Aeration device

Abstract

The application provides an aeration device, comprising a mounting frame, an aeration part, the aeration part comprising an aeration shell, an aeration pump, a rotating assembly, a gas guide assembly and a filter assembly, the aeration shell having a plurality of through arc-shaped channels, the plurality of arc-shaped channels being distributed along the circumference of the aeration shell, one end of the plurality of arc-shaped channels coinciding and forming a liquid inlet channel, the gas guide assembly being arranged on the aeration shell, the gas guide assembly having a plurality of gas guide channels, the plurality of gas guide channels and the plurality of arc-shaped channels corresponding one by one and being communicated to provide gas into the plurality of arc-shaped channels, the rotating assembly being arranged in the liquid inlet channel, the aeration pump being communicated with the liquid inlet channel, the liquid delivered by the aeration pump driving the rotating assembly to rotate, the rotating assembly driving the aeration shell and the gas guide assembly to rotate relative to the mounting frame, and the filter assembly being communicated with the inlet of the aeration pump to filter the fluid flowing through the aeration pump. Through the technical scheme provided by the application, the aeration effect of the aeration device can be improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of mine water treatment, in particular to an aeration device. BACKGROUND

[0002] The aeration device is an equipment installed in the aeration tank in the mine water treatment, which refers to artificially introducing air into the aeration tank to achieve the expected oxygenation purpose. Aeration can make the liquid in the tank contact with air to be oxygenated, and at the same time, the agitation of the liquid by aeration accelerates the transfer of oxygen in the air to the liquid, thereby ensuring the oxygenation effect of the aeration tank. In addition, aeration also has the purpose of preventing the sinking of suspended solids in the tank and strengthening the contact of organic matter and microorganisms in the tank with dissolved oxygen, thereby ensuring that the microorganisms in the tank have sufficient dissolved oxygen and realizing the oxidation and decomposition of organic matter in the sewage.

[0003] The existing aeration device is usually laid at the bottom of the aeration tank during sewage treatment, and usually adopts a gas aeration mode. For example, the patent number CN201611266361, the lifting type rotary aeration device for strengthening oxygen enrichment of river channel sediment, uses an oxygenation pump, a vortex air pump and other non-gas-water mixing pumps as the aeration pump, and the aeration effect is general. SUMMARY

[0004] The present application provides an aeration device to improve the aeration effect of the aeration device.

[0005] In order to achieve the above-mentioned purpose, the present application provides an aeration device, comprising: a mounting frame; an aeration part, comprising an aeration shell, an aeration pump, a rotating assembly, a gas guide assembly and a filter assembly, the aeration shell has a plurality of through arc-shaped channels, the plurality of arc-shaped channels are distributed along the circumference of the aeration shell, one end of the plurality of arc-shaped channels coincides and forms a liquid inlet channel, the gas guide assembly is arranged on the aeration shell, the gas guide assembly has a plurality of gas guide channels, the plurality of gas guide channels and the plurality of arc-shaped channels are in one-to-one correspondence and are communicated to provide gas to the plurality of arc-shaped channels, the rotating assembly is arranged in the liquid inlet channel, the aeration pump is communicated with the liquid inlet channel, the liquid delivered by the aeration pump drives the rotating assembly to rotate, the rotating assembly drives the aeration shell and the gas guide assembly to rotate relative to the mounting frame, and the filter assembly is communicated with the inlet of the aeration pump to filter the fluid flowing through the aeration pump.

[0006] Further, the rotating assembly comprises a plurality of spiral blades, and the plurality of spiral blades are distributed along the circumference of the liquid inlet channel.

[0007] Further, the gas guide assembly comprises an adapter ring and a plurality of gas guide pipes, the cavity of the gas guide pipe forms a gas guide channel, the adapter ring has an annular cavity, the plurality of gas guide pipes are arranged at intervals along the circumference of the adapter ring, one end of the plurality of gas guide pipes is communicated with the annular cavity, and the other end of each gas guide pipe is communicated with an arc-shaped channel.

[0008] Further, the air guide assembly further comprises a reinforcing ring, and the plurality of air guide tubes are arranged through the reinforcing ring.

