CN104843945A - Novel low-energy MBR (Membrane Bioractor) sewage treatment complete equipment and remote control system - Google Patents
Novel low-energy MBR (Membrane Bioractor) sewage treatment complete equipment and remote control system Download PDFInfo
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Abstract
The invention provides a novel low-energy MBR (Membrane Bioractor) sewage treatment complete equipment and remote control system, mainly comprising two parts, i.e., novel low-energy MBR sewage treatment complete equipment and a remote control system; after entering the MBR sewage treatment complete equipment, sewage passes through a fine rack, a stabilization pond, an adjusting tank, a lift pump, an automatic cleaning filter, an integrated A2/O-MBR reaction tank, a dump pump, an ultraviolet sterilizer and a reclaimed water tank sequentially; by the novel structure of the integrated A2/O-MBR tank, not only can higher denitrification and phosphorus removal efficiency be obtained, but also aeration rate can be reduced by over 50%; a simple variable aeration method of an electrically operated three-way valve is adopted, so that total aeration rate is again reduced by over 50%; the new structure and the variable aeration method are combined, so that the aeration rate of the MBR sewage treatment complete equipment is 25 to 30% of the original aeration rate, and has the characteristics of high efficiency in denitrification and phosphorus removal, small occupied area and low energy consumption; the remote control system is adopted, and dozens and even over one hundred of the MBR complete equipment can be managed intensively by using an Internet network long-distance data processing function and can realize unattended operation, so the problem of difficulty in later maintenance is solved.
Description
Technical field
Novel low-consumption MBR sewage disposal outfit and tele-control system, relate to a kind of low energy energy consumption MBR sewage disposal method for providing and the tele-control system method of optimizing configuration and variable aerating method, this Novel low-consumption MBR sewage disposal outfit and tele-control system have less energy-consumption, high-efficient denitrification and dephosphorization function, take up an area little and Operation Administration and Maintenance feature easily.The invention belongs to technical field of sewage, particularly MBR sewage disposal outfit technology.
Background technology
Conventional MBR (Membrane Bioractor, membrane bioreactor) is a kind of by membrane separation technique and the combined sewage treatment process of traditional biological processing unit.This technique adopts the second pond that substitutes in conventional activated sludge process of membrane sepn to carry out mud-water separation, compared with traditional activated sludge process, have as little in floor space, effluent quality is excellent, capacity of resisting impact load is strong, the superiority such as high volumetric loading.But because the high construction investment that causes of mould material price is large; Mould material unreasonable structure causes membrane lifetime low; MBR reactor design defect causes its energy consumption high.Above-mentioned three large defects make conventional MBR working cost and cost of water treatment raise, and seriously hinder applying of conventional MBR.Moreover, China cities and towns and rural sewage treatment station belong to point source of pollution, and its distribution is wide, and monomer treatment scale is little, face unstable or the not up to standard and energy consumption of water quality and the problem such as manpower, maintenance cost height.Also there is the problems such as intelligence degree is low, managerial personnel are many, handling cost is high in big-and-middle-sized sewage treatment facility.Novel low-consumption MBR sewage disposal outfit and tele-control system are because having following features: energy consumption is low, take up an area little, stable effluent quality is up to standard, and employing can unattended tele-control system, above-mentioned point source of pollution governing problem can be solved, be widely applied rapidly.
For maintaining the normal operation of conventional MBR, have employed lasting aeration method and carrying out lessening membrane fouling to the cross-flow velocity that washes away maintaining face high.Lasting aeration rate should be the maximum that the minimum cross-flow velocity of guarantee face requires the biochemical aeration rate required for normal reaction of aeration rate and aeration tank, and the former is more than 3 times of the latter, and namely conventional MBR is the required aeration rate more than 3 times of conventional activated sludge process.
