CN106517655A - Continuous running type reverse flow biological aerated filter sewage treatment system - Google Patents
Continuous running type reverse flow biological aerated filter sewage treatment system Download PDFInfo
- Publication number
- CN106517655A CN106517655A CN201611022850.7A CN201611022850A CN106517655A CN 106517655 A CN106517655 A CN 106517655A CN 201611022850 A CN201611022850 A CN 201611022850A CN 106517655 A CN106517655 A CN 106517655A
- Authority
- CN
- China
- Prior art keywords
- fiberfill
- multistage
- reverse flow
- processing system
- biological filter
- 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.)
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/10—Packings; Fillings; Grids
- C02F3/101—Arranged-type packing, e.g. stacks, arrays
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/006—Water distributors either inside a treatment tank or directing the water to several treatment tanks; Water treatment plants incorporating these distributors, with or without chemical or biological tanks
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/48—Treatment of water, waste water, or sewage with magnetic or electric fields
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
Abstract
The invention relates to a continuous running type reverse flow biological aerated filter sewage treatment system. The system comprises first-stage strengthening equipment, a water inlet is formed in one side of the top of the first-stage strengthening equipment, and the other side of the top of the first-stage strengthening equipment is connected with a biological filter through a water pipe; a water distribution tank is arranged on the top of an inner cavity of the biological filter, multiple stages of fiber filler devices are arranged under the water distribution tank, and each stage of the fiber filler devices is composed of a bottom plate and fibers; a liquid level meter is arranged between the fiber filler devices and the water distribution tank, a flushing aeration pipeline is arranged under the fiber filler devices, and a running aeration pipeline is arranged under the flushing aeration pipeline. After sewage passes through the first-stage strengthening equipment, most SS and TP and part of COD are removed firstly; then the sewage enters the continuous running type reverse flow biological aerated filter, COD, ammonia nitrogen and total nitrogen in the sewage are further removed through a biochemical reaction of bacteria, and then the sewage meets the discharge standard.
Description
Technical field
The present invention relates to a kind of continuous operating reverse flow aerating biological filter sewage processing system, belongs at sewage
Reason field of purification.
Background technology
Sewage disposal purification is frequently necessary to use cleaning equipment, in cleaning equipment to use for the fiber in filter sewage more
Fabric, fiber are the basic structural units for constituting textile, and fiber is combined into knitting for definite shape according to certain aligned transfer
Thing, these fabrics have good filtration, purification effect to the granule in sewage, tight by the fabric construction being knitted to form, and pass through
The fabric construction that nonwoven processes are formed more loosely is adapted to the sewage purification under different situations, the fiber group of different-diameter size
It is combined the interfibrous pore size to be formed just different big, under the conditions of other conditions identical, fibre diameter is less,
Interfibrous aperture is also less, and the particle size in its sewage that can be intercepted is less, and in BAF, Jing is normal
Fiberfill device can be used, although the purifying rate of fiberfill device is high, but is essentially all to use single-stage fiber to fill out now
Material, clean-up effect be not good, using multistage fiberfill device, due to when biochemical reaction is carried out to a certain extent, long-pending on fiber
A large amount of sludge are gathered, including bacterium colony remains, metabolite and product etc., on the one hand substantial amounts of sludge plug filler
Through hole on base plate, reduces water, gas flow area, on the other hand also increases flow resistance, and automatization is relatively low, and tradition
Sewage treatment process because the pollutant levels in sewage it is relatively low, it is difficult to reach good biochemical effects, and common aeration life
Thing filter tank is easily blocked because higher to the SS sensitivitys in sewage, and backwash is frequently, need two or more filter tanks it
Between switch, inefficiency, complex management, accordingly, it would be desirable to further improve.
The content of the invention
The technical problem to be solved in the present invention overcomes existing defect, there is provided a kind of continuous operating reverse flow aeration and biological
Filter chamber sewage treatment system, sewage remove most SS and TP and part COD after primary reinforcement equipment, in advance, then
Enter in continuous operating reverse flow BAF, by the biochemical reaction of antibacterial, further remove in sewage
COD, ammonia nitrogen, total nitrogen, so as to reach discharge standard, can be with the problem in effectively solving background technology.
In order to solve above-mentioned technical problem, the invention provides following technical scheme：
A kind of continuous operating reverse flow aerating biological filter sewage processing system, including primary reinforcement equipment, the one-level are strong
Change equipment top side is provided with water inlet, and at the top of the primary reinforcement equipment, opposite side connects biofilter by water pipe, described
Biofilter inner cavity top is provided with distribution channel, and multistage fiberfill device is provided with below the distribution channel, and the multistage fiber is filled out
Every one-level fiberfill device of material device is constituted with fiber by base plate, between the multistage fiberfill device and distribution channel
Liquidometer is additionally provided with, flushing aerating pipelines is provided with below the multistage fiberfill device, is set below the flushing aerating pipelines
There are operation aerating pipelines, aeration blower, the operation aeration tube are rinsed by pipeline connection in the flushing aerating pipelines side
By pipeline connection operation aeration blower, the multistage fiberfill device side is additionally provided with downflow weir, described to overflow for road side
Liu Yan sides are provided with tank, and the tank intracavity bottom is additionally provided with outlet, the outlet side and the multistage fibre
Water space insertion connection below dimension filler device, the outlet opposite side are connected with the external world, the multistage fiberfill
Mud line is equipped with every one-level fiberfill device of device, and mud line connects sludge out pipe, institute by discharge pipeline
State sludge out pipe side to be connected with primary reinforcement equipment, the primary reinforcement equipment side is additionally provided with mud discharging mouth, on the discharge pipeline
Automatic valve is additionally provided with, the biofilter side is additionally provided with automatic controller.
Preferably, the automatic controller respectively with rinse aeration blower, operation aeration blower, automatic valve
Door is electrically connected with.
Preferably, the automatic controller adopts PLC.
Preferably, the liquidometer is electrically connected with the automatic controller.
Preferably, every one-level fiberfill device of the multistage fiberfill device grows and has antibacterial.
Preferably, offer on the base plate of every one-level fiberfill device of the multistage fiberfill device
Some through holes.
Preferably, the base plate of every one-level fiberfill device of the multistage fiberfill device is by fixing
Hole is connected with fiber.
Preferably, the distribution channel bottom even offers some leaking holes.
Preferably, the primary reinforcement equipment using efficient sedimentation tank, plus sand precipitation or Magneto separate three in appoint
Meaning is a kind of.
Beneficial effect of the present invention：Sewage removes most SS and TP and part after primary reinforcement equipment, in advance
COD, then into continuous operating reverse flow BAF in, by the biochemical reaction of antibacterial, further go decontamination
COD, ammonia nitrogen in water, total nitrogen, so as to reach discharge standard, in flushing operation, equipment normally can run in this filter tank, it is not necessary to
Shut down, during the stable operation of filter tank, clear water is entered in tank by outlet pipeline, is then discharged to the external world, if filter tank occurs
Failure, sewage can be entered in tank by downflow weir, it is to avoid occur to flow backwards phenomenon, the operation in filter tank is by automatic control system
It is controlled, artificial operation is not required to during normal operation, the number of plies of multistage fiberfill is determined according to actual sewage disposition, it is fine
The density of dimension and the size of base plate perforate, quantity and arrangement pattern etc., sewage when through multistage fiberfill, by growth
The biochemical action absorption of antibacterial on the fiber surface absorbs the pollutant in sewage, when biochemical reaction is carried out to a certain extent
When, process can be rinsed to fiberfill, the sludge for rinsing out enters subsequent treatment.
Description of the drawings
Accompanying drawing is used for providing a further understanding of the present invention, and constitutes a part for description, the reality with the present invention
Applying example is used for explaining the present invention together, is not construed as limiting the invention.
Fig. 1 is a kind of continuous operating reverse flow aerating biological filter sewage processing system overall structure figure of the invention.
Fig. 2 is bacteria filter structure figure of the present invention.
Label in figure：1st, biofilter；2nd, distribution channel；3rd, multistage fiberfill device；4th, base plate；5th, fiber；6th, liquid level
Meter；7th, aerating pipelines are rinsed；8th, aerating pipelines are run；9th, rinse aeration blower；10th, run aeration blower；11st, overflow
Weir；12nd, tank；13rd, outlet；14th, mud line；15th, discharge pipeline；16th, sludge out pipe；17th, automatic valve；18th, control automatically
Device processed；19th, primary reinforcement equipment；20th, water inlet；21st, water pipe；22nd, mud discharging mouth.
Specific embodiment
The preferred embodiments of the present invention are illustrated below in conjunction with accompanying drawing, it will be appreciated that preferred reality described herein
Apply example and be merely to illustrate and explain the present invention, be not intended to limit the present invention.
As Figure 1-Figure 2, a kind of continuous operating reverse flow aerating biological filter sewage processing system, including one-level is strong
Change equipment 19,19 top side of primary reinforcement equipment are provided with water inlet 20,19 top opposite side of the primary reinforcement equipment
Biofilter 1 is connected by water pipe 21,1 inner cavity top of the biofilter is provided with distribution channel 2, is provided with below the distribution channel 2
Multistage fiberfill device 3, every one-level fiberfill device of the multistage fiberfill device 3 is by 5 groups of base plate 4 and fiber
Into liquidometer 6 being additionally provided between the multistage fiberfill device 3 and distribution channel 2, below the multistage fiberfill device 3
Flushing aerating pipelines 7 are provided with, operation aerating pipelines 8, the flushing aerating pipelines 7 one below the flushing aerating pipelines 7, are provided with
Aeration blower 9 is rinsed by pipeline connection in side, and operation 8 side of aerating pipelines is by pipeline connection operation aeration blower
10, multistage 3 side of fiberfill device is additionally provided with downflow weir 11, and 11 side of the downflow weir is provided with tank 12, described
12 intracavity bottom of tank is additionally provided with outlet 13, below 13 side of the outlet and the multistage fiberfill device 3
Water space insertion connects, and 13 opposite side of the outlet is connected with the external world, and every one-level of the multistage fiberfill device 3 is fine
Mud line 14 is equipped with dimension filler device, and mud line 14 connects sludge out pipe 16, the mud extraction by discharge pipeline 15
16 side of pipe is connected with primary reinforcement equipment 19, and 19 side of primary reinforcement equipment is additionally provided with mud discharging mouth 22, the discharge pipeline
Automatic valve 17 is additionally provided with 15,1 side of the biofilter is additionally provided with automatic controller 18.
The automatic controller 18 is electrical with flushing aeration blower 9, operation aeration blower 10, automatic valve 17 respectively
Connection, controls different components operating by automatic controller 18, and the automatic controller 18 adopts PLC, small volume, place
Reason speed is fast, and the liquidometer 6 is electrically connected with the automatic controller 18, and the information of water level is passed to by liquidometer 6
Automatic controller 18, every one-level fiberfill device of the multistage fiberfill device 3 grow and have antibacterial, by being grown in
The biochemical action absorption of the antibacterial on 5 surface of fiber absorbs the pollutant in sewage, reaches the purpose of purification sewage, described multistage
Some through holes are offered on the base plate 4 of every one-level fiberfill device of fiberfill device 3, can be passed water through, it is described
The base plate 4 of every one-level fiberfill device of multistage fiberfill device 2 is connected with fiber 5 by fixing hole, convenient to fibre
Dimension 5 is removed and installed, and 2 bottom even of the distribution channel offers some leaking holes, facilitates leak, the primary reinforcement equipment 19
Using efficient sedimentation tank, add any one in sand precipitation or Magneto separate three, remove most SS and TP and part in advance
COD。
Operation principle of the present invention：Sewage removes most SS and TP and part after primary reinforcement equipment 19, in advance
COD, then into continuous operating reverse flow BAF 1 in, using distribution channel 2 distribution act on, sewage can be made
Water distribution is uniform, and sewage is flowed from top to bottom through multistage fiberfill device 3, and the fiber 5 of multistage fiberfill device 3 is faced
On, the pollutant in sewage are absorbed by the biochemical action absorption of the antibacterial being grown on 5 surface of fiber, sewage is further removed
In COD, ammonia nitrogen, total nitrogen, so as to reach discharge standard, reach purification sewage purpose, aerator can be constantly to dirt
Oxygen is provided in water, growth, metabolism and the renewal for enabling antibacterial stable, so as to ensure persistently carrying out for biochemical reaction, works as life
When change reaction is carried out to a certain extent, a large amount of sludge on fiber, are gathered, produced including bacterium colony remains, metabolite and reaction
On the one hand thing etc., substantial amounts of sludge plug the through hole on filler base plate 4, reduce water, gas flow area, on the other hand also increase
Big flow resistance, now, as the flow intake typically keeps constant, then the water level in filter tank slowly can be raised, and work as filter
When pool water level reaches monitoring point, flusher is opened, first, flushing is started working with aerator, provides than normal into filter tank
Aeration flow is higher by the air of several times, and large quantity of air is escaped from filter tank bottom up, on the one hand can wash blocked through hole open, separately
On the one hand, strong air-flow and sewage interact, and form gas-liquid two-phase turbulent flow, collect on fiber in every one-level fiberfill layer
Poly- sludge can come off under hydraulic shear effect, and at the same time, automatic valve 17 from top to bottom, open successively, when certain by layering
When one layer of automatic valve is opened, mud mixture can enter into mud line 14, enter in subsequent treatment, treat all of fiber
After packing layer is all rinsed, flusher close, it is different from the technique of traditional BAF, this filter tank in flushing operation,
Equipment normally can run, it is not necessary to shut down, and during the stable operation of filter tank, clear water is entered in tank 12, so by outlet pipeline
After be discharged into the external world, if filter tank is broken down, sewage can be entered in tank 12 by downflow weir 11, it is to avoid occur to flow backwards existing
As the operation in filter tank is controlled by automatic controller 18, and artificial operation is not required to during normal operation.
It is the present invention preferably embodiment above, those skilled in the art in the invention can also be to above-mentioned embodiment party
Formula is changed and is changed, therefore, above-mentioned specific embodiment is the invention is not limited in, every those skilled in the art exist
Made on the basis of the present invention it is any conspicuously improved, replace or modification belong to protection scope of the present invention.
Claims (9)
1. a kind of continuous operating reverse flow aerating biological filter sewage processing system, including primary reinforcement equipment（19）, which is special
Levy and be, the primary reinforcement equipment（19）Top side is provided with water inlet（20）, the primary reinforcement equipment（19）Top is another
Side passes through water pipe（21）Connection biofilter（1）, the biofilter（1）Inner cavity top is provided with distribution channel（2）, the water distribution
Groove（2）Lower section is provided with multistage fiberfill device（3）, the multistage fiberfill device（3）Every one-level fiberfill device
By base plate（4）With fiber（5）Composition, the multistage fiberfill device（3）With distribution channel（2）Between be additionally provided with liquidometer
（6）, the multistage fiberfill device（3）Lower section is provided with flushing aerating pipelines（7）, the flushing aerating pipelines（7）Lower section sets
There are operation aerating pipelines（8）, the flushing aerating pipelines（7）Aeration blower is rinsed by pipeline connection in side（9）, the fortune
Row aerating pipelines（8）Side is by pipeline connection operation aeration blower（10）, the multistage fiberfill device（3）Side is also
It is provided with downflow weir（11）, the downflow weir（11）Side is provided with tank（12）, the tank（12）Intracavity bottom is additionally provided with
Outlet（13）, the outlet（13）Side and the multistage fiberfill device（3）The water space insertion connection of lower section,
The outlet（13）Opposite side is connected with the external world, the multistage fiberfill device（3）Every one-level fiberfill device on
It is equipped with mud line（14）, and mud line（14）Pass through discharge pipeline（15）Connection sludge out pipe（16）, the sludge out pipe
（16）Side and primary reinforcement equipment（19）Connection, the primary reinforcement equipment（19）Side is additionally provided with mud discharging mouth（22）, it is described
Discharge pipeline（15）On be additionally provided with automatic valve（17）, the biofilter（1）Side is additionally provided with automatic controller（18）.
2. a kind of continuous operating reverse flow aerating biological filter sewage processing system according to claim 1, its feature exist
In：The automatic controller（18）Respectively with flushing aeration blower（9）, operation aeration blower（10）, automatic valve（17）
It is electrically connected with.
3. a kind of continuous operating reverse flow aerating biological filter sewage processing system according to claim 1, its feature exist
In：The automatic controller（18）Using PLC.
4. a kind of continuous operating reverse flow aerating biological filter sewage processing system according to claim 1, its feature exist
In：The liquidometer（6）With the automatic controller（18）It is electrically connected with.
5. a kind of continuous operating reverse flow aerating biological filter sewage processing system according to claim 1, its feature exist
In：The multistage fiberfill device（3）Every one-level fiberfill device grow and have antibacterial.
6. a kind of continuous operating reverse flow aerating biological filter sewage processing system according to claim 1, its feature exist
In：The multistage fiberfill device（3）Every one-level fiberfill device base plate（4）On offer some through holes.
7. a kind of continuous operating reverse flow aerating biological filter sewage processing system according to claim 1, its feature exist
In：The multistage fiberfill device（2）Every one-level fiberfill device base plate（4）Pass through fixing hole and fiber（5）
Connection.
8. a kind of continuous operating reverse flow aerating biological filter sewage processing system according to claim 1, its feature exist
In：The distribution channel（2）Bottom even offers some leaking holes.
9. a kind of continuous operating reverse flow aerating biological filter sewage processing system according to claim 1, its feature exist
In：The primary reinforcement equipment（19）Using efficient sedimentation tank, add any one in sand precipitation or Magneto separate three.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611022850.7A CN106517655A (en) | 2016-11-21 | 2016-11-21 | Continuous running type reverse flow biological aerated filter sewage treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611022850.7A CN106517655A (en) | 2016-11-21 | 2016-11-21 | Continuous running type reverse flow biological aerated filter sewage treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106517655A true CN106517655A (en) | 2017-03-22 |
Family
ID=58352422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611022850.7A Withdrawn CN106517655A (en) | 2016-11-21 | 2016-11-21 | Continuous running type reverse flow biological aerated filter sewage treatment system |
Country Status (1)
| Country | Link |
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| CN (1) | CN106517655A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2561789Y (en) * | 2002-07-02 | 2003-07-23 | 陈之杰 | Moderate water processing and reusing apparatus |
| CN201614334U (en) * | 2009-12-17 | 2010-10-27 | 北京市水利科学研究所 | Baffled aeration biological filter treatment system |
| CN102001751A (en) * | 2010-12-22 | 2011-04-06 | 中冶赛迪工程技术股份有限公司 | Continuous backwashing aeration biofilter |
| CN102755771A (en) * | 2011-04-26 | 2012-10-31 | 吉林市天源环保工程有限公司 | Multi-stage variable-porosity fiber filter bed and filtering equipment |
| CN105668787A (en) * | 2016-01-26 | 2016-06-15 | 南京大学 | Combined type multi-stage biological aerated filter and wastewater treatment process based on same |
-
2016
- 2016-11-21 CN CN201611022850.7A patent/CN106517655A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2561789Y (en) * | 2002-07-02 | 2003-07-23 | 陈之杰 | Moderate water processing and reusing apparatus |
| CN201614334U (en) * | 2009-12-17 | 2010-10-27 | 北京市水利科学研究所 | Baffled aeration biological filter treatment system |
| CN102001751A (en) * | 2010-12-22 | 2011-04-06 | 中冶赛迪工程技术股份有限公司 | Continuous backwashing aeration biofilter |
| CN102755771A (en) * | 2011-04-26 | 2012-10-31 | 吉林市天源环保工程有限公司 | Multi-stage variable-porosity fiber filter bed and filtering equipment |
| CN105668787A (en) * | 2016-01-26 | 2016-06-15 | 南京大学 | Combined type multi-stage biological aerated filter and wastewater treatment process based on same |
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| C06 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20170322 |