CN205740480U - A kind of biological tank intelligence aerating system - Google Patents
A kind of biological tank intelligence aerating system Download PDFInfo
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- CN205740480U CN205740480U CN201620427036.2U CN201620427036U CN205740480U CN 205740480 U CN205740480 U CN 205740480U CN 201620427036 U CN201620427036 U CN 201620427036U CN 205740480 U CN205740480 U CN 205740480U
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- aerobic zone
- automatic control
- control assembly
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- aeration
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Activated Sludge Processes (AREA)
Abstract
nullThis utility model relates to sewage treatment area，Particularly relate to a kind of biological tank intelligence aerating system，System includes: host computer、MCP switch board、Blower unit、Blowing line、Aeration tank、PLC automatic control assembly、Inlet channel、Outlet conduit and fluid flowmeter，Host computer respectively with MCP switch board、PLC automatic control assembly and blower unit connect，Host computer is used for controlling MCP switch board、PLC automatic control assembly and blower unit，MCP switch board is also connected with described blower unit，Blower unit is also connected with one end of blowing line，The other end of blowing line is connected with Aeration tank，MCP switch board is used for controlling blower unit and is supplied to described Aeration tank by blowing line，Use host computer、MCP switch board and PLC automatic control assembly、To the Based Intelligent Control of blower unit in Aeration tank，Make the stability of blower unit higher.
Description
Technical field
This utility model relates to sewage treatment area, particularly relates to a kind of biological tank intelligence aeration
System.
Background technology
Sewage disposal process by activated sludge process is the principal mode of sewage treatment plants, wherein
Biological tank to control technology be the important leverage of biological tank stable operation.At present, at domestic sewage
Reason factory is the most backward, and major part is still and controls manually, and some municipal sewage plant introduces
All or local computer controls, it is achieved that full-automatic or semiautomatic control, but control mode
Mostly use and weigh opened loop control and the simple closed loop control with DO as feedback quantity.Artificial Control
It is the Sewage Plant operator deviation situations for Real-time process ruuning situation and dissolved oxygen, with warp
Test and artificially aerator or valve opening are adjusted, thus it is dense to control the dissolved oxygen in biological tank
Degree；Weigh opened loop control be the Sewage Plant experience with process engineer, according to its water yield intake,
Regular of Water Quality Variation, is manually set blower air quantity and the aperture of each airduct regulation valve, reaches
Weigh conveying aeration；Simple closed loop control with DO as feedback quantity be utilize in biological tank aerobic
The DO determination value of the dissolved oxygen detector of section and the difference of dissolved oxygen setting value, controlled by PID
After device algorithm computing processed, the opening amount signal of output drum rotation speed of fan frequency signal or electrically operated valve enters
Row regulation, and then control the dissolved oxygen concentration of biological tank.Above-mentioned three kinds of methods are individually present following
Problem:
1, controlling completely by operator's execute-in-place manually, technological parameter can not get reliably
Ensureing, after sewage disposal, effluent characteristics is difficult to ensure that, poor stability, the operation work of operator
Intensity is big, and capital equipment and device can not be operated in optimum state.
2, weighing opened loop control and be generally equipped with host computer, operator can be imitation screen or behaviour
The the starting or stoping of remote control part equipment in station, and some equipment controls to need contact scene behaviour
Making personnel, by site operation people's Non-follow control, the data in production need manual record.This
Control mode is unsuitable for influent load bigger fluctuation Sewage Plant, refers to sometimes for reaching water outlet
Mark, often excess aeration, cause aeration power consumption higher, additionally need artificial frequent intervention,
The middle delay that there is artificial contact, makes effluent characteristics have bigger fluctuation, the work of operator
Intensity is the biggest.
3, the simple closed loop control with DO as feedback quantity has bigger time delay, dissolved oxygen
Fluctuation of concentration is relatively big, affects the water quality of water outlet.
Utility model content
The purpose of this utility model is to provide a kind of biological tank intelligence aerating system, it is intended to solve
The problem that existing sewage treatment plant automaticity is the highest, the water quality of Aeration tank water outlet is bad.
This utility model provides a kind of biological tank intelligence aerating system, including: host computer, MCP
Switch board, blower unit, blowing line, Aeration tank, PLC automatic control assembly, inlet channel,
Outlet conduit, fluid flowmeter；
Host computer is connected with MCP switch board, PLC automatic control assembly and blower unit respectively, on
Position machine is used for controlling MCP switch board, PLC automatic control assembly and blower unit；
MCP switch board is also connected with blower unit, and blower unit is also with one end of blowing line even
Connecing, the other end of blowing line is connected with Aeration tank, and MCP switch board is used for controlling blower unit
Supplied to Aeration tank by blowing line；
Inlet channel is connected with described Aeration tank, and Aeration tank is also connected with outlet conduit, water inlet pipe
The water that road will purify is input to Aeration tank, then passes through the water output after outlet conduit will purify；
Being also equipped with fluid flowmeter in inlet channel, fluid flowmeter is with PLC automatic control assembly even
Connect, the discharge in input exposure pond in measuring inlet channel, and will input in inlet channel
The water flow signal in exposure pond feeds back to PLC automatic control assembly.
Further, blowing line is also equipped with house steward's electrodynamic valve and house steward's gas flow
Meter；
House steward's electrodynamic valve, house steward's gas flowmeter are also connected with PLC automatic control assembly, and house steward is electronic
Valve is for controlling the aperture size of blowing line, and is fed back by the aperture high low signal of blowing line
To PLC automatic control assembly；
House steward's gas flowmeter is used for measuring blowing line and supplies gas flow to Aeration tank, and by air blast
Pipeline feeds back to PLC automatic control assembly to Aeration tank uninterrupted signal of supplying gas.
Further, Aeration tank includes anaerobic zone, anoxic zone and aerobic zone, and aerobic zone includes
First aerobic zone, the second aerobic zone and the 3rd aerobic zone, blowing line is also equipped with first
Pipe electrodynamic valve, the first branched pipe gas effusion meter, the second arm electrodynamic valve, the second branched pipe gas stream
Gauge, the 3rd arm electrodynamic valve, the 3rd branched pipe gas effusion meter, the first arm electrodynamic valve,
One branched pipe gas effusion meter, the second arm electrodynamic valve, the second branched pipe gas effusion meter, the 3rd
Pipe electrodynamic valve, the 3rd branched pipe gas effusion meter are also connected with described PLC automatic control assembly；
First arm electrodynamic valve is used for controlling the aeration aperture size of the first aerobic zone, and by first
The aeration aperture high low signal of aerobic zone feeds back to PLC automatic control assembly, the first branched pipe gas flow
Meter is for measuring the aeration uninterrupted of the first aerobic zone, and the first aerobic zone measurement arrived exposes
Throughput high low signal feeds back to PLC automatic control assembly.
Second arm electrodynamic valve is used for controlling the aeration aperture size of the second aerobic zone, and by second
The aeration aperture high low signal of aerobic zone feeds back to PLC automatic control assembly, the second branched pipe gas flow
Meter is for measuring the aeration uninterrupted of the second aerobic zone, and the second aerobic zone measurement arrived exposes
Throughput high low signal feeds back to PLC automatic control assembly.
3rd arm electrodynamic valve is used for controlling the aeration aperture size of the 3rd aerobic zone, and by the 3rd
The aeration aperture high low signal of aerobic zone feeds back to PLC automatic control assembly, the 3rd branched pipe gas flow
Meter is for measuring the aeration uninterrupted of the 3rd aerobic zone, and the 3rd aerobic zone measurement arrived exposes
Throughput high low signal feeds back to PLC automatic control assembly.
Further, online intelligent ammonia nitrogen analyser, online intelligent ammonia nitrogen are installed in anoxic zone
Analyser is also connected with PLC automatic control assembly, and online intelligent ammonia nitrogen analyser is used for measuring anoxic zone
Interior ammonia nitrogen concentration, then the ammonia nitrogen concentration signal in anoxic zone is fed back to PLC automatic control assembly.
Further, the first online dissolved oxygen meter is installed in the first aerobic zone, first
Line dissolved oxygen meter is also connected with PLC automatic control assembly, and the first online dissolved oxygen meter is used for
Measure the dissolved oxygen concentration in the first aerobic zone, then by dissolved oxygen concentration signal in the first aerobic zone
Feed back to PLC automatic control assembly.
Further, in the second aerobic zone, it is also equipped with the second online dissolved oxygen meter, second
Online dissolved oxygen meter is also connected with PLC automatic control assembly, and the second online dissolved oxygen meter is used
Dissolved oxygen concentration in measuring the second aerobic zone, then dissolved oxygen concentration in the second aerobic zone is believed
Number feed back to described PLC automatic control assembly.
Further, it is also equipped with online dissolved oxygen in the 3rd aerobic zone and sludge concentration measures
Instrument, online dissolved oxygen and sludge concentration analyzer are also connected with PLC automatic control assembly, dissolve online
Oxygen and sludge concentration analyzer are used for measuring the dissolved oxygen concentration in the 3rd aerobic zone and mud is dense
Degree, then the dissolved oxygen concentration in the 3rd aerobic zone and sludge concentration signal are fed back to PLC automatic control
Assembly.
Further, it is also equipped with online ammonia nitrogen and nitrate intellectual analysis in the 3rd aerobic zone
Instrument, online ammonia nitrogen and nitrate intelligent analytical instrument are also connected with PLC automatic control assembly, online ammonia nitrogen
And nitrate intelligent analytical instrument is used for measuring the ammonia nitrogen in the 3rd aerobic zone and nitrate concentration, then
Ammonia nitrogen in 3rd aerobic zone and nitrate concentration signal are fed back to PLC automatic control assembly.
Further, mud nitrification intelligent analytical instrument, mud nitre it are also equipped with in the 3rd aerobic zone
Changing intelligent analytical instrument to be also connected with PLC automatic control assembly, mud nitrification intelligent analytical instrument is used for measuring
Mud nitrification situation in 3rd aerobic zone, then the mud nitrification situation in the 3rd aerobic zone is believed
Number feed back to PLC automatic control assembly.
The beneficial effects of the utility model: use host computer, MCP switch board and PLC automatic control group
Part, to the Based Intelligent Control of blower unit in Aeration tank, make the stability of blower unit higher, enter
One step ground, is divided into the first aerobic zone, the second aerobic zone and the 3rd good by the aerobic zone of Aeration tank
Three aerobic zones are used degression type aeration by oxygen district respectively, it is possible to saving gas, raising gas
Utilization rate.
Accompanying drawing explanation
Fig. 1 is the stream of a kind of biological tank intelligence aerating system in this utility model one embodiment
Cheng Tu；
Fig. 2 is a kind of biological tank intelligence aerating system in another embodiment of this utility model
Structural representation.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearer, below
In conjunction with the drawings and specific embodiments, this utility model is described in further detail.
The flow process of a kind of biological tank intelligence aerating system in Fig. 1 this utility model one embodiment
Figure.With reference to Fig. 1, this utility model embodiment provides a kind of biological tank intelligence aerating system,
Including: host computer 100, MCP switch board 200, blower unit 300, blowing line 400,
Aeration tank 500, PLC automatic control assembly 600, inlet channel 700, outlet conduit 800 and liquid
Flowmeter body 900；
Host computer 100 is connected with MCP switch board 200 and PLC automatic control assembly 600 respectively, on
Position machine 100 is used for controlling MCP switch board 200 and PLC automatic control assembly 600, MCP switch board
200 are also connected with PLC automatic control assembly 600, the signal letter that PLC automatic control assembly 600 will use
Breath feeds back to MCP switch board 200；
MCP switch board 200 is also connected with blower unit 300, and blower unit 300 is gone back and air blast
One end of pipeline 400 connects, and the other end of blowing line 400 is connected with Aeration tank 500, MCP
Switch board 200 is used for controlling blower unit 300 and by blowing line 400 to Aeration tank 500
Supply；
Inlet channel 700 is connected with Aeration tank 500, Aeration tank 50 also with outlet conduit 800
Connecting, the water that inlet channel 700 will purify is input to Aeration tank 500, then passes through outlet pipe
Water after road 800 will purify exports；
Fluid flowmeter 900, fluid flowmeter 900 and PLC it is also equipped with in inlet channel 700
Automatic control assembly 600 connects, the current in input exposure pond 500 in measuring inlet channel 700
Amount, and the water flow signal in input exposure pond 500 in inlet channel 700 is fed back to described
PLC automatic control assembly 600.
A kind of biological tank intelligence aerating system of this utility model embodiment, by PLC automatic control assembly
600 monitor the discharge in Aeration tank 500 by fluid flowmeter 900, feed back to host computer
100, host computer 100 control MCP switch board 200, MCP switch board 200 controls aerator
Group 300 also supplies to Aeration tank 500 by blowing line 400.
Fig. 2 is a kind of biological tank intelligence aerating system in another embodiment of this utility model
Structural representation.With reference to Fig. 2, another embodiment of this utility model provides another kind of biological tank
Intelligence aerating system, a kind of biological tank intelligence aerating system, including: host computer 1, MCP are controlled
Cabinet 2 processed, blower unit 3, blowing line 27, Aeration tank (end marks), PLC automatic control group
Part 12, inlet channel 25, outlet conduit 26, fluid flowmeter 13.
Aeration tank includes anaerobic zone 20, anoxic zone 21 and aerobic zone (end marks), aerobic
District includes the 22, second aerobic zone, the first aerobic zone 23 and the 3rd aerobic zone 24, the present embodiment
It is distinguished into three districts aerobic, then takes the 22, second aerobic zone 23, the first aerobic zone and
Three aerobic zone 24 degression type aerations, can saving gas, the utilization rate of raising gas.
Host computer 1 is connected with MCP switch board 2 and PLC automatic control assembly 12 respectively, host computer
1 is used for controlling MCP switch board 2 and PLC automatic control assembly 12.
MCP switch board 2 is also connected with blower unit 3, blower unit 3 also with blowing line 27
One end connect, the other end of blowing line 27 is connected with Aeration tank, and MCP switch board 2 is used
In controlling blower unit 3 and being supplied to Aeration tank, on blowing line 27 by blowing line 27
It is also equipped with house steward's electrodynamic valve 4 and house steward's gas flowmeter 5, house steward's electrodynamic valve 4 and house steward's gas
Flowmeter body 5 is also connected with PLC automatic control assembly 12, and house steward's electrodynamic valve 4 is used for controlling air blast
The aperture size of pipeline 27, and the aperture high low signal of blowing line 27 is fed back to PLC certainly
Control assembly 12.
House steward's gas flowmeter 5 is measured blowing line 27 and is supplied gas flow to Aeration tank, and will drum
Wind pipeline 27 feeds back to PLC automatic control assembly 12 to Aeration tank uninterrupted signal of supplying gas.
Inlet channel 25 is connected with Aeration tank, Aeration tank is also connected with outlet conduit 26, water inlet
The water that pipeline 25 will purify is input to Aeration tank, then after being purified by outlet conduit 26
Water exports.
Fluid flowmeter 13, fluid flowmeter 13 and PLC it is also equipped with in inlet channel 25
Automatic control assembly 12 connects, and in inlet channel 25 measured by fluid flowmeter 13, input exposes pond
Discharge, and the water flow signal in input exposure pond in inlet channel 25 is fed back to PLC certainly
Control assembly 12.
Blowing line 27 be also equipped with first arm electrodynamic valve the 6, first branched pipe gas effusion meter 9,
Second arm electrodynamic valve the 7, second branched pipe gas effusion meter 10, the 3rd arm electrodynamic valve 8,
Three branched pipe gas effusion meters 11, first arm electrodynamic valve the 6, first branched pipe gas effusion meter 9,
Second arm electrodynamic valve the 7, second branched pipe gas effusion meter 10, the 3rd arm electrodynamic valve 8,
Three branched pipe gas effusion meters 11 are also connected with PLC automatic control assembly 12；
First arm electrodynamic valve 6 controls the aeration aperture size of the first aerobic zone 22, and by
The aeration aperture high low signal of one aerobic zone 22 feeds back to PLC automatic control assembly 12, the first arm
Gas flowmeter 9 measures the aeration uninterrupted of the first aerobic zone 22, and measurement arrived
One aerobic zone 22 aeration uninterrupted signal feeds back to PLC automatic control assembly 12.
Second arm electrodynamic valve 7 controls the aeration aperture size of the second aerobic zone 23, and by
The aeration aperture high low signal of two aerobic zones 23 feeds back to PLC automatic control assembly the 12, second arm
Gas flowmeter 10 measures the aeration uninterrupted of the second aerobic zone 23, and measurement arrived
Two aerobic zone 23 aeration uninterrupted signals feed back to PLC automatic control assembly 12.
3rd arm electrodynamic valve 8 controls the aeration aperture size of the 3rd aerobic zone 24, and by
The aeration aperture high low signal of three aerobic zones 24 feeds back to PLC automatic control assembly the 12, the 3rd arm
Gas flowmeter 11 measures the aeration uninterrupted of the 3rd aerobic zone 24, and measurement arrived
Three aerobic zone 24 aeration uninterrupted signals feed back to PLC automatic control assembly 12.
Aerobic zone is divided into the 22, second aerobic zone 23, the first aerobic zone by this utility model embodiment
And the 3rd aerobic zone 24, use degression type aeration, and respectively with the first arm electrodynamic valve 6,
First branched pipe gas effusion meter the 9, second arm electrodynamic valve the 7, second branched pipe gas effusion meter 10,
Three aerobic zones are controlled by the 3rd arm electrodynamic valve the 8, the 3rd branched pipe gas effusion meter 11 respectively,
Can saving gas, the utilization rate of raising gas.
Preferably, online intelligent ammonia nitrogen analyser 14, online ammonia nitrogen are installed in anoxic zone 21
Intelligent analytical instrument 14 is also connected with PLC automatic control assembly 12, online intelligent ammonia nitrogen analyser 14
Measure the ammonia nitrogen concentration in anoxic zone, then the ammonia nitrogen concentration signal in anoxic zone 14 is fed back to
PLC automatic control assembly 12, uses online intelligent ammonia nitrogen analyser 14, it is possible to monitor anoxia in real time
The ammonia nitrogen concentration in district 21.
Preferably, the first online dissolved oxygen meter 15 is installed in first aerobic zone 22, the
One online dissolved oxygen meter 15 is also connected with PLC automatic control assembly 12, the first online dissolved oxygen
The dissolved oxygen concentration in the first aerobic zone 22 measured by analyzer 15, then by the first aerobic zone 22
Interior dissolved oxygen concentration signal feeds back to PLC automatic control assembly 12, uses the first online dissolved oxygen to survey
Determine instrument 15 and can monitor the dissolved oxygen concentration in the first aerobic zone 22 in real time.
Preferably, in the second aerobic zone 23, it is also equipped with the second online dissolved oxygen meter 16,
Second online dissolved oxygen meter 16 is also connected with PLC automatic control assembly 12, and second dissolves online
The dissolved oxygen concentration in the second aerobic zone 23 measured by oxygen analyzer 16, then by the second aerobic zone
In 23, dissolved oxygen concentration signal feeds back to PLC automatic control assembly 12, uses the second online dissolved oxygen
Analyzer 16, it is possible to dissolved oxygen concentration in monitoring the second aerobic zone 23 in real time.
Preferably, it is also equipped with online dissolved oxygen in the 3rd aerobic zone 24 and sludge concentration measures
Instrument 17, online dissolved oxygen and sludge concentration analyzer 17 are also connected with PLC automatic control assembly 12,
The dissolved oxygen concentration in the 3rd aerobic zone 24 measured by online dissolved oxygen and sludge concentration analyzer 17
And sludge concentration, then by anti-to the dissolved oxygen concentration in the 3rd aerobic zone 24 and sludge concentration signal
Feed PLC automatic control assembly 24, use online dissolved oxygen and sludge concentration analyzer 17, it is possible to
Dissolved oxygen concentration in monitoring the 3rd aerobic zone 24 and sludge concentration in real time.
Preferably, it is also equipped with online ammonia nitrogen and nitrate intellectual analysis in the 3rd aerobic zone 24
Instrument 18, online ammonia nitrogen and nitrate intelligent analytical instrument 18 are also connected with PLC automatic control assembly 12,
Online ammonia nitrogen and nitrate intelligent analytical instrument 18 measure the ammonia nitrogen in the 3rd aerobic zone 24 and nitric acid
Salinity, then the ammonia nitrogen in the 3rd aerobic zone 24 and nitrate concentration signal are fed back to PLC
Automatic control assembly 12, uses online ammonia nitrogen and nitrate intelligent analytical instrument 18, it is possible to monitor in real time
Ammonia nitrogen in 3rd aerobic zone 24 and nitrate concentration.
Preferably, in the 3rd aerobic zone 24, it is also equipped with mud nitrification intelligent analytical instrument 19, dirty
Mud nitrification intelligent analytical instrument 19 is also connected with PLC automatic control assembly 12, mud nitrification intellectual analysis
The mud nitrification situation in the 3rd aerobic zone 24 measured by instrument 19, then by the 3rd aerobic zone 24
Mud nitrification status signals feed back to PLC automatic control assembly 12, use mud nitrification intelligence to divide
Analyzer 19, it is possible to the mud nitrification situation in monitoring the 3rd aerobic zone 24 in real time.
This utility model embodiment, with ammonia nitrogen value for controlling target, is analyzed by online intelligent ammonia nitrogen
The online dissolved oxygen meter of instrument 14, first 15, second online dissolved oxygen meter 16, online
Dissolved oxygen and sludge concentration analyzer 17, online ammonia nitrogen and nitrate intelligent analytical instrument 18 and
Mud nitrification intelligent analytical instrument 19 is had to feed back to PLC automatic control assembly 12, PLC automatic control assembly 12
Also including processing module, processing module calculates Aeration tank institute air demand in real time, then by tolerance value
Signal message passes to MCP switch board 2, and MCP switch board 2 controls blower unit 3 again and distributes
Blower fan number of units and control rotation speed of fan, thus Aeration tank is supplied, on blowing line 27
First arm electrodynamic valve 6 and first branched pipe gas effusion meter the 9, second arm electrodynamic valve is installed
7 and second branched pipe gas effusion meter the 10, the 3rd arm electrodynamic valve 8 and the 3rd branched pipe gas flow
Meter 11, passs the 22, second aerobic zone, the first aerobic zone 23 and the 3rd aerobic zone 24 respectively
Subtract formula aeration, by the 22, second aerobic zone, the first aerobic zone 23 and the 3rd aerobic zone 24
Dissolved oxygen concentration ratio is set to 5:4:2, if each aerobic zone is surveyed actual dissolved oxygen and set with it
Dissolved oxygen value is different, then finely tunes the electrodynamic valve aperture on arm.The dissolving gone out according to dynamic calculation
Oxygen setting value and actual dissolved oxygen value revise air demand in real time.
MCP switch board 2 calculates aeration rate Gs, pass through formula:
Flow of inlet water (the m of Q biological reaction pool3/ d), the fluid flow from inlet channel
Count and collect at 13；
SoBiological reaction pool water inlet five-day BOD concentration (mg/L), according to actual water
Matter index determines；
SeBiological reaction pool water outlet five-day BOD concentration (mg/L), according to actual water
Matter index determines；
ΔXVDischarge the microbial biomass of biological respinse cell system；(kg/d)；
NkBiological reaction pool water inlet total Kjeldahl nitrogen concentration (mg/L) is dense with influent ammonia nitrogen here
Degree substitutes, online intelligent ammonia nitrogen analyser 14 record；
NkeBiological reaction pool water outlet total Kjeldahl nitrogen concentration (mg/L), uses water outlet ammonia nitrogen here
Concentration substitute, by online ammonia nitrogen and nitrate intelligent analytical instrument 18 and have mud nitrification intelligence
Analyser 19 records；
NtBiological reaction pool water inlet total nitrogen concentration (mg/L), replaces with influent ammonium concentration here
Generation, online intelligent ammonia nitrogen analyser 14 record；
NoeBiological reaction pool effluent nitrate-nitrogen concentration (mg/L), by online ammonia nitrogen and nitric acid
Salt intelligent analytical instrument 18 and have mud nitrification intelligent analytical instrument 19 to record；
In y MLSS, MLVSS proportion, determines according to test；
YtMud Total yield constants (kgMLSS/kgBOD5), determines according to test；
EAThe utilization rate (%) of aerator oxygen, by blower unit 3, blowing line 27, aeration
The equipment such as pond determine；
GsAeration rate (m3/h)。
PLC automatic control assembly 12 by fluid flowmeter 13, online intelligent ammonia nitrogen analyser 14,
The first online online dissolved oxygen meter 16 of dissolved oxygen meter 15, second, online dissolved oxygen
And sludge concentration analyzer 17, online ammonia nitrogen and nitrate intelligent analytical instrument 18 and have mud
Nitrification intelligent analytical instrument 19 collects signal numerical value, then these numerical value are carried out analog digital conversion
Being transferred to MCP switch board 2, MCP switch board 2 is calculated by computing formula (1)-(3)
Aeration rate the most required in Aerobic Pond, then by required aeration rate signal message transmission to MCP
Switch board 2.
MCP switch board 2 controls blower unit 3 and supplies to Aeration tank.
One or more technical schemes that this utility model embodiment provides, at least techniques below
Effect:
1) use host computer 100, MCP switch board 200 and PLC automatic control assembly 600, to exposure
The Based Intelligent Control of blower unit 300 in gas pond, makes blower unit 300 stability higher.
2) aerobic zone of Aeration tank is divided into the 22, second aerobic zone 23, the first aerobic zone and
Three aerobic zones are used degression type aeration by the 3rd aerobic zone 24 respectively, it is possible to saving gas,
Improve the utilization rate of gas.
3) PLC automatic control assembly 12 is by fluid flowmeter 13, online intelligent ammonia nitrogen analyser
14, the first online online dissolved oxygen meter 16 of dissolved oxygen meter 15, second, the most molten
Solve oxygen and sludge concentration analyzer 17, online ammonia nitrogen and nitrate intelligent analytical instrument 18 and have
Mud nitrification intelligent analytical instrument 19 collects signal numerical value, then these numerical value are carried out modulus
Converting transmission can be guaranteed to MCP switch board 2, technological parameter, water outlet after sewage disposal
Quality is improved, additionally it is possible to save labor cost.
It will be apparent to those skilled in the art that can technical scheme as described above and structure
Think, make other various corresponding changes and deformation, and all these changes and deformation
Within all should belonging to this utility model scope of the claims.
Claims (9)
1. a biological tank intelligence aerating system, it is characterised in that including: host computer, MCP
Switch board, blower unit, blowing line, Aeration tank, PLC automatic control assembly, inlet channel,
Outlet conduit and fluid flowmeter；
Described host computer respectively with described MCP switch board, described PLC automatic control assembly and described
Blower unit connects, and described host computer is used for controlling described MCP switch board, described PLC automatic control
Assembly and described blower unit；
Described MCP switch board is also connected with described blower unit, and described blower unit is also with described
One end of blowing line connects, and the other end of described blowing line is connected with described Aeration tank, MCP
Switch board is used for controlling described blower unit and is supplied to described Aeration tank by described blowing line；
Described inlet channel is connected with described Aeration tank, described Aeration tank also with described outlet conduit
Connecting, the water that described inlet channel will purify is input to described Aeration tank, then goes out described in passing through
Water after waterpipe will purify exports；
Being also equipped with fluid flowmeter in described inlet channel, described fluid flowmeter is with described
PLC automatic control assembly connects, the discharge in input exposure pond in measuring described inlet channel,
And the water flow signal in input exposure pond in inlet channel is fed back to described PLC automatic control assembly.
A kind of biological tank intelligence aerating system the most according to claim 1, its feature exists
In, described blowing line is also equipped with house steward's electrodynamic valve and house steward's gas flowmeter；
Described house steward's electrodynamic valve, house steward's gas flowmeter are also with described PLC automatic control assembly even
Connecing, described house steward's electrodynamic valve is used for controlling the aperture size of described blowing line, and by described drum
The aperture high low signal of wind pipeline feeds back to described PLC automatic control assembly；
Described house steward's gas flowmeter is used for measuring described blowing line and supplies gas flow to Aeration tank,
And described blowing line is fed back to described PLC automatic control to Aeration tank uninterrupted signal of supplying gas
Assembly.
A kind of biological tank intelligence aerating system the most according to claim 1 and 2, its feature
Being, described Aeration tank includes that anaerobic zone, anoxic zone and aerobic zone, described aerobic zone include
First aerobic zone, the second aerobic zone and the 3rd aerobic zone, described blowing line is also equipped with
One arm electrodynamic valve, the first branched pipe gas effusion meter, the second arm electrodynamic valve, the second arm gas
Flowmeter body, the 3rd arm electrodynamic valve, the 3rd branched pipe gas effusion meter, described first arm electricity
Dynamic valve, the first branched pipe gas effusion meter, the second arm electrodynamic valve, the second branched pipe gas effusion meter,
3rd arm electrodynamic valve, the 3rd branched pipe gas effusion meter are also connected with described PLC automatic control assembly；
Described first arm electrodynamic valve is used for controlling the aeration aperture size of described first aerobic zone,
And the aeration aperture high low signal of described first aerobic zone is fed back to described PLC automatic control assembly,
Described first branched pipe gas effusion meter is used for measuring the aeration uninterrupted of described first aerobic zone,
And by measurement to the first aerobic zone aeration uninterrupted signal feed back to described PLC automatic control group
Part.
Described second arm electrodynamic valve is used for controlling the aeration aperture size of described second aerobic zone,
And the aeration aperture high low signal of described second aerobic zone is fed back to described PLC automatic control assembly,
Described second branched pipe gas effusion meter is used for measuring the aeration uninterrupted of described second aerobic zone,
And by measurement to the second aerobic zone aeration uninterrupted signal feed back to described PLC automatic control group
Part.
Described 3rd arm electrodynamic valve is used for controlling the aeration aperture size of described 3rd aerobic zone,
And the aeration aperture high low signal of described 3rd aerobic zone is fed back to described PLC automatic control assembly,
Described 3rd branched pipe gas effusion meter is used for measuring the aeration uninterrupted of described 3rd aerobic zone,
And by measurement to the 3rd aerobic zone aeration uninterrupted signal feed back to described PLC automatic control group
Part.
A kind of biological tank intelligence aerating system the most according to claim 3, its feature exists
In, described online intelligent ammonia nitrogen analyser, described online ammonia nitrogen intelligence are installed in described anoxic zone
Can also be connected with described PLC automatic control assembly by analyser, described online intelligent ammonia nitrogen analyser is used for
Measure the ammonia nitrogen concentration in anoxic zone, then the ammonia nitrogen concentration signal in anoxic zone is fed back to described
PLC automatic control assembly.
A kind of biological tank intelligence aerating system the most according to claim 3, its feature exists
In, the described first online dissolved oxygen meter is installed in described first aerobic zone, described first
Online dissolved oxygen meter is also connected with described PLC automatic control assembly, the described first online dissolved oxygen
Analyzer dissolved oxygen concentration in measuring the first aerobic zone, then will dissolve in the first aerobic zone
Oxygen concentration signal feeds back to described PLC automatic control assembly.
A kind of biological tank intelligence aerating system the most according to claim 3, its feature exists
In, be also equipped with the second online dissolved oxygen meter in described second aerobic zone, described second
Line dissolved oxygen meter is also connected with described PLC automatic control assembly, and the described second online dissolved oxygen is surveyed
Determine instrument dissolved oxygen concentration in measuring the second aerobic zone, then by dissolved oxygen in the second aerobic zone
Concentration signal feeds back to described PLC automatic control assembly.
A kind of biological tank intelligence aerating system the most according to claim 3, its feature exists
In, it is also equipped with online dissolved oxygen and sludge concentration analyzer in described 3rd aerobic zone, described
Online dissolved oxygen and sludge concentration analyzer are also connected with described PLC automatic control assembly, described online
Dissolved oxygen and sludge concentration analyzer are used for measuring the dissolved oxygen concentration in the 3rd aerobic zone and dirt
Mud concentration, then the dissolved oxygen concentration in the 3rd aerobic zone and sludge concentration signal are fed back to described
PLC automatic control assembly.
A kind of biological tank intelligence aerating system the most according to claim 3, its feature exists
In, it is also equipped with online ammonia nitrogen and nitrate intelligent analytical instrument in described 3rd aerobic zone, described
Online ammonia nitrogen and nitrate intelligent analytical instrument are also connected with described PLC automatic control assembly, described online
Ammonia nitrogen and nitrate intelligent analytical instrument are used for measuring the ammonia nitrogen in the 3rd aerobic zone and nitrate is dense
Degree, then the ammonia nitrogen in the 3rd aerobic zone and nitrate concentration signal are fed back to described PLC automatic control
Assembly.
A kind of biological tank intelligence aerating system the most according to claim 3, its feature exists
In, it is also equipped with mud nitrification intelligent analytical instrument, described mud nitrification in described 3rd aerobic zone
Intelligent analytical instrument is also connected with described PLC automatic control assembly, and described mud nitrification intelligent analytical instrument is used
Mud nitrification situation in measuring the 3rd aerobic zone, then by the mud nitrification in the 3rd aerobic zone
Status signals feeds back to described PLC automatic control assembly.
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| CN106630153A (en) * | 2017-03-21 | 2017-05-10 | 成都冠禹科技有限公司 | Novel compound multifunctional sewage treatment system capable of realizing real-time monitoring |
| CN107500408A (en) * | 2017-09-04 | 2017-12-22 | 信开水环境投资有限公司 | A kind of multistage A/O techniques aeration control system fed back based on ammonia nitrogen and dissolved oxygen |
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| CN106630153A (en) * | 2017-03-21 | 2017-05-10 | 成都冠禹科技有限公司 | Novel compound multifunctional sewage treatment system capable of realizing real-time monitoring |
| CN107500408A (en) * | 2017-09-04 | 2017-12-22 | 信开水环境投资有限公司 | A kind of multistage A/O techniques aeration control system fed back based on ammonia nitrogen and dissolved oxygen |
| CN107500408B (en) * | 2017-09-04 | 2020-07-28 | 国投信开水环境投资有限公司 | Multistage A/O process aeration control system based on ammonia nitrogen and dissolved oxygen feedback |
| CN108035903A (en) * | 2017-12-29 | 2018-05-15 | 南京磁谷科技有限公司 | A kind of magnetic suspension air blower multi-connected unit control system and its control method |
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| CN109761344A (en) * | 2019-03-26 | 2019-05-17 | 中冶华天南京电气工程技术有限公司 | A kind of surface aeration Dissolved Oxygen Control Method |
| CN109879410A (en) * | 2019-03-27 | 2019-06-14 | 上海西派埃智能化系统有限公司 | Sewage treatment aeration control system |
| CN109879410B (en) * | 2019-03-27 | 2022-05-13 | 上海西派埃智能化系统有限公司 | Sewage treatment aeration control system |
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Address after: Futian District Shennan Road Shenzhen city Guangdong province 518000 No. 1019 Wande building room 705 Patentee after: Shenzhen Water Technology Co., Ltd. Address before: Futian District Shennan Road Shenzhen city Guangdong province 518000 No. 1019 Wande building room 705 Patentee before: Shenzhen Kaitianyuan Automation Engineering Co., Ltd. |