CN218989003U

CN218989003U - Aeration tank for sewage treatment

Info

Publication number: CN218989003U
Application number: CN202223200155.9U
Authority: CN
Inventors: 徐钦军; 管清毅; 夏永敏
Original assignee: Shouguang Qingyuan Water Service Co ltd
Current assignee: Shouguang Environmental Protection Technology Co ltd
Priority date: 2022-11-30
Filing date: 2022-11-30
Publication date: 2023-05-09
Anticipated expiration: 2032-11-30

Abstract

An aeration tank for sewage treatment relates to the technical field of aeration devices, and comprises a tank body, wherein a plurality of air supply main pipes are horizontally arranged on the inner bottom surface of the tank body in parallel, a plurality of air tanks are fixedly connected on the air supply main pipes in parallel, a manifold communicated with the air tanks is connected on the air supply main pipes, an air wheel tank is fixedly connected in the air tanks, a rotating pipe is rotatably arranged at the upper end part of the air tank, an output shaft of the air wheel tank is fixedly connected with the lower end part of the rotating pipe, and an air inlet pipe is fixedly connected in the air tank. The utility model solves the problems that in the aeration process of the aeration head in the prior art, a stirring device is required to stir a water body, and a power supply is required to drive the stirring device, so that the consumption of electric energy is increased; and the gas can not uniformly contact with the sewage in the tank body, so that the phenomenon that dead angles are easily generated in the sewage in the tank body is caused, and the sewage treatment efficiency is influenced.

Description

Aeration tank for sewage treatment

Technical Field

The utility model relates to the technical field of aeration devices, in particular to an aeration tank for sewage treatment.

Background

At present, a secondary treatment process of physical treatment plus biological treatment is commonly adopted in domestic urban sewage treatment plants, and the most common biological treatment is an activated sludge method. Aeration is the core of activated sludge treatment, because both organic matter removal and dephosphorization and denitrification are closely related to the concentration of dissolved oxygen in the reaction mixture during the reaction, and the control of aeration is the only means of controlling dissolved oxygen in the engineering.

When the biological aeration tank is operated, the phenomenon that aeration is uneven to different degrees and the air quantity is difficult to control can occur along with the increase of the area, so that the dissolved oxygen can not be accurately controlled or the aeration equipment is damaged. Inaccurate control of dissolved oxygen can affect the quality of effluent water, and the damage of aeration equipment affects the operation of the whole sewage treatment system, and finally the system paralysis can be caused.

The prior art discloses a patent with publication number CN206156836U, and this scheme includes intake pipe, outer blast pipe and a plurality of aeration unit module, aeration unit module is for immersing the pipe network in the aeration tank, distributes the aeration head on the pipe network, and every aeration unit module links to each other with the end of intake pipe through a branch pipe, has concatenated total air input control valve in the intake pipe, has concatenated unit module tolerance control valve on every branch pipe, and outer blast pipe connects in total air input control valve front end position department of intake pipe in parallel, has concatenated outer exhaust gas quantity control valve on the outer blast pipe. The aeration unit module of the scheme is independent, is convenient to control and ensures uniform aeration; each module is provided with independent valve control, the control gas quantity is easier, the modules are not mutually influenced, and the functions of other modules are not influenced when the independent modules have problems; when one module is blocked by sounding, the purpose of dredging the module can be achieved by closing valves of other modules to increase the air inlet pressure of the fault module.

The prior device gradually exposes the defects of the technology along with the use, and the prior device mainly comprises the following aspects:

first, current aeration head need utilize agitating unit to stir the water at aeration process, still need utilize the power to drive agitating unit, has increaseed the consumption of electric energy.

Second, current aeration equipment is in the course of the work, and gaseous unable even contacts with the interior sewage of cell, causes the interior sewage of cell to appear the phenomenon at dead angle easily, has influenced sewage treatment efficiency.

In summary, it is clear that the prior art has inconvenience and defects in practical use, so that improvement is needed.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model provides an aeration tank for sewage treatment, which is used for solving the problems that in the aeration process of an aeration head in the prior art, a stirring device is required to be used for stirring a water body, a power supply is required to be used for driving the stirring device, and the consumption of electric energy is increased; and the gas can not uniformly contact with the sewage in the tank body, so that the phenomenon that dead angles are easily generated in the sewage in the tank body is caused, and the sewage treatment efficiency is influenced.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides an aeration tank for sewage treatment, includes the cell body, the level is equipped with a plurality of air feed main pipe side by side on the interior bottom surface of cell body, the parallel rigid coupling has a plurality of gas tank on the air feed main pipe, be connected with on the air feed main pipe with the manifold that the gas tank is linked together, the rigid coupling has the gas turbine box in the gas tank, the upper end of gas tank rotates and installs the commentaries on classics pipe, the output shaft of gas turbine box with the lower tip looks rigid coupling of commentaries on classics pipe, the gas tank is still fixedly connected with the intake pipe, the one end of intake pipe with the other end of intake pipe with the inner chamber of gas turbine box is connected, still be equipped with on the outer wall of gas turbine box with the outlet duct that the gas tank inner chamber is linked together, the commentaries on classics pipe is in be equipped with the inlet port of a plurality of intercommunication its inner chamber on the week wall, the upper end connection of commentaries on classics pipe has the aeration dish, the upper surface fixed girth of aeration dish is equipped with a plurality of mixed flow board.

As an optimized scheme, a rotating shaft is arranged in the air wheel box in a rotating mode, and three poking plates are uniformly distributed on the peripheral wall of the rotating shaft.

As an optimized scheme, the outer ends of the three poking plates are fixedly connected with baffle plate segments towards the same side.

As an optimized scheme, the outer bottom surface of the air box is fixedly connected with a clamp in parallel and is fixed on the air supply main pipe through the clamp.

As an optimized scheme, the upper end part of the rotary pipe is fixedly connected with a communicated disc-shaped shell, the upper end part of the disc-shaped shell is provided with an opening, and the aeration disc is fixed in the disc-shaped shell.

As an optimized scheme, a plurality of mixed flow plates are fixedly connected to the upper end part of the disc-shaped shell.

As an optimized scheme, an avoidance hole for avoiding the rotary pipe is formed in the upper end portion of the air box.

As an optimized scheme, a sealing ring is arranged between the inner wall of the avoidance hole and the outer wall of the rotary pipe.

As an optimized scheme, one end of each of the plurality of air supply main pipes is sealed, and the other end of each of the plurality of air supply main pipes is connected with an air inlet main pipe extending to the upper part of the tank body.

Compared with the prior art, the utility model has the beneficial effects that:

a plurality of air supply main pipes are arranged in parallel in the tank body, and a plurality of aeration discs are arranged on the air supply main pipes, so that a plurality of aeration discs can be uniformly arranged in the tank body, and the uniformity of aeration is ensured;

through setting up the turbine box, realize leading-in the air inlet from the manifold, utilize the air inlet of intake pipe to act on the plectrum, realize driving the pivot rotation, the upper end connection aeration dish of pivot is equipped with the mixed flow board on the aeration dish, realizes driving mixed flow board rotation and realizes stirring the liquid, guarantees the homogeneity that liquid and bubble contacted, and has saved independent power, has saved the electric energy, and has simplified the structure; the stirring function is realized by utilizing the air, so that the mixing efficiency of the air and the sewage is further increased, and the phenomenon of dead angles in the tank body is prevented.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. Like elements or portions are generally identified by like reference numerals throughout the several figures. In the drawings, elements or portions thereof are not necessarily drawn to scale.

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of a dial plate according to the present utility model;

FIG. 3 is a schematic view of an air intake of the present utility model.

In the figure: 1-a pool body; 2-a main air supply pipe; 3-an air inlet main pipe; 4-an air box; 5-a turbine box; 6-rotating shaft; 7-shifting plate; 8-an air outlet pipe; 9, an air inlet pipe; 10-manifold; 11-clamping hoop; 12-rotating a pipe; 13-an aeration disc; 14-a mixed flow plate; 15-a disc-shaped housing; 16-shifting plate; 17-a baffle segment; 18-an air inlet hole.

Detailed Description

Embodiments of the technical scheme of the present utility model will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and thus are merely examples, and are not intended to limit the scope of the present utility model.

As shown in fig. 1 to 3, an aeration tank for sewage treatment comprises a tank body 1, wherein a plurality of air supply main pipes 2 are horizontally arranged on the inner bottom surface of the tank body 1 in parallel, a plurality of air tanks 4 are fixedly connected on the air supply main pipes 2 in parallel, a manifold 10 communicated with the air tanks 4 is connected on the air supply main pipes 2, an air wheel tank 5 is fixedly connected in the air tanks 4, a rotary pipe 12 is rotatably arranged at the upper end part of the air tank 4, an output shaft of the air wheel tank 5 is fixedly connected with the lower end part of the rotary pipe 12, an air inlet pipe 9 is fixedly connected in the air tank 4, one end of the air inlet pipe 9 is communicated with the manifold 10, the other end of the air inlet pipe 9 is connected with the inner cavity of the air wheel tank 5, an air outlet pipe 8 communicated with the inner cavity of the air tank 4 is further arranged on the outer wall of the air wheel tank 5, a plurality of air inlet holes 18 communicated with the inner cavity of the air tank 4 are circumferentially arranged on the peripheral wall of the rotary pipe 12, an aeration disc 13 is connected at the upper end part of the rotary pipe 12, and a plurality of mixed flow plates 14 are fixedly arranged on the upper surface of the aeration disc 13.

The air wheel box 5 rotates to be provided with a rotating shaft 6, and three poking plates are uniformly distributed on the peripheral wall of the rotating shaft 6.

The outer ends of the three poking plates face the same side and are fixedly connected with baffle plate segments 17.

The outer bottom surface of the air box 4 is fixedly connected with a clamp 11 in parallel and is fixed on the air supply main pipe 2 through the clamp 11.

The upper end of the rotary pipe 12 is fixedly connected with a disc-shaped shell 15 which is communicated, the upper end of the disc-shaped shell 15 is provided with an opening, and the aeration disc 13 is fixed in the disc-shaped shell 15.

A plurality of mixing plates 14 are fixedly connected to the upper end of the disc-shaped shell 15.

The upper end of the air box 4 is provided with an avoidance hole for avoiding the rotary pipe 12.

A sealing ring is arranged between the inner wall of the avoidance hole and the outer wall of the rotary pipe 12.

One end of each of the plurality of air supply main pipes 2 is sealed, and the other end of each of the plurality of air supply main pipes is connected with an air inlet main pipe 3 extending to the upper part of the tank body 1.

The working principle of the device is as follows:

by arranging a plurality of air supply main pipes 2 in parallel in the tank body 1 and arranging a plurality of aeration discs 13 on the air supply main pipes 2, a plurality of air supply main pipes can be uniformly distributed in the tank body 1, and the uniformity of aeration is ensured;

by arranging the air wheel box 5, the air inlet is led in from the manifold 10, the air inlet of the air inlet pipe 9 acts on the shifting plate, the rotation of the driving rotating shaft 6 is realized, the upper end part of the rotating shaft 6 is connected with the aeration disc 13, the mixed flow plate 14 is arranged on the upper periphery of the aeration disc 13, the rotation of the mixed flow plate 14 is driven to stir liquid, the uniformity of contact between the liquid and bubbles is ensured, an independent power supply is omitted, electric energy is saved, and the structure is simplified; the stirring function is realized by utilizing the air, so that the mixing efficiency of the air and the sewage is further increased, and the phenomenon of dead angles in the tank body 1 is prevented.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model, and are intended to be included within the scope of the appended claims and description.

Claims

1. An aeration tank for sewage treatment, which is characterized in that: including cell body (1), the level is equipped with a plurality of air feed main pipe (2) side by side on the interior bottom surface of cell body (1), the rigid coupling has on air feed main pipe (2) to be equipped with a plurality of gas tank (4), be connected with on air feed main pipe (2) with manifold (10) that gas tank (4) are linked together, the rigid coupling has gas turbine case (5) in gas tank (4), change pipe (12) are installed in the upper end rotation of gas tank (4), the output shaft of gas turbine case (5) with change pipe (12) lower tip looks rigid coupling, still the rigid coupling has intake pipe (9) in gas tank (4), the one end of intake pipe (9) with manifold (10) are linked together, the other end of intake pipe (9) with the inner chamber of gas turbine case (5) is connected, still be equipped with on the outer wall of gas turbine case (5) with outlet duct (8) that the inner chamber is linked together, change pipe (12) are in change pipe (4) be equipped with on the wall of gas tank (4) and change pipe (12) and be equipped with on the inner chamber (13) of a plurality of aeration dish (13) and enclose on the face of connection, it is equipped with on the aeration dish (13).

2. An aeration tank for sewage treatment according to claim 1, wherein: the rotary shaft (6) is rotationally arranged in the air wheel box (5), and three poking plates are uniformly distributed on the peripheral wall of the rotary shaft (6).

3. An aeration tank for sewage treatment according to claim 2, wherein: the outer ends of the three poking plates face the same side and are fixedly connected with baffle plate sections (17).

4. An aeration tank for sewage treatment according to claim 3, wherein: the outer bottom surface of the air box (4) is fixedly connected with a clamp (11) in parallel, and is fixed on the air supply main pipe (2) through the clamp (11).

5. An aeration tank for sewage treatment according to claim 4, wherein: the upper end part of the rotary pipe (12) is fixedly connected with a disc-shaped shell (15) which is communicated, the upper end part of the disc-shaped shell (15) is provided with an opening, and the aeration disc (13) is fixed in the disc-shaped shell (15).

6. An aeration tank for sewage treatment according to claim 5, wherein: the plurality of flow mixing plates (14) are fixedly connected to the upper end part of the disc-shaped shell (15).

7. An aeration tank for sewage treatment according to claim 6, wherein: an avoidance hole for avoiding the rotary pipe (12) is formed in the upper end portion of the air box (4).

8. An aeration tank for sewage treatment according to claim 7, wherein: and a sealing ring is arranged between the inner wall of the avoidance hole and the outer wall of the rotary pipe (12).

9. An aeration tank for sewage treatment according to claim 8, wherein: one end of each of the plurality of air supply main pipes (2) is sealed, and the other end of each of the plurality of air supply main pipes is connected with an air inlet main pipe (3) extending to the upper part of the tank body (1).