CN104671420A - Downward-flow denitrification floating island - Google Patents
Downward-flow denitrification floating island Download PDFInfo
- Publication number
- CN104671420A CN104671420A CN201510095908.XA CN201510095908A CN104671420A CN 104671420 A CN104671420 A CN 104671420A CN 201510095908 A CN201510095908 A CN 201510095908A CN 104671420 A CN104671420 A CN 104671420A
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- Prior art keywords
- pvc
- stainless steel
- pvc pipe
- length
- steel frame
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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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- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- 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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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
- C02F2203/004—Apparatus and plants for the biological treatment of water, waste water or sewage comprising a selector reactor for promoting floc-forming or other bacteria
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- Life Sciences & Earth Sciences (AREA)
- Microbiology (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Botany (AREA)
- Biotechnology (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Fertilizers (AREA)
Abstract
The invention discloses a downward-flow denitrification floating island which comprises a suspension system, a stabilization system and a microbial denitrification system, wherein the suspension system comprises PVC (polyvinyl chloride) pipes (5) with the diameter of 300 mm and PVC pipes (6) with the diameter of 200 mm; the stabilization system is located in the position 1,000 mm under the suspension system, adopts a square stainless steel frame (2) with hollow inside and is connected with PVC floating balls (1) through floating ball ropes (9), the external side length of the frame is 6,000 mm, and the internal side length is 3,000 mm; and the microbial denitrification system comprises a PVC box (4), soft filler (10) and a supporting layer (11), each of the bottom length and bottom width of the PVC box (4) is 3,000 mm, the height is 5,300 mm, the upper end is open, the top end is 300 mm higher than each PVC pipe (5), and the part, in the position 1,000 mm below the water surface, of the PVC box is connected with the internal sides of the stainless steel frame (2). The downward-flow denitrification floating island has the following advantages: the structure is compact, and the denitrification efficiency is high; water flows through the soft filler (10) from top to bottom by means of the microbial denitrification system with assistance of the gravity of water body, and power is saved; and the stereoscopic cross-shaped structure of the floating island has high stability and cannot overturn.
Description
Technical field
Patent of the present invention belongs to water ecology recovery technique field, to be specifically related under one, to flow denitrification chinampa, be particularly useful for the restoration of the ecosystem of storehouse, lake polluted by nitrogen.
Background technology
Along with the further raising of domestic industry degree, the further expanding of scale of urbanization, and a large amount of applyings of chemical fertilizer, a large amount of nitrogenous substances is directly entered or is flowed into receiving water body with rainfall runoff, considerably increase outburst probability and the outburst intensity of body eutrophication, the lake base area poor at water body flow is particularly outstanding.According to investigations, the Hu Ku of China nearly 30% is in eutrophic state, and the scope of body eutrophication is development trend.At present, body eutrophication has become one of main Environmental Problems of puzzlement China water environment safety, and therefore, the effective Treatment process seeking body eutrophication is very important.
Artificial floating island is one of nitrogen remittance control techniques, compared with additive method, and artificial floating island technical operation low cost, not land occupation, and can good landscape effect be produced.Patent documentation " method of purifying combined-flow artificial floating island water body and device (ZL200810175300.8) " reports a kind of combined-flow artificial floating island technology effectively removing nitrogen phosphorus; Patent documentation " a kind of composite ecological floating island (ZL201120180469.X) " reports the artificial floating island technology that a kind of plant purification and microbially decontaminate combine; Patent documentation " a kind of combination unit (ZL201310277909.7) repaired for landscape water body " reports a kind of refining plant comprising the functional zone such as water quality regulation district, filtration Jie Wu district, emergent laying district, drop natural reaeration region, artificial floating island laying district.But above technical pattern is complicated, water surface area occupied is large, and develop a kind of compact construction, purification of water quality efficiency much higher function floating island technique is necessary.
Summary of the invention
The defect existed for prior art and deficiency, to flow denitrification chinampa under proposition one.Plant absorption denitrogenation together with Microbial denitrogenation combine with technique, is not toppled by this device, and denitrification efficiency is high.
