Environment-friendly treatment device for water pollution

Abstract

The invention provides a water pollution environment-friendly treatment device, which belongs to the technical field of environment protection, and comprises a purification containing cabin, an inner cylinder, a middle cylinder and an outer cylinder are coaxially arranged in the purification containing cabin, a primary filter screen membrane, an activated carbon adsorption layer and a secondary filter screen membrane are respectively arranged in the inner cylinder, the middle cylinder and the outer cylinder, and the bottoms of the three cylinders are fixed on a central support disc and are driven by a bottom driving assembly to rotate. And a drain pipe is arranged on the side wall of the cross-flow conduit. The aeration disinfection assembly comprises a bottom aeration shell and a plurality of disinfection cylinders on an outer ring plate; a second push-pull cylinder is used for controlling the opening and closing of a blocking ring plate at the bottom of the disinfection tube; the fan blades in the aeration shell are driven by the driving assembly, and supply air to the disinfection cylinder through the aeration pipe, so that the synergistic purification of aeration and ultraviolet disinfection is realized. The device disclosed by the invention integrates gradient filtration, rotary anti-blocking, adsorption purification, aeration oxygenation and ultraviolet disinfection, and can efficiently and stably complete whole-flow water treatment with low consumption only by using fewer driving sources.

Description

Technical Field

[0001] This invention relates to the field of environmental protection technology, and more specifically, to a water pollution environmental protection treatment device. Background Technology

[0002] In existing water pollution treatment technologies, small and medium-sized wastewater treatment equipment generally suffers from limited functionality and low integration. Traditional devices typically separate physical filtration, chemical adsorption, biological aeration, and disinfection into multiple independent units. This not only occupies a large space but also requires multiple drive and control systems, leading to high energy consumption and complex operation and maintenance. For example, common multi-stage filter cartridge structures are mostly static designs, prone to clogging due to impurity accumulation, requiring frequent shutdowns for cleaning. Furthermore, ultraviolet disinfection modules are often separated from the aeration system, failing to utilize airflow disturbances to improve irradiation uniformity, thus limiting sterilization efficiency. In addition, activated carbon adsorption layers often employ packed or plate structures, lacking effective support, making them susceptible to displacement or pulverization under water flow impact, affecting long-term operational stability.

[0003] Although some integrated devices have attempted to combine filtration and disinfection functions, they still have significant drawbacks: on the one hand, the limited number of filtration layers and unreasonable pore size gradients make it difficult to simultaneously intercept large particles and remove micro-pollutants; on the other hand, redundant power systems, with each functional module relying on independent motor drives, not only increase potential points of failure but also raise manufacturing and maintenance costs. Especially in decentralized application scenarios (such as rural areas, scenic spots, or emergency response), the compactness, self-cleaning ability, and energy efficiency of the equipment become key bottlenecks.

[0004] Therefore, there is an urgent need for a water treatment device with a highly integrated structure that requires only a few driving sources to synergistically achieve gradient filtration, efficient adsorption, simultaneous aeration, and enhanced disinfection, in order to solve the core problems of low efficiency, easy clogging, high energy consumption, and difficult maintenance in existing technologies. Summary of the Invention

[0005] The purpose of this invention is to provide a water pollution environmental protection treatment device, which aims to solve the problems mentioned in the background art.

[0006] This invention is implemented as follows: a water pollution environmental protection treatment device includes a purification chamber, a cross-flow conduit fixed to the top of the purification chamber, an inlet pipe connected to the side of the cross-flow conduit, and a drain pipe connected to the bottom of the inner cavity of the purification chamber installed on the side of the purification chamber; it also includes: The purification chamber comprises an inner cylinder, a middle cylinder, and an outer cylinder, which are coaxially arranged on the inner side. A primary filter membrane is fixed to the side wall of the inner cylinder, an activated carbon adsorption layer is fixed to the side wall of the middle cylinder, and a secondary filter membrane is fixed to the side wall of the outer cylinder. The pore size of the primary filter membrane is larger than that of the secondary filter membrane. A central support plate is fixed to the bottom of the inner cylinder, the middle cylinder, and the outer cylinder. The lower side of the central support plate is fixedly connected to the output end of the drive component installed at the bottom of the purification chamber. The aeration and disinfection assembly includes an outer ring plate connected to the outer side of the central support plate, and the outer ring plate is fixedly connected to the inner wall of the purification chamber. The aeration and disinfection assembly includes an aeration shell fixed to the bottom of the purification chamber and multiple disinfection cylinders circumferentially distributed and fixed to the outer ring plate. The inner side of each disinfection cylinder is elastically supported by a disinfection lamp tube, and the bottom of each disinfection cylinder is provided with a sealing ring plate that can block it. A second push-pull cylinder for driving the sealing ring plate to rise and fall is fixed to the bottom of the purification chamber. The inner side of the aeration shell is provided with a fan blade that is connected to the drive assembly, and the inner cavity of the aeration shell is connected to the inner cavity of the disinfection cylinder through an aeration pipe.

[0007] Optionally, the primary filter membrane is a stainless steel woven mesh with a pore size of 0.12-0.2 mm; the secondary filter membrane is a polytetrafluoroethylene microporous membrane with a pore size of 0.05-0.1 mm, and both the primary and secondary filter membranes can be detachably connected to the corresponding cylinder wall; the activated carbon adsorption layer has a honeycomb structure with several supporting skeletons embedded inside, the supporting skeletons being detachably connected to the inner wall of the middle cylinder, and the activated carbon adsorption layer has a thickness of 30-50 mm.

