CN220887181U

CN220887181U - Biochemical pond aeration equipment

Info

Publication number: CN220887181U
Application number: CN202322117218.2U
Authority: CN
Inventors: 王建; 张先鹏; 于国祥; 边正伟
Original assignee: Shandong Langhui Grand Pacific Petrochemical Co
Current assignee: Shandong Langhui Grand Pacific Petrochemical Co
Priority date: 2023-08-08
Filing date: 2023-08-08
Publication date: 2024-05-03
Anticipated expiration: 2033-08-08

Abstract

The utility model provides an aeration device of a biochemical tank, which comprises a first aeration unit and an aeration source for providing gas for the first aeration unit, wherein the first aeration unit comprises a main aeration pipe and a plurality of aeration branch pipes communicated with the main aeration pipe, the end part of each aeration branch pipe is connected with two aeration output pipes, the two aeration output pipes at the end part of each aeration branch pipe are distributed by taking the axis of each aeration branch pipe as a symmetrical axis, a preset included angle exists between the axes of the two aeration output pipes at the end part of each aeration branch pipe, and the value range of the preset included angle is 60-120 degrees. The biochemical tank aeration device is provided with a plurality of aeration branch pipes, the end part of each aeration branch pipe is provided with two aeration output pipes, the two aeration output pipes form a certain included angle, and gas is released into the biochemical tank through the aeration output pipes, so that effective oxygenation is realized.

Description

Biochemical pond aeration equipment

Technical Field

The utility model relates to the technical field of sewage treatment, in particular to an aeration device of a biochemical tank.

Background

The aerobic biochemical process of the traditional sewage treatment enterprise generally adopts a Roots blower or a suspension blower as an aeration source, the whole biochemical tank is oxygenated through an aeration pipeline at the lower part of the water tank, and the start-stop number or frequency of the aeration blower is adjusted by controlling the end dissolved oxygen. When biochemical load rises in a short period or is impacted by the load, when an aeration pipeline is limited, the Roots blower or the suspension blower can not be started at the same time due to the fact that the outlet pressure is too high, biochemical oxygenation is finally affected, and the biochemical effluent COD index cannot be guaranteed. Chemical enterprises are generally continuous production, and once the sewage treatment at the rear end does not reach the standard, the operation of the whole set of device is directly affected, and the device can only be forced to reduce the yield or stop. Accordingly, the prior art is subject to further development.

Disclosure of utility model

The utility model aims to overcome the technical defects and provide an aeration device for a biochemical tank, so as to solve the technical problem that an aeration pipeline in the related art cannot realize effective oxygenation.

In order to achieve the technical purpose, the utility model adopts the following technical scheme: the utility model provides a biochemical pond aeration equipment, include first aeration unit and provide gaseous aeration source for first aeration unit, first aeration unit include main aeration pipe, a plurality of aeration branch pipes with main aeration pipe intercommunication, every aeration branch pipe end connection two aeration output tubes, respectively two aeration output tubes of aeration branch pipe tip use the axis of aeration branch pipe to distribute as the symmetry axis, respectively there is the default contained angle between the axis of two aeration output tubes of aeration branch pipe tip, the value range of default contained angle is 60 to 120.

Further, holes are arranged on the pipe wall of the aeration output pipe, so that the gas in the aeration output pipe is released to the biochemical tank through the holes.

Further, the holes are multiple, and the holes are arranged along the extending direction of the aeration output pipe.

Further, the plurality of holes are arranged in two rows along the extending direction of the aeration output pipe.

Further, the air outlet direction of the holes of the aeration output pipe faces to the bottom of the biochemical tank.

Further, the included angle between the two aeration output pipes at the end part of the aeration branch pipe is 90 degrees.

Further, a plurality of aeration branch pipes are respectively and mutually perpendicular to the main aeration pipe, and the adjacent aeration branch pipes are arranged at intervals of 2-3 meters.

Further, the number of the aeration branch pipes is 12.

Further, the aeration device of the biochemical tank further comprises a second aeration unit, an aeration port of the second aeration unit is positioned at the bottom of the biochemical tank, and the air outlet direction of the aeration port faces to the upper part of the biochemical tank.

