A kind of environmentally friendly collection and purification system of across rivers bridge floor sewage/wastewaters
Technical field
The utility model relates to technical field of bridge engineering, in particular to a kind of ring of across rivers bridge floor sewage/wastewaters
Protect collection and purification system.
Background technique
Under normal circumstances, across rivers bridge rainwater can be directly discharged into rivers by bridge floor or the Fence structure aperture of bridge two sides,
But for across the rivers bridges in water conservation district range, bridge floor rainwater is not directly discharged into rivers, needs to pass through receipts
Collecting system discharges after entering two sides sedimentation basin precipitating.
Common three kinds of rainwater-collectings mode Shortcomings in engineering.One is make rain by Fence structure aperture on the outside of bridge
The mouth of a river is accessed bridge two sides hanging tube by connecting tube, is finally transferred in ashore storm-water system, this set system is collected and turned using hanging tube
Defeated, hanging tube caliber increases with the increase for collecting amount of rainfall, and pipeline is difficult to install fixation, and influences the whole beautiful effect of bridge
Fruit;A kind of mode is the collection transfer tunnel using the sectional space under bridge floor side walk slab as bridge floor rainwater, but which
The problems such as difficult in maintenance, is dredged clearly in the pipelining spaces of other professions such as that there are section conveyance capacities is low, occupies electric power, telecommunications;
Another way be for across rivers apart from it is short in the case of, engineering do not consider be arranged rainwater-collecting facility, rainwater along bridge floor longitudinal direction
Direct current is to two sides, should by near bridge foot on the bank or the inlet for stom water for end setting of leading the way is collected and enters surface drainage system on the bank
Mode be easy to cause bridge foot or end ponding nearby of leading the way.
And the set-up mode of bridge two sides sedimentation basins is usually the only lesser tank of allocation scale at present.Due to bridge floor rainwater
Pollutant concentration is high, and the sedimentation effect in general pond is bad, and the water quality after leading to rainwater Direct precipitation is poor, it is in line enter water head site
Certain pollution can be brought;Accident occurs on bridge for hazardous materials transportation vehicle to topple over, leak waste water or poisonous and harmful liquid
When body, usually not corresponding mating treatment facility or auxiliary facility are not easy to manage and operate, so that the bridge of actual use
There is liquid dangerous material to leak into for beam bridge floor, pollutes the larger hidden danger of local water head site polluted source, vegetation.
Utility model content
In view of the above technical problems, the environmental protection that the utility model provides a kind of across rivers bridge floor sewage/wastewaters is collected net
Change system reduces deck runoff amount, avoids ponding at access bridge ground plane, while can cope with to promote bridge floor sewage/wastewater collection rate
Handling hazardous shipment vehicle, there is a situation where accidents to topple on bridge, leakage waste water or poisonous and harmful liquid, avoid waste water or
Poisonous and harmful liquid flows into rivers from across river section bridge floor and pollutes.
Used technical solution to solve above-mentioned technical problem: a kind of environmental protection of across rivers bridge floor sewage/wastewaters is received
Collect purification system, including collect subsystem comprising oblique semi open model diversion trench, U-shaped rhone and downpipe, the oblique
Semi open model diversion trench is arranged on bridge floor, and setting direction and bridge longitudinal direction oblique, the U-shaped rhone setting
Below the water outlet of oblique semi open model diversion trench, the upper end of the downpipe is connected to the end of U-shaped rhone;And purification point
System comprising adjusting sedimentation basin, aerated grit chamber, medicament storage pond, hazardous chemical temporarily stores pond, precipitating sludge temporarily stores up
Deposit pond and ecological tank, the lower end connection for adjusting sedimentation basin and downpipe, the adjusting sedimentation basin and aerated grit chamber
Between be provided with into water and control lock, the adjustings sedimentation basin is connect by pipeline with municipal sewage system, and described be aerated is sunk
Sand pond is connect by pipeline with ecological tank.
Further, precipitation strength device and riffler are provided in the adjusting sedimentation basin.
Further, it is equipped with effluent trough in the adjusting sedimentation basin, liquidometer is equipped in the effluent trough and promotes water pump.
Further, air compressor machine and mating air hose facility are provided in the aerated grit chamber.
Further, the medicament storage pond and hazardous chemical, which are temporarily stored in pond, is provided with liquidometer and dosing pump.
Further, the ecological tank includes pond body, and the inner wall of the pond body is laid with geotextiles, in the pond body
Equipped with filtering barricade panel, pond body is divided into coarse sand rubble pond and the ecological purification water storage pool by the filtering barricade panel, described
It filters barricade panel and is equipped with multiple spaced apart unidirectional mouths of a river excessively, coarse sand rubble pond passes through pipeline and aerated grit chamber
Connection.
