CN110015751A - A kind of membrane module energy-saving and aerating method of MBR system - Google Patents
A kind of membrane module energy-saving and aerating method of MBR system Download PDFInfo
- Publication number
- CN110015751A CN110015751A CN201910170971.3A CN201910170971A CN110015751A CN 110015751 A CN110015751 A CN 110015751A CN 201910170971 A CN201910170971 A CN 201910170971A CN 110015751 A CN110015751 A CN 110015751A
- Authority
- CN
- China
- Prior art keywords
- membrane cisterna
- pneumatic operated
- supervisor
- operated valve
- time
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/1236—Particular type of activated sludge installations
- C02F3/1268—Membrane bioreactor systems
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
- C02F2203/006—Apparatus and plants for the biological treatment of water, waste water or sewage details of construction, e.g. specially adapted seals, modules, connections
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The embodiment of the invention provides a kind of membrane module energy-saving and aerating methods of MBR system comprising when suction pump is in the t of halted state2In time, the first half time, supervisor's pneumatic operated valve of part membrane cisterna is made to be in full open position, all supervisor's pneumatic operated valves of remaining membrane cisterna successively execute and completely close, keep completely closed state, completely open movement；In the later half time, again selected part membrane cisterna, the supervisor's pneumatic operated valve for the part membrane cisterna chosen again is set to be in full open position, all supervisor's pneumatic operated valves of remaining membrane cisterna after choosing again, which successively execute, to be completely closed, keeps completely closed state, completely open movement.The characteristics of by combining suction pump intermittent duty, while ensure that the available effective flushing of membrane module to delay fouling membrane significantly, aeration energy consumption can reduce 20-40%.
Description
Technical field
The present invention relates to water-treatment technology fields, more particularly to a kind of membrane module energy-saving and aerating method of MBR system.
Background technique
MBR (Membrane Bio-reactor, membrane bioreactor) technology be it is a kind of by membrane separation technique with it is traditional
The sewage treatment process that biologic treating technique is combined.MBR in practical applications, is segmented into integrated immersion MBR and fission
Two kinds of forms of formula MBR.MBR carries out mud-water separation using the secondary settling tank in UF membrane substitution conventional activated sludge process, with tradition
Activated sludge process compare, have as occupied area is small, effluent quality is excellent, capacity of resisting impact load is strong, high volumetric loading
Etc. superiority；But it during using MBR processing sewage, to maintain MBR to operate normally, needs through high-intensitive exposure
Gas washes away cross-flow velocity improving film surface and the polluter of film surface is removed, and achievees the purpose that lessening membrane fouling；It is this
It can be improved film surface and wash away cross-flow velocity and the polluter of film surface is removed, achieve the purpose that lessening membrane fouling aeration claims
To clean aeration.Clean aeration quantity make the aeration quantity of MBR be often 2-3 times of aeration quantity of conventional activated sludge process with
On, the aeration quantity required considerably beyond the reaction of MBR system mesophytization, therefore the relatively high operation for leading to MBR of energy consumption of MBR operation
It is costly.
The scouring aeration of MBR membrane module is all made of lasting aeration mode at present.Well known MBR aeration energy consumption accounts for MBR system
The 65-80% of total energy consumption.In fact, to maintain the aeration effective rate of utilization washed away of film surface high speed less than 50% in MBR system,
50% aeration energy consumption is wasted, and the aeration quantity for reducing MBR is the effective way for reducing MBR operating cost.
In view of this, the aeration quantity of MBR is reduced, to lower aeration energy how while guaranteeing to film surface scrub effect
Consumption, is this field urgent problem to be solved.
Summary of the invention
A kind of membrane module energy-saving and aerating method for being designed to provide MBR system of the embodiment of the present invention is being protected with realizing
While card is to film surface scrub effect, the aeration quantity of MBR is reduced.Specific technical solution is as follows:
Present invention firstly provides a kind of membrane module energy-saving and aerating method of MBR system, the MBR system includes N number of film
Pond, air supply header, at least one air blower with frequency converter, N set water outlet suction system and outfall sewer, wherein N is integer, and
N≥2；
It include M group membrane module in each membrane cisterna；Every group of membrane module has aerator and captation, and wherein M is integer,
M≥1；
A membrane cisterna aeration branch pipe is arranged in each membrane cisterna, and all aerators in each membrane cisterna pass through the control of membrane module tolerance
Hand-operated valve processed is connected with the membrane cisterna aeration branch pipe of the membrane cisterna, and each membrane cisterna aeration branch pipe passes through one group of supervisor's control in parallel
Valve group and branch pipe control valve group are connected with air supply header, and supervisor's control valve group includes concatenated supervisor's hand-operated valve and supervisor
Pneumatic operated valve, the branch pipe control valve group include concatenated branch pipe hand-operated valve and branch pipe pneumatic operated valve；
At least one described air blower with frequency converter passes through gas coutrol valve and first check-valve and air supply header phase
Even, and on the pipeline that at least one described air blower with frequency converter is connected with air supply header, a gas flowmeter is set
And gas flowmeter control valve, the gas flowmeter and gas flowmeter control valve are for determining at least one described band frequency conversion
The tolerance that the air blower of device is conveyed to air supply header；
Each membrane cisterna is furnished with a set of water outlet suction system, and every set water outlet suction system includes suction branch and suction pump；
One end of each suction branch passes through the dress that respectively catchments in the hand-operated valve that catchments membrane cisterna corresponding with the suction branch
Set connection；The other end of each suction branch is connected by aspirating control valve group with the water inlet of suction pump, the suction control
Valve group includes suction hand-operated valve and suction pneumatic operated valve；The water outlet of suction pump passes through second check-valve, outlet water control valve, out water flow
Meter is connected with outfall sewer；
Suction pump intermittent duty sets time that suction pump is aspirated every time as t1, the time that suction pump stops every time is t2,
When suction pump stops, the suction pneumatic operated valve on suction branch is closed；
It is Xm that aeration quantity is cleaned when setting is using aeration mode is continued, required for each membrane cisterna3/ h is then exposed using lasting
It is NXm that air blower, which is supplied to total scouring aeration quantity of N number of membrane cisterna, when gas mode3/h；
The aeration method includes:
Keep the branch pipe hand-operated valve of all membrane cisterna aeration branch pipes in the open state, and branch pipe pneumatic operated valve is in and completely closes shape
State；Keep supervisor's hand-operated valve and the supervisor's pneumatic operated valve of all membrane cisterna aeration branch pipes in the open state；
The air quantity for adjusting air blower output, so that total scouring aeration quantity that the air blower is supplied to N number of membrane cisterna is
(0.6-0.8)NXm3/h；Adjusting supervisor's hand-operated valve makes each membrane cisterna scouring aeration quantity obtained be (0.6-0.8) Xm3/h；
After opening all branch pipe pneumatic operated valves, all supervisor's pneumatic operated valves are closed, branch pipe hand-operated valve is adjusted and makes each membrane cisterna institute
The scouring aeration quantity of acquisition is (0.6-0.8) Xm3/h；All supervisor's pneumatic operated valves are opened, and close all branch pipe pneumatic operated valves；
When suction pump is in the t of aspiration phases1In time, make supervisor's pneumatic operated valve on the membrane cisterna aeration branch pipe of all membrane cisternas
It is in full open position, so that each membrane cisterna scouring aeration quantity obtained is (0.6-0.8) Xm3/h；
When suction pump is in the t of halted state2In time,
Preceding 1/2t2Time makes supervisor's pneumatic operated valve of part membrane cisterna be in full open position, all supervisors of remaining membrane cisterna
Pneumatic operated valve successively executes and completely closes, keeps completely closed state, completely open movement, and makes to keep completely closed state
Time be also 1/2t2-2t3；So that the scouring aeration quantity that the part membrane cisterna obtains is greater than Xm3/ h, duration 1/2t2-
2t3；
1/2t afterwards2In time, selected part membrane cisterna, has been in the supervisor's pneumatic operated valve for the part membrane cisterna chosen again again
Full opening state, all supervisor's pneumatic operated valves of remaining membrane cisterna after choosing again, which successively execute, to be completely closed, keeps completely closing
State, completely open movement, and make the time 1/2t for keeping completely closed state2-2t3；So that the part film chosen again
The scouring aeration quantity that pond obtains is greater than Xm3/ h, duration 1/2t2-2t3；
Again the part membrane cisterna and preceding 1/2t chosen2The part membrane cisterna chosen in time is at least not exactly the same；
t3It is closed from completely closed state to full open position, or from full open position to complete for supervisor's pneumatic operated valve
Time required for closed state.
