CN210825878U

CN210825878U - Aeration tank structure for sewage treatment

Info

Publication number: CN210825878U
Application number: CN201921802424.4U
Authority: CN
Inventors: 周浩; 崔来取; 王配; 刘冬平; 周侠
Original assignee: Bengbu Branch Of Jiangsu Wushui Environmental Engineering Co ltd
Current assignee: Bengbu Branch Of Jiangsu Wushui Environmental Engineering Co ltd
Priority date: 2019-10-24
Filing date: 2019-10-24
Publication date: 2020-06-23
Anticipated expiration: 2029-10-24

Abstract

The utility model belongs to the technical field of sewage treatment, especially, be an aeration tank structure for sewage treatment, including the aeration tank main part, the aeration tank main part is rectangle aeration cavity, and the interior aeration chamber of aeration tank main part constitutes first aeration chamber, second aeration chamber, third aeration chamber and fourth aeration chamber through the crisscross partition of horizontal separators and longitudinal baffle, and the equal vertical fixation in corner of first aeration chamber, second aeration chamber, third aeration chamber and fourth aeration chamber has the guide rail. The utility model discloses set up high pressure gas station and produce high pressure draught, during some high pressure draught passed through solenoid valve and gets into aeration net, carry out aeration treatment to sewage, during another part high pressure draught got into four flexible air poles, promote four aeration nets and vibrate in the inner chamber in first aeration chamber, second aeration chamber, third aeration chamber and fourth aeration chamber along the guide rail, mix sewage flow wherein to strengthen the aerated effect.

Description

Aeration tank structure for sewage treatment

Technical Field

The utility model relates to a sewage treatment technical field specifically is an aeration tank structure for sewage treatment.

Background

The aeration tank is a biochemical reactor designed by people according to the characteristics of microorganisms, the degradation degree of organic pollutants is mainly determined by the aeration reaction conditions designed by people, the aeration tank utilizes an activated sludge method to treat sewage, certain sewage retention time is provided in the tank, the oxygen quantity required by aerobic microorganisms and the mixing conditions of full contact of sewage and activated sludge are met, the aeration tank mainly comprises a tank body, an aeration system and a water inlet and a water outlet, and the aeration tank also has other important functions such as mixing and stirring. Oxygen in air is transferred into water through aeration, and the oxygen is transferred from gas phase to liquid phase through mass transfer, the theory of mass transfer diffusion is more applied by a double-membrane theory proposed by Liuyi and Whitman, and the double-membrane theory considers that an air membrane and a liquid membrane exist on a gas-water interface, and air and liquid flow exists outside the air membrane and the liquid membrane, and belongs to a turbulent flow state; the air film and the liquid film are in a laminar flow state, no convection exists, air pressure gradient and concentration gradient can occur under certain conditions, if the concentration of oxygen in the liquid film is lower than the saturation concentration of oxygen in water, oxygen in air continuously diffuses inwards to permeate the liquid film to enter a water body, so the liquid film and the air film become barriers to oxygen transfer, and the double-film theory is adopted, obviously reduces the size of bubbles, increases the number of bubbles, improves the turbulence degree of liquid, increases the installation depth of an aerator, and prolongs the contact time of the bubbles and the liquid so as to enhance the aeration effect.

The current aeration tank for sewage treatment has the following problems:

1. the aeration mechanism in the current aeration tank for sewage treatment can only stand still in sewage to carry out aeration treatment on the sewage, and the aeration effect is poor;

2. the current aeration mechanism of the aeration tank for sewage treatment can only simply aerate sewage and can not settle and filter impurities dissolved in the sewage.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides an aeration tank structure for sewage treatment has solved present aeration tank for sewage treatment's aeration mechanism and can only be static in sewage and carry out aeration treatment to sewage to and can only be simple to sewage aeration, can not subside and filterable problem to the impurity that dissolves in the sewage.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: an aeration tank structure for sewage treatment comprises an aeration tank main body, wherein the aeration tank main body is a rectangular aeration cavity, the inner aeration cavity of the aeration tank main body is partitioned into a first aeration cavity, a second aeration cavity, a third aeration cavity and a fourth aeration cavity in a staggered manner through a transverse partition plate and a longitudinal partition plate, guide rails are vertically fixed at the corners of the first aeration cavity, the second aeration cavity, the third aeration cavity and the fourth aeration cavity, aeration grids are movably embedded in the first aeration cavity, the second aeration cavity, the third aeration cavity and the fourth aeration cavity through the guide rails fixed in the first aeration cavity, the second aeration cavity, the third aeration cavity and the fourth aeration cavity, one sides of the top ends of the four aeration grids are communicated with aeration pipes, a T-shaped vertical frame is fixedly installed at the top end of the joint of the transverse partition plate and the longitudinal partition plate, telescopic air rods are fixedly installed at the corners of the top end of the T-shaped vertical frame, and telescopic shafts of the four telescopic air rods are fixedly connected to the centers of the top surfaces of the four aeration, the middle part of the top surface of the T-shaped vertical frame is fixedly provided with a high-pressure air station, the top end of the high-pressure air station is fixedly provided with eight electromagnetic valves, and the high-pressure air station is respectively communicated with the four aeration pipes and the four telescopic air rods through the eight electromagnetic valves.

As an optimized technical scheme of the utility model, first aeration chamber intercommunication has the sewage pipe, first aeration chamber with the top of second aeration chamber handing-over department is equipped with first filter screen, second aeration chamber with the handing-over department in third aeration chamber is equipped with the second filter screen, third aeration chamber with the handing-over department in fourth aeration chamber is equipped with the third filter screen, fourth aeration chamber intercommunication has the water purification pipe.

As an optimal technical scheme of the utility model, the aeration net includes the trunk line, the both sides of trunk line communicate side by side has ten parallel secondary pipeline of each other, the trunk line with the avris interval of secondary pipeline is equipped with the aeration hole.

As an optimal technical scheme of the utility model, first aeration chamber the second aeration chamber the third aeration chamber with the top in fourth aeration chamber all is equipped with medicament release valve, first aeration chamber the second aeration chamber the third aeration chamber with the bottom in fourth aeration chamber all is equipped with the precipitate blow-off valve.

As an optimized technical scheme of the utility model, first aeration chamber the second aeration chamber the third aeration chamber with the inner wall in fourth aeration chamber has all laminated the anticorrosive coating, and the anticorrosive coating is stainless steel layer or glass layer or ceramic layer or polyurethane layer.

(III) advantageous effects

Compared with the prior art, the utility model provides an aeration tank structure for sewage treatment possesses following beneficial effect:

1. this an aeration tank structure for sewage treatment sets up high-pressure air station and produces high-pressure draught, and in some high-pressure draught passed through solenoid valve entering aeration grid, carry out aeration treatment to sewage, in another part high-pressure draught got into four flexible air bars, promote four aeration grids and vibrate in the inner chamber of first aeration chamber, second aeration chamber, third aeration chamber and fourth aeration chamber along the guide rail, stir sewage flow wherein to strengthen the effect of aeration.

2. This an aeration tank structure for sewage treatment sets up medicament release valve on aeration tank main part top, has deposit discharge valve in aeration tank main part bottom intercommunication, and medicament release valve releases carries out purification treatment's corresponding medicament to sewage, and sewage and purification medicament mixed reaction back produce the neutralization article, and the neutralization article deposits the bottom of going into corresponding aeration tank, and deposit discharge valve regularly opens, discharges out the deposit that the sewage purification in-process produced.

Drawings

FIG. 1 is a schematic view of the subjective structure of the present invention;

FIG. 2 is a schematic side sectional view of the present invention;

FIG. 3 is a schematic view of a partial structure of the present invention;

fig. 4 is a schematic view of the top view structure of the aeration grid of the present invention.

In the figure: 1. an aeration tank main body; 2. first aeration; 3. second aeration; 4. third aeration; 5. fourth aeration; 6. a guide rail; 7. aerating the grids; 701. a main pipeline; 702. a secondary pipeline; 703. an aeration hole; 8. an aeration pipe; 9. a T-shaped vertical frame; 10. a telescopic air rod; 11. a high pressure gas station; 12. an electromagnetic valve; 13. a sewage pipe; 14. a first filter screen; 15. a second filter screen; 16. a third filter screen; 17. a water purifying pipe; 18. a medicament release valve; 19. and a sediment discharge valve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-4, the present invention provides the following technical solutions: an aeration tank structure for sewage treatment comprises an aeration tank main body 1, wherein the aeration tank main body 1 is a rectangular aeration cavity, an inner aeration cavity of the aeration tank main body 1 is separated into a first aeration cavity 2, a second aeration cavity 3, a third aeration cavity 4 and a fourth aeration cavity 5 through a transverse partition plate and a longitudinal partition plate in a staggered way, guide rails 6 are vertically fixed at corners of the first aeration cavity 2, the second aeration cavity 3, the third aeration cavity 4 and the fourth aeration cavity 5, the first aeration cavity 2, the second aeration cavity 3, the third aeration cavity 4 and the fourth aeration cavity 5 are movably embedded with aeration grids 7 through the guide rails 6 fixed in the inner parts of the aeration grids, one sides of the top ends of the four aeration grids 7 are communicated with aeration pipes 8, a T-shaped vertical frame 9 is fixedly installed at the top ends of the transverse partition plate and the longitudinal partition plate, telescopic air rods 10 are fixedly installed at the corners of the top end of the T-shaped vertical frame 9, telescopic shafts of the four telescopic rods 10 are fixedly connected with the centers of the top surfaces of the four grids 7, the middle part of the top surface of the T-shaped vertical frame 9 is fixedly provided with a high-pressure air station 11, the top end of the high-pressure air station 11 is fixedly provided with eight electromagnetic valves 12, and the high-pressure air station 11 is respectively communicated with four aeration pipes 8 and four telescopic air rods 10 through the eight electromagnetic valves 12.