Technical scheme is as follows:
Lower to flow denitrification chinampa, it is characterized in that described device is made up of suspension system, stabilisation system, Microbial denitrogenation system three part.Suspension system is made up of the pvc pipe (5) of diameter 300mm and pvc pipe (6) two portions of diameter 200mm, pvc pipe (5) four edge lengths is 3000mm, and four limit integral sealings through be hollow structure, the every root length 2400mm of pvc pipe (6), is tightly connected by different reducing tee and pvc pipe (5) every 600mm; Pvc pipe (5) and pvc pipe (6) around space hang the stainless (steel) wire of dark 200mm, aperture 10mm, Inner fills out slag (3), depth of cracking closure 100mm, plants the blue or green cogongrass (7) of emergent on slag (3).Stabilisation system is positioned at 1000mm place immediately below suspension system, is empty stainless steel frame (2) in the square of outer length of side 6000mm, interior length of side 3000mm, is welded form by the square stainless steel tube of length of side 20mm; The corner, outside of stainless steel frame (2) is connected with the PVC ball float (1) of diameter 600mm respectively by ball float rope (9), and ball float rope (9) length is 1000mm; The long stainless steel tube of 8 1500mm is welded with between stainless steel frame (2) outside and inner edge, and the space of outside and inner edge hangs the stainless (steel) wire of dark 200mm, aperture 10mm, Inner fills out slag (3), depth of cracking closure 100mm, and slag plants planting submerged plant p.malaianus on (3); Stainless steel frame intermediate symmetry places two submersible pumps (8).Microbial denitrogenation system is made up of PVC casing (4), soft-filler (10) and supporting layer (11); PVC casing (4) is of a size of end length and bottom width is 3000mm, high 5300mm, and upper end open; PVC casing (4) top is connected with pvc pipe (5), and PVC casing (4) top is higher than pvc pipe (5) 300mm; 1000mm place below PVC casing (4) water surface is connected with the inner edge of stainless steel frame (2), and bottom is connected with supporting layer (11); Supporting layer (11) is made up of the stainless (steel) wire of aperture 10mm, length and the wide 3000mm of being.
The major advantage of this patent is as follows: (1), apparatus structure are compact, and nitric efficiency is high; (2), Microbial denitrogenation system realizes current by water body gravity and flows through soft-filler (10) from top to bottom, saving power; (3), plant purification and microbially decontaminate function combine by device, improves nitric efficiency; (4), solid " ten " the glyph construction stationarity of device is high, do not topple.
Accompanying drawing explanation
Fig. 1 is the floor map of this device; Fig. 2 is this device A-A sectional view.
In figure: 1-PVC ball float; 2-stainless steel frame; 3-slag; 4-PVC casing; The pvc pipe of 5-diameter 300mm; The pvc pipe of 6-diameter 200mm; The blue or green cogongrass of 7-emergent; 8-submersible pump; 9-ball float rope; 10-soft-filler; 11-supporting layer.
Embodiment
See Fig. 1-Fig. 2, this device is made up of suspension system, stabilisation system, Microbial denitrogenation system three part.First, the pvc pipe of cut-off footpath 300mm, length 3000mm (5) 4, and coupled together, as the quadrilateral frame of suspension system by the PVC elbow of diameter 300mm; The pvc pipe of cut-off footpath 200mm (6) 6, the long 2400mm of every root, is tightly connected by different reducing tee and pvc pipe (5) every 600mm; Pvc pipe (5) and pvc pipe (6) around space in hang the stainless (steel) wire of dark 200mm, aperture 10mm, Inner fills out slag (3), depth of cracking closure 100mm, plants the blue or green cogongrass (7) of emergent on slag (3).
Get the square stainless steel tube 4 of long 6000mm, cross section length of side 20mm, welding forms the outside of stainless steel frame (2); Get the square stainless steel tube 4 of long 3000mm, cross section length of side 20mm, welding forms the inner edge of stainless steel frame (2); Get the square stainless steel tube 8 of long 1500mm, cross section length of side 20mm, by the outside of stainless steel frame (2) and inner edge integrally soldered, and the weld of inner edge is the corner of inner edge, and the weld of outside is the position of every back gauge turning 1500mm.In stainless steel frame (2) outside with the space of inner edge, hang the stainless (steel) wire of dark 200mm, aperture 10mm, Inner fills out slag (3), depth of cracking closure 100mm, and slag plants planting submerged plant p.malaianus on (3); Stainless steel frame intermediate symmetry places two submersible pumps (8).The corner, outside of stainless steel frame (2) is connected with the PVC ball float (1) of diameter 600mm respectively by ball float rope (9), and ball float rope (9) length is 1000mm.
Biological denitrification system is made up of PVC casing (4), soft-filler (10) and supporting layer (11); PVC casing (4) is of a size of end length and bottom width is 3000mm, high 5300mm, upper end open; PVC casing (4) top is connected with pvc pipe (5), and PVC casing (4) top is higher than pvc pipe (5) 300mm; 1000mm place below PVC casing (4) water surface is connected with the inner edge of stainless steel frame (2), and bottom is connected with supporting layer (11); Supporting layer (11) is made up of the stainless (steel) wire of aperture 10mm, length and the wide 3000mm of being.
Water surface is positioned over after device processes, and plant the blue or green cogongrass (7) of emergent and submerged plant p.malaianus, utilize the nitrogen in plant absorption effect purifying water body, simultaneously, open submersible pump (8), surface water is pumped into PVC casing (4), when to flow through soft-filler (10) in PVC casing (4) from top to bottom by action of gravity at current, utilize the physiological action of microorganism to improve the decontamination effect improving of nitrogen further.
Claims (4)
1., time to flow denitrification chinampa, it is characterized in that: described device is made up of suspension system, stabilisation system, Microbial denitrogenation system three part.
2. to flow denitrification chinampa under as claimed in claim 1, it is characterized in that suspension system is made up of the pvc pipe (5) of diameter 300mm and pvc pipe (6) two portions of diameter 200mm, pvc pipe (5) four edge lengths is 3000mm, and four limit integral sealings through be hollow structure, the every root length 2400mm of pvc pipe (6), is tightly connected by different reducing tee and pvc pipe (5) every 600mm; Pvc pipe (5) and pvc pipe (6) around space hang the stainless (steel) wire of dark 200mm, aperture 10mm, Inner fills out slag (3), depth of cracking closure 100mm, plants the blue or green cogongrass (7) of emergent on slag (3).
3. to flow denitrification chinampa under as claimed in claim 1, it is characterized in that stabilisation system is positioned at 1000mm place immediately below suspension system, for empty stainless steel frame (2) in the square of outer length of side 6000mm, interior length of side 3000mm, welded by the square stainless steel tube of length of side 20mm and form; The corner, outside of stainless steel frame (2) is connected with the PVC ball float (1) of diameter 600mm respectively by ball float rope (9), and ball float rope (9) length is 1000mm; The long stainless steel tube of 8 1500mm is welded with between stainless steel frame (2) outside and inner edge, and the space of outside and inner edge hangs the stainless (steel) wire of dark 200mm, aperture 10mm, Inner fills out slag (3), depth of cracking closure 100mm, and slag plants planting submerged plant p.malaianus on (3); Stainless steel frame intermediate symmetry places two submersible pumps (8).
4., to flow denitrification chinampa under as claimed in claim 1, it is characterized in that Microbial denitrogenation system is made up of PVC casing (4), soft-filler (10) and supporting layer (11); PVC casing (4) is of a size of end length and bottom width is 3000mm, high 5300mm, and upper end open; PVC casing (4) top is connected with pvc pipe (5), and PVC casing (4) top is higher than pvc pipe (5) 300mm; 1000mm place below PVC casing (4) water surface is connected with the inner edge of stainless steel frame (2), and bottom is connected with supporting layer (11); Supporting layer (11) is made up of the stainless (steel) wire of aperture 10mm, length and the wide 3000mm of being.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510095908.XA CN104671420B (en) | 2015-03-04 | 2015-03-04 | It is lower to flow denitrification chinampa |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510095908.XA CN104671420B (en) | 2015-03-04 | 2015-03-04 | It is lower to flow denitrification chinampa |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104671420A true CN104671420A (en) | 2015-06-03 |
| CN104671420B CN104671420B (en) | 2018-06-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510095908.XA Expired - Fee Related CN104671420B (en) | 2015-03-04 | 2015-03-04 | It is lower to flow denitrification chinampa |
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| Country | Link |
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| CN (1) | CN104671420B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104591399A (en) * | 2015-03-04 | 2015-05-06 | 重庆文理学院 | Radial flow type denitrification floating island |
| CN106277346A (en) * | 2016-10-28 | 2017-01-04 | 宁波大学 | A kind of anti-wave ecological chinampa |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020096770A (en) * | 2001-06-21 | 2002-12-31 | 최원일 | Floating island with Mooring apparatus and Mooring apparatus for variable water level |
| CN102020355A (en) * | 2010-11-11 | 2011-04-20 | 华南理工大学 | Reinforced type complex ecological floating island |
| CN103787507A (en) * | 2014-02-28 | 2014-05-14 | 冯雷 | Multifunctional stereo ecological floating island |
-
2015
- 2015-03-04 CN CN201510095908.XA patent/CN104671420B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020096770A (en) * | 2001-06-21 | 2002-12-31 | 최원일 | Floating island with Mooring apparatus and Mooring apparatus for variable water level |
| CN102020355A (en) * | 2010-11-11 | 2011-04-20 | 华南理工大学 | Reinforced type complex ecological floating island |
| CN103787507A (en) * | 2014-02-28 | 2014-05-14 | 冯雷 | Multifunctional stereo ecological floating island |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104591399A (en) * | 2015-03-04 | 2015-05-06 | 重庆文理学院 | Radial flow type denitrification floating island |
| CN106277346A (en) * | 2016-10-28 | 2017-01-04 | 宁波大学 | A kind of anti-wave ecological chinampa |
| CN106277346B (en) * | 2016-10-28 | 2019-08-02 | 宁波大学 | A kind of anti-wave ecological chinampa |
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| Publication number | Publication date |
|---|---|
| CN104671420B (en) | 2018-06-01 |
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| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Yu Hui Inventor after: Yao Yucen Inventor after: Jin Ji Inventor before: Yu Hui Inventor before: Yu Fang Inventor before: Wang Shumin |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180601 Termination date: 20190304 |