CN219117258U

CN219117258U - Biochemical reaction tank for sewage treatment aerobic section

Info

Publication number: CN219117258U
Application number: CN202320156763.XU
Authority: CN
Inventors: 张平; 杨学清; 王占发
Original assignee: Ningxia Shuitou Zhongning Water Affairs Co ltd
Current assignee: Ningxia Shuitou Zhongning Water Affairs Co ltd
Priority date: 2023-02-08
Filing date: 2023-02-08
Publication date: 2023-06-02
Anticipated expiration: 2033-02-08

Abstract

The utility model discloses a biochemical reaction tank for an aerobic section of sewage treatment, which comprises a tank body, an air pump, air pipes, branch pipes and an aeration head, wherein the air pump is used for conveying air to each branch pipe through the air pipes and spraying the air to the tank body through the aeration head, the branch pipes are detachably connected with the air pipes through threads, an aeration layer is arranged in the tank body, the air pipes penetrate through the aeration layer to the bottom of the aeration layer, the aeration layer is provided with perforations which are larger than the aeration head, the aeration head can penetrate through the perforations, the outer sides of the branch pipes are provided with sealing rings capable of sealing the perforations, aeration grooves are arranged in the aeration layer and are distributed at equal intervals, and partition walls are arranged in the tank body and divide the tank body into an aeration tank and a maintenance tank. The sewage treatment aerobic section biochemical reaction tank is contacted with the upward-floating oxygen again in the sewage circulation movement process, so that secondary aeration is realized, the aeration efficiency is increased, the contact time of the oxygen and water is prolonged, and the dissolution efficiency of the oxygen and the water is improved.

Description

Biochemical reaction tank for sewage treatment aerobic section

Technical Field

The utility model relates to a biochemical reaction tank for an aerobic section of sewage treatment.

Background

One of the most critical processes for sewage treatment is as follows: the COD of sewage is reduced by aerobic bacteria in an aerobic tank, and since the bacteria are aerobic bacteria, enough oxygen is needed for living in water (of course, the dissolved oxygen level in the water needs to be in a reasonable range), and air is usually mixed into the sewage to be treated through an aerator.

Aeration is a means for making air and water strongly contact, and aims to dissolve oxygen in the air into the water or release unnecessary gas and volatile substances in the water into the air, so that the oxygen floats up in the water, the contact time is short, the oxygen cannot be effectively dissolved in the water, and the pool water can only perform billowing through aeration, and the pool water cannot perform cyclic aeration, so that a reaction pool capable of prolonging the contact time of the oxygen and the water and improving the dissolution efficiency of the oxygen and the water is needed.

Disclosure of Invention

The utility model aims to provide a biochemical reaction tank for an aerobic section of sewage treatment so as to solve the problems in the background technology.

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

the utility model provides a biochemical reaction tank of good oxygen section of sewage treatment, includes cell body, air pump, trachea, branch pipe and aeration head, the air pump is carried each branch pipe and is spouted to the cell body through the aeration head with gas through the trachea, and the branch pipe passes through the screw thread with the trachea and can dismantle the connection, the inside of cell body is provided with the aeration layer, and the trachea runs through the bottom of aeration layer to the aeration layer.

As still further aspects of the utility model: the aeration layer is provided with perforations which are larger than the aeration head, so that the aeration head can penetrate through the perforations, and the outer side of the branch pipe is provided with a sealing ring capable of sealing the perforations.

As still further aspects of the utility model: the aeration layer is internally provided with aeration tanks which are distributed at equal intervals.

As still further aspects of the utility model: the device is characterized in that a partition wall is arranged in the tank body, the tank body is partitioned into an aeration tank and a maintenance tank by the partition wall, one side of the aeration layer is sealed with the tank body, a gap is arranged between the other side of the aeration layer and the tank body, and a water pushing device is arranged on one sealed side of the aeration layer and the tank body.

As still further aspects of the utility model: an inclined filter screen is arranged at the top of the aeration layer.

