CN110078297A - Ecological wastewater treatment system and method - Google Patents
Ecological wastewater treatment system and method Download PDFInfo
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- CN110078297A CN110078297A CN201910262555.6A CN201910262555A CN110078297A CN 110078297 A CN110078297 A CN 110078297A CN 201910262555 A CN201910262555 A CN 201910262555A CN 110078297 A CN110078297 A CN 110078297A
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- 238000004065 wastewater treatment Methods 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims abstract description 18
- 239000010865 sewage Substances 0.000 claims abstract description 68
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 47
- 230000002906 microbiologic effect Effects 0.000 claims abstract description 25
- 238000012545 processing Methods 0.000 claims abstract description 20
- 239000010802 sludge Substances 0.000 claims abstract description 16
- 238000012805 post-processing Methods 0.000 claims abstract description 15
- 239000004576 sand Substances 0.000 claims abstract description 13
- 238000005276 aerator Methods 0.000 claims description 12
- 241000216843 Ursus arctos horribilis Species 0.000 claims description 10
- 230000015556 catabolic process Effects 0.000 claims description 3
- 238000006731 degradation reaction Methods 0.000 claims description 3
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- 238000004064 recycling Methods 0.000 claims description 2
- 239000003344 environmental pollutant Substances 0.000 abstract description 8
- 231100000719 pollutant Toxicity 0.000 abstract description 8
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 abstract description 4
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 abstract 1
- 244000005700 microbiome Species 0.000 description 10
- 230000000694 effects Effects 0.000 description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- 239000004567 concrete Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- MMDJDBSEMBIJBB-UHFFFAOYSA-N [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] Chemical compound [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] MMDJDBSEMBIJBB-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 239000000084 colloidal system Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 description 1
- JVMRPSJZNHXORP-UHFFFAOYSA-N ON=O.ON=O.ON=O.N Chemical compound ON=O.ON=O.ON=O.N JVMRPSJZNHXORP-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 229920000388 Polyphosphate Polymers 0.000 description 1
- 229920000037 Polyproline Polymers 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 239000012982 microporous membrane Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000001205 polyphosphate Substances 0.000 description 1
- 235000011176 polyphosphates Nutrition 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 241001148471 unidentified anaerobic bacterium Species 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
-
- 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
- C02F3/30—Aerobic and anaerobic processes
-
- 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
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
Landscapes
- 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)
- Biological Treatment Of Waste Water (AREA)
Abstract
The present invention provides a kind of ecological wastewater treatment system and method.Ecological wastewater treatment system includes pretreatment system, biochemical treatment tank and post-processing pond；Grid area and sand setting area are disposed in pretreatment system, it is disposed with sludge area and microbiological treatment area upwards from the bottom of biochemical treatment tank, microbiological treatment is provided with Integrated Processing Unit in area, water inlet pipe is arranged between sludge area and microbiological treatment area, and the downstream of biochemical treatment tank is arranged in post-processing pond.By setting pretreatment system, biochemical treatment tank and post-processing pond and Integrated Processing Unit is arranged in ecological wastewater treatment system provided by the invention in biochemical treatment tank, can be effectively by pollutant removals such as COD, ammonia nitrogen, total nitrogens in sewage.In such a way that biological treatment bottom of pond portion is arranged in sludge area and anaerobic zone, it can guarantee entire biochemical treatment area free from extraneous odour, reduce the secondary pollution to environment.
Description
Technical field
The present invention relates to sewage treatment fields, more particularly to a kind of ecological wastewater treatment system and method.
Background technique
Sewage treatment plant is that the sewage for collecting city water inlet pipe network makees use by a series of physical, chemistry, biochemistry
The admissible water quality of environment is managed into, the pollution to natural environment is reduced.Nearly 5,000 built of sewage treatment plant of the whole nation at present,
Mainly use two kinds of sewage water treatment methods.
One is using traditional water treatment technology, i.e., sheet of concrete basin, not only aesthetics is poor, also total in operation
Give out unpleasant peculiar smell.To the living environment band on periphery negative impact.One is buried, sewage treatment plant is arranged
At buried, it is not take up ground resource, the ground on surface has built up park, improved environmental quality.
But the first sewage treatmentmethod needs to build sheet of reinforced concrete building group, and not only aesthetics is poor, also when
Often give off an unpleasant smell.Although second of sewage treatmentmethod solves the problems, such as beautiful and smell, but input cost pole
Height, upgrading is difficult, and operating cost is also very high, does not meet the theory of sustainable development.
Summary of the invention
(1) technical problems to be solved
The object of the present invention is to provide a kind of ecological wastewater treatment system and methods, to solve sewage treatment in the prior art
The problem that mode effect on environment is big, operation expense is high.
(2) technical solution
In order to solve the above technical problem, the present invention provides a kind of ecological wastewater treatment system and methods.At ecological sewage
Reason system includes pretreatment system, biochemical treatment tank and post-processing pond；Grid area is disposed in the pretreatment system
With sand setting area, it is disposed with sludge area and microbiological treatment area, the microorganism upwards from the bottom of the biochemical treatment tank
Integrated Processing Unit is provided in treatment region, water inlet pipe is arranged between the sludge area and the microbiological treatment area, described
The downstream of the biochemical treatment tank is arranged in post-processing pond.
Optionally, the grid area includes the first grid area and the second grid area, first grid area and described second
Grid area is connected to the upstream and downstream in the sand setting area.
Optionally, the microbiological treatment area includes anaerobic zone, anoxic zone and aerobic zone, and the Integrated Processing Unit is in institute
It states in anoxic zone and the aerobic zone.
Optionally, the biochemical treatment tank further includes clear water zone, and the top of the aerobic zone is arranged in the clear water zone.
Optionally, the Integrated Processing Unit includes aerator, bio-carrier and return channel, the aerator and air inlet pipe
Connection is placed in the aerobic zone；The bio-carrier is disposed around the surrounding of the aerator and the return channel and described good
Oxygen area is different from the bio-carrier type in the anoxic zone.
Optionally, the grizzly bar spacing of second grid area is less than the grizzly bar spacing of first grid area.
Optionally, the bottom of the biochemical treatment tank is also equipped with antiseepage film.
Optionally, the water inlet pipe has multiple water outlets, and multiple water outlets are towards the microbiological treatment area.
Optionally, biological floating island is additionally provided on the biochemical treatment tank, plantation has plant on the biological floating island.
The embodiment of the present invention also provides a kind of sewage water treatment method, including such as preceding described in any item ecological sewage treatment systems
System；The sewage water treatment method includes the following steps: S01, sewage is passed through the pretreatment system, sewage is through the grid area
The biochemical treatment tank is flowed into behind the sand setting area；S02, the sewage through the microorganism in the biochemical treatment tank at
The post-processing pond is flowed into after managing the degradation in area；S03, the sewage are handled through the post-processing pond, discharge or recycling.
(3) beneficial effect
Ecological wastewater treatment system provided by the invention passes through setting pretreatment system, biochemical treatment tank and post-processing
Pond, and microbiological treatment area and Integrated Processing Unit are set in biochemical treatment tank, can effectively by sewage organic matter,
The pollutant removals such as ammonia nitrogen.In such a way that biological treatment bottom of pond portion is arranged in sludge area and anaerobic zone, it can guarantee entire
Biochemical treatment area free from extraneous odour, reduces the secondary pollution to environment.Meanwhile by the way that anaerobic zone, anoxic zone, aerobic zone are vertically arranged
The mode of column reduces sewage treatment so that the ecological wastewater treatment system has the advantages that power-equipment is few, is not necessarily to impeller
Cost.In addition, having very water class plant in the plantation of biochemical treatment pool surface, landscape effect is on the one hand increased, on the other hand again
The effect to purify water has been further functioned as, the effect of ecological sewage factory has been really achieved.
Detailed description of the invention
Fig. 1 is the schematic diagram of ecological wastewater treatment system provided in an embodiment of the present invention；
Fig. 2 is the schematic diagram of Integrated Processing Unit provided in an embodiment of the present invention；
Fig. 3 is the flow chart of sewage water treatment method provided in an embodiment of the present invention.
Drawing reference numeral explanation:
1, pretreatment system；11, sand setting area；12, the first grid area；13, the second grid area；2, biochemical treatment tank；21, dirty
Mud area；22, anaerobic zone；23, anoxic zone；24, aerobic zone；25, clear water zone；26, antiseepage film；3, pond is post-processed；4, water inlet pipe；5,
Integrated Processing Unit；51, aerator；52, return channel；6, air inlet pipe.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiments of the present invention will be described in further detail.Following instance
For illustrating the present invention, but it is not intended to limit the scope of the invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
Embodiment one
The embodiment of the present invention one provide a kind of ecological wastewater treatment system, including pretreatment system 1, biochemical treatment tank 2 with
And post-processing pond 3；Grid area and sand setting area 11 are disposed in pretreatment system 1, from the bottom of biochemical treatment tank 2 upwards according to
It is secondary to be provided with sludge area 21 and microbiological treatment area, Integrated Processing Unit 5 is provided in microbiological treatment area, water inlet pipe 4 is arranged
Between sludge area 21 and microbiological treatment area, the downstream of Integrated Processing Unit 5 is arranged in post-processing pond 3.
Ecological wastewater treatment system provided by the invention passes through setting pretreatment system 1, biochemical treatment tank 2 and post-processing
Pond 3, and microbiological treatment area and Integrated Processing Unit 5 are arranged in biochemical treatment tank 2, can effectively will be organic in sewage
The pollutant removals such as object, ammonia nitrogen.It, can in such a way that 2 bottom of biochemical treatment tank is arranged in sludge area 21 and anaerobic zone 22
Guarantee entire 2 free from extraneous odour of biochemical treatment tank, reduces the secondary pollution to environment.Meanwhile by by anaerobic zone 22, anoxic zone
23, the vertically disposed mode in aerobic zone 24 so that the ecological wastewater treatment system have power-equipment it is few, without the excellent of impeller
Point reduces the cost of sewage treatment.
Specifically, the pollutant in sewage exists generally in the form of three kinds: suspend (including floating) state, colloid and dissolution
State.The process object of pretreatment system 1 is mainly suspended matter and partial colloid, and therefore, pretreatment system 1 is played to sewage
The effect being tentatively separated by solid-liquid separation.
Grid area in pretreatment system 1 is preliminary to carry out the pollutants such as rubbish, bulk solid content in sewage
Separation；Sand setting area 11 in pretreatment system 1 leads to collect through the filtered sewage in grid area and by sediment settlement therein
Preliminary pretreatment can be carried out to sewage by crossing setting pretreatment system 1, remove a certain amount of pollutant in sewage.
In the present embodiment, grid area includes the first grid area 12 and the second grid area 13, the first grid area 12 and second
Grid area 13 is connected to the upstream and downstream in sand setting area 11；Further, the grizzly bar spacing of the second grid area 13 is less than
The grizzly bar spacing of one grid area 12.
As shown in Figure 1, the first grid area 12, sand setting area 11 and the second grid area 13 are successively set on pretreatment system 1
Interior, wherein the first grid area 12 is to carry out coarse filtration, the second grid area 13 is to carry out relatively thin filtering, and as a result,
The grizzly bar spacing of two grid areas 13 will be set smaller than the grizzly bar spacing of the first grid area 12.For example, can be by the first grid area 12
Grizzly bar spacing be arranged to 100~200mm；The grizzly bar spacing of second grid area 13 is arranged to 30~50mm.In the present embodiment
In, the first grid area 12 and 13 grid of the second grid area can be planar grille or curved surface grid.
Biochemical treatment tank 2 is the core component of the ecological wastewater treatment system.In the present embodiment, biochemical treatment tank 2 can
To be pond that a depth is 6~8m or so, sewage enters biochemical treatment tank 2 from the bottom of biochemical treatment tank 2 through water inlet pipe 4
It is interior.
Along the bottom upwardly direction from biochemical treatment tank 2, it is disposed with sludge area 21 and microbiological treatment area.Through
The impurity such as the sludge of sewage sedimentation after microbiological treatment area is processed can be deposited in sludge area 21.It intakes in order to prevent water flow
The top in sludge area 21 is arranged in influence to sludge area effect of settling, the water inlet pipe 4 in the present embodiment.That is, sewage be along
Direction from bottom to top flows directly into microbiological treatment area, by the place of the Integrated Processing Unit 5 inside microbiological treatment area
Reason, sewage have tentatively reached the standard that can be discharged or recycle.
In a preferred embodiment, water inlet pipe 4 has multiple water outlets, and multiple water outlets are towards microbiological treatment area.
By the way that multiple water outlets are arranged on water inlet pipe 4, sewage can be equably passed through in microbiological treatment area.
Specifically, the microbiological treatment area in the present embodiment includes anaerobic zone 22, anoxic zone 23, aerobic zone 24.
That is, sewage is along direction from bottom to top followed by anaerobic zone 22, anoxic zone 23, aerobic zone 24.Wherein, anaerobism
The differentiation in area 22, anoxic zone 23 and aerobic zone 24 is that in corresponding region oxygen concentration is distinguished, and does not need additionally to set
Set corresponding partitioned organization.
Sewage is in anaerobic zone 22, and the organic matter in sewage can be decomposed by anaerobic bacteria, metabolism, be digested, so that in sewage
Content of organics be greatly decreased, and generate biogas.Meanwhile polyP bacteria can sufficiently discharge phosphorus under anaerobic environment, for good
Saturated absorption phosphorus in oxygen area is had laid a good foundation.
Sewage is after anaerobic zone 22 is handled, into anoxic zone 23.Building inside anoxic zone 23 has anaerobic environment, this ring
Border is conducive to the growth of anoxic microorganism.Anoxic microorganism can restore the nitrate nitrogen in sewage, further remove total nitrogen.
Sewage is after anoxic zone 23 is handled, into aerobic zone 24.Sewage under the action of microorganism, has in aerobic zone 24
Machine object can be by fully degraded, conversion.Meanwhile ammonia nitrogen is converted into nitrate nitrogen or nitrite nitrogen under the action of nitrifier.Good
PolyP bacteria etc. can be passed through in oxygen area 24 can absorb the microorganism of phosphate radical, to fully absorb the P elements in sewage.
Clear water zone 25 is located at the top of biochemical treatment tank 2, and the sewage after aerobic zone 24 is processed can flow into clear water zone
25 with lower part water body to distinguish.
In the top of clear water zone 25, biological floating island etc. can also be set, it can be with planting plants, with further on chinampa
The absorption to pollutant is improved, the root system of plant can also play the role of purifying water body.Meanwhile plant can also play purification
Air, the effect beautified the environment.
By setting gradually anaerobic zone 22, anoxic zone 23,24 and of aerobic zone from the bottom upwardly direction of biochemical treatment tank 2
Clear water zone 25 can guarantee that sewage can flow from bottom to up, without additional impeller, blender.Thus in this way
Set-up mode can be good at reduce sewage treatment expense.
In order to guarantee efficiently to remove the pollutant in sewage, General Office is additionally provided in anoxic zone 23 and aerobic zone 24
Manage device 5.
In the present embodiment, Integrated Processing Unit 5 include aerator 51, bio-carrier and return channel 52, aerator 51 with
The connection of air inlet pipe 6 is placed in aerobic zone 24；The centre of Integrated Processing Unit is arranged in return channel 52, and bio-carrier is disposed around exposure
The surrounding of gas device 51 and return channel 52 is uniform-distribution with bio-carrier in that is, entire Integrated Processing Unit.
In conjunction with reference Fig. 1 and Fig. 2, aerator 51 is placed in aerobic zone 24, and aerator 51 is to be led to air using air blower
It crosses air inlet pipe 6 to be transported in aerobic zone 24, be blown out in the form of bubble, to meet in aerobic zone 24 microorganism for the need of oxygen
It asks.In the present embodiment, aerator 51 can be microporous membrane aeration tube.
Bio-carrier is attached convenient for microorganism to provide carrying carrier for the microorganism in anoxic zone 23 and aerobic zone 24
, aggregation, improve biological density to improve treatment effeciency.Moreover, aerobic zone is different from the type of the bio-carrier in anoxic zone,
It can satisfy the carrying demand of different microorganisms in this way
Return channel 52 gushes out the water of aerobic zone 24 around into anoxic zone 23, for anoxic zone 23 provide nitrate and
Nitrite.
Further, biochemical treatment tank 2 its actually or an ecological processing pond, wherein not only there is various micro- lifes
Object, there are also protozoan, metazoa, water plants etc., form huge Food web, have provided for sewage purification
Whole artificial ecological system.
In a preferred embodiment, antiseepage film 26 is also equipped in the bottom of biochemical treatment tank 2, antiseepage film 26 can be by
The materials such as polyethylene film for earthwork are made.It can either prevent sewage from permeating the ground in water by the way that antiseepage film 26 is arranged, and save big
The civilwork engineering quantity of amount.
Embodiment two
As shown in figure 3, second embodiment of the present invention provides a kind of sewage water treatment method, it is dirty including the ecology in such as embodiment one
Water treatment system；
Sewage water treatment method includes the following steps:
Sewage is passed through pretreatment system 1 by S01, and sewage flows into biochemical treatment tank 2 behind grid area and sand setting area 11；
S02, sewage flow into post-processing pond 3 after the degradation in the microbiological treatment area in biochemical treatment tank 2；
S03, the post-treated pond 3 of sewage are handled, after up to standard if discharge or recycle.
Sewage water treatment method provided by Embodiment 2 of the present invention, by using the ecological sewage treatment system in embodiment one
System, can well purify sewage, and ensure that the effect of sewage treatment.At simultaneously using this method to sewage
Reason also has the advantages that processing cost is low.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of ecological wastewater treatment system, which is characterized in that including pretreatment system (1), biochemical treatment tank (2) and rear place
It manages pond (3)；
It is disposed with grid area and sand setting area (11) in the pretreatment system (1),
It is disposed with sludge area (21) and microbiological treatment area, micro- life upwards from the bottom of the biochemical treatment tank (2)
It is provided in object treatment region Integrated Processing Unit (5), water inlet pipe (4) is arranged in the sludge area (21) and the microbiological treatment
Between area,
Downstream of post-processing pond (3) setting in the biochemical treatment tank (2).
2. ecological wastewater treatment system according to claim 1, which is characterized in that the grid area includes the first grid area
(12) and the second grid area (13), first grid area (12) and second grid area (13) are connected to the sand setting
The upstream and downstream in area (11).
3. ecological wastewater treatment system according to claim 1, which is characterized in that the microbiological treatment area includes anaerobism
Area (22), anoxic zone (23) and aerobic zone (24), the Integrated Processing Unit (5) is in the anoxic zone (23) and the aerobic zone
(24) in.
4. ecological wastewater treatment system according to claim 3, which is characterized in that the biochemical treatment tank (2) further includes
Clear water zone (25), top of clear water zone (25) setting in the aerobic zone (24).
5. ecological wastewater treatment system according to claim 3, which is characterized in that the Integrated Processing Unit (5) includes
Aerator (51), bio-carrier and return channel (52), the aerator (51) is connected to air inlet pipe (6) is placed in the aerobic zone
(24) in；The bio-carrier is disposed around the surrounding of the aerator (51) and the return channel (52) and the aerobic zone and institute
The bio-carrier type stated in anoxic zone is different.
6. ecological wastewater treatment system according to claim 2, which is characterized in that the grizzly bar of second grid area (13)
Spacing is less than the grizzly bar spacing of first grid area (12).
7. ecological wastewater treatment system according to claim 1, which is characterized in that the bottom of the biochemical treatment tank (2)
Also it is equipped with antiseepage film (26).
8. ecological wastewater treatment system according to claim 1, which is characterized in that the water inlet pipe (4) have it is multiple go out
The mouth of a river, multiple water outlets are towards the microbiological treatment area.
9. ecological wastewater treatment system according to claim 1 to 8, which is characterized in that in the biochemical treatment
Biological floating island is additionally provided on pond (2), plantation has plant on the biological floating island.
10. a kind of sewage water treatment method, which is characterized in that at ecological sewage as claimed in any one of claims 1-9 wherein
Reason system；The sewage water treatment method includes the following steps:
Sewage is passed through the pretreatment system (1) by S01, and sewage flows into institute behind the grid area and the sand setting area (11)
State biochemical treatment tank (2)；
S02, the sewage flow into the post-processing after the degradation in the microbiological treatment area in the biochemical treatment tank (2)
Pond (3)；
S03, the sewage are handled through the post-processing pond (3), discharge or recycling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910262555.6A CN110078297A (en) | 2019-04-02 | 2019-04-02 | Ecological wastewater treatment system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910262555.6A CN110078297A (en) | 2019-04-02 | 2019-04-02 | Ecological wastewater treatment system and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110078297A true CN110078297A (en) | 2019-08-02 |
Family
ID=67414135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910262555.6A Pending CN110078297A (en) | 2019-04-02 | 2019-04-02 | Ecological wastewater treatment system and method |
Country Status (1)
| Country | Link |
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| CN (1) | CN110078297A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008155080A (en) * | 2006-12-21 | 2008-07-10 | Hitachi Ltd | Sewage treatment apparatus and its method |
| CN201932989U (en) * | 2011-01-28 | 2011-08-17 | 北京艾威普斯环保科技有限公司 | Biochemistry combined reactor for sewage treatment |
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| CN105692876A (en) * | 2016-04-05 | 2016-06-22 | 美华环境工程（上海）有限公司 | Buried ecological sewage treatment system and method using gravel as medium |
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