CN102583758B - Floating bed filter screen type biofilm grid - Google Patents
Floating bed filter screen type biofilm grid Download PDFInfo
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- CN102583758B CN102583758B CN2012100321234A CN201210032123A CN102583758B CN 102583758 B CN102583758 B CN 102583758B CN 2012100321234 A CN2012100321234 A CN 2012100321234A CN 201210032123 A CN201210032123 A CN 201210032123A CN 102583758 B CN102583758 B CN 102583758B
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- filter screen
- floating bed
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- type biofilm
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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Abstract
The invention relates to a floating bed filter screen type biofilm grid. A main body of the floating bed filter screen type biofilm grid comprises a filter screen and an ecological floating bed. The filter screen has the characteristics of light weigh, excellent water vapour permeability and strong impact resistance. The aperture of the filter screen is 50-200cm. The ecological floating bed can be formed by combining a plurality of planting carriers or adopts a forming monomer; sectional bamboo canes, on one end of the ecological floating bed, which is fixed with a wall body, are respectively provided with buckles; anchor bolt hooks are arranged under inner-ring bamboo canes; and the buckles are buckled with corresponding slide bars or iron chains and other fixed manners arranged under a river channel discharge opening, so that the floating bed is fixed, can be prevented from being carried away along with water flow, and can be floated up and down along with the water level. The invention provides a water environment treatment method and device which are used for intercepting suspended matters discharged from a pipeline due to rain wash through a screening function of the filter screen and an adsorption effect of a root system of the ecological floating bed, and not only can suppress further deterioration of waterway environment, but also have a certain landscape effect. The floating bed filter screen type biofilm grid has the characteristics of low cost, convenience in installation, simplicity and easiness in maintenance, and certain landscape effect, and can be widely applied in harnessing of urban rivers.
Description
Technical field
The present invention relates to the Water Pollution Control Engineering technical field, specifically belong to a kind of physics hold-up interception method and device thereof of holding back rainy day pipeline settling and suspended substance in urban rivers and lakes improvement.
Background technology
The drainage pipeline settling mainly comes from the suspended substance that suspended substance in sanitary sewage and rainy day runoff are brought drainage pipeline into.Its character is subjected to the impact of the factors such as drainage feature, water exhaust system type and structure and sewage character.
Physico-chemical property sedimental according to pipeline can be divided into the pipeline settling bottom coarse particles settling, organic layer and microbial film three classes.Bottom coarse particles settling is positioned at the bottom of pipeline, shows inorganic nature, is black gray expandable, and particulate matter is thicker, and diameter is grade, and proportion is maximum in the pipeline settling, and this layer close structure has very strong resistivity to water impact.Organic layer is covered in above bottom coarse particles settling, is made of fine particle, is brown, show very strong biochemical characteristic, wash away and have potential pollution hazard after entering natural water, this layer impact resistance a little less than, even very little catchment also can make it be destroyed.On near the tube wall that microbial film forms usually and the water surface is, be to be made of the microorganism layer that covers on organic matter, under aerobic and anaerobic conditions, the bacterial number on microbial film has very strong activity near active sludge.Most of pollutents are present in bottom coarse particles settling, and in organic layer and microbial film, pollutant load is very little, but the rainy day pollution is mainly derived from organic layer.
During the rainy day, rainwater can wash away that urban duct causes the pipeline settling of fine day accumulation in pipe and the rainy day road surface is washed away or the suspended substance of overflow sewage enters the lake, river, make a large amount of black clods of lake, river surface flotation, not only water body is caused serious pollution, and affect urban look and produce bad sensory effect.
At present, to main method related to the present invention in the improvement method of rainy day pipeline settling and suspended substance catch basin arranged, set up baffle plate, filter screen and grid and pipeline draw clearly.
1. catch basin
Catch basin is arranged in the inspection chamber of close Pai Kou upstream usually, and when the rainy day rainwater passes through catch basin in pipeline, the partial suspended thing is precipitated to the shaft bottom, and all the other are taken away by current and directly enter the lake, river.The treatment effect of the method is relatively poor, the construction trouble, and construction costs is high, and applicable elements also is subjected to the field conditions restriction larger.
2, set up baffle plate and grid
In order to reduce the rainfall row mouthful suspended substance of discharging, baffle plate is set the rainwater of being everlasting both at home and abroad outflow Jing Chu or grid is completed, the method can effectively be dealt with problems to a certain extent, but comparatively bother during construction, implement the improper pipeline Yong Shui that easily causes, affect the pipeline traffic capacity, need to consider row's mouthful peripheral situation when therefore implementing.
