CN107324620A - A kind of diphasic anaerobic sewage disposal system - Google Patents
A kind of diphasic anaerobic sewage disposal system Download PDFInfo
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- CN107324620A CN107324620A CN201710796031.6A CN201710796031A CN107324620A CN 107324620 A CN107324620 A CN 107324620A CN 201710796031 A CN201710796031 A CN 201710796031A CN 107324620 A CN107324620 A CN 107324620A
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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
- C02F1/44—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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
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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
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/02—Temperature
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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
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/06—Controlling or monitoring parameters in water treatment pH
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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
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/22—O2
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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
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/38—Gas flow rate
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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
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/40—Liquid flow rate
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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
- C02F2301/04—Flow arrangements
- C02F2301/046—Recirculation with an external loop
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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
- C02F2303/00—Specific treatment goals
- C02F2303/10—Energy recovery
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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
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
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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
- C02F3/2806—Anaerobic processes using solid supports for microorganisms
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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
- C02F3/2833—Anaerobic digestion processes using fluidized bed reactors
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/28—Anaerobic digestion processes
- C02F3/2866—Particular arrangements for anaerobic reactors
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
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Abstract
The invention discloses a kind of diphasic anaerobic sewage disposal system, the system is included：Anaerobic fluidized bed reaction zone, sludge settling area and the membrane separation zone set gradually from bottom to top.It is interconnected between anaerobic fluidized bed reaction zone, sludge settling area and membrane separation zone.Anaerobic fluidized bed reaction zone is included：Chan Suan phase reactions area, intermediate regulations phase reaction area and the methanogenic phase reaction zone connected side by side successively, and temperature regulating device, it is used for the temperature for controlling each phase reaction area.Contain in each phase reaction area：The carrier granular of anaerobe.The dominant bacteria in Chan Suan phase reactions area is acid-producing bacteria, and the dominant bacteria of methanogenic phase reaction zone is methanogen.The sewage disposal system of the present invention can utilize microbial action the characteristics of different phase and strain advantage improves the methane production of sewage treating efficiency, and can also monitor the durability and pollution level of rotation membrane module.
Description
Technical field
The present invention relates to a kind of sewage disposal system, and in particular to a kind of diphasic anaerobic sewage disposal system.
Background technology
Through research hair, contain huge energy in existing sewage, obtain countries in the world extensive concern.No matter industry or life
Detachable collar domain sewage yield increasingly increases.Traditional wastewater treatment technology can not reclaim the wherein energy, and high energy consumption, and operation is unstable
Fixed, purification efficiency is low, and effluent quality is difficult to reach middle water quality standard.
Though efficient anaerobe technical finesse sewage can produce the clean energy resourcies such as biogas, strain advantage can not be played,
Improve methane production so that the energy contained in sewage can not be developed preferably.
Anaerobic membrane biosystem technology this year obtains the extensive concern of various countries to quickly grow, and it is by membrane technology and anaerobic organism skill
Art carries out coupling and displayed one's respective advantages, using active cross-flow, and biogas mode forms shearing force reduction fouling membrane on film surface
And energy consumption, the effectively catching through membrane separator makes microorganism be completely trapped in reactor, it is ensured that microorganism concn can be effective
Degrading microorganism etc., solves the defect of traditional reactor.
But, existing anaerobic membrane bioreactor（AnMBR）Ensure that while wastewater purification efficiency dirt can not be improved
Energy exploitation and application in water, certainly will cause the wasting of resources, and it is unable to reaction film pollution level in operation, and Membrane cleaning was operated
Journey is cumbersome.
The content of the invention
It is an object of the invention to provide a kind of diphasic anaerobic sewage disposal system, system solves the problem existing anaerobic membrane biosystem
Reactor is unable to reaction film pollution level, and the problem of can not improve energy exploitation and application in sewage, it can utilize micro- life
The characteristics of thing acts on different phase and strain advantage improve the methane production of sewage treating efficiency, and can also monitor rotation film
The durability and pollution level of component.
In order to achieve the above object, the invention provides a kind of diphasic anaerobic sewage disposal system, the system is included：Under
And on the anaerobic fluidized bed reaction zone, sludge settling area and the membrane separation zone that set gradually.Described anaerobic fluidized bed reaction zone, dirt
It is interconnected between mud decanting zone and membrane separation zone.
Wherein, described anaerobic fluidized bed reaction zone is included：The Chan Suan phase reactions area that connects side by side successively, intermediate regulations phase
Reaction zone and methanogenic phase reaction zone；And temperature regulating device, it is used for the temperature for controlling each phase reaction area.
Wherein, contain in described each phase reaction area：The carrier granular of anaerobe.
Wherein, the dominant bacteria in described Chan Suan phase reactions area is acid-producing bacteria；The dominant bacteria of described methanogenic phase reaction zone
For methanogen.
Wherein, it is provided with described each phase reaction area：Guide shell, it is used for sewage water conservancy diversion；Solid-liquid separator, its
It is arranged on described guide shell upper end, the separation for carrier granular and sewage；And water out before film, it is used to adjust each phase
The pH value and dissolved oxygen content of reaction zone.
Wherein, described membrane separation zone is included：Membrane module is rotated, it is arranged in described membrane separation zone, for by dirt
Mud and water separation；Film pressure table, it is used for the pressure change for monitoring described rotation membrane module；And power set, itself and institute
The rotation membrane module connection stated, and for rotating rotation membrane module.
Wherein, described rotation membrane module is that cross-current type rotates membrane module.
Described each phase reaction area is also provided with：PH instrument, it is used to detect Chan Suan phase reactions area, intermediate regulations phase reaction
Area and the pH value of methanogenic phase reaction zone；And dissolved oxygen meter, it is used to detect that Chan Suan phase reactions area, intermediate regulations are opposite
Answer the dissolved oxygen content of area and methanogenic phase reaction zone.
Wherein, described pH instrument and dissolved oxygen meter are arranged at before film on water out.
Described anaerobic fluidized bed reaction zone is also included：Phase passage, it is arranged on described Chan Suan phase reactions area and centre
Adjust between phase reaction area, intermediate regulations phase reaction area and methanogenic phase reaction zone, and for connecting two neighboring phase reaction area；
And display screen, it is electrically connected with described pH instrument and dissolved oxygen meter.
Wherein, described phase passage is made up of two pieces of division boards；Described division board is temperature sensors of high precision, or every
Temperature sensors of high precision is provided with from plate.
Described rotation membrane module is included：Membrane cavity, and some metal films being arranged in membrane cavity.On described metal film
Containing some apertures, the aperture of the aperture is less than or equal to 10 μm.Described power set are motor.
The side wall upper part of described methanogenic phase reaction zone is provided with：Rinse and close valve；Described Chan Suan phase reactions area
Bottom is provided with：Sewage inlet；The side wall in described sludge settling area is provided with：Wash liquid stream is exported；Described membrane separation zone
Side wall is provided with：Clear water output and biogas outlet.
The system also includes：The membrane pump between described sludge settling area and membrane separation zone is arranged on, for connecting
The sewage inlet and the first pipeline of membrane separation zone stated, the sewage storage tank being connected with described sewage inlet are described for connecting
Sewage inlet and sewage storage tank second pipe, the clear water holding vessel being connected with described clear water output is described for connecting
Clear water output and clear water holding vessel the 3rd pipeline, gas collecting apparatus be connected with described biogas outlet, and connecting
Described biogas outlet and the 4th pipeline of gas collecting apparatus.
The first described pipeline is provided with：First film suction pump, it is used to the water in membrane separation zone being back to anaerobism stream
Change bed reaction zone, and by the sewage transport in sewage storage tank to anaerobic fluidized bed reaction zone；First control valve, it is used to control
The open and close of membrane separation zone recirculation water；And first fluid flowmeter, it is used for the water-carrying capacity for measuring membrane separation zone backflow.
Described second pipe is provided with：Second control valve, it is used to control described sewage storage tank to convey sewage
Open and close, and second liquid flowmeter, it is used for the discharge of sewage for measuring sewage storage tank conveying.
Two branch pipe(tube)s that the 3rd described pipeline is connected by total pipeline and with total pipeline are constituted, the end of two branch pipe(tube)s
It is arranged in described clear water holding vessel, the end of total pipeline is connected with described clear water output；On the 4th described pipeline
It is provided with：Gas flowmeter for detecting gas yield.
It is respectively equipped with two branch pipe(tube)s of the 3rd described pipeline：Film suction pump, it is used for clear water extraction is described
Membrane separation zone is simultaneously stored to described clear water holding vessel；And Membrane cleaning pump, it is used for will be clear in described clear water holding vessel
Water is pumped into described membrane separation zone and described rotation membrane module is backwashed.
The diphasic anaerobic sewage disposal system of the present invention, fouling membrane can not be reacted by solving existing anaerobic membrane bioreactor
Degree, and the problem of energy exploitation and application in sewage can not be improved, with advantages below：
（1）The system of the present invention uses acid-producing bacteria and methanogen, and acid-producing bacteria provides conjunction by its vital movement for methanogen
Food into needed for cellular material and methane phase, acid-producing bacteria also removes noxious material for methanogen, and passes through intermediate regulations phase
Reaction zone is used as excessive regulation reaction zone so that methane backeria can be under the conditions of optimal growing environment through a series of biological works
With gas production is improved；
（2）The present invention system use film pressure table, its be shown in metal fouling membrane it is different degrees of under, the change of film cavity pressure
Change, thus show to rotate the durability and pollution level of membrane module；
（3）The system of the present invention rotates membrane module using cross-current type so that current can be produced in metallic film surface formation shearing force
Biogas through can be increased during membrane separation zone film surface formed shearing force, further reduce membrane fouling rate；
（4）The Membrane cleaning pump of the system of the present invention utilizes the clear water in clear water holding vessel to enter in the membrane cavity of rotation membrane module, right
Rotation membrane module is backwashed, simple to operate.
Brief description of the drawings
Fig. 1 is the structural representation of the diphasic anaerobic sewage disposal system of the present invention.
Fig. 2 is the structural representation of the diphasic anaerobic sewage disposal system of the embodiment of the present invention 1.
Embodiment
Technical scheme is described further below in conjunction with drawings and examples.
A kind of diphasic anaerobic sewage disposal system, as shown in figure 1, the knot of the diphasic anaerobic sewage disposal system for the present invention
Structure schematic diagram, the system includes：Anaerobic fluidized bed reaction zone 10, sludge settling area 20 and the UF membrane set gradually from bottom to top
Area 30.It is interconnected between anaerobic fluidized bed reaction zone 10, sludge settling area 20 and membrane separation zone 30.
Anaerobic fluidized bed reaction zone 10 is included：Chan Suan phase reactions area 11, the intermediate regulations phase reaction area connected side by side successively
12 and methanogenic phase reaction zone 13.In Chan Suan phase reactions area 11, intermediate regulations phase reaction area 12 and methanogenic phase reaction zone 13
Carrier granular containing anaerobe.Anaerobic fluidized bed reaction zone 10 decomposes water pollutant using anaerobe.
Dominant bacteria in Chan Suan phase reactions area 11 and methanogenic phase reaction zone 13 is respectively acid-producing bacteria and methanogen, in
Between regulation phase reaction area 12 be used as the production acid mutually excessive regulation reaction zone between methanogenic phase so that methane backeria can be optimal
Through a series of biological agents under the conditions of growing environment, gas production is improved.Acid-producing bacteria is provided by its vital movement for methanogen
Food needed for synthetic cell material and methane phase, acid-producing bacteria also removes noxious material for methanogen.The present invention utilizes micro- life
The characteristics of thing acts on different phase and strain advantage improve the methane production of sewage treating efficiency.
It is provided with above-mentioned Chan Suan phase reactions area 11, intermediate regulations phase reaction area 12 and methanogenic phase reaction zone 13：Lead
Flow cartridge 14, is arranged on the solid-liquid separator 15 of the upper end of guide shell 14, and for adjusting the pH value and dissolved oxygen in each phase reaction area
Water out 112 before the film of amount.
Water out 112 adjusts mouth as nutriment before above-mentioned film, adjusts the pH value and dissolved oxygen content in each phase reaction area.
Above-mentioned solid-liquid separator 15 is used to the mixed system containing sewage and carrier granular carrying out separation of solid and liquid.Carrier
Grain rises with sewage and flows through solid-liquid separator 15, and each phase reaction area bottom is finally deposited in along outside guide shell 14.
Anaerobic fluidized bed reaction zone 10 is also included：Be arranged on Chan Suan phase reactions area 11 and intermediate regulations phase reaction area 12, in
Between phase passage 16 between regulation phase reaction area 12 and methanogenic phase reaction zone 13 and for connecting adjacent two-phase.The phase passage 16
Formed by two pieces of division boards.This isolates plate for temperature sensors of high precision, or isolates plate provided with high-precision temperature sensing
Device.
The water that solid-liquid separator 15 in Chan Suan phase reactions area 11 is isolated can be flowed in Chan Suan phase reactions area 11, when this is anti-
After answering the water in area full or reaching a certain height, it can be flowed into by phase passage 16 in the guide shell 14 in next phase reaction area.
Above-mentioned Chan Suan phase reactions area 11, intermediate regulations phase reaction area 12 and methanogenic phase reaction zone 13 are also provided with：Point
The pH value and dissolved oxygen content in Chan Suan phase reactions area 11, intermediate regulations phase reaction area 12 and methanogenic phase reaction zone 13 Yong Yu not detected
PH instrument and dissolved oxygen meter.
Preferably, pH instrument and dissolved oxygen meter are arranged at before film on water out 112.
Preferably, anaerobic fluidized bed reaction zone 10 is also included：The display screen electrically connected with pH instrument and dissolved oxygen meter
17, and the temperature regulating device 18 electrically connected with temperature sensors of high precision.Display screen 17 can show pH value and dissolved oxygen content
Result is measured, the reaction environment in observation differential responses area, temperature regulating device 18 is monitored to the temperature of liquid in reaction zone, can
Alarm and be automatically stopped heating, to control the temperature environment in differential responses area.
The side wall upper part of methanogenic phase reaction zone 13 is provided with：Rinse and close valve 113.
The side wall in sludge settling area 20 is provided with：Wash liquid stream outlet 21.Preferably, rinse and close valve 113 and sludge
The bottom of decanting zone 20 is in sustained height.
The system also includes：The membrane pump between sludge settling area 20 and membrane separation zone 30 is arranged on, the membrane pump is in film
Negative pressure is formed in Disengagement zone 30, the sewage in sludge settling area 20 is sucked in membrane separation zone 30.
Membrane separation zone 30 is included：Rotate membrane module, film pressure table 32 and power set 33.Wherein, rotation membrane module is included：
Membrane cavity 311, and some metal films 312 being arranged in membrane cavity 311.Power set 33 are motor, and membrane cavity 311 is electrically connected with motor
Connect.
Metal film 312 has good toughness and intensity, and strong adaptability, usage cycles are long, and metal film 312 is provided with small
Hole, its aperture is from several microns to several microns of zero point.
The effect of membrane cavity 311 is that the water in every metal film 312 flows into membrane cavity 311 by the aperture on metal film 312
（Now particle diameter is more than the pollutant of metal membrane aperture and will not entered inside metal film）, membrane cavity 311 is connected with clear water output, by clearly
Water is discharged.Now metallic film surface forms a kind of shearing force, slows down metal fouling membrane.
The rotation membrane module is that cross-current type rotates membrane module, and under motor work, membrane cavity 311 drives metal film 312 to rotate,
So that current can be in metallic film surface formation shearing force, the biogas of generation during membrane separation zone 30 through that can increase in film surface shape
Into shearing force, further reduce membrane fouling rate.
Wherein, film pressure table 32 be shown in metal film 312 pollution it is different degrees of under, the change of film cavity pressure, thus
Show the durability and pollution level of rotation membrane module.
The side wall of membrane separation zone 30 is provided with：Clear water output 34 and biogas outlet 35.In biogas containing methane,
The clean energy resourcies such as hydrogen.
Preferably, the bottom in Chan Suan phase reactions area 11 is provided with：Sewage inlet 111.
Preferably, the system also includes：The first pipeline 40 for connecting sewage inlet 111 and membrane separation zone 30.
Preferably, the first pipeline 40 is provided with：Fluid flowmeter 41, the film suction pump 43 of control valve 42 and first.By
Fluid flowmeter 41 measures fluid flow and controls entering for capacity of returns and sewage by the film suction pump 43 of control valve 42 and first
Water-carrying capacity.
First film suction pump 43 ensure that the backflow between the sewage of membrane separation zone 30 and anaerobic fluidized bed reaction zone 10, dimension
The continuity of system operation has been held, and the sewage in the hydraulic pressure Shi Chansuan phase reactions area 11 provided is fully mixed.
Preferably, the system also includes：The sewage storage tank 50 being connected with sewage inlet 111, and enter for connecting sewage
The second pipe 60 of mouth 111 and sewage storage tank 50.
It is highly preferred that second pipe 60 is provided with：Fluid flowmeter 61 and control valve 62.
It is highly preferred that the system also includes：The clear water holding vessel 70 being connected with clear water output 34, and for connecting clear water
Outlet 34 and the 3rd pipeline 80 of clear water holding vessel 70.3rd pipeline 80 is made up of two branch pipe(tube)s of total pipeline and bifurcated,
The end of two branch pipe(tube)s is arranged in clear water holding vessel 70, the end connection clear water output 34 of total pipeline.
It is respectively equipped with two branch pipe(tube)s of the 3rd pipeline 80：Film suction pump 81 and Membrane cleaning pump 82.
Wherein, film suction pump 81 can be stored in membrane separation zone 30 is extracted out by the isolated clear water of rotation membrane module
In clear water holding vessel 70.
Wherein, Membrane cleaning pump 82 is entered using the clear water in clear water holding vessel 70 in the membrane cavity 311 of rotation membrane module, to rotation
Transferring film component is backwashed.
It is highly preferred that the system also includes：35 gas collecting apparatus 90 being connected, and connection biogas are exported with biogas
Body outlet 35 and the 4th pipeline 1 of gas collecting apparatus 90.Gas collecting apparatus 90 is used to collect in produced biogas, biogas
Contain the clean energy resourcies such as methane, hydrogen.
4th pipeline 1 is provided with：Gas flowmeter 1A, detects gas yield.
The application method of the system of the present invention is specific as follows：
First, sewage enters Chan Suan phase reactions area 11, and optimal acid-producing bacteria existence ring is reached by adjusting the pH of the reaction zone, temperature
Border is to solve traditional reactor because of acid poisoning phenomenon caused by acid accumulation.
Secondly, methanogenic phase reaction zone 13 is excessively entering into by intermediate regulations phase reaction area 12, is given birth in optimal methane backeria
Through a series of biological agents gas production is improved under long environmental condition.
Then, sewage enters sludge settling area 20 from methane phase reaction zone 13, and sludge is settled in sludge settling area 20
Processing, sludge by self gravitation fall into reaction zone again with anaerobe haptoreaction, effective degradation of contaminant and murder by poisoning
Material, and can also substantially reduce sludge and directly contacted with follow-up rotation membrane module, the pollution of effectively reduction metal film is fast
Rate and operating energy consumption and cost；
Finally, sewage enters membrane separation zone 30 from sludge settling area 20, causes metallic film surface using cross-current type rotation membrane module
Shearing force is formed, and the shearing force in metallic film surface formation is increased under the biogas effect of generation, metal is further reduced
The pollution speed of film, clear water is obtained by the processing of metal film.
In Membrane cleaning, close to rinse and close valve 113, will whole anaerobic fluidized bed reaction zone 10 and sludge settling area 20
Isolation, prevents that medicament water is flowed into anaerobic fluidized bed reaction zone 10 when film from being backwashed, cleaning fluid exports 21 from wash liquid stream
Outflow.
The system of the present invention is in integration, and its compact conformation, floor space is small, and the reaction time reduces, and organic loading rate is carried
Height, the stable low advantage of cost.
Embodiment 1
A kind of diphasic anaerobic sewage disposal system, as shown in Fig. 2 being the diphasic anaerobic sewage disposal system of the embodiment of the present invention 1
Structural representation, the system includes：Anaerobic fluidized bed reaction zone 10, sludge settling area 20, the film set gradually from bottom to top
Disengagement zone 30, is arranged on the membrane pump between sludge settling area 20 and membrane separation zone 30, for connecting anaerobic fluidized bed reaction zone
10 and the first pipeline 40 of membrane separation zone 30, the sewage storage tank 50 being connected with anaerobic fluidized bed reaction zone 10, for connecting anaerobism
The second pipe 60 of fluidized bed reaction zone 10 and sewage storage tank 50, the clear water holding vessel 70 being connected with membrane separation zone 30, for even
The 3rd pipeline 80 of membrane separation zone 30 and clear water holding vessel 70 is connect, the gas collecting apparatus 90 being connected with membrane separation zone 30, and connection
Membrane separation zone 30 and the 4th pipeline 1 of gas collecting apparatus 90.
It is interconnected between anaerobic fluidized bed reaction zone 10, sludge settling area 20 and membrane separation zone 30.
Sludge settling area 20 has terrace with edge structure, because the top end surface size in sludge settling area 20 is more than its bottom end surface
Size, therefore the top flow velocity in sludge settling area 20 is small, and sludge has been settled.
Anaerobic fluidized bed reaction zone 10 has rectangular parallelepiped structure, top end surface size and the dirt of anaerobic fluidized bed reaction zone 10
The bottom end surface size of mud decanting zone 20 matches, the top end surface size in sludge settling area 20 and the bottom table of membrane separation zone 30
Face size matches.
Anaerobic fluidized bed reaction zone 10 is included：Chan Suan phase reactions area 11, intermediate regulations phase reaction area 12, methanogenic phase reaction
Area 13, phase passage 16, display screen 17 and temperature regulating device 18.Phase passage 16 is arranged in Chan Suan phase reactions area 11 and intermediate regulations phase
Between reaction zone 12, intermediate regulations phase reaction area 12 and methanogenic phase reaction zone 13.Phase passage 16 is formed by two pieces of division boards.Should
Plate is isolated for temperature sensors of high precision.
Chan Suan phase reactions area 11, intermediate regulations phase reaction area 12 and methanogenic phase reaction zone 13 are containing anaerobe
Carrier granular.The dominant bacteria in Chan Suan phase reactions area 11 is acid-producing bacteria, and the dominant bacteria of methanogenic phase reaction zone 13 is methanogen.
Chan Suan phase reactions area 11, intermediate regulations phase reaction area 12 and methanogenic phase reaction zone 13 are equipped with：It is guide shell 14, solid
Liquid/gas separator 15, pH instrument and dissolved oxygen meter.Guide shell 14 is vertically arranged, and solid-liquid separator 15 is arranged on the upper of guide shell 14
End.
The bottom in Chan Suan phase reactions area 11 is provided with：Sewage inlet 111, the sewage inlet 111 is connected with second pipe 60.Production
The top in sour phase reaction area 11, intermediate regulations phase reaction area 12 and methanogenic phase reaction zone 13 is equipped with：Water out 112 before film,
PH instrument and dissolved oxygen meter are arranged at before film on water out 112.The side wall upper part of methanogenic phase reaction zone 13 is provided with：Rinse
Close valve 113.The bottom for closing valve 113 and sludge settling area 20 is rinsed in sustained height, membrane module is rotated rinsing
When, closing valve 113 will be rinsed and closed, methanogenic phase reaction zone 13 can be isolated with sludge settling area 20, prevent Membrane cleaning
Anaerobic fluidized bed reaction zone 10 is flowed into water.
The side wall in sludge settling area 20 is provided with：Wash liquid stream outlet 21.
Membrane separation zone 30 is included：Rotate membrane module, film pressure table 32 and power set 33.Set on the side wall of membrane separation zone 30
Have：Clear water output 34 and biogas outlet 35.Rotation membrane module is included：Membrane cavity 311, and if being arranged in membrane cavity 311
Dry metal film 312.Power set 33 are motor, and membrane cavity 311 is electrically connected with motor.
First pipeline 40 is provided with：Fluid flowmeter 41, the film suction pump 43 of control valve 42 and first.
Second pipe 60 is provided with：Fluid flowmeter 61 and control valve 62.
3rd pipeline 80 is made up of two branch pipe(tube)s of total pipeline and bifurcated, and the end of two branch pipe(tube)s is arranged on clear water storage
Deposit in tank 70, the end connection clear water output 34 of total pipeline.It is respectively equipped with two branch pipe(tube)s of the 3rd pipeline 80：Film suction pump
81 and Membrane cleaning pump 82.
4th pipeline 1 is provided with：Gas flowmeter 1A.
In summary, diphasic anaerobic sewage disposal system of the invention, the system is using microbial action in different phase
The characteristics of and strain advantage improve sewage treating efficiency methane production, and can also monitor rotation membrane module durability and dirt
Dye degree, it is in integration, and its compact conformation, floor space is small, and the reaction time reduces, and organic loading rate is improved, stable
The low advantage of cost.
Although present disclosure is discussed in detail by above preferred embodiment, but it should be appreciated that above-mentioned
Description is not considered as limitation of the present invention.After those skilled in the art have read the above, for the present invention's
A variety of modifications and substitutions all will be apparent.Therefore, protection scope of the present invention should be limited to the appended claims.
Claims (10)
1. a kind of diphasic anaerobic sewage disposal system, it is characterised in that the system is included：The anaerobism stream set gradually from bottom to top
Change bed reaction zone（10）, sludge settling area（20）And membrane separation zone（30）；
Described anaerobic fluidized bed reaction zone（10）, sludge settling area（20）And membrane separation zone（30）Between be interconnected；
Described anaerobic fluidized bed reaction zone（10）Comprising：
The Chan Suan phase reactions area connected side by side successively（11）, intermediate regulations phase reaction area（12）With methanogenic phase reaction zone（13）；
And
Temperature regulating device（18）, it is used for the temperature for controlling each phase reaction area；
Contain in described each phase reaction area：The carrier granular of anaerobe；
Described Chan Suan phase reactions area（11）Dominant bacteria be acid-producing bacteria；Described methanogenic phase reaction zone（13）Dominant bacteria be
Methanogen；
It is provided with described each phase reaction area：
Guide shell（14）, it is used for sewage water conservancy diversion；
Solid-liquid separator（15）, it is arranged on described guide shell（14）Upper end, the separation for carrier granular and sewage；And
Water out before film（112）, it is used for the pH value and dissolved oxygen content that adjust each phase reaction area；
Described membrane separation zone（30）Comprising：
Membrane module is rotated, it is arranged on described membrane separation zone（30）It is interior, for sludge and water to be separated；
Film pressure table（32）, it is used for the pressure change for monitoring described rotation membrane module；And
Power set（33）, it is connected with described rotation membrane module, and for rotating rotation membrane module；
Described rotation membrane module is that cross-current type rotates membrane module.
2. diphasic anaerobic sewage disposal system according to claim 1, it is characterised in that described each phase reaction area is also equal
It is provided with：
PH instrument, it is used to detect Chan Suan phase reactions area（11）, intermediate regulations phase reaction area（12）With methanogenic phase reaction zone（13）
PH value；And
Dissolved oxygen meter, it is used to detect Chan Suan phase reactions area（11）, intermediate regulations phase reaction area（12）It is opposite with methane phase
Answer area（13）Dissolved oxygen content；
Described pH instrument and dissolved oxygen meter are arranged at water out before film（112）On.
3. diphasic anaerobic sewage disposal system according to claim 2, it is characterised in that described anaerobic fluidized bed reaction
Area（10）Also include：
Phase passage（16）, it is arranged on described Chan Suan phase reactions area（11）With intermediate regulations phase reaction area（12）, intermediate regulations
Phase reaction area（12）With methanogenic phase reaction zone（13）Between, and for connecting two neighboring phase reaction area；And
Display screen（17）, it is electrically connected with described pH instrument and dissolved oxygen meter；
Described phase passage（16）It is made up of two pieces of division boards；
Described division board is temperature sensors of high precision, or division board is provided with temperature sensors of high precision.
4. diphasic anaerobic sewage disposal system according to claim 1, it is characterised in that described rotation membrane module bag
Contain：Membrane cavity（311）, and it is arranged on membrane cavity（311）On some metal films（312）；
Described metal film（312）Upper to contain some apertures, the aperture of the aperture is less than or equal to 10 μm；
Described power set（33）For motor.
5. the diphasic anaerobic sewage disposal system according to any one in claim 1-4, it is characterised in that described production
Methane phase reaction area（13）Side wall upper part be provided with：Rinse and close valve（113）；
Described Chan Suan phase reactions area（11）Bottom be provided with：Sewage inlet（111）；
Described sludge settling area（20）Side wall be provided with：Wash liquid stream is exported（21）；
Described membrane separation zone（30）Side wall be provided with：Clear water output（34）With biogas outlet（35）.
6. diphasic anaerobic sewage disposal system according to claim 5, it is characterised in that the system also includes：
It is arranged on described sludge settling area（20）And membrane separation zone（30）Between membrane pump,
For connecting described sewage inlet（111）And membrane separation zone（30）The first pipeline（40）,
With described sewage inlet（111）The sewage storage tank of connection（50）,
For connecting described sewage inlet（111）And sewage storage tank（50）Second pipe（60）,
With described clear water output（34）The clear water holding vessel of connection（70）,
For connecting described clear water output（34）With clear water holding vessel（70）The 3rd pipeline（80）,
Exported with described biogas（35）The gas collecting apparatus of connection（90）, and
The described biogas outlet of connection（35）And gas collecting apparatus（90）The 4th pipeline（1）.
7. diphasic anaerobic sewage disposal system according to claim 6, it is characterised in that the first described pipeline（40）On
It is provided with：
First film suction pump（43）, it is used for membrane separation zone（30）Interior water is back to anaerobic fluidized bed reaction zone（10）, and
By sewage storage tank（50）Interior sewage transport is to anaerobic fluidized bed reaction zone（10）；
First control valve（42）, it is used to control membrane separation zone（30）The open and close of recirculation water；And
First fluid flowmeter（41）, it is used to measure membrane separation zone（30）The water-carrying capacity of backflow.
8. diphasic anaerobic sewage disposal system according to claim 6, it is characterised in that described second pipe（60）On
It is provided with：
Second control valve（62）, it is used to control described sewage storage tank（50）The open and close of sewage are conveyed, and
Second liquid flowmeter（61）, it is used to measure sewage storage tank（50）The discharge of sewage of conveying.
9. diphasic anaerobic sewage disposal system according to claim 6, it is characterised in that the 3rd described pipeline（80）By
Total pipeline and two branch pipe(tube)s being connected with total pipeline are constituted, and the end of two branch pipe(tube)s is arranged at described clear water holding vessel
（70）It is interior, the end of total pipeline and described clear water output（34）Connection；
The 4th described pipeline（1）It is provided with：Gas flowmeter for detecting gas yield（1A）.
10. diphasic anaerobic sewage disposal system according to claim 9, it is characterised in that the 3rd described pipeline（80）
Two branch pipe(tube)s on be respectively equipped with：
Film suction pump（81）, it is used to extracting clear water into described membrane separation zone out（30）And store to described clear water holding vessel
（70）；And
Membrane cleaning pump（82）, it is used for described clear water holding vessel（70）In clear water be pumped into described membrane separation zone（30）It is interior
And described rotation membrane module is backwashed.
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| CN201710796031.6A CN107324620A (en) | 2017-09-06 | 2017-09-06 | A kind of diphasic anaerobic sewage disposal system |
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| CN108821434A (en) * | 2018-07-02 | 2018-11-16 | 浙江万里学院 | Integral type AAO+MBR reactor and the method for handling sewage with it |
| CN110606560A (en) * | 2018-06-15 | 2019-12-24 | 国统国际股份有限公司 | Composite anaerobic biological fermentation tank |
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