CN106745777A - A kind of artificial wet land system for sewage treatment plant tail water advanced treating - Google Patents
A kind of artificial wet land system for sewage treatment plant tail water advanced treating Download PDFInfo
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- CN106745777A CN106745777A CN201710017028.XA CN201710017028A CN106745777A CN 106745777 A CN106745777 A CN 106745777A CN 201710017028 A CN201710017028 A CN 201710017028A CN 106745777 A CN106745777 A CN 106745777A
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- water
- ecological pool
- plant
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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
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
- C02F3/327—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae characterised by animals and plants
-
- 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
-
- 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
- C02F3/28—Anaerobic digestion 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
- C02F3/30—Aerobic and anaerobic processes
- C02F3/308—Biological phosphorus removal
-
- 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
- C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
- C02F2203/008—Mobile apparatus and plants, e.g. mounted on a vehicle
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/22—O2
Abstract
A kind of artificial wet land system for sewage treatment plant tail water advanced treating, it is intended to overcome artificial marsh sewage treatment system treatment effeciency of the prior art low, the carbon source of sewage treatment plant tail water is not enough, cause the shortcoming that nitric efficiency is low, a kind of artificial wet land system is provided, also include the ecological cell system pre-processed to sewage, ecological cell system includes distributing channel, ecological pool and braiding channel, microbe carrier stuffing mounting bracket is provided with ecological pool pond body, microbe carrier stuffing is fixedly mounted in microbe carrier stuffing mounting bracket, the water surface of ecological pool is provided with plant floating bed, plant floating bed interior kind has emergent aquactic plant one, the water side of distributing channel is connected with the water inlet end of ecological pool, the water side of ecological pool is connected with the water inlet end of braiding channel, the water side of braiding channel is connected with the water inlet end of upper strata perforation sparge pipe.This practicality newly improve to the organic matter in sewage, nitrogen, phosphorus treatment effeciency, be adapted to treatment sewage when use.
Description
Technical field
The present invention relates to advanced treatment of wastewater field, more particularly to a kind of people for sewage treatment plant tail water advanced treating
Work wet land system.
Background technology
The form of export of China's municipal wastewater treatment plant tail water up to standard is mainly concentration discharge, and using the self-purification capacity pair in river
Pollutant in tail water is further degraded, to meet the water environmental function target of receiving water body.But with urbanization process
Accelerate so that most tail water produced by municipal sewage treatment plant is received river and gradually loses water environmental function.To reach discharge mark higher
Standard, due to design reasons, original processing unit cannot meet existing requirement, and upgrading is due to place in field for many water factories
With the limitation of former technique, it is difficult to carry out upgrading, therefore increasing sewage treatment plant tail water depth in tale quale
Science and engineering journey has carried out planning construction.Due to using maturation process municipal sewage plant, its organic matter removal ability is stronger, goes out more
COD, BOD concentration are low in water, and relative surface water environment quality, its water outlet nitrogen, phosphorus concentration it is higher, as in advanced treating
Emphasis.
The technology that existing artificial swamp is used in terms of sewage treatment plant tail water advanced treating is more from wetland structure, leads to
The combination of different type wetland is crossed, contaminant removal efficiency is improved, but still there is artificial marsh sewage treatment system treatment effect
Rate is low, and the carbon source of sewage treatment plant tail water is not enough, causes the low problem of nitric efficiency.
The content of the invention
Low, the sewage treatment plant tail water instant invention overcomes artificial marsh sewage treatment system treatment effeciency of the prior art
Carbon source it is not enough, cause the shortcoming that nitric efficiency is low, there is provided a kind of Manual moist for sewage treatment plant tail water advanced treating
Ground system.
The present invention realizes that the technical scheme that goal of the invention is used is：A kind of people for sewage treatment plant tail water advanced treating
Work wet land system, including artificial wet land system, also including the ecological cell system pre-processed to sewage, described ecological pool system
System includes distributing channel, ecological pool and braiding channel, and microbe carrier stuffing mounting bracket, microbe carrier are provided with ecological pool pond body
Filler is fixedly mounted in microbe carrier stuffing mounting bracket, and the water surface of ecological pool is provided with plant floating bed, plant floating bed interior kind
There is emergent aquactic plant one, the water side of distributing channel is connected with the water inlet end of ecological pool, the water side of ecological pool and the water inlet of braiding channel
End connection, in the pond of artificial swamp in from bottom of pond to pond face be sequentially provided with lower floor catchment perforated pipe, rubble supporting layer, pollutant adsorb
Layer, sand filter blanket, upper strata perforation sparge pipe and emergent aquactic plant two, water side and the water inlet end of upper strata perforation sparge pipe of braiding channel connect
Connect, lower floor perforated pipe one end of catchmenting is provided with delivery port.
Further, described microbe carrier stuffing is non-woven fabrics.
