CN112047451A

CN112047451A - Urban sewage oxidation treatment device

Info

Publication number: CN112047451A
Application number: CN202010879953.5A
Authority: CN
Inventors: 董波; 安晓婷; 瞿康宁; 刘芃; 葛易; 张瑞; 章振杰; 朱黎明; 徐波
Original assignee: Chuzhou Vocational and Technical College
Current assignee: Chuzhou Vocational and Technical College
Priority date: 2020-08-27
Filing date: 2020-08-27
Publication date: 2020-12-08

Abstract

The invention belongs to the technical field of urban sewage treatment, and particularly relates to an urban sewage oxidation treatment device; comprises an oxidation pond; an aeration pipe and a drain pipe are arranged at the bottom end of the oxidation tank; the fixed support is fixed in the oxidation pond, and an electric telescopic rod is fixed in the fixed support; the telescopic end of the electric telescopic rod is rotatably connected with a rotating outer ring through a bearing, and a plurality of rotating net rods are fixed on the circumferential surface of the rotating outer ring; a collecting bin is arranged on the side wall of the rotating net rod, and an inclined guide plate is arranged at the bin opening of the collecting bin; a collecting net cage is arranged below the rotating net rod, and the upper port of the collecting net cage is communicated with the collecting bin; the upper end surface of the rotating outer ring is rotatably provided with a rotating ring, and a plurality of supporting columns are fixed on the upper end surface of the rotating ring; the top ends of the support columns are supported with driving motors, and the telescopic ends of the driving motors are connected with the top ends of the rotating outer rings; the invention not only can collect the impurities, but also improves the effect of the oxidant in the oxidation pond on the efficient photocatalytic oxidation of the sewage.

Description

Urban sewage oxidation treatment device

Technical Field

The invention belongs to the technical field of urban sewage treatment, and particularly relates to an urban sewage oxidation treatment device.

Background

Sewage, generally refers to effluent water from life and production that is contaminated to some extent. The sewage mainly comprises domestic sewage, industrial wastewater, initial rainwater and water samples containing dangerous chemicals or uncertain dangerous properties. The main pollutants of the sewage include pathogen pollutants, oxygen-consuming pollutants, plant nutrients, toxic pollutants and the like.

In the sewage treatment process, substances such as ammonia nitrogen and the like in sewage are generally reduced through contact oxidation, namely aerobic degradation treatment.

Chinese patent discloses a sewage treatment contact oxidation device, patent application number 2008201220193, including the casing that is equipped with water inlet and delivery port, the filler that is used for the enrichment microorganism also sets up in the casing, still is equipped with the bubble generator that receives a little in the casing.

Although the microorganism can be enriched and rapidly diffused through the bubbles emitted by the micro-nano bubble generator, the sewage is oxidized; when the existing urban sewage contains a large amount of granular or blocky impurities, the impurities are easy to settle into the oxidation pond when the sewage is subjected to oxidation treatment, and further the oxidation treatment of the oxidation pond on the sewage is influenced; meanwhile, the surface of the sewage is easy to influence a green duckweed layer, and the phenomenon that the sewage is subjected to efficient and rapid oxidation treatment by an oxidant in an oxidation pond through photocatalysis is easy to influence.

In view of this, in order to overcome the above technical problems, the present applicant has designed and developed an oxidation treatment device for municipal sewage, which solves the above technical problems.

Disclosure of Invention

In order to make up the defects of the prior art, the invention provides an oxidation treatment device for municipal sewage, which is mainly used for solving the problem that the existing municipal sewage contains a large amount of granular or blocky impurities, and when the sewage is subjected to oxidation treatment, the impurities are easy to settle into an oxidation pond, so that the oxidation treatment of the oxidation pond on the sewage is influenced; meanwhile, the surface of the sewage is easy to influence a green duckweed layer, and the phenomenon that the sewage is subjected to efficient and rapid oxidation treatment by an oxidant in an oxidation pond through photocatalysis is easy to influence.

