CN208995197U - The denitrification bio-filter of whole water inlet subregion aeration backwash - Google Patents
The denitrification bio-filter of whole water inlet subregion aeration backwash Download PDFInfo
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- CN208995197U CN208995197U CN201821289057.8U CN201821289057U CN208995197U CN 208995197 U CN208995197 U CN 208995197U CN 201821289057 U CN201821289057 U CN 201821289057U CN 208995197 U CN208995197 U CN 208995197U
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- water inlet
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Abstract
The utility model discloses a kind of denitrification bio-filters of whole water inlet subregion aeration backwash, including denitrification filter pool pond body, filter plate, filter, water inlet pipe, backwash water inlet pipe and several backwash air intake branches, filter plate is fixedly installed in denitrification filter pool pond body, distributing water room is collectively formed in filter plate and denitrification filter pool pond body lower space, water inlet pipe and backwash water inlet pipe are able to provide pending water and backwashing water to distributing water room, several filters are fixedly installed on filter plate, each filter lower end is formed with water inlet and air inlet, several backwash air intake branch intervals are distributed in distributing water room, each backwash air intake branch is supplied to different zones in distributing water room, the utility model effectively improves the partial filler phenomenon too small and hardened because of locally aeration backwash dynamics, enhance the mass transfer effect of sewage and sludge in fixed bed , the effective volume in anti-nitration reaction area is increased, reactor energy consumption is saved, improves the nitrate nitrogen removal ability of denitrification bio-filter.
Description
Technical field
The utility model relates to a kind of wastewater processing technology, in particular to a kind of whole water inlet subregion aeration backwashes anti-
Nitrify biofilter.
Background technique
Biofilter has been widely used as the bio membrane treatment that one kind is developed in recent years.It has processing effect
The advantages such as rate is high, and aqueous suspension is low out.But it due to the metabolism of microorganism increment, release polymer, be easy to cause between filler
Gluing effect, cause the hardened of filler section for a long time.
Existing technology is frequently with filter plate+filter water and air distributing system.When backwash, first air purge, short-term impact is hardened to be filled out
Material loosens its surface, is washed with water the biomembrane that will be fallen off and develops from reactor.
Since the combination of the water and air distributing of filter plate and filter is small resistance water wiring system, the condition of entire water distribution uniformity is filter
Filtering material resistance loss everywhere in head top is similar.But in real process, denitrification bio-filter lacks under aeration condition, respectively
Place's filler more easily cause it is hardened and uneven so that the water and air distributing system of lower part is uneven.Originally unobstructed filler region, resistance
Power loss is small, and the gas and water flow of acquisition is big, and backwash intensity is big, becomes more unobstructed, eventually forms more non-uniform water, gas
Distribution system.The short stream of serious filtrate is eventually caused, the whole efficiency of reactor is influenced.
Utility model content
In order to overcome drawbacks described above, the denitrification that the utility model provides a kind of whole water inlet subregion aeration backwash is raw
Object filter tank, the denitrification bio-filter that integrally water inlet subregion aeration backwashes are aerated the high-efficient of backwash, save reactor
Energy consumption improves the nitrate nitrogen removal ability of denitrification bio-filter.
The utility model is to solve technical solution used by its technical problem: a kind of whole water inlet subregion aeration is anti-
The denitrification bio-filter of flushing, including denitrification filter pool pond body, filter plate, filter, water inlet pipe, backwash water inlet pipe and several anti-
Air intake branch is rinsed, the filter plate is fixedly installed in denitrification filter pool pond body, filter plate and denitrification filter pool pond body lower space
Distributing water room is collectively formed, water inlet pipe and backwash water inlet pipe are able to provide pending water and backwashing water to distributing water room, if
Dry filter is fixedly installed on filter plate, and each filter lower end is formed with water inlet and air inlet, between several backwash air intake branches
Every be distributed in distributing water room, each backwash air intake branch is supplied to different zones in distributing water room.
The bottom-up outlet in each backwash air intake branch outlet side as a further improvement of the utility model,.
