An automated sewage collection and treatment station

Abstract

An automated wastewater collection and treatment station includes a wastewater treatment unit, which in turn includes a multi-stage AO treatment unit. The multi-stage AO treatment unit includes a lift well, at least one hydrolysis acidification tank group, at least one aerobic tank group, a sedimentation tank, and a clear water tank. The hydrolysis acidification tank group includes three hydrolysis acidification tanks, and the aerobic tank group includes three aerobic tanks. From the inlet to the outlet, the multi-stage AO treatment unit consists of a lift well, three hydrolysis acidification tanks, three aerobic tanks, three aerobic tanks, a sedimentation tank, and a clear water tank. This system achieves automated operation, transforming wastewater collection into wastewater treatment, avoiding the problems of wastewater overflow and leakage during wastewater transportation caused by traditional wastewater collection and transportation methods, and effectively improving wastewater treatment efficiency.

Description

Technical Field

[0001] This application relates to the technical field of wastewater treatment, and in particular to an automated wastewater collection and treatment station. Background Technology

[0002] In today's era of increasing environmental awareness, wastewater treatment has become a crucial link. Choosing the right wastewater treatment equipment plays a key role in solving various wastewater problems. In my country, rural domestic wastewater collection mainly takes the form of centralized transportation, piped connection, and on-site treatment. Centralized transportation involves collecting, storing, and equalizing wastewater in a collection tank, then manually transporting it to a wastewater treatment plant. This centralized-to-remote model removes large suspended solids and sediments from the wastewater through the collection tank, reducing the burden on subsequent treatment equipment. Simultaneously, it balances water quality and quantity, preventing the impact of high-concentration wastewater and excessive water volume on the wastewater treatment system.

[0003] However, the current centralized transportation model consumes a lot of manpower, financial resources, and material resources, which is not suitable for densely populated areas with large sewage discharge. In addition, the transportation process may also cause risks such as sewage leakage or traffic accidents. If the sewage is not transported in time, it will cause overflow, which will affect the surrounding residents and the ecological environment. Summary of the Invention

[0004] This invention provides an automated sewage collection and treatment station, which realizes the automated operation of sewage collection into sewage treatment, avoiding the problems of sewage collection tank overflow and sewage leakage during sewage transportation caused by the sewage collection and sewage transportation modes, and effectively improving the efficiency of sewage treatment.

[0005] To achieve the aforementioned objectives, this application adopts the following technical solution:

[0006] An automated sewage collection and treatment station, characterized in that it includes:

[0007] The wastewater treatment unit includes a multi-stage AO treatment unit, which includes a lift well, at least one hydrolysis acidification tank group, at least one aerobic tank group, a sedimentation tank, and a clear water tank. The hydrolysis acidification tank group includes hydrolysis acidification tank 1, hydrolysis acidification tank 2, and hydrolysis acidification tank 3. The aerobic tank group includes aerobic tank 1, aerobic tank 2, and aerobic tank 3. From the inlet to the outlet, the multi-stage AO treatment unit consists of a lift well, hydrolysis acidification tank 1, aerobic tank 1, hydrolysis acidification tank 2, aerobic tank 2, hydrolysis acidification tank 3, aerobic tank 3, a sedimentation tank, and a clear water tank.

[0008] In some alternative implementations, an aeration unit equipped with two blowers is also provided on the piping of the multi-stage AO treatment unit.

[0009] In some alternative implementations, the aeration unit includes an aeration delivery pipe and an aeration device.

[0010] In some alternative implementations, a sludge removal system is provided in the sedimentation tank, the sludge removal system is equipped with a sludge self-priming pump, and a sludge removal pipe is installed in the sedimentation tank.

[0011] In some alternative embodiments, the sludge discharge pipe is provided with at least one set of through holes, the set of through holes having seven through holes distributed in a quincunx pattern.

[0012] In some alternative implementations, the clear water tank is equipped with a lift pump to lift the wastewater in the clear water tank to the ecological ditch unit.