The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to an oxidation treatment device for municipal sewage, which comprises an oxidation pond; an aeration pipe and a drain pipe are arranged at the bottom end of the oxidation tank; a sundry cleaning mechanism is arranged in the oxidation pond and is used for cleaning sundries suspended in the oxidation pond; the sundries cleaning mechanism comprises a fixed support, an electric telescopic rod, a rotary outer ring, a rotary net rod, a collecting net cage, a rotary ring and a support column; the fixed support is fixed in the oxidation pond, and an electric telescopic rod is fixed in the fixed support; the telescopic end of the electric telescopic rod is rotatably connected with a rotating outer ring through a bearing, and a plurality of rotating net rods are fixed on the circumferential surface of the rotating outer ring; a collecting bin is arranged on the side wall of the rotating net rod, and an inclined guide plate is arranged at a bin opening of the collecting bin; a collecting net cage is arranged below the rotating net rod, and the upper port of the collecting net cage is communicated with the collecting bin; the upper end surface of the rotating outer ring is rotatably provided with a rotating ring, and a plurality of supporting columns are fixed on the upper end surface of the rotating ring; the top ends of the support columns are supported with driving motors, and the telescopic ends of the driving motors are connected with the top ends of the rotating outer rings;

when the device works, firstly, municipal sewage is pumped into the oxidation tank through the drain pipe, when the oxidation treatment is required to be carried out on the sewage in the oxidation tank, a treating person can firstly fill part of an oxidant with photocatalysis into the oxidation tank through the aeration pipe, when the aeration pipe continuously aerates the sewage in the oxidation tank, so that the sewage rolls, the treating person can control the electric telescopic rod to shrink through the controller, the water electric telescopic rod can drive the rotary net rod to be flush with the liquid level of the sewage through rotating the outer ring, then the driving motor can drive the rotary net rods to rotate circumferentially on the liquid level of the rolled sewage through rotating the outer ring, the collecting bin arranged on the side surface of the rotary net rod can collect particles or blocky impurities which are difficult to dissolve in the rolled sewage, the inclined guide plate can guide impurities, and the sewage entering the collecting bin can be discharged through the rotary net rod and the collecting net cage, meanwhile, particles or blocky impurities entering the collecting bin can fall into the collecting net box for collection, so that insoluble impurities contained in the sewage are prevented from settling below the oxidation pond, and the oxidation pond needs to be cleaned; meanwhile, the electric telescopic rod can continue to drive the rotating net rod to move towards the lower part of the oxidation pond, so that the rotating net rod can stir the sewage in the oxidation pond, the oxidant can fully oxidize the sewage, and meanwhile, the rotating net rod rotates at the sewage level, so that the green duckweeds gathered at the sewage level can be rotationally dispersed, dispersed and collected, and the effect of the oxidant in the oxidation pond on the efficient photosynthetic oxidation treatment of the sewage is improved; when the sundries collected in the collecting net cage need to be cleaned, a treating person can control the electric telescopic rod to extend out through the controller, the electric telescopic rod can drive the rotating outer ring to extend out of the oxidation pond, then the treating person can clean the sundries in the collecting net cage, and the collecting net cage can collect the sundries contained in the sewage in the oxidation pond again.

Preferably, two side walls of the collecting bin are provided with sliding clamping grooves; the outer wall of the top end of the collecting net cage is provided with a hard sliding strip, and the hard sliding strip is inserted into the sliding clamping groove in a sliding manner; the side surface of the end part of the collecting net cage is adsorbed to the end part of the rotating net rod through a magnetic adsorption block; when the device works, after the rotating outer ring drives the rotating net rods to extend out of the oxidation pond, a treating person can separate the magnetic suction blocks arranged at the end parts of the collecting net boxes from the rotating net rods, and then pull the collecting net boxes to enable the hard sliding strips at the two sides of the collecting net boxes to slide and separate from the sliding clamping grooves, so that the collecting net boxes arranged on the plurality of rotating net rods can be conveniently and quickly taken down, and meanwhile, collected impurities in the collecting net boxes can be conveniently cleaned; when the cleaned collecting net cage is required to be installed below the collecting bin, only the hard sliding strips on two sides of the collecting net cage are required to be inserted into the sliding clamping grooves, then the magnetic suction blocks at the end parts of the static collecting net cage are adsorbed to the end parts of the rotating net rods, so that the collecting net cage can be quickly installed on the rotating net rods, meanwhile, when the rotating net rods drive the collecting net cage to rotate in the oxidation pond, if the rotating centrifugal force of the rotating net rods is too large, the outer end parts of the collecting net cage can be driven to slide out of the outer end parts of the collecting bin, the outer end parts of the collecting net cage can be collided and attached to the inner wall of the oxidation pond, the collecting net cage and the rotating net rods can vibrate, the rotating net rods can be conveniently rotated to gather and adsorb impurities to fall into the collecting net cage, and the collecting.

