CN109019836A - A kind of biological aerated filter and its processing method of sewage treatment - Google Patents
A kind of biological aerated filter and its processing method of sewage treatment Download PDFInfo
- Publication number
- CN109019836A CN109019836A CN201810909836.1A CN201810909836A CN109019836A CN 109019836 A CN109019836 A CN 109019836A CN 201810909836 A CN201810909836 A CN 201810909836A CN 109019836 A CN109019836 A CN 109019836A
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- China
- Prior art keywords
- pond body
- pipe
- aeration tube
- backwash
- inlet pipe
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- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F7/00—Aeration of stretches of water
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Biological Treatment Of Waste Water (AREA)
- Treatment Of Biological Wastes In General (AREA)
Abstract
The present invention discloses a kind of biological aerated filter of sewage treatment, including pond body and biological filter hopper, distribution reservoir is provided on the left of the pond body, the distribution reservoir is bolted with pond body, water-supply-pipe is provided below in the distribution reservoir, the water-supply-pipe both ends are fixedly connected with distribution reservoir and pond body respectively, backwash air inlet pipe and backwash water inlet pipe is provided below in the pond body, the backwash air inlet pipe and backwash water inlet pipe are fixedly connected with pond body, drainpipe is provided on the right side of the pond body, the drainpipe is fixedly connected with pond body, the pool bottom is provided with aeration tube, aerator is provided with above the aeration tube, the aerator is equally distributed setting, the aerator is threadedly coupled with aeration tube, the filtering screen for preventing aerator air-hole blockage is provided with above the aeration tube, the filtering screen and aeration Pipe is fixedly connected；The biological aerated filter of the sewage treatment can effectively prevent aerator air-hole blockage.
Description
Technical field
The present invention relates to a kind of biological aerated filter of sewage treatment and its processing methods.
Background technique
Biological aerated filter, abbreviation BAF is the end of the eighties at a kind of New biological membrane method sewage that America and Europe grows up
Science and engineering skill, obtains large development the beginning of the nineties, and maximum-norm reaches hundreds of thousands tpd, and develops as can be with denitrogenation dephosphorizing.
The application range of biological aerated filter is relatively broad, in water depth processing, slightly-polluted raw water processing, difficult to degrade has
There is good, even irreplaceable function in the processing of machine object, the nitrification of low-temperature sewage, low temperature micro-polluted water treatment.
In order to enable biological aerated filter to have the longer cycle of operation, reducing recoil number reduces energy consumption, with the work of BAF
Skill all needs to pre-process water inlet, and otherwise a large amount of impurity in raw water and SS will enter aerating filter, be easy to cause aerator
Air-hole blockage.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of sewage treatment use that can effectively prevent aerator air-hole blockage
Biological aerated filter and its processing method.
To solve the above problems, the present invention adopts the following technical scheme:
A kind of biological aerated filter of sewage treatment, including pond body and biological filter hopper, the pond body left side are provided with
Distribution reservoir, the distribution reservoir are bolted with pond body, and water-supply-pipe, the water-supply-pipe both ends difference is provided below in the distribution reservoir
It is connected with distribution reservoir and pond body, the water-supply-pipe both ends are fixedly connected with distribution reservoir and pond body respectively, are set below the pond body
It is equipped with backwash air inlet pipe and backwash water inlet pipe, the backwash air inlet pipe and backwash water inlet pipe are connected with pond body,
The backwash air inlet pipe and backwash water inlet pipe are fixedly connected with pond body, are provided with drainpipe on the right side of the pond body, described
Drainpipe is connected with pond body, and the drainpipe is fixedly connected with pond body, and the pool bottom is provided with aeration tube, the aeration
Pipe is located at below biological filter hopper, and the aeration tube is arranged through pond body, is provided with aerator, the exposure above the aeration tube
Gas device is equally distributed setting, and the aerator is threadedly coupled with aeration tube, is provided with above the aeration tube for preventing
The filtering screen of aerator air-hole blockage, the filtering screen wrap aerator, the filtering screen and the fixed company of aeration tube
It connects.
Preferably, the biofilter material slot position, among pond body, the pond body two sides are provided with card slot, the biological filter
Hopper two sides are provided with the clamping portion to match with card slot, the clamping portion and biological filter hopper as integral type setting, the card
Socket part is inserted into card slot, and the biological filter hopper is detachably connected by card slot and clamping portion with pond body, the biological filter hopper
On be provided with venthole, the venthole equidistantly distributed setting.By being provided with card slot and clamping portion, enable biological filter hopper
It is fixed in pond body.
Preferably, the pond body right upper portion is provided with the first stabilier and the second stabilier, first stabilier
It is fixedly connected with pond body with the second stabilier, backwash draining is provided between first stabilier and the second stabilier
It manages, is provided with vortex breaker above the backwash drainpipe, the vortex breaker is fixedly connected with pond body.First stabilier and second
Water surface is layered by stabilier, and the effective filtrate for intercepting backwash and being carried over, vortex breaker can effectively prevent backwash drainpipe
Vortex occurs when draining.
Preferably, the pool bottom is provided with sewage pipe, the sewage pipe is located at backwash air inlet pipe and backwash
Between water inlet pipe, the sewage pipe is connected with pond body, and the sewage pipe is bolted with pond body.Sewage pipe is effectively by sludge
Pond body is discharged.
Preferably, being provided with chemical feed pipe above the distribution reservoir, the chemical feed pipe is connected with distribution reservoir, the dosing
Pipe is bolted with distribution reservoir, and solenoid valve, the solenoid valve and chemical feed pipe flanged joint are provided on the chemical feed pipe.From dosing
Medicament is added in pipe into sewage, effectively makes sewage purification.
Preferably, the aeration tube is provided with more than one, the aeration tube is equally distributed, in the aeration tube
It is connected with vent stack, the vent stack is fixedly connected with aeration tube, and the vent stack is in T set up of character patt ern, the ventilation master
Pipe end is connected with air blower, and the vent stack is bolted with air blower.Air blower is ventilated to vent stack, is transferred to aeration
Guan Zhong is aerated it to sewage in water.
Preferably, being connected with vent branch in the aeration tube, the vent branch is connected with aeration tube, the aeration
Pipe is integral type setting with vent branch.Vent branch is connected with aeration tube, allow gas to effectively and from giving out.
Preferably, support leg is provided below in the biological filter hopper, the support leg is symmetric setting, described
Support leg both ends are fixedly connected with biological filter hopper and pond body respectively.Support leg effectively supports biological filter hopper.
The present invention also provides a kind of processing methods of the biological aerated filter of sewage treatment, comprising the following steps:
1) it when sewage flows into biofilter material, is in contact with the intracorporal biofilter material in pond；
2) Air Exposure is carried out to sewage, it is micro- in the organic pollutant and biomembrane in sewage when biomembrane maturation
Biological adsorption degradation；
3) the biological filter bed of material is loosened using backwash air inlet pipe, makes its expansion, wherein air purge intensity is 10~15L/ (S
m2), time 5min；
4) finally using backwash air inlet pipe and backwash water inlet pipe simultaneously by the suspended matter retained on biofilter material and old
The biomembrane of change rinses away, wherein washing intensity is 5~8.5L/ (Sm2), the time is 5~8min；
The invention has the benefit that being aerated by being provided with aeration tube, aerator and filtering screen in aerator
When, the impurity in the effective filter sewage of filtering screen, making it effectively prevents the air-hole blockage of aerator.In addition, biological filter
Hopper is located among pond body, and pond body two sides are provided with card slot, is provided with the clamping portion to match with card slot on the left of biological filter hopper,
Clamping portion and biological filter hopper are that integral type is arranged, and clamping portion is inserted into card slot, biological filter hopper by card slot and clamping portion and
Pond body is detachably connected, and venthole, the setting of venthole equidistantly distributed are provided on biological filter hopper.By be provided with card slot and
Clamping portion is capable of fixing biological filter hopper in pond body.Pond body right upper portion is provided with the first stabilier and the second stabilier, the
One stabilier and the second stabilier are fixedly connected with pond body, and backwash row is provided between the first stabilier and the second stabilier
Water pipe backwashes and is provided with vortex breaker above drainpipe, and vortex breaker is fixedly connected with pond body.First stabilier and the second stabilier
Water surface is layered, the effective filtrate for intercepting backwash and being carried over, when vortex breaker can effectively prevent backwash drainpipe draining
Vortex occurs.Pool bottom is provided with sewage pipe, and sewage pipe is located between backwash air inlet pipe and backwash water inlet pipe, sewage pipe
It is connected with pond body, sewage pipe is bolted with pond body.Effectively pond body is discharged in sludge by sewage pipe.It is provided with above distribution reservoir
Chemical feed pipe, chemical feed pipe are connected with distribution reservoir, and chemical feed pipe is bolted with distribution reservoir, and solenoid valve, electromagnetism are provided on chemical feed pipe
Valve and chemical feed pipe flanged joint.From medicament is added in chemical feed pipe into sewage, effectively make sewage purification.Aeration tube is provided with one
More than a, aeration tube is equally distributed, and vent stack is connected on aeration tube, and vent stack is fixedly connected with aeration tube, ventilation
Supervisor is in T set up of character patt ern, and vent stack end is connected with air blower, and vent stack is bolted with air blower.Air blower is to ventilation
Supervisor's ventilation, is transferred in aeration tube, is aerated it to sewage in water.Vent branch, ventilation branch are connected on aeration tube
Pipe is connected with aeration tube, and aeration tube and vent branch are integral type setting.Vent branch is connected with aeration tube, allows gas to
Effectively and from giving out.Support leg is provided below in biological filter hopper, and support leg is symmetric setting, support leg both ends
It is fixedly connected respectively with biological filter hopper and pond body.Support leg effectively supports biological filter hopper.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is a kind of cross-sectional view of the biological aerated filter of sewage treatment of the present invention.
Fig. 2 is a kind of aeration tube structural schematic diagram of the biological aerated filter of sewage treatment of the present invention.
Fig. 3 is a kind of aeration tube top view of the biological aerated filter of sewage treatment of the present invention.
In figure: 1, pond body；2, biological filter hopper；3, distribution reservoir；4, water-supply-pipe；5, air inlet pipe is backwashed；6, backwash into
Water pipe；7, drainpipe；8, aeration tube；9, aerator；10, filtering screen；11, card slot；12, clamping portion；13, venthole；14,
One stabilier；15, the second stabilier；16, drainpipe is backwashed；17, vortex breaker；18, sewage pipe；19, chemical feed pipe；20, electromagnetism
Valve；21, vent stack；22, air blower；23, vent branch；24, support leg.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
In embodiment, it is to be understood that term " centre ", "upper", "lower", " top ", " right side ", " left end ", " on
Side ", " back side ", " middle part ", etc. instructions orientation or positional relationship be based on the orientation or positional relationship shown in the drawings, be only for
It is novel convenient for describing this implementation, rather than the device or element of indication or suggestion meaning must have a particular orientation, with spy
Fixed orientation construction and operation, therefore should not be understood as implementing this novel limitation.
In addition, the connection or fixed form between component if not otherwise specified in this embodiment, connection or
Fixed form or can be adhesively fixed to be fixed by bolt commonly used in the prior art or pin is fixed or pin shaft connection,
Or it rivets the usual manners such as fixed and be not therefore described in detail in embodiment.
Embodiment 1
As shown in Figs. 1-2, a kind of biological aerated filter of sewage treatment, including pond body 1 and biological filter hopper 2, it is described
Distribution reservoir 3 is provided on the left of pond body 1, the distribution reservoir 3 is bolted with pond body 1, and water-supply-pipe is provided below in the distribution reservoir 3
4,4 both ends of water-supply-pipe are connected with distribution reservoir 3 and pond body 1 respectively, 4 both ends of water-supply-pipe respectively with distribution reservoir 3 and pond
Body 1 is fixedly connected, and backwash air inlet pipe 5 and backwash water inlet pipe 6, the backwash air inlet pipe 5 is provided below in the pond body 1
It is connected with pond body 1 with backwash water inlet pipe 6, the backwash air inlet pipe 5 and backwash water inlet pipe 6 are fixed with pond body 1
It connects, is provided with drainpipe 7 on the right side of the pond body 1, the drainpipe 7 is connected with pond body 1, and the drainpipe 7 and pond body 1 are solid
Fixed connection, 1 bottom of pond body are provided with aeration tube 8, and the aeration tube 8 is located at 2 lower section of biological filter hopper, the aeration tube 8
It is arranged through pond body 1, the aeration tube 8 is provided with aerator 9 above, and the aerator 9 is equally distributed setting, the exposure
Gas device 9 is threadedly coupled with aeration tube 8, and the aeration tube 8 is provided with the filtering screen for preventing aerator air-hole blockage above
10, the filtering screen 10 wraps aerator 9, and the filtering screen 10 is fixedly connected with aeration tube 8.By being provided with aeration
Pipe, aerator and filtering screen, when aerator is aerated, impurity in the effective filter sewage of filtering screen has it
The air-hole blockage for preventing aerator of effect.
Having the beneficial effect that by being provided with aeration tube, aerator and filtering screen for the present embodiment, is exposed in aerator
When gas, impurity in the effective filter sewage of filtering screen, making it effectively prevents the air-hole blockage of aerator.
Embodiment 2
As shown in Figure 1-3, a kind of biological aerated filter of sewage treatment, including pond body 1 and biological filter hopper 2, it is described
Distribution reservoir 3 is provided on the left of pond body 1, the distribution reservoir 3 is bolted with pond body 1, and water-supply-pipe is provided below in the distribution reservoir 3
4,4 both ends of water-supply-pipe are connected with distribution reservoir 3 and pond body 1 respectively, 4 both ends of water-supply-pipe respectively with distribution reservoir 3 and pond
Body 1 is fixedly connected, and backwash air inlet pipe 5 and backwash water inlet pipe 6, the backwash air inlet pipe 5 is provided below in the pond body 1
It is connected with pond body 1 with backwash water inlet pipe 6, the backwash air inlet pipe 5 and backwash water inlet pipe 6 are fixed with pond body 1
It connects, is provided with drainpipe 7 on the right side of the pond body 1, the drainpipe 7 is connected with pond body 1, and the drainpipe 7 and pond body 1 are solid
Fixed connection, 1 bottom of pond body are provided with aeration tube 8, and the aeration tube 8 is located at 2 lower section of biological filter hopper, the aeration tube 8
It is arranged through pond body 1, the aeration tube 8 is provided with aerator 9 above, and the aerator 9 is equally distributed setting, the exposure
Gas device 9 is threadedly coupled with aeration tube 8, and the aeration tube 8 is provided with the filtering screen for preventing aerator air-hole blockage above
10, the filtering screen 10 wraps aerator 9, and the filtering screen 10 is fixedly connected with aeration tube 8.By being provided with aeration
Pipe, aerator and filtering screen, when aerator is aerated, impurity in the effective filter sewage of filtering screen has it
The air-hole blockage for preventing aerator of effect.
The biological filter hopper 2 is located among pond body 1, and 1 two sides of pond body are provided with card slot 11, the biological filter hopper
2 two sides are provided with the clamping portion 12 to match with card slot, and the clamping portion 12 is integral type setting with biological filter hopper 2, described
Clamping portion 12 is inserted into card slot 11, and the biological filter hopper 2 is detachably connected by card slot 11 and clamping portion 12 with pond body 1, institute
It states and is provided with venthole 13 on biological filter hopper 2,13 equidistantly distributed of the venthole setting.By being provided with card slot and clamping
Portion is capable of fixing biological filter hopper in pond body.
1 right upper portion of pond body is provided with the first stabilier 14 and the second stabilier 15,14 He of the first stabilier
Second stabilier 15 is fixedly connected with pond body 1, is provided with backwash between first stabilier 14 and the second stabilier 15
Drainpipe 16, the backwash drainpipe 16 are provided with vortex breaker 17 above, and the vortex breaker 17 is fixedly connected with pond body 1.The
Water surface is layered by one stabilier and the second stabilier, and the effective filtrate for intercepting backwash and being carried over, vortex breaker can effectively be prevented
Vortex only occurs when the draining of backwash drainpipe.
1 bottom of pond body is provided with sewage pipe 18, and the sewage pipe 18 is located at backwash air inlet pipe 5 and backwash water inlet
Between pipe 6, the sewage pipe 18 is connected with pond body 1, and the sewage pipe 18 is bolted with pond body 1.Sewage pipe effectively will
Pond body is discharged in sludge.
The distribution reservoir 3 is provided with chemical feed pipe 19 above, and the chemical feed pipe 19 is connected with distribution reservoir 3, the chemical feed pipe
19 are bolted with distribution reservoir 3, and solenoid valve 20 is provided on the chemical feed pipe 19, and the solenoid valve 20 connects with 19 flange of chemical feed pipe
It connects.From medicament is added in chemical feed pipe into sewage, effectively make sewage purification.
The aeration tube 8 is provided with more than one, and the aeration tube 8 is equally distributed, and is connected in the aeration tube 8 logical
Gas supervisor 21, the vent stack 21 is fixedly connected with aeration tube 8, and the vent stack 21 is in T set up of character patt ern, the ventilation master
21 end of pipe is connected with air blower 22, and the vent stack 21 is bolted with air blower 22.Air blower is ventilated to vent stack, is passed
It is defeated into aeration tube, be aerated it to sewage in water.
Vent branch 23 is connected in the aeration tube 8, the vent branch 23 is connected with aeration tube 8, the aeration tube 8
It is integral type setting with vent branch 23.Vent branch is connected with aeration tube, allow gas to effectively and from giving out.
Support leg 24 is provided below in the biological filter hopper 2, and the support leg 24 is symmetric setting, the support
24 both ends of foot are fixedly connected with biological filter hopper 2 and pond body 1 respectively.Support leg effectively supports biological filter hopper.
Having the beneficial effect that by being provided with aeration tube, aerator and filtering screen for the present embodiment, is exposed in aerator
When gas, impurity in the effective filter sewage of filtering screen, making it effectively prevents the air-hole blockage of aerator.In addition, biological
For filtrate slot position among pond body, pond body two sides are provided with card slot, are provided with the clamping to match with card slot on the left of biological filter hopper
Portion, clamping portion and biological filter hopper are integral type setting, and clamping portion is inserted into card slot, and biological filter hopper passes through card slot and clamping portion
It is detachably connected with pond body, venthole, the setting of venthole equidistantly distributed is provided on biological filter hopper.By being provided with card slot
And clamping portion, it is capable of fixing biological filter hopper in pond body.Pond body right upper portion is provided with the first stabilier and the second stabilier,
First stabilier and the second stabilier are fixedly connected with pond body, and backwash is provided between the first stabilier and the second stabilier
Drainpipe backwashes and is provided with vortex breaker above drainpipe, and vortex breaker is fixedly connected with pond body.First stabilier and the second current stabilization
Water surface is layered by plate, and the effective filtrate for intercepting backwash and being carried over, vortex breaker can effectively prevent backwash drainpipe draining
Shi Fasheng vortex.Pool bottom is provided with sewage pipe, and sewage pipe is located between backwash air inlet pipe and backwash water inlet pipe, blowdown
Pipe is connected with pond body, and sewage pipe is bolted with pond body.Effectively pond body is discharged in sludge by sewage pipe.It is arranged above distribution reservoir
There is chemical feed pipe, chemical feed pipe is connected with distribution reservoir, and chemical feed pipe is bolted with distribution reservoir, solenoid valve is provided on chemical feed pipe, electricity
Magnet valve and chemical feed pipe flanged joint.From medicament is added in chemical feed pipe into sewage, effectively make sewage purification.Aeration tube is provided with
More than one, aeration tube is equally distributed, and vent stack is connected on aeration tube, and vent stack is fixedly connected with aeration tube, is led to
Gas supervisor is in T set up of character patt ern, and vent stack end is connected with air blower, and vent stack is bolted with air blower.Air blower is to logical
Gas supervisor's ventilation, is transferred in aeration tube, is aerated it to sewage in water.It is connected with vent branch on aeration tube, ventilates
Branch pipe is connected with aeration tube, and aeration tube and vent branch are integral type setting.Vent branch is connected with aeration tube, makes gas
Can effectively and from giving out.Support leg is provided below in biological filter hopper, and support leg is symmetric setting, support leg two
End is fixedly connected with biological filter hopper and pond body respectively.Support leg effectively supports biological filter hopper.
The present invention also provides a kind of processing methods of the biological aerated filter of sewage treatment, comprising the following steps:
1) it when sewage flows into biofilter material, is in contact with the intracorporal biofilter material in pond；
2) Air Exposure is carried out to sewage, it is micro- in the organic pollutant and biomembrane in sewage when biomembrane maturation
Biological adsorption degradation；
3) the biological filter bed of material is loosened using backwash air inlet pipe, makes its expansion, wherein air purge intensity is 10~15L/ (S
m2), time 5min；
4) finally using backwash air inlet pipe and backwash water inlet pipe simultaneously by the suspended matter retained on biofilter material and old
The biomembrane of change rinses away, wherein washing intensity is 5~8.5L/ (Sm2), the time is 5~8min；
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
The change or replacement expected without creative work, should be covered by the protection scope of the present invention.
