CN109179679A - It is a kind of can alternate run artificial swamp and its workflow - Google Patents
It is a kind of can alternate run artificial swamp and its workflow Download PDFInfo
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- CN109179679A CN109179679A CN201811274173.7A CN201811274173A CN109179679A CN 109179679 A CN109179679 A CN 109179679A CN 201811274173 A CN201811274173 A CN 201811274173A CN 109179679 A CN109179679 A CN 109179679A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 84
- 238000012856 packing Methods 0.000 claims abstract description 83
- 239000000945 filler Substances 0.000 claims abstract description 20
- 238000000034 method Methods 0.000 claims abstract description 12
- 241000196324 Embryophyta Species 0.000 claims description 10
- 239000010865 sewage Substances 0.000 claims description 9
- 235000014676 Phragmites communis Nutrition 0.000 claims description 4
- 230000004888 barrier function Effects 0.000 claims description 3
- 244000205574 Acorus calamus Species 0.000 claims description 2
- 235000011996 Calamus deerratus Nutrition 0.000 claims description 2
- 235000005273 Canna coccinea Nutrition 0.000 claims description 2
- 240000008555 Canna flaccida Species 0.000 claims description 2
- 241000721690 Lythrum salicaria Species 0.000 claims description 2
- 244000143231 Scirpus validus Species 0.000 claims description 2
- 235000008573 Scirpus validus Nutrition 0.000 claims description 2
- 240000001398 Typha domingensis Species 0.000 claims description 2
- 230000008676 import Effects 0.000 claims description 2
- 241001494508 Arundo donax Species 0.000 claims 1
- 230000005484 gravity Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 10
- 238000005516 engineering process Methods 0.000 abstract description 5
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- 238000011866 long-term treatment Methods 0.000 abstract description 2
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- 238000010586 diagram Methods 0.000 description 5
- 238000011282 treatment Methods 0.000 description 5
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
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- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
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- 241001465754 Metazoa Species 0.000 description 1
- 244000082204 Phyllostachys viridis Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 239000006004 Quartz sand Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910021536 Zeolite Inorganic materials 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- 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
-
- 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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F2003/001—Biological treatment of water, waste water, or sewage using granular carriers or supports for the microorganisms
Abstract
The invention discloses it is a kind of can alternate run artificial swamp and its workflow, including wetland exterior wall, intake pool, packing area and discharge bay kind are implanted with wetland plant in packing area.Present invention incorporates horizontal drowned flow artificial wet lands and vertical current constructed wetland technology characteristics, have two kinds of wet land technique operational modes, can adjusting process type according to the actual situation, realize the alternate run of wetland；The present invention can alternate run, be conducive to overcome the problems, such as after traditional wetland longtime running that the biomembrane of filler surface aging can be removed by the continuous alternate run of two kinds of wetland modes in microbial film aging, be conducive to microbiologic population constantly to substitute, guarantee the long-term treatment effect of wetland；Wetland mode alternate run in the present invention, making water (flow) direction not is being single one-way flow, but is covered by the horizontal and vertical water flow for being alternatively formed Multi-angle omnibearing, advantageously reduces slough area, alleviates Wetland clogging, extends the wetland service life.
Description
Technical field
The present invention relates to sewage treatment field, it is specifically a kind of can alternate run artificial swamp.
Background technique
Wetland is the unified whole of wetland plant, the animal for inhabiting wetland, microorganism and its environment composition.Wetland has
Multiple functions: protection bio-diversity, regulated flow improve water quality, adjust miniclimate, and provide food and the raw material of industry,
Tourist resources is provided.
With the development of client, people are also in research Artificial Wetland Techniques.Artificial Wetland Techniques originated from for 20th century earliest
The sixties, the developing history away from modern existing more than 50 years.It mainly passes through a variety of synergistic effect purifications such as plant, filler, microorganism
Water quality has good purification, operating cost low and many advantages such as preferable landscape effect, thus has been widely used
In fields such as city domestic sewage, country sewage, rainwash rainwater, industrial wastewater, landfill leachates.
Currently, artificial swamp is broadly divided into surface current artificial wetland and drowned flow artificial wet land two major classes.Surface turning flow artificial is wet
Ground hydraulic loading is low, and treatment effect is relatively poor.Drowned flow artificial wet land can be divided into horizontal drowned flow artificial wet land and vertical current again
Two kinds of artificial swamp, two kinds of wetland comparative analysis, the former is handled, and load is relatively low, constructing is easier to, low cost, is not easy to block up
Plug, but occupied area is relatively large, removal effect is general and winter processing capacity is poor；The latter's occupied area is small, hydraulic loading
High, high treating effect, but cost is high, easily blocking.Two kinds of Wetland Types have the advantages that respective, but there is also accordingly not simultaneously
Foot.For this purpose, mostly using different type wetland group technology at present, such as surface stream plus undercurrent type, complex vertical stream type, come
Certain deficiencies on certain wet land technique are compensated for, but also more or less along with occupied area increase, investment increase, part
The problems such as wetland unit easily blocks, treatment effect is unstable, water distribution is complicated, causes the wasting of resources to a certain extent, not
Fundamentally solve the existing deficiency of two kinds of wet land techniques.
Summary of the invention
The purpose of the present invention is to provide it is a kind of can alternate run artificial swamp, to solve to propose in above-mentioned background technique
The problem of.
To achieve the above object, the invention provides the following technical scheme:
It is a kind of can alternate run artificial swamp, including wetland exterior wall, intake pool, packing area and discharge bay, intake pool fill out
Material area and discharge bay are arranged inside wetland exterior wall and packing area is between intake pool and discharge bay, the two sides of packing area
It is provided with wall after perforated wall front wall and perforated wall, horizontal drowned flow inlet opening and water inlet main pipe, water inlet are distributed on perforated wall front wall
Main pipe is connected with intake pool and the main pipe two sides that intake are provided with water inlet pipe, and horizontal drowned flow is distributed on wall after perforated wall
Apopore sum aggregate water conduit tube, the two sides for collecting water conduit tube are provided with collection branch pipe and packing area passes through collection water conduit tube and discharge bay
It is connected, kind is implanted with wetland plant in packing area.
As a further solution of the present invention: being provided with water inlet manifold control valve on water inlet main pipe, collect and be arranged on water conduit tube
There is total outlet pipe valve.
As a further solution of the present invention: packing area includes leading portion packing area, middle section packing area and back segment packing area, in
Section packing area successively includes upper layer packing layer, intermediate filler layer and lower layer's packing layer from top to bottom, and leading portion is provided on packing area
Inhalant region packing layer is provided with exhalant region packing layer on back segment packing area, and wetland plant is located in the packing layer of upper layer, collects water conduit tube
It is located in lower layer's packing layer with collection branch pipe, collection branch pipe is only laid in lower layer's packing layer, and inhalant region packing layer and exhalant region are filled out
The bed of material should not lay collection branch pipe, and water inlet pipe is only laid in upper layer packing layer, and inhalant region packing layer and exhalant region packing layer are not
Preferably lay water inlet pipe.
As a further solution of the present invention: the bottom of packing area is provided with impervious barrier.
As a further solution of the present invention: the height of horizontal drowned flow inlet opening is slightly above the height for main pipe of intaking, and guarantees
Intake water inlet tube when horizontal drowned flow inlet opening overflow will not occur, and be evenly distributed on perforated wall front wall, can be used round hole or
Square hole, percent opening should not be too large or too small, control 30% or so, the height for main pipe of intaking is slightly above the height at the top of packing area
Degree can suitably increase the quantity of water inlet main pipe when wetland wider width, and water inlet main pipe is uniformly distributed and water inlet main pipe and horizontal
Undercurrent inlet opening interlaced arrangement.
As a further solution of the present invention: the spacing between spacing and collection branch pipe between water inlet pipe no more than
The aperture of 1m, water inlet pipe and collection branch pipe is 2-3cm.
As a further solution of the present invention: can the one or more wetlands plants of plantation as uniform as possible in the packing layer of upper layer
Object, planting location should avoid water inlet pipe, wetland plant includes reed, cattail, calamus, iris, canna, thaliadeabata, floral leaf reed
At least one of bamboo, Lythrum salicaria and Scirpus tabernaemontani.
As a further solution of the present invention: upper layer packing layer with a thickness of 20-40cm, the filler for being 8-16mm by partial size
Composition；Intermediate filler layer with a thickness of 30-60cm, be made of the filler that partial size is 4-12mm, lower layer's packing layer with a thickness of 20-
40cm, particle size, which should be greater than collection branch pipe aperture, to be prevented from blocking, and is made of the filler that partial size is 30-60mm；Inhalant region filler
Layer and exhalant region packing layer with a thickness of 80-120cm, be made of the filler that partial size is 30-80mm, gravel, broken may be selected in filler
Stone, zeolite, steel slag, flyash, coarse sand, quartz sand and other novel wetland fillers etc..
It is described can alternate run artificial swamp workflow, the specific steps are as follows:
(1) when horizontal drowned flow artificial wet land is run: the sewage of intake pool, which first flows automatically from horizontal drowned flow inlet opening, enters water inlet
Area's packing layer, subsequent horizontal direction flow through middle section packing area, import exhalant region packing layer, latent by the level on wall after perforated wall
Outflow water hole is discharged into discharge bay；
(2) when vertical current constructed wetland is run: the sewage of intake pool is first flowed by opening water inlet manifold control valve into water
Main pipe is then uniformly flowed into the packing layer of upper layer by water inlet pipe, passes perpendicularly through intermediate filler layer and lower layer's packing layer, then
It is collected into collection water conduit tube by the collection branch pipe in lower layer's packing layer, flows into water outlet finally by control total outlet pipe valve
Pond.
Compared with prior art, the beneficial effects of the present invention are:
First, present invention incorporates horizontal drowned flow artificial wet land and vertical current constructed wetland technology characteristics, have two kinds it is wet
Ground process operation mode, can adjusting process type according to the actual situation, realize the alternate run of wetland；
Second, the present invention can alternate run, be conducive to overcome the problems, such as microbial film aging after traditional wetland longtime running,
By the continuous alternate run of two kinds of wetland modes, the biomembrane of filler surface aging can be removed, be conducive to microbiologic population not
Disconnected replacement guarantees the long-term treatment effect of wetland；
Third, the present invention in wetland mode alternate run, making water (flow) direction not is being single one-way flow, but passes through water
The gentle water flow covering for being vertically alternatively formed Multi-angle omnibearing, advantageously reduces slough area, alleviates Wetland clogging, extend
The wetland service life.
Detailed description of the invention
Fig. 1 be can alternate run artificial swamp structural schematic diagram.
Fig. 2 be can under the artificial swamp difference operational mode of alternate run wetland effluent TN season variation diagram.
Fig. 3 be can under the artificial swamp difference operational mode of alternate run wetland effluent TP season variation diagram.
Fig. 4 is can wetland effluent NH under the artificial swamp difference operational mode of alternate run4 +The season variation diagram of-N.
Fig. 5 be can under the artificial swamp difference operational mode of alternate run wetland effluent COD season variation diagram.
Wherein: 1- wetland exterior wall；2- intake pool；3- horizontal drowned flow inlet opening；4- water inlet manifold control valve；5- wetland is planted
Object；6- water inlet pipe；The upper layer 7- packing layer；8- intermediate filler layer；9- lower layer packing layer；10- water inlet main pipe；11- horizontal drowned flow
Apopore；12- perforated wall front wall；13- inhalant region packing layer；14- collection branch pipe；15- collection water conduit tube；16- impervious barrier；17- goes out
Pool packing layer；Wall after 18- perforated wall；19- total outlet pipe valve；20- discharge bay.
Specific embodiment
The technical solution of the patent is explained in further detail With reference to embodiment.
Embodiment 1
It is a kind of can alternate run artificial swamp, be made of inhalant region, packing area and exhalant region, intake pool 2 use high standard
Number polymer cement be Anti-seeping technology, overall length * wide * high: 4*1*1.5m, thickness 10cm.2 overall length 50cm of intake pool, by latent
Dirty pump water inlet；20 overall length 50cm of discharge bay is drained by outlet pipe and total outlet pipe valve 19.12 thickness 10cm of perforated wall front wall,
Away from the water inlet main pipe 10 for setting DN 100 at the high 1.1m in bottom, water inlet manifold control is set at overall length 2m, the 20cm away from perforated wall front wall 12
Valve 4 processed, it is several to be followed by water inlet pipe 6, aperture 2cm；3 horizontal drowned flow inlet openings 3, aperture are set at perforated wall front wall 12 is 1.2m high
10cm.The total high 1m in packing area, leading portion packing area, middle section packing area and the back segment filler head of district are respectively 0.5m, 1.6m and 0.5m, into
Pool packing layer 13 and exhalant region packing layer 17 are made of the rubble that partial size is 30-50mm.The upper layer packing layer 7 of middle section packing layer
High 20cm is made of the gravel that partial size is 10-16mm；Intermediate filler layer 8 is 50cm high, is made of the gravel that partial size is 4-10mm；
Lower layer's packing layer 9 is 30cm high, is made of the gravel that partial size is 30-40mm.Middle section packing area sets the collection of DN 100 to discharge bay 20
Water conduit tube 15, is always about 2.3m, and two sides set several collection branch pipes 14, set total outlet pipe valve 19 at the about 10cm of end.Wetland is planted
Object 5 uses reed, and planting density is 16 plants/m2.18 thickness 10cm of wall after perforated wall, away from setting collection branch pipe 14 at the high 10cm in bottom,
Away from horizontal drowned flow apopore 11 is set at the high 70cm in bottom, aperture 10cm lays one to prevent filler from overflowing at each aperture
PVC circle filter, network interface are the square orifice of 2*2cm.20 end of discharge bay valvular DN 100 of tape splicing at away from bottom 10cm
Wetland effluent pipe.Water inlet main pipe 10, water inlet pipe 6, collection water conduit tube 15 and collection branch pipe 14 are all made of pvc pipe.
Test water uses artificial distribution, is extracted by submersible sewage pump to intake pool 2, each index influent concentration simulation after mixing
" urban wastewater treatment firm pollutant emission standard " level-one A standard handles load 0.25m3/(m2·d).Experimental period is 1 year,
It is divided into and is sampled once in April, July, October and January, sees wetland whole year disposition.Experiment starts first first trial operation 1 month, is
System formally starts simulated experiment after stablizing.
The method of operation: horizontal drowned flow need to simultaneously close off water inlet manifold control valve 4 and total outlet pipe valve 19, packing area into
Water outlet passes through horizontal drowned flow inlet opening 3 and horizontal drowned flow apopore 11 respectively.Using program processing sewage treatment plant tail water
It the results are shown in Table 1.
Table 1
| Water quality | TN(mg/L) | TP(mg/L) | NH4 +-N(mg/L) | CODCr(mg/L) |
| Water inlet | 14.6~15.7 | 0.48~0.53 | 5.3~6.2 | 47~55 |
| April | 5.82 | 0.19 | 2.78 | 32 |
| July | 7.64 | 0.12 | 2.01 | 25 |
| October | 6.16 | 0.15 | 1.24 | 28 |
| January | 10.81 | 0.14 | 2.15 | 32 |
Embodiment 2
Wetland size and construction etc. and embodiment 1 are completely the same, and water allocation scheme and water intaking time are also identical, unique different
Be that vertical current constructed wetland is taken to run.Water inlet manifold control valve 4 and total outlet pipe valve 19 are always protected under the operational mode
Unlatching is held, packing area Inlet and outlet water passes through water inlet main pipe 10, water inlet pipe 6, collection water conduit tube 15 and collection branch pipe 14 respectively.Wetland is complete
Year processing result is shown in Table 2.
Table 2
Embodiment 3
Wetland size and construction etc. and embodiment 1 are completely the same, and water allocation scheme and water intaking time are also identical, unique different
Be to take horizontal drowned flow and vertical current alternate run, every month, alternate run was primary, alternately during need to empty wetland effluent
Pond.Wetland whole year processing result is shown in Table 3.
Table 3
| Water quality | TN(mg/L) | TP(mg/L) | NH4 +-N(mg/L) | CODCr(mg/L) |
| Water inlet | 14.6~15.7 | 0.48~0.53 | 5.3~6.2 | 47~55 |
| April | 5.55 | 0.18 | 2.63 | 28 |
| July | 5.80 | 0.14 | 1.85 | 19 |
| October | 5.65 | 0.10 | 1.43 | 22 |
| January | 8.62 | 0.10 | 2.16 | 25 |
The processing result of 3 embodiments is compared, we can see that apparatus of the present invention are under three kinds of wetland operational modes, it is wet
Ground system is to TN, TP, NH4 +- N and COD has preferable operational effect, and alternate run mode whole year stability is best, especially
It is to keep preferable treatment effect in winter.
To sum up, apparatus of the present invention preferably combine two kinds of technology types of horizontal drowned flow and vertical current, compensate for the two and exist
Technologic some shortcomings.Meanwhile replacing three kinds of fortune by comparing horizontal drowned flow, vertical current and horizontal drowned flow-vertical current
Row mode obtains, system stability is good compared with other two kinds of single methods of operation when alternate run, and winter is also able to maintain preferable net
Change effect.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (9)
1. one kind can alternate run artificial swamp, which is characterized in that including wetland exterior wall (1), intake pool (2), packing area and
Discharge bay (20), intake pool (2), packing area and discharge bay (20) are arranged at wetland exterior wall (1) inside and packing area is located at
Between intake pool (2) and discharge bay (20), the two sides of packing area are provided with wall (18) after perforated wall front wall (12) and perforated wall, wear
Horizontal drowned flow inlet opening (3) and water inlet main pipe (10) are distributed on hole wall front wall (12), intake main pipe (10) and intake pool (2) phase
It is connected to and main pipe of intaking (10) two sides is provided with water inlet pipe (6), horizontal drowned flow is distributed on wall (18) after perforated wall and goes out
The two sides of water hole (11) sum aggregate water conduit tube (15), collection water conduit tube (15) are provided with collection branch pipe (14) and packing area passes through collection
Water conduit tube (15) is connected with discharge bay (20), kind is implanted with wetland plant (5) in packing area.
2. it is according to claim 1 can alternate run artificial swamp, which is characterized in that set on the water inlet main pipe (10)
It is equipped with water inlet manifold control valve (4), is provided with total outlet pipe valve (19) on collection water conduit tube (15).
3. it is according to claim 1 can alternate run artificial swamp, which is characterized in that the packing area includes that leading portion is filled out
Expect that area, middle section packing area and back segment packing area, middle section packing area successively include upper layer packing layer (7), intermediate filler from top to bottom
Layer (8) and lower layer's packing layer (9) is provided with inhalant region packing layer (13) on leading portion packing area, and back segment is provided with out on packing area
Pool packing layer (17), wetland plant (5) are located in the packing layer of upper layer (7), collect water conduit tube (15) and collection branch pipe (14) is located at
In lower layer's packing layer (9).
4. it is according to claim 1 or 2 can alternate run artificial swamp, which is characterized in that the bottom of the packing area
It is provided with impervious barrier (16).
5. it is according to claim 1 can alternate run artificial swamp, which is characterized in that the horizontal drowned flow inlet opening
(3) height is slightly above the height of water inlet main pipe (10), and the height of water inlet main pipe (10) is slightly above the height at the top of packing area, into
Water conduit tube (10) is uniformly distributed and water inlet main pipe (10) and horizontal drowned flow inlet opening (3) interlaced arrangement.
6. according to claim 1 or 5 can alternate run artificial swamp, which is characterized in that the water inlet pipe (6) it
Between spacing and collection branch pipe (14) between spacing no more than 1m, the aperture of water inlet pipe (6) and collection branch pipe (14) is
2-3cm。
7. it is according to claim 1 can alternate run artificial swamp, which is characterized in that the wetland plant (5) includes
At least one of reed, cattail, calamus, iris, canna, thaliadeabata, Arundo donax, Lythrum salicaria and Scirpus tabernaemontani.
8. it is according to claim 3 can alternate run artificial swamp, which is characterized in that the upper layer packing layer (7)
With a thickness of 20-40cm, intermediate filler layer (8) with a thickness of 30-60cm, lower layer's packing layer (9) with a thickness of 20-40cm, water inlet
Area's packing layer (13) and exhalant region packing layer (17) with a thickness of 80-120cm.
9. it is a kind of it is a method as claimed in any one of claims 1-8 can alternate run artificial swamp workflow, which is characterized in that tool
Steps are as follows for body:
(1) when horizontal drowned flow artificial wet land is run: the sewage of intake pool (2) first from horizontal drowned flow inlet opening (3) gravity flow enter into
Pool packing layer (13), subsequent horizontal direction flow through middle section packing area, import exhalant region packing layer (17), pass through wall after perforated wall
(18) the horizontal drowned flow apopore (11) on is discharged into discharge bay (20)；
(2) vertical current constructed wetland run when: the sewage of intake pool (2) by open water inlet manifold control valve (4) first flow into
Water conduit tube (10) is then uniformly flowed into upper layer packing layer (7) by water inlet pipe (6), passes perpendicularly through intermediate filler layer (8)
It is collected into collection water conduit tube (15) with lower layer's packing layer (9), then the collection branch pipe (14) passed through in lower layer's packing layer (9), finally
Discharge bay (20) are flowed by control total outlet pipe valve (19).
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109851053A (en) * | 2019-03-29 | 2019-06-07 | 武汉中科水生环境工程股份有限公司 | A kind of adjustable water outlet composite under-current artificial wetland of high drop |
| CN111056640A (en) * | 2019-12-17 | 2020-04-24 | 深圳市碧园环保技术有限公司 | Constructed wetland structure suitable for cold areas |
| CN111517476A (en) * | 2020-05-13 | 2020-08-11 | 东南大学 | Infiltration degree controllable, drop dry, sprinkling irrigation switchable type constructed wetland tail water treatment system |
| CN114890550A (en) * | 2022-06-06 | 2022-08-12 | 中煤紫光湖北环保科技有限公司 | Small garden type micro-power rural domestic sewage purification treatment device and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102531184A (en) * | 2012-01-09 | 2012-07-04 | 中国环境科学研究院 | Low-temperature applicable variable artificial wetland |
| US20130175215A1 (en) * | 2012-01-09 | 2013-07-11 | Chinese Research Academy Of Environmental Sciences | Engineered wetland device of continuous operation for wastewater treatment under low temperature |
| CN108585213A (en) * | 2018-08-01 | 2018-09-28 | 北京东方园林环境股份有限公司 | A kind of switchable type drowned flow artificial wet land and its execution switching method |
| CN209052461U (en) * | 2018-10-30 | 2019-07-02 | 中国科学院水生生物研究所 | It is a kind of can alternate run artificial swamp |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102531184A (en) * | 2012-01-09 | 2012-07-04 | 中国环境科学研究院 | Low-temperature applicable variable artificial wetland |
| US20130175215A1 (en) * | 2012-01-09 | 2013-07-11 | Chinese Research Academy Of Environmental Sciences | Engineered wetland device of continuous operation for wastewater treatment under low temperature |
| CN108585213A (en) * | 2018-08-01 | 2018-09-28 | 北京东方园林环境股份有限公司 | A kind of switchable type drowned flow artificial wet land and its execution switching method |
| CN209052461U (en) * | 2018-10-30 | 2019-07-02 | 中国科学院水生生物研究所 | It is a kind of can alternate run artificial swamp |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109851053A (en) * | 2019-03-29 | 2019-06-07 | 武汉中科水生环境工程股份有限公司 | A kind of adjustable water outlet composite under-current artificial wetland of high drop |
| CN111056640A (en) * | 2019-12-17 | 2020-04-24 | 深圳市碧园环保技术有限公司 | Constructed wetland structure suitable for cold areas |
| CN111517476A (en) * | 2020-05-13 | 2020-08-11 | 东南大学 | Infiltration degree controllable, drop dry, sprinkling irrigation switchable type constructed wetland tail water treatment system |
| CN114890550A (en) * | 2022-06-06 | 2022-08-12 | 中煤紫光湖北环保科技有限公司 | Small garden type micro-power rural domestic sewage purification treatment device and method |
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