CN203741705U - Bridge surface runoff processing and emergency system - Google Patents
Bridge surface runoff processing and emergency system Download PDFInfo
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- CN203741705U CN203741705U CN201420086168.4U CN201420086168U CN203741705U CN 203741705 U CN203741705 U CN 203741705U CN 201420086168 U CN201420086168 U CN 201420086168U CN 203741705 U CN203741705 U CN 203741705U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 79
- 238000013461 design Methods 0.000 claims abstract description 30
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- 239000000463 material Substances 0.000 claims description 17
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- 102000010637 Aquaporins Human genes 0.000 claims description 5
- 108010063290 Aquaporins Proteins 0.000 claims description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 241000361919 Metaphire sieboldi Species 0.000 claims description 5
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- 229910052799 carbon Inorganic materials 0.000 claims description 5
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 5
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Abstract
The utility model provides a bridge surface runoff processing and emergency system which is composed of a flow dividing pond, an adjustment-emergency pond, a flow smoothing setting pond and a bacteria filter, wherein the flow dividing pond, the adjustment-emergency pond, the flow smoothing setting pond and the bacteria filter are sequentially connected. A flow dividing pond overflowing weir is arranged in the flow dividing pond, when the water level in the adjustment-emergency pond reaches an earlier-stage runoff collecting design water line, water entering the flow dividing pond flows into a later-period runoff water drainage pipe through the flow dividing pond overflowing weir, and rainwater-sewage separating of earlier-stage runoff and later-period runoff of the earlier-state bridge surface runoff is achieved. Space for collecting initial-stage runoff and space for collecting accident emergency runoff are designed in the adjustment-emergency pond at the same time. The adjustment-emergency pond is connected with the flow smoothing setting pond through a siphon, siphoning pumping is automatically formed through the siphoning effect, and the requirement of the flow smoothing setting pond for the flow speed of the inlet water can be met. The flow smoothing setting pond has the oil separating function and the setting function at the same time. The bacteria filter is a multi-layer medium system, and pollutants can be deeply processed through the physical filtering effect and the biological purification effect. According to the bridge surface runoff processing and emergency system, rainwater-sewage separating, accident emergency processing and deep processing of the bridge surface runoff can be achieved.
Description
Technical field
The utility model relates to rainwater-collecting processing technology field, relates in particular to a kind of deck runoff and processes and emergency system.
Background technology
Along with road traffic is built fast development, build floor space for reducing, facilitate region sexual intercourse logical, weaken the impact on surrounding environment simultaneously, overpass bridge, viaduct, crossing bridge are laid more and more.The unprocessed water body such as rivers, lake that directly enters of deck runoff, can produce impact in various degree to receiving water body water quality, and deck runoff collection and treatment device should be set.The Functional Design of deck runoff collection processing system implementing technique is mainly for following two aspects: one, the conventional deck runoff that the oil mass of revealing when the pollutant being scattered when the earth of adhesive tape, car brakeing on the particulate of the contaminant deposition of emission from vehicles, auto tire wear, vehicle frame on road surface and vehicle operating are not good etc. produces with rainfall.Its two, deliver the vehicle of all kinds of dangerous material and poisonous and harmful article, in the time of occurrence risk accident, the accident deck runoff that poisonous and harmful substance forms.
Deck runoff collection processing system implementing of the prior art; the main correlation processing technique that adopts physical action; as utility model patent---deck runoff collection and treatment and emergency system (patent No.: ZL201320441659.1); its main functionality is to regulate Runoff in early stage, oil removal and deposit seed suspension; the rate of removing to pollutants such as COD (COD), BOD (BOD), heavy metals is not high, is difficult to especially reach the protection responsive waters requirement of having relatively high expectations.Have relatively high expectations across waters receiving water body water quality protection for institute; the long-living conventional deck runoff of bridge that bridge is always grown across footpath; need to strengthen COD, BOD, heavy metal element treatment effect, otherwise, may produce harmful effect to a certain degree to receiving water body water quality.
Therefore; design adopts COD, BOD in rainfall runoff in early stage that specific aim processes conventional deck runoff, the structure processing unit of heavy metal; and according to the water quality protection requirement of receiving water body, combined serial becomes follow-on deck runoff collection processing system implementing that meets the water treatment degree of depth.
Utility model content
For the problem existing in correlation technique, the purpose of this utility model is to provide a kind of deck runoff to process and emergency system, to realize the footpath diverting flow in deck runoff early stage and later stage.
For achieving the above object, the utility model provides a kind of deck runoff to process and emergency system.
This deck runoff is processed and is made up of the shunting pond, adjusting-emergency lagoon, horizontal sedimentation tank and the bio filter that are connected successively with emergency system.Wherein, on described shunting pond, be provided with water inlet pipe, shunting pond and adjusting-emergency lagoon tube connector and later stage runoff outlet pipe; Described later stage runoff outlet pipe is provided with shunting pond control valve; In described shunting pond, be provided with shunting pond overflow weir, described shunting pond height of weir plate is lower than outer, described shunting pond, and with early stage runoff collect that design water level line is flat highly to be equated; Described shunting pond is connected shunting pond and adjusting-emergency lagoon with adjusting-emergency lagoon tube connector; Wherein, between described adjusting-emergency lagoon and described horizontal sedimentation tank, connect by syphon; Described siphonal water inlet is arranged at described adjusting-emergency lagoon bottom; Described siphonal delivery port is arranged in the horizontal sedimentation tank overflow weir of described horizontal sedimentation tank inhalant region.
According to the utility model, on syphon, be provided with control valve.
According to the utility model, the inhalant region in horizontal sedimentation tank and exhalant region are respectively arranged with horizontal sedimentation tank overflow weir, on horizontal sedimentation tank overflow weir, overflow baffle are housed.
According to the utility model, oil separating plate is set in horizontal sedimentation tank, oil separating plate is perpendicular to the sewage water (flow) direction in horizontal sedimentation tank, be fixed in two sidewalls parallel with horizontal sedimentation tank sewage water (flow) direction, oil separating plate below and horizontal sedimentation tank bottom surface were separately to form aquaporin, oil separating plate top is higher than horizontal sedimentation tank peak level, and wherein, horizontal sedimentation tank connects bio filter by pipeline.
According to the utility model, adjusting-emergency lagoon bottom arranges adjusting-emergency lagoon atmospheric valve, and adjusting-emergency lagoon atmospheric valve is arranged in adjusting-emergency lagoon valve well.
According to the utility model, horizontal sedimentation tank bottom arranges sedimentation basin atmospheric valve, and sedimentation basin atmospheric valve is arranged in sedimentation basin valve well.
According to the utility model, in bio filter, water inlet end arranges water distributing area, and bio filter is multilayer dielectricity system.From top to bottom, first floor plantation layer, thickness is 18cm～35cm, is mainly near the planting soil of engineering and mixes with turfy soil, volume ratio is 1:0.5-1.3, by 4-8 strain/m
2plantation pteridophyte, and press 200-800 bar/m
2throw in earthworm; The second layer is blocking-up capillary water layer, and thickness 8-15cm, is made up of particle diameter 10cm-20cm rubble or cobble; The 3rd layer is filter material layer I, and thickness is 25cm-35cm, is made up of the zeolite of particle diameter 1cm-3cm and the active carbon of particle diameter 1cm-2cm, and volume ratio is 1:0.3-0.8; Filter material layer II, thickness is 15cm-20cm, master is made up of the vermiculite of particle diameter 1cm-2cm; The 4th layer is guide layer, and thickness is 10-20cm, and the cobble that is 10-30cm by particle diameter forms.
Useful technique effect of the present utility model is:
One, the dirty shunting of early stage conventional deck runoff and later stage conventional bridge floor footpath rain, has reduced the sewerage treatment of deck runoff and has loaded.By shunting pond 5 and adjusting-emergency lagoon 9 tandem compounds, in the time that the water level in adjusting-emergency lagoon 5 reaches runoff collection in early stage design water level line 6, shunting pond intakes and flows into later stage runoff gutter 4 by shunting pond overflow weir 2, shunts early stage thereby realize deck runoff in earlier stage with the rain dirt of later stage runoff.
Two, utilize syphon to regulate the influent load of follow-up unit.When the water level in adjusting-emergency lagoon 9 is when early stage, runoff was collected design water level line 6, syphon 11 starts conveying the sewage of storage in adjusting-emergency lagoon 9 is started to flow into horizontal sedimentation tank 14 with mild stable flow, until deck runoff substantially all flows into horizontal sedimentation tanks 14 in adjusting-emergency lagoon 9, extend the water quality adjustment time of conventional deck runoff in adjusting-emergency lagoon 9.
Three, strengthening emergency function, multiple-protection measure reduces the impact of risk accidents.First, there is the accident condition of enough volume storages for adjusting-emergency lagoon 9, because adjusting-emergency lagoon possesses function emergent and that regulate simultaneously, and the priming level that syphon 11 need to be certain, thereby can automatically collect isolation accident runoff; Secondly, for the accident condition that exceedes adjusting-emergency lagoon storage ability, adjusting-emergency lagoon can be early stage emergency worker and reaches the spot and win certain rescue time, and by closing shunting pond outlet water control valve 20, make the waterline of adjusting-emergency lagoon 9 rise to adjusting-emergency lagoon maximum water level 7; Finally can also operate sedimentation basin atmospheric valve 15, thereby rapid emptying also significantly promotes the accident runoff storage ability of whole system.
Four, on horizontal sedimentation tank, be provided with overflow weir, oil separating plate.Overflow weir energy water distribution uniformity, horizontal sedimentation tank water inlet slowly, in pond, deck runoff presents plug-flow state stably, the oil separating plate arranging the is less than water material such as oils to density plays good isolated effect, and it is respond well that suspension (SS) is removed in horizontal sedimentation tank oil removal and sedimentation under low hydraulic load condition.
Five, bio filter advanced treating, can meet the very strict region requirement of drainage requirement, as water conservation district.Through front-end processing, the composition such as main remaining COD, BOD, dissolubility heavy metal ion in water, the processing load that has reduced bio filter 17 has reduced floor space, has avoided the filter tank that a large amount of SS cause to stop up simultaneously.Biological filter 17 is multilayer dielectricity system.From top to bottom, first floor plantation layer 22, plantation shade plant is also thrown in a certain amount of earthworm, on the one hand, absorption and crown_interception by photosynthesis of plant and medium together with microorganism cenobium, most of dissolubility heavy metal and COD are adsorbed and hold back, be absorbed degraded as required nutrients of biology such as plantation layer plant and earthworms; On the other hand, the earthworm of root system of plant and input can constantly be dredged multilayer dielectricity, has avoided land treatment technique to stop up and the stable operation of maintenance whole system.The second layer is blocking-up capillary water layer, mainly avoids a plantation layer loose and porous structure to occur that capillarity affects under current oozing by this layer is set; The 3rd layer is filter material layer, mainly formed by filter material layer I and filter material layer II, filter material layer I is mainly made up of zeolite and active carbon, zeolite and active carbon there is high adsorption capacity, adsorption capacity is large, adsorption rate is fast, can quick adsorption ammonia nitrogen, most of dissolubility COD and heavy metal.Filter material layer II master is made up of vermiculite, and vermiculite reserves are abundant, cheap, adsorption capacity is large, nontoxic to environment, can further adsorb residual gravity metal ion.Due to the non-standing of rainfall and the shunting in leading portion shunting pond, whole treatment system presents operation and alternating state to be moved, therefore biological filter can be in alternation of wetting and drying operational mode, the state of the mutual succession of the microorganism living environment of absorption in anaerobism and aerobic environment in filtration beds (filter material layer I and filter material layer II).This is conducive to Microbial denitrogenation dephosphorization, and in bio filter, the pure wet condition of microbial species analogy is abundant in addition, effectively in enhanced biodegradation ability.The 4th layer is guide layer, is mainly the cobble that particle diameter is larger, permeates the ground processing a clean deck runoff part by this layer is set, and a part is drawn qualified discharge.
Six, the self-purification function of the precipitation oil removal effect of load effect and horizontal sedimentation tank and the multilayered structure system of self setting is processed in the control that biological filter arranges shunting pond by leading portion, thereby avoids to greatest extent biological filter to occur stopping up even initiating system collapse.
The utlity model has and be applicable to runoff pollution characteristic, full weight power is controlled automatically, disposal ability is strong feature, its structure construction is simple, and construction cost is relatively low, and combined type design has greatly reduced the usable floor area in soil on the basis that ensures its disposal ability.The utility model is applicable to bridge two ends can use the less situation of land area.
Brief description of the drawings
Fig. 1 is the structural representation of deck runoff processing of the present utility model and emergency system;
Fig. 2 is the structural representation of shunting pond in Fig. 1;
Fig. 3 shunts the sectional view that ChiA-AChu intercepts in Fig. 2;
Fig. 4 shunts the sectional view that ChiB-BChu intercepts in Fig. 2;
Fig. 5 is the structural representation of adjusting-emergency lagoon and horizontal sedimentation tank in Fig. 1;
Fig. 6 is siphonal structural representation in Fig. 1;
Fig. 7 is the overflow weir schematic diagram of horizontal sedimentation tank in Fig. 1;
Fig. 8 is the structural representation of bio filter in Fig. 1;
In the drawings:
1, water inlet pipe; 2, shunting pond overflow weir; 3, shunting pond and adjusting-emergency lagoon tube connector; 4, later stage runoff outlet pipe; 5, shunting pond; 6, Initial Runoff is collected design water level line; 7, adjusting-emergency lagoon maximum water level; 8, adjusting-emergency lagoon atmospheric valve; 9, adjusting-emergency lagoon; 10, adjusting-emergency lagoon bypass channel; 11, syphon; 12, overflow weir; 13, oil separating plate; 14, horizontal sedimentation tank; 15, horizontal sedimentation tank atmospheric valve; 16, sedimentation basin and filtering ponds connecting pipe; 17, bio filter; 18, bio filter outlet pipe; 19, sedimentation basin maximum water level; 20, shunting pond control valve; 21, overflow weir baffle plate; 22, syphon control valve; 23, water distributing area; 24, plantation layer; 25, blocking-up capillary water layer; 26, filter material layer I; 27, filter material layer II; 28, guide layer; 29, plant; 30, plain native compacted lift.
Detailed description of the invention
Describing deck runoff of the present utility model referring now to accompanying drawing processes and emergency system.
Referring to figs. 1 through Fig. 8, deck runoff of the present utility model is processed and is made up of the shunting pond 5 being connected successively, adjusting-emergency lagoon 9, horizontal sedimentation tank 14 and bio filter 17 with emergency system, wherein, shunting is provided with water inlet pipe 1, shunting pond and adjusting-emergency lagoon tube connector 3 and later stage runoff outlet pipe 4 on pond 5, is provided with shunting pond overflow weir 2 in shunting pond 5.In addition, shunt pond overflow weir 2 height lower than shunting 5 outers, pond, and equate with runoff collection in early stage design water level line 6 level heights, described shunting pond is connected shunting pond 5 and adjusting-emergency lagoon 9 with adjusting-emergency lagoon tube connector 3.
Further, between adjusting-emergency lagoon 9 and horizontal sedimentation tank 14, connect by syphon 11.The water inlet of syphon 11 is arranged at adjusting-emergency lagoon 9 bottoms, and the delivery port of syphon 11 is arranged in the horizontal sedimentation tank overflow weir 12 of inhalant region of horizontal sedimentation tank 14.
In preferred embodiment of the present utility model, on syphon 11, can be provided with control valve 22.
In addition, above-mentioned inhalant region and exhalant region in horizontal sedimentation tank 14 are respectively arranged with horizontal sedimentation tank overflow weir 12, and overflow baffle 21 is housed on horizontal sedimentation tank overflow weir 12.
Optionally, in horizontal sedimentation tank 14, oil separating plate 13 can be set.Particularly, oil separating plate 13, along perpendicular to the sewage water (flow) direction in horizontal sedimentation tank 14, is fixed in two sidewalls parallel with horizontal sedimentation tank 14 sewage water (flow) directions.Further, oil separating plate 13 belows and horizontal sedimentation tank 14 bottom surfaces are separately to form aquaporin, and oil separating plate 13 tops are higher than the peak level of horizontal sedimentation tank 14, and horizontal sedimentation tank 14 is connected with bio filter 17 by pipeline 16.
Preferably, adjusting-emergency lagoon 9 bottoms can arrange adjusting-emergency lagoon atmospheric valve 8.And horizontal sedimentation tank 14 bottoms can arrange sedimentation basin atmospheric valve 15.
Now be described in conjunction with practical application of the present utility model.In an example, bridge is for example two-way six-lane, and bridge is long is 120m, and bridge is wide is 30m, i.e. catchment area F=120 × 30=3600m
2, design sewage run-off in early stage W1=catchment area F × rainfall thickness alpha=3600 × 0.01=36m
3(rainfall thickness alpha is taken as 1cm), bridge floor collection conduit is with reference to " water supply and drainage design manual (the 5th) " design, and calculating water inlet pipe 1 caliber is 400mm, and it is 420m that deck runoff is collected flow
3/ h.
In earlier stage sewage run-off W1(m
3), i.e. the water inventory for being collected by collecting pipe; Design accident emergency run-off W2(m
3), refer to while having an accident and need to collect the accident water volume of holding, with reference to the general value of speedway dangerous goods transport lorry freight volume be: 30～60m
3, choosing in this example W2 is 36m
3.
Adjusting-emergency lagoon maximum water level 7 designs, according to design sewage run-off W1 in early stage and the design of accident emergency run-off W2 sum, while reaching adjusting-emergency lagoon maximum water level 7, sewage run-off W1+ design in the water yield=early stage accident emergency run-off W2 of the storage of adjusting-emergency lagoon 9, adjusting-emergency lagoon 9 is of a size of length: wide: height=6m:6m:2.3m, wherein the height of Initial Runoff collection design water level line 6 is that 1m(collection sewage run-off in early stage is 36m
3), the design height of adjusting-emergency lagoon maximum water level 7 is that 2m(adjusting-emergency lagoon total collection is 72m
3), superelevation height is 0.3m.
The design in shunting pond 5 with reference to " combined flow system sewage catchpit design discipline " (CECS91:97), inside dimension is for long: wide: height=1m:1m:1.3m, the height of shunting pond overflow weir 2 is 0.8m, the caliber of shunting pond and adjusting-emergency lagoon tube connector 3 is 350mm, and the caliber of later stage runoff outlet pipe 4 is 400mm.
Shunting is provided with water inlet pipe 1, shunting pond and adjusting-emergency lagoon tube connector 3 and later stage runoff outlet pipe 4 on pond 5, is provided with shunting pond overflow weir 2 in shunting pond 5.In addition, shunt pond overflow weir 2 height lower than shunting 5 outers, pond, and equate with runoff collection in early stage design water level line 6 level heights, described shunting pond is connected shunting pond 5 and adjusting-emergency lagoon 9 with adjusting-emergency lagoon tube connector 3.In the time that the water level in adjusting-emergency lagoon 5 reaches runoff collection in early stage design water level line 6, shunting pond intakes and flows into later stage runoff gutter 4 by shunting pond overflow weir 2, shunts early stage thereby realize deck runoff in earlier stage with the rain dirt of later stage runoff
Syphon 11 water inlets are arranged at adjusting-emergency lagoon 9 bottoms, and syphon 11 delivery ports are arranged in horizontal sedimentation tank 14, and syphon 11 design height positions are that Initial Runoff is collected design water level line 6, and the setting height of syphon 10 is 1m.The anti-syphon 11 water flow Q1 that push away, according to siphon principle, at two liquid levels, definite in the situation that, flow velocity is for relatively constant, and the emptying time (being generally taken as >=3h) that the large I of the caliber of syphon 10 needs according to adjusting-emergency lagoon 7 calculates syphon 11 sectional areas.In this example, getting emptying time is that 3h calculates two groups of syphons 11 that diameter is 40mm of needs.
Horizontal sedimentation tank 14, adopts the design of parallel pulling flow type, the entirety structure that is rectangle, aspect ratio with reference to design specifications (" Code for design of outdoor sewerage engineering " (GB50014-2006), aspect ratio should not be less than 4, and length should not be greater than 60m, and getting surface loading is 0.6m3/ (m
2h)), horizontal sedimentation tank 14 effective areas=syphon maximum instantaneous water flow/horizontal sedimentation tank surface loading=18.8/0.6=30m
2, long: wide: height=12m:2.5m:1.3m.
In horizontal sedimentation tank 14, be provided with horizontal sedimentation tank overflow weir 12 and oil separating plate 13 simultaneously.Horizontal sedimentation tank overflow weir 12 arrange object be the sewage that flows into of syphon 10 can be equably in horizontal sedimentation tank overflow weir 12 through baffle plate 21 water distributions, thereby horizontal sedimentation tank 14 is well operated, reach good sedimentation effect, the object that arranges of oil separating plate 13 is to make horizontal sedimentation tank 14 have oil removal function concurrently.The setting of oil separating plate 13, perpendicular to the sewage water (flow) direction in horizontal sedimentation tank 14, is fixed in two sidewalls parallel with horizontal sedimentation tank 14 sewage water (flow) directions.There is certain distance (can determine according to concrete service condition) oil separating plate 13 distance horizontal sedimentation tank 14 bottom surfaces, below to form aquaporin, oil separating plate 13 tops exceed horizontal sedimentation tank 14 peak level certain altitudes (can determine according to concrete service condition), make the suspensions such as oils can be trapped within the interior of horizontal sedimentation tank 14 and be difficult to sink passed through aquaporin flow out.
Horizontal sedimentation tank 14 connects bio filter 17 by pipeline (channel) 16.From top to bottom, first floor plantation layer 24, thickness is 18cm～35cm, is mainly near the planting soil of engineering and mixes with turfy soil, volume ratio is 1:0.5-1.3, by 1-2 strain/m
2plantation pteridophyte, and press 500-800 bar/m
2throw in earthworm; The second layer is blocking-up capillary water layer 25, and thickness 8-15cm, is made up of particle diameter 10cm-20cm rubble or cobble; The 3rd layer is filter material layer I 26, and thickness is 25cm-35cm, is made up of the zeolite of particle diameter 1cm-3cm and the active carbon of particle diameter 1cm-2cm, and volume ratio is 1:0.3-0.8; Filter material layer II 27, thickness is 15cm-20cm, is mainly made up of the vermiculite of particle diameter 1cm-2cm; The 4th layer is guide layer 28, and thickness is 10-20cm, and the cobble that is 10-30cm by particle diameter forms.
Reveal and on bridge pavement, form runoff when dangerous substances such as system are during in emergent accident treatment state, poisonous and harmful.First, there is the accident condition of enough volume storages for adjusting-emergency lagoon 9, because adjusting-emergency lagoon possesses function emergent and that regulate simultaneously, and the priming level that syphon 11 need to be certain, thereby can automatically collect isolation accident runoff; Secondly, for the accident condition that exceedes adjusting-emergency lagoon storage ability, adjusting-emergency lagoon can be early stage emergency worker and reaches the spot and win certain rescue time, and by closing shunting pond outlet water control valve 20, make the waterline of adjusting-emergency lagoon 9 rise to adjusting-emergency lagoon maximum water level 7; Finally can also operate sedimentation basin atmospheric valve 15, thereby rapid emptying also significantly promotes the accident runoff storage ability of whole system.
In one embodiment, the initial stage sewage runoff design flow of inlet water of adjusting-emergency lagoon 9, is calculated as 420m according to heavy rain formula
3/ h, adopts shunting pond 5 to shunt and utilize adjusting-emergency lagoon 9 to regulate instantaneous delivery.The effective area of horizontal sedimentation tank 14 can be 30m
2, and horizontal sedimentation tank is set separately in the prior art, (horizontal sedimentation tank surface loading is 0.6m to reach same load-bearing capacity
3/ (m
2h)) need to take up an area 700m
2.Visible, adopt after system of the present utility model and make horizontal sedimentation tank floor space reduce 96%.
In practical application of the present utility model; the SS of intaking after measured reaches 478mg/L, and COD is 90mg/L, and water outlet is that SS is that 9mg/L(removal efficiency is 98%); COD is that 11mg/L(removal efficiency is 90%), reach drinking water earth surface water source first class of protection district water quality requirement.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (7)
1. deck runoff is processed and an emergency system, it is characterized in that, described deck runoff is processed with emergency system and is made up of the shunting pond (5) being connected successively, adjusting-emergency lagoon (9), horizontal sedimentation tank (14) and bio filter (17);
Wherein, on described shunting pond (5), be provided with water inlet pipe (1), shunting pond and adjusting-emergency lagoon tube connector (3) and later stage runoff outlet pipe (4), described later stage runoff outlet pipe (4) is provided with shunting pond control valve (20), in described shunting pond (5), be provided with shunting pond overflow weir (2), described shunting pond overflow weir (2) height is lower than outer, described shunting pond (5), and equate with runoff collection in early stage design water level line (6) level height, described shunting pond is connected shunting pond (5) and adjusting-emergency lagoon (9) with adjusting-emergency lagoon tube connector (3),
Wherein, between described adjusting-emergency lagoon (9) and described horizontal sedimentation tank (14), connect by syphon (11), the water inlet of described syphon (11) is arranged at described adjusting-emergency lagoon (9) bottom, and the delivery port of described syphon (11) is arranged in the horizontal sedimentation tank overflow weir (12) of inhalant region of described horizontal sedimentation tank (14).
2. deck runoff according to claim 1 is processed and emergency system, it is characterized in that,
On described syphon (11), be provided with siphon control valve (22).
3. deck runoff according to claim 1 is processed and emergency system, it is characterized in that,
Described inhalant region in described horizontal sedimentation tank (14) and exhalant region are respectively arranged with described sedimentation basin overflow weir (12), and overflow baffle (21) is housed on horizontal sedimentation tank overflow weir (12).
4. deck runoff according to claim 1 is processed and emergency system, it is characterized in that,
Oil separating plate (13) is set in described horizontal sedimentation tank (14), described oil separating plate (13) is perpendicular to the sewage water (flow) direction in described horizontal sedimentation tank (14), be fixed in two sidewalls parallel with described horizontal sedimentation tank (14) sewage water (flow) direction, described oil separating plate (13) below is with described horizontal sedimentation tank (14) interval, bottom surface to form aquaporin, and described oil separating plate (13) top is higher than described sedimentation basin maximum water level (19);
Wherein, described horizontal sedimentation tank (14) is connected described bio filter (17) by sedimentation basin with filtering ponds connecting pipe (16).
5. deck runoff according to claim 1 is processed and emergency system, it is characterized in that,
Described adjusting-emergency lagoon (9) bottom arranges adjusting-emergency lagoon atmospheric valve (8).
6. deck runoff according to claim 1 is processed and emergency system, it is characterized in that,
Described horizontal sedimentation tank (14) bottom arranges sedimentation basin atmospheric valve (15).
7. deck runoff according to claim 1 is processed and emergency system, it is characterized in that,
Described bio filter (17), water inlet end arranges water distributing area (23), bio filter (17) is multilayer dielectricity system, from top to bottom, first floor plantation layer (24), thickness is 18cm～35cm, for planting soil mixes with turfy soil, volume ratio is 1:0.5-1.3, plants pteridophyte by 4-8 strain/m2 kind, and presses 200-800 bar/m2 and throw in earthworm; The second layer is blocking-up capillary water layer (25), and thickness 8-15cm, is made up of particle diameter 10cm-20cm rubble or cobble; The 3rd layer is filter material layer I (26), and thickness is 25cm-35cm, is made up of the zeolite of particle diameter 1cm-3cm and the active carbon of particle diameter 1cm-2cm, and volume ratio is 1:0.3-0.8; Filter material layer II (27), thickness is 15cm-20cm, master is made up of the vermiculite of particle diameter 1cm-2cm; The 4th layer is guide layer (28), and thickness is 10-20cm, and the cobble that is 10-30cm by particle diameter forms; Bottom, bio filter is plain native compacted lift (30), adopts mechanical ramming.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420086168.4U CN203741705U (en) | 2014-02-27 | 2014-02-27 | Bridge surface runoff processing and emergency system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420086168.4U CN203741705U (en) | 2014-02-27 | 2014-02-27 | Bridge surface runoff processing and emergency system |
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| CN203741705U true CN203741705U (en) | 2014-07-30 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104878690A (en) * | 2014-02-27 | 2015-09-02 | 湖南省交通科学研究院 | Runoff processing and emergency system for bridge floor |
| CN104911998A (en) * | 2015-02-03 | 2015-09-16 | 交通运输部科学研究院 | Unpowered bridge deck runoff collection treatment system |
-
2014
- 2014-02-27 CN CN201420086168.4U patent/CN203741705U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104878690A (en) * | 2014-02-27 | 2015-09-02 | 湖南省交通科学研究院 | Runoff processing and emergency system for bridge floor |
| CN104911998A (en) * | 2015-02-03 | 2015-09-16 | 交通运输部科学研究院 | Unpowered bridge deck runoff collection treatment system |
| CN104911998B (en) * | 2015-02-03 | 2017-01-25 | 交通运输部科学研究院 | Unpowered bridge deck runoff collection treatment system |
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