CN203095789U - Artificial rapid infiltration system for quality purification of polluted riverway water - Google Patents

Artificial rapid infiltration system for quality purification of polluted riverway water Download PDF

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Publication number
CN203095789U
CN203095789U CN 201220687500 CN201220687500U CN203095789U CN 203095789 U CN203095789 U CN 203095789U CN 201220687500 CN201220687500 CN 201220687500 CN 201220687500 U CN201220687500 U CN 201220687500U CN 203095789 U CN203095789 U CN 203095789U
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China
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water
layer
infiltration
pond
rapid
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王波
刘欢
李旭宁
黄鑫
肖海云
乔毅
徐进
王志农
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Chongqing Environmental Protection Engineering Design Institute Co ltd
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Shenzhen Ier Environmental Protection Engineering Technology Co Ltd
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Abstract

The utility model discloses an artificial rapid infiltration system for quality purification of polluted riverway water. The artificial rapid infiltration system comprises a pretreatment system, an artificial rapid infiltration pool and a composite biological pond which are connected in sequence through a pipeline. The artificial rapid infiltration pool is divided into five layers, namely a packing layer, a bearing layer, an anti-infiltration membrane protection layer, an HDPE (high-density polyethylene) anti-infiltration membrane and an anti-infiltration membrane pad layer in sequence from top to bottom. According to the artificial rapid infiltration system, the distribution of packing and the packing layer as core parts of the artificial rapid infiltration system is changed, the hydraulic loading of the artificial rapid infiltration system is improved and the occupied area is reduced; and in addition, a combined process which is formed by taking an artificial rapid infiltration technology as a main process, arranging the pretreatment system and taking the composite biological pond as a posttreatment system is applied to riverway water repair, and can be effectively removing pollutants in water, and therefore the effluent requirements are met.

Description

A kind of artificial rapid infiltration system that is used for contaminated riverway water quality purification
Technical field
The utility model belongs to the environmental improvement field, is specifically related to a kind of artificial rapid infiltration system that is used for contaminated riverway water quality purification.
Background technology
The river is as important natural resource and environment support; have Economic Function such as flood control, water drainage, irrigation, water supply, shipping, breed and biological habitat, protection species diversity are provided, regulate the climate, environment purification, water conservation, mould ecological functions such as view, the ups and downs in city and the coordinated development of urban society, economy and environment are all had great significance.
In recent years; although the environmental protection work of China constantly obtains new progress; but be accompanied by the quickening of rapid development of economy and urbanization, process of industrialization, national surface water environment still suffers pollution in various degree, and the stream pollution of China is still serious.According to pointing out in the Chinese environmental status report: 2006, I~III class in 745 surface water monitoring sections of China, IV~V class, the section ratio of bad V class water quality is respectively 40%, 32% and 28%; 2007, the section ratio of I~III class, IV~V class and bad V class water quality was respectively 49.9%, 26.5% and 23.6% in 407 sections in 197 rivers; 2008, article 200, the section ratio of I~III class, IV~V class and bad V class water quality is respectively 55.0%, 24.2% and 20.8% in 409 sections in river, the overall intermediate pollution of seven big water system water quality, wherein the Zhujiang River, the Changjiang river water quality are totally good, Song Hua River is slight pollution, the Yellow River, Huaihe River, the Liaohe River are intermediate pollution, and Haihe River is serious pollution.The water of China's urban river pollutes and strengthens from the pollution type to the pollution intensity.
The river development is closely bound up with human development, and its serious pollution problem will directly influence development and people's normal production and living in city, and therefore, the research of administering recovery technique for stream pollution is very necessary, and significant.With regard to the river sewage purifying treatment, be badly in need of a collection of effective, simple and easy, low consumption and the new and high technology of the river water contamination control that tallies with the actual situation supports.
At present the RI of the system of oozing soon (Rapid Infiltration) that rises have that equipment is simple, less investment, advantage such as energy consumption is low and effluent quality is good, have vast potential for future development in the river sewage process field.But also ubiquity the shortcoming that floor space is big, hydraulic load is low at present, and this has also influenced this The Application of Technology and has carried out.
Therefore, prior art also has improvements.
The utility model content
At above-mentioned technical problem, the purpose of this utility model is to provide a kind of artificial rapid infiltration system that is used for contaminated riverway water quality purification, is intended to solve the problem that system's floor space is big, hydraulic load is low of oozing soon at present.
A kind of artificial rapid infiltration system that is used for contaminated riverway water quality purification, wherein, the described artificial rapid infiltration system that is used for contaminated riverway water quality purification comprises preprocessing system, manpower rapid-infiltration pond and the compound bio pool that connects successively by pipeline;
Described preprocessing system is removed water suspended substance, phosphorus and organic preprocessing system for being used for, comprise the diversion basin that is used for separately river and early-stage rainwater that connects successively by pipeline, be used to hold back particle diameter greater than the trellis system of the suspended substance of 5mm or floating matter, be used for regulating pondage water collecting basin, be used for medicament and river hybrid reaction reaction tank, be used to precipitate above-mentioned medicament combine with dirt formation throw out settling tank and be used to regulate and distribute the distribution reservoir that oozes the pond water yield soon; Described preprocessing system also comprises the medicine system and the rainwater storage pond that is used to collect and regulate rainwater that is used for pharmaceutical dissolution and adds medicament, described medicine system links to each other with described reaction tank by pipeline, and described rainwater storage pond links to each other with described diversion basin by pipeline;
Described manpower rapid-infiltration system is the manpower rapid-infiltration pond that is used for removing water ammonia nitrogen, organism and phosphorus, is divided into five layers in it, is followed successively by packing layer, supporting layer, anti seepage membrane protective layer, HDPE anti seepage membrane, anti seepage membrane bed course from top to bottom;
The water nitrogen phosphorus and the organic compound bio pool are further removed for being used in the described compound bio pool, and the described compound bio pool is provided with waterplant, hydrocoles and functional type microorganism.
The described artificial rapid infiltration system that is used for contaminated riverway water quality purification, wherein, described bed stuffing height is 0.6m-1.2m, and described packing layer comprises four layers of common fillers layer and three layers of particular fillers layer, and every layer of particular fillers layer is arranged between the two-layer common fillers layer; The height of described common fillers layer is identical, and described common fillers layer and particular fillers layer height ratio are 6:1 ~ 9:1;
The described artificial rapid infiltration system that is used for contaminated riverway water quality purification, wherein, the height of described common fillers layer is 14cm-27cm, wherein is filled with the natural river sand that particle diameter is 0.5mm-2mm; Described particular fillers layer height is 16mm-45mm, and wherein being filled with particle diameter is Dali stone sand, zeolite sand, the magnetic sand of 0.5mm-2mm, in fluorite powder, the volcanics filler one or more.
Described supporting layer height is 0.3m-0.5m, is divided into two-layer packing layer up and down; The upper strata bed stuffing height is 0.1m, is filled with the fine stone that particle diameter is 5mm-10mm; Lower floor's bed stuffing height is 0.2m-0.4m, and lower floor is filled with in pebbles that particle diameter is 20mm-40mm, rubble, the gravel cobble one or more;
Described anti seepage membrane protective layer height is 0.1m, and being filled with particle diameter is the thick river sand of 1mm-5mm;
Described HDPE anti seepage membrane is arranged at described manpower rapid-infiltration pond inner bottom part, and the thickness of described HDPE anti seepage membrane is no less than 1mm;
Described HDPE anti seepage membrane bed course is arranged at HDPE anti seepage membrane below, is 0.1m-0.3m highly, and being filled with particle diameter is the thick river sand of 1mm-5mm.The described artificial rapid infiltration system that is used for contaminated riverway water quality purification, wherein, the pool wall in described manpower rapid-infiltration pond exceeds the surperficial 0.3-0.5m of packing layer as the protection height, and pond, described manpower rapid-infiltration pond height degree is 1.4m-2.7m.
The described artificial rapid infiltration system that is used for contaminated riverway water quality purification wherein, comprises grid canal and coarse rack in the described grid device, described coarse rack is installed in the grid canal, and described coarse rack gap is 5mm-10mm;
Be provided with the dosing pump that is used for medicament is squeezed into described reaction tank in the described chemicals dosing plant;
Described reaction tank type is perforation cyclone reaction pond, and described settling tank is a horizontal sedimentation tank.
The described artificial rapid infiltration system that is used for contaminated riverway water quality purification, wherein, described distribution reservoir is arranged at the top in described manpower rapid-infiltration pond, perhaps, is provided for river is pumped into from distribution reservoir the water pump in manpower rapid-infiltration pond between described distribution reservoir and the manpower rapid-infiltration pond.
The pond maintaining of described manpower rapid-infiltration weeds a garden, every day such as foreign material, bulk stone etc., is loosened the soil in the manpower rapid-infiltration pond of half area every day maintenance degree of depth 20cm.Described manpower rapid-infiltration pond 200 falls to doing the time during greater than 180 min, and need carry out degree of depth maintenance immediately: manually turn in the described manpower rapid-infiltration pond that blockage problem will occur, to the airing of turning over of its surface to the packing layer of 50-60cm.
The described artificial rapid infiltration system that is used for contaminated riverway water quality purification, wherein, the packing layer surface in described manpower rapid-infiltration pond is provided with the water distributor that is used for water distribution uniformity, described water distributor is made up of cloth water conduit tube and water distribution branch pipe, described cloth water conduit tube links to each other with described settling tank, and described cloth water conduit tube communicates with described water distribution branch pipe, and described cloth water conduit tube and water distribution branch pipe are crisscross arranged, be reticulated structure, be uniformly distributed in the packing layer top layer; Be evenly distributed with water distributing pore on the tube wall of described water distribution branch pipe.
The described artificial rapid infiltration system that is used for contaminated riverway water quality purification, wherein, the caliber of described cloth water conduit tube is 350mm-450mm, and described water distribution branch pipe is provided with at the bottom of being parallel to the pond, the caliber of described water distribution branch pipe is 50mm-100mm, and the spacing between the water distribution branch pipe is 1m-4m; The aperture of described water distributing pore is 5mm-15mm, and the water distributing pore spacing is 40cm-60cm.
The described artificial rapid infiltration system that is used for contaminated riverway water quality purification, wherein, equidistant and parallel being provided with is used for the header of water outlet at the bottom of the pond, described manpower rapid-infiltration pond; Described header is made up of with the arm that catchments the main that catchments, and the described main that catchments links to each other with the described compound bio pool, and the described main that catchments communicates with the described arm that catchments, and the described main that catchments is crisscross arranged with the arm that catchments, and is reticulated structure; The tube wall both sides of described header arm are evenly distributed with gully-hole.
The described artificial rapid infiltration system that is used for contaminated riverway water quality purification, wherein, header main caliber is 350mm-450mm, and the branch diameter that catchments is that the described distance of catchmenting between the arm of 50mm-100mm is 2m-6m, the aperture of described gully-hole is 5mm-15mm, and pitch of holes is 5cm-50cm.
The beneficial effects of the utility model are: it is little that the artificial rapid infiltration system that is used for contaminated river course purifying river water in the utility model has floor space, less investment, and equipment is simple, convenient operation and management, advantage such as running cost is low.Manpower rapid-infiltration system hydraulic load can reach 1.5m in the utility model 3/ m 2D-2m 3/ m 2D, its hydraulic load ability obviously improves than prior art.
Description of drawings
Fig. 1 is the process flow sheet of artificial rapid infiltration system of the present utility model.
Fig. 2 is the system diagram of artificial rapid infiltration system of the present utility model.
Fig. 3 is a manpower rapid-infiltration of the present utility model pond packing layer distribution plan.
Embodiment
The utility model provides a kind of artificial rapid infiltration system that is used for contaminated riverway water quality purification, and is clearer, clear and definite for making the purpose of this utility model, technical scheme and effect, below with reference to accompanying drawing and give an actual example the utility model is further described.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
The utility model distributes by changing manpower rapid-infiltration system core part-filler and packing layer, plays and improves manpower rapid-infiltration system hydraulic load, reduces the effect of floor space.Concrete, as shown in Figure 2, the described artificial rapid infiltration system that is used for purifying polluted river comprises the preprocessing system that connects successively by pipeline, the manpower rapid-infiltration pond and the compound bio pool.The effect of described preprocessing system is to reduce SS in the water, phosphorus and remove partial organic substances, described preprocessing system comprises connecting successively by pipeline and is used for the separately diversion basin 120 of river and early-stage rainwater, be used to hold back particle diameter greater than the suspended substance of 5mm or the grid device 130 of floating matter, the water collecting basin 140 that is used for regulating pondage, the reaction tank 150 that is used for medicament and river hybrid reaction, be used for precipitating above-mentioned medicament combines the throw out that forms with the dirt of river settling tank 170, be used to regulate and distribute the distribution reservoir 201 of the water yield; Described preprocessing system also comprises and is used to collect and regulate the rainwater storage pond 110 of rainwater and is used for pharmaceutical dissolution and adds the chemicals dosing plant 160 of medicament, described rainwater storage pond interconnects by pipeline and described diversion basin, described chemicals dosing plant 160 links to each other with described reaction tank 150 by pipeline, and described rainwater storage pond 110 links to each other with described diversion basin 120 by pipeline.
Described manpower rapid-infiltration pond 200 is by biological degradation, most of organism in the water is removed in effects such as absorption and filtration, ammonia nitrogen and part phosphorus, the described compound bio pool is the compound bio pool 300, the described compound bio pool 300 is provided with the waterplant that is used to purify water, animal and functional type microorganism, its effect are that nitrogen phosphorus and organism in the water outlet of manpower rapid-infiltration pond are handled once more, guarantee that water outlet is up to standard.。
Described rainwater storage pond 110 is collected early-stage rainwater, and changes rainwater over to diversion basin 120, and described diversion basin 120 separates river wastewater and early-stage rainwater, can alleviate the organic loading of whole technology of rainwater initial stage like this, guarantees that water outlet is up to standard.
Comprise grid canal and coarse rack in the described grid device 130, described coarse rack is installed in the grid canal.Described coarse rack gap is 5mm-10mm.
Described water collecting basin 140 is used for regulating pondage, and water collecting basin 140 has guaranteed the stability that water pump draws water, and hydraulic detention time is 0.3h-1h.
Be provided with the dosing pump that is used for medicament is directly squeezed into described reaction tank 150 in the described chemicals dosing plant 160, the medicament in the described chemicals dosing plant 160 is PAC, PAM, and described medicament is directly squeezed in the reaction tank 150 by dosing pump.
Described reaction tank 150 types are perforation cyclone reaction pond, and hydraulic detention time is 15min-30min.Described settling tank 170 is a horizontal sedimentation tank, and hydraulic detention time is 2h.Sewage enters rectangular sedimentation tank through sewage after the coagulation of reaction tank 150, the alumen ustum that the flocculation stage is formed precipitates, in the described manpower rapid-infiltration system, before described distribution reservoir 201 was positioned at manpower rapid-infiltration pond 200, water inlet can be by freely falling or the pump hoisting way flows to manpower rapid-infiltration pond 200 from distribution reservoir 201.
As shown in Figure 3, be divided into five layers in the described manpower rapid-infiltration pond 200, be followed successively by packing layer 210, supporting layer 220, anti seepage membrane protective layer 230, HDPE anti seepage membrane 240, anti seepage membrane bed course 250 from top to bottom.
Described packing layer 210 highly is 0.6m-1.2m, described packing layer comprises four layers of common fillers layer 211 and three layers of particular fillers layer 212, described particular fillers layer 212 is crisscross arranged with common fillers layer 211, every layer of particular fillers layer 212 is arranged between the two-layer common fillers layer 211, and described particular fillers layer 212 is uniformly distributed between the common fillers layer 211; The height of each layer common fillers layer 211 all is identical; Described common fillers layer 211 is 6:1 ~ 9:1 with particular fillers layer 212 height ratio.The height of described common fillers layer 211 is 18cm-25cm, wherein is filled with the natural river sand that particle diameter is 0.5mm-2mm; Described particular fillers layer 212 highly is 2cm-4cm, and wherein being filled with particle diameter is Dali stone sand, zeolite sand, the magnetic sand of 0.5mm-2mm, in fluorite powder, the volcanics filler one or more.
Described supporting layer 220 highly is 0.3m-0.7m; Described supporting layer 220 is divided into two-layer packing layer up and down, and upper strata packing layer 221 is 0.1m highly, is filled with the fine stone that particle diameter is 5mm-10mm; Lower floor's packing layer 222 highly is 0.2m-0.4m, and lower floor is filled with in pebbles that particle diameter is 20mm-40mm, rubble, the gravel cobble one or more.
Described anti seepage membrane protective layer 230 is 0.1m highly, and being filled with particle diameter is the thick river sand of 1mm-5mm; Described HDPE anti seepage membrane 240 thickness are no less than 1mm; Described HDPE anti seepage membrane bed course 250 is arranged at HDPE anti seepage membrane below, is 0.1m-0.3m highly, and being filled with particle diameter is the thick river sand of 1mm-5mm.
The pool wall 202 in described manpower rapid-infiltration pond 200 exceeds packing layer 210 surperficial 0.3-0.5m as the protection height, and described pond, the pond height degree that oozes soon is 1.6m-2.5m.
Packing layer 211 surfaces, described manpower rapid-infiltration pond are provided with the water distributor that is used for water distribution uniformity.Described water distributor is made up of cloth water conduit tube and water distribution branch pipe, and described cloth water conduit tube and water distribution branch pipe are crisscross arranged, and are reticulated structure, is uniformly distributed in packing layer 210 top layers.The caliber of described cloth water conduit tube is 350mm-450mm, and described water distribution branch pipe is provided with at the bottom of being parallel to the pond, and the caliber of described water distribution branch pipe is 50 mm-100mm, and the spacing between the water distribution branch pipe is 1 m-4m.Water distributing pore evenly is set on the tube wall of described water distribution branch pipe, and the aperture is 5 mm-15mm, and the water distributing pore spacing is 20cm-60cm.
The header water outlets are adopted in described manpower rapid-infiltration pond 200, and described header is equidistant and be arranged in parallel at the bottom of 200 ponds, described manpower rapid-infiltration pond, and described header is made up of with the arm that catchments the main that catchments, and the described main that catchments is crisscross arranged with the arm that catchments, and is reticulated structure.The described distance of catchmenting between the arm is 2m-6m, and header main caliber is 350mm-450mm, and the branch diameter that catchments is 50mm-100mm.The tube wall both sides of described header arm are provided with equally distributed gully-hole, and the aperture is 5mm-15mm, and pitch of holes is 5cm-50cm.
The hydraulic load in described manpower rapid-infiltration pond 200 is 1.5m 3/ m 2.d-2.0m 3/ m 2.d, described manpower rapid-infiltration pond 200 water intake modes are intermittent loading, and every day, water distribution was 4 times-6 times, and the water distribution cycle is 4h-6h, and each water distribution time is 15min-20min.
200 maintainings of described manpower rapid-infiltration pond weed a garden, every day such as foreign material, bulk stone etc., are loosened the soil in the manpower rapid-infiltration pond 200 of half area every day maintenance degree of depth 20cm.Described manpower rapid-infiltration pond 200 falls to doing the time during greater than 180 min, and need carry out degree of depth maintenance immediately: manually turn in the described manpower rapid-infiltration pond 200 that blockage problem will occur, to the airing of turning over of its surface to the packing layer of 50-60cm.
Culture in the described compound bio pool 300 and be useful on hydrocoles, waterplant and the functional microbial that purifies water.Hydraulic detention time is 4h-6h, can carry out advanced treatment to pollutents such as the organism in the river sewage, suspended substance, nitrogen phosphorus in the short residence time.By waterplant in the compound bio pool, hydrocoles and functional microorganism three combined action are handled once more to the nitrogen phosphorus substance.Described waterplant is one or more in emergent, floatingleaved plant, submerged plant, pleuston or the cash crop; Described emergent is one or more in reed, aquatic Canna generalis Bailey, cyperus alternifolius, Medulla Junci, the Wildcelery Herb; Described floatingleaved plant is one or both in water lily, the chrysanthemum fire hose; Described submerged plant is one or more in black algae, waterweed, the water caltrop; Described pleuston is a Herba Eichhorniae; Described cash crop are one or more in mater convolvulus, the red autumnal leaves beet; Described hydrocoles be crucian, carp, silver carp, bighead, grass carp, tilapia, snail one or more; Described functional microbial can be in nitrobacteria, denitrifying bacterium, Ammonifying bacteria or the polyP bacteria one or more.
The utility model adopts the drive manner of manpower rapid-infiltration system alternation of wetting and drying, utilizes the microbial film that enriches of filter material surface growth that pollutants in sewage matter is carried out physical and chemical adsorption and biological degradation.In the waterflooding phase, the sewage filter material layer of flowing through from top to bottom because filtrate is compaction state, utilizes the particle diameter of filter medium features of smaller, filtrate medium clay soil mineral and adsorption and the little throwing out of biomembranous biology are arranged dam and adsorb suspended substance and dissolved matter in the sewage; Falling dry spell, the microbial film of filter material surface carries out aerobic biodegradation to the pollutent attached to filler inside under good oxygen condition, thereby makes pollutent be able to final removal in system.
Adopt the compound bio pool as advanced treatment process in the utility model, the acting in conjunction by plant, animal and microorganism aquatic ecosystem is to nitrogen phosphorus in the water, and organism is handled once more, satisfies the water outlet requirement.
Manpower rapid-infiltration system hydraulic load can reach 1.5m in the utility model 3/ m 2D-2m 3/ m 2D.It is little that the artificial rapid infiltration system that is used for contaminated river course purifying river water in the utility model has floor space, less investment, and equipment is simple, convenient operation and management, advantage such as running cost is low.
Embodiment 1
The utility model is applied in the reservoir river improvement of Shenzhen, the river is in nearly 8000 tons/day of peak ordinary water in time amount in rainy season, because a large amount of lives are thrown in the river with industrial sewage, serious water pollution situation has made the river be in bad V water quality, and early oneself has lost and drinks function water quality.At the stream pollution present situation, carry out river wastewater improvement work.Sewage treatment process as shown in Figure 1.
River wastewater enters grating tank after separating with early-stage rainwater, and dam bigger suspended substance and floating matter enter water collecting basin, and regulating pondage, water collecting basin have guaranteed the stability that water pump draws water, and the water collecting basin volume is 120m 3, the residence time is 20min; Perforation cyclone reaction pond is divided into two, and current flow through reaction tank from fast to slow, and medicament and sewage are mixed, and single seat reaction tank volume is 54m 3, sewage enters rectangular sedimentation tank after the sewage coagulation, and the alumen ustum that the flocculation stage is formed precipitates, two of settling tank quantity, single seat pond effective volume is 472.5m 3The settling tank water outlet enters distribution reservoir, and sewage enters by action of gravity and oozes the pond soon in the distribution reservoir.The distribution reservoir effective volume is 210m 3
Described manpower rapid-infiltration tank waterpower load is 1.8m 3/ m 2D, oozing pond, pond height degree soon is 220cm, pond body superelevation 40cm, bed stuffing height is 1.1m, and the supporting layer height is 50cm, is divided into two-layer: the supporting layer upper level is 10cm, and filling particle diameter is the coarse sand of 1mm-3mm.Layer height is 40cm under the supporting layer, and filling particle diameter is the stone of 20mm-40mm;
Packing layer is divided into four layers of common fillers layer and three layers of particular fillers layer, and every layer of common fillers layer filled river sand, and packed height is 25cm, and particular fillers is made of for the 91:7:2 ratio by volume Dali stone sand, zeolite sand, three kinds of natural mineral of magnetic sand.The particular fillers layer height is 3cm.
Described manpower rapid-infiltration pond is provided with the HDPE anti seepage membrane, and described anti seepage membrane protective layer height is 0.1m, and being filled with particle diameter is the thick river sand of 1mm-5mm; Described HDPE anti seepage membrane thickness is 1mm; Described HDPE anti seepage membrane bed course height is 0.1m, and being filled with particle diameter is the thick river sand of 1mm-5mm.
Manpower rapid-infiltration pond water distribution every day 4 times, each water distribution time 15min, distribution reservoir sewage enters manpower rapid-infiltration pond water inlet main by gravity flow, main and arm are reticulated structure, be distributed in the filler top layer equably, the main caliber is 400mm, and arm is parallel at the bottom of the pond, branch diameter is 100mm, and distance is 3m between the arm.Arm water distributing pore aperture is 10mm, and void pitch is 50cm.
Catchment main and arm of manpower rapid-infiltration pond is reticulated structure, is distributed in equably at the bottom of the pond, and distance is 5m between the arm, and header main caliber is 400mm, and branch diameter is 100mm.The arm gully-hole aperture of catchmenting is 15mm, void pitch 10cm.
It is the HDPE anti seepage membrane of 1.5mm that a layer thickness is laid in body inwall bottom, pond, manpower rapid-infiltration pond.
Enter the compound bio pool through too fast sewage after oozing processing and carry out advanced treatment, by waterplant in the compound bio pool, hydrocoles and functional microorganism three combined action, the nitrogen phosphorus substance is handled once more plantation Herba Eichhorniae, cyperus alternifolius, Rush, hydrilla verticillata, waterweed, aquatic Canna generalis Bailey, water caltrop in the compound bio pool.Simultaneously, in the efficient compound bio pool, culture grass carp and tilapia and add nitrobacteria, denitrifying bacterium.
The design influent quality index of this project is COD cr-300mg/L, BOD-100m g/L, SS-100mg/L, ammonia nitrogen-20mg/L.The design effluent quality reaches national urban wastewater treatment firm emission standard (GB18918-2002) one-level A standard.This river purifying river water factory was through long-time operation in nearly 5 years, and leading indicator is stablized " urban wastewater treatment firm emission standard " (GB 189 18-2002) one-level A standard that reaches.
Advantages such as the manpower rapid-infiltration filtering system that the utility model provides has that equipment is simple, less investment, floor space is little, hydraulic load is high, energy consumption is low and effluent quality is good have vast potential for future development in the river sewage process field.
Should be understood that; application of the present utility model is not limited to above-mentioned giving an example, and for those of ordinary skills, can be improved according to the above description or conversion; for example, all these improvement and conversion all should belong to the protection domain of the utility model claims.

Claims (8)

1. artificial rapid infiltration system that is used for contaminated riverway water quality purification, it is characterized in that the described artificial rapid infiltration system that is used for contaminated riverway water quality purification comprised by pipeline being used for of connecting successively to be removed water suspended substance, phosphorus and organic preprocessing system, be used for removing water ammonia nitrogen and organic manpower rapid-infiltration pond and be used for further removing water nitrogen phosphorus and the organic compound bio pool.
2. the artificial rapid infiltration system that is used for contaminated riverway water quality purification according to claim 1, it is characterized in that, described preprocessing system comprises the diversion basin that is used for separately river and early-stage rainwater that connects successively by pipeline, be used to hold back particle diameter greater than the trellis system of the suspended substance of 5mm or floating matter, be used for regulating pondage water collecting basin, be used for medicament and river hybrid reaction reaction tank, be used to precipitate above-mentioned medicament combine with the dirt of river formation throw out settling tank and be used to regulate and distribute the distribution reservoir that oozes the pond water yield soon; Described preprocessing system also comprises the medicine system and the rainwater storage pond that is used to collect and regulate rainwater that is used for pharmaceutical dissolution and adds medicament, described medicine system links to each other with described reaction tank by pipeline, and described rainwater storage pond links to each other with described diversion basin by pipeline;
Be provided with the dosing pump that is used for medicament is squeezed into described reaction tank in the described chemicals dosing plant;
Described reaction tank type is perforation cyclone reaction pond, and described settling tank is a horizontal sedimentation tank;
Described distribution reservoir is arranged at the top in described manpower rapid-infiltration pond, perhaps, is provided for river is pumped into from distribution reservoir the water pump in manpower rapid-infiltration pond between described distribution reservoir and the manpower rapid-infiltration pond.
3. the artificial rapid infiltration system that is used for contaminated riverway water quality purification according to claim 1; it is characterized in that; described manpower rapid-infiltration pond is divided into five layers in it, is followed successively by packing layer, supporting layer, anti seepage membrane protective layer, HDPE anti seepage membrane, anti seepage membrane bed course from top to bottom.
4. the artificial rapid infiltration system that is used for contaminated riverway water quality purification according to claim 3, it is characterized in that, described bed stuffing height is 0.6m-1.2m, described packing layer comprises four layers of common fillers layer and three layers of particular fillers layer, and filling particle diameter in the described common fillers layer is the natural river sand of 0.5mm-2mm; Filling particle diameter in the described particular fillers layer is Dali stone sand, zeolite sand, the magnetic sand of 0.5mm-2mm, in fluorite powder, the volcanics filler one or more;
Between every layer of two-layer common bed of material of particular fillers layer uniform distribution; The height of described common fillers layer is identical, and the height of described particular fillers layer is identical; Described common fillers layer and particular fillers layer height ratio are 6:1 ~ 9:1; The height of described common fillers layer is 14cm-27cm, wherein is filled with the natural river sand that particle diameter is 0.5mm-2mm; Described particular fillers layer height is 16mm-45mm;
Described supporting layer height is 0.3m-0.5m, is divided into two-layer up and down; The upper strata bed stuffing height is 0.1m, is filled with the fine stone that particle diameter is 5mm-10mm; Lower floor's bed stuffing height is 0.2m-0.4m, and lower floor is filled with in pebbles that particle diameter is 20mm-40mm, rubble, the gravel cobble one or more;
Described anti seepage membrane protective layer height is 0.1m, and being filled with particle diameter is the thick river sand of 1mm-5mm;
Described HDPE anti seepage membrane is arranged at described manpower rapid-infiltration pond inner bottom part, and the thickness of described HDPE anti seepage membrane is no less than 1mm;
Described HDPE anti seepage membrane bed course is arranged at HDPE anti seepage membrane below, is 0.1m-0.3m highly, and being filled with particle diameter is the thick river sand of 1mm-5mm.
5. the artificial rapid infiltration system that is used for contaminated riverway water quality purification according to claim 3; it is characterized in that; the pool wall in described manpower rapid-infiltration pond exceeds the surperficial 0.3m-0.5m of packing layer as the protection height, and pond, described manpower rapid-infiltration pond height degree is 1.4m-2.7m.
6. the artificial rapid infiltration system that is used for contaminated riverway water quality purification according to claim 3, it is characterized in that, the packing layer surface in described manpower rapid-infiltration pond is provided with the water distribution water pipe, described water distribution water pipe is made up of cloth water conduit tube and water distribution branch pipe, described cloth water conduit tube and water distribution branch pipe are crisscross arranged, and are reticulated structure; Described water distribution branch pipe evenly is provided with water distributing pore.
7. the artificial rapid infiltration system that is used for contaminated riverway water quality purification according to claim 3 is characterized in that, equidistant and parallel being provided with is used for the header of water outlet at the bottom of the pond, described manpower rapid-infiltration pond; Described header is made up of with the arm that catchments the main that catchments, and the described main that catchments is crisscross arranged with the arm that catchments, and is reticulated structure; The tube wall both sides of described header arm are evenly distributed with gully-hole.
8. the artificial rapid infiltration system that is used for contaminated riverway water quality purification according to claim 1 is characterized in that, described compound bio is provided with waterplant in the pool, hydrocoles and functional type microorganism.
CN 201220687500 2012-12-13 2012-12-13 Artificial rapid infiltration system for quality purification of polluted riverway water Expired - Lifetime CN203095789U (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104556359A (en) * 2014-12-16 2015-04-29 江苏交科工程检测技术有限公司 Packing structure for constructed rapid infiltration system
CN104652723A (en) * 2015-02-11 2015-05-27 北京建筑大学 Rainwater treatment system for single-twist continuous arch covering and treatment method
CN104724884A (en) * 2015-03-02 2015-06-24 江苏省环境科学研究院 Treatment system for surface water polluted by leakage of chemical waste water and treatment method for treatment system
CN105948247A (en) * 2016-05-25 2016-09-21 成都理工大学 Operation method for improving denitrification efficiency of constructed rapid infiltration system
CN107226595A (en) * 2017-08-07 2017-10-03 湖南艾布鲁环保科技有限公司 A kind of below is percolated cell system

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104556359A (en) * 2014-12-16 2015-04-29 江苏交科工程检测技术有限公司 Packing structure for constructed rapid infiltration system
CN104652723A (en) * 2015-02-11 2015-05-27 北京建筑大学 Rainwater treatment system for single-twist continuous arch covering and treatment method
CN104724884A (en) * 2015-03-02 2015-06-24 江苏省环境科学研究院 Treatment system for surface water polluted by leakage of chemical waste water and treatment method for treatment system
CN104724884B (en) * 2015-03-02 2016-06-08 江苏省环境科学研究院 A kind of wastewater from chemical industry leaks the process system of polluted surface water and processing method thereof
CN105948247A (en) * 2016-05-25 2016-09-21 成都理工大学 Operation method for improving denitrification efficiency of constructed rapid infiltration system
CN105948247B (en) * 2016-05-25 2020-08-25 成都理工大学 Operation method for improving denitrification efficiency of artificial rapid infiltration system
CN107226595A (en) * 2017-08-07 2017-10-03 湖南艾布鲁环保科技有限公司 A kind of below is percolated cell system

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