Conventional MBR adopts perforated pipe aerating regulation mostly, and the oxygen transfer efficiency of this aeration mode is low, and less than 17%, and the effective rate of utilization of aeration energy consumption that face washes away is less than 30%, and therefore aeration energy consumption is huge, but utilization ratio is not high; Moreover, cause because aeration rate is huge in reaction tank strictly aerobic in MBR pond, fail to form the necessary anaerobic/anoxic of denitrogenation dephosphorizing and aerobic Hydraulic Circulation condition, cause denitrogenation dephosphorizing efficiency very low, be close to zero.The conventional MBR technique at present with denitrogenation dephosphorizing function still adopts pump reflux mud to form Hydraulic Circulation to improve the effect of its denitrogenation dephosphorizing to preposition anaerobic pond, anoxic pond, not only increases floor space, more increases the demand of conventional MBR to energy consumption.The conventional MBR with denitrogenation dephosphorizing just adds membrane separating process on traditional A2/O, instead of secondary sedimentation basins, although improve sludge concentration to decrease floor space, but the with high investment and high maintenance cost produced changed by the high running cost that the aeration energy consumption in operational process produces and cleaning agent consumption, high price mould material, membrane module, counteract its superiority, seriously hinder applying of conventional MBR technology.Although the engineering example more than ton, the problems referred to above still exist, and are not solved at all.
Acceleration with national urbanization, beautiful China, beautiful rural area, smart city advances, and widely distributed point source of pollution must progressively be governed.Miniature Sewage Farm by full flourish, MBR outfit technology because of take up an area little, stable effluent quality is excellent, can exhibit one's skill to the full wherein.Dispose and funding arrangement according to national strategy, the investment construction problem ratio of Miniature Sewage Farm is easier to solve, but later maintenance management is more essence and high-lighting problem.
The problems such as, denitrification dephosphorization technique complicated, small-scale sewage process equipment later maintenance difficult management high for conventional MBR energy consumption, this Novel low-consumption MBR sewage disposal outfit and long distance control system are invented, this is equipped on the basis of conventional MBR technique, for reducing energy consumption, improving denitrogenation dephosphorizing ability, being easy to later maintenance management aspect, carry out four and innovated greatly (1) advanced outfit process innovation.This technique is innovated on the MBR mini engineering summary of experience basis administering point source sewage for many years, by the anaerobic pond of traditional denitrogenation dephosphorizing, anoxic pond, Aerobic Pond, merging into a single whole A2./O-MBR pond, three unification pond, ponds, and cancel sludge reflux, its technical process is simple and practical, strong adaptability.(2) MBR structure of reactor innovation.Adopt flow deflector that MBR pond is separated into aerobic zone, hypoxic/anaerobic district, between aerobic zone and hypoxic/anaerobic district, be provided with the controllable passage of switching traffic size, being integrally formed A2./O-MBR pond configuration.Under aeration effect, mud in aerobic zone, hypoxic/anaerobic constantly circulates interchange, aerobic, the hypoxic/anaerobic environment of circulation experience, forms the hydraulics of denitrogenation dephosphorizing, obtains efficient denitrogenation dephosphorizing ability.Moreover, experiment finds, this reaction tank is when aeration rate reduces by 50%, and membrane module district upflow velocity is substantially constant, can run under low aeration rate, and therefore this structure can make its aeration rate reduce by 50%; (3) the simple and easy variable aerating method of innovation is adopted.Adopt variable aeration to substitute and continue aeration, overall aeration rate can reduce by more than 50%.The variable aeration process superposition of structure of reactor innovative technology and innovation, aeration rate can be reduced to original 25-30%, suitable with traditional activated sludge process.Therefore this Novel low-consumption MBR sewage disposal outfit has high-efficient denitrification and dephosphorization function, takes up an area feature that is little and less energy-consumption.(4) tele-control system innovated.Tele-control system can by tens, even up to a hundred MBR sewage disposal outfit centralized management.Data and the live view of each MBR sewage disposal outfit are directly uploaded to remote control management center by Internet network technology, analysis and treament is carried out to data in center, send parameter instruction in time, adjust operation state, and dispatch professional as required to field maintemance, make each MBR sewage disposal outfit operation and maintenance in system specialized, monitoring real time implementation, greatly reduce maintenance personnel's quantity and maintenance cost, solve numerous sewage works (station) the operational management problem of dispersion.The invention belongs to technical field of sewage, particularly integrated film bio-reactor.For solve dispersion cause the some source problem of water body serious eutrophication and existing sewage work carry mark upgrading gordian technique is provided.
Summary of the invention
The object of the present invention is to provide a kind of Novel low-consumption MBR sewage outfit and tele-control system, comprise simplification of flowsheet, the MBR reactor configuration optimized, adopts the outfit that the innovative technology such as simple and easy variable aeration process and outfit tele-control system becomes one.Aeration rate can be reduced to the 25-30% of conventional MBR, suitable with the energy consumption of traditional activated sludge process, has high-efficient denitrification and dephosphorization ability simultaneously, takes up an area little, unattended feature.
For achieving the above object, Novel low-consumption MBR sewage outfit provided by the invention and tele-control system form primarily of Novel low-consumption MBR sewage outfit and tele-control system two portions, wherein:
The technical process of Novel low-consumption MBR sewage outfit is: fine fack---stabilization pond---equalizing tank---lift pump---fully automatic cleaning filter---integrated A 2/O-MBR reaction tank---suction pump---uv steriliser---middle pond;
Sewage in stabilization pond, equalizing tank, integrated A 2/O-MBR reaction tank useable glass firm or anticorrosion carbon steel or steel concrete make, the residence time is respectively 2-3h, 4-6h, 6-10h; Chi Ti; Elastic filler is provided with in stabilization pond; Establish high and low two liquid levels in equalizing tank, in integrated A 2/O-MBR pond, establish high, medium and low three liquid levels.
MBR reaction tank is divided into two portions by the two pieces of flow deflectors that are configured as of integrated A 2/O-MBR reaction tank, and middle part is folded between flow deflector is rising area in up-small and down-big funnel-form of falling, and folded by both sides flow deflector and pool wall, region is decline district; Membrane module is installed in Upper vertical region, rising area and forms membrane module district, the formation aeration zone, region surrounded at the bottom of rising area lower bevel and pond, and aerating apparatus is installed on higher than 10cm place at the bottom of pond; Membrane module district is 1:3-6 with the width ratio of pond body, and aspect ratio is 1:2-2.5; The upper and lower passage that when bottom several switching traffic control valves on the flow deflector at above 5-10cm place, membrane module top, flow deflector and the 20-50cm gap of pool wall is respectively aeration, between rising area and decline district, mud exchanges;
Have a set of aerating apparatus immediately below each membrane module, alternate two cover aerating apparatuss are interconnected, thus two aerating apparatus air supply headers Q1, Q2 being formed export B, C with two of L-type electric T-shaped valve is respectively connected; Blower export house steward is connected with L-type electric T-shaped valve import A, constitutes simple and easy variable aerating system;
Often overlap MBR water treatment outfit all to adopt PLC to control it automatically to run, PLC carries out data exchange by its RS485 interface and touch-screen, and touch-screen can show and revise its data; Often overlap MBR water treatment outfit be equipped with 1 can the infrared camera of floor video pictures and 1 technical grade slave station communication module;
Tele-control system framework is for be formed by connecting by Internet network and several slave stations by 1 main website; Main website is made up of the camera shooting and video video recorder of 1 computer, 1 live video view display, 1 technical grade main website communication module, 1 band hard disk, and mainframe computer wherein, camera shooting and video video recorder are connected with Internet network by technical grade main website communication module; Often overlap MBR sewage disposal and be equipped for 1 slave station, PLC is wherein expanded communication module and is connected with Internet network by technical grade slave station communication module with infrared camera; Each slave station has unique network address, and master station computer is shown by the data of the network address to slave station of Internet network agreement and slave station, store, exchanges, revises and switched, thus realizes the Long-distance Control to slave station; The live video view display of main website can show and switch the live video picture of slave station, and stores the data in the hard disk of camera shooting and video video recorder.
Described data comprise equipment running status and parameter, live video picture;
The pore size filter of described fine fack and fully automatic cleaning filter is 1-2mm;
Described fully automatic cleaning filter is that Impurity deposition in sewage is in strainer on stainless steel filtering net, intake-outlet will produce pressure reduction, when the differential reaches a set point, by pressure switch signal, actuating motor drives brush to rotate, and cleans, open wash water valve blowdown simultaneously to filter screen, wash water valve is closed, the device of the said process that moved in circles after blowdown.
Described each membrane module comprises several diaphragms, and its frame peripheral is not closed, and diaphragm is hollow-fibre membrane or flat sheet membrane; The header of each membrane module is connected with water header with valve by loose joint, and water header is connected with suction pump water inlet pipe; Each membrane module is independently water treatment operating unit.
Described aerating apparatus is in the boring aeration pipe of " rich " font or microporous aeration disc or micropore aeration pipe or the combination between them.
Flowing to of described L-type electric T-shaped valve is no more than 12 seconds switching time.
Described liquid level signal can adopt float switch or ultrasonic level gage, called putting-into-type liquid level meter obtains.
Described suction pump adopts cyclical intermission to run, and takes out, is 4min:1min between the stopping time.
The present invention proposes Novel low-consumption MBR sewage disposal outfit and tele-control system, comprise following principle: nitric efficiency formula and airlift circulation principle, structure of reactor know-why, variable aeration principle, Long-distance Control principle.
Nitric efficiency formula is:
η％＝R/(1+R)
From formula: nitric efficiency and return sludge ratio R positive correlation, R is larger, and nitric efficiency η % is higher, and when R trends towards infinity, the efficiency of denitrogenation trends towards 100%.
Airlift circulation principle is: the mixed solution inside and outside flow deflector is circulated continuously under aeration rate difference causes the spontaneous impellent effect of density variation, active sludge constantly circulates and experiences aerobic, anoxic, anaerobic environment in the process, shown by CFD analog result, R is very large, meets the requirement of high denitrification percent to high R completely.Moreover, utilize airlift circulation also alternative traditional sludge circulation adopt the power consumption of pump, thus greatly reduce energy consumption.
Structure of reactor know-why: the integrated A 2/O-MBR reactor adopting new configuration, under aeration effect, self-assembling formation rising area between flow deflector, be in oxygen condition, self-assembling formation decline district between the flow deflector of both sides and pool wall, decline district DO concentration is controlled by regulating top switching traffic control valve 16, decline district can be made can to form anaerobic/anoxic state, under airlift circulation effect, active sludge by mud exchange upper, lower channel constantly experiences aerobic, anoxic, anaerobic state, form the Hydraulic Circulation state of denitrogenation dephosphorizing, therefore this reaction tank has denitrogenation dephosphorizing function, denitrogenation dephosphorizing efficiency is relevant with the allocation proportion in rising area and decline district with the switching traffic of control.
Experimental result shows: the nitric efficiency of integrated A 2/O-MBR reaction tank can reach more than 85%, dephosphorization efficiency by using is more than 80%, GB18918-2002 one-level A standard that stable effluent quality reaches " urban wastewater treatment firm pollutant emission standard " is (see document: Jiang Zhichen, Zhao Shuguang, Fan Yaobo, Xu Dongyao. the pilot scale research [J] of novel all-in-one Membrane Bioreactor for Wastewater Treatment mining area sewage. water technology, 2015,41 (2) 67-70); Moreover, this structure is when aeration rate reduces by more than 50%, membrane module district upflow velocity is substantially constant, namely this structure can reduce by 50% aeration rate (see document: Zhao Shuguang, Jiang Zhichen, Xu Dongyao, Fan Yaobo. novel all-in-one A2/O-MBR aeration efficiency research [J]. water technology, 2014,40 (12): 79-82).
Variable aeration principle is: all N membrane modules in MBR system are divided into the M1 group containing 1/2N membrane module and M2 group, adopts Dynamoelectric dividing valve that the air demand of gas blower is distributed to M1 group, M2 group.In MBR system operational process, under electrical shunt valve action, change continuous aeration original for membrane module into variable aeration, aeration total amount is from original NXm
3/ h is reduced to 1/2NXm
3/ h, thus reach save aeration consumption more than 50%.The switching time of Dynamoelectric dividing valve is no more than 12 seconds, and be the switching time of the best, nitric efficiency is now the highest.