Further, the first aeration unit and the second aeration unit are provided with gas by an aeration source, and the aeration source is a suspension fan and/or a Roots blower.

The beneficial effects are that:

1. The biochemical tank aeration device is provided with a plurality of aeration branch pipes, and two aeration output pipes are arranged at the end part of each aeration branch pipe and form a certain included angle, so that effective oxygenation is realized.

2. Two rows of holes are arranged on the aeration output pipe, and the gas in the aeration output pipe is released by 45 degrees in an inclined way towards the bottom of the biochemical tank through the holes.

3. The first aeration unit and the second aeration unit are combined for aeration to control the dissolved oxygen at the biochemical tail end more stably, stabilize the biochemical environment, and can be used for avoiding the reduction of the oxygenation efficiency caused by the limitation of an aeration pipeline when the aerobic biochemical tank is impacted, thereby ensuring the treatment efficiency of the biochemical tank.

Drawings

FIG. 1 is a schematic diagram of the structure of an aeration apparatus for a biochemical tank according to the present utility model.

Wherein the above figures include the following reference numerals:

1. a biochemical pool; 21. a main aerator pipe; 22. an aeration branch pipe; 23. an aeration output pipe; 3. a second aeration unit; 31. an aeration port; 4. roots blower; 5. a suspension fan; alpha, presetting an included angle.

Detailed Description

In order that those skilled in the art will better understand the present application, a technical solution in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present application without making any inventive effort, shall fall within the scope of the present application.

According to an embodiment of the present utility model, there is provided an aeration device for a biochemical tank, including a first aeration unit and an aeration source for providing gas for the first aeration unit, where the first aeration unit includes a main aeration pipe 21 and a plurality of aeration branch pipes 22 communicating with the main aeration pipe 21, each aeration branch pipe 22 has an end portion connected with two aeration output pipes 23, the two aeration output pipes 23 at the end portion of each aeration branch pipe 22 are distributed with axes of the aeration branch pipe 22 as symmetry axes, and a preset included angle α exists between axes of the two aeration output pipes 23 at the end portion of each aeration branch pipe 22, and a value range of the preset included angle α is 60 ° to 120 °. The aeration device of the biochemical tank 1 is provided with a plurality of aeration branch pipes 22, and the end part of each aeration branch pipe 22 is provided with two aeration output pipes 23, and the two aeration output pipes 23 are arranged at a certain included angle to realize effective oxygenation.

Holes are arranged on the pipe wall of the aeration output pipe 23 so that the gas in the aeration output pipe 23 is released to the biochemical tank 1 through the holes. The gas is released to the biochemical tank 1 through the holes, so that gas-liquid multipoint contact is realized, and the gas-liquid flowing resistance is smaller, so that the oxygenation is more effective.

The holes on the pipe wall of the aeration output pipe 23 are multiple, the multiple holes are arranged along the extending direction of the aeration output pipe 23, the multiple holes are arranged in two rows along the extending direction of the aeration output pipe 23, and the air outlet direction of the holes of the aeration output pipe 23 faces the bottom of the biochemical tank 1. The holes simultaneously release gas to the biochemical tank 1, the gas in the aeration output pipe 23 is released towards the bottom of the biochemical tank 1, and bubbles are cut by using the resistance of water, so that the oxygenation effect is improved.

Further, the angle between the two aeration output pipes 23 at the end of the aeration branch pipe 22 is 90 °. That is to say, the two aeration output pipes 23 are respectively arranged at an angle of 45 degrees with the axis of the aeration branch pipe 22, at this time, the holes of the aeration output pipes 23 face the bottom of the biochemical tank 1 at an angle of 45 degrees, and the gas is released to the bottom of the biochemical tank 1 at an angle of 45 degrees through the holes, so that the air bubbles are further cut by using the resistance of water, and the oxygenation effect is improved.

The aeration branch pipes 22 are respectively and mutually perpendicular to the main aeration pipe 21, the distance between every two adjacent aeration branch pipes 22 is 2-3 meters, the number of the aeration branch pipes 22 is 12, and 12 aeration branch pipes 22 are arranged in the biochemical tank 1 in a dispersing way, so that the biochemical tank 1 is ensured to uniformly oxygenate, and the oxygenation efficiency is improved.

