CN204752314U - Side direction bological aerated filter structure - Google Patents
Side direction bological aerated filter structure Download PDFInfo
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- CN204752314U CN204752314U CN201520311088.9U CN201520311088U CN204752314U CN 204752314 U CN204752314 U CN 204752314U CN 201520311088 U CN201520311088 U CN 201520311088U CN 204752314 U CN204752314 U CN 204752314U
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Abstract
The utility model discloses a side direction bological aerated filter structure, including the filtering pond body, the filtering pond body supreme and divide into down clear water district, filter material district and anaerobism mud district in proper order, anaerobism mud district bottom is provided with into water sedimentation district, and be provided with the bottom and arrange the mud mouth entering water sedimentation district bottom, anaerobism mud district side is provided with the lower part and arranges the mud mouth, it still is provided with the water inlet in the water sedimentation district to advance, the water inlet is connected with the intake pump, filtering pond body upper portion lies in clear water district both sides and is provided with bucket type container and outer bucket type container respectively, the aeration pipe has been arranged to filtering pond body middle part side, anaerobism mud is distinguished the bottom and is advanced and is provided with the suspended solid filter screen between the water sedimentation district, it is provided with two swash plates to advance water sedimentation district bottom symmetry, the utility model discloses set up an anaerobism mud district in the well lower part in whole filtering pond, play water reflux to the anaerobism mud in partial clear water district is distinguished, has realized nitrifying and the denitrification of system.
Description
Technical field
The utility model relates to a kind of side direction BAF structure, belongs to environmental engineering technical field of sewage.
Background technology
BAF is that the beginning of the nineties in last century is on the basis of ordinary biofilter, use for reference water-feeding leaching pool technique and the sewage treatment technique developed, initial filter tank is only for the tertiary treatment of sewage, after develop into gradually for second-stage treatment device, be the sewage treatment process that a kind of anti impulsion load is high, biomass is large, sludge output is few.Its principle of work is: fill the filtrate that can make attached growth of microorganisms in reactor, utilizes the Organic Pollutants that the absorption crown_interception etc. of biomembranous biological action and the filming filter material that filtrate is formed comes in degradation of sewage.Although BAF has a lot of advantages, as by force shock-resistant, technical process is short, and initial cost is few, in the use procedure of reality, is still encountered by following problem:
(1) existing BAF requires higher to water inlet suspended substance, and general requirement carries out pre-treatment to sewage, otherwise filtrate and easily blocking, this not only adds the complicacy of technique, also add the risk of process application;
(2) filter material layer needs regularly to carry out back flushing, with the microbial film removing suspended substance in the water that retains in filtering layer and come off, and microbial film aging on wash-out filtrate; But traditional backwashing manner can not microbial film that effectively stripping is aging, and device ability of disposing of sewage finally can be caused to reduce;
(3) phosphor-removing effect of existing BAF is poor, needs auxiliary alternate manner to carry out dephosphorization; Owing to there is not the alternate environment of anaerobic and aerobic in biological aerated filter process, so cannot polyP bacteria be formed, so the phosphorus that just microbial consumption is a small amount of in assimilation is in order to synthesize Self substances; The emission standard reaching country for making the total phosphorous of the water quality after process and allow, often needs, in follow-up in addition auxiliary dephosphorization technique, to this significantly increases the running cost of technique;
(4) in whole process operation process, mud inorganic components is high, is unfavorable for later use.
Utility model content
For solving the problem, the utility model provides a kind of side direction BAF structure.Thus save technology investment and subsequent disposal, improve effluent quality.
The utility model is achieved by following technical solution.
A kind of side direction BAF structure, comprise filter tank body, described filter tank body is divided into clear water zone, filtrate district and anaerobic sludge zone from top to down successively, be provided with bottom described anaerobic sludge zone into water settling region, bottom mud discharging mouth is provided with bottom water inlet settling region, side, described anaerobic sludge zone is provided with bottom mud discharging mouth, described water inlet settling region is also provided with water-in, described water-in is connected with intake pump, and described filter tank body upper part is positioned at both sides, clear water zone and is respectively arranged with bucket type container and outer bucket type container.
In the middle part of the body of described filter tank, side is furnished with aeration tube, and aeration tube is connected with clear water zone by backwashing pump.
Suspended substance filter screen is provided with bottom described anaerobic sludge zone and between water inlet settling region.
Described water inlet settling region bottom symmetrical is provided with two pieces of swash plates, and two pieces of swash plates are all to intermediate, inclined 10 °.
Filtrate support net is provided with between described filtrate district and anaerobic sludge zone.
Be provided with filtrate between described filtrate district and clear water zone and intercept net.
Described anaerobic sludge zone is also communicated with aeration tube by return line.
The beneficial effects of the utility model are:
Compared with prior art, the utility model is by being provided with a water inlet settling region in bottom, the bottom of settling region is provided with the swash plate to intermediate, inclined of two 10 ° simultaneously, such design can effectively precipitate the water quality of water inlet, allow suspended substance in water inlet and part inorganics can effective flocculating settling, discharged by bottom mud discharging mouth.Water inlet simultaneously adopts distributed multipoint mode to intake downwards, can carry out water distribution effectively and uniformly to whole reactor, allows the abundant flocculating settling of suspended substance in water.Owing to being provided with an anaerobic sludge zone in the middle and lower part in whole filter tank, the effluent recycling of part clear water zone, to anaerobic sludge zone, achieves the nitrification and denitrification of system.The mud discharging mouth of anaerobic sludge zone can effective exclusive segment mud, achieves the object of dephosphorization.Substantially increase the processing power in filter tank simultaneously.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure: 1-is intake settling region, 2-anaerobic sludge zone, 3-filter tank body, 4-filtrate district, 5-aeration tube, 6-clear water zone, 7-filtrate intercepts net, 8-filtrate support net, 9-suspended substance filter screen, 10-intake pump, 11-backwashing pump, 12-return line, 13-swash plate, mud discharging mouth bottom 14-, 15-bottom mud discharging mouth, bucket type container in 16-, the outer bucket type container of 17-, 18-water-in.
Embodiment
The technical solution of the utility model is further described below in conjunction with accompanying drawing, but described in claimed scope is not limited to.
As shown in Figure 1, a kind of side direction BAF structure described in the utility model, comprise filter tank body 3, described filter tank body 3 is divided into clear water zone 6 from top to down successively, filtrate district 4 and anaerobic sludge zone 2, be provided with bottom described anaerobic sludge zone 2 into water settling region 1, bottom mud discharging mouth 14 is provided with bottom water inlet settling region 1, side, described anaerobic sludge zone 2 is provided with bottom mud discharging mouth 15, described water inlet settling region 1 is also provided with water-in 18, described water-in 18 is connected with intake pump 10, body 3 top, described filter tank is positioned at both sides, clear water zone 6 and is respectively arranged with bucket type container 16 and outer bucket type container 17.Described interior bucket type container 16 and outer bucket type container 17 all adopt overflow-type to intake, and wherein, bucket type container 16 is for secondary settlement and spoil disposal, and the effective effluent quality improving whole reactor, outermost outer bucket type container 17 is for the water outlet of whole system.The technical program, by being provided with a water inlet settling region bottom filter tank body 3, can allow suspended substance in water inlet and part inorganics can effective flocculating settling, and is discharged by bottom mud discharging mouth 14.Realize water intake mode is that multipoint mode is intake downwards simultaneously, can carry out water distribution effectively and uniformly to whole reactor, allows the abundant flocculating settling of suspended substance in water.
In the middle part of described filter tank body 3, side is furnished with aeration tube 5, and aeration tube is connected with clear water zone 6 by backwashing pump 11.The operation scheme that such employing liquidates, not only can effective sufficient cloth oxygen in filtrate district 4, the design that liquidates of side direction simultaneously can allow whole device in the back flushing stage, and the biomass that effective stripping is aging, make whole system have good biological treatment effect.
Suspended substance filter screen 9 is provided with bottom described anaerobic sludge zone 2 and between water inlet settling region 1.Effectively serve the effect of interception suspended substance.
Described water inlet settling region 1 bottom symmetrical is provided with two pieces of swash plates 13, and two pieces of swash plates 13 are all to intermediate, inclined 10 °.Such design can effectively precipitate the water quality of water inlet, allows suspended substance in water inlet and part inorganics can effective flocculating settling, and discharges by which better bottom mud discharging mouth 14.
Filtrate support net 8 is provided with between described filtrate district 4 and anaerobic sludge zone 2.
Be provided with filtrate between described filtrate district 4 and clear water zone 6 and intercept net 7.
Described anaerobic sludge zone 2 is also communicated with aeration tube 5 by return line 12.
As shown in Figure 1, principle of work of the present utility model is: the water inlet in whole filter tank is arranged on the bottom of filter tank body 3, operationally, enter into water settling region 1 by downward distributed water inlet, after sufficient flocculating settling, due to the pressure of intake pump 10, sewage is from the bottom to top by whole filter tank.In anaerobic sludge zone, sewage carries out anaerobic treatment under the effect of anaerobic sludge, simultaneously by each mud discharging mouth periodic exhaustion mud, reaches the object of dephosphorization.Simultaneously due to the effect of backwashing pump 11, the water outlet after partially disposed is back to anaerobic sludge zone by return line 12, realizes the nitrification and denitrification of whole system.In filtrate district 4, whole system, under the effect of aeration tube 5, achieves the aerobic treatment of sewage, removes the organism in water.Whole filter tank devises filtrate support net 8 and filtrate intercepts net 7, effectively can retain the amount vector in filtrate district, carrier can not be run off.Two bucket type containers are designed in the both sides, clear water zone 6 of filter tank topmost, all adopt overflow-type water inlet, and first bucket type container is used for secondary settlement and spoil disposal, and the effective effluent quality improving whole reactor, outermost bucket type container is used for the water outlet of this system.
Claims (7)
1. a side direction BAF structure, it is characterized in that: comprise filter tank body (3), described filter tank body (3) is divided into clear water zone (6) from top to down successively, filtrate district (4) and anaerobic sludge zone (2), bottom, described anaerobic sludge zone (2) is provided with into water settling region (1), water inlet settling region (1) bottom is provided with bottom mud discharging mouth (14), described anaerobic sludge zone (2) side is provided with bottom mud discharging mouth (15), described water inlet settling region (1) is also provided with water-in (18), described water-in (18) is connected with intake pump (10), body (3) top, described filter tank is positioned at clear water zone (6) both sides and is respectively arranged with bucket type container (16) and outer bucket type container (17).
2. a kind of side direction BAF structure according to claim 1, it is characterized in that: side, middle part, described filter tank body (3) is furnished with aeration tube (5), and aeration tube is connected with clear water zone (6) by backwashing pump (11).
3. a kind of side direction BAF structure according to claim 1, is characterized in that: be provided with suspended substance filter screen (9) between described anaerobic sludge zone (2) bottom and water inlet settling region (1).
4. a kind of side direction BAF structure according to claim 1, it is characterized in that: described water inlet settling region (1) bottom symmetrical is provided with two pieces of swash plates (13), and two pieces of swash plates (13) are all to intermediate, inclined 10 °.
5. a kind of side direction BAF structure according to claim 1, is characterized in that: be provided with filtrate support net (8) between described filtrate district (4) and anaerobic sludge zone (2).
6. a kind of side direction BAF structure according to claim 1, is characterized in that: be provided with filtrate between described filtrate district (4) and clear water zone (6) and intercept net (7).
7. a kind of side direction BAF structure according to claim 1, is characterized in that: described anaerobic sludge zone (2) are also communicated with aeration tube (5) by return line (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201520311088.9U CN204752314U (en) | 2015-05-14 | 2015-05-14 | Side direction bological aerated filter structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520311088.9U CN204752314U (en) | 2015-05-14 | 2015-05-14 | Side direction bological aerated filter structure |
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| CN204752314U true CN204752314U (en) | 2015-11-11 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106955513A (en) * | 2017-03-10 | 2017-07-18 | 福建工程学院 | A kind of Aerated gas-water back-impacting filter wash pond |
| CN109231446A (en) * | 2018-10-11 | 2019-01-18 | 北京城市排水集团有限责任公司 | A kind of anti-filtrate leakage device of denitrification bio-filter and its operation method |
| CN109592783A (en) * | 2019-01-22 | 2019-04-09 | 湖南中科环保技术有限公司 | A kind of high load capacity filters sewage disposal system ecologically |
| CN114590894A (en) * | 2020-12-07 | 2022-06-07 | 中国石油化工股份有限公司 | Biological aerated filter reactor and treatment method |
-
2015
- 2015-05-14 CN CN201520311088.9U patent/CN204752314U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106955513A (en) * | 2017-03-10 | 2017-07-18 | 福建工程学院 | A kind of Aerated gas-water back-impacting filter wash pond |
| CN106955513B (en) * | 2017-03-10 | 2019-11-15 | 福建工程学院 | A kind of Aerated gas-water back-impacting filter wash pond |
| CN109231446A (en) * | 2018-10-11 | 2019-01-18 | 北京城市排水集团有限责任公司 | A kind of anti-filtrate leakage device of denitrification bio-filter and its operation method |
| CN109231446B (en) * | 2018-10-11 | 2024-05-31 | 北京城市排水集团有限责任公司 | Device for preventing filter material leakage of denitrification biological filter and operation method thereof |
| CN109592783A (en) * | 2019-01-22 | 2019-04-09 | 湖南中科环保技术有限公司 | A kind of high load capacity filters sewage disposal system ecologically |
| CN114590894A (en) * | 2020-12-07 | 2022-06-07 | 中国石油化工股份有限公司 | Biological aerated filter reactor and treatment method |
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