Structure technology and variable aerating method combine, and not only make aeration rate can be reduced to original 25-30%, also make Novel low-consumption integrated A 2/O-MBR reactor have high-efficient denitrification and dephosphorization, take up an area feature that is little and less energy-consumption.Reach the perfect adaptation of configuration and function.
In practical engineering application, membrane module is positioned at reactor head and film framework simplified design, is convenient to artificial rust and installs the safety operation with cleaning.
Long-distance Control principle is: by Internet network strange land data transmission, exchange, modify feature, can by tens, even up to a hundred MBR outfit centralized management.Data and the live view of each MBR sewage disposal outfit are directly uploaded to remote control management center, analysis and treament is carried out to data in center, send parameter instruction in time, adjust operation state, and dispatch professional as required to field maintemance, make sewage work in system (station) operation and maintenance specialized, monitoring real time implementation, greatly reduce maintenance personnel's quantity and maintenance cost, solve numerous sewage works (station) the operational management problem of dispersion.
In sum, Novel low-consumption MBR outfit and tele-control system are in principle and technically can be able to realize completely in engineering.
The present invention, compared with existing conventional MBR outfit technology, has the following advantages and high-lighting effect:
(1) energy consumption is low
Energy consumption is only conventional MBR technology (1-1.2kWh/m
3) 25-30%, reach the international most advanced level (0.3-0.5kWh/m of this technology energy consumption
3);
(2) take up an area little, effluent quality is excellent
Reduce project occupation of land area more than 50% than traditional activated sludge process, save floor space 10-15% than conventional MBR engineering; GB18918-2002 one-level A standard that stable effluent quality reaches " urban wastewater treatment firm pollutant emission standard ";
(3) simple to operation
Cleaning frequency membrane low (1 on-line cleaning half a year), labour intensity is low.Simple to operation; Level of automation is high, and remote controlled management, realizes unmanned; Heavy construction can realize automatic on-line cleaning;
(4) eddy current washes away
Through well-designed, CFD (Fluid Mechanics Computation) simulates cloud atlas display, reactor intimal surface from original fluid upwards straight line wash away and become straight line and eddy current washes away jointly, significantly improve face scouring effect;
(5) strong adaptability
Blocking, modularization, standardized designs make it more adapt to large, medium and small various sewage treatment project and transform first and second generation sewage work (station), are convenient to promote rapidly in large, medium and small cities and towns and rural area; Adopt Long-distance Control, can by tens, even up to a hundred MBR outfit centralized management.Make sewage work in system (station) operation and maintenance specialized, monitoring real time implementation, not only MBR outfit unmanned, also greatly reduces maintenance personnel's quantity and maintenance cost, solves numerous sewage works (station) the operational management problem of dispersion.
(6) construction costs is low, and working cost is low
In a word, this complete set technology possessed less energy-consumption, high denitrogenation dephosphorizing efficiency, effluent quality excellent, take up an area little, easy to operate, that capacity of resisting impact load is strong feature.Membrane module unit, modularization, standardized designs make it more adapt to various sewage disposal scale, and device fabrication cycle and construction period are shortened greatly.
Accompanying drawing explanation
Fig. 1 is less energy-consumption MBR sewage disposal outfit process flow sheet
Fig. 2 is remote control system network framework map
Nomenclature in accompanying drawing:
Camera shooting and video video recorder 26-main website of communication module 24-master station computer 25-main website of the infrared camera 22-technical grade slave station communication module 23-technical grade main website live video view display of the communication module 21-slave station of pond 5-fine fack 6-fully automatic cleaning filter 7-gas blower 8-L type electric T-shaped valve 9-membrane module 10-suction pump 11-uv steriliser 12-lift pump 13-sludge pump 14-aerating apparatus 15-flow deflector 16-switching traffic control valve 17-water flow meter 18-gas meter 19-slip-knot 20-slave station PLC control module and expansion in 1-stabilization pond 2-equalizing tank 3-integrated A 2/O-MBR pond 4-
Embodiment:
Be illustrated below in conjunction with accompanying drawing 1-2, to understand the present invention further.
(1) MBR sewage disposal outfit assembling: glass reinforced plastic or anticorrosion carbon steel or steel concrete can be adopted to make stabilization pond 1, equalizing tank 2, integrated A 2/O-MBR pond 3, middle pond 4, and its size is determined by the treatment capacity of the residence time and equipment.At stabilization pond 1, elastic filler is installed, fine fack 5 is installed in the inlet channel before stabilization pond 1 or in stabilization pond 1, lift pump 12 outlet conduit installed in equalizing tank 2 is connected with the import of fully automatic cleaning filter 6, and the water outlet of fully automatic cleaning filter 6 is evenly distributed in integrated A 2/O-MBR pond 3.
Flow deflector 15 is separated into rising area and decline district integrated A 2/O-MBR pond 3,20-50cm space is left with pool wall bottom flow deflector, membrane module district put into by membrane module 9, the both sides flow deflector at 5-10cm place, each membrane module 9 top is installed flow and exchanges control valve 16, be connected with water header with valve by loose joint 19 by the header of membrane module 9, water header is connected with suction pump 10 water inlet pipe; Each membrane module 9 is independently water treatment operating unit; Suction pump 10 water outlet enters middle pond 4 after sterilizer 11; Mud is entered sludge sump or stabilization pond by the sludge pump 13 installed in integrated A 2/O-MBR pond 3.
In aeration zone immediately below each membrane module 9, at the bottom of distance pond, a set of aerating apparatus 14 is installed at 10cm place, and the aerating apparatus 14 of being separated by is communicated with rear extraction two aerating apparatus air supply headers Q1, Q2 and exports with B, C of L-type electric T-shaped valve 8 respectively and be connected, gas blower 7 outlet header is connected with the A import of L-type electric T-shaped valve 8; By electric installation as pump, gas blower etc. and PLC automatic control system connect.
Open the Internet network of slave station, be connected with the import of technical grade slave station communication module 22 with the communication module 20 of netting twine by the infrared camera 21 of slave station, PLC control module and expansion, technical grade slave station communication module 22 is exported and is connected with Internet network by netting twine.
Open the Internet network of main website, computer in main website 24 main frame and camera shooting and video video recorder 25 are connected by technical grade main website communication module 23 and Internet network with netting twine, main website live video view display 26 and camera shooting and video video recorder 25 are connected.
Install and make a series of necessary software interface and drive software, by station address and the website agreement of slave station PLC, main website sets up Data relationship by Internet network and slave station.
(2) Novel low-consumption MBR sewage disposal outfit and tele-control system are debugged: after MBR sewage disposal outfit installs, to fully automatic cleaning filter 6, gas blower 7, L-type electric T-shaped valve 8, suction pump 10,-uv steriliser 11, lift pump 12, sludge pump 13 carries out unit trial trip, leakage detection fill a vacancy qualified after, carry out the debugging of equipment linkage clear water, after each pond is filled with clear water to appointment liquid level, according to equalizing tank, the ball float actuating signal in integrated A 2/O-MBR pond 3, each equipment should complete compulsory exercise by design requirements, otherwise the reason of find problem, corrected, until system device completes compulsory exercise by design requirements completely.Clear water debugging terminates.
In integrated A 2/O-MBR pond 3, drop into seed sludge, sewage debugging can be started.First state of a control is got to automatic operation, can by the primary flux commissioning test of 1/4-1/2 at full capacity; Valve on adjustment water distributor makes to be uniformly distributed in decline district into water, and adjust flux exchanges control valve 16 simultaneously, controls the DO in decline district, makes it be in the environment of anaerobism and anoxic; When sludge concentration rises to 6g/L, oepration at full load can be enlarged to; When sludge concentration is more than 9-12g/L, can periodically spoil disposal, sludge volume is undertaken by the sludge age of setting.
Master station and follow station Data relationship has been debugged by Internet network, and can show and revise slave station data in main website, situation about constantly obtaining from scene is fed back, till being adjusted to predetermined function.
The automatic long-time running of reactor: the robot control system(RCS) of reactor is adjusted to automatic running status, following process can complete automatically: high and low two liquid levels established by equalizing tank 2, system automatic startup optimization during high liquid level, and during low liquid level, system is out of service; High, medium and low three liquid levels are established in integrated A 2/O-MBR pond 3, and during middle liquid level, open equalizing tank lift pump to integrated A 2/O-MBR pond moisturizing, during paramount liquid level, stop lift pump moisturizing, during low liquid level, system is out of service, and reports to the police.
System starting process is as follows: equalizing tank is in high liquid level, start gas blower by after aerating apparatus period of aeration, suction pump 10 starts draws water, integrated A 2/O-MBR pond 3 starts lift pump 12 when being down to median water level and carries out moisturizing to it, stop lift pump 12 moisturizing when high-water, its moisturizing with cut off the water as reciprocation cycle process.When equalizing tank low-water level, whole system is out of service; When equalizing tank high liquid level, system is resumed operation again, first opens gas blower, and other equipment runs by preset program.Suction pump 10 cyclical intermission runs, and taking out between the stopping time is 4min:1min.
Can obtain the data of slave station at any time in main website, and revise the data of slave station according to practical situation, change operating parameter, simultaneously to slave station abnormal conditions immediate analysis and warning, main website arranges professional to go on-site maintenance service as required.Live video picture can be had access at any time, exercises supervision to Site Service.
(3) membrance chemistry cleaning: the matting of film comprises in-site chemical cleaning and external submergence is cleaned, mainly introduces external submergence cleaning here.External submergence cleaning is divided into two kinds of modes, tears diaphragm cleaning way and Integral cleaning mode open.Tear the operation of diaphragm cleaning way open as follows: the chlorine bleach liquor of prepare in matting pond 0.3%, close the header valve needing the membrane module 8 of matting, and loose joint 19 is disconnected, membrane module 8 is proposed, by diaphragm take out and after rinsing well with clear water, put into matting pond and soak 24 hours, the external submergence matting of diaphragm can be completed.Load component film assembly 8 in former framework after diaphragm clear water after matting is complete rinses, send original place back to through lifting gear, connect the loose joint 19 on header, open header valve, the membrane module 8 after cleaning can be reworked.
Integral cleaning mode is: the header valve of closing the membrane module 8 needing cleaning, and loose joint 19 is disconnected, and proposes and rinse rear matting pond of directly putting into well with clear water to soak 24 hours.The membrane module 1 cleaned reintroduces and replaces after rinsing well with clear water, and connect corresponding loose joint 19, open header valve, the membrane module 8 after cleaning can rerun.
Because external submergence cleaning operation can carry out in batches, often criticize and can be defined as 1-2 group membrane module, do not affect the operation of other membrane module of reactor, the continuous operating requirement of engineering can be met.
