CN203946951U - 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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- CN203946951U CN203946951U CN201420244270.2U CN201420244270U CN203946951U CN 203946951 U CN203946951 U CN 203946951U CN 201420244270 U CN201420244270 U CN 201420244270U CN 203946951 U CN203946951 U CN 203946951U
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- overflow plate
- reaction tank
- water
- mainboard
- mud
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Abstract
The utility model 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 being arranged in order along water (flow) direction, flow deflector and the second overflow plate, by device for separating mud and water is set, can slow down the velocity of flow of muddy water mixed solution in each reaction tank, 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reaction tank, react fully, simultaneously, device for separating mud and water at muddy water mixed solution through out-of-date, can rely on precipitating action to make it return to original reaction tank part sludge retention, reduced like this blending of the mud that contains different strain, the quantity that has kept effective flora of each reaction tank, improved the utilization ratio of mud, and then the processing efficiency improving.
Description
Technical field
The utility model 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 also claims A-A-O technique, is the abbreviation (anaerobic-anoxic-oxic) of English Anaerobic-Anoxic-Oxic first letter, is the abbreviation of biological denitrification phosphorous removal technique.
In prior art, conventionally 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 enters anaerobic reactor with the mud refluxing from settling tank, polyP bacteria in this mud utilizes the dissolved organic matter in raw waste water to carry out anaerobic phosphorus release, then together with the mixed solution refluxing with aerobic reactor end, enter anoxic reacter, 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, it is that nitrate while polyP bacteria carries out aerobic suction phosphorus by the mineralized nitrogen in waste water that nitrifier in this mud carries out nitrification, remaining organism is also oxidized by aerobic bacteria at this, finally by settling tank, carry out mud-water separation, water outlet discharge, the sludge part of precipitation returns to anaerobic reactor, part is discharged with rich phosphorus excess sludge.But, in returned sluge, with a large amount of nitrate radicals, destroy anaerobic environment, unfavorable to system dephosphorization, the destruction of also having caused efficient bacterium growing environment in each reactor, mud can not be fully utilized, and has reduced processing efficiency.
Therefore, how to provide a kind of sectional type A
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 those skilled in the art's important technological problems urgently to be resolved hurrily.
Utility model content
In view of this, the utility model provides a kind of sectional type A
2/ O activated sludge process reaction unit, to reach the quantity that makes its bacterial classification of remaining valid, improves the utilization ratio of mud and the object of processing efficiency.
For achieving the above object, the utility model 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 being arranged in order along water (flow) direction, flow deflector and the second overflow plate, the both sides of described the first overflow plate and described flow deflector be all connected with the pool wall of described reaction tank and bottom all with at the bottom of the pond of described reaction tank, keep certain distance, the both sides of described the 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 the first overflow plate and described the 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 the first overflow plate and described the second overflow plate, between described the first overflow plate and described flow deflector, form descending water channel, between described flow deflector and described the second overflow plate, form up water channel, described descending water channel is communicated with the place, bottom of described up water channel at described flow deflector.
Preferably, described the first overflow plate comprises the first mainboard of vertical setting and is connected to described first mainboard bottom the first traverse baffle, more close described the second overflow plate in one end that to be obtuse angle and described the first traverse baffle be connected with described the first mainboard away from more described first traverse baffle in one end of described the first mainboard of the angle between described the first mainboard and described the first traverse baffle.
Preferably, described the second overflow plate comprises the second mainboard of vertical setting and is connected to the second traverse baffle on described the second mainboard, the both sides of described the second mainboard and bottom are connected at the bottom of respectively at the pool wall of described reaction tank and pond, described the second traverse baffle is arranged on described the second mainboard near a side of described flow deflector, described the second traverse baffle starts downward-sloping from it with one end that described the second mainboard is connected, described the second traverse baffle jointly forms mud away from one end of described the second mainboard and described the first traverse baffle away from one end of described the first mainboard and falls after rise mouthful.
Preferably, described the first overflow plate, described flow deflector and described the second overflow plate all adopt stainless material to make.
Preferably, the surface of described the first overflow plate, described flow deflector and described the second overflow plate all scribbles rust-inhibiting paint.
Preferably, in described Aerobic Pond, be provided with a plurality of described device for separating mud and water.
From technique scheme, can find out the sectional type A that the utility model provides
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 being 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 be all connected with the pool wall of reaction tank and bottom all with at the bottom of the pond of reaction tank, keep certain distance, 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, between the first overflow plate and flow deflector, form descending water channel, between flow deflector and the second overflow plate, form up water channel, descending water channel is communicated with the place, bottom of up water channel at flow deflector, by device for separating mud and water is set, can slow down the velocity of flow of muddy water mixed solution in each reaction tank, 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, can rely on precipitating action to make it return to original reaction tank part sludge retention, reduced like this blending of the mud that contains different strain, the quantity that has kept effective flora of each reaction tank, improved the utilization ratio of mud, and then the processing efficiency improving.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The structural representation of the device for separating mud and water that Fig. 1 provides for the utility model embodiment;
The sectional type A that Fig. 2 provides for the utility model embodiment
2the structural representation of/O activated sludge process reaction unit.
Embodiment
The utility model provides a kind of sectional type A
2/ O activated sludge process reaction unit, to reach the quantity that makes 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 utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1 and Fig. 2, the structural representation of the device for separating mud and water that Fig. 1 provides for the utility model embodiment; The sectional type A that Fig. 2 provides for the utility model embodiment
2the structural representation of/O activated sludge process reaction unit.Arrow direction indication in Fig. 1 and Fig. 2 is water (flow) direction.
The utility model 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 being 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 be all connected with the pool wall of reaction tank and bottom all with at the bottom of the pond of reaction tank, keep certain distance, 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, between the first overflow plate 1 and flow deflector 2, form descending water channel, between flow deflector 2 and the second overflow plate 3, form up water channel, descending water channel is communicated with the place, bottom of up water channel at flow deflector 2.
Compared with prior art, the sectional type A that the utility model provides
2/ O activated sludge process reaction unit, by device for separating mud and water is set, can slow down the velocity of flow of muddy water mixed solution in each reaction tank, 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, can rely on precipitating action to make it return to original reaction tank part sludge retention, reduced like this blending of the mud that contains different strain, the quantity that has kept effective flora of each reaction tank, has improved the utilization ratio of mud, and then the processing efficiency improving.
In order further to slow down flow velocity, be convenient to muddy water mixed solution turns to from descending water channel simultaneously, in the utility model embodiment, the first overflow plate 1 comprises the first mainboard 11 of vertical setting and is connected to angle between first mainboard 11 bottom the first traverse baffle 12, the first mainboards 11 and the first traverse baffle 12 more close the second overflow plate 3 in one end that to be obtuse angle and the first traverse baffle 12 be connected with the first mainboard 11 compared with the first traverse baffle 12 away from one end of the first mainboard 11.
Further, the second overflow plate 3 comprises the second mainboard 31 of vertical setting and is connected to the second traverse baffle 32 on the second mainboard 31, the both sides of the second mainboard 31 and bottom are connected at the bottom of respectively at the pool wall of reaction tank and pond, the second traverse baffle 32 is arranged on the second mainboard 31 near a side of flow deflector 2, the second traverse baffle 32 starts downward-sloping from it with one end that the second mainboard 31 is connected, the 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 after rise mouthful, by being set, the second traverse baffle 32 coordinates with the first traverse baffle 12, the flow velocity of mud mixture can slowed down, when being convenient to sludge settling, contributing to mud mixture to change flows to, from descending become up, and, the end of the first traverse baffle 12 and the second traverse baffle 32 has jointly formed mud and has fallen mouth after rise, be convenient to mud and return to 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 the utility model embodiment, the first overflow plate 1, flow deflector 2 and the second overflow plate 3 all adopt stainless material to make.Certainly, also can adopt other method to reach rot-resistant object, such as, in the another kind of embodiment of the utility model, the surface of the first overflow plate 1, flow deflector 2 and the second overflow plate 3 all scribbles rust-inhibiting paint.
In order further to hold back mud, reduce the blending of the mud that contains different strain, in the utility model embodiment, in Aerobic Pond 6, be provided with a plurality of device for separating mud and water, by a plurality of device for separating mud and water being set Aerobic Pond 6 is interior, can mud mixture from Aerobic Pond 6 to settling tank motion process through repeatedly holding back, further reduced the blending of the mud of different strain, improved the utilization ratio of mud.
