CN102381765B - 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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- CN102381765B CN102381765B CN2011102877635A CN201110287763A CN102381765B CN 102381765 B CN102381765 B CN 102381765B CN 2011102877635 A CN2011102877635 A CN 2011102877635A CN 201110287763 A CN201110287763 A CN 201110287763A CN 102381765 B CN102381765 B CN 102381765B
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- 230000001580 bacterial effect Effects 0.000 claims description 21
- 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
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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 technical process for efficient construction of vertical current constructed wetland.
Background technology
Artificial swamp applies in the middle of all kinds of sewage disposals more and more widely because of its distinctive wastewater treatment efficiency.Efficient Vertical Flow Constructed Wetland Systems water purification technology, its principle of work is: the sewage that will process 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.Structure and the water flow mode of efficient vertical current constructed wetland uniqueness, and the 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 the filler on lower floor's pipeline, be laid on the upper strata pipeline that is used for water inlet in the filler, be planted in the plant of filling surface and the microbial strains in the artificial swamp pond, and people lack science in construction process, standardization, easily ignore a lot of major issues, do not reach design requirements, for example pipelining, the grating of filler and constructional method, adding and training method etc. of bacterial classification, the construction wrong in early stage cause 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 technical process for efficient construction of vertical current constructed wetland.
The present invention realizes that the technical scheme that goal of the invention adopts is: a kind of technical process for efficient construction of vertical current constructed wetland, 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, the upper strata pipeline that is used for water inlet that is laid on filler 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:
Lay lower floor's pipeline, the house steward of lower floor and the lower floor arm that catchments is laid on through step
In the lower floor of the digging pipe pipe trench, the house steward of the lower floor arm that is connected with lower floor adopts pipe top mode of connection to connect and adjusts straight with water level gauge;
B. the installation of described filler and construction may further comprise the steps:
C. described upper strata piping installation may further comprise the steps:
Lay the protection rubble of upper strata water distribution branch pipe, lay the rubble of 8 ~ 16mm particle diameter along upper strata water distribution branch pipe pipe trench, thickness is 50mm;
D. the construction of described plant may further comprise the steps:
E. the construction of described microbial strains may further comprise the steps:
Adding of bacterial classification, the bacterium liquid that domestication is good and wetland water inlet are added in the wetland according to the proportioning of 1:1, afterwards water inlet;
The invention has the beneficial effects as follows: a kind of technical process for efficient construction of vertical current constructed wetland of the present invention, by concrete steps being carried out refinement and proposing corresponding processing requirement, make the construction process standardization, and the requirement of technique 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 problem that filler stops up; Every layer of filler requires smooth some the regional sewage that effectively prevented down to ooze soon, and some regional sewage down oozes slowly, affects the treatment effect of sewage; The collocation of the filler of upper strata water distribution branch pipe pipe trench has efficient wastewater treatment efficiency; Cultivate the early stage of newborn plant and can avoid plant dead because not adapting to Wetland Environment; The effective microbe amount that makes wetland inside that adds of bacterial classification science rolls up, and can greatly improve the treatment effect of sewage.In sum, the present invention is through test of long duration and a kind of technical process for efficient construction of vertical current constructed wetland that practice draws, and can make the operation of vertical current constructed wetland efficient stable.
The invention will be further described below in conjunction with accompanying drawing and embodiment.
Description of drawings
Fig. 1 is efficient Vertical Flow Constructed Wetland Systems operation schematic diagram.
Fig. 2 is efficient vertical current constructed wetland structural representation.
Fig. 3 is that the upper strata water distribution branch pipe is laid on the structural representation in the pipe trench.
Fig. 4 is lower floor's piping installation schema.
Fig. 5 is installation and the construction process figure of filler.
Fig. 6 is 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 grating tank; B is hydrolysis acidification pool; C is contact-oxidation pool; D is settling tank; E is vertical current constructed wetland; F is reuse pool; 1-1 is the rubble of 20 ~ 40mm particle diameter of wetland main body filler; 1-2 is the rubble of 10 ~ 30mm particle diameter of wetland main body filler; 1-3 is the rubble of 5 ~ 10mm particle diameter of wetland main body filler; 1-4 is the coarse sand of 1 ~ 4mm particle diameter of wetland main body filler; 2 is the upper strata water distribution branch pipe; 2-1 is upper strata water distribution branch pipe perforate; 3 is plant; 4 are lower floor's pipe; 5 is anti seepage membrane; 6 be pond, artificial swamp pond at the bottom of; 7 limestone fillers for lower floor's pipe pipe trench, 8-1 is the gac of the filler of upper strata water distribution branch pipe pipe trench; 8-2 is the oyster shells of the filler of upper strata water distribution branch pipe pipe trench; 8-3 is the volcanized rock of the filler of upper strata water distribution branch pipe pipe trench; 8-4 is the Wingdale of 10 ~ 30mm particle diameter of the filler of upper strata water distribution branch pipe pipe trench; 8-5 is the rubble of 8 ~ 16mm particle diameter of the filler of upper strata water distribution branch pipe pipe trench; 9 is the protection rubble of upper strata water distribution branch pipe.
Embodiment
As shown in Figure 1, efficient Vertical Flow Constructed Wetland Systems operation scheme of the prior art is: sewage cuts dirt through grating tank A grid first, then enter hydrolysis acidification pool B acidication, contact-oxidation pool C aeration aerating, settling tank D precipitation process, then enter 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 is, 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 lower floor's pipe pipe trench, lower floor pipe 4(comprises the house steward of lower floor and the lower floor arm that catchments) put into lower floor's pipe pipe trench, all around by limestone filler 7 parcels of lower floor's pipe pipe trench.The upper wetland main body filler of laying of lower floor pipe, laying order are 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 the Wingdale 8-4 of 10 ~ 30mm particle diameter 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 the Wingdale 8-4 of 10 ~ 30mm particle diameter and 8 ~ 16mm particle diameter.This design mainly is to consider that the filler of upper strata water distribution branch pipe pipe trench begins down to be conducive to evolution to sewage from Wingdale.After upper strata pipeline and filler face are smooth through secondary, lay the protection rubble 9 of upper strata water distribution branch pipe at upper strata water distribution branch pipe pipe trench.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 technical process for efficient construction of vertical current constructed wetland 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:
As shown in Figure 4, lower floor's piping installation may further comprise the steps:
Dig down a layer pipe pipe trench, if at the bottom of the wetland pond without pipe trench, lower floor's pipeline directly is layed at the bottom of the pond, and the house steward of lower floor is installed first when then constructing, and lower floor's arm that catchments is installed after the house steward of lower floor installs again, then calibrates with water level gauge, uses cushion block suitably to adjust absolute altitude; If wetland lower floor pipeline adopts in-duct installation, then before drainage construction, carry out the planning of pipe trench circuit, guarantee the straight of pipe trench as far as possible, and the pipe fitting construction part is made a mark.Need guarantee width, the degree of depth and the planeness of pipe trench during drainage construction, need the position of pipe fitting construction suitably to widen, with convenient construction.After individual event work was finished, the usage level instrument was examined the pipeline absolute altitude, and utilized cushion block adjustment to meet design requirements.In the present embodiment, through step
The lower floor pipe pipe trench position of location, 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 be ± 10mm, in lower floor's pipe pipe trench internal surface laying anti seepage membrane;
After lower floor's pipeline laying is finished, lay the limestone filler of parcel lower floor tube circumference.
As shown in Figure 5, the installation of filler and construction may further comprise the steps:
Lay wetland main body filler, manage smooth complete rear laying wetland main body filler until lower floor, 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, reserves the position of upper strata pipe pipe trench in the coarse sand of 1 ~ 4mm particle diameter, and is accurately smooth with water level gauge when laying each layer filler;
Filler is in construction process, roll to push away without big machinery as much as possible and fill out, at Wetland Area during less than 5000 square metres, should adopt at the filler face and spread template, small-size 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 Extendible belt conveyer charging greater than 5000 square metres wetland, because its easy construction, efficient is high, also can economize on resources, the energy.Should be noted when using the mechanical execution filler: a, wetland pool wall should keep certain gangway, with the turnover of convenient construction machinery, reduce the destruction to finished product, gangway quantity is decided according to Wetland Area, and the gangway is repaired after filler all enters wetland and finished, 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, construction machinery need to when the filler face operates, must guarantee the packing layer thickness of lower floor pipeline top, in case the stop machine tool is to the destruction of lower floor's pipeline.
Each layer filler non-uniform settling can occur through after soaking, therefore in wetland water inlet for some time, behind the wet land filler settlement stability, need with manually carrying out secondary smooth, to guarantee the homogeneity of water distribution.The plantation of wetland plant needs to carry out after secondary is smooth.
As shown in Figure 6, lower floor's piping installation may further comprise the steps:
As shown in Figure 7, the construction of plant may further comprise the steps:
As shown in Figure 8, the construction of microbial strains may further comprise the steps:
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 finished 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 (1)
1. technical process for efficient construction of vertical current constructed wetland, 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, the upper strata pipeline that is used for water inlet that is laid on filler 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:
B. the installation of described filler and construction may further comprise the steps:
C. described upper strata piping installation may further comprise the steps:
Adjust after the water inlet, to the wetland water inlet, behind filler face settlement stability, upper strata pipeline and filler face are carried out secondary smooth;
Lay the protection rubble of upper strata water distribution branch pipe, lay the rubble of 8 ~ 16mm particle diameter along upper strata water distribution branch pipe pipe trench, thickness is 50mm;
D. the construction of described plant may further comprise the steps:
E. the construction of described microbial strains may further comprise the steps:
Tamed strain is tamed bacterial classification before throwing in wetland, domestication condition: DO:2-4mg/L, and 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;
2, a kind of technical process for efficient construction of vertical current constructed wetland according to claim 1 is characterized in that, the described lower floor of A piping installation step
In, 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 technical process for efficient construction of vertical current constructed wetland according to claim 1 is characterized in that, the described lower floor of A piping installation step
In, the catchment blowing angle of arm of lower floor is downward 45 °.
4, a kind of technical process for efficient construction of vertical current constructed wetland according to claim 1 is characterized in that, the installation of the described filler of B and construction procedure
Extremely
In, the porosity of filler is 38%-40%.
5, a kind of technical process for efficient construction of vertical current constructed wetland according to claim 1 is characterized in that, the described upper strata piping installation of C step
In, accurately smoothly with water level gauge after the upper strata house steward is connected with the upper strata water distribution branch pipe being, the upper strata house steward adjusts absolute altitude with wetland main body filler, and the upper strata water distribution branch pipe is adjusted absolute altitude with the filler of upper strata water distribution branch pipe pipe trench.
6, a kind of technical process for efficient construction of vertical current constructed wetland according to claim 1 is characterized in that, the construction procedure of the described microbial strains of E
In, the water yield of water inlet is to 20% of designed water afterwards.
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| CN2011102877635A CN102381765B (en) | 2011-09-26 | 2011-09-26 | Technical process for efficient construction of vertical current constructed wetland |
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| CN2011102877635A CN102381765B (en) | 2011-09-26 | 2011-09-26 | Technical process for efficient construction of vertical current constructed wetland |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103359893B (en) * | 2013-08-06 | 2015-02-18 | 山东建筑大学 | A sewage treatment and reclaimed-water reuse coupled system for landscape energy-efficient residential areas |
| CN206375729U (en) * | 2016-12-23 | 2017-08-04 | 深圳市碧园环保技术有限公司 | A kind of artificial swamp of landscape water circulation purification |
| 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 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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Inventor after: Song Haiyong Inventor after: Pi Jun Inventor after: Cao Feihua Inventor after: Zhou Shichao Inventor before: Lei Zhihong Inventor before: Pi Jun Inventor before: Cao Feihua Inventor before: Xiao Bo Inventor before: Zhou Shichao |
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