CN106242049A - A kind of UASB ANAMMOX reactor - Google Patents
A kind of UASB ANAMMOX reactor Download PDFInfo
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- CN106242049A CN106242049A CN201610855960.5A CN201610855960A CN106242049A CN 106242049 A CN106242049 A CN 106242049A CN 201610855960 A CN201610855960 A CN 201610855960A CN 106242049 A CN106242049 A CN 106242049A
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- reactor
- uasb
- phase separator
- reflection cone
- anammox
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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
- C02F3/2846—Anaerobic digestion processes using upflow anaerobic sludge blanket [UASB] reactors
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- Life Sciences & Earth Sciences (AREA)
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- Hydrology & Water Resources (AREA)
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- Environmental & Geological Engineering (AREA)
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- 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 UASB ANAMMOX reactor, including inlet and outlet system, reactor shell, gas buffer bottle, reactor shell includes mud district from the bottom up, packing layer, settling zone, three phase separator, air chamber, gas buffer bottle connects the exhaustor of plenum roof, inlet and outlet system includes connecting the outlet of three phase separator and going out bucket, it is sequentially connected with the water inlet in mud district, peristaltic pump, water inlet bucket, three phase separator includes some infundibulate reflection cones being arranged in reactor cylinder body, it is provided with, between described reflection cone with reactor shell inwall and between neighboring reflection cone, the gas passage connecting air chamber, the top of described reflection cone is provided with the effluent trough connecting outlet.It is the most complicated that the present invention solves pre-existing reactors, the problem of little reaction in being unsuitable for laboratory, prevents blocking, has successfully started up anaerobic ammonia oxidation reactor, to NH in water4 +N reaches good removal effect, has certain industrial application value.
Description
Technical field
The present invention relates to the design of UASB reactor and the startup of anaerobic ammonium oxidation process and operation, particular by improvement
UASB reactor, adds mixed active mud at reactor bottom, sludge acclimatization progressively becomes anaerobic ammoxidation activity mud,
Water inlet adds NH4 +-N and NO2 --N, is removed both substrate by the Anammox effect of mud, and in the process
Start UASB-ANAMMOX reactor.
Background technology
UASB (up-flow anaerobic sludge reactor) reactor is second filial generation anaerobic reactor, mainly includes into water and water distribution
System, the cell body (mud district and settling zone) of reactor and these parts of three phase separator, can by solid retention time and
Hydraulic detention time separates, and can keep substantial amounts of activated sludge and sufficiently long sludge age, and attention to training granule sludge, belongs to height
Load system.But most UASB reactor easily causes blocking with short when the waste water that process solid suspension concentration is higher
Stream.Meanwhile, initial start-up and formation stable particle mud used time are longer.Additionally, the effect of three phase separator be to realize mud,
Water, the separation of gas, be the key component of reactor configuration, in addition it is also necessary to three phase separator patented technology reasonable in design.
The at present improvement to UASB reactor mainly has the following aspects:
(1) pursue high efficiency disposal ability, improve the mass transfer between sewage and mud.The design ginseng of existing UASB reactor
Number VrValue does not corresponds with the condition required by Granular sludge formation.By the strengthening of three phase separator, meet high concentration anaerobism
The condition of mud, but the mud in reactor is big with floc sludge for scum silica frost amount of advocating peace.Improved UASB reactor can make anaerobism
Microorganism farthest contacts with waste water, it is to avoid reactor forms short stream and dead angle, so that reactor obtains higher
Volumetric loading, decreases scum problem, and waste water is processed under shorter HRT.
(2) the expansion scope of application, beneficially equipment chain melts and sends out.Certain is highly concentrated processing for traditional Anaerobic Biotechnology
Degree organic wastewater aspect is achieved with the biggest success, but type of reactor is corresponding to the design of various high concentrated organic wastewaters
Data should difference.Such as real process processes starch wastewater and UASB reactor each position flow velocity relation of brewery wastewater treatment
Difference, pond type changes greatly.Economic, to effectively adapt to multiple concentration sewage common apparatus is the frontier that people are concerned about, this
Also the development for anaerobic reactor opens new space.
(3) the startup time is shortened.Owing to anaerobe length generation time and its own amplification are slow, anaerobic reactor is from opening
Begin to start to fall back on the time used by stabilized treatment effect many compared with aerobic treatment process length, thus limit Anaerobic Biotechnology and exist
Application in terms of some.Improved UASB reactor selects suitable seed sludge, suitable interior circulation and starts scheme to shortening
The anaerobic reactor startup time has very great help.
(4) anti impulsion load.Under the effect of interior circulation, effective minimizing hydraulic blow and organic loading impact are carried
The adverse effect come, makes anaerobic system greatly improve the adaptability of undesirable element (such as toxicant), enhances anaerobic technology
Advantage in terms of processing hard-degraded substance and toxicant.
ANAMMOX technique is a kind of Process of Biological Nitrogen Removal, is under anaerobic with NH4 +Make electron donor, NO2 -
For electron acceptor, thus produce the biological denitrification process of nitrogen.Its reaction equation is as follows:
NH4 ++1.32NO2 -+0.0066HCO3 -+0.13H+→0.0066CH2O0.5N0.15+1.02N2↑
+0.26NO3 -+2.03H2O (1)
In formula, CH2O0.5N0.15Cellular elements formula (empirical formula) for ANAMMOX bacterium.
ANAMMOX technique has without organic carbon source, without aeration, operation relative to traditional biological denitrification process due to it
The feature of low cost, therefore has the biggest potentiality.Owing to its biological doubling time is up to 11d in actual application,
Starting of ANAMMOX bioreactor needs 3 months even time of several years, and ANAMMOX bacterium is sensitive to environmental condition, runs
During easily affected by external condition, cause the instability in running, the application seriously constraining ANAMMOX technique to push away
Extensively.
Summary of the invention
It is an object of the invention to, by the improvement to UASB reactor configuration, add in the start-up course of Anammox
The startup of fast anaerobic ammonia oxidation reactor, improves the usefulness of reactor denitrogenation, passes through filler interlayer simultaneously and be designed to three-phase separate
Realize good mud, water, the separation of gas from device, reduce the blocking of reactor, the stability of enhancing reactor and anti-load energy
Power.
To achieve the above object of the invention, this invention takes following technical scheme:
A kind of UASB-ANAMMOX reactor, including inlet and outlet system, reactor shell, gas buffer bottle, described is anti-
Answering device cylinder to include mud district, packing layer, settling zone, three phase separator, air chamber from the bottom up, described gas buffer bottle connects gas
The exhaustor in ceiling portion, described inlet and outlet system includes connecting the outlet of three phase separator and going out bucket, be sequentially connected with mud
The water inlet in district, peristaltic pump, water inlet bucket, described three phase separator includes that some infundibulates being arranged in reactor cylinder body are anti-
Pencil, is provided with between described reflection cone with reactor shell inwall and between neighboring reflection cone that connect the gas of air chamber logical
Road, the opening part bottom described reflection cone is provided with branching block, and the top of described reflection cone is provided with the water outlet connecting outlet
Groove, relative to the design of traditional three phase separator, when the simplification in configuration of the three phase separator of this programme decreases design
Between and cost.
Further, the deflector stretching out described reflection cone top, described deflector it are vertically installed with in described reflection cone
And it is provided with the gas passage connecting air chamber between the inner vertical walls of described reflection cone.
Further, the reactor shell being positioned at described packing layer and settling zone is wrapped with for regulating reaction temperature
Water bath with thermostatic control layer.
Further, being filled with density in described packing layer is 18-32kg/m3, and in mud soak certain time
Porous aggregate.The material that porous, density are relatively low selected by filler, and filler will provide the surface of attachment for microorganism, in water also
Will not take too many dischargeable capacity, such meaning is, while keeping reactor to have certain dischargeable capacity, also to add
Biomass and the area of biological respinse in big reaction zone, the treatment effect strengthening reactor with this and the load of reactor, entering
Also the ability of certain anti-shock loading is had while water-based excessive concentration.
Further, described porous material includes that non-woven fabrics, sponge, polyvinyl alcohol coagulate pearl, biomass carbon.
Further, described mud district, packing layer, settling zone, three phase separator are provided with sample tap.
Further, the black cloth that reactor shell is carried out lucifuge process is also included.
Further, the material of described three phase separator is lucite.
Further, the lucite spacer of porous it is provided with between described mud district and packing layer.
First prior art is had the advantage that:
For the improvement of UASB reactor, many researcheres, by being mixed with filler by mud, provide as microorganism
The carrier of more growth, but in real process, but easily cause the problem of blocking, filler is distinguished by the present invention with mud
Leaving, the filler on the top in mud district can play certain effect removing substrate, also can absorb the mud of floating, and pass through
Packing layer floats to the mud of three phase separator, then can be intercepted by the iris action of lucite baffle plate inertia force, and then under
Sinking to packing area or mud district, the gas produced from mud district then can have the effect of stripping to the partial sludge of packing area,
Three phase separator simplification in configuration decreases design time and cost.
Accompanying drawing explanation
Fig. 1: ANAMMOX-UASB structure of reactor schematic diagram.
