CN104775499A - Storm runoff purification device of urban road - Google Patents
Storm runoff purification device of urban road Download PDFInfo
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- CN104775499A CN104775499A CN201510186833.6A CN201510186833A CN104775499A CN 104775499 A CN104775499 A CN 104775499A CN 201510186833 A CN201510186833 A CN 201510186833A CN 104775499 A CN104775499 A CN 104775499A
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Abstract
The invention discloses a storm runoff purification device of an urban road. The device is composed of three parts including a vertical flow well (2), an upper flow well (11) and a biological purification device (23), wherein the vertical flow well (2) is composed of a rainwater perforated strainer (1), an energy dissipation screen (3) and a sand hopper (4); the upper flow well (11) is composed of four parts including a clean water area (8), a filter layer (7), a water distribution area (6) and a two-phase separating area (5); the biological purification device (23) is composed of planted plants (14), a plant growth dielectric layer (15), a sand filter layer I (16), a sand filter layer II (17), a filter layer I (21), a filter layer II (18), a drainage layer (20), a drainage pipe (19) and a baffle (22), and the planted plants (14) are vetiver grasses. The storm runoff purification device mainly has the following advantages that the sand and nitrogen purification efficiency is high; the application is flexible, and the present situation of a pipe network is not influenced; while trapped sand is removed, back flush can be synchronously and automatically performed by the filter layer (7), so as to prevent the filter layer from being blocked.
Description
Technical field
This patent belongs to urban environment planning, environmental protection technical field, and the source/transmitting procedure being specifically related to urban road storm runoff silt particle controls.
Background technology
Urban storm runoff washes away the one of the main reasons that the city surface source pollution caused has become urban water-body water quality deterioration.Urban highway traffic load is large, floor space is many, the generation intensity of its non-point source pollution loading is waterproof underlying surface much larger than roofing, square etc., become urban storm runoff pollute main contributions body (Wang Shumin. Mountainous City pollution of area source spatial-temporal distribution characteristic research [D]. Chongqing: University Of Chongqing, 2012), simultaneously, research proves, solid forms is organic matter in urban road storm runoff, phosphorus, main occurrence patterns (the Wang Shumin of the pollutants such as heavy metal, He Qiang, Ai Hainan, Pan Weiliang, intelligence is pleased, Wang Jing. Mountainous City stormwater pollution characteristic and control way [J]. Environmental Engineering journal, 2012, 6 (5): 1445-1450.), dissolubility nitrogen is how strong the main occurrence patterns of nitrogen is (, Peng Shujuan, Wang Shumin, Wang Zhentao. different underlying surface rainfall runoff nitrogen occurrence patterns distribution character and control technology [J]. civil construction and Environmental Engineering, 2012, 34 (5): 147-153), therefore, strengthening urban road storm runoff purification efficiency is very necessary.For this situation, this patent proposes a kind of urban road storm runoff purifier, for the Sources controlling of urban road stormwater pollution provides foundation.
Summary of the invention
This patent, according to the water quality characteristic of urban road rainfall runoff, for the active demand of road storm runoff high-efficient purification, proposes a kind of urban road storm runoff purifier.This device desanding efficiency is high, and nitric efficiency is high, and application mode is flexible, has especially had further lifting to the removal efficiency of granule silt particle and nitrogen, extensively can be laid in the inlet for stom water bottom of urban road, realized the high-efficient purification on the spot of road storm runoff.
the technical scheme of patent of the present invention is as follows:
Urban road storm runoff purifier, it is characterized in that: described device forms by erecting stream well (2), upper reaches well (11) and biological purification plant (23) three part, be connected by bottom connecting hole (12) between perpendicular stream well (2) and upper reaches well (11), biological purification plant (23) is connected by stainless steel mesh (13) with upper reaches well (11); Stainless steel mesh (13) aperture 2mm, long 1.0 meters, high 0.3 meter, elevation of bottom is identical with filtration beds (7) top.
Urban road storm runoff purifier, is characterized in that: perpendicular stream well (2) dark 3.0 meters, and length and width are 1.0 meters; Dark 2.0 meters of upper reaches well (11), length and width are 1.0 meters; Upper reaches well (11) elevation of top is lower than (2) 0.5 meters, perpendicular stream well; Perpendicular stream well (2) sieves (3) by rain perforaled strainer (1), energy dissipating, sand hopper (4) forms, and wherein, dark 0.5 meter of sand hopper (4), four inclination angles, limit are 60 °, and sand position inductor (9) is installed at sand hopper (4) top, and submersible sewage pump (10) is installed in bottom.
Urban road storm runoff purifier, it is characterized in that: three layers of stainless steel mesh that energy dissipating sieve (3) is 45 °, inclination angle, vertical spacing 10cm between every layer of screen cloth, screen size reduces successively from top to bottom, first floor screen mesh is of a size of 10mm, second layer screen mesh is of a size of 5mm, and third layer screen mesh is of a size of 1mm; First floor screen cloth lower end is identical with connecting hole (12) elevation of top, and keeps 10cm horizontal range with connecting hole (12) top; Third layer screen cloth lower end is identical with connecting hole (12) elevation of bottom, and keeps 10cm horizontal range with connecting hole (12) bottom.
Urban road storm runoff purifier, is characterized in that: connecting hole (12) is connected with sand hopper (4) top, is high 20cm, the rectangular configuration of wide 1.0 meters.
Urban road storm runoff purifier, it is characterized in that: upper reaches well (11) is made up of clear water zone (8), filtration beds (7), water distributing area (6), two-phase laminated flow district (5) four part, and upper reaches well (11) bottom is the italic structure at 30 °, inclination angle, be connected with connecting hole (12) bottom bottom italic; Dark 0.5 meter of clear water zone (8); Dark 0.5 meter of filtration beds (7), is made up of the limestone of particle diameter 30mm; The dark 10cm in water distributing area (6); Dark 0.5 meter of two-phase laminated flow district (5), is made up of the stainless steel set square of 5 inclination layer 45 °.
Urban road storm runoff purifier, it is characterized in that: dark 0.6 meter of biological purification plant (23), long 3.0 meters, wide 1.0 meters, elevation of bottom is identical with two-phase laminated flow district (5) bottom, is made up of planting plants (14), plant growth medium layer (15), sand filter blanket I (16), sand filter blanket II (17), filtration beds I (21), filtration beds II (18), drainage blanket (20), gutter (19), baffle plate (22); Planting plants (14) is vetiver; Dark 0.2 meter of plant growth medium layer (15), long 3.0 meters, wide 1.0 meters, be made up of sand mixture, and sand volume ratio is 8:2; The pvc pipe that gutter (19) is DN300mm, and gutter (19) elevation of bottom is identical with the elevation of bottom of filtration beds (7); The PVC board that baffle plate (22) is thickness 10mm, wide 1.0 meters, dark 1.4 meters, and baffle plate (22) bottom is positioned at drainage blanket (20) crown center; Sand filter blanket I (16) and all dark 0.3 meter of sand filter blanket II (17), wide 1.0 meters, long 1.5 meters, be positioned at plant growth medium layer (15) bottom, be made up of the quartz sand of particle diameter 2-3mm; Filtration beds I (21) and all dark 0.9 meter of filtration beds II (18), wide 1.0 meters, long 1.5 meters, be positioned at sand filter blanket I (16) and sand filter blanket II (17) bottom, be made up of the gravel of particle diameter 5-8mm; Dark 0.2 meter of drainage blanket (20), long 3.0 meters, wide 1.0 meters, be made up of the gravel of particle diameter 15-20mm, be positioned at the bottom of biological purification plant (23).
The major advantage of this patent is as follows: (1), further increase silt particle arresting efficiency, especially improves the trapping effect of fine particle silt particle; (2), avoid because storm runoff is to the disturbance of bed mud and the shortcoming of washing away the silt particle arresting efficiency reduction caused; (3), can directly be arranged in below existing inlet for stom water, applying flexible, on present network situation without impact, reduced investment, and the convenient removing of the silt particle collected; (4), institute's supplementary set silt particle is removed while, filtration beds synchronously can carry out backwash automatically, avoids the blocking of filtration beds; (5), this device has higher nitric efficiency.
Accompanying drawing explanation
Fig. 1 is the generalized section of this device.
In figure: 1-rain perforaled strainer; 2-perpendicular stream well; 3-energy dissipating is sieved; 4-sand hopper; 5-two-phase laminated flow district; 6-water distributing area; 7-filtration beds; 8-clear water zone; 9-sand position inductor; 10-submersible sewage pump; 11-upper reaches well; 12-connecting hole; 13-stainless steel mesh; 14-planting plants; 15-plant growth medium layer; 16-sand filter blanket I; 17-sand filter blanket II; 18-filtration beds II; 19-gutter; 20-drainage blanket; 21-filtration beds I; 22-baffle plate; 23-biological purification plant.
Detailed description of the invention
See Fig. 1, this device forms by erecting stream well (2), upper reaches well (11) and biological purification plant (23) three part, be connected by bottom connecting hole (12) between perpendicular stream well (2) and upper reaches well (11), biological purification plant (23) is connected by stainless steel mesh (13) with upper reaches well (11); Stainless steel mesh (13) aperture 2mm, long 1.0 meters, high 0.3 meter, elevation of bottom is identical with filtration beds (7) top.Perpendicular stream well (2) dark 3.0 meters, length and width are 1.0 meters; Dark 2.0 meters of upper reaches well (11), length and width are 1.0 meters; Upper reaches well (11) elevation of top is lower than (2) 0.5 meters, perpendicular stream well.Perpendicular stream well (2) sieves (3) by rain perforaled strainer (1), energy dissipating, sand hopper (4) forms, and wherein, dark 0.5 meter of sand hopper (4), four inclination angles, limit are 60 °, and sand position inductor (9) is installed at sand hopper (4) top, and submersible sewage pump (10) is installed in bottom.Upper reaches well (11) is made up of clear water zone (8), filtration beds (7), water distributing area (6), two-phase laminated flow district (5) four part, and upper reaches well (11) bottom is the italic structure at 30 °, inclination angle, is connected bottom italic with connecting hole (12) bottom; Dark 0.5 meter of clear water zone (8); Dark 0.5 meter of filtration beds (7), is made up of the limestone of particle diameter 30mm; The dark 10cm in water distributing area (6); Dark 0.5 meter of two-phase laminated flow district (5), is made up of the stainless steel set square of 5 inclination layer 45 °.Dark 0.6 meter of biological purification plant (23), long 3.0 meters, wide 1.0 meters, elevation of bottom is identical with two-phase laminated flow district (5) bottom, is made up of planting plants (14), plant growth medium layer (15), sand filter blanket I (16), sand filter blanket II (17), filtration beds I (21), filtration beds II (18), drainage blanket (20), gutter (19), baffle plate (22); Planting plants (14) is vetiver; Dark 0.2 meter of plant growth medium layer (15), long 3.0 meters, wide 1.0 meters, be made up of sand mixture, and sand volume ratio is 8:2; The pvc pipe that gutter (19) is DN300mm, and gutter (19) elevation of bottom is identical with the elevation of bottom of filtration beds (7); The PVC board that baffle plate (22) is thickness 10mm, wide 1.0 meters, dark 1.4 meters, and baffle plate (22) bottom is positioned at drainage blanket (20) crown center; Sand filter blanket I (16) and all dark 0.3 meter of sand filter blanket II (17), wide 1.0 meters, long 1.5 meters, be positioned at plant growth medium layer (15) bottom, be made up of the quartz sand of particle diameter 2-3mm; Filtration beds I (21) and all dark 0.9 meter of filtration beds II (18), wide 1.0 meters, long 1.5 meters, be positioned at sand filter blanket I (16) and sand filter blanket II (17) bottom, be made up of the gravel of particle diameter 5-8mm; Dark 0.2 meter of drainage blanket (20), long 3.0 meters, wide 1.0 meters, be made up of the gravel of particle diameter 15-20mm, be positioned at the bottom of biological purification plant (23).
When rainy day, rainfall started, road storm runoff is dammed after thick object by rain perforaled strainer (1) and directly enters in described device, drop in energy dissipating sieve (3) through perpendicular stream well (2), due to the elastic reaction of energy dissipating sieve (3), cut down storm runoff kinetic energy, simultaneously, the particle that density is larger can sieve (3) surperficial landing to sand hopper (4) along energy dissipating, the sand grains that the comparatively large and grain diameter of density is less than 1mm then can penetrate energy dissipating sieve (3) and directly enter sand hopper (4) under the effect of inertia force.Storm runoff after usefulness enters upper reaches well (11) through connecting hole (12), first through two-phase laminated flow district (5), initial gross separation bulky grain silt particle, filtration beds (7) is entered after water distributing area (6) uniform water distribution, after filtering, water outlet flow to clear water zone (8), enter biological purification plant (23) through stainless steel mesh (13), when storm runoff is excessive, excessive storm runoff through clear water zone (8) overflow to drainage pipe.Enter the storm runoff of biological purification plant (23), flow through sand filter blanket I (16), filtration beds I (21) first downwards, arrive drainage blanket (20), then, be folded to upper reaches through filtering layer II (18), enter drainage pipe finally by gutter (19).Because the elevation of bottom of gutter (19) is higher than 0.6 meter, drainage blanket (20) bottom, in the flooding area that biological purification plant (23) bottom formation 0.6 meter is dark, and denitrification denitrogenation is carried out in this flooding area, carbon source needed for denitrification is provided by planting plants (14) root system.
After running a period of time, interface, sand position in sand hopper (4) raises gradually, when sand position inductor (9) senses that interface, sand position arrives setting absolute altitude, start submersible sewage pump (10), the silt particle dammed is discharged outside well, centralized collection process, simultaneously, discharge in sand hopper (4) dam silt particle time, the clear water in clear water zone (8) will carry out backwash automatically to filtration beds (7).
Claims (6)
1. urban road storm runoff purifier, it is characterized in that: described device forms by erecting stream well (2), upper reaches well (11) and biological purification plant (23) three part, be connected by bottom connecting hole (12) between perpendicular stream well (2) and upper reaches well (11), biological purification plant (23) is connected by stainless steel mesh (13) with upper reaches well (11); Stainless steel mesh (13) aperture 2mm, long 1.0 meters, high 0.3 meter, elevation of bottom is identical with filtration beds (7) top.
2. urban road storm runoff purifier, is characterized in that: perpendicular stream well (2) dark 3.0 meters, and length and width are 1.0 meters; Dark 2.0 meters of upper reaches well (11), length and width are 1.0 meters; Upper reaches well (11) elevation of top is lower than (2) 0.5 meters, perpendicular stream well; Perpendicular stream well (2) sieves (3) by rain perforaled strainer (1), energy dissipating, sand hopper (4) forms, and wherein, dark 0.5 meter of sand hopper (4), four inclination angles, limit are 60 °, and sand position inductor (9) is installed at sand hopper (4) top, and submersible sewage pump (10) is installed in bottom.
3. urban road storm runoff purifier, it is characterized in that: three layers of stainless steel mesh that energy dissipating sieve (3) is 45 °, inclination angle, vertical spacing 10cm between every layer of screen cloth, screen size reduces successively from top to bottom, first floor screen mesh is of a size of 10mm, second layer screen mesh is of a size of 5mm, and third layer screen mesh is of a size of 1mm; First floor screen cloth lower end is identical with connecting hole (12) elevation of top, and keeps 10cm horizontal range with connecting hole (12) top; Third layer screen cloth lower end is identical with connecting hole (12) elevation of bottom, and keeps 10cm horizontal range with connecting hole (12) bottom.
4. urban road storm runoff purifier, is characterized in that: connecting hole (12) is connected with sand hopper (4) top, is high 20cm, the rectangular configuration of wide 1.0 meters.
5. urban road storm runoff purifier, it is characterized in that: upper reaches well (11) is made up of clear water zone (8), filtration beds (7), water distributing area (6), two-phase laminated flow district (5) four part, and upper reaches well (11) bottom is the italic structure at 30 °, inclination angle, be connected with connecting hole (12) bottom bottom italic; Dark 0.5 meter of clear water zone (8); Dark 0.5 meter of filtration beds (7), is made up of the limestone of particle diameter 30mm; The dark 10cm in water distributing area (6); Dark 0.5 meter of two-phase laminated flow district (5), is made up of the stainless steel set square of 5 inclination layer 45 °.
6. urban road storm runoff purifier, it is characterized in that: dark 0.6 meter of biological purification plant (23), long 3.0 meters, wide 1.0 meters, elevation of bottom is identical with two-phase laminated flow district (5) bottom, is made up of planting plants (14), plant growth medium layer (15), sand filter blanket I (16), sand filter blanket II (17), filtration beds I (21), filtration beds II (18), drainage blanket (20), gutter (19), baffle plate (22); Planting plants (14) is vetiver; Dark 0.2 meter of plant growth medium layer (15), long 3.0 meters, wide 1.0 meters, be made up of sand mixture, and sand volume ratio is 8:2; The pvc pipe that gutter (19) is DN300mm, and gutter (19) elevation of bottom is identical with the elevation of bottom of filtration beds (7); The PVC board that baffle plate (22) is thickness 10mm, wide 1.0 meters, dark 1.4 meters, and baffle plate (22) bottom is positioned at drainage blanket (20) crown center; Sand filter blanket I (16) and all dark 0.3 meter of sand filter blanket II (17), wide 1.0 meters, long 1.5 meters, be positioned at plant growth medium layer (15) bottom, be made up of the quartz sand of particle diameter 2-3mm; Filtration beds I (21) and all dark 0.9 meter of filtration beds II (18), wide 1.0 meters, long 1.5 meters, be positioned at sand filter blanket I (16) and sand filter blanket II (17) bottom, be made up of the gravel of particle diameter 5-8mm; Dark 0.2 meter of drainage blanket (20), long 3.0 meters, wide 1.0 meters, be made up of the gravel of particle diameter 15-20mm, be positioned at the bottom of biological purification plant (23).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510186833.6A CN104775499B (en) | 2015-04-18 | 2015-04-18 | Urban road storm runoff purifier |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109629654A (en) * | 2018-12-26 | 2019-04-16 | 中冶南方工程技术有限公司 | A kind of pretreatment formula road rain water port system |
| CN110130461A (en) * | 2019-05-29 | 2019-08-16 | 合肥亿境景观建筑设计有限公司 | A kind of rain of Landscape Forest, the compensation supply and drain water system of water |
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| CN203939074U (en) * | 2014-05-16 | 2014-11-12 | 上海园林工程设计有限公司 | A kind of public lavatory ecological water saving device |
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Patent Citations (7)
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| JP3865304B2 (en) * | 2002-03-26 | 2007-01-10 | 日本碍子株式会社 | Rainwater treatment equipment |
| CN2627068Y (en) * | 2003-06-02 | 2004-07-21 | 中国科学院遗传与发育生物学研究所 | Mountain land rain-water collection and filter apparatus |
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Cited By (2)
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| CN109629654A (en) * | 2018-12-26 | 2019-04-16 | 中冶南方工程技术有限公司 | A kind of pretreatment formula road rain water port system |
| CN110130461A (en) * | 2019-05-29 | 2019-08-16 | 合肥亿境景观建筑设计有限公司 | A kind of rain of Landscape Forest, the compensation supply and drain water system of water |
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| CN104775499B (en) | 2017-05-31 |
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