CN106227147A - Control system of sewage treatment plant - Google Patents
Control system of sewage treatment plant Download PDFInfo
- Publication number
- CN106227147A CN106227147A CN201610800059.8A CN201610800059A CN106227147A CN 106227147 A CN106227147 A CN 106227147A CN 201610800059 A CN201610800059 A CN 201610800059A CN 106227147 A CN106227147 A CN 106227147A
- Authority
- CN
- China
- Prior art keywords
- control
- water
- automatically
- series
- sewage
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
Abstract
The invention discloses a kind of Control System of Sewage Treatment Plant, sewage in sewage treatment plant basin accesses the sump of lift pump room by back with water inlet line, by between 2 grids equipped with 8mm coarse rack, intercept at this and sewage enters after bigger impurity sewage pump room, flow into aerated grit chamber after sewage lifting and remove sand grains, be divided into 2 systems the most backward: system 60,000 m3The sewage of/d, after 1mm fine fack, by biological tank, subsequently into MBR membrane biological reaction pond, removes the pollutant such as COD, BOD5, N, P.Good sewage processing effect of the present invention.
Description
Technical field
The invention belongs to environmental area, particularly to a kind of Control System of Sewage Treatment Plant.
Background technology
The Chinese government began to focus on problem of environmental pollution in the last few years, after particularly proposing the strategy of sustainable development, and government
Protection and the improvement of environment is also noted that while rapid economic development.One of oneself sill state basic policy becoming China of environmental conservation.
From the point of view of environmental improvement in recent years, environmental protection theory, technical study and the application of China are little with external gap, and gap is bigger
It is environmental unit equipment and automatic control system.The present situation of wastewater treatment in China factory robot control system(RCS) is: manually with the most standby, from
System and introduction develop simultaneously.The instrumentation major part that some sewage disposal is used is the off-line instrument that accuracy and reliability is poor
Table, monitoring means is also by measuring after sampling, then goes to adjust equipment running status according to measurement result.Therefore it is difficult to carry out soon
Fast and effective on line real time control, often leads to the instability of effluent quality.Biochemical processing procedure of sewage is typical non-thread
Property, the complex large system of time-varying, uncertainty, large time delay, its modeling with control to control boundary be proposed severe challenge.Herein
The control situation of sewage disposal process is summarized as follows: 1) simple owing to controlling, traditional control method (conventional control, optimization
Control, Self Adaptive Control) still it is widely used, but it is many to be because sewage disposal process variable, and process has non-linear, close coupling
Etc. feature, and various parameter there is also time variation, and therefore traditional control method based on mathematical models is difficult to obtain reason
The control effect thought；2) although Based Intelligent Control has become research and the forward position in application and the focus of sewage disposal, but both at home and abroad
Still in the wide variety of primary stage.
Summary of the invention
For the defect of prior art, the invention provides a kind of Control System of Sewage Treatment Plant.
A kind of Control System of Sewage Treatment Plant, the sewage in sewage treatment plant basin accesses lift pump room by back with water inlet line
Sump, by between 2 grids equipped with 8mm coarse rack, intercept at this and sewage enter after bigger impurity sewage pump
Room, flows into aerated grit chamber and removes sand grains, be divided into 2 systems the most backward: system 60,000 m after sewage lifting3The sewage of/d
After 1mm fine fack, by biological tank, subsequently into MBR membrane biological reaction pond, remove the pollutant such as COD, BOD5, N, P, its
In 50,000 m3The water outlet of/d, after UV sterilizes, flows into MBR clear water reserviors, adds chlorine dioxide, to ensure pipe network before entering clear water reserviors
Interior chlorine residue requirement.Deliver to reclaimed wastewater reuse pipe network outside factory finally by the lifting of water distribution pump house supply water to user.Other 10,000 m3/d
The pond water outlet of MBR membrane biological reaction through UV sterilize after, enter RO counter-infiltration system carry out advanced treating, subsequently into RO clear water
Pond, delivers to high-quality waterpipe outside factory finally by water distribution pump house and supplies water.Another system 40,000 m3The sewage of/d is through 3mm fine fack
After, by effusion meter metering water quantity, then by anaerobic/anoxic pond, enter Aeration tank, remove the pollutant such as COD, BOD5, N, P,
Add chemical dephosphorization medicament according to water outlet situation, after import treatment plant's water-break main through sedimentation tank precipitate and separate, water outlet, use UV
After sterilization, through bar formula measuring tank metering water quantity, it is ultimately discharged into river course.The excess sludge of two systems all delivers to mud storage pool, by carrying
After the dewaterer of pre-concentration function processes, then carry out harmlessness disposing.By remote input output unit (RI/O), field control station
(LCS), the full factory robot control system(RCS) that CSRC work station (CCS) and factory computer management system (CMS) form.It is to use up
Fine Ethernet, optical fiber industry Ethernet are grid, are equipped with high-performance, highly reliable PLC control station, and have server merit
The control system of the latest generation of energy.System consists of the following components: computer management system (MCS), computer management system
System is made up of director's office computer, chief engineer room computer, laboratory computer and projector demonstrating computer etc., four computers
Connect with 100,000,000 grades of Ethernets, be equipped with the equipment such as printer, UPS uninterrupted power source, projector.It is mainly used in factory
Management, scheduling and function for monitoring.At meeting room, one high-definition large-screen digital projection instrument is set.Projector is capable of enlarged displaying
Full plant process flow, capital equipment operational factor and the data of required whole monitoring computer acquisitions.For management personnel and Pei
Instruction personnel provide real-time, detailed production process data.By Ethernet switch, the Ethernet system of office is become with total
The Ethernet system of electricity institute Central Control Room is connected, and reaches the function such as data sharing, supervision；CSRC work station (CCS), is arranged on