Three phase separator structural representation in Fig. 2: UASB reactor.
Fig. 3: UASB reactor is to NH4 +The removal effect figure of-N.
Fig. 4: UASB reactor is to NO2 -The removal effect figure of-N.
NO in Fig. 5: UASB reactor3 -The changing trend diagram of-N.
Shown in figure it is: 1-exhaustor；2-air chamber；3-three phase separator；4-settling zone；5-packing layer；6-mud district；7-
Water inlet；8-peristaltic pump；9-is intake bucket；10-water bath with thermostatic control layer；11-gas buffer bottle；12-deflector；13-effluent trough；14-
Reflection cone；15-outlet；16-goes out bucket；17-branching block.
Detailed description of the invention
Below in conjunction with Figure of description, the invention will be further described, but scope of the present invention is not
It is confined to the scope described in detailed description of the invention.
As shown in Figures 1 and 2, a kind of UASB-ANAMMOX reactor, including inlet and outlet system, reactor shell, gas
Body surge flask 11, described reactor shell includes mud district 6, packing layer 5, settling zone 4, three phase separator 3, gas from the bottom up
Room 2, described gas buffer bottle 11 connects the exhaustor 1 at air chamber 2 top, and described inlet and outlet system includes connecting three phase separator 3
Outlet 15 and go out bucket 16, be sequentially connected with the water inlet 7 in mud district 6, peristaltic pump 8, water inlet bucket 9, described three phase separation
Device 3 includes some infundibulate reflection cones 14 being arranged in reactor cylinder body, described reflection cone 14 and reactor shell inwall it
Between and neighboring reflection cone 14 between be provided with the gas passage of connection air chamber 2, opening part bottom described reflection cone 14 is arranged
There are branching block 17, the top of described reflection cone 14 to be provided with the effluent trough 13 connecting outlet 15, fill in described packing layer 5
There is sponge.
Be vertically installed with the deflector 12 stretching out described reflection cone 14 top in described reflection cone 14, described deflector 12 with
The gas passage of connection air chamber 2 it is provided with between the inner vertical walls of described reflection cone 14.
The reactor shell being positioned at described packing layer 5 and settling zone 4 is wrapped with the thermostatted water for regulating reaction temperature
Bath layer 10.
Described mud district 6, packing layer 5, settling zone 4, three phase separator 3 are provided with sample tap.
Also include the black cloth that reactor shell is carried out lucifuge process.
The material of described three phase separator 3 is lucite, is provided with many between described mud district 6 and packing layer 5
The lucite spacer in hole, makes the flavoring agent in packing layer 5 be in all the time in presumptive area.
The present embodiment reactor design mud district 6 is 25cm, and mud is nitrosation mud, anaerobism floc sludge and anaerobism
The mixing sludge of grain mud, mud color is brown, and addition is 1.06L, and lucite spacer is added on top, mud district 6, will
After 2h is soaked in mud and filler mixing, being added on by filler above dividing plate, packing volume is about 0.5L, packing area height 20cm,
Reactor is airtight, parcel black cloth lucifuge simultaneously.Reactor water inlet is laboratory water distribution, and water distribution substrate is ammonium chloride and nitrous acid
Sodium, with sodium bicarbonate as carbon source, (HRT is the abbreviation of Hydraulic Retention Time to HRT, i.e. hydraulic detention time refers to
Treatment sewage mean residence time in reactor, namely microbial action average anti-in sewage and bioreactor
Between Ying Shi) control at 6-12h, start at normal temperatures and run this reactor.
In implementation process, first take nitrosation mud, anaerobism floc sludge, anaerobic grain sludge, then according to 3:1:1
Ratio is mixed, and adds the mud district of reactor bottom after mixing, dividing plate is embedded in top, mud district, is mixed with mud by filler
After closing a period of time, filler is put into, then that reactor is airtight, and do lucifuge process with black cloth, laboratory water distribution is separately added into
Certain density ammonium chloride and sodium nitrite, be simultaneously introduced sodium bicarbonate to provide the inorganic carbon source of anaerobic ammonia oxidizing bacteria.Water inlet c
(NO2 --N)/c(NH4 +-N)=1.1-1.3, initial NH4 +-N concentration is 40mg/L, along with the removal of ammonia nitrogen and nitrite nitrogen promotes
NH4 +-N and NO2 -The concentration of-N.
Implementation result
Inlet and outlet water NH4 +-N concentration as shown in Figure 3, Inlet and outlet water NO2 --N concentration as shown in Figure 4, can from figure
Go out, the 0-13d, the NH of water outlet after starting water inlet4 +-N concentration is greater than into water, and unstable, the NO of water outlet2 --N concentration is then
Being to be significantly less than into water, in 0-13d, clearance is gradually lowered, and in can be seen that reactor by variation tendency, mud is in adaptation
In the stage, part microorganism generation lysis makes organic nitrogen resolve into ammonia nitrogen, and therefore water outlet ammonia nitrogen concentration increases, and simultaneously because
, there is Denitrification in reactor, be reduced into by nitrite nitrogen in the organic matter remained in mud and the existence of a small amount of dissolved oxygen
Nitrogen.The NH of 13-20d reactor water inlet4 +-N and NO2 -The concentration of-N remains basically stable with water outlet, and reactor is also in sluggish rank
Section, NO simultaneously2 -The concentration increase of-N represents the accumulation of nitrite ion in reactor, and this is also that ANAMMOX reactor opens
Dynamic critical process.Simultaneously from accompanying drawing 3, it can be seen that the NO from the beginning of 20d, in water outlet3 -The concentration of-N substantially increases,
This is to start the mark that ANAMMOX reacts occur in reactor, in the time of 20-27d, is keeping ammonia nitrogen and nitrite nitrogen water inlet
In the case of concentration is basicly stable, water outlet NH4 +-N and NO2 --N constantly reduces, from the beginning of 27d, gradually along with the carrying out started
Improve water inlet NH4 +-N and NO2 -The concentration of-N, initially enters the Load lifting stage of reactor.
After adaptive phase above, in the Load lifting stage, the lifting of substrate concentration is shown by reactor
Certain impact resistance, the NH of water outlet4 +-N and NO2 --N concentration maintains relatively low level always, 59d and 78d this two
Individual time point is substantially improved in the face of reactor influent load, and significantly ripple did not occur in the substrate removal rate of reactor
Dynamic, the clearance before returning to the most at short notice, this also reactor impact resistance in configuration, improves rank at load
Section, the clearance of ammonia nitrogen is always stable, and more than 50%, nitrite nitrogen is then affected relatively large by Load lifting, at 30d,
NO2 --N clearance is down to less than 20% because substrate concentration promotes, and reaches 50% after 5d, and this also embodies the extensive of reactor
Reactivation power.At 71-83d, NH4 +-N and NO2 -The clearance of-N all reaches more than 90%, the mud in observing response device simultaneously
, there is a large amount of light red granule sludge, at 83d, NH in district4 +-N clearance more than 98%, NO2 --N clearance 92% with
On, nitrogen removal rate reaches 81.7%, and NLR is 0.332kg/m3/ d, three nitrogen concentration change ratios gradually tend to fixed value, ammonia nitrogen
Decrement: nitrite nitrogen decrement: nitrate nitrogen growing amount=1:1.3:0.26, with the ANAMMOX reaction response formula generally acknowledged at present
The most identical, thus in reactor, leading reaction is Anammox reaction, therefore assert the success of ANAMMOX reactor start-up.
By contrasting the start-up course of other ANAMMOX reactors, under constant temperature general need three months to half a year startup time
Between, therefore the present invention achieves the quick startup of ANAMMOX reactor under normal temperature condition, and has possessed certain in start-up course
The ability of anti-shock loading.
NO in Fig. 53 -It is one of the product of ANAMMOX reaction, experiment is usually used in weighing the chemistry meter of ANAMMOX reaction
Amount ratio.
The above embodiment of the present invention is only for clearly demonstrating example of the present invention, and is not to the present invention
The restriction of embodiment.For those of ordinary skill in the field, can also make on the basis of the above description
The change of other multi-form or variation.Here without also cannot all of embodiment be given exhaustive.All the present invention's
Any amendment, equivalent and the improvement etc. made within spirit and principle, should be included in the protection of the claims in the present invention
Within the scope of.
Claims (9)
1. a UASB-ANAMMOX reactor, it is characterised in that: include inlet and outlet system, reactor shell, gas buffer bottle
(11), described reactor shell include from the bottom up mud district (6), packing layer (5), settling zone (4), three phase separator (3),
Air chamber (2), described gas buffer bottle (11) connects the exhaustor (1) at air chamber (2) top, and described inlet and outlet system includes connecting three
The outlet (15) of phase separator (3) and go out bucket (16), be sequentially connected with the water inlet (7) of mud district (6), peristaltic pump (8), enter
Bucket (9), described three phase separator (3) includes some infundibulate reflection cones (14) being arranged in reactor cylinder body, described
It is provided with between reflection cone (14) and reactor shell inwall and between neighboring reflection cone (14) that connect the gas of air chamber (2) logical
Road, the opening part of described reflection cone (14) bottom is provided with branching block (17), and the top of described reflection cone (14) is provided with connection
The effluent trough (13) of outlet (15).
UASB-ANAMMOX reactor the most according to claim 1, it is characterised in that: described reflection cone vertically sets in (14)
It is equipped with the deflector (12) stretching out described reflection cone (14) top, in described deflector (12) is vertical with described reflection cone (14)
The gas passage of connection air chamber (2) it is provided with between wall.
UASB-ANAMMOX reactor the most according to claim 1, it is characterised in that: it is positioned at described packing layer (5) and sinks
The reactor shell in shallow lake district (4) is wrapped with the water bath with thermostatic control floor (10) for regulating reaction temperature.
UASB-ANAMMOX reactor the most according to claim 1, it is characterised in that: fill in described packing layer (5)
Having density is 18-32kg/m3, and in mud, soak the porous aggregate of certain time.
UASB-ANAMMOX reactor the most according to claim 4, it is characterised in that: described porous material includes nonwoven
Cloth, sponge, polyvinyl alcohol coagulate pearl, biomass carbon.
UASB-ANAMMOX reactor the most according to claim 1, it is characterised in that: described mud district (6), packing layer
(5), settling zone (4), three phase separator (3) are provided with sample tap.
UASB-ANAMMOX reactor the most according to claim 1, it is characterised in that: also include reactor shell is carried out
The black cloth that lucifuge processes.
UASB-ANAMMOX reactor the most according to claim 1, it is characterised in that: described three phase separator (3)
Material is lucite.
UASB-ANAMMOX reactor the most according to claim 1, it is characterised in that: described mud district (6) and filler
The lucite spacer of porous it is provided with between layer (5).
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| CN201610855960.5A CN106242049A (en) | 2016-09-27 | 2016-09-27 | A kind of UASB ANAMMOX reactor |
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| CN201610855960.5A CN106242049A (en) | 2016-09-27 | 2016-09-27 | A kind of UASB ANAMMOX reactor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109970187A (en) * | 2019-03-21 | 2019-07-05 | 浙江大学 | A kind of devices and methods therefor adding biomass carbon particle strengthening UASB processing performance |
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| CN201003013Y (en) * | 2007-01-19 | 2008-01-09 | 华南理工大学 | UASB-biological film anaerobic ammoxidation apparatus |
| CN201176413Y (en) * | 2008-01-24 | 2009-01-07 | 邢思永 | Three-phase separator |
| CN201906487U (en) * | 2010-11-25 | 2011-07-27 | 广州益方田园环保科技开发有限公司 | Three-phase separator for sewage treatment |
| CN102583730A (en) * | 2012-02-22 | 2012-07-18 | 苏州科技学院 | Novel anaerobic ammonium oxidation reactor |
| CN204779031U (en) * | 2015-05-31 | 2015-11-18 | 中国城市建设研究院有限公司 | Landfill leachate's in later period high -efficient nitrogen rejection facility is handled to UASB - anaerobic ammonium oxidation granular sludge composite Biological membrane |
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2016
- 2016-09-27 CN CN201610855960.5A patent/CN106242049A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4253956A (en) * | 1978-05-23 | 1981-03-03 | N.V. Centrale Suiker Maatschappij | Apparatus for the anaerobic purification of waste water |
| CN101007679A (en) * | 2007-01-19 | 2007-08-01 | 华南理工大学 | USAB -biological membrane anaerobic ammoxidation strain denitrogenation method and its apparatus |
| CN201003013Y (en) * | 2007-01-19 | 2008-01-09 | 华南理工大学 | UASB-biological film anaerobic ammoxidation apparatus |
| CN201176413Y (en) * | 2008-01-24 | 2009-01-07 | 邢思永 | Three-phase separator |
| CN201906487U (en) * | 2010-11-25 | 2011-07-27 | 广州益方田园环保科技开发有限公司 | Three-phase separator for sewage treatment |
| CN102583730A (en) * | 2012-02-22 | 2012-07-18 | 苏州科技学院 | Novel anaerobic ammonium oxidation reactor |
| CN204779031U (en) * | 2015-05-31 | 2015-11-18 | 中国城市建设研究院有限公司 | Landfill leachate's in later period high -efficient nitrogen rejection facility is handled to UASB - anaerobic ammonium oxidation granular sludge composite Biological membrane |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109970187A (en) * | 2019-03-21 | 2019-07-05 | 浙江大学 | A kind of devices and methods therefor adding biomass carbon particle strengthening UASB processing performance |
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Application publication date: 20161221 |