The aeration device of the biochemical tank 1 further comprises a second aeration unit 3, wherein an aeration opening 31 of the second aeration unit 3 is positioned at the bottom of the biochemical tank 1, and the air outlet direction of the aeration opening 31 faces to the upper part of the biochemical tank 1. The first aeration unit and the second aeration unit 3 are combined for aeration, so that dissolved oxygen at the biochemical tail end can be controlled more stably, the biochemical environment is stabilized, and when the problem that the aerobic biochemical tank 1 is impacted is solved, the oxygenation efficiency is prevented from being reduced due to the limitation of an aeration pipeline, and the treatment efficiency of the biochemical tank 1 is further ensured.

The first aeration unit and the second aeration unit 3 are provided with gas by an aeration source, and the aeration source is a suspension fan 5 and/or a Roots blower 4.

Example 1

The suspension fan 5 and the Roots fan 4 are common aeration sources, the second aeration unit 3 is connected with the suspension fan 5 and the Roots fan 4, the aeration openings 31 of the second aeration unit 3 are multiple, the aeration openings 31 are positioned at the bottom of the biochemical tank 1, gas in the pipeline of the second aeration unit 3 is released upwards from the bottom of the biochemical tank 1 through the aeration openings 31, the main aeration pipe 21 of the second aeration unit 3 is connected with the second aeration unit 3, the gas provided by part of the suspension fan 5 and the Roots fan 4 is conveyed to the main aeration pipe 21, the main aeration pipe 21 is vertically connected with 12 aeration branch pipes 22, two aeration output pipes 23 are connected to each aeration branch pipe 22, the two aeration output pipes 23 are respectively arranged at an angle of 45 degrees with the axis of the aeration branch pipe 22, the gas is released to the bottom of the biochemical tank 1 through two rows of holes of the aeration output pipes 23 at an angle of 45 degrees, and the gas is cut into bubbles by using water resistance during aeration, so that the oxygenation effect is improved.

Many other changes and modifications may be made without departing from the spirit and scope of the utility model. It is to be understood that the utility model is not to be limited to the specific embodiments, but only by the scope of the appended claims.

Claims

1. The utility model provides a biochemical pond aeration equipment, its characterized in that includes first aeration unit and provides the aeration source of gas for first aeration unit, and first aeration unit includes main aeration pipe, a plurality of aeration branch pipes of main aeration pipe intercommunication, every aeration branch pipe end connection two aeration output tubes, respectively two aeration output tubes of aeration branch pipe end use the axis of aeration branch pipe to be the symmetry axis distribution, respectively there is the default contained angle between the axis of two aeration output tubes of aeration branch pipe end, the value range of default contained angle is 60 ~ 120.

2. The aeration device for the biochemical tank according to claim 1, wherein holes are formed in the pipe wall of the aeration output pipe, so that the gas in the aeration output pipe is released to the biochemical tank through the holes.

3. The apparatus according to claim 2, wherein the plurality of holes are provided along the extending direction of the aeration output pipe.

4. A biochemical tank aeration device according to claim 3, wherein said plurality of holes are arranged in two rows along the extending direction of the aeration output pipe.

5. The biochemical tank aeration device according to claim 4, wherein the air outlet direction of the holes of the aeration output pipe is toward the bottom of the biochemical tank.

6. The biochemical tank aeration device according to claim 1, wherein an included angle between two aeration output pipes at the end of the aeration branch pipe is 90 °.

7. The biochemical tank aeration device according to claim 1, wherein the plurality of aeration branches are respectively arranged perpendicular to the main aeration pipe, and the adjacent aeration branches are arranged at intervals of 2-3 meters.

8. The biochemical tank aeration device according to claim 7, wherein the number of the aeration branches is 12.

9. The biochemical tank aeration device according to claim 1, further comprising a second aeration unit, wherein an aeration port of the second aeration unit is positioned at the bottom of the biochemical tank, and an air outlet direction of the aeration port faces to the upper part of the biochemical tank.

10. The biochemical tank aeration device according to claim 9, wherein the aeration source supplies gas to the first aeration unit and the second aeration unit, and the aeration source is a suspension fan and/or a roots fan.