CN107473380A - Integrated sewage treating apparatus and method with real-time regulatory function - Google Patents

Integrated sewage treating apparatus and method with real-time regulatory function Download PDF

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Publication number
CN107473380A
CN107473380A CN201710749786.0A CN201710749786A CN107473380A CN 107473380 A CN107473380 A CN 107473380A CN 201710749786 A CN201710749786 A CN 201710749786A CN 107473380 A CN107473380 A CN 107473380A
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CN
China
Prior art keywords
valve
aerator
group
state transition
zone
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
Application number
CN201710749786.0A
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Chinese (zh)
Inventor
李光武
俞兴平
潘松青
奚之兆
刘德松
沈波
樊后平
胡喆
钱永良
向浩成
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Zhejiang Juyou Construction Engineering Co ltd
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Chizhou Spotlight Environmental Protection Technology Co Ltd
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Priority to CN201710749786.0A priority Critical patent/CN107473380A/en
Publication of CN107473380A publication Critical patent/CN107473380A/en
Pending legal-status Critical Current

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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/30Aerobic and anaerobic processes
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/34Biological treatment of water, waste water, or sewage characterised by the microorganisms used
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/008Control or steering systems not provided for elsewhere in subclass C02F
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F2001/007Processes including a sedimentation step
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/10Inorganic compounds
    • C02F2101/16Nitrogen compounds, e.g. ammonia
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2203/00Apparatus and plants for the biological treatment of water, waste water or sewage
    • C02F2203/006Apparatus and plants for the biological treatment of water, waste water or sewage details of construction, e.g. specially adapted seals, modules, connections

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  • Life Sciences & Earth Sciences (AREA)
  • Microbiology (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
  • Activated Sludge Processes (AREA)

Abstract

The invention provides a kind of integrated sewage treating apparatus and method with real-time regulatory function, the integrated sewage treating apparatus includes anoxic zone, aerobic zone, settling zone, dissolved oxygen instrument and sludge reflux unit;N number of state transition area, N >=2;The state transition area is arranged between the anoxic zone and aerobic zone, and dividing plate is set between adjacent states transition zone and is connected;The sludge reflux unit has outlet in the state transition area;First group of valve Si, i=1,2 ... N, valve is arranged on the pipeline of the outlet upstream;Aeration unit, the aeration unit include aerator and aerator Di, i=1,2 ... N, aerator is arranged in the state transition area;Second group of valve Pi, i=1,2 ... N, valve is arranged on the pipeline of the aerator upstream;Filler, the filler are separately positioned in the state transition area.The present invention has the advantages that energy consumption is low, full-automatic.

Description

Integrated sewage treating apparatus and method with real-time regulatory function
Technical field
The present invention relates to water process, more particularly to integrated sewage treating apparatus and method.
Background technology
Influent quality is the design considerations of sewage treatment facility, the shortage of actual influent quality data, is easily caused facility and goes out Water is not up to standard or facility function is not in full use, and causes the wasting of resources.Compared with town sewage, the unique row of domestic sewage in rural areas Feature is put, causes its water, water quality that there is obvious space and time difference.On time, the difference of sewage water and water quality in one day There were significant differences for Various Seasonal in period and 1 year.Spatially, sewage discharge feature is because of regional economy, resident living The factors such as custom are also slightly different., can not be according to actual water of intaking and integration apparatus on the market mostly fixes specification at present Matter is adjusted.
The content of the invention
In order to solve the deficiency in above-mentioned prior art, the invention provides a kind of energy consumption it is low, automation have The integrated sewage treating apparatus of real-time regulatory function.
The purpose of the present invention is achieved through the following technical solutions:
A kind of integrated sewage treating apparatus with real-time regulatory function, the integrated sewage treating apparatus include lacking Oxygen area, aerobic zone, settling zone, dissolved oxygen instrument and sludge reflux unit;The integrated sewage treating apparatus further comprises:
N number of state transition area, N >=2;The state transition area is arranged between the anoxic zone and aerobic zone, adjacent shape Dividing plate is set between state transition zone and connected;The sludge reflux unit has outlet in the state transition area;
First group of valve Si, i=1,2 ... N, valve is arranged on the pipeline of the outlet upstream;
Aeration unit, the aeration unit include aerator and aerator Di, i=1,2 ... N, aerator is arranged on described In state transition area;
Second group of valve Pi, i=1,2 ... N, valve is arranged on the pipeline of the aerator upstream;
Filler, the filler are separately positioned in the state transition area.
The present invention also aims to provide a kind of sewage disposal processing method of automation, the goal of the invention by with Lower technical scheme is achieved:
According to the sewage water treatment method of above-mentioned integrated sewage treating apparatus, the sewage water treatment method includes following step Suddenly:
(A1) the dissolved oxygen value O in dissolved oxygen instrument detection aerobic zoneSurvey, from being sent to control module;
(A2) control module is according to threshold interval [Omin, Omax], the dissolved oxygen value adjustment aerator working frequency, with And the switch of first group of valve and second group of valve;
(A3) aerator works according to the working frequency, and first group of valve and second group of valve transmit according to control module The instruction on or off come so that change, enter at least partially between aerobic state and anaerobic condition in N number of state transition area Enter step (A1).
Compared with prior art, the device have the advantages that being:
1. the present invention is realized using frequency modulation device control aerator rotating speed and is adjusted aeration according to aerobic zone dissolved oxygen situation Measure size effect, change legacy equipment no matter water quality how the thick-and-thin situation of aeration quantity, so as to both ensure that oxygenation effect Fruit reduces unnecessary power consumption again, substantially increases energy utilization rate;
2. the state transition area of the present invention is divided into N number of cavity using dividing plate, state transition area anaerobic environment not only avoid When short flow phenomenon, and eliminate interference of the change to other cavitys of certain cavity inside environment, be easy to implement state transition area Work(conversion of energy;
3. the whole Automated condtrols of the present invention, realize the function that system condition intelligently switches with change of water quality, can To water water quality feed back simultaneously adjustment in time, accomplish unattended and standard water discharge completely.
Brief description of the drawings
Referring to the drawings, the disclosure will be easier to understand.Skilled addressee readily understands that be:This A little accompanying drawings are used only for illustrating technical scheme, and are not intended to and protection scope of the present invention is construed as limiting. In figure:
Fig. 1 is the structure diagram of integrated sewage treating apparatus according to embodiments of the present invention.
Embodiment
Fig. 1 and following description describe the present invention optional embodiment with instruct those skilled in the art how to implement and Reproduce the present invention.In order to instruct technical solution of the present invention, simplify or eliminate some conventional aspects.Those skilled in the art should The understanding is derived from the modification of these embodiments or replacement will within the scope of the invention.Under those skilled in the art should understand that Stating feature can combine to form multiple modifications of the present invention in a variety of ways.Thus, the invention is not limited in following optional Embodiment, and only limited by claim and their equivalent.
Embodiment 1:
Fig. 1 schematically illustrates the integrated sewage treating apparatus with real-time regulatory function of the embodiment of the present invention Structure diagram, as shown in figure 1, the integrated sewage treating apparatus includes:
Anoxic zone 12, aerobic zone 5, settling zone 6, dissolved oxygen instrument 26 and sludge reflux unit, the sludge reflux unit bag Include gas output tube 19, liquid input tube 20 and liquid output pipe 21;
N number of state transition area 4, N >=2;The state transition area is arranged between the anoxic zone 12 and aerobic zone 5, phase Dividing plate 7 is set between adjacent state transition area and connected;The liquid output pipe 21 of the sludge reflux unit is in the State Transferring Area has outlet;
First group of valve Si22-25, i=1,2 ... N, valve are arranged on the pipeline of the outlet upstream;
Aeration unit, the aeration unit include aerator 3 and aerator Di14, i=1,2 ... N, aerator are arranged on In the state transition area;
Second group of valve Pi15-18, i=1,2 ... N, valve are arranged on the pipeline of the aerator upstream;
Filler 13, the filler are separately positioned in the state transition area.
In order to preferably adjust the switch of the working frequency of aerator and control valve, further, the integration is dirty Water treatment facilities further comprises:
Frequency converter 28, the output end of the frequency converter connect the aerator;
Control module 27, the input connection dissolved oxygen instrument of the control module, the output end connection frequency converter, First group of valve and second group of valve;Working frequency and the control of aerator are adjusted according to the output valve of the dissolved oxygen instrument The switch of first group of valve and second group of valve.
In order to extend residence time of the sewage in integrated sewage treating apparatus to lift treatment effect, further, Flow trace undulate of the sewage in the anoxic zone, N number of state transition area.
The sewage water treatment method of the embodiment of the present invention, namely the work side according to above-mentioned integrated sewage treating apparatus Method, the sewage water treatment method comprise the following steps:
(A1) the dissolved oxygen value O in dissolved oxygen instrument detection aerobic zoneSurvey, from being sent to control module;
(A2) control module is according to threshold interval [Omin, Omax], the dissolved oxygen value adjustment aerator working frequency, with And the switch of first group of valve and second group of valve;
(A3) aerator works according to the working frequency, and first group of valve and second group of valve transmit according to control module The instruction on or off come so that change, enter at least partially between aerobic state and anaerobic condition in N number of state transition area Enter step (A1).
In order to preferably adjust the working frequency of aerator, further, in step (A2), adjustment mode is:
If OSurvey> Omax, reduce the working frequency of the aerator;
If OSurvey∈[Omin, Omax], without adjustment;
If OSurvey< Omin, improve the working frequency of the aerator.
In order to realize the conversion of state, further, if improving the working frequency of the aerator, still OSurvey< Omin, then The instruction further comprises being transformed into aerobic state from anaerobic condition:Each state between aerobic zone to anoxic zone is opened successively First group of valve S corresponding to transition zoneiWith second group of valve Pi
In order to realize preferably treatment effect, further, second group valve P corresponding with state transition area is being openedi When, open first group valve S corresponding with the state transition areaiAfter turn off, while further improve the work of the aerator Working frequency.
In order to realize the conversion of state, further, the working frequency of the aerator, still O are reducedSurvey> Omax, then institute Instruction is stated to further comprise from aerobic State Transferring to anaerobic condition:Each state between anoxic zone to aerobic zone is closed successively to turn Change second group of valve P corresponding to areai, close first group of valve Si
In order to realize preferably treatment effect, further, the instruction from aerobic State Transferring to anaerobic condition is being sent While, further reduce the working frequency of the aerator.
Embodiment 2:
According to embodiments of the present invention 1 integrated sewage treating apparatus with real-time regulatory function and the application of method Example.
In the application examples, as shown in figure 1, the integrated sewage treating apparatus with real-time regulatory function includes:
Anoxic zone 12, aerobic zone 5, settling zone 6 and sludge reflux unit;Online dissolved oxygen instrument is installed in aerobic zone 5 26, for measuring the dissolved oxygen of aerobic zone 5, and it is sent to control module;
State transition area 4,4 cavitys are separated into by 4 pieces of deflection plates 7, i.e. N=4, from aerobic zone 5 to anoxic zone 12, successively For the first cavity 8, the second cavity 9, the 3rd cavity 10 and the 4th cavity 11, filler is filled with each cavity and aerobic zone 5 13;Sewage from anoxic zone 12 to aerobic zone in flow trace be waveform;
Aeration unit, the aeration unit include aerator 3, aerator 14, and state transition area 4 and the bottom of aerobic zone 5 are equal It is provided with single aerator 14;
First group of valve, including the 5th magnetic valve 22, the 6th magnetic valve 23, the 7th magnetic valve 24 and the 8th magnetic valve 25; Liquid output pipe 21 has one outlet on each cavity top of state transition area, and there is independent electromagnetism each outlet Valve 22-25 is controlled;
Second group of valve, including the first magnetic valve 15, second solenoid valve 16, the 3rd magnetic valve 17 and the 4th magnetic valve 18, It is respectively used to control the first cavity 8, the second cavity 9, the 3rd cavity 10 and the aerator 14 of the bottom of the 4th cavity 11;
Electrical control cubicles 2, control module 27 and frequency converter 28 are provided with prime number electrical control cubicles, control module 27 controls all electromagnetism Valve and frequency converter 28;
Nitrification liquid reflux unit 29, for the nitrate nitrogen of aerobic zone 5 to be delivered into anoxic zone 12, realize denitrification effect;
Aerator 1, it is that nitrification liquid return-flow system 29 and sludge reflux unit supply.The use of two aerators 1,3 is effective Avoid influence of the frequency converter 28 to nitrification liquid return-flow system 29 and sludge reflux unit of flow;
When device water quality treatment for design water quality when standard configuration be all anaerobic conditions in state transition area, frequency converter 28 set of frequency are in 30Hz, and the dissolved oxygen in aerobic zone 5 is maintained at 2-5mg/L, also as threshold interval.
The sewage water treatment method of the embodiment of the present invention, namely the work side according to above-mentioned integrated sewage treating apparatus Method, the sewage water treatment method comprise the following steps:
(A1) the dissolved oxygen value O in dissolved oxygen instrument detection aerobic zoneSurvey, from being sent to control module;
(A2) control module is according to threshold interval [Omin, Omax], the dissolved oxygen value adjustment aerator working frequency, with And the switch of first group of valve and second group of valve;
If OSurvey> Omax, reduce the working frequency of the aerator;Still OSurvey> Omax, then by state transition area from aerobic shape State is transformed into anaerobic condition:Second group of valve P corresponding to each state transition area between anoxic zone to aerobic zone is closed successivelyi, Close first group of valve Si, while further reduce the working frequency of the aerator;Such as:
It is such as small more than 5 when aerobic zone dissolved oxygen more than 5mg/L and continuously maintains certain time (time can be manually set) When, if frequency converter frequency before is 50Hz, frequency converter lowers 5Hz to 45Hz, aerator spin down automatically, and tolerance subtracts It is few, while the 4th closed electromagnetic valve, the aerator of the 4th cavity are closed, the 4th cavity gradually becomes anoxic shape by aerobic state State, if aerobic zone dissolved oxygen is still held time more than 5mg/L and continuously more than 5 hours, frequency converter lowers 5Hz extremely automatically 40Hz, aerator spin down, tolerance is reduced, while the 3rd closed electromagnetic valve, the 3rd cavity gradually become scarce by aerobic state Oxygen condition, by that analogy, until aerobic zone dissolved oxygen dropped to 2-5mg/L in 5 hours, and frequency converter now is more than or equal to 30Hz.If when frequency converter frequency drops to 30Hz, aerobic zone dissolved oxygen remains above 5mg/L and continuously held time small more than 5 When, then frequency converter continues automatic downward 5Hz to 25Hz, if aerobic zone dissolved oxygen is still above 2mg/L and continuously held time super 5 hours are spent, then frequency converter frequency continues automatic downward 5Hz to 20Hz from 25Hz, by that analogy, until aerobic zone dissolved oxygen 5 is small When interior be down to 2-5mg/L.
If OSurvey∈[Omin, Omax], without adjustment;
If OSurvey< Omin, the working frequency of the aerator is improved, if improving the working frequency of the aerator, still OSurvey < Omin, then state transition area is transformed into aerobic state from from anaerobic condition:Open successively each between aerobic zone to anoxic zone First group of valve S corresponding to state transition areaiWith second group of valve Pi;First group of valve SiTurned off after opening a period of time, together When further improve the working frequency of the aerator;Such as:
When influent quality is deteriorated than before, and aerobic zone dissolved oxygen less than 2mg/L and continuously maintain certain time (this when Between can be manually set), such as more than 5 hours, if frequency converter frequency before is less than 30Hz, frequency converter raises 5Hz automatically, aeration Machine faster rotational speed, tolerance increase, by that analogy, until aerobic zone dissolved oxygen rose to 2-5mg/L in 5 hours, and now Frequency converter is less than or equal to 30Hz.If when frequency converter frequency rises to 30Hz, aerobic zone dissolved oxygen is still below 2mg/L and continuous dimension The time is held more than 5 hours, then frequency converter raises 5Hz to 35Hz automatically, and the first magnetic valve and the 5th magnetic valve are opened, and first is empty Chamber starts to gradually become aerobic state by anaerobic condition, while the sludge reflux of settling zone bottom is to the first cavity, due to precipitation Area's sludge is entirely the sludge after aerobic zone is given an admonitory talk to subordinates, although being changed into anaerobic state in settling zone bottom, the inside is still Active repressed aerobic bacteria, these repressed aerobic bacterias once enter aerobic environment, then microbes recover living gradually Property, the breeding of aerobic bacteria in the first cavity is accelerated, the 5th magnetic valve is closed after opening 2-5 minutes.If aerobic zone dissolved oxygen is still Old to be less than 2mg/L and continuously hold time more than 5 hours, then frequency converter frequency continues automatic up-regulation 5Hz to 40Hz from 35Hz, and Second solenoid valve and the 6th magnetic valve are opened, and the 6th magnetic valve is closed after opening 2-5 minutes, and aerobic environment further expands.If Do not reach effect still, continue to raise, by that analogy, until aerobic zone dissolved oxygen increase in 5 hours 2-5mg/L or occur it is another A kind of situation, i.e. frequency converter frequency increase to 50Hz, and the 4th magnetic valve and the 8th magnetic valve are opened, and the 8th magnetic valve opens 3 points Closed after clock.In addition to the first cavity is anaerobic environment, remaining is all aerobic environment in power and energy area now;
(A3) aerator works according to the working frequency, and first group of valve and second group of valve transmit according to control module The instruction on or off come so that change, enter at least partially between aerobic state and anaerobic condition in N number of state transition area Enter step (A1).

Claims (10)

1. a kind of integrated sewage treating apparatus with real-time regulatory function, the integrated sewage treating apparatus include anoxic Area, aerobic zone, settling zone, dissolved oxygen instrument and sludge reflux unit;It is characterized in that:The integrated sewage treating apparatus enters one Step includes:
N number of state transition area, N >=2;The state transition area is arranged between the anoxic zone and aerobic zone, and adjacent states turn Change between area and dividing plate is set and connected;The sludge reflux unit has outlet in the state transition area;
First group of valve Si, i=1,2 ... N, valve is arranged on the pipeline of the outlet upstream;
Aeration unit, the aeration unit include aerator and aerator Di, i=1,2 ... N, aerator be arranged on the state turn Change in area;
Second group of valve Pi, i=1,2 ... N, valve is arranged on the pipeline of the aerator upstream;
Filler, the filler are separately positioned in the state transition area.
2. integrated sewage treating apparatus according to claim 1, it is characterised in that:The integrated sewage treating apparatus Further comprise:
Frequency converter, the output end of the frequency converter connect the aerator;
Control module, the input of the control module connect the dissolved oxygen instrument, output end connect the frequency converter, first group Valve and second group of valve;First group of working frequency and the control of aerator are adjusted according to the output valve of the dissolved oxygen instrument The switch of valve and second group of valve.
3. integrated sewage treating apparatus according to claim 2, it is characterised in that:Sewage is in the anoxic zone, N number of shape Flow trace undulate in state transition zone.
4. integrated sewage treating apparatus according to claim 1, it is characterised in that:The anoxic zone and first state turn Change between area and connected by the bottom of dividing plate, the top for passing through dividing plate between first state transition zone and the second state transition area connects It is logical.
5. according to the sewage water treatment method of any described integrated sewage treating apparatus of claim 1-4, the sewage disposal Method comprises the following steps:
(A1) the dissolved oxygen value O in dissolved oxygen instrument detection aerobic zoneSurvey, and it is sent to control module;
(A2) control module is according to threshold interval [Omin, Omax], the dissolved oxygen value adjustment aerator working frequency, Yi Ji The switch of one group of valve and second group of valve;
(A3) aerator works according to the working frequency, first group of valve and second group of valve according to control module transmission come Instruction on or off so that changed in N number of state transition area at least partially between aerobic state and anaerobic condition, into step Suddenly (A1).
6. automation preprocess method according to claim 5, it is characterised in that:In step (A2), adjustment mode is:
If OSurvey> Omax, reduce the working frequency of the aerator;
If OSurvey∈[Omin, Omax], without adjustment;
If OSurvey< Omin, improve the working frequency of the aerator.
7. automation preprocess method according to claim 6, it is characterised in that:If improve the work frequency of the aerator Rate, still OSurvey< Omin, then it is described instruction further comprise being transformed into aerobic state from anaerobic condition:Open successively from aerobic zone To first group of valve S corresponding to each state transition area between anoxic zoneiWith second group of valve Pi
8. automation preprocess method according to claim 7, it is characterised in that:It is corresponding with state transition area opening Second group of valve PiWhen, open first group valve S corresponding with the state transition areaiAfter turn off, while further improve described in The working frequency of aerator.
9. automation preprocess method according to claim 6, it is characterised in that:Reduce the work frequency of the aerator Rate, still OSurvey> Omax, then it is described instruction further comprise from aerobic State Transferring to anaerobic condition:Close successively from anoxic zone To second group of valve P corresponding to each state transition area between aerobic zonei, close first group of valve Si
10. automation preprocess method according to claim 9, it is characterised in that:Send from aerobic State Transferring to While the instruction of anaerobic condition, the working frequency of the aerator is further reduced.
CN201710749786.0A 2017-08-28 2017-08-28 Integrated sewage treating apparatus and method with real-time regulatory function Pending CN107473380A (en)

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Publication number Priority date Publication date Assignee Title
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Application publication date: 20171215