Further, deflected current wall is provided with described ecological pool, ecological pool is separated into the pond body of plural serial stage by deflected current wall
Structure.
Further, it is described plant floating bed to be made up of one group of elemental floating body splicing.
The beneficial effects of the invention are as follows：Compared with Traditional Man wet land system, the present invention passes through ecological pool and artificial swamp
Being applied in combination for system, substantially increases sewage denitrification and dephosphorization efficiency, and nitrogen removal rate can reach more than 50%, total tp removal rate
Up to more than 60%, and the volume loading rate of artificial swamp can be improved to 1.5m3/m2D, greatly reduces the occupation of land of artificial swamp
Area.
Through distributing channel even into ecological pool, ecological pool water inlet uses the deflector type type of flow to sewage of the invention, through many
Level baffling, with ecological pool in microbe carrier stuffing be fully contacted, water inlet front end and end due to the difference of pollutant concentration,
Different microorganism structures can be formed, the removal to pollutant is more targeted, improves the functioning efficiency of microorganism.Meanwhile,
On the one hand the plant floating bed root system of plant of the ecological pool water surface improves contaminant removal efficiency to water body growth inside, another
Aspect, the regular dispensing of plant after the dry branches and fallen leaves of plant and harvesting is that ecological pool supplements carbon source, it is ensured that denitrification is made
It is smoothed out, part nitrate nitrogen is converted into nitrogen, realizes advanced nitrogen.The present invention is without power-equipments, carbon such as aerations
Source uses wetland plant, greatly reduces operating cost, while reducing the expense of wetland plant outward transport disposal.
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings.
Brief description of the drawings
Fig. 1 is structural representation of the invention.
In accompanying drawing, 1 it is distributing channel, 2 is ecological pool, 3 is that microbe carrier stuffing mounting bracket, 4 are filled out for microbe carrier
Material, 5 be deflected current wall, 6 for it is plant floating bed, 7 be that emergent aquactic plant one, 8 is braiding channel, 9 is that artificial wet land system, 10 are catchmented for lower floor
Perforated pipe, 11 be rubble supporting layer, 12 be pollutant adsorption layer, 13 be sand filter blanket, 14 be emergent aquactic plant two, 15 be upper strata perforation
Sparge pipe.
Specific embodiment
As shown in Figure 1, a kind of artificial wet land system for sewage treatment plant tail water advanced treating of the present embodiment, bag
Include artificial wet land system 9, the also ecological cell system including being pre-processed to sewage.Described ecological cell system includes distributing channel
1st, ecological pool 2 and braiding channel 8.The pond body of ecological pool 2 uses reinforced concrete structure, and pond body is square, is at least divided into two lattice of parallel connection,
Per compartment Hu Bu UNICOMs, convenient maintenance.Microbe carrier stuffing mounting bracket 3 is provided with the pond body of ecological pool 2, microbe carrier is filled out
Material 4 is fixedly mounted in microbe carrier stuffing mounting bracket 3, and the surface of microbe carrier stuffing 4 forms biomembrane, on biomembrane
The main denitrifying bacteria for being grown in being grown under anaerobism and anoxia condition, for denitrification denitrogenation effect provides necessary condition.This reality
The preferred microbe carrier stuffing 4 of example is applied for non-woven fabrics, thickness about 2mm, width can be pacified according to the pond body size adjusting of ecological pool 2
Dress height is no more than 3 meters, and clipping room away from no more than 1 meter, meet to inflow direction, microorganism by the filler face of microbe carrier stuffing 4
The rough surface of carrier filler 4, is conducive to microorganism and zooplankter apposition growth, and surface can form Tiny ecosystem structure, favorably
In the removal of pollutant.It is fully contacted with microbe carrier stuffing 4 for the ease of sewage, in the preferred ecological pool 2 of the present embodiment
It is provided with deflected current wall 5.Deflected current wall 5 is fixed on the lower section of ecological pool 2, the wall of deflected current wall 5 height it is high with below go out water level, deflected current wall
5 walls lower section is provided with opening, it is ensured that current are passed through.Ecological pool 2 is separated into the pond body structure of plural serial stage by deflected current wall 5, flows into
The sewage of ecological pool 2 forms the current of upper and lower baffling in the presence of deflected current wall 5, it is ensured that sewage and microbe carrier stuffing 4
It is fully contacted.The water surface of ecological pool 2 is provided with plant floating bed 6.The present embodiment preferred plant floating bed 6 is spliced by one group of elemental floating body
Composition.Single elemental floating body area about 3~5m2Left and right, by protecting steel plate and middle foam floating body to constitute up and down, gross thickness about 10
~15cm.While ensureing to have certain buoyancy, improve mechanical strength.It is connected using flexibility between single elemental floating body,
Because the SEA LEVEL VARIATION of ecological pool 2 is small, substantially without stormy waves.Plant floating bed 6 reserve planting holes, and empty size is：Diameter 8~
12cm, 30~50cm of spacing.Being planted in plant floating bed 6 has emergent aquactic plant 1, and emergent aquactic plant 1 includes canna, cyperus alternifolius, richness
Your bamboo etc. can hydroponics growing herbaceos perennial, root system of plant grows downwards, gos deep into pool inner water body.In Radial Oxygen Loss from Root effect
Under, root system surface forms aerobic biologic membrane, and nitrification occurs, and reaches the effect of removal ammonia nitrogen.The growth of plant can be from sewage
The nutriments such as middle absorption organic matter, nitrogen, phosphorus, play a part of pollutant removal.The dry branches and fallen leaves that growing process drops
And root system, carbon source being provided to water body, also can periodically be gathered in by plant, plant is periodically added to pool inner water body, form stabilization
Carbon source, so as to ensure being smoothed out for denitrification, nitrogen is converted into by part nitrate nitrogen, realizes advanced nitrogen.
The water side of distributing channel 1 is connected with the water inlet end of ecological pool 2, the water side of ecological pool 2 and the water inlet end of braiding channel 8
Connection.
Described artificial swamp is downward vertical artificial wetland.It is sequentially provided with from bottom of pond to pond face in the pond of artificial swamp
Lower floor catchments perforated pipe 10, rubble supporting layer 11, pollutant adsorption layer 12, sand filter blanket 13, upper strata perforation sparge pipe 15 and very water
Plant 2 14.The gross thickness of the packing layer that sand filter blanket 13, pollutant adsorption layer 12 and rubble supporting layer 11 are formed for 1.2m~
1.5m.Described lower floor catchments perforated pipe 10 for UPVC drainpipes, and caliber is not less than DN350, and open pore size is 10-15mm,
Away from 20cm, perforate direction for conduit section 1 thirty direction and 10 thirty direction, and staggeredly perforate.Rubble supporting layer 11 is main
Material is that particle diameter is the rubble of 20-40mm, and thickness is 20-40mm, primarily serves support upper strata filler, and protection lower floor catchments perforation
Pipe 10, prevents upper strata from blocking the effect that pipeline collects hole compared with flour filler.The main material of pollutant adsorption layer 12 be specific surface area compared with
It is big it is broken after haydite, depth of packing is 60~80cm, and haydite process addition calcium, magnesium, aluminium, iron etc. have stronger N, P
The metallic element of adsorption capacity, is greatly improved adsorption efficiency of the system to N, P, and its particle diameter is 10-15mm, on the other hand, N, P
Adsorption layer is plant fibrous root grown layer, and the absorption of root system can also improve the removal efficiency of system organic matter and N, P.
The main material of sand filter blanket 13 is coarse sand, and particle diameter 0-5mm, depth of packing is 40~50cm, and clay content should be less than 10%.
Sand filter blanket 13 primarily serves interception, filtration, particulate matter or the biomembrane for coming off in the removal water outlet of ecological pool 2 or drops
Plant residue etc..Upper strata perforation sparge pipe 15 is UPVC drainpipes, and caliber is no more than DN100, and open pore size is 3~5mm, spacing
20cm, perforate direction for conduit section 1 thirty direction and 10 thirty direction, and staggeredly perforate.Upper strata perforation sparge pipe 15 is every
Segment pipe length is advisable with less than 3m, spacing 1.2m~2m between pipeline, and upper strata perforation sparge pipe 15 is filled out installed in sand filter blanket 13
Material top, and ensure that apopore is not blocked by coarse sand.The described prioritizing selection of emergent aquactic plant 2 14 is adapted to project location weather
The eciophyte of condition, mainly including canna, cyperus alternifolius, iris, thaliadeabata, reed, floral leaf Lu Di, Hymenocallis americana etc. two kinds with
On herbaceos perennial.
The water inlet end of the water side of braiding channel 8 and upper strata perforation sparge pipe 15 is connected, and lower floor one end of perforated pipe 10 of catchmenting sets
Have delivery port, the sewage after treatment along lower floor catchment perforated pipe 10 water side discharge.
When actually used, comprise the following steps：
(1), sewage through distributing channel 1 to the uniform water distribution of ecological pool 2；
(2), sewage enters ecological pool 2 through step (1) uniform water distribution, and ecological pool 2 maintains anoxic or anaerobic state, dissolved oxygen
Concentration is no more than 2mg/L, is conducive to the carrying out of denitrification；
(3) microorganism in ecological pool 2, the synergy of plant, enter to pollutants such as the organic matter in sewage, nitrogen, phosphorus
Row treatment；
(4) sewage after, being processed through step (3) enters braiding channel 8；
(5) sewage enters artificial wet land system through braiding channel 8, by packing layer in artificial swamp, microorganism, plant
Synergy is further processed pollutants such as the organic matter in sewage, nitrogen, phosphorus, finally, is catchmented perforated pipe by the lower floor of bottom
Discharged after 10 collections.
The present embodiment realizes denitrification denitrogenation using the Ecology Action of pretreatment system, by the structure of artificial wet land system
With the optimization of filler, dephosphorization efficiency is improved, realize that effluent quality reaches《Water environment quality standard》(GB3838-2002) in
III~IV class standard.
Claims (4)
1. a kind of artificial wet land system for sewage treatment plant tail water advanced treating, including artificial wet land system, its feature exists
In also including the ecological cell system pre-processed to sewage, described ecological cell system includes distributing channel（1）, ecological pool（2）
And braiding channel（8）, ecological pool（2）Microbe carrier stuffing mounting bracket is provided with pond body（3）, microbe carrier stuffing（4）Gu
Dingan County is mounted in microbe carrier stuffing mounting bracket（3）On, ecological pool（2）The water surface be provided with plant floating bed（6）, it is plant floating bed
（6）Interior kind has emergent aquactic plant one（7）, distributing channel（1）Water side and ecological pool（2）Water inlet end connection, ecological pool（2）Go out
Water end (W.E.) and braiding channel（8）Water inlet end connection, be sequentially provided with lower floor from bottom of pond to pond face in the pond of artificial swamp and catchment perforated pipe
（10）, rubble supporting layer（10）, pollutant adsorption layer（12）, sand filter blanket（13）, upper strata perforation sparge pipe（15）And emergent aquactic plant
Two（14）, braiding channel（8）Water side and upper strata perforate sparge pipe（15）Water inlet end connection, lower floor catchments perforated pipe（10）One
End is provided with delivery port.
2. a kind of artificial wet land system for sewage treatment plant tail water advanced treating according to claim 1, its feature
It is, described microbe carrier stuffing（4）It is non-woven fabrics.
3. a kind of artificial wet land system for sewage treatment plant tail water advanced treating according to claim 1 and 2, it is special
Levy and be, described ecological pool（2）Inside it is provided with deflected current wall（5）, ecological pool（2）By deflected current wall（5）It is separated into the pond of plural serial stage
Body structure.
4. a kind of artificial wet land system for sewage treatment plant tail water advanced treating according to claim 1, its feature
It is that described is plant floating bed（6）It is made up of one group of elemental floating body splicing.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710017028.XA CN106745777A (en) | 2017-01-11 | 2017-01-11 | A kind of artificial wet land system for sewage treatment plant tail water advanced treating |
| PCT/CN2017/093357 WO2018129896A1 (en) | 2017-01-11 | 2017-07-18 | Artificial wetland system for advanced treatment of tail water from sewage treatment plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710017028.XA CN106745777A (en) | 2017-01-11 | 2017-01-11 | A kind of artificial wet land system for sewage treatment plant tail water advanced treating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106745777A true CN106745777A (en) | 2017-05-31 |
Family
ID=58948818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710017028.XA Withdrawn CN106745777A (en) | 2017-01-11 | 2017-01-11 | A kind of artificial wet land system for sewage treatment plant tail water advanced treating |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN106745777A (en) |
| WO (1) | WO2018129896A1 (en) |
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| WO2018129896A1 (en) * | 2017-01-11 | 2018-07-19 | 深圳市碧园环保技术有限公司 | Artificial wetland system for advanced treatment of tail water from sewage treatment plant |
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| WO2018129896A1 (en) * | 2017-01-11 | 2018-07-19 | 深圳市碧园环保技术有限公司 | Artificial wetland system for advanced treatment of tail water from sewage treatment plant |
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| CN107585868B (en) * | 2017-09-20 | 2020-06-30 | 广州太和水生态科技有限公司 | Water body deep purification system |
| CN107529526A (en) * | 2017-10-10 | 2018-01-02 | 广州华浩能源环保集团股份有限公司 | A kind of microkinetic strengthened denitrification ecological treatment method and system |
| CN109942078A (en) * | 2019-04-25 | 2019-06-28 | 深圳市绿洲生态科技有限公司 | The manufacturing method of biofilm reactor water purifying device and filler |
| CN110451742A (en) * | 2019-09-23 | 2019-11-15 | 王晓景 | Anticlogging artificial wet land system |
| CN114133102A (en) * | 2021-11-10 | 2022-03-04 | 中冶集团武汉勘察研究院有限公司 | Phytoremediation system and phytoremediation method for coal mine overflow polluted water body |
| CN117401871A (en) * | 2023-12-14 | 2024-01-16 | 西南石油大学 | Biological treatment-based oilfield living area sewage treatment method |
| CN117401871B (en) * | 2023-12-14 | 2024-02-20 | 西南石油大学 | Biological treatment-based oilfield living area sewage treatment method |
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