CN219689481U

CN219689481U - Biochemical aeration device of high-efficient sewage treatment plant

Info

Publication number: CN219689481U
Application number: CN202320934722.9U
Authority: CN
Inventors: 何智丽; 邓嘉欣; 李静; 冉冬梅; 莫幼轩
Original assignee: Dongguan Shigu Sewage Disposal Co ltd
Current assignee: Dongguan Shigu Sewage Disposal Co ltd
Priority date: 2023-04-24
Filing date: 2023-04-24
Publication date: 2023-09-15
Anticipated expiration: 2033-04-24

Abstract

The utility model discloses a biochemical aeration device of a high-efficiency sewage treatment plant, which belongs to the technical field of sewage treatment and comprises a sewage tank for sewage treatment and an aeration pipe arranged in the sewage tank, wherein the bottom wall of an inner cavity of the sewage tank is fixedly connected with a plurality of supporting seats for supporting the aeration pipe, the surface of the aeration pipe is provided with a plurality of air outlet holes, the air outlet holes of the aeration pipe are fixedly connected with an exhaust pipe, an exhaust sleeve is movably connected in the exhaust pipe, the outer wall of the exhaust pipe is fixedly connected with an aeration disc, the surface of the aeration disc is movably connected with a diaphragm, the outer part of the aeration disc is movably connected with a fixing cover for fixing the position of the diaphragm, and the outer walls of two sides of the fixing cover are fixedly connected with positioning sleeves for fixing the position of the fixing cover. This biochemical aeration equipment of high-efficient sewage treatment plant not only conveniently seals the blast pipe, avoids the blast pipe to block up, conveniently carries out the dismouting to the diaphragm moreover fast.

Description

Biochemical aeration device of high-efficient sewage treatment plant

Technical Field

The utility model belongs to the technical field of sewage treatment, and particularly relates to a biochemical aeration device of a high-efficiency sewage treatment plant.

Background

The sewage treatment is a process for purifying sewage to meet the water quality requirement of being discharged into a certain water body or reused, wherein an aerator is a common type of sewage treatment equipment, microbubbles are directly injected into untreated sewage by the aerator, and under the combined action of a coagulant and a flocculant, suspended matters undergo physical flocculation and chemical flocculation, so that large suspended matter flocs are formed, the flocs float on the liquid surface to form scum under the action of the buoyancy of the bubble group, and the scum is separated from the water by a slag scraper. Although the air outlet hole of the existing aerator cannot be blocked in the air outlet process, impurities in sewage still block the air outlet hole when the aerator stops running, so that the practicability is reduced.

Reference is made to the Chinese patent grant: a disc type microporous aerator, which has authorized bulletin number: CN201999802, this utility model can prevent sewage backflow phenomenon from happening effectively, increase the contact area of bubble and water, raise the efficiency of aeration, can dissolve oxygen fast, raise the dissolution of oxygen in water greatly.

However, the membrane needs to be cleaned and replaced after the aerator is used for a period of time, so that the membrane is inconvenient to detach, and the replacement difficulty of the membrane is improved.

Disclosure of Invention

The utility model aims to provide a biochemical aerator of a high-efficiency sewage treatment plant, which aims to solve the problems that the membrane needs to be cleaned and replaced after being used for a period of time, and the membrane is inconvenient to detach and the replacement difficulty of the membrane is improved in the aerator with the structure.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the biochemical aeration device of the high-efficiency sewage treatment plant comprises a sewage tank for sewage treatment and an aeration pipe arranged in the sewage tank, wherein the bottom wall of the inner cavity of the sewage tank is fixedly connected with a plurality of supporting seats for supporting the aeration pipe, the surface of the aeration pipe is provided with a plurality of air outlet holes, the air outlet holes of the aeration pipe are fixedly connected with an exhaust pipe, the exhaust pipe is movably connected with an exhaust sleeve, and the outer wall of the exhaust pipe is fixedly connected with an aeration disc;

the surface swing joint of aeration dish has the diaphragm, and the outside swing joint of aeration dish has the fixed lid that is used for fixing the diaphragm position, the equal fixedly connected with of both sides outer wall of fixed lid is used for fixing the location sleeve of fixed lid.

In a further embodiment, a guide hole is formed in the outer wall of one side, far away from the fixed cover, of the positioning sleeve, a positioning pin is connected in a sliding mode in the guide hole of the positioning sleeve, and positioning holes matched with the positioning pins are formed in the outer walls of the two sides of the aeration disc.

In a further embodiment, the outer part of the positioning pin is fixedly connected with a fixing ring, and the outer part of the positioning pin is sleeved with a fixing spring for supporting the fixing ring.

In a further embodiment, a fixed rod is fixedly connected in the exhaust pipe, a moving hole is formed in the fixed rod, and a pushing column fixedly connected with the exhaust sleeve is movably connected in the moving hole of the fixed rod.

