CN104843945B - A kind of Novel low-consumption MBR sewage disposal outfits - Google Patents
A kind of Novel low-consumption MBR sewage disposal outfits Download PDFInfo
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Abstract
The Novel low-consumption MBR sewage disposals outfit that the present invention is provided mainly is made up of Novel low-consumption MBR sewage outfit and tele-control system two parts, and sewage sequentially passes through fine fack, stabilization pond, regulating reservoir, elevator pump, fully automatic cleaning filter, integrated A 2/O MBR reaction tanks, suction pump, ultraviolet sterilizer, middle pond into after MBR sewage outfits；The new configuration in integrated A 2/O MBR ponds can not only obtain higher denitrogenation dephosphorizing efficiency, can also reduce by more than 50% aeration rate；Using the simple variable aerating method of electric T-shaped valve, overall aeration rate is made to reduce more than 50% again；New configuration is combined with variable aerating method, and the aeration rate of the MBR sewage outfits is original 25 30%, with the characteristics of high-efficient denitrification and dephosphorization, occupation of land little and low energy consumption；Using tele-control system, using Internet network strange land data processing function, tens, even up to a hundred MBR outfits can be managed concentratedly, live outfit can unmanned, solve the problems, such as later maintenance.
Description
Technical field
Novel low-consumption MBR sewage disposal outfits, are related to the mental retardation energy of a kind of optimization configuration and variable aerating method
Consumption MBR sewage disposals equipment and tele-control system method, the equipment have low energy consumption, high-efficient denitrification and dephosphorization function, occupation of land little
And Operation Administration and Maintenance is the characteristics of facilitate.The invention belongs to technical field of sewage, more particularly to MBR sewage disposals are into suit
Standby technology.
Background technology
Conventional MBR (Membrane Bioractor, membrane bioreactor) is a kind of by membrane separation technique and traditional biological
The combined sewage treatment process of processing unit.The technique substitutes the second pond in conventional activated sludge process using membrance separation and enters
Row mud-water separation, compared with traditional activated sludge process, with such as floor space is little, effluent quality is excellent, anti-shock loading energy
Power is strong, the superiority such as high volumetric loading.But as membrane material price height causes construction investment big；Membrane material unreasonable structure is led
Cause membrane lifetime low；MBR reactor design defect causes its high energy consumption.Above-mentioned three big defect makes conventional MBR operating costs and Shui Chu
Reason cost is raised, and seriously hinders the popularization and application of conventional MBR.Moreover, China cities and towns and rural sewage treatment station belong to
Point source of pollution, its distribution are wide, and monomer treatment scale is little, faces unstable water quality or not up to standard and energy consumption and manpower, maintenance cost
High the problems such as.Big-and-middle-sized sewage treatment facility there is also the problems such as intelligence degree is low, management personnel are more, management cost is high.Newly
Type low energy consumption MBR sewage disposals outfit and tele-control system are because with following features：Energy consumption is low, takes up an area little, water outlet water
Matter stably reaching standard, using can unattended tele-control system, it is possible to resolve above-mentioned point source of pollution governing problem, is pushed away rapidly
It is wide to apply.
For maintain routine MBR normal operation, employ lasting aeration method maintain face it is high wash away cross-flow velocity
Carry out lessening membrane fouling.Lasting aeration rate should be the minimum cross-flow velocity requirement aeration rate of guarantee face and Aeration tank is biochemical normal anti-
The peak of aeration rate that should be required, and the former is more than 3 times of the latter, i.e. routine MBR is conventional activated sludge process
More than 3 times of required aeration rate.
Conventional MBR adopts perforated pipe aerating regulation mostly, and the oxygen transfer efficiency of the aeration mode is low, less than 17%, and film
The effective rate of utilization of the aeration energy consumption that face is washed away is less than 30%, therefore aeration energy consumption is huge, but utilization rate is not high；Moreover,
Cause in reaction tank strict aerobic in MBR ponds as aeration rate is huge, fail to be formed the necessary anaerobic/anoxic of denitrogenation dephosphorizing and good
Oxygen Hydraulic Circulation condition, causes denitrogenation dephosphorizing efficiency very low, is close to zero.There is the conventional MBR of denitrogenation dephosphorizing function at present
Technique still forms Hydraulic Circulation to improve the effect of its denitrogenation dephosphorizing using pump reflux sludge to preposition anaerobic pond, anoxic pond
Really, floor space is not only increased, demands of the conventional MBR to energy consumption is more increased.Conventional MBR with denitrogenation dephosphorizing simply exists
Membrane separating process be increased on traditional A2/O, secondary sedimentation tank is instead of, although improve sludge concentration reduces occupation of land face
Product, but the high operating cost of the aeration energy consumption generation in running and cleaning agent consumption, high price membrane material, membrane module replacing
Produced maintenance cost with high investment and high, has counteracted its superiority, seriously hinders pushing away for conventional MBR technology
It is wide to apply.Although the engineering example more than the ton, the problems referred to above still exist, are not solved at all
Certainly.
Advance with the acceleration of national urbanization, beautiful China, beautiful rural area, smart city, widely distributed point source of pollution
Progressively must be governed.Miniature Sewage Farm will be in full flourish, and the complete sewage equipment technologies of MBR are because taking up an area little, water outlet water
Matter stablizes excellent, can exhibit one's skill to the full wherein.Disposed according to national strategy and funding arrangement, the investment of Miniature Sewage Farm is built
Rhetoric question topic is easier to solve, but later maintenance management is more essence and prominent sex chromosome mosaicism.
For conventional MBR high energy consumptions, denitrification dephosphorization technique complexity, small-scale sewage processing equipment later maintenance difficult management etc.
Problem, has invented this Novel low-consumption MBR sewage disposals outfit and long distance control system, and this is equipped in conventional MBR techniques
On the basis of, it is reducing energy consumption, improves denitrogenation dephosphorizing ability, be easy to later maintenance management aspect, has carried out four big innovations (1) first
The outfit process innovation for entering.The technique is enterprising on the MBR mini engineerings summary of experience basis for administering point source sewage for many years
Innovation is gone, by the anaerobic pond of traditional denitrogenation dephosphorizing, anoxic pond, Aerobic Pond, merging into a single whole A2./O-MBR ponds, three ponds
Unification pond, and cancel sludge reflux, its technological process is simple and practical, strong adaptability.(2) MBR structure of reactor innovation.Using leading
MBR ponds are separated into aerobic zone, hypoxic/anaerobic area by stream plate, and switching traffic size is provided between aerobic zone and hypoxic/anaerobic area
Controllable passage, being integrally formed A2./O-MBR ponds configuration.Aeration effect under, sludge in aerobic zone, hypoxic/anaerobic not
Disconnected circulation exchange, cycles through aerobic, hypoxic/anaerobic environment, forms the hydraulics of denitrogenation dephosphorizing, obtains efficient denitrogenation and removes
Phosphorus ability.Moreover, experiment finds that when aeration rate reduces by 50%, membrane module area upflow velocity is basically unchanged the reaction tank,
Can run under low aeration rate, therefore the structure can make its aeration rate reduce by 50%；(3) using the simple variable aeration of innovation
Method.Substituted using variable aeration and continue aeration, overall aeration rate can reduce by more than 50%.Structure of reactor innovative technology and wound
New variable aeration process superposition, aeration rate can be reduced to original 25-30%, suitable with traditional activated sludge process.Therefore
The characteristics of Novel low-consumption MBR sewage disposal outfits have high-efficient denitrification and dephosphorization function, take up an area little and low energy consumption.(4)
The tele-control system of innovation.Tele-control system can be by tens, even up to a hundred MBR sewage disposal outfit concentrate tubes
Reason.The data and live view of each MBR sewage disposal outfit are directly uploaded to remotely by Internet network technology
Control administrative center, center are analyzed to data and process, send parameter instruction in time, adjust running status, and according to need
Professional to be dispatched makes each MBR sewage disposals outfit in system run and safeguard specialized, monitoring to on-site maintenance
Real time implementation, greatly reduces attendant's quantity and maintenance cost, solves scattered numerous sewage treatment plants (station) operation pipe
Reason problem.The invention belongs to technical field of sewage, more particularly to integrated film bioreactor.To solve scattered causing
The point source problem of water body serious eutrophication and existing sewage treatment plant carry mark upgrading and provide key technology.
The content of the invention
It is an object of the invention to provide a kind of Novel low-consumption MBR sewage disposal outfits, including Simplified flowsheet stream
Journey, the MBR reactor configurations of optimization are integrated into using the innovative technology such as simple variable aeration process and outfit tele-control system
The sewage disposal outfit of one.Aeration rate can be reduced to the 25-30% of conventional MBR, the energy consumption with traditional activated sludge process
Quite, while the characteristics of there is high-efficient denitrification and dephosphorization ability, take up an area little, unmanned.
For achieving the above object, the present invention provide Novel low-consumption MBR sewage disposals outfit mainly by equipment and
Tele-control system two parts are constituted, wherein：
The technological process of Novel low-consumption MBR sewage disposal outfits is：Fine fack --- stabilization pond --- is adjusted
--- --- --- integrated A 2/O-MBR reaction tanks --- suction pump --- is ultraviolet to disappear for fully automatic cleaning filter for elevator pump in pond
Malicious device --- middle pond；
The time of staying of the sewage in stabilization pond, regulating reservoir, integrated A 2/O-MBR reaction tanks be respectively 2-3h, 4-7h,
6-10h；Above-mentioned cell body is made with fiberglass or anti-corrosion carbon steel or steel concrete；Elastic filler is provided with stabilization pond；Set in regulating reservoir height,
Low two liquid levels, set high, medium and low three liquid levels in integrated A 2/O-MBR ponds.
MBR reaction tanks are divided into two parts by the two pieces of deflectors that are configured as of integrated A 2/O-MBR reaction tanks, and middle part is
Funnel-form fall for rising area in up-small and down-big folded by between deflector, both sides deflector is to decline area with region folded by pool wall；
Membrane module is installed in the Upper vertical region of rising area and constitutes membrane module area, the region structure that rising area lower bevel is surrounded with bottom of pond
Into aeration zone, aerator is installed on higher than at bottom of pond 10cm；Membrane module area is 1 with the width ratio of cell body：3-6, highly than for
1：2-2.5；Several exchange current control valves, deflector bottom and pool wall on deflector above 5-10cm of membrane module top
20-50cm gaps rising area and decline the upper and lower passage that exchanges of sludge between area when being respectively aeration；
There is a set of aerator immediately below each membrane module, two sets of alternate aerators are interconnected, so as to what is formed
Two aerator air supply headers Q1, Q2 are connected with two outlets B, C of L-type electric T-shaped valve respectively；Blower export house steward
It is connected with L-type electric T-shaped valve import A, constitutes simple variable aerating system；
Often cover MBR sewage disposals outfit and its automatic running is controlled using PLC, PLC passes through its RS485 interface and touches
Touching screen carries out data exchange, can show and change its data on touch screen；Often covering MBR sewage disposals outfit outfit 1 can
The infrared camera of floor video pictures and 1 technical grade slave station communication module；
Tele-control system framework is to be formed by connecting with several slave stations by Internet network by 1 main website；Main website
By 1 computer, 1 live video view display, 1 technical grade main website communication module, 1 record of the camera shooting and video with hard disk
Camera is constituted, and main frame therein, camera shooting and video videocorder pass through technical grade main website communication module and Internet network
It is connected；Often cover MBR sewage disposals and be equipped for 1 slave station, PLC extension communication modules therein and infrared camera pass through technical grade
Slave station communication module is connected with Internet network；Each slave station has unique network address, and master station computer passes through
The network address of Internet network agreement and slave station carries out showing, store, exchange, change and switching to the data of slave station, from
And realize the remotely control to slave station；The live video view display of main website can show and switch that the live video of slave station is drawn
Face, and store the data in the hard disk of camera shooting and video videocorder.
Described data include equipment running status and parameter, live video picture；
The pore size filter of the fine fack and fully automatic cleaning filter is 1-2mm；
The fully automatic cleaning filter is that the impurity in sewage is deposited in filter on stainless steel filtering net, intake-outlet
Pressure reduction will be produced, when the differential reaches a set point, by pressure switch signal, actuating motor drives brush rotation, to filter
Net is cleaned, while opening blowoff valve blowdown, blowdown is closed blowoff valve after finishing, moves in circles and complete the dress of said process
Put.
Each described membrane module includes several diaphragms, and its frame peripheral is not closed, and diaphragm is hollow-fibre membrane or flat
Plate film；The collector pipe of each membrane module is connected with water header by loose joint and valve, water header and suction pump water inlet pipe
It is connected；Each membrane module is independent water process operating unit.
Described aerator is " rich " font boring aeration pipe or microporous aeration disc or micropore aeration pipe, or boring aeration
The combination of pipe and microporous aeration disc, or the combination between boring aeration pipe and micropore aeration pipe.
The switching time that flows to of described L-type electric T-shaped valve is less than 12 seconds.
The liquid level signal can adopt float switch or ultrasonic level gage, called putting-into-type liquid level meter to obtain.
The suction pump is run using cyclical intermission, is taken out, is 4min between the stopping time:1min.
The present invention proposes Novel low-consumption MBR sewage disposals outfit and tele-control system, including following principle：
Nitric efficiency formula and airlift circulation principle, structure of reactor know-why, variable aeration principle, remotely control principle.
Nitric efficiency formula is：
η %=R/ (1+R)
From formula：Nitric efficiency and return sludge ratio R positive correlations, R are bigger, and η % are higher for nitric efficiency, when R tends to
When infinity, the efficiency of denitrogenation is intended to 100%.
Airlift circulation principle is：Mixed liquor inside and outside deflector causes density variation spontaneous in aeration rate difference
Continuously circulated under motive force effect, activated sludge constantly cycles through aerobic, anoxia, anaerobism ring in the process
By CFD analog results, border, shows that R is very big, fully meet requirement of the high denitrification percent to high R.Moreover, using gas lift
Circulation also replaces power consumption of traditional sludge circulation using pump, so as to substantially reduce energy consumption.
Structure of reactor know-why：Using the integrated A 2/O-MBR reactors of new configuration, under aeration effect, water conservancy diversion
Self-assembling formation rising area between plate, between aerobic state, the deflector and pool wall of both sides, self-assembling formation declines area, by adjusting
Section top exchange current control valve 16 controls to decline area's DO concentration, decline area can be made to form anaerobic/anoxic state, followed in gas lift
Under ring effect, activated sludge constantly experiences aerobic, anoxia, anaerobic state by the upper and lower passage that sludge is exchanged, and forms denitrogenation and removes
The Hydraulic Circulation state of phosphorus, therefore the reaction tank has denitrogenation dephosphorizing function, denitrogenation dephosphorizing efficiency and the exchange current for controlling
Amount and rising area are relevant with the allocation proportion for declining area.
Test result indicate that：Up to more than 85%, dephosphorization efficiency is the nitric efficiency of integrated A 2/O-MBR reaction tanks
More than 80%, stable effluent quality reaches《Urban wastewater treatment firm pollutant emission standard》GB18918-2002 one-level A standards
(referring to document：Jiang Zhichen, Zhao Shuguang, Fan Yaobo, Xu Dongyao. in the sewage of novel all-in-one Membrane Bioreactor for Wastewater Treatment mining area
Examination research [J]. water technology, 2015,41 (2) 67-70)；Moreover, the structure aeration rate reduce by more than 50% when,
Membrane module area upflow velocity is basically unchanged, i.e., the structure can reduce by 50% aeration rate (referring to document：Zhao Shuguang, Jiang Zhichen, Xu Dong
Credit, Fan Yaobo. novel all-in-one A2/O-MBR aerations efficiency research [J]. water technology, 2014,40 (12):79-82).
Variable aeration principle is：By all of N membrane modules in MBR system be divided into the M1 groups containing 1/2N membrane module and
The air demand of aerator is distributed to M1 groups, M2 groups using Dynamoelectric dividing valve by M2 groups.In MBR system running, at electronic point
Under stream valve action, membrane module original continuous aeration is changed to into variable aeration, aeration total amount is from original NXm3/ h is reduced to 1/
2NXm3/ h, so as to reach save aeration consumption more than 50%.The switching time of Dynamoelectric dividing valve is less than 12 seconds, is optimal
Switching time, nitric efficiency highest now.
Structure technology and variable aerating method combine, and not only make aeration rate be reduced to original 25-30%, also make new
The characteristics of type low energy consumption integrated A 2/O-MBR reactors have high-efficient denitrification and dephosphorization, take up an area little and low energy consumption.Reach configuration with
The perfect adaptation of function.
In practical engineering application, membrane module is located at reactor head and simplifies design with film framework, is easy to synthetic membrane to install
With the safety operation of cleaning.
Remotely control principle is：By Internet network strange land data transfer, exchange, modification function, can by tens,
Even up to a hundred MBR sewage disposals outfit centralized management.The data and live view of each MBR sewage disposal outfit
Remote control management center is directly uploaded to, center is analyzed to data and process, sends parameter instruction, adjustment operation in time
State, and professional is dispatched as needed to on-site maintenance, make sewage treatment plant in system (station) operation and safeguard specialized,
Monitoring real time implementation, greatly reduces attendant's quantity and maintenance cost, solves scattered numerous sewage treatment plants (station) fortune
Row problem of management.
In sum, Novel low-consumption MBR sewage disposals outfit and tele-control system can in principle and technology
Can be realized in engineering completely.
It is of the invention compared with existing conventional MBR sewage disposals outfit technology, with advantages below and salience effect：
(1) energy consumption is low
Energy consumption is only conventional MBR technology (1-1.2kWh/m3) 25-30%, reached the international advanced of the technology energy consumption
Level (0.3-0.5kWh/m3)；
(2) occupation of land is little, and effluent quality is excellent
Project occupation of land area more than 50% is reduced than traditional activated sludge process, floor space 10- is saved than conventional MBR engineerings
15%；Stable effluent quality reaches《Urban wastewater treatment firm pollutant emission standard》GB18918-2002 one-level A standards；
(3) it is simple to operation
Cleaning frequency membrane low (1 on-line cleaning of half a year), labor intensity is low.It is simple to operation；High degree of automation, can
The remote control management, realizes unmanned；Heavy construction is capable of achieving automatic on-line cleaning；
(4) vortex is washed away
Jing is well-designed, CFD (Fluid Mechanics Computation) simulation cloud atlas show, reactor intimal surface from original fluid to
Upper straight line washes away and is changed into straight line and is vortexed washing away jointly, and face scouring effect greatly improved；
(5) strong adaptability
Blocking, modularity, standardized designs make its more adapt to large, medium and small various sewage treatment project and transformation first,
Secondary sewage treatment plant's (station), is easy to be promoted in large, medium and small cities and towns and rural area rapidly；Using remotely control, can by tens, very
To up to a hundred MBR sewage disposals outfit centralized management.Make sewage treatment plant in system (station) operation and safeguard specialized, prison
Control real time implementation, not only MBR sewage disposals outfit unmanned, has been greatly reduced attendant's quantity and maintenance cost,
Solve the problems, such as the operational management of scattered numerous sewage treatment plants (station).
(6) low engineering cost, operating cost are low
In a word, the complete set technology possesses low energy consumption, high denitrogenation dephosphorizing efficiency, effluent quality is excellent, occupation of land is little, operation side
Just the characteristics of, capacity of resisting impact load is strong.Membrane module unit, modularity, standardized designs make which more adapt at various sewage
Reason scale, makes the equipment production cycle greatly shorten with construction period.
Description of the drawings
Fig. 1 is low energy consumption MBR sewage disposal outfit process charts
Fig. 2 is remote control system network framework map
Symbol description in accompanying drawing：
Pond 5- fine fack 6- automatic washing mistakes in 1- stabilization pond 2- regulating reservoir 3- integrated A 2/O-MBR pond 4-
Filter 7- aerator 8-L type electric T-shaped valve 9- membrane module 10- suction pump 11- ultraviolet sterilizer 12- elevator pump 13-
Sludge pump 14- aerator 15- deflector 16- exchange current control valve 17- water flow meter 18- gas flowmeters
The infrared camera 22- technical grade slave stations of the communication module 21- slave stations of 19- slip-knot 20- slave station PLC control modules and extension
Camera shooting and video videocorder 26- main websites of communication module 24- master station computers 25- main website of communication module 23- technical grades main website are existing
Field video pictures display
Specific embodiment：
1-6 is illustrated below in conjunction with the accompanying drawings, to further understand the present invention.
(1) MBR sewage disposals outfit assembling：Fiberglass or anti-corrosion carbon steel or steel concrete can be adopted to make stabilization pond 1, adjust
Section pond 2, integrated A 2/O-MBR ponds 3, middle pond 4, its size presses the time of staying and the treating capacity of equipment determines.Stable
Elastic filler is installed in pond 1, and fine fack 5 is installed in the inlet channel before stabilization pond 1 or in stabilization pond 1, and that what is installed in regulating reservoir 2 carries
Rise 12 outlet conduit of pump to be connected with the import of fully automatic cleaning filter 6, the water outlet of fully automatic cleaning filter 6 is uniformly distributed into one
In body A2/O-MBR ponds 3.
Deflector 15 is separated into rising area integrated A 2/O-MBR ponds 3 and declines area, and deflector bottom is left with pool wall
20-50cm spaces, membrane module 9 are put in membrane module area, are installed on the both sides deflector at 9 top 5-10cm of each membrane module
Flow exchange control valve 16, the collector pipe of membrane module 9 is connected with water header by loose joint 19 and valve, water header and
10 water inlet pipe of suction pump is connected；Each membrane module 9 is independent water process operating unit；10 water outlet of suction pump is through disinfector 11
After enter in pond 4；Sludge is entered sludge-tank or stabilization pond by the sludge pump 13 installed in integrated A 2/O-MBR ponds 3.
A set of aerator 14 is installed in the aeration zone of the underface of each membrane module 9 at bottom of pond 10cm, and will be separated by
Aerator 14 connect after draw two aerator air supply headers Q1, Q2 and export with B, C of L-type electric T-shaped valve 8 respectively
It is connected, 7 outlet header of aerator is connected with the A imports of L-type electric T-shaped valve 8；By electrical equipment such as pump, aerator etc. with
PLC automatic control system is connected.
The Internet network of slave station is opened, with netting twine by the infrared camera 21 of slave station, PLC control modules and extension
Communication module 20 is connected with 22 import of technical grade slave station communication module, technical grade slave station communication module 22 outlet by netting twine with
Internet network is connected.
The Internet network of main website is opened, 24 main frame of computer in main website and camera shooting and video videocorder 25 is led to netting twine
Cross technical grade main website communication module 23 to be connected with Internet network, main website live video view display 26 and camera shooting and video
Videocorder 25 is connected.
Install and make a series of necessary software interfaces and drive software, by station address and the website of slave station PLC
Agreement, main website set up Data relationship by Internet network and slave station.
(2) Novel low-consumption MBR sewage disposals outfit is debugged with tele-control system：MBR sewage disposals are into suit
For after installing, to fully automatic cleaning filter 6, aerator 7, L-type electric T-shaped valve 8, suction pump 10 ,-ultraviolet sterilizer
11st, elevator pump 12, sludge pump 13 carry out unit test running, leakage detection fill a vacancy it is qualified after, carry out equipment linkage clear water debugging, each pond is filled
Enter clear water to specified liquid level, according to regulating reservoir, the ball float action signal in integrated A 2/O-MBR ponds 3, each equipment should be by setting
Meter requirement completes compulsory exercise, the reason for otherwise find out problem, is corrected, until system equipment is completed by design requirement completely
Till compulsory exercise.Clear water debugging terminates.
Seed sludge is put in integrated A 2/O-MBR ponds 3, sewage debugging can be started.First controlled state is got to certainly
Dynamic operation, can be by the primary flux commissioning test of 1/4-1/2 at full capacity；Valve on adjustment water distributor makes into water to be uniformly distributed in down
In drop area, while adjusting flow exchanges control valve 16, control declines the DO in area so as in the environment in anaerobism and anoxia；When
Sludge concentration rises to 6g/L, can be enlarged to oepration at full load；When sludge concentration is more than 9-12g/L, can periodicity spoil disposal, spoil disposal
Measuring is carried out by the sludge age of setting.
Main website and slave station Data relationship are debugged to complete by Internet network, can show and change slave station number in main website
According to situation about constantly obtaining from scene is fed back, and adjusts to predetermined function.
The automatic longtime running of reactor：The robot control system(RCS) of reactor is adjusted to into automatic running state, following processes can be automatic
Complete：Regulating reservoir 2 sets high and low two liquid levels, system automatic operation during high level, and during low liquid level, system is out of service；One
Body A2/O-MBR ponds 3 set high, medium and low three liquid levels, during middle liquid level, open regulating reservoir elevator pump to integrated A 2/O-MBR ponds
Moisturizing, during to high level, stops elevator pump moisturizing, and during low liquid level, system is out of service, and reports to the police.
System starting process is as follows：Regulating reservoir is in high level, starts aerator and passes through aerator period of aeration
Afterwards, suction pump 10 starts and draws water, and starting elevator pump 12 when middle water level is down in integrated A 2/O-MBR ponds 3 carries out moisturizing to which,
During high water level stop 12 moisturizing of elevator pump, its moisturizing with cut off the water as reciprocation cycle process.When regulating reservoir low water level, whole system
It is out of service；When regulating reservoir high level, system is resumed operation again, first opens aerator, and other equipment is transported by preset program
OK.10 cyclical intermission of suction pump runs, and it is 4min to take out between the stopping time:1min.
The data of slave station can be obtained in main website at any time, and according to the data of practical situation modification slave station, change operation ginseng
Number, while to the analysis in time of slave station abnormal conditions and reporting to the police, main website arranges professional to go field maintenance service as needed.It is existing
Field video pictures can be had access at any time, and Site Service is exercised supervision.
(3) film Chemical cleaning：The Chemical cleaning of film includes that in-site chemical cleaning is cleaned with external submergence, main here to introduce
External submergence cleaning.External submergence cleaning is divided into two ways, tears diaphragm cleaning way and Integral cleaning mode open.Tear diaphragm cleaning open
Mode operates as follows：The liquor natrii hypochloritises of 0.3% prepared in Chemical cleaning pond, closing need the membrane module of Chemical cleaning
8 tube valve that catchments, and loose joint 19 is disconnected, membrane module 8 is proposed, after being rinsed well diaphragm taking-up and with clear water, being put into
Immersion 24 hours or so in service sink is learned, the external submergence Chemical cleaning of diaphragm can be completed.Diaphragm after Chemical cleaning is complete is with clearly
Water loads composition membrane module 8 in former framework after rinsing, boosted device is sent original place back to, connects the loose joint 19 on collector pipe, beat
Opener aqueduct valve, the membrane module 8 after cleaning can be reworked.
Integral cleaning mode is：The tube valve that catchments of the membrane module 8 for needing cleaning is closed, and loose joint 19 is disconnected, proposed
And after being rinsed well with clear water, it is directly placed into immersion 24 hours or so in Chemical cleaning pond.The membrane module 1 for having cleaned is reintroduced simultaneously
Replace after being rinsed well with clear water, connect corresponding loose joint 19, open the tube valve that catchments, the membrane module 8 after cleaning can
Rerun.
As external submergence cleaning operation can be conducted batch-wise, per batch 1-2 group membrane modules can be defined to, do not affect reactor its
The operation of its membrane module, can meet the continuous service requirement of engineering.
Claims (1)
1. a kind of Novel low-consumption MBR sewage disposal outfits, are mainly made up of equipment and tele-control system two parts, its
It is characterised by：
The technological process of the equipment is：--- --- regulating reservoir --- elevator pump --- automatic washing is filtered stabilization pond fine fack
Device --- integrated A 2/O-MBR reaction tanks --- the middle pond of suction pump --- ultraviolet sterilizer ---；
Sewage is respectively 2-3h, 4-7h, 6-10h in the time of staying of stabilization pond, regulating reservoir, integrated A 2/O-MBR reaction tanks；
Above-mentioned cell body is made with fiberglass or anti-corrosion carbon steel or steel concrete；Elastic filler is provided with stabilization pond；High and low two are set in regulating reservoir
Liquid level, sets high, medium and low three liquid levels in integrated A 2/O-MBR ponds；
MBR reaction tanks are divided into two parts by the two pieces of deflectors that are configured as of integrated A 2/O-MBR reaction tanks, and middle part is water conservancy diversion
Funnel-form fall for rising area in up-small and down-big folded by between plate, both sides deflector is to decline area with region folded by pool wall；Film group
Part is installed in the Upper vertical region of rising area and constitutes membrane module area, and rising area lower bevel is constituted with the region that bottom of pond is surrounded and exposed
Gas area, aerator are installed on higher than at bottom of pond 10cm；Membrane module area is 1 with the width ratio of cell body：3-6, highly than for 1：2-
2.5；Several exchange current control valves, deflector bottom and pool wall on deflector above 5-10cm of membrane module top
The upper and lower passage that sludge is exchanged between rising area and decline area when 10-40cm gaps are respectively aeration；
Each membrane module includes several diaphragms, and its frame peripheral is not closed, and diaphragm is hollow-fibre membrane or Flat Membrane；Each film
The collector pipe of component is connected with water header by loose joint and valve, and water header is connected with suction pump water inlet pipe；Each film
Component is independent water process operating unit.
Each MBR sewage disposals outfit includes even number membrane module, at least 2 membrane modules；Immediately below each membrane module
There is a set of aerator, two sets of alternate aerators are interconnected, so as to two aerators air supply header Q1, Q2 being formed
It is connected with two outlets B, C of L-type electric T-shaped valve respectively；Blower export house steward is connected with L-type electric T-shaped valve import A,
Constitute simple variable aerating system；Aerator is " rich " font boring aeration pipe or microporous aeration disc or micropore aeration pipe,
Or the combination of boring aeration pipe and microporous aeration disc, or the combination of boring aeration pipe and micropore aeration pipe；L-type electric T-shaped valve
Switching time is flowed to less than 12 seconds；
The pore size filter of fine fack and fully automatic cleaning filter is 1-2mm；Fully automatic cleaning filter is the impurity in sewage
It is deposited in filter on stainless steel filtering net, intake-outlet will produce pressure reduction, when the differential reaches a set point, is opened by pressure
OFF signal, actuating motor drive brush rotation, and filter screen is cleaned, while opening blowoff valve blowdown, blowdown is closed after finishing
Blowoff valve is closed, is moved in circles and is completed the device of said process；
Suction pump adopts the cyclical intermission method of operation, takes out, is 4min between the stopping time:1min；
Often cover MBR sewage disposals outfit and its automatic running is controlled using PLC, PLC passes through its RS485 interface and touch screen
Data exchange is carried out, can be shown on touch screen and be changed its data；Often cover MBR water process outfit outfit 1 and can shoot existing
The infrared camera and 1 technical grade slave station communication module of field video pictures；
Tele-control system framework is to be formed by connecting with several slave stations by Internet network by 1 main website；Main website is by 1
Computer, 1 live video view display, 1 technical grade main website communication module, 1 camera shooting and video videocorder with hard disk
Composition, main frame therein, camera shooting and video videocorder are connected with Internet network by technical grade main website communication module；
It is 1 slave station often to cover MBR sewage disposals outfit, and PLC extension communication modules therein and infrared camera pass through technical grade
Slave station communication module is connected with Internet network；Each slave station has unique network address, and master station computer passes through
The network address of Internet network agreement and slave station carries out showing, store, exchange, change and switching to the data of slave station, from
And realize the remotely control to slave station；The live video view display of main website can show and switch that the live video of slave station is drawn
Face, and store the data in the hard disk of camera shooting and video videocorder；Data include that equipment running status and parameter, live video are drawn
Face.
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| CN104843945B true CN104843945B (en) | 2017-03-29 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105417881A (en) * | 2015-12-21 | 2016-03-23 | 山东国辰实业集团有限公司 | Self-circulating biological membrane denitrifying sewage treatment equipment |
| CN106315972A (en) * | 2016-08-20 | 2017-01-11 | 南方创业（天津）科技发展有限公司 | Integrated wastewater purifying equipment |
| CN106167338A (en) * | 2016-08-20 | 2016-11-30 | 南方创业（天津）科技发展有限公司 | The integrated effluent purifying device of intelligent remote |
| CN106597879A (en) * | 2016-11-03 | 2017-04-26 | 中冶华天工程技术有限公司 | Sewage treatment elevator pump optimized scheduling method |
| CN107381792B (en) * | 2017-07-21 | 2020-06-19 | 博天环境集团股份有限公司 | Double-self-circulation integrated MBR (membrane bioreactor) |
| CN107673564A (en) * | 2017-11-09 | 2018-02-09 | 兰州交通大学 | A kind of non-maintaining rural domestic sewage treating device |
| CN108821517A (en) * | 2018-07-31 | 2018-11-16 | 中交信远(北京)建设工程有限公司 | A kind of sewage disposal device and its processing method |
| CN109739117A (en) * | 2019-01-25 | 2019-05-10 | 广东通朗环保科技有限公司 | A kind of control method of the electronic control unit applied to sewage disposal system |
| 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 |
| CN114180733B (en) * | 2021-11-02 | 2022-08-09 | 合肥中盛水务发展有限公司 | Sewage aeration amount detection and aeration control system based on video analysis algorithm |
| CN117164178B (en) * | 2023-11-02 | 2024-01-05 | 珙县华洁危险废物治理有限责任公司成都分公司 | Brewing wastewater treatment system and method |
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Denomination of invention: Novel low-energy MBR (Membrane Bioractor) sewage treatment complete equipment and remote control system Effective date of registration: 20171225 Granted publication date: 20170329 Pledgee: Good income (Beijing) Financial Information Service Co., Ltd. Pledgor: BEIJING DAQING SCIENCE AND TECHNOLOGY CO., LTD. Registration number: 2017110000020 |
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