Preferably, a plurality of stirring swing rods are uniformly arranged on the end face of the bottom of the collecting net box and vertically inserted into the oxidation pond; the stirring swing rods are arranged in a segmented manner, the lower parts of the stirring swing rods are in flexible connection, and the bottom ends of the stirring swing rods are provided with gravity magnetic blocks; when the device works, when the collecting net cage is driven by the plurality of rotating net rods to rotate in the oxidation pond, the plurality of stirring swing rods arranged at the bottom end of the collecting net cage can stir the oxidation pond, so that the effect of oxidizing the sewage by the oxidant added in the sewage is improved; mix the pendulum rod lower part simultaneously and set up for the flexible coupling, and be provided with the gravity magnetic path, when stirring the pendulum rod when rotating, because sewage is at the resistance when rolling, simultaneously with the action of gravity magnetic path down can be so that to mix the lower tip of pendulum rod and produce wobbling effect, further improve the effect of stirring the pendulum rod and stirring the sewage in to the oxidation pond, simultaneously can be so that the impurity of mixing in the sewage can roll the sewage liquid level fast on, be convenient for collect the effect that the box with a net carries out high efficiency collection to the impurity in the sewage.

Preferably, the stirring swing rod comprises a fixed branch pipe, a connecting hose and a stirring pipe; the top end of the fixed branch pipe is fixed to the bottom end of the collecting net cage, and the bottom end of the fixed branch pipe is connected with a connecting hose; the bottom end of the connecting hose is connected with a stirring pipe, and a gravity magnetic block is fixed at the bottom end of the stirring pipe; when the stirring swing rod rotates in the oxidation tank, the stirring pipe connected with the bottom end of the fixed branch pipe through the connecting hose can swing to a large extent in sewage under the sewage resistance of the gravity magnetic block and the rolling, so that the stirring effect of the stirring swing rod on the sewage in the oxidation tank is further improved; meanwhile, the gravity magnetic block arranged at the bottom end of the connecting hose can increase the swing amplitude of the stirring pipe, can perform adsorption operation on metal impurities mixed in the sewage, and improves the efficient cleaning effect of the impurity cleaning mechanism on impurities contained in the sewage; when the collecting net cage is taken out from the rotating net rod, the collecting net cage can drive the stirring swing rod to be separated from the oxidation pond, and the metal impurities adsorbed on the gravity magnetic block can be conveniently cleaned.

Preferably, the top end of the connecting hose is connected to the inside of the fixed branch pipe through a hard threaded pipe in a threaded manner; a plurality of liquid seepage holes are uniformly formed in the outer wall of the stirring pipe, and liquid oxidants are filled in the stirring pipe and the fixed branch pipe; when the connecting hose swings in sewage during working, the liquid oxidant filled in the connecting hose seeps into the sewage through the liquid seepage hole, the connecting hose rotates along with the rotating net rod, and meanwhile, the swinging of the connecting hose can increase the diffusion area of the liquid oxidant filled in the connecting hose, so that the connecting hose can stir the sewage, the contact area of the liquid oxidant and the sewage can be increased, and the oxidation treatment effect of the oxidant on the sewage is further improved; meanwhile, after the collecting net cage drives the stirring swing rod to be separated from the oxidation pond, a treating person can rotate the connecting hose from the fixed branch pipe and take the connecting hose down, then the liquid oxidant is filled into the stirring pipe, and then the stirring swing rod is convenient to stir so that the sewage can be continuously filled with the oxidant.

Preferably, adjacent stirring pipes are connected with each other through an elastic pull rope; an elastic swinging rod is fixed on the outer ring wall of the fixed support, and the end part of the elastic swinging rod is in rotating extrusion contact with the outer wall of the stirring pipe arranged at the innermost ring of the collecting net cage; when the stirring pipe rotates in the oxidation pond under the driving of the rotating net rod, the stirring pipe positioned at the innermost ring can generate rotary extrusion with the elastic swinging rod, so that the stirring pipe positioned at the innermost ring can swing and stir in sewage greatly, and the stirring pipes positioned at the innermost ring can be sequentially driven to form an inclined plane in the oxidation pond when the stirring pipe positioned at the innermost ring swings because the strip between the two adjacent stirring pipes is connected through the elastic pull rope, so that the contact area between the stirring pipe and the sewage is further increased; simultaneously when stirring pipe and elasticity swinging arms break away from the contact back, coupling hose's restoring force can make stirring pipe produce the effect of vibration in sewage, not only can discharge the oxidant that oozes in the last weeping hole of coupling hose fast, can form the effect of vibration oxidation treatment with stirring pipe sewage and oxidant on every side simultaneously, further improve the high-efficient oxidation treatment effect of oxidant to sewage.

The invention has the following beneficial effects:

1. according to the invention, through the sundries cleaning mechanism arranged in the oxidation pond, the rotating net rod can collect particles or blocky sundries contained in the rolling sewage into the collecting net cage, so that the indissolvable sundries contained in the sewage are prevented from settling below the oxidation pond, meanwhile, the rotating net rod can play a role in stirring the sewage in the oxidation pond, meanwhile, the oxidant can fully perform oxidation treatment on the sewage, meanwhile, the rotating net rod rotates on the sewage liquid level, the green duckweed gathered on the sewage liquid level can be rotationally dispersed and collected, and the efficient photocatalytic oxidation effect of the oxidant in the oxidation pond on the sewage is improved.

2. According to the invention, through the matching of the elastic swing rod and the plurality of stirring pipes, when the stirring pipes are separated from the contact with the elastic swing rod, the elastic restoring force of the connecting hose can enable the plurality of stirring pipes to generate an oscillation effect in sewage, so that the oxidizing agent seeped out from the weeping holes in the connecting hose can be quickly discharged, the sewage around the stirring pipes and the oxidizing agent can form an oscillation oxidation treatment effect, and the efficient oxidation treatment effect of the oxidizing agent on the sewage is further improved.

Drawings

The invention will be further explained with reference to the drawings.

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a cross-sectional view of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2 in accordance with the present invention;

in the figure: the device comprises an oxidation pond 1, a sundries cleaning mechanism 2, a fixed support 21, an electric telescopic rod 22, a rotary outer ring 23, a rotary net rod 24, a collection bin 241, a sliding clamping groove 242, a rotary ring 25, a support column 26, a collection net cage 27, an inclined guide plate 28, a hard slide bar 3, a magnetic suction block 4, a stirring swing rod 5, a fixed branch pipe 51, a connecting hose 52, a stirring pipe 53, a gravity magnetic block 6, an elastic pull rope 7 and an elastic swing rod 8.

Detailed Description

An oxidation treatment apparatus for municipal sewage according to an embodiment of the present invention will be described below with reference to fig. 1 to 3.

As shown in fig. 1-3, the municipal sewage oxidation treatment device of the invention comprises an oxidation tank 1; the bottom end of the oxidation pond 1 is provided with an aeration pipe and a drain pipe; the oxidation pond 1 is internally provided with a sundry cleaning mechanism 2, and the sundry cleaning mechanism 2 is used for cleaning the sundries suspended in the oxidation pond 1; the sundries cleaning mechanism 2 comprises a fixed support column 21, an electric telescopic rod 22, a rotary outer ring 23, a rotary net rod 24, a collecting net cage 27, a rotary ring 25 and a support column 26; the fixed support column 21 is fixed in the oxidation pond 1, and an electric telescopic rod 22 is fixed in the fixed support column 21; the telescopic end of the electric telescopic rod 22 is rotatably connected with a rotating outer ring 23 through a bearing, and a plurality of rotating net rods 24 are fixed on the circumferential surface of the rotating outer ring 23; a collecting bin 241 is arranged on the side wall of the rotating net rod 24, and an inclined guide plate 28 is arranged at the bin opening of the collecting bin 241; a collecting net cage 27 is arranged below the rotating net rod 24, and an upper port of the collecting net cage 27 is communicated with the collecting bin 241; the upper end surface of the rotating outer ring 23 is rotatably provided with a rotating ring 25, and the upper end surface of the rotating ring 25 is fixed with a plurality of supporting columns 26; the top ends of the support columns 26 are supported with driving motors, and the telescopic ends of the driving motors are connected with the top end of the rotating outer ring 23;

when the device works, firstly, municipal sewage is pumped into the oxidation tank 1 through the drain pipe, when the oxidation treatment is required to be carried out on the sewage in the oxidation tank 1, a treating person can firstly fill part of an oxidant with photocatalysis into the oxidation tank 1 through the aeration pipe, when the aeration pipe continuously aerates the sewage in the oxidation tank 1, so that the sewage rolls over, the treating person can control the electric telescopic rod 22 to shrink through the controller, the water electric telescopic rod 22 can drive the rotary net rod 24 to be flush with the liquid level of the sewage through rotating the outer ring 23, then the drive motor can drive the rotary net rods 24 to rotate circumferentially on the liquid level of the rolled sewage through rotating the outer ring 23, the collecting bin 241 arranged on the side surface of the rotary net rod 24 can collect particles or blocky impurities which are difficult to dissolve in the rolled sewage, the inclined guide plate 28 can guide the impurities, and the sewage entering the collecting bin 241 can be discharged through the rotary net rod 24 and the collecting net cage 27, meanwhile, particles or blocky impurities entering the collecting bin 241 fall into the collecting net cage 27 to be collected, so that insoluble impurities contained in the sewage are prevented from settling below the oxidation pond 1, and the oxidation pond 1 needs to be cleaned; meanwhile, the electric telescopic rod 22 can continuously drive the rotating net rod 24 to move towards the lower part of the oxidation pond 1, so that the rotating net rod 24 can stir the sewage in the oxidation pond 1, meanwhile, the oxidant can fully perform oxidation treatment on the sewage, meanwhile, the rotating net rod 24 rotates at the sewage level, green duckweeds gathered at the sewage level can be rotationally dispersed and collected, and the efficient photosynthetic oxidation treatment effect of the oxidant in the oxidation pond 1 on the sewage is improved; when the sundries collected in the collecting net cage 27 need to be cleaned, a treating person can control the electric telescopic rod 22 to extend out through the controller, the electric telescopic rod 22 can drive the rotating outer ring 23 to extend out of the oxidation pond 1, then the treating person can clean the sundries in the collecting net cage 27, and the collecting net cage 27 can conveniently collect the sundries in the sewage in the oxidation pond 1 again.

As an embodiment of the present invention, two side walls of the collecting bin 241 are provided with sliding clamping slots 242; the outer wall of the top end of the collecting net cage 27 is provided with a hard sliding strip 3, and the hard sliding strip 3 is slidably inserted into the sliding clamping groove 242; the side surface of the end part of the collecting net cage 27 is adsorbed to the end part of the rotating net rod 24 through the magnetic adsorption block 4; when the device works, after the rotating outer ring 23 drives the rotating net rods 24 to extend out of the oxidation pond 1, a treating person can separate the magnetic suction blocks 4 arranged at the end parts of the collecting net cages 27 from the rotating net rods 24, and then pull the collecting net cages 27 to enable the hard sliding strips 3 at the two sides of the collecting net cages 27 to slide and separate from the sliding clamping grooves 242, so that the collecting net cages 27 arranged on the plurality of rotating net rods 24 can be taken down quickly, and meanwhile, collected impurities in the collecting net cages 27 can be cleaned conveniently; when the cleaned collecting net cage 27 needs to be installed below the collecting bin 241, only the hard sliding strips 3 on two sides of the collecting net cage 27 need to be inserted into the sliding clamping grooves 242, then the magnetic suction blocks 4 at the end part of the static collecting net cage 27 are adsorbed to the end part of the rotating net rod 24, so that the collecting net cage 27 can be quickly installed on the rotating net rod 24, meanwhile, when the rotating net rod 24 drives the collecting net cage 27 to rotate in the oxidation pond 1, if the centrifugal force generated by the rotation of the rotating net rod 24 is too large, the outer end part of the collecting net cage 27 can be driven to slide out of the outer end of the collecting bin 241, so that the outer end part of the collecting net cage 27 is impacted and attached to the inner wall of the oxidation pond 1, the collecting net cage 27 and the rotating net rod 24 can generate a vibrating effect, the rotating net rod 24 is convenient to gather and adsorb impurities to fall into the collecting net cage 27, and the.

As an embodiment of the present invention, a plurality of stirring swing rods 5 are uniformly arranged on the bottom end surface of the collecting net cage 27, and the plurality of stirring swing rods 5 are vertically inserted into the oxidation pond 1; the stirring swing rods 5 are arranged in sections, the lower parts of the stirring swing rods 5 are in flexible connection, and gravity magnetic blocks 6 are arranged at the bottom ends of the stirring swing rods 5; when the device works, when the plurality of rotating net rods 24 drive the collecting net cage 27 to rotate in the oxidation pond 1, the plurality of stirring swing rods 5 arranged at the bottom end of the collecting net cage 27 can stir the oxidation pond 1, so that the effect of oxidizing agents added in sewage on sewage oxidation treatment is improved; mix 5 lower parts of pendulum rod simultaneously and set up for the flexible coupling, and be provided with gravity magnetic path 6, when stirring pendulum rod 5 when rotating, because sewage is the resistance when rolling, simultaneously with the action of gravity magnetic path 6 down can be so that stir the lower tip of pendulum rod 5 and produce wobbling effect, further improve the effect of stirring the sewage of pendulum rod 5 in to oxidation pond 1 and stirring, simultaneously can be so that the impurity of mixing in the sewage can roll the sewage liquid level fast on, be convenient for collect the effect that box with a net 27 carried out high efficiency collection to the impurity in the sewage.

As an embodiment of the present invention, the agitating swing link 5 includes a fixed branch pipe 51, a connection hose 52, and an agitating pipe 53; the top end of the fixed branch pipe 51 is fixed to the bottom end of the collecting net cage 27, and the bottom end of the fixed branch pipe 51 is connected with a connecting hose 52; the bottom end of the connecting hose 52 is connected with a stirring pipe 53, and the bottom end of the stirring pipe 53 is fixed with a gravity magnetic block 6; when the stirring swing rod 5 rotates in the oxidation pond 1, the stirring pipe 53 connected with the bottom end of the fixed branch pipe 51 through the connecting hose 52 can swing to a large extent in sewage under the resistance of the gravity magnetic block 6 and the rolling sewage, so that the stirring effect of the stirring swing rod 5 on the sewage in the oxidation pond 1 is further improved; meanwhile, the gravity magnetic block 6 arranged at the bottom end of the connecting hose 52 can not only increase the swing amplitude of the stirring pipe 53, but also perform adsorption operation on metal impurities mixed in the sewage, thereby improving the efficient cleaning effect of the impurity cleaning mechanism 2 on impurities contained in the sewage; when the collecting net cage 27 is taken out from the rotating net rod 24, the collecting net cage 27 can drive the stirring swing rod 5 to be separated from the oxidation pond 1, so that the metal impurities adsorbed on the gravity magnetic blocks 6 can be conveniently cleaned.

