CN108658366A - It is regulated and stored library based on the Raw Drinking Water for strengthening ecological purification - Google Patents
It is regulated and stored library based on the Raw Drinking Water for strengthening ecological purification Download PDFInfo
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- CN108658366A CN108658366A CN201810240014.9A CN201810240014A CN108658366A CN 108658366 A CN108658366 A CN 108658366A CN 201810240014 A CN201810240014 A CN 201810240014A CN 108658366 A CN108658366 A CN 108658366A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
- C02F3/348—Biological treatment of water, waste water, or sewage characterised by the microorganisms used characterised by the way or the form in which the microorganisms are added or dosed
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
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- 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
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- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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- C02F2209/18—PO4-P
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- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/22—O2
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/20—Prevention of biofouling
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
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Abstract
A kind of Raw Drinking Water that strengthening ecological purification is regulated and stored library, including：Water inlet is set to for improving the dissolved oxygen of storage raw water to strengthen pollutant decomposition, and biological floating bed by micro- aeration of biological floating bed root system of plant interception suspended particulate substance；The confluence submerged plant area of water outlet and middle part is set to be spaced apart by undercurrent ecological wetland, for improving reservoir area hydrodynamic condition, extending the time of contact of raw water and undercurrent ecological wetland with several ecological wetland gallerys of enhancing water body self-purification ability.Raw Drinking Water enters the ecological wetland gallery that undercurrent ecological wetland separates through the biological floating bed oxygenation of micro- aeration and after purifying, higher flow velocity is maintained to realize pollutant purification with wetland continuous contact in the form of flow-disturbing, then unhurried current is purified by submerged plant area and by submerged plant layering, and purified raw water is delivered to waterworks as good water sources.The present invention can be substantially reduced raw water micropollutants and reservoir area eutrophication pollution, promote Raw Drinking Water water quality.
Description
Technical field
It is specifically a kind of based on the Raw Drinking Water for strengthening ecological purification the present invention relates to a kind of technology of water treatment field
It regulates and stores library, strengthens water body self-purification function by the regulate and store Ecological Layout in library of optimization and prevent eutrophication pollution.
Background technology
Regulating reservoir is built in potable water source district, before Raw Drinking Water processing is advanceed to water factory and is environmental risk thing
Part emergency processing provides buffering water, becomes the important means of current city drinking water source guarantee.Existing drinking water source
Library of regulating and storing is more to emphasize interim water storage function, does not strengthen the ecological purification function in library of regulating and storing but, leads to part regulating reservoir
Although floor space is very big, since ecological functions lack, not only fail effectively to reduce raw water pollutant, or even eutrophy occur
The problem of changing pollution.
Invention content
It is regulated and stored library based on the Raw Drinking Water for strengthening ecological purification in view of the deficiencies of the prior art, the present invention proposes a kind of,
Raw Drinking Water enters the ecological wetland gallery that undercurrent ecological wetland separates through the biological floating bed oxygenation of micro- aeration and after purifying, and maintains
Higher flow velocity realizes pollutant purification in the form of flow-disturbing with wetland continuous contact, and then unhurried current by submerged plant area and is sunk
Filtration, purification, purified raw water are delivered to waterworks to water plant as good water sources layer by layer.The present invention can be substantially reduced original
Water micropollutants and reservoir area eutrophication pollution promote Raw Drinking Water water quality.
The present invention is achieved by the following technical solutions：
The present invention includes：Be set to water inlet for improve storage raw water dissolved oxygen decomposed with strengthening pollutant, and lead to
It is biological floating bed with the micro- aeration for slowing down the blocking of undercurrent ecological wetland to cross biological floating bed root system of plant interception particulate matter, is set to water outlet
The confluence submerged plant area and middle part of mouth are spaced apart by undercurrent ecological wetland for improving reservoir area hydrodynamic condition with enhancing
The ecological wetland gallery of water body self-purification ability.
Micro- aeration is biological floating bed to include：Micro- aeration tube and the spacing distance setting laid perpendicular to runoff direction
It is biological floating bed, wherein：Micro- aeration tube combines no less than three groups, and floating bed front and back work on runoff direction with biological floating bed interval
Dynamic setting is to realize biological floating bed alternation gradually, it is ensured that needs the biological floating bed water that is in always gathered in most front-seat, and raw water
It is no less than 0.5h by the time of the micro- biological floating bed section of aeration of water inlet.
Micro- aeration tube preferably uses antimicrobial form rubber superfine aeration tube or PE porous nano pipes.
It is described it is biological floating bed be based on water hyacinth, frogbit, watermifoil or water spinach, with PVC, PE pipe+polypropylene,
Polystyrene frame is the artificial ecological system of vector construction, wherein：The root system of plant for being suspended in water body is smoked in receipts nutrients
Matter, fixed suspended particulate substance simultaneously provide attachment carrier for microorganism, and microorganism further decomposes water pollutant by being metabolized, from
And realize the purification of implantation water body, achieve the purpose that repair and reconstruction water ecology.
Micro- aeration tube is set to the water surface or less 1.0-5.0m, and it is floating with ecology that 1.0-5.0m is spaced on runoff direction
Bed parallel interval combination, the biological floating bed width on runoff direction are not less than 20.0m.
The ecological wetland gallery is the parallel water stream channel formed by undercurrent ecological wetland interval, ecological wetland gallery
Width be no more than 10.0m, flow velocity be not less than 0.2m/s；Micro- aeration is biological floating bed to be equipped between ecological wetland gallery
Ecology corridor sluice requires to open according to processing water, to ensure that flow velocity is not less than 0.2m/s in gallery.
The undercurrent ecological wetland includes：Positioned at the slabstone of substrate, gravel, the clinker for being layed in middle level, slag, volcano
Emergent aquactic plant of the thin sand and soil and plantation on stone and laying and upper layer in thin sand and soil.
The emergent aquactic plant includes：Reed, Lu Di, thaliadeabata, rhizoma calami or Lythrum salicaria or combinations thereof can utilize hair
The root system reached penetrates somatomedin, and conveys dissolved oxygen downwards, secretion organic matter, rhizosphere microbial is promoted to increase, to pass through
The biomembrane being attached on rhizome realizes the lasting removal to water pollutant.
The undercurrent ecological wetland base widths are no more than 3.0m, and top layer width is no more than 1.0m.
The depth in the confluence submerged plant area is 1.0-5.0m, and depth continuously decreases in water (flow) direction；Hydraulic gauge
Face load is not higher than 5.0m3/m2·d。
The submerged plant is：Black algae, eel grass are arranged in water (flow) direction according to water catchment area depth, prevent grass and goldfish
Algae, the submerged plant can effectively reduce Suspended Particles in Water and eutrophication algae inhibited to grow, and reduce deposit overlying water
Total phosphorus and dissolved organic matter content, increase Dissolved Oxygen in Water and simultaneously deepen its depth of erosion in deposit, to net
The mineralising for accelerating water body deposit while changing water quality, prevents deposit secondary pollution.
Above-mentioned Raw Drinking Water ecological purification regulates and stores library when enabling, and Raw Drinking Water flows through micro- aeration tube, through microbubble
Backwater effect carries suspended particulate substance (including microbial cell) to water body surface layer, and simultaneously quilt is intercepted by biological floating bed root system of plant
The microbial film absorption or degradation loaded on root system；Raw water after aerobic treatment enters reservoir area, is maintained in ecological wetland gallery
Higher flow velocity is advanced in the form of flow-disturbing, is realized pollutant purification with wetland continuous contact and is inhibited the increasing of eutrophication algae
It grows；Enter confluence submerged plant area by the raw water of ecological wetland gallery, flow velocity is greatly reduced and by submerged plant layering
Purification, purified raw water are pumped by water pump to waterworks as good water sources.
Technique effect
Compared with prior art, micro-pore aeration and biological floating bed combine are used for the one of Raw Drinking Water storage pond by the present invention
Grade processing by biological floating bed particulate matter (the containing microorganism) concentration effectively reduced into storage pond of periodic cleaning and improves original
Water dissolution oxygen concentration reduces the invasion of external source eutrophication algae and delays the blocking of ecology in reservoir area wetland；It is arranged in reservoir area and gives birth to
State wetland gallery separates flow, is effectively improved reservoir area hydrodynamic condition, inhibits the proliferation of eutrophication algae；Converge before outbound
Setting phreatophyte area of area can step by step be absorbed and filter using submerged plant and purifying water body pollutant；The technology can be substantially reduced original
Water micropollutants and reservoir area eutrophication pollution promote Raw Drinking Water water quality.
Description of the drawings
Fig. 1 is that Raw Drinking Water ecological purification of the present invention is regulated and stored library structure plan view；
In figure：Water inlet 1, micro- aerating system 2, biological floating bed 3, ecology corridor sluice 4, ecological wetland gallery 5, undercurrent life
State wetland 6, confluence submerged plant area 7, water outlet 8.
Specific implementation mode
Embodiment 1
The library as shown in Figure 1, the Raw Drinking Water ecological purification being related to for the present embodiment is regulated and stored, wherein including：Water inlet 1,
Micro- aerating system 2 is spaced the biological floating bed micro- aeration combined, ecology corridor sluice 4, undercurrent ecological wetland 6 with biological floating bed 3 and divides
Every ecological wetland gallery 5, confluence submerged plant area 7 and water outlet 8.
Raw Drinking Water is with 0.05m/s flow velocitys by being laid in the water surface or less 3.0m and with 0.4m3/ mh aeration quantity is aerated
Micro- aeration tube, suspended particulate substance (including microbial cell) rises to water body surface layer under microbubble backwater effect in raw water,
It is that the biological floating bed root system of water spinach of 25m is intercepted and adsorbed to be arranged at width at micro- aeration tube downstream 1.0m；Enter lower two immediately
The biological floating bed micro- biological floating bed purification of oxygenation again of aeration of the grade green watermifoil of powder.By adjusting the water of ecological wetland gallery water inlet
Lock switchs, and is aerated biological floating bed treated raw water through three-level and carries sufficient dissolved oxygen and enters ecology in reservoir area wetland gallery, ties up
The flow velocity of 0.3m/s is held in the form of flow-disturbing by ecological wetland gallery, pollutant purification is realized with wetland continuous contact and inhibits
The proliferation of eutrophication algae；Enter confluence submerged plant area by the raw water of ecological wetland gallery, flow velocity be greatly reduced to
0.1m/s is with 3.0m3/m2The load of d is purified by submerged plant layering, and purified raw water is as good water sources by water pump
It pumps to waterworks.The clean-up effect of each unit is following (mg/L)：
| Parameter | Water inlet | Micro- aeration is biological floating bed | Ecological wetland gallery | Submerged plant area |
| SS | 63.50 | 17.20 | 19.60 | 5.40 |
| DO | 4.49 | 6.83 | 5.64 | 5.76 |
| CODMn | 4.37 | 3.41 | 3.25 | 3.62 |
| TN | 3.58 | 3.32 | 2.67 | 2.36 |
| TP | 0.47 | 0.43 | 0.36 | 0.28 |
Embodiment 2
Compared with Example 1, difference in this case is that：It, can be by water inlet for the raw water that flow is larger
Aeration depth is increased, microbubble and raw water time of contact are extended, in reservoir area, adjustment ecological wetland gallery sluice maintains flow rate of water flow,
Submerged plant surface loading is improved to strengthen ecological purification in submerged plant area simultaneously, stablizes the effluent quality in library of regulating and storing.
Raw Drinking Water is with 0.1m/s flow velocitys by being laid in the water surface or less 5.0m and with 0.6m3/ mh aeration quantity is aerated
Micro- aeration tube, suspended particulate substance (including microbial cell) rises to water body surface layer under microbubble backwater effect in raw water,
It is that the biological floating bed root system of water hyacinth of 20m is intercepted and adsorbed to be arranged at width at micro- aeration tube downstream 3.0m；Enter two-stage immediately
The biological floating bed micro- biological floating bed purification of oxygenation again of aeration of the green watermifoil of powder.By adjusting the sluice of ecological wetland gallery water inlet
Switch, is aerated biological floating bed treated raw water through three-level and carries sufficient dissolved oxygen and enter ecology in reservoir area wetland gallery, maintains
The flow velocity of 0.2m/s, by ecological wetland gallery, is realized pollutant purification with wetland continuous contact and inhibits rich in the form of flow-disturbing
The proliferation of nutrition alga；Enter confluence submerged plant area by the raw water of ecological wetland gallery, flow velocity is greatly reduced to 0.1m/
S is with 4.0m3/m2The load of d is purified by submerged plant layering, and purified raw water is pumped as good water sources by water pump
To waterworks.The clean-up effect of each unit is following (mg/L)：
| Parameter | Water inlet | Micro- aeration is biological floating bed | Ecological wetland gallery | Submerged plant area |
| SS | 58.20 | 21.70 | 16.40 | 4.90 |
| DO | 4.24 | 5.97 | 5.42 | 5.61 |
| CODMn | 4.71 | 3.95 | 3.57 | 3.74 |
| TN | 3.76 | 3.48 | 3.15 | 2.83 |
| TP | 0.53 | 0.46 | 0.39 | 0.32 |
Above-mentioned specific implementation can by those skilled in the art under the premise of without departing substantially from the principle of the invention and objective with difference
Mode carry out local directed complete set to it, protection scope of the present invention is subject to claims and not by above-mentioned specific implementation institute
Limit, each implementation within its scope is by the constraint of the present invention.
Claims (10)
- The library 1. a kind of Raw Drinking Water based on reinforcing ecological purification is regulated and stored, which is characterized in that including：Water inlet is set to be used for Storage raw water dissolved oxygen is improved to strengthen pollutant decomposition, and particulate matter is intercepted to slow down undercurrent by biological floating bed root system of plant Micro- aeration that ecological wetland blocks is biological floating bed；Confluence submerged plant area and the middle part for being set to water outlet are wet by undercurrent ecology Ground is spaced apart the ecological wetland gallery for improving reservoir area hydrodynamic condition with enhancing water body self-purification ability, Raw Drinking Water stream Through the biological floating bed micro- aeration tube of micro- aeration, suspended particulate substance is carried to water body surface layer, by ecology through microbubble backwater effect The microbial film absorption or degradation that the root system of the plant of floating bed is intercepted and loaded on root system；Raw water after aerobic treatment is into storage Area maintains higher flow velocity to advance in the form of flow-disturbing in ecological wetland gallery, and pollutant purification is realized with wetland continuous contact And inhibit the proliferation of eutrophication algae；Enter confluence submerged plant area by the raw water of ecological wetland gallery, flow velocity substantially drops Low and purified by submerged plant layering, purified raw water is sent as good water sources to waterworks.
- The library 2. Raw Drinking Water according to claim 1 is regulated and stored, characterized in that micro- aeration is biological floating bed to include： The micro- aeration tube and biological floating bed laid perpendicular to runoff direction interval, wherein：Micro- aeration tube and biological floating bed interval Combination no less than three groups, and floating bed on runoff direction can fore-aft travel setting with realize it is biological floating bed gradually in turn, it is ensured that need The biological floating bed water that is in always for gathering in processing is most front-seat, and raw water is many by micro- time for being aerated biological floating bed section In 0.5h.
- The library 3. Raw Drinking Water according to claim 1 or 2 is regulated and stored, characterized in that micro- aeration tube uses antibacterial Type rubber superfine aeration tube or PE porous nano pipes；Micro- aeration tube is set to the water surface or less 1.0-5.0m, in runoff direction Upper interval 1.0-5.0m is combined with biological floating bed parallel interval, and the biological floating bed width on runoff direction is not less than 20.0m.
- The library 4. Raw Drinking Water according to claim 1 or 2 is regulated and stored, characterized in that it is described it is biological floating bed be with water calabash Reed, frogbit, watermifoil or water spinach are plant main body, using PVC, PE pipe+polypropylene, polystyrene frame as the people of vector construction The work ecosystem.
- The library 5. Raw Drinking Water according to claim 1 is regulated and stored, characterized in that the ecological wetland gallery is by undercurrent The parallel water stream channel that ecological wetland interval is formed.
- 6. Raw Drinking Water is regulated and stored library according to claim 1 or 5, characterized in that the width of the ecological wetland gallery Degree is no more than 10.0m, and flow velocity is not less than 0.2m/s；Micro- aeration is biological floating bed to be equipped with ecology between ecological wetland gallery Gallery sluice requires to open according to processing water, to ensure that flow velocity is not less than 0.2m/s in gallery.
- 7. Raw Drinking Water is regulated and stored library according to claim 1 or 5, characterized in that the undercurrent ecological wetland includes： Slabstone, gravel positioned at substrate are layed in clinker, slag, pelelith and the thin sand and soil and kind that are layed in upper layer in middle level Plant the emergent aquactic plant in thin sand and soil.
- The library 8. Raw Drinking Water according to claim 7 is regulated and stored, characterized in that the emergent aquactic plant includes：Reed, reed Reed, thaliadeabata, rhizoma calami or Lythrum salicaria or combinations thereof can utilize flourishing root system to penetrate somatomedin, and convey downwards molten It solves oxygen, secretion organic matter, rhizosphere microbial promoted to increase, to be realized to water pollution by the biomembrane being attached on rhizome The lasting removal of object.
- The library 9. Raw Drinking Water according to claim 1 is regulated and stored, characterized in that the depth in the confluence submerged plant area For 1.0-5.0m, depth continuously decreases in water (flow) direction；Waterpower surface loading is not higher than 5.0m3/m2·d。
- The library 10. Raw Drinking Water according to claim 1 or 9 is regulated and stored, characterized in that the submerged plant is：According to Water catchment area depth arranges black algae, eel grass in water (flow) direction, prevents grass and hornwort.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810240014.9A CN108658366B (en) | 2018-03-22 | 2018-03-22 | Drinking water raw water regulation and storage warehouse based on enhanced ecological purification |
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| CN201810240014.9A CN108658366B (en) | 2018-03-22 | 2018-03-22 | Drinking water raw water regulation and storage warehouse based on enhanced ecological purification |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112679047A (en) * | 2020-12-30 | 2021-04-20 | 盐城工学院 | Micro-polluted raw water purification system and method |
| CN114349107A (en) * | 2022-01-17 | 2022-04-15 | 浙江富江水利水电工程有限公司 | Drinking water raw water regulation and storage warehouse based on enhanced ecological purification |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112679047A (en) * | 2020-12-30 | 2021-04-20 | 盐城工学院 | Micro-polluted raw water purification system and method |
| CN114349107A (en) * | 2022-01-17 | 2022-04-15 | 浙江富江水利水电工程有限公司 | Drinking water raw water regulation and storage warehouse based on enhanced ecological purification |
| CN114349107B (en) * | 2022-01-17 | 2024-05-24 | 浙江富江建设集团有限公司 | Drinking water raw water regulation and storage warehouse based on enhanced ecological purification |
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| Publication number | Publication date |
|---|---|
| CN108658366B (en) | 2021-10-26 |
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