CN102381765A - Technical process for efficient construction of vertical current constructed wetland - Google Patents
Technical process for efficient construction of vertical current constructed wetland Download PDFInfo
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- CN102381765A CN102381765A CN2011102877635A CN201110287763A CN102381765A CN 102381765 A CN102381765 A CN 102381765A CN 2011102877635 A CN2011102877635 A CN 2011102877635A CN 201110287763 A CN201110287763 A CN 201110287763A CN 102381765 A CN102381765 A CN 102381765A
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- 238000000034 method Methods 0.000 title claims abstract description 38
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 125
- 238000009434 installation Methods 0.000 claims abstract description 25
- 238000011049 filling Methods 0.000 claims abstract description 12
- 238000012258 culturing Methods 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims abstract description 11
- 238000009395 breeding Methods 0.000 claims abstract description 4
- 230000001488 breeding effect Effects 0.000 claims abstract description 4
- 239000000945 filler Substances 0.000 claims description 129
- 238000009826 distribution Methods 0.000 claims description 78
- 239000002245 particle Substances 0.000 claims description 57
- 230000001580 bacterial effect Effects 0.000 claims description 24
- 230000000813 microbial effect Effects 0.000 claims description 16
- 238000012545 processing Methods 0.000 claims description 15
- 235000019738 Limestone Nutrition 0.000 claims description 13
- 239000006028 limestone Substances 0.000 claims description 13
- 239000004576 sand Substances 0.000 claims description 13
- 238000013022 venting Methods 0.000 claims description 11
- 238000005516 engineering process Methods 0.000 claims description 8
- 239000012528 membrane Substances 0.000 claims description 7
- 238000002788 crimping Methods 0.000 claims description 6
- 241000237502 Ostreidae Species 0.000 claims description 5
- 235000020636 oyster Nutrition 0.000 claims description 5
- 239000011435 rock Substances 0.000 claims description 5
- 241000894006 Bacteria Species 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 4
- 238000012856 packing Methods 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims description 3
- 238000007664 blowing Methods 0.000 claims description 2
- 230000002459 sustained effect Effects 0.000 claims 1
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- 239000010865 sewage Substances 0.000 description 12
- 238000013461 design Methods 0.000 description 7
- 239000011148 porous material Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 3
- 230000007062 hydrolysis Effects 0.000 description 2
- 238000006460 hydrolysis reaction Methods 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
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- 235000001018 Hibiscus sabdariffa Nutrition 0.000 description 1
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- 240000007001 Rumex acetosella Species 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
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- 230000009286 beneficial effect Effects 0.000 description 1
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- 239000007943 implant Substances 0.000 description 1
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- 239000011159 matrix material Substances 0.000 description 1
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- 230000000050 nutritive effect Effects 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Treatment Of Biological Wastes In General (AREA)
Abstract
A technical process for efficient construction of a vertical current constructed wetland aims to overcome disadvantage of incapability of normal operation of a vertical current constructed wetland in a prior art, and provides a technical process for efficient construction of a vertical current constructed wetland. The method comprises the steps of: lower layer pipeline construction; installation and construction of filling materials: classifying, selecting and preparing filling materials, paving filling material for a lower layer pipeline ditch, paving filling material for a wetland main body and paving filling material for an upper level water distributing branch pipe ditch; construction of the upper layer pipeline; construction of plants: culturing and domesticating plants, and transplanting the plants from a culture base to the constructed wetland; construction of microbe strains: domesticating the strains, adding the strains, culturing and breeding the strains in the wetland. The invention can ensure efficient and stable operation of the vertical current constructed wetland and is suitable for environment of constructed wetland.
Description
Technical field
The present invention relates to a kind of construction technique, relate in particular to a kind of efficient vertical current constructed wetland construction technique.
Background technology
Artificial swamp applies in the middle of all kinds of WWTs because of its distinctive wastewater treatment efficiency more and more widely.Efficient vertical current constructed wetland system water purification technology; Its principle of work is: the sewage that will handle early stage is introduced artificial swamp; After plant in the over-wet land, bacterial classification and various fillers from top to bottom filtered, the sewage after the processing was used for reuse or is disposed to receiving water body.Efficient vertical current constructed wetland particular structure and water flow mode, and advantage such as floor space is little, effluent quality is good, stable make its widespread use in the field of business.Effect was unsatisfactory after but some vertical current constructed wetland dropped into actual motion at present; This mainly is because the complex structure of vertical current constructed wetland; Comprise: be laid on the lower floor's pipeline that is used for draining at the bottom of the artificial swamp pond, cover filler on lower floor's pipeline, be laid on the into microbial strains in upper strata pipeline, the plant that is planted in filling surface and the artificial swamp pond of water that is used for of filler; And people lack of science, standardization in construction process; Ignore a lot of major issues easily; Do not reach design requirements, the adding and training method or the like of the grating of for example pipelining, filler and constructional method, bacterial classification, the construction wrong in early stage causes the later stage system normally not move.
Summary of the invention
The present invention has overcome the vertical current constructed wetland of the prior art not science of constructing, and the shortcoming that causes system normally not move provides a kind of efficient vertical current constructed wetland construction technique.
The present invention realizes that the technical scheme that goal of the invention adopts is: a kind of efficient vertical current constructed wetland construction technique, the structure of vertical current constructed wetland comprises: be laid on the lower floor's pipeline that is used for draining at the bottom of the artificial swamp pond and be lower floor catchment arm and the house steward of lower floor, cover filler on lower floor's pipeline, be laid on filler be used for into that the upper strata pipeline of water is the microbial strains in upper strata water distribution branch pipe and upper strata house steward, the plant that is planted in filling surface and artificial swamp pond; A whole set of construction technology process is: lower floor's piping installation---installation of filler and construction---and upper strata piping installation---construction of the plant---construction of microbial strains,
A. the piping installation of described lower floor may further comprise the steps:
B. the installation of described filler and construction may further comprise the steps:
The categorizing selection and the preparation of
filler; The particle of the limestone filler of selected lower floor pipe pipe trench is greater than the catchment aperture of arm pore and the house steward of lower floor upper surface venting hole of lower floor; The particle of the filler of selected upper strata water distribution branch pipe pipe trench is greater than the aperture of the pore of upper strata water distribution branch pipe, and selected packing material size size evenly and clean up;
C. the piping installation of described upper strata may further comprise the steps:
upper strata pipe pipe trench Primary Location; Pre-set the position according to the upper strata pipeline; Confirm the reference mark, pipe pipe trench position, upper strata, unwrapping wire location;
D. the construction of described plant may further comprise the steps:
Cultivation and the domestication of
plant; To culturing base, in culturing base, use identical filler that the newborn plant of transplanting is cultivated plant transplanting newborn in the existing wetland;
E. the construction of described microbial strains may further comprise the steps:
The domestication of
bacterial classification; Before throwing in wetland, bacterial classification is tamed domestication condition: DO:2-4mg/L, pH:6.5-8.5; Temperature: 15-40 ℃; The domestication time: 3 ~ 5 days, when water temperature is lower than below 15 ℃, domestication time lengthening to 5 ~ 7 day;
Adding of
bacterial classification; Bacterium liquid that domestication is good and wetland water inlet are added in the wetland according to the proportioning of 1:1, water inlet afterwards;
Cultivation and the breeding of
bacterial classification in wetland; After bacterial classification joins in the wetland; Observe and definite filling surface and the surperficial microbial film situation of root system of plant; When microbe population on the filler and kind instability, should tame and add bacterial classification again.
The invention has the beneficial effects as follows: a kind of efficient vertical current constructed wetland construction technique of the present invention; Through concrete steps being carried out refinement and proposing corresponding processing requirement; Make the construction process standardization; And the requirement of technology also provides assurance for the whole system trouble-free operation, as: the design requirements to the perforate of levels pipe has guaranteed the smooth of Inlet and outlet water; The clean of filler can effectively be removed pollutent and alleviate the filler blocking problem; Every layer of filler requires smooth some the regional sewage that effectively prevented down to ooze soon, and some regional sewage down oozes slowly, influences sewage treatment effect; The collocation of the filler of upper strata water distribution branch pipe pipe trench has wastewater treatment efficiency efficiently; Cultivate the early stage of newborn plant and can avoid plant dead because of not adapting to the wetland environment; Adding of bacterial classification science rolls up the inner effective microbe amount of wetland, can improve sewage treatment effect greatly.In sum, the present invention is through test of long duration and a kind of efficient vertical current constructed wetland construction technique that practice draws, and can make the operation of vertical current constructed wetland efficient stable.
Below in conjunction with accompanying drawing and embodiment the present invention is done further description.
Description of drawings
Fig. 1 is an efficient vertical current constructed wetland system operation synoptic diagram.
Fig. 2 is efficient vertical current constructed wetland structural representation.
Fig. 3 is laid on the structural representation in the pipe trench for the upper strata water distribution branch pipe.
Fig. 4 is lower floor's piping installation schema.
Fig. 5 is the installation and the construction process figure of filler.
Fig. 6 is a upper strata piping installation schema.
Fig. 7 is plant construction process figure.
Fig. 8 is the construction process figure of microbial strains.
In the accompanying drawing; A is that grating tank, B are that hydrolysis acidification pool, C are that contact-oxidation pool, D are that settling tank, E are that vertical current constructed wetland, F are reuse pool; 1-1 be rubble, the 1-2 of 20 ~ 40mm particle diameter of wetland main body filler be rubble, the 1-3 of 10 ~ 30mm particle diameter of wetland main body filler be rubble, the 1-4 of 5 ~ 10mm particle diameter of wetland main body filler be 1 ~ 4mm particle diameter of wetland main body filler coarse sand, 2 for upper strata water distribution branch pipe, 2-1 be upper strata water distribution branch pipe perforate, 3 for plant, 4 for lower floor's pipe, 5 for anti seepage membrane, 6 at the bottom of the pond, artificial swamp pond, 7 manage the limestone fillers of pipe trench for lower floor, 8-1 is that gac, the 8-2 of the filler of upper strata water distribution branch pipe pipe trench is that oyster shells, the 8-3 of the filler of upper strata water distribution branch pipe pipe trench is that volcanized rock, the 8-4 of the filler of upper strata water distribution branch pipe pipe trench is that Wingdale, the 8-5 of 10 ~ 30mm particle diameter of the filler of upper strata water distribution branch pipe pipe trench is that the rubble, 9 of 8 ~ 16mm particle diameter of the filler of upper strata water distribution branch pipe pipe trench is the protection rubble of upper strata water distribution branch pipe.
Embodiment
Shown in accompanying drawing 1; Efficient vertical current constructed wetland system operation mode of the prior art is: sewage cuts dirt through grating tank A grid earlier; Get into hydrolysis acidification pool B acidication, contact-oxidation pool C aeration aerating, settling tank D precipitation process then; Then get into the top of vertical current constructed wetland E, after plant, bacterial classification and the various fillers from top to bottom of sewage in the over-wet land filtered, the sewage after the processing flowed into reuse pool F.
Shown in accompanying drawing 2, accompanying drawing 3; The structure of vertical current constructed wetland does; Digging lower floor's pipe pipe trench at the bottom of the pond, artificial swamp pond in 6; Be equipped with anti seepage membrane 5 on the lower floor pipe pipe trench, lower floor's pipe 4 (comprise the house steward of lower floor and lower floor catchment arm) is put into lower floor's pipe pipe trench, is wrapped up by the limestone filler 7 of lower floor's pipe pipe trench all around.Lower floor pipe is gone up and is laid wetland main body filler, and the laying order is the coarse sand 1-4 of 1 ~ 4mm particle diameter of rubble 1-3, wetland main body filler of 5 ~ 10mm particle diameter of rubble 1-2, wetland main body filler of 10 ~ 30mm particle diameter of rubble 1-1, the wetland main body filler of 20 ~ 40mm particle diameter of wetland main body filler from bottom to top.Be provided with upper strata house steward's pipe trench and upper strata water distribution branch pipe pipe trench among the coarse sand 1-4 of 1 ~ 4mm particle diameter of wetland main body filler, the upper strata house steward is laid among the coarse sand 1-4 of 1 ~ 4mm particle diameter.Be equipped with the filler of upper strata water distribution branch pipe pipe trench in the water distribution branch pipe pipe trench of upper strata, laying order is the rubble 8-5 of 8 ~ 16mm particle diameter of filler of Wingdale 8-4, upper strata water distribution branch pipe pipe trench of 10 ~ 30mm particle diameter of filler of volcanized rock 8-3, upper strata water distribution branch pipe pipe trench of filler of oyster shells 8-2, upper strata water distribution branch pipe pipe trench of filler of gac 8-1, the upper strata water distribution branch pipe pipe trench of the filler of upper strata water distribution branch pipe pipe trench from bottom to top.Upper strata water distribution branch pipe 2 be laid on 10 ~ 30mm particle diameter Wingdale 8-4 and 8 ~ 16mm particle diameter rubble 8-5 between, the perforate 2-1 of upper strata water distribution branch pipe 2 is positioned on the contact surface of rubble 8-5 of Wingdale 8-4 and 8 ~ 16mm particle diameter of 10 ~ 30mm particle diameter.This design mainly is to consider that the filler of upper strata water distribution branch pipe pipe trench begins down to help the evolution to sewage from Wingdale.After treating that upper strata pipeline and filler face process secondary is smooth, on the water distribution branch pipe pipe trench of upper strata, lay the protection rubble 9 of upper strata water distribution branch pipe.Plant 2 is planted in wetland main body filler upper strata.Bacterial classification incorporates in the sewage of artificial swamp.
For realizing the structure shown in accompanying drawing 2, accompanying drawing 3; The of the present invention a kind of efficient vertical current constructed wetland construction technique that provides; A whole set of construction technology process is: lower floor's piping installation---installation of filler and construction---and upper strata piping installation---construction of the plant---construction of microbial strains, each several part construction concrete steps are:
Shown in accompanying drawing 4, lower floor's piping installation may further comprise the steps:
lower floor pipe pipe trench Primary Location; Pre-set the position according to lower floor's pipeline; Confirm the reference mark, unwrapping wire location lower floor pipe pipe trench position;
After lower floor's pipeline laying is accomplished, lay the limestone filler of parcel lower floor tube circumference.
Shown in accompanying drawing 5, the installation and the construction of filler may further comprise the steps:
The categorizing selection and the preparation of
filler; Select the filler of limestone filler, wetland main body filler and the upper strata water distribution branch pipe pipe trench of lower floor's pipe pipe trench according to specification; The particle of the limestone filler of selected lower floor pipe pipe trench is greater than the aperture of lower floor's water distribution branch pipe perforation and the house steward of lower floor upper surface venting hole; The particle of the filler of selected upper strata water distribution branch pipe pipe trench is greater than the aperture of the perforation of upper strata water distribution branch pipe, and selected packing material size size evenly and clean up;
lays the filler of lower floor's pipe pipe trench, in lower floor's pipe pipe trench, lays limestone filler till lower floor's tube circumference is wrapped up;
Filler is in construction process; Roll to push away without big machinery as much as possible and fill out, during less than 5000 square metres, should be employed in filler face shop template at the wetland area; Small-sized dump truck is transported into; Hand-stuff, layering is laid and is guaranteed that whole wetland pond inner stuffing degree of compactness is even, and porosity is controlled at 38%-40%.Area can adopt the charging of telescopic belt transfer roller greater than 5000 square metres wetland, because its easy construction, efficient is high, also can economize on resources, the energy.Note when using the mechanical execution filler: a, wetland pool wall should keep certain gangway; With the turnover of convenient construction machinery, reduce destruction to finished product; Gangway quantity is decided according to the wetland area, and completion is repaired in the gangway after filler all gets into wetland, and carries out seepage control measure; B, for reducing machinery to the rolling of filler face, the filler construction is general adopts the mode of synchronous construction, that is: anti seepage membrane---pipeline laying---filler laying---anti seepage membrane laying---pipeline laying---filler laying in the lump with lower floor's pipeline, anti seepage membrane.Construction surface progressively advances to the opening for feed direction from the opening for feed far-end, and the absolute altitude of each aspect of constructing synchronization control in construction process is to guarantee the planeness of each filler face; C, when construction machinery need be operated, must guarantee the packing layer thickness of lower floor pipeline top on the filler face, to prevent that machinery is to lower floor's pipeline destroyed.
Each layer filler non-uniform settling can occur through after soaking, and therefore in wetland water inlet for some time, behind the wet land filler settlement stability, it is smooth to need to carry out secondary with manual work, to guarantee the homogeneity of water distribution.The plantation of wetland plant needs after secondary is smooth, to carry out.
Shown in accompanying drawing 6, lower floor's piping installation may further comprise the steps:
carries out perforate processing to the upper strata pipeline; Perforate on the water distribution branch pipe of upper strata; The aperture is identical; The quantity of pore is along the water outlet direction increases setting gradually; Being the upper strata water distribution branch pipe, density of such perforation is sparse more more nearby from the upper strata house steward, and the burr and the crimping in elimination aperture, back accomplished in perforation;
Shown in accompanying drawing 7, the construction of plant may further comprise the steps:
Cultivation and the domestication of
plant; Because the carrier of artificial swamp implants plantation is more special; Not common soil but grit; This method is similar to the substrate culture method in the tank farming; The filler of artificial swamp is matrix, and sewage is nutritive medium.Plant will be cultivated and tamed earlier before implanting wetland, to culturing base, in culturing base, used identical filler that the newborn plant of transplanting is cultivated plant transplanting newborn in the existing wetland;
Shown in accompanying drawing 8, the construction of microbial strains may further comprise the steps:
The domestication of
bacterial classification; Before throwing in wetland, bacterial classification is tamed domestication condition: DO:2-4mg/L, pH:6.5-8.5; Temperature: 15-40 ℃; The domestication time: 3 ~ 5 days, when water temperature is lower than below 15 ℃, domestication time lengthening to 5 ~ 7 day;
Adding of
bacterial classification; After strain domestication is accomplished, be transported in the lift pump pond or directly get in the lift pump pond in the treating pond (tame in situation with good conditionsi pre-treatment capable of using pond) in the past with tank car and add.Bacterium liquid that domestication is good and wetland water inlet are added in the wetland according to the proportioning of 1:1, always add dosage and follow design requirements.Bacterium liquid with pump is good with proportioning is at a slow speed squeezed in the wetland pond, and water inlet on a small quantity increases 20% of flooding quantity to designed water gradually afterwards, in the two weeks to month it is debugged, and concrete flooding quantity need be looked different engineerings and decide.The bacterial classification amount that adds if desired is very big, can add in batches, and the timed interval between batch is determined on a case-by-case basis;
Cultivation and the breeding of
bacterial classification in wetland; After bacterial classification joins in the wetland; Water inlet slowly continuously; Observe and definite filling surface and the surperficial microbial film situation of root system of plant, the microbial film that can be observed filling surface and root system of plant surface under the normal circumstances is sorrel.Need every day that the water-quality guideline of Inlet and outlet water is chemically examined at the extension mem stage, the mikrobe on the filler carries out microscopy.When microbe population on the filler and kind tend towards stability for three days on end, explain that the wetland mikrobe cultivated completion.When microbe population on the filler continues a large amount of the minimizing, should tame and add bacterial classification again.
The present invention does not enumerate artificial swamp of the prior art construction technology in earlier stage; As: site clearing---the thick grading of base and side slope---levelling of the land compacting---laying of impervious element; After the laying of impervious element is accomplished in whole place; Carry out construction technology of the present invention, carry out lower floor's piping installation the---installation of filler and construction---upper strata piping installation---construction of the plant---construction of microbial strains.
Claims (6)
1. efficient vertical current constructed wetland construction technique, the structure of vertical current constructed wetland comprises: be laid on lower floor's pipeline that being used at the bottom of the artificial swamp pond collect draining and be lower floor catchment arm and the house steward of lower floor, cover filler on lower floor's pipeline, be laid on filler be used for into that the upper strata pipeline of water is the microbial strains in upper strata water distribution branch pipe and upper strata house steward, the plant that is planted in filling surface and artificial swamp pond; A whole set of construction technology process is: lower floor's piping installation---installation of filler and construction---and upper strata piping installation---construction of the plant---construction of microbial strains is characterized in that,
A. the piping installation of described lower floor may further comprise the steps:
lower floor pipe pipe trench Primary Location; Pre-set the position according to lower floor's pipeline; Confirm the reference mark, unwrapping wire location lower floor pipe pipe trench position;
digs down layer pipe pipe trench; Localized lower floor pipe pipe trench position through step
; Dig out lower floor's pipe pipe trench in bottom, artificial swamp pond; It is straight that pipe trench keeps; The bottom of trench height error is less than ± 10mm, and pipe pipe trench internal surface is laid anti seepage membrane in lower floor;
B. the installation of described filler and construction may further comprise the steps:
The categorizing selection and the preparation of
filler; The particle of the limestone filler of selected lower floor pipe pipe trench is greater than the catchment aperture of arm gully-hole and the house steward of lower floor upper surface venting hole of lower floor; The particle of the filler of selected upper strata water distribution branch pipe pipe trench is greater than the aperture of upper strata water distribution branch pipe perforation, and selected packing material size size evenly and clean up;
lays wetland main body filler; Treat the smooth back laying wetland main body filler that finishes of lower floor's pipe; The laying order is followed successively by from bottom to top: the rubble 10 ~ 30cm of 20 ~ 40mm particle diameter is thick; Rubble 10 ~ the 30cm of 10 ~ 30mm particle diameter is thick; Rubble 10 ~ the 80cm of 5 ~ 10mm particle diameter is thick; Coarse sand 30 ~ the 100cm of 1 ~ 4mm particle diameter is thick, in the coarse sand of 1 ~ 4mm particle diameter, reserves the position of upper strata pipe pipe trench, and is accurately smooth with water level gauge when laying each layer filler;
C. the piping installation of described upper strata may further comprise the steps:
water inlet back adjustment; To wetland water inlet, it is smooth to treat behind the filler face settlement stability that upper strata pipeline and filler face are carried out secondary;
lays the protection rubble of upper strata water distribution branch pipe; The water distribution branch pipe pipe trench is laid the rubble of 8 ~ 16mm particle diameter along the upper strata, and thickness is 50mm;
D. the construction of described plant may further comprise the steps:
Cultivation and the domestication of
plant; With plant transplanting newborn in the existing wetland to culturing base; In culturing base, use identical filler that the newborn plant of transplanting is cultivated
E. the construction of described microbial strains may further comprise the steps:
The domestication of
bacterial classification; Before throwing in wetland, bacterial classification is tamed; Domestication condition: DO:2-4mg/L; PH:6.5-8.5, temperature: 15-40 ℃, the domestication time: 3 ~ 5 days; When water temperature is lower than below 15 ℃, domestication time lengthening to 5 ~ 7 day;
Adding of
bacterial classification; Bacterium liquid that domestication is good and wetland water inlet are added in the wetland according to the proportioning of 1:1, water inlet afterwards;
Cultivation and the breeding of
bacterial classification in wetland; After bacterial classification joins in the wetland; Observe and definite filling surface and the surperficial microbial film situation of root system of plant; When microbe population on the filler and kind instability, should tame and add bacterial classification again.
2. a kind of efficient vertical current constructed wetland construction technique according to claim 1; It is characterized in that; In the described lower floor of the A piping installation step
, the venting hole that lower floor's house steward's upper surface is offered is aperture 10 ~ 12mm, perforation spacings 4 ~ 6m.
3. a kind of efficient vertical current constructed wetland construction technique according to claim 1; It is characterized in that; In the described lower floor of the A piping installation step
, the catchment blowing angle of arm of lower floor is downward 45 °.
4. a kind of efficient vertical current constructed wetland construction technique according to claim 1; It is characterized in that; The installation of the described filler of B and construction procedure
are in
, and the porosity of filler is 38%-40%.
5. a kind of efficient vertical current constructed wetland construction technique according to claim 1; It is characterized in that; In the described upper strata piping installation of the C step
; The use water level gauge was accurately smooth after the upper strata house steward was connected with the upper strata water distribution branch pipe does; The upper strata house steward is with wetland main body filler adjustment absolute altitude, and the upper strata water distribution branch pipe is with the filler adjustment absolute altitude of upper strata water distribution branch pipe pipe trench.
6. a kind of efficient vertical current constructed wetland construction technique according to claim 1; It is characterized in that; In the construction procedure of the described microbial strains of E
, 20% of the water yield to the designed water of intaking afterwards.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103359893A (en) * | 2013-08-06 | 2013-10-23 | 山东建筑大学 | A sewage treatment and reclaimed-water reuse coupled system for landscape energy-efficient residential areas |
| WO2018113279A1 (en) * | 2016-12-23 | 2018-06-28 | 深圳市碧园环保技术有限公司 | Constructed wetland for use in circulating purification of landscape water body |
| CN110790388A (en) * | 2019-11-29 | 2020-02-14 | 北京林业大学 | Composite vertical subsurface flow constructed wetland sewage purification system based on functional filler structure |
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| CN101186382A (en) * | 2007-11-28 | 2008-05-28 | 浙江师范大学 | Stereo artificial wetland system for treating sewage |
| CN101508481A (en) * | 2008-08-22 | 2009-08-19 | 深圳市环境科学研究院 | Wetland stuffing used in method for sewage treatment with artificial wetland |
| CN101638288A (en) * | 2009-08-27 | 2010-02-03 | 同济大学 | Filtration-fabric anti-clogging strengthening compound flow constructed wetland domestic sewage treatment system |
| CN101691270A (en) * | 2009-11-03 | 2010-04-07 | 何航 | Assembled packing artificial vertical subsurface flow wetland unit, application thereof and sewage treatment process |
| CN102010066A (en) * | 2010-11-12 | 2011-04-13 | 张四海 | Method for purifying sewage in vertical-flow artificial wetland |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103359893A (en) * | 2013-08-06 | 2013-10-23 | 山东建筑大学 | A sewage treatment and reclaimed-water reuse coupled system for landscape energy-efficient residential areas |
| WO2018113279A1 (en) * | 2016-12-23 | 2018-06-28 | 深圳市碧园环保技术有限公司 | Constructed wetland for use in circulating purification of landscape water body |
| CN110790388A (en) * | 2019-11-29 | 2020-02-14 | 北京林业大学 | Composite vertical subsurface flow constructed wetland sewage purification system based on functional filler structure |
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| CN102381765B (en) | 2013-02-06 |
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