CN201648100U - Water flow purification apparatus for river slope protection - Google Patents

Water flow purification apparatus for river slope protection Download PDF

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Publication number
CN201648100U
CN201648100U CN2010201130457U CN201020113045U CN201648100U CN 201648100 U CN201648100 U CN 201648100U CN 2010201130457 U CN2010201130457 U CN 2010201130457U CN 201020113045 U CN201020113045 U CN 201020113045U CN 201648100 U CN201648100 U CN 201648100U
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China
Prior art keywords
wetland unit
wet land
land units
refining plant
thickness
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Expired - Fee Related
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CN2010201130457U
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Chinese (zh)
Inventor
王玉杰
赵占军
王云琦
张志强
杜仕才
孟凡超
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Beijing Forestry University
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Beijing Forestry University
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00Technologies for wastewater treatment
    • Y02W10/10Biological treatment of water, waste water, or sewage

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Abstract

The utility model relates to a water flow purification apparatus for river slope protection, the water flow purification apparatus comprises one or a plurality of vertical flow wet land units which comprises downflow wet land units and upflow wet land units; the bottoms of the downflow wet land units are communicated with the bottoms of the upflow wet land units mutually,; the bottom faces and the circumstance of the vertical flow wet land units are provided with concrete prefabricated baffle plates; baffles are arranged between the downflow wet land units and the upflow wet land units; filling materials are all arranged in the downflow wet land units and the upflow wet land units, the filling materials are composed of a gravel layer positioned in the lower part, a porcelain granule layer positioned in the middle part and a sand layer positioned in the upper part. According to the utility model, the stability of the water flow purification apparatus river slope protection is good, the damage to the ecologic environments at two sides of the river are small, the bank landscape is beautified, the biological diversity is increased, the cost is low, the effects of baffling and cleaning actions of the opposite pollution are good.

Description

A kind of current refining plant that is used for river course slope protection
Technical field
The utility model relates to the current refining plant of a kind of river course slope protection in the environmental engineering technical field, particularly a kind ofly can be used as the current refining plant that artificial swamp carries out river course slope protection.
Background technology
Existing river course slope protection technology is varied, can be divided into three types on natural style bank protection, hard bank protection and environmental bank protection substantially.The natural style bulkhead tech is the root system that utilizes the plant prosperity, with plant growing on the riverbank, root system of plant spread and the branch of root nodule has been fixed the soil body between the root system, thereby played the effect of reinforcement, make it solid native sand prevention, prevent erosion.But there is the shortcoming of less stable in this bank protection mode, the domatic formation erosion groove that easily washed away in the rainwater developed regions.River hard bank protection is meant the structure of being made up of hard stone or concrete material isolated fully with the soil body, and it mainly contains cement or placed rockfill shore protection, the cast-in-place several forms such as concrete revetment, precast concrete block shore protection of building.This traditional hard shore protection causes great harm to the river ecological environment, and the hard shore protection has been broken off unify contact between the river ecosystem of terrestrial ecosystem, and the environment of destroyed biological existence, perch, multiplying influences riverbank view and species diversity.The ecological revetment technology that generally adopts has multiple mode at present, as technology such as vegetation type eco-concrete, geotechnological material aggregate species phytyl, hinged bank protection, three-dimension vegetative net bank protections, the bank slope preserver there is effect preferably, and the bank slope view had some improvement, but to pollution of area source to hold back cleaning action limited, and cost is too high, promotes the use of to be restricted.
The utility model content
Technical problem to be solved in the utility model is: a kind of river course slope protection good stability is provided, maintenance destroys little and can beautify the riverbank view and increase species diversity to two sides, river ecotope, cost is lower, and surface pollution held back the effective current refining plant of cleaning action.
The utility model is achieved by the following technical solution: a kind of current refining plant that is used for river course slope protection, described current refining plant comprises one or more vertical-flow wetlands unit, described vertical-flow wetland unit comprises dirty wetland unit and upper reaches wetland unit, the bottom mutual conduction of the bottom of described dirty wetland unit and described upper reaches wetland unit; The unitary bottom surface of described vertical-flow wetland is provided with concrete prefabricated baffle plate around reaching, and is provided with dividing plate between described dirty wetland unit and the described upper reaches wetland unit; Be provided with filler in described dirty wetland unit and the described upper reaches wetland unit, described filler by the gravel bed that is positioned at the bottom, be positioned at the middle part haydite layer and superposed sand layer form.
Above-mentioned current refining plant, the thickness C of described sand layer are 8 centimetres to 10 centimetres.
Above-mentioned current refining plant, the ratio of the thickness B of described haydite layer and the thickness A of described gravel bed is: 0.4~0.8.
Above-mentioned current refining plant, the ratio of the thickness B of described haydite layer and the thickness A of described gravel bed is: 0.6.
Of the present utility model have a following beneficial technical effects: the utility model current refining plant is the domatic setting in road along the river, can avoid runoff erosion by the poised stream bank slope, when pollution of area source is flowed through the current refining plant simultaneously, current enter dirty wetland unit, flow through successively sand layer, haydite layer and gravel bed, enter the bottom of upper reaches wetland unit then, go out through gravel bed, haydite layer and sand laminar flow again, after this enter next vertical-flow wetland unit again.Therefore, the utility model current refining plant keep to destroy little to two sides, river ecotope and can beautify the riverbank view and increase species diversity, and cost is lower, to surface pollution to hold back cleaning action effective.And, can on described sand layer, plant reed, cattail, nutgrass flatsedge, rhizoma scirpi, Medulla Junci, Canna generalis Bailey, metasequoia, calamus, Scirpus tabernaemontani, arrowhead, water harmony grass, Alternanthera sessilis (L.) DC., Chinese celery, sedge a kind of or arbitrary combination wherein and form the staged green landscape.Filler such as the gravel in the artificial swamp, circle haydite and root system of plant and microorganism form microbial film, and when rainfall runoff carried a large amount of pollutents and enters the river course bank slope, a part of SS (suspended solid) in the runoff was stopped by plant and holds back; Sewage enters the utility model current refining plant, nitrogen in the sewage, a phosphorus part are directly absorbed as nutritive ingredient by plant and microorganism, a part is removed from sewage the excess accumulation effect of phosphorus by nitrated, denitrification and microorganism, is organicly removed by biomembranous son's wife and assimilation, dissimilation.The SS that also can remove in the runoff is held back in stopping of filler in the current refining plant and root system of plant.Filler is regularly replaced and gather in plant, can keep the high efficiency of native system pollutant removal.
Description of drawings
Fig. 1 is the structural representation of the utility model current refining plant;
Fig. 2 is the another kind of structural representation of the utility model current refining plant shown in Figure 1;
Fig. 3 is the utility model current refining plant concrete structural representation of using in river course slope protection;
Fig. 4 is the plan structure synoptic diagram of specifically using in river course slope protection in the utility model current refining plant shown in Figure 3.
1-grass planting ditch, 11-water outlet, 21-vertical-flow wetland unit, the dirty wetland unit of 211-, 212-upper reaches wetland unit, 31-gravel bed, 32-haydite layer, 33-sand layer, 4-rising pipe, the concrete prefabricated baffle plate of 5-, 6-dividing plate.
Embodiment
Embodiment 1
As depicted in figs. 1 and 2, the current refining plant that is used for river course slope protection of present embodiment comprises one or more vertical-flow wetlands unit 21, described vertical-flow wetland unit 21 comprises dirty wetland unit 211 and upper reaches wetland unit 212, the bottom mutual conduction of the bottom of described dirty wetland unit 211 and described upper reaches wetland unit 212; The bottom surface of described vertical-flow wetland unit 21 is provided with concrete prefabricated baffle plate 5 around reaching, and is provided with dividing plate 6 between described dirty wetland unit 211 and the described upper reaches wetland unit 212; Be provided with filler in described dirty wetland unit 211 and the described upper reaches wetland unit 212, described filler by the gravel bed 31 that is positioned at the bottom, be positioned at the middle part haydite layer 32 and superposed sand layer 33 form.The thickness C of described sand layer 33 is 10 centimetres.The ratio of the thickness A of the thickness B of described haydite layer 32 and described gravel bed 31 is: 0.6.
The utility model current refining plant is the domatic setting in road along the river, can avoid runoff erosion by the poised stream bank slope, when pollution of area source is flowed through the current refining plant simultaneously, current enter dirty wetland unit 211, flow through successively sand layer 33, haydite layer 32 and gravel bed 31, enter the bottom of upper reaches wetland unit 212 then, flow out through gravel bed 31, haydite layer 32 and sand layer 33 again, after this enter next vertical-flow wetland unit 21 again.Therefore, the utility model current refining plant keep to destroy little to two sides, river ecotope and can beautify the riverbank view and increase species diversity, and cost is lower, to surface pollution to hold back cleaning action effective.
In some other embodiment, the thickness C of described sand layer 33 can be 8 centimetres to 10 centimetres any number, the ratio of the thickness A of the thickness B of described haydite layer 32 and described gravel bed 31 can be any number between 0.4~0.8, all can realize the foregoing invention purpose.
Embodiment 2
To shown in Figure 4, present embodiment current refining plant concrete application in river course slope protection comprises the steps: at first on domatic grass planting ditch 1 to be set, and makes that the cross section of described grass planting ditch 1 is a V-type, and plant plant in described grass planting ditch 1 as Fig. 3.Next is at water outlet 11 places of described grass planting ditch 1 the current refining plant to be set, in described current refining plant, be filled with filler, described filler is positioned at the gravel bed 31 of bottom, the haydite layer 32 that is positioned at the middle part and superposed sand layer 33 and forms, the thickness C of described sand layer 33 is 10 centimetres, and the ratio of the thickness A of the thickness B of haydite layer 32 and described gravel bed 31 is: 0.6.And kind is implanted with reed, cattail, nutgrass flatsedge, rhizoma scirpi, Medulla Junci, Canna generalis Bailey, metasequoia, calamus, Scirpus tabernaemontani, arrowhead, water harmony grass, Alternanthera sessilis (L.) DC., Chinese celery and sedge on described sand layer 33.Described current refining plant is made up of stepped vertical-flow wetland unit 21, described vertical-flow wetland unit 21 comprises dirty wetland unit 211 and upper reaches wetland unit 212, the bottom mutual conduction of the bottom of described dirty wetland unit 211 and described upper reaches wetland unit 212, flow into described vertical-flow wetland unit 21 from the water outlet 11 effusive water of described grass planting ditch 1 from described dirty wetland unit 211, bottom from described dirty wetland unit 211 flows into described upper reaches wetland unit 212 then, flows out from the top of described upper reaches wetland unit 212 at last to enter next described vertical-flow wetland unit 21.Around reaching, the bottom surface of described vertical-flow wetland unit 21 is provided with concrete prefabricated baffle plate 5, also be provided with dividing plate 6 between described dirty wetland unit 211 and the described upper reaches wetland unit 212, be provided with water stream channel between the bottom surface of described vertical-flow wetland unit 21 and the described dividing plate 6 so that in the described dirty wetland unit 211 current can enter described upper reaches wetland unit 212 from described water stream channel.Once more, a side of closing on the river course at described current refining plant 2 sets out water pipe 4, so that enter the river course from described current refining plant 2 effusive water.Described concrete prefabricated baffle plate 5 can prefabricated production in factory, also can cast in situs, as long as guarantee 21 bottoms, described vertical-flow wetland unit and around try one's best waterproof.
Pollute from the two sides, river course to the process of river course stream in the source face to face, and area source pollutants flows in the grass planting ditch, and the plant in the grass planting ditch can play certain interception function that stops to the SS in the pollutent.Pollutent imports described current refining plant under the effect of gravity, enter each dirty wetland unit 211 from top to bottom, enter described upper reaches wetland unit 212 then again from bottom to top, and between per two adjacent described vertical-flow wetland unit 21, form drop, increase the pollutent oxygen level.The plant of plantation can absorb the rich nutritive material in the pollutent in the described vertical-flow wetland unit 21, filler gravel, haydite surface form the microbial film degradation of contaminant, through multistage absorption, absorption and degraded, last sewage is purified after water shoot flows into the river, thereby reach the purpose that purifies the sewage that flows into the river.
The advantage of present embodiment current refining plant and effect are and can avoid runoff erosion by the poised stream bank slope, simultaneously pollution of area source are converged, and enter the river course after focusing on through the current refining plant.Filler and root system of plant and microorganism formation microbial films such as the gravel in the artificial swamp, circle haydite, when rainfall runoff carries a large amount of pollutents and enters the river course bank slope, the ecological brick grass planting ditch of at first flowing through, a part of SS (suspended solid) in the runoff are stopped by the plant in the grass planting ditch to be held back.Sewage enters composite vertical current artificial wetland, nitrogen in the sewage, a phosphorus part are directly absorbed as nutritive ingredient by plant and microorganism, a part is removed from sewage the excess accumulation effect of phosphorus by nitrated, denitrification and microorganism, is organicly removed by biomembranous son's wife and assimilation, dissimilation.The SS that also can remove in the runoff is held back in stopping of filler in the composite vertical current artificial wetland and root system of plant.Filler is regularly replaced and gather in plant, can keep the high efficiency of native system pollutant removal.The utility model is implanted reed, cattail, nutgrass flatsedge, rhizoma scirpi, Medulla Junci, Canna generalis Bailey, metasequoia, calamus, Scirpus tabernaemontani, arrowhead, water harmony grass, Alternanthera sessilis (L.) DC., Chinese celery, sedge a kind of or arbitrary combination wherein in artificial swamp.Vertical current constructed wetland forms the staged green landscape.Make the river course slope protection good stability, two sides, river ecotope kept destroying little and can beautify the riverbank view and increase species diversity that cost is lower, to surface pollution to hold back cleaning action effective.Clearance to pollution substance is very high, and the clearance of TN, TP, COD is reached more than 85%, handles after stain thing Ph value and is tending towards neutrality.
In other embodiment, the thickness C of described sand layer 33 can be any number between 8 centimetres to 10 centimetres, the ratio of the thickness A of the thickness B of haydite layer 32 and described gravel bed 31 can be any number between 0.4 to 0.8, all can realize utility model purpose of the present utility model, make very high to the clearance of pollution substance, clearance to TN, TP, COD reaches more than 70%, handles after stain thing Ph value and is tending towards neutral.The thickness C of preferred described sand layer 33 can be 10 centimetres, the ratio 0.6 of the thickness A of the thickness B of haydite layer 32 and described gravel bed 31.
In other embodiments, according to actual needs, can plant reed, cattail, nutgrass flatsedge, rhizoma scirpi, Medulla Junci, Canna generalis Bailey, metasequoia, calamus, Scirpus tabernaemontani, arrowhead, water harmony grass, Alternanthera sessilis (L.) DC., Chinese celery or sedge respectively at described dirty wetland unit 211 and described upper reaches wetland unit 212, make that the effect of riverbank landscape effect and removal pollutent is best.The plant of planting on the described filler can be selected according to local condition, is not limited to the several of description described in the utility model.Also can finally from the river, remove pollutent by periodic replacement filler and harvesting plant.

Claims (4)

1. current refining plant that is used for river course slope protection, it is characterized in that, described current refining plant comprises one or more vertical-flow wetlands unit (21), described vertical-flow wetland unit (21) comprises dirty wetland unit (211) and upper reaches wetland unit (212), the bottom mutual conduction of the bottom of described dirty wetland unit (211) and described upper reaches wetland unit (212); The bottom surface of described vertical-flow wetland unit (21) is provided with concrete prefabricated baffle plate (5) around reaching, and is provided with dividing plate (6) between described dirty wetland unit (211) and the described upper reaches wetland unit (212); Be provided with filler in described dirty wetland unit (211) and the described upper reaches wetland unit (212), described filler by the gravel bed that is positioned at the bottom (31), be positioned at the middle part haydite layer (32) and superposed sand layer (33) form.
2. current refining plant according to claim 1 is characterized in that, the thickness C of described sand layer (33) is 8 centimetres to 10 centimetres.
3. current refining plant according to claim 2 is characterized in that, the ratio of the thickness A of the thickness B of described haydite layer (32) and described gravel bed (31) is: 0.4~0.8.
4. current refining plant according to claim 3 is characterized in that, the ratio of the thickness A of the thickness B of described haydite layer (32) and described gravel bed (31) is: 0.6.
CN2010201130457U 2010-02-08 2010-02-08 Water flow purification apparatus for river slope protection Expired - Fee Related CN201648100U (en)

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Application Number Priority Date Filing Date Title
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104674765A (en) * 2015-03-10 2015-06-03 扬州大学 Self-locking ecological concrete channel protecting slope with embedded ceramic particles
CN106430598A (en) * 2016-09-26 2017-02-22 格丰环保科技有限公司 Ecological protection slope for restoring and controlling black and odorous water body
CN106952550A (en) * 2016-01-06 2017-07-14 中国科学院沈阳应用生态研究所 It is a kind of stepwise to descend water level regulation analogue means

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104674765A (en) * 2015-03-10 2015-06-03 扬州大学 Self-locking ecological concrete channel protecting slope with embedded ceramic particles
CN106952550A (en) * 2016-01-06 2017-07-14 中国科学院沈阳应用生态研究所 It is a kind of stepwise to descend water level regulation analogue means
CN106430598A (en) * 2016-09-26 2017-02-22 格丰环保科技有限公司 Ecological protection slope for restoring and controlling black and odorous water body
CN106430598B (en) * 2016-09-26 2024-01-30 格丰环保科技有限公司 Ecological bank protection is administered in restoration of black and odorous water body

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C17 Cessation of patent right
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Granted publication date: 20101124

Termination date: 20130208