CN107915317A - A kind of anaerobic tower water distribution system - Google Patents
A kind of anaerobic tower water distribution system Download PDFInfo
- Publication number
- CN107915317A CN107915317A CN201711316080.1A CN201711316080A CN107915317A CN 107915317 A CN107915317 A CN 107915317A CN 201711316080 A CN201711316080 A CN 201711316080A CN 107915317 A CN107915317 A CN 107915317A
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- distribution system
- water distribution
- anaerobic tower
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/28—Anaerobic digestion processes
- C02F3/2866—Particular arrangements for anaerobic reactors
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
- C02F2203/006—Apparatus and plants for the biological treatment of water, waste water or sewage details of construction, e.g. specially adapted seals, modules, connections
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- Life Sciences & Earth Sciences (AREA)
- Microbiology (AREA)
- Biodiversity & Conservation Biology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The invention discloses a kind of anaerobic tower water distribution system,Include anaerobic tower water distribution system body,Anaerobic tower water distribution system body bottom portion sets circular water distribution system main body,Middle and upper end is all provided with the three-phase separate device connected with upper end collecting methane pipe with biogas water sealed tank,Outside circular ring shape arrangement return main,Some exteenal reflux branch pipes of radial equipartition from top to bottom are drawn from return main,Branch pipe in exteenal reflux,Exteenal reflux lower branch line,The three-phase separate device lower end of upper end sets the return duct connected with return main,Sewage of the present invention is connected with return main,And from the reflux branch pipe of radial equipartition,Branch pipe in reflux,Reflux lower branch line enters water distribution system,The mixing water slug for the sewage formation that suspended particulate is persistently refluxed sludge during gliding on water distribution system main body inclined-plane and comes in suspends in water upwards in sewage,Partial suspended particle, which is mingled in waste water, discharges,Another part returns to anaerobism tower bottom by return duct and forms circulation,Solve the problems, such as that water distribution system main body is covered by particle.
Description
Technical field
The present invention relates to a kind of environmental protection equipment water-treatment technology field, especially a kind of anaerobic tower water distribution system.
Background technology
China's expanded granular sludge bed reactor (EGSB) reactor water treatment technology includes crucial anaerobic tower water charging system,
There is presently no the relevant criterion and specification of ten subsystems.At present,《Three-protection design Technical Manual-Engineering》、《Waste water treatment engineering
Technical manual》、《Biological wastewater treatment new technology》Deng to the construction of expanded granular sludge bed reactor (EGSB) reactor, principle,
The content such as design and startup has done related request.
The EGSB reactors in China are as an improvement the UASB reactors of type at present, although in structure type, sludge shape
State etc. and UASB reactors are closely similar, but its working operating mode and UASB are completely different, and higher upflow velocity makes
It is granular mud bed to be in swelling state, it can not only make to come into full contact with into water and granule sludge, improve mass-transfer efficiency, and be conducive to
Diffusion, the transmission of matrix and metabolite inside and outside granule sludge, ensure that reactor under the conditions of higher volumetric loading just
Often operation.Compared with UASB reactors, EGSB reactors have the characteristics that：
A) EGSB reactors can obtain high treatment efficiency under high loads, in processing CODCr concentration less than 1000mg/L's
Very high load and removal rate are remained to during waste water；
B) EGSB reactors interior energy maintains very high upflow velocity.
C) EGSB reactors require water distribution system more loose, but three phase separator are required more stringent.High waterpower
Load make it that stirring intensity increases in reactor, while ensureing that granule sludge comes into full contact with waste water, efficiently solves
Short stream, dead angle and blockage problem common UASB.But high water-base fluid and the collective effect of biogas buoyancy stirring make sludge easy
It is lost in.Therefore the key for being designed to the operation of EGSB reactors efficient stable of three phase separator；
D) EGSB reactors are using processing water technique of backflow, and for room temperature and underload organic wastewater, reflux can increase instead
The hydraulic load of device is answered, ensures treatment effect.For ultrahigh concentration or the waste water containing noxious material, reflux can be diluted into instead
The substrate concentration and toxic substance concentration in device are answered, reduces its suppression and murder by poisoning to microorganism, this is that EGSB is different from UASB
One of the characteristics of reactor is the most prominent.
EGSB reactors are summarized in table 1 with the dramatically different of UASB reactors.
The main distinction of 1 EGSB reactors of table and UASB reactors
Although the water distribution system of domestic EGSB reactors improves a lot, but there is equipment investment height, the energy
The problem of consumption is big, performance is not sufficiently stable, it is crucial that, all precipitated into the particle in the waste water of reactor and be covered in water distribution
Deposition is formed in system, the sludge of deposition is easily dead to influence treatment effect, while adds very big fiber crops to follow-up cleaning
It is tired.
The content of the invention
It is an object of the invention to overcome above-mentioned the deficiencies in the prior art, there is provided a kind of anaerobic tower water distribution system, comprising detesting
Oxygen column water distribution system body, anaerobic tower water distribution system body bottom portion set water distribution system main body, centre and upper end and are all provided with three-phase separate device,
The collecting methane pipe of three-phase separate device upper end is connected with biogas water sealed tank.The water distribution system main body is circular, water distribution system main body
The cylindrical return main that is circular layout, by drawing some exteenal reflux branch pipes of radial equipartition from top to bottom on return main, in exteenal reflux
Branch pipe and exteenal reflux lower branch line.Side sets the sampling pipe one outside connecting, sampling pipe two, sampling pipe three, sampling from top to bottom
Guan Si, the three-phase separate device lower end of upper end set return duct, and rectification packing area upper end sets the drainpipe connected with external flange, the present invention
Sewage enters from the water distribution system of lower end, and the suspended particulate in sewage continues quilt during gliding on water distribution system main body inclined-plane
Suspending in water upwards under the mixing water slug that returned sludge and the sewage raw water come in are formed, middle water is sent out upwards after processing,
Partial suspended particle, which is mingled in waste water, discharges, and into lower one of technique, continues to play the effect of its decomposition sewage, this hair
Bright sewage enters from the return main that is circular layout, respectively from branch pipe in some radially-arranged exteenal reflux branch pipes, exteenal reflux and
Exteenal reflux lower branch line forms upward power after entering the cone and ring-shaped groove of water distribution system main body, in sewage and sewage
Grain up moves, if sewage, into after crossing the separation of dried layer three-phase separate device, the middle water after processing is discharged upwardly through effluent weir；Gas
Biogas water sealed tank is entered by collecting methane pipe；Suspended particulate in sewage is blocked isolating, and segregate particle is due to dead weight
Measure Sewage shock upward after in sinking watching by the impact of water distribution system main body inclined-plane being entered to suspend in water so that particle is all the time
In suspended state, solve the problems, such as that conventional water distribution system main body is covered by particle, not only high treating effect, and invest
Save, obvious energy conservation.
To reach above-mentioned purpose, the technical scheme is that：A kind of anaerobic tower water distribution system, includes anaerobic tower cloth water system
System body, the anaerobic tower water distribution system body bottom portion set water distribution system main body, centre and upper end and are all provided with three-phase separate device, upper end
Three-phase separate device divides into that support plate one is fixed with I-steel, upper end connects collecting methane pipe one, and the collecting methane Guan Yiyu removes biogas
Water sealed tank connects, and middle three-phase separate device divides into I-steel and support plate two is fixed, upper end sets collecting methane pipe two, and the biogas is received
Collector two is connected with biogas water sealed tank, and the water distribution system main body is circle, and the arrangement reflux of water distribution system main body outer annular is led
Pipe, by being drawn on return main, some exteenal reflux branch pipes of radial equipartition, branch pipe, exteenal reflux lower branch line in exteenal reflux from top to bottom.
Effluent weir side sets sampling pipe one, sampling pipe two, sampling pipe three, the sampling pipe four outside connection from top to bottom.
Further set, the three-phase separate device lower end of upper end sets return duct in the anaerobic tower water distribution system body.
Further set, the three-phase separate device rectification packing area upper end of upper end sets draining in the anaerobic tower water distribution system body
Pipe, the drainpipe flange external with anaerobic tower water distribution system body connect.
Further set, the center of the water distribution system main body sets the cone of the certain angle of upward opening.
Further set, the upper surface of the water distribution system main body also sets a upward opening certain angle close to cylindrical place
Groove, groove along the circumferential direction one week arranges.
Further set, branch pipe, the cone of exteenal reflux lower branch line connection water distribution system main center in the exteenal reflux.
Further set, the ring-shaped groove at the exteenal reflux branch pipe connection cylindrical place in water distribution system main body upper surface.
Further set, the return duct and return main unicom, return main in exteenal reflux branch pipe, exteenal reflux again with propping up
Pipe, the connection of exteenal reflux lower branch line, the external sewage input pipe of return main.
The beneficial effects of the invention are as follows：Sewage of the present invention is connected with return main, and if from the dry refluxing branch of radial equipartition
After branch pipe, reflux lower branch line enter water distribution system on pipe, reflux, the suspended particulate in sewage glides on water distribution system main body inclined-plane
During be persistently refluxed sludge and mixing water slug that the sewage raw water come in is formed under suspend upwards in water, after processing
Middle water is sent out upwards, and partial suspended particle, which is mingled in waste water, discharges, and into lower one of technique, continues to play its decomposition dirt
The effect of water；Another part returns to anaerobism tower bottom again by return duct, forms circulation, the cone of anaerobic tower water distribution system bottom
Shape structure solves the problems, such as that water distribution system main body is covered by particle.
Brief description of the drawings
Fig. 1 is the schematic diagram of the present invention；
Fig. 2 is the schematic diagram of three-phase separate device in Fig. 1；
Fig. 3 is the plan of three-phase separate device in Fig. 1；
Fig. 4 is the water distribution plan of water distribution system main body in Fig. 1.
In figure：Anaerobic tower water distribution system body 1, remove biogas water sealed tank 2, collecting methane pipe 1, support plate 1, I-steel
5th, collecting methane pipe 26, support plate 27, exteenal reflux lower branch line 8, branch pipe 9 in exteenal reflux, exteenal reflux branch pipe 10, return main 11,
Three-phase separate device 12, return duct 13, drainpipe 14, flange 15, water distribution system main body 16, effluent weir 17, sampling pipe 1, sampling
Pipe 2 1602, sampling pipe 3 1603, sampling pipe 4 1604.
Embodiment
Below with reference to the embodiments and with reference to the accompanying drawing the technical solutions of the present invention will be further described.
As shown in Figure 1 to 4, a kind of anaerobic tower water distribution system, includes anaerobic tower water distribution system body 1, the anaerobic tower
1 bottom of water distribution system body sets water distribution system main body 16, middle and upper end is all provided with three-phase separate device 12, under the three-phase separate device 12 of upper end
If support plate 1 is fixed with I-steel 5, upper end connects collecting methane pipe 1, the collecting methane pipe 1 is with removing biogas water sealed tank 2
Connection, middle three-phase separate device 12 divides into I-steel 5 and support plate 27 is fixed, upper end sets collecting methane pipe 26, and the biogas is received
Collector 26 is connected with biogas water sealed tank 2, and the water distribution system main body 16 is circle, and 16 outer annular of water distribution system main body is arranged
Return main 11, by drawing some exteenal reflux branch pipes 10 of radial equipartition from top to bottom on return main 11, branch pipe in exteenal reflux
9th, exteenal reflux lower branch line 8.17 side of effluent weir set from top to bottom connection outside sampling pipe 1, sampling pipe 2 1602,
Sampling pipe 3 1603, sampling pipe 4 1604, sewage of the present invention are connected with return main, and if from the dry refluxing branch of radial equipartition
After branch pipe, reflux lower branch line enter water distribution system on pipe, reflux, the suspended particulate in sewage glides on water distribution system main body inclined-plane
During be persistently refluxed sludge and mixing water slug that the sewage raw water come in is formed under suspend upwards in water, after processing
Middle water is sent out upwards, and partial suspended particle, which is mingled in waste water, discharges, and into lower one of technique, continues to play its decomposition dirt
The effect of water；Another part returns to anaerobism tower bottom again by return duct, forms circulation, the cone of anaerobic tower water distribution system bottom
Shape structure solves the problems, such as that water distribution system main body is covered by particle.
12 lower end of three-phase separate device of upper end sets return duct 13 in the anaerobic tower water distribution system body 1, with water distribution system sheet
10 unicom of return main of body 1, enters 16 weight of water distribution system main body beneficial to the sewage containing particle after processing from return main 11
Multiple circulation.
The 12 rectification packing area upper end of three-phase separate device of upper end sets drainpipe 14, institute in the anaerobic tower water distribution system body 1
The flange 15 external with anaerobic tower water distribution system body 1 of drainpipe 14 is stated to connect.
The center of the water distribution system main body 16 sets the cone of the certain angle of upward opening, beneficial to branch pipe in exteenal reflux
9th, the sewage commutation water distribution upward that exteenal reflux lower branch line 8 enters, the granule impact in sewage is upward, and impact makes former upwards
Grain suspends, and eliminates the drawbacks of particles sink is covered in water distribution system 16 surface of main body.
The cylindrical place in upper end of the water distribution system main body 16 sets the tapered trenches of a upward opening, groove circumferential cloth
Put, the sewage commutation water distribution upward entered beneficial to exteenal reflux branch pipe 10 is upward the granule impact in sewage, and impact makes upwards
Former particle suspends, and eliminates the drawbacks of particles sink is covered in water distribution system 16 surface of main body.
Branch pipe 9, exteenal reflux lower branch line 8 connect the cone at 16 center of water distribution system main body in the exteenal reflux.
The exteenal reflux branch pipe 10 connects the tapered trenches at the 16 cylindrical place in upper surface of water distribution system main body.
The return duct 13 connects with branch pipe 9, exteenal reflux lower branch line 8 in return main 11, exteenal reflux branch pipe 10, exteenal reflux
Lead to, the external sewage input pipe of return main 11, the sewage in return main 11 is uniformly distributed to be entered in water distribution system main body 16, uniformly
Water distribution.
Case study on implementation
Present invention water inlet, into aqueous mode, thoroughly solves the system using annular 16 multi-step formula of water distribution system main body
Water inlet system is uniformly mixed upflow fluidization problem with anaerobic sludge, at the same solve calcification sludge, excess sludge centralized collection and
Emission problem；The main function of anaerobic tower water distribution system body into the water distribution system of national regulation is that water inlet is uniformly distributed
To the bottom of whole reactor, and a uniform upflow velocity is produced, sewage passes through anaerobic tower water distribution system body lower loop
The cylindrical place of cone and upper surface of upward opening certain angle is set around the center of uniformly distributed pipeline into water distribution system main body 16
Tapered trenches after form upward power, the particle in sewage and sewage up moves, if sewage is into crossing dried layer three-phase separate device
After filtering, the middle water after processing is discharged upwardly through effluent weir；Gas is entered by collecting methane pipe removes biogas water sealed tank；Sewage
In suspended particulate be blocked isolating, segregate particle due to from weight sinking watching by water distribution system main body inclined-plane impact
Upward Sewage shock suspends in water after so that particle is in suspended state all the time, solves current EGSB reactors
Through frequently with a pipe porous type water distribution manner, causing suspended sludge discharge not smooth, water distribution system main body can be covered in for a long time
Upper end, and clear up the problem of pretty troublesome.
The material that the anaerobic tower water distribution system body supporting layer of reactor uses should have good mechanical strength and chemistry
Stability is general to select cobble as support layer material.
The anaerobic tower water distribution system body of B-EGSB reactors uses Double-layer complementation three phase separator, solves well
Three phase separation-- liquid phase (water), gas phase (biogas) and solid phase (sludge) are completely separated.Biogas is set quickly to be escaped from system,
Sludge is back to reaction bed area, participates in biodegradation, and processing water smoothly flows out.
The characteristics of circulatory system of B-EGSB reactor anaerobic tower water distribution system bodies combines EGSB and IC reactors, goes out
The mode that reflux is combined in water exteenal reflux and gas stripping type.
The water outlet exteenal reflux system of EGSB reactor anaerobic tower water distribution system bodies is to be pressurizeed to realize by water pump, must consumption one
Partial power；Reflux ratio general control is between 100%~300%.Exteenal reflux inlet point is arranged on inlet channel, with raw water
Water distribution is carried out in reactor together；Effluent recycling can use low lift pipeline pump direct weighting to flow back.
IC reactors use return-flow system in gas stripping type using the biogas that itself is produced as lifting power, to realize mixed liquor
Interior circulation.Gas stripping inner circulation reactor is formed by stacking by the first anaerobic reaction room and the second anaerobic reaction room, and each anaerobism is anti-
The top of room is answered respectively to set a gas-solid-liquid three phase separator, such as the upper and lower overlapping series connection of two UASB reactors.
Gas-liquid separator is equipped with the top of B-EGSB reactor anaerobic tower water distribution system bodies, in elevated mixture
Biogas herein with mud-water separation and exporting processing system, mud mixture then returns to the mixed zone of lower end along return duct,
It is sufficiently mixed with the sludge in reactor and water inlet, realizes the inside circulation of mixed liquor.
By special designing, can start rapidly at low temperatures and can normal operation, granule sludge can be utilized to be inoculated with,
Reactor can be started rapidly using aerobic sludge for agricultural use again.
In conclusion the present invention not only reduced investment, obvious energy conservation, and selected than domestic many factories UASB,
The operation of IC, EGSB anaerobic reactor water distribution system is more stablized.
The basic principle and main feature of the present invention, and advantages of the present invention has been shown and described above.The industry
Technical staff is also aware that, the present invention from above-mentioned case study on implementation limitation, described in above-mentioned case study on implementation and specification simply
Illustrate the principle of the present invention, under the premise of present invention design category is not departed from, various changes and modifications of the present invention are possible, these
Changes and improvements all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and
Its equivalent thereof.
Claims (8)
- A kind of 1. anaerobic tower water distribution system, it is characterised in that：Comprising anaerobic tower water distribution system body, the anaerobic tower water distribution system Body bottom portion sets water distribution system main body, centre and upper end and is all provided with three-phase separate device, and the three-phase separate device of upper end divides into support plate one and I-shaped Steel is fixed, upper end connection collecting methane pipe one, and the collecting methane Guan Yiyu goes biogas water sealed tank to connect, middle three-phase separate device To divide into I-steel and support plate two is fixed, upper end sets collecting methane pipe two, the collecting methane pipe two is also connected with biogas water sealed tank, The water distribution system main body is circle, circular ring shape arrangement return main outside water distribution system main body, by drawn on return main from Branch pipe and exteenal reflux lower branch line on some exteenal reflux branch pipes of top to bottm radial equipartition, exteenal reflux.Effluent weir side is set from top to bottom Put sampling pipe one, sampling pipe two, sampling pipe three, the sampling pipe four outside connection.
- A kind of 2. anaerobic tower water distribution system as claimed in claim 1, it is characterised in that：On in the anaerobic tower water distribution system body The three-phase separate device lower end at end sets return duct.
- A kind of 3. anaerobic tower water distribution system as claimed in claim 1, it is characterised in that：On in the anaerobic tower water distribution system body The three-phase separate device rectification packing area upper end at end sets out mill weir, anaerobic tower upper end outer radius drainpipe, the drainpipe and effluent weir Connection.
- A kind of 4. anaerobic tower water distribution system as claimed in claim 1, it is characterised in that：The bottom centre of the water distribution system main body If the cone of the certain angle of upward opening.
- A kind of 5. anaerobic tower water distribution system as claimed in claim 1, it is characterised in that：The upper surface of the water distribution system main body is leaned on Nearly cylindrical place also sets the groove of a upward opening certain angle, and groove is arranged for along the circumferential direction one week.
- A kind of 6. anaerobic tower water distribution system as claimed in claim 1, it is characterised in that：In the exteenal reflux under branch pipe, exteenal reflux The cone of branch pipe connection water distribution system main center.
- A kind of 7. anaerobic tower water distribution system as claimed in claim 1, it is characterised in that：The exteenal reflux branch pipe connects water distribution system The groove at the cylindrical place in main body upper surface.
- A kind of 8. anaerobic tower water distribution system as claimed in claim 1, it is characterised in that：The return main is returned with return duct, outside Branch pipe, the connection of exteenal reflux lower branch line, return main are also connected with external sewage input pipe on stream branch pipe, exteenal reflux.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711316080.1A CN107915317A (en) | 2017-12-09 | 2017-12-09 | A kind of anaerobic tower water distribution system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711316080.1A CN107915317A (en) | 2017-12-09 | 2017-12-09 | A kind of anaerobic tower water distribution system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109293159A (en) * | 2018-11-06 | 2019-02-01 | 北京城市排水集团有限责任公司 | A kind of pressure current sewage for aerobic particle mud system is evenly distributed with processing unit and its application method |
| CN110818082A (en) * | 2019-12-02 | 2020-02-21 | 徐州工程学院 | Anaerobic membrane bioreactor |
| CN114180721A (en) * | 2021-12-23 | 2022-03-15 | 湖南子宏生态科技股份有限公司 | Breeding wastewater and sewage treatment device and technology |
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