CN103265127B - Deepwater aerating device - Google Patents

Deepwater aerating device Download PDF

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Publication number
CN103265127B
CN103265127B CN201310226853.2A CN201310226853A CN103265127B CN 103265127 B CN103265127 B CN 103265127B CN 201310226853 A CN201310226853 A CN 201310226853A CN 103265127 B CN103265127 B CN 103265127B
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China
Prior art keywords
water
inner core
aeration
sewage
urceolus
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CN201310226853.2A
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Chinese (zh)
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CN103265127A (en
Inventor
亓久平
荆汉江
由伟平
侯国柱
王文新
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QINGDAO XIAOCHUAN ENVIRONMENTAL PROTECTION EQUIPMENT CO Ltd
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QINGDAO XIAOCHUAN ENVIRONMENTAL PROTECTION EQUIPMENT CO Ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00Technologies for wastewater treatment
    • Y02W10/10Biological treatment of water, waste water, or sewage

Abstract

The invention discloses a novel deepwater aerating device, in order to solve the problems that the existing deepwater aerating device is poor in back flow sludge mixing, is low in oxygen utilization ratio and polluted component removing rate due to short contact time of sewage and air and short mixing path, and the like. The novel deepwater aerating device is provided with a circulating flow quantity controller; the circulating flow quantity controller establishes sewage secondary circulation and regulates the circulating water flow rate, so that the zigzag sewage circulating path is lengthened; sewage and air are mixed fully; the oxygen utilization ratio and the power efficiency are improved greatly, and BOD (biochemical oxygen demand) and NH3-N removing rate in sewage are improved further; the volume of the deepwater aerating device can be smaller, thereby lowering the project investment and running expense; and the secondary circulating established by the circulating flow rate controller forms a certain oxygen-deficient environment, so that the denitrification reaction can be generated, and the TN (total nitrogen) removing rate in sewage is improved.

Description

A kind of deep-water aeration device
Technical field
The invention belongs to sewage deep water treatment facility technical field, be specifically related to a kind of by regulating air pressure to reach the deep-water aeration device of controlling effluent cycle flow.
Background technology
Sewage disposal deep-water aeration device in prior art, comprise aeration well, aeration well top is communicated with pond, top, top connects rising pipe in pond, in aeration well and pond, top, be provided with central tube, the water outlet of water inlet pipe is arranged in central tube, and compressed air pipe air outlet is arranged between aeration well inwall and central tube.Need sewage to be processed first through water inlet pipe, to introduce pipe core depths, the gas mixed aeration of then gushing with compressed air pipe in aeration well, finally, under gas stripping, sewage is discharged deep-water aeration device through rising pipe.In existing deep-water aeration device, sewage forms single circulation between aeration well and central tube, the shortcoming of this technique is that sewage and air duration of contact and mixed path are short, reaction tank volume is large, returned sluge mixed effect is poor, the utilization ratio of oxygen is low, and working cost is relatively high, and very low for the clearance of TN in sewage.
Summary of the invention
In order to solve, existing deep-water aeration device is poor because sewage mixes with air duration of contact and short the caused returned sluge of mixed path, coefficient of oxygen utilization and the problem such as pollutant component clearance is low, the present invention has researched and developed a kind of new deep-water aeration device, this deep-water aeration device is by arranging circular flow controller, secondary circulation, the increase bottom aeration of sewage have been set up, form certain anaerobic environment, improve the clearance of TN.
For achieving the above object, the technical solution used in the present invention is: a kind of deep-water aeration device, comprise pond, top, aeration well, central tube, water inlet pipe, rising pipe, top compressed air pipe, bottom, pond, top is communicated with aeration well top, central tube is arranged in pond, top and aeration well, compressed air pipe air outlet, top is arranged between aeration well inwall and central tube, it is characterized in that: also comprise circular flow controller, bottom compressed air pipe;
Described circular flow controller is arranged on central tube bottom in aeration well, and circular flow controller is provided with inner core, middle cylinder, three concentric drums of urceolus, and inner core, middle cylinder, urceolus diameter increase successively, and urceolus diameter is less than aeration well diameter; On the outer wall of inner core bottom, be provided with installation chassis, installation chassis periphery wall is connected with the inner wall sealing of aeration well; Inner core and central tube equal diameters, inner core top is connected and is interconnected with central tube bottom end seal, the sealing of inner core bottom; Top closure between urceolus and inner core, urceolus bottom end opening is in installation chassis top; The below of middle cylinder upper end open closed top end between urceolus and inner core, middle cylinder bottom and installation chassis are tightly connected; On the barrel of inner core, with the upper and lower of installation chassis junction, be respectively arranged with water vent and lower water vent;
Compressed air pipe air outlet, described bottom, rising pipe water-in, be arranged between inner core and aeration well bottom.
Also comprise adjusting compressed air pipe, the air outlet of adjusting compressed air pipe is arranged on the below of closed top end between urceolus and inner core.
One circulation tube is set in described inner core, and circulation tube water outlet is communicated with the water-in of water inlet pipe.
On described adjusting compressed air pipe, a pressure regulator valve is set.
Described installation chassis is arranged on apart from 1/4th well depth places, aeration well bottom.
Described upper water vent is set to 4-6, and lower water vent is set to 4-6.
Compared with prior art, the invention has the beneficial effects as follows: the present invention increases circular flow controller, this circular flow controller regulates by the indoor air pressure of the compressed air cell of top seal, change the height of liquid level in circular flow controller circulation grid, thereby realized the size that regulates secondary effluent cycle flow in circular flow controller.This circular flow controller has been set up the secondary circulation of sewage and has been regulated circulating water flow, make the tortuous lengthening in effluent cycle path, sewage and air mixed are abundant, and coefficient of oxygen utilization and dynamic efficiency improve greatly, and BOD in sewage, NH3-N clearance are further enhanced.Make the deep-water aeration device volume can be less, thereby reduce construction investment and working cost.The secondary circulation that circular flow controller is set up simultaneously forms certain anaerobic environment, is conducive to the generation of anti-nitration reaction, has improved the clearance of TN in sewage.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the present invention is further described.
As shown in Figure 1, the present invention includes pond 1, top, aeration well 2, central tube 3, water inlet pipe 4, rising pipe 5, top compressed air pipe 6,1 bottom, pond, top is communicated with aeration well 2 tops, central tube 3 is arranged in pond 1, top and aeration well 2, compressed air pipe 6 air outlets in top are arranged between aeration well 2 inwalls and central tube 3, it is characterized in that: also comprise circular flow controller 7, bottom compressed air pipe 8;
Described circular flow controller 7 is arranged on the interior central tube of aeration well 23 bottoms, circular flow controller 7 is provided with inner core 71, middle cylinder 72,73 3 concentric drums of urceolus, inner core 71, middle cylinder 72, urceolus 73 diameters increase successively, and urceolus 73 diameters are less than aeration well 2 diameters; On inner core 71 bottom outer walls, be provided with installation chassis 74, installation chassis 74 periphery walls are connected with the inner wall sealing of aeration well 2; Inner core 71 and central tube 3 equal diameters, inner core 71 tops are connected and are interconnected with central tube 3 bottom end seal, inner core 71 bottom sealings; Top closure between urceolus 73 and inner core 71, urceolus 73 bottom end openings are in installation chassis 74 tops; The below of middle cylinder 72 upper end open closed top end between urceolus 73 and inner core 71, middle cylinder 72 bottoms and installation chassis 74 are tightly connected; On the barrel of inner core 71, with the upper and lower of installation chassis 74 junctions, be respectively arranged with 5 upper water vents 75 and 5 lower water vents 76; Compressed air pipe 8 air outlets, described bottom, rising pipe 5 water-ins are arranged between inner core 71 and aeration well 2 bottoms.Also comprise and regulate compressed air pipe 9, the air outlet of adjusting compressed air pipe 9 is arranged on the below of closed top end between urceolus 73 and inner core 71.The interior circulation tube 10 that arranges of described inner core 71, circulation tube 10 water outlets are communicated with the water-in 4 of water inlet pipe.Regulate on compressed air pipe 9 pressure regulator valve 11 is set.Described installation chassis 74 is arranged on apart from 1/4th well depth places, aeration well bottom.
Sewage enters aeration well 2 through water inlet pipe 4, under gas stripping, rise to pond 1, top and then enter central tube 3 and circular flow controller 7, sewage is shunted after entering circular flow controller 7: a part of sewage returns to water inlet pipe 4 water-ins through circulation tube 10 circulations, again by water inlet pipe 4, enter aeration well 2, form secondary circulation; Second section sewage is through the upper water port 75 of circular flow controller 7 inner core 71 bottoms, and in circulation process, cylinder 72, urceolus 73 spaces, enter in aeration well 2, forms secondary circulation in well; Third part sewage, through the lower water port 76 of circular flow controller 7 inner cores 71, enters aeration well 2 bottoms, and the gas by bottom compressed air pipe 8 carries out after deep aeration, outside rising pipe 5 dischargers.Closure tip between urceolus 73 and inner core 71 is by regulating compressed air pipe 9 to pass into air, form air chamber, regulate pressure regulator valve 11, control the height of the top liquid level between urceolus 73 and inner core 71, thereby regulate the uninterrupted of discharging current via upper water vent 75 and lower water vent 76, so that each several part water flow meets production engineering specifications, thereby realize the object that the present invention will reach.
In addition, the present invention not meaning that by schematic diagram and specification sheets limits to, and under the prerequisite that does not depart from design aim and principle thereof, can change to some extent.

