CN108373203A - Autotrophic denitrification membrane bioreactor - Google Patents
Autotrophic denitrification membrane bioreactor Download PDFInfo
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- CN108373203A CN108373203A CN201810418953.8A CN201810418953A CN108373203A CN 108373203 A CN108373203 A CN 108373203A CN 201810418953 A CN201810418953 A CN 201810418953A CN 108373203 A CN108373203 A CN 108373203A
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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
- C02F3/30—Aerobic and anaerobic processes
- C02F3/301—Aerobic and anaerobic treatment in the same reactor
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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
- C02F3/30—Aerobic and anaerobic processes
- C02F3/302—Nitrification and denitrification treatment
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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
- C02F3/30—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
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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
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
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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
- C02F9/00—Multistage treatment of water, waste water or sewage
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
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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
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
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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
- 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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- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
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- Biodiversity & Conservation Biology (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The present invention provides a kind of autotrophic denitrification membrane bioreactor, the membrane bioreactor main body is cylindrical structure, be divided into partial nitrification area, transition region, Anammox area, media filtration area, film process area by function, including comb outside inner cylinder, outer cylinder, water inlet pipe, water distribution disk, aeration disk, disk sieve plate, annulus sieve plate, filler support hole plate, filtrate support Circular Plate, membrane module, aeration residual air, gas discharging pipe, from return duct, aerobic sludge pipe, transition region sludge pipe, anaerobism sludge pipe.The membrane bioreactor of the present invention has a good denitrification efficiency, water outlet can direct reuse, and reactor performance efficient stable has the following advantages：1) volumetric loading is high, treatment effeciency is high, can direct reuse after disinfection of effluent.2) adverse effect of the aeration process to anaerobic ammonia oxidation microbiological is avoided.3) the autonomous allotment in biological function area is realized.4) investment reduction operating cost.5) convenient operation and management, it is easy to accomplish automatically control.
Description
Technical field
The present invention relates to a kind of microorganism, film Combined Treatment nitrogenous effluents, belong to sewage water denitrification biological treatment field, especially
It is related to a kind of autotrophic denitrification membrane bioreactor.
Background technology
Ammonia nitrogen waste water is mainly derived from chemical fertilizer, coking, petrochemical industry, pharmacy, food, refuse landfill etc., a large amount of ammonia nitrogen waste waters
It is discharged into water body not only to cause lake eutrophication, marine red tide, cause black and odorous water, causes great harm to environment, can also
Toxic action is generated to crowd and biology.In Industrial Wastewater Treatment and reuse project, ammonia nitrogen can cause microorganism in equipment
It breeds and forms biofouling, block pipeline and water equipment.How the nitrate pollution effectively administered in water body is always environment neck
The heat subject in domain.
A series of biological denitrification process are had developed based on Microbial denitrogenation mechanism, such as short-cut nitrification and denitrification technique, synchronization
Nitration denitrification technique and partial nitrification-Anammox process integration etc..Which part nitrosation-anaerobic ammoxidation technique
For whole process autotrophic biological denitrification process, the technique have without it is additional add organic carbon source, save aeration quantity, energy consumption it is few,
The advantages such as operating cost is low, are a kind of Approach of Removal of Nitrogen efficiently, economic, which just causes researcher and environmental protection once coming out
The extensive concern of engineering staff.
Bioreactor is the core equipment for realizing part nitrosation-anaerobic ammoxidation technique, and bioreactor configuration is set
Meter is high to partial nitrification, Anammox function section reasonable disposition, the maximization of each functional flora potential, functional microorganism
Biomass acquisition, denitrification efficiency raising etc. are most important.Partial nitrification-the anaerobic ammonia oxidation bioreactor applied at present
It has the following disadvantages：1. aeration process can inhibit anaerobic ammonia oxidation microbiological active, to influence bioreactor entirety denitrogenation
Ability；2. partial nitrification coexists in same physical space with Anammox functional flora need to strictly control process operation parameter
And performance stability is poor；3. partial nitrification functional areas, Anammox functional areas artificial settings physical boundaries cause each work(
Energy flora potential cannot achieve maximization；4. additional refluxing unit is needed to realize basicity reuse balance, increase processing cost and technique
Energy consumption；5. functional flora is lost in, functional microorganism biomass can not further increase.
Invention content
It is insufficient existing for existing partial nitrification-anaerobic ammonia oxidation bioreactor the purpose of the present invention is overcoming, it provides
A kind of autotrophic denitrification membrane bioreactor.Membrane bioreactor is divided into partial nitrification area, transition region, anaerobism ammonia oxygen by the present invention
Change area, media filtration area, film process area.Partial nitrification functional areas and Anammox function can be realized by the way that transition region is arranged
The autonomous allotment of physical space between area can also avoid aeration process unfavorable shadow active to Anammox function bacterium completely
It rings；Segregated portion nitrosation area, Anammox area physical space can be such that each functional response independently carries out, and condition controllability is strong；
It can optimize partial nitrification area fluidised form by using the incorgruous cross-current flow of upper water distribution, lower aeration, and improve the mass transfer effect of oxygen
Fruit is to be further reduced aeration quantity；It can by the setting of filler built in media filtration area, film process area and partial nitrification area
Sludge loss is reduced, functional microorganism biomass is improved；Effluent quality is remarkably improved using membrane separation technique；Certainly using gravity
Drop is acted on being formed in sewage with gas lift and be recycled, and realizes reflux certainly and the balance of basicity, reduction is invested and operating cost.Experiment
Prove, the autotrophic denitrification membrane bioreactor developed accordingly has a good denitrification efficiency, water outlet can direct reuse, and reactor
Performance efficiency is stablized.
In order to solve the above technical problems, the present invention is achieved by the following scheme：
Autotrophic denitrification membrane bioreactor of the present invention is cylindrical structure, is composed of inner cylinder, outer cylinder,
Can be made by steel plate or organic glass, can be sewage water denitrification biological treatment integrated apparatus or pin-connected panel module monomer with
Other different treatment process constitute compound treatment facility.Autotrophic denitrification membrane bioreactor include bioreactor main body,
Water inlet pipe, water distribution disk, aeration disk, disk sieve plate, annulus sieve plate, filler support hole plate, filtrate support Circular Plate, film group
Part, the outer comb of aeration residual air, gas discharging pipe, from return duct, aerobic sludge pipe, transition region sludge pipe, anaerobism sludge pipe.Autotrophy
Denitrogenation membrane bioreactor main body by function can be divided into partial nitrification area, transition region, Anammox area, media filtration area,
Film process area.
The partial nitrification area is built-in with semi-soft fiber filler beam or fluidisation bed fillers, is inoculated with short distance nitration wadding
Body sludge, interior includes water distribution disk, from return duct, aeration disk, and water distribution disk connects water inlet pipe, and reaction zone bottom is equipped with
Oxygen sludge pipe, top are equipped with the outer comb of aeration residual air.Partial nitrification area is isolated by bottom disc sieve plate with transition region, but
It is connected by circular hole on disk sieve plate；It is isolated by inner cylinder and Anammox area, but by from return duct and anaerobism
Ammoxidation area communicates.
The transition region, which is built-in with, fluidizes bed fillers K1, and filler K1 is located on filler support hole plate.Transition region is logical
It crosses disk sieve plate to be isolated with partial nitrification area, but is connected by circular hole on disk sieve plate；Pass through annulus sieve plate and anaerobism
Ammoxidation area is isolated, but is connected by circular hole on annulus sieve plate.Transition region bottom is equipped with transition region sludge pipe.
The Anammox area is coated at partial nitrification area and transition region, is inoculated with anaerobic ammonium oxidation granular dirt
Mud.Itself and partial nitrification area, transition region, media filtration area physical separation, but by from return duct and partial nitrification area phase
It is logical, it is communicated with transition region by circular hole on annulus sieve plate, is communicated with media filtration area by circular hole in filtrate support Circular Plate.Detest
Anaerobic ammonium oxidation area bottom connects anaerobism sludge pipe.
The media filtration area is located at partial nitrification area, Anammox area top；Upper part is film process area.Filter
Material filtering area is built-in with fiber-ball filter media.Media filtration area and partial nitrification area are completely isolated；It is separated by with Anammox area
From, but communicated by circular hole in filtrate support Circular Plate；It is communicated completely with film process area.
The film process area is located at media filtration area top, is communicated completely with media filtration area.Film process area is built-in with
Membrane module, membrane module are placed in the surface of filtrate support Circular Plate.
Wherein, the bioreactor main body blade diameter length ratio is 1:(2~4).
Wherein, the partial nitrification area, transition region are located at the upper and lower part of inner cylinder, highly than for (4~6):1.
The blade diameter length ratio in nitrosation reaction area is 1:(2~4).
Wherein, the Anammox area is located in the ring cavity of inner cylinder, outer cylinder composition, outer cylinder, inner cylinder internal diameter
Than for (1.4~1.7):1.Anammox area height is equal to inner cylinder height.
Wherein, the Anammox area, media filtration area, film process area height ratio are 8:1:1.
Wherein, the disk sieve plate, annulus sieve plate, filtrate support Circular Plate, filler support hole packing free ratio be 0.4~
0.6。
Wherein, it is described from return duct quantity be 4~8, internal diameter be 2~8cm, be uniformly distributed in inner cylinder inner wall.From return
Flow tube bottom bend pipe is respectively positioned on above aeration disk, and bend pipe outer edge is 5~10cm, bend pipe bottom and aeration with inner cylinder distance
Disk vertical range is 3~5cm.
Wherein, semi-soft fiber filler beam is filled in the partial nitrification area or fluid bed packing volume accounts for part Asia
The 25%~45% of nitrification zone volume；Transition region filling fluidized packing material K1 volumes account for the 100% of transition region volume.
Beneficial effects of the present invention are as follows：
1) reactor volume load is high, treatment effeciency is high, can direct reuse after disinfection of effluent.Partial nitrification area filler pair
The attachment of biology makes the sludge concentration in autotrophic denitrification membrane bioreactor be higher by 2~6 times or so than traditional bioreactor, greatly
Improve bioreactor denitrification ability greatly；Membrane module efficiently separate effect can make water outlet SS and turbidity close to zero, sludge
Loss it is almost nil；Effluent quality is good, can direct reuse after sterilized.
2) adverse effect of the aeration process to anaerobic ammonia oxidation microbiological is avoided.The setting of transition region can be in partial nitrification
Form buffer zone between area and Anammox area, after short distance nitration can there is remaining oxygen by microorganism in transition region in sewage
Effect utilizes, and is aerated residual gas and needs not move through the directly outer row in Anammox area, and aeration process is completely eliminated to anaerobism ammonia
The adverse effect of oxidative function bacterial activity, to maintain reactor entirety efficient stable to run.
3) the autonomous allotment in biological function area is realized.Transition region can be by independently allocating its biological function exercised, can be
Short distance nitration, Anammox are independently switched, between self adjustment member nitrosation functional areas, Anammox functional areas
Proportioning, quickly and effectively responds the variation of reactor operating parameter and environmental factor, from main regulation reasonable distribution.
4) investment reduction operating cost.The gravity that water can be handled in Anammox from the design of return duct drops certainly and aeration
Self-loopa inside sewage is formed under the promotion force effect that the rising of process bubble generates, anaerobic ammonium oxidation process can be made to generate basicity certainly
It is back to partial nitrification area supply short distance nitration reaction, can be realized without being additionally provided basicity substance and additional refluxing unit
Basicity from reuse；The mass transfer effect of oxygen can be improved thus into one in the incorgruous cross-current flow being aerated using top water distribution, lower part
Step reduces aeration quantity；Membrane module is located at right over Anammox area, and the nitrogen of generation can be made full use of to realize to membrane surface flushing,
And the setting in media filtration area can also reduce the content of suspended matter in sewage, reduce the cleaning frequency of membrane module, extend membrane module
Service life.
5) convenient operation and management, it is easy to accomplish automatically control.Partial nitrification area, Anammox area physical separation can
Keep each response function unit independent operating, condition controllability strong；UF membrane can make hydraulic detention time in bioreactor and
Sludge retention time is kept completely separate, can flexibly, stability contorting, it is easy to accomplish automatically control, improve Sewage Biological Treatment from
Dynamicization is horizontal.
A series of concept of reduced forms is introduced in Summary, this will in the detailed description section into
One step is described in detail.The key that this part of the disclosure is not meant to attempt to limit technical solution claimed is special
It seeks peace essential features, does not mean that the protection domain for attempting to determine technical solution claimed more.
Below in conjunction with attached drawing, the advantages of the present invention will be described in detail and feature.
Description of the drawings
Present invention will be further explained below with reference to the attached drawings and examples, in attached drawing：
Fig. 1 is autotrophic denitrification membrane bioreactor schematic diagram
Wherein, 1, bioreactor main body；2, partial nitrification area；3, transition region；4, Anammox area；5, filtrate mistake
Filter area；6, film process area；7, water inlet pipe；8, water distribution disk；9, it is aerated disk；10, aerobic sludge pipe；11, transition region sludge pipe；
12, anaerobism sludge pipe 13, disk sieve plate；14, annulus sieve plate；15, filtrate support Circular Plate；16, inner cylinder；17, outer cylinder；
18, from return duct；19, membrane module；20, the outer comb of aeration residual air；21, gas discharging pipe；22, filler support hole plate.
Specific implementation mode
In the following description, a large amount of concrete details are given in order to provide more thorough understanding of the invention.So
And it will be apparent to one skilled in the art that the present invention may not need one or more of these details and be able to
Implement.In other examples, in order to avoid with the present invention obscure, for some technical characteristics well known in the art not into
Row description.
In order to thoroughly understand the present invention, detailed structure will be proposed in following description.Obviously, execution of the invention is simultaneously
It is not limited to the specific details that those skilled in the art is familiar with.Presently preferred embodiments of the present invention is described in detail as follows, however
Other than these detailed descriptions, the present invention can also have other embodiment.
The embodiment of the present invention is described in detail below in conjunction with attached drawing.
As shown in Figure 1, autotrophic denitrification membrane bioreactor is cylindrical structure, by inner cylinder 16, the combination of outer cylinder 17
At can be made by steel plate or organic glass, can be sewage water denitrification biological treatment integrated apparatus or pin-connected panel module monomer
The treatment process different from other constitutes compound treatment facility.Autotrophic denitrification membrane bioreactor includes bioreactor main body
1, water inlet pipe 7, water distribution disk 8, aeration disk 9, disk sieve plate 13, annulus sieve plate 14, filler support hole plate 22, filtrate support
Circular Plate 15, filler support hole plate 22, membrane module 19, the outer comb 20 of aeration residual air, gas discharging pipe 21, from return duct 18,
Aerobic sludge pipe 10, transition region sludge pipe 11, anaerobism sludge pipe 12.Autotrophic denitrification membrane bioreactor main body can be divided by function
Partial nitrification area 2, transition region 3, Anammox area 4, media filtration area 5, film process area 6.
The partial nitrification area 2 is built-in with semi-soft fiber filler beam or fluidisation bed fillers, is inoculated with short distance nitration
Floc sludge, interior includes water distribution disk 8, from return duct 18, aeration disk 9, and water distribution disk 8 connects water inlet pipe 7, reaction zone bottom
Portion is equipped with aerobic sludge pipe 10, and top is equipped with comb 20 outside aeration residual air.Partial nitrification area 2 by bottom disc sieve plate 13 with
Transition region 3 is isolated, but is connected by circular hole on disk sieve plate 13；It is isolated by inner cylinder 16 and Anammox area 4,
But by being communicated from return duct 18 with Anammox area 4.
The transition region 3, which is built-in with, fluidizes bed fillers K1, and filler K1 is located on filler support hole plate 22.It passes through
Disk sieve plate 13 is isolated with partial nitrification area 2, but is connected by circular hole on disk sieve plate 13；By annulus sieve plate 14 with
Anammox area 4 is isolated, but is connected by circular hole on annulus sieve plate 14.Transition region 3 is equipped with transition region sludge pipe 11.
The Anammox area 4 is coated at partial nitrification area 2 and transition region 3, is inoculated with anaerobic ammonium oxidation granular
Sludge.Itself and partial nitrification area 2, transition region 3,5 physical separation of media filtration area, but by from return duct 18 and part nitrous
Change area 2 to communicate, is communicated with transition region 3 by circular hole on annulus sieve plate 14, pass through circular hole and filtrate in filtrate support Circular Plate 15
Filtering area 5 communicates.4 bottom of Anammox reaction zone is equipped with anaerobism sludge pipe 12.
The media filtration area 5 is located at partial nitrification area 2,4 top of Anammox area, and upper part is film process area
6, it is built-in with fiber-ball filter media.It is completely isolated with partial nitrification area 2；It is isolated with Anammox area 4, but passes through filtrate
Circular hole communicates in support Circular Plate 15；It is communicated completely with film process area 6.
The film process area 6 is located at 5 top of media filtration area, is communicated completely with media filtration area 5, is built-in with membrane module
19, membrane module 19 places the surface with filtrate support Circular Plate 15.
Wherein, 1 blade diameter length ratio of bioreactor main body is 1：(2~4).The partial nitrification area 2, transition region 3 are divided
Not Wei Yu inner cylinder 16 upper and lower part, highly than for (4~6):1.The blade diameter length ratio in nitrosation area 2 is 1:(2~4).The anaerobism
Ammoxidation area 4 be located at inner cylinder 16, outer cylinder 17 form ring cavity in, outer cylinder 17,16 internal diameter ratio of inner cylinder be (1.4~
1.7):1.4 height of Anammox area is equal to 16 height of inner cylinder.The Anammox area 4, media filtration area 5, film process
It is 8 that 6 height of area, which compares,:1:1.The disk sieve plate 13, annulus sieve plate 14, filtrate support Circular Plate 15, filler support hole plate 22
Percent opening is 0.4~0.6.It is described from 18 quantity of return duct be 4~8, internal diameter be 2~8cm, be uniformly distributed in inner cylinder 16
Wall.It is respectively positioned on above aeration disk 9 from 18 bottom bend pipe of return duct, bend pipe outer edge and inner cylinder 16 are curved apart from for 5~10cm
Bottom of the tube is 3~5cm with aeration 9 vertical range of disk.In the partial nitrification area 2 the semi-soft fiber filler beam of filling or
Fluid bed packing volume accounts for the 25%~45% of 2 volume of partial nitrification area；Transition region 3 fills fluidized packing material K1 volumes and accounts for transition
The 100% of 3 volume of area.
The autotrophic denitrification membrane bioreactor course of work of the present invention is as follows：Ammonia nitrogen waste water passes through water distribution disk 8 through water inlet pipe 7
Water distribution uniformity moves from top to bottom under the effect of gravity to the partial nitrification area 2 of autotrophic denitrification membrane bioreactor main body 1；
The micro-bubble that aeration 9 cutting gas of disk of external air blower generates moves from bottom to top, and bubble, which rises, generates lifting force band
It is dynamic flow automatically from return duct 18 and enter through Anammox reaction zone 4, treated that partial reflux water flows up, with water inlet
Incorgruous cross-flow passes are formed, gas-liquid-solid three-phase contact frequency is increased, mass transfer effect is improved, is sufficiently mixed under the agitation of bubble,
Waste water part ammonia nitrogen in partial nitrification area 2 is converted into nitrite under nitrosation microbial action；It is aerated residual gas
It is expelled directly out by being aerated comb 20 outside residual air.It is equal by circular hole on disk sieve plate 13 through 2 processed waste water of partial nitrification area
Even distribution enters transition region 3, and oxygen concentration is reduced in transition region 3 in waste water, and it is anti-that partial nitrification occurs for this reaction zone
It answers or Anammox reacts or two kinds of reactions coexist.It is uniform by circular hole on annulus sieve plate 14 through 3 processed waste water of transition region
Distribution enters Anammox area 4, under anaerobic ammonium oxidation granular sludge effect, nitrous acid caused by partial nitrification area 2
Salt is reacted with remaining ammonia nitrogen in waste water generates nitrogen, and nitrogen can be straight through the circular hole of filtrate support Circular Plate 15, media filtration area 5
The membrane module 19 that air-brush is located at right over filtrate support Circular Plate 15 is connect, 19 film surface of membrane module pollution speed is slowed down；Part passes through
4 processed waste water of Anammox area is passed through under self gravitation effect and is directly back in partial nitrification area 2 from return duct 18,
Basicity is provided for nitrosation reaction.Continued by circular hole in filtrate support Circular Plate 15 through 4 processed waste water of Anammox area
Into media filtration area 5, which, which is equipped with fiber bundle media and can stop, stays anaerobic ammonium oxidation granular sludge, floc sludge, reduce into
Enter the SS contents in the waste water in film process area 6, pollutes speed to reduce film surface.Through 5 filtered waste water of media filtration area
Membrane separation zone 6 is finally entered, the outer row after the separation of membrane module 19.
