 60, which includes multiple shelves 61 and multiple columns 62; the multiple shelves 61 are connected one-to-one with the multi-layer aeration discs 46; and the multiple columns 62 are connected to the multiple shelves 61.

[0056] Each shelf 61 includes multiple connecting rods 611 spaced circumferentially along the main air pipe 40; the connecting rods 611 are located between adjacent branch pipes 52 on the aeration disc 46; one end of the connecting rod 611 is connected to the main air pipe 40, and the other end extends radially along the main air pipe 40 so that the connecting rod 611 is connected to each aeration ring pipe 51; the connecting rod 611, the branch pipes 52, and the aeration ring pipes 51 are all located on the same height plane, so the aeration ring pipes 51 between adjacent branch pipes 52 are not connected at the connecting rod 611. The aeration discs 46 are connected, and the aeration sector is divided into multiple aeration sectors by the arrangement of multiple connecting rods 611 on the shelf 61. Each aeration sector is mainly composed of an air pipe 52 and arc segments of aeration ring pipes 51 on both sides of the air pipe 52. The aeration volume of each aeration sector on each layer of aeration discs 46 can be individually controlled by the electromagnetic pressure regulating valve 53 on the air pipe 52 of the aeration sector. This facilitates fine control of the aeration volume of each layer of aeration discs 46 and reduces the difference in aeration effect at the same water level.

[0057] Each column 62 is connected to the end of a plurality of connecting rods 611 that are aligned vertically with the plurality of shelves 61 away from the main air pipe 40. The lower end of each column 62 is pressed against the bottom surface of the inner cavity of the aeration tank 10. This improves the structural strength of the entire aeration device 30 and enables the entire aeration device 30 to be stably placed in the aeration tank 10.

[0058] refer to Figure 3 , Figure 4 , Figure 7 As shown, in some embodiments, each column 62 has an L-shaped limiting angle frame 70 on its outer side, and the lower end of the limiting angle frame 70 is connected to the bottom surface of the inner cavity of the aeration tank 10. Each column 62 has two outwardly extending legs 621 at its lower part, and each leg 621 has a guide wheel 622 mounted on its outer end. The wheel surfaces of the two guide wheels 622 are respectively pressed against the two side walls of the limiting angle frame 70. Each column 62 has a support foot 623 at its lower end. Compression springs (not shown) are installed inside both the legs 621 and the support foot 623 to give them a certain degree of self-adaptive capability.

[0059] To further explain, before installing the aeration device 30 into the aeration tank 10, the limiting angle frame 70 is first connected to the bottom surface of the inner cavity of the aeration tank 10 according to the preset position; then, the aeration device 30 is lowered as a whole, so that the guide wheel 622 on each column 62 contacts the limiting angle frame 70 and rolls down along it, so as to guide the aeration device 30 to be lowered steadily until the main air pipe 40 and the air inlet pipe 20 are attracted to each other and the support feet 623 of the column 62 are pressed against the bottom surface of the inner cavity of the aeration tank 10.

[0060] The above illustrative embodiment, through the setting of the limiting angle frame 70 and guide wheel 622, can guide and position the installation of the aeration device 30 in the aeration tank 10, so that the main air pipe 40 of the aeration device 30 can be connected to the air inlet pipe 20 more quickly and accurately, and avoid the displacement of the aeration device 30, thus ensuring the stability of the installation effect of the aeration device 30.

[0061] refer to Figures 1-3 As shown, in some embodiments, the lower part of the two opposite side walls of the aeration tank 10 is provided with an inlet 11 and an outlet 12, respectively. That is, the inlet 11 and the outlet 12 are usually located at the two opposite ends of the aeration tank 10. An overflow groove 13 is also recessed on the top surface of one side wall of the aeration tank 10. The water to be treated is introduced into the aeration tank 10 through the inlet 11, and the water after aeration treatment is completed is led out of the aeration tank 10 through the outlet 12.

[0062] refer to Figure 1 , Figure 3 As shown, in some embodiments, a sludge receiving trough 14 is recessed on the bottom surface of the inner cavity of the aeration tank 10 to receive sludge and other impurities deposited in the water to be treated. The high-efficiency aeration system also includes a sludge pump 15 located outside the aeration tank 10. The sludge pump 15 is connected to a sludge suction pipe 16, which penetrates the side wall of the aeration tank 10 and extends into the sludge receiving trough 14 to pump the sludge out of the aeration tank 10.

[0063] refer to Figure 5 As shown, in some embodiments, a level gauge 44 is installed on the outer wall of the lower part of the main air pipe 40. Specifically, the level gauge 44 is located below the lowest aeration disc 46; the level gauge 44 is communicatively connected to the control system. The control system monitors the water level of the water to be treated in the aeration tank 10 in real time through the level gauge 44, and adjusts the opening of the electromagnetic pressure regulating valve 53 on each aeration disc 46 accordingly, thereby regulating the air volume distribution of each aeration disc 46 and ensuring that the aeration device 30 operates in the optimal working condition.

[0064] refer to Figure 4 As shown, in some embodiments, an air volume indicator 42 is provided between the upper end of the main air pipe 40 and the pressure relief device 41 to monitor the air volume in the main air pipe 40 in real time. The air volume indicator 42 typically includes a transparent shell with scale markings and a pneumatic disc or hollow sphere located inside the transparent shell that can float under air pressure. A lifting ring 43 is also provided above the pressure relief device 41 to facilitate the overall lifting or lowering of the aeration device 30.

[0065] refer to Figure 1 , Figure 3 As shown, in some embodiments, the air inlet pipe 20 is located at one end outside the aeration tank 10, i.e., the air inlet end, and is equipped with a check valve 24 to prevent the gas in the air inlet pipe 20 from flowing back.

[0066] refer to Figures 1-7 As shown, the present invention also provides a method for using the above-mentioned high-efficiency aeration system, comprising the following steps:

[0067] Place the aeration device 30 inside the aeration tank 10, and connect the lower end of the main air pipe 40 to the end of the air inlet pipe 20 located inside the aeration tank 10.

[0068] The water to be treated is introduced into the aeration tank 10 through the inlet 11;

[0069] The control system obtains the water level of the water to be treated in the aeration tank 10 through the level gauge 44, and presets the opening degree of the electromagnetic pressure regulating valve 53 on each layer of aeration disc 46 in the control system.

[0070] The external air source is activated, and the gas enters the aeration ring pipe 51 through the air inlet pipe 20, the main air pipe 40 and the branch air pipe 52, and is then distributed into the water to be treated through multiple aeration holes in multiple directions on the aeration ring pipe 51.

[0071] The aeration status of the water to be treated in the aeration tank 10 is observed, and the opening degree of the electromagnetic pressure regulating valve 53 on each layer of aeration disc 46 is adjusted by the control system.

[0072] After the aeration treatment of the water to be treated in the aeration tank 10 is completed, all electromagnetic pressure regulating valves 53 and external air sources are closed, and excess gas in the main air pipe 40 is depressurized through the pressure relief device 41 above the main air pipe 40; the treated water is led out of the aeration tank 10 through the outlet 12.

[0073] In summary, the high-efficiency aeration system and its usage method of the present invention, through the setting of the level gauge 44, the multi-layer aeration discs 46 and the electromagnetic pressure regulating valve 53 thereon, can monitor the water level of the water to be treated in the aeration tank 10, and can conveniently and precisely control the aeration volume of each layer of aeration discs 46, so that the gas is evenly distributed in the water to be treated in the aeration tank 10, the aeration effect is more uniform, the gas utilization rate is improved, and the aeration device 30 is ensured to operate in the best working condition, thus achieving high-efficiency aeration. In addition, through the setting of the magnetic connection structure between the main air pipe 40 and the air inlet pipe 20, the setting of the limiting corner frame 70 and the guide wheel 622, the aeration device 30 can be easily installed and removed from the aeration tank 10.

[0074] Finally, it should be noted that the various embodiments in this specification are described in a progressive manner, with each embodiment focusing on the differences from other embodiments. The same or similar parts between the various embodiments can be referred to each other.

[0075] The above embodiments are only used to illustrate the technical solutions of the present invention and not to limit them; although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications can still be made to the specific implementation of the present invention or equivalent substitutions can be made to some technical features without departing from the spirit of the technical solutions of the present invention, and all such modifications and substitutions should be covered within the scope of the technical solutions claimed in the present invention.

Claims

1. A high-efficiency aeration system, characterized in that, Includes an aeration tank, air inlet pipe, aeration device, main frame, and control system; among which, One end of the air inlet pipe is located outside the aeration tank to connect with an external air source, and the other end penetrates the side wall of the aeration tank and extends to the lower part of the inner cavity of the aeration tank. The aeration device is installed in the aeration tank and includes a vertically arranged main air pipe and multiple layers of aeration discs vertically spaced on the main air pipe; the lower end of the main air pipe is connected to the end of the air inlet pipe located in the aeration tank, and a pressure relief device is installed above the main air pipe; each layer of the aeration discs includes: Multiple aeration rings are sleeved outside the main air pipe and arranged at intervals along the radial direction of the main air pipe; the aeration rings are provided with a number of aeration holes. Multiple bronchi are arranged at intervals along the circumference of the main air pipe; one end of each bronchi is connected to the main air pipe, and the other end extends radially along the main air pipe so that each bronchi is connected to each aeration ring pipe; each bronchi is provided with an electromagnetic pressure regulating valve at the end near the main air pipe. The main frame includes multiple shelves connected one-to-one with the multi-layer aeration discs, and multiple columns connected to the shelves. Each shelf includes multiple connecting rods spaced circumferentially along the main air pipe. These connecting rods are positioned between adjacent branch pipes on the aeration disc, with one end connected to the main air pipe and the other end extending radially along the main air pipe, connecting to each aeration ring pipe. The aeration ring pipes between adjacent branch pipes are not connected at the connecting rods, thus dividing the aeration disc into multiple aeration sectors. One of the columns is connected to the ends of multiple connecting rods aligned vertically with multiple shelves, away from the main air pipe. The lower end of the column is pressed against the bottom surface of the inner cavity of the aeration tank. Each column has an L-shaped limiting angle frame on its outer side, which is connected to the bottom surface of the inner cavity of the aeration tank. The lower part of the column has two outwardly extending legs, and the outer ends of the two legs are equipped with guide wheels to press against the two side walls of the limiting angle frame respectively. Each column has a foot at its lower end. Compression springs are installed inside the legs and feet. The control system is communicatively connected to the electromagnetic pressure regulating valves on all the bronchi to control the opening degree of each electromagnetic pressure regulating valve.

2. The high-efficiency aeration system according to claim 1, characterized in that, The air inlet pipe is provided with a flexible connector at one end inside the aeration tank. A first magnet is embedded in the upper end face of the flexible connector. A second magnet that attracts the first magnet is embedded in the lower end face of the main air pipe. A limiting tube is sleeved on the outside of the flexible connector. The inner diameter of the limiting tube is larger than the outer diameter of the lower end of the main air pipe.

3. The high-efficiency aeration system according to claim 1, characterized in that, The aeration tank has an inlet and an outlet on the lower part of its two opposite side walls, and an overflow groove is recessed on the top surface of one side wall.

4. The high-efficiency aeration system according to claim 1, characterized in that, The bottom surface of the inner cavity of the aeration tank is recessed with a sludge receiving trough; the high-efficiency aeration system also includes a sludge pump located outside the aeration tank, the sludge pump being connected to a sludge suction pipe, the sludge suction pipe penetrating the side wall of the aeration tank and extending into the sludge receiving trough.

5. The high-efficiency aeration system according to claim 1, characterized in that, A level gauge is installed on the outer wall of the lower part of the main air pipe, and the level gauge is communicatively connected to the control system.

6. The high-efficiency aeration system according to claim 1, characterized in that, An air volume indicator is provided between the upper end of the main air pipe and the pressure relief device.

7. The high-efficiency aeration system according to claim 1, characterized in that, The air inlet pipe is equipped with a check valve at one end outside the aeration tank.

8. The method of using the high-efficiency aeration system as described in any one of claims 1-7, characterized in that, Includes the following steps: Place the aeration device in the aeration tank and connect the lower end of the main air pipe to the air inlet pipe; The water to be treated is introduced into the aeration tank; Based on the water level of the water to be treated in the aeration tank, the opening degree of the electromagnetic pressure regulating valve on each layer of aeration disc is preset in the control system. The external air source is activated, allowing gas to enter the aeration ring pipe after passing through the air inlet pipe, main air pipe and branch air pipe, and then be dispersed into the water to be treated through the aeration holes. The aeration status of the water to be treated in the aeration tank is observed, and the opening degree of the electromagnetic pressure regulating valve on each layer of aeration disc is adjusted by the control system. After aeration is completed, all electromagnetic pressure regulating valves and external air sources are closed, and the pressure is released through the pressure relief device above the main air pipe; the treated water is then led out of the aeration tank.

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