CN201437517U - Air-floating sewage treatment system - Google Patents

Air-floating sewage treatment system Download PDF

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Publication number
CN201437517U
CN201437517U CN2009201082855U CN200920108285U CN201437517U CN 201437517 U CN201437517 U CN 201437517U CN 2009201082855 U CN2009201082855 U CN 2009201082855U CN 200920108285 U CN200920108285 U CN 200920108285U CN 201437517 U CN201437517 U CN 201437517U
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China
Prior art keywords
zone
sewage treatment
air supporting
treatment systems
action
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Expired - Lifetime
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CN2009201082855U
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Chinese (zh)
Inventor
缪冬塬
崔龙涛
陈素华
俞彬
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Poten Environment Group Co Ltd
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BEIJING PURESINO-BODA ENVIRONMENTAL ENGINEERING Co Ltd
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Priority to CN2009201082855U priority Critical patent/CN201437517U/en
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Abstract

The utility model relates to an air-floating sewage treatment system which utilizes the air-floating method to perform the sewage treatment. The air-floating sewage treatment system comprises a flocculation area (1), a contact area (2) and a separation area (3) which are independent to each other, wherein the flocculation area (1), the contact area (2) and the separation area (3) are sequentially communicated with each other; and the air-floating sewage treatment system also comprises a nanometer bubble generator (8), and wherein a releasing head (81) of the nanometer bubble generator (8) is arranged on the bottom part of the contact area (2). The air-floating sewage treatment system can release the nano-grade micro bubbles, can adjust the diameter of the bubble according to the quality of the sewage, has higher treatment efficiency on the sewage, and has good quality of the outlet water.

Description

The air supporting Sewage treatment systems
Technical field
The utility model relates to a kind of sewage disposal device, particularly relates to a kind of air supporting Sewage treatment systems of utilizing the air supporting method to carry out sewage disposal.
Background technology
Because the rapid expansion and the rapid development of economy of urban population, the total amount of city domestic sewage and trade effluent increases sharply, and sewage handling problem can not be ignored.
The air supporting method is an important method in the sewage disposal; its principle is to make a large amount of microbubble of generation in the water by certain method; to form water, gas and to be removed the three-phase mixture of material; under the acting in conjunction of multiple power such as interfacial tension, bubble rising buoyancy and hydrostaticpressure difference; after promoting that micro bubble sticks on removed tiny oil droplets or the suspended substance; because of adherend density less than floating to the water surface on the water, thereby make elaioleucite or the separated removal of suspended substance in the water.
In sewage disposal, the pre-treatment that air-flotation system is generally handled as two stage biological, remove oil and suspended matter to guarantee the relatively stable of biological treatment influent quality, or being placed on two stage biological handles the advanced treatment of handling as two stage biological afterwards, guarantees to discharge the requirement that effluent quality meets related standards.The air supporting method can be divided into gas distribution air supporting method, electrolytic gas float glass process, biology and chemical air supporting method and dissolved air flotation etc.
At present, the air supporting method is widely used in the processing of petrochemical complex oily(waste)water, and partial reflux dissolved air flotation particularly has both the technological advantage of total reflux, full air-dissolving air-float, and to have the amount of disposing of sewage big and compare gas distribution air supporting method, the characteristics that treatment effect is high; Compare the electrolytic gas float glass process and have and save electric energy and the lower advantage of working cost, be fit to the modern enterprise energy-saving and environmental protection, subtract the requirement of consumption.
The factor that influences the air-dissolving air-float effect has a lot, comprising: the hydraulics of air flotation pool, floc particle size, reaction times, surface load and bubble size etc.Wherein the bubble size is one of the most key factor that influences air flotation effect, studies show that, according to the difference of water quality and surface load, bubble diameter can be obtained best treatment effect when 10-100nm.
Traditional partial reflux air-dissolving air-float system uses equipment such as dissolving, air compressor machine, reflux pump and reliever to produce the air supporting bubble.This air-flotation system volume is bigger, complex structure, not easy care.The more important thing is that the bubble size of its generation is not ideal enough, can not obtain best treatment effect; And at the sewage of different quality, the requirement of bubble size also is not quite similar, traditional air-flotation system bubble size can not regulated at will, can not adapt to the sewage disposal requirement of different quality.
The utility model content
Technical problem to be solved in the utility model provides that a kind of bubble is less, the air supporting treatment effect is better, and the big I of the bubble air supporting Sewage treatment systems of regulating according to applicable cases.
The technical scheme that the utility model solves the problems of the technologies described above is as follows: a kind of air supporting Sewage treatment systems, its main body is made of relatively independent a plurality of water reserves, comprise: flocculation zone, zone of action, disengaging zone, described flocculation zone, zone of action, disengaging zone are communicated with successively; The air supporting Sewage treatment systems also comprises micro-nano bubble generator, and the release head of described micro-nano bubble generator is located at the bottom of zone of action.Micro-nano bubble generator is a kind of specially designed bubble generator, can generate micron, nano level bubble in water.The main frame of micro-nano bubble generator is taken into certain water gaging, and suction air, through the ultra-high speed rotation in producer of pressurization back, the liquid band and the intermediary gas band that under the action of the centrifugal producer inside are divided into periphery, the liquids and gases of choosing commentaries on classics are discharged by two outlet orifices of producer side at a high speed, under the acting in conjunction of spouting of liquid pressure and external water pressure, the gas of contact surface is cut off to pulverize and forms micro-nano bubble in producer, enters the bottom, zone of action through discharging the head ejection.The Controlling System of micro-nano bubble generator can be adjusted its size that produces bubble.
Be provided with the coagulation stirrer at described flocculation zone.In the process of disposing of sewage, sewage at first enters the coagulation district.In sewage, add coagulating agent and coagulant aids, and utilize the coagulation stirrer to stir, make that suspended matter and the organism in the water forms flco.So that next step air supporting is handled.
The top of described flocculation zone is provided with agitated pool, and described agitated pool is provided with water-in, and described coagulation stirrer is positioned at agitated pool; Described flocculation zone bottom is provided with the water hole of crossing of leading to the zone of action.Sewage enters agitated pool from the water-in on top, overflows agitated pool after being stirred and leads to the zone of action through the water hole of crossing of bottom.
Described zone of action and disengaging zone are separated by baffle plate, and the inclination angle of described baffle plate is 45-90 °, and the height of baffle plate is the 1/3-2/3 of zone of action and disengaging zone dash sidewall.Zone of action and disengaging zone come down to a big water reserve, are separated by baffle plate.With respect to the zone of action, the disengaging zone is comparatively steady, and the pollutent that helps being adhered to by bubble separates from water and floats to the liquid level top.
Top, described disengaging zone is provided with the slag equipment of scraping, and its end is provided with the scum silica frost groove, and the scum silica frost trench bottom is provided with scum pipe.By this device, the pollutent that floats to liquid level is discharged smoothly.
On the basis of technique scheme, the utility model can also be done following improvement.
Further, air floating sewage treatment plant also comprises exhalant region, and exhalant region is equal with the height of disengaging zone dash sidewall; The bottom of described disengaging zone is communicated with exhalant region.
Further, the bottom of described disengaging zone is provided with header, and header is provided with water inlet openings; The other end of header has the water outlet opening, passes to the first half of exhalant region.
Further, described exhalant region is provided with overflow port and refluxing opening, and described overflow port is positioned at the top of exhalant region and is lower than the water outlet opening of described header, and refluxing opening is positioned at the exhalant region bottom.