In this embodiment, the high pressure gas station 11 generates high pressure gas flow, a part of the high pressure gas flow enters the aeration grid 7 through four solenoid valves 12 and four aeration pipes 8, and aerates the sewage in the first aeration chamber 2, the second aeration chamber 3, the third aeration chamber 4 and the fourth aeration chamber 5, and another part of the high pressure gas flow enters the four telescopic air rods 10 as a driving force to push the four aeration grids 7 to vibrate in the inner cavities of the first aeration chamber 2, the second aeration chamber 3, the third aeration chamber 4 and the fourth aeration chamber 5 along the guide rail 6, and the sewage in the aeration grids is stirred to flow, so that the aeration effect is enhanced.

Specifically, the first aeration cavity 2 is communicated with a sewage pipe 13, a first filter screen 14 is arranged at the top end of the joint of the first aeration cavity 2 and the second aeration cavity 3, a second filter screen 15 is arranged at the joint of the second aeration cavity 3 and the third aeration cavity 4, a third filter screen 16 is arranged at the joint of the third aeration cavity 4 and the fourth aeration cavity 5, and the fourth aeration cavity 5 is communicated with a purified water pipe 17.

In this embodiment, the sewage pipe 13 discharges sewage into the first aeration chamber 2, the sewage enters the second aeration chamber 3 through the first filter screen 14 after being subjected to the primary aeration and the corresponding chemical treatment in the first aeration chamber 2, the first filter screen 14 intercepts impurities in the sewage, the second aeration and the second chemical treatment are performed in the second aeration chamber 3, then the sewage enters the third aeration chamber 4 through the second filter screen 15 to perform the third aeration and the third chemical treatment, and finally the sewage enters the fourth aeration chamber 5 through the third filter screen 16 to perform the fourth aeration and the fourth chemical treatment, so as to obtain a purified water body meeting the requirement, and the purified water body flows out through the water purification pipe 17.

Specifically, the aeration grid 7 comprises a main pipe 701, ten mutually parallel secondary pipes 702 are communicated in parallel on two sides of the main pipe 701, and aeration holes 703 are arranged at intervals on the sides of the main pipe 701 and the secondary pipes 702.

In this embodiment, the main pipe 701 is communicated with the aeration pipe 8, the high-pressure air in the aeration pipe 8 enters the secondary pipe 702 through the main pipe 701, and is finally discharged from the aeration holes 703, so that air bubbles are formed for aeration, and the air bubbles stir the sewage and substances contained in the sewage to perform corresponding precipitation and chemical combination reaction, thereby realizing the purification of the sewage.

Specifically, the top ends of the first aeration cavity 2, the second aeration cavity 3, the third aeration cavity 4 and the fourth aeration cavity 5 are all provided with a medicament release valve 18, and the bottom ends of the first aeration cavity 2, the second aeration cavity 3, the third aeration cavity 4 and the fourth aeration cavity 5 are all provided with a sediment discharge valve 19.

In this embodiment, the chemical release valve 18 is used to release a corresponding chemical for purifying sewage, the sewage and the purifying chemical are mixed and reacted to generate a neutralized product, the neutralized product is deposited at the bottom end of the corresponding aeration tank, and the deposit discharge valve 19 is periodically opened to discharge the deposit generated in the sewage purification process.

Specifically, the inner walls of the first aeration cavity 2, the second aeration cavity 3, the third aeration cavity 4 and the fourth aeration cavity 5 are all attached with anticorrosive coatings, and the anticorrosive coatings are stainless steel layers, glass layers, ceramic layers or polyurethane layers.

In this embodiment, the anticorrosive coating can correspond the corruption of sewage and purification medicament, guarantees the utility model discloses the lasting stable work of aeration tank.

