CN207330497U - A kind of device of the aerobic particle mud fast culture based on sludge age control - Google Patents
A kind of device of the aerobic particle mud fast culture based on sludge age control Download PDFInfo
- Publication number
- CN207330497U CN207330497U CN201720850794.XU CN201720850794U CN207330497U CN 207330497 U CN207330497 U CN 207330497U CN 201720850794 U CN201720850794 U CN 201720850794U CN 207330497 U CN207330497 U CN 207330497U
- Authority
- CN
- China
- Prior art keywords
- sludge
- unit
- control
- aerobic particle
- particle mud
- 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.)
- Active
Links
Classifications
-
- 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
Landscapes
- Biological Treatment Of Waste Water (AREA)
- Activated Sludge Processes (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The utility model discloses a kind of device of the aerobic particle mud fast culture based on sludge age control.Device includes inlet unit, reactor body, aeration unit, drainage cell, spoil disposal unit, control unit.Reactor body is columnar double-layer barrel, inner cylinder is as conversion zone, region between inside and outside cylinder is as sludge storage areas, water outlet in inner cylinder connects the sludge mouth of sludge storage areas by the pipeline with the first solenoid valve, and the outer barrel bottom of sludge storage areas is equipped with the sludge pipe with second solenoid valve.The utility model has the characteristics that the problem of easy and effective control sludge age, reduce reactor floor space, can realize the method for operation of spoil disposal control sludge age, overcome sequencing batch reactor (SBR) easy unstability in the case of non-sludge age regulates and controls.
Description
Technical field
A kind of device and method of the aerobic particle mud fast culture based on sludge age control is the utility model is related to, is belonged to
Technical field of biological treatment of wastewater.
Background technology
Mishima in 1991 etc. has found aerobic activated sludge self-coagulation phenomenon in continuous stream AUSB reactors.Aerobic
Grain sludge is the microorganism self-retaining form spontaneously formed under aerobic condition, has excellent settling property, higher biology
Retention volume, relatively low sludge yield and anti-Organic loading shock performance, have compensated for the deficiency of traditional activated sludge process.
First aerobic particle mud seminar in Munich, Germany in 2005, which makes it, to be explicitly defined, it is believed that aerobic grain
Sludge as a kind of microbial aggregate, its particle do not agglomerated with the reduction of hydraulic shear and have compared to floc sludge compared with
Fast sinking speed simultaneously thinks that Aerobic Granular Sludge Technology is a promising New Technology about Wastewater Treatment.Hereafter, study
Hot spot is concentrated mainly on formation mechenism, condition of culture and the major influence factors of aerobic particle mud and accelerates its engineering should
With.Research report, the withholding of longer sludge age microorganism is conducive to mud granule stabilization and pollutant efficiently removes.In aerobic grain
The university such as sludge technology application aspect, Dutch Delft, Australia Queensland, successively implements at aerobic particle mud
Manage wastewater treatment pilot plant test and the engineering mimoirs such as food, edible oil, beer, livestock and poultry cultivation and municipal administration.At present, relative maturity
Aerobic particle mud technique be Dutch Nereda techniques, its ground construction such as Dutch Epe municipal sewage plants reforming technology, it is dirty
Contaminate thing and remove efficient stable, land area and energy consumption saving 75%.
However, the aerobic particle mud run at present in sbr reactor device since sludge age cannot be effectively controlled, makes instead
Answer and a large amount of sludge are discharged in device operational process, cause functional flora to be lost in, system microbial metabolism is disorderly, and nitrification and denitrification is made
With being suppressed, grain structure stability is influenced, further causes reactor that irreversible unstable phenomenon occurs, constrains its industry
The application of change.Therefore, aerobic particle mud structural stability and contaminant removal efficiency are maintained while sludge age is controlled, is had
Very important practical application meaning.
Utility model content
The purpose of this utility model is to provide a kind of aerobic particle mud device of sludge age control fast culture efficient denitrification,
While controlling reactor sludge sludge age, reducing floor space, ensure that aerobic granular sludge reactor is run steadily in the long term.