Further, biofilm contact purification facility, water plant and aquatic dynamic are equipped in the ecological purification water storage pool
Object.
Further, the oblique semi open model diversion trench is made of deck profile grade with the overfall that bridge floor is arranged in.
Further, the setting direction of the oblique semi open model diversion trench is deck transverse slope numerical value and the arrow that direction forms
New direction vector synthesized by the vector that amount is formed with longitudinal slope numerical value and direction.
Further, the edge of the bridge floor is equipped with hollow pavement, and the oblique semi open model diversion trench is located at people
The lower section on trade;The side on the pavement is equipped with kerbstone, and the kerbstone is equipped with inlet for stom water, is equipped with lattice in the inlet for stom water
Grid.
Compared with prior art, the utility model has the following beneficial effects:
1, it collects subsystem and bridge floor rainwater is collected using oblique semi open model diversion trench, improve bridge deck rainwater collecting rate,
Deck runoff amount can be effectively reduced, ponding at access bridge ground plane is avoided;On the other hand, oblique semi open model diversion trench is set to bridge
Under dough figurine trade, oblique semi open model diversion trench occupancy pavement sectional space is less, does not influence the laying of other special pipelines, people
Space under trade will not form ponding because of pavement face rain leakage.Turned in addition, collecting subsystem using U-shaped rhone
Defeated rainwater enhances conveyance capacity compared to pipeline, realizes that bridge span river section rainwater transfers over long distances, facility is easily installed and shape
It is beautiful.
2, the utility model is usually used for bridge deck rainwater collecting and transfers, when the rainwater of collection contains earth's surface pollutant,
Dosing is chosen whether after rainwater is overregulated the purified treatment of sedimentation basin and aerated grit chamber according to pollutant concentration to enter
Ecological tank temporarily stores, and can be used for bridge floor greening, the greening of bridge side, bridge floor are poured and spilt and as emergency water when occurring accident
Source;When happen suddenly liquid dangerous material leakage accident when, can be used as accident emergency facility, liquid dangerous material collected and transferred on the bank
Purification subsystem facilitate transhipment or municipal wastewater of plugging into after adjusting the appropriate dosing purified treatment of sedimentation basin, interim storage
System is for further processing.
The utility model can realize the purification and emergency processing to bridge floor rainwater, waste water, liquid dangerous material, processing system letter
Single, guarantee degree is high, and high-efficient, effect is good.
Detailed description of the invention
The utility model is described further with reference to the accompanying drawings and examples:
Fig. 1 is the systematic schematic diagram of the utility model embodiment;
Fig. 2 is the plan view that subsystem is collected in the utility model embodiment;
Fig. 3 is the transverse cross that subsystem is collected when bridge floor is equipped with pavement in the utility model embodiment;
The transverse cross of subsystem is collected when Fig. 4 is the unmanned trade of bridge floor in the utility model embodiment;
Fig. 5 is that (overfall is masonry shape for the transverse cross of oblique semi open model diversion trench in the utility model embodiment
Formula);
Fig. 6 is that (overfall is built-in fitting for the transverse cross of oblique semi open model diversion trench in the utility model embodiment
Form);
Fig. 7 is the bottom plan view that subsystem (ecological tank is not shown) is purified in the utility model embodiment;
Fig. 8 is the lower flat figure that subsystem (ecological tank is not shown) is purified in the utility model embodiment;
Fig. 9 is the upper plane figure that subsystem (ecological tank is not shown) is purified in the utility model embodiment;
Figure 10 is A-A sectional view of the Fig. 7 into Fig. 9 in the utility model embodiment;
Figure 11 is B-B sectional view of the Fig. 7 into Fig. 9 in the utility model embodiment;
Figure 12 is the structural schematic diagram of ecological tank in the utility model embodiment.
Specific embodiment
Referring to figs. 1 to Figure 12, the utility model is a kind of environmentally friendly collection and purification system of across rivers bridge floor sewage/wastewaters
System, comprising: collect subsystem comprising oblique semi open model diversion trench 1, U-shaped rhone 2 and downpipe 3, oblique semi open model
Diversion trench 1 is arranged on bridge floor, and setting direction and bridge longitudinal direction oblique, and the U-shaped setting of rhone 2 is half-open in oblique
Below the water outlet for putting formula diversion trench 1, the upper end of downpipe 3 is connected to the end of U-shaped rhone 2;And purification subsystem comprising
Adjusting sedimentation basin 14, aerated grit chamber 15, medicament storage pond 16, hazardous chemical temporarily stores pond 17, precipitating sludge temporarily stores
Pond 18 and ecological tank 19, adjust sedimentation basin 14 and connect with the lower end of downpipe 3, adjust sedimentation basin 14 and aerated grit chamber 15
Between be provided with into water and control lock 20, adjust sedimentation basin 14 and connect with municipal sewage system by pipeline, aerated grit chamber
15 are connect by pipeline with ecological tank 19.
