CN213924189U

CN213924189U - Progressive aeration pipe and sewage treatment structure

Info

Publication number: CN213924189U
Application number: CN202022341167.8U
Authority: CN
Inventors: 谢斌; 曹良松; 袁德伟
Original assignee: Qingzhiyuan Environmental Protection Technology Co Ltd
Current assignee: Qingzhiyuan Environmental Protection Technology Co Ltd
Priority date: 2020-10-20
Filing date: 2020-10-20
Publication date: 2021-08-10
Anticipated expiration: 2030-10-20

Abstract

The utility model discloses a progressive aeration pipe, including first intake pipe, with first intake-tube connection's second intake pipe, install in the aeration equipment of second intake pipe and set up in first intake pipe is kept away from the air inlet unit of second intake pipe one end, the second intake pipe includes body portion and sets up in body portion one end and with first intake-tube connection's air inlet, it is a plurality of aeration equipment follows the length direction of second intake pipe interval in proper order sets up, and follows body portion is provided with the one end to the other end direction of air inlet, it is adjacent interval between the aeration equipment reduces gradually. Compared with the prior art, the utility model provides a gradual aeration pipe, simple structure is reasonable and with COD distribution adaptation, practices thrift the air supply and can avoid excessive aeration. The utility model also provides a sewage treatment structure.

Description

Progressive aeration pipe and sewage treatment structure

Technical Field

The utility model relates to a sewage treatment device technical field especially relates to a gradual aeration pipe and sewage treatment structure.

Background

A large amount of domestic sewage, industrial wastewater and the like are inevitably generated in the processes of human life and production activities, along with the rapid development of the society, a large amount of pollutants are discharged into a water body without proper treatment, so that the water environment is seriously polluted, in recent years, a large amount of funds are invested by national and local governments for pollution treatment of the water environment, wherein the biochemical treatment technology is one of the most main means for treating the domestic sewage and the organic industrial wastewater at present, and the method has the advantages of stable treatment effect, low operation cost and the like and is widely adopted.

Aerobic biochemical treatment is a treatment technology for aerobic degradation and stabilization of organic pollutants by utilizing aerobic microorganisms in an aerobic environment, is the most common technology in domestic sewage and organic industrial wastewater treatment projects at present, and is characterized in that oxygen is often filled into a biochemical tank in an aeration mode of a fan in the application process to provide a required oxygen source for the life activities of the aerobic microorganisms. Meanwhile, in the sewage treatment process, the aeration tank is the core of the sewage secondary treatment process and is also the key of the energy consumption of a sewage treatment facility, so how to achieve the purposes of not influencing the aeration effect, saving energy and reducing consumption needs a more scientific aeration process.

At present, the traditional aeration modes are uniform aeration, the fact that COD is distributed unevenly in an aeration tank, particularly a large aeration tank, is ignored, the waste of an air source is caused, meanwhile, excessive aeration easily causes sludge aging, and the effluent effect is reduced.

Therefore, it is necessary to provide a progressive aeration pipe and a sewage treatment structure which have a simple and reasonable structure, are adaptive to the distribution of COD, save air sources and can avoid over-aeration.

SUMMERY OF THE UTILITY MODEL

To the deficiency that prior art exists, the utility model aims to provide a simple structure is reasonable and with COD distribution adaptation, practice thrift the air supply and can avoid excessive aeration's gradual aeration pipe and sewage treatment structure.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a progressive aeration pipe, including first intake pipe, with first intake-tube connection's second intake pipe, install in the aeration equipment of second intake pipe and set up in first intake pipe is kept away from the air inlet unit of second intake pipe one end, the second intake pipe include the somatic part portion and set up in somatic part one end and with the air inlet of first intake-tube connection, it is a plurality of aeration equipment follows the length direction of second intake pipe sets gradually at an interval, and follows the somatic part is provided with the one end to the other end direction of air inlet, it is adjacent interval between the aeration equipment reduces gradually.

Preferably, the aeration device comprises a first tubular aerator and a second tubular aerator arranged at an interval with the first tubular aerator, the interval between the first tubular aerator and the second tubular aerator is equal to the interval between the second tubular aerator and the first tubular aerator of the adjacent aeration device, and the interval between the first tubular aerator and the second tubular aerator is gradually reduced along the direction from one end of the pipe body part, at which the air inlet is arranged, to the other end.

Preferably, the number of the aeration devices corresponds to the size of the purification tank and the amount of treated water, and the distance between the first tubular aerator and the second tubular aerator is gradually reduced along the direction from one end of the pipe body part, at which the air inlet is provided, to the other end of the pipe body part.

Preferably, the number of the second air inlet pipes is multiple, and the intervals between the adjacent second air inlet pipes are equal.

Preferably, the air inlet device is a high-pressure fan.

Preferably, the material of the aeration device is PVC, HDPE, ceramic or corundum.

The utility model provides a sewage treatment structure, includes sewage purification pond, the subassembly of intaking and as aforementioned arbitrary progressive aeration pipe, the second intake pipe is laid in sewage purification pond's bottom of the pool, the subassembly of intaking include with bottom of the pool looks vertically inlet tube and set up in the inlet tube is close to the nozzle of bottom of the pool one end, the nozzle is followed the barrel portion is provided with the one end to the other end direction jet stream of air inlet.

Preferably, the water inlet pipe is arranged close to the air inlet.

Preferably, the sewage treatment structure still includes and is close to the second intake pipe is kept away from air inlet one end set up in monitor in the sewage purification pond and with monitor communication connection's controller, the monitor sets up the required DO parameter of purification pond, through controller control air inlet unit opens and stops.

In summary, compared with the prior art, the progressive aeration pipe provided by the utility model has the advantages that the plurality of aeration devices are arranged at intervals along the length direction of the second air inlet pipe in sequence, and the direction from one end of the pipe body part, which is provided with the air inlet, to the other end is arranged along the pipe body part, the interval between the adjacent aeration devices is gradually reduced, and the dissolved oxygen concentration gradient is matched with the actual oxygen consumption in the aeration tank, so that the purposes of energy conservation and consumption reduction are achieved; meanwhile, stronger local airflow disturbance is formed in the aeration tank, so that the filler flows from a disturbed high-intensity area to a low-intensity area.

Drawings

FIG. 1 is a schematic plan view of a sewage treatment structure provided by the present invention;

fig. 2 is an interactive diagram of the sewage treatment structure provided by the utility model.

In the figure, 100, a progressive aeration pipe; 10. a first intake pipe; 20. a second intake pipe; 21. a body portion; 22. an air inlet; 30. an aeration device; 31. a first tubular aerator; 32. a second tubular aerator; 40. an air intake device; 200. a sewage treatment structure; 50. a sewage purification tank; 60. a water intake assembly; 61. a water inlet pipe; 62. a nozzle; 70. a monitor; 80. and a controller.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples. The following experimental examples and examples are intended to further illustrate but not limit the invention.

Referring to fig. 1 and 2, the present invention provides a progressive aeration pipe 100, wherein the progressive aeration pipe 100 includes a first air inlet pipe 10, a second air inlet pipe 20 connected to the first air inlet pipe 10, an aeration device 30 installed in the second air inlet pipe 20, and an air inlet device 40 installed at one end of the first air inlet pipe 10 far from the second air inlet pipe 20.

The second air inlet pipe 20 includes a pipe body 21 and an air inlet 22 opened at one end of the pipe body 21 and connected to the first air inlet pipe 10. Wherein a plurality of the aeration devices 30 are sequentially arranged at intervals along the length direction of the second air inlet pipe 20, and the intervals between the adjacent aeration devices 30 are gradually reduced along the direction from one end of the pipe body 21, where the air inlet 22 is arranged, to the other end.

Preferably, the number of the second air inlet pipes 20 is multiple, and the intervals between the adjacent second air inlet pipes 20 are equal.

The aeration apparatus 30 includes a first pipe aerator 31 and a second pipe aerator 32 spaced apart from the first pipe aerator 31. Wherein the distance between the first tube aerator 31 and the second tube aerator 32 is equal to the distance between the second tube aerator 32 and the first tube aerator 31 adjacent to the aeration apparatus 30, and the distance between the first tube aerator 31 and the second tube aerator 32 is gradually decreased along the direction from one end of the pipe body 21 where the air inlet 22 is provided to the other end.

It should be noted that, after the progressive aeration pipe 100 is placed in the aeration tank, the Oxygen consumption is different due to the fact that the Chemical Oxygen Demand (COD) of the aeration tank has a concentration gradient in implementation, that is, the Oxygen consumption in the high COD region is high, and the Oxygen consumption in the second COD region is low, so that the progressive structure combines the fact that the dissolution concentration gradient is adapted according to the actual Oxygen consumption, thereby achieving the purpose of saving energy and reducing consumption, and meanwhile, a stronger local air flow disturbance is formed in the aeration tank, so that the filler flows from the disturbed high-strength region to the low-strength region.

The number of the aeration apparatuses 30 corresponds to the size of the purification tank and the amount of the treated water, and the distance between the first tubular aerator 31 and the second tubular aerator 32 is gradually reduced from one end of the pipe body 21 where the air inlet 22 is provided to the other end.

Specifically, in the present embodiment, the number of the aeration apparatuses 30 is three, and the distances between the first tube aerator 31 and the second tube aerator 32 are 14cm, 10.5cm, and 7cm, respectively, in the direction from one end of the pipe body 21, at which the air inlet 22 is provided, to the other end thereof.

Preferably, the material of the aeration device 30 is PVC, HDPE, ceramic or corundum.

The air intake device 40 is configured to supply air into the first intake pipe 10. Preferably, in the present embodiment, the air intake device 40 is a high pressure fan.