Further, the intake of described micro-nano bubble generator picks out the refluxing opening in pool, realizes the recycling of water.
In the disengaging zone, sewage is after air supporting is handled, and the water quality of bottom is better, so in continuous treating processes, should be from bottom discharge.But dissolved air flotation requires the disengaging zone that certain liquid level is arranged again.Exhalant region has been communicated with the bottom of disengaging zone, and its overflow port has certain height again, thus the water that the disengaging zone bottom treatment is finished can discharge continuously, guarantee the liquid level of disengaging zone again.
The bottom of described zone of action, disengaging zone and exhalant region is respectively equipped with blow-down pipe, turnaround of unit, stop using or other necessary in, the water in the device can be put only by blow-down pipe.
The beneficial effects of the utility model are: 1, can discharge nano level micro-bubble, diameter is 50nm-30nm, compares with traditional air-dissolving air-float, and number of bubbles is more, the residence time is longer, so the bubble utilization ratio promotes greatly, processing efficiency is higher, effluent quality is good.2, adaptability is strong, and operation scheme is versatile and flexible, and micro-nano bubble generator can be regulated bubble diameter according to sewage quality, to adapt to the processing needs of different sewage water quality.3, replace traditional air-dissolving air-float system with micro-nano bubble generator, need not air compressor machine, and saved pressurized vessel and reliever, be difficult for stopping up, save the space, safeguard simply, be convenient to the miniaturization of the control automatically and the equipment of realization.
Description of drawings
Fig. 1 is the vertical view of a kind of embodiment integral body of the utility model air supporting Sewage treatment systems;
Fig. 2 is along the sectional view of A-A direction among Fig. 1;
Fig. 3 is along the sectional view of B-B direction among Fig. 1;
In the accompanying drawing, the list of parts of each label representative is as follows:
1, flocculation zone, 2, the zone of action, 3, the disengaging zone, 4, exhalant region, 5, water-in, 6, the coagulation stirrer, 61, agitated pool, 7, baffle plate, 8, micro-nano bubble generator, 81, the release head of micro-nano bubble generator, 9, scrape slag equipment, 10, the scum silica frost groove, 11, scum pipe, 12, header, 13, overflow port, 14, blow-down pipe, 15, cross the water hole, 16, refluxing opening.
Embodiment
Below in conjunction with accompanying drawing principle of the present utility model and feature are described, institute gives an actual example and only is used to explain the utility model, is not to be used to limit scope of the present utility model.
As shown in Figure 1 and Figure 2, air supporting Sewage treatment systems has four retaining zones: flocculation zone 1, zone of action 2, disengaging zone 3 and exhalant region 4.Its main body can be made by steel plate or Steel Concrete, and four water reserves are as a whole, separated by dividing plate each other.Be provided with micro-nano bubble generator 8 outside air supporting Sewage treatment systems water reserve, bubble generator produces the size of bubble and according to circumstances regulates, and can discharge the bubble that diameter is 50nm-30nm.
As Fig. 2, shown in Figure 3, flocculation zone 1 is provided with coagulation stirrer 6 and agitated pool 61.Agitated pool 61 is fixed on flocculation zone 1 top, its opened upper end and be lower than the height of flocculation zone 1 upper edge.Agitated pool 61 is provided with water-in 5, and pending sewage is entered by this water-in 5.Described coagulation stirrer 6 is installed on the agitated pool 61.Flocculation zone 1 bottom is provided with the water hole 15 excessively of leading to zone of action 2.
Zone of action 2 is adjacent with flocculation zone 1, and the bottom of zone of action 2 is provided with the release 81 of micro-nano bubble generator 8.
Disengaging zone 3 is adjacent with zone of action 2.Separate by baffle plate 7 between zone of action 2 and the disengaging zone 3.Inclination angle between baffle plate 7 and bottom surface is 45-90 °, 60 ° of the bests, and the height of baffle plate 7 is the 1/3-2/3 of zone of action 2 and disengaging zone 3 dash sidewalls.Disengaging zone 3 communicates with 2 tops, zone of action.3 tops, disengaging zone are provided with the slag equipment 9 of scraping, and its end is provided with scum silica frost groove 10, and scum silica frost groove 10 bottoms are provided with scum pipe 11.Scraping slag equipment 9 can be brought to the scum silica frost of liquid level together, concentrates and discharges.
Exhalant region 4 is adjacent with disengaging zone 3, and exhalant region 4 is identical with the height of disengaging zone 3 dash sidewalls.The bottom of disengaging zone 3 is communicated with by header 12 with exhalant region 4.Header 12 in the disengaging zone 3 bottom level lay, water inlet openings is arranged at the bottom of this section header 12, the other end of header 12 passes to the first half of exhalant region 4, and has the water outlet opening.Exhalant region 4 is provided with overflow port 13 and refluxing opening 16, and described overflow port 13 is positioned at the top of exhalant region 4 and is lower than the water outlet opening of described header 12, and refluxing opening 16 is positioned at exhalant region 4 bottoms.The intake of described micro-nano bubble generator 8 picks out the refluxing opening 16 in pool 4.
In the zone of action 2, the bottom of disengaging zone 3 and exhalant region 4 is respectively equipped with blow-down pipe 14, turnaround of unit, stop using or other necessary in, the water in the device can be put only by blow-down pipe 14.
During the work of air supporting Sewage treatment systems, pending waste water at first enters the agitated pool 61 of flocculation zone 1 by water-in 5, by chemicals dosing plant dosing coagulant and coagulant aids in agitated pool 61,, make that suspended matter and the organism in the water forms flco through the stirring of coagulation stirrer 6.Sewage in the agitated pool 61 overflows and enters flocculation zone 1, and the water hole 15 of crossing by flocculation zone 1 bottom enters zone of action 2.In the zone of action 2, the release of micro-nano bubble generator 8 81 discharges a large amount of micro-nano bubbles, with the waste water thorough mixing, makes in the water flco or suspended substance fully absorb the adhesion micro-bubble, crosses baffle plate 7 then and enters disengaging zone 3.In the disengaging zone 3, the suspended contaminant that adheres to micro-bubble floats to liquid level and forms scum silica frost.Scrape slag equipment 9 scum silica frost is scraped into scum silica frost groove 10, final scum silica frost is got rid of by scum pipe 11.The waste water of handling well enters exhalant region 4 by the header 12 that is located at 3 bottoms, disengaging zone.At exhalant region 4, liquid level a little less than with disengaging zone 3, the waste water of handling well is discharged by overflow port 13 overflows, part refluxes by refluxing opening 16, for micro-nano bubble generator 8 uses.
The above only is preferred embodiment of the present utility model, and is in order to restriction the utility model, not all within spirit of the present utility model and principle, any modification of being done, is equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.

