Equipment for comprehensively treating wastewater based on advanced oxidation method

Abstract

The invention relates to the technical field of wastewater treatment, in particular to equipment for comprehensively treating wastewater based on an advanced oxidation process, which comprises a base, a frame body arranged on the base in a sliding manner, a treatment barrel rotationally and hermetically arranged in the frame body through a first mounting ring, and an electric cylinder arranged on the base and provided with an output end fixedly connected with the frame body, the air bag is transversely arranged between the frame body and the base, the water inlet valve pipe is arranged at one end of the treatment barrel, and the water outlet valve pipe is rotationally and hermetically arranged at the other end of the treatment barrel through a second mounting ring; according to the device, through reciprocating sliding of an electric air cylinder, a rack is used for driving a transmission assembly, then a treatment barrel is driven to rotate forwards and backwards in a frame body through thread engagement, and full stirring of wastewater is achieved through movement in the transverse direction and the axial direction; the air bag is driven to stretch out and draw back through relative movement of the frame body and the base to aerate wastewater, and the quality of wastewater treatment is improved through multiple times of filtration of the filler ring plate.

Description

Technical Field

[0001] The invention relates to the technical field of wastewater treatment, and in particular to a device for comprehensive wastewater treatment based on an advanced oxidation process. Background Art

[0002] With the continuous acceleration of industrialization and urbanization, the discharge of wastewater is increasing. These wastewaters contain a variety of pollutants, such as organic matter, heavy metal ions, nitrogen and phosphorus nutrients, etc. If they are directly discharged into the environment without effective treatment, they will cause serious damage to water bodies, soil and ecosystems, threatening human health, the survival of aquatic organisms and the sustainable use of water resources.

[0003] Advanced oxidation process is an emerging wastewater treatment technology. Its main principle is to oxidize and decompose pollutants in wastewater by generating highly oxidizing free radicals such as OH free radicals. OH free radicals have extremely high oxidation potential and can react rapidly with most organic matter in wastewater without selectivity, ultimately degrading them into carbon dioxide, water and harmless inorganic ions.

[0004] The existing Fenton oxidation method requires a large amount of chemical agents, such as ferrous sulfate and hydrogen peroxide, and will produce a large amount of iron sludge, which makes subsequent treatment difficult; the photocatalytic oxidation method has a low light energy utilization rate and a slow reaction rate; the solubility of ozone in water is limited, and the treatment effect is not ideal when used. Therefore, the existing advanced oxidation method wastewater treatment equipment needs to be improved. Summary of the invention

[0005] In order to solve the above technical problems, the present invention provides a device for comprehensive wastewater treatment based on advanced oxidation method.

[0006] The technical solution of the present invention is: a device for comprehensive treatment of wastewater based on advanced oxidation method, comprising a base, a frame body slidably arranged on the base, a treatment barrel arranged in the frame body through a first mounting ring rotation seal, an electric cylinder arranged on the base and having an output end fixedly connected to the frame body, an air bag transversely arranged between the frame body and the base, a water inlet valve pipe arranged at one end of the treatment barrel, and a water outlet valve pipe rotationally sealed at the other end of the treatment barrel through a second mounting ring;

[0007] The first mounting ring and the second mounting ring are both fixedly connected to the frame, a plurality of air inlet holes are arranged on the wall of the treatment barrel at the connection of the first mounting ring, and a plurality of water outlet holes are arranged on the wall of the treatment barrel at the connection of the second mounting ring. The first mounting ring and the second mounting ring respectively have cavities connected with the air inlet holes and the water outlet holes, and a one-way valve is arranged on the air inlet hole. The airbag passes through the frame and is connected with the cavity of the first mounting ring through the air outlet end, and a one-way valve is arranged on the air inlet end of the airbag;

[0008] The cavity in the second mounting ring is connected to the water outlet valve pipe; a transmission assembly is rotatably arranged on the frame, which is composed of a coaxial worm and a gear arranged up and down, and a rack meshing with the gear is arranged on the base located on one side of the gear through a mounting plate, and a thread capable of worm gear transmission with the worm is arranged on the surface of the treatment barrel;

[0009] The water inlet valve pipe and the water outlet valve pipe are connected via a pipe body and a circulation pump; a plurality of packing ring plates are arranged at intervals inside the treatment barrel along its length direction.

