CN108793421A - A kind of ecological management system and method for natural water - Google Patents
A kind of ecological management system and method for natural water Download PDFInfo
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- CN108793421A CN108793421A CN201810794399.3A CN201810794399A CN108793421A CN 108793421 A CN108793421 A CN 108793421A CN 201810794399 A CN201810794399 A CN 201810794399A CN 108793421 A CN108793421 A CN 108793421A
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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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Abstract
The invention discloses a kind of ecological management system and method for natural water, which includes clean water treatment, aeration oxygen replenishing and water circulation；The clean water treatment is will improvement water body to be promoted to water reoxygenation purifier to purify, and clears the pollution off, increases water transparency；The aeration oxygen replenishing is to improve the oxidation-reduction potential of water body to purified water body complement lysis oxygen；The water circulation is by waterbody circular oxygenation device by the aeration oxygen replenishing treated water back in regulation water body；It recycles waterbody circular oxygenation device to the further complement lysis oxygen of regulation water body, promote running water, further purify water, reduce ammonia nitrogen, enhance the transparency and oxidation-reduction potential.The promotion of water correction, restoration of the ecosystem and landscape is combined by the present invention, has the characteristics that energy saving, effect of algae restraint is good, ecological recovery is fast, treatment cost is low, has preferable social benefit and ecological benefits.
Description
Technical field
The present invention relates to water body water environment treatments and restoration of the ecosystem field, are controlled more particularly to a kind of ecology of natural water
Manage system and method.
Background technology
With the quickening of urbanization paces and the raising of industrialization degree, excessive domestic pollution direct emission causes water body
Eutrophication even results in river water body and blacks smelly, so that water body is completely lost using function, form black smelly water.Black smelly water
Body not only does great damage to aquatile and the ecosystem, also carrys out prodigious influence to human habitat and health care belt.
When water body is polluted by organic matter and reducing substances, the dissolved oxygen in water body reduces.Dissolved Oxygen in Water is to raw in water
Object existence has vital influence, when dissolved oxygen is less than 2mg/L, will cause fish death by suffocation, dissolved oxygen (DO)
When wear rate is more than the rate that oxygen is dissolved in into water body, the content of dissolved oxygen can level off to 0, and anaerobic bacteria is able to numerous at this time
It grows, water body is made to deteriorate, so dissolved oxygen is sized to the pollution that reflection water-outlet body is subject to, the especially degree of organic pollution,
It is the important indicator of degree of water pollution, and weighs the overall target of water quality.During pond aquaculture, due to pond
The more closed characteristic in the pool itself, cause water body flow cycle it is unsmooth, environment constantly deteriorates in process of industrialization in addition, water body by
To pollution, quality problem takes place frequently, and many puzzlements and challenge are brought to pond aquaculture.
Currently, to black and odorous water, aquaculture, sewage purification water body treating method in have roots blower, water plant
Etc. technologies, but because various conditions limit, if difficulty of construction is big, reasons such as of high cost, ineffective, and cannot fundamentally improving
The problem of with Urban Water Ecological Environment and aquaculture is repaired.
In the administering method of existing black and odorous water, aeration and planting plants method are mainly used；Wherein, aeration is
By being passed through air or oxygen into black and odorous water, to improve the oxygen content in water body, the vigor of aerobic microbiological is improved, it is right
Sulfide in Water is aoxidized, to solve the smelly phenomenon of water body, however, being administered to black and odorous water using this method
When, it needs to be passed through a large amount of oxygen-containing gas into the water body, it is in large scale, meanwhile, it can not be reduced using this method described
Concentration of nitrogen and phosphorus in water body, it is thus impossible to fundamentally solve the problems, such as the eutrophy of water body；Planting plants method is by black smelly
A kind of herbaceous plant is planted in water body, which absorbs the nitrogen phosphorus in black and odorous water so as to reduce the nitrogen phosphorus in water body
Content, however, the oxygen of herbaceous plant progress photosynthesis generation is discharged through blade into air in this method, it is difficult to effectively carry
Dissolved oxygen amount in high black and odorous water, regulation effect be not notable.Therefore it is highly desirable to and researches and develops a kind of novel, efficient, stable water body
The problem of governing system and method fundamentally improve and rehabilitate Urban Water Ecological Environment and aquaculture.
Invention content
The purpose of the present invention is to provide a kind of ecological management system and methods of natural water, to solve above-mentioned background skill
The problem of being proposed in art.
To achieve the above object, the present invention provides the following technical solutions：
A kind of ecological management system of natural water, including clean water treatment, aeration oxygen replenishing and water circulation；
The clean water treatment is will improvement water body to be promoted to water reoxygenation purifier to purify, clear the pollution off,
Increase water transparency；
The aeration oxygen replenishing is to improve the oxidation-reduction potential of water body to purified water body complement lysis oxygen；
The water circulation is by waterbody circular oxygenation device by the aeration oxygen replenishing treated water back to regulation
In water body；It recycles waterbody circular oxygenation device to the further complement lysis oxygen of regulation water body, promote running water, further purified water
Matter reduces ammonia nitrogen, enhances the transparency and oxidation-reduction potential.
Further, floating drum is provide with above the water reoxygenation purifier, including apparatus body A, the apparatus body A
Middle vacancy is equipped with fountain head in A, the floating drum A, and the fountain head lower left is equipped with air dissolved pump, and the air dissolved pump passes through gas distribution
Pipe connects the oxygenation mixing duct of the bottoms apparatus body A laying, and the oxygenation mixing duct is equipped with micro porous aeration head, described
It is equipped with biofilm filler above micro porous aeration head, upper support frame A is equipped with below the floating drum A, fountain head lower end is equipped with pipeline
The bottom A, the pipeline A connects FOUNTAIN PUMP, and the FOUNTAIN PUMP is arranged on lower bracing frame A.
Further, several are arranged in the micro porous aeration head.
Further, floating drum is provide with above the waterbody circular oxygenation device, including apparatus body B, the apparatus body B
The lower part B, the apparatus body B is line bucket, and water pump is equipped on the outside of the line bottom of the barrel, jet stream is equipped in the line bucket
Device, for the water pump by the pipeline B connections ejector, the ejector upper end is connected with lower bracing frame B；The apparatus body
B inside upper parts are equipped with upper support frame B.
Further, the upper support frame B being capable of dismounting and change.
A kind of ecological treatment method of natural water, includes the following steps：
S1, water reoxygenation purifier is set in water body purification pond, water body suction water body purification pond will be administered and purified,
The transparency removed the pollutant in water body, increase water body；
S2, to purified water body using aeration oxygen replenishing technique come complement lysis oxygen, improve the oxidation-reduction potential of water body；
S3, waterbody circular oxygenation device is set in water body purification pond, treated that water returns by waterbody circular oxygenation device
It returns in regulation water body；
S4, in administering water body be arranged waterbody circular oxygenation device, using waterbody circular oxygenation device to regulation water body into
One step complement lysis oxygen promotes running water, reduces ammonia nitrogen, enhances the transparency and oxidation-reduction potential, further purifies water.
Further, in S1 steps, purified water body effluent index：SS：2-0.1mg/L；Ammonia nitrogen：2-1.0mg/L；Always
Phosphorus：0.2-0.05mg/L；COD：40-20mg/L；Transparency：≥5m.
Further, in S2 steps, the aeration oxygen replenishing technology includes：Jet stream, micro-pore aeration, surface aeration method, oxygenation
Medicament and biologic float bed.
Further, in S4 steps, the dissolved oxygen concentration for administering water body can be improved to 4mg/L or more.
Compared with prior art, the beneficial effects of the invention are as follows：
The present invention improves water quality using water purification treatment technology；It is rebuild using aeration aerating technique and restores ecosystem
System restores and is promoted water landscape function；Promote the flowing velocity of water body using water circulation technique, realizes running water.The present invention
It can be effectively improved water quality, fast quick-recovery water ecosystem and self-purification capacity, restore and promoted water landscape function, administer
Water quality afterwards reaches《Water environment quality standard》(GB3838-2002) IV class water quality standard.This method by water correction,
Restoration of the ecosystem and landscape promotion are combined, and have the characteristics that energy saving, effect of algae restraint is good, ecological recovery is fast, treatment cost is low,
With preferable social benefit and ecological benefits.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of the ecological management system of natural water.
Fig. 2 is the structural schematic diagram of water reoxygenation purifier in the present invention.
Fig. 3 is the vertical view of water reoxygenation purifier in the present invention.
Fig. 4 is the structural schematic diagram of waterbody circular oxygenation device in the present invention.
The vertical view of waterbody circular oxygenation device in Fig. 5 present invention.
Wherein, 1- micro porous aeration heads, 2- lower bracing frames A, 3- FOUNTAIN PUMP, 4- biofilm fillers, 5- pipelines A, 6- gas distribution pipe, 7-
Upper support frame A, 8- air dissolved pump, 9- fountain heads, 10- floating drums A, 11- apparatus body A, 12- water pump, 13- pipelines B, 14- ejector,
15- line buckets, 16- lower bracing frames B, 17- upper support frame B, 18- floating drum B, 19- apparatus body B.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As shown in Figure 1, the preferred embodiment of the present invention provides a kind of ecological management system of natural water, including water purification first
Processing, aeration oxygen replenishing and water circulation；
The clean water treatment is will improvement water body to be promoted to water reoxygenation purifier to purify, clear the pollution off,
Increase water transparency；
The aeration oxygen replenishing is to improve the oxidation-reduction potential of water body to purified water body complement lysis oxygen；
The water circulation is by waterbody circular oxygenation device by the aeration oxygen replenishing treated water back to regulation
In water body；It recycles waterbody circular oxygenation device to the further complement lysis oxygen of regulation water body, promote running water, further purified water
Matter reduces ammonia nitrogen, enhances the transparency and oxidation-reduction potential.
As shown in Figures 2 and 3, further, the water reoxygenation purifier, including apparatus body A 11, it is described to set
Standby 11 tops ontology A are provide with floating drum A 10, and middle vacancy is equipped with fountain head 9 in the floating drum A 10, and 9 lower section of the fountain head is left
Side is equipped with air dissolved pump 8, and the air dissolved pump 8 connects the oxygenation mixing tube that 11 bottoms apparatus body A are laid with by gas distribution pipe 6
Road, the oxygenation mixing duct are equipped with micro porous aeration head 1, and the gas that the air dissolved pump 8 comes out is transported to institute by the gas distribution pipe 6
State 1 bubble of the micro porous aeration head on the oxygenation mixing duct of 11 bottoms apparatus body A laying, micro-pore aeration
The micro-bubble of first 1 generation is very big with the contact surface of water in water body, and floating flow velocity is low, and time of contact is long, the mass-transfer efficiency of oxygen
It is high；Bubble rises floating from bottom to up simultaneously, promotes oxygen to be fully dissolved in water, can also cause the rotation of flow and flow up and down,
So that water of the upper layer rich in oxygen is brought bottom into, realizes the even oxygen aeration of water；1 top of the micro porous aeration head is equipped with biofilm filler
10 lower section 4, the floating drum A is equipped with upper support frame A 7, and 9 lower end of fountain head is equipped with pipeline A 5,5 bottoms pipeline A
FOUNTAIN PUMP 3 is connected, the FOUNTAIN PUMP 3 is arranged on lower bracing frame A 2, and water body enters from the upper support frame A 7, by institute
4 purified treatment of biofilm filler is stated, purified water body is mixed with the bubble that the micro porous aeration head 1 is precipitated, mixed water body
It is extracted through the FOUNTAIN PUMP 3 and the fountain head 9 is transmitted to by the pipeline A 5, water body is sprayed and entered by the fountain head 9
Clarifier-tank circularly purifying.The micro-bubble that the generation of micro porous aeration head 1 is arranged is very big with the contact surface of water in water body, floating flow velocity
Low, time of contact is long, and the mass-transfer efficiency of oxygen is high, while bubble rises floating from bottom to up, promotes oxygen to be fully dissolved in water, may be used also
It causes the rotation of flow and flows up and down, so that water of the upper layer rich in oxygen is brought bottom into, realize the even oxygen aeration of water；It is additionally provided with
4 purifying water body of biofilm filler, purified water body are mixed with the bubble that micro porous aeration head 1 is precipitated, and are then sprayed simultaneously from fountain head 9
Into clarifier-tank circularly purifying；The present apparatus is simple in structure, easy for installation, safe and reliable.
Further, several are arranged in the micro porous aeration head 1.Some more micro porous aeration heads 1 are set, it can be continual
Micro-pore aeration oxygenation, self detergent power of water body are able to restore to be promoted.
It is combined by micro-nano aeration, high density microcellular filler, water body is removed improving microorganism species metabolic efficiency
While pollution factor, oxygenation is carried out to water body using the micro-nano bubble used in air supporting, micro-nano bubble is big in water body
Area is spread, and increases the contact area of gas and water, oxygen utilization rate is 3 times of common oxygen increasing equipment, can quickly improve water
The dissolved oxygen content of body.It is final to utilize water circle device, regulation water body is recycled, the exchange water cycle of water body is shortened.It is right
The removal effect of pollutant is notable in water body, can improve the dissolved oxygen content of water body to a certain extent, repairs self-purification of water work(
Energy.So that organic matter in water body is largely decomposed by improving microorganism unit population density, can significantly reduce in water body and pollute
The content of organic matter.Auxiliary can quickly improve exchange water cycle with circulator.
As shown in Figure 4 and Figure 5, further, the waterbody circular oxygenation device, including apparatus body B 19, it is described to set
19 tops standby ontology B are provide with floating drum B 18, and 19 lower parts apparatus body B are line bucket 15, outside 15 bottom of line bucket
Side is equipped with water pump 12, is equipped with ejector 14 in the line bucket 15, the water pump 12 connects the ejector by pipeline B 13
14, water extracts the ejector 14 that 15 center of line bucket is transported to by pipeline B 13 through water pump 12, from the spray of the ejector 14
Mouth high speed sprays, and the water body of such profundal zone cold and oxygen deficient is evacuated to ejector by the water pump for being arranged in circular oxygenation bottom of device
14 injections complete the systemic circulation of contact oxygenation of the water body with air to shoaling layer, meanwhile, 12 continue working of the water pump, middle water
The water body of layer constantly moves to profundal zone and is evacuated to the nozzle at high speeds of ejector 14 through water pump down to be sprayed to shoaling layer；The jet stream
14 upper end of device is connected with lower bracing frame B 16；19 inside upper parts of apparatus body B are equipped with upper support frame B 17, and water body is from institute
The space for stating upper support frame B 17 flows out to shoaling layer, completes the systemic circulation of contact oxygenation of the water body with air.The present apparatus can
It realizes surrounding body stereo circulating, improves water velocity, while realizing that water body depth layer exchanges, eliminate the water body depth layer temperature difference；
Waterbody circular oxygenation device is not limited by the landform of water body, landforms, can voluntarily regulate and control the depth of line bucket 15, is suitable for any
Natural water；According to the depth that the processing of water body at that time needs, 14 institute of ejector is adjusted by dismounting and change upper support frame B 17
Locate the position of depth；The present apparatus is simple in structure, easy for installation, safe and reliable.
Further, the upper support frame B 17 can dismounting and change pass through according to the depth that the processing of water body at that time needs
Upper support frame B 17 described in dismounting and change adjusts the position of depth residing for ejector 14, also corresponds to adjust floating drum B 18 and penetrate
Flow the distance between device 14.
Waterbody circular oxygenation device, the principle being layered using water depth dissolved oxygen content, effective range can reach
300~450 ㎡ swap depth layer water body.The daily useful effect water 8000m of average 1kw power3.Coefficient of oxygen utilization
20%~30%.Promote water circulation, realizes that running water, water body depth layer exchange effect, improve dissolution oxygen utilization rate；Equipment is complete certainly
Dynamic, non-maintaining operation saves labour turnover.
The present embodiment also provides a kind of ecological treatment method of natural water, includes the following steps：
S1, water reoxygenation purifier is set in water body purification pond, water body suction water body purification pond will be administered and purified,
The transparency removed the pollutant in water body, increase water body；
S2, to purified water body using aeration oxygen replenishing technique come complement lysis oxygen, improve the oxidation-reduction potential of water body；
S3, waterbody circular oxygenation device is set in water body purification pond, treated that water returns by waterbody circular oxygenation device
It returns in regulation water body；
S4, in administering water body be arranged waterbody circular oxygenation device, using waterbody circular oxygenation device to regulation water body into
One step complement lysis oxygen promotes running water, reduces ammonia nitrogen, enhances the transparency and oxidation-reduction potential, further purifies water.
Further, in S1 steps, purified water body effluent index：SS：2-0.1mg/L；Ammonia nitrogen：2-1.0mg/L；Always
Phosphorus：0.2-0.05mg/L；COD：40-20mg/L；Transparency：≥5m.
Further, in S2 steps, the aeration oxygen replenishing technology includes：Jet stream, micro-pore aeration, surface aeration method, oxygenation
Medicament and biologic float bed.
Further, in S4 steps, the dissolved oxygen concentration for administering water body can be improved to 4mg/L or more.
Specifically, the dissolved oxygen in water is to be diffused into water from the oxygen in air and existing, its usually only air
In several a ten thousandths, generally use mg/L as its quantization unit.And water oxygen molecule dissolves in how much movements with hydrone
Activity is related, and when water temperature height, hydrone activity is high, and when movement is fierce, the oxygen for being extruded the water surface is also relatively some more, so when temperature
When degree increases, moisture subactivity enhances that the oxygen molecule being expelled from is also more therewith, so the dissolved oxygen in water can be with temperature
It increases and reduces, be a dynamic parameter.Relationship between dissolved oxygen and water temperature can be found out from following table and figure.
| Temperature (DEG C) | Dissolved oxygen (mg/L) | Temperature (DEG C) | Dissolved oxygen (mg/L) |
| 0 | 14.62 | 18 | 9.46 |
| 1 | 14.22 | 19 | 9.27 |
| 2 | 13.82 | 20 | 9.08 |
| 3 | 13.44 | 21 | 8.90 |
| 4 | 13.09 | 22 | 8.73 |
| 5 | 12.74 | 23 | 8.57 |
| 6 | 12.42 | 24 | 8.41 |
| 7 | 12.11 | 25 | 8.25 |
| 8 | 11.81 | 26 | 8.11 |
| 9 | 11.53 | 27 | 7.96 |
| 10 | 11.26 | 28 | 7.82 |
| 11 | 11.01 | 29 | 7.69 |
| 12 | 10.77 | 30 | 7.56 |
| 13 | 10.53 | 31 | 7.43 |
| 14 | 10.30 | 32 | 7.30 |
| 15 | 10.08 | 33 | 7.18 |
| 16 | 9.86 | 34 | 7.07 |
| 17 | 9.66 | 35 | 6.95 |
Make that superficial dissolution oxygen content is high, water temperature is high water body and bottom dissolved oxygen content be low, water by the cycle of depth layer
The low water body of temperature is intercoursed, is mixed, and the superficial water that itself is saturated is made to become undersaturated water, in a disguised form increase water body itself with
The contact area of air improves the oxygen transfer efficiency of water and air, achievees the purpose that regulate and control water circulation speed and oxygenation.
After adopting the above technical scheme, the present invention has the advantages that compared with prior art：
The present invention improves water quality using water purification treatment technology；It is rebuild using aeration aerating technique and restores ecosystem
System restores and is promoted water landscape function；Promote the flowing velocity of water body using water circulation technique, realizes running water.The present invention
It can be effectively improved water quality, fast quick-recovery water ecosystem and self-purification capacity, restore and promoted water landscape function, administer
Water quality afterwards reaches《Water environment quality standard》(GB3838-2002) IV class water quality standard.This method by water correction,
Restoration of the ecosystem and landscape promotion are combined, and have the characteristics that energy saving, effect of algae restraint is good, ecological recovery is fast, treatment cost is low,
With preferable social benefit and ecological benefits.
Most efficient method is by increasing enough dissolved oxygens into water, as value >=2mg/L of Dissolved Oxygen in Water, just
The various aerobic microbiologicals in water can be promoted " to eat up " organic pollution, the index of water body COD is reduced, so as to improve water body water
Matter.
Embodiment in above-described embodiment can be further combined or replace, and embodiment is only to the present invention's
Preferred embodiment is described, and it is not intended to limit the concept and scope of the present invention, is not departing from design philosophy of the present invention
Under the premise of, the various changes and modifications that professional and technical personnel in the art make technical scheme of the present invention belong to this hair
Bright protection domain.
Claims (9)
1. a kind of ecological management system of natural water, including clean water treatment, aeration oxygen replenishing and water circulation；
The clean water treatment is will improvement water body to be promoted to water reoxygenation purifier to purify, and clears the pollution off, increases
Water transparency；
The aeration oxygen replenishing is to improve the oxidation-reduction potential of water body to purified water body complement lysis oxygen；
The water circulation is by waterbody circular oxygenation device by the aeration oxygen replenishing treated water back to regulation water body
In；Recycle waterbody circular oxygenation device to the further complement lysis oxygen of regulation water body, promote running water, further purify water,
It reduces ammonia nitrogen, enhance the transparency and oxidation-reduction potential.
2. a kind of ecological management system of natural water according to claim 1, which is characterized in that the water reoxygenation is net
Makeup is set, including is provide with middle vacancy in floating drum A, the floating drum A above apparatus body A, the apparatus body A and is equipped with fountain head,
The fountain head lower left is equipped with air dissolved pump, and the air dissolved pump connects the laying of the bottoms the apparatus body A by gas distribution pipe
Oxygenation mixing duct, the oxygenation mixing duct are equipped with micro porous aeration head, biofilm filler, institute are equipped with above the micro porous aeration head
It states and is equipped with upper support frame A below floating drum A, fountain head lower end is equipped with the bottoms pipeline A, the pipeline A and connects FOUNTAIN PUMP, described
FOUNTAIN PUMP is arranged on lower bracing frame A.
3. a kind of ecological management system of natural water according to claim 2, which is characterized in that the micro porous aeration head
Several are set.
4. a kind of ecological management system of natural water according to claim 1, which is characterized in that the water circulation increases
It is line bucket, institute to be provide with the lower parts floating drum B, the apparatus body B above oxygen device, including apparatus body B, the apparatus body B
It states and is equipped with water pump on the outside of line bottom of the barrel, be equipped with ejector in the line bucket, the water pump passes through the pipeline B connections jet stream
Device, the ejector upper end are connected with lower bracing frame B；The apparatus body B inside upper parts are equipped with upper support frame B.
5. a kind of water reoxygenation purifier according to claim 4, which is characterized in that the upper support frame B can be torn open
Unload replacement.
6. a kind of ecological treatment method of natural water, includes the following steps：
S1, water reoxygenation purifier is set in water body purification pond, water body suction water body purification pond will be administered and purified, removed
The transparency of pollutant, increase water body in water body；
S2, to purified water body using aeration oxygen replenishing technique come complement lysis oxygen, improve the oxidation-reduction potential of water body；
S3, waterbody circular oxygenation device is set in water body purification pond, treated that water returns to by waterbody circular oxygenation device
It renovates in water body；
S4, waterbody circular oxygenation device is set in administering water body, it is further to regulation water body using waterbody circular oxygenation device
Complement lysis oxygen promotes running water, reduces ammonia nitrogen, enhances the transparency and oxidation-reduction potential, further purifies water.
7. a kind of ecological treatment method of natural water according to claim 6, which is characterized in that in S1 steps, purification
Water body effluent index afterwards：SS：2-0.1mg/L；Ammonia nitrogen：2-1.0mg/L；Total phosphorus：0.2-0.05mg/L；COD：40-20mg/L；
Transparency：≥5m.
8. a kind of ecological treatment method of natural water according to claim 6, which is characterized in that described in S2 steps
Aeration oxygen replenishing technique is jet stream or micro-pore aeration or surface aeration method or oxygenation medicament or biologic float bed.
9. a kind of ecological treatment method of natural water according to claim 6, which is characterized in that described in S4 steps
The dissolved oxygen concentration for administering water body can be improved to 4mg/L or more.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110028202A (en) * | 2019-05-13 | 2019-07-19 | 生态环境部南京环境科学研究所 | A kind of river channel purification plant |
| CN111908572A (en) * | 2020-09-08 | 2020-11-10 | 河北美普兰地环保科技有限公司 | Metal substrate carbon nano-film water body purification device |
| CN112794584A (en) * | 2021-02-05 | 2021-05-14 | 四川清和科技有限公司 | Courtyard landscape water circulation system |
| CN115403132A (en) * | 2022-10-11 | 2022-11-29 | 华能青岛热电有限公司 | Dissolved oxygen rapid lifting system and process for seawater source circulating water |
| CN115536212A (en) * | 2022-09-19 | 2022-12-30 | 杭州禹航建设工程有限公司 | Artificial lake ecological management system and construction method thereof |
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