CN205575779U - Prevent wetland structure of stifled denitrogenation - Google Patents
Prevent wetland structure of stifled denitrogenation Download PDFInfo
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- CN205575779U CN205575779U CN201620350970.9U CN201620350970U CN205575779U CN 205575779 U CN205575779 U CN 205575779U CN 201620350970 U CN201620350970 U CN 201620350970U CN 205575779 U CN205575779 U CN 205575779U
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- treatment region
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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 utility model discloses a prevent wetland structure of stifled denitrogenation through the reasonable innovation of constructed wetland structure, divide into the wetland and rises stream treatment region and whirl treatment region, and behind the abundant place to go infusibility pollutant of whirl treatment region, reentrant liter flows the treatment region and carries out further processing, has effectively prevented the jam condition that too much forms because of the less infusibility pollutant in space between packing in the wetland, simultaneously, through rationally laying backflow pipeline, utilize the sewage raw water as the power supply of backward flow and anti - nitration's carbon source, carry out the denitrogenation and handle, under the condition that does not increase the running cost, use water quality of water and can improve.
Description
Technical field
This utility model belongs to Artificial Wetland Techniques field, is specifically related to the wetland structure of a kind of anti-blocking denitrogenation.
Background technology
Artificial swamp is the natural sewage treatmentmethod after a kind of artificial-strengthening, mainly utilize the Filtration Adsorption of substrate in wetland, absorption and the Degradation of pollutant are removed the various pollutant in water by microorganism and wetland plant, there is energy consumption low, environmental protection, the features such as high treating effect, in some scattered settlements of China or area, villages and small towns, process its life production waste the most by means of which.
China has made many research in terms of improvement artificial swamp, as Chinese patent " CN201520455468 " discloses a kind of artificial marsh sewage treatment system, is serially connected the clear water tanks of connection including at least two, and clear water tanks includes casing and planting groove；Casing includes square framework；It is provided with some horizontal strokes, vertical connecting rods between two longitudinal and transverse plates of square framework；Planting groove includes open-topped container body and convex annular edge；The container body of each planting groove is all plugged in square spliced eye, and the convex annular of each planting groove is along being all overlapped on the edge of corresponding square spliced eye.This utility model has the advantage of simple in construction, easy accessibility, and the maintenance operability making marsh sewage treatment system is higher；And for example Chinese patent " CN201520393405 " discloses a kind of unpowered ecological wastewater treatment system, sewage collects entrance artificial swamp by after urban households' anaerobic tank, by cloth tank even into Primary plateaus drowned flow artificial wet land, enter secondary table artificial wetland afterwards, subsequently into swag or river, plant on swag or river side slope Herba Typhae or downgrade phragmites communis, in water arrange artificial ecological floating island.This utility model utilizes the original swag in rural area and river, largely reduces construction cost；Without specialty operational management, only needing periodic cleaning, reduce the operating cost of maintaining expense and equipment, Afforestation Landscape is effective.
But, existing artificial wet land treating system still suffers from some problems, a lot of artificial swamp front ends are inadequate to the insoluble pollutant removal degree in sewage, cause the problem that rear end occurs blocking often, have impact on the properly functioning of artificial swamp, it addition, a lot of Nitrogen Removal Effect in Constructed Wetland is inconspicuous, cause sewage water outlet nitrogen content high, easily cause the situations such as natural water eutrophication.
Utility model content
In order to overcome the deficiency of art methods, the purpose of this utility model is to propose the wetland structure of a kind of anti-blocking denitrogenation, the this utility model reasonable innovation by artificial swamp structure, wetland is divided into up-flow treatment region and eddy flow treatment region, after the insoluble pollutant in the abundant place to go of eddy flow treatment region, enter back into up-flow treatment region to be further processed, it is possible to effectively prevent the stopping state too much formed in wetland because of the less and insoluble pollutant in space between filler；Meanwhile, by Reasonable Arrangement reflux line, utilize the former water of sewage as the power source refluxed and the carbon source of anti-nitration reaction, carry out denitrogenation processing, make effluent quality be improved in the case of not increasing operating cost.
For reaching above-mentioned purpose, the technical solution adopted in the utility model is: the wetland structure of a kind of anti-blocking denitrogenation, and including up-flow treatment region and eddy flow treatment region, eddy flow treatment region is looped around around described up-flow treatment region；
Described up-flow treatment region is hollow circular cylinder, loads Wetland Substrate and plant wetland plant in described up-flow treatment region；Being equipped with water distributor below described up-flow treatment region, described water distributor water inlet end connects described eddy flow treatment region；Arrange return duct on described up-flow treatment region top, described return duct connects described eddy flow treatment region top；The top of described up-flow treatment region is additionally provided with outlet pipe, described return duct and outlet pipe is provided with and controls valve accordingly；Described return duct is arranged at more than below design water level and Wetland Substrate, and the absolute altitude of described outlet pipe is on return duct and maintains an equal level or higher than design water level；
Described eddy flow treatment region lateral cross section is annular, and eddy flow treatment region longitudinal cross-section is inverted-triangular or right-angled trapezium；Eddy flow treatment region filler is loaded in described eddy flow treatment region；Being provided with water inlet pipe on the sidewall of described eddy flow treatment region, be vertically arranged with traffic organising partition wall inside described eddy flow treatment region, described water inlet pipe and return duct are located at the positive side of described partition wall；The outlet of water inlet pipe should just lower section to described return duct outlet；The bottom of described eddy flow treatment region is provided with discharge pipeline, and described discharge pipeline and water distributor are positioned at the dorsal part of described partition wall.
Further, plant wetland plant above described up-flow treatment region and be open in air；The described a diameter of 3-10m of up-flow treatment region, Wetland Design water level is 1.0-2.5m, and total dischargeable capacity is 7-200m3；Described up-flow processes the Wetland Substrate of interval filling and includes that cobble, gravel and soil, the particle diameter of described Wetland Substrate are 0.1-5cm, and described Wetland Substrate is homogenizing substrate or classification assembling.
It is further, described return duct caliber is 50-150mm, described return duct water inlet setting height(from bottom) should on Wetland Substrate and under Wetland Design water level 2-3cm, return valve is installed on return duct, return duct outlet is positioned at above eddy flow treatment region water inlet pipe water outlet, and return duct outlet direction should be vertically downward.
Further, described outlet pipe is positioned at above up-flow treatment region, and caliber is less than return duct, and caliber is 40-100mm, is provided with flowing water Valve on described outlet pipe.
Further, described eddy flow treatment region height is 0.3-1.0m, and the inverted-triangular of described eddy flow treatment region or the hypotenuse inclination angle of right-angled trapezium are 45-75o, eddy flow treatment region volume is 1:6-1:3 with up-flow treatment region volumetric ratio；Eddy flow treatment region filler uses gravel or cobble.
Further, described water distributor water inlet is positioned at the top of eddy flow treatment region end, and the caliber of water distributor is 40-120mm, is evenly arranged with the apopore of aperture 10-20mm on described water distributor.
Further, described water inlet pipe is tangentially intake along eddy flow direction, and caliber is 50-150mm, is provided with inlet valve on described water inlet pipe.
Further, the caliber of described discharge pipeline is 50-200mm, is provided with spoil disposal valve on described discharge pipeline.
Further, at described eddy flow treatment region top and the horizontal offside corresponding to return duct, it is provided with biogas mozzle.
The beneficial effect of employing the technical program:
In this utility model, the hydrodynamics of eddy flow treatment region and structure design make the insoluble pollutant in sewage be more easy to be dammed, thus decrease sewage and bring the particulate pollutant of later stage up-flow treatment region into, effectively prevent the generation of stopping state.
In this utility model, take full advantage of the design of reflux line, make sewage repeatedly experienced by anaerobism/oxygen/aerobic multiple processes of holding concurrently, and to take full advantage of into the carbon source in water be that anti-nitration reaction provides good condition, the nitric efficiency making system is higher, and effluent quality is more preferable.
In this utility model, eddy flow treatment region and up-flow treatment region all avoid the obvious flow blind angle of appearance by the design of rational structure, and in whole system, fluidised form is preferable, and the volume of device utilizes height.
In this utility model, designed by corresponding structure, take full advantage of the power driving force as circulation of wastewater influent, prevent the situation of blocking, the power making drainage flow need is less, thus decrease the energy consumption of whole system, and the convenient operation and management of whole system, the low cost that operation maintenance need to put into.
Accompanying drawing explanation
Fig. 1 is the cross-sectional view of the wetland structure of a kind of anti-blocking denitrogenation of the present utility model；
Fig. 2 is the top view of the wetland structure of a kind of anti-blocking denitrogenation of the present utility model；
Fig. 3 is reflux cycle schematic diagram of the present utility model；
Wherein, 1 is up-flow treatment region, and 2 is eddy flow treatment region, and 3 is water inlet pipe, 4 is inlet valve, and 5 is outlet pipe, and 6 is flowing water Valve, and 7 is discharge pipeline, 8 is spoil disposal valve, and 9 is return duct, and 10 is return valve, and 11 is water distributor, 12 is eddy flow treatment region filler, and 13 is Wetland Substrate, and 14 is to flow to into water, 15 is that eddy flow treatment region flows to, and 16 is cloth current direction, and 17 is that backflow flows to, 18 is current direction, and 19 is partition wall, and 20 is biogas mozzle.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with the accompanying drawings this utility model is further elaborated.
Embodiment one, as depicted in figs. 1 and 2, the wetland structure of a kind of anti-blocking denitrogenation, including up-flow treatment region 1 and eddy flow treatment region 2, eddy flow treatment region 2 is looped around around described up-flow treatment region 1；
Described up-flow treatment region 1 is hollow circular cylinder, loads Wetland Substrate 13 and plant wetland plant in described up-flow treatment region 1；Being equipped with water distributor 11 below described up-flow treatment region 1, described water distributor 11 water inlet end connects described eddy flow treatment region 2；Arranging return duct 9 on described up-flow treatment region 1 top, described return duct 9 connects described eddy flow treatment region 2 top；The top of described up-flow treatment region 1 is additionally provided with outlet pipe 5, described return duct 9 and outlet pipe 5 is provided with and controls valve accordingly；Described return duct 9 is arranged at below design water level and Wetland Substrate more than 13, and the absolute altitude of described outlet pipe 5 is on return duct 9 and maintains an equal level or higher than design water level；
Described eddy flow treatment region 2 lateral cross section is annular, and eddy flow treatment region 2 longitudinal cross-section is inverted-triangular or right-angled trapezium；Eddy flow treatment region filler 12 is loaded in described eddy flow treatment region 2；Being provided with water inlet pipe 3 on the sidewall of described eddy flow treatment region 2, be vertically arranged with traffic organising partition wall 19 inside described eddy flow treatment region 2, described water inlet pipe 3 and return duct 9 are located at the positive side of described partition wall 19；The outlet of water inlet pipe 3 should just lower section to described return duct 9 outlet；Be provided with discharge pipeline 7 in the bottom of described eddy flow treatment region 2, described discharge pipeline 7 and water distributor 11 are positioned at the dorsal part of described partition wall 19.
Embodiment two, on the basis of embodiment one, plants wetland plant and is open in air above described up-flow treatment region 1；The described a diameter of 3-10m of up-flow treatment region 1, Wetland Design water level is 1.0-2.5m, and total dischargeable capacity is 7-200m3；Between described up-flow treatment region 1, the Wetland Substrate 13 of filling includes that cobble, gravel and soil, the particle diameter of described Wetland Substrate 13 are 0.1-5cm, and described Wetland Substrate 13 is homogenizing substrate or classification assembling.
Described return duct 9 caliber is 50-150mm, described return duct 9 water inlet setting height(from bottom) should on Wetland Substrate 13 and under Wetland Design water level 2-3cm, return valve 10 is installed on return duct 9, return duct 9 outlet is positioned at above eddy flow treatment region 2 water inlet pipe 3 water outlet, and return duct 9 outlet direction should be vertically downward.
Described outlet pipe 5 is positioned at above up-flow treatment region 1, and caliber is less than return duct 9, and caliber is 40-100mm, is provided with flowing water Valve 6 on described outlet pipe 5.
Embodiment three, on the basis of embodiment one, described eddy flow treatment region 2 height is 0.3-1.0m, and the described inverted-triangular of eddy flow treatment region (2) or the hypotenuse inclination angle of right-angled trapezium are 45-75o, eddy flow treatment region 2 volume is 1:6-1:3 with up-flow treatment region 1 volumetric ratio；Eddy flow treatment region 2 loads filler and uses gravel or cobble.
Described water distributor 11 water inlet is positioned at the top of eddy flow treatment region 2 end, and the caliber of water distributor 11 is 40-120mm, is evenly arranged with the apopore of aperture 10-20mm on described water distributor 11, and described apopore is covered with whole up-flow treatment region 1 in the plane.
Described water inlet pipe 3 is tangentially intake along eddy flow direction, and caliber is 50-150mm, is provided with inlet valve 4 on described water inlet pipe 3.
The caliber of described discharge pipeline 7 is 50-200mm, is provided with spoil disposal valve 8 on described discharge pipeline 7.
It is provided with biogas mozzle 20 at the top of described eddy flow treatment region 2 and the horizontal offside corresponding to return duct 9.
Embodiment four, on the basis of embodiment two, described eddy flow treatment region 2 height is 0.3-1.0m, and hypotenuse mounted angle is 45-75o, eddy flow treatment region 2 volume is 1:6-1:3 with up-flow treatment region 1 volumetric ratio；Eddy flow treatment region filler 12 uses gravel or cobble.
Described water distributor 11 water inlet is positioned at the top of eddy flow treatment region 2 end, the caliber of water distributor 11 is 40-120mm, it is distributed in below up-flow treatment region 1 at the water outlet of described water distributor 11, being provided with the apopore of aperture 10-20mm on described water distributor 11, described apopore is covered with whole up-flow treatment region 1 in the plane.
Described water inlet pipe 3 is tangentially intake along eddy flow direction, and caliber is 50-150mm, is provided with inlet valve 4 on described water inlet pipe 3.
Described discharge pipeline 7 is arranged on the bottom of eddy flow treatment region 2, and caliber is 50-200mm, is provided with spoil disposal valve 8 on described discharge pipeline 7.
It is provided with biogas mozzle 20 at the top of described eddy flow treatment region 2 and the offside of return duct 9.
Embodiment five, for a kind of preferred embodiment of the present utility model:
Described up-flow treatment region 1 is set to 5m for diameter, and Wetland Design water level is 2m, and total dischargeable capacity is 40m3；Using cobble as Wetland Substrate 13, below up-flow treatment region 1, cobble particle diameter is 3cm, and above up-flow treatment region 1, cobble particle diameter is 1cm；Return duct 9 caliber is 60mm, is arranged on below design water level 3cm；Outlet pipe 5 caliber is 40mm, is arranged on above up-flow treatment region 1.
Described eddy flow treatment region 2 height is 0.5m, and its hypotenuse mounted angle is 45o, described eddy flow treatment region 2 is about 1:5 with up-flow treatment region 1 volumetric ratio, and installs partition wall 19；Described cloth flow tube caliber is 50mm, arranges the apopore of 10mm in cloth flow tube；Water inlet pipe 3 caliber is 60mm；Discharge pipeline 7 is arranged on the bottom of opposite side in eddy flow treatment region 2, and its caliber is 60mm, and installs spoil disposal valve 8.
In order to be better understood from this utility model, below to the description that operation principle of the present utility model work is the most complete:
Sewage is entered eddy flow treatment region 2 by water inlet pipe 3；Sewage carries out rotational flow at eddy flow treatment region 2, removes solid contaminant；The sewage removing solid contaminant enters up-flow treatment region 1, purifies sewage through up-flow treatment region 1；Enter above up-flow treatment region 1 after purification and air contact, by air reoxygenation, carry out nitration reaction with the microorganism in water, be nitrate nitrogen by the nitrogen transformation in water；After reoxygenation and nitration reaction complete, sewage back flows back into eddy flow treatment region 2 by return duct 9, flows to as shown in Figure 3；Water inlet pipe 3 eddy flow power carries recirculation water and flows at eddy flow treatment region 2, and recirculation water carries out anti-nitration reaction at eddy flow treatment region 2 and removes the nitrogen in sewage, and the gas of generation discharges from biogas mozzle 20；Sewage, after multi-reflow circulates, discharges from outlet pipe 5.
Of the present utility model ultimate principle and principal character and of the present utility model advantage have more than been shown and described.Skilled person will appreciate that of the industry; this utility model is not restricted to the described embodiments; described in above-described embodiment and description, principle of the present utility model is simply described; on the premise of without departing from this utility model spirit and scope; this utility model also has various changes and modifications, in the range of these changes and improvements both fall within claimed this utility model.This reality utility model claims scope and is defined by appending claims and equivalent thereof.
Claims (9)
1. the wetland structure of an anti-blocking denitrogenation, it is characterised in that include flowing up treatment region (1) and eddy flow treatment region (2), eddy flow treatment region (2) is looped around described up-flow treatment region (1) around；
Described up-flow treatment region (1) is hollow circular cylinder, loads Wetland Substrate (13) and plant wetland plant in described up-flow treatment region (1)；Being equipped with water distributor (11) in described up-flow treatment region (1) lower section, described water distributor (11) water inlet end connects described eddy flow treatment region (2)；Arranging return duct (9) on described up-flow treatment region (1) top, described return duct (9) connects described eddy flow treatment region (2) top；The top of described up-flow treatment region (1) is additionally provided with on outlet pipe (5), described return duct (9) and outlet pipe (5) to be provided with and controls valve accordingly；Described return duct (9) is arranged at more than below design water level and Wetland Substrate (13), and the absolute altitude of described outlet pipe (5) is on return duct (9) and maintains an equal level or higher than design water level；
Described eddy flow treatment region (2) lateral cross section is annular, and eddy flow treatment region (2) longitudinal cross-section is inverted-triangular or right-angled trapezium；Eddy flow treatment region filler (12) is loaded in described eddy flow treatment region (2)；The sidewall of described eddy flow treatment region (2) is provided with water inlet pipe (3), it is vertically arranged with traffic organising partition wall (19), described water inlet pipe (3) and return duct (9) in described eddy flow treatment region (2) inside and is located at the positive side of described partition wall (19)；The outlet of water inlet pipe (3) should just lower section to described return duct (9) outlet；The bottom of described eddy flow treatment region (2) is provided with discharge pipeline (7), described discharge pipeline (7) and water distributor (11) and is positioned at the dorsal part of described partition wall (19).
The wetland structure of a kind of anti-blocking denitrogenation the most according to claim 1, it is characterised in that described up-flow treatment region (1) top is planted wetland plant and is open in air；The a diameter of 3-10m of described up-flow treatment region (1), Wetland Design water level is 1.0-2.5m, and total dischargeable capacity is 7-200m3；Between described up-flow treatment region (1), the Wetland Substrate (13) of filling includes cobble, gravel and soil, the particle diameter of described Wetland Substrate (13) is 0.1-5cm, and described Wetland Substrate (13) is homogenizing substrate or classification assembling.
The wetland structure of a kind of anti-blocking denitrogenation the most according to claim 2, it is characterized in that, described return duct (9) caliber is 50-150mm, described return duct (9) water inlet setting height(from bottom) should on Wetland Substrate (13) and under Wetland Design water level 2-3cm, return valve (10), return duct (9) are installed on return duct (9)
Outlet is positioned at above eddy flow treatment region (2) water inlet pipe (3) water outlet, and return duct (9) outlet direction should be vertically downward.
The wetland structure of a kind of anti-blocking denitrogenation the most according to claim 3, it is characterized in that, described outlet pipe (5) is positioned at up-flow treatment region (1) top, caliber is less than return duct (9), caliber is 40-100mm, is provided with flowing water Valve (6) on described outlet pipe (5).
5. according to the wetland structure of a kind of anti-blocking denitrogenation described in claim 1 or 4, it is characterized in that, described eddy flow treatment region (2) height is 0.3-1.0m, and the described inverted-triangular of eddy flow treatment region (2) or the hypotenuse inclination angle of right-angled trapezium are 45-75o, eddy flow treatment region (2) volume is 1:6-1:3 with up-flow treatment region (1) volumetric ratio；Eddy flow treatment region filler (12) uses gravel or cobble.
The wetland structure of a kind of anti-blocking denitrogenation the most according to claim 5, it is characterized in that, described water distributor (11) water inlet is positioned at the top of eddy flow treatment region (2) end, the caliber of water distributor (11) is 40-120mm, is evenly arranged with the apopore of aperture 10-20mm on described water distributor (11).
The wetland structure of a kind of anti-blocking denitrogenation the most according to claim 6, it is characterized in that, described water inlet pipe (3) is tangentially intake along eddy flow direction, and caliber is 50-150mm, is provided with inlet valve (4) on described water inlet pipe (3).
The wetland structure of a kind of anti-blocking denitrogenation the most according to claim 7, it is characterised in that the caliber of described discharge pipeline (7) is 50-200mm, is provided with spoil disposal valve (8) on described discharge pipeline (7).
The wetland structure of a kind of anti-blocking denitrogenation the most according to claim 8, it is characterised in that be provided with biogas mozzle (20) at the top of described eddy flow treatment region (2) and the horizontal offside corresponding to return duct (9).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620350970.9U CN205575779U (en) | 2016-04-25 | 2016-04-25 | Prevent wetland structure of stifled denitrogenation |
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| CN201620350970.9U CN205575779U (en) | 2016-04-25 | 2016-04-25 | Prevent wetland structure of stifled denitrogenation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105753165A (en) * | 2016-04-25 | 2016-07-13 | 农业部沼气科学研究所 | Anti-blocking denitrification wetland structure and treatment method thereof |
-
2016
- 2016-04-25 CN CN201620350970.9U patent/CN205575779U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105753165A (en) * | 2016-04-25 | 2016-07-13 | 农业部沼气科学研究所 | Anti-blocking denitrification wetland structure and treatment method thereof |
| CN105753165B (en) * | 2016-04-25 | 2018-06-08 | 农业部沼气科学研究所 | A kind of wetland structure and its processing method of anti-blocking denitrogenation |
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