CN103449610A - Wave-type flow artificial wetland system using levee slopes and construction method - Google Patents
Wave-type flow artificial wetland system using levee slopes and construction method Download PDFInfo
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- CN103449610A CN103449610A CN2013104151133A CN201310415113A CN103449610A CN 103449610 A CN103449610 A CN 103449610A CN 2013104151133 A CN2013104151133 A CN 2013104151133A CN 201310415113 A CN201310415113 A CN 201310415113A CN 103449610 A CN103449610 A CN 103449610A
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- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
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Abstract
The invention provides a wave-type flow artificial wetland system using levee slopes and a construction method. The construction method comprises the following steps of: sequentially arranging N stages of ecological concrete grooves parallel to the length directions of the levee slopes side by side along the gradient directions of the levee slopes, respectively arranging matrixes in the grooves, planting wetland plants on the matrixes, arranging pipelines parallel to the length directions of the levee slopes and used for guiding wastewater to be treated at the upstream of a river channel into the grooves at the upper parts of the first stage of ecological concrete grooves, which are close to one sides of levee crowns, forming multiple water outlets on the walls of the lower parts of the pipelines, forming water flow paths in each stage of ecological concrete grooves, forming a wave-shaped water route by connecting the N water flow paths in the N stages of ecological concrete grooves end to end, and forming water outlets for discharging filtered and purified water in the last stage of ecological concrete grooves into the downstream of the river channel at one sides of the last stage of ecological concrete grooves, which are close to tail ends of the levee slopes. The construction method has the advantages that in city channels, the artificial wetland system is constructed by using a banding landscape greening zone from dikes to river banks, and the problem that the area occupied the artificial wetland system is limited, is solved.
Description
Technical field
The present invention relates to a kind of artificial swamp.Particularly relate to a kind of ripple formula turning flow artificial wetland structure and construction process that utilizes levee slope.
Background technology
Artificial wet land system originates from the 1950's, artificial the construction and the ecosystem of the plant of controlling run, matrix, microorganism, by physics, chemistry, biological actions such as filtration, absorption, precipitation, ion-exchange, plant absorption and microorganism decomposition, realize the complex ecological engineering to sewage, waste water, purifying of the hypertrophic water system.
Compare the purification pattern of traditional wastewater treatment plant, artificial wet land system has the advantages such as less investment, running cost are low, respond well, less energy-consumption.The American-European artificial swamp statistic data put into operation shows, its comprehensive cost is only 1/2 to 1/10 of second-stage treatment factory.Take rural area as base medium and small industrial and mining enterprises growing, and the landscape water demand increases severely and water resources shortage between under the national conditions background of contradiction, pay attention to and the development Artificial Wetland Techniques seems particularly important.
According to water flow mode difference, artificial wet land system is divided into surface current artificial wetland, horizontal drowned flow artificial wet land, vertical subsurface flow wetland usually.Surface stream wetland and swampland are similar, and sewage flows through from stromal surface.Undercurrent is to allow sewage through matrix deep layer, the synergy of more effective performance matrix and plant, microorganism.Most artificial wet land systems utilizes two or more type wetland associatings, and the environment by construction anaerobic-aerobic alternate run, promote the removal to N, P, COD, BOD, SS, intestinal bacteria, heavy metal etc.
The effect of artificial swamp, should only not be confined to town sewage and purify, and on the landscape water utilization of resources of city river and guarantee water quality, should bring into play larger effect yet.The advantages such as although artificial wet land system has low cost, less energy-consumption, working cost is low, ecological effect is good,, current existing artificial wet land system, compare the B-grade sewage processing mode, and floor space is greatly to become unique shortcoming that it can not widely be promoted.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of and save floor occupying area and function a kind of ripple formula turning flow artificial wet land system and construction process that utilizes levee slope attractive in appearance.
The technical solution adopted in the present invention is: a kind of ripple formula turning flow artificial wet land system that utilizes levee slope, include levee slope, on described levee slope and along the gradient direction of described levee slope successively side by side be provided with the eco-concrete groove that the N level is parallel to the levee slope length direction, wherein N is greater than 1 integer, be respectively arranged with matrix in described N level eco-concrete groove, plant and be implanted with wetland plant on described matrix, the top of contiguous levee crown one side of described first step eco-concrete groove be provided be parallel to the levee slope length direction for importing the pipeline of upstream, river course treatment sewage, on the bottom tube wall of described pipeline, have a plurality of for import the water outlet of upstream treatment sewage in described first step eco-concrete groove, be formed with the stream of water in every grade of eco-concrete groove, form the waveform water route by the stream of N described water is end to end in N level eco-concrete groove, in the end a side of the contiguous levee slope tail end of one-level eco-concrete groove is provided with the water outlet that enters the downstream, river course for the water after this grade of eco-concrete groove groove inner filtration purified.
Described waveform water route is, rise in the bottom of the eco-concrete groove of odd bits and have the limbers, bottom be connected with described next stage eco-concrete groove by levee crown, on the top of the eco-concrete groove of even bit, have the limbers, top be connected with next stage eco-concrete groove.
The interior matrix of direction eco-concrete groove that described N level is parallel to levee slope length is different types of matrix, thereby forms the plant bed body of N different substrates.
A kind of construction process that utilizes the ripple formula turning flow artificial wet land system of levee slope, comprise the steps:
1) on the river course levee slope, along the gradient direction of described levee slope successively side by side be provided with the eco-concrete groove that the N level is parallel to the levee slope length direction, wherein N is greater than 1 integer;
2) in N level eco-concrete groove, different types of matrix is housed respectively, and plants and be implanted with the wetland plant that water quality pollutant is had to cleaning action in eco-concrete grooves at different levels;
3) on the top of contiguous levee crown one side of the 1st grade of eco-concrete groove, be provided be parallel to the levee slope length direction for upstream, river course treatment sewage being imported to the pipeline of the 1st grade of eco-concrete groove, have a plurality of water outlets on the tube wall of described pipeline bottom;
4) be formed with the stream of water in every grade of eco-concrete groove, thereby form so that the maximum contacting substrate of sewage increases the waveform water route of decontamination effect by the stream of N described water is end to end in N level eco-concrete groove;
5) in the end a side of the contiguous levee slope tail end of one-level eco-concrete groove is provided with the water outlet that enters the downstream, river course for the water after this grade of eco-concrete groove groove inner filtration purified;
6) utilize water pump treatment sewage to be evacuated to nearly levee crown top from the upstream, river course, introduce first step eco-concrete groove by the pipeline that is parallel to dike, and, along waveform water route filtration, purification successively, finally enter the downstream, river course, complete the filtration, purification of upstream treatment sewage.
The formation in the described waveform of step 4) water route is: risen in the bottom of the eco-concrete groove of odd bits and had the limbers, bottom be connected with described next stage eco-concrete groove by levee crown, on the top of the eco-concrete groove of even bit, have the limbers, top be connected with next stage eco-concrete groove.
A kind of ripple formula turning flow artificial wet land system and construction process that utilizes levee slope of the present invention, in city river, utilize the Belt scenery afforested areas construction artificial wet land system of dyke to riverbank, solved the limited defect of artificial wet land system land used.Sewage is plant bed by a plurality of series connection, by root system of plant microbial film absorption and with the physics chemical action of matrix, remove the dissolved organic matter such as N, P and reduce COD, BOD.The present invention, sewage completes longitudinal stream by the pipeline that is parallel to dike at beginning of cycle, and completes ripple formula stream by the planting groove of notch cuttype, has formed the maximum contact area of sewage and matrix, and built sufficient Aerobic-anaerobic environment, for except N necessary nitrated-anti-nitration reaction creates conditions.Realized thus multi-level farthest purification of water quality, in the situation that additionally do not take the ecology processing that urban land has been realized sewage.The present invention utilizes the extensive popularization of artificial wet land system river training water quality technology to produce active effect to promoting.
The accompanying drawing explanation
Fig. 1 is the section structure schematic diagram of ripple formula turning flow artificial wet land system of the present invention.
Wherein:
1: levee crown 2: pipeline
3: eco-concrete groove 4: wetland plant
5: matrix 6: water outlet
7: first step eco-concrete groove 8: limbers, bottom
9: second stage eco-concrete groove 10: limbers, top
11: third stage eco-concrete groove 12: water outlet
13: levee slope 14: the river course water surface
Embodiment
Below in conjunction with embodiment and accompanying drawing, a kind of ripple formula turning flow artificial wet land system and construction process of levee slope of utilizing of the present invention is described in detail.
For artificial wet land system is being played a greater role aspect river training water quality better, evade the unfavorable factor that the artificial wet land system floor space is large, for utilizing the minimum larger purification of water quality processing effect of space performance, the invention provides a kind of ripple formula turning flow artificial wet land system and construction process that utilizes levee slope simultaneously.
As shown in Figure 1, a kind of ripple formula turning flow artificial wet land system that utilizes levee slope of the present invention, include levee slope 13, on described levee slope 13 and along the gradient direction of described levee slope 13 successively side by side be provided with the eco-concrete groove 3 that the N level is parallel to levee slope 13 length directions, wherein N is greater than 1 integer, be respectively arranged with matrix 5 in described N level eco-concrete groove 3, the interior matrix 5 of direction eco-concrete groove 3 that described N level is parallel to levee slope 13 length is different types of matrix, thereby forms the plant bed body of N different substrates 5.Plant and be implanted with wetland plant 4 on described matrix 5, the top of described first step eco-concrete groove 7 contiguous levee crown 1 one sides be provided be parallel to levee slope 13 length directions for importing the pipeline 2 of upstream, river course treatment sewage, on the bottom tube wall of described pipeline 2, have a plurality ofly for the water outlet 6 to described first step eco-concrete groove 7 interior importing upstream treatment sewages, the water outlet 6 on described pipeline 2 bottom tube walls is equidistant setting or is the setting of unequal-interval.Be formed with the stream of water in every grade of eco-concrete groove 3, stream tandem array by N described water in N level eco-concrete groove 3 forms the waveform water route, the concrete formation in described waveform water route is, bottom by 1 groove of the eco-concrete in odd bits 3 of levee crown has the limbers, bottom 8 be connected with described next stage eco-concrete groove 3, on the top of the eco-concrete groove 3 of even bit, has the limbers, top 10 be connected with next stage eco-concrete groove 3.In the end a side of one-level eco-concrete groove 3 contiguous levee slope 13 tail ends is provided with the water outlet 12 that enters the downstream, river course for the water after this grade of eco-concrete groove 3 groove inner filtrations are purified.
The present invention utilizes water pump treatment sewage to be evacuated to the top of nearly levee crown 1 from the upstream, river course, by the pipeline 2 that is parallel to dike, at beginning of cycle, completes longitudinal stream, by sewage matrix and interbiotic having flowed to the purpose of its purification.
A kind of construction process that utilizes the ripple formula turning flow artificial wet land system of levee slope of the present invention, comprise the steps:
1) on river course levee slope 13, along the gradient direction of described levee slope 13 successively side by side the eco-concrete groove 3 that the N level is parallel to levee slope 13 length directions is set, wherein N is greater than 1 integer;
2) different types of matrix 5 is housed respectively N level eco-concrete groove 3 is interior, and is implanted with in the interior kind of eco-concrete grooves 3 at different levels the wetland plant 4 that water quality pollutant is had to cleaning action;
3) on the top of contiguous levee crown 1 one sides of first step eco-concrete groove 7, be provided be parallel to levee slope 13 length directions for upstream, river course treatment sewage being imported to the pipeline 2 of first step eco-concrete groove 7, the first-class distance of described pipeline 2 bottom tube wall or not equidistantly be provided with a plurality of water outlets 6;
4) be formed with the stream of water in every grade of eco-concrete groove 3, the stream tandem array by N described water in N level eco-concrete groove 3 forms the waveform water route, thereby so that the maximum contacting substrate 5 of sewage increases the decontamination effect; The formation in described waveform water route is: by 1 of levee crown, bottom at the eco-concrete groove 3 of odd bits has the limbers, bottom 8 be connected with next stage eco-concrete groove 3, on the top of the eco-concrete groove 3 of even bit, has the limbers, top 10 be connected with next stage eco-concrete groove 3;
5) in the end a side of one-level eco-concrete groove 3 contiguous levee slope 13 tail ends is provided with the water outlet 12 that enters the downstream, river course for the water after this grade of eco-concrete groove 3 groove inner filtrations are purified;
6) utilize water pump treatment sewage to be evacuated to nearly levee crown 1 top from the upstream, river course, introduce first step eco-concrete groove 7 by the pipeline 2 that is parallel to dike, and, along waveform water route filtration, purification successively, finally enter the downstream, river course, complete the filtration, purification of upstream treatment sewage.
A kind of ripple formula turning flow artificial wet land system and construction process that utilizes levee slope of the present invention, at first utilize water pump treatment sewage to be evacuated to the top of nearly levee crown 1 from the upstream, river course, by the pipeline 2 that is parallel to levee slope 13 length directions, at beginning of cycle, completes longitudinal stream.Utilize gradient levee slope 13 to construct multi-stage ecological concrete pit 3, plant wetland plant 4, form the plant bed body of a plurality of different substrates 5; Sewage by equidistant water outlet 6 notes of above-mentioned pipeline lower end in first step eco-concrete groove 7 topmost; Sewage 8 flows into second stage eco-concrete grooves 9 by first step eco-concrete groove 7 is descending from the limbers, bottom; Sewage goes upward to limbers, top 10 through second stage eco-concrete groove 9 again, flows into third stage eco-concrete groove 11; Sewage continues to proceed to N level eco-concrete groove along the stair-stepping eco-concrete groove 3 of levee slope successively; After sewage completes filtration, purification, the final water outlet 12 that is N level eco-concrete groove lower end from last step enters the downstream, river course.Press said process, make the sewage of upstream, river course constantly after N level eco-concrete groove 3 filtration, purifications, enter the downstream, river course successively.
Claims (5)
1. a ripple formula turning flow artificial wet land system that utilizes levee slope, include levee slope (13), it is characterized in that, at described levee slope (13) upper and along the gradient direction of described levee slope (13) successively side by side be provided with the eco-concrete groove (3) that the N level is parallel to levee slope (13) length direction, wherein N is greater than 1 integer, be respectively arranged with matrix (5) in described N level eco-concrete groove (3), the upper kind of described matrix (5) is implanted with wetland plant (4), the top of contiguous levee crown (1) one side of described first step eco-concrete groove (7) is provided with the pipeline (2) for importing upstream, river course treatment sewage that is parallel to levee slope (13) length direction, on the bottom tube wall of described pipeline (2), have a plurality of for import the water outlet (6) of upstream treatment sewage in described first step eco-concrete groove (7), be formed with the stream of water in every grade of eco-concrete groove (3), form the waveform water route by the stream of N described water is end to end in N level eco-concrete groove (3), in the end a side of contiguous levee slope (13) tail end of one-level eco-concrete groove (3) is provided with the water outlet (12) that enters the downstream, river course for the water after this grade of eco-concrete groove (3) groove inner filtration is purified.
2. a kind of ripple formula turning flow artificial wet land system that utilizes levee slope according to claim 1, it is characterized in that, described waveform water route is, rise in the bottom of the eco-concrete groove (3) of odd bits and have the limbers, bottom (8) be connected with described next stage eco-concrete groove (3) by levee crown (1), on the top of the eco-concrete groove (3) of even bit, have the limbers, top (10) be connected with next stage eco-concrete groove (3).
3. a kind of ripple formula turning flow artificial wet land system that utilizes levee slope according to claim 1, it is characterized in that, the interior matrix (5) of direction eco-concrete groove (3) that described N level is parallel to levee slope (13) length is different types of matrix, thereby forms the plant bed body of N different substrates (5).
4. a construction process that utilizes the ripple formula turning flow artificial wet land system of levee slope claimed in claim 1, is characterized in that, comprises the steps:
1) upper at river course levee slope (13), along the gradient direction of described levee slope (13) successively side by side be provided with the eco-concrete groove (3) that the N level is parallel to levee slope (13) length direction, wherein N is greater than 1 integer;
2) different types of matrix (5) is housed respectively in N level eco-concrete groove (3), and plants and be implanted with the wetland plant (4) that water quality pollutant is had to cleaning action in eco-concrete grooves at different levels (3);
3) on the top of contiguous levee crown (1) one side of the 1st grade of eco-concrete groove (7), be provided be parallel to levee slope (13) length direction for upstream, river course treatment sewage being imported to the pipeline (2) of the 1st grade of eco-concrete groove (7), have a plurality of water outlets (6) on the tube wall of described pipeline (2) bottom;
4) be formed with the stream of water in every grade of eco-concrete groove (3), in N level eco-concrete groove (3) by the stream of N described water end to end form so that the maximum contacting substrate of sewage (5) thus increase the waveform water route of decontamination effect;
5) in the end a side of contiguous levee slope (13) tail end of one-level eco-concrete groove (3) is provided with the water outlet (12) that enters the downstream, river course for the water after this grade of eco-concrete groove (3) groove inner filtration is purified;
6) utilize water pump treatment sewage to be evacuated to nearly levee crown (1) top from the upstream, river course, introduce first step eco-concrete groove (7) by the pipeline (2) that is parallel to dike, and, along waveform water route filtration, purification successively, finally enter the downstream, river course, complete the filtration, purification of upstream treatment sewage.
5. the construction process that utilizes the ripple formula turning flow artificial wet land system of levee slope according to claim 4, it is characterized in that, the formation in the described waveform of step 4) water route is: risen in the bottom of the eco-concrete groove (3) of odd bits and had the limbers, bottom (8) be connected with described next stage eco-concrete groove (3) by levee crown (1), on the top of the eco-concrete groove (3) of even bit, have the limbers, top (10) be connected with next stage eco-concrete groove (3).
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103993579A (en) * | 2014-05-26 | 2014-08-20 | 天津大学 | Riverside ecological multi-dimensional circulating type wet land slow-flow infiltration pollutant intercepting system |
| CN104045161A (en) * | 2014-06-20 | 2014-09-17 | 上海同瑞环保科技有限公司 | Method and system for purifying water |
| CN106396286A (en) * | 2016-11-29 | 2017-02-15 | 中冶华天工程技术有限公司 | Multi-stage ecological water tank and ecological pond combined system |
| CN108017228A (en) * | 2017-11-14 | 2018-05-11 | 河海大学 | A kind of sewage plant tail water purification bypass hybrid system for being applied to closing river moisturizing |
| CN109457662A (en) * | 2018-10-31 | 2019-03-12 | 河海大学 | A kind of riverbank purification tank installation method having ecological slope protection and water quality purification function concurrently |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103993579A (en) * | 2014-05-26 | 2014-08-20 | 天津大学 | Riverside ecological multi-dimensional circulating type wet land slow-flow infiltration pollutant intercepting system |
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| CN108017228A (en) * | 2017-11-14 | 2018-05-11 | 河海大学 | A kind of sewage plant tail water purification bypass hybrid system for being applied to closing river moisturizing |
| CN109457662A (en) * | 2018-10-31 | 2019-03-12 | 河海大学 | A kind of riverbank purification tank installation method having ecological slope protection and water quality purification function concurrently |
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Application publication date: 20131218 |