CN107540100A - A kind of activated sludge bulking prewarning analysis system and its application method based on OUR - Google Patents
A kind of activated sludge bulking prewarning analysis system and its application method based on OUR Download PDFInfo
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- CN107540100A CN107540100A CN201710970270.9A CN201710970270A CN107540100A CN 107540100 A CN107540100 A CN 107540100A CN 201710970270 A CN201710970270 A CN 201710970270A CN 107540100 A CN107540100 A CN 107540100A
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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
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- 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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Abstract
The invention discloses a kind of activated sludge bulking prewarning analysis system based on OUR,Including effluent filter,Sewage pump,Aeration tank,Aerator,Confined reaction pond,Separate dividing plate,A variety of biogels,DO electrode probes corresponding with the biogel quantity,PLC controls early warning system and delivery port,The effluent filter water inlet is connected with the intake on pretreatment system and biochemistry pool connecting pipe,The sewage pump is connected with the effluent filter and the aeration tank respectively,The aeration tank delivery port is connected with the confined reaction pond,The biogel includes der Pilz,Zoogloea,Low temperature,Low pH,Low N,Low P,High H2S and more soluble organics biogel,It is individually positioned in different separated regions,Detected using the DO electrode probes,The delivery port in the confined reaction pond is connected with the pretreatment system.The present invention, which has, to be carried out real-time, multistage early warning to sewage and carries out real-time analytic function to the sludge bulking origin cause of formation.
Description
Technical field
The present invention relates to a kind of activated sludge bulking prewarning analysis system and its application method based on OUR, belong to sewage
Handle the unbalance real-time early warning technical field of activated sludge.
Background technology
With China's economic society especially industrial expansion, largely industrial wastewater and sanitary sewage without dealing carefully with
Mixing is discharged into municipal sewage plant, causes the fluctuation of influent quality, so as to which the stable operation to handling process brings impact.Especially
It is the widely used activated sludge process in existing municipal sewage plant of China, and activated Sludge System can be because contain in sewage
The impact of poisonous and harmful substance causes unbalance failure, occurs sludge bulking, the problems such as sludge decomposition, therefore influent quality is fluctuated
Real-time early warning it is just very necessary.The effort during check fee of conventional water quality and sludge physical and chemical index, early warning not in time, are forbidden
Really, online bio-toxicity detection technique can analyze the water inlet toxicity and degree of sewage plant by slowdown monitoring soon, there is good research
And application value.
The biology that online bio-toxicity detection technique is used for monitoring toxicity is divided into individual level（Fish, flea class, algae）, it is micro-
Biological level（Photobacteria, nitrobacteria）, subcellsular level（Enzyme, DNA）It is horizontal with microbiologic population.Traditional fish, flea
Class, algae bio Toxicity Monitoring cycle length, sensitivity is not high, and enzyme, DNA sensor accuracy of detection are high, but prepares and preserve difficult, cost
Height, and be easy to preserve culture using microorganism detection toxicity, have enzyme effect process concurrently, the low practicality of cost is high, should as research
With most commonly used photobacteria and nitrobacteria Toxicity Monitoring, though the toxicity of water quality can be reflected to a certain degree, can not be very
Good reflects its intoxication conditions to activated sludge in sewage treatment plant.Therefore based on the horizontal online biology poison of microbiologic population
The research of property detection technique turns into focus.
Research now and application are more widely the respiratory rates using activated Sludge System（OUR）Characterize activated sludge
The activity of microbiologic population, the bio-toxicity of sewage is understood by the measure analysis can changed to activated sludge OUR.It is but existing
With the presence of the following deficiency and shortcoming of the sewage toxicity real-time early warning system based on OUR：
（1）Existing OUR biological toxicity tests system early warning is not comprehensive, can only early warning sewage cause exhaling for activated Sludge System
Inhale the situation of speed reduction, but influence of the fluctuation of water quality to sludge be more than the microbiologic population all to sludge have suppression this
Kind situation, it is also possible to cause the unbalance of active sludge microorganism.For example the change of water quality of sewage may promote der Pilz
Excessive breeding, the respiratory rate of whole activated Sludge System may not become and even increase, but activated Sludge System has occurred that
Expansion, causes water degradation.
（2）Existing OUR biological toxicity tests system is fetched water from biochemistry pool, and sewage comes into biochemistry pool, caused pre-
Police is not in time.Sludge is extracted from biochemistry pool also to affect to the form of activated Sludge System, microbial activities.
The content of the invention
Real-time, multistage early warning is carried out and to sludge to sewage the technical problem to be solved by the invention is to provide a kind of
It is expanded into the sewage plant activated sludge bulking early warning analysis device and its application method because being analyzed in real time.