Claims (8)
1. a kind of biological aerated filter of sewage treatment, it is characterised in that: including pond body and biological filter hopper, the pond body is left
Side is provided with distribution reservoir, and the distribution reservoir is bolted with pond body, and water-supply-pipe, the water-supply-pipe is provided below in the distribution reservoir
Both ends are connected with distribution reservoir and pond body respectively, and the water-supply-pipe both ends are fixedly connected with distribution reservoir and pond body respectively, the pond
Body is provided below backwash air inlet pipe and backwash water inlet pipe, the backwash air inlet pipe and backwashes water inlet pipe and pond body
It is connected, the backwash air inlet pipe and backwash water inlet pipe are fixedly connected with pond body, are provided with draining on the right side of the pond body
Pipe, the drainpipe are connected with pond body, and the drainpipe is fixedly connected with pond body, and the pool bottom is provided with aeration tube,
The aeration tube is located at below biological filter hopper, and the aeration tube is arranged through pond body, is provided with aeration above the aeration tube
Device, the aerator are equally distributed setting, and the aerator is threadedly coupled with aeration tube, is provided with above the aeration tube
For preventing the filtering screen of aerator air-hole blockage, the filtering screen wraps aerator, the filtering screen and aeration
Pipe is fixedly connected.
2. a kind of biological aerated filter of sewage treatment according to claim 1, it is characterised in that: the biofilter material
For slot position among pond body, the pond body two sides are provided with card slot, and biological filter hopper two sides are provided with to match with card slot
Clamping portion, the clamping portion and biological filter hopper are integral type setting, in the clamping portion insertion card slot, the biological filter hopper
It is detachably connected by card slot and clamping portion with pond body, is provided with venthole on the biological filter hopper, between described venthole etc.
It is arranged away from distribution.
3. a kind of biological aerated filter of sewage treatment according to claim 2, it is characterised in that: on the right side of the pond body
Top is provided with the first stabilier and the second stabilier, and first stabilier and the second stabilier are fixedly connected with pond body,
It is provided with backwash drainpipe between first stabilier and the second stabilier, is provided with above the backwash drainpipe anti-
Whirlpool device, the vortex breaker are fixedly connected with pond body.
4. a kind of biological aerated filter of sewage treatment according to claim 3, it is characterised in that: the pool bottom
It is provided with sewage pipe, the sewage pipe is located between backwash air inlet pipe and backwash water inlet pipe, the sewage pipe and pond body phase
Connection, the sewage pipe are bolted with pond body.
5. a kind of biological aerated filter of sewage treatment according to claim 4, it is characterised in that: on the distribution reservoir
Face is provided with chemical feed pipe, and the chemical feed pipe is connected with distribution reservoir, and the chemical feed pipe is bolted with distribution reservoir, the chemical feed pipe
On be provided with solenoid valve, the solenoid valve and chemical feed pipe flanged joint.
6. a kind of biological aerated filter of sewage treatment according to claim 5, it is characterised in that: the aeration tube is set
It is equipped with more than one, the aeration tube is equally distributed, and vent stack, the vent stack and exposure are connected in the aeration tube
Tracheae is fixedly connected, and the vent stack is in T set up of character patt ern, and the vent stack end is connected with air blower, the vent stack
It is bolted with air blower.
7. a kind of biological aerated filter of sewage treatment according to claim 6, it is characterised in that: in the aeration tube
It is connected with vent branch, the vent branch is connected with aeration tube, and the aeration tube and vent branch are integral type setting.
8. a kind of processing method of the biological aerated filter of sewage treatment, which comprises the following steps:
1) it when sewage flows into biofilter material, is in contact with the intracorporal biofilter material in pond；
2) Air Exposure is carried out to sewage, the microorganism in organic pollutant and biomembrane when biomembrane maturation, in sewage
Absorption degradation；
3) the biological filter bed of material is loosened using backwash air inlet pipe, makes its expansion, wherein air purge intensity is 10~15L/ (Sm2),
Time is 5min；
4) finally using backwash air inlet pipe and water inlet pipe is backwashed simultaneously for the suspended matter retained on biofilter material and aging
Biomembrane rinses away, wherein washing intensity is 5~8.5L/ (Sm2), the time is 5~8min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810909836.1A CN109019836A (en) | 2018-08-10 | 2018-08-10 | A kind of biological aerated filter and its processing method of sewage treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810909836.1A CN109019836A (en) | 2018-08-10 | 2018-08-10 | A kind of biological aerated filter and its processing method of sewage treatment |
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| CN109019836A true CN109019836A (en) | 2018-12-18 |
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| CN201810909836.1A Withdrawn CN109019836A (en) | 2018-08-10 | 2018-08-10 | A kind of biological aerated filter and its processing method of sewage treatment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110627201A (en) * | 2019-08-31 | 2019-12-31 | 苏州市苏创环境科技发展有限公司 | Movable biological aerated filter |
| CN112851044A (en) * | 2021-03-02 | 2021-05-28 | 广州绿邦环境技术有限公司 | Biological aerated filter and treatment method thereof |
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