[0013] In some optional embodiments, the interior of hydrolysis acidification tank 1, hydrolysis acidification tank 2 and hydrolysis acidification tank 3 in the hydrolysis acidification tank group is provided with a hydrolysis acidification tank packing frame, and several three-dimensional elastic packing materials are tied on the hydrolysis acidification tank packing frame.

[0014] In some alternative embodiments, the three-dimensional elastic packing includes a connecting rope, at least one packing mechanism connected to the connecting rope, and at least one cleaning mechanism connected to the connecting rope.

[0015] In some alternative embodiments, a set of packing mechanisms includes a plurality of packing assemblies, and a set of membrane cleaning mechanisms includes a plurality of membrane cleaning assemblies, with the membrane cleaning assemblies and packing assemblies arranged alternately.

[0016] In some optional embodiments, the packing assembly includes several sets of film-bearing stems, with one end of each set of film-bearing stems connected to each other, and the other end of each set having a first film-bearing head. A second film-bearing head is provided in the middle. The width of the A-side of the first film-bearing head is L1, and the diameter of the film-bearing stem is L2, where L1>L2. The second film-bearing head includes a top film member and a film-bearing member, with an included angle α between the top film member and the film-bearing member, where 45°<α<70°. The film-cleaning assembly includes a support ring, two inclined film-cleaning plates connected to the support ring, and a connecting rod connected to the support ring. The two inclined film-cleaning plates are symmetrically arranged on opposite sides of the support ring, and the connecting rod is provided on the inner side wall of the support ring. Several film-cleaning grooves are provided on the inclined film-cleaning plates.

[0017] The automated wastewater collection and treatment station provided in this application has the following beneficial effects:

[0018] The technical solution adopted in this application includes an automated wastewater collection and treatment station, comprising a wastewater treatment unit, which in turn includes a multi-stage AO treatment unit. The multi-stage AO treatment unit includes a lift well, at least one hydrolysis acidification tank group, at least one aerobic tank group, a sedimentation tank, and a clear water tank. The hydrolysis acidification tank group includes hydrolysis acidification tank one, hydrolysis acidification tank two, and hydrolysis acidification tank three; the aerobic tank group includes aerobic tank one, aerobic tank two, and aerobic tank three. From the inlet to the outlet, the multi-stage AO treatment unit consists of a lift well, hydrolysis acidification tank one, aerobic tank one, and a clear water tank. The system comprises two acidification tanks, two aerobic tanks, three hydrolysis acidification tanks, three aerobic tanks, a sedimentation tank, and a clear water tank. This system enables the transformation of wastewater collection into an automated wastewater treatment plant, avoiding the problems of overflowing wastewater collection tanks and leakage during wastewater transportation that occur under the traditional wastewater collection and transportation model. This effectively improves the efficiency of wastewater treatment. Furthermore, through the arrangement of the packing mechanism and the membrane cleaning mechanism in the three-dimensional elastic packing, the efficiency of membrane attachment and detachment is effectively improved under the action of the first and second membrane attachment heads, thereby enhancing the wastewater purification capacity. Attached Figure Description

[0019] Other features, objects, and advantages of this application will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings:

[0020] Figure 1 This is an overall structural diagram of an automated sewage collection and treatment station according to this application;

[0021] Figure 2 This is a structural diagram of a hydrolysis acidification tank in an automated wastewater collection and treatment station according to this application;

[0022] Figure 3 This is a structural diagram of a three-dimensional elastic packing material in an automated sewage collection and treatment station according to this application;

[0023] Figure 4 This is a perspective view of a membrane cleaning assembly in an automated wastewater collection and treatment station according to this application;

[0024] Figure 5 yes Figure 4 Enlarged view of circle A shown;

[0025] Figure 6 This is a partial structural diagram of an inclined cleaning membrane in an automated sewage collection and treatment station according to this application;

[0026] Figure 7 This is a perspective view of a membrane cleaning assembly in an automated wastewater collection and treatment station according to this application.

[0027] Figure 8 This is a partial structural diagram of a three-dimensional elastic packing material in an automated sewage collection and treatment station according to this application;

[0028] Figure 9 yes Figure 8 Enlarged view of circle B shown;

[0029] Figure 10 This is a structural diagram of an ecological ditch unit in an automated sewage collection and treatment station according to this application;

[0030] Figure 11 This is a schematic diagram of a fibrous layer in an automated sewage collection and treatment station according to this application.

[0031] Figure label:

[0032] 10. Wastewater treatment unit;

[0033] 20. Multi-stage AO treatment unit; 21. Lifting well; 22. Hydrolysis acidification tank group; 221. Hydrolysis acidification tank one; 222. Hydrolysis acidification tank two; 223. Hydrolysis acidification tank three; 23. Aerobic tank group; 231. Aerobic tank one; 232. Aerobic tank two; 233. Aerobic tank three; 24. Sedimentation tank; 25. Clear water tank; 26. Three-dimensional elastic packing; 261. Connecting rope; 262. Packing mechanism; 263. Membrane cleaning mechanism; 2631. Membrane cleaning assembly; 2632. Support ring; 2633. Inclined membrane cleaning sheet; 2634. Connecting rod; 2635. Membrane cleaning groove; 264. Packing assembly; 265. Membrane hanging stem; 266. First membrane hanging head; 267. Second membrane hanging head; 2671. Top membrane component; 2672. Membrane hanging component; 27. Filamentous layer;

[0034] 30. Ecological Ditch Unit. Detailed Implementation

[0035] The specific embodiments of this application are described below with reference to the accompanying drawings and examples. Through the content described in this specification, those skilled in the art can clearly and completely understand the technical solution, the technical problem solved, and the resulting technical effects of this application. It is understood that the specific embodiments described herein are only for explaining this application and not for limiting it. Furthermore, for ease of description, only the parts related to this application are shown in the accompanying drawings.

[0036] It should be noted that the structures, proportions, sizes, etc., shown in the accompanying drawings are only for the purpose of assisting those skilled in the art in understanding and reading the contents described in the specification, and are not intended to limit the conditions under which this application can be implemented. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in the proportional relationships, or adjustments to the size should fall within the scope of the technical content disclosed in this application, provided that they do not affect the effects and purposes that this application can produce.

[0037] The use of terms such as "first," "second," and "the" does not imply quantity limitation and may indicate singular or plural. The terms "comprising," "including," "having," and any variations thereof used in this application are intended to cover non-exclusive inclusion; for example, a process, method, system, product, or device that includes a series of steps or modules is not limited to the listed steps or units, but may also include steps or units not listed, or other steps or units inherent to such processes, methods, products, or devices. The terms "connected," "linked," and "coupled" used in this application are not limited to physical or mechanical connections, but may also include direct or indirect electrical connections.

[0038] It should also be noted that the longitudinal section corresponding to the embodiment of this application can be the section corresponding to the front view direction, the transverse section can be the section corresponding to the right view direction, and the horizontal section can be the section corresponding to the top view direction.

[0039] Furthermore, where there is no conflict, the embodiments and features described in this application can be combined with each other. This application will now be described in detail with reference to the accompanying drawings and embodiments.

[0040] refer to Figure 1 , Figure 1 This is an overall structural diagram of an automated wastewater collection and treatment station according to this application. Figure 1 As shown, an automated sewage collection and treatment station includes a sewage treatment unit 10, which includes a multi-stage AO treatment unit 20 and an ecological ditch unit 30. It should be noted that the multi-stage AO treatment unit 20 refers to a treatment mode in which the biological reactor is divided into multiple groups of anoxic and aerobic tanks that alternate.

