CN203048660U - Biological contact oxidation pond - Google Patents
Biological contact oxidation pond Download PDFInfo
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- CN203048660U CN203048660U CN2012206944450U CN201220694445U CN203048660U CN 203048660 U CN203048660 U CN 203048660U CN 2012206944450 U CN2012206944450 U CN 2012206944450U CN 201220694445 U CN201220694445 U CN 201220694445U CN 203048660 U CN203048660 U CN 203048660U
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- nano bubble
- contact oxidation
- biological contact
- water
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
Abstract
The utility model provides a biological contact oxidation pond which comprises a pond body, filler, a water inlet, water outlets and a micro-nano bubble generation device, wherein the filler is filled in the pond body; the water inlet is formed at the bottom of the pond body; and the water outlets are formed around the top of the pond body. According to the biological contact oxidation pond provided by the utility model, the micro-nano bubble generation device is used as an aeration device; the generated micro-nano bubbles have small diameter, low rising velocity and good uniform diffusivity, and oxygen can be uniformly distributed in the pond body; the micro-nano bubble has large specific surface area, the air-liquid contact area is large, and the oxygen transfer speed can be increased; and moreover, the attachment effect of the micro-nano bubble to the filler is good, the oxygen content and the oxygen transfer efficiency in the sewage are improved, the thrust of transferring oxygen into a biomembrane and the penetration depth in the biomembrane are increased, thus the activity of the biomembrane is enhanced, the active microorganisms are increased, and the organism degradation rate is improved.
Description
Technical field
The utility model relates to a kind of biological contact oxidation pond, particularly relates to a kind of biological contact oxidation pond that adopts new aerating apparatus.
Background technology
Modern sewage disposal technology is divided by processing mode, can be divided into physical treatment, chemical treatment and biological treatment.The physical treatment method is called mechanical improvement method again.Mainly for separating of the suspension material in the waste water.This method biggest advantage is simple, easy row, respond well, and very economical.Physics improvement method commonly used has: gravitational separation process, centrifugal separation, filtration method and evaporative crystallization method etc.The main processing of method of chemical treatment to as if waste water in the pollution substance of solvability or colloidality.It both can make pollutant and water sepn, also can change some pollution substance and organism etc., therefore can reach the degree of purification higher than physical method.In the time of particularly will from waste water, reclaiming useful matter, contain in the waste water perhaps that certain is poisonous, during the harmful and material that is difficult for being degraded by microorganisms, adopt the chemical harnessing method the most suitable.Yet the Chemo-Therapy logos often need adopt chemical agent or material, so working cost is operated with the requirement of management and also compared strictness etc. generally all than higher.And, in the pre-treatment or last handling process of chemical method, also need be used physics improvement method usually.Utilize the method for microbiological treatment waste water, be called biological treatment or biochemical treatment process.In the process of microbial life activity, a part of deliquescent organic substance is for the synthesis of protoplasma and the repertory of cell; A part then becomes meta-bolites, and gives off energy, and supplies with the plasmic synthetic and vital movement of microorganism, makes the microorganism ground growth and breeding that can keep, thereby makes waste water obtain purification, and biological treatment utilizes this function exactly.According to the respiratory characteristic of microorganism, be divided into aerobic, anaerobism and facultative three major types microorganism, and aerobic treatment two class bioremediations.
Biological contact oxidation process belongs to aerobic biological process for treating, it be the microbial film that is attached on the carrier (filler) be main, a kind of efficient water technology of purification of organic waste water, the biomembrance process with activated sludge process characteristics has the advantage of activated sludge process and biomembrance process concurrently.Its method is in the body of pond filler to be set, and aeration carries out oxygenation to sewage at the bottom of the pond, and makes that sewage is in flow state in the body of pond, fully contacts with filler in the sewage to guarantee sewage.Requisite oxygen is supplied with by blast aeration in the general biological contact oxidation process, because the sludge loading in the biological contact oxidation process is bigger, causes the required aeration rate of whole biological contact oxidation pond big, and energy consumption is higher; The blast aeration bubble is bigger, easily impacts microbial film, can cause biofilm detachment and oxygen problem such as pockety in water.
The utility model content
Based on this, be necessary at prior art problems, a kind of new biological contact oxidation pond simple in structure, easy to use is provided.
The technical solution of the utility model is as follows:
A kind of biological contact oxidation pond, comprise pond body, filler, water-in and water outlet, described biological contact oxidation pond also comprises micro-nano bubble generator, described filler is filled in the body of described pond, described water-in is arranged on the bottom of described pond body, and described water outlet is arranged on around the top of described pond body.
Therein among embodiment, described micro-nano bubble generator comprises pressure air-dissolving device and micro-nano bubble releasing device, described pressure air-dissolving device and micro-nano bubble releasing device are connected, and described micro-nano bubble releasing device is arranged on body inside, described pond.
Therein among embodiment, described pressure air-dissolving device comprises water inlet pipe, pressurizing device, dissolved air water jar and dissolved air water delivery line, described micro-nano bubble releasing device comprises micro-nano bubble reliever, and described micro-nano bubble reliever is provided with jet hole; Described pressurizing device is connected with described dissolved air water jar, one end of described dissolved air water delivery line is connected with described dissolved air water jar, the other end of described dissolved air water delivery line is connected with described micro-nano bubble reliever, and described micro-nano bubble reliever is arranged on the bottom of described pond body.
Among embodiment, described filler is the medium-soft bat wool therein, the volume of described filler account for described pond body volume 70% to 85%.
Among embodiment, the quantity of described micro-nano bubble reliever is a plurality of therein, and described a plurality of micro-nano bubble relievers are evenly distributed on the bottom of described pond body.
Among embodiment, the height of described pond body is 4.0 to 4.5 meters therein.
Among embodiment, described pressurizing device is force (forcing) pump therein.
Among embodiment, described pressurizing device is gas self-straw and water level sensor therein, and described gas self-straw is arranged on the described water inlet pipe, and the gas self-straw is provided with gas self-priming amount and adjusts valve; Described water level sensor is arranged on the inside of described dissolved air water jar.
Among embodiment, described pressure air-dissolving device also comprises pressure transmitter and outlet valve therein, and pressure transmitter and outlet valve are arranged on the dissolved air water delivery line, and near the dissolved air water jar.
The beneficial effects of the utility model are:
Biological contact oxidation pond of the present utility model adopts micro-nano bubble generator as aerating apparatus, the bubble that this micro-nano bubble generator produces is micro-nano bubble, diameter is little, lift velocity is slow, the even diffustivity of micro-nano bubble is good, oxygen is evenly distributed in the body of pond, and this micro-nano bubble ratio surface-area is big, the gas-to-liquid contact area is big, can improve the oxygen transmission speed, in addition, micro-nano bubble is good to the adhesion effect of filler, can improve oxygen amount in the sewage and the transfer efficiency of oxygen, increase impellent that oxygen shifts in the microbial film and depth of penetration in the microbial film, biomembrane activity is improved, and the living microorganism amount increases, and improves organic matter degradation rate.
Description of drawings
Below in conjunction with concrete drawings and the specific embodiments, the utility model is further elaborated.
Fig. 1 is the overall schematic of an embodiment of biological contact oxidation pond of the present utility model.
Embodiment
The utility model provides a kind of new biological contact oxidation pond.Below in conjunction with specific embodiment the utility model is described in further details.
A kind of biological contact oxidation pond, comprise pond body 11, filler 12, water-in 13 and water outlet 14, described biological contact oxidation pond also comprises micro-nano bubble generator, described filler 12 is filled in the described pond body 11, described water-in 13 is arranged on the bottom of described pond body 11, and described water outlet 14 is arranged on around the top of described pond body 11.
It mainly is by the contact of the circulation between microbial film, organism and the oxygen three that biological contact oxidation pond is purified waste water, so aerating apparatus has important effect to biological contact oxidation pond.The micro-nano bubble volume that micro-nano bubble generator in the present embodiment produces is little, and quantity is many, and the gas-to-liquid contact area is big, and good dispersity easily evenly spreads with water body, and the lifetime in water is long.After the sewage that contains micro-nano bubble enters contact-oxidation pool, at first, contact area between gas-liquid owing to increased, can improve the oxygen transfer efficiency, can guarantee has sufficient dissolved oxygen in the water body, and reduces aeration rate.And because laterally evenly diffusion of micro-nano bubble, in mobile process, oxygen in the sewage is evenly distributed, contained oxygen can fully contact with microbial film with organism in the micro-nano bubble simultaneously, moreover the surface of micro-nano bubble can the enrichment electric charge, improve biomembranous activity, improved biomembranous vigor and oxidation capacity.Present embodiment utilizes micro-nano bubble to the adhewsive action of filler, improved the oxygen amount in the sewage, improved the transfer efficiency of dirty water oxygen, increase impellent that oxygen shifts in the microbial film and the depth of penetration in the microbial film, make biomembranous active the raising, the living microorganism amount increases, and has improved organic degradation rate.
Preferable, as a kind of embodiment, described micro-nano bubble generator comprises pressure air-dissolving device and micro-nano bubble releasing device, and described pressure air-dissolving device and micro-nano bubble releasing device are connected, and described micro-nano bubble releasing device is arranged on body inside, described pond.Present embodiment reduces construction costs in order to save the volume of biological contact oxidation pond, the pressure air-dissolving device is arranged on the outside of biological contact oxidation pond.
More excellent, described pressure air-dissolving device comprises water inlet pipe 22, pressurizing device, dissolved air water jar 23 and dissolved air water delivery line 24, and described micro-nano bubble releasing device comprises micro-nano bubble reliever 25, and described micro-nano bubble reliever 25 is provided with jet hole; Described pressurizing device is connected with described dissolved air water jar 23, one end of described dissolved air water delivery line 24 is connected with described dissolved air water jar 23, the other end of described dissolved air water delivery line 24 is connected with described micro-nano bubble reliever 25, and described micro-nano bubble reliever 25 is arranged on the bottom of described pond body.The working process of the pressure container apparatus in the present embodiment is that clear water is raised pump and promotes when entering the dissolved air water jar, sewage generally is pressurized to 3 ~ 4 normal atmosphere, feed a certain amount of pressurized air by pressurizing device toward dissolved air water jar 23 simultaneously, gas-vapor mix with certain pressure stays for some time in the dissolved air water jar, carry out the dissolving of air water mixing and air, jet hole by micro-nano bubble reliever discharges micro-nano bubble and makes it enter coagulation floatation then, micro-nano bubble reliever produces negative pressure simultaneously, isolate foam in the process that these micro-nano bubbles rise, water is separated thus.In the present embodiment, the diameter of the micro-nano bubble that produces is 1-50 μ m, the water that enters the dissolved air water jar is water outlet or the clear water after handling through waste disposal plant, and the water yield that enters the dissolved air water jar accounts for 30% of whole biological contact oxidation pond volume, and namely reflux ratio herein is 30%; Described micro-nano bubble reliever is spherical.
Preferable, as a kind of embodiment, described filler is the medium-soft bat wool, the volume of described filler account for described pond body volume 70% to 85%.The medium-soft bat wool of present embodiment has certain rigidity, utilizes the adsorption between micro-nano bubble and bat wool simultaneously, improves oxygen utilization efficient, reduces the oxygen usage quantity.
Preferable, as a kind of embodiment, the quantity of described micro-nano bubble reliever is a plurality of, described a plurality of micro-nano bubble relievers are evenly distributed on the bottom of described pond body.Present embodiment arranges a plurality of micro-nano bubble relievers, can better adapt to the sewage of different quality like this, guarantees the dissolved oxygen of biological contact oxidation pond.
Preferable, as a kind of embodiment, the height of described pond body is 4.0 to 4.5 meters.Because micro-nano bubble volume is little, quantity is many, makes the dissolved oxygen of whole biological contact oxidation pond be evenly distributed, so the height of the pond body of present embodiment is lower than existing pond height degree slightly, can save construction investment like this.
Preferable, as a kind of embodiment, described pressurizing device is force (forcing) pump.
Preferable, as a kind of embodiment, described pressurizing device is gas self-straw 26 and water level sensor 27, and described gas self-straw 26 is arranged on the described water inlet pipe 22, and the gas self-straw is provided with gas self-priming amount and adjusts valve 261; Described water level sensor 27 is arranged on the inside of described dissolved air water jar 23, be used for controlling gas self-priming amount and adjust valve 261, make the water level in the dissolved air water jar 23 keep preset level, and the gas dissolving water of acquisition preset concentration, and then micro-nano bubble amount and concentration in the water inlet of adjusting biological contact oxidation pond.
More excellent, the pressure air-dissolving device of present embodiment also comprises pressure transmitter 28 and outlet valve 29, pressure transmitter 28 and outlet valve 29 are arranged on the dissolved air water delivery line 24, and near dissolved air water jar 23.In the present embodiment, by lift pump 15 sewage is sucked from pretreatment unit, the gas self-straw is negative pressure, thereby adjusts valve from air absorbing body by gas self-priming amount, can be to the pressure fluid of conveying gas-liquid mixed in the water inlet pipe; Detect the pressure of dissolved air water jar with pressure transmitter and regulate with outlet valve simultaneously, the pressure in the dissolved air water jar can be adjusted to preset value, adjust valve by water level sensor control self-priming amount, make the water level in the dissolved air water jar remain on preset level.
At last, need to prove, in this patent document, the relational terms such as first, second grade only is used for an entity or operation are made a distinction with another entity or operation, and not necessarily requires or hint and have any relation or in proper order between these entities or the operation.And, in this patent document, term " comprises ", " comprising " or its any other variant, it is intended to contain and nonexcludability comprises, thereby make process, method, article or the equipment that comprises a series of key elements, not only comprise these key elements, but also comprise and clearly not listing and other key elements that those skilled in the art can know, perhaps also be included as the known requisite key element of these processes, method, article or equipment.
The above embodiment has only expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model claim.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the utility model design, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (9)
1. a biological contact oxidation pond comprises pond body, filler, water-in and water outlet, it is characterized in that,
Described biological contact oxidation pond also comprises micro-nano bubble generator, and described filler is filled in the body of described pond, and described water-in is arranged on the bottom of described pond body, and described water outlet is arranged on around the top of described pond body.
2. biological contact oxidation pond according to claim 1, it is characterized in that, described micro-nano bubble generator comprises pressure air-dissolving device and micro-nano bubble releasing device, described pressure air-dissolving device and micro-nano bubble releasing device are connected, and described micro-nano bubble releasing device is arranged on body inside, described pond.
3. biological contact oxidation pond according to claim 2, it is characterized in that, described pressure air-dissolving device comprises water inlet pipe, pressurizing device, dissolved air water jar and dissolved air water delivery line, described micro-nano bubble releasing device comprises micro-nano bubble reliever, and described micro-nano bubble reliever is provided with jet hole; Described pressurizing device is connected with described dissolved air water jar, one end of described dissolved air water delivery line is connected with described dissolved air water jar, the other end of described dissolved air water delivery line is connected with described micro-nano bubble reliever, and described micro-nano bubble reliever is arranged on the bottom of described pond body.
4. biological contact oxidation pond according to claim 1 is characterized in that, described filler is the medium-soft bat wool, the volume of described filler account for described pond body volume 70% to 85%.
5. biological contact oxidation pond according to claim 3 is characterized in that, the quantity of described micro-nano bubble reliever is a plurality of, and described a plurality of micro-nano bubble relievers are evenly distributed on the bottom of described pond body.
6. biological contact oxidation pond according to claim 3 is characterized in that, the height of described pond body is 4.0 to 4.5 meters.
7. biological contact oxidation pond according to claim 3 is characterized in that, described pressurizing device is force (forcing) pump.
8. biological contact oxidation pond according to claim 3 is characterized in that, described pressurizing device is gas self-straw and water level sensor, and described gas self-straw is arranged on the described water inlet pipe, and the gas self-straw is provided with gas self-priming amount and adjusts valve; Described water level sensor is arranged on the inside of described dissolved air water jar.
9. biological contact oxidation pond according to claim 8 is characterized in that, described pressure air-dissolving device also comprises pressure transmitter and outlet valve, and pressure transmitter and outlet valve are arranged on the dissolved air water delivery line, and near the dissolved air water jar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206944450U CN203048660U (en) | 2012-12-14 | 2012-12-14 | Biological contact oxidation pond |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206944450U CN203048660U (en) | 2012-12-14 | 2012-12-14 | Biological contact oxidation pond |
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| CN203048660U true CN203048660U (en) | 2013-07-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012206944450U Expired - Lifetime CN203048660U (en) | 2012-12-14 | 2012-12-14 | Biological contact oxidation pond |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106823752A (en) * | 2017-03-28 | 2017-06-13 | 中国科学院城市环境研究所 | A kind of novel liquid-phase oxidative absorption method of denitration and system |
| CN107151049A (en) * | 2017-07-05 | 2017-09-12 | 南京乐翼环境科技有限公司 | A kind of oxygen-enriched biological oxidation system |
| CN107921490A (en) * | 2015-08-13 | 2018-04-17 | 微巨营农组合法人 | A kind of livestock and poultry corpse innocent treatment equipment and burial method |
| CN108046530A (en) * | 2017-12-21 | 2018-05-18 | 重庆丰望环保科技有限公司 | A kind of medical waste water processing system that new contact-oxidation pool is set |
| CN116769568A (en) * | 2023-06-05 | 2023-09-19 | 中国华电科工集团有限公司 | Straw treatment system and method |
-
2012
- 2012-12-14 CN CN2012206944450U patent/CN203048660U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107921490A (en) * | 2015-08-13 | 2018-04-17 | 微巨营农组合法人 | A kind of livestock and poultry corpse innocent treatment equipment and burial method |
| CN106823752A (en) * | 2017-03-28 | 2017-06-13 | 中国科学院城市环境研究所 | A kind of novel liquid-phase oxidative absorption method of denitration and system |
| CN107151049A (en) * | 2017-07-05 | 2017-09-12 | 南京乐翼环境科技有限公司 | A kind of oxygen-enriched biological oxidation system |
| CN108046530A (en) * | 2017-12-21 | 2018-05-18 | 重庆丰望环保科技有限公司 | A kind of medical waste water processing system that new contact-oxidation pool is set |
| CN116769568A (en) * | 2023-06-05 | 2023-09-19 | 中国华电科工集团有限公司 | Straw treatment system and method |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190214 Address after: No. 5 Xingye Street, Beijing Economic and Technological Development Zone, 100176 Patentee after: BLUESTAR (BEIJING) CHEMICAL MACHINERY Co.,Ltd. Address before: 100080 No. 62, West North Fourth Ring Road, Haidian District, Beijing Patentee before: Bluestar Environment Engineering Co.,Ltd. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130710 |