Ecological filter with large-area composite filler structure

Abstract

The application discloses an ecological filter tank with a large-area composite filler structure, which comprises a tank body, a composite filler layer, an aeration mechanism, a transmission mechanism and an adsorption mechanism. The aeration mechanism is provided with a gas blocking assembly. The gas blocking assembly blocks the airflow and concentrates the ejection, so that the aeration mechanism is provided with pressure for aeration. The aeration mechanism rotates under the influence of the backwash force, and then the adsorption mechanism rotates to adsorb the water surface grease foam through the transmission mechanism. The diffusion speed of the sludge and the microbial population at the bottom of the water body during the start of the filter tank is accelerated, the contact between the water surface and the air is enhanced, and the process of treating the water surface grease foam alone is reduced. The sewage treatment efficiency can be effectively improved, and the speed of single sewage treatment is shortened.

Description

Technical Field

[0001] This invention relates to the field of wastewater treatment, and specifically to an ecological filter with a large-area composite packing structure. Background Technology

[0002] Modern industrial and daily life processes generate large amounts of wastewater of various types, containing significant amounts of organic matter and harmful substances. Industrial wastewater, in particular, contains substantial amounts of grease and organic matter, and typically requires treatment before discharge. Untreated wastewater can cause oxygen depletion in water bodies, even producing foul odors and killing aquatic plants. Furthermore, it poses serious threats to the environment and human health. Multi-stage wastewater treatment allows it to be reused for normal industrial or domestic water use. Existing wastewater treatment methods mostly employ wastewater treatment ponds, utilizing biological or chemical methods to treat wastewater. Among these, composite ecological filters can combine biological layers with physically-based packing materials and aeration devices to treat wastewater according to its characteristics. Currently, composite ecological filters mostly use microbial layers for biological treatment of wastewater. However, when the filter is not in use or is temporarily suspended, the sludge and microbial layer in the wastewater will settle to the bottom of the filter. When the filter is restarted, because the aeration device is a certain distance from the bottom of the tank, the accumulated microbial community and sludge at the bottom are not easily redispersed into the water. Furthermore, during wastewater treatment, the aeration device often causes a large amount of oily foam to float on the water surface, blocking the contact between the water and oxygen, reducing the efficiency of wastewater treatment, and affecting the wastewater treatment effect.

[0003] For example, CN117142659A discloses a composite ecological filter for rural domestic sewage treatment. Its structure includes a filter body, a partition plate fixedly installed on the inner wall of the filter body, an outlet on the outer wall of the partition plate, and baffles installed on the inner wall of the filter body. A stratified biological tank consists of a first sliding block 502 and a second sliding block 503, with vetiver grass 106 planted on top and a composite microbial layer 202 at the bottom. The aeration pipe 201 is activated to allow the composite microbial layer 202 to diffuse and better react. The aforementioned filter only uses aeration pipes to diffuse the microbial community deposited at the bottom, failing to disturb the bottom water. It requires prolonged aeration to achieve uniform diffusion and cannot treat oily foam on the water surface. Therefore, this application designs an ecological filter with a large-area composite packing structure that can diffuse sludge and microorganisms at the bottom of the tank through agitation and vibration and treat surface foam through rotation. Summary of the Invention

[0004] The purpose of this invention is to provide an ecological filter with a large-area composite packing structure, in order to solve the problems mentioned above.

[0005] To achieve the above objectives, the present invention provides the following technical solution: an ecological filter pond with a large-area composite packing structure, comprising a pond body, a composite packing layer, an aeration mechanism, a transmission mechanism, and an adsorption mechanism for adsorbing oil and foam on the water surface; the composite packing layer is located in the middle of the pond body, one end of the adsorption mechanism is slidably connected to the upper part of the inner wall of the pond body, and the other end of the adsorption mechanism is fixedly connected to the upper end of the transmission mechanism; the aeration mechanism is located at the bottom of the pond body, and the lower part of the transmission mechanism is fixedly connected to the aeration mechanism; the aeration mechanism is equipped with an air-blocking component, which blocks the airflow and concentrates the spray to make the aeration mechanism pressurized for aeration; the aeration mechanism rotates under the influence of the recoil force, and then the transmission mechanism causes the adsorption mechanism to adsorb oil and foam on the water surface in a rotating manner. The pond body is provided with an inlet and an outlet, and a microbial layer is provided at the bottom of the pond body; the composite packing layer is composed of multiple layers of different types of packing materials.

[0006] By using air-blocking components, the aeration mechanism is pressurized for aeration, which then rotates using the recoil force. This disturbs the water at the bottom of the tank and scrapes up the sludge and microorganisms. The vibration generated by the pressurized aeration causes these microorganisms to spread more quickly in the water, improving wastewater treatment efficiency and reducing the time required for wastewater treatment.

[0007] Furthermore, the aeration mechanism includes a main aeration pipe, aeration discs, a connecting pipe, and an array of ring aeration pipes. The main aeration pipe passes through the side wall of the tank and is rotatably connected to the middle of the ring aeration pipes. A support frame is fixedly installed on the main aeration pipe, and the other end of the support frame is rotatably connected to a transmission mechanism. The array of ring aeration pipes are interconnected. The aeration discs are connected to the ring aeration pipes through the connecting pipes. The aeration discs are evenly distributed along the circumference of the ring aeration pipes and are inclined, with their inclination direction rotating along the circumference of the ring aeration pipes. The lower part of the ring aeration pipes is provided with turbulence scrapers and support cylinders. Several sets of turbulence scrapers are evenly arranged along the circumference of the ring aeration pipes, and an array of support cylinders are symmetrically arranged along the circumference of the ring aeration pipes. The inclined aeration discs are designed to rotate during pressure aeration, which in turn drives the annular aeration pipes to rotate. Finally, the sludge and microorganisms at the bottom of the tank are lifted into the aeration coverage area by the turbulence scraper, so that starting the aeration mechanism can drive the turbulence scraper to rotate without the need for additional power or other turbulence methods.

[0008] Furthermore, an air storage layer is provided inside the aeration disc, which is connected to the connecting pipe. Aeration holes are provided on the surface of the aeration disc, and these holes are connected to the air storage layer. Steps extend from the aeration holes to both sides towards the air storage layer, and trigger pins are fixedly installed on the steps. The air-blocking component includes a rotating shaft, a trigger rod, and a series of arc-shaped plates arranged circumferentially. The center of the arc surface of each arc-shaped plate is fixedly connected to the rotating shaft, and the lower end of the trigger rod is fixedly connected to the upper side of the rotating shaft. The straight edges of the arc-shaped plates are made of rubber, ensuring no gaps when the series of arc-shaped plates are closed. A pressure plate is provided at the connection between the aeration hole and the air storage layer. The side of the pressure plate is slidably connected to the inner wall of the aeration hole. The pressure plate has a hollow structure, and the arc-shaped plates and the pressure plate are rotatably connected at the center of the pressure plate via the rotating shaft. A limiting sealing ring plate is provided at the lower part of the pressure plate, and a series of springs are fixedly installed around the upper perimeter of the pressure plate. The other ends of the springs are fixedly connected to the steps extending from the aeration holes to both sides. By using a pressure plate in conjunction with an arc-shaped plate, gas accumulates in the gas storage layer, thereby increasing the gas pressure in the gas storage chamber. When the airflow is aerated, it is ejected into the aeration holes due to pressure and is then stimulated outward. This causes the aeration disc to rotate due to the recoil force, and the ejected gas vibrates the water body, making it easier for the sludge and microbial community within the aeration coverage area to spread.