Content described in this specification embodiment is only enumerating to the way of realization of inventive concept, protection of the invention
Range is not construed as being only limitted to the concrete form that embodiment is stated, protection scope of the present invention also includes art technology
Personnel according to present inventive concept it is conceivable that equivalent technologies mean.
Claims (10)
1. a kind of autotrophic denitrification membrane bioreactor, it is characterised in that：The membrane bioreactor main body is cylindrical structure, is pressed
Function is divided into partial nitrification area, transition region, Anammox area, media filtration area, film process area, including inner cylinder, outer circle
Cylinder, water inlet pipe, water distribution disk, aeration disk, disk sieve plate, annulus sieve plate, filler support hole plate, filtrate support Circular Plate,
Membrane module, the outer comb of aeration residual air, gas discharging pipe, from return duct, aerobic sludge pipe, transition region sludge pipe, anaerobism sludge pipe.
2. autotrophic denitrification membrane bioreactor according to claim 1, it is characterised in that：Built in the partial nitrification area
There are semi-soft fiber filler beam or fluidisation bed fillers, be inoculated with short distance nitration floc sludge, interior includes water distribution disk, certainly reflux
Pipe, aeration disk, water distribution disk connect water inlet pipe, and reaction zone bottom is equipped with aerobic sludge pipe, and top is equipped with outside aeration residual air and arranges
Pipe；Partial nitrification area is isolated by bottom disc sieve plate with transition region, but is connected by circular hole on disk sieve plate；Pass through
Inner cylinder is isolated with Anammox area, but by being communicated from return duct with Anammox area.
3. autotrophic denitrification membrane bioreactor according to claim 1, it is characterised in that：The transition region is built-in with fluidisation
Bed fillers, the fluidisation bed fillers are located on filler support hole plate；Transition region passes through disk sieve plate and partial nitrification area
It is isolated, but is connected by circular hole on disk sieve plate；It is isolated by annulus sieve plate and Anammox area, but passes through annulus
Circular hole is connected on sieve plate, and transition region bottom is equipped with transition region sludge pipe.
4. autotrophic denitrification membrane bioreactor according to claim 1, it is characterised in that：The Anammox area housing
In partial nitrification area and transition region, it is inoculated with anaerobic ammonium oxidation granular sludge, with partial nitrification area, transition region, filtrate
Filtering area physical separation, but by being communicated from return duct with partial nitrification area, pass through circular hole on annulus sieve plate and transition region phase
It is logical, it is communicated with media filtration area by circular hole in filtrate support Circular Plate, Anammox area bottom connects anaerobism sludge pipe.
5. autotrophic denitrification membrane bioreactor according to claim 1, it is characterised in that：The media filtration area is located at portion
Divide nitrosation area, Anammox area top；Upper part is film process area, and media filtration area is built-in with fiber-ball filter media, filtrate
Filtering area and partial nitrification area are completely isolated；It is isolated with Anammox area, but passes through circular hole in filtrate support Circular Plate
It communicates；It is communicated completely with film process area.
6. autotrophic denitrification membrane bioreactor according to claim 1, it is characterised in that：The film process area is located at filtrate
Filtering area top communicates completely with media filtration area, and film process area is built-in with membrane module, and membrane module is placed in filtrate support Circular Plate
Surface.
7. autotrophic denitrification membrane bioreactor according to claim 1, it is characterised in that：The bioreactor main body diameter is high
Than being 1:(2~4)；
Wherein, the partial nitrification area, transition region are located at the upper and lower part of inner cylinder, highly than for (4~6):1, nitrous
The blade diameter length ratio for changing reaction zone is 1:(2~4)；
Wherein, the Anammox area is located in the ring cavity of inner cylinder, outer cylinder composition, and outer cylinder, inner cylinder internal diameter ratio are
(1.4~1.7):1, Anammox area height is equal to inner cylinder height.
8. autotrophic denitrification membrane bioreactor according to claim 1, it is characterised in that：The Anammox area, filtrate
Filtering area, film process area height ratio are 8:1:1.
9. autotrophic denitrification membrane bioreactor according to claim 1, it is characterised in that：The disk sieve plate, annulus sieve plate,
Filtrate support Circular Plate, filler support hole packing free ratio are 0.4~0.6；
It is described from return duct quantity be 4~8, internal diameter be 2~8cm, be uniformly distributed in inner cylinder inner wall, from flow back bottom of the tube set
It sets bend pipe and is respectively positioned on above aeration disk, bend pipe outer edge is 5~10cm, bend pipe bottom and aeration disk with inner cylinder distance
Vertical range is 3~5cm.
10. autotrophic denitrification membrane bioreactor according to claim 2, it is characterised in that：In the partial nitrification area
The semi-soft fiber filler beam or fluid bed packing volume of filling account for the 25%~45% of partial nitrification area volume；The transition
The fluid bed packing volume of area's filling accounts for the 100% of transition region volume.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810418953.8A CN108373203A (en) | 2018-05-04 | 2018-05-04 | Autotrophic denitrification membrane bioreactor |
Applications Claiming Priority (1)
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| CN109020069A (en) * | 2018-08-23 | 2018-12-18 | 浙江开创环保科技股份有限公司 | A kind of integrated sewage treating apparatus and method |
| CN109231493A (en) * | 2018-10-26 | 2019-01-18 | 浙江海洋大学 | A kind of low C/N high ammonia-nitrogen wastewater processing unit |
| CN110713256A (en) * | 2019-10-14 | 2020-01-21 | 上海理工大学 | Biological pipe culvert reaction unit |
| CN111115821A (en) * | 2020-01-20 | 2020-05-08 | 青岛思普润水处理股份有限公司 | MBBR-based autotrophic nitrogen removal integrated system and quick starting method |
| CN112036094A (en) * | 2020-08-31 | 2020-12-04 | 大连海事大学 | CFD technology-based integrated ship domestic sewage membrane biological treatment device optimization method and system and storage medium |
| CN114477437A (en) * | 2022-01-29 | 2022-05-13 | 中国科学院生态环境研究中心 | Method and device for self-regulating and controlling dissolved oxygen in inflow water of anaerobic ammonia oxidation reactor |
| CN115974305A (en) * | 2022-12-09 | 2023-04-18 | 山东中欧膜技术研究有限公司 | Integrated membrane method water treatment system and treatment method |
| CN116514287A (en) * | 2023-07-03 | 2023-08-01 | 成都理工大学 | Nitrate wastewater domestic sewage synchronous treatment device, system and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109020069A (en) * | 2018-08-23 | 2018-12-18 | 浙江开创环保科技股份有限公司 | A kind of integrated sewage treating apparatus and method |
| CN109231493A (en) * | 2018-10-26 | 2019-01-18 | 浙江海洋大学 | A kind of low C/N high ammonia-nitrogen wastewater processing unit |
| CN110713256A (en) * | 2019-10-14 | 2020-01-21 | 上海理工大学 | Biological pipe culvert reaction unit |
| CN111115821A (en) * | 2020-01-20 | 2020-05-08 | 青岛思普润水处理股份有限公司 | MBBR-based autotrophic nitrogen removal integrated system and quick starting method |
| CN111115821B (en) * | 2020-01-20 | 2023-08-25 | 青岛思普润水处理股份有限公司 | Autotrophic nitrogen removal integrated system based on MBBR and quick starting method |
| CN112036094A (en) * | 2020-08-31 | 2020-12-04 | 大连海事大学 | CFD technology-based integrated ship domestic sewage membrane biological treatment device optimization method and system and storage medium |
| CN114477437A (en) * | 2022-01-29 | 2022-05-13 | 中国科学院生态环境研究中心 | Method and device for self-regulating and controlling dissolved oxygen in inflow water of anaerobic ammonia oxidation reactor |
| CN115974305A (en) * | 2022-12-09 | 2023-04-18 | 山东中欧膜技术研究有限公司 | Integrated membrane method water treatment system and treatment method |
| CN115974305B (en) * | 2022-12-09 | 2023-09-12 | 山东中欧膜技术研究有限公司 | Integrated membrane method water treatment system and treatment method |
| CN116514287A (en) * | 2023-07-03 | 2023-08-01 | 成都理工大学 | Nitrate wastewater domestic sewage synchronous treatment device, system and method |
| CN116514287B (en) * | 2023-07-03 | 2023-09-08 | 成都理工大学 | Nitrate wastewater domestic sewage synchronous treatment device, system and method |
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