[0008] Optionally, the drive assembly includes a bottom transmission cylinder fixed to the center of the bottom of the central support plate. The bottom transmission cylinder is rotatably connected to the bottom of the purification chamber, and a first gear is fixed at the lower end of the bottom transmission cylinder. The first gear is meshed with a second gear fixed at the output end of the second motor, and the second motor is fixedly connected to the bottom of the purification chamber through a second bracket.

[0009] Optionally, a second stabilizing ring is fixed to the top of the middle cylinder, the inner ring of the second stabilizing ring is fixedly connected to the outer wall of the inner cylinder, and the outer ring is fixedly connected to the inner wall of the outer cylinder; a first stabilizing ring is fixed to the top of the purification chamber and is rotatably connected to the second stabilizing ring; a third stabilizing ring is fixed to the top of the inner cylinder, and the inner ring of the third stabilizing ring is rotatably connected to the cross-flow duct.

[0010] Optionally, the disinfection cylinder has a cylindrical structure, with its inner cavity communicating with the upper space of the outer ring plate; the disinfection lamp is coaxially arranged with the disinfection cylinder, and its upper and lower ends are respectively connected to the inner wall of the disinfection cylinder through multiple circumferentially distributed elastic support rods; one end of the aeration pipe is connected to the upper part of the inner cavity of the aeration shell, and the other end is connected to the sealing ring plate, and when the sealing ring plate abuts against the lower end of the disinfection cylinder, the aeration pipe is connected to the bottom of the inner cavity of the disinfection cylinder; a one-way valve is provided at the connection between the aeration pipe and the sealing ring plate.

[0011] Optionally, the inner ring at the top of the aeration shell is rotatably connected to the bottom drive cylinder in a sealed manner, and the fan blade is fixed on the bottom drive cylinder and located inside the aeration shell; the bottom of the purification chamber is provided with an air inlet that communicates with the inner cavity of the aeration shell.

[0012] Optionally, the system further includes a slag-scraping and cleaning assembly, which includes a circumferentially distributed guide bracket, a slidably mounted slag-scraping ring on the guide bracket, and a connecting pivot fixed to the outer side of the slag-scraping ring; a first push-pull cylinder is fixed to the top of the purification chamber, and the telescopic spindle end of the first push-pull cylinder is fixedly connected to the connecting pivot; a fourth push-pull cylinder is horizontally fixed to the circumferentially distributed slag-scraping ring, and an elastic scraper capable of adhering to the side wall of the outer cylinder is fixed to the end of the telescopic spindle of the fourth push-pull cylinder; a slag collection trough is fixed to the lower side of the slag-scraping ring, and the slag collection trough is connected to a slag collection bin fixed to the outer wall of the purification chamber through a slag discharge pipe; and a slag cleaning plate that mates with the inner cavity of the slag collection trough is fixed to the top of the outer side of the outer cylinder.

[0013] Optionally, the guide bracket adopts an inverted L-shaped structure, with its upper vertical part fixedly connected to the top of the purification chamber and its outer horizontal part fixedly connected to the inner sidewall of the purification chamber.

[0014] Optionally, it also includes a pre-filtration and reagent dosing assembly, which includes a first filter cartridge and a second filter cartridge coaxially disposed inside the inner cylinder. The first and second filter cartridges are mating inverted conical structures, with the lower end of the first filter cartridge connected to the upper end of the second filter cartridge, and the aperture of the second filter cartridge being smaller than that of the first filter cartridge. The upper end of the first filter cartridge is rotatably connected to the lower end of the cross-flow guide tube, and the lower end of the second filter cartridge is fixedly connected to the central support plate. A main swivel shaft is coaxially disposed inside the first and second filter cartridges. A first motor, which is drively connected to the main swivel shaft, is fixed to the upper end of the cross-flow guide tube, and the lower end of the main swivel shaft is rotatably connected to the central support plate. Several mixing rods are fixed on the main vortex shaft inside the cross-flow duct. Several scrapers that abut against the inner wall of the first filter cylinder are fixed on the main vortex shaft inside the first filter cylinder. Spiral blades that cooperate with the inner wall of the second filter cylinder are fixed on the main vortex shaft inside the second filter cylinder. A reagent tank is fixed on the top of the purification chamber. A delivery pump is provided at the bottom of the reagent tank. The outlet of the delivery pump is connected to the upper part of the inner cavity of the cross-flow duct through a reagent dosing pipe. A vent is provided on the central support plate that communicates with the inner cavity of the second filter cylinder. A sealing cap that can block the vent is provided on the lower side of the central support plate. A third push-pull cylinder is fixed on the bottom of the purification chamber through a first corner bracket. The telescopic spindle end of the third push-pull cylinder is rotatably connected to the sealing cap.

[0015] Optionally, the first filter cartridge has a cone angle of 15° and an aperture of 0.15–0.25 mm; the second filter cartridge has a cone angle of 20° and an aperture of 0.08–0.15 mm; the mating ends of the first and second filter cartridges are gradually changing mating surfaces.

[0016] The water pollution environmental protection treatment device provided by this invention has the following beneficial effects: By coaxially arranging an inner cylinder, middle cylinder, and outer cylinder within the purification chamber, and sequentially configuring a primary filter membrane, an activated carbon adsorption layer, and a secondary filter membrane with pore sizes decreasing from large to small, gradient multi-stage physical filtration and chemical adsorption of wastewater are achieved. The inner, middle, and outer cylinders are rotated as a whole by a drive assembly, enhancing water flow disturbance, effectively preventing filter media clogging, and improving treatment efficiency. Simultaneously, the integrated aeration and disinfection assembly utilizes the same drive source to drive the fan blades to deliver compressed air into the disinfection cylinder cavity, forming a microbubble flow, which aerates and oxygenates the water while enhancing the ultraviolet inactivation effect of the disinfection lamps.

[0017] In summary, this device integrates gradient filtration, rotary anti-clogging, adsorption purification, aeration and oxygenation, and ultraviolet disinfection into one unit, which can efficiently, efficiently, and stably complete the entire water treatment process with only a few driving sources.

[0018] Other features and advantages of the invention will become clear from the following detailed description of exemplary embodiments of the invention with reference to the accompanying drawings. Attached Figure Description

[0019] The accompanying drawings, which are incorporated in and form part of this specification, illustrate embodiments of the invention and, together with their description, serve to explain the principles of the invention.

[0020] Figure 1 This is a three-dimensional structural diagram of the water pollution environmental protection treatment device provided in an embodiment of the present invention; Figure 2 for Figure 1 Another perspective structural diagram; Figure 3 An isometric view of the water pollution environmental protection treatment device provided in an embodiment of the present invention; Figure 4 for Figure 3 A partially enlarged structural diagram; Figure 5 for Figure 3 A magnified structural diagram of part A in the middle; Figure 6 A schematic diagram of the structure of the water pollution environmental protection treatment device for removing the side wall of the purification chamber provided in the embodiment of the present invention; Figure 7 for Figure 6 A magnified structural diagram of part B in the middle section; Figure 8 for Figure 6 A magnified structural diagram of section C.

[0021] In the diagram: 1-Drainage pipe, 2-Bottom support leg, 3-Purification chamber, 4-Gas release hole, 5-First push-pull cylinder, 6-Water inlet pipe, 7-First motor, 8-Reagent tank, 9-Through-flow guide tube, 10-Slag collection bin, 11-Second push-pull cylinder, 12-First angle bracket, 13-Third push-pull cylinder, 14-Second motor, 15-First gear, 16-Bottom transmission cylinder, 17-Second gear, 18-Second angle bracket, 19-Transfer pump, 20-Connecting pivot, 21-Slag scraper ring, 22-Guide support, 23-First stabilizing ring, 24-Second stabilizing ring, 25-Third stabilizing ring 26-Outer cylinder, 27-Middle cylinder, 28-Inner cylinder, 29-Fan blade, 30-Sealing cap, 31-Sealing ring plate, 32-Drain port, 33-Aeration shell, 34-Aeration pipe, 35-Disinfection cylinder, 36-Elastic support rod, 37-Disinfection lamp tube, 38-Outer ring plate, 39-Central support plate, 40-Reagent dosing pipe, 41-Main vortex shaft, 42-Mixing rod, 43-First filter cylinder, 44-Second filter cylinder, 45-Scraper, 46-Spiral blade, 47-Slag collection trough, 48-Elastic scraper, 49-Fourth push-pull cylinder, 50-Slag cleaning plate, 51-Slag discharge pipe. Detailed Implementation

[0022] Embodiments of the present invention are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.

[0023] In the description of this invention, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0024] The following is a detailed description of a water pollution environmental protection treatment device according to an embodiment of the present invention, with reference to the accompanying drawings.

[0025] like Figure 1-8As shown, an embodiment of the present invention provides a water pollution environmental protection treatment device, including a purification chamber 3, the bottom of which is fixed with a bottom support leg 2 for supporting the device; a flow guide tube 9 is fixed in the middle of the top of the purification chamber 3, and a water inlet pipe 6 is connected to the side of the flow guide tube 9; a drain pipe 1 communicating with the bottom of its inner cavity is also installed on the side of the purification chamber 3; and it also includes: The purification chamber 3 is coaxially provided with an inner cylinder 28, a middle cylinder 27, and an outer cylinder 26. A primary filter membrane is fixed to the side wall of the inner cylinder 28, an activated carbon adsorption layer is fixed to the side wall of the middle cylinder 27, and a secondary filter membrane is fixed to the side wall of the outer cylinder 26. The pore size of the primary filter membrane is larger than that of the secondary filter membrane. A central support plate 39 is fixed to the bottom of the inner cylinder 28, the middle cylinder 27, and the outer cylinder 26. The lower side of the central support plate 39 is fixedly connected to the output end of the drive assembly installed at the bottom of the purification chamber 3. The aeration and disinfection assembly includes an outer ring plate 38 connected to the outer side of the central support plate 39, allowing the central support plate 39 to rotate freely relative to the outer ring plate 38. The outer ring of the outer ring plate 38 is fixedly connected to the inner wall of the purification chamber 3. The aeration and disinfection assembly includes an aeration shell 33 fixed to the bottom of the purification chamber 3 and multiple disinfection cylinders 35 circumferentially distributed and fixed on the outer ring plate 38. The inner side of each disinfection cylinder 35 is elastically supported by a disinfection lamp tube 37. The bottom of each disinfection cylinder 35 is provided with a sealing ring plate 31 that can seal it. The bottom of the purification chamber 3 is fixed with a second push-pull cylinder 11 for driving the sealing ring plate 31 to rise and fall. The inner side of the aeration shell 33 is provided with a fan blade 29 that is connected to the drive assembly. The inner cavity of the aeration shell 33 is connected to the inner cavity of the disinfection cylinder 35 through an aeration pipe 34. When the drive assembly is working, the fan blade 29 delivers compressed air to the aeration pipe 34, thereby aerating the inner cavity of the disinfection cylinder 35.

[0026] The water pollution environmental protection treatment device provided in this embodiment of the invention achieves gradient multi-stage purification of sewage by coaxially arranging an inner cylinder 28, a middle cylinder 27, and an outer cylinder 26 within the purification chamber 3, and respectively arranging a primary filter membrane, an activated carbon adsorption layer, and a secondary filter membrane with pore sizes decreasing from large to small on their side walls; the bottoms of the inner cylinder 28, the middle cylinder 27, and the outer cylinder 26 are fixed to a central support plate 39, which is connected to the output end of the drive component and can drive the filter cylinder to rotate as a whole to enhance water flow disturbance and filtration efficiency.

[0027] Meanwhile, the device integrates an aeration and disinfection component: an outer ring plate 38, fixed to the inner wall of the purification chamber 3, is rotatably installed on the outer side of the central support plate 39. Multiple disinfection cylinders 35 are distributed circumferentially on the outer ring plate 38. Each disinfection cylinder 35 is elastically supported with a disinfection lamp tube 37. The bottom is sealed by a sealing ring plate 31, which is controlled to lift and lower via a second push-pull cylinder 11. The aeration shell 33 is fixed to the bottom of the purification chamber 3. The fan blades 29 inside the shell are driven by the same drive component. During operation, compressed air is sent into the inner cavity of the disinfection cylinder 35 through the aeration pipe 34 to achieve synchronous aeration and airflow disturbance, which not only improves the dissolved oxygen level but also enhances the inactivation effect of ultraviolet light on microorganisms in the water.

[0028] In addition, the inlet pipe 6 introduces sewage through the cross-flow conduit 9, and the treated clean water is discharged through the drain pipe 1. The bottom support leg 2 provides stable support.

[0029] With its compact structure and high degree of functional integration, it can complete multiple treatments such as filtration, adsorption, aeration and disinfection with only a single drive source, significantly improving water purification efficiency and reducing energy consumption and maintenance costs.

[0030] like Figure 1-3 As shown, in one optional embodiment, the primary filter membrane is a stainless steel woven mesh with a pore size of 0.12-0.2 mm, and the secondary filter membrane is a polytetrafluoroethylene microporous membrane with a pore size of 0.05-0.1 mm. Both the primary and secondary filter membranes are detachably connected to the corresponding cylinder wall via a snap-fit ​​structure.

[0031] The activated carbon adsorption layer has a honeycomb structure, and several supporting skeletons are embedded inside the activated carbon adsorption layer. The supporting skeletons are fixedly connected to the inner wall of the middle cylinder 27 through a threaded structure. The thickness of the activated carbon adsorption layer is 30-50mm.

[0032] The primary filter membrane possesses excellent mechanical strength and corrosion resistance, effectively intercepting larger particles. The secondary filter membrane exhibits superior chemical stability and hydrophobicity, making it suitable for efficiently filtering fine suspended solids and some microorganisms. The activated carbon adsorption layer is designed with a honeycomb structure to increase the specific surface area, thereby improving adsorption efficiency; its thickness is precisely controlled to ensure effective removal of organic pollutants. Furthermore, multiple supporting skeletons are embedded within the activated carbon adsorption layer and securely mounted to the inner wall of the middle cylinder 27 via a threaded structure, enhancing the overall structural stability.

[0033] The drive assembly includes a bottom transmission cylinder 16 fixed to the center of the bottom of the central support plate 39. The bottom transmission cylinder 16 is also rotatably connected to the bottom of the purification chamber 3. A first gear 15 is fixed at the lower end of the bottom transmission cylinder 16. The first gear 15 is meshed with a second gear 17 fixed at the output end of the second motor 14. The second motor 14 is also fixedly connected to the bottom of the purification chamber 3 through a second bracket 18.

[0034] To improve sealing and rotational stability, a second stabilizing ring 24 is fixed to the top of the middle cylinder 27. The inner ring of the second stabilizing ring 24 is fixedly connected to the outer wall of the inner cylinder 28, and the outer ring of the second stabilizing ring 24 is fixedly connected to the inner wall of the outer cylinder 26. A first stabilizing ring 23, which is rotatably connected to the second stabilizing ring 24, is also fixed to the inner top of the purification chamber 3. A third stabilizing ring 25 is fixed to the inner top of the inner cylinder 28. The inner ring of the third stabilizing ring 25 is rotatably connected to the cross-flow guide tube 9. Through this structural arrangement, the overall rotational stability of the inner cylinder 28, middle cylinder 27, and outer cylinder 26 can be improved. Specifically, a robust connection is formed between the three cylinders, greatly improving the concentricity and stability during rotation. The first stabilizing ring 23 configured at the inner top of the purification chamber 3 rotatably cooperates with the second stabilizing ring 24, further enhancing the overall stability of the cylinder during rotation. The third stabilizing ring 25 installed at the top of the inner cylinder 28 maintains rotational contact with the cross-flow guide tube 9, ensuring that the water flow is introduced while maintaining the dynamic balance of the inner cylinder 28.

[0035] like Figure 1-3 As shown, in one optional embodiment, the disinfection cylinder 35 adopts a cylindrical structure. The inner cavity of the disinfection cylinder 35 is connected to the upper space of the outer ring plate 38 to form an open top flow channel, which facilitates the entry of treated water and its reception of ultraviolet radiation. The disinfection lamp tube 37 is coaxially arranged with the disinfection cylinder 35. The upper and lower ends of the disinfection lamp tube 37 are respectively connected to the inner wall of the disinfection cylinder 35 through multiple elastic support rods 36 arranged circumferentially. This not only achieves stable suspension of the disinfection lamp tube 37, but also absorbs vibration during operation and improves the reliability of the equipment.

[0036] One end of the aeration pipe 34 is connected to the upper part of the inner cavity of the aeration shell 33, and the other end of the aeration pipe 34 is connected to the sealing ring plate 31. When the sealing ring plate 31 abuts against the lower end of the disinfection cylinder 35, the aeration pipe 34 is connected to the bottom of the inner cavity of the disinfection cylinder 35.

[0037] To ensure a smooth and reliable sealing operation, multiple second push-pull cylinders 11 are evenly distributed around the circumference, synchronously driving the sealing ring plate 31 to rise and fall. When the sealing ring plate 31 rises and tightly abuts against the lower end of the disinfection cylinder 35, it completes the sealing of the bottom of the disinfection chamber, and simultaneously connects the aeration pipe 34 to the bottom of the inner cavity of the disinfection cylinder 35 via the sealing ring plate 31. In particular, a one-way valve (not shown) is provided at the connection between the aeration pipe 34 and the sealing ring plate 31 to effectively prevent treated water from backflowing into the aeration pipe 34, ensuring the cleanliness of the air path and the safety of the system.

[0038] The aeration shell 33 is fixed to the bottom of the purification chamber 3. Its top inner ring is sealed and rotated with the bottom transmission cylinder 16. The fan blade 29 is fixed on the bottom transmission cylinder 16 and located inside the aeration shell 33. The fan blade 29 is conventionally arranged so as to be able to drive the gas flow. When the second motor 14 drives the second gear 17 to drive the first gear 15 to rotate, the fan blade 29 rotates synchronously, compressing the air drawn in through the air inlet (not shown) at the bottom of the purification chamber 3 and pushing it to the aeration pipe 34, and finally guiding it into the bottom of the disinfection cylinder 35 to form a microbubble flow from bottom to top. This not only enhances the water disturbance to improve the uniformity of ultraviolet irradiation, but also achieves auxiliary aeration and oxygen supply, and strengthens the overall purification effect.

[0039] In addition, the upper part of the side wall of the purification chamber 3 is provided with a gas release hole 4, which is used to promptly discharge excess gas (such as air or trace amounts of gas produced by the reaction) accumulated inside the device, maintain the pressure balance inside the chamber, and avoid air resistance affecting water circulation and treatment efficiency.

[0040] like Figure 1 , 3 As shown in Figures 5-7, in one embodiment, a slag-scraping and cleaning assembly is further included. This assembly includes a circumferentially distributed guide bracket 22, on which a slag-scraping ring 21 is slidably mounted. A connecting pivot 20 is fixed to the outer side of the slag-scraping ring 21. A first push-pull cylinder 5 is fixed to the top of the purification chamber 3. The telescopic spindle end of the first push-pull cylinder 5 is fixedly connected to the connecting pivot 20. The movement of the first push-pull cylinder 5 allows the slag-scraping ring 21 to move up and down, thereby completing the slag-scraping operation at different heights. A fourth push-pull cylinder 49 is horizontally fixed to the circumferentially distributed slag-scraping ring 21. An elastic scraper 48, capable of adhering to the side wall of the outer cylinder 26, is fixed to the telescopic spindle end of the fourth push-pull cylinder 49. The elastic scraper 48 can adjust its pressure under the action of the fourth push-pull cylinder 49 to adapt to surfaces of different roughness, ensuring effective scraping. A slag collection trough 47 is fixed to the lower side of the slag scraper ring 21. The slag collection trough 47 is connected to the slag collection bin 10 fixed on the outer wall of the purification chamber 3 via a slag discharge pipe 51. A slag cleaning plate 50 that fits into the inner cavity of the slag collection trough 47 is also fixed to the top outer side of the outer cylinder 26. When a slag cleaning operation is required, the elastic scraper 48 is first retracted by the fourth push-pull cylinder 49, and then the slag scraper ring 21 is raised to a specific position by the first push-pull cylinder 5, so that the slag cleaning plate 50 enters the inner cavity of the slag collection trough 47. As the outer cylinder 26 rotates, the slag cleaning plate 50 pushes out the impurities in the slag collection trough 47, which are finally discharged into the slag collection bin 10 through the slag discharge pipe 51.

[0041] Preferably, the guide bracket 22 adopts an inverted L-shaped structure. The upper end of the vertical part of the guide bracket 22 is fixedly connected to the inner top of the purification chamber 3, and the outer end of the horizontal part of the guide bracket 22 is fixedly connected to the inner sidewall of the purification chamber 3, thereby improving the stability of the scraper ring 21 during lifting and lowering. This structure not only provides stable support but also ensures that the scraper ring 21 maintains a stable and accurate position during lifting and lowering.

[0042] Preferably, the inner cavity of the slag collection tank 47 and the structure of the slag cleaning plate 50 are adapted to collect the impurities scraped off by the elastic scraper 48 and to clean the slag.

[0043] like Figure 1-4 As shown in one embodiment, the water pollution environmental protection treatment device provided by the present invention further integrates a pre-filtration and reagent dosing component. This component cleverly combines a two-stage inverted cone-shaped filter structure, reagent mixing, self-cleaning sludge scraping, and controllable sludge discharge functions, significantly improving pretreatment efficiency and system automation level. The specific structure is as follows: The pre-filtration and reagent dosing assembly includes a first filter cartridge 43 and a second filter cartridge 44 coaxially disposed inside the inner cylinder 28. The first filter cartridge 43 and the second filter cartridge 44 adopt a matching inverted conical structure. The lower end of the first filter cartridge 43 is connected to the upper end of the second filter cartridge 44, and the pore size of the second filter cartridge 44 is smaller than that of the first filter cartridge 43. The upper end of the first filter cartridge 43 is rotatably connected to the lower end of the through-flow guide tube 9, and the lower end of the second filter cartridge 44 is fixedly connected to the central support plate 39. The first filter cartridge 43 is located at the top and has a larger pore size to intercept large suspended solids; the second filter cartridge 44 is located at the bottom and has a smaller pore size to achieve fine filtration and cooperates with the spiral blades 46 to compress impurities. Its upper end is tightly fitted with the lower end of the first filter cartridge 43 to form a continuous gradient filtration channel.

[0044] The inner sides of the first filter cylinder 43 and the second filter cylinder 44 are coaxially provided with a main swivel shaft 41. The upper end of the flow guide tube 9 is fixed with a first motor 7 that is connected to the main swivel shaft 41 for transmission. The lower end of the main swivel shaft 41 is rotatably connected to the central support plate 39. The inner side of the flow guide tube 9 is fixed with a plurality of mixing rods 42 on the main swivel shaft 41. The inner side of the first filter cylinder 43 is fixed with a plurality of scrapers 45 that abut against its inner wall on the main swivel shaft 41. The inner side of the second filter cylinder 44 is fixed with a spiral blade 46 that cooperates with its inner wall on the main swivel shaft 41. In the inner cavity of the cross-flow conduit 9, several mixing rods 42 are fixed to efficiently agitate and mix the incoming raw water and chemicals; in the inner cavity of the first filter cylinder 43, multiple scrapers 45 that abut against the inner wall are installed, which can remove impurities attached to the filter screen surface in real time when rotating with the shaft to prevent clogging; in the inner cavity of the second filter cylinder 44, spiral blades 46 that cooperate with its inner wall are provided, which generate a downward pushing force while filtering, guiding the trapped fine residue to the bottom discharge port 32.

[0045] A reagent tank 8 is fixed to the top of the purification chamber 3. A delivery pump 19 is installed at the bottom of the reagent tank 8. The outlet of the delivery pump 19 is connected to the upper part of the inner cavity of the cross-flow conduit 9 through a reagent dosing pipe 40. After being pressurized by the delivery pump 19, the liquid reagent is injected into the upper part of the cross-flow conduit 9 through the reagent dosing pipe 40, where it reacts fully with the incoming water under the action of the mixing rod 42 to achieve pretreatment objectives such as flocculation, oxidation, or pH adjustment.

[0046] To facilitate the periodic discharge of filter cake, the central support plate 39 is provided with a vent 32 that communicates with the inner cavity of the second filter cartridge 44. A sealing cap 30, capable of blocking the vent 32, is located on the lower side of the central support plate 39. A third push-pull cylinder 13 is fixed to the bottom of the purification chamber 3 via a first corner bracket 12. The third push-pull cylinder 13 is coaxially arranged with the bottom transmission cylinder 16, and the end of the telescopic spindle of the third push-pull cylinder 13 is rotatably connected to the sealing cap 30. When sludge discharge is required, the third push-pull cylinder 13 retracts, causing the sealing cap 30 to move downwards, opening the vent 32. The filter cake is then discharged to the next treatment area under the force of gravity and the pushing action of the spiral blades 46. After sludge discharge is completed, the sealing cap 30 resets, restoring the sealing state and ensuring normal filtration operation.

[0047] In a preferred embodiment, the first filter cartridge 43 adopts an inverted conical structure with a cone angle of 15° and a pore size of 0.15–0.25 mm, used to intercept coarse suspended matter (such as fibers and gravel) with a particle size >0.15 mm; the second filter cartridge 44 adopts an inverted conical structure with a cone angle of 20° and a pore size of 0.08–0.15 mm (matching the particle size of fine suspended matter and microorganisms), and its upper end and the lower end of the first filter cartridge 43 adopt a gradually changing mating surface to form a continuous gradient filtration channel, eliminating the impurity accumulation caused by the sudden change in water flow in traditional straight-tube filtration (the measured filter screen clogging rate decreased from 40% to 5%). The inverted conical design causes the water flow velocity to increase gradually from top to bottom, using centrifugal force to push impurities towards the cartridge wall, and achieving self-cleaning in conjunction with the rotating scraper.

[0048] In other embodiments, the second motor 14 is preferably a variable frequency speed control motor, which can automatically adjust the rotation speed of the filter cylinder according to the turbidity of the influent, and operate in energy-saving mode under low load.

[0049] The support frame is preferably a corrosion-resistant plastic or stainless steel mesh frame, which not only provides support, but its mesh structure also helps water flow evenly through the activated carbon layer and avoids short circuits.

[0050] The blade angle of the fan blade 29 is adjustable to adapt to the aeration requirements under different water depths and treatment capacities. An air filter can be installed at the air inlet to prevent dust from entering the system.

[0051] The first push-pull cylinder (5), the second push-pull cylinder (11), the third push-pull cylinder (13), the fourth push-pull cylinder (49), the first motor (7), the second motor (14) and the conveying pump (19) are all electrically connected to a central controller (not shown), which can realize fully automatic program control operation, timed slag discharge, fault alarm and other functions.

[0052] The control, model, and circuit connection of each component are not specifically limited, and can be flexibly configured in practical applications. All circuits, electronic components, and modules involved are existing technologies, which can be fully implemented by those skilled in the art, and need not be elaborated upon. Furthermore, the scope of protection of this invention does not involve improvements to the software and methods.

[0053] The above embodiments of the present invention provide a water pollution environmental protection treatment device. During operation, sewage enters the cross-flow guide tube 9 through the inlet pipe 6 and flows into the pre-filtration and reagent dosing component inside the inner cylinder 28: the first filter cartridge 43 and the second filter cartridge 44 form an inverted conical gradient filtration structure. The main vortex shaft 41 is driven to rotate by the first motor 7, which drives the mixing rod 42 to achieve full mixing of reagents and sewage. The scraper 45 removes impurities from the filter surface of the first filter cartridge 43 in real time. The spiral blades 46 push the fine slag trapped in the second filter cartridge 44 to the discharge port 32. When discharging slag, the third push-pull cylinder 13 drives the sealing cap 30 to move down and open the discharge port 32 to complete the slag discharge.

[0054] The pretreated water flows sequentially through a primary filter membrane with pores decreasing in size, an activated carbon adsorption layer, and a secondary filter membrane, which are respectively located on the side walls of the inner cylinder 28, middle cylinder 27, and outer cylinder 26, achieving multi-stage purification. The inner cylinder 28, middle cylinder 27, and outer cylinder 26 are driven to rotate as a whole by a second motor 14 via a central support plate 39, through a second gear 17, a first gear 15, and a bottom transmission cylinder 16, enhancing filtration efficiency. At the same time, the fan blades 29 rotate with the bottom transmission cylinder 16, sending air through the aeration shell 33 and aeration pipe 34 into the bottom of the disinfection cylinder 35. The chamber forms a microbubble flow, which, in conjunction with the disinfection lamp tube 37 suspended by the elastic support rod 36, performs ultraviolet disinfection. The sealing ring plate 31 is controlled by the circumferentially distributed second push-pull cylinder 11 to seal or open the disinfection chamber. In the slag cleaning assembly, the first push-pull cylinder 5 drives the slag scraping ring 21 to rise and fall, and the fourth push-pull cylinder 49 pushes the elastic scraper 48 to adhere to the side wall of the outer cylinder 26 to scrape slag. Impurities fall into the slag collection trough 47, and after being lifted, they are pushed by the slag cleaning plate 50 that rotates with the outer cylinder 26 and discharged into the slag collection bin 10 through the slag discharge pipe 51. After purification, the clean water is discharged from the drain pipe 1. In addition, the vent hole 4 maintains the pressure balance inside the chamber, the bottom support leg 2 provides support for the whole machine, and the first stabilizing ring 23, the second stabilizing ring 24 and the third stabilizing ring 25 work together to ensure the rotational stability of the three-layer cylinder.

[0055] In summary, this invention achieves efficient, low-consumption, and maintenance-free integrated water pollution treatment through a single drive source by integrating multi-stage gradient filtration, rotary self-cleaning, synergistic mixing of chemicals, aeration-enhanced ultraviolet disinfection, and automatic sludge scraping and discharge.

[0056] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0057] In the description of this specification, references to terms such as "embodiment," "example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the invention. In this specification, illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0058] Although embodiments of the invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A water pollution environmental protection treatment device, comprising a purification chamber (3), wherein a cross-flow conduit (9) is fixed to the top of the purification chamber (3), an inlet pipe (6) is connected to the side of the cross-flow conduit (9), and a drain pipe (1) communicating with the bottom of the inner cavity is installed on the side of the purification chamber (3), characterized in that, Also includes: The purification chamber (3) is coaxially provided with an inner cylinder (28), a middle cylinder (27), and an outer cylinder (26). The inner cylinder (28) has a primary filter membrane fixed on its side wall, the middle cylinder (27) has an activated carbon adsorption layer fixed on its side wall, and the outer cylinder (26) has a secondary filter membrane fixed on its side wall. The pore size of the primary filter membrane is larger than that of the secondary filter membrane. A central support plate (39) is fixed at the bottom of the inner cylinder (28), the middle cylinder (27), and the outer cylinder (26). The lower side of the central support plate (39) is fixedly connected to the output end of the drive assembly installed at the bottom of the purification chamber (3). The aeration and disinfection assembly includes an outer ring plate (38) connected to the outer side of the central support plate (39), and the outer ring plate (38) is fixedly connected to the inner wall of the purification chamber (3). The aeration and disinfection assembly includes an aeration shell (33) fixed to the bottom of the purification chamber (3) and multiple disinfection cylinders (35) circumferentially distributed and fixed on the outer ring plate (38). The disinfection cylinder (35) is elastically supported by a disinfection lamp tube (37) on its inner side. The bottom of the disinfection cylinder (35) is provided with a sealing ring plate (31) that can block it. The bottom of the purification chamber (3) is fixed with a second push-pull cylinder (11) for driving the sealing ring plate (31) to rise and fall. The aeration shell (33) is provided with a fan blade (29) that is connected to the drive assembly on its inner side, and the inner cavity of the aeration shell (33) is connected to the inner cavity of the disinfection cylinder (35) through an aeration pipe (34).

2. The water pollution environmental protection treatment device according to claim 1, characterized in that, The primary filter membrane is a stainless steel woven mesh with a pore size of 0.12-0.2 mm, and the secondary filter membrane is a polytetrafluoroethylene microporous membrane with a pore size of 0.05-0.1 mm. Both the primary and secondary filter membranes can be detachably connected to the corresponding cylinder wall. The activated carbon adsorption layer has a honeycomb structure with several supporting skeletons embedded inside. The supporting skeletons are detachably connected to the inner wall of the middle cylinder (27). The thickness of the activated carbon adsorption layer is 30-50mm.

3. The water pollution environmental protection treatment device according to claim 1, characterized in that, The drive assembly includes a bottom transmission cylinder (16) fixed to the middle of the bottom of the central support plate (39). The bottom transmission cylinder (16) is rotatably connected to the bottom of the purification chamber (3). A first gear (15) is fixed at the lower end of the bottom transmission cylinder (16). The first gear (15) meshes with the second gear (17) fixed at the output end of the second motor (14), and the second motor (14) is fixedly connected to the bottom of the purification chamber (3) through the second bracket (18).

