CN103922476B - A kind of sectional type A 2/ O activated sludge process reaction unit - Google Patents
A kind of sectional type A 2/ O activated sludge process reaction unit Download PDFInfo
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- CN103922476B CN103922476B CN201410201285.5A CN201410201285A CN103922476B CN 103922476 B CN103922476 B CN 103922476B CN 201410201285 A CN201410201285 A CN 201410201285A CN 103922476 B CN103922476 B CN 103922476B
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Abstract
The invention discloses a kind of sectional type A
2/ O activated sludge process reaction unit, comprise reaction tank, also comprise at least two device for separating mud and water, at least two device for separating mud and water are arranged in reaction tank, along water (flow) direction, reaction tank is separated into anaerobic pond successively, anoxic pond and Aerobic Pond, device for separating mud and water comprises the first overflow plate be arranged in order along water (flow) direction, flow deflector and the second overflow plate, by arranging device for separating mud and water, the velocity of flow of muddy water mixed solution in each reaction tank can be slowed down, make it to stop time enough at each reaction tank, react fully, simultaneously, device for separating mud and water at muddy water mixed solution through out-of-date, precipitating action can be relied on to be retained by partial sludge makes it return original reaction tank, which reduce the blending of the mud containing different strain, maintain the quantity of effective flora of each reaction tank, improve the utilization ratio of mud, and then the processing efficiency improved.
Description
Technical field
The present invention relates to sewage water filtration processing technology field, particularly a kind of sectional type A
2/ O activated sludge process reaction unit.
Background technology
A
2/ O technique is also known as A-A-O technique, and being the abbreviation (anaerobic-anoxic-oxic) of English Anaerobic-Anoxic-Oxic first letter, is the abbreviation of biological denitrification phosphorous removal technique.
In prior art, usually adopt sectional type A
2/ O activated sludge process reaction unit, it comprises anaerobic reactor, anoxic reacter, aerobic reactor and settling tank, in the course of the work, first raw waste water and the mud refluxed from settling tank enter anaerobic reactor, polyP bacteria in this mud utilizes the dissolved organic matter in raw waste water to carry out anaerobic phosphorus release, then anoxic reacter is entered together with the mixed solution refluxed with aerobic reactor end, denitrifying bacteria in this mud utilizes the nitrate of remaining organism and backflow to carry out denitrification denitrogenation, after denitrification reaction completes, enter aerobic reactor, nitrifier in this mud carries out polyP bacteria while that the mineralized nitrogen in waste water being nitrate by nitrification and carries out aerobic suction phosphorus, remaining organism is also oxidized by aerobic bacteria at this, mud-water separation is carried out finally by settling tank, Chinese effluent, the sludge part of precipitation returns anaerobic reactor, part is discharged with rich phosphorus excess sludge.But destroy anaerobic environment with a large amount of nitrate radicals in returned sluge, unfavorable to system dephosphorization, also result in the destruction of efficient bacterium growing environment in each reactor, mud can not be fully utilized, and reduces processing efficiency.
Therefore, a kind of sectional type A how is provided
2/ O activated sludge process reaction unit, makes the quantity of its bacterial classification of remaining valid, and improves utilization ratio and the processing efficiency of mud, becomes the important technological problems that those skilled in the art are urgently to be resolved hurrily.
Summary of the invention
In view of this, the invention provides a kind of sectional type A
2/ O activated sludge process reaction unit, to reach the quantity making its bacterial classification of remaining valid, improves the utilization ratio of mud and the object of processing efficiency.
For achieving the above object, the invention provides following technical scheme:
A kind of sectional type A
2/ O activated sludge process reaction unit, comprise reaction tank, also comprise at least two device for separating mud and water, at least two described device for separating mud and water are arranged in described reaction tank, along water (flow) direction, described reaction tank is separated into anaerobic pond successively, anoxic pond and Aerobic Pond, described device for separating mud and water comprises the first overflow plate be arranged in order along water (flow) direction, flow deflector and the second overflow plate, the both sides of described first overflow plate and described flow deflector are all connected with the pool wall of described reaction tank and bottom all with at the bottom of the pond of described reaction tank keeps certain distance, the both sides of described second overflow plate and bottom are connected respectively with at the bottom of the pool wall of described reaction tank and pond, the top of described first overflow plate and described second overflow plate is lower than the upper edge of described reaction tank, the top of described flow deflector is higher than the top of described first overflow plate and described second overflow plate, descending water channel is formed between described first overflow plate and described flow deflector, up water channel is formed between described flow deflector and described second overflow plate, described descending water channel is communicated with in the bottom end of described flow deflector with described up water channel.
Preferably, described first overflow plate comprises vertical the first mainboard of arranging and is connected to described first mainboard bottom first traverse baffle, the angle between described first mainboard and described first traverse baffle be obtuse angle and one end of being connected with described first mainboard away from more described first traverse baffle in one end of described first mainboard of described first traverse baffle closer to described second overflow plate.
Preferably, described second overflow plate comprises vertical the second mainboard arranged and the second traverse baffle be connected on described second mainboard, the both sides of described second mainboard and bottom are connected respectively at the bottom of the pool wall of described reaction tank and pond, described second traverse baffle is arranged on described second mainboard near the side of described flow deflector, described second traverse baffle is downward-sloping from one end that it is connected with described second mainboard, described second traverse baffle jointly forms mud away from one end of described second mainboard and described first traverse baffle away from one end of described first mainboard and falls mouth after rise.
Preferably, described first overflow plate, described flow deflector and described second overflow plate all adopt stainless material to make.
Preferably, the surface of described first overflow plate, described flow deflector and described second overflow plate all scribbles rust-inhibiting paint.
Preferably, multiple described device for separating mud and water is provided with in described Aerobic Pond.
As can be seen from technique scheme, sectional type A provided by the invention
2/ O activated sludge process reaction unit, comprise reaction tank, also comprise at least two device for separating mud and water, at least two device for separating mud and water are arranged in reaction tank, along water (flow) direction, reaction tank is separated into anaerobic pond successively, anoxic pond and Aerobic Pond, device for separating mud and water comprises the first overflow plate be arranged in order along water (flow) direction, flow deflector and the second overflow plate, the both sides of the first overflow plate and flow deflector are all connected with the pool wall of reaction tank and bottom all keeps certain distance with at the bottom of the pond of reaction tank, the both sides of the second overflow plate and bottom are connected respectively with at the bottom of the pool wall of reaction tank and pond, the top of the first overflow plate and the second overflow plate is lower than the upper edge of reaction tank, the top of flow deflector is higher than the top of the first overflow plate and the second overflow plate, descending water channel is formed between first overflow plate and flow deflector, up water channel is formed between flow deflector and the second overflow plate, descending water channel is communicated with the bottom end of up water channel at flow deflector, by arranging device for separating mud and water, the velocity of flow of muddy water mixed solution in each reaction tank can be slowed down, make it to stop time enough at each reaction tank, react fully, simultaneously, device for separating mud and water at muddy water mixed solution through out-of-date, precipitating action can be relied on to be retained by partial sludge makes it return original reaction tank, which reduce the blending of the mud containing different strain, maintain the quantity of effective flora of each reaction tank, improve the utilization ratio of mud, and then the processing efficiency improved.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of the device for separating mud and water that Fig. 1 provides for the embodiment of the present invention;
The sectional type A that Fig. 2 provides for the embodiment of the present invention
2the structural representation of/O activated sludge process reaction unit.
Embodiment
The invention provides a kind of sectional type A
2/ O activated sludge process reaction unit, to reach the quantity making its bacterial classification of remaining valid, improves the utilization ratio of mud and the object of processing efficiency.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1 and Fig. 2, the structural representation of the device for separating mud and water that Fig. 1 provides for the embodiment of the present invention; The sectional type A that Fig. 2 provides for the embodiment of the present invention
2the structural representation of/O activated sludge process reaction unit.Arrow direction indication in Fig. 1 and Fig. 2 is water (flow) direction.
The invention provides a kind of sectional type A
2/ O activated sludge process reaction unit, comprise reaction tank, also comprise at least two device for separating mud and water, at least two device for separating mud and water are arranged in reaction tank, along water (flow) direction, reaction tank is separated into anaerobic pond 4 successively, anoxic pond 5 and Aerobic Pond 6, device for separating mud and water comprises the first overflow plate 1 be arranged in order along water (flow) direction, flow deflector 2 and the second overflow plate 3, the both sides of the first overflow plate 1 and flow deflector 2 are all connected with the pool wall of reaction tank and bottom all keeps certain distance with at the bottom of the pond of reaction tank, the both sides of the second overflow plate 3 and bottom are connected respectively with at the bottom of the pool wall of reaction tank and pond, the top of the first overflow plate 1 and the second overflow plate 3 is lower than the upper edge of reaction tank, the top of flow deflector 2 is higher than the top of the first overflow plate 1 and the second overflow plate 3, descending water channel is formed between first overflow plate 1 and flow deflector 2, up water channel is formed between flow deflector 2 and the second overflow plate 3, descending water channel is communicated with the bottom end of up water channel at flow deflector 2.
Compared with prior art, sectional type A provided by the invention
2/ O activated sludge process reaction unit, by arranging device for separating mud and water, the velocity of flow of muddy water mixed solution in each reaction tank can be slowed down, make it to stop time enough at each reaction tank, react fully, simultaneously, device for separating mud and water at muddy water mixed solution through out-of-date, precipitating action can be relied on to be retained by partial sludge makes it return original reaction tank, which reduce the blending of the mud containing different strain, maintain the quantity of effective flora of each reaction tank, improve the utilization ratio of mud, and then the processing efficiency improved.
In order to further slow down flow velocity, be convenient to muddy water mixed solution turn to from descending water channel simultaneously, in embodiments of the present invention, first overflow plate 1 comprise vertical the first mainboard 11 of arranging and the angle be connected between the first mainboard 11 bottom first traverse baffle 12, first mainboard 11 and the first traverse baffle 12 be obtuse angle and one end of being connected with the first mainboard 11 compared with the first traverse baffle 12 away from one end of the first mainboard 11 of the first traverse baffle 12 closer to the second overflow plate 3.
Further, second overflow plate 3 comprises vertical the second mainboard 31 arranged and the second traverse baffle 32 be connected on the second mainboard 31, the both sides of the second mainboard 31 and bottom are connected respectively at the bottom of the pool wall of reaction tank and pond, second traverse baffle 32 is arranged on the second mainboard 31 near the side of flow deflector 2, second traverse baffle 32 is downward-sloping from one end that it is connected with the second mainboard 31, second traverse baffle 32 jointly forms mud away from one end of the second mainboard 31 and the first traverse baffle 12 away from one end of the first mainboard 11 and falls mouth after rise, coordinate with the first traverse baffle 12 by arranging the second traverse baffle 32, the flow velocity of mud mixture can slowed down, while being convenient to sludge settling, contribute to mud mixture and change the flow direction, from descending become up, and, the end of the first traverse baffle 12 and the second traverse baffle 32 together constitutes mud and falls mouth after rise, be convenient to mud and return original reaction tank.
Because the first overflow plate 1, flow deflector 2 and the second overflow plate 3 are immersed in mud mixture throughout the year, easily by sewage corrosion, affect the effect of sludge retention, therefore, in embodiments of the present invention, the first overflow plate 1, flow deflector 2 and the second overflow plate 3 all adopt stainless material to make.Certainly, other method also can be adopted to reach rot-resistant object, such as, in the another kind of embodiment of the present invention, the surface of the first overflow plate 1, flow deflector 2 and the second overflow plate 3 all scribbles rust-inhibiting paint.
In order to further retain mud, reduce the blending of the mud containing different strain, in embodiments of the present invention, multiple device for separating mud and water is provided with in Aerobic Pond 6, by arranging multiple device for separating mud and water in Aerobic Pond 6, can mud mixture from Aerobic Pond 6 to settling tank motion process in through repeatedly retaining, further decrease the blending of the mud of different strain, improve the utilization ratio of mud.
In this specification sheets, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (6)
1. a sectional type A
2/ O activated sludge process reaction unit, comprise reaction tank, it is characterized in that, also comprise at least two device for separating mud and water, at least two described device for separating mud and water are arranged in described reaction tank, along water (flow) direction, described reaction tank is separated into anaerobic pond (4) successively, anoxic pond (5) and Aerobic Pond (6), described device for separating mud and water comprises the first overflow plate (1) be arranged in order along water (flow) direction, flow deflector (2) and the second overflow plate (3), the both sides of described first overflow plate (1) and described flow deflector (2) are all connected with the pool wall of described reaction tank and bottom all with at the bottom of the pond of described reaction tank keeps certain distance, the both sides of described second overflow plate (3) and bottom are connected respectively with at the bottom of the pool wall of described reaction tank and pond, the top of described first overflow plate (1) and described second overflow plate (3) is lower than the upper edge of described reaction tank, the top of described flow deflector (2) is higher than the top of described first overflow plate (1) and described second overflow plate (3), descending water channel is formed between described first overflow plate (1) and described flow deflector (2), up water channel is formed between described flow deflector (2) and described second overflow plate (3), described descending water channel is communicated with the bottom end of described up water channel at described flow deflector (2).
2. sectional type A according to claim 1
2/ O activated sludge process reaction unit, it is characterized in that, described first overflow plate (1) comprises vertical the first mainboard (11) of arranging and is connected to described first mainboard (11) bottom first traverse baffle (12), the angle between described first mainboard (11) and described first traverse baffle (12) be obtuse angle and one end of being connected with described first mainboard (11) away from more described first traverse baffle in one end (12) of described first mainboard (11) of described first traverse baffle (12) closer to described second overflow plate (3).
3. sectional type A according to claim 2
2/ O activated sludge process reaction unit, it is characterized in that, described second overflow plate (3) comprises vertical the second mainboard (31) arranged and the second traverse baffle (32) be connected on described second mainboard (31), the both sides of described second mainboard (31) and bottom are connected respectively at the bottom of the pool wall of described reaction tank and pond, described second traverse baffle (32) is arranged on the side of described second mainboard (31) near described flow deflector (2), described second traverse baffle (32) is downward-sloping from one end that it is connected with described second mainboard (31), described second traverse baffle (32) jointly forms mud away from one end of described second mainboard (31) and described first traverse baffle (12) away from one end of described first mainboard (11) and falls mouth after rise.
4. sectional type A according to claim 1
2/ O activated sludge process reaction unit, is characterized in that, described first overflow plate (1), described flow deflector (2) and described second overflow plate (3) all adopt stainless material to make.
5. sectional type A according to claim 1
2/ O activated sludge process reaction unit, is characterized in that, the surface of described first overflow plate (1), described flow deflector (2) and described second overflow plate (3) all scribbles rust-inhibiting paint.
6. sectional type A according to claim 1
2/ O activated sludge process reaction unit, is characterized in that, is provided with multiple described device for separating mud and water in described Aerobic Pond (6).
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| CN201410201285.5A CN103922476B (en) | 2014-05-13 | 2014-05-13 | A kind of sectional type A 2/ O activated sludge process reaction unit |
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| CN106587351A (en) * | 2016-12-29 | 2017-04-26 | 聚光科技(杭州)股份有限公司 | Treatment device and method for high ammonia-nitrogen wastewater |
| CN106904796B (en) * | 2017-04-20 | 2020-11-10 | 成都孚华环保科技有限公司 | Multistage diversion type SSMBBR sewage treatment system and treatment method |
| CN106927638B (en) * | 2017-04-20 | 2021-01-12 | 成都孚华环保科技有限公司 | Multistage diversion type MBBR sewage treatment system and treatment method |
| CN107364969A (en) * | 2017-08-16 | 2017-11-21 | 贵州博凡环境科技有限公司 | The energy-saving sewage processing method and its device of a kind of high-efficient denitrification and dephosphorization |
| CN108358314B (en) * | 2018-03-08 | 2023-05-05 | 中国市政工程中南设计研究总院有限公司 | Sludge near reflux bioreactor, combined facility and application thereof |
| CN110902829B (en) * | 2019-12-09 | 2022-04-19 | 成都达源环保工程有限公司 | Tower type multi-stage circulation sewage treatment equipment |
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| CN203946951U (en) * | 2014-05-13 | 2014-11-19 | 中国市政工程东北设计研究总院 | A kind of sectional type A 2/ O activated sludge process reaction unit |
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| CN100375724C (en) * | 2006-05-31 | 2008-03-19 | 清华大学 | Baffle-board reactor and method for treating sewage by using it |
| CN101205108B (en) * | 2007-07-16 | 2010-11-03 | 王鹤立 | Highly effective composite hydrolytic acidation cell having both sewage treatment and sludge reduction functions |
| CN101205100B (en) * | 2007-12-18 | 2010-05-19 | 华南理工大学 | Integral combined process treatment reactor for city sewage |
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Address after: 130061 Changchun workers and peasants Road, Jilin, No. 618 Patentee after: CHINA NORTHEAST MUNICIPAL ENGINEERING DESIGN & RESEARCH INSTITUTE CO., LTD. Address before: 130061 Changchun workers and peasants Road, Jilin, No. 618 Patentee before: China Northeast Centrol Design & Research Institute of Municipal Engineering |