The solenoid valve 12 and the drug release valve 18 in this embodiment are known technologies that have been disclosed and widely used in daily life.

The utility model discloses a theory of operation and use flow: the high-pressure air station 11 generates high-pressure air flow, one part of the high-pressure air flow enters the aeration grids 7 through four electromagnetic valves 12 and four aeration pipes 8 respectively, the sewage in the first aeration cavity 2, the second aeration cavity 3, the third aeration cavity 4 and the fourth aeration cavity 5 is subjected to aeration treatment, the other part of the high-pressure air flow serves as driving force and enters four telescopic air rods 10 to push the four aeration grids 7 to oscillate in the inner cavities of the first aeration cavity 2, the second aeration cavity 3, the third aeration cavity 4 and the fourth aeration cavity 5 along guide rails 6 to stir the sewage flow therein, so that the aeration effect is enhanced, the sewage discharged from the sewage pipe 13 enters the first aeration cavity 2, the sewage enters the second aeration cavity 3 through the first filter screen 14 after primary aeration and corresponding chemical treatment in the first aeration cavity 2, the first filter screen 14 intercepts the impurities in the sewage, and performs secondary chemical treatment in the second aeration cavity 3, then, the water enters the third aeration cavity 4 through the second filter screen 15 to carry out third aeration and third chemical treatment, and finally enters the fourth aeration cavity 5 through the third filter screen 16 to carry out fourth aeration and fourth chemical treatment, so that the purified water meeting the requirement is obtained, and the purified water flows out through the purified water pipe 17.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An aeration tank structure for sewage treatment, which comprises an aeration tank main body (1), and is characterized in that: the aeration tank main body (1) is a rectangular aeration cavity, the inner aeration cavity of the aeration tank main body (1) is separated by a transverse partition plate and a longitudinal partition plate in a staggered way to form a first aeration cavity (2), a second aeration cavity (3), a third aeration cavity (4) and a fourth aeration cavity (5), the corners of the first aeration cavity (2), the second aeration cavity (3), the third aeration cavity (4) and the fourth aeration cavity (5) are vertically fixed with guide rails (6), the first aeration cavity (2), the second aeration cavity (3), the third aeration cavity (4) and the fourth aeration cavity (5) are movably embedded with aeration grids (7) through the guide rails (6) fixed inside, one side of the top ends of the four grid aeration cavities (7) is communicated with an aeration pipe (8), and a T-shaped vertical frame (9) is fixedly installed at the top ends of the transverse partition plate and the longitudinal partition plate in a joint way, the equal fixed mounting in corner on T type grudging post (9) top has flexible gas pole (10), four the equal fixed connection in four of telescopic shaft of flexible gas pole (10) the center of aeration net (7) top surface, the middle part fixed mounting of T type grudging post (9) top surface has high-pressure gas station (11), the top fixed mounting of high-pressure gas station (11) has eight solenoid valve (12), high-pressure gas station (11) are through eight solenoid valve (12) communicate four respectively aeration pipe (8) and four flexible gas pole (10).

2. An aeration tank structure for wastewater treatment according to claim 1, wherein: first aeration chamber (2) intercommunication has sewage pipe (13), first aeration chamber (2) with the top of second aeration chamber (3) handing-over department is equipped with first filter screen (14), second aeration chamber (3) with the handing-over department of third aeration chamber (4) is equipped with second filter screen (15), third aeration chamber (4) with the handing-over department of fourth aeration chamber (5) is equipped with third filter screen (16), fourth aeration chamber (5) intercommunication has clear water pipe (17).

3. An aeration tank structure for wastewater treatment according to claim 1, wherein: the aeration grid (7) comprises a main pipeline (701), ten secondary pipelines (702) which are parallel to each other are communicated with the two sides of the main pipeline (701) in parallel, and aeration holes (703) are formed in the sides of the main pipeline (701) and the secondary pipelines (702) at intervals.

4. An aeration tank structure for wastewater treatment according to claim 1, wherein: the top ends of the first aeration cavity (2), the second aeration cavity (3), the third aeration cavity (4) and the fourth aeration cavity (5) are all provided with a medicament release valve (18), and the bottom ends of the first aeration cavity (2), the second aeration cavity (3), the third aeration cavity (4) and the fourth aeration cavity (5) are all provided with a sediment discharge valve (19).

5. An aeration tank structure for wastewater treatment according to claim 1, wherein: the inner walls of the first aeration cavity (2), the second aeration cavity (3), the third aeration cavity (4) and the fourth aeration cavity (5) are all attached with anticorrosive coatings, and the anticorrosive coatings are stainless steel layers, glass layers, ceramic layers or polyurethane layers.