CN208545188U - Sewage disposal system based on AAO technique - Google Patents

Sewage disposal system based on AAO technique Download PDF

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Publication number
CN208545188U
CN208545188U CN201820878029.3U CN201820878029U CN208545188U CN 208545188 U CN208545188 U CN 208545188U CN 201820878029 U CN201820878029 U CN 201820878029U CN 208545188 U CN208545188 U CN 208545188U
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pond
aerobic tank
sewage disposal
disposal system
anoxic pond
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CN201820878029.3U
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易志芳
刘林
戚仲凯
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Nanjing Shun Shui Da Environmental Protection Technology Co Ltd
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Nanjing Shun Shui Da Environmental Protection Technology Co Ltd
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Abstract

The utility model discloses the sewage disposal systems based on AAO technique, anaerobic pond, anoxic pond and aerobic tank including being serially connected in integral structure, aerobic tank is also connected with sedimentation basin, wherein: anaerobic pond and anoxic pond bottom position are equipped with openable connection mouth, and anaerobic pond is towards being additionally provided with the lateral dynamics scraper plate with hydraulic pump at openable communication port position;The top of anoxic pond and aerobic tank passes through strainer connection;Aerobic tank top center position is inserted with stirring rod, aeration tube is equipped with towards the direction of anoxic pond, the L that bottom is buckled to by one piece supports web plate to be filtered water, while placing sewage water filtration film between the support web plate lower part L being buckled to and aerobic tank inner wall, and sewage disposal system further includes PLC control device.The sewage disposal system of the utility model is used suitable for small-sized place, and space occupied is small, treatment effeciency is high, and the sewage disposal system based on AAO technique for being convenient to clean and safeguarding.

Description

Sewage disposal system based on AAO technique
Technical field
The utility model relates to sewage disposal system technical fields, more particularly to the sewage treatment system based on AAO technique System.
Background technique
Common AAO Process is also known as A2O method in sewage treatment process, is English Anaerobic-Anoxic-Oxic One alphabetical abbreviation (anaerobic- anoxic- oxic method), is a kind of common sewage treatment process, can be used for secondary sewage processing Or three-level sewage treatment and Treated sewage reusing.
Specifically, anaerobic reactor, raw sewage is synchronous with the phosphorous returned sludge being discharged from sedimentation basin to be entered, this reaction Device major function is release phosphorus, while partial organic substances carry out ammonification;
Anoxic reacter, premiere feature are denitrogenations, and nitrate nitrogen is to be sent by interior circulation by aerobic reactor, circulation It is larger to mix liquid measure, generally 2Q (Q is raw sewage flow);
Aerobic reactor --- aeration tank, this reaction member are multi-functional, removal COD, and nitrification and absorption phosphorus etc. are equal It carries out here.Flow is that the mixed liquor of 2Q flows back into anoxic reacter from here.
Sedimentation basin, function are mud-water separations, and sludge a part is back to anaerobic reactor, and supernatant is as processing water row It puts.
During carrying out sewage treatment using AAO process equipment, since its equipment is various, occupied space is larger, difficult With cleaning and maintenance, while sewage treating efficiency is relatively low.
Utility model content
In order to overcome the above-mentioned deficiencies of the prior art, the utility model provides a kind of suitable for the use of small-sized place, accounts for Ground space is small, processing effect is high, and the sewage disposal system based on AAO technique for being convenient to clean and safeguarding.
The technical scheme adopted by the utility model is the sewage disposal system based on AAO technique, including be serially connected in Anaerobic pond, anoxic pond and the aerobic tank of integral structure, aerobic tank are also connected with sedimentation basin, and the bottom sludge area of sedimentation basin passes through dirt Mud recovery tube connects anaerobic pond, in which:
Anaerobic pond, top position nearby set sewage inlet, are equipped with openable connection mouth with anoxic pond bottom position, and Anaerobic pond is towards being additionally provided with the lateral dynamics scraper plate with hydraulic pump at openable connection mouth position;
The top of anoxic pond and aerobic tank passes through strainer connection;
Aerobic tank, top center position are equipped with aeration tube inserted with stirring rod, towards the direction of anoxic pond, and bottom passes through one The L support web plate of block back-off is filtered water, while placing sewage mistake between the support web plate lower part L being buckled to and aerobic tank inner wall Filter membrane, the aerobic tank positioned at the L support web plate of back-off connect sedimentation basin by draining pump;
Sewage disposal system further includes PLC control device, and PLC control device connects and drives the liquid of lateral dynamics scraper plate Press pump.
Further, lateral dynamics scraper plate further includes being driven by hydraulic pump, pushes to mud from anaerobic pond for timing The lateral cleaning shoe of anoxic pond, the direction of bottom towards the anoxic pond of lateral cleaning shoe are additionally provided with wedge shape shovel trowel.
Further, sliding door is hinged with by hinge at the top of openable connection mouth, the transverse direction of lateral dynamics scraper plate scrapes mud At least three mandrils are arranged towards the direction of sliding door in plate, and the length of each mandril extends beyond the length of wedge shape shovel trowel Degree.
Further, it pulls and is connected with several tension springs, each tension spring between the inner wall of anaerobic pond It is inside additionally provided with a cable wire, and the both ends of cable wire are also separately fixed at the inner wall of sliding door and anaerobic pond.
Compared with prior art, the utility model has the beneficial effects that the sewage disposal system of the utility model, is working When, concatenated integral structure is set by anaerobic pond, anoxic pond and aerobic tank, these anaerobic ponds and anoxic pond are salable individually Processing, the nature series connection that can also connect processing, is simply isolated, and anoxic pond passes through the filter screen connection at top with aerobic tank, Sewage is penetrated into aerobic tank from top by anoxic pond, is quickly handled by the aeration tank aeration of stirring rod stirring and side, The water that Aerobic Process for Treatment terminates enters sedimentation basin precipitating after filtering below the L of back-off support web plate and obtains water purification.
It synthetically says, the sewage disposal system of the utility model is used suitable for small-sized place, and space occupied is small, processing is imitated Rate is high, and the sewage disposal system based on AAO technique for being convenient to clean and safeguarding.
Detailed description of the invention
Fig. 1 is the structure principle chart of the sewage disposal system based on AAO technique;
Fig. 2 is the attachment structure schematic diagram of anaerobic pond and anoxic pond;
Wherein: 1- anaerobic pond, 2- anoxic pond, 3- aerobic tank, 4- sedimentation basin, 5- sludge recovery tube, the L supporting network of 6- back-off Plate, the openable connection mouth of 7-, 8- lateral dynamics scraper plate, 81- hydraulic pump, 82- transverse direction cleaning shoe, 83- wedge shape shovel trowel;9- Sliding door, 10- mandril, 11- strainer, 12- stirring rod, 13- aeration tube, 14- draining pump, 15-PLC control device, 16- pulling force bullet Spring, 17- cable wire, 18- sewage water filtration film.
Specific embodiment
In order to deepen the understanding to the utility model, with reference to the accompanying drawings and examples furtherly to the utility model Bright, which is only used for explaining the utility model, does not constitute and limits to the protection scope of the utility model.
As shown in Figure 1, the sewage disposal system based on AAO technique, the anaerobic pond including being serially connected in integral structure 1, anoxic pond 2 and aerobic tank 3, aerobic tank 3 are also connected with sedimentation basin 4, and the bottom sludge area of sedimentation basin 4 is connected by sludge recovery tube 5 Connect anaerobic pond 1, in which:
It is detailed in Fig. 2, anaerobic pond 1, top position nearby sets sewage inlet, is equipped with 2 bottom position of anoxic pond openable Connection mouth 7, and anaerobic pond is towards being additionally provided with the lateral dynamics scraper plate 8 with hydraulic pump 81 at openable 7 position of connection mouth, Simply it is isolated, the sewage that Anaerobic Treatment terminates directly is pushed by anoxic pond and aerobic tank by the filter screen connection at top Anoxic pond is handled, and intermediate treatment facility is reduced, and operating cost is low, occupies little space.
The top of anoxic pond 2 and aerobic tank 3 passes through 11 connection of strainer;
Aerobic tank 3, top center position are equipped with aeration tube 13, bottom inserted with stirring rod 12, towards the direction of anoxic pond The L being buckled to by one piece supports web plate 6 to be filtered water, while between support 6 lower part of web plate L being buckled to and 3 inner wall of aerobic tank Sewage water filtration film 18 is placed, the aerobic tank 3 positioned at the L support web plate of back-off connects sedimentation basin 4 by draining pump 14;Anoxic pond from Sewage is penetrated into aerobic tank by top, is quickly handled by the aeration tank aeration of stirring rod stirring and side, Aerobic Process for Treatment The water of end enters sedimentation basin precipitating after filtering below the L of back-off support web plate and obtains water purification.
Sewage disposal system further includes PLC control device 15, and PLC control device 15 connects and drives lateral dynamics scraper plate 8 hydraulic pump 81 sets a period by PLC control device 15, periodically processing terminate by anaerobic pond when specifically used Sewage and mud push to anoxic pond, can also be artificial to push according to observation.
In the above-described embodiments, lateral dynamics scraper plate 8 further includes being driven by hydraulic pump 81, for timing by mud from anaerobism Pond pushes to the lateral cleaning shoe 82 of anoxic pond, and the direction of bottom towards the anoxic pond of lateral cleaning shoe 82 is additionally provided with wedge shape shovel mud Knife 83, it is good to root out mud effect, and when cleaning and repairing after operation, emphasis clears up the mud of anoxic pond, mitigates maintenance Workload.
In the above-described embodiments, for better connection and closing anaerobic pond and anoxic pond, openable connection mouth 7 Top is hinged with sliding door 9 by hinge, and the lateral cleaning shoe 82 of lateral dynamics scraper plate 8 is arranged at least three towards the direction of sliding door 9 Root mandril 10, and the length of each mandril 10 extends beyond the length of wedge shape shovel trowel 83, in lateral cleaning shoe 82 and When wedge shape shovel trowel 83 roots out mud, openable connection mouth 7 can be opened simultaneously, after mud is rooted out, sliding door 9 is slowly It goes back to seal.
In the above-described embodiments, several tension springs 16, Mei Yigen are connected with sliding door 9 and between the inner wall of anaerobic pond A cable wire 17 is additionally provided in tension spring 16, and the both ends of cable wire are also separately fixed at the inner wall of sliding door and anaerobic pond, When lateral cleaning shoe 82 and wedge shape shovel trowel 83 root out mud, openable connection mouth 7 can be opened simultaneously, is rooted out in mud After, sliding door 9 goes back to seal anaerobic pond and anoxic pond, isolation effect rapidly under the action of tension spring 16 and cable wire 17 It is good.
What the embodiments of the present invention were announced is preferred embodiment, and however, it is not limited to this, the common skill of this field Art personnel understand the spirit of the utility model easily according to above-described embodiment, and make different amplification and variation, but as long as The spirit of the utility model is not departed from, it is all within the protection scope of the present utility model.

Claims (4)

1. the sewage disposal system based on AAO technique, it is characterised in that: the anaerobic pond including being serially connected in integral structure (1), anoxic pond (2) and aerobic tank (3), aerobic tank (3) are also connected with sedimentation basin (4), and the bottom sludge area of sedimentation basin (4) passes through dirt Mud recovery tube (5) connects anaerobic pond (1), in which:
Anaerobic pond (1), top position nearby set sewage inlet, are equipped with openable connection mouth with anoxic pond (2) bottom position (7), and anaerobic pond is towards being additionally provided with the lateral dynamics scraper plate with hydraulic pump (81) at openable connection mouth (7) position (8);
The top of anoxic pond (2) and aerobic tank (3) passes through strainer (11) connection;
Aerobic tank (3), top center position are equipped with aeration tube (13) inserted with stirring rod (12), towards the direction of anoxic pond, bottom Portion is filtered water by L support web plate (6) of one piece of back-off, while support web plate (6) lower part L being buckled to and aerobic tank (3) Sewage water filtration film (18) are placed between inner wall, the aerobic tank (3) positioned at the L support web plate of back-off is heavy by draining pump (14) connection Shallow lake pond (4);
Sewage disposal system further includes PLC control device (15), and PLC control device (15) connects and drives lateral dynamics scraper plate (8) hydraulic pump (81).
2. the sewage disposal system according to claim 1 based on AAO technique, it is characterised in that: lateral dynamics scraper plate (8) Further include being driven by hydraulic pump (81), mud is pushed to the lateral cleaning shoe (82) of anoxic pond for timing from anaerobic pond, it is horizontal Wedge shape shovel trowel (83) is additionally provided with to the direction of bottom towards the anoxic pond of cleaning shoe (82).
3. the sewage disposal system according to claim 1 or 2 based on AAO technique, it is characterised in that: openable connection It is hinged with sliding door (9) at the top of mouth (7) by hinge, the side of lateral cleaning shoe (82) the direction sliding door (9) of lateral dynamics scraper plate (8) To setting at least three mandrils (10), and the length of each mandril (10) extends beyond the length of wedge shape shovel trowel (83).
4. the sewage disposal system according to claim 3 based on AAO technique, it is characterised in that: sliding door (9) with positioned at detesting It is connected between the inner wall in oxygen pond several tension springs (16), is additionally provided with a cable wire (17) in each tension spring (16), And the both ends of cable wire are also separately fixed at the inner wall of sliding door and anaerobic pond.
CN201820878029.3U 2018-06-07 2018-06-07 Sewage disposal system based on AAO technique Active CN208545188U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820878029.3U CN208545188U (en) 2018-06-07 2018-06-07 Sewage disposal system based on AAO technique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820878029.3U CN208545188U (en) 2018-06-07 2018-06-07 Sewage disposal system based on AAO technique

Publications (1)

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CN208545188U true CN208545188U (en) 2019-02-26

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111908735A (en) * 2020-08-28 2020-11-10 桂林理工大学 AAO process transformation method for urban sewage treatment plant based on anaerobic ammonia oxidation
CN112744915A (en) * 2020-11-25 2021-05-04 金科环境股份有限公司 Mechanical scrubbing membrane biological reaction system and method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111908735A (en) * 2020-08-28 2020-11-10 桂林理工大学 AAO process transformation method for urban sewage treatment plant based on anaerobic ammonia oxidation
CN112744915A (en) * 2020-11-25 2021-05-04 金科环境股份有限公司 Mechanical scrubbing membrane biological reaction system and method

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