As still further aspects of the utility model: the water pushing device is arranged in the maintenance pool and comprises a water inlet pipe, a water pump and a venturi tube, the water inlet pipe is communicated with the aeration pool, the water inlet pipe is positioned above the aeration layer, the venturi tube is communicated with the water pump, and the venturi tube is communicated with the aeration pool and is positioned below the aeration layer.

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

this good oxygen section biochemical reaction pond of sewage treatment, oxygen receive the aeration layer in the water come-up in-process and stop, and sewage can not only contact with the aeration head in the circulation in-process, but also contact with the oxygen that the aeration layer bottom stopped simultaneously, and oxygen contacts with sewage again through the come-up in the aeration tank and dissolves, and venturi in the pushing away the water device is to the oxygen of annotating again in the sewage, increases the aeration volume, prolongs the contact time of oxygen and water, improves oxygen and water dissolution efficiency.

Drawings

FIG. 1 is a schematic diagram of a biochemical reaction tank in an aerobic section of sewage treatment;

FIG. 2 is a schematic diagram of a filter screen in a biochemical reaction tank of an aerobic section of sewage treatment;

FIG. 3 is a schematic diagram of the structure of an aeration layer in a biochemical reaction tank of an aerobic section of sewage treatment;

FIG. 4 is a schematic diagram of the structure of a water pump in a biochemical reaction tank of an aerobic section of sewage treatment.

In the figure: 1. a cell body; 2. an air pump; 3. an air pipe; 4. a branch pipe; 5. partition walls; 6. a water inlet pipe; 7. sealing rings; 8. an aeration layer; 9. a filter screen; 10. an aeration tank; 11. an aeration head; 12. a water pump; 13. a venturi tube; 14. and (5) perforating.

Detailed Description

Referring to fig. 1 to 3, in the embodiment of the utility model, an aerobic biochemical reaction tank for sewage treatment comprises a tank body 1, an air pump 2, an air pipe 3, branch pipes 4 and an aeration head 11, wherein the air pump 2 conveys air to each branch pipe 4 through the air pipe 3 and sprays the air to the tank body 1 through the aeration head 11, the branch pipes 4 are detachably connected with the air pipe 3 through threads, an aeration layer 8 is arranged in the tank body 1, the air pipe 3 penetrates through the aeration layer 8 to the bottom of the aeration layer 8, the aeration layer 8 can prevent aeration from floating, the time of oxygen in water is prolonged, and the dissolution efficiency of the oxygen in water is improved.

In a preferred embodiment, the aeration layer 8 is provided with perforations 14, the perforations 14 are larger than the aeration head 11, so that the aeration head 11 can penetrate through the perforations 14, the outer side of the branch pipe 4 is provided with a sealing ring 7 capable of sealing the perforations 14, the aeration head 11 belongs to consumables, and after a period of use, maintenance, cleaning and replacement are needed, so that the perforations 14 are provided, during installation and disassembly, the aeration head 11 can pass through the perforations 14, after the aeration head 11 moves to the bottom, the sealing ring 7 just seals the perforations 14, and meanwhile, the sealing ring 7 and the perforations 14 also have a certain fixing effect, so that the swinging of the branch pipe 4 caused by the water circulation process can be reduced.

In a preferred embodiment, the aeration layer 8 is internally provided with aeration tanks 10, the aeration tanks 10 are equidistantly distributed, the width of the aeration tanks 10 is one centimeter, and oxygen can be gathered in the aeration tanks 10 and float upwards to be dispersed into water.

In a preferred embodiment, a partition wall 5 is arranged in the tank body 1, the partition wall 5 divides the tank body 1 into an aeration tank and a maintenance tank, one side of the aeration layer 8 is sealed with the tank body 1, a gap is arranged between the other side of the aeration layer and the tank body 1, a water pushing device is arranged on one sealed side of the aeration layer 8 and the tank body 1, sewage inside the aeration tank is blocked by the partition wall 5, and the water pushing device is arranged inside the maintenance tank, so that the maintenance is convenient.

In a preferred embodiment, the aeration layer 8 is provided with an inclined screen 9 on top, and the screen 9 can filter large particle impurities while blocking foam.

In a preferred embodiment, the water pushing device is arranged in the maintenance pool, the water pushing device comprises a water inlet pipe 6, a water pump 12 and a venturi tube 13, the water inlet pipe 6 is communicated with the aeration pool, the water inlet pipe 6 is positioned above the aeration layer 8, the water inlet pipe 6 is communicated with the venturi tube 13 through the water pump 12, the venturi tube 13 is communicated with the aeration pool and positioned below the aeration layer 8, the venturi tube 13 is in the prior art, and the top part can realize aeration by arranging an air regulating valve to form venturi tube oxygen inhalation.

The working principle of the utility model is as follows: the air pump 2 conveys air to each branch pipe 4 through the air pipes 3 and sprays the air into the tank body 1 through the aeration heads 11, oxygen is blocked by the aeration layer 8 in the water floating process and adsorbed to the bottom of the aeration layer 8, the water pump 12 pushes water flow to circulate, sewage is dissolved with oxygen through the aeration heads 11 in the circulating process, so that the oxygen can be contacted with excessive sewage, the oxygen at the bottom of the aeration layer 8 is driven to dissolve into water, part of the oxygen which cannot be dissolved is converged into the aeration tank 10, the aeration tank 10 floats upwards, the sewage at the moment circulates to the top of the aeration layer 8 through a gap between the aeration layer 8 and the tank body 1, the sewage is contacted with the floating oxygen again in the circulating movement process of the sewage, so that secondary aeration is realized, the aeration efficiency is increased, the contact time of the oxygen and the water is prolonged, and the dissolution efficiency of the oxygen and the water is improved;

when sewage passes through the water pump 12 and the venturi tube 13 through the water inlet pipe 6, the venturi tube 13 re-injects oxygen into the sewage to increase aeration.

It should be noted that, the foregoing embodiments all belong to the same inventive concept, and the descriptions of the embodiments have emphasis, and where the descriptions of the individual embodiments are not exhaustive, reference may be made to the descriptions of the other embodiments.

The foregoing examples merely illustrate embodiments of the utility model and are described in more detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims

1. The utility model provides a sewage treatment aerobic section biochemical reaction pond, includes cell body (1), air pump (2), trachea (3), branch pipe (4) and aeration head (11), air pump (2) are carried each branch pipe (4) and are spouted in cell body (1) through aeration head (11) with gas through trachea (3), and branch pipe (4) are connected through the screw thread can be dismantled with trachea (3), a serial communication port, the inside of cell body (1) is provided with aeration layer (8), and trachea (3) run through aeration layer (8) to aeration layer (8) bottom.

2. The biochemical reaction tank of the aerobic section for sewage treatment according to claim 1, wherein the aeration layer (8) is provided with perforations (14), the perforations (14) are larger than the aeration heads (11), the aeration heads (11) can penetrate through the perforations (14), and a sealing ring (7) capable of sealing the perforations (14) is arranged on the outer side of the branch pipe (4).

3. The biochemical reaction tank for the aerobic section of sewage treatment according to claim 1, wherein the aeration layer (8) is internally provided with aeration tanks (10), and the aeration tanks (10) are equidistantly distributed.

4. The biochemical reaction tank of the aerobic section for sewage treatment according to claim 1, wherein a partition wall (5) is arranged in the tank body (1), the tank body (1) is partitioned into an aeration tank and a maintenance tank by the partition wall (5), one side of the aeration layer (8) is sealed with the tank body (1), a gap is arranged between the other side of the aeration layer and the tank body (1), and a water pushing device is arranged on one sealed side of the aeration layer (8) and the tank body (1).

5. The biochemical reaction tank for the aerobic section of sewage treatment according to claim 4, wherein the top of the aeration layer (8) is provided with an inclined filter screen (9).

6. The biochemical reaction tank of the aerobic section for sewage treatment according to claim 4, wherein the water pushing device is arranged in the overhaul tank and comprises a water inlet pipe (6), a water pump (12) and a venturi tube (13), the water inlet pipe (6) is communicated with the aeration tank, the water inlet pipe (6) is positioned above the aeration layer (8), the venturi tube (13) is communicated with the water inlet pipe (6) through the water pump (12), and the venturi tube (13) is communicated with the aeration tank and is positioned below the aeration layer (8).