CN105502664B - A kind of device of AB ASBR reactor start-up Anammoxs - Google Patents
A kind of device of AB ASBR reactor start-up Anammoxs Download PDFInfo
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- CN105502664B CN105502664B CN201610102527.4A CN201610102527A CN105502664B CN 105502664 B CN105502664 B CN 105502664B CN 201610102527 A CN201610102527 A CN 201610102527A CN 105502664 B CN105502664 B CN 105502664B
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- 239000007789 gas Substances 0.000 claims abstract description 48
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 28
- 238000006243 chemical reaction Methods 0.000 claims abstract description 27
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000001301 oxygen Substances 0.000 claims abstract description 13
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 13
- 239000010865 sewage Substances 0.000 claims abstract description 12
- 238000005273 aeration Methods 0.000 claims abstract description 10
- 235000013619 trace mineral Nutrition 0.000 claims abstract description 5
- 239000011573 trace mineral Substances 0.000 claims abstract description 5
- 239000010802 sludge Substances 0.000 claims description 28
- 241000894006 Bacteria Species 0.000 claims description 11
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 6
- 241000192023 Sarcina Species 0.000 claims description 5
- 241001453382 Nitrosomonadales Species 0.000 claims description 4
- 239000008187 granular material Substances 0.000 claims description 4
- 229920002401 polyacrylamide Polymers 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 238000002347 injection Methods 0.000 claims 1
- 239000007924 injection Substances 0.000 claims 1
- 239000002351 wastewater Substances 0.000 abstract description 9
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 abstract description 8
- 238000000034 method Methods 0.000 description 11
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 8
- 238000010521 absorption reaction Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 238000011069 regeneration method Methods 0.000 description 4
- 241000205011 Methanothrix Species 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 230000003851 biochemical process Effects 0.000 description 2
- 238000006065 biodegradation reaction Methods 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000006228 supernatant Substances 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- CVTZKFWZDBJAHE-UHFFFAOYSA-N [N].N Chemical class [N].N CVTZKFWZDBJAHE-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 230000004151 fermentation Effects 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical group O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000035479 physiological effects, processes and functions Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000012163 sequencing technique Methods 0.000 description 1
- 239000010801 sewage sludge Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
Classifications
-
- 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
- C02F3/30—Aerobic and anaerobic processes
- C02F3/302—Nitrification and denitrification treatment
- C02F3/307—Nitrification and denitrification treatment characterised by direct conversion of nitrite to molecular nitrogen, e.g. by using the Anammox process
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/02—Temperature
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/06—Controlling or monitoring parameters in water treatment pH
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/22—O2
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/38—Gas flow rate
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (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 device of AB ASBR reactor start-up Anammoxs, including cesspool, leading portion reaction unit and back segment reaction unit；Front and rear sections reaction unit includes ASBR reactors, gas collecting apparatus, minipump, time switch, gas flowmeter, pH analyzers, dissolved oxygen meter and temperature control device respectively；The discharge outlet of front and rear sections ASBR reactors is connected with the water inlet of back segment ASBR reactors；The height and diameter ratio of front and rear sections ASBR reactors are 23；Front and rear sections ASBR reactor tops add mouth provided with exhaust outlet, trace element, the bottom side of front and rear sections ASBR reactors is respectively equipped with water inlet and discharge outlet, the bottom centre of front and rear sections ASBR reactors is provided with gas circulation entrance and aeration head, gas circulation entrance is arranged on below aeration head, and bottom is additionally provided with exhaust-valve and mud valve.The device of the present invention realizes the removal to ammonia nitrogen in waste water while can realizing and high-enriched organics are degraded under anaerobic condition, significantly improve sewage treating efficiency, reduces processing cost.
Description
Technical field
The present invention relates to a kind of device of AB-ASBR reactor start-ups Anammox, belong to sewage sludge biological treatment
Technical field.
Background technology
China's ammonia nitrogen discharge capacity turns into influence surface water water ring more than COD far beyond the environmental carrying capacity of receiving water body
The primary index of border quality, and it is listed in overall control index during " 12 ".Ammonia nitrogen cuts down technique and is broadly divided into materialization
Method and the class of biochemical process two.Physico-chemical process processing cost of investment is high, and operating cost is high, easily causes secondary pollution.Biochemical process processing cost
Low, secondary pollution is few, but treatment effect has to be hoisted.Traditional biological denitrification process is general to ammonia nitrogen removal frank up to 70%-
80%.Suitable biochemical processing process is selected, by running, can significantly improve ammonia nitrogen removal frank effect, and at reduction
Reason expense.
Domestic existing sewage biological treatment system carrys out supplementary carbon source demand often through outer carbon source is added, and this both adds place
Cost is managed, CO in water factory is exacerbated again2Discharge and excess sludge a large amount of generations.Anammox handling process is given birth to tradition
Thing denitrogenation technology is compared, and is not required to additional organic carbon source；It is not required to add acid-base neutralization reagent, it is to avoid cause secondary pollution；Power consumption is low；
Sludge yield is few.According to domestic and international relevant report, the startup of Anammox reaction has been achieved for certain progress, but anaerobism ammonia
The oxidation bacteria generation cycle is long, and it is larger to start time difference for different reactor.The ASBR works of Anammox reaction are realized
Skill, which exists, to be had a disadvantage that：1. flora advantage is unstable, treatment effeciency is not high.Intermittent fermentation is carried out in ASBR, with most
First matrix is constantly shifted to intermediate product, and the composition and dominant population of microorganism also constantly substitute therewith in reactor, make ASBR
Sarcina methanica and methanothrix sp in reactor are all difficult to stabilization, and respective biochemical advantage can not give full play to.2. it is economical
Potential needs further excavation, and operation cost is higher.Because the anaerobic grain sludge formed in ASBR reactors is mostly with methane
Silk bacterium is dominant bacteria, sacrifices sarcina methanica matrix using the high function of speed, limits the raising of ASBR organic loadings.
To ensure the normal operation of ASBR reactors, frequently with the measure of reduction Design cooling load, to ensure reactor relatively low
The balance between acid-producing bacteria and methanogen is easily kept under load, therefore limits the raising and capital construction of reactor volume load
The at utmost reduction of investment.
The content of the invention
It is an object of the invention to provide a kind of device of AB-ASBR reactor start-ups Anammox, the device can be realized
Removal while high-enriched organics removal to ammonia nitrogen in waste water, improves sewage treating efficiency, reduces processing cost.
A kind of device of AB-ASBR reactor start-ups Anammox, including：Cesspool, leading portion reaction unit and back segment
Reaction unit；
Leading portion reaction unit includes leading portion ASBR reactors, gas collecting apparatus, minipump, time switch, gas flow
Meter, pH analyzers, dissolved oxygen meter and temperature control device；
Back segment reaction unit includes back segment ASBR reactors, gas collecting apparatus, minipump, time switch, gas flow
Meter, pH analyzers, dissolved oxygen meter and temperature control device；
The height and diameter ratio of front and rear sections ASBR reactors are 2-3；Front and rear sections ASBR reactor tops are equipped with row
Gas port and trace element add mouth, and the bottom side of front and rear sections ASBR reactors is respectively provided with water inlet and discharge outlet, front and rear sections
The bottom centre of ASBR reactors is equipped with gas circulation entrance and aeration head, and gas circulation entrance is arranged on below aeration head；
The bottom of front and rear sections ASBR reactors is equipped with exhaust-valve and mud valve；Exhaust outlet is connected by airway tube with gas collecting apparatus, collection
Device of air is connected by airway tube with minipump inlet end, and minipump controls to open by time switch, miniature true
The outlet side of empty pump is connected with gas flowmeter inlet end, and gas flowmeter outlet side is connected with gas circulation entrance；
Cesspool is connected with the water inlet of leading portion ASBR reactors；The discharge outlet and back segment ASBR of leading portion ASBR reactors are anti-
The water inlet of device is answered to be connected；
Start front and rear sections ASBR reactors：Using municipal sewage plant's returned sludge as seed sludge, front and rear sections are injected
In ASBR reactors, its sludge concentration is 3000-4000mg/L, is cultivated and is added with original volume load 0.2gCOD/ (Ld)
Appropriate flocculant polyacrylamide, in cultivating anaerobic grain sludge under medium temperature condition；Wastewater influent injects leading portion in cesspool
Adsorbed in ASBR reactors, after absorption terminates, sewage is degraded into back segment ASBR reactors；After the completion of water inlet, lead to
Cross time control switch room to have a rest opening minipump, gas in airbag is sucked air chamber by minipump, and reaction is delivered to after pressurization
Device bottom is stirred, and waste water is fully contacted mixing with sludge, carries out absorption degradation reaction；
After stage of reaction last time is stirred, time controller power supply is closed automatically, and reactor enters precipitate phase；It is mixed
Close liquid to precipitate under quiescent conditions, carry out separation of solid and liquid；Effluent switch is opened, makes the supernatant after precipitation in gas storage pressure
Reactor is discharged in the presence of power；
Sewage in front and rear sections ASBR reactors is determined by pH analyzers, dissolved oxygen meter and temperature control device respectively
PH value, dissolved oxygen and water temperature, make its pH value maintain 6.8-7.2, dissolved oxygen and maintain 35 ± 2 DEG C close to 0, water temperature；Transport daily
2-3 cycle of row, leading portion ASBR reactors each cycle includes water inlet-absorption-sedimentation-draining-regeneration, and back segment ASBR is anti-
Device each cycle is answered to include water inlet-degraded-sedimentation-draining-idle；Operation front and rear sections ASBR reactions under these conditions
Device, gradually steps up organic concentration to more than 5000mg/L, and realize granular sludge；
Start Anammox reaction：After granular sludge is realized, NH is added into leading portion ASBR reactors4 +- N and
NO2 -- N, initial concentration is respectively 50mg/L and 40mg/L, and is stepped up, and increase gradient is respectively 50mg/L and 20mg/L, is made
NH4 +-N、NO2 -- N concentration increases to 550mg/L and 320mg/L respectively, finally realizes Anammox.
The technical principle of the present invention is as follows：
Respectively selectively cultivated in forward and backward two reactor and develop respective dominant bacteria, make forward and backward two reactor
Respectively with the technique of the mode operation of Adsorption-Biodegradation, the technique is different with methanothrix sp according to sarcina methanica
Physiology characteristic, respectively selectively cultivates in forward and backward two reactor and develops respective dominant bacteria, anti-in leading portion ASBR
Answer and cultivated in device using sarcina methanica and anaerobic ammonia oxidizing bacteria as the granule sludge of dominant bacteria, trained in back segment ASBR reactors
Support using methanothrix sp and anaerobic ammonia oxidizing bacteria as the granule sludge of dominant bacteria, the water inlet of back segment is the water outlet of leading portion, makes forward and backward two
Section reactor is under the load differed greatly respectively with the mode operation of Adsorption-Biodegradation.
The operational mode of AB-ASBR technique leading portions is " water inlet-absorption-sedimentation-draining-regeneration "；The operation of back segment
Pattern is " water inlet-degraded-sedimentation-draining-idle ".The optimization of methane flora is beneficial to AB-ASBR in two reactor
The increase of technique influent load and the raising of effluent quality.
Compared with prior art, the present invention has advantages below：
1. handling sewage by way of the ASBR connections of two-stage anaerobic sequencing batch reactor, realize sludge immobilization, detest
Denitrogenation while high ammonia-nitrogen wastewater under the conditions of anaerobic ammonium oxidation, high-enriched organics, solves carbon source and adds problem, reduces processing
Cost.
2. coexisting for methanogen floras and Anammox flora, is realized while high-enriched organics are removed to waste water
The removal of middle ammonia nitrogen, greatly improves sewage treating efficiency, saves processing cost and floor space.
3.AB-ASBR anaerobic ammonia oxidation reactors can successfully start up and have preferable disposal ability to ammonia nitrogen class waste water,
Experiment shows to NH4 +- N and NO2 -- N concentration for the treatment of is respectively up to 550mg/L and 320mg/L, and clearance is up to 92% respectively
With 95%.
4. the suitable ratio of height to diameter of reactor also increases the contact area of sludge and liquid, provided well for suction-operated
Environment, accelerate adsorption process；After absorption regeneration 6.5h, NH4 +- N and NO2 -- N concentration is down to reduced levels, shows that sludge can
Activity recovery is regenerated, next cycle circulation can be entered.
Brief description of the drawings
Fig. 1 is the structural representation of the device of the AB-ASBR reactor start-up Anammoxs of the present invention.
Embodiment
The method to the present invention is described in detail below in conjunction with the accompanying drawings.
