CN203755425U - Initial rainwater and rainwater and pollutant mixed overflow water retaining and seepage facility - Google Patents
Initial rainwater and rainwater and pollutant mixed overflow water retaining and seepage facility Download PDFInfo
- Publication number
- CN203755425U CN203755425U CN201420068490.4U CN201420068490U CN203755425U CN 203755425 U CN203755425 U CN 203755425U CN 201420068490 U CN201420068490 U CN 201420068490U CN 203755425 U CN203755425 U CN 203755425U
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- rainwater
- seepage flow
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 88
- 239000003344 environmental pollutant Substances 0.000 title abstract description 7
- 231100000719 pollutant Toxicity 0.000 title abstract description 7
- 238000001914 filtration Methods 0.000 claims abstract description 13
- 230000001105 regulatory effect Effects 0.000 claims description 21
- 230000000717 retained effect Effects 0.000 claims description 14
- 230000005540 biological transmission Effects 0.000 claims description 12
- 239000004746 geotextile Substances 0.000 claims description 9
- 239000010813 municipal solid waste Substances 0.000 claims description 9
- 239000011150 reinforced concrete Substances 0.000 claims description 9
- 238000012856 packing Methods 0.000 claims description 7
- 239000004576 sand Substances 0.000 claims description 7
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- 206010027336 Menstruation delayed Diseases 0.000 abstract 2
- 238000002156 mixing Methods 0.000 description 12
- 230000008595 infiltration Effects 0.000 description 10
- 238000001764 infiltration Methods 0.000 description 10
- 239000010865 sewage Substances 0.000 description 9
- 239000002245 particle Substances 0.000 description 6
- 238000013461 design Methods 0.000 description 5
- 230000015556 catabolic process Effects 0.000 description 4
- 238000006731 degradation reaction Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 238000005325 percolation Methods 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 238000011001 backwashing Methods 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 239000012466 permeate Substances 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 239000003643 water by type Substances 0.000 description 2
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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- 229920006395 saturated elastomer Polymers 0.000 description 1
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Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/30—Flood prevention; Flood or storm water management, e.g. using flood barriers
Abstract
The utility model discloses an initial rainwater and rainwater and pollutant mixed overflow water retaining and seepage facility. The initial rainwater and rainwater and pollutant mixed overflow water retaining and seepage facility comprises a rainwater drainage channel and a regulation and storage pond arranged beside the rainwater drainage channel. The rainwater drainage channel is provided with a sunken closure tank, the lateral side of the closure tank is provided with a drainage port communicated with the regulation and storage pond, the inside of the regulation and storage pond is sequentially divided into a grating area, a wet land filtration plant area and a seepage filter area along the flowing direction of the water body, the initial rainwater and the rainwater and pollutant mixed overflow water retaining and seepage water is lower in flow and can fall into the closure tank when draining through the rainwater drainage channel, and flows into the regulation and control pond to purify through a side drainage port through the closure tank. As time goes on, water level of the regulation and control pond rises to support the closure tank so that the water level of the closure tank rises correspondingly, accordingly, the rainwater of the late period directly overflows the rainwater drainage channel at the lower section of the closure tank and flows into the downstream water body when flowing through the closure tank, and divided discharge of the initial rainwater and the rainwater and pollutant mixed overflow water which are high in pollution and the purified rainwater of the late period is realized.
Description
Technical field
the utility model relates to rain sewerage treatment purification technics field, and particularly the dirty overflow water that mixes of a kind of early-stage rainwater and rain is retained seepage flow facility.
Background technology
The rainfall initial stage, road dust, silt particle, greasy dirt, even rubbish is along with early-stage rainwater confluxes rapidly to draining pipe culvert (canal); In addition, the rain sewage of mixed flow is often because the restriction of sewage conduct interception ratio produces overflow, the mixing water at overflow initial stage, is diluted not yet fully, and its pollutant levels are also higher, the dirty mixing water of the early-stage rainwater that above-mentioned existence is polluted and the rain of overflow, as directly entered downstream water body, often cause severe contamination to impact, and pollution is scattered in whole water body, cleaning difficulty, becomes the not good one of the main reasons of open waters water quality of landscape water such as middle and lower reaches lake, city body.
At present, knownly pollute for early-stage rainwater the technology of processing and have infiltration greenery patches, first rain storage pond etc., transfer the dirty overflow water that mixes of rain of ability to exceeding soil pipe interception ratio, cannot regulate and store or transfer, but in line enter downstream water body.
Infiltration greenery patches is a kind of early-stage rainwater pollution treatment technology that adopts permeable planting soil to form the infiltration ditch that ecological property is good or permeate the pool.Infiltration ditch transfers into road rain flood along the line in collection, and when precipitation is detained coarse granule, rubbish, permeate portion rainwater enters underground, and the infiltration pool is after rainwater collects, the measure slowly permeating the ground.Because infiltration ditch is born the function that rain flood transfers simultaneously, therefore, conventionally rainwater flow velocity is larger, in ditch dead time short, pollutant is cut down to ratio lower; It is saturated that the infiltration pool is limited by the soil body, is also difficult to the early-stage rainwater of dissolving in a large number, and early-stage rainwater is confused in the relatively low rainwater of Final pollution substrate concentration, enters downstream.In addition, infiltration ditch adopts Jie Shun both sides, careless slope road, and ditch takes up an area wide; And the infiltration pool of slowly infiltrating has also taken green space resource, therefore, there is the problem that floor space is large in infiltration greenery patches.
Just rain storage pond adopts reinforced concrete structure, considers service area, the factor such as dam just rain millimeter numerical value, safety stock design load determines storage pond volume, is collected and is transferred early-stage rainwater and enter pond, then return pipe network system with water pump pump drainage by rainwater arm.Take up an area and affect view for reducing earth's surface, storage pond is often imbedded or partly imbeds underground, and the engineering quantities such as the earthwork, reinforced concrete structure and the emptying water pump of storage pond engineering are large, and engineering-built cost is high; Collect after early-stage rainwater at every turn, all need by water pump, early-stage rainwater to be drawn back in sewage network system, and need to precipitate silt particle in periodic cleaning pond, thereby its regular maintenance pipe is formed originally also higher; And the storage pond of reinforced concrete structure, except the thick silt particle of precipitation, only, as the layover place of early-stage rainwater, is difficult to effectively purify water.
Utility model content
Technical problem to be solved in the utility model is to provide one can retain purified treatment to the dirty overflow water that mixes of early-stage rainwater and rain, and retains seepage flow facility by what pollute larger early-stage rainwater and cleaner later stage rainwater shunting discharge.
For solving the problems of the technologies described above adopted technical scheme: the dirty overflow water that mixes of a kind of early-stage rainwater and rain is retained seepage flow facility, comprise rainwater drainage canal and be located at the other pool of regulating and storing of rainwater drainage canal, described rainwater drainage canal has the cut-off groove of one section of sunk type, described cut-off groove bottom land elevation lower than rainwater drainage canal canal at the bottom of elevation, described cut-off groove side direction has a draining hole and is conducted with the pool of regulating and storing, and in the described pool of regulating and storing, forms successively grid area, wetland filter plant district, seepage flow filtering area along water body flow direction.
Be further used as the improvement of technical solutions of the utility model, in described seepage flow filtering area, be provided with one and retain seepage flow dam, the described seepage flow dam that retains is formed by the gravel placement in layers of different-grain diameter, described in retain seepage flow dam top transmission coefficient be greater than the middle and lower part transmission coefficient of retaining seepage flow dam.
Be further used as the improvement of technical solutions of the utility model, described retain seepage flow dam from bottom to up successively placement in layers form middle sandy gravel stratum, powder fine sand gravel bed, middle sandy gravel stratum and coarse sand gravel bed, lay successively geotextiles, Reynolds mat at the described both sides dam facing of retaining seepage flow dam.
Be further used as the improvement of technical solutions of the utility model, be provided with a seepage flow and cross filter core wall at the described seepage flow dam middle part of retaining, described seepage flow is crossed filter core wall and has groove and groove upstream and downstream side wall in the middle of being and have the reinforced concrete structure body of wall of porous, described reinforced concrete structure wall outer side is coated with geotextiles, fills out and be placed with packed filter packing in described groove.
Be further used as the improvement of technical solutions of the utility model, the transmission coefficient of described packed filter packing is less than the transmission coefficient of retaining seepage flow dam being formed by gravel placement in layers.
Be further used as the improvement of technical solutions of the utility model, be interval with coarse rack and the fine fack of catching rubbish refuse in described grid area along water body flow direction, described fine fack is in the plane broken curve and arranges.
Be further used as the improvement of technical solutions of the utility model, in described wetland filter plant district, be provided with successively emergent vegetation zone before emergent vegetation zone, some floating plant pieces, submerged plant band, dam along water body flow direction, the roundabout runner of the staggered formation in described floating plant block gap.
Beneficial effect: this retains seepage flow facility is that mode by retaining seepage flow is by early-stage rainwater and the dirty overflow water purified treatment of mixing of rain, the discharge of the dirty mixing of early-stage rainwater and rain overflow water is relatively little, the dirty overflow water that mixes of early-stage rainwater and rain is by the drainage of rainwater drainage canal, in the time flowing through cut-off groove, first fall and flow in cut-off groove, then lateral drainage mouth by cut-off groove flows into the pool of regulating and storing and carries out purified treatment; Just the later stage Rainwater Quality after rain is relatively better, along with passage of time, the water level of regulating and storing in the pool rises, jacking cut-off groove makes the also corresponding rising of its water level, while making later stage rainwater flow through cut-off groove, directly cover cut-off groove and flow into downstream water body through the rainwater drainage canal of hypomere, realized early-stage rainwater and the dirty overflow water that mixes of rain that early stage pollution is larger and shunted discharge with cleaner later stage rainwater.Simultaneously, retained the dirty overflow water that mixes of the early-stage rainwater that gets off and rain and will be trapped in the pool of regulating and storing 24～72 hours, thick, the fine fack of first flowing through in grid area carry out preliminary treatment, it is the classification interception of different size refuse rubbish, the wetland filter plant district that flows through is again precipitated and absorption degradation fully, the seepage flow filtering area of finally flowing through filters, and flows into downstream water body in subsurface seepage flow mode, has so far realized early-stage rainwater and the dirty purified treatment of mixing overflow water of rain.
Brief description of the drawings
Below in conjunction with drawings and Examples, the utility model is described further;
Fig. 1 is the plan view of the utility model embodiment;
Fig. 2 is the longitudinal plan of A-A in Fig. 1;
Fig. 3 is the sectional drawing of retaining seepage flow dam in the utility model embodiment.
Detailed description of the invention
Referring to figs. 1 through Fig. 3, the utility model is that the dirty overflow mixing water of a kind of early-stage rainwater and rain is retained seepage flow facility, comprise rainwater drainage canal 10 and be located at the other pool 20 of regulating and storing of rainwater drainage canal 10, rainwater drainage canal 10 has the cut-off groove 11 of one section of sunk type, described cut-off groove 11 bottom land elevations lower than rainwater drainage canal 10 canals at the bottom of elevation, cut-off groove 11 side direction have a draining hole 12 and are conducted with the pool 20 of regulating and storing, and interiorly on the pool 20 of regulating and storing form successively grid area, wetland filter plant district, seepage flow filtering area along water body flow direction.
This retains seepage flow facility is that mode by retaining seepage flow is isolated early-stage rainwater and the dirty overflow water that mixes of rain and purified treatment, the discharge of the dirty mixing of early-stage rainwater and rain overflow water is relatively little, the dirty overflow water that mixes of early-stage rainwater and rain is by 10 drainages of rainwater drainage canal, in the time flowing through cut-off groove 11, first fall and flow in cut-off groove 11, then lateral drainage mouth 12 by cut-off groove 11 flows into the pool 20 of regulating and storing and carries out purified treatment; Just the dirty mixing water water quality of the later stage rainwater after rain and rain is relatively better, along with passage of time, the water level of regulating and storing in the pool 20 rises, jacking cut-off groove 11 makes the also corresponding rising of its water level, while making later stage rainwater flow through cut-off groove 11, directly cover cut-off groove 11 and flow into downstream water body through the rainwater drainage canal 10 of hypomere, realized larger early-stage rainwater and the dirty overflow water that mixes of rain of pollution and shunted discharge with cleaner later stage rainwater and the dirty mixing water of rain.Simultaneously, retained the dirty overflow water that mixes of early-stage rainwater and rain and will be trapped in the pool 20 of regulating and storing 24～72 hours, thick, the fine fack of first flowing through in grid area carry out preliminary treatment, it is the classification interception of different size refuse rubbish, the wetland filter plant district that flows through is again precipitated and absorption degradation fully, the seepage flow filtering area of finally flowing through filters, and flows into downstream water body in subsurface seepage flow mode, has so far realized early-stage rainwater and the dirty purified treatment of mixing overflow water of rain.
In the present embodiment, on the pool 20 of regulating and storing, interior division forms grid area, wetland filter plant district, seepage flow filtering area three-stage filtration region, so that early-stage rainwater and the dirty overflow water that mixes of rain are carried out to purified treatment.
Particularly, in grid area, keep at a certain distance away and arrange coarse rack 21 and fine fack 22, first the sewage (the dirty overflow water that mixes of early-stage rainwater and rain) that is blocked drainage tackle through coarse rack 21 rubbish that the big-and-middle size hard degradation such as polybag, waste paper in sewage absorbs, coarse rack 21 cloth are setting in draining hole 12 outsides of cut-off groove 11, because the grid hole of coarse rack 21 is large, conveyance capacity is strong, and therefore the layout length of coarse rack 21 can be less; And fine fack 22 is because grid hole is little, be subject to rubbish stop up, for reducing to block water and expand conveyance capacity, in plane, need to adopt broken curve to arrange, be similar to "the" shape or serpentine, to obtain under the width conditions of identical waters, large as far as possible flow section.The junk of tackling through coarse rack 21 and fine fack 22 is convenient to concentrate cleaning, otherwise, when rubbish enters the wetland filter plant district of next stage, be difficult to clean out, and affect mistake water and the plant growth in wetland filter plant district.
Wetland filter plant district is that a kind of stereo ecological filters wetland, be provided with successively along water body flow direction in this wetland filter plant district that emergent vegetation zone 23, some floating plant pieces 24, submerged plant are with 25, emergent vegetation zone 26 before dam, the wherein roundabout runner of the floating plant piece 24 staggered formation in interval, sewage is process precipitation and the slow absorption degradation through plant fully in wetland filter plant district, effectively sewage is carried out to purified treatment.
In seepage flow filtering area, be mainly to retain seepage flow dam 27 by one to carry out seepage flow filtration, sewage forms clean water body and enters in the water body of downstream after final step seepage flow filters, this retains seepage flow dam 27 is to be formed by the gravel placement in layers of different-grain diameter, generally, the gravel particle average grain diameter on dam body top is thicker, its transmission coefficient is larger, the emptying ability while regulating and storing the pool 20 high water level operating mode to improve; And the gravel particle average grain diameter of dam body middle and lower part is thinner, its transmission coefficient is less, and the slow discharge of the pool 20 under middle low water stage operating mode that be conducive to regulate and store extends to intercept sewage in the holdup time of regulating and storing in the pool 20, improves detergent power.As can be seen from Figure 3, retain seepage flow dam 27 from bottom to up successively placement in layers form middle sandy gravel stratum 271, powder fine sand gravel bed 272, middle sandy gravel stratum 273 and coarse sand gravel bed 274.
Be equipped with geotextiles 275 at the both sides dam facing of retaining seepage flow dam 27, and adopt Reynolds mat 276 masks, wherein in Reynolds mat 276 grids, load cobble, geotextiles 275 can prevent that dam body gravel runs off, Reynolds mat 276 forms ballast and protection to geotextiles 275 and dam facing, prevents that water surface wave from drawing brush and corroding dam body.
In order to control and safeguard the percolation ability of retaining seepage flow dam 27, retain and a seepage flow is also set in the middle of seepage flow dam 27 and crosses filter core wall 277, this seepage flow is crossed filter core wall 277 and is had groove for centre, groove upstream and downstream side wall has the reinforced concrete structure body of wall of porous, in this groove, fill out and put packed filter packing 278, the transmission coefficient of packed filter packing 278 is less than the transmission coefficient of the sand gravel material of both sides dam body, control seepage flow head loss to play, seepage velocity and the effect of adsorbing tiny contamination particle, packed filter packing 278 is detachably changed, and then can control whole seepage flow dam 27 percolation abilities of retaining, also make to retain seepage flow dam 27 continuable performance seepage flow function, also be coated with geotextiles 275 in this wall outer side, can avoid gravel to leak into seepage flow and cross in the groove of filter core wall 277 by the hole of porous reinforced concrete structure body of wall.
This is retained seepage flow dam 27 and also has a backwashing function, although effluent stream has been passed through coarse rack 21, fine fack 22, emergent vegetation zone 23, some floating plant pieces 24, submerged plant is with 25, emergent vegetation zone 26 before dam, the multi-level purification filtering of Reynolds mat 276 and geotextiles 275, but grown service time, also stop up to some extent unavoidably, this is retained seepage flow dam 27 and designs a backwashing function, by taking out the low pool 20 water levels of retaining dry season to the level of tail water, introduce downstream high-quality water body, in seepage flow dam 27, form reverse underground flow retaining, retain the water-head in the pool 20 and downstream by control, can constantly adjust control seepage velocity, wash away and take obstruction out of, thereby recover and keep retaining the percolation ability on seepage flow dam 27.
By at the above-mentioned facility of the interior layout in the pool 20 of regulating and storing, reach economical and early-stage rainwater and the dirty object of mixing overflow water and tackle purified treatment of rain effectively.
Be disposed in the water body of downstream with cleaner later stage rainwater shunting in order to realize early-stage rainwater and the dirty overflow water that mixes of rain that pollution is larger, on rainwater drainage canal 10, design one section of recessed cut-off groove 11, rainwater drainage canal 10 is directly rainwater to be drained into downstream water body, and the object of this design cut-off groove 11 is to be drained into the regulate and store pool 20 compared with the early-stage rainwater of low discharge and the dirty overflow water that mixes of rain early stage, direct the rainwater of larger flow of later stage drainage can be disposed in the water body of downstream again, do not need to consider purified treatment because later stage rainwater is cleaner, this rainwater drainage canal 10 is to be divided into two sections, separate with cut-off groove 11 centre, because the flow of early-stage rainwater and the dirty mixing of rain overflow water is less, after the leading portion drainage of rainwater drainage canal 10, directly fall in cut-off groove 11 and by the draining hole of side direction and flow to the pool 20 of regulating and storing, because initial stage flow is less and regulate and store the low reason of the pool 20 water levels, the dirty overflow water that mixes of early-stage rainwater and rain can't flow away by the back segment of rainwater drainage canal 10, along with entering the increase of the pool amount of retaining, the pool water level of regulating and storing rises, water level in cut-off groove 11 is formed to jacking, just rain rain flood matter is afterwards relatively better simultaneously, be subject to the later stage rain flood of jacking directly to cover cut-off groove 11 and enter downstream water body through the back segment of rainwater drainage canals 10, by design cut-off groove 11 and draining hole 12, shunt discharge by polluting the dirty overflow water that mixes of larger early-stage rainwater and rain with cleaner later stage rainwater dexterously.
By reference to the accompanying drawings embodiment of the present utility model is explained in detail above, but the utility model is not limited to above-mentioned embodiment, in the ken possessing at described technical field those of ordinary skill, can also under the prerequisite that does not depart from the utility model aim, make various variations.
Claims (7)
1. the dirty overflow water that mixes of an early-stage rainwater and rain is retained seepage flow facility, it is characterized in that: comprise rainwater drainage canal and be located at the other pool of regulating and storing of rainwater drainage canal, described rainwater drainage canal has the cut-off groove of one section of sunk type, described cut-off groove bottom land elevation lower than rainwater drainage canal canal at the bottom of elevation, described cut-off groove side direction has a draining hole and is conducted with the pool of regulating and storing, and in the described pool of regulating and storing, forms successively grid area, wetland filter plant district, seepage flow filtering area along water body flow direction.
2. the dirty overflow water that mixes of early-stage rainwater according to claim 1 and rain is retained seepage flow facility, it is characterized in that: in described seepage flow filtering area, be provided with one and retain seepage flow dam, the described seepage flow dam that retains is formed by the gravel placement in layers of different-grain diameter, described in retain seepage flow dam top transmission coefficient be greater than the middle and lower part transmission coefficient of retaining seepage flow dam.
3. the dirty overflow water that mixes of early-stage rainwater according to claim 2 and rain is retained seepage flow facility, it is characterized in that: described in retain seepage flow dam from bottom to up successively placement in layers form middle sandy gravel stratum, powder fine sand gravel bed, middle sandy gravel stratum and coarse sand gravel bed, lay successively geotextiles, Reynolds mat at the described both sides dam facing of retaining seepage flow dam.
4. retain seepage flow facility according to the early-stage rainwater described in claim 2 or 3 and the dirty overflow water that mixes of rain, it is characterized in that: be provided with a seepage flow and cross filter core wall at the described seepage flow dam middle part of retaining, described seepage flow is crossed filter core wall and has groove and groove upstream and downstream side wall in the middle of being and have the reinforced concrete structure body of wall of porous, described reinforced concrete structure wall outer side is coated with geotextiles, fills out and be placed with packed filter packing in described groove.
5. the dirty overflow water that mixes of early-stage rainwater according to claim 4 and rain is retained seepage flow facility, it is characterized in that: the transmission coefficient of described packed filter packing is less than the transmission coefficient of retaining seepage flow dam being formed by gravel placement in layers.
6. the dirty overflow water that mixes of early-stage rainwater according to claim 1 and rain is retained seepage flow facility, it is characterized in that: in described grid area, be interval with coarse rack and the fine fack of catching rubbish refuse along water body flow direction, described fine fack is in the plane broken curve and arranges.
7. the dirty overflow water that mixes of early-stage rainwater according to claim 1 and rain is retained seepage flow facility, it is characterized in that: in described wetland filter plant district, be provided with successively emergent vegetation zone before emergent vegetation zone, some floating plant pieces, submerged plant band, dam along water body flow direction, the roundabout runner of the staggered formation in described floating plant block gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420068490.4U CN203755425U (en) | 2014-02-17 | 2014-02-17 | Initial rainwater and rainwater and pollutant mixed overflow water retaining and seepage facility |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420068490.4U CN203755425U (en) | 2014-02-17 | 2014-02-17 | Initial rainwater and rainwater and pollutant mixed overflow water retaining and seepage facility |
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| Publication Number | Publication Date |
|---|---|
| CN203755425U true CN203755425U (en) | 2014-08-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420068490.4U Expired - Lifetime CN203755425U (en) | 2014-02-17 | 2014-02-17 | Initial rainwater and rainwater and pollutant mixed overflow water retaining and seepage facility |
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| Country | Link |
|---|---|
| CN (1) | CN203755425U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103821218A (en) * | 2014-02-17 | 2014-05-28 | 广州市市政工程设计研究院 | Initial rainwater and mixed rain-sewage overflow water impounding sewage facility |
| CN105297872A (en) * | 2015-11-06 | 2016-02-03 | 厦门理工学院 | LID type city rainwater closed conduit with functions of water permeating, storing, purifying and draining |
| CN105714912A (en) * | 2016-02-05 | 2016-06-29 | 武汉圣禹排水系统有限公司 | Separate-system rainwater diversion, regulation and storage and treatment system |
| CN109205935A (en) * | 2018-09-28 | 2019-01-15 | 上海泽耀环保科技有限公司 | River discharge outlet sewage shuts off the artificial swamp of processing |
-
2014
- 2014-02-17 CN CN201420068490.4U patent/CN203755425U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103821218A (en) * | 2014-02-17 | 2014-05-28 | 广州市市政工程设计研究院 | Initial rainwater and mixed rain-sewage overflow water impounding sewage facility |
| CN103821218B (en) * | 2014-02-17 | 2015-11-25 | 广州市市政工程设计研究总院 | A kind of early-stage rainwater and rain dirt mixing overflow water retain seepage flow facility |
| CN105297872A (en) * | 2015-11-06 | 2016-02-03 | 厦门理工学院 | LID type city rainwater closed conduit with functions of water permeating, storing, purifying and draining |
| CN105714912A (en) * | 2016-02-05 | 2016-06-29 | 武汉圣禹排水系统有限公司 | Separate-system rainwater diversion, regulation and storage and treatment system |
| CN105714912B (en) * | 2016-02-05 | 2017-11-28 | 武汉圣禹排水系统有限公司 | A kind of rainwater shunting of separate system, regulate and store and processing system |
| CN109205935A (en) * | 2018-09-28 | 2019-01-15 | 上海泽耀环保科技有限公司 | River discharge outlet sewage shuts off the artificial swamp of processing |
| CN109205935B (en) * | 2018-09-28 | 2021-08-20 | 上海泽耀环保科技有限公司 | Artificial wetland for river drainage outlet sewage interception treatment |
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