[0041] Continue to refer to Figure 1 Please refer to them together. Figure 2 , Figure 2 This is a structural diagram of a hydrolysis acidification tank in an automated wastewater collection and treatment station according to this application. Figure 1 and Figure 2As shown, the multi-stage AO treatment unit 20 includes a lift well 21, at least one hydrolysis acidification tank group 22, at least one aerobic tank group 23, a sedimentation tank 24, and a clear water tank 25. Its water flow method is a diagonal bottom-in, top-out flow, fully utilizing the volume of each unit tank and increasing the hydraulic retention time. Specifically, the water supply pipe is a De110 PVC pipe to meet water flow requirements, increase flow efficiency, and reduce the possibility of blockage. Even under full-load inflow, it can still achieve efficient flow, effectively reflecting the flow efficiency of the automated wastewater collection and treatment station. Furthermore, each outlet is equipped with a water level regulator (not shown in the figure) to control the water level in real time as needed, thereby controlling the hydraulic retention time to achieve the optimal timing for wastewater of different concentrations entering the automated wastewater collection and treatment station, thus achieving the best treatment effect. Further… The pipeline is also equipped with an aeration unit (not shown in the figure), which has two blowers (not shown in the figure) to generate compressed air to continuously produce oxygen for the automated sewage collection and treatment station. The aeration unit includes an aeration delivery pipeline and an aeration device. The aeration delivery pipeline uses De50PPR aeration pipe to ensure smooth gas transmission. The aeration device uses a Φ215mm microporous aeration disc with an aeration size of 215×160mm. At a water depth of 6 meters, the oxygen utilization rate can still reach 40.7%. The adjacent installation spacing is 500mm. It should be noted that the micropores of the microporous aeration disc in the aeration device can effectively cut the gas, thereby realizing the transformation of the gas into small and dense bubbles, effectively enhancing the contact rate between the gas and the sewage, thereby improving the efficiency of oxygen transfer from the gas phase to the liquid phase and increasing the dissolved oxygen content in the water.

[0042] Continue to refer to Figure 1 and Figure 2The hydrolysis acidification tank group 22 includes hydrolysis acidification tank one 221, hydrolysis acidification tank two 222, and hydrolysis acidification tank three 223. The aerobic tank group 23 includes aerobic tank one 231, aerobic tank two 232, and aerobic tank three 233. The multi-stage AO treatment unit 20 consists of, from the inlet to the outlet, a lift well 21, hydrolysis acidification tank one 221, aerobic tank one 231, hydrolysis acidification tank two 222, aerobic tank two 232, hydrolysis acidification tank three 223, aerobic tank three 233, a sedimentation tank 24, and a clear water tank 25. Furthermore, the sedimentation tank 24 is equipped with a sludge removal system (not shown in the figure), and the sludge removal pipe is a De50 UPVC water supply pipe. The sludge discharge system is equipped with a sludge self-priming pump with a power of 0.55 kW. In addition, the sludge discharge pipes installed in the sedimentation tank 24 have a spacing of 300 mm between adjacent sludge discharge pipes and at least one set of through holes on the sludge discharge pipes. Each set of through holes has seven through holes arranged in a quincunx pattern to allow the sludge to be pumped out by the sludge self-priming pump and then returned to the lifting well 21, thus improving the return efficiency. Specifically, the through holes are formed by drilling. In addition, in the sewage treatment process, the purified sludge flows by gravity to the clear water tank 25, which is equipped with a lifting pump to lift the sewage in the clear water tank 25 to the ecological ditch unit 30. The hydrolysis acidification tank group 22 consists of three hydrolysis acidification tanks: 221 (first), 222 (second), and 223 (third). Each hydrolysis acidification tank is equipped with a packing frame, on which several three-dimensional elastic packing materials 26 are bundled. The spacing between adjacent elastic packing materials 26 is 120 mm. Similarly, the aerobic tank group 23 consists of three aerobic tanks: 231 (first), 232 (second), and 233 (third). Each aerobic tank is equipped with a packing frame, on which several rope-type packing materials are bundled. The spacing between adjacent rope-type packing materials is 60 mm. Furthermore, the packing frame of the hydrolysis acidification tank is made of No. 14 grade 3 threaded steel, and its shape is rectangular. The four corners of the rectangular structure are supported by 20cm steel bars. The length of the packing frame of the hydrolysis acidification tank is equal to the width of the hydrolysis acidification tank, which is 360mm wide, and the spacing between adjacent threaded steel bars is 120mm. The packing frame of the aerobic tank is also made of No. 14 grade 3 threaded steel. The length of the packing frame of the aerobic tank is equal to the width of the aerobic tank, which is 300mm wide, and the spacing between adjacent threaded steel bars is 100mm. Here, a multi-stage AO process is selected based on the strong biodegradability of rural domestic sewage. After being lifted by lift well 21, the sewage enters the hydrolysis acidification tank, where large organic molecules that are difficult to degrade by organisms are converted into small molecules, further improving the biodegradability of the sewage. Then, it enters the aerobic tank, where aerobic microorganisms use oxygen to decompose organic matter into carbon dioxide and water, while oxidizing ammonia nitrogen in the wastewater into nitrate nitrogen. Through the first hydrolysis acidification, first aerobic process, second hydrolysis acidification, second aerobic process, third hydrolysis acidification, and third aerobic process, a multi-stage AO alternation is formed, which fully transforms or adsorbs toxic and harmful substances in the sewage, ultimately achieving sewage purification.