Claims (10)

1. an air supporting Sewage treatment systems comprises relatively independent a plurality of water reserves, it is characterized in that, described water reserve is made up of flocculation zone (1), zone of action (2), disengaging zone (3), and described flocculation zone (1), zone of action (2), disengaging zone (3) are communicated with successively;
Also comprise micro-nano bubble generator (8), the release head (81) of described micro-nano bubble generator is located at the bottom of zone of action (2).
2. air supporting Sewage treatment systems according to claim 1 is characterized in that, described flocculation zone (1) is provided with coagulation stirrer (6).
3. air supporting Sewage treatment systems according to claim 2 is characterized in that, the top of described flocculation zone (1) is provided with agitated pool (61), and described agitated pool (61) is provided with water-in (5), and described coagulation stirrer (6) is positioned at agitated pool (61); Described flocculation zone (1) bottom is provided with the water hole (15) excessively of leading to zone of action (2).
4. air supporting Sewage treatment systems according to claim 1, it is characterized in that, described zone of action (2) and disengaging zone (3) are separated by baffle plate (7), and the inclination angle of described baffle plate (7) is 45-90 °, and the height of baffle plate (7) is the 1/3-2/3 of zone of action (2) and disengaging zone (3) dash sidewall.
5. air supporting Sewage treatment systems according to claim 1 is characterized in that, top, described disengaging zone (3) is provided with the slag equipment (9) of scraping, and its end is provided with scum silica frost groove (10), and scum silica frost groove (10) bottom is provided with scum pipe (11).
6. according to each described air supporting Sewage treatment systems in the claim 1 to 5, it is characterized in that also comprise exhalant region (4), exhalant region (4) is equal with the height of disengaging zone (3) dash sidewall; The bottom of described disengaging zone (3) is communicated with exhalant region (4).
7. air supporting Sewage treatment systems according to claim 6 is characterized in that, the bottom of described disengaging zone (3) is provided with header (12), and header (12) is provided with water inlet openings; The other end of header (12) has the water outlet opening, passes to the first half of exhalant region (4).
8. air supporting Sewage treatment systems according to claim 7, it is characterized in that, described exhalant region (4) is provided with overflow port (13) and refluxing opening (16), described overflow port (13) is positioned at the top of exhalant region (4) and is lower than the water outlet opening of described header (12), and refluxing opening (16) is positioned at exhalant region (4) bottom.
9. air supporting Sewage treatment systems according to claim 8 is characterized in that, the intake of described micro-nano bubble generator (8) picks out the refluxing opening (16) of pool (4).
10. air supporting Sewage treatment systems according to claim 6, the bottom of described zone of action (2), disengaging zone (3) and exhalant region (4) is respectively equipped with blow-down pipe (14).
CN2009201082855U 2009-05-27 2009-05-27 Air-floating sewage treatment system Expired - Lifetime CN201437517U (en)

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101857292A (en) * 2010-06-17 2010-10-13 云南夏之春环保科技有限公司 Submicron bubble water treatment technology
CN102774921A (en) * 2012-08-15 2012-11-14 北京英特环科水处理工程设备有限公司 Nanometer (NM) gas floating system device
CN102774922A (en) * 2012-08-20 2012-11-14 宜兴市富陶环境保护设备有限公司 Gas floating device
CN102815823A (en) * 2012-08-28 2012-12-12 宜兴市金德环保设备有限公司 Air-flotation and oxidation machine
CN102863058A (en) * 2011-07-08 2013-01-09 蓝星环境工程有限公司 Air-floatation water treatment system
CN104773876A (en) * 2015-04-14 2015-07-15 谭建忠 Microbubble quick flocculation device
CN104961289A (en) * 2015-03-27 2015-10-07 湖北源中清生物环保科技有限公司 Micro-nano aeration high-efficiency biotreatment technical system for livestock and poultry breeding wastewater
CN106044915A (en) * 2016-07-14 2016-10-26 宁波威博环保科技有限公司 Production wastewater treatment system
CN107758910A (en) * 2016-08-18 2018-03-06 宜兴市天马环保工程有限公司 The automatical and efficient precipitation-air-flotation device of integrated form
CN107922226A (en) * 2015-04-06 2018-04-17 纳巴斯集团公司 Micro-nano bubble and hydroxyl radical free radical maker and the system for handling contaminated water in the case of no chemicals using the maker

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101857292B (en) * 2010-06-17 2012-01-11 云南夏之春环保科技有限公司 Submicron bubble water treatment technology
CN101857292A (en) * 2010-06-17 2010-10-13 云南夏之春环保科技有限公司 Submicron bubble water treatment technology
CN102863058B (en) * 2011-07-08 2014-11-26 蓝星环境工程有限公司 Air-floatation water treatment system
CN102863058A (en) * 2011-07-08 2013-01-09 蓝星环境工程有限公司 Air-floatation water treatment system
CN102774921B (en) * 2012-08-15 2014-01-15 北京英特环科水处理工程设备有限公司 Nanometer (NM) gas floating system device
CN102774921A (en) * 2012-08-15 2012-11-14 北京英特环科水处理工程设备有限公司 Nanometer (NM) gas floating system device
CN102774922A (en) * 2012-08-20 2012-11-14 宜兴市富陶环境保护设备有限公司 Gas floating device
CN102815823A (en) * 2012-08-28 2012-12-12 宜兴市金德环保设备有限公司 Air-flotation and oxidation machine
CN104961289A (en) * 2015-03-27 2015-10-07 湖北源中清生物环保科技有限公司 Micro-nano aeration high-efficiency biotreatment technical system for livestock and poultry breeding wastewater
CN107922226A (en) * 2015-04-06 2018-04-17 纳巴斯集团公司 Micro-nano bubble and hydroxyl radical free radical maker and the system for handling contaminated water in the case of no chemicals using the maker
CN104773876A (en) * 2015-04-14 2015-07-15 谭建忠 Microbubble quick flocculation device
CN106044915A (en) * 2016-07-14 2016-10-26 宁波威博环保科技有限公司 Production wastewater treatment system
CN107758910A (en) * 2016-08-18 2018-03-06 宜兴市天马环保工程有限公司 The automatical and efficient precipitation-air-flotation device of integrated form

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C14 Grant of patent or utility model
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PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: Air-floating sewage treatment system

Effective date of registration: 20100729

Granted publication date: 20100414

Pledgee: Zhongguancun Beijing science and technology Company limited by guarantee

Pledgor: Beijing Puresino-Boda Environmental Engineering Co., Ltd.

Registration number: 2010990000831

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Owner name: BOTIAN ENVIRONMENTAL ENGINEERING (BEIJING) CO., LT

Free format text: FORMER OWNER: BEIJING MEIHUA BODA ENVIRONMENTAL ENGINEERING CO., LTD.

Effective date: 20120621

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Effective date of registration: 20120621

Address after: 100082, 12A06-08 building, Shougang complex, No. 60 North Main Street, Haidian District, Beijing, Xizhimen

Patentee after: Bossin Environmental Engineering (Beijing) Co., Ltd.

Address before: 100082 Beijing Xizhimen North Street, Shougang International Building, No. 60, 12A

Patentee before: Beijing Puresino-Boda Environmental Engineering Co., Ltd.

C56 Change in the name or address of the patentee

Owner name: POTEN ENVIRONMENT GROUP CO., LTD.

Free format text: FORMER NAME: POTEN ENVIRONMENTAL ENGINEERING (BEIJING) CO., LTD.

CP01 Change in the name or title of a patent holder

Address after: 100082, 12A06-08 building, Shougang complex, No. 60 North Main Street, Haidian District, Beijing, Xizhimen

Patentee after: POTEN ENVIRONMENT GROUP CO., LTD.

Address before: 100082, 12A06-08 building, Shougang complex, No. 60 North Main Street, Haidian District, Beijing, Xizhimen

Patentee before: Bossin Environmental Engineering (Beijing) Co., Ltd.

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Granted publication date: 20100414