It collects subsystem to be arranged on crossing-fiver bridge, crossing-fiver bridge includes pontic 9 and bridge pier 10, the bridge floor two sides of pontic 9
It is driveway 11 between two sides pavement 7 equipped with pavement 7.The outside on pavement 7 is equipped with fence 12, and fence 12 is located at pontic 9
The edge of bridge floor two sides.Support column 13 is equipped with below pavement 7, pavement 7 is laid on support column 13, makes 7 lower section of pavement
Hollow space is formed, the side of the corresponding driveway 11 in pavement 7 is equipped with kerbstone 8, is provided with multiple inlets for stom water 4 on kerbstone 8.
Inlet for stom water 4 uses side entering type, and section is rectangle, allows the runoff depth of water, rainwater-collecting range computation according to bridge floor
It is set on kerbstone 8 after displacement with a fixed spacing, bridge floor rainwater is flowed into from inlet for stom water 4.Be provided in inlet for stom water 4 grid 5 with
The floating materials such as catching rubbish.Inlet for stom water 4 is followed by oblique semi open model diversion trench 1.
The setting direction of oblique semi open model diversion trench 1 is deck transverse slope numerical value and vector a and longitudinal slope number that direction forms
New vector C direction (referring to Fig. 2) synthesized by value and the vector b of direction composition, and bridge middle line oblique, bridge floor in this direction
The gradient is ruling grade.Therefore, rainwater will be fully entered inlet for stom water 4 by this direction of maximum slope, and the basic rainwater that solves is in rainwater
The problem of crossing before mouth 4 without entering avoids more rainwater from continuing to cause downstream ponding along bridge floor longitudinal direction runoff.
Referring to Fig. 2 to Fig. 3, oblique semi open model diversion trench 1 is located at 7 lower section of pavement, and section is identical as inlet for stom water 4, tiltedly
Form of fracture is closed when semi open model diversion trench 1 being handed over to pass through fence 12 on the outside of bridge, after stretching out fence 12, is exported curved with 90 °
Slot mode accesses U-shaped rhone 2 downward vertically.In addition, referring to Fig. 4, if the bridge floor two sides across rivers bridge are without pavement 7,
Collect subsystem inlet for stom water 4 be set to fence 12 bottom, oblique semi open model diversion trench 1 pass through 12 bottom of fence after outlet with
90 ° of curved groove modes access U-shaped rhone 2 downward vertically.
Oblique semi open model diversion trench 1 is made of deck profile grade with the overfall 6 that bridge floor is arranged in, and oblique semi open model is led
Form of fracture of the chute 1 under pavement 7 be it is open, i.e., only the side Cheng Shui be arranged overfall 6, the other side and top surface take
Disappear, in the space under pavement 7, using deck profile grade, rainwater is made to be guided to downstream by overfall 6.Oblique semi open model is led
6 height of overfall of chute 1 is identical as inlet for stom water 4, occupies pavement down space less as far as possible while guaranteeing diversion effect, no
Influence the laying of other special pipelines.6 way of overfall, which can be used, sets masonry or built-in fitting form (referring to figure 5 and figure 6), built-in fitting
L-type component can be used.
U-shaped rhone 2 is arranged on the outside of across river bridge fence 12, and section is U-shaped, and section width meets appearance requirement, height
It is calculated and is determined according to flow and the gradient.The gradient of U-shaped rhone 2 follows bridge head fall to change.U-shaped rhone 2 is from across rivers
Duan Zhongyang starts to be arranged to two sides respectively, extends to until connecing downpipe 3 on the bank, collects oblique semi open model water conservancy diversion along the line
The rainwater or waste liquid of 1 water conservancy diversion of slot.U-shaped rhone 2 is easily installed compared to previous suspension round pipe facility, and shape is more attractive,
Especially enhance conveyance capacity, it is easier to realize transferring for across rivers section bridge floor rainwater long ranges.
3 upper end of downpipe is connected to the end of U-shaped rhone 3, and be close to 9 bottom surface of pontic, 10 outer wall of bridge pier is hung, lower termination
Enter to be located at the purification subsystem on ground, be connected to sedimentation basin 14 is adjusted.3 caliber of downpipe is determined by flow rate calculation.
By the connection between each component, across rivers bridge rainwater (or liquid dangerous material reveal liquid) are collected through inlet for stom water 4,
1 water conservancy diversion of oblique semi open model diversion trench, U-shaped 2 long range of rhone are transferred, finally by downpipe 3 access purification subsystem into
Row purified treatment, avoiding across rivers section bridge floor rainwater (or liquid dangerous material leakage liquid), inflow rivers pollute, and reduce
Deck runoff rainwater and access bridge connect the ponding at ground on the bank.
Sedimentation basin 14 is adjusted to be mainly used for storage, adjust rainwater/waste water from bridge floor, bottom is provided with riffler,
For precipitating huge sand grains.It adjusting and is divided into two sections of adjusting spaces in sedimentation basin 14, leading portion adjusts space and is mainly used for adjusting into water,
Back segment adjusts space and is provided with precipitation strength device 21, temporarily stores pond 17 toward adjusting by medicament storage pond 16 and hazardous chemical
Delivering medicament drug in sedimentation basin 14 removes CODcr, BOD in water removal5, the pollutants such as ammonia nitrogen and first rain polluted heavy metals, after precipitating
Sludge enters the interim storage pool 18 of precipitating sludge and stores, and is handled by the periodically outward transport of qualified unit.In addition, adjusting sedimentation basin
It is equipped with effluent trough 22 in 14, liquidometer 23 is equipped in effluent trough and promotes water pump 24, for assisting water inlet.
Aerated grit chamber 15 mainly removes the organic contaminations such as sand and the part CODcr in rainwater/waste water using aeration mode
Object.Air compressor machine and mating air hose facility 25 are provided in aerated grit chamber 15 to realize aeration.
Medicament storage pond 16 and hazardous chemical, which are temporarily stored, is provided with liquidometer 23 and dosing pump 26 in pond 17.Liquidometer
23 are used for the surplus of medicament drug in detection cell body so that medicament drug is replenished in time, and dosing pump 26 is for throwing medicament drug
It is put into and adjusts in sedimentation basin 14.
Ecological tank 19 includes pond body, and the inner wall of pond body is laid with geotextiles 27, and geotextiles can enhance the structure of pond body
Stability, and improve soil body quality;Filtering barricade panel 28 is equipped in pond body, pond body is divided into coarse sand by filtering barricade panel 28
Rubble pond 29 and the ecological purification water storage pool 30, filtering 28 plate of barricade face are equipped with multiple spaced apart unidirectional mouths of a river 31 excessively, slightly
Sand rubble pond 29 is connect by pipeline with aerated grit chamber 15, and biofilm contact purification facility is equipped in the ecological purification water storage pool 30
32, water plant and aquatic animal.The water body transferred from aerated grit chamber 15 to coarse sand rubble pond 29 is made after further filtering, and leads to
It crosses the unidirectional mouth of a river 31 of crossing to enter in the ecological purification water storage pool 30 and temporarily store, and can be used for bridge floor greening, the greening of bridge side, bridge floor
It pours and spills and as municipal water supply when occurring accident.
The rainfall for starting season for the rainfall once in a while in dry season and storm period, since earth's surface pollutant accumulation and runoff are dirty
It is higher to contaminate object concentration, using full-range purification and storage facility, by purified rainwater storage in ecological tank 19.For
Heavy rain later period in season duration of raining, because earth's surface pollution has frequently been washed away via prophase programming, so that Runoff contaminants concentration is not high,
It is proposed with and adjusts sedimentation basin 14, the purification of aerated grit chamber 15, do not add medicament, enter in ecological tank 19 after purification and store up
It deposits.When bridge floor causes danger product leakage accident, bridge floor spillage risk product and corresponding flushing water are laggard through collection subsystem collection
Enter into adjusting sedimentation basin 14 and store, flocculation sedimentation medicament and respective type dangerous material wastewater treatment medicine are added by dosing pump 26
Agent opens water outlet valve behind the door after the processing of precipitation strength device 21, and it is subsequent that gravity flow enters municipal sewage system progress
Processing, the effluent part do not enter ecological tank 19.
Purification subsystem can realize purification and emergency processing to bridge floor rainwater, waste water, liquid dangerous material, processing system letter
Single, guarantee degree is high, and high-efficient, effect is good.
The embodiments of the present invention is explained in detail above in conjunction with attached drawing, but the utility model is not limited to
State embodiment, within the scope of knowledge possessed by those of ordinary skill in the art, can also do not depart from it is practical
Various changes can be made under the premise of novel objective.