CN204490677U - A kind of biological reinforced stereoscopic landscape artificial wet land system - Google Patents

A kind of biological reinforced stereoscopic landscape artificial wet land system Download PDF

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CN204490677U
CN204490677U CN201420829648.5U CN201420829648U CN204490677U CN 204490677 U CN204490677 U CN 204490677U CN 201420829648 U CN201420829648 U CN 201420829648U CN 204490677 U CN204490677 U CN 204490677U
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purifying
artificial swamp
biological
purifying layer
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周凌
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Zhejiang Urban & Rural Planning Design Institute
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Zhejiang Urban & Rural Planning Design Institute
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Abstract

The utility model discloses a kind of biological reinforced stereoscopic landscape artificial wet land system, be three-dimensional arrangement, comprise run-off, overflow weir, flow deflector, outlet canal, water pump, hydraulic pipe, purifying layer and grid; Purifying layer comprises artificial swamp and biological ball purifying area, and the number of plies of purifying layer is at least one deck; The side of purifying layer is provided with grid; Run-off is positioned at the top of three-dimensional arrangement, and water pump is connected with run-off by hydraulic pipe; Run-off side is provided with overflow weir, and the periphery of overflow weir is provided with flow deflector, and flow deflector is connected with lower one deck purifying layer; The purifying layer of the lowest layer is connected with outlet canal.The utility model integrates Constructed Wetland For Purifying, biological ball intensive treatment, drop water aeration, antiseepage function, visual sense of beauty, can multiple parallel connection or series operation, increase substantially the processing efficiency of artificial swamp, to a certain degree decrease the floor space of artificial swamp.The utility model can be widely used in the field such as the sanitary sewage disposal of vast Rural areas, the process of Sewage Plant Tailwater Depth.

Description

A kind of biological reinforced stereoscopic landscape artificial wet land system
Technical field
The utility model relates to artificial swamp field, specifically a kind of biological reinforced stereoscopic landscape artificial wet land system.
Background technology
Artificial wet land system water purification technology be grow up in the 70-80 age in 20th century a kind of novel dirt, waste water treatment process, be defined as the complex body be made up of saturated matrix, very water and submerged vegetation, animal and water body of engineer and construction.Current artificial swamp divides three kinds of forms: surface current artificial wetland (SFW), drowned flow artificial wet land (SFS) and vertical current constructed wetland (VCW), and wherein drowned flow artificial wet land is various countries' investigation and application type the most widely.
Artificial swamp has that investment is low, power consumption less, the feature such as buffer capacity is large, technique is simple, be at home and abroad widely used.Because the biological processes such as the absorption of plant adsorption process Zhong Gen district and microbiological deterioration all need dissolved oxygen, and current artificial swamp many employings planarized structure both domestic and external, sewage residence time in wetland is long, current are comparatively mild, root system of plant and filler long period of soaking be in water, cause artificial swamp matrix dissolved oxygen level low, limit the effect of wetland sewage disposal, add artificial swamp floor space.This shortcoming is one of bottleneck problem limiting the application of its Rapid Popularization.Artificial wetland treatment efficiency is low is the basic reason causing its floor space large, and the processing efficiency how improving artificial swamp is the key of dealing with problems.The method of current raising artificial wetland treatment efficiency is mainly by the optimum combination of artificial swamp mesostroma, waterplant, microorganism, auxiliary biological reinforced process, increase artificial aeration device etc., although the processing efficiency that improve artificial swamp in various degree, result is still not as people's will.The artificial wet land system of the free waterfall aeration that such as CN102126794A announces, be made up of stair-stepping multistage artificial swamp, utilize free drop water aeration oxygenation, to some extent solve aeration problem, but landform is required that higher and processing efficiency that is whole artificial swamp need to improve.The how processing efficiency of scientific and effective raising artificial swamp, thus solve artificial swamp floor space this bottleneck problem large, be that artificial swamp further develops problem demanding prompt solution.
Utility model content
The purpose of this utility model be to provide a kind of integrate Constructed Wetland For Purifying, biological ball intensive treatment, drop water aeration, antiseepage function, visual sense of beauty can effectively remove dirty Organic substance in water, nitrogen, phosphorus substance, significantly improve the biological reinforced stereoscopic landscape artificial wet land system of effluent quality.
For achieving the above object, the utility model provides following technical scheme:
A kind of biological reinforced stereoscopic landscape artificial wet land system, is three-dimensional arrangement, comprises run-off, overflow weir, flow deflector, outlet canal, water pump, hydraulic pipe, purifying layer and grid; Described purifying layer comprises artificial swamp and biological ball purifying area, and the number of plies of described purifying layer is at least one deck; The side of described purifying layer is provided with grid; Described run-off is positioned at the top of three-dimensional arrangement, and described water pump is connected with run-off by hydraulic pipe; Described run-off side is provided with overflow weir, and the periphery of described overflow weir is provided with flow deflector, and described flow deflector is connected with lower one deck purifying layer; The purifying layer of the lowest layer is connected with outlet canal.
As further program of the utility model: described artificial swamp comprises waterplant and artificial swamp matrix, described biological ball purifying area comprises biological ball.
As further program of the utility model: described biological ball purifying area is positioned at the periphery of artificial swamp.
As further program of the utility model: according to concrete influent quality and effluent quality requirement, arrange the purifying layer of the different number of plies and different size.
As further program of the utility model: need and topographical condition according to view, whole system is designed to the shapes such as circle, ellipse, rectangle, be preferably circular.
As further program of the utility model: when whole system is circular, the radius of described run-off and highly equal, the height of described overflow weir is 1/3rd of run-off height, and the length of described overflow weir is 1/4th of run-off girth; The width of described purifying layer is 2-4 times of run-off radius; Described artificial swamp is 1-2 with the width ratio of biological ball purifying area.
As further program of the utility model: the width of described artificial swamp is greater than 1 meter, and be 1-2 times of run-off radius, described artificial swamp is subsurface constructed wetland SFS, and selecting of concrete matrix and waterplant, determines according to existing Design of Constructed Wetland specification.
As further program of the utility model: described biological ball is made spherical polyolefin plastics skeleton by polyolefin plastics and formed with the soft cellulose filler being material with the fine synthetic fibre of hydroformylation, and its specific surface area scope is 2500-4000m 2/ m 3, density is 3.5-7kg/m 3, diameter is 5cm.
The working process of described biological reinforced stereoscopic landscape artificial wet land system is: sewage, after certain pre-treatment, by water pump lifting, is delivered to the run-off on three-dimensional arrangement top by hydraulic pipe; Sewage to be entered the artificial swamp in the first layer purifying layer by overflow weir in the mode of drop; After this layer of Constructed Wetland For Purifying, intensive treatment is carried out in the biological ball purifying area that sewage enters same layer; Sewage enters the artificial swamp of next purifying layer again in the mode of drop afterwards, reciprocal with this, finally enters outlet canal.
As further program of the utility model: the residence time of sewage is at least 30 minutes.
Compared with prior art, the beneficial effects of the utility model are:
(1) based on three-dimensional arrangement, effective combination of biological reinforced process and artificial swamp is achieved.Purifying layer of the present utility model comprises biological ball purifying area, artificial swamp two parts, and biological ball adds the quantity of the microorganism of whole system, improves the ability of the materials such as system organics removal, nitrogen, phosphorus, ensure that good effluent quality.
(2) based on three-dimensional arrangement, effective combination of drop water aeration and artificial swamp is achieved.Sewage enters lower one deck in the position of biological ball purifying area water outlet in drop mode, sewage is aeration oxygen replenishing in the process, aerobic, anoxic, anaerobism region is formed in the artificial swamp of next purifying layer, be conducive to the formation of the nitrification and denitrification condition of nitrogen, improve the removal ability of nitrogen, be conducive to organic removal in aerobic region simultaneously.
(3) based on three-dimensional arrangement, purifying layer adopts Steel Concrete to be building material, to reach certain requirement of strength, enhances artificial swamp seepage capability, decreases the pollution of sewage to underground water, reduce the antiseepage cost of artificial swamp simultaneously.
(4) treatment effect is good.This artificial wet land system can multiple parallel connection or series operation, and the pollution substances such as effective organics removal, nitrogen, phosphorus, effluent quality is good, has increased substantially the processing efficiency of artificial swamp, to a certain degree decreases the floor space of artificial swamp.
(5) based on three-dimensional arrangement, be aided with the waterplant of artificial swamp, enhance visual sense of beauty of the present utility model, improve Regional Landscape and be worth.
(6) to water quality, water yield change strong adaptability.If when influent quality pollution concentration is higher or effluent quality requires to improve, the progression of three-dimensional arrangement can be increased, if the sewage water yield increases more, can build multiple artificial wet land system with the form of serial or parallel connection to meet water yield requirement.
(7) applied range.Based on above advantage, this utility model can be widely used in the field such as the sanitary sewage disposal of vast Rural areas, the process of Sewage Plant Tailwater Depth.
Accompanying drawing explanation
Fig. 1 is a kind of solid signal and water (flow) direction figure of biological reinforced stereoscopic landscape artificial wet land system;
Fig. 2 is that overlooking of a kind of biological reinforced stereoscopic landscape artificial wet land system is illustrated and water (flow) direction figure;
Fig. 3 is a kind of front elevational schematic of biological reinforced stereoscopic landscape artificial wet land system;
Fig. 4 is a kind of overall cross-sectional view of biological reinforced stereoscopic landscape artificial wet land system;
Fig. 5 is a kind of local section structural representation of biological reinforced stereoscopic landscape artificial wet land system;
In figure: the biological ball purifying area of 1-run-off, 2-overflow weir, 3-flow deflector, 4-artificial swamp, 5-, 6-outlet canal, 7-water pump, 8-hydraulic pipe, the biological ball of 9-, 10-waterplant, 11-artificial swamp matrix, 12-purifying layer, 13-grid.
Embodiment
Below in conjunction with the utility model embodiment and accompanying drawing, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1-5, in the utility model embodiment, a kind of biological reinforced stereoscopic landscape artificial wet land system is three-dimensional arrangement, comprises run-off 1, overflow weir 2, flow deflector 3, outlet canal 6, water pump 7, hydraulic pipe 8, purifying layer 12 and grid 13; The number of plies of purifying layer 12 is at least one deck, and purifying layer 12 comprises artificial swamp 4 and biological ball purifying area 5, and wherein biological ball purifying area 5 is positioned at the periphery of artificial swamp 4; Artificial swamp 4 comprises waterplant 10 and artificial swamp matrix 11; Biological ball purifying area 5 comprises biological ball 9; The side of purifying layer 12 is provided with grid 13; Run-off 1 is positioned at the top of three-dimensional arrangement, and water pump 7 is connected with run-off 1 by hydraulic pipe 8; Run-off 2 side is provided with overflow weir 2, and the periphery of overflow weir 2 is provided with flow deflector 3, and flow deflector 3 is connected with lower one deck purifying layer 12; The purifying layer 12 of the lowest layer is connected with outlet canal 6.
Working process of the present utility model is: sewage, after certain pre-treatment, is promoted by water pump 7, is delivered to the run-off 1 on three-dimensional arrangement top by hydraulic pipe 8; Sewage to be entered the artificial swamp 4 in the first layer purifying layer 12 by run-off 1 in the mode of drop, drop water aeration easily forms aerobic, anoxic, anaerobism region in the artificial swamp 4 of next purifying layer 12, be conducive to the formation of the nitrification and denitrification condition of nitrogen, improve the removal ability of nitrogen, be conducive to organic removal in aerobic region simultaneously; After this layer of artificial swamp 4 purifies, intensive treatment is carried out in the biological ball purifying area 5 that sewage enters same layer, and the intensive treatment function of biological ball 9 further increases water body purification processing power; Sewage enters the artificial swamp 4 of next purifying layer 12 again in the mode of drop afterwards, reciprocal with this, finally enters outlet canal 6.Sewage repeatedly purifies through artificial swamp 4, biological ball purifying area 12 intensive treatment, and in water body, pollutent is effectively removed, and water quality significantly improves.This three-dimensional arrangement makes artificial swamp have good seepage capability, has stronger visual sense of beauty simultaneously, improves Regional Landscape and is worth.
The water conservancy residence time (HRT) of this artificial wet land system is at least 30 minutes.According to the water yield, influent quality and effluent quality requirement, multiple artificial wet land system can be built and carries out sewage disposal with the form of serial or parallel connection.
Described three-dimensional arrangement, formed with Reinforced Concrete Materials, require to arrange the different numbers of plies and size according to concrete influent quality and effluent quality, can also be designed to the shapes such as circle, ellipse, rectangle simultaneously according to view needs and topographical condition, this sentences circular is example.
Described run-off 1, for meeting the requirement of runoff investigation and aquifer yield, and needs attractive in appearance, require radius and highly equal (R=H), in run-off 1, overflow weir 2 is highly 1/3rd of run-off 1 height, and length is 1/4th of run-off 1 girth.
Described purifying layer 12, inner side is set to artificial swamp 4, and arranged outside is biological ball purifying area 5, and artificial swamp 4 and biological ball purifying area 5 width are than being 1-2; The width of purifying layer 12 is 2-4 times of run-off 1 radius.
Described artificial swamp 4, width is generally greater than 1 meter, and is 1-2 times of run-off 1 radius, and the type of artificial swamp 4 is subsurface constructed wetland (SFS), selecting of concrete artificial swamp matrix 11 and waterplant 10, determines according to existing Design of Constructed Wetland specification; For obtaining better landscape effect, different purifying layer 12 can select different waterplant 10 or waterplant 10 to combine.
In described biological ball purifying area 5, biological ball 9 is made spherical polyolefin plastics skeleton by polyolefin plastics and is formed with the soft cellulose filler being material with the fine synthetic fibre of hydroformylation, and its specific surface area scope is 2500-4000m 2/ m 3, density is 3.5-7kg/m 3, diameter is 5cm.Biological ball purifying area 5, after filling up biological ball 9, covers wire netting with fixed biologically ball 9 at the most last layer of biological ball 9.Grid 13 is set in biological ball purifying area 5 water outlet place, prevents biological ball 9 from entering next purifying layer 12.
Described water pump 1, hydraulic pipe 8, determine concrete model, caliber and tubing etc. according to current designs specification and design manual.
Embodiment
In southern Jiangsu, rural sewage treatment factory carries out pilot scale, and day output is 80 tons, and what this artificial wet land system adopted is three layers of circular three-dimensional arrangement, and concrete size is as follows: run-off 1 height is 0.5m, and radius is 0.5m, and overflow weir 2 is highly 0.35m.The width of purifying layer 12 is 2.0m, and the degree of depth is the degree of depth of 0.5m(artificial swamp 4 is 0.8m, and wherein the degree of depth of artificial swamp matrix 11 is 0.5m), the width of artificial swamp 4 and biological ball purifying area 5 is all 1.0m, and whole like this artificial wet land system takes up an area 150m 2, by existing artificial wetland treatment energy force evaluating, needed for the artificial swamp processing 80 tons of sanitary sewages day, land area is at 400m 2left and right, the utility model significantly reduces the floor space of artificial swamp as can be seen here.The artificial swamp matrix 11 of the utility model embodiment adopts soil, lime-ash and fine sand, and waterplant 10 selects Herba Eichhorniae, Scirpus tabernaemontani, Spiked Loosestrife, calamus.
Run 15 days under this example condition after, artificial wet land system reaches steady state, and Inlet and outlet water main contamination index concentration sees the following form 1, from the data in table, and the COD in sanitary sewage crclearance can reach 71.5%, TP, TN, NH 3the clearance of-N also can reach more than 60%; Effluent quality reaches " urban wastewater treatment firm pollutant emission standard " GB 18918---2002 first discharge standard.
Table 1 Inlet and outlet water water quality synopsis
Compared with prior art, the utility model has following characteristics:
(1) based on three-dimensional arrangement, effective combination of biological reinforced process and artificial swamp is achieved.Purifying layer 12 of the present utility model comprises biological ball purifying area 5, artificial swamp 4 two parts, and biological ball 9 adds the quantity of the microorganism of whole system, improves the ability of the materials such as system organics removal, nitrogen, phosphorus, ensure that good effluent quality.
(2) based on three-dimensional arrangement, effective combination of drop water aeration and artificial swamp is achieved.Sewage enters lower one deck in the position of biological ball purifying area 5 water outlet in drop mode, sewage is aeration oxygen replenishing in the process, aerobic, anoxic, anaerobism region is formed in the artificial swamp 4 of next purifying layer, be conducive to the formation of the nitrification and denitrification condition of nitrogen, improve the removal ability of nitrogen, be conducive to organic removal in aerobic region simultaneously.
(3) based on three-dimensional arrangement, purifying layer 12 adopts Steel Concrete to be building material, to reach certain requirement of strength, enhances the seepage capability of artificial swamp 4, decreases the pollution of sewage to underground water, reduces the antiseepage cost of artificial swamp 4 simultaneously.
(4) treatment effect is good.This artificial wet land system can multiple parallel connection or series operation, and the pollution substances such as effective organics removal, nitrogen, phosphorus, effluent quality is good, has increased substantially the processing efficiency of artificial swamp, to a certain degree decreases the floor space of artificial swamp 4.
(5) based on three-dimensional arrangement, be aided with the waterplant 10 of artificial swamp 4, enhance visual sense of beauty of the present utility model, improve Regional Landscape and be worth.
(6) to water quality, water yield change strong adaptability.If when influent quality pollution concentration is higher or effluent quality requires to improve, the progression of three-dimensional arrangement can be increased, if the sewage water yield increases more, can build multiple artificial wet land system with the form of serial or parallel connection to meet water yield requirement.
(7) applied range.Based on above advantage, this utility model can be widely used in the field such as the sanitary sewage disposal of vast Rural areas, the process of Sewage Plant Tailwater Depth.
To those skilled in the art, obvious the utility model is not limited to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present utility model or essential characteristic, can realize the utility model in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the utility model.
In addition, be to be understood that, although this specification sheets is described according to embodiment, but not each embodiment only comprises an independently technical scheme, this narrating mode of specification sheets is only for clarity sake, those skilled in the art should by specification sheets integrally, and the technical scheme in each embodiment also through appropriately combined, can form other embodiments that it will be appreciated by those skilled in the art that.

Claims (5)

1. a biological reinforced stereoscopic landscape artificial wet land system, it is characterized in that, for three-dimensional arrangement, comprise run-off (1), overflow weir (2), flow deflector (3), outlet canal (6), water pump (7), hydraulic pipe (8), purifying layer (12) and grid (13); Described purifying layer (12) comprises artificial swamp (4) and biological ball purifying area (5), and the number of plies of described purifying layer (12) is at least one deck; The side of described purifying layer (12) is provided with grid (13); Described run-off (1) is positioned at the top of three-dimensional arrangement, and described water pump (7) is connected with run-off (1) by hydraulic pipe (8); Described run-off (2) side is provided with overflow weir (2), and the periphery of described overflow weir (2) is provided with flow deflector (3), and described flow deflector (3) is connected with lower one deck purifying layer (12); The purifying layer (12) of the lowest layer is connected with outlet canal (6).
2. biological reinforced stereoscopic landscape artificial wet land system according to claim 1, is characterized in that, described artificial swamp (4) comprises waterplant (10) and artificial swamp matrix (11), and described biological ball purifying area (5) comprises biological ball (9).
3. biological reinforced stereoscopic landscape artificial wet land system according to claim 1, is characterized in that, described biological ball purifying area (5) is positioned at the periphery of artificial swamp (4).
4. biological reinforced stereoscopic landscape artificial wet land system according to claim 1, it is characterized in that, when whole system is circular, the radius of described run-off (1) and highly equal, the height of described overflow weir (2) is 1/3rd of run-off (1) height, and the length of described overflow weir (2) is 1/4th of run-off (1) girth; The width of described purifying layer (12) is 2-4 times of run-off (1) radius; Described artificial swamp (4) is 1-2 with the width ratio of biological ball purifying area (5).
5. biological reinforced stereoscopic landscape artificial wet land system according to claim 2, it is characterized in that, described biological ball (9) is made spherical polyolefin plastics skeleton by polyolefin plastics and is formed with the soft cellulose filler being material with the fine synthetic fibre of hydroformylation, and its specific surface area scope is 2500-4000m 2/ m 3, density is 3.5-7kg/m 3, diameter is 5cm.
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104496125A (en) * 2014-12-24 2015-04-08 浙江省城乡规划设计研究院 Biologically enhanced three-dimensional landscape artificial wetland system
CN105000672A (en) * 2015-09-02 2015-10-28 嘉诚环保工程有限公司 Drop radial flow type surface flow constructed wetland
CN105735689A (en) * 2016-05-11 2016-07-06 广东中强环保设备工程有限公司 Landscape garden type sewage plant
CN109987790A (en) * 2019-03-29 2019-07-09 河海大学 A kind of Tiny ecosystem filter bed

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104496125A (en) * 2014-12-24 2015-04-08 浙江省城乡规划设计研究院 Biologically enhanced three-dimensional landscape artificial wetland system
CN104496125B (en) * 2014-12-24 2016-05-11 浙江省城乡规划设计研究院 A kind of biological reinforced stereoscopic landscape artificial wet land system
CN105000672A (en) * 2015-09-02 2015-10-28 嘉诚环保工程有限公司 Drop radial flow type surface flow constructed wetland
CN105735689A (en) * 2016-05-11 2016-07-06 广东中强环保设备工程有限公司 Landscape garden type sewage plant
CN109987790A (en) * 2019-03-29 2019-07-09 河海大学 A kind of Tiny ecosystem filter bed

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