As an embodiment of the present invention, the top end of the connection hose 52 is screwed to the inside of the fixed branch pipe 51 by a hard threaded pipe; a plurality of liquid seepage holes are uniformly formed in the outer wall of the stirring pipe 53, and liquid oxidants are filled in the stirring pipe 53 and the fixed branch pipe 51; during operation, when the connecting hose 52 swings in sewage, the liquid oxidant filled in the connecting hose 52 seeps out into the sewage through the liquid seepage hole, and then the connecting hose 52 rotates along with the rotating net rod 24, and meanwhile, the swinging of the connecting hose 52 can increase the diffusion area of the liquid oxidant filled in the connecting hose 52, so that the connecting hose 52 not only can stir the sewage, but also can increase the contact area of the liquid oxidant and the sewage, and further improve the oxidation treatment effect of the oxidant on the sewage; meanwhile, after the collecting net cage 27 drives the stirring swing rod 5 to be separated from the oxidation pond 1, a treating person can rotate the connecting hose 52 from the fixed branch pipe 51 and take the connecting hose down, and then the liquid oxidant is filled into the stirring pipe 53, so that the stirring swing rod 5 can continue to fill the oxidant into the sewage.

As an embodiment of the present invention, adjacent stirring pipes 53 are connected to each other by an elastic pulling rope 7; an elastic swinging rod 8 is fixed on the outer ring wall of the fixed support column 21, and the end part of the elastic swinging rod 8 is in rotating and pressing contact with the outer wall of a stirring pipe 53 arranged at the innermost ring of the collecting net cage 27; during operation, when the stirring pipes 53 are driven by the rotating net rods 24 to rotate in the oxidation pond 1, the stirring pipe 53 positioned at the innermost ring can rotate and extrude with the elastic swinging rod 8, so that the stirring pipe 53 positioned at the innermost ring can swing and stir in sewage greatly, and because the two adjacent stirring pipes 53 are connected through the elastic pull rope 7, when the stirring pipe 53 positioned at the innermost ring swings, the stirring pipes 53 can be sequentially driven to form an inclined plane in the oxidation pond 1, so that the contact area between the stirring pipes 53 and the sewage is further increased; simultaneously when stirring pipe 53 and elasticity swinging arms 8 break away from the back of contact, coupling hose 52's restoring force can make stirring pipe 53 produce the effect of vibration in sewage, not only can discharge the oxidant that oozes in the weeping hole on coupling hose 52 fast, can form the effect of vibration oxidation treatment with the sewage around stirring pipe 53 with the oxidant simultaneously, further improve the high-efficient oxidation treatment effect of oxidant to sewage.

The specific working process is as follows:

when the device works, firstly, municipal sewage is pumped into the oxidation tank 1 through the drain pipe, when the oxidation treatment is required to be carried out on the sewage in the oxidation tank 1, a treating person can firstly fill part of an oxidant with photocatalysis into the oxidation tank 1 through the aeration pipe, when the aeration pipe continuously aerates the sewage in the oxidation tank 1, so that the sewage rolls over, the treating person can control the electric telescopic rod 22 to shrink through the controller, the water electric telescopic rod 22 can drive the rotary net rod 24 to be flush with the liquid level of the sewage through rotating the outer ring 23, then the drive motor can drive the rotary net rods 24 to rotate circumferentially on the liquid level of the rolled sewage through rotating the outer ring 23, the collecting bin 241 arranged on the side surface of the rotary net rod 24 can collect particles or blocky impurities which are difficult to dissolve in the rolled sewage, the inclined guide plate 28 can guide the impurities, and the sewage entering the collecting bin 241 can be discharged through the rotary net rod 24 and the collecting net cage 27, meanwhile, the particles or the blocky sundries entering the collecting bin 241 fall into the collecting net cage 27 to be collected; meanwhile, the net rod 24 rotates on the sewage level, so that green duckweeds gathered on the sewage level can be rotationally dispersed, dispersed and collected, and the effect of the oxidant in the oxidation pond 1 on efficient photosynthetic oxidation treatment of sewage is improved; when the sundries collected in the collecting net cage 27 need to be cleaned, a treating person can control the electric telescopic rod 22 to extend out through the controller, the electric telescopic rod 22 can drive the rotating outer ring 23 to extend out of the oxidation pond 1, then the treating person can clean the sundries in the collecting net cage 27, and the collecting net cage 27 can conveniently collect the sundries in the sewage in the oxidation pond 1 again.

In the description of the present invention, it is to be understood that the terms "center", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be taken as limiting the scope of the present invention.

While the invention has been described with reference to specific embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from its scope. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. An oxidation treatment device for urban sewage comprises an oxidation pond (1); the method is characterized in that: an aeration pipe and a drain pipe are arranged at the bottom end of the oxidation tank (1); the oxidation pond (1) is internally provided with a sundry cleaning mechanism (2), and the sundry cleaning mechanism (2) is used for cleaning the sundries suspended in the oxidation pond (1); the sundries cleaning mechanism (2) comprises a fixed support column (21), an electric telescopic rod (22), a rotary outer ring (23), a rotary net rod (24), a collecting net box (27), a rotary ring (25) and a support column (26); the fixed support column (21) is fixed in the oxidation pond (1), and an electric telescopic rod (22) is fixed in the fixed support column (21); the telescopic end of the electric telescopic rod (22) is rotatably connected with a rotating outer ring (23) through a bearing, and a plurality of rotating net rods (24) are fixed on the circumferential surface of the rotating outer ring (23); a collecting bin (241) is arranged on the side wall of the rotating net rod (24), and an inclined guide plate (28) is arranged at the bin opening of the collecting bin (241); a collecting net cage (27) is arranged below the rotating net rod (24), and the upper port of the collecting net cage (27) is communicated with the collecting bin (241); the upper end face of the rotating outer ring (23) is rotatably provided with a rotating ring (25), and a plurality of supporting columns (26) are fixed on the upper end face of the rotating ring (25); the top ends of the support columns (26) are supported with driving motors, and the telescopic ends of the driving motors are connected with the top ends of the rotating outer rings (23).

2. The municipal sewage oxidation treatment apparatus according to claim 1, wherein: two side walls of the collecting bin (241) are provided with sliding clamping grooves (242); the outer wall of the top end of the collecting net box (27) is provided with a hard sliding strip (3), and the hard sliding strip (3) is inserted into the sliding clamping groove (242) in a sliding mode; the end side of the collecting net box (27) is adsorbed to the end of the rotary net rod (24) through a magnetic adsorption block (4).

3. The municipal sewage oxidation treatment apparatus according to claim 2, wherein: a plurality of stirring swing rods (5) are uniformly arranged on the bottom end face of the collecting net box (27), and the stirring swing rods (5) are vertically inserted into the oxidation pond (1); a plurality of the stirring swing rods (5) are equally divided into sections, the lower parts of the stirring swing rods (5) are in flexible connection, and the bottom ends of the stirring swing rods (5) are provided with gravity magnetic blocks (6).

4. The municipal sewage oxidation treatment apparatus according to claim 3, wherein: the stirring swing rod (5) comprises a fixed branch pipe (51), a connecting hose (52) and a stirring pipe (53); the top end of the fixed branch pipe (51) is fixed to the bottom end of the collecting net box (27), and the bottom end of the fixed branch pipe (51) is connected with a connecting hose (52); the bottom end of the connecting hose (52) is connected with a stirring pipe (53), and the bottom end of the stirring pipe (53) is fixed with a gravity magnetic block (6).

5. The municipal sewage oxidation treatment apparatus according to claim 4, wherein: the top end of the connecting hose (52) is connected to the inside of the fixed branch pipe (51) through a hard threaded pipe thread; a plurality of liquid seepage holes are uniformly formed in the outer wall of the stirring pipe (53), and liquid oxidizing agents are filled in the stirring pipe (53) and the fixed branch pipe (51).

6. The municipal sewage oxidation treatment apparatus according to claim 5, wherein: the adjacent stirring pipes (53) are connected with each other through an elastic pull rope (7); an elastic swing rod (8) is fixed on the outer ring wall of the fixed support column (21), and the end part of the elastic swing rod (8) is in rotating and pressing contact with the outer wall of a stirring pipe (53) arranged at the innermost ring of the collecting net box (27).