CN109098255A - Bridge floor initial rainwater collection processing method and system - Google Patents

Bridge floor initial rainwater collection processing method and system Download PDF

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Publication number
CN109098255A
CN109098255A CN201811022094.7A CN201811022094A CN109098255A CN 109098255 A CN109098255 A CN 109098255A CN 201811022094 A CN201811022094 A CN 201811022094A CN 109098255 A CN109098255 A CN 109098255A
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CN
China
Prior art keywords
initial rainwater
bridge floor
rainwater
water
equipment
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Pending
Application number
CN201811022094.7A
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Chinese (zh)
Inventor
唐宁远
杨文�
宁静
李波
汪良珠
周腾耀
李进
阮键华
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Hunan Dachen Environmental Protection Technology Co Ltd
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Hunan Dachen Environmental Protection Technology Co Ltd
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Application filed by Hunan Dachen Environmental Protection Technology Co Ltd filed Critical Hunan Dachen Environmental Protection Technology Co Ltd
Priority to CN201811022094.7A priority Critical patent/CN109098255A/en
Publication of CN109098255A publication Critical patent/CN109098255A/en
Pending legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F1/00Methods, systems, or installations for draining-off sewage or storm water
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00Multistage treatment of water, waste water or sewage
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F5/00Sewerage structures
    • E03F5/04Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
    • E03F5/06Gully gratings
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F5/00Sewerage structures
    • E03F5/10Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
    • E03F5/103Naturals or landscape retention bodies, e.g. ponds
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F5/00Sewerage structures
    • E03F5/14Devices for separating liquid or solid substances from sewage, e.g. sand or sludge traps, rakes or grates
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F5/00Sewerage structures
    • E03F5/22Adaptations of pumping plants for lifting sewage
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/001Processes for the treatment of water whereby the filtration technique is of importance
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/24Treatment of water, waste water, or sewage by flotation
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/40Devices for separating or removing fatty or oily substances or similar floating material
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/52Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F2001/007Processes including a sedimentation step
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/001Runoff or storm water
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2301/00General aspects of water treatment
    • C02F2301/08Multistage treatments, e.g. repetition of the same process step under different conditions
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00Specific treatment goals
    • C02F2303/26Reducing the size of particles, liquid droplets or bubbles, e.g. by crushing, grinding, spraying, creation of microbubbles or nanobubbles
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/32Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/34Biological treatment of water, waste water, or sewage characterised by the microorganisms used

Abstract

A kind of bridge floor initial rainwater collection processing method and system, abandoned stream collection is carried out to bridge floor initial rainwater using height difference by the collection pipe network being arranged on bridge, initial rainwater after collection by removing the biggish inorganic particle of specific gravity in initial rainwater after removal floating material and biggish suspended matter again, then water is adjusted, the grease contamination in initial rainwater is removed again, the impurity and pollutant for removing the fine suspension in initial rainwater again and being attached on suspended matter, qualified discharge after deliquescent pollutant in last intensified ecological removal initial rainwater.The different pollutants in bridge floor initial rainwater are removed respectively by multi-step, so that the final qualified discharge of bridge floor initial rainwater.

Description

Bridge floor initial rainwater collection processing method and system
Technical field
The present invention relates to a kind of collection processing method of rainwater and systems, and in particular at a kind of bridge floor initial rainwater collection Method and system is managed, the construction of sponge Municipal engineering is belonged to.
Background technique
The initial rainwater of bridge floor has dissolved the pollutions gas such as a large amount of sour gas, vehicle exhaust, plant gas in air Body, after the bridge floor that lands, and due to washing away asphalt concrete road, motor vehicle engine oil leakage, accident etc., so that rainwater early period In containing the polluters such as a large amount of organic matter, pathogen, heavy metal, grease, suspended solid, therefore the dirt of bridge floor rainwater early period Dye degree is higher, has been usually more than the pollution level of common municipal sewage.And due to having in motor vehicle exhaust discharge Evil substance, motor vehicle engine oil water clock, accident leakage etc. reasons, bridge floor initial rainwater contain a large amount of pollutants for example SS, COD, TN, TP and polycyclic aromatic hydrocarbon and oil etc., bridge floor initial rainwater amount is few, but the wherein more general road surface initial-rainwater of pollutant concentration Height, such as it is directly discharged into river receiving water body without processing, serious pollution will certainly be will cause to water body, it is therefore necessary to bridge Face rainwater is handled.
