CN102001755A - Landscaping type modularized multilayer combination biological floating island for purifying water quality of rivers and lakes of city - Google Patents
Landscaping type modularized multilayer combination biological floating island for purifying water quality of rivers and lakes of city Download PDFInfo
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- CN102001755A CN102001755A CN2010105656362A CN201010565636A CN102001755A CN 102001755 A CN102001755 A CN 102001755A CN 2010105656362 A CN2010105656362 A CN 2010105656362A CN 201010565636 A CN201010565636 A CN 201010565636A CN 102001755 A CN102001755 A CN 102001755A
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- Y02W10/10—Biological treatment of water, waste water, or sewage
Abstract
The invention relates to a landscaping type modularized multilayer combination biological floating island for purifying water quality of rivers and lakes of a city. The combination biological floating island is divided into an upper layer and a lower layer, wherein the middle part of the combination biological floating island is connected by a bracket, suspended biological filling materials with specific gravity being less than 1 are filled into box bodies of the upper-layer biological floating island and the lower-layer biological floating island, and water plants are planted into the box bodies; a floating body is arranged on the lower-layer biological floating island, a diving pump arranged in the lower layer is used for lifting water to the upper layer, landscaping drop water is formed by using a spray head, and water purified by the upper layer forms natural drop water and enters the lower layer through the drop water spray head to circularly purify a water body. The invention combines plant purification, a biological film and a drop water reoxygenation technology to purify water of rivers and lakes of a city and can effectively consume 54 percent of COD (Chemical Oxygen Demand), 51 percent of ammonia nitrogen and 12 percent of phosphate approximately in the water. The landscaping type modularized multilayer combination biological floating island has flexible construction, can be used for purifying water quality of rivers and lakes of a city and improves landscapes of rivers and lakes.
Description
Technical field
The present invention relates to urban rivers and lakes purification of water quality and water surrounding ecological reestablishment field, be specially a kind of landscape type modularization multiple layer combination biological floating island that is used for the urban rivers and lakes purification of water quality.
Background technology
Biological floating island is a kind of artificial buoyancy aid that swims in the similar raft on the water body, have another name called artificial floating bed, ecological island, ecological floating island etc., building the topmost function of biological floating island is purifying water body, for fish, birds and zooplankton are created the habitat and increase landscape effect.Biological floating island is that the BESTMAN company of Germany develops in twentieth century, and many subsequently countries have also launched research, especially developed countries such as Japan, the U.S..The biological floating island that is used for water treatment in early days mostly adopts single waterplant or multiple waterplant to carry out purification of water quality, Germany had built the biological floating island that is used for water treatment the earliest in 1979, twentieth century the mid-90 artificial floating island extensively is familiar with by Japanese scholar, and is applied to lake treatment.
China's polluted waters be the body eutrophication that causes because of N, P too high levels in the water body more than 90%, and the distribution of different organic pollutants in water body, N and P is different mainly based on organic pollutant and ammonia and nitrogen pollution, causes water pollution type difference.The river lake water pollution comes down to ecosystem degenerate problem, must explore the new way that effective dystrophication waters is administered with theory, thinking, the method for ecology.The general thought of biological floating island is: adopt the floating bed terrestrial plant to plant in river lake water face as pioneer plant, by it to P in the lake water, absorbing of nutritive salt such as N, reduce the superfluous nutrition in the water body significantly, excessive breeding with the control plant plankton, water transparency is greatly improved, water quality improves, thereby be recovering naturally of aquatic animals and plants, manually reseed tonic, build a good water surrounding condition for guaranteeing its normal fertility and procreation, making a part of aquatic animals and plants be able to nature recovers, a part is replenished, and aquatic ecosystem is repaired comprehensively.
Biological floating island of the prior art, the general floating bed carrier type chinampa of adopting partly is made up of chinampa framework, buoyancy aid or carrier, plant and chinampa mounting block etc., and the buoyancy aid of biological floating island adopts cystose more, and on cystose, get out several apertures artificially, with plant cultivating in the aperture the inside.
Chinese patent 200620071112.7 discloses " a kind of multifunctional vacuum water lift face water plant planting floating bed ", and this chinampa has simple in structure, but the advantage of arbitrary combination.But single buoyancy aid area is little, and is only limited by the plant absorbing decontamination effect improving, can enter anoxic condition after the underwater portion long-time running of chinampa, influences effects of purification quality.Chinese patent 200520011391.3 discloses " multifunctional bio chinampa quality purifying device for water ", this chinampa has absorption, the absorption of comprehensive utilization plant, technology such as the Filtration Adsorption of biological floating island, catalytic oxidation, the integrated advantage of microorganism control technique and water cycle technology etc.But because the restriction of plants on water surface fraction of coverage causes the interior effects of purification quality of unit water surface scope limited.
Therefore, demand providing a kind of at by the different different pollution type water bodys that cause of the distribution of organic pollutant, N and P urgently, have purification efficiency height, modularization multiple layer combination biological floating island that specific surface area is big.
Summary of the invention
The objective of the invention is to overcome weak point of the prior art, provide a kind of at by the different different pollution type water bodys that cause of the distribution of organic pollutant, nitrogen and phosphorus, have purification efficiency height, landscape type modularization multiple layer combination biological floating island that specific surface area is big.
Purpose of the present invention realizes by following technical measures:
The present invention is a kind of landscape type modularization multiple layer combination biological floating island that is used for the urban rivers and lakes purification of water quality, comprising combination biological floating island and hydraulic hoist device, wherein said combination biological floating island is divided into upper strata biological floating island and lower floor's biological floating island two portions, and the centre is connected to form by support.All fill suspended biological filler in the casing of upper and lower two-layer biological floating island, and planting aquatic plants.On lower floor's biological floating island buoyancy aid is housed.The submersible pump that is installed in the lower floor rises to the upper strata with water, utilizes shower nozzle to form the view drop, and the water after the upper strata purifies forms the nature drop by the drop shower nozzle and enters lower floor, and water body is carried out circularly purifying.The present invention combines plant purification, microbial film and drop reoxygenation technology, and the urban rivers and lakes water body is purified, and can effectively cut down COD, ammonia nitrogen and phosphoric acid salt in the water body, improves view simultaneously.
Above-mentioned a kind of landscape type modularization multiple layer combination biological floating island that is used for the urban rivers and lakes purification of water quality, it is characterized in that: biological floating island is divided into two-layer up and down, lower floor floats on the water surface, the upper strata is by highly being that the support of 30cm links with lower floor, place lower floor biological floating island top, two-layer up and down area ratio is 1: 3.
Above-mentioned a kind of landscape type modularization multiple layer combination biological floating island that is used for the urban rivers and lakes purification of water quality, it is characterized in that: the upper strata biological floating island is made of open-top formula lightweight water tank, lower floor's biological floating island is made of the water-resistant material net cage, fills proportion in lightweight water tank and the net cage and provides carrier less than 1 suspended biological filler for microbial film.
Above-mentioned a kind of landscape type modularization multiple layer combination biological floating island that is used for the urban rivers and lakes purification of water quality, it is characterized in that: the hydraulic hoist device places in lower floor's biological floating island net cage, its water outlet places biological floating island top, upper strata, realize the oxygen enrichment effect by drop, realized the triflux and the exchange of water body.
Above-mentioned a kind of landscape type modularization multiple layer combination biological floating island that is used for the urban rivers and lakes purification of water quality is characterized in that: plant waterplant such as Canna generalis Bailey, reed, Spiked Loosestrife, Herba Eichhorniae in the chinampa.At by the different different pollution type water bodys that cause of the distribution of organic pollutant, nitrogen and phosphorus, select different plants to make up the modularization chinampa, increase the selectivity of biological floating island purification function.
Above-mentioned a kind of landscape type modularization multiple layer combination biological floating island that is used for the urban rivers and lakes purification of water quality is characterized in that: plant purification, microbial film and drop reoxygenation technology are combined, water body is purified.
Above-mentioned a kind of landscape type modularization multiple layer combination biological floating island that is used for the urban rivers and lakes purification of water quality, it is characterized in that: waterplant can be used as feed, fertilizer and fuel etc. and is recycled.
The present invention compared with prior art has the following advantages:
1, the present invention is two-layer about biological floating island is divided into, and not influencing under its stable prerequisite, makes full use of the space, reduces water surface fraction of coverage, has improved specific surface area and purification efficiency.
2, biological floating island of the present invention is made of the lightweight water tank and the water-resistant material net cage of filling suspended biological filler, for microbial film provides carrier, has strengthened micro organism purifying effect.
3, the present invention has installed the hydraulic hoist device in biological floating island, makes water body enter the upper strata biological floating island, and then enters lower floor's biological floating island, has realized the triflux and the exchange of water body, has realized the drop reoxygenation, reaches the purpose that improves the water body dissolved oxygen.
4, the present invention is directed to by the different different pollution type water bodys that cause of the distribution of organic pollutant, nitrogen and phosphorus, select different plants to make up the modularization chinampa, increased the selectivity of biological floating island purification function.
5, the present invention has realized the integrated of multinomial technology such as plant purification, microbial film and drop reoxygenation.
Description of drawings
Accompanying drawing is a kind of two dimensional structure synoptic diagram that is used for the landscape type modularization multiple layer combination biological floating island of urban rivers and lakes purification of water quality of the present invention
Label declaration in the accompanying drawing is as follows:
1-lower floor biological floating island, 2-upper strata biological floating island, 3-submersible pump, 4-hydraulic pipe, 5-suspended biological filler, 6-net cage, 7-buoyancy aid, the 8-shower nozzle that drops, 9-fountain shower nozzle, 10-water tank.
Embodiment
The present invention is a kind of landscape type modularization multiple layer combination biological floating island that is used for the urban rivers and lakes purification of water quality, comprising combination biological floating island and hydraulic hoist device, wherein said combination biological floating island is divided into upper strata biological floating island 2 and lower floor's biological floating island 1 two portions, and the centre is connected to form by the support that highly is 30cm.Upper strata biological floating island 2 is made of open-top formula lightweight water tank 10, fill proportion in the water tank 10 less than 1 suspended biological filler 5, lower floor's biological floating island 1 is made of water-resistant material net cage 6, fill suspended biological filler 5 in the net cage 6, device buoyancy aid 7 makes the overall proportion of combination biological floating island less than 1 on lower floor's biological floating island 1, and the combination biological floating island can be floated in the water.Submersible pump 3 is installed in lower floor's biological floating island is used for hydraulic hoist, rise to upper strata biological floating island 2, utilize shower nozzle 9 to form the view drop by hydraulic pipe 4.Water body after upper strata biological floating island 2 purifies forms nature drop effect by drop shower nozzle 8, and enters in lower floor's biological floating island 3, and water body is carried out circularly purifying.
Embodiment 1:
Utilize above-mentioned embodiment to purify the simulation river.The combination biological floating island is of a size of: the upper strata biological floating island is Φ 10cm, the cylinder water tank of h15cm; Lower floor's biological floating island is that rib length is the square plastics net cage of 30cm, and useful volume is 34L.At hydraulic detention time is 24h, 24～32 ℃ of temperature.Purifying COD concentration in the above conditions is 85～124mg/L, and ammonia nitrogen concentration is 12～16mg/L, and total phosphorus concentration is the simulation river of 2.8～3.2mg/L.The multiple layer combination biological floating island of plantation Canna generalis Bailey is best to the removal effect of COD, and clearance can reach about 65%; The multiple layer combination biological floating island of plantation reed is best to the removal effect of ammonia nitrogen, and clearance can reach about 60%, and the multiple layer combination biological floating island of plantation Spiked Loosestrife is best to the removal effect of total phosphorus, and clearance can reach about 15%.
Embodiment 2:
Utilize above-mentioned embodiment purifying river water.The combination biological floating island is of a size of: the upper strata biological floating island is Φ 10cm, the cylinder water tank of h15cm; Lower floor's biological floating island is that rib length is the square plastics net cage of 30cm, and useful volume is 34L.At hydraulic detention time is 24h, and temperature is that to purify COD concentration under 23～30 ℃ the condition be 75～92mg/L, and ammonia nitrogen concentration is 2.5～4.5mg/L, and total phosphorus concentration is the river of 0.34～0.88mg/L.The multiple layer combination biological floating island of plantation Canna generalis Bailey is best to the removal effect of COD, and clearance can reach about 54%; The multiple layer combination biological floating island of plantation reed is best to the removal effect of ammonia nitrogen, and clearance can reach about 51%, and the multiple layer combination biological floating island of plantation Spiked Loosestrife is best to the removal effect of total phosphorus, and clearance can reach about 12%.
Claims (7)
1. landscape type modularization multiple layer combination biological floating island that is used for the urban rivers and lakes purification of water quality, realize by following technical measures: the present invention includes combination biological floating island and hydraulic hoist device, wherein said combination biological floating island is divided into upper strata biological floating island and lower floor's biological floating island two portions, and the centre is connected to form by support.All fill suspended biological filler in the casing of upper and lower two-layer biological floating island, and planting aquatic plants.On lower floor's biological floating island buoyancy aid is housed.The submersible pump that is installed in the lower floor rises to the upper strata with water, utilizes shower nozzle to form the view drop, and the water after the upper strata purifies forms the nature drop by the drop shower nozzle and enters lower floor, and water body is carried out circularly purifying.The present invention combines plant purification, microbial film and drop reoxygenation technology, and the urban rivers and lakes water body is purified, and can effectively cut down COD, ammonia nitrogen and phosphoric acid salt in the water body, improves view simultaneously.
2. a kind of landscape type modularization multiple layer combination biological floating island that is used for the urban rivers and lakes purification of water quality according to claim 1, it is characterized in that: biological floating island is divided into two-layer up and down, lower floor floats on the water surface, the upper strata is by highly being that the support of 30cm links with lower floor, place lower floor biological floating island top, two-layer up and down area ratio is 1: 3.
3. according to claim 1,2 described a kind of landscape type modularization multiple layer combination biological floating islands that are used for the urban rivers and lakes purification of water quality, it is characterized in that: the upper strata biological floating island is made of open-top formula lightweight water tank, lower floor's biological floating island is made of the water-resistant material net cage, fills proportion in lightweight water tank and the net cage and provides carrier less than 1 suspended biological filler for microbial film.
4. according to claim 1,2,3 described a kind of landscape type modularization multiple layer combination biological floating islands that are used for the urban rivers and lakes purification of water quality, it is characterized in that: the hydraulic hoist device places in lower floor's biological floating island net cage, its water outlet places biological floating island top, upper strata, realize the oxygen enrichment effect by drop, realized the triflux and the exchange of water body.
5. according to claim 1,2,3,4 described a kind of landscape type modularization multiple layer combination biological floating islands that are used for the urban rivers and lakes purification of water quality, it is characterized in that: plant waterplant such as Canna generalis Bailey, reed, Spiked Loosestrife, Herba Eichhorniae in the chinampa.At by the different different pollution type water bodys that cause of the distribution of organic pollutant, nitrogen and phosphorus, select different plants to make up the modularization chinampa, increase the selectivity of biological floating island purification function.
6. according to claim 1,2,3,4,5 described a kind of landscape type modularization multiple layer combination biological floating islands that are used for the urban rivers and lakes purification of water quality, it is characterized in that: plant purification, microbial film and drop reoxygenation technology are combined, water body is purified.
7. according to claim 1,2,3,4,5,6 described a kind of landscape type modularization multiple layer combination biological floating islands that are used for the urban rivers and lakes purification of water quality, it is characterized in that: waterplant can be used as feed, fertilizer and fuel etc. and is recycled.
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| CN2010105656362A CN102001755B (en) | 2010-11-30 | 2010-11-30 | Landscaping type modularized multilayer combination biological floating island for purifying water quality of rivers and lakes of city |
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| CN2010105656362A CN102001755B (en) | 2010-11-30 | 2010-11-30 | Landscaping type modularized multilayer combination biological floating island for purifying water quality of rivers and lakes of city |
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| CN102001755B CN102001755B (en) | 2012-11-21 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102616934A (en) * | 2012-01-13 | 2012-08-01 | 广州市新之地环保产业有限公司 | Purifier for ecological restoration of water body |
| CN103601299A (en) * | 2013-11-14 | 2014-02-26 | 西南大学 | Method for increasing N (Nitrogen), P (Phosphorus) and COD (Chemical Oxygen Demand) removal rate of biogas liquid based on water-dropping ecological floating bed |
| CN105540861A (en) * | 2016-01-22 | 2016-05-04 | 华南理工大学 | Ecological restoration device for water body oxygenation and activation and application thereof |
| CN106006981A (en) * | 2016-06-27 | 2016-10-12 | 浙江水利水电学院 | Water treatment method for ecological construction of landscape park |
| CN107162208A (en) * | 2017-05-17 | 2017-09-15 | 南京鼎盛合力水利技术有限公司 | Floating-island type biomembrane Water Ecological Recovery controlling device and apply its method |
| CN107352652A (en) * | 2017-02-13 | 2017-11-17 | 江苏美景时代环保科技有限公司 | A kind of pumping-up type is oxygenated ecoscape prosthetic device |
| CN109502756A (en) * | 2018-12-29 | 2019-03-22 | 苏州科技大学 | Microbial ecological bed |
| CN111762895A (en) * | 2020-07-10 | 2020-10-13 | 中科智创生态环境建设有限公司 | Ecological purification island for lake |
| CN114314851A (en) * | 2021-12-30 | 2022-04-12 | 南京科盛环保技术有限公司 | Suspended ecological restoration artificial island and construction method |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102616934A (en) * | 2012-01-13 | 2012-08-01 | 广州市新之地环保产业有限公司 | Purifier for ecological restoration of water body |
| CN103601299A (en) * | 2013-11-14 | 2014-02-26 | 西南大学 | Method for increasing N (Nitrogen), P (Phosphorus) and COD (Chemical Oxygen Demand) removal rate of biogas liquid based on water-dropping ecological floating bed |
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| CN105540861A (en) * | 2016-01-22 | 2016-05-04 | 华南理工大学 | Ecological restoration device for water body oxygenation and activation and application thereof |
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| CN107162208A (en) * | 2017-05-17 | 2017-09-15 | 南京鼎盛合力水利技术有限公司 | Floating-island type biomembrane Water Ecological Recovery controlling device and apply its method |
| CN107162208B (en) * | 2017-05-17 | 2018-05-15 | 南京鼎盛合力水利技术有限公司 | Floating-island type biomembrane Water Ecological Recovery controlling device and apply its method |
| CN109502756A (en) * | 2018-12-29 | 2019-03-22 | 苏州科技大学 | Microbial ecological bed |
| CN109502756B (en) * | 2018-12-29 | 2024-03-22 | 苏州科技大学 | Microbial ecological bed |
| CN111762895A (en) * | 2020-07-10 | 2020-10-13 | 中科智创生态环境建设有限公司 | Ecological purification island for lake |
| CN114314851A (en) * | 2021-12-30 | 2022-04-12 | 南京科盛环保技术有限公司 | Suspended ecological restoration artificial island and construction method |
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