[0010] Note: Different packing ring plates can filter impurities of different particle sizes or properties, improving the filtering effect. The setting of the circulation pump allows the wastewater to be circulated in the treatment tank, ensuring that the wastewater can be fully filtered through the packing ring plate multiple times, further improving the quality of wastewater treatment.

[0011] Furthermore, the end faces on both sides of the packing ring plate have a plurality of water holes, and the diameters of the water holes of each packing ring plate decrease in sequence from the water inlet valve pipe to the water outlet valve pipe of the treatment barrel, and each water hole is provided with a check valve.

[0012] Note: Setting a check valve on the packing ring plate helps to maintain the wastewater filtering in a specific order between the packing ring plates. In normal operation, the wastewater can only be filtered through each packing ring plate in the direction from the inlet valve pipe to the outlet valve pipe. The check valve ensures that this filtering order will not be disrupted, so that each packing ring plate can play its due filtering role and effectively filter impurities of specific particle size or nature; the design of decreasing aperture can ensure more refined filtration of wastewater. The packing ring plate with a larger aperture undertakes most of the coarse filtration tasks in the front, reducing the burden of the small-aperture packing ring plate at the back, and reducing the blockage and damage of the over-fine packing ring plate by large impurities.

[0013] Furthermore, the packing ring plate is evenly filled with activated carbon and photocatalyst; the longitudinal section of the treatment barrel is a ring structure, the frame is provided with an ultraviolet lamp column that can be embedded in the center of the ring structure, and light-transmitting layers are respectively provided on the packing ring plate and on the inner wall of the treatment barrel, and the outer inner wall of the treatment barrel is a mirror layer.

[0014] Description: Activated carbon has a strong adsorption capacity and can adsorb organic pollutants, odorous substances, etc. in wastewater. The photocatalyst can produce strong oxidizing free radicals, such as hydroxyl free radicals, under the irradiation of ultraviolet rays, thereby degrading organic matter in the wastewater; the longitudinal section of the treatment barrel is a ring structure, and the ultraviolet lamp column on the frame is embedded in the center of the ring structure. This layout allows ultraviolet rays to fully irradiate the wastewater and photocatalyst in the treatment barrel, avoiding damage to the ultraviolet lamp caused by water flow impact in the treatment barrel; the light-transmitting layer on the inner wall of the treatment barrel helps ultraviolet rays penetrate into the barrel to ensure that the photocatalyst can be effectively excited, while the mirror layer on the outer inner wall can reflect ultraviolet rays, reduce the loss of ultraviolet rays, enhance light reflection, and improve the utilization rate of ultraviolet rays, thereby enhancing the treatment effect on wastewater, and through the synergistic effect of multiple mechanisms, more efficiently purify wastewater.

[0015] Furthermore, the light-transmitting layer is made of polycarbonate, and the mirror layer is made of mirror-polished stainless steel.

[0016] Description: The light-transmitting layer of polycarbonate material has good light transmittance, which can allow ultraviolet rays and other light to pass through efficiently, ensuring that the photocatalyst in the treatment barrel can be fully excited, so as to effectively carry out photocatalytic reaction to treat wastewater; at the same time, polycarbonate also has high strength and stability, and can maintain structural integrity in the complex environment of wastewater treatment; and the mirror-polished stainless steel material as the mirror layer has good reflective properties, which can effectively reflect ultraviolet rays, reduce the loss of ultraviolet rays, improve the utilization rate of ultraviolet rays in the treatment barrel, and enhance the effect of photocatalytic reaction; in addition, stainless steel material has the characteristics of corrosion resistance, which can adapt to the chemical substances in the wastewater treatment environment, ensure the long-term stability of the reflective function of the mirror layer, and help the entire wastewater treatment equipment to operate continuously and efficiently.

[0017] Furthermore, a plurality of aeration tubes are arranged inside the treatment barrel, each of the aeration tubes is connected to each air inlet hole one by one, the aeration tubes extend along the length direction of the treatment barrel and penetrate each packing ring plate, a plurality of aeration holes are evenly arranged on the surface of the aeration tubes, and the aeration tubes are sealed and connected to the packing ring plates.

[0018] Description: The aeration tube can inject air into the wastewater in the treatment barrel to increase the dissolved oxygen content in the water. In the advanced oxidation process, sufficient dissolved oxygen helps to promote the oxidation reaction, especially for some difficult-to-degrade organic pollutants. The oxidation reaction can convert them into substances that are easier to treat, thereby improving the effect of wastewater treatment; the aeration holes on the surface of the aeration tube are evenly distributed, so that the air can form uniform bubbles in the wastewater. These bubbles will stir the wastewater during the rising process, so that the wastewater is fully mixed with the catalyst, oxidant, etc. in the treatment barrel; a good mixing effect can increase the contact opportunities between the reactants, accelerate the reaction rate, and ensure the uniformity and efficiency of wastewater treatment.

[0019] Furthermore, the aeration tube is rotatably sealed and connected to each packing ring plate, a toothed disk is provided on the aeration tube corresponding to the position of the first mounting ring, and an air guide cavity is rotatably sealed and provided on the aeration tubes on both sides of the toothed disk, the air guide cavity is connected to the air inlet, and the air guide cavity is connected to the inside of the aeration tube, a plurality of stirring paddles are provided on the aeration tube, a strip groove through which the outside of the toothed disk can pass is provided on the side wall of the treatment barrel, and a toothed ring that can mesh with the toothed disk is provided inside the first mounting ring.

[0020] Description: The toothed discs rotatably arranged between the multiple groups of air guide chambers and the stirring paddles on both sides thereof can stir the wastewater in the treatment barrel, so that the wastewater and the various treatment materials in the treatment barrel are fully mixed, thereby improving the reaction efficiency; the design in which the air guide chamber, the inner wall of the treatment barrel and the ventilation pipe in the stirring paddle are connected can utilize the gas introduced from the air inlet, and the gas is discharged through the ventilation pipe, and aeration is performed while stirring, further increasing the dissolved oxygen content of the wastewater, which is conducive to the oxidation reaction; the toothed disc is meshed with the toothed ring inside the first mounting ring, so that during the rotation of the treatment barrel, the toothed disc can rotate accordingly, driving the stirring paddle to continuously stir. This collaborative design can ensure continuous mixing and aeration during the wastewater treatment process under various motion states, thereby improving the treatment effect of the entire wastewater treatment equipment.

[0021] Furthermore, a plurality of water grooves are provided on the surface of the toothed disc.

[0022] Note: The water groove can prevent the toothed disc from being damaged by the impact of water flow and reduce the pressure caused by the water flow. The water groove of the rotating toothed disc can also play a role in disturbing the flow.

[0023] Furthermore, the outlet valve pipe and the surface of the treatment barrel are both provided with valves for cleaning and maintenance; the outer wall of the treatment barrel at the corresponding positions of the first mounting ring and the second mounting ring are respectively provided with annular grooves, and the inner surfaces of the first mounting ring and the second mounting ring are respectively provided with convex strips that are sealingly and slidingly engaged with the annular grooves.

[0024] Note: The valve can be used to clean the impurities inside the water outlet valve pipe and the treatment barrel in time after a period of use, and can also be used to promptly inspect and repair components such as the packing ring plate, so as to facilitate the timely replenishment and replacement of the filled activated carbon and photocatalyst.

[0025] Compared with the prior art, the present invention has the following beneficial effects:

[0026] The device of the present invention drives the frame to slide back and forth on the base through an electric cylinder, drives the transmission component through a rack, and then drives the treatment barrel to rotate forward and reverse in the frame through threaded engagement, and realizes efficient stirring of wastewater from the movement in both lateral and axial directions, so that the pollutants in the wastewater can fully react with the catalyst, and the wastewater can be repeatedly filtered through a plurality of packing ring plates between the water inlet valve pipe and the water outlet valve pipe to enhance the purification effect; the airbag is stretched and squeezed through the relative movement of the frame and the base, and the gas in the airbag is transported into the treatment barrel for aeration through a pipeline, thereby promoting the reaction and flocculation of pollutants and improving the purification efficiency of wastewater. The setting of the circulation pump enables the wastewater to be circulated and treated in the treatment barrel, ensuring that the wastewater can be fully filtered multiple times through the packing ring plate, further improving the quality of wastewater treatment. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 is a schematic diagram of the overall structure of Embodiment 1 of the present invention;

[0028] Figure 2 is a schematic diagram of the overall structure of Embodiment 1 of the present invention;

[0029] Figure 3 is a schematic structural diagram of a transmission assembly according to Embodiment 1 of the present invention;

[0030] Figure 4 This is a schematic diagram of the structure of the water outlet valve pipe of Example 1 of the present invention;

[0031] Figure 5 is a transverse cross-sectional view of a treatment barrel of Example 1 of the present invention;

[0032] Figure 6 is a transverse cross-sectional view of a treatment barrel of Example 2 of the present invention;

[0033] Figure 7 is a partial enlarged view of the toothed disc of Example 3 of the present invention;

[0034] Among them, 1-base, 2-frame, 21-transmission assembly, 22-ultraviolet lamp column, 3-first mounting ring, 31-tooth ring, 4-treatment barrel, 41-filling ring plate, 42-aeration pipe, 43-air guide cavity, 44-tooth disk, 441-water trough, 45-stirring paddle, 5-electric cylinder, 6-air bag, 7-water inlet valve pipe, 8-second mounting ring, 9-water outlet valve pipe. DETAILED DESCRIPTION

[0035] The present invention is further described in detail below in conjunction with specific implementation methods to better reflect the advantages of the present invention.

[0036] Example 1: Figures 1 to 4The device for comprehensive treatment of wastewater based on advanced oxidation method shown in the figure comprises a base 1, a frame 2 slidably arranged on the base 1, a treatment barrel 4 arranged in the frame 2 through a first mounting ring 3, an electric cylinder 5 arranged on the base 1 and having an output end fixedly connected to the frame 2, two air bags 6 arranged transversely between the frame 2 and the base 1, a water inlet valve pipe 7 arranged at one end of the treatment barrel 4, and a water outlet valve pipe 9 rotatably sealed and arranged at the other end of the treatment barrel 4 through a second mounting ring 8; annular grooves are respectively arranged on the outer wall of the treatment barrel 4 at the corresponding positions of the first mounting ring 3 and the second mounting ring 8, and convex strips are respectively arranged on the inner surfaces of the first mounting ring 3 and the second mounting ring 8 for sealing and sliding engagement with the annular grooves;

[0037] The frame 2 is provided with a slider at the bottom, and the base 1 is provided with a guide rail that is slidably engaged with the slider;

[0038] The first mounting ring 3 and the second mounting ring 8 are both fixedly connected to the frame 2. A plurality of air inlet holes are arranged on the wall of the treatment barrel 4 at the connection of the first mounting ring 3. A plurality of water outlet holes are arranged on the wall of the treatment barrel 4 at the connection of the second mounting ring 8. The first mounting ring 3 and the second mounting ring 8 have cavities connected to the air inlet holes and the water outlet holes respectively. A one-way valve is arranged on the air inlet hole. The airbag 6 passes through the frame 2 and is connected to the cavity of the first mounting ring 3 through the air outlet end. A one-way valve is arranged on the air inlet end of the airbag 6. The cavity in the second mounting ring 8 is connected to the water outlet valve pipe 9.

[0039] like Figure 2 , 3 As shown, the frame 2 is rotatably provided with a transmission assembly 21 which is composed of a coaxial worm and a gear arranged up and down, and the base 1 located on one side of the gear is provided with a rack 11 meshing with the gear through a mounting plate, and the surface of the treatment barrel 4 is provided with a thread which can perform worm gear transmission with the worm;

[0040] like Figure 2 As shown, there are three transmission assemblies 21, and the three transmission assemblies 21 avoid the positions of the first mounting ring 3 and the second mounting ring 8, and are arranged in sequence along the length direction of the treatment barrel 4; the water inlet valve pipe 7 and the water outlet valve pipe 9 are connected through a pipe body and a circulation pump;

[0041] like Figure 5 As shown, eight packing ring plates 41 are arranged at intervals inside the treatment barrel 4 along its length direction; both side end faces of the packing ring plates 41 have five water holes, and along the direction from the water inlet valve pipe 7 to the water outlet valve pipe 9 of the treatment barrel 4, the diameters of the water holes on the eight packing ring plates 41 are: 200mm, 180mm, 170mm, 160mm, 150mm, 140mm, 135mm, 130mm, respectively, and check valves are arranged on the water holes;

[0042] The filler ring plate 41 is uniformly filled with activated carbon and photocatalyst; the longitudinal section of the treatment barrel 4 is a ring structure, the frame 2 is provided with an ultraviolet lamp column 22 that can be embedded in the center of the ring structure, the filler ring plate 41 and the inner wall of the treatment barrel 4 are provided with a light-transmitting layer, and the outer inner wall of the treatment barrel 4 is a mirror layer;

[0043] The light-transmitting layer is made of polycarbonate, and the mirror layer is made of mirror-polished stainless steel;

[0044] A plurality of aeration tubes 42 are arranged inside the treatment barrel 4, and each of the aeration tubes 42 is connected to each of the air inlet holes one by one. The aeration tubes 42 extend along the length direction of the treatment barrel 4 and penetrate each of the packing ring plates 41. A plurality of aeration holes are evenly arranged on the surface of the aeration tubes 42, and the aeration tubes 42 are sealed and connected to the packing ring plates 41.

[0045] The surfaces of the outlet valve pipe 9 and the treatment barrel 4 are both provided with valves for cleaning and maintenance; the inlet valve pipe 7 is connected to the pipeline for inputting wastewater via a rotating sealing connector.

[0046] It should be noted that: this embodiment also includes a power supply and a controller, and the power supply, controller, packing ring plate 41, air bag 6, electric cylinder 5, ultraviolet lamp column 22, aeration pipe 42, circulation pump, activated carbon, and photocatalyst are all commercially available products and are not described in detail here.

[0047] The electric cylinder 5, the ultraviolet lamp column 22 and the circulation pump are electrically connected to the power supply and the controller respectively.

[0048] The working principle of this embodiment is:

[0049] Wastewater enters the treatment barrel 4 through the water inlet valve pipe 7. During the water inlet process, since a plurality of packing ring plates 41 are longitudinally arranged inside the treatment barrel 4, the wastewater will first pass through the first packing ring plate. Since a check valve is arranged on the packing ring plate 41, the wastewater can be prevented from flowing back. Moreover, the average aperture of the filter hole decreases in sequence along the transverse direction from the water inlet valve pipe 7 to the water outlet valve pipe 9 of the treatment barrel 4, so that the impurities of larger particles are initially filtered out, and the impurities are gradually filtered to reduce the loss of the packing ring plate 41. At the same time, the packing ring plate 41 is evenly filled with activated carbon and photocatalyst. The activated carbon can adsorb pollutants such as organic matter and pigments in the wastewater. The photocatalyst will participate in the advanced oxidation reaction under the subsequent ultraviolet irradiation to preliminarily purify the wastewater. At this time, the reciprocating extension and contraction of the electric cylinder 5 can adjust the position of the frame 2 on the base 1, and the sliding block at the bottom of the frame 2 and the guide rail on the base 1 are slidably engaged to achieve stable movement, thereby promoting the stirring of the water flow in the treatment barrel 4, promoting the lateral movement of the water flow, and the efficiency of the interaction with the packing ring plate. The airbag 6 passes through the frame 2 and is connected to the cavity through a pipeline. A one-way air inlet valve is provided on the surface of the airbag 6 to ensure that gas is provided to the aeration pipe 42 when the airbag 6 is stretched and squeezed, thereby promoting the oxidation reaction of the wastewater. The water inlet valve pipe 7 and the water outlet valve pipe 9 are connected through a pipe body and a circulation pump, so that untreated wastewater can circulate and purify in the treatment barrel 4. The outer wall of the treatment barrel 4 at the corresponding positions of the first mounting ring 3 and the second mounting ring 8 are respectively provided with annular grooves, and the inner surfaces of the first mounting ring 3 and the second mounting ring 8 are respectively provided with convex strips that are sealed and slidably engaged with the annular grooves to ensure sealing performance and prevent wastewater leakage.