CSRC work station in the Central Control Room of main sub-station is by the two the most hot standby monitoring computers of set, server, printer, UPS
Uninterrupted power source, Ethernet switch and portable programmed computer etc. form.It has been mainly used in the management to factory, tune
Degree, centralized operation, supervision, systemic-function configuration, control parameter online modification and setting, record, report generation and printing, fault
The functions such as warning and printing.The real-time working condition of full factory each technological process section, each technique can be shown intuitively by liquid crystal display
The trend picture of parameter, makes operator grasp full factory ruuning situation in time.Two set computers are the most hot standby.Also set at Central Control Room
It is equipped with a set of DLP projection system.This system is mainly deposited by projecting cell, tiled display controller, central control system, hard disk
The compositions such as storage, matrix switcher and giant-screen application controls software.Broad screen projective system is connected with Central Control Room monitoring computer,
Can will show on giant-screen for information about.Also the video signal of industrial tv monitoring system can be accessed by matrix switcher
Optical projection system shows on giant-screen, can show 12 road video monitoring pictures simultaneously.Computer digit and analogue signal can be greatly
On screen, optional position shows with arbitrary size windowing, and windowing quantity is unrestricted.Field control station (LCS), by west gate
Sub-PLC-400 programmable controller, distributed I/O unit and associated satellite equipment composition.Configurable industrial level as required
Network Interface Module, fieldbus interface module, serial data communication (RS-232/485) interface module, and control station at the scene
Middle installation Siemens touch screen, completes some simple operationss at the scene to facilitate.Network system, standard fiber Ethernet: be responsible for
Data communication between complex building computer management system and total transformer room Central Control Room monitor workstation.Industrial optical fiber Ethernet: negative
Data communication between duty Central Control Room monitor workstation and each field control station PLC.Field high-speed data communication network: adopt
Use profibus-dp network, be responsible for the data communication between PLC main website and slave station and PLC and remote distributed I/O.
Full factory robot control system(RCS) (1) can record important parameter in real time, continuously.To the such as inlet channel of important technical parameter in sewage disposal process
In road pH value, biological tank, in dissolved oxygen (DO) concentration, biological tank, suspended sediment concentration etc. carries out record real-time, continuous, and can
To carry out the inquiry of historical data.(2) alarm signal is automatically processed.When scene occurs to report to the police, display and jingle bell in real time, and
Display and writing function are provided；For great alarm signal (as ultralow in motor stall, liquid level or superelevation etc.), calculate function from
The dynamic control instruction that sends ensures system safety operation record.(3) automatic report generation.In system, the operation conditions of each PLC is every
Can show in form in real time every other hour, each series operation conditions of each order of classes or grades at school shows in real time in form, and can be by wanting
The format print asked.
The invention has the beneficial effects as follows: native system is a set of perfect control integration system.This control system has height
Degree automatization level, well controls Parameters variation.
Accompanying drawing explanation
The flow chart of Tu1Shi sewage treatment plant of the present invention sewage disposal；
Fig. 2 A is the flow chart that single biological tank runs；
Fig. 2 B is the flow chart that single series stops；
Fig. 2 C is the flow chart that biological tank series comprehensive runs.
Detailed description of the invention
Understandable, below in conjunction with the accompanying drawings to the present invention for enabling the above-mentioned purpose of the present invention, feature and advantage to become apparent from
Detailed description of the invention be described in detail, make above and other purpose, feature and the advantage of the present invention to become apparent from.Entirely
The part that reference instruction identical in portion's accompanying drawing is identical.Accompanying drawing the most drawn to scale, it is preferred that emphasis is illustrate this
Bright purport.
First introducing the waste water processes of the present invention, refer to Fig. 1, the sewage in sewage treatment plant basin passes through
Back with water inlet line accesses the sump of lift pump room, by between 2 grids equipped with 8mm coarse rack, intercepts in sewage bigger at this
Enter sewage pump room after impurity, flow into aerated grit chamber after sewage lifting and remove sand grains, be divided into 2 systems the most backward:
One system 60,000 m3The sewage of/d, after 1mm fine fack, by biological tank, subsequently into MBR membrane biological reaction pond, is removed
The pollutant such as COD, BOD5, N, P, wherein 50,000 m3The water outlet of/d, after UV sterilizes, flows into MBR clear water reserviors, before entering clear water reserviors
Add chlorine dioxide, to ensure the chlorine residue requirement in pipe network.Promote finally by water distribution pump house and deliver to reclaimed wastewater reuse pipe outside factory
Net supplies water to user.Other 10,000 m3The MBR membrane biological reaction pond water outlet of/d, after UV sterilizes, enters RO counter-infiltration system and carries out
Advanced treating, subsequently into RO clear water reserviors, delivers to high-quality waterpipe outside factory finally by water distribution pump house and supplies water.Another system 4
Ten thousand m3The sewage of/d is after 3mm fine fack, by effusion meter metering water quantity, then by anaerobic/anoxic pond, enters Aeration tank, goes
Except pollutant such as COD, BOD5, N, P, add chemical dephosphorization medicament according to water outlet situation, after converge through sedimentation tank precipitate and separate, water outlet
Enter treatment plant's water-break main, after using UV sterilization, through bar formula measuring tank metering water quantity, be ultimately discharged into river course.Remaining of two systems
Remaining mud all delivers to mud storage pool, the dewaterer of band pre-concentration function after processing, then carry out harmlessness disposing.Use two set differences
Processing system sewage is respectively processed, i.e. reduce the cost of sewage disposal, the process of different quality can be generated again
Water, the sewage after process can do different purposes according to the difference of quality.
Automatically controlling with lower part is needed: (1) intake pump automatically controls, and automatically controls according to collecting-tank in sewage disposal
The number of units that the startup of intake pump processed and intake pump start, limits the number of starts in separate unit water pump certain time, accumulation water simultaneously
The pump operation time, the boot sequence of water pump was arranged from small to large by the automatic water pump operation time, and during stopping, order is in contrast.
The automatic alternate of water pump can be realized, it is ensured that water pump is always at optimal operational condition.When dry running protection water level switch action,
All water pumps are out of service.(2) thick, fine fack automatically controls, and the operation of grid is automatically controlled by liquid level difference before and after grid, when
After interval exceedes certain time, transfer time control to.The boot sequence of system is: first starts auger conveyor, then opens
Dynamic grid, during stopping, first freeze-frame grid, after grid all discharges into slag bucket, stop auger conveyor again.Water-head setting value, grid
The operation time and cycle of operation adjustable.(3) aerated grit chamber automatically controls, and controls removing of aerated grit chamber according to temporal sequence
Sand machine runs and the operation (being supplied continuously by the air compressor machine on sand removing machine) of air-lift device, and grit water separator joins with sand removing machine
Lock, completes the girt-water separation after air stripping.Aeration tank dissolved oxygen automatically controls, and arranges dissolved oxygen analytic instrument, each air in Aeration tank
The gas flowmeter arranged on arm, is automatically adjusted the aperture of Aeration tank air inlet adjustment valve according to dissolved oxygen setting value in Aeration tank
To keep dissolved oxygen in required set point.(4) sludge reflux amount automatically controls, according to the inflow of Aeration tank, from
Move and control the operating number of loop sludge pump and by the flow of Frequency Converter Control return sludge pump, it is achieved inflow returns with mud
The rational proportion of flow, it is ensured that the steady quality of biological treatment in Aeration tank.(5) sludge concentration and dewatering system automatically controls, dirty
Mud thickening machine controls to include that necessary order is the most chain and programming in logic controls, and (mud chipper, enters mud with auxiliary equipment
Pump, flocculant prepare dosing system, mud cake conveyer, flushing water pump etc.) coordinated signals." step " operation can be realized.
(6) MBR membrane biological reaction pond automatically controls: arrange dissolved oxygen analytic instrument in biological reaction pool, and Aeration tank each air arm sets
Put gas flowmeter, be automatically adjusted the aperture of Aeration tank intake valve to keep dissolved oxygen being wanted according to dissolved oxygen setting value in pond
In the set point asked.Liquidometer is set in pond simultaneously, in order to monitor the fluctuating liquid level in pond, and joins with the suction pump of membranous system
Lock control.Membranous system is according to the aquifer yield of system water flow-control membranous system.Membrane cisterna liquid level is also entered with frequency conversion suction pump simultaneously
Row interlocked control, makes film surface be exposed in air so that the liquid level that prevents membrane cisterna is too low.Film recoil and Chemical cleaning automatically control:
Backwashing period and the chemical flush cycle of membrane component is automatically controlled according to temporal sequence.(7) RO system automatically controls: RO system
According to RO clear water reserviors liquid level and the ruuning situation of distribution pump, control the aquifer yield of membranous system.(8) chlorination automatically controls: according to
Water ratio flow control chlorine dosage, and water outlet chlorine residue is measured.(9) distribution pump automatically controls, according to distribution pump outlet pipe
The pressure set points of the middle water distribution system of water supply in road is automatically adjusted number of units and the rotating speed of distribution pump, permanent with the pressure of grid in ensureing
Fixed.(10) power monitoring, to whole engineering construction power monitoring.Built-in power monitoring program, shows the main electricity of power system
Parameter such as on off state, electric current, voltage, power, electric degree etc., it is achieved monitor, manage the power consumption of this engineering.(11) electrically set
Standby control, motor can by automatically/control on the spot or operate in the way of remote manual control.Mode selects should be by electric at each
Equipment control case/---stop---automatic selector switch selection the most on the spot.Under mode on the spot, electrical equipment operating is not subject to
Robot control system(RCS) controls；Under automated manner, electrical equipment is automatically controlled by affiliated field control station；Under soft manual mode, electricity
Gas equipment is carried out soft manual operation by operator at monitoring station.Major control mode includes, manual mode: pass through local control box
Or the button on MCC realizes the start stop operation to equipment.Soft manual mode: i.e. remote manual control mode.Operator pass through
Operation terminal or the monitored picture Genius mouse of active station or keyboard control field apparatus.Automated manner: the operation of equipment is complete
Entirely completed the on off control to equipment by each PLC according to operating mode and the technological parameter of sewage treatment plant, without artificial dry
In advance.The control hierarchy of three kinds of modes is from high to low: Non-follow control, soft Non-follow control, automatically control.
Counted by remote input output unit (RI/O), field control station (LCS), CSRC work station (CCS) and factory
Calculate the full factory robot control system(RCS) that machine management system (CMS) forms.It is to be system network with fiber optic Ethernet, optical fiber industry Ethernet
Network, is equipped with high-performance, highly reliable PLC control station, and has the control system of the latest generation of server capability.System by with
Under several parts composition:
Computer management system (MCS), computer management system is by director's office computer, chief engineer room computer, laboratory
Computer and projector demonstrating computer etc. form, and four computers connect with 100,000,000 grades of Ethernets, are equipped with printer, UPS not
The equipment such as uninterruptible power, projector.The management to factory, scheduling and function for monitoring are mainly used in it.One is arranged at meeting room
Platform high-definition large-screen digital projection instrument.Projector full plant process flow capable of enlarged displaying, capital equipment operational factor and institute
The data of the whole monitoring computer acquisitions needed.Real-time, detailed production process data is provided for management personnel and start-up.