In a further embodiment, the bottom of the pushing column is fixedly connected with a limiting plate, and the outer part of the pushing column is sleeved with a supporting spring for supporting the limiting plate.

In a further embodiment, the outer walls of the two sides of the exhaust sleeve are fixedly connected with limiting sliding blocks, and a plurality of exhaust holes are formed in the outer walls of the periphery of the exhaust sleeve.

The utility model has the technical effects and advantages that:

according to the biochemical aeration device of the high-efficiency sewage treatment plant, the fixing ring is supported by the fixing spring, the positioning pin is inserted into the positioning hole of the aeration disc, so that the membrane can be quickly installed, the positioning pin is pulled to separate the positioning pin from the aeration disc, and the fixing cover can be quickly detached from the aeration disc, so that the membrane can be quickly detached and replaced;

through supporting spring's elasticity effect, after the aeration, support the limiting plate, make exhaust sleeve retract fast to in the blast pipe, seal the blast pipe, avoid impurity in the sewage to get into in the blast pipe through exhaust sleeve, this high-efficient sewage treatment plant biochemical aeration device not only conveniently seals the blast pipe, avoids the blast pipe to block up, and convenient quick dismouting is carried out the diaphragm moreover.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a cross-sectional view of the present utility model;

FIG. 2 is a schematic view of the structure of the exhaust pipe and aeration disc of the present utility model;

FIG. 3 is a cross-sectional view of an exhaust pipe and aeration disc of the present utility model;

fig. 4 is an enlarged view of fig. 3 a in accordance with the present utility model.

In the figure: 1. a sewage pool; 11. an aeration pipe; 12. a support base;

2. an exhaust pipe; 21. a fixed rod; 22. pushing the column; 23. an exhaust sleeve; 24. a limiting plate; 25. a support spring; 26. a limit sliding block;

3. an aeration disc; 31. a membrane; 32. a fixed cover; 33. positioning a sleeve; 34. a positioning pin; 35. a fixing ring; 36. and fixing the spring.

Detailed Description

In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present utility model. It will be apparent, however, to one skilled in the art that the utility model may be practiced without one or more of these details. In other instances, well-known features have not been described in detail in order to avoid obscuring the utility model.

Unless the directions indicated by the individual definitions are used, the directions of up, down, left, right, front, rear, inner and outer are all directions of up, down, left, right, front, rear, inner and outer in the drawings shown in the present utility model, and are described herein together.

The connection mode can adopt the prior modes such as bonding, welding, bolting and the like, and is based on the actual requirement.

In order to facilitate sealing of the exhaust pipe 2 and avoid blocking of the exhaust pipe 2, as shown in fig. 1, 2 and 3, an aeration pipe 11 is arranged in the sewage tank 1, and a plurality of supporting seats 12 for supporting the aeration pipe 11 are fixedly connected to the bottom wall of the inner cavity of the sewage tank 1 through screws;

the surface of aeration pipe 11 has seted up a plurality of ventholes, and the welding has in the venthole of aeration pipe 11 blast pipe 2, swing joint has exhaust sleeve 23 in the blast pipe 2, the welding has dead lever 21 in the blast pipe 2, the width of dead lever 21 is less than the internal diameter of blast pipe 2, thereby make things convenient for gas flow, and set up the movable hole on the dead lever 21, the movable connection has the promotion post 22 with exhaust sleeve 23 welded fastening in the movable hole of dead lever 21, the bottom of promotion post 22 passes through screw fixedly connected with limiting plate 24, and the outside of promotion post 22 has cup jointed the supporting spring 25 that is used for supporting limiting plate 24, the both sides outer wall of exhaust sleeve 23 all fixedly connected with limiting slide 26, limiting slide groove that supplies limiting slide 26 gliding has all been seted up to the both sides inner wall of blast pipe 2, and a plurality of exhaust holes have all been seted up through supporting spring 25's elasticity effect, after the aeration, make exhaust sleeve 23 retract fast to blast pipe 2 in, seal to exhaust sleeve 23, prevent impurity in the sewage from entering blast pipe 2 through exhaust sleeve 23.

In order to quickly disassemble and assemble the membrane 31, as shown in fig. 1, 3 and 4, the outer wall of the exhaust pipe 2 is fixedly connected with an aeration disc 3, the surface of the aeration disc 3 is movably connected with the membrane 31, the outside of the aeration disc 3 is movably connected with a fixing cover 32 for fixing the position of the membrane 31, and the outer walls of two sides of the fixing cover 32 are welded with positioning sleeves 33 for fixing the position of the fixing cover 32;

the guide hole has been seted up to the outer wall of one side that locating sleeve 33 kept away from fixed lid 32, and the sliding connection has locating pin 34 in the guide hole of locating sleeve 33, the through-hole that supplies locating pin 34 to remove has all been seted up to the both sides outer wall of fixed lid 32, locating pin 34 assorted locating hole has all been seted up to the both sides outer wall of aeration dish 3, the outside welding of locating pin 34 has solid fixed ring 35, and gu fixed spring 36 that is used for supporting gu fixed ring 35 has been cup jointed to the outside of locating pin 34, gu fixed spring 36 supports gu fixed ring 35, make locating pin 34 peg graft in the locating hole of aeration dish 3, can accomplish the installation of diaphragm 31 fast, pulling locating pin 34 makes locating pin 34 and aeration dish 3 separation, can dismantle fixed lid 32 from aeration dish 3 fast, thereby accomplish the dismantlement and the change of diaphragm 31 fast.

Working principle:

according to the biochemical aeration device of the high-efficiency sewage treatment plant, after sewage is fully filled in a sewage tank 1, gas is conveyed into an aeration pipe 11 through external gas conveying equipment, an exhaust sleeve 23, a pushing column 22 and a limiting plate 24 are pushed to rise under the action of air pressure, the limiting plate 24 compresses a supporting spring 25, and the gas enters an aeration disc 3 and the sewage tank 1 through an exhaust hole on the exhaust sleeve 23 to perform aeration operation;

after aeration is finished, the supporting spring 25 supports the limiting plate 24, the limiting plate 24 is pushed to descend, the limiting plate 24 pulls the exhaust sleeve 23 to descend through the pushing column 22, the exhaust sleeve 23 is enabled to retract into the exhaust pipe 2 rapidly, the exhaust hole on the exhaust sleeve 23 is enabled to retract into the exhaust pipe 2, the exhaust pipe 2 is sealed, and impurities in sewage are prevented from entering the exhaust pipe 2 through the exhaust sleeve 23;

when the membrane 31 needs to be detached and replaced, the positioning pin 34 is pulled, the positioning pin 34 is separated from the aeration disc 3, the fixed cover 32 is detached from the aeration disc 3, the membrane 31 is detached from the aeration disc 3, the new membrane 31 is replaced, the fixed cover 32 is placed on the surface of the membrane 31, the fixed spring 36 supports the fixed ring 35, the positioning pin 34 is inserted into the positioning hole of the aeration disc 3, and therefore the membrane 31 can be quickly installed, and the membrane 31 is quickly detached and replaced.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high-efficient sewage treatment plant biochemical aeration device, includes sewage tank (1) that is used for sewage treatment and sets up aeration tube (11) in sewage tank (1), its characterized in that: the sewage treatment device is characterized in that a plurality of supporting seats (12) for supporting the aeration pipe (11) are fixedly connected to the bottom wall of the inner cavity of the sewage pool (1), a plurality of air outlet holes are formed in the surface of the aeration pipe (11), an exhaust pipe (2) is fixedly connected in the air outlet holes of the aeration pipe (11), an exhaust sleeve (23) is movably connected in the exhaust pipe (2), and an aeration disc (3) is fixedly connected to the outer wall of the exhaust pipe (2);

the surface swing joint of aeration dish (3) has diaphragm (31), and the outside swing joint of aeration dish (3) has fixed lid (32) that are used for fixing diaphragm (31) position, the both sides outer wall of fixed lid (32) all fixedly connected with is used for fixing fixed sleeve (33) of the position of fixed lid (32).

2. The biochemical aerator of a high efficiency sewage treatment plant according to claim 1, wherein: the outer walls of one side, far away from the fixed cover (32), of the positioning sleeve (33) are provided with guide holes, positioning pins (34) are connected in the guide holes of the positioning sleeve (33) in a sliding mode, and the outer walls of two sides of the aeration disc (3) are provided with positioning holes matched with the positioning pins (34).

3. The biochemical aerator of a high efficiency sewage treatment plant according to claim 2, wherein: the outside fixedly connected with solid fixed ring (35) of locating pin (34), and the outside of locating pin (34) cup joints fixed spring (36) that are used for supporting solid fixed ring (35).

4. The biochemical aerator of a high efficiency sewage treatment plant according to claim 1, wherein: the exhaust pipe is characterized in that a fixed rod (21) is fixedly connected in the exhaust pipe (2), a moving hole is formed in the fixed rod (21), and a pushing column (22) fixedly connected with an exhaust sleeve (23) is movably connected in the moving hole of the fixed rod (21).

5. The biochemical aerator of a high efficiency sewage treatment plant according to claim 4, wherein: the bottom of promote post (22) is fixedly connected with limiting plate (24), and the outside of promoting post (22) cup joints supporting spring (25) that are used for carrying out the support to limiting plate (24).

6. The biochemical aerator of a high efficiency sewage treatment plant according to claim 4, wherein: limiting sliding blocks (26) are fixedly connected to the outer walls of the two sides of the exhaust sleeve (23), and a plurality of exhaust holes are formed in the outer walls of the periphery of the exhaust sleeve (23).