The utility model also provides a sewage treatment structure 200, sewage treatment structure 200 includes sewage purification pond 50, subassembly 60 that intakes, like aforementioned progressive aeration pipe 100, is close to second intake pipe 20 keeps away from air inlet 22 one end set up in monitor 70 in sewage purification pond 50 and with monitor 70 communication connection's controller 80. Wherein the controller 80 is electrically connected to the air intake device 40.

Specifically, the second air inlet pipe 20 is laid at the bottom of the sewage purification tank 50.

The water inlet assembly 60 comprises a water inlet pipe 61 perpendicular to the bottom of the tank and a nozzle 62 arranged at one end of the water inlet pipe 61 close to the bottom of the tank. The nozzle 62 sprays water in a direction from one end of the body portion 21 where the air inlet 22 is provided to the other end. The biochemical treatment efficiency is further improved by arranging the nozzle 62 so that the spraying direction of the nozzle 62 is opposite to the movement direction of the upper-layer filler in the aeration tank.

Preferably, the water inlet pipe 61 is disposed adjacent to the air inlet 22.

The monitor 70 is used for monitoring dissolved oxygen data and transmitting the dissolved oxygen data to the controller 80, and the controller 80 regulates and controls the on-off of the air inlet device 40 according to the dissolved oxygen data. Specifically, in the present embodiment, the air intake device 40 is turned on when the monitor 70 monitors that the terminal dissolved oxygen concentration is lower than 0.5mg/L, and the air intake device 40 is turned off when the monitor 70 monitors that the terminal dissolved oxygen concentration is higher than 1.5 m/L. Of course, the above-mentioned dissolved oxygen value of the controller 80 can be adjusted according to actual needs, and all are within the protection scope of the present invention.

Meanwhile, the monitor 70 sets the DO parameter required for the purification tank, and controls the air inlet device 40 to be turned on and off by the controller 80.

Compared with the prior art, the progressive aeration pipe provided by the utility model has the advantages that the plurality of aeration devices are arranged at intervals along the length direction of the second air inlet pipe in sequence, and the direction from one end of the pipe body part provided with the air inlet to the other end is arranged, so that the interval between the adjacent aeration devices is gradually reduced, and the interval is matched with the actual oxygen consumption in the aeration tank to form the dissolved oxygen concentration gradient, thereby achieving the purposes of energy conservation and consumption reduction; meanwhile, stronger local airflow disturbance is formed in the aeration tank, so that the filler flows from a disturbed high-intensity area to a low-intensity area.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various improvements and modifications can be made without departing from the principle of the present invention, and these improvements and modifications should be construed as the scope of the present invention.

Claims

1. The progressive aerator comprises a first air inlet pipe, a second air inlet pipe connected with the first air inlet pipe, an aerator arranged in the second air inlet pipe and an air inlet device arranged at one end of the first air inlet pipe, wherein the air inlet device is far away from one end of the second air inlet pipe, the second air inlet pipe comprises a pipe body part and an air inlet arranged at one end of the pipe body part and connected with the first air inlet pipe, and the progressive aerator is characterized in that the aerator is sequentially arranged at intervals along the length direction of the second air inlet pipe, and is adjacent to the other end direction of the pipe body part close to the air inlet, and the interval between the aerators is gradually reduced.

2. The progressive aerator of claim 1 wherein the aeration device comprises a first tubular aerator and a second tubular aerator spaced from the first tubular aerator, the first tubular aerator and the second tubular aerator being spaced apart by a distance equal to the distance between the second tubular aerator and the first tubular aerator of an adjacent aeration device.

3. The progressive aeration tube of claim 2, wherein the number of aeration devices corresponds to the size of a purification tank and the amount of treated water.

4. The progressive aeration tube of any one of claims 1 to 3, wherein the number of the second air inlet pipes is plural, and the intervals between the adjacent second air inlet pipes are equal.

5. The progressive aerator of claim 4 wherein the air inlet means is a high pressure blower.

6. The progressive aeration tube of claim 4, wherein the material of the aeration device is PVC, HDPE, ceramic, or corundum.

7. A sewage treatment structure, characterized by comprising a sewage purification tank, a water inlet assembly and the progressive aeration pipe of any one of claims 1 to 5, wherein the second air inlet pipe is laid at the bottom of the sewage purification tank, the water inlet assembly comprises a water inlet pipe perpendicular to the bottom of the tank and a nozzle arranged at one end of the water inlet pipe close to the bottom of the tank, and the nozzle sprays water flow along the pipe body part from one end of the air inlet to the other end.

8. The sewage treatment structure of claim 7 wherein the water inlet pipe is disposed adjacent to the air inlet.

9. The sewage treatment structure of claim 7, further comprising a monitor disposed in the sewage purification tank near the end of the second air inlet pipe far from the air inlet, and a controller in communication with the monitor, wherein the monitor sets DO parameters required by the purification tank, and the controller controls the air inlet device to be turned on or off.