By Ethernet switch, the Ethernet system of office is connected with the Ethernet system of total electric substation Central Control Room, reaches data
The functions such as shared, supervision.
CSRC work station (CCS), the CSRC work station being arranged in the Central Control Room of main sub-station is by two sets each other
Hot standby monitoring computer, server, printer, UPS uninterrupted power source, Ethernet switch and portable programmed computer etc.
Composition.It is mainly used in the management to factory, scheduling, centralized operation, supervision, systemic-function configuration, control parameter online
The functions such as amendment and setting, record, report generation and printing, fault alarm and printing.Can be shown intuitively by liquid crystal display
The real-time working condition of Shi Quan factory each technological process section, the trend picture of each technological parameter, make operator grasp full factory in time and run
Situation.Two set computers are the most hot standby.It is additionally provided with a set of DLP projection system at Central Control Room.This system mainly by projecting cell,
Tiled display controller, central control system, hard-disc storage, matrix switcher and giant-screen application controls software etc. form.Greatly
Screen prjection system is connected with Central Control Room monitoring computer, can will show on giant-screen for information about.Pass through matrix switcher
Also the video signal of industrial tv monitoring system can be accessed optical projection system to show on giant-screen, 12 road videos can be shown simultaneously
Monitored picture.Computer digit and analogue signal can show with arbitrary size windowing optional position on giant-screen, windowing
Quantity is unrestricted.
Field control station (LCS), by SIEMENS PLC-400 programmable controller, distributed I/O unit and associated satellite
Equipment forms.Configurable industrial level Network Interface Module, fieldbus interface module, serial data communication (RS-as required
232/485) interface module, and install Siemens's touch screen at the scene in control station, completes some at the scene simply grasp to facilitate
Make.
Network system, standard fiber Ethernet: be responsible for complex building computer management system and the monitoring of total transformer room Central Control Room
Data communication between work station.Industrial optical fiber Ethernet: be responsible for Central Control Room monitor workstation and each field control station PLC
Between data communication.Field high-speed data communication network: use profibus-dp network, is responsible for PLC main website and slave station
And the data communication between PLC and remote distributed I/O.
Full factory robot control system(RCS) (1) can record important parameter in real time, continuously.To important technical parameter in sewage disposal process
As in dissolved oxygen (DO) concentration, biological tank in irrigation channel pH value, biological tank suspended sediment concentration etc. carry out real-time, remember continuously
Record, and the inquiry of historical data can be carried out.(2) alarm signal is automatically processed.When scene occur report to the police time, in real time display and
Jingle bell, and display and writing function are provided；For great alarm signal (as ultralow in motor stall, liquid level or superelevation etc.),
Calculate function and automatically send control instruction guarantee system safety operation record.(3) automatic report generation.Each PLC in system
Operation conditions can show the most every other hour in real time in form, and each series operation conditions of each order of classes or grades at school is aobvious in form in real time
Show, and can format print on request.
Partly it is described in further detail respectively automatically controlling separately below.
(1) biological tank automatically controls.Sewage treatment plant is provided with four series of biologic ponds altogether, at computer controlled automatic mould
Under formula, job family columns depends on that flow of inlet water, corresponding relation see table:
Table 1 needs work biological tank series number
The control of each series is described as follows: under computer controlled automatic mode, and operator confirm institute in certain series
When having the manual normal operation of control equipment and " on the spot/far control " permutator to beat to remote control position, on computers by this series
The conversion of " automatic/hand " switch to automatically, then it is all in series that " ready " equipment enters " " control models automatically.The most each list
Solely equipment can switch to " manually " pattern, and handoff procedure does not affect the current operating conditions of residing series.When all in series
When equipment is " automatically " pattern, this sequence of states is shown as " ready ".Control process is as shown in Fig. 2 A, 2B, 2C:
Every 10 minutes (being spaced adjustable), judge the serial number needing to run according to table 1；If desired the quantity run is big
In " ready " number of series, then " ready " series is all put into operation and produce on host computer and report to the police.If desired system is run
Number of columns is less than " ready " series, and the most unnecessary series is set to " standby ".
If raw water flow signals collecting less than, then biological tank series maintains the original state, and on host computer produce report to the police.
For ensureing the balanced operation time of each series, " ready " series is by " RUN " and " standby ", in turn time in turn
It is set to 2 hours (adjustable).
When needs reduce job family number of columns, the series the longest from last time " standby " stream time afterwards will select
As " standby " series；
When needs increase job family number of columns, this " standby " time the longest series will be put into operation.
If having device fails in certain work series, will produce alarm signal on host computer, faulty equipment is by certainly
Dynamic isolation, remaining equipment keeps former running status until chain condition changes.Operator may determine whether to terminate this series
Run；
When fault-signal disappear after, through operator accreditation (on-site manual normally after employing computer Non-follow control
Mode normal operation), equipment is set to " automatically ", comes back in series.
(2) submersible agitator.Under computer controlled automatic pattern, residing biological tank system is depended in the start-stop of submersible agitator
The liquid level of row.For the submersible agitator of variation zone, it runs premise is that variation zone is chosen as " anoxic zone " by operator.?
Operator confirm to run equipment by on-site manual, and normally and " on the spot/far control " permutator is beaten to when far controlling position, at computer
On by residing biological tank series " automatic/hand " switch conversion to automatically, by PLC internal processes, according to biological tank level condition
Start (>3.0m)/stop (<3.0m) submersible agitator.Agitator to variation zone, it automatically controls premise is that variation zone is grasped
Making personnel selection is " anoxic zone ", otherwise keeps halted state.