[0043] Continue to refer to Figure 2 Please refer to them together. Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 and Figure 9 , Figure 3 This is a structural diagram of a three-dimensional elastic packing material in an automated sewage collection and treatment station according to this application. Figure 4 This is a perspective view of a membrane cleaning assembly in an automated wastewater collection and treatment station according to this application. Figure 5 yes Figure 4 The enlarged view of circle A shown. Figure 6 This is a partial structural diagram of an inclined cleaning membrane in an automated sewage collection and treatment station according to this application. Figure 7 This is a perspective view of a membrane cleaning assembly in an automated wastewater collection and treatment station according to this application. Figure 8 This is a partial structural diagram of a three-dimensional elastic packing material in an automated sewage collection and treatment station according to this application. Figure 9 yes Figure 8 An enlarged view of circle B shown. (See diagram below.) Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 and Figure 9As shown, the three-dimensional elastic filler 26 further includes a connecting rope 261, at least one set of filler mechanisms 262 connected to the connecting rope 261, and at least one set of film-cleaning mechanisms 263 connected to the connecting rope 261. Each set of filler mechanisms 262 includes a plurality of filler assemblies 264, each filler assembly 264 including a plurality of film-attaching stems 265. One end of each film-attaching stem 265 is connected to the other end, and a first film-attaching head 266 is provided at the other end. A second film-attaching head 267 is provided in the middle portion. The width of surface 266A is L1, and the diameter of the film-attaching stem 265 is L2, where L1>L2; the second film-attaching head 267 includes a top film member 2671 and a film-attaching member 2672, with an included angle α between the top film member 2671 and the film-attaching member 2672, where 45°<α<70°. Specifically, one end of the film-attaching member 2672 is connected to the top film member 2671, and the other end is a free end. The free end of the film-attaching member 2672 is set to a pointed angle, with the angle of the pointed angle being β, where 10°<β<30°. A set of membrane cleaning mechanisms 263 includes several membrane cleaning components 2631. The membrane cleaning components 2631 and the packing components 264 are arranged alternately. The membrane cleaning component 2631 includes a support ring 2632, two inclined membrane cleaning plates 2633 connected to the support ring 2632, and a connecting rod 2634 connected to the support ring 2632. The two inclined membrane cleaning plates 2633 are symmetrically arranged on opposite sides of the support ring 2632. The connecting rod 2634 is disposed on the inner side wall of the support ring 2632. One end of the connecting rod 2634 is connected to the inner side wall of the support ring 2632, and the other end is connected to the connecting rope 261. Several membrane cleaning grooves 2635 are provided on the inclined membrane cleaning plates 2633. Furthermore, the inclination angle of the inclined membrane cleaning plates 2633 is γ, where 15°>γ>30°. Here, through the arrangement of the packing mechanism 262 and the membrane cleaning mechanism 263 in the three-dimensional elastic packing 26, the efficiency of membrane attachment and detachment of the three-dimensional elastic packing 26 is effectively improved under the action of the first membrane attachment head 266 and the second membrane attachment head 267, thereby improving the sewage purification capacity.

[0044] Continue to refer to Figure 1 Please refer to them together. Figure 10 , Figure 10 This is a structural diagram of an ecological ditch unit in an automated sewage collection and treatment station according to this application. Figure 1 and Figure 10As shown, the interior of the ecological ditch unit 30 is lined with phosphorus removal filler. Specifically, the ecological ditch unit 30 is a prefabricated ditch with a width of 440mm, a wall thickness of 70mm, a depth of 300mm, and is 50mm above the ground. The ecological ditch unit 30 is placed on top of the multi-stage AO treatment unit 20. A 10cm layer of gravel is laid on top of it, and the remaining part is covered with soil and compacted. The phosphorus removal filler is 250mm thick. Aquatic plants can be planted inside the phosphorus removal filler, and the phosphorus removal filler and the planted aquatic plants work together to adsorb and remove substances such as TP. It should be noted that TP refers to the total phosphorus in various forms in water or feed. Here, the automated wastewater collection and treatment station includes a wastewater treatment unit 10, which includes a multi-stage AO treatment unit 20. The multi-stage AO treatment unit 20 includes a lift well 21, at least one hydrolysis acidification tank group 22, at least one aerobic tank group 23, a sedimentation tank 24, and a clear water tank 25. The hydrolysis acidification tank group 22 includes hydrolysis acidification tank one 221, hydrolysis acidification tank two 222, and hydrolysis acidification tank three 223. The aerobic tank group 23 includes aerobic tank one 231, aerobic tank two 232, and aerobic tank three 233. From the inlet to the outlet, the multi-stage AO treatment unit 20 consists of the lift well 21, the hydrolysis acidification tank one 221, and the aerobic tank one 222. The system comprises 231, 222, 232, 223, 233, 24, and 25, including a hydrolysis acidification tank, aerobic tank, a sedimentation tank, and a clear water tank. This system enables the automated operation of a wastewater treatment plant, transforming wastewater collection into a wastewater treatment facility. It avoids the problems of overflowing wastewater collection tanks and leakage during wastewater transportation caused by the wastewater collection and transportation modes, effectively improving the efficiency of wastewater treatment. Furthermore, through the arrangement of the packing mechanism 262 and the membrane cleaning mechanism 263 in the three-dimensional elastic packing material 26, and under the action of the first membrane attachment head 266 and the second membrane attachment head 267, the efficiency of membrane attachment and detachment of the three-dimensional elastic packing material 26 is effectively improved, thereby enhancing the wastewater purification capacity.

[0045] To facilitate understanding, the working principle of this application is further described as follows: The process flow of the multi-stage AO treatment unit 20 is as follows: Wastewater flows by gravity into the lift well 21 through the end well of the pipeline network and remains inside the lift well 21, allowing the wastewater volume and quality to be buffered and balanced within the lift well 21. Larger particles and suspended solids in the wastewater are removed by sedimentation in the lift well 21. The balanced wastewater is then evenly lifted into the hydrolysis acidification tank 221 by the lift pump inside the lift well 21 under timed control. In the hydrolysis acidification tank 221, under the catalytic action of hydrolytic enzymes, large molecules and recalcitrant substances are converted into easily biodegradable small molecules and released back into the water body. At the same time, micro-… The organisms further ferment small-molecule organic matter to produce various organic acids, which lowers the pH value of the wastewater and completes the acidification process. The hydrolysis and acidification reactions improve the biodegradability of the wastewater, creating favorable conditions for subsequent aerobic treatment. Afterward, the hydrolyzed and acidified wastewater flows by gravity into aerobic tank 231 through the water pipe between hydrolysis acidification tank 221 and aerobic tank 231. Aerobic tank 231 uses a blower to produce oxygen and transports it to aerobic tank 231 through a conveying pipe. After passing through the aeration device and monitoring the dissolved oxygen, the dissolved oxygen in aerobic tank 231 is strictly controlled to 2-4 mg / L, providing good conditions for the growth of microorganisms and biofilm formation on the packing material in aerobic tank 231. In aerobic tank 231, aerobic microorganisms utilize oxygen to decompose organic matter in wastewater into carbon dioxide and water. Simultaneously, they oxidize ammonia nitrogen in the wastewater into nitrate nitrogen and convert phosphate into insoluble precipitates. The wastewater sequentially passes through hydrolysis acidification tank 221, aerobic tank 231, hydrolysis acidification tank 222, aerobic tank 232, hydrolysis acidification tank 323, and aerobic tank 333, achieving a multi-stage AO process. Anoxic and aerobic operations alternate. The mixed liquor from the aerobic tanks directly enters the next stage of the AO process, the hydrolysis acidification tank, eliminating the need for nitrification liquor recirculation facilities and reducing energy consumption. After treatment in hydrolysis acidification tank 223, the wastewater flows by gravity into sedimentation tank 24. After one-step sedimentation and purification, the wastewater flows by gravity into the clear water tank 25. The wastewater is then pumped from the clear water tank 25 to the ecological ditch unit 30. The ecological ditch unit 30 uses phosphorus removal filler instead of soil, which effectively enhances the phosphorus removal effect. At the same time, combined with the aquatic plants inside, it achieves multi-stage adsorption of phosphorus. It should be noted that the inorganic nitrogen in the wastewater is absorbed by the plants through their roots and used for their own growth and development. Based on the phosphorus removal filler and landscape plants in the ecological ditch unit 30, the water flow rate is effectively reduced, the residence time of wastewater in the ecological ditch unit 30 is increased, and the particles and suspended solids in the water are further deposited in the ecological ditch unit 30. It also has a small footprint and is easy to construct.

[0046] Furthermore, the connecting rope 261 in the three-dimensional elastic packing 26 is made of soft plastic, allowing it to float freely in the water. The head of the first membrane-attaching head 266 on the membrane-attaching stem 265 in the packing assembly 264 is directly inserted into the membrane, and the membrane is attached using side A. The top membrane component 2671 of the second membrane-attaching head 267 is directly inserted into the membrane, and the membrane is attached using the membrane-attaching component 2672. Simultaneously, as the wastewater flow increases, the membrane-attaching stem 265 comes into contact with the inclined membrane-cleaning plate 2633 and membrane-cleaning groove 2635 on the nearest membrane-cleaning assembly 2631. Upon contact, the membranes attached to the first membrane-attaching head 266 and the second membrane-attaching head 267 are detached, and the detached membranes are collected within the space formed by the support ring 2632 and the inclined membrane-cleaning plate 2633. This effectively improves the membrane attachment and detachment efficiency of the three-dimensional elastic packing 26, thereby enhancing the wastewater purification capacity. (Reference) Figure 11 , Figure 11 This is a schematic diagram of a fibrous layer in an automated sewage collection and treatment station according to this application. It should be noted that the inner wall of the formed containment space is set as an interlaced fibrous layer 27, which can effectively enable the first biofilm attachment head 266 and the second biofilm attachment head 267 to detach the biofilm and receive the detached biofilm.

[0047] Although this application has been described and illustrated with reference to specific embodiments thereof, such description and illustration are not limiting of this application. It will be readily understood by those skilled in the art that various changes can be made and equivalent elements can be substituted within embodiments without departing from the true spirit and scope of this application as defined by the appended claims. Illustrations may not be drawn to scale. Differences may exist between the technical representation in this application and actual implementation due to variables in the manufacturing process, etc. Other embodiments of this application may exist that are not specifically described. The description and illustrations should be considered illustrative rather than restrictive. Modifications can be made to adapt particular circumstances, materials, composition, methods, or processes to the objectives, spirit, and scope of this application. All such modifications fall within the scope of the appended claims. While the methods disclosed herein have been described with reference to specific operations performed in a particular order, it should be understood that these operations can be combined, subdivided, or reordered to form equivalent methods without departing from the teachings of this application. Therefore, unless specifically indicated herein, the order and grouping of operations do not limit this application.

Claims

1. An automated sewage collection and treatment station, characterized in that, Comprising The sewage treatment unit comprises a multi-stage AO treatment unit, the multi-stage AO treatment unit comprises a lifting well, at least one hydrolysis acidification tank group, at least one aerobic tank group, a sedimentation tank and a clear water tank; the hydrolysis acidification tank group comprises a hydrolysis acidification tank one, a hydrolysis acidification tank two and a hydrolysis acidification tank three, the aerobic tank group comprises an aerobic tank one, an aerobic tank two and an aerobic tank three, and the multi-stage AO treatment unit comprises the lifting well, the hydrolysis acidification tank one, the aerobic tank one, the hydrolysis acidification tank two, the aerobic tank two, the hydrolysis acidification tank three, the aerobic tank three, the sedimentation tank and the clear water tank from the water inlet end to the water outlet end in sequence; The hydrolysis acidification tank one, the hydrolysis acidification tank two and the hydrolysis acidification tank three in the hydrolysis acidification tank group are each internally provided with a hydrolysis acidification tank filler frame, and a plurality of three-dimensional elastic fillers are bundled on the hydrolysis acidification tank filler frame; The three-dimensional elastic filler comprises a connecting rope, at least one group of filler mechanisms connected to the connecting rope and at least one group of membrane cleaning mechanisms connected to the connecting rope; One group of filler mechanisms comprises a plurality of filler assemblies, and one group of membrane cleaning mechanisms comprises a plurality of membrane cleaning assemblies, the membrane cleaning assemblies and the filler assemblies are alternately arranged; The filler assembly comprises a plurality of groups of membrane-hanging stems, one end of the same group of membrane-hanging stems is connected to each other, the other end is provided with a first membrane-hanging head, the middle part is provided with a second membrane-hanging head, the width of the first membrane-hanging head A face is L1, the diameter of the membrane-hanging stem is L2, L1>L2; the second membrane-hanging head comprises a top membrane piece and a membrane-hanging piece, one end of the membrane-hanging piece is connected to the top membrane piece, the other end is a free end, the free end of the membrane-hanging piece is provided in a sharp angle type, an included angle α is formed between the top membrane piece and the membrane-hanging piece, 45°<α<70°, the membrane cleaning assembly comprises a supporting ring, two inclined membrane cleaning pieces connected to the supporting ring and a connecting rod connected to the supporting ring, the two inclined membrane cleaning pieces are symmetrically arranged on the opposite sides of the supporting ring, one end of the connecting rod is connected to the inner side wall of the supporting ring, the other end is connected to the connecting rope, and a plurality of membrane cleaning grooves are arranged on the inclined membrane cleaning piece.

2. The automated sewage collection and treatment station of claim 1, wherein, An aeration unit is further arranged on the pipeline of the multi-stage AO treatment unit, and the aeration unit is provided with two air blowers.

3. The automated sewage collection and treatment station of claim 2, wherein, The aeration unit comprises an aeration conveying pipeline and an aeration device.

4. The automated sewage collection and treatment station of claim 3, wherein, A sludge discharge system is arranged in the sedimentation tank, the sludge discharge system is provided with a sludge self-suction pump, and a sludge discharge pipe is installed in the sedimentation tank.

5. The automated sewage collection and treatment station of claim 4, wherein, At least one group of through holes is arranged on the sludge discharge pipe, one group of through holes has seven through holes, and the seven through holes are distributed in a plum blossom shape.

6. The automated sewage collection and treatment station of claim 5, wherein, The clear water tank is provided with a lifting pump to lift the sewage in the clear water tank to the ecological ditch unit.

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