4. The water pollution environmental protection treatment device according to claim 3, characterized in that, The top of the middle cylinder (27) is fixed with a second stabilizing ring (24), the inner ring of the second stabilizing ring (24) is fixedly connected to the outer wall of the inner cylinder (28), and the outer ring is fixedly connected to the inner wall of the outer cylinder (26); The top of the purification chamber (3) is fixed with a first stabilizing ring (23) that is rotatably connected to the second stabilizing ring (24); The inner top of the inner cylinder (28) is fixed with a third stabilizing ring (25), and the inner ring of the third stabilizing ring (25) is rotatably connected to the flow guide tube (9).

5. The water pollution environmental protection treatment device according to claim 3, characterized in that, The disinfection cylinder (35) has a cylindrical structure, and its inner cavity is connected to the upper space of the outer ring plate (38); The disinfection lamp tube (37) is coaxially arranged with the disinfection cylinder (35), and the upper and lower ends of the disinfection lamp tube (37) are respectively connected to the inner wall of the disinfection cylinder (35) through multiple circumferentially distributed elastic support rods (36); One end of the aeration pipe (34) is connected to the upper part of the inner cavity of the aeration shell (33), and the other end is connected to the sealing ring plate (31). When the sealing ring plate (31) abuts against the lower end of the disinfection cylinder (35), the aeration pipe (34) is connected to the bottom of the inner cavity of the disinfection cylinder (35). A one-way valve is provided at the connection between the aeration pipe (34) and the sealing ring plate (31).

6. The water pollution environmental protection treatment device according to claim 5, characterized in that, The inner ring at the top of the aeration shell (33) is sealed and rotatably connected to the bottom transmission cylinder (16), and the fan blade (29) is fixed on the bottom transmission cylinder (16) and located inside the aeration shell (33). The bottom of the purification chamber (3) is provided with an air inlet that communicates with the inner cavity of the aeration shell (33).

7. The water pollution environmental protection treatment device according to any one of claims 1-6, characterized in that, It also includes a slag-scraping and cleaning component, which includes a guide bracket (22) arranged circumferentially, a slag-scraping ring (21) slidably provided on the guide bracket (22), and a connecting pivot (20) fixed on the outside of the slag-scraping ring (21). The top of the purification chamber (3) is fixed with a first push-pull cylinder (5), and the end of the telescopic spindle of the first push-pull cylinder (5) is fixedly connected to the connecting pivot (20); The scraper ring (21) is circumferentially distributed with a fourth push-pull cylinder (49) fixed horizontally. The end of the telescopic spindle of the fourth push-pull cylinder (49) is fixed with an elastic scraper (48) that can fit against the side wall of the outer cylinder (26). The slag scraping ring (21) has a slag collection trough (47) fixed on its lower side. The slag collection trough (47) is connected to the slag collection bin (10) fixed on the outer wall of the purification chamber (3) through the slag discharge pipe (51). The outer cylinder (26) has a cleaning plate (50) fixed on its outer top, which is compatible with the inner cavity of the slag collection trough (47).

8. The water pollution environmental protection treatment device according to claim 7, characterized in that, The guide bracket (22) adopts an inverted L-shaped structure. Its vertical part is fixedly connected to the top of the purification chamber (3), and its horizontal part is fixedly connected to the inner wall of the purification chamber (3).

9. The water pollution environmental protection treatment device according to any one of claims 1-6, characterized in that, It also includes a pre-filtration and reagent dosing assembly, which includes a first filter cartridge (43) and a second filter cartridge (44) coaxially disposed inside the inner cylinder (28). The first filter cartridge (43) and the second filter cartridge (44) are inverted conical structures that cooperate with each other. The lower end of the first filter cartridge (43) is connected to the upper end of the second filter cartridge (44), and the aperture of the second filter cartridge (44) is smaller than the aperture of the first filter cartridge (43). The upper end of the first filter cartridge (43) is rotatably connected to the lower end of the cross-flow guide tube (9), and the lower end of the second filter cartridge (44) is fixedly connected to the central support plate (39); The first filter cartridge (43) and the second filter cartridge (44) are coaxially provided with a main swivel shaft (41). The upper end of the flow guide tube (9) is fixed with a first motor (7) that is connected to the main swivel shaft (41) for transmission. The lower end of the main swivel shaft (41) is rotatably connected to the central support plate (39). The inner side of the cross-flow conduit (9) is fixed with several mixing rods (42) on the main vortex shaft (41), the inner side of the first filter cylinder (43) is fixed with several scrapers (45) that abut against its inner wall on the main vortex shaft (41), and the inner side of the second filter cylinder (44) is fixed with a spiral blade (46) that cooperates with its inner wall on the main vortex shaft (41). The top of the purification chamber (3) is fixed with a medicine tank (8), and the bottom of the medicine tank (8) is provided with a delivery pump (19). The outlet of the delivery pump (19) is connected to the upper part of the inner cavity of the cross-flow conduit (9) through the medicine dosing pipe (40). The central support plate (39) is provided with a vent (32) that communicates with the inner cavity of the second filter cartridge (44), and a sealing cap (30) that can block the vent (32) is provided on the lower side of the central support plate (39). The bottom of the purification chamber (3) is fixed with a third push-pull cylinder (13) via a first corner bracket (12), and the end of the telescopic spindle of the third push-pull cylinder (13) is rotatably connected to the sealing cap (30).

10. The water pollution environmental protection treatment device according to claim 9, characterized in that, The first filter cartridge (43) has a cone angle of 15° and a pore size of 0.15–0.25 mm; The second filter cartridge (44) has a cone angle of 20° and an aperture of 0.08–0.15 mm; The mating ends of the first filter cartridge (43) and the second filter cartridge (44) are gradually changing mating surfaces.

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