[0009] Furthermore, the transmission mechanism includes a forward drive rod, a reverse drive rod, a first connecting rod, a second connecting rod, and a reverse assembly. The forward drive rod is fixedly connected to the inner wall of the annular aeration pipe via the first connecting rod, and the reverse assembly is fixedly connected to the inner wall of the main aeration pipe via the second connecting rod. The upper part of the forward drive rod extends into the reverse assembly, and the lower end of the reverse drive rod extends into the reverse assembly. The upper end of the reverse drive rod passes through the main aeration pipe and extends to the water surface. The upper side wall of the reverse drive rod is inserted into the adsorption mechanism. The reverse drive rod is rotatably connected to the support frame to provide vertical support when the reverse drive rod rotates. The reverse assembly includes a protective cover, a drive bevel gear, a driven bevel gear, and a bevel gear. The drive bevel gear, driven bevel gear, and bevel gear are all rotatably connected to the protective cover. The outer side of the protective cover is fixedly connected to the second connecting rod. The upper part of the forward drive rod passes through the protective cover and is inserted into the drive bevel gear. The lower part of the reverse drive rod passes through the protective cover and is inserted into the driven bevel gear. The drive bevel gear and driven bevel gear mesh with the bevel gear. The reverse component is designed so that the forward drive rod driven by the aeration pipe drives the reverse drive rod to select the opposite direction, thereby driving the adsorption mechanism on the water surface to rotate. This allows the adsorption mechanism to rotatably adsorb oil and foam on the water surface, increasing the contact area between the water and the air, and reducing the need for separate processing of oil and foam on the water surface.

[0010] Furthermore, the adsorption mechanism includes a connecting column, a water-blocking curved panel, and an annular adsorption plate for adsorbing grease foam. The water-blocking curved panel is fixedly connected to the annular adsorption plate. One end of the annular adsorption plate is inserted into the connecting column, and the other side of the annular adsorption plate is slidably connected to the upper part of the inner wall of the pool. The end of the connecting column away from the annular adsorption plate is inserted into a reversing drive rod. The surface of the water-blocking curved panel is provided with oleophobic round nails. By setting the oleophobic round nails, the foam on the water surface is punctured, preventing grease foam from adhering to the surface of the annular adsorption plate due to tension. The water-blocking curved panel draws the water on the surface into the annular adsorption plate, allowing foam to be adsorbed at all positions on the annular adsorption plate, reducing the need for replacing the annular adsorption plate and reducing material waste.

[0011] Compared with existing technologies, it has the following beneficial effects:

[0012] By using air-blocking components, the aeration mechanism is pressurized for aeration, which then rotates using the recoil force. This disturbs the water at the bottom of the tank and scrapes up the sludge and microorganisms. The vibration generated by the pressurized aeration causes these microorganisms to spread more quickly in the water, improving wastewater treatment efficiency and reducing the time required for wastewater treatment.

[0013] The reverse component is designed so that the forward drive rod driven by the aeration pipe drives the reverse drive rod to select the opposite direction, thereby driving the adsorption mechanism on the water surface to rotate. This allows the adsorption mechanism to rotatably adsorb oil and foam on the water surface, increasing the contact area between the water and the air, and reducing the need for separate processing of oil and foam on the water surface.

[0014] By setting oleophobic round nails, the foam on the water surface is punctured, preventing grease foam from adhering to the surface of the annular adsorption plate due to tension. The water-blocking curved panel rolls the water on the surface into the annular adsorption plate, so that foam can be adsorbed at all positions of the annular adsorption plate, reducing the need to replace the annular adsorption plate and reducing material waste. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of the present invention, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only preferred embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 This is a cross-sectional schematic diagram of an ecological filter with a large-area composite packing structure according to the present invention.

[0017] Figure 2 This is an internal schematic diagram of an ecological filter with a large-area composite packing structure according to the present invention.

[0018] Figure 3 This is a schematic diagram of the aeration pipe of an ecological filter with a large-area composite packing structure according to the present invention.

[0019] Figure 4 This is a schematic diagram of the aeration disc of an ecological filter with a large-area composite packing structure according to the present invention.

[0020] Figure 5 This is a cross-sectional view of the aeration disc of an ecological filter with a large-area composite packing structure according to the present invention.

[0021] Figure 6 This is a cross-sectional view of the aeration holes of an ecological filter with a large-area composite packing structure according to the present invention.

[0022] Figure 7 This is a schematic diagram of an air-blocking component for an ecological filter with a large-area composite packing structure according to the present invention.

[0023] Figure 8 This is a partially enlarged schematic diagram of part A of the present invention;

[0024] Figure 9 This is a schematic diagram of a pressure plate for an ecological filter with a large-area composite packing structure according to the present invention.

[0025] Figure 10 This is a schematic diagram of an ecological filter adsorption mechanism with a large-area composite packing structure according to the present invention.

[0026] Figure 11 This is a schematic diagram of an ecological filter tank transmission mechanism with a large-area composite packing structure according to the present invention.

[0027] Figure 12 This is a schematic diagram of an ecological filter tank transmission mechanism with a large-area composite packing structure according to the present invention.

[0028] Figure 13 This is a cross-sectional view of an ecological filter reversing component with a large-area composite packing structure according to the present invention.

[0029] In the diagram: 1-Pool body; 2-Composite packing layer; 3-Aeration mechanism; 31-Main aeration pipe; 311-Support frame; 32-Aeration disc; 321-Air storage layer; 322-Aeration hole; 3221-Step; 3222-Trigger pin; 323-Pressure plate; 324-Limit sealing ring plate; 325-Spring; 33-Pass pipe; 34-Annular aeration pipe; 341-Turbulence scraper; 342-Support cylinder; 4-Transmission mechanism; 41 42-Forward drive rod; 43-Reverse drive rod; 44-First connecting rod; 45-Second connecting rod; 46-Reverse assembly; 47-Protective cover; 48-Drive bevel gear; 49-Driven bevel gear; 40-Bevel gear; 41-Adsorption mechanism; 52-Connecting column; 53-Water-blocking curved panel; 54-Oleophobic round nail; 55-Annular adsorption plate; 66-Gas-blocking assembly; 67-Rotating shaft; 68-Trigger rod; 69-Arc plate. Detailed Implementation

[0030] To better understand the structure, functional features, and advantages of the present invention, preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings:

[0031] like Figures 1 to 13As shown, this application proposes an ecological filter with a large-area composite packing structure, including a tank body 1, a composite packing layer 2, an aeration mechanism 3, a transmission mechanism 4, and an adsorption mechanism 5 for adsorbing oil and foam on the water surface. The composite packing layer 2 is located in the middle of the tank body 1. One end of the adsorption mechanism 5 is slidably connected to the upper part of the inner wall of the tank body 1, and the other end of the adsorption mechanism 5 is fixedly connected to the upper end of the transmission mechanism 4. The aeration mechanism 3 is located at the bottom of the tank body 1, and the lower part of the transmission mechanism 4 is fixedly connected to the aeration mechanism 3. The aeration mechanism 3 is equipped with an air-blocking component 6, which blocks the airflow and concentrates the spray to make the aeration mechanism 3 pressurized for aeration. The aeration mechanism 3 rotates under the influence of the recoil force, and then the transmission mechanism 4 causes the adsorption mechanism 5 to adsorb oil and foam on the water surface in a rotating manner. The tank body 1 is provided with an inlet and an outlet, and a microbial layer is provided at the bottom of the tank body 1. The composite packing layer 2 is composed of multiple layers of different types of packing materials. Wastewater to be treated enters the filter tank through the inlet for treatment. The composite packing layer 2, composed of various composite materials, can filter and chemically react different types of wastewater. The wastewater is biologically treated by the microbial layer at the bottom of the tank 1. When the filter tank is started, gas enters the water body to be treated through the aeration mechanism 3. The air flow in the aeration mechanism 3 is blocked by the air-blocking component 6, which causes the air pressure in the aeration mechanism 3 to rise. Finally, gas is generated into the water body, causing the aeration mechanism 3 to rotate under the action of the recoil force. This causes the sludge and microbial layer accumulated at the bottom of the tank 1 to be scraped into the coverage area of ​​the aeration mechanism 3. The vibration generated by the pressure jet quickly spreads the sludge and microbial community to the entire water body. At the same time, through the reverse transmission mechanism 4, the rotation of the aeration mechanism 3 drives the adsorption mechanism 5 on the water surface to rotate, adsorbing the oil foam on the water surface and preventing it from hindering the contact between the water and the air, while reducing the process of separately treating the oil foam.

[0032] As another embodiment, such as Figures 1 to 4 As shown, the aeration mechanism 3 includes a main aeration pipe 31, an aeration disc 32, a connecting pipe 33, and an array of ring aeration pipes 34. The main aeration pipe 31 passes through the side wall of the tank body 1 and is rotatably connected to the middle of the ring aeration pipes 34. A support frame 311 is fixedly installed on the main aeration pipe 31, and the other end of the support frame 311 is rotatably connected to the transmission mechanism 4. The array of ring aeration pipes 34 are interconnected. The aeration discs 32 are connected to the ring aeration pipes 34 through the connecting pipes 33. The aeration discs 32 are evenly distributed along the circumference of the ring aeration pipes 34 and are inclined, with their inclination direction rotating along the circumference of the ring aeration discs 32. Gas is transported by the main aeration pipe 31, enters the ring aeration pipes 34 from the middle position at the bottom of the tank body 1, and is delivered to each level of ring aeration pipes 34. Finally, it enters the aeration discs 32 through the connecting pipes 33 for pressure aeration.

[0033] See Figure 2 and Figure 3The lower part of the annular aeration pipe 34 is equipped with a turbulence scraper 341 and a support cylinder 342. Several sets of turbulence scrapers 341 are evenly arranged along the circumference of the annular aeration pipe 34. Several sets of support cylinders 342 are symmetrically arranged along the circumference of the annular aeration pipe 34. The support cylinders 342 are used to assist in supporting the annular aeration pipe 34. When the annular aeration pipe 34 rotates, the support cylinders 342 roll on the bottom of the tank. The bottom of the turbulence ring plate is a soft pad, which scrapes up the sludge and microorganisms at the bottom of the tank 1 when the annular aeration pipe 34 rotates.

[0034] As another embodiment, such as Figures 5 to 9 As shown, an air storage layer 321 is provided inside the aeration disc 32, which is connected to the through pipe 33. Aeration holes 322 are provided on the surface of the aeration disc 32, which are connected to the air storage layer 321. Steps 3221 extend from the aeration holes 322 towards both sides of the air storage layer 321, and trigger pins 3222 are fixed on the steps 3221. Gas in the annular aeration pipe 34 flows into the air storage layer 321 and is discharged through the aeration holes 322 connected to the air storage layer 321.

[0035] See Figure 7 and Figure 8 The air-blocking component 6 includes a rotating shaft 61, a trigger rod 62, and an array of arc-shaped plates 63 arranged circumferentially. The center of the arc surface of the arc plate 63 is fixedly connected to the rotating shaft 61, and the lower end of the trigger rod 62 is fixedly connected to the upper side of the rotating shaft 61. The straight edges of the arc plate 63 are made of rubber, and there are no gaps when the array of arc plates 63 is closed, which can further restrict the airflow and prevent the airflow from entering the aeration hole 322. A torsion spring 325 is installed inside the rotating shaft 61, and the torsion spring 325 drives the shaft to rotate downward.

[0036] See Figures 6 to 9A pressure plate 323 is provided at the connection between the aeration hole 322 and the air storage layer 321. The side of the pressure plate 323 is slidably connected to the inner wall of the aeration hole 322. The pressure plate 323 has a hollow structure. The arc plate 63 is rotatably connected to the pressure plate 323 through the rotating shaft 61 in the middle of the pressure plate 323. A limiting sealing ring plate 324 is provided at the lower part of the pressure plate 323. An array of springs 325 is fixedly provided around the upper part of the pressure plate 323. The other end of the springs 325 is fixedly connected to the steps 3221 extending to both sides of the aeration hole 322. As airflow continuously enters the air storage chamber, the air pressure in the chamber increases. The pressure plate 323 drives the arc plate 63 to move upward along the inner wall of the aeration hole 322, thereby compressing the spring 325. When the trigger pin 3222 and the trigger rod 62 are attached and the trigger rod 62 is pressed down, the rotating shaft 61 is driven to rotate, which opens the arc plate 63, and the airflow is activated. It enters the water body through the aeration hole 322 and generates vibration and recoil force. The recoil force drives the ring aeration pipe 34 to rotate, and the vibration further diffuses the sludge and microorganisms to other parts of the water body. After the airflow is activated, the air pressure decreases, and the pressure plate 323 is driven to descend by the spring 325. The trigger pin 3222 disengages from the trigger rod 62. The rotating shaft 61 is reversed by the torsion spring 325, closing the arc plate 63. The limiting sealing ring plate 324 limits the arc plate 63 to prevent it from opening downwards, and at the same time seals the position of the rotating shaft 61 to prevent gas from escaping from the rotating shaft 61. As the pressure increases, the pressure plate 323 rises again to perform circulating aeration.

[0037] As another embodiment, such as Figure 2 , Figures 10 to 13As shown, the transmission mechanism 4 includes a forward drive rod 41, a reverse drive rod 42, a first connecting rod 43, a second connecting rod 44, and a reverse assembly 45. The forward drive rod 41 is fixedly connected to the inner wall of the middle part of the annular aeration pipe 34 through the first connecting rod 43. The reverse assembly 45 is fixedly connected to the inner wall of the main aeration pipe 31 through the second connecting rod 44. The upper part of the forward drive rod 41 extends into the reverse assembly 45, and the lower end of the reverse drive rod 42 extends into the reverse assembly 45. The upper end of the reverse drive rod 42 passes through the main aeration pipe 31 and extends to the water surface. The upper side wall of the reverse drive rod 42 is inserted into the adsorption mechanism 5. The reverse drive rod 42 is rotatably connected to the support frame 311 to provide vertical support when the reverse drive rod 42 rotates. The reversing assembly 45 includes a protective cover 451, a drive bevel gear 452, a driven bevel gear 453, and a bevel gear 454. The drive bevel gear 452, the driven bevel gear 453, and the bevel gear 454 are all rotatably connected to the protective cover 451. The outer side of the protective cover 451 is fixedly connected to the second connecting rod 44. The upper part of the forward drive rod 41 passes through the protective cover 451 and is inserted into the drive bevel gear 452. The lower part of the reverse drive rod 42 passes through the protective cover 451 and is inserted into the driven bevel gear 453. The drive bevel gear 452 and the driven bevel gear 453 mesh with the bevel gear 454. When the aeration pipe 34 rotates, it drives the forward drive rod 41 inside to rotate, which in turn drives the drive bevel gear 452 to rotate. This causes the bevel gear 454, which meshes with the drive bevel gear 452, to rotate. The rotation of the bevel gear 454 drives the driven bevel gear 453 to rotate in the opposite direction relative to the drive bevel gear 452, which in turn drives the reverse drive rod 42 to rotate in the opposite direction. The reverse drive rod 42 extends to the water surface and drives the adsorption mechanism 5 to rotate.

[0038] See Figure 9The adsorption mechanism 5 includes a connecting column 51, a water-blocking curved panel 52, and an annular adsorption plate 53 for adsorbing grease foam. The water-blocking curved panel 52 is fixedly connected to the annular adsorption plate 53. One end of the annular adsorption plate 53 is inserted into the connecting column 51, and the other side of the annular adsorption plate 53 is slidably connected to the upper part of the inner wall of the pool body 1. The end of the connecting column 51 away from the annular adsorption plate 53 is inserted into the reverse drive rod 42. The surface of the water-blocking curved panel 52 is provided with oleophobic round nails 521. The surface of the oleophobic round nail 521 is coated with an oleophobic coating, which can puncture the foam on the water surface and prevent it from remaining on the surface of the annular adsorption plate 53 due to surface tension. At the same time, the water surface is located at the lower part of the upper end of the water-blocking curved panel 52, and the annular adsorption plate 53 is completely submerged in the water. As the adsorption mechanism 5 rotates, the water-blocking curved panel 52 contacts the water surface and punctures the foam. The water moves downward due to resistance and is drawn into the annular adsorption plate 53. After the annular adsorption plate 53 adsorbs the grease, the water flows out from the pores, avoiding the problem of low adsorption efficiency and incomplete adsorption caused by the small contact area between the conventional adsorption panel and the foam. Due to the rotation of the aeration pipe, the turbulence scraper 341 drives the water to rotate, causing the grease foam on the water surface to slowly rotate around the center of the pool 1. This causes the foam to impact the adsorption mechanism 5, which rotates in the opposite direction, preventing the water-blocking curved panel 52 from pushing the water and thus pushing the foam away during rotation.

[0039] Working principle: During use, sewage is diverted into tank 1 through the inlet. Then, the device is started, and gas is delivered to the annular aeration pipe 34 and aeration disc 32 through the main aeration pipe 31. Aeration is performed through the aeration holes 322, allowing the water and gas to come into contact and mix, and to contact the composite packing layer 2, so as to purify the sewage. The air-blocking component 6 enables the aeration disc 32 to perform pressurized aeration, which generates a backlash force to drive the annular aeration pipe 34 to rotate, and then drives the turbulence scraper 341 to rotate, disturbing the water and microbial community at the bottom of tank 1. The vibration generated by the pressure aeration makes the microorganisms diffuse into the water more quickly. Through the transmission of the reversing component 45, the annular aeration pipe 34 drives the reversing drive rod 42 to rotate in the opposite direction, which in turn drives the adsorption mechanism 5 at the top of tank 1 to rotate in the opposite direction relative to the water, puncturing and adsorbing the oil and foam on the surface of the water.

[0040] The above are merely preferred embodiments of the present invention and are not intended to limit the present invention in any way. Any person skilled in the art can make many possible variations and modifications to the technical solutions of the present invention, or modify them into equivalent embodiments, without departing from the scope of the present invention. Therefore, any modifications, equivalent changes, and alterations made to the above embodiments based on the technology of the present invention without departing from the scope of the present invention are within the protection scope of the present invention.

Claims

1. An ecological filter with a large-area composite packing structure, characterized in that... The system includes a pool body (1), a composite filler layer (2), an aeration mechanism (3), a transmission mechanism (4), and an adsorption mechanism (5) for adsorbing oil and foam on the water surface. The composite filler layer (2) is located in the middle of the pool body (1). One end of the adsorption mechanism (5) is slidably connected to the upper part of the inner wall of the pool body (1), and the other end of the adsorption mechanism (5) is fixedly connected to the upper end of the transmission mechanism (4). The aeration mechanism (3) is located at the bottom of the pool body (1), and the lower part of the transmission mechanism (4) is fixedly connected to the aeration mechanism (3). The aeration mechanism (3) is equipped with an air-blocking component (6). The air-blocking component (6) aerates the aeration mechanism (3) under pressure by blocking the airflow and concentrating the spray. The aeration mechanism (3) rotates under the influence of the recoil force, and then the transmission mechanism (4) causes the adsorption mechanism (5) to adsorb oil and foam on the water surface in a rotating manner. The aeration mechanism (3) includes a main aeration pipe (31), an aeration disc (32), a connecting pipe (33), and an array of ring aeration pipes (34); An air storage layer (321) is provided inside the aeration disc (32), the air storage layer (321) is connected to the through pipe (33), an aeration hole (322) is provided on the surface of the aeration disc (32), the aeration hole (322) is connected to the air storage layer (321), and the aeration hole (322) extends to both sides of the air storage layer (321) with a step (3221), and a trigger pin (3222) is fixed on the step (3221); The air-blocking assembly (6) includes a rotating shaft (61), a trigger rod (62), and an array of arc-shaped plates (63). The array of arc-shaped plates (63) is arranged in a circle. The middle part of the arc surface of the arc-shaped plate (63) is fixedly connected to the rotating shaft (61). The lower end of the trigger rod (62) is fixedly connected to the upper side of the rotating shaft (61). The straight edge of the arc-shaped plate (63) is made of rubber. There is no gap when the array of arc-shaped plates (63) is closed. A pressure plate (323) is provided at the connection between the aeration hole (322) and the gas storage layer (321). The side of the pressure plate (323) is slidably connected to the inner wall of the aeration hole (322). The pressure plate (323) is a hollow structure. The arc plate (63) and the pressure plate (323) are rotatably connected at the middle of the pressure plate (323) through the rotating shaft (61). A limiting sealing ring plate (324) is provided at the lower part of the pressure plate (323). An array of springs (325) is fixedly provided around the upper part of the pressure plate (323). The other end of the springs (325) is fixedly connected to the steps (3221) extending to both sides of the aeration hole (322).

2. The ecological filter with a large-area composite filler structure according to claim 1, characterized in that, The pool body (1) is provided with an inlet and an outlet. The lower part of the pool body (1) is provided with a microbial layer. The composite packing layer (2) is composed of multiple layers of different packing materials.

3. The ecological filter with a large-area composite filler structure according to claim 2, characterized in that, The main aeration pipe (31) passes through the side wall of the pool body (1) and is rotatably connected to the middle of the annular aeration pipe (34). The array of annular aeration pipes (34) are interconnected. The aeration disc (32) is connected to the annular aeration pipe (34) through the through pipe (33). The aeration disc (32) is evenly distributed along the circumference of the annular aeration pipe (34). The aeration disc (32) is inclined. A support frame (311) is fixedly installed on the main aeration pipe (31). The other end of the support frame (311) is rotatably connected to the transmission mechanism (4).

4. The ecological filter pool with a large-area composite packing structure according to claim 3, characterized in that, The lower part of the annular aeration pipe (34) is provided with a turbulence scraper (341) and a support cylinder (342). The turbulence scraper (341) is provided in several groups, and the several groups of turbulence scrapers (341) are evenly arranged along the circumference of the annular aeration pipe (34). The support cylinder (342) is provided in several groups, and the support cylinder (342) is symmetrically arranged along the circumference of the annular aeration pipe (34).

5. The ecological filter with a large-area composite filler structure according to claim 4, characterized in that, The transmission mechanism (4) includes a forward drive rod (41), a reverse drive rod (42), a first connecting rod (43), a second connecting rod (44), and a reverse assembly (45). The forward drive rod (41) is fixedly connected to the inner wall of the middle part of the annular aeration pipe (34) through the first connecting rod (43). The reverse assembly (45) is fixedly connected to the inner wall of the main aeration pipe (31) through the second connecting rod (44). The upper part of the forward drive rod (41) extends into the reverse assembly (45). The lower end of the reverse drive rod (42) extends into the reverse assembly (45). The upper end of the reverse drive rod (42) passes through the main aeration pipe (31) and extends to the water surface. The upper side wall of the reverse drive rod (42) is inserted into the adsorption mechanism (5). The reverse drive rod (42) is rotatably connected to the support frame (311) to provide vertical support when the reverse drive rod (42) rotates.

6. The ecological filter with a large-area composite filler structure according to claim 5, characterized in that, The reversing assembly (45) includes a protective cover (451), a drive bevel gear (452), a driven bevel gear (453), and a bevel gear (454). The drive bevel gear (452), the driven bevel gear (453), and the bevel gear (454) are all rotatably connected to the protective cover (451). The outer side of the protective cover (451) is fixedly connected to the second connecting rod (44). The upper part of the forward drive rod (41) passes through the protective cover (451) and is inserted into the drive bevel gear (452). The lower part of the reversing drive rod (42) passes through the protective cover (451) and is inserted into the driven bevel gear (453). The drive bevel gear (452) and the driven bevel gear (453) mesh with the bevel gear (454).

7. The ecological filter with a large-area composite filler structure according to claim 6, characterized in that, The adsorption mechanism (5) includes a connecting column (51), a water-blocking curved panel (52), and an annular adsorption plate (53) for adsorbing grease foam; the water-blocking curved panel (52) is fixedly connected to the annular adsorption plate (53), one end of the annular adsorption plate (53) is inserted into the connecting column (51), the other side of the annular adsorption plate (53) is slidably connected to the upper part of the inner wall of the pool body (1), the end of the connecting column (51) away from the annular adsorption plate (53) is inserted into the reverse drive rod (42), and the surface of the water-blocking curved panel (52) is provided with oleophobic round nails (521).

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