Elaborate a lot of detail in the above description so that fully understanding the present invention.But above description is only
Presently preferred embodiments of the present invention, the present invention can implement to be much different from alternate manner described here, therefore originally
Invention is not limited by disclosed above being embodied as.The most any those skilled in the art are without departing from the technology of the present invention
In the case of aspects, technical solution of the present invention is made many possible by the method and the technology contents that all may utilize the disclosure above
Variation and modification, or it is revised as the Equivalent embodiments of equivalent variations.Every content without departing from technical solution of the present invention, according to this
The technical spirit of invention, to any simple modification made for any of the above embodiments, equivalent variations and modification, all still falls within skill of the present invention
In the range of the protection of art scheme.
Claims (3)
1. a Control System of Sewage Treatment Plant, it is characterised in that the sewage in sewage treatment plant basin is connect by back with water inlet line
Enter the sump of lift pump room, by between 2 grids equipped with 8mm coarse rack, intercept in sewage at this and enter after bigger impurity
Sewage lifting pump house, flows into aerated grit chamber and removes sand grains, be divided into 2 systems the most backward: a system 60,000 after sewage lifting
m3The sewage of/d, after 1mm fine fack, by biological tank, subsequently into MBR membrane biological reaction pond, removes COD, BOD5, N, P etc.
Pollutant, wherein 50,000 m3The water outlet of/d, after UV sterilizes, flows into MBR clear water reserviors, adds chlorine dioxide before entering clear water reserviors,
With the chlorine residue requirement in guarantee pipe network, deliver to reclaimed wastewater reuse pipe network outside factory finally by the lifting of water distribution pump house and supply water to user；
Other 10,000 m3The MBR membrane biological reaction pond water outlet of/d, after UV sterilizes, enters RO counter-infiltration system and carries out advanced treating, then
Enter RO clear water reserviors, deliver to high-quality waterpipe outside factory finally by water distribution pump house and supply water；Another system 40,000 m3The sewage warp of/d
After 3mm fine fack, by effusion meter metering water quantity, then by anaerobic/anoxic pond, enter Aeration tank, remove COD, BOD5, N, P
Deng pollutant, add chemical dephosphorization medicament according to water outlet situation, after import treatment plant's water-break do through sedimentation tank precipitate and separate, water outlet
Pipe, after using UV sterilization, through bar formula measuring tank metering water quantity, is ultimately discharged into river course；The excess sludge of two systems all delivers to storage
Mud sump, the dewaterer of band pre-concentration function after processing, then carry out harmlessness disposing；By remote input output unit (RI/O),
The automatic control system of full factory that field control station (LCS), CSRC work station (CCS) and factory computer management system (CMS) form
System；It is to be grid with fiber optic Ethernet, optical fiber industry Ethernet, is equipped with high-performance, highly reliable PLC control station, and
There is the control system of the latest generation of server capability.System consists of the following components:
Computer management system (MCS), computer management system is calculated by director's office computer, chief engineer room computer, laboratory
Machine and projector demonstrating computer etc. form, and four computers connect with 100,000,000 grades of Ethernets, are equipped with printer, UPS uninterrupted
The equipment such as power supply, projector；The management to factory, scheduling and function for monitoring are mainly used in it.Meeting room arrange one high
Definition giant-screen digital projection instrument；Projector full plant process flow capable of enlarged displaying, capital equipment operational factor and required
All monitor the data of computer acquisition.Real-time, detailed production process data is provided for management personnel and start-up.Pass through
The Ethernet system of office is connected by Ethernet switch with the Ethernet system of total electric substation Central Control Room, reaches data altogether
Enjoy, the function such as supervision；
CSRC work station (CCS), the CSRC work station being arranged in the Central Control Room of main sub-station is the most hot standby by two sets
The group such as monitoring computer, server, printer, UPS uninterrupted power source, Ethernet switch and portable programmed computer
Become；It is mainly used in the management to factory, scheduling, centralized operation, supervision, systemic-function configuration, control parameter repair online
Change and arrange, recording, report generation and the function such as printing, fault alarm and printing.Can be shown intuitively by liquid crystal display
The real-time working condition of full factory each technological process section, the trend picture of each technological parameter, make operator grasp full factory in time and run feelings
Condition；Two set computers are the most hot standby；Being additionally provided with a set of DLP projection system at Central Control Room, this system is mainly by projecting cell, spelling
Connect the compositions such as display controller, central control system, hard-disc storage, matrix switcher and giant-screen application controls software, large-size screen monitors
Curtain projection system is connected with Central Control Room monitoring computer, can will show on giant-screen for information about, by matrix switcher also
The video signal of industrial tv monitoring system can be accessed optical projection system to show on giant-screen, 12 road video prisons can be shown simultaneously
Controlling picture, computer digit and analogue signal can show with arbitrary size windowing optional position on giant-screen, windowing number
Measure unrestricted；
Field control station (LCS), by SIEMENS PLC-400 programmable controller, distributed I/O unit and associated satellite equipment
Composition；Configurable industrial level Network Interface Module, fieldbus interface module, serial data communication (RS-232/ as required
485) interface module, and control station is installed Siemens's touch screen at the scene, complete some simple operationss at the scene to facilitate；
Network system, standard fiber Ethernet: be responsible for complex building computer management system and the Central Control Room monitoring work of total transformer room
Data communication between standing.Industrial optical fiber Ethernet: be responsible between Central Control Room monitor workstation and each field control station PLC
Data communication.Field high-speed data communication network: use profibus-dp network, be responsible for PLC main website and slave station and
Data communication between PLC and remote distributed I/O；
Full factory robot control system(RCS) (1) can record important parameter in real time, continuously, such as enters important technical parameter in sewage disposal process
In water channel road pH value, biological tank, in dissolved oxygen (DO) concentration, biological tank, suspended sediment concentration etc. carries out record real-time, continuous, and
And the inquiry of historical data can be carried out；(2) alarm signal is automatically processed.When scene occurs to report to the police, display and jingle bell in real time,
And display and writing function are provided；For great alarm signal (as ultralow in motor stall, liquid level or superelevation etc.), computer
Control instruction be can automatically send and system safety operation record ensured；(3) automatic report generation, the operation shape of each PLC in system
Condition can show the most every other hour in real time in form, and each series operation conditions of each order of classes or grades at school shows in real time in form, and energy
Format print on request.
Control System of Sewage Treatment Plant the most according to claim 1, it is characterised in that full factory robot control system(RCS) completes with bottom
That divides automatically controls: intake pump automatically controls, and automatically controls startup and the number of units of intake pump startup of intake pump according to collecting-tank,
Limiting the number of starts in separate unit water pump certain time, accumulation water pump operation time simultaneously, the boot sequence of water pump is by automatically
The water pump operation time arranges from small to large, and during stopping, order is in contrast, when running protection water level switch action, and all water pumps
Out of service；Slightly, fine fack automatically control, the operation of grid is automatically controlled by liquid level difference before and after grid, when interval surpass
After spending certain time, transferring time control to, boot sequence is: first starts auger conveyor, then starts grid, during stopping, first
Freeze-frame grid, stop auger conveyor after grid all discharges into slag bucket again；Aerated grit chamber automatically controls, according to temporal sequence control
The sand removing machine of aerated grit chamber processed runs and the operation of air-lift device, and grit water separator is interlocked with sand removing machine, after completing air stripping
Girt-water separation；Aeration tank dissolved oxygen automatically controls, and arranges dissolved oxygen analytic instrument in Aeration tank, the gas that each air arm is arranged
Flowmeter body, is automatically adjusted the aperture of Aeration tank air inlet adjustment valve to keep dissolved oxygen to exist according to dissolved oxygen setting value in Aeration tank
In required set point；Sludge reflux amount automatically controls, according to the inflow of Aeration tank, automatic control loop sludge pump
Operating number by the flow of Frequency Converter Control return sludge pump, it is achieved inflow and the rational proportion of sludge reflux amount, protects
The steady quality of biological treatment in card Aeration tank；Sludge concentration and dewatering system automatically controls, and sludge thickening dehydrator controls to include
Necessary order is the most chain and programming in logic controls, with mud chipper, enter dredge pump, dosing system prepared by flocculant, mud cake is defeated
Send the coordinated signals of machine and flushing water pump；MBR membrane biological reaction pond automatically controls: arrange dissolved oxygen analysis in biological reaction pool
Instrument, Aeration tank each air arm arranges gas flowmeter, is automatically adjusted Aeration tank intake valve according to dissolved oxygen setting value in pond
Aperture with keep dissolved oxygen in required set point, liquidometer is set in pond simultaneously, in order to monitor the liquid level in pond
Variation, and with the suction pump interlocked control of membranous system, membranous system is according to the aquifer yield of system water flow-control membranous system, simultaneously
Membrane cisterna liquid level also carries out interlocked control with frequency conversion suction pump, makes film surface be exposed in air so that the liquid level that prevents membrane cisterna is too low；
Film recoil and Chemical cleaning automatically control: automatically control backwashing period and the chemical flush week of membrane component according to temporal sequence
Phase；RO system automatically controls: RO system, according to RO clear water reserviors liquid level and the ruuning situation of distribution pump, controls the product water of membranous system
Amount；Chlorination automatically controls: according to water ratio flow control chlorine dosage, and be measured water outlet chlorine residue；Distribution pump is controlled automatically
System, is automatically adjusted number of units and the rotating speed of distribution pump, to protect according to the pressure set points of the middle water distribution system of water supply of distribution pump outlet pipeline
In card, the pressure of grid is constant；Power monitoring, to whole engineering construction power monitoring；Built-in power monitoring program, display electricity
The main electrical parameter of Force system such as on off state, electric current, voltage, power, electric degree etc., it is achieved monitor, manage the electric power of this engineering
Consume；Electrical equipment controls, motor can by automatically/control on the spot or operate in the way of remote manual control, mode selects to lead to
Cross and select at each electrical equipment control chamber/--stop--the most on the spot automatic selector switch, under mode on the spot, electrically set
Received shipment turns not by robot control system(RCS) control；Under automated manner, electrical equipment is automatically controlled by affiliated field control station；Soft manually
Under mode, electrical equipment is carried out soft manual operation by operator at monitoring station, and major control mode includes, manual mode: pass through
Button on local control box or MCC realizes the start stop operation to equipment, soft manual mode: i.e. remote manual control mode, behaviour
Make personnel and control field apparatus by operation terminal or the monitored picture Genius mouse of active station or keyboard, automated manner: set
Standby operation is completed the on off control to equipment by each PLC according to the operating mode of sewage treatment plant and technological parameter completely, and not
Need manual intervention.The control hierarchy of three kinds of modes is from high to low: Non-follow control, soft Non-follow control, automatically control.
Control System of Sewage Treatment Plant the most according to claim 2, it is characterised in that described MBR membrane biological reaction pond is certainly
Dynamic control includes, sewage treatment plant is provided with four series of biologic ponds, under computer controlled automatic pattern, job family columns altogether
Depend on that flow of inlet water, corresponding relation see table:
Under automatic control mode, operator in confirming certain series all manual normal operations of control equipment and " on the spot/remote
Control " permutator is when beating to remote control position, and on computers " automatic/hand " of this series is switched conversion to automatically, be then
It is all in row that " ready " " " control model, the most each specific installation can switch to " manually " pattern, switching automatically in equipment entrance
Process does not affect the current operating conditions of residing series, when all devices is " automatically " pattern in series, this sequence of states
It is shown as " ready ", controls process as follows:
Every 10 minutes (being spaced adjustable), judge the serial number needing to run according to table 1；If desired the quantity run is more than
" ready " number of series, then all put into operation " ready " series and produce on host computer and report to the police.If desired running series
Quantity is less than " ready " series, and the most unnecessary series is set to " standby "；
If raw water flow signals collecting less than, then biological tank series maintains the original state, and on host computer produce report to the police；
For ensureing the balanced operation time of each series, " ready " series is by " RUN " and " standby " in turn, and the time is set to 2 in turn
Hour (adjustable)；
When needs reduce job family number of columns, from the longest series of last time " standby " stream time afterwards will select as
" standby " series；
When needs increase job family number of columns, this " standby " time the longest series will be put into operation；
If having device fails in certain work series, will produce alarm signal on host computer, faulty equipment by automatic every
From, remaining equipment keeps former running status until chain condition changes, and operator may determine whether to terminate the operation of this series；
When fault-signal disappear after, through operator accreditation (on-site manual normally after employing computer manual control mode
Normal operation), equipment is set to " automatically ", comes back in series.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610800059.8A CN106227147A (en) | 2016-08-31 | 2016-08-31 | Control system of sewage treatment plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610800059.8A CN106227147A (en) | 2016-08-31 | 2016-08-31 | Control system of sewage treatment plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106227147A true CN106227147A (en) | 2016-12-14 |
Family
ID=58075412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610800059.8A Pending CN106227147A (en) | 2016-08-31 | 2016-08-31 | Control system of sewage treatment plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106227147A (en) |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106904673A (en) * | 2017-03-21 | 2017-06-30 | 宜兴华都琥珀环保机械制造有限公司 | Sewage disposal system and its operation method |
| CN107055959A (en) * | 2017-04-19 | 2017-08-18 | 重庆四通八达管业有限公司 | A kind of domestic sewage treatment device |
| CN107132829A (en) * | 2017-06-29 | 2017-09-05 | 上海毅匹玺建筑科技有限公司 | Full Intelligent central house control system |
| CN107505919A (en) * | 2017-07-25 | 2017-12-22 | 广州广重分离机械有限公司 | A kind of centrifuge network control system |
| CN107540169A (en) * | 2017-10-16 | 2018-01-05 | 合肥清原自控科技有限公司 | A kind of sewage treatment control system and its processing method |
| CN108059200A (en) * | 2017-09-04 | 2018-05-22 | 内蒙古久科康瑞环保科技有限公司 | The control method of industrial wastewater modularized treatment system |
| CN108059199A (en) * | 2017-09-04 | 2018-05-22 | 内蒙古久科康瑞环保科技有限公司 | Industrial wastewater modularized treatment system |
| CN109064048A (en) * | 2018-08-14 | 2018-12-21 | 时代华瑞（北京）环境科技有限公司 | Quickly check method and system in discharge of wastewater source based on wastewater treatment process analysis |
| CN110054345A (en) * | 2018-11-09 | 2019-07-26 | 上海园林绿化建设有限公司 | A kind of method for restoring wetland ecosystem |
| CN110590068A (en) * | 2019-09-27 | 2019-12-20 | 李卫星 | Sewage recycling system that district was used |
| CN110968024A (en) * | 2019-10-14 | 2020-04-07 | 广东科创工程技术有限公司 | Method for collecting data of various different complete equipment of sewage plant |
| CN112456731A (en) * | 2020-11-13 | 2021-03-09 | 苏州弘毅环境科技有限公司 | Sewage treatment control method and system based on MBR process |
| CN112707582A (en) * | 2020-11-25 | 2021-04-27 | 国网河北省电力有限公司电力科学研究院 | Pretreatment system for reusing municipal sewage in thermal power plant |
| CN114249456A (en) * | 2021-12-15 | 2022-03-29 | 无锡学院 | Pretreatment method of wastewater of centralized garbage transfer station |
| CN114506983A (en) * | 2021-12-29 | 2022-05-17 | 武汉湖振煜环境科技有限公司 | Abnormal backflow monomer shielding device for sludge treatment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008129573A1 (en) * | 2007-04-18 | 2008-10-30 | Nitro Clean Energy S.R.L. | System and process for the treatment of waste water |
| CN101928096A (en) * | 2009-12-28 | 2010-12-29 | 清华大学 | Sewage treatment method and system in ecological sensitive areas |
| CN201704164U (en) * | 2010-02-05 | 2011-01-12 | 梁涛 | Control subsystem of sewage treatment plant |
| CN103823418A (en) * | 2012-11-17 | 2014-05-28 | 安徽蓝德集团股份有限公司 | PLC control system for urban sewage treatment plants |
-
2016
- 2016-08-31 CN CN201610800059.8A patent/CN106227147A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008129573A1 (en) * | 2007-04-18 | 2008-10-30 | Nitro Clean Energy S.R.L. | System and process for the treatment of waste water |
| CN101928096A (en) * | 2009-12-28 | 2010-12-29 | 清华大学 | Sewage treatment method and system in ecological sensitive areas |
| CN201704164U (en) * | 2010-02-05 | 2011-01-12 | 梁涛 | Control subsystem of sewage treatment plant |
| CN103823418A (en) * | 2012-11-17 | 2014-05-28 | 安徽蓝德集团股份有限公司 | PLC control system for urban sewage treatment plants |
Non-Patent Citations (2)
| Title |
|---|
| 张桐: "基于Serial Server的污水厂远程监控系统的设计与实现", 《中国优秀硕士学位论文全文数据库（电子期刊）工程科技I辑》 * |
| 杨国军: "大庆燃机电厂污水再生及再利用探讨", 《中国优秀硕士学位论文全文数据库（电子期刊）工程科技I辑》 * |
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106904673A (en) * | 2017-03-21 | 2017-06-30 | 宜兴华都琥珀环保机械制造有限公司 | Sewage disposal system and its operation method |
| CN107055959A (en) * | 2017-04-19 | 2017-08-18 | 重庆四通八达管业有限公司 | A kind of domestic sewage treatment device |
| CN107132829A (en) * | 2017-06-29 | 2017-09-05 | 上海毅匹玺建筑科技有限公司 | Full Intelligent central house control system |
| CN107505919A (en) * | 2017-07-25 | 2017-12-22 | 广州广重分离机械有限公司 | A kind of centrifuge network control system |
| CN108059200A (en) * | 2017-09-04 | 2018-05-22 | 内蒙古久科康瑞环保科技有限公司 | The control method of industrial wastewater modularized treatment system |
| CN108059199A (en) * | 2017-09-04 | 2018-05-22 | 内蒙古久科康瑞环保科技有限公司 | Industrial wastewater modularized treatment system |
| CN107540169B (en) * | 2017-10-16 | 2020-09-11 | 合肥清原自控科技有限公司 | Sewage treatment control system and treatment method thereof |
| CN107540169A (en) * | 2017-10-16 | 2018-01-05 | 合肥清原自控科技有限公司 | A kind of sewage treatment control system and its processing method |
| CN109064048B (en) * | 2018-08-14 | 2020-09-25 | 时代华瑞（北京）环境科技有限公司 | Wastewater discharge source rapid investigation method and system based on wastewater treatment process analysis |
| CN109064048A (en) * | 2018-08-14 | 2018-12-21 | 时代华瑞（北京）环境科技有限公司 | Quickly check method and system in discharge of wastewater source based on wastewater treatment process analysis |
| CN110054345A (en) * | 2018-11-09 | 2019-07-26 | 上海园林绿化建设有限公司 | A kind of method for restoring wetland ecosystem |
| CN110590068A (en) * | 2019-09-27 | 2019-12-20 | 李卫星 | Sewage recycling system that district was used |
| CN110968024A (en) * | 2019-10-14 | 2020-04-07 | 广东科创工程技术有限公司 | Method for collecting data of various different complete equipment of sewage plant |
| CN110968024B (en) * | 2019-10-14 | 2022-04-01 | 广东科创智水科技有限公司 | Method for collecting data of various different complete equipment of sewage plant |
| CN112456731A (en) * | 2020-11-13 | 2021-03-09 | 苏州弘毅环境科技有限公司 | Sewage treatment control method and system based on MBR process |
| CN112456731B (en) * | 2020-11-13 | 2021-08-13 | 苏州弘毅环境科技有限公司 | Sewage treatment control method and system based on MBR process |
| CN112707582A (en) * | 2020-11-25 | 2021-04-27 | 国网河北省电力有限公司电力科学研究院 | Pretreatment system for reusing municipal sewage in thermal power plant |
| CN114249456A (en) * | 2021-12-15 | 2022-03-29 | 无锡学院 | Pretreatment method of wastewater of centralized garbage transfer station |
| CN114506983A (en) * | 2021-12-29 | 2022-05-17 | 武汉湖振煜环境科技有限公司 | Abnormal backflow monomer shielding device for sludge treatment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106227147A (en) | Control system of sewage treatment plant | |
| CN103197539B (en) | The method of wastewater disposal intelligent optimization control aeration quantity | |
| RU2376451C1 (en) | Complex automation system of hydrat formation ihybitor distribution and dosage | |
| CN107540169B (en) | Sewage treatment control system and treatment method thereof | |
| CN201963537U (en) | Intelligent pumping station monitoring and energy-saving system | |
| CN109761456A (en) | One kind being used for sewage treatment plant's electric control system | |
| CN201842702U (en) | Full-automatic intelligent circulating water treatment device | |
| CN202148223U (en) | Constructed wetland system based on automatic intelligent control | |
| CN103910422A (en) | Intelligent vanadium preparing and adding method and concentration and liquid level algorithm for vanadium preparing | |
| CN102053615B (en) | Control system and control method of unsteady-state sectional influent water depth nitrogen and phosphorus removal process | |
| CN116088450A (en) | Intelligent terminal control system of sewage treatment plant, construction method and control method | |
| CN111547948A (en) | Optimized operation method of integrated sewage treatment equipment | |
| CN201749385U (en) | Water plant dosage control system for feedforward-feedback composite control | |
| CN105347627A (en) | Movable MBR-process sewage treatment device and treatment method thereof | |
| CN106365381A (en) | Reflux pump control method in sewage treatment plant | |
| CN206532125U (en) | control system of sewage treatment plant | |
| CN112645441B (en) | Operation early warning system and method for dispersed micro sewage treatment device | |
| CN111960613A (en) | Accurate dephosphorization medicine system of sewage treatment plant | |
| CN202527006U (en) | Integral water purifier with PLC (Programmable Logic Controller) intelligent control | |
| CN103592910A (en) | Sewage treatment control system based on PLC | |
| CN204406177U (en) | A kind of wastewater treatment supervisory system with alarm function | |
| CN205061813U (en) | Sewage treatment system based on data collecting and monitoring integration | |
| CN201936179U (en) | Unstable improved sectional inlet water depth denitrification and dephosphorization progress control system | |
| CN113144689A (en) | Method for refined back-flushing control technology of tap water V-shaped filter tank | |
| CN203930457U (en) | Power plant water total digitalization monitoring system and self-equilibrating water utilities system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| AD01 | Patent right deemed abandoned | ||
| AD01 | Patent right deemed abandoned |
Effective date of abandoning: 20190409 |