As shown in figure 1, a kind of device of AB-ASBR reactor start-ups Anammox of the present invention, including：Cesspool 1,
Leading portion reaction unit and back segment reaction unit；
A kind of device of AB-ASBR reactor start-ups Anammox, including：Cesspool 1, leading portion reaction unit and back segment
Reaction unit；
Leading portion reaction unit includes leading portion ASBR reactors 2, gas collecting apparatus 42, minipump 52, time switch 62, gas
Flowmeter body 72, pH analyzers 82, dissolved oxygen meter 92 and temperature control device 102；
Back segment reaction unit includes back segment ASBR reactors 3, gas collecting apparatus 43, minipump 53, time switch 63, gas
Flowmeter body 73, pH analyzers 83, dissolved oxygen meter 93 and temperature control device 103；
In leading portion reaction unit, the height and diameter ratio of leading portion ASBR reactors 2 are 2-3；The top of leading portion ASBR reactors 2
Mouth 122 is added provided with exhaust outlet 112, trace element, the bottom side of leading portion ASBR reactors 2 is respectively equipped with water inlet 132 and draining
Mouth 142, the bottom centre of leading portion ASBR reactors 2 is provided with gas circulation entrance 152 and aeration head 162, gas circulation entrance 152
It is arranged on the lower section of aeration head 162；The bottom of leading portion ASBR reactors 2 is additionally provided with exhaust-valve 172 and mud valve 182；Exhaust outlet 112
It is connected by airway tube with gas collecting apparatus 42, gas collecting apparatus 42 is connected by airway tube with the inlet end of minipump 52, miniature
Vavuum pump 52 is controlled to open by time switch 62, and the outlet side of minipump 52 is connected with the inlet end of gas flowmeter 72,
The outlet side of gas flowmeter 72 is connected with gas circulation entrance 152；
In back segment reaction unit, the height and diameter ratio of back segment ASBR reactors 3 are 2-3；The top of back segment ASBR reactors 3
Mouth 123 is added provided with exhaust outlet 113, trace element, the bottom side of back segment ASBR reactors 3 is respectively equipped with water inlet 133 and draining
Mouth 143, the bottom centre of back segment ASBR reactors 3 is provided with gas circulation entrance 153 and aeration head 163, gas circulation entrance 153
It is arranged on the lower section of aeration head 163；The bottom of back segment ASBR reactors 3 is additionally provided with exhaust-valve 173 and mud valve 183；Exhaust outlet 113
It is connected by airway tube with gas collecting apparatus 43, gas collecting apparatus 43 is connected by airway tube with the inlet end of minipump 53, miniature
Vavuum pump 53 is controlled to open by time switch 63, and the outlet side of minipump 53 is connected with the inlet end of gas flowmeter 73,
The outlet side of gas flowmeter 73 is connected with gas circulation entrance 153；
Cesspool 1 is connected with the water inlet 132 of leading portion ASBR reactors 2；The He of discharge outlet 142 of leading portion ASBR reactors 2
The water inlet 133 of back segment ASBR reactors 3 is connected；
Start front and rear sections ASBR reactors：Using municipal sewage plant's returned sludge as seed sludge, front and rear sections are injected
In ASBR reactors, its sludge concentration is 3000-4000mg/L, is cultivated and is added with original volume load 0.2gCOD/ (Ld)
Appropriate flocculant polyacrylamide, in cultivating anaerobic grain sludge under medium temperature condition；Wastewater influent injects leading portion in cesspool 1
Adsorbed in ASBR reactors 2, after absorption terminates, sewage is degraded into back segment ASBR reactors 3；After the completion of water inlet,
Minipump 83 is intermittently opened by time switch 43, gas in airbag is sucked air chamber by minipump, is conveyed after pressurization
It is stirred to reactor bottom, waste water is fully contacted mixing with sludge, carries out absorption degradation reaction；
After stage of reaction last time is stirred, time controller power supply is closed automatically, and reactor enters precipitate phase；It is mixed
Close liquid to precipitate under quiescent conditions, carry out separation of solid and liquid；
Effluent switch is opened, the supernatant after precipitation is discharged reactor in the presence of gas storage pressure.
To ensure that reactor is in the environment of anaerobism, pneumatic agitation is carried out using reactor own biological aerogenesis；
Sewage in front and rear sections ASBR reactors is determined by pH analyzers, dissolved oxygen meter and temperature control device respectively
PH value, dissolved oxygen and water temperature, make its pH value maintain 6.8-7.2, dissolved oxygen and maintain 35 ± 2 DEG C close to 0, water temperature；Transport daily
2-3 cycle of row, each cycle of leading portion ASBR reactors 2 includes water inlet-absorption-sedimentation-draining-regeneration, back segment ASBR
The each cycle of reactor 3 includes water inlet-degraded-sedimentation-draining-idle；Operation front and rear sections ASBR is anti-under these conditions
Device is answered, organic concentration is gradually stepped up to more than 5000mg/L, and realize granular sludge；
Start Anammox reaction：After granular sludge is realized, NH is added into leading portion ASBR reactors4 +- N and
NO2 -- N, initial concentration is respectively 50mg/L and 40mg/L, and is stepped up, and increase gradient is respectively 50mg/L and 20mg/L, is made
NH4 +-N、NO2 -- N concentration increases to 550mg/L and 320mg/L respectively, finally realizes Anammox.