[0009] Further, the aeration pump comprises a pump body and a liquid inlet pipe, the filter assembly comprises a fixing assembly and a filter cartridge with a plurality of filter slots, the filter cartridge is arranged at one end of the liquid inlet pipe away from the pump body through the fixing assembly, a cavity of the filter cartridge is in communication with a cavity of the liquid inlet pipe, the cavity of the filter cartridge is in communication with an environment where the fluid is located through the plurality of filter slots, and the filter slots are used for filtering the fluid entering the cavity of the filter cartridge.

[0010] Further, the fixing assembly comprises a fixing plate, a mounting plate and an elastic buffer, the fixing plate is arranged on the mounting frame, the mounting plate is arranged on the filter cartridge and is detachably inserted with the fixing plate, and the elastic buffer is arranged on the fixing plate and / or the mounting plate, and the elastic buffer is compressed when the mounting plate and the fixing plate are inserted.

[0011] Further, the filter assembly further comprises a driving member arranged on the mounting plate, and the driving member is used for driving the filter cartridge to vibrate relative to the liquid inlet pipe.

[0012] Further, the aeration shell comprises an aeration seat and an adapter platform connected with each other, the aeration seat is a cylindrical seat, the adapter platform is a circular table structure with a curved outer surface, the plurality of arc-shaped channels are arranged through the aeration seat and the adapter platform, the liquid inlet channel formed by the plurality of arc-shaped channels at one end is located at one side of the adapter platform away from the aeration seat, and the other end of the plurality of arc-shaped channels extends to the side wall of the aeration seat and is in communication with the external environment of the aeration seat.

[0013] Further, the aeration shell further has a rotating support seat, the rotating support seat has a limiting cavity, the bottom wall of the rotating support seat is flush with the bottom wall of the mounting frame, the bottom end of the aeration seat has a limiting protrusion, the limiting protrusion is rotatably arranged in the limiting cavity and is limitedly matched with the inner wall of the limiting cavity.

[0014] Further, the mounting frame comprises a mounting base, a mounting support and a mounting frame, the mounting frame is connected with the mounting base through the mounting support and is located above the mounting base, the mounting base, the mounting support and the mounting frame surround an accommodating cavity, the aeration pump is arranged in the mounting frame, and the aeration shell and the air guide assembly are rotatably arranged in the accommodating cavity.

[0015] Applying the technical solution of the present invention, an aeration device is provided, comprising: a mounting frame; an aeration portion, comprising an aeration shell, an aeration pump, a rotating assembly, an air guide assembly and a filter assembly, the aeration shell having a plurality of through arcuate channels, the plurality of arcuate channels being distributed along the circumference of the aeration shell, one end of the plurality of arcuate channels overlapping and forming a liquid inlet channel, the air guide assembly being arranged on the aeration shell, the air guide assembly having a plurality of air guide channels, the plurality of air guide channels being connected to the plurality of arcuate channels in a one-to-one correspondence to provide gas into the plurality of arcuate channels, the rotating assembly being arranged in the liquid inlet channel, the aeration pump being connected to the liquid inlet channel, the liquid delivered by the aeration pump driving the rotating assembly to rotate, the rotating assembly driving the aeration shell and the air guide assembly to rotate relative to the mounting frame, the filter assembly being connected to the inlet of the aeration pump to filter the fluid flowing through the aeration pump. With this solution, the water flow in the aeration tank is sucked in and discharged into the liquid inlet channel formed by multiple arc-shaped channels through an aeration pump. The water flow impacts the rotating assembly, causing the rotating assembly to drive the aeration shell and the air guide assembly to rotate as a whole. The water flow follows the liquid inlet channel and flows into the multiple arc-shaped channels. At the same time, the air guide assembly provides gas into the arc-shaped channels. The gas and water flow mix in the arc-shaped channels and are discharged into the aeration tank. The outlets of the multiple arc-shaped channels are distributed along the circumference of the aeration shell to ensure the aeration effect of the aeration tank. At the same time, the rotation of the aeration shell realizes the rotary aeration of the aeration tank, improving the aeration effect. This arrangement uses the water flow in the aeration tank as the power source, and the aeration shell and the air guide assembly are driven by the linkage of the aeration pump and the rotating assembly. At the same time, the aeration effect of the aeration device is improved through the mixed aeration of water and gas and the rotation of the aeration shell. Furthermore, the filter assembly is used to filter the water flow used by the aeration pump, thereby preventing larger particles from entering the aeration pump and causing damage to the aeration part structure, thereby ensuring the reliability of the aeration device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings, which constitute part of this application, are intended to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are intended to explain the present invention and do not constitute an undue limitation of the present invention. In the accompanying drawings:

[0017] Figure 1 A schematic structural diagram of an aeration device provided by an embodiment of the present invention is shown;

[0018] Figure 2 Shown Figure 1 A schematic structural diagram of the aeration device from another perspective;

[0019] Figure 3 Shown Figure 1 Schematic diagram of the assembly of the aeration shell, the air guide component, and the rotating component in the aeration device;

[0020] Figure 4 Shown Figure 3a sectional view thereof;

[0021] Figure 5 a structural schematic view of the filter assembly in the aeration device is shown. Figure 1

[0022] Wherein, the above-mentioned drawings include the following reference signs:

[0023] 10, mounting rack; 11, mounting base; 12, mounting support; 13, mounting frame;

[0024] 21, aeration housing; 211, arc-shaped channel; 212, aeration seat; 2121, limiting protrusion; 213, adapter table; 214, rotating support seat; 22, aeration pump; 221, pump body; 222, liquid inlet pipeline; 23, rotating assembly; 24, gas guide assembly; 241, gas guide channel; 242, adapter ring; 243, gas guide pipe; 244, annular cavity; 245, reinforcing ring; 25, filter assembly; 251, fixing assembly; 2511, fixing plate; 2512, mounting plate; 2513, elastic buffer; 252, filter cartridge; 2521, filter gap; 253, driving member. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be apparently and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. The following description of at least one exemplary embodiment is actually only illustrative, but not as any limitation on the present application and its application or use. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0026] As shown in the drawings, Figures 1 to 5 An embodiment of the present application provides an aeration device, which comprises a mounting rack 10 and an aeration part. The aeration part comprises an aeration housing 21, an aeration pump 22, a rotating assembly 23, a gas guide assembly 24 and a filter assembly 25. The aeration housing 21 has a plurality of arc-shaped channels 211 which are distributed along the circumference of the aeration housing 21. One end of the plurality of arc-shaped channels 211 coincides and forms a liquid inlet channel. The gas guide assembly 24 is arranged on the aeration housing 21 and has a plurality of gas guide channels 241 which communicate with the plurality of arc-shaped channels 211 one by one to provide gas into the plurality of arc-shaped channels 211. The rotating assembly 23 is arranged in the liquid inlet channel. The aeration pump 22 communicates with the liquid inlet channel. The liquid delivered by the aeration pump 22 drives the rotating assembly 23 to rotate. The rotating assembly 23 drives the aeration housing 21 and the gas guide assembly 24 to rotate relative to the mounting rack 10. The filter assembly 25 communicates with the inlet of the aeration pump 22 to filter the fluid flowing through the aeration pump 22.​

[0027] In the embodiment, the water flow in the aeration tank is sucked by the aeration pump 22 and discharged into the liquid inlet channel formed by the plurality of arc-shaped channels 211, the water flow impacts the rotating assembly 23 to drive the rotating assembly 23, the aeration shell 21 and the gas guide assembly 24 to rotate as a whole, the water flow flows along the liquid inlet channel and into the plurality of arc-shaped channels 211, and the gas guide assembly 24 supplies gas into the arc-shaped channels 211, the gas mixes with the water flow in the arc-shaped channels 211 and is discharged into the aeration tank, the outlets of the plurality of arc-shaped channels 211 are distributed along the circumference of the aeration shell 21 to ensure the aeration effect on the aeration tank, and the rotation of the aeration shell 21 realizes the rotary aeration on the aeration tank to improve the aeration effect. In this way, the water flow in the aeration tank is used as the power to drive the aeration shell 21 and the gas guide assembly 24 through the linkage of the aeration pump 22 and the rotating assembly 23, and the aeration effect of the aeration device is improved through the mixed aeration of the water flow and the gas and the rotary aeration of the aeration shell 21. Further, the filtration assembly 25 is used to filter the water flow used by the aeration pump 22 to avoid large particles from entering the aeration pump 22 to cause damage to the structure of the aeration part and ensure the reliability of the aeration device.

[0028] As shown in Figure 3 and Figure 4 , the rotating assembly 23 includes a plurality of spiral blades, and the plurality of spiral blades are distributed along the circumference of the liquid inlet channel. In this way, the fluid flowing through the liquid inlet channel impacts the plurality of spiral blades to generate a spiral force to drive the aeration shell 21 to rotate.

[0029] As shown in Figures 1 to 4 , the gas guide assembly 24 includes a plurality of gas guide pipes 243 and an adapter ring 242, the cavities of the gas guide pipes 243 form gas guide channels 241, the adapter ring 242 has an annular cavity 244, the plurality of gas guide pipes 243 are arranged at intervals along the circumference of the adapter ring 242, one end of each of the plurality of gas guide pipes 243 communicates with the annular cavity 244, and the other end of each of the plurality of gas guide pipes 243 respectively communicates with one of the arc-shaped channels 211.

[0030] In the embodiment, the adapter ring 242 is used to communicate with an external gas supply device, the external gas supply device supplies gas into the annular cavity 244, and the gas flows into the water flow in the plurality of arc-shaped channels 211 through the plurality of gas guide channels 241 to improve the aeration effect. By arranging the adapter ring 242, the plurality of gas guide pipes 243 can be supplied with gas at the same time to ensure the aeration effect.

[0031] It should be noted that the external gas supply device in the embodiment can be an air compressor, an air generator, a high-pressure gas cylinder, etc., which is not specifically limited here. The type of gas provided by the external gas supply device is also not limited, and can be determined according to actual conditions. The external gas supply device has a ring-shaped gas supply assembly that is adapted to the adapter ring 242. The ring-shaped gas supply assembly is in rotating sealing connection with the adapter ring 242 and is in communication with the annular cavity 244, so that the ring-shaped gas supply assembly can also stably supply gas to the annular cavity 244 during rotation of the adapter ring 242, preventing gas leakage and ensuring the gas supply effect. The connection between the external gas supply device and the adapter ring 242 includes not only the above-mentioned manner provided in the embodiment, but also the connection structure or manner between the external gas supply device and the adapter ring 242 can be adjusted by the staff according to actual conditions to ensure the gas supply effect.

[0032] Optionally, the radial dimension of the position where the arc-shaped channel 211 is in communication with the gas guide channel 241 is smaller than the original radial dimension of the arc-shaped channel 211, which is conducive to increasing the flow rate of the fluid flowing through this position and enhancing the generation effect of the gas bubbles after water and gas are mixed.

[0033] As shown in Figures 1 to 3 , the gas guide assembly 24 further includes a reinforcing ring 245, and the plurality of gas guide pipes 243 are arranged through the reinforcing ring 245. In this way, the structural strength of the gas guide assembly 24 is enhanced.

[0034] As shown in Figure 2 and Figure 5 , the aeration pump 22 includes a pump body 221 and a liquid inlet pipe 222, and the filter assembly 25 includes a fixing assembly 251 and a filter cartridge 252 having a plurality of filter slots 2521. The filter cartridge 252 is arranged at one end of the liquid inlet pipe 222 away from the pump body 221 through the fixing assembly 251. The cavity of the filter cartridge 252 is in communication with the cavity of the liquid inlet pipe 222. The cavity of the filter cartridge 252 is in communication with the environment of the fluid through the plurality of filter slots 2521, and the filter slots 2521 are used to filter the fluid entering the cavity of the filter cartridge 252. In this way, the fluid (water flow) entering the liquid inlet pipe 222 is filtered through the plurality of filter slots 2521 of the filter cartridge 252, which avoids the particulate matter from entering the aeration pump 22 and the aeration housing 21, which can easily cause damage to the aeration part, thereby ensuring the reliability and stability of the aeration of the aeration part.

[0035] Specifically, the fixing assembly 251 includes a fixing plate 2511, a mounting plate 2512, and an elastic buffer 2513. The fixing plate 2511 is arranged on the mounting rack 10, the mounting plate 2512 is arranged on the filter cartridge 252 and is separably inserted with the fixing plate 2511, and the elastic buffer 2513 is arranged on the fixing plate 2511 and / or the mounting plate 2512. When the mounting plate 2512 and the fixing plate 2511 are inserted, the elastic buffer 2513 is compressed.

[0036] In the embodiment, the liquid inlet pipe 222 is a pipe body with elasticity, the filter cartridge 252 is arranged at the end of the liquid inlet pipe 222 and is detachably inserted into the fixing plate 2511 arranged on the mounting frame 10 through the mounting plate 2512, so that the position of the filter cartridge 252 and the liquid inlet pipe 222 is limited, and meanwhile, the elastic buffer 2513 provides elastic buffering for the insertion of the fixing plate 2511 and the mounting plate 2512, so that the fixing plate 2511 and the mounting plate 2512 are prevented from being damaged due to knocking during the insertion. In the embodiment, the elastic buffer 2513 is two springs.

[0037] Further, the filter assembly 25 further comprises a driving member 253 arranged on the mounting plate 2512, and the driving member 253 is used to drive the filter cartridge 252 to vibrate relative to the liquid inlet pipe 222. In this way, the filter cartridge 252 is driven to vibrate at a high frequency through the driving member 253, so that the particles in the filter gap 2521 are shaken off, and the filter cartridge 252 is prevented from being blocked by the particles and being disabled. In the embodiment, the driving member 253 is a vibration motor.

[0038] As shown in Figures 1 to 4 , the aeration shell 21 comprises an aeration seat 212 and an adapter table 213 connected with each other, the aeration seat 212 is a cylindrical seat, the adapter table 213 is a circular table structure with a curved outer surface, the arc-shaped channels 211 pass through the aeration seat 212 and the adapter table 213, the liquid inlet channels formed by the ends of the plurality of arc-shaped channels 211 coincide with each other and are located on the side of the adapter table 213 away from the aeration seat 212, and the other ends of the plurality of arc-shaped channels 211 extend to the side wall of the aeration seat 212 and are in communication with the external environment of the aeration seat 212. In this way, the arc-shaped channels 211 are convenient to process, the machining cost of the aeration shell 21 and the resistance during rotation are reduced, and the aeration effect is improved.

[0039] As shown in Figure 2 and Figure 4 , the aeration shell 21 further comprises a rotating support seat 214, the rotating support seat 214 has a limiting cavity, the bottom wall of the rotating support seat 214 is flush with the bottom wall of the mounting frame 10, the bottom end of the aeration seat 212 has a limiting protrusion 2121, and the limiting protrusion 2121 is rotatably arranged in the limiting cavity and is limitedly matched with the inner wall of the limiting cavity. In this way, the aeration shell 21 is prevented from moving during rotation due to the suspension of the lower end, the aeration shell 21 is limited in the radial direction through the cooperation of the rotating support seat 214 and the limiting protrusion 2121, and the stability of the rotation of the aeration shell 21 is ensured.

[0040] As shown in Figure 1 and Figure 2As shown, the mounting frame 10 comprises a mounting base 11, a mounting support 12 and a mounting frame 13, the mounting frame 13 is connected through the mounting support 12 and the mounting base 11 and located above the mounting base 11, the mounting base 11, the mounting support 12 and the mounting frame 13 surround an area to form a containing cavity, the aeration pump 22 is arranged in the mounting frame 13, and the aeration shell 21 and the air guide assembly 24 are rotatably arranged in the containing cavity. In this way, the aeration part can be conveniently arranged and mounted without affecting the function of the aeration part.

[0041] In summary, the present application provides an aeration device, and the working principle is as follows:

[0042] When aeration is needed, the pump body 221 is started, the pump body 221 sucks the water flow in the aeration tank into the pump body 221 through the liquid inlet pipeline 222 and outputs the water flow into the liquid inlet channel formed by the plurality of arc-shaped channels 211, the water flow impacts the plurality of spiral blades, so that the aeration shell 21 rotates as a whole under the action of the water flow, the water flow continues to flow and is sprayed from the plurality of arc-shaped channels 211, and rotational aeration in the circumferential direction is realized, in the process, the air guide assembly guides the gas from the air guide channel 241 into the arc-shaped channel 211, so that the water flow and the gas converge before being output and generate bubbles, and are discharged from the arc-shaped channel 211 together, so as to improve the aeration effect. Wherein, the water flow will flow through the filter cartridge 252 before entering the liquid inlet pipeline 222, and the filter gap 2521 on the filter cartridge 252 is used to filter the particulate matters in the water flow, so as to avoid the particulate matters from entering the aeration part and causing damage to the aeration part, at the same time, the high-frequency vibration driving of the filter cartridge 252 is realized through the driving piece 253, so as to shake off the particulate matters filtered by the filter gap 2521, realize the cleaning of the filter gap 2521, and avoid the filter gap 2521 from being blocked by the particulate matters.

[0043] It should be noted that the terms used herein are only intended to describe specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, the singular form is intended to include the plural form, unless the context clearly indicates otherwise, and it should also be understood that, when the terms "comprise" and / or "include" are used in the specification, there is a presence of the features, steps, operations, devices, components and / or combinations thereof.

[0044] The foregoing is considered as illustrative only of the principles of the application. Further, since numerous modifications and changes will readily occur to those skilled in the art, it is not desired to limit the application to the exact construction and practice described. Accordingly, all such variations are intended to be included within the scope of the present application as defined in the following claims, along with full equivalents thereof.

[0045] In the description of the present application, it is to be understood that the orientation terms such as "front", "back", "up", "down", "left", "right", "transverse", "vertical", "horizontal", "top", "bottom", and the like are generally intended to convey a relative position relationship as shown in the drawings and are for the purpose of assisting in understanding the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore should not be construed as limiting the scope of protection of the present application; the orientation terms "inner", "outer" refer to the inner and outer relative to the contour of the components themselves.

[0046] For the purpose of description, spatial relative terms, such as "above", "upper", "up", "below", "lower", and the like, can be used herein for describing the spatial relationship between one device or feature and another device or feature as shown in the drawings. It should be understood that the spatial relative terms are intended to include different orientations of the device in use or operation in addition to the orientation depicted in the drawings. For example, if the device in the drawings is turned over, the device described as "above" or "above" the other device or structure would then be positioned "below" or "below" the other device or structure. Thus, the exemplary term "above" can include both the "above" and "below" orientations. The device can also be positioned in other different ways (rotated 90 degrees or in other orientations) and the spatial relative descriptions used herein interpreted accordingly.

[0047] In addition, it should be noted that the use of "first", "second", and the like words to qualify elements does not have a special meaning, and therefore should not be construed as limiting the scope of protection of the present application, unless otherwise stated.

[0048] The above merely provides the preferred embodiments of the present application, and is not used to limit the present application. For those skilled in the art, the present application can have various modifications and changes. Any modifications, equivalent replacements, improvements, etc. made within the principles and technical scope of the present application shall fall into the scope of the present application.

Claims

1. An aeration device, characterized in that: include: Mounting frame (10); The aeration part comprises an aeration shell (21), an aeration pump (22), a rotating assembly (23), an air guide assembly (24) and a filter assembly (25), wherein the aeration shell (21) has a plurality of through arc-shaped channels (211), the plurality of arc-shaped channels (211) are distributed along the circumference of the aeration shell (21), one end of the plurality of arc-shaped channels (211) overlaps and forms a liquid inlet channel, the air guide assembly (24) is arranged on the aeration shell (21), the air guide assembly (24) has a plurality of air guide channels (241), the plurality of air guide channels (241) and the plurality of The arc-shaped channels (211) are connected one by one to provide gas into the plurality of arc-shaped channels (211); the rotating assembly (23) is arranged in the liquid inlet channel; the aeration pump (22) is connected to the liquid inlet channel; the liquid delivered by the aeration pump (22) drives the rotating assembly (23) to rotate; the rotating assembly (23) drives the aeration housing (21) and the air guide assembly (24) to rotate relative to the mounting frame (10); the filter assembly (25) is connected to the inlet of the aeration pump (22) to filter the fluid flowing through the aeration pump (22); The rotating assembly (23) comprises a plurality of spiral blades, and the plurality of spiral blades are distributed along the circumference of the liquid inlet channel; The air guide assembly (24) includes an adapter ring (242) and a plurality of air guide tubes (243), the cavity of the air guide tube (243) forming the air guide channel (241), the adapter ring (242) having an annular cavity (244), the plurality of air guide tubes (243) being arranged at intervals along the circumference of the adapter ring (242), one end of the plurality of air guide tubes (243) being in communication with the annular cavity (244), and the other end of each of the air guide tubes (243) being in communication with one of the arc-shaped channels (211); the air guide assembly (24) further includes a reinforcement ring (245), the plurality of air guide tubes (243) being arranged through the reinforcement ring (245).

2. The aeration device according to claim 1, characterized in that The aeration pump (22) comprises a pump body (221) and a liquid inlet pipe (222); the filter assembly (25) comprises a fixing assembly (251) and a filter cartridge (252) having a plurality of filter slits (2521); the filter cartridge (252) is arranged at one end of the liquid inlet pipe (222) away from the pump body (221) through the fixing assembly (251); the cavity of the filter cartridge (252) is connected to the cavity of the liquid inlet pipe (222); the cavity of the filter cartridge (252) is connected to the environment where the fluid is located through the plurality of filter slits (2521); and the filter slits (2521) are used to filter the fluid entering the cavity of the filter cartridge (252).

3. The aeration device according to claim 2, characterized in that The fixing assembly (251) comprises a fixing plate (2511), a mounting plate (2512) and an elastic buffer (2513); the fixing plate (2511) is arranged on the mounting frame (10); the mounting plate (2512) is arranged on the filter cartridge (252) and is detachably plugged into the fixing plate (2511); the elastic buffer (2513) is arranged on the fixing plate (2511) and / or the mounting plate (2512); when the mounting plate (2512) and the fixing plate (2511) are plugged into each other, the elastic buffer (2513) is compressed.

4. The aeration device according to claim 3, characterized in that The filter assembly (25) further comprises a driving member (253) disposed on the mounting plate (2512), wherein the driving member (253) is used to drive the filter cartridge (252) to vibrate relative to the liquid inlet pipe (222).

5. The aeration device according to claim 1, characterized in that The aeration shell (21) comprises an aeration seat (212) and a transfer platform (213) connected to each other, the aeration seat (212) being a cylindrical seat, the transfer platform (213) being a truncated cone structure with a curved outer surface, the arcuate channel (211) passing through the aeration seat (212) and the transfer platform (213), the liquid inlet channel formed by overlapping one end of a plurality of the arcuate channels (211) being located on a side of the transfer platform (213) away from the aeration seat (212), and the other ends of the plurality of the arcuate channels (211) extending to the side wall of the aeration seat (212) and communicating with the external environment of the aeration seat (212).

6. The aeration device according to claim 5, characterized in that The aeration shell (21) further comprises a rotating support seat (214), the rotating support seat (214) comprising a limiting cavity, the bottom wall of the rotating support seat (214) being flush with the bottom wall of the mounting frame (10), and the bottom end of the aeration seat (212) comprising a limiting protrusion (2121), the limiting protrusion (2121) being rotatably disposed in the limiting cavity and engaging with the inner wall of the limiting cavity in a limiting manner.

7. The aeration device according to claim 1, characterized in that The mounting frame (10) comprises a mounting base (11), a mounting bracket (12) and a mounting frame (13); the mounting frame (13) is connected to the mounting base (11) via the mounting bracket (12) and is located above the mounting base (11); an area surrounded by the mounting base (11), the mounting bracket (12) and the mounting frame (13) forms an accommodating cavity; the aeration pump (22) is arranged in the mounting frame (13); and the aeration housing (21) and the air guide assembly (24) are rotatably arranged in the accommodating cavity.

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