In certain embodiments of the present invention, the quantity of the part membrane cisterna or the part membrane cisterna chosen again is small
In or equal to membrane cisterna total quantity half.
In certain embodiments of the present invention, N is even number, and N number of membrane cisterna is divided into the identical T1 group of membrane cisterna quantity
With T2 group；
When suction pump is in the t of halted state2In time,
Preceding 1/2t2Time makes all supervisor's pneumatic operated valves in T2 group still in full open position, makes all in T1 group
Supervisor's pneumatic operated valve, which successively executes, to be completely closed, keeps completely closed state, completely open movement, and makes to keep completely closing
The time of state is 1/2t2-2t3；So that the scouring aeration quantity that each membrane cisterna obtains in T2 group reaches (1.2-1.6) Xm3/ h,
Duration is 1/2t2-2t3；
1/2t afterwards2In time, all supervisor's pneumatic operated valves in T1 group is made to be in full open position, made all in T2 group
Supervisor's pneumatic operated valve, which successively executes, to be completely closed, keeps completely closed state, completely open movement, and makes to keep completely closing shape
The time of state is 1/2t2-2t3；So that the scouring aeration quantity that each membrane cisterna obtains in T1 group reaches (1.2-1.6) Xm3/ h, holds
The continuous time is 1/2t2-2t3。
In certain embodiments of the present invention, N is odd number, and N number of membrane cisterna is divided into T3 group and T4 group；Film in T3 group
The quantity in pond is n, and T3 differs one with the membrane cisterna quantity in T4 group；
When suction pump was in the t2 time of halted state,
Preceding 1/2t2Time makes all supervisor's pneumatic operated valves in T4 group still in full open position, makes all in T3 group
Supervisor's pneumatic operated valve, which successively executes, to be completely closed, keeps completely closed state, completely open movement, and makes to keep completely closing shape
The time of state is 1/2t2-2t3；So that the scouring aeration quantity that each membrane cisterna obtains in T4 group reaches (0.6-0.8)Duration is 1/2t2-2t3；1/2t afterwards2In time, all supervisor's pneumatic operated valves in T3 group is made to be in complete
Opening state executes all supervisor's pneumatic operated valves in T4 group successively and completely closes, keeps completely closed state, completely open
Movement, and make the time 1/2t for keeping completely closed state2-2t3；So that the scouring aeration that each membrane cisterna obtains in T3 group
Amount reaches (0.6-0.8)Duration is 1/2t2-2t3。
In certain embodiments of the present invention, within the t2 time, for the branch pipe pneumatic operated valve of all membrane cisterna aeration branch pipes,
It completely closed when its corresponding supervisor's pneumatic operated valve is not carried out, keep completely closed state, when completely open movement, the branch pipe
Pneumatic operated valve execution fully opens, keeps full open position, the movement completely closed；And execution movement branch pipe pneumatic operated valve with hold
Supervisor's pneumatic operated valve that action is made is synchronous.
In certain embodiments of the present invention, the membrane module quantity M for including in each membrane cisterna is even number.
In certain embodiments of the present invention, the time t that suction pump is aspirated every time1It is 4-13 minutes；Suction pump is each
The time t of stopping2It is 1.5-2 minutes.
In certain embodiments of the present invention, pneumatic operated valve is responsible for from completely closed state to full open position, or
Time t required for from full open position to completely closed state3It is 1 second.
In certain embodiments of the present invention, the MBR system further includes that water inlet manifold and N cover back-purge system, often
Covering back-purge system includes backwashing pump and membrane cisterna water inlet pipe；One end of each membrane cisterna water inlet pipe is connected with water inlet manifold；
The other end of each membrane cisterna water inlet pipe is connected by water inlet control valve with the water inlet of backwashing pump, and the water outlet of backwashing pump passes through
The suction pneumatic operated valve front end on suction branch is accessed after flow control valve, third check-valves, backwash flowmeter, backwash pneumatic operated valve.
The present invention provides a kind of membrane module aeration methods of MBR system to take out in conjunction with the characteristics of suction pump intermittent duty
Sucking pump stops in suction time section, by the supervisor's pneumatic operated valve closed on part membrane cisterna aeration branch pipe, so that the supervisor being not turned off
The more aeration quantity of scouring aeration quantity when other membrane cisternas of pneumatic operated valve can be obtained than using lasting aeration mode, to guarantee
Membrane module it is available it is effective rinse to have delayed fouling membrane significantly, meanwhile, the air quantity of frequency conversion air blower output is only held
The 60-80% of scouring aeration quantity when continuous aeration mode；Therefore compared with lasting aeration mode, aeration energy consumption can reduce 20-
40%.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is a kind of structural schematic diagram of MBR system provided in an embodiment of the present invention；
Fig. 2 is that lasting aeration mode and the postrun TMP result of variable aeration mode is respectively adopted.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The present invention provides a kind of membrane module energy-saving and aerating method of MBR system, which can be as shown in Figure 1, packet
Include N number of membrane cisterna 10, air supply header 19, at least one air blower 1 with frequency converter 2, N set water outlet suction system and outfall sewer
20, wherein N is integer, and N >=2；
It include M group membrane module 8 in each membrane cisterna 10；Every group of membrane module 8 has aerator 7 and captation 9, wherein M
For integer, M >=1；
A membrane cisterna aeration branch pipe 17 is arranged in each membrane cisterna 10, and all aerators 7 in each membrane cisterna pass through membrane module
Tolerance control hand-operated valve 171 is connected with the membrane cisterna aeration branch pipe 17 of the membrane cisterna, and each membrane cisterna aeration branch pipe 17 passes through one group
Supervisor's control valve group and branch pipe control valve group in parallel is connected with air supply header 19, and supervisor's control valve group includes concatenated
It is responsible for hand-operated valve 141 and supervisor's pneumatic operated valve 14, the branch pipe control valve group includes that concatenated branch pipe hand-operated valve 131 and branch pipe are pneumatic
Valve 13；
At least one described air blower 1 with frequency converter is total by gas coutrol valve 3 and first check-valve 31 and gas supply
Pipe 19 is connected, and on the pipeline that at least one described air blower 1 with frequency converter is connected with air supply header 19, a gas is arranged
Flowmeter body 4 and gas flowmeter control valve 41, gas flowmeter 4 and gas flowmeter control valve 41 are described at least for determination
The tolerance that one air blower 1 with frequency converter is conveyed to air supply header 19；
Each membrane cisterna 10 is furnished with a set of water outlet suction system, and every set water outlet suction system includes suction branch 18 and suction pump
5；
One end of each suction branch 18 passes through each collection in the hand-operated valve 181 that catchments membrane cisterna corresponding with the suction branch
Water installations 9 connect；The other end of each suction branch 18 is connected by aspirating control valve group with the water inlet of suction pump 5, described
Aspirating control valve group includes suction hand-operated valve 151 and suction pneumatic operated valve 15；The water outlet of suction pump by second check-valve 112,
Outlet water control valve 111, water flow meter 11 are connected with outfall sewer 20；
5 intermittent duty of suction pump sets time that suction pump 5 is aspirated every time as t1, the time that suction pump 5 stops every time is
t2, when suction pump 5 stops, the suction pneumatic operated valve 15 on suction branch 18 is closed；
When setting is using aeration mode is continued, it is Xm that aeration quantity is cleaned required for each membrane cisterna 103/ h, then using lasting
It is NXm that air blower 1, which is supplied to total scouring aeration quantity of N number of membrane cisterna, when aeration mode3/h；
The aeration method includes:
Keep the branch pipe hand-operated valve 131 of all membrane cisterna aeration branch pipes 17 in the open state, and branch pipe pneumatic operated valve 13 has been in
Full closing state；Keep supervisor's hand-operated valve 141 and the supervisor's pneumatic operated valve 14 of all membrane cisterna aeration branch pipes 17 in the open state；
The air quantity for adjusting air blower output, so that total scouring aeration quantity that the air blower is supplied to N number of membrane cisterna is
(0.6-0.8)NXm3/h；Adjusting supervisor's hand-operated valve 141 makes each membrane cisterna 10 scouring aeration quantity obtained be (0.6-0.8)
Xm3/h；
After opening all branch pipe pneumatic operated valves 13, all supervisor's pneumatic operated valves 14 are closed, adjusting branch pipe hand-operated valve 131 makes each
The scouring aeration quantity obtained of membrane cisterna 10 is (0.6-0.8) Xm3/h；Open all supervisor's pneumatic operated valves, 14 and close all branch pipes
Pneumatic operated valve 13；
When suction pump 5 is in the t of aspiration phases1In time, make the supervisor on the membrane cisterna aeration branch pipe 17 of all membrane cisternas 10
Pneumatic operated valve 14 is in full open position, so that the scouring aeration quantity obtained of each membrane cisterna 10 is (0.6-0.8) Xm3/h；
When suction pump 5 is in the t of halted state2In time,
Preceding 1/2t2Time makes supervisor's pneumatic operated valve 14 of part membrane cisterna be in full open position, all masters of remaining membrane cisterna
Pipe pneumatic operated valve 14 successively executes and completely closes, keeps completely closed state, completely open movement, and makes to keep completely closing shape
The time of state is 1/2t2-2t3；So that the scouring aeration quantity that the part membrane cisterna obtains is greater than Xm3/ h, duration 1/2t2-
2t3；
1/2t afterwards2In time, selected part membrane cisterna, is in the supervisor's pneumatic operated valve 14 for the part membrane cisterna chosen again again
Full open position, all supervisor's pneumatic operated valves 14 of remaining membrane cisterna after choosing again, which successively execute, to be completely closed, keeps complete
Closed state, completely open movement, and make the time 1/2t for keeping completely closed state2-2t3；So that the portion chosen again
The scouring aeration quantity for dividing membrane cisterna to obtain is greater than Xm3/ h, duration 1/2t2-2t3；
Again the part membrane cisterna and preceding 1/2t chosen2The part membrane cisterna chosen in time is at least not exactly the same；
t3It is supervisor's pneumatic operated valve 14 from completely closed state to full open position, or from full open position to complete
Time required for closed state.
From technical solution of the present invention as can be seen that aeration method provided by the invention, continues aeration method with existing
It compares, is a kind of variable aerating method.
The membrane module aeration method of MBR system provided by the invention, is particularly suitable for large-scale MBR system, and described is big
Usually in a few days processing water reaches 10,000 tons or more of MBR system to type MBR system, there are two general large size MBR system at least has
Membrane cisterna, each membrane cisterna at least have 4 membrane modules.
It should be noted that membrane module 8 included in membrane cisterna；And it has aerator 7 and captation 9,
It can be realized using the ordinary skill in the art, the present invention is herein without limiting.
In the present invention, " pneumatic operated valve " is referred to as " operated pneumatic valve ", has the common meaning in category field, generally refers to borrow
Help the valve of compressed air-driven.
In the present invention, " hand-operated valve " is referred to as " manually-operated gate ", has the common meaning in category field, generally refers to lead to
Remarkable power drive, the valve of Lai Shixian open and close.In specific implementation process of the invention, technical staff can be according to practical need
It wants, selects the pneumatic operated valve and hand-operated valve of suitable type, model.
In addition, carrying out flow adjusting since hand-operated valve has the function of facilitating, it is based on this, some embodiments of the present invention
In, used gas coutrol valve, gas flowmeter control valve, outlet water control valve, flow control valve etc. can be using suitable
Type, model manually-operated gate realize.
In specific implementation process of the invention, related hand-operated valve is generally in opening state；Certainly, hand-operated valve institute
The degree of opening may will be different according to the specific effect of hand-operated valve；
For example, in the main formula of some specific implementations of invention, the supervisor's hand-operated valve and branch pipe hand-operated valve of membrane cisterna aeration branch pipe
It is mainly used for adjusting the aeration quantity for entering each membrane cisterna, by adjusting the opening degree of hand-operated valve, so that not apart from air blower
The available identical aeration quantity of the membrane cisterna of same distance.