3, pipeline is drawn clearly
The drainage pipeline settling will wherein be composed the pollutent of depositing and again is released to urban water-body and pollutes under the souring of rainfall runoff.Therefore, carrying out in time that pipeline draws clearly is effectively to contain the sedimental method of pipeline, the domestic existing novel equipment of drawing clearly that sedimental removal method in street inlet for stom water and drainage pipeline is adopted import.But the method original equipment cost is comparatively expensive, needs in addition the special messenger to safeguard, comparatively inconvenience.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide a kind of sieving action by filter screen and biological floating bed root system absorption effectiveness to hold back the macrobead suspended substance of discharging in the pipeline with rain drop erosion, both can check the river course water surrounding and further worsen, have again the water environment treatment method of certain landscape effect.
Floating bed filter screen type biofilm grid of the present invention is administered mechanism: the sewage that the dirty row of rainy day river course rain mouthful goes out stream falls into the filter screen that settle the Pai Kou lower end, and the suspended substance that pipeline settling and road surface are washed away is trapped within filter screen, and water appears from the filter screen space.Float on biological floating bed in water, can be used as the bracing frame of filter screen, the waterplant that grows on floating bed also can absorb organism and the nutritive substances such as N, P in water.By regularly drawing clearly filter screen, harvesting and replacing floating bed, reach the effect of controlling the pipeline sediment pollution.
Floating bed filter screen type biofilm grid main body of the present invention is filter screen and biological floating bed.Filter screen adopts that material is light, water permeability is good, the filter screen of strong shock resistance, and length can be sink to the river bed, makes it can be floating with current, and water preventing ability is little, and the filter screen that sinks to the bottom can be to the excessive lower pulling force of biological floating bed generation.On filter screen every 30-40cm according to the filter screen diameter with the fixedly lopping of hard material, filter screen bottom fix with circular iron wire grid base plate or directly heavy and the bottom all can, make filter screen to be fixed into cylindrical, both prevented that filter screen from being broken up by current, be convenient to again change and cleaning.The filter screen bore is 50-200cm, and concrete size is definite according to rainy day row's mouthful water outlet stream range, and aperture of filter screen is determined in conjunction with the cleaning maintenance frequency according to the suspended substance removal requirement.The biological floating bed customization finished product that is generally can or adopt the moulding monomer by a plurality of plantation carrier combinations, and shape can be designed to circular arc or other patterns, and inner ring diameter is definite according to the filter screen bore, and inner ring has hook and is convenient to suspended filter screen.Slide bar or wireline are installed on the barricade under the river course water port, biological floating bed inside and outside ring cross-section and filter screen is fixing around row's mouth, whole device can be fluctuated with water level.
Biological floating bed and body of wall is fixed the cross section bamboo cane of an end latch closure all is installed, the crab-bolt hook is installed under the inner ring bamboo cane, latch closure interlocks with other fixed forms such as river course row mouthful lower corresponding slide bar or iron chains are set, is used for fixedly that floating bed had both prevented from washing away with current, and floating bed is fluctuated with water level.Inner ring lower draw-bar suspended filter screen is easy to taking-up and guarantees that again filter screen can not break away from hook with the current fluctuation in the time of should guaranteeing to clear up.Filter screen also copies floating bed fixed form and river course barricade to fix on one side near row's mouth, guarantees that the rainy day current can be washed in filter screen, reach the removal purpose.
Advantage of the present invention is:
(1) easy construction, construction costs is low.Main body of the present invention only has filter screen and biological floating bed, only need under river course row's mouth, other fixed forms such as slide bar or iron chains to be installed, filter screen length and aperture all can be according to river bed absolute altitude and on-the-spot actual suitably adjustment, and biological floating bed is all the customization finished product, and shape also can be according to the field conditions Self-adjustment.Filter screen only need to be suspended on biological floating bed under, and in river course row mouthful fixing getting final product, so installation process is easy.
(2) the removal purpose has not only been satisfied in filter screen and biological floating bed combination, and be to be a kind of expansion to biological floating bed application, both taken into account its intrinsic effectiveness, utilize the powerful root system absorption effectiveness of floating bed vegetation to remove N, P and macrobead suspended substance in water body, kept simultaneously the self-purification function of the original microorganism in river course, installing in addition integral body does not affect river flood control flood discharge function, and the waterplant of planting on floating bed has been beautified again river course environment.
(3) cleaning is simple and easy, convenient later maintenance.During cleaning, can will take out the hook of filter screen under ecological filter screen, if settling quantity is seldom directly poured out dirt in filter screen, filter screen utilizes again, if the more inconvenience cleaning of settling quantity or filter screen have breakage, replaceable new filter screen.The charge is small due to filter screen, so the later maintenance expense is not high.
Description of drawings
Fig. 1---plane structure chart of the present invention
The A-A sectional structure chart of Fig. 2---Fig. 1
Fig. 3---chinampa monomer orthographic plan
Fig. 4---plantation basket orthographic plan
The B-B sectional view of Fig. 5---Fig. 4.
