CN211111558U

CN211111558U - Sewage biochemical treatment device

Info

Publication number: CN211111558U
Application number: CN201920743622.1U
Authority: CN
Inventors: 曾辉; 童双桃
Original assignee: Guangzhou Lehong Technology Co ltd
Current assignee: Guangzhou Lehong Technology Co ltd
Priority date: 2019-05-21
Filing date: 2019-05-21
Publication date: 2020-07-28
Anticipated expiration: 2029-05-21

Abstract

The utility model discloses a sewage biochemical treatment device, which comprises a treatment box, wherein a bioreactor and two clapboards are arranged in the treatment box; the two clapboards divide the inside of the treatment box into a primary treatment area, an aeration reaction area and a sedimentation area; the bioreactor is arranged in the primary treatment area; a liquid inlet of the bioreactor is communicated to the top end surface of the treatment box, and an air inlet of the bioreactor is communicated to the side end surface of the treatment box; a sewage outlet of the bioreactor is communicated into the reaction zone through a first pipeline; a first aeration device is arranged in the reaction zone; the outlet of the reaction zone is provided with a second pipeline which is communicated to the sedimentation zone, and the bottom end of the sedimentation zone is provided with a second aeration device. The utility model discloses a sewage biochemical treatment device, it can carry out sewage treatment and be convenient for shift.

Description

Sewage biochemical treatment device

Technical Field

The utility model relates to a sewage treatment device technical field especially relates to a sewage biochemical treatment device.

Background

At present, in order to effectively utilize active substances in sewage treatment equipment, when sewage is treated, oxygen or gas is introduced into the sewage to enable living organisms in the sludge to well grow to form activated sludge containing zoogloea, and finally separation of the activated sludge is realized to utilize the activated sludge. However, the existing sewage treatment devices are generally large in size, are directly built on the ground or form a reaction tank by digging a pool, and have low sludge separation rate when sewage needs to be treated in specific occasions.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a sewage biochemical treatment device which can perform sewage treatment and is convenient for transfer.

The purpose of the utility model is realized by adopting the following technical scheme:

the sewage biochemical treatment device comprises a treatment box, wherein a bioreactor and two partition plates are arranged in the treatment box; the two clapboards divide the inside of the treatment box into a primary treatment area, an aeration reaction area and a sedimentation area; the bioreactor is arranged in the primary treatment area; a liquid inlet of the bioreactor is communicated to the top end surface of the treatment box, and an air inlet of the bioreactor is communicated to the side end surface of the treatment box; a sewage outlet of the bioreactor is communicated into the reaction zone through a first pipeline; a first aeration device is arranged in the reaction zone; the outlet of the reaction zone is provided with a second pipeline which is communicated to the sedimentation zone, and the bottom end of the sedimentation zone is provided with a second aeration device.

Preferably, a plurality of aeration heads are arranged on the side end surface of the treatment box, and the plurality of aeration heads are correspondingly communicated with the aeration reaction zone; a plurality of aeration heads are formed as the first aeration device.

Preferably, a filtering module is arranged at the top end of the settling zone; the second pipeline is communicated to the top end of the settling zone.

Preferably, the filtration module is an MBR separation membrane module.

Preferably, the second aeration device comprises a plurality of aeration pipes, and the plurality of aeration pipes are communicated with an external air supply device; the aeration pipe is provided with a plurality of air outlet holes.

Compared with the prior art, the beneficial effects of the utility model reside in that: the sewage can enter a bioreactor, the sewage is fully reacted for a period of time after gas is introduced into the bioreactor, the gas can wrap small particles in the sewage to float, the biological matters in the sludge can be subjected to preliminary reaction and settle to the bottom end of the bioreactor and are guided to an aeration reaction area through a first pipeline, and after the aeration treatment is carried out in the aeration reaction area, organic matters in the sludge in the sewage are in contact with microorganisms and dissolved oxygen to carry out oxidative decomposition on the organic matters in the sewage, so that the activity of the sludge is improved. After that, the sewage reaches the settling zone, and the carbon dioxide in the water can be brought out in an aeration mode through the second aeration device, so that the activated sludge in the sewage is settled, and the activated sludge is conveniently separated and recovered. And the bioreactor, the aeration reaction zone and the settling zone are all integrated in the treatment box, so that the transfer is convenient.

Drawings

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

FIG. 2 is a schematic structural view of a settling zone of the present invention;

in the figure: 10. a treatment tank; 11. a partition plate; 12. a first conduit; 20. a bioreactor; 21. an air inlet of the bioreactor; 30. an aeration reaction zone; 31. an aeration head; 40. a settling zone; 41. an aeration pipe; 411. an air outlet; 42. and separating the membrane group by MBR.

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 the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.

The biochemical sewage treatment apparatus shown in fig. 1 and 2 comprises a treatment tank 10, wherein a bioreactor 20 and two partition plates 11 are arranged in the treatment tank 10, the two partition plates 11 are fixed in a box body at intervals, and the interior of the treatment tank 10 is divided into a primary treatment area, an aeration reaction area 30 and a sedimentation area 40. The bioreactor 20 is disposed in the preliminary treatment area, specifically, a liquid inlet of the bioreactor 20 is communicated to a top end surface of the treatment tank 10, an air inlet 21 of the bioreactor is communicated to a side end surface of the treatment tank 10, and a sewage outlet of the bioreactor 20 is communicated to the reaction area through the first pipeline 12. The early reaction zone is internally provided with a first aeration device, the outlet of the reaction zone is provided with a second pipeline which is communicated to the sedimentation zone 40, and the sedimentation zone 40 is internally provided with a second aeration device.

