CN106927572A - A kind of river ecological activity waterfront and preparation method thereof - Google Patents
A kind of river ecological activity waterfront and preparation method thereof Download PDFInfo
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- CN106927572A CN106927572A CN201710176359.8A CN201710176359A CN106927572A CN 106927572 A CN106927572 A CN 106927572A CN 201710176359 A CN201710176359 A CN 201710176359A CN 106927572 A CN106927572 A CN 106927572A
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- 238000009826 distribution Methods 0.000 claims abstract description 66
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- 244000005700 microbiome Species 0.000 claims abstract description 55
- 230000004888 barrier function Effects 0.000 claims abstract description 43
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- 238000000926 separation method Methods 0.000 claims abstract description 20
- 239000011241 protective layer Substances 0.000 claims abstract description 17
- 235000013311 vegetables Nutrition 0.000 claims abstract description 16
- 238000000746 purification Methods 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 12
- 238000004140 cleaning Methods 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 90
- 239000002689 soil Substances 0.000 claims description 17
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- 235000013339 cereals Nutrition 0.000 claims description 6
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- 239000000356 contaminant Substances 0.000 claims description 6
- 239000002068 microbial inoculum Substances 0.000 claims description 6
- 241000209140 Triticum Species 0.000 claims description 5
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- 239000012528 membrane Substances 0.000 claims description 4
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- QJZYHAIUNVAGQP-UHFFFAOYSA-N 3-nitrobicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic acid Chemical compound C1C2C=CC1C(C(=O)O)C2(C(O)=O)[N+]([O-])=O QJZYHAIUNVAGQP-UHFFFAOYSA-N 0.000 claims description 2
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- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- 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
- C02F3/327—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae characterised by animals and plants
-
- 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
-
- 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
- E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
- E02B3/06—Moles; Piers; Quays; Quay walls; Groynes; Breakwaters ; Wave dissipating walls; Quay equipment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/007—Contaminated open waterways, rivers, lakes or ponds
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Microbiology (AREA)
- General Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Biodiversity & Conservation Biology (AREA)
- Biotechnology (AREA)
- Botany (AREA)
- Ocean & Marine Engineering (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Revetment (AREA)
Abstract
A kind of river ecological activity waterfront and its manufacture method belong to water pollution control field of engineering technology, a kind of river ecological activity waterfront includes impervious barrier, ecologic active dielectric layer, sewage distribution pipe, microorganism delivers pipe, barrier film, non-woven fabrics separation layer, eco-concrete protective layer, vegetable layer and microorganism bed, manufacture method includes building water-diversion structure, cleaning waterfront basis, laying impervious barrier, lay the ecologic active dielectric layer of lower floor, lay sewage distribution pipe, lay the ecologic active dielectric layer on upper strata, construct eco-concrete protective layer and cultivate biological in ecological medium layer.The present invention is by building the naturally artificial waterfront of plan with stronger ecologic active, having isolation, absorption, decomposition, sedimentation etc. to polluted river water pollutant has purification function, while having the special heterogeneity and increase waterfront biomass, the function of restoring mature econogy waterfront for improving waterfront.
Description
Technical field
The invention belongs to water pollution control field of engineering technology, especially relate to a kind of river ecological activity waterfront and its
Manufacture method.
Background technology
River water contamination is the problem of global concern.In addition to anthropogenic discharge's pollutant causes river and lake water quality pollution, water-bank
Mass exchange and degraded, conversion between (including water-river bed and lakebed), using pollutant ability relative reduction be major reason it
One, it is mainly manifested in waterfront (including river bed) and cuts down the river that the ability of water pollutant can not constantly increase with pollutional load
Lake Water Body matches.It is current to solve river and lake water quality pollution problem, use more and implement to cut dirt, set up sewage treatment plant, periodically dispensing
The measures such as biochemical preparation, transplanting water plant, aeration oxygen replenishing, with certain purification sewage effect.But its drawback is：
Originally energetic river is simply regarded as sewage pond, by artificial, constantly dry only for polluted-water in itself
Maintain water quality of river in advance.River is lost or is lost natural, ecological attribute and function substantially, operation expense compared with
It is high, it is impossible to form the mechanism that water quality is purified self, ecological self stabilization, system are run self, especially in many places and water conservancy
Flood control requirement is not inconsistent.
In nature, river water be subject to from naturally in itself, the pollution of mankind's activity be also inevitable phenomenon.But in dirt
When dye load is relatively low, because the waterfront (including river bed) in river lake has certain ecologic active, including vegetable active, microorganism live
Property, active animal of paddling, water and soil chemism, hydrodynamic force activity etc., make the pollutant in contaminated water bodies of rivers and lakes, by thing
Reason filtering, biomembrane absorption, plant absorption, microorganism decomposition, meiofauna are swallowed, the comprehensive method such as chemical settling, be isolated,
Absorb, decompose, settle, be purified water body, when the pollutant burden for entering river is relatively low, waterfront is to flowing into pollutant
Natural, ecological detergent power kept in balance.Because pollutants emission intensity is continuously increased caused by socio-economic development, make
The load that Mixing Coefficient in Rectangular Channels must be entered is more than waterfront ecological purification ability, waterfront ecologic active and the relative drop of the ability that purifies water
It is low；Simultaneously because to the unwarranted intervention (for example building closed hardening waterfront, revetment etc.) of river waterfront, also resulting in waterfront life
State activity and the Disability for purifying water.
Therefore being needed badly in the middle of prior art wants a kind of new technical scheme to solve this problem.
The content of the invention
The technical problems to be solved by the invention are：The present invention proposes a kind of ecologic active of enhancing river waterfront, reaches
Purified water to self, recover ecological ecologic active waterfront and its construction method, multi-purpose water conservancy project of the present invention and life
State engineering, environment project, purification of water quality measure is combined with waterfront water conservancy protection works, and the ecology on artificial-strengthening riverbank is living
Property, using riverbank as water purification facilities, there is some strength along riverbank manual manufacture, there is isolation to pollutant, absorb, divide
Solution, the ecologic active waterfront of sedimentation function, improve the ability that waterfront purifies water.
A kind of river ecological activity waterfront, is the artificial waterfront built along riverbank, including impervious barrier, ecologic active medium
Layer, sewage distribution pipe, microorganism deliver pipe, barrier film, non-woven fabrics separation layer, eco-concrete protective layer, vegetable layer and micro- life
Thing bed, the impervious barrier is laid on the bottom of artificial waterfront and the side wall adjacent with riverbank, in the antiseepage of artificial waterfront bottom
The top of layer is equipped with ecologic active dielectric layer, non-woven fabrics separation layer eco-concrete protective layer and vegetable layer successively；The dirt
Water distribution pipe is laid on the inside of ecologic active dielectric layer, and equally distributed apopore, sewage point are provided with sewage distribution pipe
The end that the outer wrap of pipe arrangement has non-woven fabrics, sewage distribution pipe is provided with emptying lock；The inside of the ecologic active dielectric layer
It is provided with microorganism bed；The microorganism deliver pipe through vegetable layer, eco-concrete protective layer and non-woven fabrics separation layer until
The inside of ecologic active dielectric layer, microorganism delivers the outlet of pipe positioned at the top of microorganism bed；The barrier film is located at ecology
In active medium layer, one end of barrier film is adjacent with non-woven fabrics separation layer and leaves gap, the other end of barrier film and artificial water
The impervious barrier of bank bottom is adjacent；The microorganism bed is between impervious barrier and barrier film.
The impervious barrier is antiseepage film or impervious clay layer.
The vegetable layer is the terrestrial vegetation of root system development more than water level, is water plant below water level.
The quantity that the microorganism delivers pipe is complex root, adjacent two microorganisms deliver pipe at intervals of 10m.
A kind of preparation method of river ecological activity waterfront, is comprised the following steps, and following steps are sequentially carried out,
Step one, structure water-diversion structure
Downflow weir is built on river course or building is choked water using river is original, river level is raised, enters sewage
In entering sewage distribution pipe；
Step 2, cleaning waterfront basis
The shape and trend of height, riverbank according to riverbank, determine sewage distribution pipe elevation and current than drop, and clear up plan
Build waterfront；
Wherein, to revetment wall formula riverbank, the bottom of slope portion intended at structure slope formula waterfront at wall bottom carries out smooth；To slope formula water
Bank, ecologic active waterfront length of grade and the required height of excavation are set by proposed, bottom of slope portion are carried out smooth；
Step 3, laying impervious barrier
Water bank slope lower surface after smooth and lay antiseepage film, or the waterfront after smooth with run-of-bank gravel slope joint portion
Slope lower surface and with run-of-bank gravel slope joint portion paving fill out impervious clay, prevent contaminant water from going deep into riverbed；Wherein adjacent antiseepage film is adopted
Connected with welding manner；
Step 4, the ecologic active dielectric layer of laying lower floor, as the basis of sewage distribution pipe
Ecologic active dielectric layer of the laying depth no less than 0.5m, laying width designs slope ratio and determines according to waterfront；In paving
If ecologic active dielectric layer in pre-buried barrier film as antiseepage film of damming, stop of the increase current in ecologic active dielectric layer
Time；
After the ecologic active dielectric layer laying of lower floor is smooth, straw or wheat straw are uniformly dispensed on surface, as microorganism bed,
Spreading amount is not to cover ecologic active dielectric layer surface as degree；
Medium in ecologic active dielectric layer includes queen closer, broken concrete, zeolite block, crushed stone and haydite, medium
Average grain diameter is 30mm~50mm, and porosity is not less than 30%；
Step 5, laying sewage distribution pipe
Sewage distribution pipe is laid on the top of the ecologic active dielectric layer of lower floor, the diameter of sewage distribution pipe is according to purification river
The water of water and the purification of water quality parameter determination of river, discharge orifice is got out on the top of sewage distribution pipe, and the quantity of flow-out hole is pressed
2 times of the hole gross area more than orifice area of flow-out hole on every 6 extension mitron；In the outer wrap nonwoven of sewage distribution pipe
Cloth, the mass area ratio of non-woven fabrics is 300g/m2~400g/m2,
The head end of sewage distribution pipe and end are fixed with concrete walls, and emptying lock is installed in the end of sewage distribution pipe,
Emptying lock is opened, and current go out the pollutant deposited in sewage distribution pipe, and emptying lock is closed, the miscarriage life of sewage distribution pipe reclaimed water
Pressure, the flow-out hole from tube wall enters ecologic active dielectric layer；
Step 6, the ecologic active dielectric layer on laying upper strata
The ecologic active dielectric layer on upper strata is laid, the ecologic active dielectric layer for being covered in sewage distribution pipe top is no less than
100mm, the material that its ecologic active dielectric layer at the middle and upper levels is selected is identical with the ecologic active dielectric layer of lower floor, in the life on upper strata
A microorganism being imbedded at interval of 10m and delivering pipe, microorganism delivers a diameter of 10mm of pipe in state active medium layer；
Step 7, construct eco-concrete protective layer
It is 300g/m in the upper surface laying mass area ratio of the ecologic active dielectric layer on upper strata2~400g/m2Nonwoven
Cloth, one layer of rubble is laid in the upper surface of non-woven fabrics, and the particle diameter of rubble is 20mm~30mm, forms non-woven fabrics separation layer, in case
Sealing mud falls silting non-woven fabrics；
Using average grain diameter 40mm~50mm rubbles or queen closer as eco-concrete aggregate, in eco-concrete aggregate
Cement is added to form eco-concrete, cement consumption is 300kg/m3~320kg/m3, cubic compressive strength is not less than 5Mpa,
Stirring eco-concrete, is degree with the uniform package aggregate of cement mortar, the anhydrous mud trickling in surface,
Eco-concrete is cast in the top of non-woven fabrics separation layer, the thickness of eco-concrete laying is no less than 100mm,
And in seven days after laying, daily morning, late each wet curing 1 time；
After maintenance seven days, ecology denaturation material is charged in eco-concrete hole, wherein ecology denaturation material includes corruption
Grow acid and keratin protein material；
In the surface mulch farming soil 20mm~30mm of eco-concrete layer；
Eco-concrete grass planting waterborne is planted more than the waterline of plantation soil, water is planted below the waterline of plantation soil
Plant；The eco-concrete grass planting waterborne is using seeding method or laying lawn roll mode, eco-concrete protective layer structure
Build completion；
Step 8, the cultivation biology in ecological medium layer
Pipe is delivered using the microorganism laid in step 6, to delivering microbial inoculum in ecologic active dielectric layer, wherein
Microbial inoculum includes nitrifier, denitrifying bacterium or EM floras, delivers pipe by microorganism and delivers earthworm.
Building is choked water in the step one includes dam, downflow weir and sluice.
Antiseepage film in the step 3 is that composite impermeable membrane specification is 300g/m2~800g/m2。
The sewage distribution pipe is plastic tube, pipe of concrete or metal tube.
It is plastic tube or steel pipe that the microorganism delivers pipe.
By above-mentioned design, the present invention can bring following beneficial effect：
1st, its novelty is：Hydraulic engineering, environmental project, ecological engineering are combined into one, are developed and is utilized
The Function For Purifying Water of riparian works, recovers the natural attribute and natural landscape on hard protection riverbank.
2nd, its novelty is：Using water conservancy riparian works as polluted-water purifier, with reference to the water conservancy work of waterfront
Journey protective equipment, can be laid along riverbank, and whole process is intercepted and purified water, and compared with traditional riverine wetland technology, is not accounted for additionally
With soil, purification sewage ability is larger, does not hinder flood passage.
3rd, its practicality is：Using the water drop in river carry out pollution water operation and along journey purify, without or pole
The energy is consumed less, and day-to-day operation maintenance cost is low；The main smelly pollutant of blackening of total nitrogen, total phosphorus, sulfide etc. in water body is cut
Decreasing effect fruit is good.
4th, basic purposes：The present invention recovers riverbank natural ecological attribute for purifying polluted river water quality, improves river
Bio-diversity.
5th, basic function：By building the naturally artificial waterfront of plan with stronger ecologic active, the plant of comprehensive enhancing waterfront
Thing activity, microbial activity, active animal of paddling, water and soil chemism, hydrodynamic force activity etc., to polluted river water pollution
Thing have isolation, absorb, decompose, sedimentation etc. have purification function, while have improve waterfront special heterogeneity and increase water
Bank biomass (including plant, microorganism, animal), the function of restoring mature econogy waterfront.
Brief description of the drawings
Below in conjunction with the drawings and specific embodiments, the present invention is further illustrated：
Fig. 1 is a kind of knot of river ecological activity waterfront in a kind of river ecological activity waterfront of the invention and its manufacture method
Structure schematic diagram.
Fig. 2 in a kind of river ecological activity waterfront of the invention and its manufacture method a kind of river ecological activity waterfront in wall
Formula and the structural representation of revetment formula riverbank application.
Fig. 3 in a kind of river ecological activity waterfront of the invention and its manufacture method a kind of river ecological activity waterfront in river
The structural representation applied on slope.
1- impervious barriers, 2- ecologic actives dielectric layer, 3- sewage distribution pipe, 4- microorganisms deliver pipe, 5- barrier films, 6- in figure
Non-woven fabrics separation layer, 7- eco-concretes protective layer, 8- vegetable layers, 9- microorganisms bed.
Specific embodiment
It is the artificial waterfront built along riverbank as illustrated, a kind of river ecological activity waterfront, including it is impervious barrier 1, ecological
Active medium layer 2, sewage distribution pipe 3, microorganism deliver pipe 4, barrier film 5, non-woven fabrics separation layer 6, eco-concrete protective layer
7th, vegetable layer 8 and microorganism bed 9, the impervious barrier 1 is laid on the bottom of artificial waterfront and the side wall adjacent with riverbank, in people
The top of the impervious barrier 1 of work waterfront bottom is equipped with ecologic active dielectric layer 2, the eco-concrete of non-woven fabrics separation layer 6 and protects successively
Sheath 7 and vegetable layer 8；The sewage distribution pipe 3 is laid on the inside of ecologic active dielectric layer 2, is provided with sewage distribution pipe 3
Equally distributed apopore, the end that the outer wrap of sewage distribution pipe 3 has non-woven fabrics, sewage distribution pipe 3 is provided with emptying lock；
The ecologic active dielectric layer 2 be internally provided with microorganism bed 9；It is mixed through vegetable layer 8, ecology that the microorganism delivers pipe 4
Solidifying protective soil layer 7 and non-woven fabrics separation layer 6 are until the inside of ecologic active dielectric layer 2, the outlet of microorganism dispensing pipe 4 is positioned at micro-
The top of biological bed 9；The barrier film 5 is located in ecologic active dielectric layer 2, one end and the phase of non-woven fabrics separation layer 6 of barrier film 5
Neighbour simultaneously leaves gap, and the other end of barrier film 5 is adjacent with the impervious barrier 1 of artificial waterfront bottom；The microorganism bed 9 is located at antiseepage
Between layer 1 and barrier film 5.
The impervious barrier 1 is antiseepage film or impervious clay layer.
The vegetable layer 8 is the terrestrial vegetation of root system development more than water level, is water plant below water level.
The quantity that the microorganism delivers pipe 4 is complex root, adjacent two microorganisms deliver pipe 4 at intervals of 10m.
Straw or wheat straw of the microorganism bed 9 for uniform laying.
A kind of preparation method of river ecological activity waterfront, is comprised the following steps, and following steps are sequentially carried out,
Step one, structure water-diversion structure
Downflow weir is built on river course, river level is raised, so that sewage enters in sewage distribution pipe.Downflow weir Construction Party
Method is built by water conservancy usual manner；Building is choked water using the original dam in river, downflow weir, sluice etc., raising of water level makes dirt
Water enters sewage distribution pipe.
Step 2, cleaning waterfront basis
The shape and trend of height, riverbank according to riverbank, determine sewage distribution pipe elevation and current than drop, and clear up plan
Build waterfront；
Wherein, to revetment wall formula riverbank, the bottom of slope portion that should intend wall bottom at structure slope formula waterfront carries out smooth；To slope formula
Waterfront, should by proposed ecologic active waterfront length of grade, excavate needed for height, and bottom of slope portion carry out it is smooth.
Step 3, laying impervious barrier 1
Water bank slope lower surface after smooth and lay antiseepage film, or the waterfront after smooth with run-of-bank gravel slope joint portion
Slope lower surface and with run-of-bank gravel slope joint portion paving fill out impervious clay, prevent contaminant water from going deep into riverbed；Wherein adjacent antiseepage film is adopted
Connected with welding manner, antiseepage film is composite impermeable membrane, and specification is 300g/m2~800g/m2, depending on ecologic active waterfront scale, thickness
Depending on degree, antiseepage requirement；
Step 4, the ecologic active dielectric layer 2 of laying lower floor, as the basis of sewage distribution pipe 3
Ecologic active dielectric layer 2 of the laying depth no less than 0.5m, laying width designs slope ratio and determines according to waterfront；In paving
If ecologic active dielectric layer 2 in pre-buried barrier film 5 as antiseepage film of damming, increase current in ecologic active dielectric layer 2
Residence time, increase and cut down pollutant effect；
The ecologic active dielectric layer 2 of lower floor lay it is smooth after, uniformly dispense straw or wheat straw on surface, as microorganism bed
9, spreading amount is not to cover the surface of ecologic active dielectric layer 2 as degree；
Medium in ecologic active dielectric layer 2 includes queen closer, broken concrete, zeolite block, crushed stone and haydite, medium
Average grain diameter is 30mm~50mm, and porosity is not less than 30%；
Step 5, laying sewage distribution pipe 3
According to real needs, make sewage distribution pipe 3 from plastic tube, pipe of concrete, metal tube etc. as one sees fit.In the life of lower floor
The top laying sewage distribution pipe 3 of state active medium layer 2, the water and river of the diameter of sewage distribution pipe 3 according to purifying river water
The detergent power of water determines that get out discharge orifice on the top of sewage distribution pipe 3, the quantity of flow-out hole extends on mitrons to go out to flow by every 6
2 times of the hole gross area in hole more than orifice area；In the outer wrap non-woven fabrics of sewage distribution pipe 3, the unit plane of non-woven fabrics
Product quality is 300g/m2~400g/m2,
The head end of sewage distribution pipe 3 and end are fixed with concrete walls, and emptying is installed in the end of sewage distribution pipe 3
Lock, emptying lock is opened, and current go out the pollutant of deposition in sewage distribution pipe 3, and emptying lock is usually closed, and forces sewage to distribute
The raw pressure of the reclaimed water of pipe 3 miscarriage, the flow-out hole from tube wall enters ecologic active dielectric layer 2；
Step 6, the ecologic active dielectric layer 2 on laying upper strata
The ecologic active dielectric layer 2 on upper strata is laid, makes to be covered in the ecologic active dielectric layer 2 on the top of sewage distribution pipe 3 not
Less than 100mm, the material that its ecologic active dielectric layer 2 at the middle and upper levels is selected is identical with the ecologic active dielectric layer 2 of lower floor, upper
A microorganism being imbedded at interval of 10m and delivering pipe 4, microorganism delivers a diameter of of pipe 4 in the ecologic active dielectric layer 2 of layer
10mm, microorganism delivers pipe 4 can take the circumstances into consideration to select plastic tube or steel pipe；
Step 7, construct eco-concrete protective layer 7
It is 300g/m in the upper surface laying mass area ratio of the ecologic active dielectric layer 2 on upper strata2~400g/m2Nothing
Cloth is spun, one layer of rubble is laid in the upper surface of non-woven fabrics, the particle diameter of rubble is 20mm~30mm, forms non-woven fabrics separation layer 6, with
Prevent cement mortar from falling silting non-woven fabrics；
Using average grain diameter 40mm~50mm rubbles or queen closer as eco-concrete aggregate, in eco-concrete aggregate
Cement is added to form eco-concrete, cement consumption is 300kg/m3~320kg/m3, cubic compressive strength is not less than 5Mpa,
Stirring eco-concrete, is degree with the uniform package aggregate of cement mortar, the anhydrous mud trickling in surface,
Eco-concrete is cast in the top of non-woven fabrics separation layer 6, the thickness of eco-concrete laying is no less than
In 100mm, and seven days after laying, daily early, late each wet curing 1 time, waterfront after laying eco-concrete is domatic can
It is smooth consistent, also can simulation natural riverbank it is uneven；
After maintenance seven days, ecology denaturation material is charged in eco-concrete hole, ecology denaturation material can trans-utilization
The saline alkali material that concrete is separated out, wherein ecology denaturation material include humic acid and keratin protein material；
In the surface mulch farming soil 20mm~30mm of eco-concrete layer；
Eco-concrete grass planting waterborne is planted more than the waterline of plantation soil, water is planted below the waterline of plantation soil
Plant；The eco-concrete grass planting waterborne is using seeding method or laying lawn roll mode, the structure of eco-concrete protective layer 7
Build completion；
Step 8, the cultivation biology in ecological medium layer
Pipe 4 is delivered using the microorganism laid in step 6, to delivering microbial inoculum in ecologic active dielectric layer 2, its
Middle microbial inoculum includes nitrifier, denitrifying bacterium or EM floras, delivers pipe 4 by microorganism and delivers earthworm.
The building of choking water includes dam, downflow weir and sluice.
The antiseepage film is composite impermeable membrane, and specification is 300g/m2~800g/m2。
The sewage distribution pipe 3 is plastic tube, pipe of concrete or metal tube.
It is plastic tube or steel pipe that the microorganism delivers pipe 4.
General principle：Polluted water is flowed through after choking water weir (lock) raising of water level, and the sewage point for being distributed in two sides is flowed into first
Pipe arrangement 3, through the contaminant water that sewage distribution pipe 3 is distributed, the apopore outflow gathered from sewage distribution pipe 3, into ecologic active
In dielectric layer 2, purified treatment is carried out.Sewage distribution pipe 3 is plastic film capicitor or pipe of concrete, metal tube, and the upper surface of pipe is bored
Hole, makes the relatively little of upper water of suspension be overflowed from hole, and suspension major part is deposited to the lower half of pipe, can enter
Row washes away desilting.The diameter of pipe, pore quantity determine according to the sewage quantity for flowing into, flowing out；Pipe surface wraps up mass area ratio
300g/m2~400g/m2Non-woven fabrics, prevent soil, rubble, debris by hole fall into pipe in；The end of sewage distribution pipe 3
Emptying lock is set, is usually closed mode, when needing desilting, open gate, will manage interior contaminant deposition using current goes out.
After polluted river water overflows through the upper surface hole of sewage distribution pipe 3, into ecologic active dielectric layer 2.It is dirty in water
Dye thing swallows decile by the deep root system of the biomembrane of formation, microorganism, top layer plant in ecologic active dielectric layer 2, earthworm
After solution, reduction, absorption, purification process, then seepage flow enters river course.Ecologic active dielectric layer 2 is have large specific surface area, have absorption
Property material block grain, can take the circumstances into consideration from queen closer, broken concrete, zeolite block, crushed stone, haydite etc.；Ecologic active dielectric layer 2
Centre laying one layer of straw or wheat straw waste, as the microorganism bed 9 of growth bacillus subtilis；According to sewage feature and pollution
Intensity, selection is applicable microbial liquid or the particle of bearing microorganism is spread on ecologic active dielectric layer 2, induces and promote to be situated between
Matter surface forms biomembrane；Current are made to turn back as barrier film 5 with embedded geomembrane in dielectric layer, extension current are being situated between
Residence time in matter, increase the effect of biological decomposition purification；Dielectric layer bottom and side use geomembrane as impervious barrier 1,
Prevent the unprocessed infiltration riverbed of contaminant water.
Eco-concrete protective layer 7 is to be covered in sewage distribution pipe 3 and ecologic active dielectric layer 2 with non-fine concrete
It is the stress protection layer and top soil of skeleton, while constructing nature bed configuration；Filling salt in non-fine concrete hole
Basic activated dose, promote plant root system development and go deep into dielectric layer.Water level above protective layer is after earthing, and sowing is careless
Seed, or lawn roll is directly laid, it is advisable with the grass product kind of root system development；Water plant is partly transplanted below water level.
By building the naturally artificial waterfront of plan with stronger ecologic active, vegetable active, micro- life of comprehensive enhancing waterfront
Thing activity, active animal of paddling, water and soil chemism, hydrodynamic force activity etc., to polluted river water pollutant have isolation,
Absorption, decomposition, sedimentation etc. have purification function, while having the special heterogeneity and increase waterfront biomass (bag for improving waterfront
Include plant, microorganism, animal), the function of restoring mature econogy waterfront.Pollution water operation is carried out using the water drop in river
Purified with along journey, without or seldom consume the energy, day-to-day operation maintenance cost is low；It is (total to the smelly pollutant of main blackening in water body
Nitrogen, total phosphorus, sulfide) reduction effect reach more than 20%.
Claims (9)
1. a kind of river ecological activity waterfront, is the artificial waterfront built along riverbank, it is characterized in that：Including impervious barrier (1), ecology
It is mixed that active medium layer (2), sewage distribution pipe (3), microorganism deliver pipe (4), barrier film (5), non-woven fabrics separation layer (6), ecology
Solidifying protective soil layer (7), vegetable layer (8) and microorganism bed (9), the impervious barrier (1) are laid on the bottom and and river of artificial waterfront
On the adjacent side wall of bank, ecologic active dielectric layer (2), nothing are equipped with successively on the top of the impervious barrier (1) of artificial waterfront bottom
Spin cloth separation layer (6) eco-concrete protective layer (7) and vegetable layer (8)；The sewage distribution pipe (3) is laid on ecologic active Jie
The inside of matter layer (2), is provided with equally distributed apopore in sewage distribution pipe (3), the outer wrap of sewage distribution pipe (3) has
Non-woven fabrics, the end of sewage distribution pipe (3) is provided with emptying lock；The ecologic active dielectric layer (2) is internally provided with micro- life
Thing bed (9)；The microorganism delivers pipe (4) through vegetable layer (8), eco-concrete protective layer (7) and non-woven fabrics separation layer (6)
Until the inside of ecologic active dielectric layer (2), the outlet of microorganism dispensing pipe (4) is positioned at the top of microorganism bed (9)；It is described every
From film (5) in ecologic active dielectric layer (2), one end of barrier film (5) is adjacent with non-woven fabrics separation layer (6) and between leaving
Gap, the other end of barrier film (5) is adjacent with the impervious barrier (1) of artificial waterfront bottom；Microorganism bed (9) is positioned at impervious barrier
(1) and barrier film (5) between.
2. a kind of river ecological activity waterfront according to claim 1, it is characterized in that：The impervious barrier (1) is antiseepage film
Or impervious clay layer.
3. a kind of river ecological activity waterfront according to claim 1, it is characterized in that：The vegetable layer (8) water level with
Upper is the terrestrial vegetation of root system development, is water plant below water level.
4. a kind of river ecological activity waterfront according to claim 1, it is characterized in that：The microorganism delivers pipe (4)
Quantity is complex root, adjacent two microorganisms deliver pipe (4) at intervals of 10m.
5. the preparation method of a kind of river ecological activity waterfront, it is characterized in that：Comprise the following steps, and following steps are sequentially entered
OK,
Step one, structure water-diversion structure
Downflow weir is built on river course or building is choked water using river is original, river level is raised, enters sewage dirty
In water distribution pipe；
Step 2, cleaning waterfront basis
The shape and trend of height, riverbank according to riverbank, determine sewage distribution pipe elevation and current than drop, and clear up proposed setting
Waterfront；
Wherein, to revetment wall formula riverbank, the bottom of slope portion intended at structure slope formula waterfront at wall bottom carries out smooth；To slope formula waterfront,
Ecologic active waterfront length of grade and the required height of excavation are set by proposed, bottom of slope portion is carried out smooth；
Step 3, laying impervious barrier (1)
Water bank slope lower surface after smooth and lay antiseepage film, or the water bank slope bottom after smooth with run-of-bank gravel slope joint portion
Portion surface and with run-of-bank gravel slope joint portion paving fill out impervious clay, prevent contaminant water from going deep into riverbed；Wherein adjacent antiseepage film is using weldering
The mode of connecing is connected；
Step 4, the ecologic active dielectric layer (2) of laying lower floor, as the basis of sewage distribution pipe (3)
Ecologic active dielectric layer (2) of the laying depth no less than 0.5m, laying width designs slope ratio and determines according to waterfront；In laying
Ecologic active dielectric layer (2) in pre-buried barrier film (5) as antiseepage film of damming, increase current are in ecologic active dielectric layer (2)
The interior residence time；
After ecologic active dielectric layer (2) laying of lower floor is smooth, straw or wheat straw are uniformly dispensed on surface, as microorganism bed
(9), spreading amount is not to cover ecologic active dielectric layer (2) surface as degree；
Medium in ecologic active dielectric layer (2) includes queen closer, broken concrete, zeolite block, crushed stone and haydite, and medium is put down
Equal particle diameter is 30mm~50mm, and porosity is not less than 30%；
Step 5, laying sewage distribution pipe
Lay sewage distribution pipe (3) on the top of the ecologic active dielectric layer (2) of lower floor, the diameter of sewage distribution pipe (3) according to
The water of purifying river water and the purification of water quality parameter determination of river, discharge orifice, flow-out hole are got out on the top of sewage distribution pipe (3)
Quantity by the hole gross areas of flow-out hole on every 6 extension mitrons more than 2 times of orifice area；In the outer of sewage distribution pipe (3)
Non-woven fabrics is wrapped up in portion, and the mass area ratio of non-woven fabrics is 300g/m2~400g/m2,
The head end of sewage distribution pipe (3) and end are fixed with concrete walls, and emptying is installed in the end of sewage distribution pipe (3)
Lock, emptying lock is opened, and current go out the pollutant of deposition in sewage distribution pipe (3), and emptying lock is closed, sewage distribution pipe (3)
The raw pressure of reclaimed water miscarriage, the flow-out hole from tube wall enters ecologic active dielectric layer (2)；
Step 6, the ecologic active dielectric layer (2) on laying upper strata
The ecologic active dielectric layer (2) on upper strata is laid, makes to be covered in the ecologic active dielectric layer (2) on sewage distribution pipe (3) top
No less than 100mm, the material that its ecologic active dielectric layer (2) at the middle and upper levels is selected is identical with the ecologic active dielectric layer (2) of lower floor,
A microorganism being imbedded at interval of 10m and delivering pipe (4), microorganism delivers pipe (4) in the ecologic active dielectric layer (2) on upper strata
A diameter of 10mm；
Step 7, construct eco-concrete protective layer (7)
It is 300g/m in the upper surface laying mass area ratio of the ecologic active dielectric layer (2) on upper strata2~400g/m2Nonwoven
Cloth, one layer of rubble is laid in the upper surface of non-woven fabrics, and the particle diameter of rubble is 20mm~30mm, forms non-woven fabrics separation layer (6), with
Prevent cement mortar from falling silting non-woven fabrics；
Using average grain diameter 40mm~50mm rubbles or queen closer as eco-concrete aggregate, added in eco-concrete aggregate
Cement forms eco-concrete, and cement consumption is 300kg/m3~320kg/m3, cubic compressive strength is not less than 5Mpa, stirs
Eco-concrete, is degree with the uniform package aggregate of cement mortar, the anhydrous mud trickling in surface,
Eco-concrete is cast in the top of non-woven fabrics separation layer (6), the thickness of eco-concrete laying is no less than 100mm,
And in seven days after laying, daily morning, late each wet curing 1 time；
After maintenance seven days, ecology denaturation material is charged in eco-concrete hole, wherein ecology denaturation material includes humic acid
With keratin protein material；
In the surface mulch farming soil 20mm~30mm of eco-concrete layer；
Eco-concrete grass planting waterborne is planted more than the waterline of plantation soil, aquatic plant is planted below the waterline of plantation soil
Thing；The eco-concrete grass planting waterborne is constructed using seeding method or laying lawn roll mode, eco-concrete protective layer (7)
Complete；
Step 8, the cultivation biology in ecological medium layer
Pipe (4) is delivered using the microorganism laid in step 6, to dispensing microbial inoculum in ecologic active dielectric layer (2), its
Middle microbial inoculum includes nitrifier, denitrifying bacterium or EM floras, delivers pipe (4) by microorganism and delivers earthworm.
6. the preparation method of a kind of river ecological activity waterfront according to claim 5, it is characterized in that：In the step one
Choking water building includes dam, downflow weir and sluice.
7. the preparation method of a kind of river ecological activity waterfront according to claim 5, it is characterized in that：In the step 3
Antiseepage film for composite impermeable membrane specification be 300g/m2~800g/m2。
8. the preparation method of a kind of river ecological activity waterfront according to claim 5, it is characterized in that：The sewage distribution
Pipe (3) is plastic tube, pipe of concrete or metal tube.
9. the preparation method of a kind of river ecological activity waterfront according to claim 5, it is characterized in that：The microorganism is thrown
It is plastic tube or steel pipe to put pipe (4).
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101885540A (en) * | 2010-06-28 | 2010-11-17 | 河海大学 | Ecological riparian zone combining river purification and slide slope greenbelt conservation |
| CN202099783U (en) * | 2011-05-10 | 2012-01-04 | 吉林省水利科学研究院 | Nature-imitated ecological protection structure of water banks of rivers, lakes and channels |
| CN103981834A (en) * | 2014-05-28 | 2014-08-13 | 常州大学 | Small-flow river water cleaning and pollution stopping system |
-
2017
- 2017-03-23 CN CN201710176359.8A patent/CN106927572B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101885540A (en) * | 2010-06-28 | 2010-11-17 | 河海大学 | Ecological riparian zone combining river purification and slide slope greenbelt conservation |
| CN202099783U (en) * | 2011-05-10 | 2012-01-04 | 吉林省水利科学研究院 | Nature-imitated ecological protection structure of water banks of rivers, lakes and channels |
| CN103981834A (en) * | 2014-05-28 | 2014-08-13 | 常州大学 | Small-flow river water cleaning and pollution stopping system |
Non-Patent Citations (1)
| Title |
|---|
| 沈耀良等: "《废水生物处理新技术——理论与应用》", 30 September 2000, 中国环境科学出版社：北京 * |
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