[0050] The frame 2 is provided with an ultraviolet lamp column 22 that can be embedded in the center of the annular structure, which ensures light while avoiding damage to components and circuits caused by water impact and immersion in conventional settings. A light-transmitting layer is provided on the inner wall of the treatment barrel 4. The light-transmitting layer is made of polycarbonate material to ensure good light transmittance. The outer inner wall of the treatment barrel 4 is a mirror layer, and the mirror-polished stainless steel material can reflect light. Under the irradiation of the ultraviolet lamp column 22, the photocatalyst in the wastewater is activated, triggering an advanced oxidation reaction, and generating free radicals with strong oxidizing properties, such as hydroxyl radicals, etc. These free radicals can decompose the difficult-to-degrade organic matter in the wastewater and further purify the wastewater.

[0051] When the treatment barrel 4 is in the process of water intake and circulation, the treatment barrel 4 rotates due to the threaded connection between the transmission component 21, the rack 11 and the treatment barrel 4. This rotation can further stir the wastewater, so that the wastewater, oxygen, photocatalyst, etc. are fully mixed, thereby improving the reaction efficiency. The wastewater treated as described above is finally discharged through the outlet valve pipe 9 after multiple cycles. Due to the multiple filtrations and advanced oxidation reactions of the packing ring plate 41, the quality of the discharged wastewater is improved. The outlet valve pipe 9 and the surface of the treatment barrel 4 are both provided with valves for cleaning and maintenance, which is convenient for regular cleaning and maintenance of the equipment, and also convenient for replacement and replenishment of activated carbon and photocatalysts.

[0052] Embodiment 2: This embodiment differs from Embodiment 1 in that Figure 6 As shown, the aeration tube 42 is rotatably sealed and connected with each packing ring plate 41, a toothed disc 44 is provided on the aeration tube 42 corresponding to the position of the first mounting ring 3, and an air guide cavity 43 is rotatably sealed and provided on the aeration tubes 42 located on both sides of the toothed disc 44, the air guide cavity 43 is communicated with the air inlet, the air guide cavity 43 is communicated with the inside of the aeration tube 42, a plurality of stirring paddles 45 are provided on the aeration tube 42, a ventilation pipe communicated with the inside of the aeration tube 42 is provided in the stirring paddle 45, and a plurality of aeration holes communicated with the ventilation pipe are provided on the stirring paddle 45; a strip groove that allows the outer side of the toothed disc 44 to pass through is provided on the side wall of the treatment barrel 4, a toothed ring 31 that can mesh with the toothed disc 44 is provided inside the first mounting ring 3; the cavity in the first mounting ring 3 that is communicated with the air inlet of the treatment barrel 4 is not connected with the strip groove and the cavity of the toothed ring.

[0053] Embodiment 3: This embodiment differs from Embodiment 1 in that Figure 7 As shown, a plurality of water passage grooves 441 are provided on the surface of the toothed disc 44 .

[0054] Embodiment 4: This embodiment is different from Embodiment 1 in that a mesh shell is provided on the outer side of the toothed disc 44 and the strip groove for protecting the normal rotation of the toothed disc 44, and the stirring paddle 45 can rotate through the mesh shell.

Claims

1. A device for comprehensive wastewater treatment based on advanced oxidation process, characterized in that: The invention comprises a base (1), a frame (2) slidably arranged on the base (1), a treatment barrel (4) arranged in the frame (2) in a rotationally sealed manner through a first mounting ring (3), an electric cylinder (5) arranged on the base (1) and having an output end fixedly connected to the frame (2), an air bag (6) arranged transversely between the frame (2) and the base (1), a water inlet valve pipe (7) arranged at one end of the treatment barrel (4), and a water outlet valve pipe (9) arranged at the other end of the treatment barrel (4) in a rotationally sealed manner through a second mounting ring (8); The first mounting ring (3) and the second mounting ring (8) are both fixedly connected to the frame (2); a plurality of air inlet holes are arranged on the wall of the treatment barrel (4) at the connection point of the first mounting ring (3); a plurality of water outlet holes are arranged on the wall of the treatment barrel (4) at the connection point of the second mounting ring (8); the first mounting ring (3) and the second mounting ring (8) respectively have cavities in communication with the air inlet holes and the water outlet holes; a one-way valve is arranged on the air inlet hole; the air bag (6) passes through the frame (2) and is in communication with the cavity of the first mounting ring (3) through the air outlet end; and a one-way valve is arranged on the air inlet end of the air bag (6); The cavity in the second mounting ring (8) is connected to the water outlet valve pipe (9); a transmission assembly (21) is rotatably arranged on the frame (2), which is composed of a coaxial worm and a gear arranged up and down, and a rack (11) meshingly connected with the gear is arranged on the base (1) located on one side of the gear through a mounting plate, and a thread capable of worm gear transmission with the worm is arranged on the surface of the treatment barrel (4); The water inlet valve pipe (7) and the water outlet valve pipe (9) are connected via a pipe body and a circulation pump; a plurality of packing ring plates (41) are arranged at intervals inside the treatment barrel (4) along its length direction.

2. The device for comprehensive wastewater treatment based on advanced oxidation process as claimed in claim 1, characterized in that: The end surfaces on both sides of the packing ring plate (41) are provided with a plurality of water holes, and the diameters of the water holes of each packing ring plate (41) decrease in sequence from the water inlet valve pipe (7) to the water outlet valve pipe (9) of the treatment barrel (4), and each water hole is provided with a check valve.

3. The device for comprehensive wastewater treatment based on advanced oxidation process as claimed in claim 1, characterized in that: The filler ring plate (41) is uniformly filled with activated carbon and photocatalyst; the longitudinal section of the treatment barrel (4) is a ring structure, the frame (2) is provided with an ultraviolet lamp column (22) that can be embedded in the center of the ring structure, the filler ring plate (41) and the inner wall of the treatment barrel (4) are respectively provided with a light-transmitting layer, and the outer inner wall of the treatment barrel (4) is a mirror layer.

4. The device for comprehensive wastewater treatment based on advanced oxidation process as claimed in claim 3, characterized in that: The light-transmitting layer is made of polycarbonate, and the mirror layer is made of mirror-polished stainless steel.

5. The device for comprehensive wastewater treatment based on advanced oxidation process as claimed in claim 1, characterized in that: A plurality of aeration pipes (42) are arranged inside the treatment barrel (4), and each of the aeration pipes (42) is connected to each of the air inlet holes in a one-to-one correspondence. The aeration pipes (42) extend along the length direction of the treatment barrel (4) and penetrate each of the packing ring plates (41). A plurality of aeration holes are evenly arranged on the surface of the aeration pipe (42), and the aeration pipe (42) is sealedly connected to the packing ring plate (41).

6. The device for comprehensive wastewater treatment based on advanced oxidation process as claimed in claim 5, characterized in that: The aeration pipe (42) is rotatably sealedly connected to each packing ring plate (41); a toothed disc (44) is provided on the aeration pipe (42) corresponding to the position of the first mounting ring (3); and air guide cavities (43) are rotatably sealedly provided on the aeration pipes (42) located on both sides of the toothed disc (44); the air guide cavities (43) are communicated with the air inlet hole; the air guide cavities (43) are communicated with the inside of the aeration pipe (42); a plurality of stirring paddles (45) are provided on the aeration pipe (42); a ventilation pipe is provided inside the stirring paddle (45) and is communicated with the inside of the aeration pipe (42); and a plurality of aeration holes are provided on the stirring paddle (45) and are communicated with the ventilation pipe; a strip groove is provided on the side wall of the treatment barrel (4) and is capable of allowing the outer side of the toothed disc (44) to pass through; and a toothed ring (31) is provided inside the first mounting ring (3) and is capable of meshing and connecting with the toothed disc (44).

7. The device for comprehensive wastewater treatment based on advanced oxidation process as claimed in claim 6, characterized in that: A plurality of water passage grooves (441) are provided on the surface of the toothed disc (44).

8. The device for comprehensive wastewater treatment based on advanced oxidation process as claimed in claim 1, characterized in that: The surfaces of the water outlet valve pipe (9) and the treatment barrel (4) are both provided with valves for cleaning and maintenance; the outer wall of the treatment barrel (4) at positions corresponding to the first mounting ring (3) and the second mounting ring (8) are both provided with annular grooves, and the inner surfaces of the first mounting ring (3) and the second mounting ring (8) are both provided with convex strips that are sealingly and slidably engaged with the annular grooves.

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