CN105923779A - Ecological shelter type eutrophic water treatment method - Google Patents
Ecological shelter type eutrophic water treatment method Download PDFInfo
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- CN105923779A CN105923779A CN201610429504.4A CN201610429504A CN105923779A CN 105923779 A CN105923779 A CN 105923779A CN 201610429504 A CN201610429504 A CN 201610429504A CN 105923779 A CN105923779 A CN 105923779A
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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
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
- C02F3/327—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae characterised by animals and plants
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- Organic Chemistry (AREA)
- Farming Of Fish And Shellfish (AREA)
Abstract
The invention relates to an ecological shelter type eutrophic water treatment method. The ecological shelter type eutrophic water treatment method includes the steps of (1), investigating a water body ecological system and determining disadvantageous communities; (2), establishing a sheltering space in a water body, protecting or multiplying the disadvantageous biological communities in the sheltering space, and diffusing outwards after abundance is increased, wherein organisms coexisting with the biological communities in the sheltering space can be put in the sheltering space. The ecological shelter type eutrophic water treatment method can enable the whole food chain in the water body to work stably and efficiently, and surplus products in the water body can flow and be concentrated to large animal bodies according to the food chain of phytoplanktons, zooplanktons and large animals, so that the water body can be purified.
Description
Technical field
The present invention relates to the processing method of a kind of eutrophic water, be specifically related to a kind of ecological protection
The processing method of depicted eutrophic water.The method is mainly for the richness of lake, reservoir and wetland
Nutrient laden is administered, and process based on environmentally friendly intensive culture water body.
Background technology
1. China's internal water resource water quality deterioration, main cause is eutrophication, shows as algae
Class is multiplied in a large number, and the most several large-size lake are the most troubling.Current ecological management side
Method has 3 classes:
1) bio operon (biomaniputlation), including classical and non-classical two kinds, i.e.
Feeding of zooplankton phytoplankton is promoted by throwing in predacious fish suppression ominivore-fish
Method, and directly throw in the method that filter-feeding fish filters algae.Data shows that it is effective at present
Property be only limitted to the degree of depth Deep lake more than 6 meters, reservoir, and less than 60km2Small-sized
Shallow lake, wetland.The several water body being difficult to administer of China is all shallow and big lake, such as
Area 2300km2Taihu Lake, asserted could repair through 100 years by Japanese scholars.Former
Because being large-scale shallow water body, water environment heterogeneity is low, predator and prey strained relations, slow
Rushing ability, the ecosystem is more fragile, especially big at pasture and water fading, water front auxology index
After width reduces.Show in water and can flow because of a certain trophic level along the material that food chain is carried out
Disappearance and open circuit, cause the material as organism key element to become algae or macrophytic battalion
Support material and be allowed to multiply in a large number, cause water quality deterioration.
2) biologic float bed or ecological floating island, plants macrophytic method in water surface, only
Absorbing the inorganic nutrient substance in water, rely on illumination strong, productivity is low compared with algae, Er Qieguan
Reason cost is high, and shading and hinder the mass exchange of water and air, is of limited application,
Efficiency is low.
3) artificial fishing bank, provides sanctuary for unicellular lower eukaryote and small fishes, but because protecting
Be all small-sized biologicals, be the relation of food chain between these biologies, biological energy source consumption is compared
Greatly, affecting inefficient on the big food chain of whole water body, secondly cost of manufacture is high, Er Qiewu
Method is put into symbiont and is maintained, so manual maintenance difficulty is big, return effect is unstable
Fixed.
Intensive culture behavior the most for a long time is all to throw something and feed feed and change the cultivation side of water in time
Formula is main, the ecosystem building complete food chain in breeding water body to utilize low grade to move,
Plant is to remaining bait and the consumption of ight soil and to free sulfide, amide and nitrous in water
The absorption cleaning effect of hydrochlorate, the natural water body that a large amount of aquaculture wastewaters are discharged.People in recent years
Start to pay attention to environmentally friendly breeding way, but the water treatment system used is relatively costly.