The utility model specifically adopts the following technical scheme that realization：
The device of aerobic particle mud fast culture based on sludge age control, including inlet unit, reactor body, aeration
Unit and water unit；The reactor body is columnar double-layer barrel, and inner cylinder is as conversion zone, inside and outside cylinder
Between region as sludge storage areas, the water outlet in inner cylinder, which passes through the pipeline with the first solenoid valve and connects sludge, to be store
The sludge mouth in region is deposited, the outer barrel bottom of sludge storage areas is equipped with the sludge pipe with second solenoid valve；Sludge storage areas
Porous annular plate is provided with cross section above sludge mouth, for reducing the fluctuation of liquid level above plate；It is equipped with above inner cylinder
First liquid level gauge for induction level height is popped one's head in；Second liquid level gauge is equipped with above porous annular plate to pop one's head in；The aeration
Unit includes air pump connected in sequence, spinner flowmeter, porous aeration head, and porous aeration head is located at the bottom of inner cylinder；Institute
The inlet unit and water unit stated are respectively used to the water inlet and water outlet of reactor body.
Preferably, the inlet unit include the immersible pump that is connected with the water inlet at the top of reactor body and
Inlet bucket, immersible pump are located in inlet bucket.
Preferably, the water unit, including out of the bucket and peristaltic pump, peristaltic pump are connected on reactor body side wall
Water outlet and out of the bucket.
Preferably, control unit is additionally provided with, for carrying out central control.Further, the control unit uses
PLC controller.
Therefore, the utility model has the advantages that：
(1) device of the utility model can realize the effect of sludge sludge age in control reactor, while use double shell
Structure can reduce floor space, significantly improve nitrogen removal performance.
(2) due to the method for operation in aeration phase spoil disposal control sludge age that the utility model uses, non-sludge age is overcome
In the case of regulation and control the problem of sequencing batch reactor (SBR) easy unstability, it can assign reactor higher contaminant removal efficiency
(NH4+-N, COD and TN removal rate are respectively maintained at 90%, 95%, more than 75%) and prolonged stable operation.
(3) as a result of the process control mode of sludge age control, compare conventional SBR method, and the granulating time can be big
It is big to shorten, the problem of conventional SBR process particulates time is long, particle easy unstability is overcome, is had in actual sewage processing non-
Often important realistic meaning.
Brief description of the drawings
Fig. 1 is the apparatus structure schematic diagram used in embodiment 1 of the utility model；
The structure diagram of porous annular plate in the utility model of Fig. 2 positions；
Fig. 3 is the reactor sludge settling time variation diagram in embodiment；
Fig. 4 is the variation diagram of reactor sludge concentration (MLSS) and sludge volume index (SV) index in embodiment；
Fig. 5 is the variation diagram that conventional SBR technique controls processing contaminants removal capacity with sludge age in embodiment；
Fig. 6 is the granule sludge SEM comparison diagrams under different process in embodiment.A. conventional SBR technique aerobic particle mud
Surface SEM schemes；Aerobic particle mud surface SEM schemes under b.SRT (8d) control condition；Aerobic under c.SRT (12d) control condition
Grain Sludge Surface SEM figures；
In figure：Air pump 1, spinner flowmeter 2.1, porous aeration head 2.2, control unit 3, immersible pump 4, inlet bucket 5,
One liquid level meter probes 6, peristaltic pump 7, out of the bucket 8, the 9, first solenoid valve 10 of second liquid level gauge probe, second solenoid valve 11, water outlet
Mouth 12, sludge mouth 13, porous annular plate 14.
Embodiment
The utility model is further described with specific embodiment below in conjunction with the accompanying drawings
Embodiment as shown in Figure 1 is a kind of device of the aerobic particle mud fast culture based on sludge age control, its is whole
Body includes inlet unit, reactor body, aeration unit and water unit.
Wherein reactor body is Upper cylindrical shape, the double-layer barrel of lower cone shape, and inner cylinder is interior as conversion zone
Region between outer barrel thereby reduces single sludge storage areas and takes up an area, save device as sludge storage areas
Land area.Water outlet 12 in inner cylinder connects the sludge mouth of sludge storage areas by the pipeline with the first solenoid valve 10
13, the outer barrel bottom of sludge storage areas is equipped with the sludge pipe with second solenoid valve 11, and the residue in sludge storage areas is dirty
Mud is discharged by opening second solenoid valve 11.Mud mixture in inner cylinder in aeration phase passes through water outlet 12 and sludge mouth
13 enter in sludge storage areas, can be with sludge sludge age in control device from there through the discharge capacity of control mud mixture.It is dirty
Sludge volume in mud storage areas is by 9 detection of second liquid level gauge probe, but in aeration phase spoil disposal there are larger hydraulic blow,
It is easy to cause level fluctuation, therefore is provided with the cross section of the top of sludge storage areas sludge mouth 13 as shown in Figure 2 porous
Annular slab 14, for reducing the fluctuation of liquid level above plate.Second liquid level gauge probe 9 is arranged on the top of porous annular plate 14.Inner cylinder
Top is equipped with the first liquid level gauge probe 6 for induction level height, for controlling total wastewater flow rate in inner cylinder.
Aeration unit includes air pump 1 connected in sequence, spinner flowmeter 2.1, porous aeration head 2.2, porous aeration head
Positioned at the bottom of inner cylinder.Inlet unit and water unit are respectively used to the water inlet and water outlet of reactor body, wherein water inlet is single
Member includes the immersible pump 4 being connected with the water inlet at the top of reactor body and inlet bucket 5, immersible pump 4 are located at inlet bucket 5
In, for the matrix stored in inlet bucket 5 to be delivered in reactor；It is compacted and water unit includes out of the bucket 8 and peristaltic pump 7
Water outlet and out of the bucket 8 on the dynamic connection of pump 7 reactor body side wall, for the unnecessary matrix waste water in reactor to be discharged into
Out of the bucket 8.
Whole device carries out central control by control unit 3, and control unit 3 can be adopted as the side such as PLC controller, microcontroller
Formula realizes that it is visited with air pump 1, spinner flowmeter 2.1, immersible pump 4, first liquid level gauge probe 6, peristaltic pump 7, second liquid level gauge
First 9, first solenoid valve 10, second solenoid valve 11 connect respectively.According to each sensing device, automatically control other valves, pump etc. and set
It is standby, realize closed-loop control.
The operational process of the device is as follows：
Using SBR process operation reactors, the matrix waste water in inlet bucket 5 is pumped into by reactor body by immersible pump 4
In, while seed sludge, waste water is aerated using air pump 1；In aeration phase, mud mixture terminates preceding 1 in aeration
Minute opens the first solenoid valve 10, by extracting out and being stored in sludge storage areas in reactor.During being somebody's turn to do, by porous annular
Plate 14 eliminates liquid fluctuating, and liquid level, when reaching predetermined height, stops the first electricity by 9 monitoring of second liquid level gauge probe
Magnet valve 10 works.Then second solenoid valve 11 is opened, discharges mud mixture.Waste water matrix in reactor can pass through wriggling
Pump 7 is quantitatively pumped into out of the bucket 8.
Sludge-drainage time is preferably set to the reactor cycle of operation and terminates preceding 1-2min, and sludge age passes through the most suitable mud of system functional flora
Age determines that sludge volume is determined by following formula
Wherein,
SRT-sludge sludge age, d
V-reactor volume, L
V '-spoil disposal volume of each cycle, L
T-reactor the cycle of operation, h
Current aerobic particle mud SBR techniques sludge age cannot be effectively controlled, and make to discharge in reactor operational process big
Sludge is measured, causes functional flora to be lost in, system microbial metabolism is disorderly, and nitrification and denitrification effect is suppressed, and influences particle
Structural stability, further causes reactor that irreversible unstable phenomenon occurs, constrains its industrialized application.In comparison,
The utility model shortens 15- by controlling spoil disposal further to regulate and control sludge sludge age, than the conventional SBR process particulates time
20 days, TN removal rates improved 5%-10%, overcame the problem of conventional SBR process particulates time is long, particle easy unstability,
There is very important realistic meaning in actual sewage processing.
The aerobic particle mud that the utility model obtains is faint yellow spheric granules, and sludge average grain diameter is 0.1mm and divides
Cloth is uniform, and grain structure consolidation, surface have gully to ensure dissolved oxygen (DO) and nutriment mass transfer.Microorganism is reunited in particle
Closely, the zoogloea containing higher proportion, and it is enriched with Zoogloea, pottery Salmonella in distress, nitrosomonas, Nitraspira etc.
Functional flora.
The technique effect of the utility model is described further below by embodiment.
Embodiment
The aerobic particle mud technique that town sewage is handled in the present embodiment uses sequence batch of the dischargeable capacity for 4.0L
Formula reactor (SBR), the main body of reactor are the lucite cylinder of cylinder, cylinder high 50cm, internal diameter 10cm, ratio of height to diameter 5.Dress
The concrete structure put is shown in Fig. 1 and 2 and described above, repeats no more.
The seed sludge of the present embodiment is derived from municipal sewage plant aeration tank, shannon index 4.85, it is meant that particle
In have higher flora abundance, the horizontal Bacterial community analysis of door finds that Proteobacteria and Bacteroidetes have accounted for more than 60%.
The present embodiment is as follows using the operating process of above-mentioned reactor for treatment town sewage culture aerobic particle mud：Using
SBR process operation reactors, under the control of PLC, reactor is according to water inlet-standing-aeration-spoil disposal-precipitation-water outlet
Order operation.The initial service condition of reactor is：When the SBR cycles 4 are small, wherein intaking 5 minutes, 45 minutes are stood, aeration
180 minutes, spoil disposal 1 minute, settled 5 minutes, draining 5 minutes.The surface gas that the porous aeration head of reactor bottom installation provides
Speed is 2.0cm/s, and volume-exchange ratio is 50%.Reactor start-up initial stage, by the active flco that sludge concentration is 4.5g/L
Sludge seeding into above-mentioned reactor, COD concentration be the town domestic sewage of 650mg/L as matrix, maintained in operational process
Organic loading 2kg CODm-3·d-1.In aeration phase, mud mixture terminates first 1 minute by peristaltic pump 10 from anti-in aeration
Answer extraction in device, flow 1/12L/min, sludge age control is 8 days in reactor.Since in operational process, sludge quality can be sent out
Changing, therefore be spaced 2-3 days needs and the highly desired time adjustment exposures of 12 lower section 2-3cm of water outlet are precipitated to according to sludge blanket
Gas time and sedimentation time, make water outlet keep clear state.Gradually operation is steady to aerobic particle mud indices in reactor
After fixed, the final system sedimentation time keeps 5min.For convenience of subsequent descriptions, above-described embodiment is denoted as R2.
It is synchronous to be provided with comparative example R1 and R3, wherein R1 and R2 phases at the same time in order to contrast the effect of displaying the utility model
Than difference lies in using SBR techniques, by conventional method culture aerobic particle mud, excess sludge is with SBR water outlets discharge, sludge age
Do not control；R3 and R2 is 12d difference lies in sludge age control.
As shown in Figure 4,5, after aerobic particle mud culture is completed, sludge concentration maintains 4-5g/L in reactor, instead
Device treatment effect is answered to stablize, effluent quality is good.System NH after gradient drop exposes4 +- N, COD and TN removal rates are respectively maintained at
90%th, 95%, more than 75%, contaminant removal efficiency is high, long-term operation performance is stablized.
As a result of the process control mode (as shown in Figure 3) of sludge age control, the granulating time is compared to conventional SBR work
Skill shortens 15-20 days, the problem of conventional SBR process particulates time is long, particle easy unstability is overcome, in actual sewage processing
In there is very important realistic meaning.
As shown in fig. 6, the aerobic particle mud cultivated in the present embodiment under 8d sludge ages is the larger (average grain diameter of average grain diameter
For 0.1mm), the faint yellow spheric granules of particle diameter distribution normal state, grain structure consolidation, surface have compared with rill gully ensure dissolved oxygen
(DO) and nutriment mass transfer；Compared to the ordinary activated sludge under traditional handicraft, the microorganism in granule sludge is reunited closely,
Zoogloea containing higher proportion, and it is enriched with the work(such as Zoogloea, pottery Oerskovia, nitrosomonas, Nitraspira
Can flora.And the long culture effect that can also influence aerobic particle mud of sludge age, in figure the granularity of 12d sludge ages compared with
Small, structure is clearly more loose, and its granular sludge time will also be grown 15 days or so compared with traditional handicraft.
Claims (5)
1. a kind of device of the aerobic particle mud fast culture based on sludge age control, it is characterised in that including inlet unit, instead
Answer device main body, aeration unit and water unit；
The reactor body is columnar double-layer barrel, and inner cylinder as conversion zone, make by the region between inside and outside cylinder
For sludge storage areas, the water outlet (12) in inner cylinder passes through the pipeline with the first solenoid valve (10) and connects sludge storage area
The sludge mouth (13) in domain, the outer barrel bottom of sludge storage areas are equipped with the sludge pipe with second solenoid valve (11)；Sludge is stored
Porous annular plate (14) is provided with cross section above region sludge mouth (13), for reducing the fluctuation of liquid level above plate；It is interior
The first liquid level gauge probe (6) for induction level height is equipped with above cylinder；The second liquid is equipped with above porous annular plate (14)
Position meter probe (9)；
The aeration unit includes air pump connected in sequence (1), spinner flowmeter (2.1), porous aeration head (2.2), more
Hole aeration head is located at the bottom of inner cylinder；
The inlet unit and water unit is respectively used to the water inlet and water outlet of reactor body.
2. the device of the aerobic particle mud fast culture as claimed in claim 1 based on sludge age control, it is characterised in that institute
The inlet unit stated includes immersible pump (4) and the inlet bucket (5) being connected with the water inlet at the top of reactor body, immersible pump
(4) it is located in inlet bucket (5).
3. the device of the aerobic particle mud fast culture as claimed in claim 1 based on sludge age control, it is characterised in that institute
The water unit stated, including out of the bucket (8) and peristaltic pump (7), water outlet on peristaltic pump (7) connection reactor body side wall with
And out of the bucket (8).
4. the device of the aerobic particle mud fast culture as claimed in claim 1 based on sludge age control, it is characterised in that also
Equipped with control unit (3), for carrying out central control.
5. the device of the aerobic particle mud fast culture as claimed in claim 4 based on sludge age control, it is characterised in that institute
The control unit stated uses PLC controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720850794.XU CN207330497U (en) | 2017-07-13 | 2017-07-13 | A kind of device of the aerobic particle mud fast culture based on sludge age control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720850794.XU CN207330497U (en) | 2017-07-13 | 2017-07-13 | A kind of device of the aerobic particle mud fast culture based on sludge age control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207330497U true CN207330497U (en) | 2018-05-08 |
Family
ID=62377286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720850794.XU Active CN207330497U (en) | 2017-07-13 | 2017-07-13 | A kind of device of the aerobic particle mud fast culture based on sludge age control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207330497U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107352640A (en) * | 2017-07-13 | 2017-11-17 | 浙江大学 | The device and method of aerobic particle mud fast culture based on sludge age control |
-
2017
- 2017-07-13 CN CN201720850794.XU patent/CN207330497U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107352640A (en) * | 2017-07-13 | 2017-11-17 | 浙江大学 | The device and method of aerobic particle mud fast culture based on sludge age control |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Pronk et al. | Full scale performance of the aerobic granular sludge process for sewage treatment | |
| CN101555068B (en) | Culture method of aerobic granular sludge for simultaneous denitrification and dephosphorization of domestic sewage at low and normal temperature | |
| CN100545103C (en) | Active sludge-biomembrane compounding integral sewage treating method and device thereof | |
| CN102838255B (en) | Cage-shaped filler type device for treating beer waste water in anaerobic-anoxic-aerobic mode and method for treating bear waste water by using device | |
| CN101333037A (en) | Gas-lifting internal circulation intermission aerobic granule sludge reactor and water treatment process thereof | |
| CN109292967B (en) | SBBR (sequencing batch reactor) process-based high-ammonia nitrogen rural biochemical sewage treatment device and method | |
| CN101823794B (en) | Method for fast biomembrane formation of fluidized filler in reaction technology of fluidized carrier biomembrane | |
| CN107364956A (en) | The method and batch-type reaction unit of a kind of rapidly cultivating aerobic particle sludge | |
| Münch et al. | Suspended carrier technology allows upgrading high-rate activated sludge plants for nitrogen removal via process intensification | |
| CN104803478A (en) | Energy-saving and consumption-reduction stable operation device and method for enhancing aerobic granule sludge | |
| CN107364954A (en) | Reactor and method with the mud discharging device for strengthening aerobic particle mud stable operation | |
| CN207986978U (en) | A kind of synchronous nitration and denitrification sewage-treatment plant | |
| CN207330497U (en) | A kind of device of the aerobic particle mud fast culture based on sludge age control | |
| Miyake et al. | Efficient aerobic granular sludge production in simultaneous feeding and drawing sequencing batch reactors fed with low-strength municipal wastewater under high organic loading rate conditions | |
| CN107352640A (en) | The device and method of aerobic particle mud fast culture based on sludge age control | |
| CN212687690U (en) | Sequencing batch aerobic granular sludge reactor | |
| CN101269873A (en) | Method and apparatus for recycling membrane-bioreactor sewage water | |
| Nada et al. | Full-scale municipal wastewater treatment by up-flow anaerobic sludge blanket (UASB) in Egypt | |
| CN201990575U (en) | Urban sewage treatment system | |
| CN207330500U (en) | A kind of device of aerobic sludge quick particle | |
| CN101386443A (en) | Rapid culture method of aerobic granule sludge in membrane bioreactor | |
| Li et al. | Morphological and structural characteristics of aerobic granulation | |
| CN107381791A (en) | The devices and methods therefor of aerobic sludge quick particle | |
| Zhang et al. | Energy savings and higher volumetric loading rate achieved in the conventional anoxic–oxic process for sewage treatment by enhancing biomass retention in the secondary clarifier | |
| KR102488754B1 (en) | Apparatus and Method for Treating Anaerobic Digestive Fluid |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |