CN107399811A - Integral two-part Anammox coupling denitrification removal of carbon and nitrogen device and its control operation method - Google Patents

Integral two-part Anammox coupling denitrification removal of carbon and nitrogen device and its control operation method Download PDF

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CN107399811A
CN107399811A CN201710645145.0A CN201710645145A CN107399811A CN 107399811 A CN107399811 A CN 107399811A CN 201710645145 A CN201710645145 A CN 201710645145A CN 107399811 A CN107399811 A CN 107399811A
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anammox
reative cell
coupling denitrification
nitrogen
carbon
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CN107399811B (en
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李燕
吕振
乔椋
李莹雪
徐雯
冒盛鑫
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China University of Mining and Technology CUMT
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China University of Mining and Technology CUMT
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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
    • C02F3/286—Anaerobic digestion processes including two or more steps
    • 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
    • C02F9/00—Multistage treatment of water, waste water or sewage
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/30—Organic compounds
    • 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
    • C02F2209/14—NH3-N
    • 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
    • C02F2209/16—Total nitrogen (tkN-N)
    • 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
    • C02F2301/04—Flow arrangements
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2305/00—Use of specific compounds during water treatment
    • C02F2305/06—Nutrients for stimulating the growth of microorganisms

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  • Life Sciences & Earth Sciences (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)
  • Biodiversity & Conservation Biology (AREA)
  • Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)

Abstract

A kind of integral two-part Anammox coupling denitrification removal of carbon and nitrogen device and its control operation method, device body is mainly made up of Anammox coupling denitrification reative cell and Anammox reative cell, packing layer and netted baffle plate with holes are provided with the top of two reative cells, this body sidewall is sequentially provided with water-locator, mud discharging mouth, analyzer, sample tap, mud inlet, refluxing opening, baffle plate, drainpipe, the blast pipe of the cutout of inclined anti-return from bottom to up.Present invention control ammonia nitrogen concentration scope is in 160~360mg/L, ammonia nitrogen：Nitrite nitrogen is than 1:0.5~0.8, in the different reative cell segmentation domestication culture functional flora of two ratio of height to diameters, flora is anaerobic ammonia oxidizing bacteria and denitrifying bacterium in Anammox coupling denitrification reative cell, it is ammonia oxidation bacteria to aid in flora, it is mainly anaerobic ammonium oxidizing bacteria in Anammox reative cell, the longitudinal distribution of flora and control reflux ratio, it is low to overcome the anti impulsion load of traditional biological coupling device, the shortcomings that fluctuation of service.

Description

Integral two-part Anammox coupling denitrification removal of carbon and nitrogen device and its control fortune Row method
Technical field
The present invention relates to a kind of Anammox coupling denitrification removal of carbon and nitrogen device and its operation method is controlled, especially It is a kind of be applied to anaerobic digestion livestock breeding wastewater after high-ammonia nitrogen low C/N than organic wastewater, anaerobic digestion solution water process one Body two-part Anammox coupling denitrification removal of carbon and nitrogen device and its control operation method.
Background technology
Traditional nitrification-denitrification denitrogenation process needs to consume oxygen and organic carbon source, but for some low C/N waste water, Additional carbon is needed applied to the PROCESS FOR TREATMENT, processing cost is high, and long flow path, operational administrative is also relative complex, Anammox It is a kind of autotrophy conversion process of newfound nitrogen in biological treatment process, refers to when anaerobism or anoxic, anaerobism ammonia oxygen Change microorganism using nitrite nitrogen as electron acceptor, aoxidize the process of ammonia nitrogen, the process does not need organic carbon source, saves substantial amounts of Operating cost.The anaerobic ammonium oxidizing bacteria that can handle high nitrogen load has been tamed out in culture both at home and abroad, but can only also be removed about 90% nitrogen existing in the form of ammonia and nitrous state, can not be still removed with the presence of 10% nitrogen with nitrate nitrogen.Denitrifying bacteria Under organic carbon source can preferentially by the use of nitrate nitrogen as matrix after produce nitrogen, while nitrate nitrogen can be partially converted into nitrous State nitrogen is available for anaerobic ammonia oxidizing bacteria to utilize, therefore, Anammox coupling denitrification cooperation reaction removal of carbon and nitrogen operation by The extensive concern of many scholars.
Have confirmed that anaerobic ammonium oxidizing bacteria and denitrifying bacteria can coexist in same reactor, after domestication a period of time simultaneously Certain synergy is formed as nitrogenous organic wastewater simultaneous denitrification except carbon provides a new direction, but most of anti-nitre It is heterotroph facultative anaerobic bacteria to change bacterium, and anaerobic ammonium oxidizing bacteria growth rate is far below the growth rate of denitrifying bacteria, And too high organic carbon source also suppresses the multiplication of anaerobic oxidation bacterium, while denitrifying bacteria also competitive utilization nitrite nitrogen. Under micro- oxygen environment of surrounding, ammonia oxidizing bacteria is mainly to be present in lower curtate and other granule sludge surfaces in reactor, at present, The country is coupled in the present situation of same reactor for Anammox with denitrification：Reactor fluctuation of service, impact resistance are born Lotus is low, and flora may all be substituted by denitrifying bacteria in reactor.
The content of the invention
Technical problem：The present invention exists to solve the device of existing Anammox coupling denitrification and operation method Handle during waste water that existing volumetric loading is not high, sludge loss is serious, fluctuation of service situation, there is provided it is a kind of it is simple in construction, Integral two-part Anammox coupling denitrification removal of carbon and nitrogen device easy to operate, volume transformation efficiency is high and its control fortune Row method.
Technical scheme：The integral two-part Anammox coupling denitrification removal of carbon and nitrogen device of the present invention, including by detesting The Anammox coupling denitrification removal of carbon and nitrogen that anaerobic ammonium oxidation coupling denitrification reative cell and Anammox reative cell are formed Staving；Flowed back provided with Anammox coupling denitrification reative cell described Anammox coupling denitrification reative cell bottom Mouth, mud discharging mouth, Anammox coupling denitrification reative cell top are provided with lower packing layer, and described Anammox couples anti-nitre Change reative cell and survey analyzer and water-locator that wall is provided with measurement pH and DO, Anammox coupling denitrification reative cell is provided with down Sample tap；Described Anammox reative cell bottom is provided with mud inlet, be provided with the middle part of Anammox reative cell upper sample tap, Anammox reative cell refluxing opening, anti-return cutout baffle plate is provided tiltedly with the inner wall of barrel of the upper sample tap bottom, is detested Anaerobic ammonium oxidation reative cell top is provided with upper packing layer, and the top of Anammox reative cell is provided with gas and water discharge cover, gas and water row Put and cover provided with blast pipe and drainpipe, epipelagic zone hole pattern shape is provided between gas and water discharge cover and Anammox reative cell and is kept off Plate, underlying band hole netted baffle plate is provided between Anammox coupling denitrification reative cell and Anammox reative cell, it is described Anammox reative cell refluxing opening be connected with Anammox coupling denitrification reative cell refluxing opening pipeline, anaerobism ammonia oxygen The muddy water for changing the outflow of reative cell refluxing opening delivers into Anammox coupling denitrification reative cell through peristaltic pump.
Described Anammox coupling denitrification reative cell ratio of height to diameter is 2~5, and Anammox reative cell ratio of height to diameter is 6~10.
The described volume of packing layer up and down accounts for the 20%~30% of chamber volume.
Described baffle plate semicircular in shape, baffle plate diameter is with upper strata reative cell diameter than 0.4~0.6, and baffle plate is from anaerobism ammonia oxygen The distance for changing reative cell refluxing opening is 5cm, and baffle plate is vertical with inwall into 60 °.
Described Anammox coupling denitrification reative cell refluxing opening and water-locator, vertically opposite stream, both distances 3~ 5cm。
A kind of control operation method using above-mentioned integral two-part Anammox coupling denitrification removal of carbon and nitrogen device, It is rapid including Walk Xia such as：
A, culture domestication Anammox coupling denitrification reative cell flora
1) with the anaerobism ammonia oxygen granule sludge of laboratory stable operation more than 1 year and from the Aerobic Pond in municipal sewage field, Anoxic pond takes mud totally three kinds of seed sludge culture domestications, according to sludge concentration anaerobic ammonium oxidation granular sludge：Aerobic mud：Anoxic mud (2:1：1) domestication is well mixed, the 30%~40% of chamber volume where mixing mud layer volume accounts for；
2) simulation sewage mainly has ammonia nitrogen (NH during culture domestication4Cl), concentration is in 80~400mg/L；Nitrite nitrogen (NaNO2) concentration is in 150~280mg/L；Anaerobic ammonia oxidizing bacteria is ammonia nitrogen using matrix theoretical stoichiometric ratio：Nitrite nitrogen is 1:1.32, it is ammonia nitrogen to control actual stoichiometric proportion：Nitrite nitrogen is 1:0.5~0.8, organic carbon source uses sucrose in water inlet, Glucose, anaerobic digestion solution mixed carbon source, organic carbon source concentration control range are determined anti-by analyzer in 50~100mg/L Answer device situation, nitrogen aeration deoxygenation, maintaining dissolved oxygen concentration, simulated wastewater pH is not adjusted, in high strength ammonia in 0.6~1mg/L Under nitrogen, low dissolved oxygen, when pH is more than 7.8, nitrobacteria can be comparatively fast eliminated out；
3) with KHCO3For inorganic carbon source, KHCO3Concentration be 1.8~2g/L, KH2PO4PH, pH models are adjusted as buffer 7.1~7.8 are trapped among, from the water outlet ammonia nitrogen removal frank that lower sample tap measures 80%~85%, organic carbon source clearance is stable to exist 90% and more than, when water outlet nitrite nitrogen concentration is unstable domestication terminate.
B, Anammox reative cell
1) ripe anaerobic ammonium oxidation granular sludge is passed through to Anammox reative cell from mud inlet, account for mud layer volume The 30%~40% of place chamber volume；
2) as the ammonia nitrogen of Anammox reative cell receiving and the rise of nitrite nitrogen concentration, anaerobic ammonia oxidizing bacteria produce Nitrate also become big, now Anammox reative cell refluxing opening and Anammox coupling denitrification reative cell are returned The muddy water of Anammox reative cell is passed into Anammox coupling denitrification by peristaltic pump after being connected and reacted by head piece It is indoor；
3) muddy water of backflow is anaerobic state, after the simulation water inlet with water-locator is relative flows, fully contact mixing, according to The measure situation of analyzer, adjustment reflux ratio control dissolved oxygen scope in 0.6~1.0mg/L；
4) run in a manner of continuous stream, so that waste water is efficiently purified.
The particle diameter of the anaerobic ammonium oxidation granular sludge that maturation is passed through from mud inlet is in below 0.6mm or floc sludge.
The muddy water is passed into the muddy water flow of Anammox coupling denitrification reaction indoor return according to anaerobism ammonia oxygen Change coupling denitrification running situation to determine.
Beneficial effect：By adopting the above-described technical solution, the present invention can avoid, influent waste water is too fast, excessive concentration when institute The processing of the waste water brought is not thorough, while targetedly diverse location domestication enrichment function bacterium, have updated in same dress The thinking of interior different strain coupling is put, is considered from reactor configuration, it is stable, capital cost is low, removal of carbon and nitrogen effect is good.From The staving bottom backflow slow pulling flow type of muddy water enters Anammox coupling denitrification reative cell, and muddy water and water-locator enter aqueous phase Collision suitably contact mixing is met, after absorption utilizes while nitrogen caused by bottom continues rising up to Anammox reative cell, allows Anammox reative cell mud bed more loose substrate affinity strengthens, and higher volume treatment effeciency is ensure that, similar to the 3rd It is good and stable for expanded granular sludge bed (EGSB), granulating degree.When C/N is than gradually increasing, in the muddy water of backflow Comprising anaerobic ammonia oxidizing bacteria granule sludge, anaerobic ammonium oxidizing bacteria in Anammox coupling denitrification reative cell can be maintained General activity, while the nitrate nitrogen that denitrifying bacteria needs in Anammox coupling denitrification reative cell is also provided in flowing back And nitrite nitrogen is converted it into, avoid the excessive nitrite nitrogen of its competition.Control runs integral two-part Anammox coupling Denitrification denitrogenation carbon removing device is closed, pollutant is sufficiently degraded, volumetric loading is high.Compared with prior art, have as follows Advantage：
1. Anammox coupling denitrification reative cell ratio of height to diameter is big, water inlet flow velocity is slow and water distribution is uniform, strain diversity Good, Anammox reative cell ratio of height to diameter is big, and current, which pass through flow velocity in this reative cell, to be accelerated, and is advantageous to cultivate the anaerobism of high quality Ammonia oxygen granule sludge；
2. bottom flora has ammonia oxidizing bacteria (consumption oxygen while produce acid) and the muddy water that flows back is anaerobic state, thus anaerobism Ammoxidation diminishes with that can need not be aerated deoxygenation and the adjustment of pH amplitudes in the water inlet of denitrifying bacteria coupled reaction room.
3. using two section reactor processing waste water, inorganic nitrogen organic carbon removal effect is good, efficiency high, ensure that water outlet water Matter；
4. the anaerobism muddy water to be flowed back in reactor together enters in the middle part of Anammox coupling denitrification reative cell, construction is detested Oxygen environment, the anaerobic ammonium oxidation granular sludge in backflow can allow anaerobic ammonium oxidizing bacteria to be maintained at the advantage coupled in flora, together When Anammox reaction caused by most of nitrate nitrogen be back to underlying reaction chamber, be available for denitrifying bacteria using conversion, The nitrite nitrogen excessive with anaerobic ammonium oxidizing bacteria competition is avoided, also improves device nitrogen removal rate；
5. two reative cell tops are provided with the bed of material, there is netted baffle plate above packing layer, make each reative cell not light Sludge is easy to run off, is increased during removal of carbon and nitrogen performance is steady；
6. setting reverse flow baffle, it can effectively allow in the muddy water of backflow and be free of gas, so that muddy water capacity of returns is not risen The influence of nitrogen.
Brief description of the drawings
Fig. 1 is the structural representation of the integral two-part Anammox coupling denitrification removal of carbon and nitrogen device of the present invention.
In figure：Anammox coupling denitrification removal of carbon and nitrogen staving -1, Anammox coupling denitrification reative cell -3, Mud discharging mouth -2, Anammox coupling denitrification reative cell refluxing opening -5, water-locator -6, analyzer -7, lower sample tap -8, under fill out The bed of material -4, underlying band hole netted baffle plate -14；Anammox reative cell -15, mud inlet -9, upper sample tap -10, anaerobism ammonia oxygen Change reative cell refluxing opening -11, baffle plate -16, upper packing layer -12, drainpipe -13, epipelagic zone hole netted baffle plate -17, blast pipe - 18。
Embodiment
One embodiment of the present of invention is further described below in conjunction with the accompanying drawings：
The integral two-part Anammox coupling denitrification removal of carbon and nitrogen device of the present invention, including by Anammox coupling Close the Anammox coupling denitrification removal of carbon and nitrogen staving 1 of anti-nitration reaction room 3 and the composition of Anammox reative cell 15；Institute The bottom of Anammox coupling denitrification reative cell 3 stated is provided with Anammox coupling denitrification reative cell refluxing opening 5, spoil disposal Mouth 2, the top of Anammox coupling denitrification reative cell 3 are provided with lower packing layer 4, and described Anammox coupling denitrification is anti- Room 3 is answered to survey analyzer 7 and water-locator 6 that wall is provided with measurement pH and DO, Anammox coupling denitrification reative cell 3 is provided with down Sample tap 8；The described ratio of height to diameter of Anammox coupling denitrification reative cell 3 is 2~5, the Gao Jing of Anammox reative cell 15 Than for 6~10.Described Anammox coupling denitrification reative cell refluxing opening 5 and water-locator 6, vertically opposite stream, both away from From 3~5cm.The described bottom of Anammox reative cell 15 is provided with mud inlet 9, and the middle part of Anammox reative cell 15 is provided with upper Sample tap 10, Anammox reative cell refluxing opening 11, it is provided tiltedly with the inner wall of barrel of the upper bottom of sample tap 10 and prevents back Stream cutout baffle plate 16, the described semicircular in shape of baffle plate 16, baffle plate diameter and upper strata reative cell diameter than 0.4~0.6, baffle plate 16 from The distance of Anammox reative cell refluxing opening 11 is 5cm, and baffle plate is vertical with inwall into 60 °.On Anammox reative cell 15 Portion is provided with upper packing layer 12, and the described volume of packing layer up and down accounts for the 20%~30% of chamber volume.Anammox reacts The top of room 15 is provided with gas and water discharge cover, and gas and water discharge cover is provided with blast pipe 18 and drainpipe 13, and gas and water discharge cover is with detesting Epipelagic zone hole netted baffle plate 17, Anammox coupling denitrification reative cell 3 and anaerobism are provided between anaerobic ammonium oxidation reative cell 15 Underlying band hole netted baffle plate 14, described Anammox reative cell refluxing opening 11 and anaerobism are provided between ammoxidation reaction room 15 The pipeline of ammoxidation coupling denitrification reative cell refluxing opening 5 is connected, the muddy water warp that Anammox reative cell refluxing opening 14 flows out Peristaltic pump delivers into Anammox coupling denitrification reative cell 3, and the amount of backflow muddy water discharge is according to each respectively under The operation conditions that the sampling of sample tap 8 is surveyed determines.
Use the control operation method of above-mentioned integral two-part Anammox coupling denitrification removal of carbon and nitrogen device, bag It is rapid to include Walk Xia Ru：
A, culture domestication Anammox coupling denitrification reative cell flora
1) with the anaerobism ammonia oxygen granule sludge of laboratory stable operation more than 1 year and from the Aerobic Pond in municipal sewage field, Anoxic pond takes mud totally three kinds of seed sludge culture domestications, according to sludge concentration anaerobic ammonium oxidation granular sludge：Aerobic mud：Anoxic mud (2:1：1) domestication is well mixed, the 30%~40% of chamber volume where mixing mud layer volume accounts for；
2) simulation sewage mainly has ammonia nitrogen (NH during culture domestication4Cl), spend in 80~400mg/L；Nitrate nitrogen (NaNO2) concentration is in 150~280mg/L；Anaerobic ammonia oxidizing bacteria is ammonia nitrogen using matrix theoretical stoichiometric ratio：Nitrite nitrogen is 1:1.32, it is ammonia nitrogen to control actual stoichiometric proportion：Nitrite nitrogen is 1:0.5~0.8, organic carbon source uses sucrose in water inlet, Glucose, anaerobic digestion solution mixed carbon source, organic carbon source concentration control range determine reactor in 50~100mg/L, analyzer 7 Situation, deoxygenation is aerated, maintains dissolved oxygen concentration not adjusted in 0.6~1mg/L, simulated wastewater pH, in ammonia nitrogen in high density, low dissolving Oxygen, when pH is more than 7.8, it can comparatively fast eliminate out nitrobacteria；
3) with KHCO3For inorganic carbon source, KHCO3Concentration be 1.8~2g/L, KH2PO4PH, pH models are adjusted as buffer 6.7~7.8 are trapped among, from the water outlet ammonia nitrogen removal frank that lower sample tap (8) measures 80%~85%, organic carbon source clearance is stable 90% and more than, nitrite nitrogen processing it is halfway when domestication terminate.
B, Anammox reative cell
1) ripe anaerobic ammonium oxidation granular sludge is passed through to Anammox reative cell 15 from mud inlet 9, make mud layer body The 30%~40% of chamber volume where product accounts for；The grain of the anaerobic ammonium oxidation granular sludge that maturation is passed through from mud inlet 9 Footpath is in below 0.6mm or floc sludge；
2) as the ammonia nitrogen of the receiving of anaerobic ammonium oxidation reative cell 15 and the rise of nitrite nitrogen concentration, anaerobic ammonia oxidizing bacteria produce Nitrate also become big, now by Anammox reative cell refluxing opening 11 and Anammox coupling denitrification reative cell It is anti-that the muddy water of Anammox reative cell by peristaltic pump is passed into Anammox coupling denitrification by refluxing opening 5 after being connected Answer in room 3, the muddy water flow of backflow determines according to Anammox coupling denitrification running situation；
3) muddy water of backflow is anaerobic state, after the simulation water inlet with water-locator 6 is relative flows, fully contact mixing, and root The measure situation of instrument 7 according to surveying and determination, adjustment reflux ratio control dissolved oxygen scope in 0.6~1.0mg/L；
4) run in a manner of continuous stream, so that waste water is effectively purified.
Operation principle：The muddy water to be flowed back from Anammox reative cell refluxing opening 11 is passed through Anammox coupling denitrification Reative cell refluxing opening 5 is arrived in Anammox coupling denitrification reative cell 3, and the slow plug-flow of muddy water rises, pending waste water The bottom of Anammox coupling denitrification reative cell 3 is evenly distributed on from water-locator, now the waste water in water-locator and backflow Muddy water collisional mixing is gradually increasing and degraded after the absorption of the anaerobic ammonia oxidizing bacteria in mud layer, denitrifying bacterium and ammonia oxidation bacteria, remaining Ammonia nitrogen and nitrite nitrogen and bottom caused by nitrogen be gradually increasing, now gas carry granule sludge together rise under warp Packing layer 4 and underlying band hole netted baffle plate 14, floating granule sludge are trapped within the reaction of bottom Anammox coupling denitrification Room, waste water and caused nitrogen enter Anammox reative cell 15, and the gas that mud layer is raised is stirred continuously mixing, waste water Further purified treatment is obtained in Anammox reative cell 15, gas continuously rises to Anammox reative cell and returned The baffle plate 16 being inclined by during head piece 11 changes gas flow, and gas do not occur in refluxing opening emerges in large numbers as expanded granular now is dirty Mud bed can prevent the loss of sludge due to upper packing layer 12 and epipelagic zone hole netted baffle plate 17, and the gas of rising escapes from blast pipe 9 Go out, granule sludge is then trapped under packing layer 12, and the sewage after processing passes through the outflow reactor of drainpipe 13, muddy water (part The granule sludge of floating and caused nitrate nitrogen) it is connected by Anammox reative cell refluxing opening 11 with the pipeline of refluxing opening 5 Together it is passed through in underlying reaction chamber 3, is handled with this recycling waste water.

Claims (8)

  1. A kind of 1. integral two-part Anammox coupling denitrification removal of carbon and nitrogen device, it is characterised in that：It is included by anaerobism The Anammox coupling denitrification denitrogenation that ammoxidation coupling denitrification reative cell (3) and Anammox reative cell (15) are formed Except carbon staving (1)；It is anti-that described Anammox coupling denitrification reative cell (3) bottom is provided with Anammox coupling denitrification Room refluxing opening (5), mud discharging mouth (2) are answered, lower packing layer (4) is provided with the top of Anammox coupling denitrification reative cell (3), it is described Anammox coupling denitrification reative cell (3) survey wall be provided with measurement pH and DO analyzer (7) and water-locator (6), anaerobism Ammoxidation coupling denitrification reative cell (3) is provided with lower sample tap (8)；Described Anammox reative cell (15) bottom is provided with Mud inlet (9), Anammox reative cell (15) middle part are provided with upper sample tap (10), Anammox reative cell refluxing opening (11) anti-return cutout baffle plate (16), is provided tiltedly with the inner wall of barrel of upper sample tap (10) bottom, Anammox is anti- Room (15) top is answered to be provided with upper packing layer (12), the top of Anammox reative cell (15) is provided with gas and water discharge cover, gas and water Discharge cover is provided with blast pipe (18) and drainpipe (13), is provided between gas and water discharge cover and Anammox reative cell (15) Epipelagic zone hole netted baffle plate (17), between Anammox coupling denitrification reative cell (3) and Anammox reative cell (15) Provided with underlying band hole netted baffle plate (14), described Anammox reative cell refluxing opening (11) couples anti-nitre with Anammox Change reative cell refluxing opening (5) pipeline to be connected, the muddy water of Anammox reative cell refluxing opening (14) outflow conveys through peristaltic pump Enter Anammox coupling denitrification reative cell (3).
  2. 2. Anammox coupling denitrification removal of carbon and nitrogen device according to claim 1, it is characterised in that：Described detests Anaerobic ammonium oxidation coupling denitrification reative cell (3) ratio of height to diameter is 2~5, and Anammox reative cell (15) ratio of height to diameter is 6~10.
  3. 3. Anammox coupling denitrification removal of carbon and nitrogen device according to claim 1, it is characterised in that：Described is upper Lower packing layer volume accounts for the 20%~30% of chamber volume.
  4. 4. Anammox coupling denitrification removal of carbon and nitrogen device according to claim 1, it is characterised in that：Described gear Plate (16) semicircular in shape, baffle plate diameter is with upper strata reative cell diameter than 0.4~0.6, and baffle plate (16) is from Anammox reative cell The distance of refluxing opening (11) is 5cm, and baffle plate is vertical with inwall into 60 °.
  5. 5. Anammox coupling denitrification removal of carbon and nitrogen device according to claim 1, it is characterised in that：Described detests Anaerobic ammonium oxidation coupling denitrification reative cell refluxing opening (5) and water-locator (6), vertically opposite stream, both 3~5cm of distance.
  6. A kind of 6. control of the integral two-part Anammox coupling denitrification removal of carbon and nitrogen device described in usage right requirement 1 Operation method, it is characterised in that：It is rapid including Walk Xia such as：
    A, culture domestication Anammox coupling denitrification reative cell flora
    1) with the anaerobism ammonia oxygen granule sludge of laboratory stable operation more than 1 year and from the Aerobic Pond in municipal sewage field, anoxic Pond takes mud totally three kinds of seed sludge culture domestications, according to sludge concentration anaerobic ammonium oxidation granular sludge：Aerobic mud：Anoxic mud (2: 1：1) domestication is well mixed, the 30%~40% of chamber volume where mixing mud layer volume accounts for；
    2) simulation sewage mainly has ammonia nitrogen (NH during culture domestication4Cl), concentration is in 160~360mg/L；Nitrite nitrogen (NaNO2) concentration is in 80~180mg/L；Anaerobic ammonia oxidizing bacteria is ammonia nitrogen using matrix theoretical stoichiometric ratio：Nitrite nitrogen is 1:1.32, it is ammonia nitrogen to control actual stoichiometric proportion：Nitrite nitrogen is 1:0.5~0.8, organic carbon source uses sucrose in water inlet, Glucose, anaerobic digestion solution mixed carbon source, organic carbon source concentration control range pass through analyzer (7) and determined in 50~100mg/L Reactor situation, nitrogen aeration deoxygenation, maintaining dissolved oxygen concentration, simulated wastewater pH is not adjusted, in high concentration in 0.6~1mg/L Under ammonia nitrogen, low dissolved oxygen, when pH is more than 7.8, nitrobacteria can be comparatively fast eliminated out；
    3) with KHCO3For inorganic carbon source, KHCO3Concentration be 1.8~2g/L, KH2PO4PH is adjusted as buffer, pH scopes exist 7.1~7.8, from the water outlet ammonia nitrogen removal frank that lower sample tap (8) measures 80%~85%, organic carbon source clearance is stable to exist 90% and more than, when water outlet nitrite nitrogen concentration is unstable domestication terminate.
    B, Anammox reative cell
    1) ripe anaerobic ammonium oxidation granular sludge is passed through to Anammox reative cell (15) from mud inlet (9), make mud layer body The 30%~40% of chamber volume where product accounts for；
    2) as the ammonia nitrogen of Anammox reative cell (15) receiving and the rise of nitrite nitrogen concentration, anaerobic ammonia oxidizing bacteria produce Nitrate also become big, now Anammox reative cell refluxing opening (11) and Anammox coupling denitrification are reacted The muddy water of Anammox reative cell is passed into Anammox by peristaltic pump after being connected and couples anti-nitre by room refluxing opening (5) Change in reative cell (3)；
    3) muddy water of backflow is anaerobic state, after the simulation water inlet with water-locator (6) is relative flows, fully contact mixing, according to The measure situation of analyzer (7), adjustment reflux ratio control dissolved oxygen scope in 0.6~1.0mg/L；
    4) run in a manner of continuous stream, so that waste water is efficiently purified.
  7. 7. the control operation of integral two-part Anammox coupling denitrification removal of carbon and nitrogen device according to claim 6 Method, it is characterised in that：The particle diameter of the anaerobic ammonium oxidation granular sludge that maturation is passed through from mud inlet (9) is in below 0.6mm Or floc sludge.
  8. 8. the control operation of integral two-part Anammox coupling denitrification removal of carbon and nitrogen device according to claim 6 Method, it is characterised in that：The muddy water is passed into the muddy water flow root of backflow in Anammox coupling denitrification reative cell (3) Determined according to Anammox coupling denitrification running situation.
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CN110615525B (en) * 2018-06-20 2022-07-12 中国石油化工股份有限公司 Method for enriching anaerobic ammonium oxidation bacteria and application
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CN110510743B (en) * 2019-09-26 2024-03-15 西安建筑科技大学 One-step denitrification device and method based on ferric salt circulation
CN110980948A (en) * 2019-12-14 2020-04-10 浙江永续环境工程有限公司 Facultative oxygen type flowing biological bed reactor
CN110980948B (en) * 2019-12-14 2022-02-18 浙江永续环境工程有限公司 Facultative oxygen type flowing biological bed reactor
CN111115822A (en) * 2020-01-20 2020-05-08 青岛思普润水处理股份有限公司 PN/A integrated autotrophic nitrogen removal system based on MBBR and quick starting method
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