Claims (1)
1. a kind of device of AB-ASBR reactor start-ups Anammox, it is characterised in that reacted including cesspool (1), leading portion
Device and back segment reaction unit；
Leading portion reaction unit includes leading portion ASBR reactors (2), gas collecting apparatus (42), minipump (52), time switch
(62), gas flowmeter (72), pH analyzers (82), dissolved oxygen meter (92) and temperature control device (102)；
Back segment reaction unit includes back segment ASBR reactors (3), gas collecting apparatus (43), minipump (53), time switch
(63), gas flowmeter (73), pH analyzers (83), dissolved oxygen meter (93) and temperature control device (103)；
Using municipal sewage plant's returned sludge as seed sludge, injection leading portion ASBR reactors (2) and back segment ASBR reactors
(3) in, its sludge concentration is 3000-4000mg/L, is cultivated with original volume load 0.2gCOD/ (Ld) and adds appropriate wadding
Solidifying agent polyacrylamide, in cultivating anaerobic grain sludge under medium temperature condition；Wherein, in the leading portion ASBR reactors (2) culture with
Sarcina methanica and the granule sludge that anaerobic ammonia oxidizing bacteria is dominant bacteria, culture is with methane in back segment ASBR reactors (3)
Silk bacterium and the granule sludge that anaerobic ammonia oxidizing bacteria is dominant bacteria；
The height of leading portion ASBR reactors (2) and back segment ASBR reactors (3) and diameter ratio are 2-3；Leading portion ASBR reactors
(2) and back segment ASBR reactors (3) top is equipped with exhaust outlet and trace element adds mouth, leading portion ASBR reactors (2) and after
The bottom side of section ASBR reactors (3) is respectively provided with water inlet and discharge outlet, leading portion ASBR reactors (2) and back segment ASBR reactions
The bottom centre of device (3) is equipped with gas circulation entrance and aeration head, and gas circulation entrance is arranged on below aeration head；Leading portion
The bottom of ASBR reactors (2) and back segment ASBR reactors (3) is equipped with exhaust-valve and mud valve；Exhaust outlet by airway tube with
Gas collecting apparatus is connected, and gas collecting apparatus is connected by airway tube with minipump inlet end, and minipump passes through time switch
Control is opened, and the outlet side of minipump is connected with gas flowmeter inlet end, gas flowmeter outlet side and gas circulation
Entrance is connected；
Cesspool (1) is connected with the water inlet (132) of leading portion ASBR reactors (2)；The discharge outlet of leading portion ASBR reactors (2)
(142) it is connected with the water inlet (133) of back segment ASBR reactors (3).
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105906042B (en) * | 2016-06-09 | 2018-12-25 | 北京工业大学 | A kind of strictly anaerobic reaction unit and operation method suitable for Anammox reaction |
| CN107381806A (en) * | 2017-09-07 | 2017-11-24 | 中南大学 | The water feed apparatus and method of a kind of anaerobic reactor |
| CN107771615A (en) * | 2017-11-24 | 2018-03-09 | 重庆蕊福农食用菌种植有限公司 | Multi-functional strain fermentation tank |
| CN110127841A (en) * | 2019-04-19 | 2019-08-16 | 湖北威尔达海绵城市建设有限公司 | A kind of integrated effluent disposal system |
| CN111908734A (en) * | 2020-08-28 | 2020-11-10 | 桂林理工大学 | AB process operation method based on anaerobic ammonia oxidation |
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| JP2004321908A (en) * | 2003-04-23 | 2004-11-18 | Ataka Construction & Engineering Co Ltd | Sewage treatment apparatus and sewage treatment method |
| CN203212380U (en) * | 2013-04-16 | 2013-09-25 | 天津大学 | Anaerobic bioreactor for treating organic wastewater with high solid content |
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Application publication date: 20160420 Assignee: Shanxi Jinxinan Technology Co.,Ltd. Assignor: Taiyuan University of Technology Contract record no.: X2023980045902 Denomination of invention: A device for starting anaerobic ammonia oxidation in AB-ASBR reactor Granted publication date: 20171107 License type: Common License Record date: 20231106 |