CN103570149B - Device for removing pollutants from rainwater runoff - Google Patents
Device for removing pollutants from rainwater runoff Download PDFInfo
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- CN103570149B CN103570149B CN201210277264.2A CN201210277264A CN103570149B CN 103570149 B CN103570149 B CN 103570149B CN 201210277264 A CN201210277264 A CN 201210277264A CN 103570149 B CN103570149 B CN 103570149B
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Abstract
The invention discloses a device for removing pollutants from rainwater runoff. The device comprises a barrel-like filter grille, sedimentation/infiltration ponds and a filter pond. The barrel-like filter grille is used for intercepting floating matters and large particles in input water and then outputting the water. The sedimentation/infiltration ponds comprise two stages of sedimentation/infiltration ponds which are sequentially connected, the first-stage sedimentation/infiltration pond is used for receiving the input water, the water flows into the first-stage sedimentation/infiltration pond from the side direction of the first-stage sedimentation/infiltration pond to from a rotational flow, the second-stage sedimentation/infiltration pond is used for receiving the water flowing out of the first-stage sedimentation/infiltration pond, and the water is outputted after the flow speed of the water is reduced in the second-stage sedimentation/infiltration pond. A filter element is arranged in the filter pond, and the water which is inputted into the filter pond flows by the filter element and is drained from the bottom of the filter pond. The barrel-like filter grille and one or more of the sedimentation/infiltration ponds and the filter pond are sequentially connected to form the device.
Description
Technical field
The present invention relates to the removal technological process control of multiple pollutant in rainfall runoff.Special in floating matter in runoff, suspended particulate, the removal device of the heavy metal of insoluble and solubility.
Technical background
The spatial and temporal distributions uneven meeting of people to the understanding main rainfall of rainwater for many years brings drought and waterlogging.The control device adopted for rainwater focuses mostly in the runoff how effectively collecting rainwater generation, and it is effectively entered in water channel, river and lake within the shortest time, thus avoids producing flood in city, the life that impact is popular and production.But, along with the increase of human industry's activity and the quickening of urbanization process, change the service performance in soil.The ground of increasing impenetrability changes the natural circulation approach of water.Subsurface wastewater infiltration system and the vegetation absorbed dose of rainwater are fewer and feweri, and the runoff produced gets more and more.Meanwhile, the increase of mankind's activity, pollutant kind and the amount of generation also increase thereupon.These pollutents constantly accumulate on the ground, are brought into river and the lake of surrounding under the washing away of rainfall runoff.So not only cause taking place frequently of flood, also make the pollution of water body day by day serious.At present, the control of rainwater is not only had higher requirement to the control of flow and flow velocity, is also more and more valued by the people the control of rain water pollutant.
Rainwater and sanitary sewage have its singularity by comparison, the ununiformity of such as spatial and temporal distributions, the polytropy of flow velocity and flow, and mostly the pollutent in rainwater is physics and chemistry pollutent but not biodegradable organic pollutant.The source of rain water pollutant widely.Modern various buildings, such as road, bridge, roof etc. all can discharge metal ion in natural process.The pollution that road traffic produces is of a great variety especially.The prime the fuel system of such as automobile can produce VOC, hydrocarbon polymer.Vehicle body may bring the metallic pollutions such as Zn, Cr, Fe and Al.Brake system can bring the pollution of Cu and Pb.The wearing and tearing of tire can bring the pollution of Zn, Cd and solid particulate matter.The wearing and tearing on road surface itself also can bring the pollution of particulate matter, PAHs and phenols.The monitoring data of the rain water pollutant in city illustrates compared with typical sanitary sewage, and the concentration of the pollution substance in rainwater and total amount are not low.
Along with further urbanization, the growth of urban population, the pollution that city moderate rain water-band is come will be more and more serious.Totally see, China's rainwater pollution controls the deficiency that mainly there is the following aspects: (1) lacks rainwater pollution and controls consciousness, lacks and consider as a whole in city planning and process of construction; (2) lack basic research, people are not enough to the influence research of environment, resource to rainwater, lower to the research degree of rainwater pollution control techniques; (3) there is no feasible Technology and Administration specification, lack supporting regulation, policy and management system; (4) rainwater pollution control industrialization level is low, lacks corresponding treatment technology, equipment and professional.
Summary of the invention
The object of the invention is to, for domestic under rainwater treatment technology and equipment also incomplete condition at present, provide a kind for the treatment of unit comprehensively removed for rain water pollutant.After being processed rainfall runoff by this device, rainwater can drain in natural water body, and does not increase the pollution load in water body, affects the water surrounding that aquatic organism depends on for existence.
According to one embodiment of the invention, propose a kind of device removing pollutent from rainfall runoff, comprise tubbiness and filter barrier, precipitation/seepage basin and filter tank.This device can comprise tubbiness and filter barrier, precipitation/seepage basin and one of them parts of filter tank, or selects several or whole parts to be wherein in turn connected to form this device.Barreled filter barrier dam input water in floating matter and macrobead thing after export.Precipitation/seepage basin comprises the two-stage precipitation/seepage basin be connected successively, first step precipitation/seepage basin receives the water of input, water flows into from the side direction of first step precipitation/seepage basin and form eddy flow in first step precipitation/seepage basin, second stage precipitation/seepage basin receives the water flowed out from first step precipitation/seepage basin, and water exports reduce flow velocity in the precipitation/seepage basin of the second stage after.Have filter cylinder in filter tank, the current filtration core in input filter tank, discharges bottom filter tank.
In one embodiment, tubbiness filters barrier and comprises several tubbiness barrier joint connected successively, and each tubbiness barrier joint has ordered series of numbers hole, and each row even branch in hole at tubbiness barrier joint circumferentially.
In one embodiment, long 1.5 meters of each tubbiness barrier joint, the upper arrangement 20 of each tubbiness barrier joint arranges hole, each arranges the periphery of hole along bucket offers one slot every 22.5 °, described barreled filters barrier and comprises 2 to 6 tubbiness barrier joints, the junction of each two tubbiness barriers joint is provided with clean-up port, and the junction of filtering barrier and rainwater header at tubbiness is provided with clean-up port.
In one embodiment, first step precipitation/seepage basin is barrel-shaped, water inlet pipe and upflow tube is comprised in first step precipitation/seepage basin, the feed-water end of water inlet pipe is reclinate elbow, opening is towards bottom, the water side of water inlet pipe is communicated to second stage precipitation/seepage basin, and the open height of feed-water end is lower than the specified retaining height of first step precipitation/seepage basin; Upflow tube is communicated with first step precipitation/seepage basin and second stage precipitation/seepage basin, the height of upflow tube higher than first step precipitation/seepage basin maximum retaining highly.
In one embodiment, second stage precipitation/seepage basin is barrel-shaped, and center has a baffle plate, and second stage precipitation/seepage basin is divided into front and rear by baffle plate, and the water side of water inlet pipe is positioned at front portion; Second stage precipitation/seepage basin has water shoot, and the feed-water end of water shoot is positioned at rear portion and the water side of level height and water inlet pipe is contour, and the water side of water shoot is communicated to filter tank; The bottom of baffle plate and the second stage precipitates/bottom of seepage basin between have a gap, the top of baffle plate is higher than the specified retaining height of second stage precipitation/seepage basin.
In one embodiment, the bottom of first step precipitation/seepage basin and second stage precipitation/seepage basin is equipped with metalling and pedosphere.
In one embodiment, filter tank comprises overflow weir, supporting bed, several filter cylinder and blowoff basin.Overflow weir is separated out overflow groove from filter tank, overflow groove communicated drainage pipe network.Filter tank is divided into upper space and lower space by supporting bed, and upper space is Storage and Processing space, and lower space is drainage space.Several filter cylinder is supported in upper space by supporting bed.Blowoff basin is arranged in lower space, and supporting bed has the through hole be communicated with blowoff basin, blowoff basin is communicated to overflow groove.
In one embodiment, filter cylinder is sleeve shaped, lower width is greater than upper width, filter cylinder comprises chassis, filter screen, the filter core being filled with filtrate, outer cover and hollow tube, have gap between outer cover and chassis, filtrate is placed within filter screen, and hollow tube is placed in the center of filter core, and be communicated with the through hole on supporting bed, filter core is surrounded by filter cylinder cover.
In one embodiment, filtrate be fine sand, zeolite granular, perlite particle, activated carbon granule, surface be coated with in the synthetic filler of metal oxide one or more.
In one embodiment, device entirety is embedded in underground, and has the passage being communicated to ground, the skeleton construction reinforced concrete prefabricated board structure of this device.
Rainwater treatment device of the present invention is built flexibly, under can being built in parking lot, saves space.The size of device can according to process run-off number and determine.The flow lifting type design of filter cylinder makes greatly increase work-ing life, also makes to be convenient to change.Maintenance and the cleaning of equipment are convenient.Only need by vacuum cleaning car, the rubbish in the rubbish in barrier and precipitation/seepage basin to be sucked out.Sanitation worker also can be cleared up by the passage access arrangement inside on equipment top.Cleaning cycle general one year 2 times, or according to circumstances determine.
Accompanying drawing explanation
Fig. 1 discloses the plan structure figure removing the device of pollutent from rainfall runoff according to one embodiment of the invention.
Fig. 2 discloses the side-looking structure iron removing the device of pollutent from rainfall runoff according to one embodiment of the invention.
Component name list:
1-water inlet pipe; 2-clean-up port; 3-barrier; 4-first step precipitation/seepage basin; 5-admission passage; 6-second stage precipitation/seepage basin; 7-filter cylinder; 8-effluent trough; 9-rising pipe; 10-water leg; 11-lateral intake pipe; 12-second stage precipitation/seepage basin water inlet pipe; 13-upflow tube; 14-baffle plate; 15-filter tank water inlet pipe; 16-hollow tube; 17-filtering cartridge lid; 18-drainage tray; 19-overflow groove; 20-device maintenance access; Pond, 21-filter tank body.
Embodiment
Present invention is disclosed a kind of device realizing comprehensive treating process to multiple pollutant in rainwater.
The present invention realizes the efficient removal to the pollutent in sewage by following technology: rainwater is collected by header and entered this device.
Use the floating matter in tubbiness filtration barrier removal rainwater, large particulate matter is trapped within barrier.Precipitation/seepage basin is used to carry out small-particle precipitation and reduce flow velocity.Precipitation/seepage basin connects to form by before and after two tubbiness structures.Rainwater flows into from first step precipitation/seepage basin side direction, and in pond, form eddy flow, less particulate matter precipitates thereupon.The rainwater comparatively clarified enters second stage precipitation/seepage basin and processes further.Flow velocity reduces by the baffle design in the precipitation/seepage basin of the second stage, and particulate matter is precipitated further.Filtering basin are used to carry out further fine filtering to water.The filter cylinder of discharge some amount in filtering basin.Water is flowed into by the bottom of filter core, flows into the blowoff basin bottom filtering basin, then discharged by rising pipe after flowing through filter core from bottom to top by the hollow tube at filter core center.
Tubbiness filters barrier, precipitation/seepage basin and filter tank can be used alone formation processing device according to demand, also can be in turn connected to form treatment unit by several parts.If multiple parts connect successively, the order of so discharging is that tubbiness filtered barrier before precipitation/seepage basin, and precipitation/seepage basin is before filter tank.Underground imbedded by whole treatment unit.The top of device is provided with passage, can carry out safeguarding and clearing up in access to plant thus.
It is different with the cleaning principle of each in filter tank that tubbiness filters barrier, precipitation/seepage basin, for pollutent also different.According to the character of the pollutent in the rainwater of different areas, and the requirement of discharge is carried out united application to three devices or is used alone.
First device is that tubbiness filters barrier.Material is zinc-plated stainless steel.Often long 1.5 meters of joint.Within one week, a long 50mm is had every 22.5 °, the slot of wide 5mm along bucket; Often save the hole that barrier has 20 row so side by side.The size and shape in hole and how much also can carry out adjusting and arranging according to the size of the particulate matter that will dam.This element can be made up of the such tubbiness barrier of 2 to 6 joint.The opening of a 0.5mx0.3m was had, to clear up the rubbish be trapped before the barrel-shaped barrier be connected with water inlet pipe.Also the opening of diameter 0.3m is provided with, to remove the rubbish and particulate matter that are trapped within tubbiness barrier in the junction often saved.Tubbiness filters barrier head and the tail and is fixed on pool wall, and has bracing frame to be fixed at every pitch chain place and support.
Tubbiness filters barrier and can be placed in a pond, and rainwater floating matter, rubbish and large particulate matter etc. in the process flowing through tubbiness filtration barrier are dammed to get off, and the rainwater of outflow flows at the bottom of pond.Tip forward end at the bottom of pond tilts, and at the bottom of pond, front end is provided with water leg, and rainwater flows into the water leg of front end.
Second device is precipitation/seepage basin.Rainwater is from a side inflow of precipitation/seepage basin.If combinationally use tubbiness to filter barrier and precipitation/seepage basin, water leg can with from precipitating/inlet duct of seepage basin is communicated with, the rainwater filtering barrier through tubbiness so just by the pipeline that is connected with water leg and precipitation/seepage basin from precipitating/side inflow of seepage basin.Rainwater side direction flows in barrel-shaped precipitation/seepage basin with fast speed, in pond, form an eddy flow state.Particulate matter can be brought at the bottom of pond by this eddy flow state, and particulate matter is precipitated rapidly.Can be paved with rubble at the bottom of pond, 0.3m-0.5m is thick, is pedosphere under metalling.Outside metalling and pedosphere, there is geotechnological barrier to surround.Rainwater can go by being seeped in soil under metalling and pedosphere.If used in the more shallow area of ground water table, in order to prevent rainwater pollution underground water, can by the bottom of pond with concrete enclosing, prevent rainwater infiltration.Such this element will only play the effect of settling tank.
Precipitation/seepage basin is divided into two-stage, first step precipitation/seepage basin by water inlet pipe precipitate with the second stage with a upflow tube/seepage basin is connected.There is the design of an elbow shape one end of water inlet pipe, makes the mouth of pipe at the bottom of pond, and is positioned at the center of first step precipitation/seepage basin.During normal running, the mouth of pipe is immersed in water.Rainwater is flowed into by the downward opening mouth of pipe, flows out from the other end of pipe, enters second stage precipitation/seepage basin.Such design can avoid little floating matter to flow into second stage precipitation/seepage basin.A upflow tube is provided with above water inlet pipe, also precipitate with the second stage/seepage basin is connected.When rainfall exceedes first step precipitation/seepage basin, rainwater can be flowed out by upflow tube rapidly.
The center of second stage precipitation/seepage basin is provided with a baffle plate.Precipitation/seepage basin is divided into two portions by baffle plate.Have at the bottom of pond and between baffle plate is highly the gap of 0.3m.Rainwater flows into the second section of precipitation/seepage basin by this gap.The water shoot of second stage precipitation/seepage basin is connected with follow-up filter tank.The water inlet pipe of this water shoot and two-stage precipitation/seepage basin is at same level height.During excessive rainfall, rainwater directly can cross baffle plate, enters follow-up filter tank by water shoot.At the bottom of the pond of second stage precipitation/seepage basin, structure is identical with the first step, can be made up of, also can adopt closed type rubble, soil and geotechnological barrier.
The first step and second stage precipitation/seepage basin are successively connected in series.There are two such processing units to connect with parallel way simultaneously.Which not only adds processing power, also can ensure when an element failure that certain treatment effect is also had to the particulate matter in rainwater.
3rd device is filter tank.If adopt the mode that multiple device connects, filter tank is configured to last device, after needing to be configured in precipitation/seepage basin or after tubbiness filtration barrier.Such as filter tank is configured in after precipitation/filtration holds, and the rainwater so through second stage precipitation/seepage basin flows into filter tank.Filter tank is made up of pond body and filter cylinder.Filter tank itself is by supporting bed, and overflow weir, and blowoff basin, overflow groove forms.Filter tank is divided into upper and lower two spaces by supporting bed.The multiple filter cylinder of spatial disposition on supporting bed top.Supporting bed there is the hole of diameter 0.15m be connected with the blowoff basin of lower floor.Filter core is enclosed within the connecting hole on supporting bed.The top of supporting bed is as the storage area of rainwater and process space, and bottom is drainage space.The end in pond has overflow weir that filter tank is divided into former and later two parts.Excessive rainfall directly can flow through overflow weir, enters overflow groove, then gets rid of through water shoot.Drainage tray and overflow groove centre are by pipeline communication, and the rainwater after filtering flows into overflow groove, then flows out filter tank through water shoot.
Cartridge array is in filter tank.Filter cylinder is low wide and up narrow.By chassis, filter screen, is equipped with filtrate filter core, outer cover and hollow tube composition.Chassis diameter 0.6m, filter core height 0.6m.The gap of 30mm is had between outer cover and chassis.Hollow tube diameter 150mm, is placed in the center of filter core, and communicates with the hole on supporting bed.Filter core is surrounded by outer cover.There is capouch on outer cover top, and there is a communicating pores top, is conveniently taken out by filter core when changing filtrate.The chassis of filter cylinder and outer cover all have PVC to make.Rainwater by the gap between base and outer cover, again down on enter filter core, then flow into drainage tray by hollow tube.
Above-mentioned rainwater treatment device is being embedded in underground.The top for the treatment of unit is concordant with ground, and bottom is positioned at underground 3.0m-3.5m.Top is provided with several well heads, can enter the maintenance that precipitation/seepage basin and filtering basin carry out equipment easily by ladder.
The pool wall of described treatment unit, Chi Ding, at the bottom of pond, overflow weir, supporting bed is reinforced concrete prefabricated board structure.Described filtrate is fine sand, zeolite granular, perlite particle, activated carbon granule, surface are coated with the synthetic filler of metal oxide etc. one or more.
The principle of purifying rainwater of the present invention is: the rainwash of rainwater enters treatment unit by rainwater-collecting pipe network.Rely on the floating matter in tubbiness filtration barrier removal rainwater, the rubbish such as large particulate matter, these pollutents are trapped within barrel-shaped barrier.Through filtering the water leg of the reverse inflow device front end of rainwater of barrier.Rainwater side direction enters into the first step precipitation/seepage basin of precipitation/seepage basin.If be open (rubble and soil are positioned at the bottom of pond) at the bottom of pond, rainwater can be permeated the ground by rubble and soil.Various pollutents in such rainwater are removed by soil permeability, and the water yield of rainwater also reduces greatly simultaneously.If at the bottom of pond be dead front type.Less particulate matter in rainwater can be deposited at the bottom of pond under cyclonic action.Rainwater is from entering second stage precipitation/seepage basin downward opening communicating pipe.Pond is divided into former and later two parts by the baffle plate in pond.In rainwater, particulate matter precipitates further under flow velocity slowly situation.Rainwater can permeate the ground further when at the bottom of open pond.Whether be at the bottom of open pond, will determine according to concrete soil infiltration characteristics and ground water table depth situation.Rainwater enters filtering basin.The filtration cartridge of some amount is arranged with in filtering basin.Filter cylinder number according to process rainfall runoff how many decisions.One or more above-mentioned filtrates are filled in filter cylinder.Rainwater flows through filtrate from the bottom to top by the chassis of filter cylinder and the gap of outer cover.Flow lifting type design decreases the blocking of filtrate.Rainwater is not precipitated in the process flowing through filtrate/and little particulate matter that seepage basin is removed dammed to get off by the small spaces between filtrate; The pollutent such as metal, nitrogen, phosphorus of the solubility in rainwater adsorb by the pore on the surface and inside with adsorptive power filtrate and be removed.Cleaned rainwater flows into drainage tray by the hollow tube in the middle of filter core, then enters network of drains or receiving water body.Overflow device is provided with in a whole set for the treatment of facility.When the water yield exceedes the designing treatment water yield, rainwater directly can discharge system through upflow tube and overflow weir after barrel-shaped barrier.
Rainwater treatment device of the present invention is built flexibly, under can being built in parking lot, saves space.The size of device can according to process run-off number and determine.The flow lifting type design of filter cylinder makes greatly increase work-ing life, also makes to be convenient to change.Maintenance and the cleaning of equipment are convenient.Only need by vacuum cleaning car, the rubbish in the rubbish in barrier and precipitation/seepage basin to be sucked out.Sanitation worker also can be cleared up by the passage access arrangement inside on equipment top.Cleaning cycle general one year 2 times, or according to circumstances determine.
Below in conjunction with accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited only to this.
Embodiment 1
This embodiment discloses a kind of rainwater treatment device carrying out Transformatin for rain water pollutant, and its structure as depicted in figs. 1 and 2.Comprise tubbiness and filter barrier, precipitation/seepage basin and filtering basin three processing units.Rainwater enters tubbiness by water inlet pipe 1 and filters barrier 3, and rainwater flows in the water leg 10 of precipitation/seepage basin front end after filtering barrier 3 by tubbiness.Water leg 10 has water pipe 11 to be connected with precipitation/seepage basin, and water pipe 11 is entered by the side direction of precipitation/seepage basin, in precipitation/seepage basin, produce eddy flow.Rainwater by first step precipitation/seepage basin 4 center precipitate with the second stage/water pipe 12 that seepage basin 6 is connected flows into two-stage precipitation/seepage basin 6.First step precipitation/seepage basin 4 and second stage precipitation/seepage basin 6 are equipped with the admission passage 5 that can enter in pond.Filter tank 21 is flowed into after two-stage precipitation/seepage basin 6.Upflow tube 13 is also had to connect in the middle of first and second grades of precipitation/seepage basins.Rainwater flows into filtering basin 21 by filter tank water inlet pipe 15.The filter cylinder 7 of some amount is placed in filter tank.Place filtrate in filter cylinder, filtrate to be encapsulated in filtering cartridge lid 17.The filter core of rainwater from bottom to top by being made up of filtrate, then flows into discharge pond 18 by the hollow tube 16 in filter core, enters effluent trough 8 afterwards, access network of drains by rising pipe 9, by the storm-water drainage after process in water body, or the Storm Sewer Network in downstream.Whole treatment unit is embedded in underground.System maintenance can be carried out by ground device maintenance access 20 access to plant.
As shown in Figure 1, tubbiness filters barrier 2 and often saves long 1.5 meters.Be made up of zinc-plated stainless steel.Within one week, a long 50mm is had every 22.5 °, the slot of wide 5mm along bucket; Often save the hole that barrel-shaped barrier has 20 row so side by side.Often save between barrier and have the clean-up port 2 being provided with diameter 0.3m, the rubbish be trapped in barrier so that clear and particulate matter.Rubbish and large particulate matter are trapped within barrier, and the rainwater after filtration can flow in water leg.
As shown in Figure 2, precipitation/seepage basin is made up of two units in series.Be first step precipitation/seepage basin 4 at first unit, wherein form the fluidised form of eddy flow.Slightly bigger particulate matter can be deposited at the bottom of pond, and rainwater also can penetrate among the soil of surrounding simultaneously.Rainwater after preliminary sedimentation enters second stage precipitation/seepage basin 6.There is baffle plate 14 in the middle of two-stage precipitation/seepage basin, rainwater flow velocity can be reduced further.Rainwater is in a standing state in second stage precipitation/seepage basin 6, and therefore comparatively small particle can precipitate further, and rainwater also can penetrate among the soil of surrounding further.
As shown in Figure 2, there are two such processing units arranged side by side in treatment system.Precipitation/seepage basin also can directly enter next processing unit by the upflow tube in precipitation/seepage basin by excessive rainfall.Precipitation/seepage basin is embedded in underground, can be made up or Steel Concrete is made of HDPE material.
As shown in Figure 2, in filter tank 21, there are 9 row, 11 row filter cores.This arrangement changes according to the size of the process water yield.Filter core is placed on supporting bed, and the hollow tube 16 in each filter core is connected with blowoff basin.Rainwater flows into filter core from the gap between filter core cover and filter core chassis.Rainwater flows through from bottom to top in the process of filtrate, and particulate matter is trapped among the space between filtrate, the pollutent of solubility, as heavy metal adsorb by filter material surface and remove.Rainwater after filtration enters blowoff basin 18 by hollow tube stream 16, then discharges system.The rainwater exceeding designing treatment flow can flow directly into effluent trough 8 by overflow weir 19, discharges system.
Embodiment 2
This embodiment discloses carries out for floating refuse in rainwater and macrobead pollutent the rainwater treatment device removed.This embodiment only adopts tubbiness to filter this isolated system of barrier.The structure that tubbiness filters barrier is consistent with the tubbiness filtration barrier shown in Fig. 1 with Fig. 2, and rainwater is flowed into by collecting and filters barrier.Barrier often saves long 0.5 meter, is made up of 6 joints.Be made up of zinc-plated stainless steel.Barrier two ends are fixed in the tank of cement concrete fortification, and centre has support to connect with at the bottom of pond.Within one week, a long 30mm is had every 22.5 °, the slot of wide 3mm along bucket; Often save the hole that barrel-shaped barrier has 20 row so side by side.Often save between barrier and have the opening being provided with diameter 0.2m, to remove the rubbish and particulate matter that are trapped in barrier.Rubbish and large particulate matter are trapped within barrier, and rainwater flows into tank from the gap of barrier.The rainwater pipeline in downstream is discharged into by the water shoot of bottom of gullet, or in river course.
Embodiment 3
This embodiment discloses carries out for the suspended substance in rainwater, small-particle and the pollutent be attached on small-particle the rainwater treatment device removed.This embodiment only adopts this isolated system of precipitation/seepage basin.The structure of precipitation/seepage basin and the precipitation/seepage basin shown in Fig. 1 and Fig. 2 similar, same adopt multistage configuration, progression can be configured to one-level, two-stage or more multistage as required.Rainwater flows into first step precipitation/seepage basin from side direction with certain speed by collecting.Rainwater forms the fluidised form of eddy flow in first step precipitation/seepage basin.Slightly bigger particulate matter is deposited at the bottom of pond, and rainwater also can penetrate among the soil of surrounding simultaneously.Rainwater after preliminary sedimentation is by entering second stage precipitation/seepage basin downward opening communicating pipe.Rainwater is in a standing state in the precipitation/seepage basin of the second stage, and therefore less precipitable particulate matter can precipitate further, and rainwater also can penetrate among the soil of surrounding further simultaneously.According to processing requirements, the third stage or fourth stage precipitation/seepage basin can also be had after the precipitation/seepage basin of the second stage, remove throw out further and infiltrate soil around.Rainwater after process enters downstream by discharge pipe line.
Embodiment 4
This embodiment discloses carries out for the finely ground particles in rainwater, dissolved organic matter and heavy metal contaminants the rainwater treatment device removed.This embodiment only adopts this isolated system of filter tank.The structure in filter tank is consistent with the filter tank shown in Fig. 1 with Fig. 2.Rainwater flows into filter tank by collecting.The filter core determined according to the size of the process water yield is placed in filter tank.Filter core is placed on supporting bed, and the hollow tube in each filter core is connected with blowoff basin.Rainwater flows into filter core from the gap between filter core cover and filter core chassis.Rainwater flows through from bottom to top in the process of filtrate, and particulate matter is trapped among the space between filtrate, the pollutent of solubility, as heavy metal adsorb by filter material surface and remove.Rainwater after filtration flows into blowoff basin by hollow tube, then discharges system, enters Storm Sewer Network or the water body in downstream.Excessive rainwater enters Storm Sewer Network or the water body in downstream by overflow groove.
Embodiment 5
This embodiment discloses carries out for the floating matter in rainwater, particulate matter, organism and heavy metal contaminants the rainwater treatment device removed.This embodiment tubbiness filters barrier and these two devices of filter tank are connected to form.It is consistent with the structure shown in Fig. 1 and Fig. 2 with the structure in filter tank that tubbiness filters barrier.Rainwater flows into tubbiness by collecting and filters barrier.Rubbish and large particulate matter are trapped within filters within barrier, and rainwater flows into tank from the gap of filtering barrier.Filter tank is flowed into by the pipeline be connected with filter.Rainwater flows into filter core from the gap between filter core cover and filter core chassis.Rainwater flows through from bottom to top in the process of filtrate, and particulate matter is trapped among the space between filtrate, the pollutent of solubility, as heavy metal adsorb by filter material surface and remove.Rainwater after filtration flows into blowoff basin by hollow tube, then discharges system, enters Storm Sewer Network or the water body in downstream.Excessive rainwater enters Storm Sewer Network or the water body in downstream by overflow groove.
Embodiment 6
This embodiment discloses carries out for the suspended substance in rainwater, small-particle and the pollutent be attached on small-particle and dissolved organic matter and heavy metal the rainwater treatment device removed.This embodiment by precipitating/seepage basin and these two devices of filter tank are connected to form.Precipitation/seepage basin is consistent with the structure shown in Fig. 1 and Fig. 2 with the structure in filter tank.Rainwater flows into first step precipitation/seepage basin from side direction with certain speed by collecting.Rainwater forms the fluidised form of eddy flow in first step precipitation/seepage basin.Slightly bigger particulate matter is deposited at the bottom of pond, and rainwater also can penetrate among the soil of surrounding simultaneously.Rainwater after preliminary sedimentation is by entering second stage precipitation/seepage basin downward opening communicating pipe.Rainwater is in a standing state in the precipitation/seepage basin of the second stage, and therefore less precipitable particulate matter can precipitate further, and rainwater also can penetrate among the soil of surrounding further simultaneously.Rainwater after process flows into filtering basin.Rainwater flows into filter core from the gap between filter core cover and filter core chassis.Rainwater flows through from bottom to top in the process of filtrate, and particulate matter is trapped among the space between filtrate, the pollutent of solubility, as heavy metal adsorb by filter material surface and remove.Rainwater after filtration flows into blowoff basin by hollow tube, then discharges system, enters Storm Sewer Network or the water body in downstream.Excessive rainwater enters Storm Sewer Network or the water body in downstream by overflow groove.
Claims (9)
1. from rainfall runoff, remove a device for pollutent, it is characterized in that, comprising:
Tubbiness filters barrier, tubbiness filter barrier dam input water in floating matter and macrobead thing after export, described tubbiness filters barrier and comprises several tubbiness barrier joint connected successively, and each tubbiness barrier joint has ordered series of numbers hole, and each row even branch in hole at tubbiness barrier joint circumferentially;
Precipitation/seepage basin, precipitation/seepage basin comprises the two-stage precipitation/seepage basin be connected successively, first step precipitation/seepage basin receives the water of input, water flows into from the side direction of first step precipitation/seepage basin and form eddy flow in first step precipitation/seepage basin, second stage precipitation/seepage basin receives the water flowed out from first step precipitation/seepage basin, and water exports reduce flow velocity in the precipitation/seepage basin of the second stage after;
Filter tank, has filter core in filter tank, and the current filtration core in input filter tank, discharges bottom filter tank;
Wherein, described tubbiness filter barrier, precipitation/seepage basin and filter tank one of them or be severally in turn connected to form described device.
2. from rainfall runoff, remove the device of pollutent as claimed in claim 1, it is characterized in that, long 1.5 meters of each tubbiness barrier joint, the upper arrangement 20 of each tubbiness barrier joint arranges hole, each row hole offers a slot along the periphery of bucket every 22.5 °, described tubbiness filters barrier and comprises 2 to 6 tubbiness barrier joints, and the junction of each tubbiness barrier joint is provided with clean-up port, and the junction of filtering barrier and rainwater header at tubbiness is provided with clean-up port.
3. from rainfall runoff, remove the device of pollutent as claimed in claim 1, it is characterized in that, first step precipitation/seepage basin is barrel-shaped, water inlet pipe and upflow tube is comprised in first step precipitation/seepage basin, the feed-water end of water inlet pipe is reclinate elbow, opening is towards bottom, and the water side of water inlet pipe is communicated to second stage precipitation/seepage basin, and the open height of feed-water end is lower than the specified retaining height of first step precipitation/seepage basin; Upflow tube is communicated with first step precipitation/seepage basin and second stage precipitation/seepage basin, the height of upflow tube higher than first step precipitation/seepage basin maximum retaining highly.
4. from rainfall runoff, remove the device of pollutent as claimed in claim 3, it is characterized in that, second stage precipitation/seepage basin is barrel-shaped, and center has a baffle plate, second stage precipitation/seepage basin is divided into front and rear by baffle plate, and the water side of water inlet pipe is positioned at front portion; Second stage precipitation/seepage basin has water shoot, and the feed-water end of water shoot is positioned at rear portion and the water side of level height and water inlet pipe is contour, and the water side of water shoot is communicated to filter tank; The bottom of baffle plate and the second stage precipitates/bottom of seepage basin between have a gap, the top of baffle plate is higher than the specified retaining height of second stage precipitation/seepage basin.
5. from rainfall runoff, remove the device of pollutent as claimed in claim 4, it is characterized in that, the bottom of first step precipitation/seepage basin and second stage precipitation/seepage basin is equipped with metalling and pedosphere.
6. from rainfall runoff, remove the device of pollutent as claimed in claim 1, it is characterized in that, described filter tank comprises:
Overflow weir, overflow weir is separated out overflow groove from filter tank, overflow groove communicated drainage pipe network;
Supporting bed, filter tank is divided into upper space and lower space by supporting bed, and upper space is Storage and Processing space, and lower space is drainage space;
Several filter core, several filter core is supported in upper space by supporting bed, and filter core is tubbiness;
Blowoff basin, is arranged in lower space, and supporting bed has the through hole be communicated with blowoff basin, blowoff basin is communicated to overflow groove.
7. from rainfall runoff, remove the device of pollutent as claimed in claim 6, it is characterized in that, described filter core is sleeve shaped, lower width is greater than upper width, and filter core comprises chassis, filter screen, filtrate, outer cover and hollow tube, has gap between outer cover and chassis, filtrate is placed within filter screen, hollow tube is placed in the center of filter core, and is communicated with the through hole on supporting bed, and filter core is surrounded by outer cover.
8. from rainfall runoff, remove as claimed in claim 6 the device of pollutent, it is characterized in that, described filtrate is fine sand, zeolite granular, perlite particle, activated carbon granule, surface are coated with in the synthetic filler of metal oxide one or more.
9. from rainfall runoff, remove the device of pollutent as claimed in claim 1, it is characterized in that, described device entirety is embedded in underground, and has the passage being communicated to ground, the skeleton construction reinforced concrete prefabricated board structure of this device.
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| CN201210277264.2A CN103570149B (en) | 2012-08-06 | 2012-08-06 | Device for removing pollutants from rainwater runoff |
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| CN201210277264.2A CN103570149B (en) | 2012-08-06 | 2012-08-06 | Device for removing pollutants from rainwater runoff |
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| CN103570149B true CN103570149B (en) | 2015-05-27 |
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| CN104370384B (en) * | 2014-02-26 | 2017-01-11 | 上海市政工程设计研究总院（集团）有限公司 | Unpowered integrated rainwater cyclone processing apparatus and method for processing rainwater by utilizing same |
| CN104829051B (en) * | 2015-04-27 | 2017-01-18 | 桂林市广泽科技开发有限公司 | Intelligent rainwater/waste water purification treatment system and application and treatment method thereof |
| KR101624280B1 (en) * | 2015-07-14 | 2016-05-25 | 주식회사 태명 | Install method of rainwater storage thank |
| CN105013244B (en) * | 2015-07-30 | 2017-09-29 | 武汉美华禹水环境有限公司 | Multistage rainwater purification processing equipment |
| CN105396350B (en) * | 2015-11-26 | 2017-10-24 | 苏州市清泽环境技术有限公司 | Unpowered rainwater solid refuse and particulate matter retention screen casing and device for trapping |
| CN105645691B (en) * | 2016-02-25 | 2019-02-05 | 苏州市清泽环境技术有限公司 | Multifunctional ecological tree pond |
| CN105735461A (en) * | 2016-04-14 | 2016-07-06 | 日照市东兴城市配套设备有限公司 | Well and water collection well |
| CN107619126B (en) * | 2017-11-08 | 2024-02-09 | 苏州础润生态科技有限公司 | Road rainwater anti-blocking centrifugal separation purification device |
| CN108222237A (en) * | 2018-02-28 | 2018-06-29 | 仁创生态环保科技股份有限公司 | A kind of water purification water storage device |
| CN108557922A (en) * | 2018-06-05 | 2018-09-21 | 中国科学院南京土壤研究所 | The buried preposition purification system of farmland water-break |
| CN108529778A (en) * | 2018-06-05 | 2018-09-14 | 中国科学院南京土壤研究所 | The preposition purification system of agricultural run-off drain moduleization |
| CN111335158B (en) * | 2020-03-26 | 2021-05-18 | 华中科技大学 | Floating bridge deck runoff collecting device |
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