Summary of the invention
The invention aims to strengthening or rebuild the big food chain of whole water body, it is provided that be a kind of
The ecological processing method protecting depicted eutrophic water, i.e. by protecting or breeding whole water ecology
The fragile biocoene of food chain in system, enriched food chain transmits at nutriment and runs up to
Function in large-scale economic animal body, reaches the purpose of purifying water body, and improves economic animal
Yield；In the artificial ecological system of intensive culture, by rebuilding food chain in sanctuary,
Make water stabilization, it is achieved the environmentally friendly breeding way of very low cost.
The present invention solves the scheme of described technical problem: a kind of ecological protection depicted eutrophic water
Processing method, comprise the steps,
(1) water body investigation: investigation water ecosystem, determines the group being in a disadvantageous position；
(2) in water body, set up one protect space (refuge), protect in protecting space
Or the biocoene that propagation is in a disadvantageous position, and to external diffusion after its abundance improves.
As maintenance service, prevent other biotic intrusion from forming rudimentary little food chain in sanctuary
And consumed energy, reduction by protected biology standing crop and productivity, in described the protection space in throwing
The biology of the biocoene symbiosis being placed with and protect in space, as the fish with zooplankter symbiosis eats
Property (piscivorous) fish, with omnivorousness (omnivorous) fish of algae symbiosis.
Described protection space is surrounded by cladding with holes, cladding be mesh sheet, bolting silk,
Any in hardware, plastic member, concrete structures or the most several groups
Close.The effect reached is protected biocoene and food organisms thereof to come in and go out and is protected space,
But its predator cannot be introduced into wherein, realize this purpose by controlling the aperture of cladding.
It addition, the size protecting space is determined by respective water environment, and it is easily adjusted.
The present invention is fragile in food chain or the biology of disappearance trophic level, it is common that zooplankter or
Phytoplankton, it is provided that its ingester can not reach and that itself can come in and go out is relatively independent
Space sanctuary (Refuge), with protection and expand its scale, and spread out,
The speed of diffusion improves with the raising of self abundance, and last reproduction speed is equal to diffusion velocity.
The effect of this trophic level in the biological reinforced food chain spread out, makes whole food chain more stable
Run efficiently so that nutriment superfluous in water body is along phytoplankton zooplankter
The food chain of larger animal, or the food chain of more direct zooplankter larger animal
Flowing is concentrated in larger animal body, thus reaches the purpose of purifying water body.Simultaneously as battalion
Foster material is finally to run up in large-scale economic animal body by food chain, and the most whole process is
Stable, controlled and direction is clear and definite, the most also can produce economic benefit.
Accompanying drawing explanation
Fig. 1 is that schematic diagram is arranged in the protection space of the embodiment of the present invention 1；
Fig. 2 is that schematic diagram is arranged in the protection space of the embodiment of the present invention 2；
Fig. 3 is that schematic diagram is arranged in the protection space of the embodiment of the present invention 5.
In figure: 1, protect space；2, cladding.
Embodiment 1
Detailed description of the invention
Embodiment 1
The present embodiment at laboratory test, eutrophic water and food chain by manually arranging, Gu Sheng
Slightly water body investigation step.
By aquarium 1 × 1 × 0.5m3It is divided into 1:3 bis-part with 60 mesh sieve tulles, then adds
Entering the water of eutrophication, index is as follows: COD is 10.2mg/L, NH3-N is 1.2mg/L, TN
For 2.8mg/L, TP be 0.125mg/L, Chl-a be 54 μ g/L, transparency 20cm, then
1 tail 50g Tilapia mossambica is put into large space side, and the mixing that field is fished for is put in side, little space
Zooplankter 20g.Side, little space is that zooplankter provides protection space, this protection space
Surrounded by the wall portion of 60 mesh sieve tulles with aquarium so that wherein Large-Scale Group i.e. reproductive population
Being protected, small individual can be spread to the large space algae therein that goes to ingest and grows also simultaneously
Being ingested by fish, the algae in large space is also diffused into little space simultaneously becomes wherein zooplankter
Bait, concrete schematic diagram is as shown in Figure 1.
Through 5 days, transparency increased substantially, and result display COD is 3.7mg/L, NH3-N
For 0.5mg/L, TN be 1.3mg/L, TP be 0.075mg/L, Chl-a be 8 μ g/L.Then
Discharge again 20% water, add the eutrophic water of equivalent, second day testing result display water quality with
The above results is similar.After repeat the above steps one month, water stabilization and also to detect Tilapia mossambica raw
Long 15g.This is the individual process by rebuilding food chain evolution water quality, eutrophication originally
Algae water, through the process of planktonic algae zooplankter fish, makes water quality be purified,
Fish have also been obtained growth.
Embodiment 2
Certain lake, area 32ha, degree of depth 3m, COD be 14.1mg/L, TN be 2.2mg/L, TP
For 0.080mg/L, Chl-a be 28 μ g/L transparencies be 50cm, display planktonic algae and molten
Solve content of organics all to exceed standard.Investigation display, its main fish is ominivore-fish, swims dynamic
Thing is suppressed by ominivore-fish so that the adapter ring of phytoplankton zooplankter fish
Joint becomes bottleneck, and Zooplankton Community is to need strengthening.
The centrally disposed protection space in lake, protects space surrounding mesh sheet and reinforcing timber surrounds
The region of 0.2ha, arrangement form is as shown in Figure 2.First fish original in protecting space is driven away
Class, puts into 100g perch 800 tail flutterring food small fish, afterwards to prevent from eating the little of zooplankter
The invasion of trash fish, the zooplankter in space is protected in protection.Second Year water quality has clear improvement:
COD be 10.1mg/L, TN be 1.9mg/L, TP be 0.070mg/L, Chl-a be 20 μ g/L,
Transparency is 65cm；The most conventional fish crop maintained an equal level with former years, and additionally obtained perch yield
400kg.Visible improve the double effects that water quality is increased production again.
Embodiment 3
Certain industrial seedling rearing workshop one cement pit, 40m2, 1m deep, have prawn zoea 260
Ten thousand, every day is to its man-made feeds of throwing something and feeding so that abundant residues feed and ight soil deteriorate water quality,
It is 12 28mg/L that the COD before and after water is changed in water quality detection, NO2 --N is 0.14 0.68mg/L.
By 21 × 1 × 0.5m3100 mesh net cages put into wherein, each put into artemia nauplii 65
Ten thousand, being allowed to the eat remaining feed in the inside and ight soil, within the 3rd day as a result, COD reduces to 8
18mg/L,NO2 --N is 0.12 0.52mg/L.This is also a process rebuilding food chain, i.e.
Eaten the remaining feed in water and excrement particles by the young of artemia, purify water, obtain
The artemia larvae of growth, can become the high-quality bait of prawn seedling again.
Embodiment 4
0.4 hectare of certain pond (ha), middle with one or four mesh nets separations, side put 50g carp,
Silver carp kind 8,000 and 2,000 tails respectively, opposite side puts 100,000 tail white shrimp seedlings.The normally side of cultivation
Formula, until after 2 months, shrimp seedling body grows to 8cm, only pond has been carried out moisturizing, has not changed
Water, but water quality is the most normal.Reason is that wherein side is fish algae symbiosis, opposite side be shrimp and
Scratching foot class and wheel animalcule symbiosis, in the whole ecosystem, each primary biological constitutes a complete food
Thing chain: algae from Yu Qu be diffused into shrimp district with remaining feed together with ight soil by therein swim dynamic
Thing is ingested, and zooplankter is diffused into fish district again and is ingested by fish.And conventional cultivation mode is fish eats
The method of feed, remaining feed and ight soil deteriorate water quality, need to change in time water.
Embodiment 5
One man-made lake 1ha, and have 2 arm of lakes being 0.1ha, a large amount of lotus in the inside covers
Coverage rate 80%, water quality is limpid for spring, and summer is dimmed, and investigation display, the inside does not has substantially
Having fish, only have some wild freshwater shrimps, zooplankter is enriched, the effect of ingesting of zooplankter
Effect of shading with lotus so that it is middle algae is little, but nutritive salt severe overweight, be water quality week
The reason of year big ups and downs, summer Testing index: COD 14.7mg/L, NH3-N are
1.0mg/L, TN be 3.3mg/L, TP be 0.525mg/L, Chl-a be 3.6 μ g/L, transparency
For 110cm.Being separated with spacious pool mesh sheet by arm of lake, arm of lake is constituted with mesh sheet protects space,
The most as shown in Figure 3.Put 100g snakehead 100 tail in each gulf in a suitable place to breed, be allowed to and pasture and water symbiosis；
Spacious pool puts 100g carp and silver carp kind 1600 tails and 400 tails respectively in a suitable place to breed.After 1 year, middle of a lake lotus
Flower coverage rate 30%, arm of lake coverage rate 100%, water quality has been taken on a new look, and mainly shows as water quality one
The four seasons in year tend towards stability, and summer, water quality index was as follows: COD 9.4mg/L, NH3-N are
0.5mg/L, TN be 1.9mg/L, TP be 0.205mg/L, Chl-a be 20.4 μ g/L.Principle
Being carp and silver carp decreases the scale of pasture and water at middle section, promotees by ingesting zooplankter simultaneously
Enter the growth of algae, and it has been that zooplankter provides food that algae is diffused into arm of lake, arm of lake
Interior zooplankter diffuses out again the food becoming silver carp and carp, and wherein snakehead is for preventing
Only small fishes includes that the fry invasion that carp breeds voluntarily wherein destroys pasture and water.
Claims (4)
1. the ecological processing method protecting depicted eutrophic water, it is characterised in that: include as
Lower step,
(1) water body investigation: investigation water ecosystem, determines the group being in a disadvantageous position；
(2) in water body, set up one protect space, protect in space protect or breed be in bad
The biocoene of gesture, and to external diffusion after abundance improves.
2. the ecological processing method protecting depicted eutrophic water as claimed in claim 1, it is special
Levy and be: in described protection space, throw in the life of the biocoene symbiosis having and protect in space
Thing.
3. the ecological processing method protecting depicted eutrophic water as claimed in claim 1, it is special
Levy and be: described protection space is surrounded by cladding with holes.
4. the ecological processing method protecting depicted eutrophic water as claimed in claim 3, it is special
Levy and be: described cladding is mesh sheet, bolting silk, hardware, plastic member, concrete
Any in structures or the most several combinations.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610429504.4A CN105923779A (en) | 2016-06-15 | 2016-06-15 | Ecological shelter type eutrophic water treatment method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610429504.4A CN105923779A (en) | 2016-06-15 | 2016-06-15 | Ecological shelter type eutrophic water treatment method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111436389A (en) * | 2020-04-16 | 2020-07-24 | 河北农业大学 | Method and device for directionally controlling aquatic animal population number and propagation and diffusion thereof |
| CN113800643A (en) * | 2021-10-13 | 2021-12-17 | 湖州师范学院 | Algae resource utilization method for algae bloom prevention and control and device applied to method |
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| CN102303923A (en) * | 2011-08-22 | 2012-01-04 | 珠江水利委员会珠江水利科学研究院 | Bionic composite filler, water body purification bionic system, and method for purifying and removing algae |
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2016
- 2016-06-15 CN CN201610429504.4A patent/CN105923779A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102303923A (en) * | 2011-08-22 | 2012-01-04 | 珠江水利委员会珠江水利科学研究院 | Bionic composite filler, water body purification bionic system, and method for purifying and removing algae |
Non-Patent Citations (1)
| Title |
|---|
| 陈文龙等: "《珠三角城镇水生态修复理论与技术实践》", 30 June 2015, 中国水利水电出版社 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111436389A (en) * | 2020-04-16 | 2020-07-24 | 河北农业大学 | Method and device for directionally controlling aquatic animal population number and propagation and diffusion thereof |
| CN111436389B (en) * | 2020-04-16 | 2022-10-21 | 河北农业大学 | Method and device for directionally controlling aquatic animal population number and spreading and diffusing thereof |
| CN113800643A (en) * | 2021-10-13 | 2021-12-17 | 湖州师范学院 | Algae resource utilization method for algae bloom prevention and control and device applied to method |
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Application publication date: 20160907 |
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