In this specification sheets, each embodiment adopts the mode of going forward one by one to describe, and each embodiment stresses is the difference with other embodiment, between each embodiment identical similar part mutually referring to.
Above-mentioned explanation to the disclosed embodiments, makes professional and technical personnel in the field can realize or use the utility model.To the multiple modification of these embodiment, will be apparent for those skilled in the art, General Principle as defined herein can, in the situation that not departing from spirit or scope of the present utility model, realize in other embodiments.Therefore, the utility model will can not be restricted to these embodiment 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) being arranged in order along water (flow) direction, flow deflector (2) and the second overflow plate (3), the both sides of described the first overflow plate (1) and described flow deflector (2) be all connected with the pool wall of described reaction tank and bottom all with at the bottom of the pond of described reaction tank, keep certain distance, the both sides of described the 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 the first overflow plate (1) and described the 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 the first overflow plate (1) and described the second overflow plate (3), between described the first overflow plate (1) and described flow deflector (2), form descending water channel, between described flow deflector (2) and described the second overflow plate (3), form up water channel, described descending water channel is communicated with the place, bottom 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 the first overflow plate (1) comprises first mainboard (11) of vertical setting and is connected to described the first mainboard (11) bottom the first traverse baffle (12), more close described the second overflow plate in one end (3) that to be obtuse angle and described the first traverse baffle (12) be connected with described the first mainboard (11) away from more described first traverse baffle in one end (12) of described the first mainboard (11) of the angle between described the first mainboard (11) and described the first traverse baffle (12).
3. sectional type A according to claim 2
2/ O activated sludge process reaction unit, it is characterized in that, described the second overflow plate (3) comprises second mainboard (31) of vertical setting and is connected to the second traverse baffle (32) on described the second mainboard (31), the both sides of described the second mainboard (31) and bottom are connected at the bottom of respectively at the pool wall of described reaction tank and pond, described the second traverse baffle (32) is arranged on described the second mainboard (31) near a side of described flow deflector (2), described the second traverse baffle (32) starts downward-sloping from it with one end that described the second mainboard (31) is connected, described the second traverse baffle (32) jointly forms mud away from one end of described the second mainboard (31) and described the first traverse baffle (12) away from one end of described the first mainboard (11) and falls after rise mouthful.
4. sectional type A according to claim 1
2/ O activated sludge process reaction unit, is characterized in that, described the first overflow plate (1), described flow deflector (2) and described the 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 the first overflow plate (1), described flow deflector (2) and described the 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 a plurality of described device for separating mud and water in described Aerobic Pond (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420244270.2U CN203946951U (en) | 2014-05-13 | 2014-05-13 | A kind of sectional type A 2/ O activated sludge process reaction unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420244270.2U CN203946951U (en) | 2014-05-13 | 2014-05-13 | A kind of sectional type A 2/ O activated sludge process reaction unit |
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| Publication Number | Publication Date |
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| CN203946951U true CN203946951U (en) | 2014-11-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420244270.2U Withdrawn - After Issue CN203946951U (en) | 2014-05-13 | 2014-05-13 | A kind of sectional type A 2/ O activated sludge process reaction unit |
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| CN (1) | CN203946951U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103922476A (en) * | 2014-05-13 | 2014-07-16 | 中国市政工程东北设计研究总院 | Sectional type A2/O activated sludge process reaction device |
-
2014
- 2014-05-13 CN CN201420244270.2U patent/CN203946951U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103922476A (en) * | 2014-05-13 | 2014-07-16 | 中国市政工程东北设计研究总院 | Sectional type A2/O activated sludge process reaction device |
| CN103922476B (en) * | 2014-05-13 | 2015-12-23 | 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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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: CHINA NORTHEAST MUNICIPAL ENGINEERING DESIGN AND R Free format text: FORMER NAME: CHINA NORTHEAST CENTROL DESIGN + RESEARCH INSTITUTE OF MUNICIPAL ENGINEERING |
|
| CP01 | Change in the name or title of a patent holder |
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 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20141119 Effective date of abandoning: 20151223 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |