CN209178176U - A kind of high concentration return flow device - Google Patents
A kind of high concentration return flow device Download PDFInfo
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- CN209178176U CN209178176U CN201821408610.5U CN201821408610U CN209178176U CN 209178176 U CN209178176 U CN 209178176U CN 201821408610 U CN201821408610 U CN 201821408610U CN 209178176 U CN209178176 U CN 209178176U
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Abstract
A kind of high concentration return flow device, comprising: pass sequentially through grid pond, the conditioning tank, primary sedimentation tank, up-flow anaerobic sludge blanket reaction tank, the pond A2/O, secondary settling tank, flocculation inclined-tube sedimentation tank, filtering cloth filtering pool, disinfecting tank of pipeline connection.Advantage is: 1, using rotary sieve after coarse rack in grid pond, can more effectively remove floating material and suspended matter in sewage, protect the normal work of water pump；2, it is added to up-flow anaerobic sludge blanket reaction tank before the pond A2/O, most organic pollutant can be removed, the degradation pressure of biochemistry pool after significant decrease；3, the use of filtering cloth filtering pool, so that solid suspension concentration is stablized in waste water；4, the utility model overall construction design is discharged after enabling high concentration soybean wastewater to reach water outlet level-one A standard；The utility model simple process, easy to operate, effect is excellent.
Description
Technical field
The utility model relates to technical field of waste water processing, specifically a kind of high concentration return flow dress
It sets.
Background technique
Bean product produce primary routing are as follows: soya bean selected beans, bubble beans, defibrination, mashing off, choose skin, it is dry after reprocessing be
Finished product.Find that soybean wastewater main source is according to investigation: soybean soaking draining, cleaning draining.The water of each stock sewage and dense
Degree can be different with the difference of production technology, product category, production habit etc., in addition the high concentration characteristic of waste water, so right
Its progress processing difficulty up to standard is larger, and it is the problem that current environment protection field faces that such waste water, which how is effectively treated,.
Utility model content
A kind of high concentration beans system that is simple the purpose of the utility model is to provide processing mode and making discharged wastewater met the national standard
Product wastewater treatment equipment.
The purpose of this utility model is achieved through the following technical solutions:
A kind of high concentration return flow device, comprising: pass sequentially through pipeline connection grid pond, conditioning tank, just
Heavy pond, up-flow anaerobic sludge blanket reaction tank, the pond A2/O, secondary settling tank, flocculation inclined-tube sedimentation tank, filtering cloth filtering pool, disinfecting tank.
A kind of high concentration return flow device, its advantage is that:
1, use rotary sieve after coarse rack in grid pond, can more effectively remove floating material in sewage (such as beans matter fiber,
Leaf, wooden unit, waste plastics etc.) and suspended matter, protect the normal work of water pump；
2, it is added to up-flow anaerobic sludge blanket reaction tank before the pond A2/O, most organic contamination can be removed
Object, the degradation pressure of biochemistry pool after significant decrease；
3, the use of filtering cloth filtering pool, so that solid suspension concentration is stablized in waste water；
4, the utility model overall construction design enables high concentration soybean wastewater to reach water outlet level-one A standard heel row
It puts；The utility model simple process, easy to operate, effect is excellent.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Wherein:
Grid pond 1, conditioning tank 2, primary sedimentation tank 3, up-flow anaerobic sludge blanket reaction tank 4, the pond A2/O 5, secondary settling tank 6, flocculation
Inclined-tube sedimentation tank 7, filtering cloth filtering pool 8, disinfecting tank 9, sludge concentration tank 10, sludge concentration and dewatering room 11.
Specific embodiment
As shown in Figure 1, a kind of high concentration return flow device, comprising: pass sequentially through the grid pond of pipeline connection
1, conditioning tank 2, primary sedimentation tank 3, up-flow anaerobic sludge blanket reaction tank 4, the pond A2/O 5, secondary settling tank 6, flocculation inclined-tube sedimentation tank 7, filter
Cloth filter tank 8, disinfecting tank 9.
Wherein, grid pond 1, conditioning tank 2, the preprocessing process that primary sedimentation tank 3 is waste water, for removing the floating in waste water
After object, suspended matter, solid matter, adjust waste water into and out of water, while homogeneous water quality；
Up-flow anaerobic sludge blanket reaction tank 4, the pond A2/O 5, the biochemical treatment process that secondary settling tank 6 is waste water, for removing
Useless Organic substance in water, Simultaneous Nitrification denitrogenation, dephosphorization, and separate the waste water solid obtained at this time；
Flocculate inclined-tube sedimentation tank 7, filtering cloth filtering pool 8, the advanced treatment process that disinfecting tank 9 is waste water, so that in waste water
Solid suspension carry out precipitation and separation, and sterilized after chemical dephosphorization, to obtain the waste water of qualified discharge.
Preferably, processing unit further includes a sludge concentration tank 10, primary sedimentation tank 3, up-flow anaerobic sludge blanket reaction tank 4,
Secondary settling tank 6 is connected to by pipeline with sludge concentration tank 10, and the sludge for that will precipitate inputs sludge concentration tank 10；
Further, the returned sludge outlet of secondary settling tank 6 is connected to by pipeline with the anaerobic zone in the pond A2/O 5, and being used for will
Returnedactivatedsludge in secondary settling tank 6 is back to the anaerobic zone in the pond A2/O 5.
Processing unit further includes a sludge concentration and dewatering room 11, and sludge concentration tank 10, flocculation inclined-tube sedimentation tank 7 pass through pipe
Road is connected to sludge concentration and dewatering room 11 so that concentration after sludge through sludge concentration and dewatering room 11 be dehydrated after, by sludge condensation
Supernatant in dewatering station 11 is transported to grid pond 1, while the sludge that lower part in sludge concentration and dewatering room 11 is precipitated by pipeline
Discharge.
Preferably, it is provided with rotary sieve in grid pond 1, to intercept particulate matter in sewage, suspended matter, adjusts water inlet water
Matter；
Conditioning tank 2 is built jointly with inlet pumping station, so that guaranteeing the progress of subsequent treatment process into factory's waste water lifting；
Primary sedimentation tank 3 for removing solid and floating substance (such as leaf, wooden unit, waste plastics) in waste water, reduce by 15~
30% biochemical oxygen demand (BOD) is handled convenient for subsequent biochemical；
Preferably, the volumetric loading of UASB reactor is 10kgCOD/m in up-flow anaerobic sludge blanket reaction tank 43Daily,
Hydraulic detention time: 26h；
It is mounted with organism compatibility filling in up-flow anaerobic sludge blanket reaction tank 4, and utilizes pulse water distributing device water distribution
Percussion improves biological decomposition efficiency so that filler is good with waste water in reactor；
It is provided with three phase separator in up-flow anaerobic sludge blanket reaction tank 4, so that the collecting methane generated imports biogas
Burner carries out burning disposition.
In up-flow anaerobic sludge blanket reaction tank 4, by the anaerobic reaction of granule sludge, through hydrolysis, acidification, acid, production are produced
Methane four-stage, most of organic matter are degraded or are removed, and are created condition for subsequent Aerobic Process for Treatment；
The setting in the pond A2/O 5 handles sewage by anaerobic- anoxic- oxic, removes organic matter to synchronous, and nitrify
Denitrogenation, dephosphorization；Wherein, 5 sludge loading 0.12kgBOD5/kgMLSS.d of the pond A2/O, mixed liquor suspended concentration 3.0g/L, reflux are dirty
Mud concentration 8.0g/L, anaerobic zone HRT=7h, anoxic zone HRT=7h, aerobic zone HRT=20h, return sludge ratio 60%, mixed liquor
Reflux ratio 200%, mixed liquor internal reflux ratio 200%；
Water blender is set for every group in anaerobic zone during biochemical treatment；Submersible agitator is set for every group in anoxic zone；It is aerobic
Aerator uses disc type rubber film micro hole aerator in area.Mixed liquor reflux pump is arranged in plug-flow aeration tank exit, and reuse is extremely
Anoxic pond selects proof submersible sand discharging pump.
Secondary settling tank 6 uses radical sedimentation basin, guarantees efficient mud-water separation effect, reduces occupied area, while can close
Reason utilizes treating stations place, optimizes structures general layout, maximum hydraulic surface loading 0.7m3/m2h, D=14.8m.
It is furnished with center driving scraping and sucking machine one in sedimentation basin.
Preferably, it flocculates in inclined-tube sedimentation tank 7, flocculation time 20min, inclined plate area upflow velocity is 0.5mm/s；
Filtering cloth filtering pool 8 improves effluent quality for removing in waste water with impurity existing for suspended state；
Disinfecting tank 9 is disinfection by ultraviolet light, to kill the Escherichia coli in waste water, pathogenic germ and virus, after up to standard
Discharge water body；Ultraviolet dosage is preferably 25mJ/cm2；
The water outlet water level of disinfecting tank 9 is controlled using automatic weir gate；And it can continuously be monitored in being equipped on disinfecting tank 9
UV intensity monitoring system and ultraviolet light tube automatic cleaning system；
Further, into the sludge in sludge concentration tank 10, it is transported to sludge concentration and dewatering room 11 again after dosing improves
It is interior；
Sludge concentration and dewatering room 11 is built jointly by dehydration machine room, instrument cubicle, machinery room, and with autoclave diaphragm filter press, concentration
Sewage sludge feed screw pump.
In the utility model, wastewater treatment target is soybean wastewater, and biological treatment includes aerobic process
And anaerobic technique, aerobic process have the characteristics that stable, removal rate is high, effluent quality is good, are suitble to low-concentration organic waste water
Processing；Anaerobic technique has the characteristics that load is high, energy consumption is small, sludge output is few, construction investment saves, suitable treatment high-concentration waste
Water, but when handling high-concentration waste water with anaerobic technique, it needs plus Aerobic biological process, just can guarantee outlet effect, so this reality
With it is novel using anaerobism+aerobic combination bioprocess technology be handle such waste water a kind of best combination.
In the utility model design, service object, the Inlet and outlet water water quality requirement, place control strip of wastewater treatment are comprehensively considered
Part, Technological Economy etc., anaerobism use upflow anaerobic sludge blanket reactor (UASB) technique.Biological phosphate-eliminating denitrification process
It all include anaerobism, anoxic, the alternate cycles of aerobic three various process, it is contemplated that technological design should both be suitable for construction, again easily
Conventional A2/O technique is adopted in operation, design.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (9)
1. a kind of high concentration return flow device, it is characterised in that: the grid pond including passing sequentially through pipeline connection
(1), conditioning tank (2), primary sedimentation tank (3), up-flow anaerobic sludge blanket reaction tank (4), the pond A2/O (5), secondary settling tank (6), flocculation are oblique
Pipe sedimentation basin (7), filtering cloth filtering pool (8), disinfecting tank (9).
2. a kind of high concentration return flow device according to claim 1, it is characterised in that: set in grid pond (1)
Rotary sieve has been set, to intercept particulate matter in sewage, suspended matter, has adjusted influent quality.
3. a kind of high concentration return flow device according to claim 1, it is characterised in that: primary sedimentation tank (3) is used for
Solid and floating substance in waste water are removed, 15~30% biochemical oxygen demand (BOD)s are reduced, is handled convenient for subsequent biochemical.
4. a kind of high concentration return flow device according to claim 1, it is characterised in that: upflow anaerobic sludge
The volumetric loading of UASB reactor is 10kgCOD/m in bed reaction tank (4)3Daily, hydraulic detention time: 26h.
5. a kind of high concentration return flow device according to claim 1, it is characterised in that: the pond A2/O (5) are set
It sets, handles sewage by anaerobic- anoxic- oxic, remove organic matter to synchronous.
6. a kind of high concentration return flow device according to claim 1, it is characterised in that: filtering cloth filtering pool (8) is used
With impurity existing for suspended state in removal waste water.
7. according to claim 1 to a kind of 6 any high concentration return flow devices, it is characterised in that: further include
One sludge concentration tank (10), primary sedimentation tank (3), up-flow anaerobic sludge blanket reaction tank (4), secondary settling tank (6) pass through pipeline and dirt
Mud thickener (10) connection, the sludge for that will precipitate input sludge concentration tank (10).
8. according to claim 1 to a kind of 6 any high concentration return flow devices, it is characterised in that: further include
One sludge concentration and dewatering room (11), sludge concentration tank (10), flocculation inclined-tube sedimentation tank (7) pass through pipeline and sludge concentration and dewatering
Room (11) connection.
9. according to claim 1 to a kind of 6 any high concentration return flow devices, it is characterised in that: secondary settling tank
(6) returned sludge outlet is connected to by pipeline with the anaerobic zone in the pond A2/O (5), for the reflux in secondary settling tank (6) is living
Property sludge reflux to the pond A2/O (5) anaerobic zone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821408610.5U CN209178176U (en) | 2018-08-30 | 2018-08-30 | A kind of high concentration return flow device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821408610.5U CN209178176U (en) | 2018-08-30 | 2018-08-30 | A kind of high concentration return flow device |
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| CN209178176U true CN209178176U (en) | 2019-07-30 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110615584A (en) * | 2019-10-25 | 2019-12-27 | 苏州苏沃特环境科技有限公司 | Device and method for standard treatment of bean product wastewater |
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2018
- 2018-08-30 CN CN201821408610.5U patent/CN209178176U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110615584A (en) * | 2019-10-25 | 2019-12-27 | 苏州苏沃特环境科技有限公司 | Device and method for standard treatment of bean product wastewater |
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