CN205710288U - A kind of water correction being applied to black and odorous water improvement and restoration of the ecosystem facility - Google Patents
A kind of water correction being applied to black and odorous water improvement and restoration of the ecosystem facility Download PDFInfo
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- CN205710288U CN205710288U CN201620274367.7U CN201620274367U CN205710288U CN 205710288 U CN205710288 U CN 205710288U CN 201620274367 U CN201620274367 U CN 201620274367U CN 205710288 U CN205710288 U CN 205710288U
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Abstract
Basis is the most novel discloses a kind of water correction being applied to black and odorous water improvement and restoration of the ecosystem facility, including river course, water level is set in river course and automatically controls filtration dam (1), river course is divided into upper river (5) and downstream river course (6), near upper river (5) and downstream river course (6), is additionally provided with ecological packed bed (2) and view water channel (3)；Described ecological packed bed includes import water distribution area (1) and outlet water distribution area (2), the import water distribution area (1) of ecological packed bed (2) connects with upper river (5), the outlet water distribution area (2) of ecological packed bed (2) connects with one end of view water channel (3), and the other end of view water channel (3) connects with downstream river course (6).This facility can reach to eliminate black smelly phenomenon；Enhance the transparency, improve water quality；Eco-embankment is built；Improve the purpose of ecoscape.
Description
Technical field
This novel river regulation field that belongs to, refers to a kind of water correction being applied to black and odorous water improvement and restoration of the ecosystem facility further.
Background technology
In the river regulation in past, ratio is to use engineering to control river earlier, mainly based on improve control flood and drain flooded fields, water-retention shipping ability, utilize the controlling measurement such as flood control works, drainage project pollute and improve water quality.The dredging waterway technology that this primary stage uses mainly has river cutoff, Sediment Dredging, Riparian Zone reconstruction etc., and wherein bank protection structure is based on vertical type barricade.Under the ordering about of this theory, urban river canalization, hardening phenomenon are quite serious, and the self-purification capacity and town ecological environment improving river water is created more negative impact.
Subsequently, urban river is administered and is entered environmental conservation and comprehensive control stage.This stage is with Urban Water Environment comprehensive improvement policy for mark, carry out combined sewage to dam the building and optimize of pipeline, build centralized wastewater treatment facility, oxidation pond, land treatment system etc. and cut dirty control source for city rivers pollution, carry out the dredging waterways such as Sediment Dredging, clean water diversion, Riparian Zone lining cutting, have made some progress realizing the landscape effect of urban river, tourism and leisure function, but problem is the most many.
Although the urban river in above-mentioned two stage is administered and played a positive role in the environment of at that time, but from the perspective of organics removal with ecology, still suffer from obvious deficiency.The urban river of present stage is administered and should cut dirty control source, on the basis of bed mud biological restoration, for the purpose of strengthening Water quality restoration, ecological revetment, river channel ecology Landscape rebuilding, reaches " bank is blue or green, water is beautiful " purpose that The water is as clear as a mirror.
Utility model content
For the deficiencies in the prior art, this novel offer is a kind of is applied to water correction and the restoration of the ecosystem facility that black and odorous water is administered, to reach to eliminate black smelly phenomenon；Enhance the transparency, improve water quality；Eco-embankment is built；Improve the purpose of ecoscape.
In order to solve above-mentioned technical problem, basis is the most novel be the technical scheme is that
A kind of water correction being applied to black and odorous water improvement and restoration of the ecosystem facility, including river course, water level is set in river course and automatically controls filtration dam, river course is divided into upper river and downstream river course, near upper river and downstream river course, be additionally provided with ecological packed bed and view water channel；Described ecological packed bed includes import water distribution area and outlet water distribution area, and the import water distribution area of ecological packed bed connects with upper river, and the ecological outlet water distribution area of packed bed connects with one end of view water channel, and the other end of view water channel connects with downstream river course.
Described water level automatically controls filtration dam and includes by front end Ba Bi, the chamber, dam that rear end Ba Bi and bottom dam foundation plinth are formed, lumenal levels direction, described dam is provided with filter plate, chamber, dam is divided into upper and lower two parts by described filter plate, bottom, chamber, dam is divided into collecting chamber, chamber, dam upper part vertical direction is provided with at least one piece of dividing plate so that chamber, dam upper part is divided into multiple filter chamber；Supporting layer, shale filter material layer, rubble sand filter material layer, upper strata two-way filter cover plate, top layer fine fack and top layer coarse rack the most all it is disposed with in any one filter chamber described.
Described water level automatically controls filtration dam, not only acts as automatic fitration and the effect purified water, and can automatically control the water body exchange administering water system with other water system, can improve the mobility administering water system water body simultaneously.
The concrete preferred version that described water level automatically controls filtration dam is as follows:
Preferred version, the thickness of described filter plate is 8mm-12mm, and described filter plate is drilled with the hole of 20mm-25mm, and pitch of holes is 50mm-60mm.
Preferred version, the outlet of described collecting chamber is provided with outlet fine fack and outlet coarse rack.
Preferred version, the gap of described outlet fine fack is 3mm-5mm, and the gap of described outlet coarse rack is 8mm-12mm.
Preferred version, described supporting layer selection particle diameter is the cobble of 32-64mm, and thickness is 200-300mm；Described shale filter material layer selects particle diameter to be 16～25mm shale granules, and thickness is 300-400mm；The rubble sand that described rubble sand filter material layer selects particle diameter to be 4～8mm, thickness is 300-400mm；Described upper strata two-way filter cover plate material is steel plate, and thickness is 10-20mm, and steel plate is drilled with hole, and pitch of holes is 150-200mm, the double filter of fastening in hole；The gap of described top layer fine fack is 3mm-5mm；The gap of described top layer coarse rack is 10mm-12mm.
Preferred version, described top layer coarse rack is 45 ° with the horizontal sextant angle of front end Ba Bi, and formation meets water domatic, to adapt to the change of different water level.
Described a kind of water level being applied to river regulation is filtering dam, automatically operationally, when upper river peak level H.W.L filters higher than downstream river course lowest water level [L.W.L] ＇；Backwash is carried out as downstream river course peak level [H.W.L] ＇ river course lowest water level L.W.L.
Advantage compared with traditional dam body is: have the dual-use function of dam and bioreactor.1. filtering and in backwash process, it is not necessary to any equipment, the most top, downstream water potential difference automatic control controls.2. by the biological cleaning of filtrate in dam body, filter, the function such as absorption reaches the effect that purifies water.
Described ecological packed bed also includes the ecological packed bed main part between import water distribution area and outlet water distribution area; described ecological packed bed main part is sequentially provided with impervious barrier from the bottom up; air hose supporting layer; shale packing layer; mixed filler layer, unsaturated carbon filling material layer, fine sand for protection layer; improvement nutrition soil layer and emergent aquactic plant layer, be provided with air hose in described air hose supporting layer.
Described ecological packed bed, can effectively solve Traditional Man wetland and hold susceptible to plugging shortcoming, its good denitrogenation and dephosphorization effect.
The concrete preferred version of described ecological packed bed is as follows:
Preferred version, described import water distribution area water inlet end top is provided with water inlet pipe, is provided with import water distribution area gabion inside described import water distribution area, and described import water distribution area is provided with import water distribution area perforated plate with ecological packed bed main part intersection.
Preferred version, is provided with outlet pipe bottom described outlet water distribution area water side, be provided with outlet water distribution area gabion inside described outlet water distribution area, and described outlet water distribution area is provided with outlet water distribution area perforated plate with ecological packed bed main part intersection.
Preferred version, described impervious barrier thickness is 200-300mm, and impervious barrier is covered with polypropylene anti-seepage geomembrane；The coarse gravel that described air hose supporting layer selects particle diameter to be 16～32mm, thickness is 300-400mm；The shale granule that described shale packing layer selects particle diameter to be 16～32mm, thickness is 200-300mm；Coarse gravel and the iron ore that described mixed filler layer selects particle diameter to be 16～32mm, thickness is 200-300mm；The unsaturated charcoal that described unsaturated carbon filling material layer selects particle diameter to be 8～16mm, thickness is 300-400mm；The quartz sand that described fine sand for protection layer selects particle diameter to be 4～8mm, thickness is 100-200mm；Described improvement Nutrition Soil layer thickness is 300-400mm.
Described improvement Nutrition Soil is to select flyash to account for 20%, and trace copper, ferrum, zinc, boron, molybdenum respectively account for 2%, and local general clay accounts for 7% Nutrition Soil being composited.
The plantation of described emergent aquactic plant includes Herba Typhae, Rhizoma Acori Graminei, Herba Scirpi Tabernaemontani, Herba Lythri Salicariae etc..
When the principle of this novel ecological packed bed is 1. contact precipitation effect, i.e. polluted river water by ecological packed bed, in suspended contaminant particles in water and filler, the biomembrane of attachment produces precipitation, thus separates with water body；2. adsorption, i.e. river water pollutant are had an effect with the electric charge of multiple filling surface, produce materialization adsorption phenomena, and pollutant are attached on multiple filling surface；3. oxidation Decomposition, i.e. formed ecosystem by Mollusca, emergent aquactic plants such as a large amount of microorganisms in ecological packed bed, tiny organism, Bellamya quadratas, Organic substance is carried out biological reinforced decomposition as nutrient substance, it is changed into the simple inorganic matter containing C, N, P etc., for the biomembrane of ecological packed bed, families of plant absorption, utilization.
Comparing with traditional artificial swamp, this is the most novel carries out aeration owing to being provided with air hose bottom ecological packed bed, solves blockage problem；Owing to the definite functions of pollutant removed by multiple filler, and having planted emergent aquactic plant at top, it is effective that it removes TP (total phosphorus), TN (total nitrogen).
Described view water channel preferably includes river bed bed course, the shore protection Ecotypic Stone Mesh-box being positioned at view water channel both sides, is positioned at the footpath above shore protection Ecotypic Stone Mesh-box, described river bed bed course be arranged over adsorption reaction layer, four filling areas it are divided in described shore protection Ecotypic Stone Mesh-box, with the side that contacts with water as outside, it is followed successively by speed point biochemistry ball filling area, fertilizer ball filling area, stone filling area, soil ball filling area from outside to inside.
Described view water channel, on the basis of water correction with restoration of the ecosystem, reaches the perfect adaptation with view, and structure is more stable, and water body self-purification ability is higher.
Described view water channel includes river bed bed course, the shore protection Ecotypic Stone Mesh-box being positioned at view water channel both sides, is positioned at the footpath above shore protection Ecotypic Stone Mesh-box and submerged plant, floatingleaved plant, shore protection plant, footpath side plant；Described river bed bed course be arranged over adsorption reaction layer, be divided into four filling areas in described shore protection Ecotypic Stone Mesh-box, with the side that contacts with water as outside, be followed successively by speed point biochemistry ball filling area, fertilizer ball filling area, stone filling area, soil ball filling area from outside to inside.This structure and the mode of filling are so that riverbank structure is more stable, and are more suitable for various plant and biological existence, improve water body self-purification ability.
The concrete preferred version of described view water channel is as follows:
Preferred version, described river bed bed course is the cobble of 16～32mm, and thickness is 150-200mm.
Preferred version, described adsorption reaction layer is the quartz sand of 1～2mm, and thickness is 300-400mm.
Preferred version, described shore protection Ecotypic Stone Mesh-box be with zinc-plated, plastic-blasting wire gauze or with bamboo establishment bamboo cage.Shore protection Ecotypic Stone Mesh-box height is 240mm, and width is 480mm, a length of 1200～1600mm.Build stepped shore protection, and combine plant, rubble to strengthen its stability and ecological.
Preferred version, the speed point biochemistry ball in described speed point biochemistry ball filling area fill out particle diameter be 100-120mm, fertilizer spherolite footpath in described fertilizer ball filling area be 80～100mm, in described stone filling area stone particle diameter be 60-80mm, soil spherolite footpath, described soil ball filling area be 60-100mm.
Preferred version, described submerged plant is to plant between Antirrhinum majus L., Huang Sicao；Described floatingleaved plant is to plant between Flos nymphaeae (Nymphaea teragona Georgi), Rhizoma Alismatis；Described shore protection plant is to plant between hay grass, phragmites communis.Described footpath side plant is Canna generalis Bailey.
Described view water channel is the theme with " Ecology Human Settlements, environment sustainable development " and carries out view water channel design, can recover the living species landscape diversity of water body, and structure is more stable, and water body self-purification ability is higher.To create the ecological environment of " scape U.S. can appreciate, water clearly can fishing ", it is suitable for the view water channel that people lie fallow, live, view and admire.
This novel workflow is: the most 1. pending river course water level automatically controls filtration dam and is separated into upper river and downstream river course；The water body in the most pending river course flows through water level and automatically controls filtration dam, and after the biological cleaning of the multiple filtrate in dam body, adsorbing, filter, after process, water body flows into downstream river course；3. with immersible pump, water body pending for upper river being pumped into ecological packed bed, acted on by contact precipitation, absorption, oxidation Decomposition etc., the exchange of former water water body flows into view water channel after purifying；4. the water after ecological packed bed processes adds to downstream river course after further contact precipitation, absorption and oxygenolysis in view water channel.
Compared with prior art, this novel advantage is:
1. with " flowing → purify → repair " for administering and the theory of reparation, by promoting water body flow, purify and improve water quality and repair ecosystem management thinking to reach the target of engineering.
2. combine with river ecological landscape technique with former water water body purification technology, improve river water body water quality, reached again the purpose beautified the environment.
3. create and there is the water level of dam and bioreactor dual-use function automatically control filtration dam.
Accompanying drawing explanation
Fig. 1 is a kind of water correction being applied to black and odorous water improvement and the region plane of arrangement schematic diagram of restoration of the ecosystem facility；
Fig. 2 is that embodiment middle water level automatically controls the floor map filtering dam；
Fig. 3 is that embodiment middle water level automatically controls the generalized section filtering dam；
Fig. 4 is plane and the generalized section of ecological packed bed in embodiment；
Fig. 5 is plane and the generalized section of ecological packed bed in embodiment；
Fig. 6 is plane and the generalized section of view water channel in embodiment；
Fig. 7 is plane and the generalized section of view water channel in embodiment；
Fig. 8 is a kind of water correction being applied to black and odorous water improvement and the process chart of restoration of the ecosystem facility.
Detailed description of the invention
Novel in order to be better understood from, below constructive embodiment to this novel further description.
Embodiment 1
From Fig. 1, Fig. 2, Fig. 3, a kind of water correction being applied to black and odorous water improvement and restoration of the ecosystem facility, including river course, water level is set in river course and automatically controls filtration dam 1, river course is divided into upper river 5 and downstream river course 6, near upper river 5 and downstream river course 6, is additionally provided with ecological packed bed 2 and view water channel 3；Described ecological packed bed includes import water distribution area 2-1 and outlet water distribution area 2-2, import water distribution area 2-1 of ecological packed bed 2 connects with upper river 5, ecological outlet water distribution area 2-2 of packed bed 2 connects with one end of view water channel 3, and the other end of view water channel 3 connects with downstream river course 6.
Described water level automatically controls filtration dam 1 and includes by dam, front end wall 1-1, the chamber, dam that dam, rear end wall 1-2 and bottom dam foundation plinth 1-3 is formed, lumenal levels direction, described dam is provided with filter plate 1-6, chamber, dam is divided into upper and lower two parts by described filter plate 1-6, bottom, chamber, dam is divided into collecting chamber 1-4, chamber, dam upper part vertical direction is provided with at least one piece of dividing plate 1-5 so that chamber, dam upper part is divided into multiple filter chamber；Supporting layer 1-61, shale filter material layer 1-62, rubble sand filter material layer 1-63, upper strata two-way filter cover plate 1-64, top layer fine fack 1-7 and top layer coarse rack 1-8 the most all it is disposed with in any one filter chamber described；
Being dam foundation plinth 1-3 bottom described collecting chamber 1-4, be arranged above with steel filter plate 1-6, steel filter plate 1-6 thickness is 8mm.Being drilled with 20mm hole on filter plate, pitch of holes is 60mm.Collecting chamber 1-4 outlet is provided with collecting chamber outlet fine fack 1-41 and collecting chamber outlet coarse rack 1-42.Fine fack gap is 3mm, and coarse rack gap is 10mm.Steel filter plate 1-6 and 2 pieces of separations of dam intracavity that collecting chamber 1-4 is arranged above with are erect steel plate 1-5 and are welded to form filter chamber.The thickness erectting steel plate is 10mm.
Described filter chamber is disposed with from the bottom up:
Supporting layer 1-61, the cobble selecting particle diameter to be 32～64mm, thickness is 300mm.Supporting layer major function is to support filter material layer above.
Shale filter material layer 1-62, the shale granule selecting particle diameter to be 16～25mm, thickness is 400mm.The major function of shale filter material layer is to remove the nitrogen (N) in contaminated river course and phosphorus (P) and Organic substance (COD, BOD).
Rubble sand filter material layer 1-63, the rubble sand selecting particle diameter to be 4～8mm, thickness is 400mm.The major function of rubble sand is amputation particle, plays filtration and biological respinse effect.
Upper strata two-way filter cover plate 1-64, material is steel plate, and thickness is 10mm, and steel plate bores 33mm hole, and pitch of holes is 150mm.Fastening two-way filter in hole, two-way filter specification is × H=80 × 140mm.Filterins media run-off is prevented when the major function of upper strata two-way filter cover plate is for filtering with backwash.
Top layer fine fack 1-7, gap is 3mm.
Top layer coarse rack 1-8, gap is 10mm.
The horizontal sextant angle of top layer coarse rack 1-8 and dam, front end wall 1-1 is that 45 ° of formation meet water domatic, to adapt to the change of different water level.
Top layer is thick, the major function of fine fack is to intercept the large and small float on river surface.
Described water level automatically controls filtration dam, operationally, filters when upper river peak level H.W.L is higher than downstream river course lowest water level [L.W.L] ＇；Backwash is carried out when downstream river course peak level [H.W.L] ＇ is higher than upper river lowest water level L.W.L.
Described water level automatically controls and filters the advantage that compares with traditional dam body of dam and be: have the dual-use function of dam and bioreactor.1. filtering and in backwash process, it is not necessary to any equipment, the most top, downstream water potential difference automatically controls.2. by the biological cleaning of filtrate in dam body, filter, the function such as absorption reaches the effect that purifies water.
(2) the ecological packed bed of bank construction filtered near dam is automatically controlled at structure water level.
From Fig. 1, Fig. 4, Fig. 5
Described ecological packed bed 2 also includes ecological packed bed main part 2-3 between import water distribution area 2-1 and outlet water distribution area 2-2; described ecological packed bed main part 2-3 is sequentially provided with impervious barrier 2-31 from the bottom up; air hose supporting layer 2-32; shale packing layer 2-34; mixed filler layer 2-35, unsaturated carbon filling material layer 2-36, fine sand for protection layer 2-37; improvement nutrition soil layer 2-38 and emergent aquactic plant layer 2-39, is provided with air hose 2-33 in described air hose supporting layer 2-32.
Described import water distribution area 2-1 water inlet end top is provided with water inlet pipe 2-11, being provided with import water distribution area water inlet water distribution area gabion 2-12 inside described import water distribution area 2-1, described import water distribution area is provided with import water distribution area perforated plate 2-13 with ecological packed bed main part 2-3 intersection.
It is provided with outlet pipe 2-21 bottom described outlet water distribution area 2-2 water side, being provided with outlet water distribution area outlet water distribution area gabion 2-12 inside described outlet water distribution area 2-2, described outlet water distribution area 2-2 is provided with outlet water distribution area perforated plate 2-23 with ecological packed bed main part 2-3 intersection.
Do further description below.
The head end pool wall of described import water distribution area 2-1 and import water distribution area perforated plate 2-13 form cell cavity, completely it is filled into mouth of a river water distribution area gabion 2-12 (stone of metal mesh built-in 80～100mm) in cell cavity, in the water inlet water distribution area gabion 2-12 of top, water inlet pipe 1-1 is set.Import water distribution area perforated plate 2-13 material is steel plate, and thickness is 10mm, uses epoxy zinc-rich anticorrosion.Steel plate piercing aperture is 50mm, and pitch of holes is 100mm.
The end pool wall of described outlet water distribution area 2-2 and outlet water distribution area perforated plate 2-23 form cell cavity, completely fill out mouth of a river water distribution area gabion 2-12 (stone of metal mesh built-in 60～80mm) in cell cavity, in the outlet water distribution area gabion 2-12 of bottom, outlet pipe 2-21 is set.Outlet water distribution area perforated plate 2-23 material is steel plate, and thickness is 10mm, uses epoxy zinc-rich anticorrosion.Steel plate piercing aperture is 50mm, and pitch of holes is 100mm.
Ecological packed bed main part 2-3 arranged between import water distribution area 2-1 and outlet water distribution area 2-2, is disposed with from the bottom up:
Described impervious barrier 2-31 is mixed by clay and bentonite 6:4 by volume, and thickness is 200mm, above the tight polypropylene anti-seepage geomembrane spreading 250g/.
The coarse gravel that described air hose supporting layer 2-32 selects particle diameter to be 16～32mm, thickness is 400mm.
Described air hose 2-33 is arranged among air hose supporting layer 2-32, and air hose supervisor's caliber is DN150mm, and each branch diameter is DN50mm, and tube pitch is 200mm, and arm bottom has aperture along centrage both sides 45° angle, and aperture is 5mm, and pitch of holes is 200mm.
The shale granule that described shale packing layer 2-34 selects particle diameter to be 16～32mm, thickness is 200mm, and the major function of shale filler is to remove TP (total phosphorus).
Coarse gravel and the iron ore that described mixed filler layer 2-35 selects particle diameter to be 16～32mm, thickness is 200mm, and coarse gravel accounts for 80%, and iron ore accounts for 20%.The major function of mixed fillers is to remove TN (total nitrogen).
The Linesless charcoal that described unsaturated carbon filling material layer 2-36 selects particle diameter to be 8～16mm, thickness is 300mm.The major function of unsaturated carbon filling material is to remove CODcr, BOD5(Organic substance).
The quartz sand that described fine sand for protection layer 2-37 selects particle diameter to be 4～8mm, thickness is 100mm.
Described improvement nutrition soil layer 2-38 selects flyash to account for 20%, and trace copper, ferrum, zinc, boron, molybdenum respectively account for 2%, and local general clay accounts for 7% and is composited, and specification is 100 mesh, and thickness is 300mm.
Described emergent aquactic plant layer 2-39 kind plants Herba Typhae, Rhizoma Acori Graminei, Herba Scirpi Tabernaemontani, Herba Lythri Salicariae 4 kinds.
(3) Way out at ecological packed bed builds view water channel with downstream main stem connecting place.
From Fig. 1, Fig. 6, Fig. 7, described view water channel 3 includes river bed bed course 3-1, the shore protection Ecotypic Stone Mesh-box 3-3 being positioned at view water channel both sides, is positioned at footpath 3-4 above shore protection Ecotypic Stone Mesh-box 3-3, described river bed bed course 3-1 is arranged over adsorption reaction layer 3-2, it is divided into four filling areas in described shore protection Ecotypic Stone Mesh-box 3-3, with the side that contacts with water as outside, it is followed successively by speed point biochemistry ball filling area, fertilizer ball filling area, stone filling area, soil ball filling area from outside to inside.
Described river bed bed course 3-1 is the cobble of 16～32mm, and thickness is 150mm.Major function is isolation polluted bed mud and water body, prevents pollutants in sediments from migrating to water body.
Described adsorption reaction layer 3-2 is the quartz sand of 1～2mm, and thickness is 300mm.Major function is that safety covers, and current are produced contact precipitation, absorption and oxygenolysis, to improve water quality, to repair water ecological setting.
Described shore protection Ecotypic Stone Mesh-box 3-3 is with zinc-plated, plastic-blasting steel ironshaper silk screen or with the bamboo cage of bamboo establishment (the speed mitogeneticization gauge ball lattice filled in cage are 120mm, fertilizer gauge ball lattice 80～100mm, stone specification are 60mm, concentrate soil gauge ball lattice is 60mm).Shore protection ecology cage height is 240mm, and width is 480mm, a length of 1200～1600mm, builds up step shore protection, and combines plant, rubble to strengthen its stability and ecological.Major function provides vivosphere for antiscour with for water plant, animal with microorganism.
Described footpath 3-4 is common paved footpath.
Described submerged plant 3-5 is to plant between Antirrhinum majus L., Huang Sicao.Major function is the vivosphere increasing aquatic animals and plants, increases the level of Water space.
Described floatingleaved plant 3-6 is to plant between Flos nymphaeae (Nymphaea teragona Georgi), Rhizoma Alismatis.Major function, for adapting to water body habitat, Project Areas, flowering plant, has certain landscape effect.
Described shore protection plant 3-7 is to plant between hay grass, phragmites communis.Major function is prominent natural, ecological temperament and interest, weakens embankment hard effect.
Described footpath side plant 3-8 is Canna generalis Bailey.Major function is view water channel, increases aesthetic feeling.
Described water lift view aerator 3-9 selects OBAO-2008C, power HP/kw to be 1.5/1.2, and rotating speed is 2800rpm, and oxygen transfer rate is 3.2～4.0kgO2/ h, circulation flux is 200m3/h.Major function is strength aeration aerating, to improve water quality；Scape, beautifying water body can be made again.
View water channel 3 length is about 200～1000m, design head 0.5～1.0m, water channel top width 1.5～3.0m, bottom width 0.5～1.0m.
(4) described immersible pump 4 selects model to be NL-200-10, flow Q=200m3/ h, lift H=10m, power N=30kw, rotating speed 1450r/min.
This novel workflow is: the most 1. pending river course water level automatically controls filtration dam and is separated into upper river 5 and downstream river course 6；The water body in the most pending river course 5 flows through water level and automatically controls filtration dam 1, after the biological cleaning of the multiple filtrate in dam body, adsorbing, filter, and water body inflow downstream river course 6 after process；3. with immersible pump 4, water body pending for upper river 5 being pumped into ecological packed bed 2, acted on by contact precipitation, absorption, oxidation Decomposition etc., the exchange of former water water body flows into view water channel 3 after purifying；4. the water after ecological packed bed 2 processes adds to downstream river course 5. after further contact precipitation, absorption and oxygenolysis in view water channel 3
The river course in certain city is carried out in water correction and Ecological Restoration Project with ecological restoring method by a kind of black and odorous water improvement water correction that is applied to utilizing the present invention, the water quality index DO ＜ 0.575mg/L of upper river, COD≤151.0mg/L, BOD≤11.1mg/L, NH3-N≤14.495mg/L, TP≤1.736mg/L, TN≤15.59mg/L, use the technological process of the present invention, the water quality index of the downstream river course through processing: COD≤40mg/L, BOD≤10mg/L, NH3-N≤2.0mg/L, TP≤0.4mg/L, TN≤2.0mg/L, water quality reaches " sewage disposal regeneration water for scenic environment use water standard " (GB/T 18921-2002) national standard；Downstream river course water body transparency in summer generally improves to 48cm, reaches 67cm winter.Eliminating the black smelly phenomenon in river, it is achieved that embankment ecology, water landscape is graceful.
Claims (9)
1. one kind is applied to water correction and the restoration of the ecosystem facility that black and odorous water is administered, including river course, it is characterized in that, water level is set in river course and automatically controls filtration dam (1), river course is divided into upper river (5) and downstream river course (6), near upper river (5) and downstream river course (6), is additionally provided with ecological packed bed (2) and view water channel (3)；Described ecological packed bed includes import water distribution area (2-1) and outlet water distribution area (2-2), the import water distribution area (2-1) of ecological packed bed (2) connects with upper river (5), the outlet water distribution area (2-2) of ecological packed bed (2) connects with one end of view water channel (3), and the other end of view water channel (3) connects with downstream river course (6).
It is applied to water correction and restoration of the ecosystem facility that black and odorous water is administered the most according to claim 1, it is characterized in that, described water level automatically controls filtration dam (1) and includes by front end Ba Bi (1-1), the chamber, dam that rear end Ba Bi (1-2) and bottom dam foundation plinth (1-3) are formed, lumenal levels direction, described dam is provided with filter plate (1-6), chamber, dam is divided into upper and lower two parts by described filter plate (1-6), bottom, chamber, dam is divided into collecting chamber (1-4), chamber, dam upper part vertical direction is provided with at least one piece of dividing plate (1-5), chamber, dam upper part is made to be divided into multiple filter chamber；Supporting layer (1-61), shale filter material layer (1-62), rubble sand filter material layer (1-63), upper strata two-way filter cover plate (1-64), top layer fine fack (1-7) and top layer coarse rack (1-8) the most all it is disposed with in any one filter chamber described.
It is applied to water correction and restoration of the ecosystem facility that black and odorous water is administered the most according to claim 2, it is characterized in that, the outlet of described collecting chamber (1-4) is provided with outlet fine fack (1-41) and outlet coarse rack (1-42).
It is applied to water correction and restoration of the ecosystem facility that black and odorous water is administered the most according to claim 3, it is characterized in that, the gap of described outlet fine fack (1-41) is 3mm-5mm, and the gap of described outlet coarse rack (1-42) is 8mm-12mm.
The most according to claim 2, be applied to water correction and restoration of the ecosystem facility that black and odorous water is administered, it is characterized in that, described supporting layer (1-61) selects particle diameter to be the cobble of 32-64mm, and thickness is 200-300mm；Described shale filter material layer (1-62) selects particle diameter to be 16～25mm shale granules, and thickness is 300-400mm；The rubble sand that described rubble sand filter material layer (1-63) selects particle diameter to be 4～8mm, thickness is 300-400mm；Described upper strata two-way filter cover plate (1-64) material is steel plate, and thickness is 10-20mm, and steel plate is drilled with hole, and pitch of holes is 150-200mm, the double filter of fastening in hole；The gap of described top layer fine fack (7) is 3mm-5mm；The gap of described top layer coarse rack (8) is 10mm-12mm.
It is applied to water correction and restoration of the ecosystem facility that black and odorous water is administered the most according to claim 1, it is characterized in that, described ecological packed bed (2) also includes the ecological packed bed main part (2-3) being positioned between import water distribution area (2-1) and outlet water distribution area (2-2), described ecological packed bed main part (2-3) is sequentially provided with impervious barrier (2-31) from the bottom up, air hose supporting layer (2-32), shale packing layer (2-34), mixed filler layer (2-35), unsaturated carbon filling material layer (2-36), fine sand for protection layer (2-37), improvement nutrition soil layer (2-38) and emergent aquactic plant layer (2-39), it is provided with air hose (2-33) in described air hose supporting layer (2-32).
It is applied to water correction and restoration of the ecosystem facility that black and odorous water is administered the most according to claim 6, it is characterized in that, described import water distribution area (2-1) water inlet end top is provided with water inlet pipe (2-11), described import water distribution area (2-1) is internal is provided with import water distribution area gabion (2-12), described import water distribution area is provided with import water distribution area perforated plate (2-13) with ecological packed bed main part (2-3) intersection
It is provided with outlet pipe (2-21) bottom described outlet water distribution area (2-2) water side, described outlet water distribution area (2-2) is internal is provided with outlet water distribution area gabion (2-22), and described outlet water distribution area (2-2) is provided with outlet water distribution area perforated plate (2-23) with ecological packed bed main part (2-3) intersection.
The most according to claim 6, be applied to water correction and restoration of the ecosystem facility that black and odorous water is administered, it is characterized in that, described impervious barrier (2-31) thickness is 200-300mm, and impervious barrier is covered with polypropylene anti-seepage geomembrane；The coarse gravel that described air hose supporting layer (2-32) selects particle diameter to be 16～32mm, thickness is 300-400mm；The shale granule that described shale packing layer (2-34) selects particle diameter to be 16～32mm, thickness is 200-300mm；Coarse gravel and the iron ore that described mixed filler layer (2-35) selects particle diameter to be 16～32mm, thickness is 200-300mm；The unsaturated charcoal that described unsaturated carbon filling material layer (2-36) selects particle diameter to be 8～16mm, thickness is 300-400mm；The quartz sand that described fine sand for protection layer (2-37) selects particle diameter to be 4～8mm, thickness is 100-200mm；Described improvement nutrition soil layer (2-38) thickness is 300-400mm.
It is applied to water correction and restoration of the ecosystem facility that black and odorous water is administered the most according to claim 1, described view water channel (3) includes river bed bed course (3-1), it is positioned at the shore protection Ecotypic Stone Mesh-box (3-3) of view water channel both sides, it is positioned at the footpath (3-4) of shore protection Ecotypic Stone Mesh-box (3-3) top, described river bed bed course (3-1) be arranged over adsorption reaction layer (3-2), it is divided into four filling areas in described shore protection Ecotypic Stone Mesh-box (3-3), with the side that contacts with water as outside, it is followed successively by speed point biochemistry ball filling area from outside to inside, fertilizer ball filling area, stone filling area, soil ball filling area.
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| CN201620274367.7U CN205710288U (en) | 2016-04-05 | 2016-04-05 | A kind of water correction being applied to black and odorous water improvement and restoration of the ecosystem facility |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109867322A (en) * | 2019-04-02 | 2019-06-11 | 无锡市政设计研究院有限公司 | A kind of eco-filtration dam in black and odorous water regulation |
| AU2017372226B2 (en) * | 2016-12-06 | 2020-05-07 | Passavant-Geiger Gmbh | Horizontal-flow sand filtration pool and water treatment process thereof |
-
2016
- 2016-04-05 CN CN201620274367.7U patent/CN205710288U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2017372226B2 (en) * | 2016-12-06 | 2020-05-07 | Passavant-Geiger Gmbh | Horizontal-flow sand filtration pool and water treatment process thereof |
| US11180395B2 (en) | 2016-12-06 | 2021-11-23 | Aqseptence Group (Hangzhou) Co., Ltd. | Horizontal-flow sand filtration pool and water treatment process thereof |
| CN109867322A (en) * | 2019-04-02 | 2019-06-11 | 无锡市政设计研究院有限公司 | A kind of eco-filtration dam in black and odorous water regulation |
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