Embodiment
Example 1
Enumerate wherein a kind of practice of doing below in conjunction with accompanying drawing and come that the invention will be further described:
As shown in Figure 1, 2, customizing biological floating bed Internal and external cycle fixes by bamboo cane 4 and 5, inside links the biological floating bed finished product of the circular arc that forms by plantation carrier 3 by hasp, settle crab-bolt hook 6 under the inner ring bamboo cane, filter screen 8 is hung on this, annular hasp is also installed in the Internal and external cycle cross section separately, is used for being fixed on around river course row's mouth.
Device slide bar or iron chains 7 on the barricade 2 of the dirty drainage pipeline 1 of river course rain, annular hasp 9 annular parts and the slide bar of floating bed Internal and external cycle are nested, and hasp and floating bed are connected and fixed.
Device wherein be used for the position of fixing slide bar and latch closure and quantity and kind all can according to on-the-spot actual state again row regulate.
Filter screen is fixed around filter screen with iron ring or other materials 10 every 30-40cm, and filter screen bottom also available iron grid soffit is fixed or made filter screen directly be sunken to the bottom, makes the filter screen moulding in order to avoid is washed away by current, also is convenient to get change cleaning.In addition, for guaranteeing that the rainy day pipeline goes out stream and can all flow in filter screen, the filter screen bore is that 50-200cm specifically need to decide according to actual stream distance, and aperture of filter screen is regulated voluntarily according to processing requirements.For the ease of the later stage cleaning, annular hook and crab-bolt hook crotch part should conveniently be taken out, and guarantee that again the hook parts can not wash away with current.
Should be pointed out that the above embodiment can make those skilled in the art more fully understand the present invention, but do not limit the present invention in any way.Therefore, although this specification sheets has been described in detail the present invention with reference to drawings and Examples, it will be appreciated by those skilled in the art that still and can modify or be equal to replacement the present invention; And the technical scheme that all do not depart from the scope of the present invention and improvement thereof, it all should be encompassed in the middle of protection scope of the present invention.
Claims (1)
1. floating bed filter screen type biofilm grid, comprise filter screen and biological floating bed, it is characterized in that: the filter screen bore is 50-200cm, aperture of filter screen require to determine according to site disposal, and filter screen length is sink to the river bed, on filter screen every 30-40cm according to the filter screen diameter with the fixedly lopping of hard material, filter screen bottom is selected to fix or directly be sunken to the bottom with circular iron wire grid base plate, make filter screen be fixed into cylindrical, both prevented that filter screen from being broken up by current, make again and change cleaning conveniently; Biological floating bed shape is designed to circular arc or other patterns by a plurality of plantation carrier combinations or employing moulding monomer, and inner ring diameter is definite according to the filter screen bore, and inner ring has hook and is convenient to suspended filter screen; River course Pai Kou divides into barricade and slide bar or chain is installed on barricade, biological floating bed and body of wall is fixed the cross section bamboo cane of an end latch closure all is installed, the crab-bolt hook is installed under the inner ring bamboo cane, latch closure interlocks with river course row mouthful lower corresponding slide bar or iron chains are set, Yi Bian filter screen mouthful also copies floating bed fixed form and river course barricade to fix near row.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100321234A CN102583758B (en) | 2012-02-14 | 2012-02-14 | Floating bed filter screen type biofilm grid |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100321234A CN102583758B (en) | 2012-02-14 | 2012-02-14 | Floating bed filter screen type biofilm grid |
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| Publication Number | Publication Date |
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| CN102583758A CN102583758A (en) | 2012-07-18 |
| CN102583758B true CN102583758B (en) | 2013-06-05 |
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| CN2012100321234A Expired - Fee Related CN102583758B (en) | 2012-02-14 | 2012-02-14 | Floating bed filter screen type biofilm grid |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103526725A (en) * | 2013-10-28 | 2014-01-22 | 苏州大学 | Floating isle positioning device |
| CN104193096B (en) * | 2014-09-02 | 2016-03-23 | 南昌工程学院 | Cascade filtration floating bed pollution treatment slope |
| CN113620511B (en) * | 2021-07-23 | 2023-05-12 | 宁波市风景园林设计研究院有限公司 | Landscape ecological water circulation treatment system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1657442A (en) * | 2005-02-05 | 2005-08-24 | 南京大学 | Method for purifying water of river and channel by biological grid |
| CN2839265Y (en) * | 2005-10-21 | 2006-11-22 | 山东大学 | Island grate integrated biological water purifier |
| CN202499786U (en) * | 2012-02-14 | 2012-10-24 | 河海大学 | Floating bed filter screen type biological grid |
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2012
- 2012-02-14 CN CN2012100321234A patent/CN102583758B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1657442A (en) * | 2005-02-05 | 2005-08-24 | 南京大学 | Method for purifying water of river and channel by biological grid |
| CN2839265Y (en) * | 2005-10-21 | 2006-11-22 | 山东大学 | Island grate integrated biological water purifier |
| CN202499786U (en) * | 2012-02-14 | 2012-10-24 | 河海大学 | Floating bed filter screen type biological grid |
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| CN102583758A (en) | 2012-07-18 |
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