CN101891350B - Overflowing rain sewage on-site elimination stepped ecological sewage control structure - Google Patents
Overflowing rain sewage on-site elimination stepped ecological sewage control structure Download PDFInfo
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- CN101891350B CN101891350B CN2010102327715A CN201010232771A CN101891350B CN 101891350 B CN101891350 B CN 101891350B CN 2010102327715 A CN2010102327715 A CN 2010102327715A CN 201010232771 A CN201010232771 A CN 201010232771A CN 101891350 B CN101891350 B CN 101891350B
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Abstract
The invention discloses an overflowing rain sewage on-site elimination stepped ecological sewage control structure, which is a shore type structure and is provided with a cascade ecological treatment and purification system. In the overflowing rain sewage on-site elimination stepped ecological sewage control structure, connecting structures are built by using water permeable bricks in a certain proportion; and a water uniform distribution supporting layer, biological interception and absorption packing, biological filtering packing, a vegetable substrate layer and a triangular-notch weir are arranged between an overflowing rain sewage incoming place and an outgoing place. The structure of the invention overcome the drawbacks of large floor area, high medicament consumption and high energy cost and the like of the conventional overflowing rain sewage on-site treatment facilities. The structure of the invention is simple, low in construction cost, free from operating power and convenient to operate and maintain, can be used all the year round, offers desirable sewage control effect and can be used in water environmental pollution control ecological projects.
Description
Technical field
The present invention relates to the sewage on-site elimination stepped ecological sewage control structure of water environment pollution control, particularly the ecological pollution control structure of overflow rain sewage on-site elimination.
Background technology
Before the present invention's invention; Existing technology that purifies overflow rain sewage on the spot and device or facility have had much; Special in the tangible overflow rain of first wall effect sewage; Adopt storage pond to store the initial stage overflowing rain water, the discharging of dosing coagulant post precipitation is perhaps sent it into sewage work and is handled when dry season, reaches the purpose of control overflow rain sewage pollution.
But above-mentioned facility generally is made up of a plurality of structure divisions has increased floor space, because many city river surrounding spaces are limited, is unfavorable for overflow rain sewage intensification processing.Simultaneously coagulation process needs medicament, system such as coagulating agent to rely on the electric energy operation all to increase the purification cost, and the more complicated cost of structure is higher because this type of device belongs to pure engineering measure, not and surrounding environment effectively merge, view Harmony is relatively poor.
Summary of the invention
The object of the invention just is to overcome above-mentioned defective; For the pollution load of cutting down overflow rain sewage middle and high concentration realizes that water quality purifies on the spot; Solve the restriction bottleneck of the ecological pollution control of overflow rain sewage on-site elimination, proposed overflow rain sewage on-site elimination stepped ecological sewage control structure.
The technical solution adopted for the present invention to solve the technical problems is:
Overflow rain sewage on-site elimination stepped ecological sewage control structure is the shore type structure; Said overflow rain sewage on-site elimination stepped ecological sewage control structure is provided with the stepped ecological treatment and purification system, utilizes permeable brick to make up between each stepped system and is connected, and it accounts for and connects wall area 30%-40%; Overflow rain sewage on-site elimination stepped ecological sewage control structure is made up of two-stage; First step bottom is provided with the water distribution uniformity supporting layer, and the supporting layer top is stacked biological interception adsorption stuffing at random, is covered with the plant substrates layer in first step structural top; Fill out successively according to particle diameter order from small to large in the second stage and put gravel and bamboo charcoal sheet, at different levels between water outlet place V-notch weir is set.
The water distribution uniformity supporting layer of described structure setting is gallery and Steel Concrete bar seam plate;
Described biological interception adsorption stuffing is the bamboo charcoal tube of hollow;
The gravel that described eco-filtration filler is a different gradation, bamboo charcoal sheet etc.;
The body structure surface that described plant substrates layer is Vilaterm web plate, soil, plant constituted.
The invention advantage
Compare with existing treatment technology; Advantage of the present invention and effect are through overflow rain sewage on-site elimination stepped ecological sewage control structure; Effectively utilize riser, the river course useful space on every side, the stepped ecological trash block system has been set, solved the bigger defective of overflow sewage processing structures occupation of land in the past; Utilize elevation to realize that unpowered self-purging cut down energy consumption; Bamboo charcoal tube filler, eco-filtration filler in the placed in-line stepped system can not only effectively be cut down SS concentration, simultaneously for creating conditions nutritive salt pollutents such as the nitrogen in the reduction overflow rain sewage, phosphorus stable the adhering to of mikrobe.The plantation plant can not only be beautified the environment and can be strengthened the purification of trash block system to overflow rain sewage on system surfaces, system connect the permeable brick that uses can be when dry season in the maintenance system water route unobstructed, keep the microbial survival in the ecological trash block system.
And of the present invention simple in structure, construction cost is low, and attended operation is convenient, unpowered operation, can use all the year round, pollution treatment is effective.
Description of drawings
Fig. 1 is the synoptic diagram of shore type structure of the present invention
Among the figure: 1. upflow tube, 2. homogeneous well, 3. water distribution uniformity supporting layer, 4. permeable brick, 5. brick mixes stair structure, 6. biological interception adsorption stuffing, 7. plant substrates layer, 8. eco-filtration filler, 9. V-notch weir.
Embodiment
Below in conjunction with accompanying drawing the present invention is described further.
Fig. 1 is an overflow rain sewage on-site elimination stepped ecological sewage control shore type structure; The agent structure part that comprises homogeneous well (2) and mix stair structure (5) with brick; Overflow rain sewage flow into homogeneous well (2) back from the bottom entering first step even structure water distribution supporting layer (3) of homogeneous well (2) by upflow tube (1); Overflow rain sewage is distributed to Steel Concrete bar seam plate various piece through the water distribution gallery with overflow rain sewage; Up-flow is through the evenly absorption of the biological interception of the overflow rain sewage process adsorption stuffing of configuration of Steel Concrete bar seam plate; With get in the structure of the second stage by V-notch weir (9) drop behind plant substrates layer (7) comprehensive purifying on top; Stack eco-filtration filler (8) from small to large according to particle diameter from bottom to top in the structure of the second stage, get into the river course through V-notch weir (9) and ecological permeable brick (4) after overflow rain sewage stops and purifies in the structure of the second stage.
The step engineering structure is a brick mix structure; Certain engineering strength is arranged, keep Stability Analysis of Structures, primary structure water outlet V-notch weir (9) top is higher than secondary structure V-notch weir (9) top 20cm; Secondary structure V-notch weir absolute altitude is higher than the river course normal water line, and concrete distance is confirmed according to practical situation.
One secondary effluent part is made up of the V-notch weir (9) that highly is 5cm, and V-notch weir can cause the drop oxygenation condition for overflow rain sewage effluents, and for its continuation in the river course purifies favourable condition is provided.
Joint face between the overflow rain sewage on-site elimination stepped ecological sewage control structure first step and the second stage; Make up the permeable shaped brick slot that accounts for the total area 30% outside the second stage in the facade; The interior permeable brick (4) of inserting guarantees that overflow rain sewage has the good fluidised form and the residence time to improve decontamination effect improving, the overflow rain sewage when non-rainfall in the evacuation structures in structure.
The high 20cm of water distribution gallery, water distribution uniformity supporting layer (3) is 3mm for Steel Concrete bar seam plate seam is wide, can be biological interception adsorption stuffing district uniform water distribution in the support filler.
Biological interception adsorption stuffing (6) is 5-10cm for length; Diameter is the hollow bamboo charcoal tube of 30-50mm; The bamboo charcoal tube is deposited in packing layer top, water distribution uniformity supporting layer top at random apart from plant substrates layer 30cm, and the bamboo charcoal tube is nutritive salt pollutant purification water quality such as efficient adsorption of nitrogen, phosphorus when holding back SS.
Biofiltration filler (8) is stacked to apart from 10cm place, water outlet V-notch weir (9) top by particle diameter by the gravel of different gradation and bamboo charcoal sheet from small to large, and biofiltration filler (8) is for microorganism growth provides attachment point, cuts down further that nutritive salt pollutes in the overflow rain sewage.
Plant substrates layer (7) is by the Vilaterm web plate, soil, and the body structure surface that plant is formed, Vilaterm web plate online bore dia is 20mm, and soil utilizes the fertile soil around the project site, and plant is adopted the flourishing amphiphyte of local indigenous root system.
Principle of work of the present invention:
In overflow rain sewage on-site elimination stepped ecological sewage control shore type structure of the present invention; Back short mix homogenizing in homogeneous well (2) takes place by upflow tube (1) in pending overflow rain sewage; Give entire structure through water distribution uniformity supporting layer (3) for the uniformly distributing of Steel Concrete bar seam plate; Overflow rain sewage upper reaches is through biological interception adsorption stuffing (6); The bamboo charcoal tube of the hollow high density SS in the overflow rain sewage that dams effectively reduces total nitrogen, total phosphorus in the sewage through adsorption, the multiple nutrients salt pollution thing in microbial film absorption that forms on the filler simultaneously and the degraded overflow rain sewage.Through getting into second stage Processing Structure through V-notch weir (9) after the processing of the first step; Each pollutant of further degrading of eco-filtration filler (8) wherein reaches the purpose that purifies water, and getting into water body through the overflow rain sewage of system purification through V-notch weir (9) drop oxygenation is that purification provides favourable condition in the further river course.Meanwhile plant substrates layer (7) utilizes overflow rain pollutants in sewage to carry out assimilation, reduces pollution load.In rainfall at interval, connect permeable brick (4) between at different levels, prolonged the residence time to a certain extent to have guaranteed decontamination effect improving simultaneously for current provide passage.
Structure of the present invention is mainly used in the engineering of overflow rain sewage pollution control in the water pollution control engineering.
Above-described embodiment is the preferred a kind of embodiment of the present invention, and common variation that those skilled in the art carries out in technical scheme scope of the present invention and replacement all should be included in protection scope of the present invention.
Claims (1)
1. overflow rain sewage on-site elimination stepped ecological sewage control structure; Comprise water distribution uniformity supporting layer, biological interception adsorption stuffing, plant substrates layer, eco-filtration filler and V-notch weir; It is characterized in that: structure is made up of two-stage, and first step structural base is provided with the water distribution uniformity supporting layer, and water distribution uniformity supporting layer top is stacked biological interception adsorption stuffing at random; Be covered with the plant substrates layer in first step structural top; Fill out successively according to particle diameter order from small to large in the structure of the second stage and put gravel and bamboo charcoal sheet, at different levels between water outlet place V-notch weir is set, utilize permeable brick to make up linking between stepped ecological pollution control structure is at different levels; It accounts for and connects wall area 30%-40%; Described water distribution uniformity supporting layer is made up of gallery and Steel Concrete bar seam plate, and described biological interception adsorption stuffing is the bamboo charcoal tube of hollow, and described plant substrates layer is the body structure surface that Vilaterm web plate, soil and plant are constituted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102327715A CN101891350B (en) | 2010-07-21 | 2010-07-21 | Overflowing rain sewage on-site elimination stepped ecological sewage control structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102327715A CN101891350B (en) | 2010-07-21 | 2010-07-21 | Overflowing rain sewage on-site elimination stepped ecological sewage control structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101891350A CN101891350A (en) | 2010-11-24 |
| CN101891350B true CN101891350B (en) | 2012-07-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010102327715A Expired - Fee Related CN101891350B (en) | 2010-07-21 | 2010-07-21 | Overflowing rain sewage on-site elimination stepped ecological sewage control structure |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104528939B (en) * | 2015-01-08 | 2016-07-06 | 北京大学 | Multimedium bacteria bed repairs the device and method of polluted source |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08267080A (en) * | 1995-04-04 | 1996-10-15 | Unitika Ltd | Waste water treating device |
| CN2749872Y (en) * | 2004-07-06 | 2006-01-04 | 河海大学 | Ecological purification integrated device for rainwater |
| CN100542980C (en) * | 2006-11-04 | 2009-09-23 | 西南科技大学 | The method of utilizing full-natural material to dispose of sewage |
| CN101439916A (en) * | 2008-12-16 | 2009-05-27 | 侯受树 | Purifying device for waste water and drinking water |
| CN101775839B (en) * | 2010-03-16 | 2012-08-22 | 中国建筑设计研究院 | Rainwater penetrating-discharging integrated ecological system |
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