In order to solve the above technical problems, the technical solution adopted by the present invention is：
A kind of activated sludge bulking prewarning analysis system based on OUR, including effluent filter, sewage pump, aeration tank, aeration dress
Put, confined reaction pond, separation dividing plate, a variety of biogels, DO electrode probes corresponding with the biogel quantity, PLC control
Early warning system processed and delivery port, the effluent filter water inlet and the water intaking on pretreatment system and biochemistry pool connecting pipe
Mouth is connected, and described sewage pump one end is connected with the effluent filter, and the other end is connected with the aeration tank water inlet, the exposure
The aerator is provided with gas pond, the aeration tank delivery port is connected with the confined reaction pond, and separation dividing plate is used for institute
State confined reaction pond and be separated out at least eight separated region, it is solidifying that the biogel includes der Pilz biogel, zoogloea biology
Glue, low-temperature biological gel, low pH biogels, low N biogels, low P biogels, high H2S biogels and how solvable
Organic matter biogel, the different biogels are used to be placed on the different separated regions that the confined reaction pond is separated out
It is interior, place a DO electrode probe in each separated region respectively, all DO electrode probes with the PLC
Early warning system connection is controlled, the delivery port in the confined reaction pond is connected with the pretreatment system.
Microorganism is embedded in by the biogel using investment to be mixed with the gel that airborne body is formed, and will be prepared
Biogel soaked with buffer solution after be respectively placed in the different confined reaction bottom of pond portions.
The biogel preparation method is as follows：
Enrichment culture is carried out to bacterium needed for activated sludge in sewage treatment plant, isolates and purifies and identifies；
Cultured 1600-2000 mL bacterial suspension is centrifuged into 5-10 min under 5000-7500 r/min rotating speed,
Supernatant is poured out, then adds 6-10 mLpH7.0 buffer solution；
Weigh 8-10 g polyvinyl alcohol, 0.6-0.8 g sodium alginates, 40-50 g CaCl2 And 1.0-1.4 g NaNO3 , add
Enter 50-60 mL without ammoniacal liquor, heating stirring is to being completely dissolved；
The mixed liquor of cooling and required bacteria concentrates are pressed 1:1 volume mixture, pour into lucifuge in mould and stand 1-1.5 h,
Gel takes out and cleaned twice with without ammoniacal liquor, you can.
Bacterium in the der Pilz biogel includes health and moving sticks bacteria, Bacillus cercus, Flavobacterium, unwrapping wire shape
Nocard's bacillus, middle Escherichia, pseudomonas and saccharomycete；Bacterium in the zoogloea biogel includes microfilament
Bacterium, football shirt bacterium, silk sulphur bacterium, Type 0041,0092 and 021N types；Bacterium in the low-temperature biological gel includes microfilament bacterium
And the types of Type 0041；Bacterium in the low pH biogels includes fungi Filamentous bacterium；It is thin in the low N biogels
Bacterium bag includes Type 021N types and silk sulphur bacterium Thiothrix II；Bacterium in the low P biogels includes N.limicola
Ⅲ；The high H2Bacterium in S biogels includes silk sulphur bacterium and Type 021N types；More soluble organic biologies are solidifying
Bacterium in glue includes microfilament bacterium and Type0092 types；Bacterium in the low DO biogels includes football shirt bacterium.
A kind of activated sludge bulking prewarning analysis system application method based on OUR, comprises the following steps：
Start the sewage pump, being extracted from the intake on pretreatment system and biochemistry pool connecting pipe will enter by pretreatment
Enter the sewage of biochemistry pool, sewage first passes through the effluent filter, for removing the impurity contained in sewage, subsequently into described
In aeration tank, preaeration is carried out to sewage, for eliminating breathing speed of the change of the dissolved oxygen in sewage to der Pilz and zoogloea
The influence of rate；
Sewage by preaeration enters in the confined reaction pond from the outlet of the aeration tank, when reaching default sewage quantity
When, the entrance in the confined reaction pond is closed, the separation dividing plate is placed in the confined reaction pond, described in preparing
Der Pilz biogel and the zoogloea biogel are respectively placed in the different separated region bottoms, der Pilz biology
Gel and zoogloea biogel carry out metabolism respiration using the DO in sewage and nutrients；
The silk that the DO electrode probes being arranged in the different separated regions will measure at the end of reaction starts and reacts
Shape bacterium and the DO values D of zoogloea0And D1Data be transferred to PLC control early warning system, the PLC controls early warning system
The respiratory rate that der Pilz and zoogloea are calculated according to default control program carries out real-time comparative analysis, judges whether to report
Alert and alarm rank；
When sending der Pilz activated sludge bulking alarm, the PLC control system sends control instruction, by the low-temperature biological
Gel, the low pH biogels, the low N biogels, the low P biogels, the high H2It is S biogels, described
More soluble organic biogels and the low DO biogels are respectively placed in different separated regions, described by corresponding to
DO electrode probes are immersed below sewage level, and the DO electrode probes are pre- to PLC controls by the real-time Data Transmission measured
Alert system；
The PLC control early warning systems are expanded into because analysis and Control program calculates the dominant silk of varying environment according to default
The respiratory rate of shape bacterium carries out real-time comparative analysis, obtains the factor of leading activated sludge bulking and implement to control accordingly to arrange
Apply；
Confined reaction pond delivery port is opened, by sewage backflow into the pretreatment system.