Claims (7)
1. Novel low-consumption MBR sewage outfit and a tele-control system, primarily of Novel low-consumption MBR sewage outfit and tele-control system two portions composition, is characterized in that:
The technical process of Novel low-consumption MBR sewage outfit is: fine fack---stabilization pond---equalizing tank---lift pump---fully automatic cleaning filter---integrated A 2/O-MBR reaction tank---suction pump---uv steriliser---middle pond;
Sewage in stabilization pond, equalizing tank, integrated A 2/O-MBR reaction tank useable glass firm or anticorrosion carbon steel or steel concrete make, the residence time is respectively 2-3h, 4-7h, 6-10h; Chi Ti; Elastic filler is provided with in stabilization pond; Establish high and low two liquid levels in equalizing tank, in integrated A 2/O-MBR pond, establish high, medium and low three liquid levels;
MBR reaction tank is divided into two portions by the two pieces of flow deflectors that are configured as of integrated A 2/O-MBR reaction tank, and middle part is folded between flow deflector is rising area in up-small and down-big funnel-form of falling, and folded by both sides flow deflector and pool wall, region is decline district; Membrane module is installed in Upper vertical region, rising area and forms membrane module district, the formation aeration zone, region surrounded at the bottom of rising area lower bevel and pond, and aerating apparatus is installed on higher than 10cm place at the bottom of pond; Membrane module district is 1:3-6 with the width ratio of pond body, and aspect ratio is 1:2-2.5; The upper and lower passage that when bottom several switching traffic control valves on the flow deflector at above 5-10cm place, membrane module top, flow deflector and the 10-40cm gap of pool wall is respectively aeration, between rising area and decline district, mud exchanges;
Each MBR sewage outfit comprises even number membrane module, is at least 2 membrane modules; Have a set of aerating apparatus immediately below each membrane module, alternate two cover aerating apparatuss are interconnected, thus two aerating apparatus air supply headers Q1, Q2 being formed export B, C with two of L-type electric T-shaped valve is respectively connected; Blower export house steward is connected with L-type electric T-shaped valve import A, constitutes simple and easy variable aerating system;
Often overlap MBR sewage disposal outfit all to adopt PLC to control it automatically to run, PLC carries out data exchange by its RS485 interface and touch-screen, and touch-screen can show and revise its data; Often overlap MBR water treatment outfit be equipped with 1 can the infrared camera of floor video pictures and 1 technical grade slave station communication module;
Tele-control system framework is for be formed by connecting by Internet network and several slave stations by 1 main website; Main website is made up of the camera shooting and video video recorder of 1 computer, 1 live video view display, 1 technical grade main website communication module, 1 band hard disk, and mainframe computer wherein, camera shooting and video video recorder are connected with Internet network by technical grade main website communication module; Often overlap MBR sewage disposal and be equipped for 1 slave station, PLC is wherein expanded communication module and is connected with Internet network by technical grade slave station communication module with infrared camera; Each slave station has unique network address, and master station computer is shown by the data of the network address to slave station of Internet network agreement and slave station, store, exchanges, revises and switched, thus realizes the Long-distance Control to slave station; The live video view display of main website can show and switch the live video picture of slave station, and stores the data in the hard disk of camera shooting and video video recorder.
2. according to fine fack described in claim 1 and fully automatic cleaning filter, it is characterized in that: the pore size filter of fine fack and fully automatic cleaning filter is 1-2mm; Fully automatic cleaning filter is that Impurity deposition in sewage is in strainer on stainless steel filtering net, intake-outlet will produce pressure reduction, when the differential reaches a set point, by pressure switch signal, actuating motor drives brush to rotate, and cleans, open wash water valve blowdown simultaneously to filter screen, wash water valve is closed, the device of the said process that moved in circles after blowdown.
3. according to membrane module according to claim 1, it is characterized in that: each membrane module comprises several diaphragms, its frame peripheral is not closed, and diaphragm is hollow-fibre membrane or flat sheet membrane; The header of each membrane module is connected with water header with valve by loose joint, and water header is connected with suction pump water inlet pipe; Each membrane module is independently water treatment operating unit.
4. according to aerating apparatus according to claim 1, it is characterized in that: aerating apparatus is in the boring aeration pipe of " rich " font or microporous aeration disc or micropore aeration pipe or the combination between them.
5. according to L-type electric T-shaped valve according to claim 1, it is characterized in that: flowing to of L-type electric T-shaped valve is no more than 12 seconds switching time.
6. according to suction pump according to claim 1, it is characterized in that: suction pump adopts cyclical intermission operation scheme, take out, be 4min:1min between the stopping time.
7. according to data according to claim 1, it is characterized in that: data comprise equipment running status and parameter, live video picture.
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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 |
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| 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 |
| CN114180733A (en) * | 2021-11-02 | 2022-03-15 | 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 |
| CN117164178A (en) * | 2023-11-02 | 2023-12-05 | 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 |
| 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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