In technical solution of the present invention, at least one described air blower 1 with frequency converter passes through gas coutrol valve 3 and the
One check-valves 31 is connected with air supply header 19, means that air blower 1 is connected by pipeline with air supply header 19, and is connected in the two
Pipeline on, be provided with gas coutrol valve 3 and first check-valve 31.
In a specific embodiment of the invention, the quantity of air blower 1 can tolerance according to actual needs determine.One
As, air blower gas supply total amount is 1.2 times of the total tolerance of scouring or more that system needs, and guarantees certain surplus.Air blower one
As select 3, using 2 with the 1 standby method of operation, a fairly large number of air blower, the standby fan of use is 1, remaining is fortune
Row blower.
Similarly, in technical solution of the present invention, the water outlet of suction pump 5 passes through second check-valve 112, outlet water control valve
111, water flow meter 11 is connected with outfall sewer 20, it is intended that and the water outlet of suction pump is connected by pipeline with outfall sewer 20,
On the pipeline that the two is connected, it is provided with second check-valve 112, outlet water control valve 111, water flow meter 11.
In specific implementation process of the invention, in t2Period, theoretically can choose makes 1,2, and 3, until N-1
Main pneumatic operated valve on a membrane cisterna aeration branch pipe, which successively executes, to be completely closed, keeps completely closed state, completely open movement；Phase
Ying Di, does not hold the corresponding each membrane cisterna of main pneumatic operated valve that above-mentioned action is made, and available scouring aeration quantity is (0.6-0.8)
Xm3The N/ (N-1) of/h times, N/ (N-2) times, N/ (N-3) times, until (N-1) times.
It but in the specific implementation process, is such as more than it since the film wire of membrane module or diaphragm have certain mechanical strength
Tolerance range will lead to film wire fracture and diaphragm tearing to damage membrane module；Therefore, in practical operation, the increased aeration quantity of institute
Multiple preferably not more than set scouring aeration quantity Xm33 times of/h, to prevent aeration quantity from crossing havoc membrane module.
It should be noted that supervisor's pneumatic operated valve is from completely closed state to full open position, or from fully opening shape
Time required for state to completely closed state is identical, is t3。
In the present invention, the part membrane cisterna and preceding 1/2t chosen again2The part membrane cisterna chosen in time is at least incomplete
It is identical, it can be understood as the part membrane cisterna and preceding 1/2t chosen again2The part membrane cisterna chosen in time is entirely different or portion
Divide difference.
In certain embodiments of the present invention, the quantity of the part membrane cisterna or the part membrane cisterna chosen again is small
In or equal to membrane cisterna total quantity half.It can guarantee that rest part membrane cisterna scouring aeration quantity obtained can not in this way
Less than (1.2-1.6) Xm3/h。
In certain embodiments of the present invention, when N be even number, N number of membrane cisterna 10 can be divided into membrane cisterna quantity phase
Same T1 group and T2 group；
When suction pump 5 is in the t of aspiration phases1In time, make the supervisor on the membrane cisterna aeration branch pipe 17 of all membrane cisternas 10
Pneumatic operated valve 14 is in full open position, so that each membrane cisterna scouring aeration quantity obtained is (0.6-0.8) Xm3/h；
When suction pump is in the t of halted state2In time,
Preceding 1/2t2Time makes all supervisor's pneumatic operated valves 14 in T2 group still in full open position, makes the institute in T1 group
There is supervisor's pneumatic operated valve 14 successively to execute completely close, keep completely closed state, completely open movement, and makes to keep complete
The time of closed state is 1/2t2-2t3；So that the scouring aeration quantity that each membrane cisterna obtains in T2 group reaches (1.2-1.6)
Xm3/ h, duration 1/2t2-2t3；1/2t afterwards2In time, it is in all supervisor's pneumatic operated valves 14 in T1 group and fully opens
State executes all supervisor's pneumatic operated valves 14 in T2 group successively and completely closes, keeps completely closed state, completely open
Movement, and make the time 1/2t for keeping completely closed state2-2t3；So that the scouring aeration that each membrane cisterna obtains in T1 group
Amount reaches (1.2-1.6) Xm3/ h, duration 1/2t2-2t3。
In certain embodiments of the present invention, when N be odd number, N number of membrane cisterna is divided into T3 group and T4 group；In T3 group
The quantity of membrane cisterna is n, and T3 differs one with the membrane cisterna quantity in T4 group；
When suction pump is in the t of aspiration phases1In time, keep the supervisor on the membrane cisterna aeration branch pipe 17 of all membrane cisternas pneumatic
Valve 14 is in full open position, so that each membrane cisterna scouring aeration quantity obtained is (0.6-0.8) Xm3/h；
When suction pump was in the t2 time of halted state,
Preceding 1/2t2Time makes all supervisor's pneumatic operated valves in T4 group still in full open position, makes all in T3 group
Supervisor's pneumatic operated valve, which successively executes, to be completely closed, keeps completely closed state, completely open movement, and makes to keep completely closing shape
The time of state is 1/2t2-2t3；So that the scouring aeration quantity that each membrane cisterna obtains in T4 group reaches (0.6-0.8)Duration is 1/2t2-2t3；1/2t afterwards2In time, all supervisor's pneumatic operated valves in T3 group is made to be in complete
Opening state executes all supervisor's pneumatic operated valves in T4 group successively and completely closes, keeps completely closed state, completely open
Movement, and make the time 1/2t for keeping completely closed state2-2t3；So that the scouring aeration that each membrane cisterna obtains in T3 group
Amount reaches (0.6-0.8)Duration is 1/2t2-2t3.In this embodiment, due to T3 group and two groups of T4 group
Membrane cisterna quantity be not much different, for large-scale MBR system, since membrane cisterna sum is more；Therefore 1/2t before two groups2
Time and rear 1/2t2Time scouring aeration quantity obtained is also close to (1.2-1.6) Xm3/ h's.
In certain embodiments of the present invention, in t2In time, for the branch pipe pneumatic operated valve of all membrane cisterna aeration branch pipes,
It completely closed when its corresponding supervisor's pneumatic operated valve is not carried out, keep completely closed state, when completely open movement, the branch pipe
Pneumatic operated valve execution fully opens, keeps full open position, the movement completely closed；And execution movement branch pipe pneumatic operated valve with hold
Supervisor's pneumatic operated valve that action is made is synchronous.It is can reduce in this way in preceding 1/2t2Time or rear 1/2t2In time, it is constantly in and beats completely
The pipeline pressure for the corresponding membrane cisterna aeration tube of supervisor's pneumatic operated valve opened.
In the present invention, " synchronization " be can be understood as when being responsible for the movement that control valve execution completely closes, branch pipe pneumatic operated valve
Execute completely open movement；When being responsible for control valve holding completely closed state, branch pipe pneumatic operated valve keeps full open position；
When being responsible for the control valve completely open movement of execution, branch pipe pneumatic operated valve executes the movement completely closed.
In certain embodiments of the present invention, the membrane module quantity M for including in each membrane cisterna is even number；It in this way can be square
Just membrane module is symmetrical arranged in membrane cisterna.
It should be noted that scouring aeration quantity Xm described in the present invention3The specific value of/h and suction pump are aspirated every time
Time t1, time t that suction pump stops every time2, can be depending on the requirement of the technique of MBR system；For example, in the present invention
Some embodiments in, time t that suction pump is aspirated every time1It is 4-13 minutes；The time t that suction pump stops every time2For 1.5-
2 minutes.And to t corresponding to pneumatic operated valve3, then the usually attribute of pneumatic operated valve itself, generally, t3It is 1 second or so.
Generally, MBR system can pass through back washing device when membrane module damage ratio is more serious with back washing device
Membrane module is cleaned.Specifically, in certain embodiments of the present invention, as shown in Figure 1, the MBR system further includes
Water inlet manifold 21 and N cover back-purge system, and every set back-purge system includes backwashing pump 6 and membrane cisterna water inlet pipe 22；Each membrane cisterna
One end of water inlet pipe 22 is connected with water inlet manifold 21；The other end of each membrane cisterna water inlet pipe passes through water inlet control valve 123
It is connected with the water inlet of backwashing pump, the water outlet of backwashing pump passes through flow control valve 121, third check-valves 122, backwash flowmeter
12,15 front end of suction pneumatic operated valve on suction branch is accessed after backwash pneumatic operated valve 16.
In the inventive solutions, the water outlet of backwashing pump is by flow control valve 121, third check-valves 122, anti-
The suction pneumatic operated valve front end on suction branch is accessed after washing flowmeter 12, backwash pneumatic operated valve 16, it is intended that the water outlet of backwashing pump is logical
Suction pneumatic operated valve front end on piping 23 and access suction branch, and flow control valve 121, third are provided on this pipeline
Check-valves 122, backwash flowmeter 12, backwash pneumatic operated valve 16.
In the present invention, 15 front end of suction pneumatic operated valve on suction branch can be understood as the pumping of suction 15 influent side of pneumatic operated valve
Inhale branch pipe.
In the inventive solutions, suction branch 18 can be shared by being discharged suction system and back-purge system.Also
It is to say, when without backwash, backwash pneumatic operated valve 16 can be closed；In this way when water outlet suction system carries out suction water outlet
When, the water in suction branch 18 can be entered in suction pump by aspirating pneumatic operated valve 15, and then be emitted into outfall sewer.And work as
When being backwashed, suction pneumatic operated valve 15 is closed, backwash pneumatic operated valve 16 is opened, the water outlet of backwashing pump 6 can pass through suction branch
18 pairs of membrane modules carry out backwash.
Below by specific embodiment, to further illustrate the technical scheme of the present invention and its beneficial effect having
Fruit.
A kind of MBR system, structure is as shown in Figure 1, include 19,34 membrane cisternas 10, air supply header drums with frequency converter 2
Blower 1 (dual-purpose one is standby), 4 sets of water outlet suction systems, outfall sewer 20, water inlet manifold 21 and N cover back-purge system, and wherein N is
Integer, and N >=2；
It include 8 groups of membrane modules 8 in each membrane cisterna 10；Every group of membrane module 8 has aerator 7 and captation 9, wherein M
For integer, M >=1；
A membrane cisterna aeration branch pipe 17 is arranged in each membrane cisterna 10, and all aerators 7 in each membrane cisterna pass through membrane module
Tolerance control hand-operated valve 171 is connected with the membrane cisterna aeration branch pipe 17 of the membrane cisterna, and each membrane cisterna aeration branch pipe 17 passes through one group
Supervisor's control valve group and branch pipe control valve group in parallel is connected with air supply header 19, and supervisor's control valve group includes concatenated
It is responsible for hand-operated valve 141 and supervisor's pneumatic operated valve 14, the branch pipe control valve group includes that concatenated branch pipe hand-operated valve 131 and branch pipe are pneumatic
Valve 13；
At least one described air blower 1 with frequency converter is total by gas coutrol valve 3 and first check-valve 31 and gas supply
Pipe 19 is connected, and on the pipeline that at least one described air blower 1 with frequency converter is connected with air supply header 19, a gas is arranged
Flowmeter body 4 and gas flowmeter control valve 41 are for determining at least one described air blower 1 with frequency converter to air supply header
The tolerance of 19 conveyings；
Each membrane cisterna 10 is furnished with a set of water outlet suction system, and every set water outlet suction system includes suction branch 18 and suction pump
5；
One end of each suction branch 18 passes through each collection in the hand-operated valve 181 that catchments membrane cisterna corresponding with the suction branch
Water installations 9 connect；The other end of each suction branch 18 is connected by aspirating control valve group with the water inlet of suction pump 5, described
Aspirating control valve group includes suction hand-operated valve 151 and suction pneumatic operated valve 15；The water outlet of suction pump by second check-valve 112,
Outlet water control valve 111, water flow meter 11 are connected with outfall sewer 20；Pond or water spot is used in the access of outfall sewer 20；
Every set back-purge system includes backwashing pump 6 and membrane cisterna water inlet pipe 22；One end of each membrane cisterna water inlet pipe 22 is equal
It is connected with water inlet manifold 21；The other end of each membrane cisterna water inlet pipe passes through the water inlet phase of water inlet control valve 123 and backwashing pump
Even, the water outlet of backwashing pump is after flow control valve 121, third check-valves 122, backwash flowmeter 12, backwash pneumatic operated valve 16
Access the suction pneumatic operated valve front end on suction branch.Water inlet manifold 21 connects middle pond.
(1) using lasting aeration mode operation
Start MBR system, the supervisor's hand-operated valve 141 and supervisor's pneumatic operated valve 14 on all membrane cisterna aeration branch pipes 17 are in entirely
Open state, branch pipe hand-operated valve 131 and branch pipe pneumatic operated valve 13 are in full off state；Set total aeration quantity of each membrane cisterna membrane module as
Xm3/ h (X=125), the frequency for adjusting frequency converter 2 reaches so that air blower air demand is NXm3/ h (N=4)；It is manual to adjust supervisor
Valve 141, so that the aeration quantity of each membrane cisterna is equal to Xm3/ h and aeration is uniform；5 intermittent duty of suction pump is set, pumping is stopped than being 8 points
Clock: 100 seconds.It sets backwashing pump to recoil frequency, when backwash, suction pump 5 stops, and suction pneumatic operated valve 15 is closed, backwash pneumatic operated valve
16 open, and starting backwashing pump 6 rinses membrane module within the set time, after flushing, stop recoil pump 6, close backwash gas
Dynamic valve 16, back-purge system are in standby, and suction system is also at standby mode.
(2) it is switched to aeration method provided by the invention (variable aeration mode) operation MBR
Aeration debugging is carried out first
The output frequency for reducing frequency converter 2 makes the air demand of air blower 1 be 0.8NXm3/h；All membrane cisternas 10 are divided and are
Two equal big group T1 groups of quantity and T2 group, membrane cisterna can be spaced grouping and also continuously be grouped.On all membrane cisterna aeration branch pipes 17
Supervisor's hand-operated valve 141 and supervisor's pneumatic operated valve 14 are in full-gear；Air blower gas supply is opened, supervisor's hand-operated valve 141 is adjusted, makes
Each membrane cisterna aeration quantity is almost the same and aeration is uniform；All supervisor's pneumatic operated valves 14 of T1 group membrane cisterna are closed, the branch of T2 group is opened
Pipe pneumatic operated valve 13 adjusts the branch pipe hand-operated valve 131 being connected with branch pipe pneumatic operated valve 13, so that the membrane cisterna aeration quantity basic one in T2 group
It causes and aeration is uniform；All supervisor's pneumatic operated valves 14 of T1 group membrane cisterna are opened, the supervisor's pneumatic operated valve 14 and branch pipe pneumatic operated valve of T2 group are closed
13, the branch pipe hand-operated valve 131 in T1 group membrane cisterna is adjusted, so that the membrane cisterna aeration quantity in T1 group is almost the same and aeration is uniform；
Run MBR
5 intermittent duty of suction pump is set, pumping stops stopping than taking out than being 8 minutes: 100 seconds.During suction pump intermittent duty,
Execute following steps:
A) when suction pump 5 is in operating status, supervisor's hand-operated valve 141 on all membrane cisterna aeration branch pipes 17 is in entirely
Open state, and all branch pipe pneumatic operated valves 13 are in full off state, the aeration quantity of each membrane cisterna is 0.8Xm3/h；
When b) during suction pump 5 is in stopping, closing suction pump 5 and simultaneously close off suction pneumatic operated valve 15, in front half section
All supervisor's pneumatic operated valves 14 in interior closing T1 group, so that the aeration quantity of each membrane cisterna 10 reaches 1.6Xm in T2 group3/ h, can be with
The synchronous interior all branch pipe pneumatic operated valves 13 of T2 group of opening are to reduce the resistance of ducting；In latter half, branch pipe gas in T2 group is closed
Dynamic valve 13 is opened in T1 group after all supervisor's pneumatic operated valves 14, closes all supervisor's pneumatic operated valves 14 in T2 group, so that each in T1 group
The aeration quantity of membrane cisterna reaches 1.6Xm3/ h can be synchronized and be opened the interior all branch pipe pneumatic operated valves 13 of T1 group to reduce the resistance of ducting；
C) a, b step are repeated.
D) it when membrane cisterna membrane module needs to backwash, is carried out by the cleaning frequency and washing time of setting by cleaning procedure.Clearly
Washing procedure are as follows: the stopping of suction pump 5 simultaneously closes off suction pneumatic operated valve 15, opens backwash pneumatic operated valve 16, starts backwashing pump 6；It is setting
Time in backwash membrane module, after flushing, stop starting backwashing pump 6, backwash pneumatic operated valve 16 closed, at back-purge system
In standby mode, suction system is also at standby mode.
After lasting aeration mode operation MBR system 60 days (d) is respectively adopted, then using aeration method provided by the invention fortune
Row MBR system 60 days；The pollution condition for using two kinds of method of operation membrane modules is investigated, the index for the fouling membrane investigated is TMP
(transmembrane pressure, Transmembrane Pressure), the numerical value of TMP is bigger, illustrates that fouling membrane is more serious；As a result such as Fig. 2 institute
Show:
From figure 2 it can be seen that with lasting aeration mode ratio, energy-saving and aerating method (variable aeration side provided by the invention
Formula), aeration quantity is not only reduced, and the effect of lessening membrane fouling is more obvious.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
Each embodiment in this specification is all made of relevant mode and describes, same and similar portion between each embodiment
Dividing may refer to each other, and each embodiment focuses on the differences from other embodiments.Especially for system reality
For applying example, since it is substantially similar to the method embodiment, so being described relatively simple, related place is referring to embodiment of the method
Part explanation.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the scope of the present invention.It is all
Any modification, equivalent replacement, improvement and so within the spirit and principles in the present invention, are all contained in protection scope of the present invention
It is interior.
Claims (9)
1. a kind of membrane module energy-saving and aerating method of MBR system, which is characterized in that the MBR system includes N number of membrane cisterna, gas supply
General pipeline, at least one air blower with frequency converter, N set water outlet suction system and outfall sewer, wherein N is integer, and N >=2；
It include M group membrane module in each membrane cisterna；Every group of membrane module has aerator and captation, and wherein M is integer, and M >=
1；
A membrane cisterna aeration branch pipe is arranged in each membrane cisterna, and all aerators in each membrane cisterna control hand by membrane module tolerance
Dynamic valve is connected with the membrane cisterna aeration branch pipe of the membrane cisterna, and each membrane cisterna aeration branch pipe passes through one group of supervisor's control valve group in parallel
It is connected with branch pipe control valve group with air supply header, supervisor's control valve group includes that concatenated supervisor's hand-operated valve and supervisor are pneumatic
Valve, the branch pipe control valve group include concatenated branch pipe hand-operated valve and branch pipe pneumatic operated valve；
At least one described air blower with frequency converter passes through gas coutrol valve and first check-valve and is connected with air supply header, and
On the pipeline that at least one described air blower with frequency converter is connected with air supply header, a gas flowmeter and gas are set
Flowmeter control valve, the gas flowmeter and gas flowmeter control valve are for determining at least one described drum with frequency converter
The tolerance that blower is conveyed to air supply header；
Each membrane cisterna is furnished with a set of water outlet suction system, and every set water outlet suction system includes suction branch and suction pump；
One end of each suction branch is connected by each captation in the hand-operated valve that catchments membrane cisterna corresponding with the suction branch
It connects；The other end of each suction branch is connected by aspirating control valve group with the water inlet of suction pump, the suction control valve group
Including suction hand-operated valve and suction pneumatic operated valve；The water outlet of suction pump passes through second check-valve, outlet water control valve, water flow meter
It is connected with outfall sewer；
Suction pump intermittent duty sets time that suction pump is aspirated every time as t1, the time that suction pump stops every time is t2, suction
When pump stops, the suction pneumatic operated valve on suction branch is closed；
It is Xm that aeration quantity is cleaned when setting is using aeration mode is continued, required for each membrane cisterna3/ h, then using lasting aeration side
It is NXm that air blower, which is supplied to total scouring aeration quantity of N number of membrane cisterna, when formula3/h；
The aeration method includes:
Keep the branch pipe hand-operated valve of all membrane cisterna aeration branch pipes in the open state, and branch pipe pneumatic operated valve is in the completely closed state；
Keep supervisor's hand-operated valve and the supervisor's pneumatic operated valve of all membrane cisterna aeration branch pipes in the open state；
The air quantity of air blower output is adjusted, so that total scouring aeration quantity that the air blower is supplied to N number of membrane cisterna is (0.6-
0.8)NXm3/h；Adjusting supervisor's hand-operated valve makes each membrane cisterna scouring aeration quantity obtained be (0.6-0.8) Xm3/h；
After opening all branch pipe pneumatic operated valves, all supervisor's pneumatic operated valves are closed, branch pipe hand-operated valve is adjusted and each membrane cisterna is obtained
Scouring aeration quantity be (0.6-0.8) Xm3/h；All supervisor's pneumatic operated valves are opened, and close all branch pipe pneumatic operated valves；
When suction pump is in the t of aspiration phases1In time, locate supervisor's pneumatic operated valve on the membrane cisterna aeration branch pipe of all membrane cisternas
In full open position, so that each membrane cisterna scouring aeration quantity obtained is (0.6-0.8) Xm3/h；
When suction pump is in the t of halted state2In time,
Preceding 1/2t2Time, supervisor's pneumatic operated valve of part membrane cisterna is made to be in full open position, all supervisors of remaining membrane cisterna are pneumatic
Valve successively execute completely close, keep completely closed state, completely open movement, and make holding completely closed state when
Between also be 1/2t2-2t3；So that the scouring aeration quantity that the part membrane cisterna obtains is greater than Xm3/ h, duration 1/2t2-2t3；
1/2t afterwards2In time, selected part membrane cisterna, is in the supervisor's pneumatic operated valve for the part membrane cisterna chosen again and beats completely again
Open state, all supervisor's pneumatic operated valves of remaining membrane cisterna after choosing again, which successively execute, to be completely closed, keeps completely closed state,
Completely open movement, and make the time 1/2t for keeping completely closed state2-2t3；So that the part membrane cisterna chosen again obtains
The scouring aeration quantity obtained is greater than Xm3/ h, duration 1/2t2-2t3；
Again the part membrane cisterna and preceding 1/2t chosen2The part membrane cisterna chosen in time is at least not exactly the same；
t3It is supervisor's pneumatic operated valve from completely closed state to full open position, or from full open position to completely closing shape
Time required for state.