Claims (6)

1. a deep-water aeration device, comprise pond (1), top, aeration well (2), central tube (3), water inlet pipe (4), rising pipe (5), top compressed air pipe (6), bottom, pond (1), top is communicated with aeration well (2) top, central tube (3) is arranged in pond, top (1) and aeration well (2), top compressed air pipe (6) air outlet is arranged between aeration well (2) inwall and central tube (3), it is characterized in that: also comprise circular flow controller (7), bottom compressed air pipe (8);
Described circular flow controller (7) is arranged on the interior central tube of aeration well (2) (3) bottom, circular flow controller (7) is provided with inner core (71), middle cylinder (72), (73) three concentric drums of urceolus, inner core (71), middle cylinder (72), urceolus (73) diameter increase successively, and urceolus (73) diameter is less than aeration well (2) diameter; On the outer wall of inner core (71) bottom, be provided with installation chassis (74), installation chassis (74) periphery wall is connected with the inner wall sealing of aeration well (2); Inner core (71) and central tube (3) equal diameters, inner core (71) top is connected and is interconnected with central tube (3) bottom end seal, the sealing of inner core (71) bottom; Top closure between urceolus (73) and inner core (71), urceolus (73) bottom end opening is in installation chassis (74) top; The below of middle cylinder (72) upper end open closed top end between urceolus (73) and inner core (71), middle cylinder (72) bottom and installation chassis (74) are tightly connected; On the barrel of inner core (71), with the upper and lower of installation chassis (74) junction, be respectively arranged with water vent (75) and lower water vent (76);
Described bottom compressed air pipe (8) air outlet, rising pipe (5) water-in, be arranged between inner core (71) and aeration well (2) bottom.
2, deep-water aeration device according to claim 1, is characterized in that: also comprise and regulate compressed air pipe (9), the air outlet of adjusting compressed air pipe (9) is arranged on the below of closed top end between urceolus (73) and inner core (71).
3, deep-water aeration device according to claim 2, is characterized in that: a circulation tube (10) is set in described inner core (71), and the water outlet of described circulation tube (10) is communicated with the water-in of water inlet pipe (4).
4, deep-water aeration device according to claim 3, is characterized in that: a pressure regulator valve (11) is set on described adjusting compressed air pipe (9).
5, deep-water aeration device according to claim 4, is characterized in that: described installation chassis (74) is arranged on apart from 1/4th well depth places, aeration well (2) bottom.
6, deep-water aeration device according to claim 5, is characterized in that: described upper water vent (75) is set to 4-6, and lower water vent (76) is set to 4-6.
CN201310226853.2A 2013-06-08 2013-06-08 Deepwater aerating device Active CN103265127B (en)

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Application Number Priority Date Filing Date Title
CN201310226853.2A CN103265127B (en) 2013-06-08 2013-06-08 Deepwater aerating device

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Application Number Priority Date Filing Date Title
CN201310226853.2A CN103265127B (en) 2013-06-08 2013-06-08 Deepwater aerating device

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CN103265127B true CN103265127B (en) 2014-04-02

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103896415B (en) * 2014-04-10 2015-05-13 青岛小川环保设备有限公司 Novel negative-pressure aeration device

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001146767A (en) * 1999-11-24 2001-05-29 Doriko Kk Well for cleaning ground water, ground water-cleaning device using it, and ground water-cleaning method
JP2003145187A (en) * 2001-11-19 2003-05-20 Yoji Nagano Water purification device
JP5178635B2 (en) * 2009-06-04 2013-04-10 株式会社泉ポンプ製作所 Groundwater level lowering device
CN102145963B (en) * 2011-03-01 2012-06-27 江门市创源水处理科技有限公司 Efficient sewage treatment device and technology using same
CN102690028B (en) * 2012-06-20 2013-08-28 青岛银河环保股份有限公司 Deepwater oxidization sewage treatment technology integrated with high-rise building
CN102745803A (en) * 2012-07-16 2012-10-24 绍兴文理学院 Deep well aeration device
CN102795750A (en) * 2012-09-12 2012-11-28 山东汇盛天泽环境工程有限公司 Deep-well aerobic digestive treatment device and treating method for organic sludge
CN203333387U (en) * 2013-06-08 2013-12-11 青岛小川环保设备有限公司 Deepwater aerating device

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Denomination of invention: Deepwater aerating device

Effective date of registration: 20141205

Granted publication date: 20140402

Pledgee: Qingdao Guarantee Center Co., Ltd.

Pledgor: Qingdao Xiaochuan Environmental Protection Equipment Co.,Ltd.

Registration number: 2014990001037

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Date of cancellation: 20220607

Granted publication date: 20140402

Pledgee: Qingdao Guarantee Center Co.,Ltd.

Pledgor: QINGDAO XIAOCHUAN ENVIRONMENTAL PROTECTION EQUIPMENT Co.,Ltd.

Registration number: 2014990001037

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