CN106869079A - A kind of water course in situ purification and water storage system - Google Patents
A kind of water course in situ purification and water storage system Download PDFInfo
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- CN106869079A CN106869079A CN201710211993.0A CN201710211993A CN106869079A CN 106869079 A CN106869079 A CN 106869079A CN 201710211993 A CN201710211993 A CN 201710211993A CN 106869079 A CN106869079 A CN 106869079A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/02—Stream regulation, e.g. breaking up subaqueous rock, cleaning the beds of waterways, directing the water flow
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
- C02F3/322—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae use of algae
- C02F3/325—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae use of algae as symbiotic combination of algae and bacteria
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
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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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- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
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Abstract
The invention discloses a kind of purification of water course in situ and water storage system, it is related to environmental protection technical field, dam is percolated including shallow, sunk type ecological pond under the preceding water reserve free water surface wetland system in dam and dam, shallow diafiltration dam is arranged on the riverbed bottom in river course, the width on shallow diafiltration dam is identical with the width in river course, the preceding water reserve free water surface wetland system in dam is arranged in the river course in front of shallow diafiltration dam, sunk type ecological pond is arranged under the riverbed Bottom Altitude in the rear river course on shallow diafiltration dam under dam, shallow diafiltration dam includes blocking water layer and is arranged on the filter layer blocked on water layer.Shallow diafiltration dam can intercept certain river makes retaining in the preceding water reserve free water surface wetland system in dam, increase water resource recoverable amount, again can under dam sunk type ecological pond unpowered water distribution mechanism is provided, preliminary sedimentation, filtering can be also carried out to water simultaneously and is purified, sunk type ecological pond is built under the Bottom Altitude of riverbed under dam, on flood passage without influence, with catharsis and water storage function.
Description
Technical field
The present invention relates to environmental protection technical field, more particularly to a kind of water course in situ is purified and water storage system.
Background technology
At present, under the overall background of sponge urban construction, all parts of the country have been in full swing for the improvement of black-odor riverway.It is right
In the polluted river channel of water deficiency type, although by various means to land-based area pollute administer, can reduce to a certain extent into
Enter the pollutional load in river course, river course is black smelly and improvement water quality has definite meaning to eliminating.But also many pollutants can pass through
Various channels enter pollution of river river, cause new pollution, and few in river water, without external clear water supplement, self-purification capacity
In the case of weak, it is necessary to strengthen river pollution purification in itself, could preferably reach and eliminate black target that is smelly, improving water quality.
To solve water deficiency type river course dry season few water or anhydrous predicament, existing method is to build to block water in river course mostly
Weir or rubber dam etc., these facilities can raise water level, and a water reserve is formed before dam, can to a certain extent ensure river course
Ecological water demand, while can reduce when flood occurs washed away to riverbank again.But its weak point is built if blocking mill weir
It is too high, flood passage can be adversely affected, and also it is little to the catharsis of water quality, it is difficult to meet to river sewage purified in situ
The need for.And processed if river sewage is transported to outside river course, then again many in the presence of taking up an area, energy consumption is high to wait not enough, therefore,
Needing offer one kind can meet flood passage requirement, and the purification of the water course in situ with energy-conservation, the benefit that saves land and water storage system.
The content of the invention
It is an object of the invention to provide a kind of purification of water course in situ and water storage system, to solve what above-mentioned prior art was present
Problem, realize to the purified in situ of polluted river water with store, can meet flood passage requirement, but with energy-conservation, save land benefit.
To achieve the above object, the invention provides following scheme：
The present invention provides a kind of water course in situ purification and water storage system, including the preceding water reserve surface stream in shallow diafiltration dam, dam
Sunk type ecological pond under wet land system and dam, the shallow diafiltration dam is arranged on the riverbed bottom in river course, the shallow diafiltration
The width on dam is identical with the width in river course, and the preceding water reserve free water surface wetland system in dam is arranged on the shallow diafiltration dam front
River course in, under the dam sunk type ecological pond be arranged on the rear river course on shallow diafiltration dam riverbed Bottom Altitude it
Under, the shallow diafiltration dam includes blocking water layer and is arranged on the filter layer blocked on water layer.
Preferably, for reinforced concrete floor, thickness is 4~5m to the water layer that blocks, be highly higher by river course bed level of the river 40~
60cm；Described to block the groove being provided with the top of water layer for installing the filter layer, the depth of the groove is 15~20cm, described
Width and thickness of the width and thickness of groove respectively with the filter layer are identical；The filter layer is lattice guest's gabion filter layer,
The thickness of the filter layer is 2~3m, and the height of the filter layer is 50~60cm.
Preferably, under the dam sunk type ecological pond delivery port elevation less than 0.3 meter of shallow diafiltration height of dam journey with
On.
Preferably, sunk type ecological pond both sides are provided with the pool ridge under the dam, and the pool ridge is included in sunk type under the dam
The anti-seepage geotextile layer and lattice guest gabion layer set gradually from the bottom to top on the native country of ecological pond both sides compacting, the slope on the pool ridge
Spend is 1:2, the lattice guest gabion thickness degree is 0.3m；When channel width is more than 20m, under the dam pool of sunk type ecological pond
The ridge is not less than 3m apart from river course both sides shore protection toe horizontal range；When channel width is less than 10m, sunk type is ecological under the dam
The pool ridge on the pool is not less than 1.5m apart from river course both sides shore protection toe horizontal range.
Preferably, the depth of sunk type ecological pond is 1.1~1.3m under the dam, and bottom is equipped with the thick gravels of 10~30cm
Stone, the gradient at the pool bottom of sunk type ecological pond and original riverbed that the river course of sunk type ecological pond under the dam is set under the dam
Bottom slope is identical, and the length of sunk type ecological pond is not more than 50 meters under the dam.
Preferably, the preceding water reserve free water surface wetland system in the dam includes the hypothallus being laid on the bottom of riverbed, described
The two side areas kind of hypothallus is implanted with emergent aquactic plant, and the central region kind of the hypothallus is implanted with submerged plant.
Preferably, the emergent aquactic plant includes one or more in Scirpus tabernaemontani, cattail and rush, the submerged plant bag
Include one or more in eel grass, water caltrop and black algae；Being delivered in the water body of the preceding water reserve free water surface wetland system in dam has tool
There is the complex microbial community of high-efficient purification effect, also plantation has artificial aquatic weed, the preceding water reserve table in dam on the hypothallus
The first fountain type aerator is provided with the water body of surface current wet land system.
Preferably, under the dam in sunk type ecological pond plant be implanted with various perennial emergent aquactic plants, it is preferred that it is described for many years
Raw emergent aquactic plant includes at least two in typha angustifolia, typha orientalis, common cattail, Scirpus tabernaemontani, rush and Siberian iris
Kind, plantation averag density is 9 plants/square metre, and every kind of perennial emergent aquactic plant is planted by organizational or segmented, different cultivars
Isolating bar is provided between perennial emergent aquactic plant to be isolated.
Preferably, the rear portion of sunk type ecological pond is provided with water fender under the dam, and the height of the water fender is higher than described
More than the delivery port 30cm of sunk type ecological pond under dam, the width of the water fender and the width of sunk type ecological pond under the dam
Identical, the thickness of the water fender is 8~12cm, under the water fender and the dam between the side wall at sunk type ecological pond rear portion
Distance be 25~35cm, the water fender bottom is provided with multiple support feets, sinks under the bottom of the support feet and the dam
The pool bottom contact of formula ecological pond, was provided with the mouth of a river between two adjacent support feets, the mouth of a river of crossing is provided with detachably
Grid.
Preferably, the second fountain type aerator and biofilm carrier filler are provided with the dam in sunk type ecological pond.
The present invention achieves following technique effect relative to prior art：
Water course in situ purification and water storage system that the present invention is provided, including the preceding water reserve surface stream in shallow diafiltration dam, dam are wet
Sunk type ecological pond under ground system and dam, shallow diafiltration dam can intercept certain river makes the preceding water reserve free water surface wetland system in dam
Middle retaining, increase water resource recoverable amount, and can under dam sunk type ecological pond unpowered water distribution mechanism is provided, while can also to
Water carries out preliminary sedimentation, filtering and purifies.The preceding water reserve free water surface wetland system in dam can carry out catharsis, and energy to river
The certain water of accumulation, and sunk type ecological pond is built under the Bottom Altitude of riverbed under dam, on flood passage without influence, can meet water
Requirement of the sharp department to flood passage, can play its catharsis and water storage function again.Three parts act synergistically, and cooperate, and are
The pollution purification in situ and water resource storage or saving of river provide a kind of practicable method.The water course in situ is purified and retaining system
The construction of system, makes the existing shoal in river course, there is " pool " again, increased the landscape diversity in river course, is conducive to improving traditional water conservancy
" canalization " present in department's dredging waterway, " hardening " phenomenon, realize to the purified in situ of polluted river water with store, can
Meet flood passage requirement, but with energy-conservation, save land benefit.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to institute in embodiment
The accompanying drawing for needing to use is briefly described, it should be apparent that, drawings in the following description are only some implementations of the invention
Example, for those of ordinary skill in the art, without having to pay creative labor, can also be according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is the structural representation of water course in situ purification of the present invention and water storage system；
Fig. 2 is the structural representation that water course in situ purification of the present invention is percolated dam with shallow in water storage system；
Fig. 3 is the structural representation of water course in situ purification of the present invention and water fender in water storage system；
In figure：1- shallow diafiltration dam, 11- block the preceding water reserve free water surface wetland system in water layer, 12- filter layers, 2- dams, 3- dams
Lower sunk type ecological pond, 31- water fenders, 311- support feets, 312- removable grids, 32- delivery ports.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
It is an object of the invention to provide a kind of purification of water course in situ and water storage system, to solve what above-mentioned prior art was present
Problem, realize to the purified in situ of polluted river water with store, can meet flood passage requirement, but with energy-conservation, save land benefit.
It is below in conjunction with the accompanying drawings and specific real to enable the above objects, features and advantages of the present invention more obvious understandable
The present invention is further detailed explanation to apply mode.
Embodiment one
The present embodiment provides a kind of water course in situ purification and water storage system, as shown in figure 1, before including shallow diafiltration dam 1, dam
Sunk type ecological pond 3 under water reserve free water surface wetland system 2 and dam, shallow diafiltration dam 1 is arranged on the riverbed bottom in river course, shallow
The width on type diafiltration dam 1 is identical with the width in river course, before the preceding water reserve free water surface wetland system 2 in dam is arranged on shallow diafiltration dam 1
In the river course of side, sunk type ecological pond 3 is arranged under the riverbed Bottom Altitude in the rear river course on shallow diafiltration dam 1 under dam, such as
Shown in Fig. 2, shallow diafiltration dam 1 includes blocking water layer 11 and is arranged on the filter layer 12 blocked on water layer 11.
Water course in situ purification and water storage system that the present embodiment is provided, shallow diafiltration dam 1 can intercept certain river makes dam
Retaining in preceding water reserve free water surface wetland system 2, increases water resource recoverable amount, and can be the offer of sunk type ecological pond 3 nothing under dam
Power water distribution mechanism, while can also carry out preliminary sedimentation, filtering to water and purify.The preceding water reserve free water surface wetland system 2 in dam
Catharsis can be carried out to river, and certain water can be accumulated, and sunk type ecological pond 3 build riverbed Bottom Altitude under dam
Under, on flood passage without influence, requirement of the hydraulic department to flood passage can be met, its catharsis and water storage function can be played again.
Three parts act synergistically, and cooperate, and for the pollution purification in situ and water resource storage or saving of river, to provide one kind practical
Method.The water course in situ purifies the construction with water storage system, makes the existing shoal in river course, there is " pool " again, increased river course
Landscape diversity, is conducive to improving " canalization ", " hardening " phenomenon present in the dredging waterway of traditional water conservancy department, realizes to receiving
The purified in situ of polluted river water with store, can meet flood passage requirement, but with energy-conservation, save land benefit.
Water course in situ purification and water storage system that the present embodiment is provided, meet flood passage requirement, while need to play preferable again
Retaining and catharsis, so, water course in situ purification with water storage system select its set location when, be preferably positioned in
With certain slope and bed level of the river along flow direction river course on a declining curve, and select the river course bed slope of front portion
The larger section of shallower, rear portion river course bed slope, and shallow diafiltration dam 1 is arranged on the section bed slope and becomes
At the position of change, that is, cause that the river course bed slope in the front of shallow diafiltration dam 1 is shallower, shallow is percolated the river course river at the rear of dam 1
Bottom sloping is larger, to meet retaining and drop needs；In addition, the following aspects is also contemplated in addressing：
(1) section of pollution most serious is preferably disposed on, to give full play to its purification function；
(2) river course riverbed section wider is preferably disposed on, its retaining and flood passage function is given full play to；
(3) the relatively shallower section of ordinary water level is preferably disposed on, to fully demonstrate Water storage；
(4) it is preferably disposed on river course (such as culverts and water gates) of the both sides without sensitive target；
(5) the shallower section of the both sides shore protection gradient is preferably disposed on, bank base avalanche risk is reduced.
Water layer 11 is blocked for reinforced concrete floor, thickness is 4~5m, is highly higher by river course 40~60cm of bed level of the river, this reality
Apply example and be preferably arranged to 50cm；The groove being provided with the top of water layer 11 for installing filter layer is blocked, the depth of groove is 15~20cm,
The present embodiment is preferably arranged to 20cm, and the width and thickness of the width and thickness of groove respectively with filter layer 12 are identical；Filter layer
12 is lattice guest's gabion filter layer, and the thickness of filter layer 12 is 2~3m, and the height of filter layer 12 is 50~60cm, under filter layer 12
Portion 20cm is embedded in the groove for blocking water layer 11, and filter layer 12 is higher by and blocks the Partial Height of water layer 11 for 30~40cm, at the beginning of playing it
Step filtering, the effect for purifying water.
Positioned at the shallow diafiltration bottom of dam 1 to block water layer 11 waterproof, such that it is able to accumulate river, the energy of filter layer 12 on top
It is enough that river is carried out tentatively to filter and purify.Blocking the height of water layer 11 and the height of filter layer 12 can be adjusted according to specific river course
Whole, total principle is not influence river course flood to be defined.
The two ends for being percolated dam 1 are coupled integrally with riverbank, are trapezoidal main stem for cross section, the diafiltration dam after building up
1 section is as shown in Figure 2.
The elevation of delivery port 32 of sunk type ecological pond 3 is percolated height of dam journey more than 0.3 meter less than shallow under dam, can realize profit
Arranged with difference in height and its gradient of decline between sunk type ecological pond 3 under the preceding water reserve free water surface wetland system 2 in dam and dam
Water, realizes unpowered water distribution mechanism.
The preceding water reserve free water surface wetland system 2 in dam in the present embodiment includes the hypothallus being arranged on the bottom of riverbed,
Planted on the hypothallus of the preceding riverbed central region of water reserve free water surface wetland system 2 in dam and be implanted with submerged plant, in the shallow of both sides bank
Planted on the hypothallus of aqua region and be implanted with emergent aquactic plant, build the aquatic plant purification based on submerged plant, supplemented by emergent aquactic plant
System, it is ensured that influence of the emergent aquactic plant to flood passage is reduced while good clean-up effect.
Emergent aquactic plant includes one or more in Scirpus tabernaemontani, cattail and rush in the present embodiment, and submerged plant includes hardship
One or more in grass, water caltrop and black algae.
Being delivered in the water body of the preceding water reserve free water surface wetland system 2 in dam has the composite microbial bacteria with high-efficient purification effect
Group, also plantation has artificial aquatic weed on hypothallus, and help eliminates black and odorous water.The water body of the preceding water reserve free water surface wetland system 2 in dam
In be provided with the first fountain type aerator, increase the oxygen content in water body, with strengthened purification effect and improve landscape.
The both sides of sunk type ecological pond 3 are provided with the pool ridge under dam in the present embodiment, and the pool ridge is first by 3 liang of sunk type ecological pond under dam
This rammed earth of side, then the anti-seepage geotextile layer and lattice guest gabion layer set gradually from the bottom to top on the native country of compacting, this reality
Applying anti-seepage geotextile layer preferably uses specification for 200g/ square metres of anti-seepage geotextile, and the pool ridge can consolidate sunk type under dam
Ecological pond 3, can purify water again.
Sunk type ecological pond 3 is the river in original river course of sunk type ecological pond 3 in the case where dam is set under dam in the present embodiment
Trench bottom hand digging is formed, and it is built premised on not influenceing river course both sides bank stability, typically not by size and shape
Limitation, specific construction preferably follows following technical requirements：
1st, the gradient on the pool ridge is 1:2, lattice guest's gabion thickness degree is 0.3m.
2nd, the river course for main stem width more than 20m, the pool ridge of sunk type ecological pond 3 is apart from river course both sides shore protection under dam
Toe horizontal range is not less than 3m；River course for main stem width less than 10m, the pool ridge distance of sunk type ecological pond 3 under dam
River course both sides shore protection toe horizontal range is not less than 1.5m；Above-mentioned distance setting can substantially eliminate the shadow to channel revetment stability
Ring.
3rd, the depth of sunk type ecological pond 3 is 1.1~1.3m under dam, and bottom is equipped with the thick gravels of 10~30cm, more
Body, the depth of sunk type ecological pond 3 under dam can be set to 1.2m, and the thick gravels of 20cm are laid, available depth degree is 1m.
4th, under dam the gradient at the pool bottom of sunk type ecological pond 3 with set dam under sunk type ecological pond 3 river course original river
The trench bottom gradient is identical, and the length of sunk type ecological pond 3 is not more than 50 meters under dam, is beneficial to draining and management.
5th, planted in sunk type ecological pond 3 under dam and be implanted with various perennial emergent aquactic plants, such as typha angustifolia, typha orientalis, width
In leaf cattail, Scirpus tabernaemontani, rush and Siberian iris at least two.Plantation averag density is 9 plants/square metre, Mei Zhongduo
Year raw emergent aquactic plant ensures species diversity as far as possible by the plantation of organizational or segmented during plantation, different cultivars it is perennial
It is provided with isolating bar between emergent aquactic plant to be isolated, because interspecies competition constitutes competition repulsion after preventing, the isolating bar can be used
Hard plastic board.
6th, biofilm carrier filler, the people being for example made up of setting macromolecular material are provided with dam in sunk type ecological pond 3
Work pasture and water, specific surface area is big, can attached microbial biomembrane of the formation with catharsis, enhancing clean-up effect.
7th, the second fountain type aerator is provided with dam in sunk type ecological pond 3, increases the oxygen content in water body, Neng Gouzeng
Plus pollution clean-up effect and landscape function.
8th, the rear portion of sunk type ecological pond 3 is provided with water fender 31 under dam, as shown in figure 3, water fender 3 is armored concrete system
Make, the height of water fender 31 higher than sunk type ecological pond 3 under dam more than delivery port 30cm, under the width of water fender 31 and dam under
The width of heavy formula ecological pond 3 is identical, and the thickness of water fender 31 is 8~12cm, is preferably arranged to 10cm, under water fender 31 and dam under
The distance between the side wall at the heavy rear portion of formula ecological pond 3 is 25~35cm, is preferably arranged to 30cm.The bottom of water fender 31 is provided with multiple
Support feet 311, support feet 311 makes for armored concrete, and under the bottom and dam of support feet 311 pool bottom of sunk type ecological pond 3
Contact, it is 0.2 meter that the present embodiment is preferably provided with each width of support feet 311,1 meter of distance between two adjacent support feets 311,
The mouth of a river was provided between two adjacent support feets 311, the opening of the 1m between two adjacent support feets 311 was water
Mouthful, to cross the mouth of a river and be provided with removable grid 312, removable grid 312 is zinc-coated wire grid, was used for water and stopped big
Grain thing.Water after the perennial emergent aquactic plant in sunk type ecological pond 3 under dam and filter material layer purification, filtering, via gear
The mouth of a river of crossing of the bottom of water plate 31 flows into space under water fender 31 and dam between the side wall at the rear portion of sunk type ecological pond 3, by dam
The delivery port 32 of lower sunk type ecological pond 3 is discharged.The setting of water fender 31 can make by perennial in sunk type ecological pond 3 under dam
Water after the filter material layer purification of emergent aquactic plant and bottom is preferentially discharged, and improves the water quality of the water of discharge.
Water course in situ purification and water storage system that the present embodiment is provided, originate for those without clear water, dry season water is few,
Seriously polluted, the river course that the time in rainy season is not grown is built by " the preceding water reserve free water surface wetland system+shallow in dam using in river course
The system of sunk type ecological pond under ecology diafiltration dam+dam " composition, realize to the purified in situ of polluted river water with store, both
Can meet flood passage requirement, but with energy-conservation, save land benefit.
Specific case is applied in the present invention to be set forth principle of the invention and implementation method, above example
Illustrate that being only intended to help understands the method for the present invention and its core concept；Simultaneously for those of ordinary skill in the art, according to
According to thought of the invention, will change in specific embodiments and applications.In sum, this specification content
Should not be construed as limiting the invention.
Claims (10)
1. a kind of water course in situ is purified and water storage system, it is characterised in that：It is wet including shallow diafiltration dam, the preceding water reserve surface stream in dam
Sunk type ecological pond under ground system and dam, the shallow diafiltration dam is arranged on the riverbed bottom in river course, and the shallow is percolated dam
Width it is identical with the width in river course, the preceding water reserve free water surface wetland system in dam is arranged in front of shallow diafiltration dam
In river course, sunk type ecological pond is arranged under the riverbed Bottom Altitude in the rear river course on the shallow diafiltration dam under the dam,
The shallow diafiltration dam includes blocking water layer and is arranged on the filter layer blocked on water layer.
2. water course in situ according to claim 1 is purified and water storage system, it is characterised in that：The water layer that blocks is for reinforcing bar is mixed
Solidifying soil layer, thickness is 4~5m, is highly higher by 40~60cm of river course bed level of the river；The water layer top of blocking is provided with for installing
State the groove of filter layer, the depth of the groove is 15~20cm, the width and thickness of the groove respectively with the filter layer
Width it is identical with thickness；The filter layer is lattice guest's gabion filter layer, and the thickness of the filter layer is 2~3m, the diafiltration
The height of layer is 50~60cm.
3. water course in situ according to claim 1 is purified and water storage system, it is characterised in that：Sunk type is ecological under the dam
The delivery port elevation on the pool is percolated height of dam journey more than 0.3 meter less than the shallow.
4. water course in situ according to claim 1 is purified and water storage system, it is characterised in that：Sunk type is ecological under the dam
Pool both sides are provided with the pool ridge, and the pool ridge is included under the dam on the native country of sunk type ecological pond both sides compacting from the bottom to top successively
The anti-seepage geotextile layer and lattice guest gabion layer of setting, the gradient on the pool ridge is 1:2, the lattice guest gabion thickness degree is 0.3m；
When channel width is more than 20m, under the dam pool ridge of sunk type ecological pond apart from river course both sides shore protection toes horizontal range not
Less than 3m；When channel width is less than 10m, the pool ridge of sunk type ecological pond is apart from river course both sides shore protection toe level under the dam
Distance is not less than 1.5m.
5. water course in situ according to claim 4 is purified and water storage system, it is characterised in that：Sunk type is ecological under the dam
The depth on the pool is 1.1~1.3m, and bottom is equipped with the thick gravels of 10~30cm, and under the dam slope at the pool bottom of sunk type ecological pond
Spend, the dam under sunk type ecological pond identical with original riverbed bottom slope in the river course of sunk type ecological pond under the setting dam
Length be not more than 50 meters.
6. water course in situ according to claim 1 is purified and water storage system, it is characterised in that：The preceding water reserve surface in dam
Stream wet land system includes the hypothallus being laid on the bottom of riverbed, and the two side areas kind of the hypothallus is implanted with emergent aquactic plant, institute
The central region kind for stating hypothallus is implanted with submerged plant.
7. water course in situ according to claim 6 is purified and water storage system, it is characterised in that：The emergent aquactic plant includes water
One or more in green onion, cattail and rush, the submerged plant includes one or more in eel grass, water caltrop and black algae；
Being delivered in the water body of the preceding water reserve free water surface wetland system in dam has the complex microbial community with high-efficient purification effect, institute
State also to be planted on hypothallus and have artificial aquatic weed, the first fountain type is provided with the water body of the preceding water reserve free water surface wetland system in dam
Aerator.
8. water course in situ according to claim 1 is purified and water storage system, it is characterised in that：Sunk type is ecological under the dam
In the pool plant be implanted with various perennial emergent aquactic plants, it is preferred that the perennial emergent aquactic plant include typha angustifolia, typha orientalis,
In common cattail, Scirpus tabernaemontani, rush and Siberian iris at least two, plantation averag density is 9 plants/square metre, every kind of
Perennial emergent aquactic plant is planted by organizational or segmented, be provided between the perennial emergent aquactic plant of different cultivars isolating bar carry out every
From.
9. water course in situ according to claim 1 is purified and water storage system, it is characterised in that：Sunk type is ecological under the dam
The rear portion on the pool is provided with water fender, and the height of the water fender is higher than more than the delivery port 30cm of sunk type ecological pond under the dam,
The width of the water fender is identical with the width of sunk type ecological pond under the dam, and the thickness of the water fender is 8~12cm, institute
It is 25~35cm that water fender is stated with the distance between side wall at sunk type ecological pond rear portion under the dam, and the water fender bottom sets
There are multiple support feets, the bottom of the support feet contacts with the pool bottom of sunk type ecological pond under the dam, described in adjacent two
The mouth of a river was provided between support feet, the mouth of a river of crossing is provided with removable grid.
10. water course in situ according to claim 1 is purified and water storage system, it is characterised in that：Sunk type life under the dam
The second fountain type aerator and biofilm carrier filler are provided with the state pool.
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| CN112851017A (en) * | 2020-12-25 | 2021-05-28 | 北京北华中清环境工程技术有限公司 | Multifunctional initial rainwater treatment ecological pond system and method |
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