2. the aeration method of MBR system as described in claim 1, which is characterized in that the part membrane cisterna described selects again
The quantity of the part membrane cisterna taken is less than or equal to the half of the total quantity of membrane cisterna.
3. the aeration method of MBR system as described in claim 1, which is characterized in that N is even number, and N number of membrane cisterna is divided into
The identical T1 group of membrane cisterna quantity and T2 group；
When suction pump is in the t of halted state2In time,
Preceding 1/2t2Time makes all supervisor's pneumatic operated valves in T2 group still in full open position, makes all supervisors in T1 group
Pneumatic operated valve successively executes and completely closes, keeps completely closed state, completely open movement, and makes to keep completely closed state
Time be 1/2t2-2t3；So that the scouring aeration quantity that each membrane cisterna obtains in T2 group reaches (1.2-1.6) Xm3/ h continues
Time is 1/2t2-2t3；
1/2t afterwards2In time, so that all supervisor's pneumatic operated valves in T1 group is in full open position, make all supervisors in T2 group
Pneumatic operated valve, which successively executes, to be completely closed, keeps completely closed state, completely open movement, and makes to keep completely closed state
Time is 1/2t2-2t3；So that the scouring aeration quantity that each membrane cisterna obtains in T1 group reaches (1.2-1.6) Xm3/ h, when continuing
Between be 1/2t2-2t3。
4. the aeration method of MBR system as described in claim 1, which is characterized in that N is odd number, and N number of membrane cisterna is divided into
T3 group and T4 group；The quantity of membrane cisterna is n in T3 group, and T3 differs one with the membrane cisterna quantity in T4 group；
When suction pump was in the t2 time of halted state,
Preceding 1/2t2Time makes all supervisor's pneumatic operated valves in T4 group still in full open position, makes all supervisors in T3 group
Pneumatic operated valve, which successively executes, to be completely closed, keeps completely closed state, completely open movement, and makes to keep completely closed state
Time is 1/2t2-2t3；So that
Duration is 1/2t2-2t3；1/2t afterwards2In time, so that all supervisor's pneumatic operated valves in T3 group is in full open position, make
All supervisor's pneumatic operated valves in T4 group, which successively execute, to be completely closed, keeps completely closed state, completely open movement, and makes to protect
The time for holding completely closed state is 1/2t2-2t3；So that
Duration is 1/2t2-2t3。
5. the aeration method of MBR system as described in claim 1, which is characterized in that within the t2 time, all membrane cisternas are exposed
The branch pipe pneumatic operated valve of gas branch pipe completely closes when its corresponding supervisor's pneumatic operated valve is not carried out, keeps completely closed state, completely
When the movement of opening, branch pipe pneumatic operated valve execution fully opens, keeps full open position, the movement completely closed；And it executes
The branch pipe pneumatic operated valve of movement is synchronous with supervisor's pneumatic operated valve that execution acts.
6. the aeration method of MBR system according to any one of claims 1 to 5, which is characterized in that include in each membrane cisterna
Membrane module quantity M be even number.
7. the aeration method of MBR system according to any one of claims 1 to 5, which is characterized in that suction pump is aspirated every time
Time t1It is 4-13 minutes；The time t that suction pump stops every time2It is 1.5-2 minutes.
8. the aeration method of MBR system according to any one of claims 1 to 5, which is characterized in that supervisor's pneumatic operated valve is from complete
Full closing state to full open position, or from full open position to completely closed state required for time t3It is 1 second.
9. the aeration method of MBR system as described in claim 1, which is characterized in that the MBR system further includes water inlet manifold
Back-purge system is covered with N, every set back-purge system includes backwashing pump and membrane cisterna water inlet pipe；One end of each membrane cisterna water inlet pipe
It is connected with water inlet manifold；The other end of each membrane cisterna water inlet pipe is connected by water inlet control valve with the water inlet of backwashing pump,
The water outlet of backwashing pump accesses on suction branch after flow control valve, third check-valves, backwash flowmeter, backwash pneumatic operated valve
Suction pneumatic operated valve front end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910170971.3A CN110015751B (en) | 2019-03-07 | 2019-03-07 | Membrane component energy-saving aeration method of MBR system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910170971.3A CN110015751B (en) | 2019-03-07 | 2019-03-07 | Membrane component energy-saving aeration method of MBR system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110015751A true CN110015751A (en) | 2019-07-16 |
| CN110015751B CN110015751B (en) | 2022-04-29 |
Family
ID=67189278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910170971.3A Active CN110015751B (en) | 2019-03-07 | 2019-03-07 | Membrane component energy-saving aeration method of MBR system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110015751B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110734139A (en) * | 2019-10-25 | 2020-01-31 | 博天环境集团股份有限公司 | Membrane bioreactor and sewage treatment process |
| CN111875041A (en) * | 2020-07-20 | 2020-11-03 | 杭州易膜环保科技有限公司 | Energy-saving and efficient MBR process operation method for peak shifting operation |
| CN113213623A (en) * | 2021-06-15 | 2021-08-06 | 济南槐荫尘峰环保技术开发中心 | MBR (membrane bioreactor) flat membrane system and control method |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BR9600652A (en) * | 1995-03-27 | 1997-12-30 | Zenon Environmental Inc | Single-phase process to continuously biochemically biodegrade an oxidizable organic material and bi-phasic process of continuous biodegradation of biochemically oxidizable material |
| WO2006029635A2 (en) * | 2005-12-05 | 2006-03-23 | Lars Ekeroth | Process for intensified, biological (waste-)water treatment in an mbr |
| CN201932952U (en) * | 2011-02-15 | 2011-08-17 | 天津天一爱拓科技有限公司 | Membrane bio-reactor (MBR) device capable of intermittently eroding aerated gas |
| CN202785797U (en) * | 2012-06-12 | 2013-03-13 | 浙江开创环保科技有限公司 | Novel MBR (Membrane Bioreactor) integrated machine |
| CN203558908U (en) * | 2013-11-12 | 2014-04-23 | 深圳市凯宏膜环保科技有限公司 | Experimental apparatus of membrane bioreactor |
| CN103936138A (en) * | 2014-05-07 | 2014-07-23 | 中国水电顾问集团中南勘测设计研究院有限公司 | Aeration system of MBR (Membrane Bio-Reactor) membrane module and control method of aeration system |
| CN104108784A (en) * | 2014-08-07 | 2014-10-22 | 赵曙光 | Simple variable aeration technology in MBR (membrane bioreactor) |
| EP2919892A1 (en) * | 2012-11-14 | 2015-09-23 | General Electric Company | Method for scouring immersed membranes using a open bottom multiple channel delivery device |
| CN108163971A (en) * | 2018-01-18 | 2018-06-15 | 博天环境集团股份有限公司 | A kind of MBR energy-saving and aeratings device and aeration method |
| CN108892331A (en) * | 2018-08-16 | 2018-11-27 | 天津碧水源膜材料有限公司 | The MBR effluent treatment plant of intelligent integral |
| CN108975520A (en) * | 2018-08-17 | 2018-12-11 | 贵州迈博润科技有限公司 | Novel all-in-one MBR oil conte, sewage treatment device |
-
2019
- 2019-03-07 CN CN201910170971.3A patent/CN110015751B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BR9600652A (en) * | 1995-03-27 | 1997-12-30 | Zenon Environmental Inc | Single-phase process to continuously biochemically biodegrade an oxidizable organic material and bi-phasic process of continuous biodegradation of biochemically oxidizable material |
| WO2006029635A2 (en) * | 2005-12-05 | 2006-03-23 | Lars Ekeroth | Process for intensified, biological (waste-)water treatment in an mbr |
| CN201932952U (en) * | 2011-02-15 | 2011-08-17 | 天津天一爱拓科技有限公司 | Membrane bio-reactor (MBR) device capable of intermittently eroding aerated gas |
| CN202785797U (en) * | 2012-06-12 | 2013-03-13 | 浙江开创环保科技有限公司 | Novel MBR (Membrane Bioreactor) integrated machine |
| EP2919892A1 (en) * | 2012-11-14 | 2015-09-23 | General Electric Company | Method for scouring immersed membranes using a open bottom multiple channel delivery device |
| CN203558908U (en) * | 2013-11-12 | 2014-04-23 | 深圳市凯宏膜环保科技有限公司 | Experimental apparatus of membrane bioreactor |
| CN103936138A (en) * | 2014-05-07 | 2014-07-23 | 中国水电顾问集团中南勘测设计研究院有限公司 | Aeration system of MBR (Membrane Bio-Reactor) membrane module and control method of aeration system |
| CN104108784A (en) * | 2014-08-07 | 2014-10-22 | 赵曙光 | Simple variable aeration technology in MBR (membrane bioreactor) |
| CN108163971A (en) * | 2018-01-18 | 2018-06-15 | 博天环境集团股份有限公司 | A kind of MBR energy-saving and aeratings device and aeration method |
| CN108892331A (en) * | 2018-08-16 | 2018-11-27 | 天津碧水源膜材料有限公司 | The MBR effluent treatment plant of intelligent integral |
| CN108975520A (en) * | 2018-08-17 | 2018-12-11 | 贵州迈博润科技有限公司 | Novel all-in-one MBR oil conte, sewage treatment device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110734139A (en) * | 2019-10-25 | 2020-01-31 | 博天环境集团股份有限公司 | Membrane bioreactor and sewage treatment process |
| CN111875041A (en) * | 2020-07-20 | 2020-11-03 | 杭州易膜环保科技有限公司 | Energy-saving and efficient MBR process operation method for peak shifting operation |
| CN113213623A (en) * | 2021-06-15 | 2021-08-06 | 济南槐荫尘峰环保技术开发中心 | MBR (membrane bioreactor) flat membrane system and control method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110015751B (en) | 2022-04-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110015751A (en) | A kind of membrane module energy-saving and aerating method of MBR system | |
| CN206915837U (en) | A kind of MBR film sewage treatment devices | |
| CN102942261B (en) | Water-saving reverse-osmosis water purifier | |
| CN104211203A (en) | Bittern or seawater ultrafiltration pre-treatment process and system | |
| CN203591697U (en) | Ultra-filtration membrane component with air-water back washing device | |
| CN203461899U (en) | Leakage-proof water-saving water purifier | |
| CN205990637U (en) | A kind of secondary water supply system with purification function | |
| CN108163971A (en) | A kind of MBR energy-saving and aeratings device and aeration method | |
| CN205598977U (en) | RO membrane segmentation belt cleaning device | |
| CN203173901U (en) | Water purifier and impulse type waste water discharge device thereof | |
| CN104140172A (en) | Seawater desalination pretreatment method | |
| CN209815820U (en) | Water purification machine with adjustable discharge | |
| CN215517105U (en) | Sewage treatment equipment with novel dosing tank water charging system | |
| CN210964658U (en) | Pure water washing and purifying system and water purifying equipment | |
| CN210163181U (en) | Two-way alternating water purification machine membrane filtration system | |
| CN206289690U (en) | Energy-saving type purification of water quality is without negative pressure secondary water system | |
| CN205710175U (en) | A kind of film processes sewage assay device | |
| CN201959726U (en) | Electrodialysis circulating serially-connected dynamic backup-operating system device | |
| CN207918497U (en) | Without electricity without bucket No-wastewater water purifier | |
| CN109851048A (en) | SBR-MBR integrated effluent disposal system and sewage water treatment method | |
| CN106115850B (en) | A kind of gravity type hollow-fiber module membrane cisterna of six valve systems driving | |
| CN208878303U (en) | A kind of novel MBR waterpower back-purge system | |
| CN216856310U (en) | Ultrafiltration membrane module unit | |
| CN202936266U (en) | Water-saving reverse osmosis water purifier | |
| CN214597666U (en) | Water purification pretreatment system with backwashing function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |