CN106430581A - Aeration type downward-flow constructed wetland wastewater treatment system - Google Patents
Aeration type downward-flow constructed wetland wastewater treatment system Download PDFInfo
- Publication number
- CN106430581A CN106430581A CN201610895478.4A CN201610895478A CN106430581A CN 106430581 A CN106430581 A CN 106430581A CN 201610895478 A CN201610895478 A CN 201610895478A CN 106430581 A CN106430581 A CN 106430581A
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- Prior art keywords
- aeration
- pipe
- hypothalluses
- substrate
- constructed wetland
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- C02F3/30—Aerobic and anaerobic processes
- C02F3/302—Nitrification and denitrification treatment
-
- 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
- C02F3/302—Nitrification and denitrification treatment
- C02F3/307—Nitrification and denitrification treatment characterised by direct conversion of nitrite to molecular nitrogen, e.g. by using the Anammox process
-
- 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
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
-
- 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
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
- C02F2101/163—Nitrates
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
- C02F2203/006—Apparatus and plants for the biological treatment of water, waste water or sewage details of construction, e.g. specially adapted seals, modules, connections
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- Life Sciences & Earth Sciences (AREA)
- Microbiology (AREA)
- Biodiversity & Conservation Biology (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 invention belongs to the field of wastewater treatment and discloses an aeration type downward-flow constructed wetland wastewater treatment system. The aeration type downward-flow constructed wetland wastewater treatment system comprises a constructed wetland pool, a water inlet pipe, a drain pipe, an aeration device and wetland plants, wherein the particle sizes of substrates in the constructed wetland pool are reduced sequentially from top to bottom, the aeration device is arranged at the middle-upper part of the constructed wetland pool, aeration branch pipes of the aeration device are sleeved with rubber casings, and branch pipe air holes are staggered with rubber casing air holes without overlapping. With adoption of the system, the dissolved oxygen content of inflow water is increased, metabolism of microbes in a water inflow area is promoted, the condition of high probability of blockage in the water inflow area is improved, an aerobic-anoxic-anaerobic environment is formed from top to bottom sequentially in the constructed wetland system, the nitrogen and phosphorus removal effect is improved, and the system has the characteristics of being simple in overall structure, easy to operate and the like.
Description
Technical field
The invention belongs to sewage treatment area, more particularly, under a kind of aeration-type to artificial wetland sewage disposal
System.
Background technology
Artificial swamp is by the ground manually built with to control operation similar with marshland, and sewage, mud are had control
Dosing to through, on the artificial wetland built, sewage and mud, during flowing in a certain direction, mainly utilize soil, people
Work medium, plant, the physics of microorganism, chemistry, biological triple synergism, a kind of technology that sewage, mud are processed.
Its mechanism of action includes absorption, delay, filtration, oxidoreduction, precipitation, microbial decomposition, conversion, plant is covered, residue amasss
Tired, water transpiration and the effect of Nutrient Absorption and all kinds of animal.It is the ecosystem of a synthesis, and it is applied in ecosystem
Intergrowth of species, material principle of recycling and regeneration, structure and orthofunction principle, before promoting Pollutants in Wastewater matter eucyclic
Put, give full play to the productive potentialities of resource, prevent the recontamination of environment, obtain the optimum efficiency of sewage disposal and resource.
Artificial swamp has the characteristics that small investment, energy consumption be low, process is simple and be used widely, it mainly passes through base
The collective effect of the absorption retention, microorganism and plant of matter removes pollutant.But its presence easily blocks, floor space is big, purification
Shortcoming limited in one's ability, wet land system anoxia is to result in blockage and the limited one of the main reasons of detergent power.Under anaerobic environment
Enter Organic substance in water cannot fully degrade, cause organic matter accumulation, simultaneously under anaerobic environment microorganism extracellular polymeric
Can accelerate to accumulate, lead to Wetland clogging, simultaneously current vertical current constructed wetland whole system is mostly in anaerobic environment, nitre
Change reaction to be suppressed, lead to the clearance of ammonia nitrogen to reduce, and the mode of bottom aeration can penetrate whole system due to gas, and
System anaerobic zone can be made too small, lead to anti-nitration reaction to be suppressed, the clearance of total nitrogen can reduce；And solarization air cap by
In do not take clogging-preventing measures or clogging-preventing measures unreasonable so that solarization air cap be easy to block.
Content of the invention
Disadvantages described above for prior art or Improvement requirement, the invention provides to artificial wetland under a kind of aeration-type
Sewage disposal system, by the structure of aerator and the setting of position, thus in solution sewage disposal, denitrification ability is low and exposes
The susceptible to plugging technical problem of pore.
For achieving the above object, according to one aspect of the present invention, there is provided dirty to artificial wetland under a kind of aeration-type
Water treatment system, this sewage disposal system include water inlet pipe, artificial swamp pond, aerator and outlet pipe it is characterised in that：
Described artificial swamp pond is in rectangular-shaped, and end is provided with described water inlet pipe, under described artificial swamp pond thereon
End and described water inlet pipe diagonal angle are provided with outlet pipe, and wherein, described artificial swamp pond is divided into the first substrate from top to bottom
Layer, the second hypothalluses and the 3rd hypothalluses, the top kind of described first hypothalluses is implanted with wetland plant；
Described aerator is arranged on the middle and upper part in described artificial swamp pond, and this aerator includes air compressor machine, aeration master
Pipe and aeration branch pipe, described aeration is responsible for one end and is connected with described air compressor machine by aerating regulation valve, and the other end is in parallel with many
Aeration branch pipe be connected, described aeration branch pipe is provided with multiple arm pores, this aeration branch pipe is cased with gum sleeve, and
Multiple sleeve pipe pores are also equipped with this gum sleeve, described sleeve pipe pore and described arm pore interlock misaligned, this sleeve pipe
Pore is used for intercepting the external substance described arm pore of blocking.
Preferably, described first hypothalluses preferably employ gravel as substrate, and this substrate layer height is 30cm～40cm, base
Plasmid footpath 1cm～3cm, and reduce successively from top to bottom in substrate particle diameter described in this hypothallus.
Preferably, described second hypothalluses preferably employ zeolite and cinder mixture as substrate, and this substrate layer height is
35cm～50cm, substrate particle diameter 8mm～10mm, and reduce successively from top to bottom in substrate particle diameter described in this hypothallus.
Preferably, described 3rd hypothalluses preferably employ sandstone as substrate, and this substrate layer height is 20cm～35cm, sand
Stone particle diameter 3mm～8mm, and reduce successively from top to bottom in gravel size described in this hypothallus.
Preferably, the medial surface in described artificial swamp pond is provided with impervious barrier, for stoping the material in artificial swamp
Outflow polluted underground water.
Preferably, aerator 3 is located in the second hypothalluses (22), and distance second hypothalluses (22) top 50mm～
At 200mm；Described aeration supervisor and aeration branch pipe all preferably employ polyvinylchloride pipe.
In general, by the contemplated above technical scheme of the present invention compared with prior art, can obtain down and show
Beneficial effect：
1st, the artificial marsh sewage treatment system overall structure of the present invention, simply it is easy to operation, is wherein passed through to increase aeration
Device is coordinated the oxygen supplement it is achieved that whole system with the lower of system to stream setting, and from top to bottom oxygen gradually decreases,
Different dominant bacterias are all played a role, and enhance the detergent power of system；
2nd, the present invention is by arranging aerator so that wetland top layer is in aerobic shape in the middle and upper part of artificial wet land system
State, strengthens the degraded to Organic substance of nitration reaction and microorganism, effectively prevents from blocking, enables to whole system by upper simultaneously
To under sequentially form aerobic, anoxia and anaerobic environment so that the nitration reaction of aerobic zone and the anti-nitration reaction of anaerobic zone all obtain
Fully carry out, improve the denitrification ability of system；
3rd, the present invention passes through to increase gum sleeve with holes on aeration branch pipe, and sleeve pipe pore is staggered with arm pore and do not weigh
Close so that gas makes gum sleeve expand from the outflow of sleeve pipe pore, not rubber during aeration by the pressure of arm pore in aeration
Gum cover pipe can closely be attached on arm, arm stomatal limiting value is sealed, prevents exogenous impurity from aeration branch pipe pore is blocked up
Plug；
4th, the present invention is by arranging the hypothalluses that are gradually reduced of three layers of particle diameter in artificial swamp, and made using different materials
For substrate, realize the successively filtration retention of the impurity of variable grain size and different pollutant component in treatment sewage, and lead to
Cross the effect of microorganism, thus completing the abundant process to treatment sewage.
Brief description
Fig. 1 is the structural representation according to the artificial marsh sewage treatment system constructed by the preferred embodiments of the present invention；
Fig. 2 is according to the aerator structural representation constructed by the preferred embodiments of the present invention；
Fig. 3 is the top view and A-A profile according to the aeration branch pipe constructed by the preferred embodiments of the present invention.
In all of the figs, identical reference is used for representing identical element or structure, wherein：
1- water inlet pipe 2- artificial swamp pond 3- aerator 4- wetland plant 5- outlet pipe 21- the 3rd hypothalluses 22-
Second hypothalluses 23- the first hypothalluses 24- impervious barrier 25- inlet channel 31- air compressor machine 32- aeration supervisor's 33- aeration props up
Pipe 34- gum sleeve 35- sleeve pipe pore 36- arm pore 37- aerating regulation valve
Specific embodiment
In order that the objects, technical solutions and advantages of the present invention become more apparent, below in conjunction with drawings and Examples, right
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only in order to explain the present invention, and
It is not used in the restriction present invention.As long as additionally, involved technical characteristic in each embodiment of invention described below
The conflict of not constituting each other just can be mutually combined.
Fig. 1 is the structural representation according to the artificial marsh sewage treatment system constructed by the preferred embodiments of the present invention.
As shown in figure 1, to artificial wetland sewage disposal system under a kind of aeration-type, including water inlet pipe 1, artificial swamp pond 2, aeration dress
Put 3 and wetland plant 4, drain pipe 5, in artificial swamp pond be successively from down to up the first hypothalluses 21, the second hypothalluses 22,
One hypothalluses 23, packing material size is ascending, is respectively provided with impervious barrier 24 with the bottom of pond, inhalant region is provided with inlet channel around cell body
25.
According to a preferred embodiment of the present invention, the substrate of the 3rd hypothalluses 21 selects sandstone, particle diameter 3mm～8mm, height
Spend for 20cm～35cm, particle diameter increases from down to up successively；Second hypothalluses 22 press 1 from by zeolite and cinder:1 ratio mixing
As substrate, substrate particle diameter 8mm～10mm, highly for 35cm～50cm, particle diameter increases from down to up successively；First substrate layer choosing
With gravel as substrate, particle diameter 1cm～3cm, highly for 30cm～40cm, particle diameter increases from down to up successively.
Fig. 2 is according to the aerator structural representation constructed by the preferred embodiments of the present invention, and Fig. 3 is according to the present invention
The top view of the aeration branch pipe constructed by preferred embodiment and A-A profile.As shown in Figures 2 and 3, aerator 3 is by pneumatics
Machine 31, aeration supervisor 32 and aeration branch pipe 33 form, and aeration branch pipe 33 is connected in parallel on aeration supervisor 32；Aerator 3 is located at the
In two hypothalluses 22, at distance the second hypothalluses 22 top 50-200mm；Aeration supervisor 32 and aeration branch pipe 33 are all using PVC
Pipe, rubber sleeve pipe 34 in spacing 400-600mm between aeration branch pipe 33, and aeration branch pipe 33, gum sleeve 34 internal diameter and exposure
Gas branch pipe external diameter is consistent, and sleeve pipe pore 35 aperture and arm pore 36 aperture are 2mm, and pitch-row is 400-600mm；Aeration master
Aerating regulation valve 37 is provided with pipe 32, conveniently controls aeration rate and aeration time；Sleeve pipe pore 35 and arm pore 36 interlock
Misaligned, when aeration, gas makes gum sleeve 34 expand by the pressure of arm pore 36, then flows from sleeve pipe pore 35
Go out, not during aeration, gum sleeve 34 can closely be attached on aeration branch pipe 33, sealing is formed to arm pore 36, prevent from exposing
Air-hole blockage.
Below the work process of this artificial marsh sewage treatment system is illustrated：
During operation, sewage flows into through water inlet pipe 1 and inlet channel 25 water distribution, is flowed into artificial swamp pond 2, aeration from top to bottom
Device 3 top substrate obtains the oxygen supply of aeration and wetland plant 4 root and forms aerobic zone, and aerobic microbiological has made full use of
Machine thing carries out metabolism and carries out nitration reaction, and the abundant consumption of Organic substance can reduce the blocking of wet land system；
Then sewage enters lower part anoxia anaerobic zone, and anaerobe carries out denitrification using a large amount of nitrate that above-mentioned reaction produces
Reaction, the nitrogen transformation of nitrate state is reached the purpose of removal for nitrogen；Flow out system with the sewage after after-purification through drain pipe 5
System.
As it will be easily appreciated by one skilled in the art that the foregoing is only presently preferred embodiments of the present invention, not in order to
Limit the present invention, all any modification, equivalent and improvement made within the spirit and principles in the present invention etc., all should comprise
Within protection scope of the present invention.
Claims (6)
1., to artificial wetland sewage disposal system under a kind of aeration-type, this sewage disposal system includes water inlet pipe (1), Manual moist
Ground pond (2), aerator (3) and outlet pipe (5) it is characterised in that：
Described artificial swamp pond (2) is in rectangular-shaped, and end is provided with described water inlet pipe (1), in described artificial swamp pond thereon
Lower end and described water inlet pipe diagonal angle are provided with outlet pipe (5), and wherein, described artificial swamp pond is divided into first from top to bottom
Hypothalluses (23), the second hypothalluses (22) and the 3rd hypothalluses (21), the top kind of described first hypothalluses is implanted with wetland plant
(4)；
Described aerator is arranged on the middle and upper part in described artificial swamp pond, and this aerator includes air compressor machine (31), aeration master
Pipe (32) and aeration branch pipe (33), described aeration supervisor (32) one end is connected with described air compressor machine by aerating regulation valve (37),
The other end aeration branch pipe (33) in parallel with many is connected, and described aeration branch pipe is provided with multiple arm pores (36), at this
Gum sleeve (34) is cased with aeration branch pipe, and multiple sleeve pipe pores (35), described sleeve pipe gas are also equipped with this gum sleeve
Hole and described arm pore interlock misaligned, and this sleeve pipe pore is used for preventing pollutant from blocking described arm pore.
2. sewage disposal system as claimed in claim 1 is it is characterised in that described first hypothalluses (23) preferably employ gravel
As substrate, this substrate layer height be 30cm～40cm, substrate particle diameter 1cm～3cm, and substrate particle diameter described in this hypothallus from
Top to bottm reduce successively.
3. sewage disposal system as claimed in claim 1 or 2 is it is characterised in that described second hypothalluses (22) preferably employ
, as substrate, this substrate layer height is 35cm～50cm, substrate particle diameter 8mm～10mm for zeolite and cinder mixture, and in this base
Matter layer described substrate particle diameter reduces from top to bottom successively.
4. the sewage disposal system as described in any one of claim 1-3 is it is characterised in that described 3rd hypothalluses (21) are preferred
Using sandstone as substrate, this substrate layer height is 20cm～35cm, gravel size 3mm～8mm, and in sand described in this hypothallus
Stone particle diameter reduces from top to bottom successively.
5. the sewage disposal system as described in any one of claim 1-4 is it is characterised in that the medial surface in described artificial swamp pond
It is provided with impervious barrier (24), for stoping the material outflow polluted underground water in artificial swamp.
6. the sewage disposal system as described in any one of claim 1-5 is it is characterised in that aerator 3 is located at the second substrate
In layer (22), at distance second hypothalluses (22) top 50mm～200mm；Described aeration supervisor and aeration branch pipe all preferably employ
Polyvinylchloride pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610895478.4A CN106430581A (en) | 2016-10-13 | 2016-10-13 | Aeration type downward-flow constructed wetland wastewater treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610895478.4A CN106430581A (en) | 2016-10-13 | 2016-10-13 | Aeration type downward-flow constructed wetland wastewater treatment system |
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| Publication Number | Publication Date |
|---|---|
| CN106430581A true CN106430581A (en) | 2017-02-22 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610895478.4A Pending CN106430581A (en) | 2016-10-13 | 2016-10-13 | Aeration type downward-flow constructed wetland wastewater treatment system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108249582A (en) * | 2018-03-27 | 2018-07-06 | 宁波伊玛水环境科技有限公司 | Urban comprehensive wastewater processing system |
| CN109867403A (en) * | 2017-12-01 | 2019-06-11 | 中国水利水电科学研究院 | A kind of processing unit and sewage water treatment method of dispersing type sewage |
| CN111875192A (en) * | 2020-09-02 | 2020-11-03 | 浙江问源环保科技股份有限公司 | Double-channel water inlet composite circulating flow constructed wetland and operation method thereof |
| CN113087152A (en) * | 2021-05-19 | 2021-07-09 | 中国科学院生态环境研究中心 | Multifunctional three-dimensional constructed wetland heat preservation structure |
| CN113620444A (en) * | 2021-08-09 | 2021-11-09 | 安徽普氏环保装备有限公司 | Anti-blocking self-reducing single-pore membrane aerator |
| CN114314848A (en) * | 2021-12-22 | 2022-04-12 | 中科鼎实环境工程有限公司 | Constructed wetland system |
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| CN104085995A (en) * | 2014-08-01 | 2014-10-08 | 谢众 | Constructed wetland system with heat insulating effect |
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| CN206266315U (en) * | 2016-10-13 | 2017-06-20 | 华中科技大学 | To artificial wetland sewage disposal system under a kind of aeration-type |
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| CN101781060A (en) * | 2010-03-02 | 2010-07-21 | 河北农业大学 | Composite artificial wetland sewage treatment system |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109867403A (en) * | 2017-12-01 | 2019-06-11 | 中国水利水电科学研究院 | A kind of processing unit and sewage water treatment method of dispersing type sewage |
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| CN108249582A (en) * | 2018-03-27 | 2018-07-06 | 宁波伊玛水环境科技有限公司 | Urban comprehensive wastewater processing system |
| CN108249582B (en) * | 2018-03-27 | 2023-12-01 | 宁波伊玛环境科技股份有限公司 | Urban comprehensive sewage treatment system |
| CN111875192A (en) * | 2020-09-02 | 2020-11-03 | 浙江问源环保科技股份有限公司 | Double-channel water inlet composite circulating flow constructed wetland and operation method thereof |
| CN113087152A (en) * | 2021-05-19 | 2021-07-09 | 中国科学院生态环境研究中心 | Multifunctional three-dimensional constructed wetland heat preservation structure |
| CN113620444A (en) * | 2021-08-09 | 2021-11-09 | 安徽普氏环保装备有限公司 | Anti-blocking self-reducing single-pore membrane aerator |
| CN114314848A (en) * | 2021-12-22 | 2022-04-12 | 中科鼎实环境工程有限公司 | Constructed wetland system |
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Application publication date: 20170222 |
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