Each backwash air intake branch is from denitrification filter pool pond body bottom side of the wall as a further improvement of the utility model,
The outlet side of upward bending is protruded into distributing water room and formed, forms setting gap between the outlet side and filter plate downside surface.
Branch pipe valve is respectively equipped in each backwash air intake branch as a further improvement of the utility model,.
It is additionally provided with backwash air inlet main pipe, the backwash air inlet main pipe one as a further improvement of the utility model,
End is connected to feeder, and the backwash air inlet main pipe other end is connected to each backwash air intake branch.
It is installed in the distributing water room of the denitrification filter pool pond body as a further improvement of the utility model, to several anti-
Air inlet subregion baffle is rinsed, distributing water room is separated into several independent gas supply sealed to each other by each backwash air inlet subregion baffle
Area, several backwash air intake branches and several filters are corresponding is distributed in each independent gas supply area.
The backwash air inlet subregion baffle fixing seal is installed under filter plate as a further improvement of the utility model,
On side, distributing water room's even partition is in several independent gas supply areas by several backwash air inlet subregion baffles, and several filters are equal
Even is distributed in each gas supply area, at least one backwash air intake branch is equipped in each gas supply area.
As a further improvement of the utility model, the backwash air inlet subregion baffle include lateral partitions and vertically every
Plate, several vertical partition plates are alternatively arranged, and what two lateral partitions were respectively perpendicular makes each adjacent set on each vertical partition plate both ends
Vertical partition plate between form independent gas supply area, the distance between two neighboring vertical partition plate is 0.5~3m, all gas supply areas
The integral water distribution area domain of group, the entirety water distribution region gross area are 4~100m2, the lateral partitions and vertical partition plate lower end are super
0.2~0.5m of filtering head lower end.
The water inlet pipe includes water inlet main pipe and water inlet pipe, main pipe of intaking as a further improvement of the utility model,
One end is connected to pending water water supply device, and the water inlet main pipe other end is connected to several water inlet pipes, and several water inlet pipes are uniform
It is distributed in distributing water room's lower end inside.
The filter plate surrounding forms a circle connecting flange structure, denitrification filter as a further improvement of the utility model,
Pond pond body side wall is equipped with flange-interface, and the connecting flange of the filter plate upper end is just closely inserted in flange-interface, connection method
Blue and flange-interface side wall is sealedly and fixedly connected by connector.
The beneficial effects of the utility model are: mode of the utility model by using unified water inlet and divisional air admission, letter
Water inlet process is changed, has reduced the anti-nitration reaction area different location backwash non-uniform degree of air inlet, effectively improve part
The filler phenomenon too small and hardened because of locally aeration backwash dynamics, the efficiency for backwashing aeration greatly improve, and reduce reaction
The phenomenon that area's filler hardened inactivation, the mass transfer effect of sewage and sludge in fixed bed is enhanced, anti-nitration reaction area is increased
Effective volume saves reactor energy consumption, finally improves the nitrate nitrogen removal ability of denitrification bio-filter.
Detailed description of the invention
Fig. 1 is the perspective view of the utility model；
Fig. 2 is the structural principle main view of the utility model；
Fig. 3 is the gas supply area three-dimensional structure diagram of the utility model；
Fig. 4 is the gas supply area bottom view of the utility model.
Specific embodiment
Embodiment: a kind of denitrification bio-filter of whole water inlet subregion aeration backwash, including denitrification filter pool pond body
1, filter plate 2, filter 3, water inlet pipe 15, backwash water inlet pipe 16 and several backwash air intake branches 9, the filter plate 2 are fixedly mounted
In in denitrification filter pool pond body 1, filter plate 2 and 1 lower space of denitrification filter pool pond body are collectively formed distributing water room, water inlet pipe 15 and anti-
Water inlet pipe 16 is rinsed to be able to be fixedly installed in filter plate 2 to distributing water room's offer pending water and backwashing water, several filters 3
On, each 3 lower end of filter is formed with water inlet and air inlet, and what several backwash air intake branches 9 were spaced is distributed in distributing water room,
Each backwash air intake branch 9 is to different zones gas supply in distributing water room.
Water to be processed is entered by water inlet pipe 15 by water distribution pipeline 10 in the distributing water room of denitrification bio-filter, through filtering
First 3 enter upper layer packing area, and denitrification biological treatment, processing are carried out under the microorganism on upper layer and the collective effect of packing filter
Water afterwards is discharged by drainage pipeline；When backwash, compressed air enters distributing water room's upper space by several backwash air intake branches 9
Air film layer is formed between 2 downside surface of filter plate, the gas of air film layer enters through the air inlet on filtering head 3 under pressure
Filter 3 and upward jet, impact hardened filler, loosen its surface, then backwashing water passes through cloth by backwash water inlet pipe 16
Water pipeline enters distributing water room, and backwashing water sprays upwards through filtering head 3, the biomembrane to fall off is developed from reactor,
During the backwash process, air inlet is distinguished in distributing water room each region by multiple backwash air intake branches 9 due to compressed air, so that
There is different backwash air intake branches 9 to supply respectively below packing layer each region, it, can be according to upper layer filler when backwash
The hardened situation of layer surface is selectively supplied to the backwash air intake branch 9 of different zones, such as to hardened critical regions for big
The high pressure gas of flow supplies the high pressure gas of small flow to hardened slight region, stops to no hardened region for high pressure gas etc.
Deng, operate respectively so that backwash when, high pressure gas flushing is targetedly carried out according to the hardened situation of packing layer, so that packing layer
Hardened serious region is sufficiently aerated, and substantially increases 3 flushing effect of filter, reduces the recoil of anti-nitration reaction area different location
The non-uniform degree of air inlet is washed, the partial filler phenomenon too small and hardened because of locally aeration backwash dynamics is effectively improved, makes
The phenomenon that efficiency of aeration backwash greatly improves, reduces reaction zone filler hardened inactivation enhances in fixed bed sewage and dirty
The mass transfer effect of mud increases the effective volume in anti-nitration reaction area, saves reactor energy consumption, finally improves denitrification biology
The nitrate nitrogen removal ability in filter tank.
Each 9 bottom-up outlet in outlet side of backwash air intake branch.So that gas quickly reaches distributing water room's upper space
Air film layer is formed, filter 3 is rapidly entered, of course it is not excluded other direction air inlets, such as side air inlet.
Each backwash air intake branch 9 protrudes into distributing water room from 1 bottom side of the wall of denitrification filter pool pond body and forms folding upwards
Curved outlet side forms setting gap between 2 downside surface of the outlet side and filter plate.The structure makes high pressure gas from distributing water room
Lower part is quickly formed in gap of the outlet side with filter plate 2 along the upward jet in outlet side of the backwash upward bending of air intake branch 9
Air film layer.
Branch pipe valve 12 is respectively equipped in each backwash air intake branch 9.Each backwash air intake branch 9 has individual branch
Tube valve 12 controls, and independent aeration backwash can be both carried out to the anti-nitration reaction area on single distribution region, can also be to institute
There is anti-nitration reaction area while carrying out aeration backwash, the function that branch pipe switch and flow are adjusted may be implemented in branch pipe valve 12.
It is additionally provided with backwash air inlet main pipe 14, described 14 one end of backwash air inlet main pipe is connected to feeder, is backwashed
14 other end of air inlet main pipe is connected to each backwash air intake branch 9.High pressure gas first passes through total backwash air inlet main pipe 14
Backwash air intake branch 9 is entered back into, subregion gas supply, which is adjusted respectively convenient for unified gas supply, easy to operate, structure letter
It is single.
It is installed in the distributing water room of the denitrification filter pool pond body 1 to several backwash air inlet subregion baffles 8, each recoil
It washes air inlet subregion baffle 8 and distributing water room is separated into several independent gas supply areas 13 sealed to each other, several backwash air intake branches 9
It is corresponding with several filters 3 to be distributed in each independent gas supply area 13.It is close by several backwash air inlet subregion baffles 8
It insulates to form gas supply area 13 independent in distributing water room, high pressure gas enters behind independent gas supply area 13 through on filter plate 2
Filter 3 its filler is backwashed into anti-nitration reaction area, the mode of this kind of divisional air admission realizes different zones height
The difference air inlet calmed the anger can carry out gas supply adjusting according to the hardened situation of upper layer packing layer, and gas is isolated in respective gas supply
Area 13 will not generate sinuous flow, adequately achieve packing layer different zones and be aerated respectively, sufficiently rinse.
8 fixing seal of backwash air inlet subregion baffle is installed on 2 downside of filter plate, several backwash air inlet subregions
Distributing water room's even partition is in several independent gas supply areas 13 by baffle 8, and several filters 3 are uniformly distributed in each gas supply area 13
It is interior, at least one backwash air intake branch 9 is equipped in each gas supply area 13.The structure makes filter plate 2, filter 3 and backwash
Air inlet subregion baffle 8 is fixed to form an entirety, is convenient for integral manufacturing and installation.
The backwash air inlet subregion baffle 8 includes lateral partitions and vertical partition plate, and several vertical partition plates are alternatively arranged, and two
What a lateral partitions were respectively perpendicular, which is set to each vertical partition plate both ends, makes to form independent confession between each adjacent vertical partition plate
Gas area 13, the distance between two neighboring vertical partition plate are 0.5~3m, and all integral water distribution area domains in 13 groups of gas supply area, this is whole
The body water distribution region gross area is 4~100m2, the lateral partitions and vertical partition plate lower end are more than 3 0.2~0.5m of lower end of filter.
Distributing water room is separated into 13 domain of gas supply area of several rectangles by lateral partitions and vertical partition plate, includes a fixed number in each region
The filter 3 of amount and at least one backwash air intake branch 9, form an independent backwash module.
The water inlet pipe 15 includes water inlet main pipe and water inlet pipe, and water inlet main pipe one end and pending water water supply device connect
Logical, the water inlet main pipe other end is connected to several water inlet pipes, and several water inlet pipes are uniformly distributed in distributing water room's lower end inside.It is unified
The mode of water inlet, water inlet enter distributing water room by water inlet main pipe and water inlet pipe, simplify into water process.
2 surrounding of filter plate forms a circle connecting flange structure 11, and 1 side wall of denitrification filter pool pond body is equipped with flange-interface
5, the connecting flange of 2 upper end of filter plate is just closely inserted in flange-interface 5, and connecting flange and 5 side wall of flange-interface pass through
Connector 6 is sealedly and fixedly connected.It is connected between pond body lateral wall by several top reinforcing ribs 4 on the upside of 5 side wall of flange-interface,
It is connected between 5 downside of flange-interface and pond body lateral wall by several lower part reinforcing ribs 7, realizes the reinforcement of structure, improved whole
Connectivity robustness.
Claims (10)
1. a kind of denitrification bio-filter of whole water inlet subregion aeration backwash, it is characterised in that: including denitrification filter pool pond
Body (1), filter plate (2), filter (3), water inlet pipe (15), backwash water inlet pipe (16) and several backwash air intake branches (9) are described
Filter plate is fixedly installed in denitrification filter pool pond body, and distributing water room is collectively formed in filter plate and denitrification filter pool pond body lower space, into
Water pipe and backwash water inlet pipe are able to be fixedly installed in filter to distributing water room's offer pending water and backwashing water, several filters
On plate, each filter lower end is formed with water inlet and air inlet, and several backwash air intake branch intervals are distributed in distributing water room,
Each backwash air intake branch is supplied to different zones in distributing water room.
2. the denitrification bio-filter of whole water inlet subregion aeration backwash according to claim 1, it is characterised in that: each
The bottom-up outlet in a backwash air intake branch outlet side.
3. the denitrification bio-filter of whole water inlet subregion aeration backwash according to claim 2, it is characterised in that: each
A backwash air intake branch protrudes into distributing water room from denitrification filter pool pond body bottom side of the wall and is formed the outlet side of upward bending, institute
It states and forms setting gap between outlet side and filter plate downside surface.
4. the denitrification bio-filter of whole water inlet subregion aeration backwash according to claim 1, it is characterised in that: each
Branch pipe valve (12) are respectively equipped in a backwash air intake branch.
5. the denitrification bio-filter of whole water inlet subregion aeration backwash according to claim 1, it is characterised in that: also
Equipped with backwash air inlet main pipe (14), backwash air inlet main pipe one end is connected to feeder, and backwash air inlet main pipe is another
One end is connected to each backwash air intake branch.
6. the denitrification bio-filter of whole water inlet subregion aeration backwash according to claim 1, it is characterised in that: institute
It states and is installed in the distributing water room of denitrification filter pool pond body to several backwash air inlet subregion baffles (8), each backwash air inlet point
Distributing water room is separated into several independent gas supply areas sealed to each other, several backwash air intake branches and several filters point by area's baffle
It is not corresponding to be distributed in each independent gas supply area.
7. the denitrification bio-filter of whole water inlet subregion aeration backwash according to claim 6, it is characterised in that: institute
It states backwash air inlet subregion baffle fixing seal to be installed on filter plate downside, several backwash air inlet subregion baffles are by distributing water room
Even partition is in several independent gas supply areas, and several filters are uniformly distributed in each gas supply area, in each gas supply area
Air intake branch is backwashed equipped at least one.
8. the denitrification bio-filter of whole water inlet subregion aeration backwash according to claim 6, it is characterised in that: institute
Stating backwash air inlet subregion baffle includes lateral partitions and vertical partition plate, and several vertical partition plates are alternatively arranged, two lateral partitions
The each vertical partition plate both ends that are set to being respectively perpendicular make to form independent gas supply area (13), phase between each adjacent vertical partition plate
The distance between adjacent two vertical partition plates are 0.5~3m, all integral water distribution regions of gas supply district's groups, and the entirety water distribution region is total
Area is 4~100m2, the lateral partitions and vertical partition plate lower end are more than 0.2~0.5m of filter lower end.
9. the denitrification bio-filter of whole water inlet subregion aeration backwash according to claim 1, it is characterised in that: institute
Stating water inlet pipe includes water inlet main pipe and water inlet pipe, and water inlet main pipe one end is connected to pending water water supply device, and water inlet main pipe is another
One end is connected to several water inlet pipes, and several water inlet pipes are uniformly distributed in distributing water room's lower end inside.
10. the denitrification bio-filter of whole water inlet subregion aeration backwash according to claim 1, it is characterised in that:
The filter plate surrounding forms circle connecting flange structure (11), and denitrification filter pool pond body side wall is equipped with flange-interface (5), described
The connecting flange of filter plate upper end is just closely inserted in flange-interface, and connecting flange and flange-interface side wall pass through connector (6)
It is sealedly and fixedly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821289057.8U CN208995197U (en) | 2018-08-10 | 2018-08-10 | The denitrification bio-filter of whole water inlet subregion aeration backwash |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821289057.8U CN208995197U (en) | 2018-08-10 | 2018-08-10 | The denitrification bio-filter of whole water inlet subregion aeration backwash |
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| CN208995197U true CN208995197U (en) | 2019-06-18 |
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| CN201821289057.8U Active CN208995197U (en) | 2018-08-10 | 2018-08-10 | The denitrification bio-filter of whole water inlet subregion aeration backwash |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108911128A (en) * | 2018-08-10 | 2018-11-30 | 苏州湛清环保科技有限公司 | The denitrification bio-filter of whole water inlet subregion aeration backwash |
| CN114159924A (en) * | 2021-11-18 | 2022-03-11 | 三维控股集团股份有限公司 | Safe efficient solvent naphtha recovery tank |
-
2018
- 2018-08-10 CN CN201821289057.8U patent/CN208995197U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108911128A (en) * | 2018-08-10 | 2018-11-30 | 苏州湛清环保科技有限公司 | The denitrification bio-filter of whole water inlet subregion aeration backwash |
| CN114159924A (en) * | 2021-11-18 | 2022-03-11 | 三维控股集团股份有限公司 | Safe efficient solvent naphtha recovery tank |
| CN114159924B (en) * | 2021-11-18 | 2022-10-04 | 三维控股集团股份有限公司 | Safe efficient solvent naphtha recovery tank |
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