As the application for a patent for invention of publication number CN106894337A, entitled " bridge floor sewage water treatment method " disclose A kind of bridge floor sewage water treatment method, 1) storm sewers of bridge floor are connect with water collection channel;2) when rainy or road surface When watering cleaning, sewage enters separator box by water collection channel, closing solenoid valve one, and turn-on flow rate sensor 30-60 minutes, Opens solenoid valve three;3) it blows to tracheal pressure, while starting spoke rotating vane and starting to separate sewage and sundries, it will Groceries are discharged into conveyer belt discharge;Constantly being blown into pipe to cold wind and being blown into cold wind prevents sundries from giving off a peculiar smell;8) to 30-60 minutes Later, flow sensor is closed, opens solenoid valve one makes sewage be directly entered outlet conduit discharge.Beneficial effects of the present invention: The present invention utilizes purification of water quality filter material, and direct purification pollution sources in rainwater, thrifty expense of maintenance and management not only largely reduce in the early stage Waste yield, while being that pollution greatly reduces, it is at low cost, it is suitble to promote the use of.
Publication number CN105862585A, the patent of invention of entitled " bridge floor sewage-treatment plant and its processing method " Disclose a kind of bridge floor sewage-treatment plant, including water collection channel, which is characterized in that the water collection channel with separate Case connection is equipped with water filter plate in the separator box, is laid with below water filter plate and header tank, passes through motor-driven spoke and turns Leaf is mounted on above the water filter plate;The discharge port of spoke rotating vane is equipped with the conveyer belt of transmission translator drive, conveyer belt Discharge end is equipped with garbage outlet gear door;Cold wind, which is connected with, above conveyer belt in the separator box is blown into pipe;Of the invention has Beneficial effect: the present invention utilizes purification of water quality filter material, in the early stage direct purification pollution sources in rainwater, thrifty expense of maintenance and management, not only Waste yield is largely reduced, while being that pollution greatly reduces, it is at low cost, it is suitble to promote the use of.
Notification number CN203729198U, the utility model of entitled " freeway bridge face diameter adfluxion accepted way of doing sth processing unit " are special Benefit discloses a kind of freeway bridge face diameter adfluxion accepted way of doing sth processing unit, is composed in series by inlet well and sedimentation basin, inlet well with Conducting valve is set between sedimentation basin, and the top of inlet well is arranged in water inlet and overflow port, and conducting valve is arranged under inlet well Portion;Level switch is arranged below water inlet;It is provided with inclined plate area in the middle part of sedimentation basin, bottom is slope surface, the bottommost of slope surface Be provided with sand setting canal, drain hole is provided with precipitating bottom of pond portion, and oil discharge outlet and water outlet are provided with sedimentation basin top, oil discharge outlet with go out Oil baffle is additionally provided between the mouth of a river.The utility model carries out grease to bridge floor rainfall runoff and consolidates three's separation, takes up little area, imitates Rate is high, can be placed in bridge two sides nearby.The integrated sewage treatment unit that the utility model manufactures and designs, may be implemented to standardize The production of mass, processing and manufacturing, transport installation are all very convenient, and factory's batch micro operations, the quick peace in scene may be implemented completely The high-efficient homework of dress.
Although above-mentioned file is directed to the collection and processing of bridge floor rainwater, but be not the spy for bridge floor initial rainwater Property is thoroughly handled, and does not make full use of the ecological environment in sponge city itself to carry out in-depth processing to sewage, because This still needs to improve.
Summary of the invention
The present invention problem not thorough enough for the processing to sewage in current bridge floor rainwater treatment method and system, proposes A kind of bridge floor initial rainwater collection processing method and system, sufficiently carry out rainwater in conjunction with bridge floor and the topography and geomorphology of surrounding deep Degree processing.
The present invention in order to solve the above problem used by technological means are as follows: a kind of bridge floor initial rainwater collection processing method, Abandoned stream collection is carried out to bridge floor initial rainwater using height difference by the collection pipe network being arranged on bridge, the initial rainwater after collection is logical Cross after removal floating material and biggish suspended matter and remove the biggish inorganic particle of specific gravity in initial rainwater again, then to water into Row is adjusted, then removes the grease contamination in initial rainwater, then remove the fine suspension in initial rainwater and be attached to suspension Impurity and pollutant on object, qualified discharge after deliquescent pollutant in last intensified ecological removal initial rainwater.
Further, carrying out abandoned stream collection to bridge floor initial rainwater using height difference by the collection pipe network being arranged on bridge is Refer to and rainwater conflux is entered by the catch basin that bridge side is arranged in introducing after drainpipe connect with discharge outlet by the discharge outlet of bridge floor, section Well is stayed to retain rainwater into Boosting pumping station in a manner of tubule abandoned stream.
Further, the initial rainwater after collection by removing initial stage rain after removal floating material and biggish suspended matter again In water the biggish inorganic particle of specific gravity refer to Boosting pumping station setting grid in rainwater floating material and biggish suspended matter into After row intercepts and/or crushes removal, the biggish inorganic particle of specific gravity in rainwater is precipitated using sand setting equipment and grit water separator Separation removal.
Further, the grease removed in initial rainwater refers to using the water level control degreasing unit of sump into rainwater It is passed through bubble, grease, which is adsorbed on bubble, forms the froth bed containing grease contamination in the water surface, collects froth bed and removes grease.
Further, the impurity and pollutant for removing the fine suspension in initial rainwater and being attached on suspended matter refer to The impurity and pollutant for making fine suspension in rainwater by the way that medicament is added and being attached on suspended matter form biggish colloid Flocculation object net catch, roll up sweep suspended matter tiny in rainwater after precipitating remove.
Further, deliquescent pollutant refers to using rainpool and artificial floating leads in intensified ecological removal initial rainwater Plant and microorganism absorb decompose removal rainwater in organic matter, nutrient and fine particulates.
A kind of bridge floor initial rainwater collection processing system implementing, including be sequentially communicated collection pipe network, Vatch basin, rainfall pumping station, Solid-liquid separating equipment, sump, waste-oil scavenger, clarifying equipment, rainpool ecological floating island combination region, and connect with clarifying equipment Air supply device and molten explosive-feeding processing device.
Further, sump is equipped with level sensing control device, controls and connects with waste-oil scavenger.
Further, pipe network is collected to include bridge deck drainage mouth and be fixed on the storm sewer that connect with discharge outlet of bridge outside, The other end of storm sewer is connected to Vatch basin.
Further, Vatch basin is tubule Vatch basin, and the two sides of bridge are arranged in, and the water outlet and rainfall pumping station of Vatch basin connect It connects.
Further, rainfall pumping station is the prefabricated pumping plant of integration, and interior to be equipped with grid, the water inlet of rainfall pumping station is connected to lattice Grid, water outlet are sent to solid-liquid separating equipment.
Further, grid is basket type grid and/or crushed rack bar screen.
Further, elevator pump is additionally provided in rainfall pumping station, grid water outlet is pumped to solid-liquid separating equipment by elevator pump.
Further, solid-liquid separating equipment integrates sand setting equipment, girt-water separation equipment and sediment pump, and sand setting equipment is eddy flow Setting pot is connect with blowing device, and water outlet is connected to sump, and sand setting outlet is connected by sediment pump and girt-water separation equipment It connects;The water outlet of girt-water separation equipment is connected to sump, and the bottom of girt-water separation equipment is equipped with mud discharging mouth and is connected to sludge-tank.
Further, waste-oil scavenger includes vertical-flow air flotation machine and high pressure gas generation device, high pressure gas generation device Gas outlet be connected to the air inlet of vertical-flow air flotation machine, vertical-flow air flotation machine water outlet is connected to clarifier, vertical-flow gas The top of floating machine is equipped with mud discharging mouth and is connected to sludge-tank.
Further, clarifying equipment includes the reaction zone connecting with waste-oil scavenger water outlet, by guiding region and reaction zone The settling zone of connection and the sludge bucket being arranged in below settling zone, the water outlet of settling zone are connected to rainpool ecological floating island The mud discharging mouth of combination region, sludge bucket is connected to sludge-tank.
Further, reaction zone is connect with air supply device and molten administration device, and is equipped with agitating device.
Further, the drug of dispensing is flocculant.
Further, flocculant PAM, concentration are mass content 1-3 ‰.
Further, agitating device is air stirrer.
Further, rainpool ecological floating island combination region is the association that rainpool and ecological floating island form, ecological floating island Plant the landscape plant absorbed to nutrients.
Further, the plant of ecological floating island plantation is canna, cyperus alternifolius, cattail, calamus, Lythrum salicaria, the green fox-brush of powder Algae, yellow flag.
The beneficial effects of the present invention are:
1. the characteristics of present invention is for pollutant contained by bridge floor initial rainwater removes more in bridge floor initial rainwater step by step Kind pollutant, makes bridge floor initial rainwater be finally reached discharge standard.
2. present invention process high degree of automation, structure management is simple, and non-maintaining degree is high, stable effluent quality, operation Expense is low.
Detailed description of the invention
Fig. 1 is one flow diagram of embodiment;
Fig. 2 is seven rainpool ecological floating island combination region schematic diagram of embodiment;
In figure: 1. rainpools, 2. peripheral chinampas, 3. center chinampas, 4. anchors.
Specific embodiment
The following further describes the present invention with reference to the drawings.
Embodiment one
As shown in Figure 1, a kind of bridge floor initial-rainwater treatment system, including collect pipe network, Vatch basin, rainfall pumping station, separation of solid and liquid Equipment, sump, waste-oil scavenger, clarifying equipment, the sequentially connected processing module in front and back of rainpool ecological floating island combination region eight, It is further provided with air supply device to connect with molten explosive-feeding processing device with clarifying equipment, air supply device is that clarifying equipment is blown, this implementation In example, air supply device is set as air blower, therefore, in the present embodiment, is additionally provided with an equipment room, by air blower, clarification Medicament, molten administration device and other control panels relevant to present treatment system used in equipment are each provided in equipment room, Compressed air is delivered to clarifying equipment by pipeline by air blower, and molten administration device will be delivered to clear by pipeline after medicament dissolution Clear equipment.
Collecting pipe network includes discharge outlet and storm sewer.Discharge outlet is the original structure of bridge floor, and storm sewer passes through bracket It is fixed on the outside of bridge, bridge floor initial rainwater imports storm sewer by the discharge outlet of bridge floor.In addition it is arranged in the two sides of bridge and cuts Stay well, storm sewer is connected to catch basin, catch basin using tubule abandoned stream principle by bridge floor initial rainwater by tubule retain into Enter rainwater Boosting pumping station.
Rainfall pumping station is the prefabricated pumping plant of integration, and interior to be equipped with grid and elevator pump, the water inlet of rainfall pumping station flows directly into lattice Grid, under the interception of grid by rainwater floating material and biggish suspended matter block, it is regular according to actually rainy situation Or the pollutant aperiodically intercepted to grid is cleared up, the water outlet of rainfall pumping station is then pumped to separation of solid and liquid by promotion and sets It is standby.
Solid-liquid separating equipment integrates sand setting equipment, girt-water separation equipment and sediment pump, and sand setting equipment is rotational flow grit chamber, this It is clock-type setting pot in embodiment, water outlet is connected to sump, and sand setting outlet is connected by sediment pump and girt-water separation equipment It connects;The water outlet of girt-water separation equipment is connected to sump, and the bottom of girt-water separation equipment is equipped with mud discharging mouth and is connected to sludge-tank. The bridge floor initial rainwater for removing floating material and biggish suspended matter flows into sand setting area, benefit by the water inlet tangential direction of sand setting equipment With in equipment motor and transmission device drive turntable and ramp type blade that sand grains is got rid of due to the difference of suffered centrifugal force To pool wall, fall into the sand hopper of sand setting equipment, organic matter is then sent back in waste water and flows to collecting-tank through water outlet.By adjusting turn Speed can reach best sand setting effect.Sand aqueous mixtures in sand hopper are inputted at the top of sand setting equipment through drain pipe using sediment pump The water tank of grit water separator, the biggish inorganic particle of severe such as sand grains etc. will be deposited on the groove profile bottom of grit water separator in mixed liquor Portion, in the case where mentioning sand auger, sand grains is promoted along tilting sediment transport pipe, continues to elapse a distance after leaving liquid level, in sand grains It is sufficiently unloaded through sand removing hole to sand bucket is contained after dehydration, generates unified collect of silt and be disposed according to Ordinary solid waste, with sand water Water after separation is discharged from the overflow port of grit water separator flows into collecting-tank.
Sump is equipped with level sensing control device, is ultrasonic liquid level detection device in the present embodiment, and water level is equipped with height Liquid level point and low liquid level point, specific liquid level can be set according to actual use situation, level sensing control device and waste-oil scavenger Control connection.Dredge pump is additionally provided in sump, dredge pump is two proof submersible sand discharging pumps, a preparation and a use, diving in the present embodiment Dredge pump is also by liquid level detection device Automatic Control, when ultrasonic liquid level detection device detects in sump as high liquid level When, control proof submersible sand discharging pump is opened, and the rainwater in sump is sent into waste-oil scavenger, while controlling waste-oil scavenger starting;When super When sound liquid level detection device is detected in sump as low liquid level, controls proof submersible sand discharging pump and degreasing unit stops working.? In the course of work of proof submersible sand discharging pump, the control panel in equipment room determines two according to the accumulated operating time of proof submersible sand discharging pump The start-stop sequence of proof submersible sand discharging pump, guarantees that proof submersible sand discharging pump will not overload operation.
Waste-oil scavenger includes vertical-flow air flotation machine and high pressure gas generation device, and the gas outlet of high pressure gas generation device connects It is connected to the air inlet of vertical-flow air flotation machine, vertical-flow air flotation machine water outlet is connected to clarifier, the top of vertical-flow air flotation machine Sludge-tank is connected to equipped with mud discharging mouth.The bubble of certain size is passed through into waste water by high pressure gas generation device, makes waste water In hydrophobic contaminant granular absorption on bubble, on bubble floating to the water surface and formed include pollutant foam Layer collects froth bed to remove pollutant.
The precipitating that clarifying equipment includes the reaction zone connecting with waste-oil scavenger water outlet, is connect by guiding region with reaction zone Area and the sludge bucket being arranged in below settling zone, the water outlet of settling zone are connected to rainpool ecological floating island combination region, sludge The mud discharging mouth of bucket is connected to sludge-tank.
Reaction zone is connect by pipeline with air blower and molten administration device, and agitating device, this reality are equipped in reaction zone Apply the air stirrer in example to connect with air blower.The flocculant for needing to launch dissolves in the molten administration device of equipment room Afterwards as pipeline is admitted in reaction zone, the compressed air that air blower generates is admitted in reaction zone also by other pipeline, Compressed air plays the role of stirring while bringing oxygen into reaction zone, makes the suspended matter in rainwater and is attached to particulate matter On do not allow organic matter to react to form suspended matter colloid flocculate with flocculant, into settling zone, flocculate generate precipitating falls into In sludge bucket, water outlet flow to rainpool ecological floating island combination region, and the silt of sludge bucket discharge can be unified to collect according to general solid Waste is disposed.
Rainpool ecological floating island combination region is the association that rainpool and ecological floating island form, and ecological floating island is planted to nutrition The landscape plant that object is absorbed.Rainpool can be original pool or the pond manually dug out near bridge floor, inside set Set ecological floating island.Ecological floating island is tightened using artificial band using single floating bed and is spliced into certain moulding, and moulding fixed border is adopted Spliced with 90UPVC water pipe, chinampa is fixed to be fixed using 6mmSUS304 stainless steel zipper.Aquatic plant is planted on ecological floating island Object is fixed using 15-25mm partial size light ceramic, be typically chosen plantation canna, cyperus alternifolius, cattail, calamus, thousand bend The green watermifoil of dish, powder, yellow flag etc..Ecological floating island is using ecological engineering principle, the content of the organic matter in initial rainwater of degrading, It can be such that bridge floor initial rainwater body transparency increases substantially, while water quality indicator is also improved, especially to algae Class has good inhibitory effect.Ecological floating island is the richness absorbed in water using the root system of plant to the most important effect of purification of water quality Nutrient laden substance, such as total phosphorus, ammonia nitrogen, organic matter etc., so that the nutrition of water body is shifted, mitigation water body is due to closing or certainly Recycle that insufficient bring water body is stench, eutrophication.
Embodiment two
In the present embodiment, the drug that reaction zone is launched is the flocculant that concentration is mass content 1-3 ‰, such as PAM.
Embodiment three
In the present embodiment, agitating device is mechanical stirring device.
Example IV
In the present embodiment, the top of catch basin is equipped with overflow well, and with the continuity of rainy spell, the amount of rainfall that bridge floor collects is gradually Become larger, and the pollutant of bridge floor has been washed completely substantially, the content of water pollutant substantially reduces, and the rainwater in later period is more than Other processing system is discharged into after certain interception ratio from overflow pipe overflow.
Embodiment five
In the present embodiment, grid using crushing type grid, by enter rainfall pumping station floating material and biggish suspended matter into Row crushes, and avoids the need for the rubbish that grid is often pulled out to its interception of removal, alleviates artificial operation.
Embodiment six
In the present embodiment, grid uses grid and crushes the structure that grid uses simultaneously, and the grid gap in grid is 1- 5mm, and the little particle that large-scale floating material is ground into 3-10mm by grid is crushed, it is carried out after bulky refuse is crushed using grid It intercepts, had not only avoided solid refuse from blocking follow-up equipment, but also be avoided that bulky refuse footprint area is excessive, and needed grid often The problem of taking-up reduces the treatment effeciency of this system to remove solid refuse.
Embodiment seven
In the present embodiment, rainpool ecological floating island combination region is as shown in Fig. 2, rainpool 1 is the pool naturally occurred or according to ground The pool that shape is manually dug out, the circle close to 1 edge of rainpool is provided with peripheral chinampa 2, in the centre of rainpool 1 is provided with The setting on flighty and impatient island 3, multiple ecological floating islands increases the cultivated area of water plant, while being also beneficial to oxygen in rainpool 1 Uniform dissolution, avoid single ecological floating island area it is excessive when cause chinampa decentralization illumination insufficient and fill organic matter degradation not The problems such as dividing;Peripheral chinampa 2 and center chinampa 3 are provided with multiple progress of anchors 4 position and fix, and avoid ecological floating island in the water surface On position over-deflection and be brought together even be overlapped.
Above-described embodiment further relates to a kind of bridge floor initial rainwater collection processing method, is converged rainwater by the discharge outlet of bridge floor The catch basin that bridge side is set is introduced after flowing into the drainpipe connecting with discharge outlet, catch basin is in a manner of tubule abandoned stream by rainwater It retains into Boosting pumping station.Bridge floor initial rainwater is collected using landform and bridge floor original device, solves bridge floor rainwater It is difficult to the problem of collecting.
Boosting pumping station setting grid in rainwater floating material and biggish suspended matter intercepted and/or crushed removal Afterwards, the biggish inorganic particle precipitation and separation of specific gravity in rainwater is removed using sand setting equipment and grit water separator.Removal is large-scale solid The bridge floor initial rainwater of body rubbish is sent into sump and carries out runoff investigation, then using the water level control degreasing unit of sump to Bubble is passed through in rainwater, grease, which is adsorbed on bubble, forms the froth bed containing grease contamination in the water surface, collects froth bed removal Grease.
Rainwater after oil removing makes fine suspension in rainwater by the way that medicament is added in clarifying equipment and is attached to suspension Impurity and pollutant on object formed biggish colloid flocculation object net catch, roll up sweep suspended matter tiny in rainwater after precipitate and go It removes.
Finally, rainwater enters rainpool ecological floating island combination region, rainpool and the artificial floating plant and microorganism led are utilized Absorb organic matter, nutrient and the fine particulates decomposed in removal rainwater.
Abandoned stream collection is carried out to bridge floor initial rainwater using height difference by the collection pipe network being arranged on bridge in this way, after collection Initial rainwater by removal floating material and biggish suspended matter after remove the biggish inorganic particle of specific gravity in initial rainwater again, Then water is adjusted, then removes the grease contamination in initial rainwater, then remove the fine suspension in initial rainwater And it is attached to impurity and pollutant on suspended matter, it is up to standard after deliquescent pollutant in last intensified ecological removal initial rainwater Discharge.The different pollutants in bridge floor initial rainwater are removed respectively by multi-step, so that bridge floor initial rainwater is final Qualification discharge.
Above embodiments are used for illustrative purposes only, rather than limitation of the present invention, the technology people in relation to technical field Member without departing from the spirit and scope of the present invention, can also make a variety of changes or convert, therefore is all equivalent Technical solution also should belong to protection scope of the present invention, and protection scope of the present invention should be limited by each claim.

Claims (10)

1. a kind of bridge floor initial rainwater collection processing method, it is characterised in that: utilize height by the collection pipe network being arranged on bridge Difference carries out abandoned stream collection to bridge floor initial rainwater, after the initial rainwater after collection is by removal floating material and biggish suspended matter The biggish inorganic particle of specific gravity in initial rainwater is removed again, then water is adjusted, then removes the grease in initial rainwater Pollutant, then the impurity and pollutant that remove the fine suspension in initial rainwater and be attached on suspended matter, last ecology are strong Qualified discharge after deliquescent pollutant in change removal initial rainwater.
2. bridge floor initial rainwater collection processing method as described in claim 1, it is characterised in that: pass through the receipts being arranged on bridge Collection pipe network carries out abandoned stream collection to bridge floor initial rainwater using height difference and refers to that rainwater conflux is entered and arranged by the discharge outlet of bridge floor It is introduced after the drainpipe of mouth of a river connection and the catch basin of bridge side is set, catch basin is retained rainwater into mentioning in a manner of tubule abandoned stream Rise pumping plant.
3. bridge floor initial rainwater collection processing method as described in claim 1, it is characterised in that: the initial rainwater after collection is logical It crosses removal floating material and biggish suspended matter removes the biggish inorganic particle of specific gravity in initial rainwater later again and refers in elevator pump Setting grid stand to the floating material in rainwater and after biggish suspended matter intercepted and/or crush removal, utilizes sand setting equipment The biggish inorganic particle precipitation and separation of specific gravity in rainwater is removed with grit water separator.
4. bridge floor initial rainwater collection processing method as described in claim 1, it is characterised in that: the oil in removal initial rainwater Rouge, which refers to, is passed through bubble into rainwater using the water level control degreasing unit of sump, and grease is adsorbed on bubble to be formed in the water surface Froth bed containing grease contamination collects froth bed and removes grease;
The impurity and pollutant for removing the fine suspension in initial rainwater and being attached on suspended matter refer to by the way that medicament is added Make the fine suspension in rainwater and the impurity and pollutant that are attached on suspended matter formed biggish colloid flocculation object net catch, Volume precipitates removal after sweeping suspended matter tiny in rainwater.
5. bridge floor initial rainwater collection processing method as described in claim 1, it is characterised in that: intensified ecological removes initial stage rain Deliquescent pollutant, which refers to, in water absorbs and decomposes in removal rainwater using rainpool and the artificial floating plant led and microorganism Organic matter, nutrient and fine particulates.
6. a kind of bridge floor initial rainwater collection processing system implementing, it is characterised in that: including be sequentially communicated collection pipe network, Vatch basin, Rainfall pumping station, solid-liquid separating equipment, sump, waste-oil scavenger, clarifying equipment, rainpool ecological floating island combination region, and with it is clear The air supply device and molten explosive-feeding processing device of clear equipment connection.
7. bridge floor initial rainwater collection processing system implementing as claimed in claim 6, it is characterised in that: sump is equipped with level sensing Control device is controlled with waste-oil scavenger and is connected.
8. bridge floor initial rainwater collection processing system implementing as claimed in claim 6, it is characterised in that: collecting pipe network includes bridge floor row The mouth of a river and it is fixed on the storm sewer being connect on the outside of bridge with discharge outlet, the other end of storm sewer is connected to Vatch basin;
Vatch basin is tubule Vatch basin, the two sides of bridge is arranged in, the water outlet of Vatch basin is connect with rainfall pumping station;
Rainfall pumping station is the prefabricated pumping plant of integration, interior to be equipped with grid, and the water inlet of rainfall pumping station is connected to grid, and water outlet is sent to solid-liquid Separation equipment.
9. bridge floor initial rainwater collection processing system implementing as claimed in claim 6, it is characterised in that: solid-liquid separating equipment is integrated heavy Sand equipment, girt-water separation equipment and sediment pump, sand setting equipment are rotational flow grit chamber, are connect with blowing device, water outlet connection To sump, sand setting outlet is connect by sediment pump with girt-water separation equipment;The water outlet of girt-water separation equipment, which is connected to, to catchment Well, the bottom of girt-water separation equipment are equipped with mud discharging mouth and are connected to sludge-tank;
Waste-oil scavenger includes vertical-flow air flotation machine and high pressure gas generation device, and the gas outlet of high pressure gas generation device is connected to The air inlet of vertical-flow air flotation machine, vertical-flow air flotation machine water outlet are connected to clarifier, and the top of vertical-flow air flotation machine is equipped with Mud discharging mouth is connected to sludge-tank.
10. bridge floor initial rainwater collection processing system implementing as claimed in claim 6, it is characterised in that: clarifying equipment includes and removes The reaction zone of oily equipment water outlet connection, the settling zone being connect by guiding region with reaction zone and setting are below settling zone Sludge bucket, the water outlet of settling zone is connected to rainpool ecological floating island combination region, and the mud discharging mouth of sludge bucket is connected to sludge-tank;
Reaction zone is connect with air supply device and molten administration device, and is equipped with agitating device;
Rainpool ecological floating island combination region is the association that rainpool and ecological floating island form, ecological floating island plantation to nutrients into The landscape plant that row absorbs.
CN201811022094.7A 2018-09-04 2018-09-04 Bridge floor initial rainwater collection processing method and system Pending CN109098255A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111606440A (en) * 2020-06-09 2020-09-01 上海妙佳流体控制技术有限公司 Oil and sewage intercepting method for rainwater pumping station

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Publication number Priority date Publication date Assignee Title
CN204874202U (en) * 2015-07-31 2015-12-16 环境保护部华南环境科学研究所 High load capacity rain flood lasts reinforces process systems who purifies
CN205636879U (en) * 2016-05-12 2016-10-12 华中科技大学 System's device is collected, is purified and utilize to overpass rainwater
CN205935042U (en) * 2016-08-22 2017-02-08 河南省建筑科学研究院有限公司 Sponge urban rainwater processing system
CN106400927A (en) * 2016-11-09 2017-02-15 沈阳建筑大学 Rainwater collection integrated ecosystem

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204874202U (en) * 2015-07-31 2015-12-16 环境保护部华南环境科学研究所 High load capacity rain flood lasts reinforces process systems who purifies
CN205636879U (en) * 2016-05-12 2016-10-12 华中科技大学 System's device is collected, is purified and utilize to overpass rainwater
CN205935042U (en) * 2016-08-22 2017-02-08 河南省建筑科学研究院有限公司 Sponge urban rainwater processing system
CN106400927A (en) * 2016-11-09 2017-02-15 沈阳建筑大学 Rainwater collection integrated ecosystem

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111606440A (en) * 2020-06-09 2020-09-01 上海妙佳流体控制技术有限公司 Oil and sewage intercepting method for rainwater pumping station

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