CN216946401U

CN216946401U - Sequencing batch sewage treatment device

Info

Publication number: CN216946401U
Application number: CN202122419790.5U
Authority: CN
Inventors: 孙正甫
Original assignee: Yangzhou Qingqing Environmental Protection Complete Equipment Co ltd
Current assignee: Yangzhou Qingqing Environmental Protection Complete Equipment Co ltd
Priority date: 2021-10-08
Filing date: 2021-10-08
Publication date: 2022-07-12
Anticipated expiration: 2031-10-08

Abstract

Sequencing batch sewage treatment plant. Relates to the technical field of sewage treatment equipment. Has reasonable structure, can effectively improve the aeration effect and ensure the reliable treatment. The device comprises a treatment tank, wherein a water inlet, a water outlet and a sewage discharge outlet are formed in the outer wall of the treatment tank, a carrier placing frame and an aeration mechanism are arranged in the treatment tank, the aeration mechanism comprises a plurality of first aeration heads and a second aeration head, the first aeration heads are arranged on a support platform at intervals and face the upper part of the treatment tank, a cavity is formed in the support platform, and the cavity is communicated with a first air inlet pipe and the first aeration heads; the bottom of the supporting table is fixedly provided with a rotating shaft, the bottom of the treatment tank is provided with a bearing seat, the rotating shaft is inserted in the bearing seat, the rotating shaft is provided with a plurality of blades, and the second aeration head is communicated with the second air inlet pipe, is close to and faces the blades.

Description

Sequencing batch sewage treatment device

Technical Field

The utility model relates to the technical field of sewage treatment equipment, in particular to a sequencing batch sewage treatment device.

Background

With the rapid development of the sewage treatment industry in China, the requirement on the total nitrogen of the effluent is increasingly strict, and more new technologies are applied to the field of sewage treatment. Among a plurality of sewage treatment technologies, the Sequencing Batch Reactor (SBR) sewage treatment technology has many advantages, has a good treatment effect on nitrogen and phosphorus, and is more and more widely applied to sewage treatment in recent years.

The SBR working process is operated according to time sequence, and one operation process comprises five stages: water feeding, reaction, precipitation, decanting and standing. In the operation process of SBR, the operation time of each stage, the change of the volume of the mixed liquid in the reactor, the operation state and the like can be flexibly changed according to the specific sewage property, the effluent quality, the operation function requirement and the like.

The aeration mechanism in the prior sequencing batch sewage treatment device is only a plurality of aeration discs communicated with the air pipe, has aeration dead angles and poor aeration effect.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the sequencing batch sewage treatment device provided by the utility model has a reasonable structure, can effectively improve the aeration effect and ensures reliable treatment.

The utility model is realized by adopting the following technical scheme: the sequencing batch sewage treatment device comprises a treatment tank, wherein a water inlet, a water outlet and a sewage discharge outlet are formed in the outer wall of the treatment tank, a carrier placing frame and an aeration mechanism are arranged in the treatment tank, the aeration mechanism comprises a plurality of first aeration heads and a second aeration head, the first aeration heads are arranged on a support platform at intervals and face the upper part of the treatment tank, a cavity is formed in the support platform, and the cavity is communicated with a first air inlet pipe and the first aeration heads;

the bottom of the supporting table is fixedly provided with a rotating shaft, the bottom of the treatment tank is provided with a bearing seat, the rotating shaft is inserted in the bearing seat, the rotating shaft is provided with a plurality of blades, and the second aeration head is communicated with the second air inlet pipe, is close to the second air inlet pipe and faces the blades.

A through hole is coaxially arranged in the rotating shaft, and the first air inlet pipe penetrates through the through hole and is communicated with the cavity.

The water inlet is located above the carrier placing frame, the water outlet and the sewage draining exit are located below the carrier placing frame, and the sewage draining exit is located below the water outlet.

The carrier placing frame is internally provided with a filler, and a biological film is attached to the outer surface of the filler.

Compared with the prior art, the first air inlet pipe inputs high-pressure air into the cavity, and the high-pressure air is discharged from the first aeration heads, so that the main aeration effect is realized; the second air inlet pipe inputs high-pressure air to the second aeration heads, on one hand, the second aeration heads realize auxiliary aeration effect, on the other hand, the high-pressure air is discharged by the second aeration heads and then blown to the blades, so that the blades rotate, the rotating shaft and the supporting table are driven to rotate, and thus, a plurality of first aeration heads carry out aeration in the rotating process, the aeration effect range is improved, the structure is reasonable, the aeration effect is effectively improved, and the sewage treatment effect is also ensured; meanwhile, the second aeration head generates bubbles which can overflow from the inner wall of the supporting table and the inner wall of the treatment tank, so that the aeration action range is further improved, and the aeration effect is improved.

Drawings

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

in the figure: 1. a treatment tank; 11. a water inlet; 12. a water outlet; 13. a sewage draining outlet; 2. a carrier placement frame; 20. a filler; 31. a first aeration head; 32. a second aeration head; 33. a support table; 330. a cavity; 34. A first intake pipe; 35. a rotating shaft; 36. a bearing seat; 37. a blade; 38. a second intake pipe.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the embodiments or technical features described below can be used to form a new embodiment without conflict.

As shown in fig. 1, the sequencing batch sewage treatment device comprises a treatment tank 1, wherein a water inlet 11, a water outlet 12 and a sewage outlet 13 are arranged on the outer wall of the treatment tank 1, a carrier placing frame 2 and an aeration mechanism are arranged in the treatment tank 1, the aeration mechanism comprises a plurality of first aeration heads 31 and a second aeration head 32, the plurality of first aeration heads 31 are arranged on a support table 33 at intervals and face the upper part of the treatment tank 1, a cavity 330 is arranged in the support table 33, and the cavity 330 is communicated with a first air inlet pipe 34 and the plurality of first aeration heads 31;

the bottom of the support table 33 is fixedly provided with a rotating shaft 35, the bottom of the treatment tank 1 is provided with a bearing seat 36, the rotating shaft 35 is inserted in the bearing seat 36, the rotating shaft 35 is provided with a plurality of blades 37, and the second aeration head 32 is communicated with a second air inlet pipe 38, is close to the second air inlet pipe and faces the blades 37. The first air inlet pipe 34 inputs high-pressure air into the cavity 330, and the high-pressure air is discharged from the first aeration heads 31 to realize the main aeration function; the second air inlet pipe 38 inputs high-pressure air to the second aeration head 32, on one hand, the second aeration head 32 realizes auxiliary aeration effect, on the other hand, the high-pressure air is blown to the blades 37 after being discharged by the second aeration head 32, so that the blades 37 rotate, and the rotating shaft 35 and the support table 33 are also driven to rotate, thus, the plurality of first aeration heads 31 carry out aeration in the rotating process, the aeration effect range is improved, the structure is reasonable, the aeration effect is effectively improved, and the sewage treatment effect is also ensured; meanwhile, the bubbles generated by the second aeration head 32 can overflow from the space between the support platform 33 and the inner wall of the treatment tank 1, thereby further improving the aeration action range and the aeration effect.

A through hole is coaxially arranged in the rotating shaft 35, and the first air inlet pipe 34 penetrates through the through hole and is communicated with the cavity 330. Thus, the rotation of the support table 33 and the support of the first air inlet pipe 34 do not interfere with each other, and the first air inlet pipe 34 is prevented from being wound, thereby ensuring reliable air inlet.

The water inlet 11 is positioned above the carrier placing frame 2, the water outlet and the sewage outlet 13 are positioned below the carrier placing frame 2, and the sewage outlet 13 is positioned below the water outlet 12. Sewage enters the treatment tank 1 through the water inlet 11 and falls into the carrier placing frame 2, then aeration is carried out, treated water is discharged through the water outlet 12 positioned above, and sludge is discharged through the sewage discharge outlet 13.

The carrier placing frame 2 is internally provided with a filler 20, and a biological film is attached to the outer surface of the filler 20. A large amount of microorganisms exist in the biomembrane, so that the treatment effect can be improved, and the advanced treatment of the sewage can be realized.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.

Claims

1. Sequencing batch sewage treatment plant, including handling the pond, be equipped with water inlet, delivery port and drain on the outer wall in processing the pond, it places frame and aeration mechanism, its characterized in that to be equipped with the carrier in the processing pond: the aeration mechanism comprises a plurality of first aeration heads and a second aeration head, the first aeration heads are arranged on the support table at intervals and face the upper part of the treatment tank, a cavity is arranged in the support table, and the cavity is communicated with a first air inlet pipe and the first aeration heads;

the bottom of the supporting table is fixedly provided with a rotating shaft, the bottom of the treatment tank is provided with a bearing seat, the rotating shaft is inserted in the bearing seat, the rotating shaft is provided with a plurality of blades, and the second aeration head is communicated with the second air inlet pipe, is close to and faces the blades.

2. The sequencing batch wastewater treatment plant of claim 1, wherein: a through hole is coaxially arranged in the rotating shaft, and the first air inlet pipe penetrates through the through hole and is communicated with the cavity.

3. The sequencing batch wastewater treatment plant of claim 1, wherein: the water inlet is located above the carrier placing frame, the water outlet and the sewage draining exit are located below the carrier placing frame, and the sewage draining exit is located below the water outlet.

4. The sequencing batch wastewater treatment plant of claim 1, wherein: the carrier placing frame is internally provided with a filler, and a biological film is attached to the outer surface of the filler.