CN206289047U - Sewage-treatment plant and sewage disposal system - Google Patents
Sewage-treatment plant and sewage disposal system Download PDFInfo
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- CN206289047U CN206289047U CN201621297143.4U CN201621297143U CN206289047U CN 206289047 U CN206289047 U CN 206289047U CN 201621297143 U CN201621297143 U CN 201621297143U CN 206289047 U CN206289047 U CN 206289047U
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- sewage
- oxidation ditch
- oxygen
- submersible type
- raceway groove
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Abstract
The utility model provides a kind of sewage-treatment plant and sewage disposal system, is related to technical field of sewage, and the sewage-treatment plant that the utility model is provided includes:Oxidation ditch and second pond, oxidation ditch is communicated with second pond, discharge outlet is provided with oxidation ditch, oxidation ditch includes anaerobic zone, anoxic zone and oxygen-rich area, anaerobic zone is communicated with anoxic zone, and anoxic zone communicates with oxygen-rich area, and submersible type aerator is provided between anoxic zone and oxygen-rich area, submersible type aerator is located at the bottom of oxidation ditch, and the breather pipe for the bottom blowing air to oxidation ditch is provided with submersible type aerator.The sewage-treatment plant that the utility model is provided is applied in sewage disposal process, the technical problem of the influence wastewater treatment efficiency of aerator present in prior art and influence environment is solved.
Description
Technical field
The utility model is related to technical field of sewage, more particularly, to a kind of sewage-treatment plant and sewage disposal system
System.
Background technology
Industrial wastewater or sanitary sewage need to can be discharged by sewage disposal, living in various sewage water treatment methods
Property sludge utilize microbiological oxidation composition principle, eliminate the organic pollution in water, be that current economy generally acknowledged in the world has
The sewage disposal technology of effect, oxidation ditch process is one kind of activated sludge process.
Oxidation ditch is the big type in activated sludge process, and its basic characteristics are sewage end to end closes at one
Circulated in conjunction raceway groove, aerator is provided with ditch and the pushing meanss of current are promoted, sewage is obtained only in flow process
Change.Wherein, aerator is located at sewage surface, and aerator is rotated makes sewage surface acutely more folded, sewage and air contact,
During sewage and air contact, the oxygen in air is added in sewage, is reached the iron in removal sewage, manganese or is promoted to need
The purpose of oxygen animalcule degradation of organic substances, but, using aerator excessive agitation sewage surface, will dissipate the heat in sewage
It is dealt into air, makes the temperature drop of sewage, general who has surrendered influences the denitrification effect of sewage under sewage temperature, so as to influence sewage disposal
Effect;Additionally, excessive agitation sewage surface will make sewage produce bubble, the foul smell in sewage to be dispersed into air, made to environment
Into influence.
Utility model content
The purpose of this utility model is to provide a kind of sewage-treatment plant, to solve to be aerated dress present in prior art
Put the technical problem of influence wastewater treatment efficiency and influence environment.
The sewage-treatment plant that the utility model is provided includes:Oxidation ditch and second pond, the oxidation ditch are heavy with described two
Pond is communicated, and discharge outlet is provided with the oxidation ditch;
The oxidation ditch includes anaerobic zone, anoxic zone and oxygen-rich area, and the anaerobic zone communicates with the anoxic zone, described to lack
Oxygen area is communicated with the oxygen-rich area, and submersible type aerator is provided between the anoxic zone and the oxygen-rich area, and the submersible type exposes
Mechanism of qi is located at the bottom of the oxidation ditch, is provided with the submersible type aerator for the bottom blowing air to the oxidation ditch
Breather pipe.
Further, the oxidation ditch is located at the periphery of the second pond, and the oxidation ditch is integrated with the second pond
Structure.
Further, the first choking wall is provided with the oxidation ditch, be divided into for the oxidation ditch by first choking wall
The inner ring raceway groove and outer shroud raceway groove for communicating, the discharge outlet are arranged on the outer shroud raceway groove, and the submersible type aerator is set
In the bottom of the outer shroud raceway groove.
Further, the inner ring raceway groove includes anaerobic zone and anoxic zone, and the outer shroud raceway groove includes anoxic zone and oxygen-enriched
Area, the anoxic zone in the inner ring raceway groove communicates with the anoxic zone in the outer shroud raceway groove, the anoxic zone in the outer shroud raceway groove
Separated by the second choking wall with the oxygen-rich area, the submersible type aerator is arranged on second choking wall.
Further, the quantity of second choking wall is one.
Further, second choking wall includes two vertical walls and a horizontal wall, and the horizontal wall is located at two
Between the vertical wall, the submersible type aerator is arranged in the horizontal wall;
The submersible type aerator includes water inlet and delivery port, and the water inlet is located at the top of the delivery port.
Further, the quantity of the submersible type aerator is two, and two submersible type aerators are along the outer shroud
The radial direction of raceway groove is set up in parallel.
Further, the submersible type aerator includes actuator, impeller and guide shell, the actuator and the impeller
Connection, the impeller is located at the inside of the guide shell, and the breather pipe is located at the top of the guide shell.
Further, the upper end of the breather pipe is provided with air blower, the air outlet of the air blower and the breather pipe
Air inlet communicate.
When the sewage-treatment plant provided using the utility model carries out sewage disposal, sewage initially enters oxidation ditch,
Anaerobic zone and anoxic zone are sequentially passed through, submersible type aerator makes the sewage in anoxic zone enter oxygen-enriched in oxidation ditch bottom run
Area, meanwhile, outside air enters oxidation ditch bottom by breather pipe, when sewage is entered oxygen-rich area by submersible type aerator,
Oxygen in air is added in sewage, and sewage is further processed.Submersible type aerator is arranged on the bottom of oxidation ditch,
Not with open-air directly contact, when sewage is stirred from anoxic zone into oxygen-rich area, contact of the sewage with outside air is reduced
Area, so as to reduce the heat that sewage is outwardly distributed in air, prevents sewage temperature reduction and influences denitrification effect, meanwhile,
Submersible type aerator runs in oxidation ditch bottom, sewage will not be made to produce the spittle and the foul smell in sewage is dispersed into air,
Effect on environment is small.
Another object of the present utility model is to provide a kind of sewage disposal system, to solve to be exposed present in prior art
Device of air influences the technical problem of wastewater treatment efficiency and influence environment.
The sewage disposal system that the utility model is provided includes the sewage-treatment plant described in above-mentioned technical proposal.
When the sewage disposal system provided using the utility model processes sewage, sewage is carried out first in settler
Precipitation, subsequently into the oxidation ditch in sewage-treatment plant and sequentially passes through anaerobic zone and anoxic zone, and submersible type aerator is in oxygen
Change ditch bottom run, the sewage in anoxic zone is entered oxygen-rich area, meanwhile, outside air enters oxidation ditch bottom by breather pipe
Portion, when sewage is entered oxygen-rich area by submersible type aerator, the oxygen in air is added in sewage, and sewage is done further
Treatment, the water processed through sewage-treatment plant carries out disinfection treatment into chlorination equipment.Submersible type aerator is arranged on oxidation
The bottom of ditch, not with open-air directly contact, when sewage is stirred from anoxic zone into oxygen-rich area, reduces sewage empty with the external world
The contact area of gas, so as to reduce the heat that sewage is outwardly distributed in air, prevents sewage temperature reduction and influences denitrogenation to imitate
Really, meanwhile, submersible type aerator runs in oxidation ditch bottom, and will not produce sewage the spittle and is dispersed into the foul smell in sewage
In air, effect on environment is small.
Brief description of the drawings
In order to illustrate more clearly of the utility model specific embodiment or technical scheme of the prior art, below will be right
The accompanying drawing to be used needed for specific embodiment or description of the prior art is briefly described, it should be apparent that, describe below
In accompanying drawing be some implementation methods of the present utility model, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, other accompanying drawings can also be obtained according to these accompanying drawings.
The structural representation one of the sewage-treatment plant that Fig. 1 is provided for the utility model embodiment;
The structural representation two of the sewage-treatment plant that Fig. 2 is provided for the utility model embodiment;
Fig. 3 is the section structure schematic diagram at A in Fig. 2;
The path of bubble is illustrated at submersible type aerator in the sewage-treatment plant that Fig. 4 is provided for the utility model embodiment
Figure.
Icon:1- oxidation ditches;11- inner ring raceway grooves;12- outer shroud raceway grooves;2- second ponds;3- submersible type aerators;
31- impellers;32- guide shells;4- breather pipes;The choking walls of 5- first;6- arc choking walls;The choking walls of 7- second;71-
Vertical wall;72- horizontal walls.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with accompanying drawing, it is clear that described
Embodiment is a part of embodiment of the utility model, rather than whole embodiments.Based on the embodiment in the utility model, this
The every other embodiment that field those of ordinary skill is obtained under the premise of creative work is not made, belongs to this practicality
Novel protected scope.
It is term " " center ", " on ", D score, "left", "right", " perpendicular, it is necessary to explanation in description of the present utility model
Directly ", the orientation or position relationship of the instruction such as " level ", " interior ", " outward " are, based on orientation shown in the drawings or position relationship, to be only
Described with simplified for the ease of description the utility model, must had rather than the device or element for indicating or implying meaning specific
Orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.Additionally, term " the
One ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that indicating or implying relative importance.
, it is necessary to explanation, unless otherwise clearly defined and limited, term " is pacified in description of the present utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or integratedly
Connection;Can mechanically connect, or electrically connect;Can be joined directly together, it is also possible to be indirectly connected to by intermediary,
Can be two connections of element internal.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Concrete meaning of the language in the utility model.
Embodiment one
The structural representation one of the sewage-treatment plant that Fig. 1 is provided for the utility model embodiment, as shown in figure 1, this reality
The sewage-treatment plant provided with new embodiment includes:Oxidation ditch 1 and second pond 2, oxidation ditch 1 are communicated with second pond 2, oxidation
Discharge outlet is provided with ditch 1, oxidation ditch 1 includes anaerobic zone, anoxic zone and oxygen-rich area, and anaerobic zone communicates with anoxic zone, anoxic zone
Communicated with oxygen-rich area, submersible type aerator 3 is provided between anoxic zone and oxygen-rich area, submersible type aerator 3 is located at the bottom of oxidation ditch 1
Portion, is provided with the breather pipe 4 for the bottom blowing air to oxidation ditch 1 on submersible type aerator 3.
The shape of oxidation ditch 1 can be annular, rectangle or L-shaped etc., at the sewage that the utility model embodiment is provided
Oxidation ditch 1 is annular in reason device, and oxidation ditch 1 includes anaerobic zone, anoxic zone and oxygen-rich area, and anaerobic zone is contained within anaerobic bacteria, profit
With the effect of anaerobic bacteria, make the organic matter in sewage that hydrolysis, acidifying and methanation, the organic matter in removal sewage to occur, and carry
The biodegradability of sewage high, is conducive to follow-up Aerobic Process for Treatment;Contain a large amount of NO3-N and NO2-Ns, sewage in anoxic zone
Denitrification reaction can be carried out in the area;When sewage enters oxygen-rich area by submersible type aerator 3, oxygen is added in sewage, rich
Dissolved with oxygen in sewage in oxygen area, the purpose of aerobe degradation of organic substances is reached except iron, demanganization or promoted.Using this
The sewage-treatment plant that utility model embodiment is provided is when carrying out sewage disposal, sewage can by sewage conduct enter oxidation ditch 1,
And anaerobic zone and anoxic zone are sequentially passed through, submersible type aerator 3 enters the sewage in anoxic zone in the bottom run of oxidation ditch 1
Oxygen-rich area, meanwhile, outside air enters the bottom of oxidation ditch 1 by breather pipe 4, sewage is passed through submersible type aerator 3 and enters rich
During oxygen area, the oxygen in air is added in sewage, and sewage is further processed.Submersible type aerator 3 is arranged on oxidation
The bottom of ditch 1, not with open-air directly contact, when sewage is stirred from anoxic zone into oxygen-rich area, reduces sewage with the external world
The contact area of air, so as to reduce the heat that sewage is outwardly distributed in air, prevents sewage temperature reduction and influences denitrogenation
Effect, meanwhile, submersible type aerator 3 is run in the bottom of oxidation ditch 1, and sewage will not be made to produce the spittle and the foul smell in sewage is dissipated
It is dealt into air, effect on environment is small.
Further, oxidation ditch 1 is located at the periphery of the second pond 2, and oxidation ditch 1 is structure as a whole with second pond 2.Specifically
Ground, oxidation ditch 1 be loop configuration, second pond 2 be located at oxidation ditch 1 inner ring and with oxidation ditch 1 altogether wall set, oxidation ditch 1 it is interior
The wall of circle is same wall with the wall of the periphery of second pond 2, and the wall of the periphery of oxidation ditch 1 is independent wall.In this practicality
New embodiment provide sewage-treatment plant in, oxidation ditch 1 be located at second pond 2 periphery and be structure as a whole, oxidation ditch 1 with
Wall is set second pond 2 altogether, has saved construction material, and can improve construction speed, meanwhile, integrated is designed to reduction
Appropriation of land area, has saved land resource.
Further, it is provided with the first choking wall 5 in oxidation ditch 1, the first choking wall 5 is by 1 point of oxidation ditch in communicating
Circular groove road 11 and outer shroud raceway groove 12, discharge outlet are arranged on outer shroud raceway groove 12, and submersible type aerator 3 is arranged at outer shroud raceway groove 12
Bottom.As shown in Fig. 2 the first choking wall 5 is arcuate structure and is located in oxidation ditch 1, it is preferable that the first choking wall 5 and oxidation
The exterior wall of ditch 1 be arranged in parallel, and 1 point by oxidation ditch of the first choking wall 5 is inner ring raceway groove 11 and outer shroud raceway groove 12, the first choking wall 5
Length of the length less than the exterior wall of oxidation ditch 1 so that inner ring raceway groove 11 is communicated with outer shroud raceway groove 12, inner ring raceway groove 11 and outward
The corresponding two ends in circular groove road 12 are provided with arc choking wall 6, one end of arc choking wall 6 and the exterior wall phase of oxidation ditch 1
Even, the other end is connected with the interior wall of oxidation ditch 1;Discharge outlet is arranged on outer shroud raceway groove 12, for the sewage after treatment to be discharged,
It is for further processing, submersible type aerator 3 is arranged at the bottom of outer raceway groove, submersible type aerator 3 makes sewage and air contact,
The oxygen in air is set to be added in sewage.In sewage disposal process, sewage can enter inner ring raceway groove 11 by sewage conduct,
Proceed by sewage disposal, sewage flows into outer raceway groove from inner ring raceway groove 11, in the outer circular groove road 12 by submersible type aerator 3 with
Air contact under water is entered into by breather pipe 4, the oxygen in air is added in sewage, the sewage for completing treatment enters
Second pond 2 is precipitated.By oxidation ditch, 1 point is inner ring raceway groove 11 and outer shroud raceway groove 12, can extend the process of sewage disposal, is made
Sewage is sufficiently processed.
Further, inner ring raceway groove 11 includes anaerobic zone and anoxic zone, and outer shroud raceway groove 12 includes anoxic zone and oxygen-rich area, interior
Anoxic zone in circular groove road 11 communicates with the anoxic zone in outer shroud raceway groove 12, and the anoxic zone in outer shroud raceway groove 12 passes through with oxygen-rich area
Second choking wall 7 separates, and submersible type aerator 3 is arranged on the second choking wall 7.As shown in Fig. 2 anaerobic zone and anoxic zone are drawn
Along water (flow) direction near the place that communicates of inner ring raceway groove 11 and outer shroud raceway groove 12, outer shroud raceway groove 12 includes anoxic zone and oxygen-enriched to boundary
Area, anoxic zone and oxygen-rich area are separated by the second choking wall 7, and the second choking wall 7 is located near the position of the water inlet of outer shroud raceway groove 12
Put, submersible type aerator 3 is arranged on the second choking wall 7.In sewage disposal process, sewage can enter interior by sewage conduct
The anaerobic zone in circular groove road 11, the poly- phosphorus microorganism in sewage in anaerobic zone absorbs organic matter and release phosphorus, is included in anoxic zone
There is the organic matter of a large amount of nitrate, nitrite and abundance, sewage carries out denitrification reaction in anoxic zone, and sewage passes through submersible type
Aerator 3 enters oxygen-rich area from anoxic zone, and be passed into the air contact of the bottom of oxidation ditch 1, the oxygen in air dissolves in
To in sewage, to improve dissolution of contaminated water oxygen concentration, the purpose of aerobe degradation of organic substances is reached except iron, demanganization or promoted.
Inner ring raceway groove 11 is set to include anaerobic zone and anoxic zone, outer shroud raceway groove 12 includes anoxic zone and oxygen-rich area, makes sewage by different
Processed accordingly during region, reached the wastewater treatment efficiency of last needs.
In the present embodiment, the quantity of the second choking wall 7 is one.As shown in figure 3, the second choking wall 7 is located at outer circular groove
In road 12, by outer shroud raceway groove, 12 points is anoxic zone and oxygen-rich area, and submersible type aerator 3, submersible type are provided with the second choking wall 7
Aerator 3 makes sewage enter oxygen-rich area from anoxic zone, makes sewage and is passed into the air contact of the bottom of oxidation ditch 1, in air
Oxygen is added in sewage, meanwhile, plug-flow is played a part of in the operating of submersible type aerator 3, makes sewage in the He of inner ring raceway groove 11
The internal circulation flow of outer shroud raceway groove 12, sets second choking wall 7 in outer circular groove road 12, sets latent on the second choking wall 7
Ability of swimming aerator 3, forms single-point aeration, and good dissolving oxygen gradient can be formed in outer circular groove road 12, easily forms oxygen-rich area
And anoxic zone, make nitrification and nitration reaction in sewage disposal process more preferable;Additionally, setting single-point in outer circular groove road 12
Aeration, power-equipment is reduced in sewage-treatment plant, is easy to overhaul sewage-treatment plant and safeguarded.
Further, the second choking wall 7 includes two vertical walls 71 and a horizontal wall 72, and horizontal wall 72 is located at two and erects
Between stalk 71, submersible type aerator 3 is arranged in horizontal wall 72, and submersible type aerator 3 includes water inlet and delivery port, water inlet
Mouth is located at the top of delivery port.As shown in Figure 3 and Figure 4, the second choking wall 7 includes two vertical walls 71 and a horizontal wall 72,
Horizontal wall 72 is located between two vertical walls 71, and submersible type aerator 3 is located in anoxic zone, and is connected with the upper surface of horizontal wall 72
Connect, submersible type aerator 3 includes water inlet and delivery port, water inlet is located at the top of delivery port, and water inlet is located in anoxic zone,
Delivery port is located in oxygen-rich area.In sewage disposal process, submersible type aerator 3 is operated, and sewage passes through water inlet and delivery port
Enter oxygen-rich area from anoxic zone, at the same with the air contact for being passed into the bottom of oxidation ditch 1, the oxygen in air is added to sewage
In.Submersible type aerator 3 is arranged in horizontal wall 72, and make water inlet be located at delivery port top, sewage from top flow into,
Lower section is flowed out, and can fully be combined with air, realizes the balanced oxygen supply to sewage.
The quantity of submersible type aerator 3 can be one or two, in the present embodiment, the quantity of submersible type aerator 3
It it is two, two submersible type aerators 3 are set up in parallel along the radial direction of outer shroud raceway groove 12.As shown in Fig. 2 two submersible type aerators
3 are arranged on same second choking wall 7 and the radial direction along outer shroud raceway groove 12 is set up in parallel, and in sewage disposal process, two are dived
Ability of swimming aerator 3 is operated simultaneously, sewage is entered oxygen rich air area from anoxic zone, while more preferable plug-flow effect is produced to sewage,
Enable sewage preferably in inner ring raceway groove 11 and the interior circulation of outer shroud raceway groove 12.
Above-mentioned submersible type aerator 3 is used to make sewage enter oxygen-rich area from anoxic zone, in the present embodiment, submersible type aeration
Machine 3 includes actuator, impeller 31 and guide shell 32, and actuator is connected with impeller 31, and impeller 31 is located at the inside of guide shell 32, leads to
Tracheae 4 is located at the top of guide shell 32.Specifically, actuator can be underwater electric motor or submersible machine etc., in this implementation
Actuator is submersible machine in example, and impeller 31 is located in guide shell 32 and is connected with submersible machine, and one end of guide shell 32 is located at
In anoxic zone, the other end be located in oxygen-rich area, breather pipe 4 is located at the top of guide shell 32 and is communicated with outside air, extraneous empty
Gas enters the bottom of oxidation ditch 1 by breather pipe 4.In sewage disposal process, submersible machine impeller 31 rotates, impeller 31
Sewage is set to enter oxygen-rich area from anoxic zone by guide shell 32, the air in breather pipe 4 enters guide shell 32, and sewage is in guide shell
32 interior and air contacts, make the oxygen in air be added in sewage.Sewage is set to be flowed into from the top of guide shell 32, lower section is flowed
Go out, sewage is fully contacted with air, realize the balanced oxygen supply to sewage, also, because guide shell 32 can also increase bubble
Path length, improves sewage-treatment plant oxygen-transfer efficiency, improves wastewater treatment efficiency.
The upper end of breather pipe 4 is provided with air blower, and the air outlet of air blower is communicated with the air inlet of breather pipe 4.Air blower
Positioned at the top of sewage surface, in sewage disposal process, outside air is blown into the bottom of oxidation ditch 1 by air blower by breather pipe 4
Portion, increases the amount of the air for entering oxidation ditch 1 bottom, make sewage preferably with air contact, increase the dissolved oxygen amount in sewage, carry
Quality of sewage disposal high.
Embodiment two
The purpose of the present embodiment two is to provide a kind of sewage disposal system, to solve aerator present in prior art
The technical problem of influence wastewater treatment efficiency and influence environment.
The sewage disposal system that the present embodiment two is provided includes the sewage-treatment plant in above-described embodiment one.
When the sewage disposal system provided using embodiment two carries out sewage disposal, sewage enters in settler first
Row precipitation, subsequently into the oxidation ditch 1 in sewage-treatment plant and sequentially passes through anaerobic zone and anoxic zone, submersible type aerator 3
In the bottom run of oxidation ditch 1, the sewage in anoxic zone is set to enter oxygen-rich area, meanwhile, outside air enters oxidation by breather pipe 4
The bottom of ditch 1, when sewage is entered oxygen-rich area by submersible type aerator 3, the oxygen in air is added in sewage, and sewage is done
Further treatment, the water processed through sewage-treatment plant carries out disinfection treatment into chlorination equipment.Submersible type aerator 3 is set
In the bottom of oxidation ditch 1, not with open-air directly contact, when sewage is stirred from anoxic zone into oxygen-rich area, sewage is reduced
With the contact area of outside air, so as to reduce the heat that sewage is outwardly distributed in air, sewage temperature reduction is prevented and shadow
Denitrification effect is rung, meanwhile, submersible type aerator 3 runs in the bottom of oxidation ditch 1, during sewage will not be made to produce the spittle and make sewage
Foul smell is dispersed into air, and effect on environment is small.
Finally it should be noted that:Various embodiments above is only used to illustrate the technical solution of the utility model, rather than it is limited
System;Although being described in detail to the utility model with reference to foregoing embodiments, one of ordinary skill in the art should
Understand:It can still modify to the technical scheme described in foregoing embodiments, or to which part or whole
Technical characteristic carries out equivalent;And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly
The scope of each embodiment technical scheme of type.
Claims (10)
1. a kind of sewage-treatment plant, it is characterised in that including:Oxidation ditch and second pond, the oxidation ditch and the second pond
Communicate, discharge outlet is provided with the oxidation ditch;
The oxidation ditch includes anaerobic zone, anoxic zone and oxygen-rich area, and the anaerobic zone communicates with the anoxic zone, the anoxic zone
Communicated with the oxygen-rich area, submersible type aerator, the submersible type aerator are provided between the anoxic zone and the oxygen-rich area
Positioned at the bottom of the oxidation ditch, it is provided with the submersible type aerator for the logical of the bottom blowing air to the oxidation ditch
Tracheae.
2. sewage-treatment plant according to claim 1, it is characterised in that the oxidation ditch is located at the outer of the second pond
Enclose, the oxidation ditch is structure as a whole with the second pond.
3. sewage-treatment plant according to claim 2, it is characterised in that the first baffle is provided with the oxidation ditch
The oxidation ditch is divided into wall, first choking wall inner ring raceway groove and outer shroud raceway groove for communicating, and the discharge outlet is arranged at institute
State on outer shroud raceway groove, the submersible type aerator is arranged at the bottom of the outer shroud raceway groove.
4. sewage-treatment plant according to claim 3, it is characterised in that the inner ring raceway groove includes anaerobic zone and anoxic
Area, the outer shroud raceway groove includes anoxic zone and oxygen-rich area, lacking in anoxic zone in the inner ring raceway groove and the outer shroud raceway groove
Oxygen area is communicated, and the anoxic zone in the outer shroud raceway groove is separated with the oxygen-rich area by the second choking wall, the submersible type aeration
Machine is arranged on second choking wall.
5. sewage-treatment plant according to claim 4, it is characterised in that the quantity of second choking wall is.
6. sewage-treatment plant according to claim 4, it is characterised in that second choking wall includes two vertical walls
With a horizontal wall, between two vertical walls, the submersible type aerator is arranged at the level to the horizontal wall
On wall;
The submersible type aerator includes water inlet and delivery port, and the water inlet is located at the top of the delivery port.
7. sewage-treatment plant according to claim 6, it is characterised in that the quantity of the submersible type aerator is two
Individual, two submersible type aerators are set up in parallel along the radial direction of the outer shroud raceway groove.
8. sewage-treatment plant according to claim 1, it is characterised in that the submersible type aerator include actuator,
Impeller and guide shell, the actuator are connected with the impeller, and the impeller is located at the inside of the guide shell, the breather pipe
Positioned at the top of the guide shell.
9. sewage-treatment plant according to claim 1, it is characterised in that the upper end of the breather pipe is provided with air blast
Machine, the air outlet of the air blower is communicated with the air inlet of the breather pipe.
10. a kind of sewage disposal system, it is characterised in that including the sewage disposal dress as described in claim any one of 1-9
Put.
Priority Applications (1)
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CN201621297143.4U CN206289047U (en) | 2016-11-29 | 2016-11-29 | Sewage-treatment plant and sewage disposal system |
Applications Claiming Priority (1)
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CN201621297143.4U CN206289047U (en) | 2016-11-29 | 2016-11-29 | Sewage-treatment plant and sewage disposal system |
Publications (1)
Publication Number | Publication Date |
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CN206289047U true CN206289047U (en) | 2017-06-30 |
Family
ID=59096217
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CN201621297143.4U Active CN206289047U (en) | 2016-11-29 | 2016-11-29 | Sewage-treatment plant and sewage disposal system |
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2016
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