CN1243157C - Sewage treatment method for construction wetland of ditch and river bank - Google Patents
Sewage treatment method for construction wetland of ditch and river bank Download PDFInfo
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- CN1243157C CN1243157C CN200310106558.XA CN200310106558A CN1243157C CN 1243157 C CN1243157 C CN 1243157C CN 200310106558 A CN200310106558 A CN 200310106558A CN 1243157 C CN1243157 C CN 1243157C
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- 239000010865 sewage Substances 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title claims description 9
- 238000010276 construction Methods 0.000 title description 5
- 239000000126 substance Substances 0.000 claims abstract description 5
- 238000001914 filtration Methods 0.000 claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 150000001875 compounds Chemical class 0.000 claims description 14
- 238000003672 processing method Methods 0.000 claims description 13
- 239000002689 soil Substances 0.000 claims description 13
- 239000004568 cement Substances 0.000 claims description 11
- 238000011026 diafiltration Methods 0.000 claims description 10
- 230000002262 irrigation Effects 0.000 claims description 10
- 238000003973 irrigation Methods 0.000 claims description 10
- 238000004062 sedimentation Methods 0.000 claims description 5
- 239000002131 composite material Substances 0.000 claims description 4
- 239000013013 elastic material Substances 0.000 claims description 3
- 239000010881 fly ash Substances 0.000 claims description 3
- 239000003415 peat Substances 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 2
- 239000002699 waste material Substances 0.000 abstract 2
- 238000005202 decontamination Methods 0.000 abstract 1
- 230000003588 decontaminative effect Effects 0.000 abstract 1
- 230000000638 stimulation Effects 0.000 abstract 1
- 241000894007 species Species 0.000 description 10
- 238000000746 purification Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000006386 memory function Effects 0.000 description 3
- 244000005700 microbiome Species 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000001850 reproductive effect Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000005418 vegetable material Substances 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
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- Hydroponics (AREA)
- Revetment (AREA)
- Cultivation Of Plants (AREA)
Abstract
The present invention belongs to the technical field of ecological environment protection engineering and hydraulic engineering. Native species are taken as basis, ecological design is carried out by insisting a principle of 'origination from nature and superiority to nature', and a designed wet-land waste sewage processing system constructed by a ditch river slope shore has the advantages of waste sewage processing, greening slope protection, landscape beautification and sustainable utilization of resources. The present invention not only can fully exert the decontamination function of the constructed wet land system and improve the substance throughput of the system, but also has the advantages of low cost, easy operation and small ground occupation area by building a stimulation natural ecosystem. The present invention has a wide application prospect in non-point source pollution processing and ditch river network ecological restoration in China.
Description
One, technical field:
The invention belongs to ecological environmental protection engineering and hydraulic engineering technical field.
Two, background technology
At present, adopt three kinds of methods both at home and abroad during rural area and cities and towns effluent sewage pollution of area source are handled: surface stream wet land treating method, current wetland processing method and vertical-flow wetland processing method.
1. wet land treating method is flowed on the surface
Directly soil surface plantation hygrophyte, effluent sewage flows at soil surface.By the flow-control of intake-outlet, regulate surperficial water level and effluent sewage holdup time in internal system.Infilter under the moisture into the plant rhizosphere district, by microorganism and animal activity and plant absorbing, conversion and the memory function in rhizosphere district, degraded and purification effluent sewage.Although this processing method cost is low, its purification efficiency is low, and needs large-area soil, is difficult to promote in China that area is very low per capita.
2. current wetland processing method
Soil is transformed, and layering inserts absorption and converting materials such as gravel, the grains of sand, lays the ventilating water pipe network, mulching soil, and plantation hygrophyte.Flow in the ventilating water pipe of effluent sewage below soil.By the flow-control of intake-outlet, regulate undercurrent water level and effluent sewage holdup time in internal system.By microorganism and animal activity and plant absorbing, conversion and the memory function in rhizosphere district, degraded and purification effluent sewage.Although this processing method purification efficiency height, its cost is also high, and needs large-area soil, is difficult to carry out in area China very low and underdeveloped per capita.
3. vertical-flow wetland processing method
Select the higher massif of relative fall, domatic along it, soil to be transformed, layering inserts absorption and converting materials such as gravel, the grains of sand, lays the ventilating water pipe network, mulching soil, and plantation hygrophyte.Effluent sewage flows in pipeline naturally to the foot of the hill from the hilltop.By the flow-control of intake-outlet, regulate undercurrent water level and effluent sewage holdup time in internal system.By microorganism and animal activity and plant absorbing, conversion and the memory function in rhizosphere district, degraded and purification effluent sewage.Although this processing method purification efficiency height, its cost is also high, and needs the higher landform of drop, and its enforcement and popularization have limitation.
Because irrigation canals and ditches river sloping bank SEA LEVEL VARIATION is big, alternation of wetting and drying is violent and water drop is little, irrigation canals and ditches river sloping bank can not satisfy the requirement that above-mentioned three kinds of wet land treating methods are built.Simultaneously, above-mentioned three kinds of wet land treating methods are built in the water catchment area in irrigation canals and ditches river usually, all take large-area soil.
Three, summary of the invention
The objective of the invention is to based on endemic species, the expense of setting up is cheap, easy operating, be convenient to management, save time and obvious results irrigation canals and ditches river sloping bank constitution wetland effluent sewage processing method the effect that play and handle effluent sewage, counterfort virescence, beautifies view and resources.And, be based upon area, the irrigation canals and ditches network of waterways and be easy to the method promoting and adopt according to the requirement of complex technology easy, high-tech technical applicationization and supporting technology through engineering approaches.
Technical scheme of the present invention is partly formed by making up compound riverbed, construction sloping bank undercurrent filtration system, construction sloping bank surface low system, construction embankment vegetation and four of aquatic vegetation systems.Specifically comprise:
1. make up compound riverbed: by engineering measures such as widening, scabble, deep-cut, cashing the riverbed is compound riverbed, comprises inlet channel, diversion traverse furrow, interception band, is detained sedimentation basin and coarse filtration grid (Fig. 1) thereof.
2. build sloping bank undercurrent filtration system:, adopt the honeycombed cement plate that the interception band is set in both sides, compound riverbed; Between interception band and diversion traverse furrow, utilize the filter bed framework and the diafiltration dam framework of honeycombed cement plate structure multilayer, add in the framework and fill the composite interstitial substance of forming by gravel, flyash and peat, filter bed and surface, diafiltration dam plantation humidogene and emergent aquactic plant; In the side of diafiltration dam facing, lay the renewable filter bed of forming by porous elastic material to the diversion traverse furrow.Form complete sloping bank wetland undercurrent filtration system (Fig. 2).
3. build sloping bank surface low system: in both sides, compound riverbed, adopt the honeycombed cement plate that the interception band is set: the soil surface between interception band and diversion traverse furrow is directly planted humidogene and emergent aquactic plant, forms sloping bank surface stream wet land system (Fig. 3).This system and domatic undercurrent filtration system be in the riverbed (Fig. 1) alternately.
4. make up embankment vegetation and aquatic vegetation system: at the top, riverbank, directly plant arbor, shrub and turfgrass, form embankment view vegetation; Plant multiple submerged plant in the following riverbed of the main stem water surface, form river aquatic vegetation system.
The present invention is raw material with the endemic species, adheres to that the principle of " come from nature, be better than nature " is carried out the ecology design, can not constitute a threat to the indigenous ecosystem.By making up imitative natural ecosystems, can not only give full play to the dirt-removing functions of wet land system, improve system's physical capacity, and with low cost, easy operating, floor space are little.The pollution of area source of China administer and the restoration of the ecosystem of the irrigation canals and ditches network of waterways in have broad application prospects.
Four, description of drawings
River course plan view after transformation of Fig. 1 physics and the restoration of the ecosystem
1, lead 2, be detained that sedimentation basin 3, coarse filtration grid 4, diversion traverse furrow 5, sloping bank undercurrent filtration system 6, sloping bank surface streaming system 7, interception are with 8, main stem 9, aquatic vegetation are with 10, the embankment zone of vegetation 11, submersible pump 12, go up water water (flow) direction 13, water water (flow) direction down.
Fig. 2 has the river cross-section figure of sloping bank undercurrent filtration system
4, diversion traverse furrow 8, main stem 9, aquatic vegetation be with 10, the embankment zone of vegetation 14, humidogene and very the water zone of vegetation 15, arbor 16, shrub 17, turfgrass 18, renewable filter bed 19, diafiltration dam 20, composite interstitial substance filter bed 21, honeycombed cement plate 22, humidogene and emergent aquactic plant 23, water plant 24, river level
Fig. 3 has the river cross-section figure of sloping bank surface-flow system
4, diversion traverse furrow 8, main stem 9, aquatic vegetation be with 10, the embankment zone of vegetation 14, humidogene and very the water zone of vegetation 15, arbor 16, shrub 17, turfgrass 21, honeycombed cement plate 22, humidogene and emergent aquactic plant 23, water plant 24, river level
Five, the specific embodiment
Implementation process is numerous by the extensive expansion of screening basic tool species, instrument species, make up compound riverbed, construction sloping bank undercurrent filtration system, build sloping bank surface low system, build the embankment vegetation forms with aquatic vegetation system and seven links of final-period management.Particular content comprises:
1. screen the basic tool species: collect endemic species register and biological and ecological mathematic(al) parameter thereof, the suitableeest ecological amplitude of cropping endemic species is carried out the test of resistant and dirt-removing power, studies its reproductive capacity, increment and value etc.; By using target to filter out basic tool species as wet land treating system.
2. the extensive expansion of instrument species is numerous: with the basic tool species is raw material, cultivates by cell and tissue and cultivates on a large scale and expand numerously, and institute's seedling that obtains is as the vegetable material of structure wet land treating system.
3. make up compound riverbed: by engineering measures such as widening, scabble, deep-cut, cashing the riverbed is compound riverbed, comprises inlet channel, diversion traverse furrow, interception band, is detained sedimentation basin and coarse filtration grid thereof.
4. build sloping bank undercurrent filtration system:, adopt the honeycombed cement plate that the interception band is set in both sides, compound riverbed; Between interception band and diversion traverse furrow, utilize the filter bed framework and the diafiltration dam framework of honeycombed cement plate structure multilayer, add in the framework and fill the composite interstitial substance of forming by gravel, flyash and peat, filter bed and surface, diafiltration dam plantation humidogene and emergent aquactic plant; In the side of diafiltration dam facing, lay the renewable filter bed of forming by porous elastic material to the diversion traverse furrow.Form complete sloping bank wetland undercurrent filtration system.
5. build sloping bank surface low system:, adopt the honeycombed cement plate that the interception band is set in both sides, compound riverbed; Soil surface between interception band and diversion traverse furrow is directly planted humidogene and emergent aquactic plant, forms sloping bank surface stream wet land system.This system and domatic undercurrent filtration system are alternately in the riverbed.
6. make up embankment vegetation and aquatic vegetation system: at the top, riverbank, directly plant arbor, shrub and turfgrass, form embankment view vegetation; Plant multiple submerged plant in the following riverbed of the main stem water surface, form river aquatic vegetation system.
7. final-period management: in running, regularly carry out desilting, coarse filtration grid and renewable filter bed are cleaned, regularly gather in the crops the plant shoot branch to being detained sedimentation basin.
Claims (3)
1, a kind of effluent sewage processing method is characterized in that adopting the processing method of irrigation canals and ditches river artificial wet land system, and this method is made up of four parts: compound riverbed, sloping bank undercurrent filtration system, sloping bank surface low system and embankment vegetation and aquatic vegetation system; In both sides, compound riverbed, adopt the honeycombed cement plate that the interception band is set; Between interception band and diversion traverse furrow, utilize the filter bed framework and the diafiltration dam framework of honeycombed cement plate structure multilayer, add in the framework and fill the composite interstitial substance of forming by gravel, flyash and peat, filter bed and surface, diafiltration dam plantation humidogene and emergent aquactic plant; In the side of diafiltration dam facing to the diversion traverse furrow, lay the renewable filter bed of forming by porous elastic material, form complete sloping bank wetland undercurrent filtration system; In both sides, compound riverbed, adopt the honeycombed cement plate that the interception band is set; Soil surface between interception band and diversion traverse furrow is directly planted humidogene and emergent aquactic plant, forms sloping bank surface stream wet land system, and this system and domatic undercurrent filtration system are alternately in the riverbed.
2, the irrigation canals and ditches river sloping bank constitution wetland effluent sewage processing method designed according to claim 1, it is characterized in that by widening, scabble, deep-cut engineering measure, cashing the riverbed is compound riverbed, comprises inlet channel, diversion traverse furrow, interception band, is detained sedimentation basin and coarse filtration grid thereof.
3, the irrigation canals and ditches river sloping bank constitution wetland effluent sewage processing method designed according to claim 1 is characterized in that directly planting arbor, shrub and turfgrass at the top, riverbank, forms embankment view vegetation; Plant multiple submerged plant in the following riverbed of the main stem water surface, form river aquatic vegetation system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200310106558.XA CN1243157C (en) | 2003-12-08 | 2003-12-08 | Sewage treatment method for construction wetland of ditch and river bank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200310106558.XA CN1243157C (en) | 2003-12-08 | 2003-12-08 | Sewage treatment method for construction wetland of ditch and river bank |
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| Publication Number | Publication Date |
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| CN1546796A CN1546796A (en) | 2004-11-17 |
| CN1243157C true CN1243157C (en) | 2006-02-22 |
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| CN200310106558.XA Expired - Fee Related CN1243157C (en) | 2003-12-08 | 2003-12-08 | Sewage treatment method for construction wetland of ditch and river bank |
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| CN101023722B (en) * | 2006-02-21 | 2011-11-16 | 上海市南洋模范中学 | Design method of artificial filtering bed using ecological return-flow for environment protection |
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| CN101274798B (en) * | 2008-05-16 | 2010-06-02 | 哈尔滨工业大学 | Composite constructed wetland system and pretreatment method for drinking water source |
| CN101649608B (en) * | 2009-09-01 | 2011-07-27 | 同济大学 | Ecological slope protection structure |
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