On the basis of the structure, use the utility model discloses a during sewage treatment plant, in its sewage can enter into bioreactor 20, fully react a period after leading-in gas in bioreactor 20, the small particles come-up in the gaseous effluent of can wrapping up, and the thing biology in the mud then can carry out preliminary reaction and subside to bioreactor 20 bottom and guide to aeration reaction district 30 through first pipeline 12, carry out the aeration in aeration reaction district 30 after, organic matter and microorganism and dissolved oxygen's contact in the mud in the sewage, carry out oxidative decomposition to organic matter in the sewage, improve the sludge activity. After that, the sewage reaches the settling area 40, and the carbon dioxide in the sewage can be brought out in an aeration mode through the second aeration device, so that the activated sludge in the sewage is settled, and the activated sludge is convenient to separate and recover.

And the bioreactor 20, the aeration reaction zone 30 and the settling zone 40 are all integrated in the treatment tank 10, so that the transfer is convenient.

It should be noted that the bioreactor 20 described above is commercially available, and the specific structure and operation principle thereof are not within the technical content to be protected in the present application, and those skilled in the art can directly understand from the prior art, and detailed description thereof is omitted. Further, the gas introduced by the first aeration device of the aeration reaction zone 30 allows oxygen to undergo an aeration reaction, and allows the organic matter in the sludge to repeatedly contact and react with the microorganisms. The insoluble gas is introduced from the second aeration device at the bottom end of the settling zone 40, and is introduced from the bottom end of the settling zone 40 to bring out carbon dioxide in the water. The specific aeration reaction and aeration sedimentation are well-established technologies in the prior art, and are not described in detail herein.

Preferably, a plurality of aeration heads 31 are arranged on the side end surface of the treatment box 10, and the plurality of aeration heads 31 are correspondingly communicated with the aeration reaction zone 30; the plurality of aeration heads 31 are formed as the first aeration means so that the gas can be introduced into the aeration reaction zone 30 through the plurality of aeration heads 31, and the plurality of aeration heads 31 are provided so that the aeration can be performed at different positions of the reaction zone to make the reaction more sufficient. The specific aeration head 31 can be purchased from the market, and holes are formed in the treatment box 10, and can be directly arranged on holes in the treatment box 10 through connecting pieces such as screws or bolts.

Preferably, still can be equipped with the filtration module on the top of settling zone 40, above-mentioned second pipeline communicates to the top of settling zone 40, so, when sewage after the reaction reachd settling zone 40, can filter through the filtration module, removes the big particulate matter in the sewage, the later stage activated sludge's of being convenient for sedimentation separation.

Specifically, in this embodiment, the filtering module is selected as the MBR separation membrane group 42 in the prior art, that is, a module formed by compounding an ultrafiltration membrane, a microfiltration membrane, a nanofiltration membrane, a reverse osmosis membrane, and the like, so that the filtering efficiency is better. Of course, the filtering module can also be an activated carbon filtering module in the prior art.

Preferably, the second aeration device comprises a plurality of aeration pipes 41, and the plurality of aeration pipes 41 are communicated with an external air supply device; the aeration pipe 41 is provided with a plurality of air outlet holes 411. Thus, the gas can be introduced through the aeration pipe 41, and the gas can be uniformly led out through the plurality of air outlet holes 411, so that the aeration effect is good.

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

Claims

1. The sewage biochemical treatment device is characterized by comprising a treatment box, wherein a bioreactor and two partition plates are arranged in the treatment box; the two clapboards divide the inside of the treatment box into a primary treatment area, an aeration reaction area and a sedimentation area; the bioreactor is arranged in the primary treatment area; a liquid inlet of the bioreactor is communicated to the top end surface of the treatment box, and an air inlet of the bioreactor is communicated to the side end surface of the treatment box; a sewage outlet of the bioreactor is communicated into the reaction zone through a first pipeline; a first aeration device is arranged in the reaction zone; the outlet of the reaction zone is provided with a second pipeline which is communicated to the sedimentation zone, and the bottom end of the sedimentation zone is provided with a second aeration device.

2. The biochemical sewage treatment device according to claim 1, wherein a plurality of aeration heads are provided on the side end surface of the treatment tank, and are respectively communicated with the aeration reaction zone; a plurality of aeration heads are formed as the first aeration device.

3. The biochemical sewage treatment device according to claim 1, wherein a filtering module is disposed at the top end of the settling zone; the second pipeline is communicated to the top end of the settling zone.

4. The biochemical sewage treatment device of claim 3, wherein the filtering module is an MBR separation membrane module.

5. The biochemical sewage treatment device according to claim 1, wherein the second aeration device includes a plurality of aeration pipes, each of which is communicated with an external air supply device; the aeration pipe is provided with a plurality of air outlet holes.