The PLC controls default control program of early warning system concretely comprises the following steps：
（1）The DO data that the DO electrode probes are measured, according to default formula, OUR=（D0 - D1）/ T, wherein OUR are
Respiratory rate of the microorganism in time T, the respiratory rate OUR of der Pilz and zoogloea is calculated respectively1And OUR2；
（2）According to previous experiments, the normal breathing rates of der Pilz are OURs when being set into normal sewage, zoogloea it is normal
Respiratory rate is OURJ , according to the inhibiting rate Ps and P of the real-time respiratory rate of formula calculating der Pilz/zoogloeaJ , wherein
Negative represents promotion rate, its formula be respectively Ps=（OURs-OUR1）/ OURs, PJ=（OURJ-OUR2 ）/OURJ；
（3）According to the comparison and analysis to der Pilz/zoogloea respiratory rate and its inhibiting rate, following warning level is set：
A. as | Ps | ＜ 10%, | PJ | ＜ 10%, do not alarm, illustrate that the water inlet of now sewage plant is not fluctuated；
B. as Ps ＞ 35%, PJ ＞ 35%, alarm one is sent, illustrates that bio-toxicity is very strong in sewage, activated sludge can be brought
Damaging impact, sewage should be stopped immediately and enter biochemical reaction tank, cause the collapse of activated Sludge System；
C. as Ps ＜ ﹣ 10%, PJ ＜ ﹣ 10%, alarm two is sent, illustrates that sewage load is too high, it is necessary to increase aeration quantity or prolong
Residence time of the long sewage in biochemistry pool；
D. except a, b, c other in the case of, as Ps-PJ ＞ 25%, send alarm three, illustrate suppression of the sewage to der Pilz more
By force, the zoogloea in activated sludge can occupy advantage, cause activated sludge loosely fragile, and flco is broken to form needle-like floccule body
Non-filamentous bacteria occurs for sludge, and water quality treatment is not up to standard, need to analyze reason and change related operation process, add medicament to solve
Certainly problem；
E. except a, b, c other in the case of, as PJ-Ps ＞ 25%, send alarm four, illustrate suppression of the sewage to zoogloea more
By force, the der Pilz in activated sludge can occupy advantage, cause activated sludge bulking, settling of floccus degradation, water quality treatment is not
It is up to standard, reason need to be analyzed and change related operation process, add flocculant and medicament to solve problem；
F. as | Ps-PJ | ＜ 25%, send alarm five, sewage has one fixing to the respiratory rate of der Pilz and zoogloea
Ring, having on the balance of der Pilz and zoogloea necessarily influences, it is necessary to pay close attention to prevent from being worse off；
When sending alarm three, the PLC control system operation is expanded into because of analysis and Control program, including step in detail below：
By the low-temperature biological gel, the low pH biogels, the low N biogels, the low P biogels, described
High H2S biogels, more soluble organic biogels and the low DO biogels are respectively placed in different separations
In region, the DO electrode probes are immersed below sewage level by corresponding to, the real time data that the DO electrode probes will measure
It is transferred to the PLC controls early warning system；
The DO data that DO electrode probes are measured, according to default formula, OUR=（D0 - D1）/ T, wherein OUR are microorganism
Respiratory rate in time T, the respiratory rate OUR of different type der Pilz is calculated respectivelyn, n takes 1 ~ 6, represents respectively low
Warm, low pH, low N, low P, high H2S, der Pilz dominant under more soluble organic environment；
According to previous experiments, the normal breathing rates of the dominant der Pilz of varying environment are set as OUR0n , n takes 1 ~ 6, according to
Formula calculates the promotion rate Y of the real-time respiratory rate of the dominant der Pilz of varying environmentn , wherein negative represents inhibiting rate, its
Formula is respectively Yn=（OURn - OUR0n）/ OUR0n ；
According to the dominant respiratory rate of der Pilz of varying environment and the comparison of its inhibiting rate and analysis, set following pre-
It is alert：
A. when the dominant der Pilz of only some or several environment real-time respiratory rate promotion rate Yn ＞ 20%, says
This or these environmental condition corresponding in bright sewage, promotes the generation of activated sludge bulking, and the PLC controls early warning
System sends instruction and implements corresponding control measure, reduces influence of the variation water quality to activated Sludge System of sewage；
B. when the dominant der Pilz of a variety of environment real-time respiratory rate promotion rate Yn For just, some or several environment
The promotion rate Y of the real-time respiratory rate of dominant der Pilzn Than other Yn It is big by more than 15%, illustrate sewage this or this
Several environmental conditions, it is the main reason for activated sludge bulking occurs, the PLC controls early warning system sends instruction priority setting
Take measures to control these environmental conditions, reduce the influence to activated Sludge System.
The beneficial effect that the present invention is reached：
1. the respiratory rate for being monitored different type der Pilz and zoogloea in real time using DO electrodes and PLC system is changed, by dividing
The main reason for sludge bulking occurs for disconnected whether alarm of analysis research, and analysis obtains causing sludge bulking simultaneously provides control measure, has
The advantages of effective directly perceived, early warning is rapid, stable, easy to operate, high-efficiency and economic；
2. an equipment sewage pump extracts to enter by pretreatment from the intake of pretreatment system and biochemistry pool connecting pipe
Enter the sewage of biochemistry pool, timely early warning can avoid toxicity sewage from entering biochemistry pool and destroy activated Sludge System.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is biogel and DO electrode probe scheme of installations in the present invention.
Embodiment
The invention will be further described below in conjunction with the accompanying drawings.Following examples are only used for clearly illustrating the present invention
Technical scheme, and can not be limited the scope of the invention with this.
As shown in Figure 1 and Figure 2, a kind of activated sludge bulking prewarning analysis system based on OUR, including effluent filter 1,
Sewage pump 2, aeration tank 3, aerator, confined reaction pond 6, separation dividing plate 7,8 kind of biogel 8 and the quantity pair of biogel 8
The DO electrode probes 9 answered, PLC control early warning systems 10 and delivery port 11, the water inlet of effluent filter 1 and pretreatment system and
Intake on biochemistry pool connecting pipe is connected, and the one end of sewage pump 2 is connected with effluent filter 1, and the other end is intake with aeration tank 3
Mouth connection, aeration tank 3 is interior to be provided with aeration tube 4, and aeration tube 4 is connected with aerator 5, the delivery port of aeration tank 3 and confined reaction pond 10
Connection, separation dividing plate 7 are used to confined reaction pond 6 being separated out 8 separated regions, biogel 8 include der Pilz biogel,
Zoogloea biogel, low-temperature biological gel, low pH biogels, low N biogels, low P biogels, high H2S biologies are solidifying
Glue and more soluble organic biogels, different biogels 8 are used to be placed on the difference point that confined reaction pond 6 is separated out
A DO electrode probe 9 is placed in septal area domain, in each separated region respectively, all DO electrode probes 9 control early warning with PLC
System 10 is connected, and the delivery port 11 in confined reaction pond 10 is connected with pretreatment system.
Microorganism is embedded in by biogel using investment to be mixed with the gel that airborne body is formed, the life that will be prepared
Thing gel is respectively placed in the different bottoms of confined reaction pond 6 after being soaked with buffer solution.
Bacterium in der Pilz biogel includes health and moving sticks bacteria, Bacillus cercus, Flavobacterium, unwrapping wire shape promise card
Salmonella, middle Escherichia, pseudomonas and saccharomycete；Bacterium in zoogloea biogel includes microfilament bacterium, football shirt
Bacterium, silk sulphur bacterium, Type 0041,0092 and 021N types；Bacterium in low-temperature biological gel includes microfilament bacterium and Type
0041 type；Bacterium in low pH biogels includes fungi Filamentous bacterium；Bacterium in low N biogels includes Type 021N types
And silk sulphur bacterium Thiothrix II；Bacterium in low P biogels includes N.limicola III；High H2In S biogels
Bacterium includes silk sulphur bacterium and Type 021N types；Bacterium in more soluble organic biogels include microfilament bacterium and
Type0092 types；Bacterium in low DO biogels includes football shirt bacterium.
Biogel preparation method is as follows：
Enrichment culture is carried out to bacterium needed for activated sludge in sewage treatment plant, isolates and purifies and identifies；
Cultured 1600-2000 mL required bacterial suspension is centrifuged into 5-10 under 5000-7500 r/min rotating speed
Min, supernatant is poured out, then add 6-10 mL pH7.0 buffer solution；
Weigh 8-10 g polyvinyl alcohol, 0.6-0.8g sodium alginates, 40-50 g CaCl2And 1.0-1.4 g NaNO3, add
Enter 50-60 mL without ammoniacal liquor, heating stirring is to being completely dissolved；
The mixed liquor of cooling and required bacteria concentrates are pressed 1:1 volume mixture, pour into lucifuge in mould and stand 1-1.5 h,
Film takes out and cleaned twice with without ammoniacal liquor, you can.
A kind of activated sludge bulking prewarning analysis system application method based on OUR, comprises the following steps：
Start sewage pump 2, being extracted from the intake on pretreatment system and biochemistry pool connecting pipe will enter by pretreatment
The sewage of biochemistry pool, sewage first pass through effluent filter 1, for removing the impurity contained in sewage, subsequently into aeration tank 3
It is interior, preaeration is carried out to sewage, for eliminating the change of the dissolved oxygen in sewage to der Pilz and the shadow of the respiratory rate of zoogloea
Ring, aerator 5 makes its DO concentration reach 2.5-2.8 mg/L by aeration tube 4 to sewage aeration, then stops aeration；
Sewage by preaeration enters in confined reaction pond 6 from the outlet of aeration tank 3, when reaching default sewage quantity, closes
Close the entrance in confined reaction pond 6, separation dividing plate 7 be placed in confined reaction pond 6, by the der Pilz biogel prepared and
Zoogloea biogel is respectively placed in different separated region bottoms, and der Pilz biogel and zoogloea biogel utilize
DO and nutrients in sewage carry out metabolism respiration, and with the extension in reaction time, DO concentration gradually reduces.According to correlation
Experiment, it has been found that in 5-10 min time, DO concentration decline is most obvious, so reaction of the present invention in confined reaction pond
Time is 6 min；
The DO electrode probes 9 being arranged in different separated regions by reaction start and reaction at the end of the der Pilz that measures and
The DO values D of zoogloea0And D1Data be transferred to PLC control early warning system 10, PLC control early warning system 10 according to default control
Processing procedure sequence calculates der Pilz and the respiratory rate of zoogloea carries out real-time comparative analysis, judges whether the level alarmed and alarmed
Not；
When send der Pilz activated sludge bulking alarm when, PLC control system 10 sends control instruction, by low-temperature biological gel,
Low pH biogels, low N biogels, low P biogels, high H2S biogels, more soluble organic biogels and low
DO biogels are respectively placed in different separated regions, corresponding DO electrode probes 9 are immersed below sewage level, DO electrodes
The real-time Data Transmission measured is controlled early warning system 10 by probe 9 to PLC；
PLC controls early warning system 10 to be expanded into according to default because analysis and Control program calculates the thread of varying environment dominance
The respiratory rate of bacterium carries out real-time comparative analysis, obtains the factor of leading activated sludge bulking and implements corresponding control measure；
The delivery port 11 of confined reaction pond 6 is opened, by sewage backflow into pretreatment system.
PLC controls 10 default control program of early warning system concretely comprises the following steps：
（1）The DO data that DO electrode probes are measured, according to default formula, OUR=D0 - D1/ T, wherein OUR are microorganism
Respiratory rate in time T, the respiratory rate OUR of der Pilz and zoogloea is calculated respectively1And OUR2；
（2）According to previous experiments, the normal breathing rates of der Pilz are OURs when being set into normal sewage, zoogloea it is normal
Respiratory rate is OURJ , according to the inhibiting rate Ps and P of the real-time respiratory rate of formula calculating der Pilz/zoogloeaJ , wherein
Negative represents promotion rate, and its formula is respectively Ps=OURs-OUR1/ OURs, PJ=OURJ-OUR2 /OURJ；
（3）According to the comparison and analysis to der Pilz/zoogloea respiratory rate and its inhibiting rate, following warning level is set：
A. as | Ps | ＜ 10%, | PJ | ＜ 10%, do not alarm, illustrate that the water inlet of now sewage plant is not fluctuated；
B. as Ps ＞ 35%, PJ ＞ 35%, alarm one is sent, illustrates that bio-toxicity is very strong in sewage, activated sludge can be brought
Damaging impact, sewage should be stopped immediately and enter biochemical reaction tank, cause the collapse of activated Sludge System；
C. as Ps ＜ ﹣ 10%, PJ ＜ ﹣ 10%, alarm two is sent, illustrates that sewage load is too high, it is necessary to increase aeration quantity or prolong
Residence time of the long sewage in biochemistry pool；
D. except a, b, c other in the case of, as Ps-PJ ＞ 25%, send alarm three, illustrate suppression of the sewage to der Pilz more
By force, the zoogloea in activated sludge can occupy advantage, cause activated sludge loosely fragile, and flco is broken to form needle-like floccule body
Non-filamentous bacteria occurs for sludge, and water quality treatment is not up to standard, need to analyze reason and change related operation process, add medicament to solve
Certainly problem；
E. except a, b, c other in the case of, as PJ-Ps ＞ 25%, send alarm four, illustrate suppression of the sewage to zoogloea more
By force, the der Pilz in activated sludge can occupy advantage, cause activated sludge bulking, settling of floccus degradation, water quality treatment is not
It is up to standard, reason need to be analyzed and change related operation process, add flocculant and medicament to solve problem；
F. as | Ps-PJ | ＜ 25%, send alarm five, sewage has one fixing to the respiratory rate of der Pilz and zoogloea
Ring, having on the balance of der Pilz and zoogloea necessarily influences, it is necessary to pay close attention to prevent from being worse off；
（4）When sending alarm three, the operation of PLC control system 10 is expanded into because of analysis and Control program, including step in detail below：
By low-temperature biological gel, low pH biogels, low N biogels, low P biogels, high H2It is S biogels, how solvable
Organic matter biogel and low DO biogels are respectively placed in different separated regions, and corresponding DO electrode probes 9 are soaked
Enter below sewage level, the real-time Data Transmission measured is controlled early warning system 10 by DO electrode probes 9 to PLC；
The DO data that DO electrode probes are measured, according to default formula, OUR=D0 - D1/ T, wherein OUR are that microorganism exists
Respiratory rate in time T, the respiratory rate OUR of different type der Pilz is calculated respectivelyn, n takes 1 ~ 6, represents respectively low
Warm, low pH, low N, low P, high H2S, der Pilz dominant under more soluble organic environment；
According to previous experiments, the normal breathing rates of the dominant der Pilz of varying environment are set as OUR0n , n takes 1 ~ 6, according to
Formula calculates the promotion rate Y of the real-time respiratory rate of the dominant der Pilz of varying environmentn , wherein negative represents inhibiting rate, its
Formula is respectively Yn=OURn - OUR0n/ OUR0n ；
According to the dominant respiratory rate of der Pilz of varying environment and the comparison of its inhibiting rate and analysis, set following pre-
It is alert：
A. when the dominant der Pilz of only some or several environment real-time respiratory rate promotion rate Yn ＞ 20%, says
This or these environmental condition corresponding in bright sewage, promote the generation of activated sludge bulking, PLC control early warning systems
10, which send instruction, implements corresponding control measure, reduces influence of the variation water quality to activated Sludge System of sewage；
B. when the dominant der Pilz of a variety of environment real-time respiratory rate promotion rate Yn For just, some or several environment
The promotion rate Y of the real-time respiratory rate of dominant der Pilzn Than other Yn It is big by more than 15%, illustrate sewage this or this
Several environmental conditions, are the main reason for activated sludge bulking occur, and PLC controls early warning system 10 sends instruction priority setting and adopted
These environmental conditions of controlling measurement are taken, reduce the influence to activated Sludge System.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, some improvement and deformation can also be made, these are improved and deformation
Also it should be regarded as protection scope of the present invention.
Claims (6)
1. a kind of activated sludge bulking prewarning analysis system based on OUR, it is characterized in that, including effluent filter（1）, sewage pump
（2）, aeration tank（3）, aerator, confined reaction pond（6）, separation dividing plate（7）, a variety of biogels（8）And the biology is solidifying
Glue（8）DO electrode probes corresponding to quantity（9）, PLC control early warning system（10）And delivery port（11）, the effluent filter
（1）Water inlet is connected with the intake on pretreatment system and biochemistry pool connecting pipe, the sewage pump（2）One end and the dirt
Water filter（1）Connection, the other end and the aeration tank（3）Water inlet connects, the aeration tank（3）It is interior to be provided with the aeration dress
Put, the aeration tank（3）Delivery port and the confined reaction pond（6）Connection, separate dividing plate（7）For by the confined reaction pond
（6）It is separated out at least eight separated region, the biogel（8）Including der Pilz biogel, zoogloea biogel, low
Warm biogel, low pH biogels, low N biogels, low P biogels, high H2S biogels and more soluble organics
Biogel, the different biogels（8）For being placed on the confined reaction pond（6）The different separated regions being separated out
It is interior, a DO electrode probe is placed respectively in each separated region（9）, all DO electrode probes（9）With
The PLC controls early warning system（10）Connection, the confined reaction pond（10）Delivery port（11）Connect with the pretreatment system
Connect.
2. a kind of activated sludge bulking prewarning analysis system based on OUR according to claim 1, it is characterized in that, it is described
Microorganism is embedded in by biogel using investment to be mixed with the gel that airborne body is formed, and the biogel prepared is used
The different confined reaction ponds is respectively placed in after buffer solution wetting（6）Bottom.
3. a kind of activated sludge bulking prewarning analysis system based on OUR according to claim 2, it is characterized in that, it is described
Biogel preparation method is as follows：
Enrichment culture is carried out to bacterium needed for activated sludge in sewage treatment plant, isolates and purifies and identifies；
Cultured 1600-2000 mL bacterial suspension is centrifuged into 5-10 min under 5000-7500 r/min rotating speed,
Supernatant is poured out, then adds 6-10 mL pH7.0 buffer solution；
Weigh 8-10 g polyvinyl alcohol, 0.6-0.8 g sodium alginates, 40-50 g CaCl2 And 1.0-1.4 g NaNO3 , add
Enter 50-60 mL without ammoniacal liquor, heating stirring is to being completely dissolved；
The mixed liquor of cooling and required bacteria concentrates are pressed 1:1 volume mixture, pour into lucifuge in mould and stand 1-1.5 h,
Gel takes out and cleaned twice with without ammoniacal liquor, you can.
4. a kind of activated sludge bulking prewarning analysis system based on OUR according to claim 1, it is characterized in that, it is described
Bacterium in der Pilz biogel include health and moving sticks bacteria, Bacillus cercus, Flavobacterium, unwrapping wire shape Nocard's bacillus, in
Between Escherichia, pseudomonas and saccharomycete；Bacterium in the zoogloea biogel include microfilament bacterium, football shirt bacterium,
Silk sulphur bacterium, Type 0041,0092 and 021N types；Bacterium in the low-temperature biological gel includes microfilament bacterium and Type
0041 type；Bacterium in the low pH biogels includes fungi Filamentous bacterium；Bacterium in the low N biogels includes Type
021N types and silk sulphur bacterium Thiothrix II；Bacterium in the low P biogels includes N.limicola III；The height
H2Bacterium in S biogels includes silk sulphur bacterium and Type 021N types；Bacterium in more soluble organic biogels
Including microfilament bacterium and Type0092 types；Bacterium in the low DO biogels includes football shirt bacterium.
5. a kind of activated sludge bulking prewarning analysis system application method based on OUR according to claim 1, its feature
It is to comprise the following steps：
Start the sewage pump（2）, it is by pretreatment from the intake extraction on pretreatment system and biochemistry pool connecting pipe
The sewage of biochemistry pool will be entered, sewage first passes through the effluent filter（1）, for removing the impurity contained in sewage, then
Into the aeration tank（3）It is interior, preaeration is carried out to sewage, for eliminating the change of the dissolved oxygen in sewage to der Pilz and bacterium glue
The influence of the respiratory rate of group；
Sewage by preaeration is from the aeration tank（3）Outlet enter the confined reaction pond（6）In, it is default when reaching
During sewage quantity, the confined reaction pond is closed（6）Entrance, by the separation dividing plate（7）It is placed in the confined reaction pond（6）
In, the der Pilz biogel prepared and the zoogloea biogel are respectively placed in the different marker spaces
Domain bottom, der Pilz biogel and zoogloea biogel carry out metabolism breathing using the DO in sewage and nutrients and made
With；
The DO electrode probes being arranged in the different separated regions（9）By what is measured at the end of reaction starts and reacts
Der Pilz and the DO values D of zoogloea0And D1Data be transferred to PLC control early warning system（10）, the PLC controls are in advance
Alert system（10）The respiratory rate that der Pilz and zoogloea are calculated according to default control program carries out real-time comparative analysis,
Judge whether the rank alarmed and alarmed；
When sending der Pilz activated sludge bulking alarm, the PLC control system（10）Control instruction is sent, by the low temperature
Biogel, the low pH biogels, the low N biogels, the low P biogels, the high H2S biogels,
More soluble organic biogels and the low DO biogels are respectively placed in different separated regions, by corresponding to
The DO electrode probes（9）Immerse below sewage level, the DO electrode probes（9）By the real-time Data Transmission measured to described
PLC controls early warning system（10）；
The PLC controls early warning system（10）It is expanded into according to default because analysis and Control program calculates varying environment dominance
The respiratory rate of der Pilz carry out real-time comparative analysis, obtain the factor of leading activated sludge bulking and implement corresponding control
Measure；
By the confined reaction pond（6）Delivery port（11）Open, by sewage backflow into the pretreatment system.
6. a kind of activated sludge bulking prewarning analysis system application method based on OUR according to claim 5, its feature
It is that the PLC controls early warning system（10）Default control program concretely comprises the following steps：
The DO data that the DO electrode probes are measured, according to default formula, OUR=（D0 - D1）/ T, wherein OUR are micro-
Respiratory rate of the biology in time T, the respiratory rate OUR of der Pilz and zoogloea is calculated respectively1And OUR2；
According to previous experiments, the normal breathing rates of der Pilz are OURs when being set into normal sewage, and the normal of zoogloea is exhaled
Suction speed is OURJ , according to the inhibiting rate Ps and P of the real-time respiratory rate of formula calculating der Pilz/zoogloeaJ , wherein negative
Number represent promotion rate, its formula be respectively Ps=（OURs-OUR1）/ OURs, PJ=（OURJ-OUR2 ）/OURJ；
According to the comparison and analysis to der Pilz/zoogloea respiratory rate and its inhibiting rate, following warning level is set：
A. as | Ps | ＜ 10%, | PJ | ＜ 10%, do not alarm, illustrate that the water inlet of now sewage plant is not fluctuated；
B. as Ps ＞ 35%, PJ ＞ 35%, alarm one is sent, illustrates that bio-toxicity is very strong in sewage, activated sludge can be brought
Damaging impact, sewage should be stopped immediately and enter biochemical reaction tank, cause the collapse of activated Sludge System；
C. as Ps ＜ ﹣ 10%, PJ ＜ ﹣ 10%, alarm two is sent, illustrates that sewage load is too high, it is necessary to increase aeration quantity or prolong
Residence time of the long sewage in biochemistry pool；
D. except a, b, c other in the case of, as Ps-PJ ＞ 25%, send alarm three, illustrate suppression of the sewage to der Pilz more
By force, the zoogloea in activated sludge can occupy advantage, cause activated sludge loosely fragile, and flco is broken to form needle-like floccule body
Non-filamentous bacteria occurs for sludge, and water quality treatment is not up to standard, need to analyze reason and change related operation process, add medicament to solve
Certainly problem；
E. except a, b, c other in the case of, as PJ-Ps ＞ 25%, send alarm four, illustrate suppression of the sewage to zoogloea more
By force, the der Pilz in activated sludge can occupy advantage, cause activated sludge bulking, settling of floccus degradation, water quality treatment is not
It is up to standard, reason need to be analyzed and change related operation process, add flocculant and medicament to solve problem；
F. as | Ps-PJ | ＜ 25%, send alarm five, sewage has one fixing to the respiratory rate of der Pilz and zoogloea
Ring, having on the balance of der Pilz and zoogloea necessarily influences, it is necessary to pay close attention to prevent from being worse off；
When sending alarm three, the PLC control system（10）Operation is expanded into because of analysis and Control program, including is walked in detail below
Suddenly：
By the low-temperature biological gel, the low pH biogels, the low N biogels, the low P biogels, described
High H2S biogels, more soluble organic biogels and the low DO biogels are respectively placed in different separations
In region, the DO electrode probes by corresponding to（9）Immerse below sewage level, the DO electrode probes（9）The reality that will be measured
When data be transferred to PLC control early warning system（10）；
The DO data that DO electrode probes are measured, according to default formula, OUR=（D0 - D1）/ T, wherein OUR are microorganism
Respiratory rate in time T, the respiratory rate OUR of different type der Pilz is calculated respectivelyn, n takes 1 ~ 6, represents respectively low
Warm, low pH, low N, low P, high H2S, der Pilz dominant under more soluble organic environment；
According to previous experiments, the normal breathing rates of the dominant der Pilz of varying environment are set as OUR0n , n takes 1 ~ 6, according to
Formula calculates the promotion rate Y of the real-time respiratory rate of the dominant der Pilz of varying environmentn , wherein negative represents inhibiting rate, its
Formula is respectively Yn=（OURn - OUR0n）/ OUR0n ；
According to the dominant respiratory rate of der Pilz of varying environment and the comparison of its inhibiting rate and analysis, set following pre-
It is alert：
A. when the dominant der Pilz of only some or several environment real-time respiratory rate promotion rate Yn ＞ 20%, says
This or these environmental condition corresponding in bright sewage, promotes the generation of activated sludge bulking, and the PLC controls early warning
System（10）Send instruction and implement corresponding control measure, reduce influence of the variation water quality to activated Sludge System of sewage；
B. when the dominant der Pilz of a variety of environment real-time respiratory rate promotion rate Yn For just, some or several environment
The promotion rate Y of the real-time respiratory rate of dominant der Pilzn Than other Yn It is big by more than 15%, illustrate sewage this or this
Several environmental conditions, are the main reason for activated sludge bulking occur, and the PLC controls early warning system（10）It is preferential to send instruction
Emphasis takes measures to control these environmental conditions, reduces the influence to activated Sludge System.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112266071A (en) * | 2020-10-29 | 2021-01-26 | 中原环保股份有限公司 | Sewage treatment method for inhibiting activated sludge bulking |
| CN109111041B (en) * | 2018-09-13 | 2021-05-07 | 福建海峡环保集团股份有限公司 | Method for inhibiting biological foams caused by Nocardia in aeration tank |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0471686A (en) * | 1990-07-11 | 1992-03-06 | Nippon Health Kogyo Kk | Method for killing actinomyces and filamentous fungus in treated waste water produced by secondary treatment |
| CN101759333A (en) * | 2010-02-10 | 2010-06-30 | 彭永臻 | Apparatus for stably maintaining sludge micro-bulking for saving energy in biological denitrification technology and method thereof |
| CN101907596A (en) * | 2010-08-30 | 2010-12-08 | 重庆大学 | Method for monitoring and estimating inlet water toxicity of urban wastewater treatment plant on line |
| CN104914213A (en) * | 2015-05-13 | 2015-09-16 | 西安建筑科技大学 | Method for early warning of activated sludge filamentous bacterium expansion |
-
2017
- 2017-10-18 CN CN201710970270.9A patent/CN107540100B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0471686A (en) * | 1990-07-11 | 1992-03-06 | Nippon Health Kogyo Kk | Method for killing actinomyces and filamentous fungus in treated waste water produced by secondary treatment |
| CN101759333A (en) * | 2010-02-10 | 2010-06-30 | 彭永臻 | Apparatus for stably maintaining sludge micro-bulking for saving energy in biological denitrification technology and method thereof |
| CN101907596A (en) * | 2010-08-30 | 2010-12-08 | 重庆大学 | Method for monitoring and estimating inlet water toxicity of urban wastewater treatment plant on line |
| CN104914213A (en) * | 2015-05-13 | 2015-09-16 | 西安建筑科技大学 | Method for early warning of activated sludge filamentous bacterium expansion |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109111041B (en) * | 2018-09-13 | 2021-05-07 | 福建海峡环保集团股份有限公司 | Method for inhibiting biological foams caused by Nocardia in aeration tank |
| CN112266071A (en) * | 2020-10-29 | 2021-01-26 | 中原环保股份有限公司 | Sewage treatment method for inhibiting activated sludge bulking |
| CN112266071B (en) * | 2020-10-29 | 2022-12-20 | 中原环保股份有限公司 | Sewage treatment method for inhibiting activated sludge bulking |
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