CN108314176A - A kind of polyvinyl alcohol immobilized microorganism Gel Treatment sewage aerator and aeration method - Google Patents
A kind of polyvinyl alcohol immobilized microorganism Gel Treatment sewage aerator and aeration method Download PDFInfo
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- CN108314176A CN108314176A CN201710031837.6A CN201710031837A CN108314176A CN 108314176 A CN108314176 A CN 108314176A CN 201710031837 A CN201710031837 A CN 201710031837A CN 108314176 A CN108314176 A CN 108314176A
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- Prior art keywords
- aeration
- sewage
- polyvinyl alcohol
- aeration tank
- immobilized microorganism
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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
- C02F3/10—Packings; Fillings; Grids
- C02F3/105—Characterized by the chemical composition
- C02F3/108—Immobilising gels, polymers or the like
-
- 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
- C02F3/12—Activated sludge processes
- C02F3/1278—Provisions for mixing or aeration of the mixed liquor
-
- 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)
- Chemical & Material Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The invention discloses a kind of polyvinyl alcohol immobilized microorganism Gel Treatment sewage aerators, including aeration tank, the top of aeration tank is provided with outlet pipe, aeration tank bottom is provided with sewage water inlet pipe and air inlet pipe, it is respectively arranged with downflow weir and mud guard in the upper and lower part of aeration tank inner cavity, in aeration tank, lumen centers are provided through the standoff cylindrical baffle of bottom belt of downflow weir and mud guard, and in aeration tank, intracavity bottom is provided centrally with the aeration tube assembly being connect with air inlet pipe；The upper surface of the downflow weir is less than aeration tank upper surface, and the outlet pipe is connect with downflow weir.The present invention has the advantages that simple in structure; using it ventilation state; sewage is handled using polyvinyl alcohol gel; not only aeration is uniform; operating cost is low, and aeration is efficient, compared with conventional activated sludge method treated sewage; the aeration method of polyvinyl alcohol immobilized microorganism Gel Treatment sewage of the present invention can greatly reduce waste sludge amount, be conducive to environmental protection.
Description
Technical field
The present invention relates to a kind of aerator and aeration method, at especially a kind of polyvinyl alcohol immobilized microorganism gel
Manage sewage aerator and aeration method.
Background technology
Currently, polyvinyl alcohol（PVA）As a kind of novel microorganism entrapped immobilized carrier, it has gel particle
High mechanical strength, chemical stability is good, and Resistance to microbes performance is strong, nontoxic to microorganism, cheap etc. a series of
Advantage is applied to sewage treatment field, can substitute traditional Wastewater Treated by Activated Sludge Process sewage, can reduce sewage disposal and take up an area face
Product, can also reduce waste sludge pollution on the environment.
The key of polyvinyl alcohol immobilized microorganism Gel Treatment sewage, first, gel particle accumulation cannot be made in aeration tank
Any corner, it is stationary especially to sink to bottom of pond, second is that aeration is abundant, third, operating cost is reasonable, and at certain
In the case of a little, it is also desirable to the sludge loss speed in aeration tank should not be too fast, and complete these technical goals key equipment it
One is exactly aerator.
In existing literature, there is the aerator of amount of activated sludge treated sewage to report.Zhou Zengyan etc.
（CN03210037.X, biological oxidation solid-liquid separation intelligent water treatment device）It is open a kind of by suspended biological carrier thermopnore or
Activated sludge aeration tank and suspended biological carrier quiescent bed are composed by crossing the separation of water partition board, when normal operation, biology stream
Dynamic bed or activated sludge aeration tank are aerated throughout the year, and quiescent bed then periodically or when needing is aerated, and prevents from blocking to stir carrier, should
Technology can save sewage disposal space, but cannot achieve the aeration to the such bulky grain of polyvinyl alcohol gel.At Qiu Rong etc.
（CN03263211.8, a kind of biological aerated filter）Aeration gas distribution system is set in the filter material layer on supporting layer, and
To support interlayer, there are one section of anoxic sections below aeration gas distribution system, make the dirt flowed into from below using the anoxic section in aeration tank
Water fully carries out anti-nitration reaction under the action of through anaerobe, so that nitrogen in sewage, phosphorus equal size is reduced, sewage flow to exposure
Enter aerobic section, while organic matter under the action of microorganism in treated sewage, but the technology after on gas gas distribution system
It can not effectively realize polyvinyl alcohol gel treated sewage.
Invention content
It is an object of the invention to provide a kind of polyethylene that can be efficiently used polyvinyl alcohol gel and be handled sewage
Alcohol immobilized microorganism Gel Treatment sewage aerator and aeration method.
It is realized the purpose of the present invention is technical solution in this way, at a kind of polyvinyl alcohol immobilized microorganism gel
Sewage aerator, including aeration tank are managed, the top of the aeration tank is provided with outlet pipe, is provided in aeration tank bottom
Sewage water inlet pipe and air inlet pipe are respectively arranged with downflow weir and mud guard, in institute in the upper and lower part of the aeration tank inner cavity
The standoff cylindrical baffle of bottom belt that aeration tank lumen centers are provided through downflow weir and mud guard is stated, in the aeration
1 intracavity bottom of pond is provided centrally with the aeration tube assembly being connect with air inlet pipe；The upper surface of the downflow weir is less than on aeration tank
End face, the outlet pipe are connect with downflow weir.
Wherein, the mud guard is a bowl-type, and mud guard inner wall is obliquely installed, and the high middle part of surrounding is low, and bottom is slightly above
It is aerated tube assembly.
It further describes, the aeration tube component includes at least two diameters differences and the section being generally aligned in the same plane is circle
The concentric circles annular aeration tube positioned at inner ring and the concentric circles annular aeration tube positioned at outer ring of shape, the concentric circles annular aeration
It is connected to by air inlet pipe or cross snorkel sub-stent between pipe, shown cross snorkel sub-stent connects with the air inlet pipe
It is logical, it is both provided with venthole on the concentric circles annular aeration tube.
Its, be provided on the concentric circles annular aeration tube an at least row in the diagonal lower section venthole, it is described go out
The opening direction of stomata is in 30~60 angles with horizontal direction, it is described it is adjacent between the spacing of venthole be 5~25mm.
Further, a diameter of 10~100mm of concentric circles annular aeration tube, between neighboring concentric circular ring shape aeration tube
Spacing is 200~500mm.
Wherein, that the outside of the concentric circles annular aeration tube of the inner ring or/and inside are provided with an at least row is oblique outer
The spacing of the venthole of lower section, the adjacent venthole on the outside is 10~40mm, the adjacent venthole on the inside
Spacing is 5~25mm.
Further, the open pore size of the venthole is 0.5~3.0mm, on the same concentric circles annular aeration tube
The sum of venthole so that gas velocity is 1.5~3m/s.
In order to enable inlet distribution is uniform, the water outlet of the sewage water inlet pipe is provided with inlet distribution device, it is described into
Water distributor is located at aeration tank lower center position.
Wherein, the inlet distribution device includes pipe, and apopore is provided on the pipe, the sewage water inlet pipe
Water outlet and circular pipe communicated.
It is constituted alternatively, the inlet distribution device includes two cross one another pipes, water outlet is provided on the pipe
Hole, the water outlet of the sewage water inlet pipe are connected to the infall of two pipes.
A kind of aeration method of polyvinyl alcohol immobilized microorganism Gel Treatment sewage, the method are as follows：
1）The activated sludge containing microorganism for accounting for gel volume 0.5-15% is embedded into polyvinyl alcohol gel, by polyethylene
Alcogel is prepared into a diameter of 2-6mm, the sphere of density 1.0-1.1g/cm3；
2）Full of the sewage that COD value is 300-1000mg/l in aeration tank, input is relative to sewage body out of aeration tank baffle
The polyvinyl alcohol gel of product 5-30%；
3）Air is passed through into aerator by air inlet pipe, the air being passed through makes the gas velocity that in each hole in aeration tube reach
To 1.5-3m/s, so that polyvinyl alcohol gel and sewage is flowed to below baffle, then flowed from bottom to top in baffle, then from baffle
Top flows to outside baffle, is so persistently aerated 10-20 days；
4）After aeration, from the sewage that water inlet pipe continuous supplementation COD value is 300-1000mg/l, the flow of continuous supplementation sewage
Aeration tank can be full of for 15-20 hours by being subject to, at the same with intake identical flow velocity from water outlet pipe part and be continuously discharged it is up to standard
Water.
Wherein, the temperature of the treated sewage is 20~50.
By adopting the above-described technical solution, the present invention has the advantages that of simple structure and low cost, service-strong, adopt
With it in the state of ventilation, sewage is handled using polyvinyl alcohol gel, not only aeration is uniform, and operating cost is low, aeration
It is efficient, and compared with conventional activated sludge method treated sewage, at polyvinyl alcohol immobilized microorganism gel of the present invention
The aeration method of reason sewage can greatly reduce waste sludge amount, be conducive to environmental protection.
Description of the drawings
The description of the drawings of the present invention is as follows：
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the first structural schematic diagram of the aeration tube assembly of the present invention；
Fig. 3 is second of structural schematic diagram of aeration tube assembly of the present invention；
Fig. 4 sheets are the concentric circles annular aeration tube structural schematic diagram of the outer ring of the present invention；
Fig. 5 is the A-A sectional views of Fig. 4；
Fig. 6 is the concentric circles annular aeration tube structural schematic diagram of the inner ring of the present invention；
Fig. 7 is the B-B sectional views of Fig. 6；
Fig. 8 is the C-C sectional views of Fig. 6；
Fig. 9 is the D-D sectional views of Fig. 6；
Figure 10 is inlet distribution device structural schematic diagram of the present invention.
Specific implementation mode
Specific embodiments of the present invention will be described in further detail below in conjunction with the accompanying drawings, but the present invention does not limit to
In these embodiments, any improvement or replacement on the present embodiment essence spirit still falls within the claims in the present invention and is wanted
Seek the range of protection.
Embodiment 1：As described in Figure 1, a kind of polyvinyl alcohol immobilized microorganism Gel Treatment sewage aerator, including
Aeration tank 1, outlet pipe 2 is provided on the top of the aeration tank 1, and aeration tank bottom is provided with sewage water inlet pipe 3 and air inlet
Pipe 8 is respectively arranged with downflow weir 4 and mud guard 5, in 1 inner cavity of the aeration tank in the upper and lower part of 1 inner cavity of the aeration tank
It is provided centrally with the cylindrical baffle 7 that holder 6 is carried through the bottom of downflow weir 4 and mud guard 5, in 1 inner cavity of the aeration tank
Bottom centre is provided with the aeration tube assembly 9 being connect with air inlet pipe 8；The upper surface of the downflow weir 4 is less than 1 upper end of aeration tank
Face, the outlet pipe 2 are connect with downflow weir 4.
Wherein, the mud guard 5 is a bowl-type, and 4 inner wall of mud guard is obliquely installed, and the high middle part of surrounding is low, and bottom is slightly higher
In aeration tube assembly 9.
As shown in Fig. 2, the aeration tube component 9 includes at least two diameters differences and the section being generally aligned in the same plane is circle
The concentric circles annular aeration tube 10 positioned at inner ring and the concentric circles annular aeration tube 10 positioned at outer ring of shape, the concentric circles annular
Pass through cross snorkel sub-stent connection 11, shown cross snorkel sub-stent 11 and the air inlet pipe between aeration tube 10
8 connections, venthole 12 is both provided on the concentric circles annular aeration tube 10.
Wherein, as shown in Figure 4,5, be provided on the concentric circles annular aeration tube 10 an at least row in the diagonal lower section
Venthole 12, the opening direction of the venthole 12 are in 30~60 angles with horizontal direction, it is described it is adjacent between venthole 12
Spacing be 5~25mm.
Further, 10 a diameter of 10~100mm of concentric circles annular aeration tube, neighboring concentric circular ring shape aeration tube 10 it
Between spacing be 200~500mm.
As shown in Fig. 6,7,8,9, it is oblique that the outside of the concentric circles annular aeration tube 10 of the inner ring is provided with an at least row
To the venthole 12 of outer lower side, the spacing of the adjacent venthole 12 on the outside is 10~40mm, adjacent on the inside
The spacing of venthole 12 is 5~25mm.
Wherein, the open pore size of the venthole 12 is 0.5~3.0mm, on the same concentric circles annular aeration tube 10
Venthole 12 sum gas velocity be 1.5~3m/s.
Embodiment 2：As shown in Figure 1, a kind of polyvinyl alcohol immobilized microorganism Gel Treatment sewage aerator, including
Aeration tank 1, outlet pipe 2 is provided on the top of the aeration tank 1, and aeration tank bottom is provided with sewage water inlet pipe 3 and air inlet
Pipe 8 is respectively arranged with downflow weir 4 and mud guard 5, in 1 inner cavity of the aeration tank in the upper and lower part of 1 inner cavity of the aeration tank
It is provided centrally with the cylindrical baffle 7 that holder 6 is carried through the bottom of downflow weir 4 and mud guard 5, in 1 inner cavity of the aeration tank
Bottom centre is provided with the aeration tube assembly 9 being connect with air inlet pipe 8；The upper surface of the downflow weir 4 is less than 1 upper end of aeration tank
Face, the outlet pipe 2 are connect with downflow weir 4.
Wherein, the mud guard 5 is a bowl-type, and 4 inner wall of mud guard is obliquely installed, and the high middle part of surrounding is low, and bottom is slightly higher
In aeration tube assembly 9.
As shown, the aeration tube component 9 includes at least two diameters differences and the section being generally aligned in the same plane is circle
The concentric circles annular aeration tube 10 positioned at inner ring and the concentric circles annular aeration tube 10 positioned at outer ring of shape, the concentric circles annular
By air inlet pipe 8 between aeration tube 10, venthole 12 is both provided on the concentric circles annular aeration tube 10.
Wherein, as shown in Figure 4,5, be provided on the concentric circles annular aeration tube 10 an at least row in the diagonal lower section
Venthole 12, the opening direction of the venthole 12 are in 30~60 angles with horizontal direction, it is described it is adjacent between venthole 12
Spacing be 5~25mm.
Further, 10 a diameter of 10~100mm of concentric circles annular aeration tube, neighboring concentric circular ring shape aeration tube 10 it
Between spacing be 200~500mm.
As shown in Fig. 6,7,8,9, the outside of the concentric circles annular aeration tube 10 of the inner ring or/and inside be provided with to
Lack the venthole 12 of the oblique outer lower side of a row, the spacing of the adjacent venthole 12 on the outside is 10~40mm, the inside
On adjacent venthole 12 spacing be 5~25mm.
Wherein, the open pore size of the venthole 12 is 0.5~3.0mm, on the same concentric circles annular aeration tube 10
Venthole 12 sum gas velocity be 1.5~3m/s.
As shown in Figure 10, in order to enable water inlet is uniform, the water outlet of the sewage water inlet pipe 3 is provided with inlet distribution device
13, the inlet distribution device 13 is located at 1 lower center position of aeration tank.
Wherein, the inlet distribution device 13 includes pipe 14, and apopore 15, the sewage are provided on the pipe 14
The water outlet of water inlet pipe 3 is connected to pipe 14.
It constitutes alternatively, the inlet distribution device packet 13 includes two cross one another pipes 14, is arranged on the pipe 14
There are apopore 15, the water outlet of the sewage water inlet pipe 3 to be connected to the infall of two pipes 14.
The present invention is in aeration, and in the state of ventilation, the condition of similar vacuum is formed on 1 bottom of aeration tank, makes sewage and coagulates
Glue by the hanging place in the lower section of baffle 7 from 7 outer natural back flow of baffle to 7 lower section of baffle, then in the effect for being aerated tube assembly 9
Under, it is flowed from bottom to top in baffle 7, then 7 outside of baffle is flowed to above baffle 7, so in cycles so that aeration tank 1
In polyvinyl alcohol gel particle do not sink to the bottom, the setting of special 7 structure of baffle and downflow weir 4, can also slow down sludge loss
Speed, therefore when the present invention is used for sewage disposal, aeration is uniform, good sewage processing effect, and operating cost is low.Further, since
Polyvinyl alcohol gel has good degradability, and nontoxic, of the present invention poly- compared with conventional activated sludge method treated sewage
The aeration method of vinyl alcohol immobilized microorganism Gel Treatment sewage can greatly reduce waste sludge amount, be conducive to environment guarantor
Shield.
In invention, aeration tank 1 can be cylindric, the square bodily form, cuboid or other irregular anisotropic shapes
Shape, baffle 7 and aeration tube assembly 9 are also configured to corresponding shape.In the present invention, aeration tube assembly 9 and 1 bottom of aeration tank are most
Small distance is less than 100mm；The material for being aerated tube assembly 9 is on-deformable metal, plastics etc..
A kind of aeration method of polyvinyl alcohol immobilized microorganism Gel Treatment sewage, the method are as follows：
1）The activated sludge containing microorganism for accounting for gel volume 0.5-15% is embedded into polyvinyl alcohol gel, by polyethylene
Alcogel is prepared into a diameter of 2-6mm, the sphere of density 1.0-1.1g/cm3；
2）Full of the sewage that COD value is 300-1000mg/l in aeration tank 1, from the interior input of the baffle 7 of aeration tank 1 relative to sewage
The polyvinyl alcohol gel of volume 5-30%；
3）Air is passed through into aerator by air inlet pipe 8, the air being passed through makes each venthole 12 in aeration tube 10
Go out gas velocity and reach 1.5-3m/s, so that polyvinyl alcohol gel and sewage is flowed to 7 lower section of baffle, then in baffle 7 from bottom to top
Flowing, then flowed to outside baffle above baffle 7, so persistently it is aerated 10-20 days；
4）After aeration, from the sewage that 3 continuous supplementation COD value of sewage water inlet pipe is 300-1000mg/l, continuous supplementation sewage
Flow be subject to and can be full of within 15-20 hours aeration tank 1, while continuously to be arranged from outlet pipe 2 with the identical flow velocity of intaking
Go out water up to standard.
Wherein, the temperature of the treated sewage is 20~50.
Embodiment 3-6：Change following technological parameter and carries out sewage disposal, detailed process supplemental characteristic and sewage disposal knot
Fruit see the table below：
Claims (12)
1. a kind of polyvinyl alcohol immobilized microorganism Gel Treatment sewage aerator, including aeration tank（1）, in the aeration
Pond（1）Top be provided with outlet pipe（2）, aeration tank bottom is provided with sewage water inlet pipe（3）And air inlet pipe（8）, feature
It is：In the aeration tank（1）The upper and lower part of inner cavity is respectively arranged with downflow weir（4）And mud guard（5）, in the aeration tank
（1）Lumen centers are provided through downflow weir（4）And mud guard（5）Bottom carry holder（6）Cylindrical baffle（7）,
The aeration tank（1）Intracavity bottom is provided centrally with and air inlet pipe（8）The aeration tube assembly of connection（9）；The downflow weir（4）'s
Upper surface is less than aeration tank（1）Upper surface, the outlet pipe（2）With downflow weir（4）Connection.
2. polyvinyl alcohol immobilized microorganism Gel Treatment sewage aerator as described in claim 1, it is characterized in that：Institute
State mud guard（5）For a bowl-type, and mud guard（4）Inner wall is obliquely installed, and the high middle part of surrounding is low, and bottom is slightly above aerated tube assembly
（9）.
3. polyvinyl alcohol immobilized microorganism Gel Treatment sewage aerator as claimed in claim 2, it is characterized in that：Institute
State aeration tube assembly（9）Section that is different including at least two diameters and being generally aligned in the same plane is circular positioned at the concentric of inner ring
Circular ring shape aeration tube（10）With the concentric circles annular aeration tube positioned at outer ring（10）, the concentric circles annular aeration tube（10）Between
Pass through air inlet pipe（8）Or cross snorkel sub-stent（11）Connection, shown cross snorkel sub-stent（11）With it is described into
Tracheae（8）Connection, in the concentric circles annular aeration tube（10）On be both provided with venthole（12）.
4. polyvinyl alcohol immobilized microorganism Gel Treatment sewage aerator as claimed in claim 3, it is characterized in that：
The concentric circles annular aeration tube（10）On be provided with an at least row in the diagonal lower section venthole（12）, the venthole（12）
Opening direction and horizontal direction be in 30~60 angles, it is described it is adjacent between venthole（12）Spacing be 5~25mm.
5. polyvinyl alcohol immobilized microorganism Gel Treatment sewage aerator as claimed in claim 4, it is characterized in that：Institute
State concentric circles annular aeration tube（10）A diameter of 10~100mm, neighboring concentric circular ring shape aeration tube（10）Between spacing be 200
~500mm.
6. polyvinyl alcohol immobilized microorganism Gel Treatment sewage aerator as claimed in claim 5, it is characterized in that：
The concentric circles annular aeration tube of the inner ring（10）Outside or/and inside be provided with the venthole of the oblique outer lower side of an at least row
（12）, the adjacent venthole on the outside（12）Spacing be 10~40mm, the adjacent venthole on the inside（12）'s
Spacing is 5~25mm.
7. polyvinyl alcohol immobilized microorganism Gel Treatment sewage aerator as claimed in claim 6, it is characterized in that：Institute
State venthole（12）Open pore size be 0.5~3.0mm, the same concentric circles annular aeration tube（10）On venthole（12）
Sum gas velocity be 1.5~3m/s.
8. the polyvinyl alcohol immobilized microorganism Gel Treatment sewage aeration as described in claim 1 to 7 any claim
Device, it is characterized in that：In the sewage water inlet pipe（3）Water outlet be provided with inlet distribution device（13）, the inlet distribution device
（13）Positioned at aeration tank（1）Lower center position.
9. polyvinyl alcohol immobilized microorganism Gel Treatment sewage aerator as claimed in claim 8, it is characterized in that：Institute
State inlet distribution device（13）Including pipe（14）, in the pipe（14）On be provided with apopore（15）, the sewage water inlet pipe
（3）Water outlet and pipe（14）Connection.
10. polyvinyl alcohol immobilized microorganism Gel Treatment sewage aerator as claimed in claim 8, it is characterized in that：
The inlet distribution device packet（13）Include two cross one another pipes（14）It constitutes, in the pipe（14）On be provided with apopore
（15）, the sewage water inlet pipe（3）Water outlet and two pipes（14）Infall connection.
11. a kind of carrying out polyvinyl alcohol immobilized microorganism using the aerator as described in claim 1-10 any claims
The aeration method of Gel Treatment sewage, characterized in that the method is as follows：
1）The activated sludge containing microorganism for accounting for gel volume 0.5-15% is embedded into polyvinyl alcohol gel, by polyethylene
Alcogel is prepared into a diameter of 2-6mm, the sphere of density 1.0-1.1g/cm3；
2）Aeration tank（1）In full of COD value be 300-1000mg/l sewage, the baffle from aeration tank 1（7）It is interior input relative to
The polyvinyl alcohol gel of sewage volume 5-30%；
3）Air is passed through into aerator by air inlet pipe 8, the air being passed through makes aeration tube（10）In each venthole
（12）The gas velocity that goes out reach 1.5-3m/s, so that polyvinyl alcohol gel and sewage is flowed to baffle（7）Lower section, then in baffle（7）
It inside flows from bottom to top, then from baffle（7）Top flows to outside baffle, is so persistently aerated 10-20 days；
4）After aeration, from the sewage that 3 continuous supplementation COD value of sewage water inlet pipe is 300-1000mg/l, continuous supplementation sewage
Flow can be full of aeration tank with 15-20 hours（1）Subject to, at the same with the identical flow velocity of intaking from outlet pipe（2）Place connects
Continuous discharge water up to standard.
12. the aeration method of polyvinyl alcohol immobilized microorganism Gel Treatment sewage as claimed in claim 11, it is characterized in that：
The temperature of the treated sewage is 20~50.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710031837.6A CN108314176A (en) | 2017-01-17 | 2017-01-17 | A kind of polyvinyl alcohol immobilized microorganism Gel Treatment sewage aerator and aeration method |
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| CN201710031837.6A CN108314176A (en) | 2017-01-17 | 2017-01-17 | A kind of polyvinyl alcohol immobilized microorganism Gel Treatment sewage aerator and aeration method |
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Cited By (1)
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| CN109650528A (en) * | 2019-02-02 | 2019-04-19 | 安吉国千环境科技有限公司 | A kind of aerator for sewage treatment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109650528A (en) * | 2019-02-02 | 2019-04-19 | 安吉国千环境科技有限公司 | A kind of aerator for sewage treatment |
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