CN205637035U - Urban rainwater abandons to flow through and strains storage leakage system - Google Patents

Abstract

The utility model discloses an urban rainwater abandons to flow through and strains storage leakage system, including set up underground abandon a class device, filtering -purifying device and storage seepage device, abandon a class device and abandon the flow tube and be connected with municipal blow off pipe through the pipeline, abandon class device and collect mouthful and to be connected with the filtering -purifying device water inlet through the pipeline, filtering -purifying device collect mouthful through the pipeline with save the seepage device and be connected, the filtering -purifying device blow off pipe is connected with municipal discharge pipeline through the pipeline, abandons class device flood discharge mouth and still is connected with the municipal drainage pipe way through the pipeline. The beneficial effects of the utility model are that: according to the initial rainwater discarding value that planned in each city, any the accurate stream of abandoning of the accurate realization rainwater of homoenergetic falls under the rain condition condition filter the storage the seepage function to can ensure safety discharging effectively, the structure is reliable, and it is convenient to maintain.

Description

A kind of urban rainwater abandoned stream filters storage leaking substance

Technical field

This utility model relates to a kind of rain processing system, a kind of rain water drainage mistake being applied in sponge urban construction Filter storage leaking substance.

Background technology

It is that row's block is put soon that urban construction in the past solves the thinking of rainwater emission problem, is collected its draining municipal administration by ground rainwater mouth Storm sewer system, is finally drained to natural water area.This processing method does not consider the collection recycling of rainwater, wastes Natural resources, and be not provided with regulating and storing and purification facility, under heavy showers environment, it is involved in the rubbish of pipe-line system by rainwater with miscellaneous Thing not only easy blocking pipeline, can cause environmental pollution to natural water area equally.

In order to solve upper problem, country proposes " sponge city " this concept, i.e. for the rain of modern city design Flood management concept, makes urban infrastructure can adapt to environmental change, it is possible to the impact that elastic reply rainwater brings, in rainfall Time water suction, water-retention, infiltration, water purification, when necessary will storage and process after rainwater release utilize.

In prior art, the thinking to rainwater storage and utilization is to be concentrated to storage in large-scale cistern, is entered by pipeline when needing again Row conveying or the transhipment of mobile instrument, this type of large-scale cistern maintenance cost is higher, and the wave such as the consumption in rainwater volatilization and transport Take degree more serious, do not accomplish that real energy-conserving and environment-protective and resource make full use of.

Utility model content

The purpose of this utility model is: provide a kind of urban rainwater abandoned stream to filter storage leaking substance, by following technical side Case realizes:

A kind of urban rainwater abandoned stream filters storage leaking substance, it is characterised in that, including being arranged on the flow abandoning apparatus of underground, filtration Cleaning equipment and storage leak device, affiliated flow abandoning apparatus abandoned stream pipe is connected with municipal administration blow-off pipe by pipeline, flow abandoning apparatus Collection port is connected with filtering purifying equipment water inlet by pipeline, and filtering purifying equipment collection port is by pipeline and storage seepage Device is connected, and filtering purifying equipment blow-off pipe is connected with municipal administration blowoff line by pipeline, and flow abandoning apparatus floodwater releasing port is the most logical Piping is connected with municipal drainage pipeline.

As selection, described flow abandoning apparatus includes that the abandoned stream in the middle part of the flow abandoning apparatus water inlet being arranged on device top and device fills Putting collection port, be additionally provided with flow-stopping plate inside device, flow-stopping plate top is arranged at below flow abandoning apparatus collection port, and bottom is arranged In device inner bottom surface, the chamber that the sidewall at flow-stopping plate and flow abandoning apparatus collection port place is constituted by dividing plate be divided into upper chamber and under Chamber, dividing plate is provided with small opening, and flow-stopping plate lower, transverse is provided with abandoned stream plate, and flow-stopping plate, flow abandoning apparatus are received by abandoned stream plate The chamber that sidewall relative for Ji Kou is constituted is divided into above storing stream chamber and be positioned at the abandoned stream chamber of lower section, and abandoned stream chamber is external to be abandoned Flow tube, abandoned stream plate is provided with abandoned stream mouth, is provided with the first ball-cock assembly and the control controlling small opening opening and closing in described flow abandoning apparatus Second ball-cock assembly of abandoned stream mouth opening and closing, is additionally provided with magnetic attracting valve below abandoned stream mouth.

As selection, described flow abandoning apparatus middle and upper part is provided with floodwater releasing port, higher than flow abandoning apparatus collection port top bottom floodwater releasing port, Device top is provided with access hole, is provided with filtration Hanging Basket below device water inlet, and flow abandoning apparatus collection port entry position is arranged There is drainage screen, flow-stopping plate is provided with the through leakage mouth storing stream chamber and lower chambers, and the discharge opeing in through lower chambers and abandoned stream chamber Mouthful, leakage mouth and leakage fluid dram area equation.

As selection, described flow abandoning apparatus is provided with drain between the sidewall at flow-stopping plate top and flow abandoning apparatus collection port place Pipe, upper chamber's water inlet is provided with dismountable blend stop, abandoned stream chamber external abandoned stream pipe, is connected with municipal administration blow-off line, Flow abandoning apparatus flow-limiting valve it is provided with on abandoned stream pipe.

As selection, described filtering purifying equipment is screened well, and described screened well is double-wall structure, screened well internal chamber wall institute The chamber surrounded is filter chamber, is provided with reverse defecator in filter chamber, and reverse defecator is provided above being collected by filtration Mouthful, the chamber between screened well internal chamber wall and screened well outer chamber wall is drainage lumens, is provided with through hole bottom screened well internal chamber wall, will Filter chamber is through with drainage lumens, and screened well outer chamber wall is provided above the filtering purifying equipment water inlet through with drainage lumens, if Standby bottom is provided with the filtering purifying equipment sewage draining exit through with filter chamber.

As selection, described reverse defecator includes framework and filtering module, and lower portion is provided with several layers and crosses filter grid, mistake Filter module was arranged in filter grid, was provided with filtering core in filtering module, and the size of filtering module, size are the most equal, mutually Between Xiang replaceable, described filtering core is quartz sand, activated carbon, filter screen or filter cloth.

As selection, sewage draining exit is connected with municipal administration blow-off line by blow-off line, is provided with use bottom filtering purifying equipment In the 3rd ball-cock assembly of control of sewage disposal mouth opening and closing, the 3rd bulb stopper of the 3rd ball-cock assembly is provided with groove.

As selection, described storage leak device is for storing leakage tank, and tank body top is provided with leakage tank water inlet, by pipe Road is connected with the mouth that is collected by filtration of screened well.

As selection, described seepage tank body is double-wall structure, and the chamber that leakage tank inwall is surrounded constitutes water storage cavity, seepage Chamber between top tank structure and leakage tank outer wall constitutes seepage chamber, and leakage tank outer wall bottom offers weepage holes, on leakage tank inwall Portion is provided with the spout hole of through water storage cavity and seepage chamber, and seepage intracavity is arranged at intervals with support floor.

As selection, described support floor offering priming hole, spout hole is provided with one-way membrane, tank base is provided with Supporting seat, leakage tank is arranged in the capital construction hole below road surface, and capital construction hole wall and bottom are equipped with infiltration geotextiles, tank body with Filling with viscous flow seepage flow layer between the wall of capital construction hole, capital construction is additionally provided with back-up coat bottom hole, supports seat and is arranged at above back-up coat.

Feature of the present utility model is:

1. native system incorporates rainwater early stage abandoned stream, filtration, purification and storage seepage function.After rainfall, rainwater is from urban pavement Sewer enters flow abandoning apparatus, and the contaminated rainwater of early stage is by abandoned stream, and then flow abandoning apparatus starts to collect comparatively Clean rainwater, this part rainwater enters filtering purifying equipment by pipeline, is filtered by filtering purifying equipment, so Storage in the water storage cavity of storage leak device is entered afterwards by pipeline, when rainwater amount of storage reaches to a certain degree, logical Cross the outside seepage in seepage chamber, it is achieved that the environmental protection and energy saving effect of the accurate abandoned stream-filtration-collection-recycling of rainwater can be complete Entirely disclosure satisfy that the related needs about rainwater treatment in urban construction, be particularly suitable for applying to sponge urban planning and set Meter.

2., in flow abandoning apparatus, arranged by the combination of the first ball-cock assembly, the second ball-cock assembly and magnetic attracting valve, it is achieved liquid level is automatic Control valve opening and closing, thus realize rainwater automatic flow abandoning and collection, can according to the early stage rain water drainage amount in city, place, The volume of each chamber in flow abandoning apparatus is set, the buoyancy value of first, second ball-cock assembly and the opening and closing threshold value of magnetic attracting valve, Realize accurate abandoned stream, make flow abandoning apparatus relatively quickly collect rainwater after abandoned stream, it is to avoid to natural resources Waste.Upper chamber's water inlet is provided with dismountable blend stop, can be by adjusting the number of blend stop to adjust upper chamber Storing greatly flow, thus control device total abandoned stream amount, it is big that upper chamber stores flow, flows into the flow of lower chambers more every time Greatly, it is shorter that lower chambers ball float floats the required time, causes abandoned stream amount to reduce, thus controls abandoned stream efficiency and abandon The stream time.

3., when meeting with heavy showers, rainwater quickly fills with storage stream chamber, and hydraulic pressure is excessive causes magnetic attracting valve to close, and causes device All the time abandoned stream state it is in, it is impossible to carry out rainwater-collecting.Therefore between the sidewall at flow-stopping plate top and collection port place It is provided with drainage tube.When the above-described situation occurs, it is directly discharged into lower chambers higher than the water level of abandoned stream plate from drainage tube, Making the second ball-cock assembly close rapidly abandoned stream mouth, guide enters rainwater-collecting state.For avoiding pipeline to pour in down a chimney, super The rainwater crossing collection port enters municipal drainage pipeline from floodwater releasing port.

4. screened well uses reverse filter design, when rainwater is after filtering purifying equipment water inlet enters drainage lumens, owing to filtering The area of cleaning equipment water inlet is more than sewage draining exit area, and liquid level starts to put aside below filter chamber, and savings is to necessarily After degree, entered above filter chamber by reverse defecator from below, then deposited by pipeline entrance by collection port Storage leak device, after liquid level proceeds to certain phase, sewage draining exit is closed by ball-cock assembly, improves liquid level further and amasss Storing and the rate of filtration, after filtering purifying equipment water inlet stops water inlet, in screened well, the rainwater of savings is from ball-cock assembly Groove on bulb stopper is slowly discharged, and after liquid level drops to certain phase, ball-cock assembly is opened, and residue rainwater is from blowdown Mouth is discharged, and takes away the remaining impurity of Partial filtration simultaneously, and device resets, and waits and filtering next time, it is achieved whole mistake The automatic pollution discharge of filter well.

5. the reverse defecator used at screened well, each filtering module uses standardized designs, and size, size are the most equal, The most replaceable, the quantity of filtering module can be adjusted according to filtration needs, arranges by dmp filter direction For early stage filtering module, mid-term, filtering module and later stage filtering module, can use number relatively low in early stage filtering module Quartz sand, the large granular impurity in rainwater is filtered, mid-term, filtering module can use the quartz that mesh number is higher Sand, filters again to impurity, and later stage filtering module can use activated carbon, to the fine particulate material in rainwater Adsorb, designed by above-mentioned multiple filtration, effectively rainwater can be carried out filtration, purification.

6. it is provided with single-way flow restricting valve on flow abandoning apparatus, it is to avoid the sewage in municipal administration blow-off line enters system by blow-off pipe.

7. it is arranged at underground due to storage leakage tank, under ground pressure and intracavity collected rainwater internal pressure effect, tank body pole Likely deforming breakage, therefore seepage intracavity is arranged at intervals with support floor, improves bearing capacity and the safety of tank body Performance, supports on floor simultaneously and is provided with priming hole, make whole seepage intracavity through, and rainwater is uniform at seepage intracavity Distribution, it is to avoid rainwater is concentrated for a long time and is piled up in the tank body deformation that certain causes, and spout hole is provided with one-way membrane, Rainwater can only be from seepage chamber one-way flow, it is to avoid rainwater pours in down a chimney back water storage cavity from seepage chamber, between tank body and capital construction hole Being filled with viscous flow seepage flow layer, rainwater enters viscous flow seepage flow layer after weepage holes is oozed out, and further enters ground end seepage Layer, to realize the rainwater storage in whole region and ground end seepage.

8. being filled with viscous flow seepage flow layer between tank body and capital construction hole, viscous flow seepage flow layer is to be mixed by the sand gravel of diameter 1mm-10mm Conjunction forms, and rainwater enters viscous flow seepage flow layer after weepage holes is oozed out, and further enters Soil Surrounding, to improve ground Lower water level, it is achieved the rainwater storage in whole region and ground end seepage, capital construction hole wall and bottom are equipped with infiltration geotechnique Cloth, intercepts impurity, isolation surrounding soil and impurity and enters the sandy gravel stratum in capital construction hole, avoid sandy gravel stratum to enter simultaneously Surrounding soil.

9. native system can be arranged at urban road bicycle lane, footpath or municipal park, greenery patches etc. below ground flexibly, Without taking spatial surface.

The beneficial effects of the utility model are: the early-stage rainwater stream abandoning value planned according to each city, under any rain fall, All can precisely realize the accurate abandoned stream-filtration-storage-seepage function of rainwater, and can effectively ensure that flood passage safety, structure is reliable, Easy to maintenance.

Accompanying drawing explanation

Fig. 1 is overall structure block diagram of the present utility model；

Fig. 2-Fig. 6 is the concrete structure schematic diagram of filtering purifying equipment；

Fig. 7-Figure 11 is concrete structure and the set-up mode schematic diagram of stored filter cleaning equipment；

The concrete structure of Figure 12-Figure 19 position flow abandoning apparatus and operation principle schematic diagram；

In figure, 1 is filtering purifying equipment, and 2 is filtering purifying equipment access hole, and 3 is filtering purifying equipment water inlet, and 4 are Drainage lumens, 5 is filter chamber, and 6 is sewage draining exit, and 7 is the 3rd ball-cock assembly, and 8 is reverse defecator, and 9 for being collected by filtration mouth, 10 is through hole, and 11 is later stage filtering module, and 12 is filtering module in mid-term, and 13 is early stage filtering module, and 14 is framework, 15 For crossing filter grid, 16 is ball float, and 17 is lever, and 18 is bulb stopper, and 19 is groove, and 20 is leakage tank water inlet, and 21 is seepage Top tank structure, 22 is leakage tank outer wall, and 23 is water storage cavity, and 24 is seepage chamber, and 25 for supporting floor, and 26 overhaul for leakage tank Mouthful, 27 for supporting seat, and 28 is spout hole, and 29 is priming hole, and 30 is weepage holes, and 31 for checking pipeline, and 32-1 is road surface Layer, 32-2 is mixing packed layer, and 32-3 is roadbase, and 32-4 is for being detained seepage flow layer, and 32-5 is soil horizon, and 33 for adding Gu layer, 34 is infiltration geotextiles, and 35 is flow abandoning apparatus water inlet, and 36 is flow abandoning apparatus access hole, and 37 for filtering Hanging Basket, 38 is flow abandoning apparatus collection port, and 39 is flow abandoning apparatus drainage screen, and 40 is floodwater releasing port, and 41 is flow-stopping plate, and 42 is upper chamber, 43 is small opening, and 44 is the first ball-cock assembly, and 45 for storing stream chamber, and 46 is lower chambers, and 47 is the second ball-cock assembly, and 48 is magnetic attracting valve, 49 is abandoned stream mouth, and 50 is abandoned stream chamber, and 51 is abandoned stream pipe, and 52 is single-way flow restricting valve, and 53 is leakage mouth, and 54 is leakage fluid dram, 55 is abandoned stream plate, and 56 is drainage tube, and 57 is dividing plate, and 58 is blend stop.

Detailed description of the invention

Below in conjunction with specific embodiments and the drawings, this utility model is further described.

With reference to shown in Fig. 1, a kind of urban rainwater abandoned stream filters storage leaking substance, including be arranged on underground flow abandoning apparatus, Filtering purifying equipment and storage leak device, affiliated flow abandoning apparatus abandoned stream pipe is connected with municipal administration blow-off pipe by pipeline, abandoned stream Device collection port is connected with filtering purifying equipment water inlet by pipeline, and filtering purifying equipment collection port passes through pipeline and storage Leak device is connected, and filtering purifying equipment blow-off pipe is connected with municipal administration blowoff line by pipeline, flow abandoning apparatus floodwater releasing port It is connected with municipal drainage pipeline also by pipeline.

With reference to shown in Fig. 2-Fig. 6, filtering purifying equipment 1 is screened well, and screened well is double-wall structure, screened well internal chamber wall The chamber surrounded is filter chamber 5, is provided with reverse defecator 8 in filter chamber, and reverse defecator 8 was provided above Filter collection port 9, the chamber between screened well internal chamber wall and screened well outer chamber wall is drainage lumens 4, is provided with bottom screened well internal chamber wall Through hole 10, by through with drainage lumens 4 for filter chamber 5, it is clean that screened well outer chamber wall is provided above the filtration through with drainage lumens 4 Change equipment water inlet 3, device bottom is provided with the sewage draining exit 6 through with filter chamber 5, the face of filtering purifying equipment water inlet 3 Long-pending more than sewage draining exit area 6.Described reverse defecator 8 includes framework 14 He, and frame is internally provided with three layer filtration lattice 15, Early stage filtering module 13, mid-term filtering module 12 and later stage filtering module 11 be arranged in filter grid 15, early stage filtering module Using the quartz sands of 1 mesh in 13, mid-term, filtering module 12 used the quartz sand of 10 mesh, and later stage filtering module 11 uses activity Charcoal.Sewage draining exit 6 is connected with municipal administration blow-off line by blow-off line, is provided with for controlling row bottom filtering purifying equipment The ball-cock assembly of dirty mouth 6 opening and closing, the bulb stopper 18 of ball-cock assembly is provided with groove 19.

With reference to shown in Fig. 7-Figure 10, seepage tank body is double-wall structure, and the chamber that leakage tank inwall 21 is surrounded constitutes water storage Chamber 12, the chamber between leakage tank inwall 21 and leakage tank outer wall 23 constitutes seepage chamber 24, leakage tank outer wall 22 offers Weepage holes 30, leakage tank inwall 21 top is provided with the spout hole 28 of through water storage cavity 23 and seepage chamber 24, seepage chamber 24 Inside it is arranged at intervals with support floor 25, described support floor 25 offers priming hole 29, described spout hole 28 is provided with One-way membrane, described tank body top arranges promising leakage tank access hole 26, and described tank base is provided with support seat 27.Tank body sets It is placed in the capital construction hole below the 32-1 of road surface, leakage tank access hole is provided with the service conduits 31 towards road surface, the capital construction end, hole Portion is provided with back-up coat 33, supports seat 27 and is arranged at above back-up coat 33, with viscous flow seepage flow layer 32-5 between tank body and capital construction hole wall Filling, be detained seepage flow layer and use the sand gravel of 1mm-10mm to mix, capital construction hole wall and bottom are equipped with infiltration geotextiles 34, After rainwater oozes out in tank body, enter and be detained seepage flow layer, more gradually penetrate into the soil horizon 32-4 of periphery through infiltration geotextiles, To play underground storage and to improve the effect of level of ground water.

With reference to shown in Figure 11-Figure 13, in the middle part of flow abandoning apparatus water inlet 35 that flow abandoning apparatus includes being arranged on device top and device Flow abandoning apparatus collection port 38, be additionally provided with flow-stopping plate 7 inside device, flow-stopping plate 7 top is arranged at flow abandoning apparatus collection port Below 38, bottom is arranged at device inner bottom surface, the chamber that the sidewall at flow-stopping plate 41 and flow abandoning apparatus collection port 38 place is constituted Being divided into upper chamber 42 and lower chambers 46 by dividing plate 57, dividing plate 57 is provided with small opening 43, flow-stopping plate 41 lower, transverse sets Being equipped with abandoned stream plate 55, the chamber that sidewall relative to flow-stopping plate 41, flow abandoning apparatus collection port 38 is constituted is divided into by abandoned stream plate 55 Above stores stream chamber 45 and is positioned at the abandoned stream chamber 50 of lower section, abandoned stream chamber 50 external abandoned stream pipe 51, and abandoned stream plate 55 sets It is equipped with abandoned stream mouth 49, is additionally provided with as controlling the first ball-cock assembly 44 of small opening 43 opening and closing and opening for controlling abandoned stream mouth 49 The second ball-cock assembly 47 closed, is additionally provided with magnetic attracting valve 48 below abandoned stream mouth 49.Device middle and upper part is provided with floodwater releasing port 40, lets out Higher than collection port 38 top bottom flood mouth 40, device top is provided with flow abandoning apparatus access hole 38.Flow abandoning apparatus water inlet 35 Lower section is provided with filtration Hanging Basket 37.Flow abandoning apparatus collection port 38 entry position is provided with flow abandoning apparatus drainage screen 39.Flow-stopping plate The through leakage mouth 53 storing stream chamber 45 and lower chambers 46 it is provided with on 41, and the discharge opeing in through lower chambers 46 and abandoned stream chamber 50 Mouth 54, leakage mouth 53 and leakage fluid dram 54 area equation.Flow-stopping plate 41 top and the sidewall at flow abandoning apparatus collection port 38 place Between be provided with drainage tube 56.Dismountable blend stop 58 it is provided with on upper chamber 42 water inlet.Flow abandoning apparatus collection port 38 is led to Piping is connected with filtering purifying equipment water inlet 3, and floodwater releasing port 40 is connected with municipal drainage pipeline, outside abandoned stream chamber 50 Connect abandoned stream pipe 51 to be connected with municipal administration blow-off line, abandoned stream pipe 51 is provided with single-way flow restricting valve 52.

Workflow of the present utility model:

1. after rainfall, rainwater enters flow abandoning apparatus from urban pavement sewer mouth by water inlet, due to magnetic attracting valve under original state Closing, rainwater is storing stream intracavity savings, and sub-fraction rainwater enters lower chambers by leakage mouth, passes through discharge opeing immediately Mouth is entered abandoned stream chamber and is discharged by abandoned stream pipeline；

2. storing stream intracavity liquid level persistently to rise, make the first ball-cock assembly close small opening, rainwater enters upper chamber and starts water-retention；

3. when liquid level rises to magnetic attracting valve preset value, magnetic attracting valve is opened, and stores stream intracavity liquid level and is discharged rapidly by abandoned stream mouth, Liquid level declines, and the first ball-cock assembly opens small opening, and in upper chamber, the rainwater of savings enters lower chambers by through hole, stores stream After intracavity liquid level is close to emptying, magnetic attracting valve is closed, and stores stream chamber and restarts water-retention, when meeting with heavy showers, and rainwater Quickly fill with storage stream chamber, be directly discharged into lower chambers higher than the water level of abandoned stream plate from drainage tube, make the second ball-cock assembly rapid Closing abandoned stream mouth, guide enters rainwater-collecting state.For avoiding pipeline to pour in down a chimney, exceed the rainwater of collection port from Floodwater releasing port enters municipal drainage pipeline；

4., after step 3 repeats n times, the rainwater discharged has reached city and has preset early-stage rainwater stream abandoning amount requirement, can start Collecting follow-up cleaning rainwater, now bottom chamber rainwater puts aside the closedown preset value of the second ball-cock assembly, and second floats Abandoned stream mouth is closed by ball valve, and magnetic attracting valve simultaneously closes off, and whole liquid level starts persistently to rise, and rainwater passes through from collection port Pipeline enters filtering purifying equipment；

5. after rainwater enters filtering purifying equipment, part rainwater is discharged by sewage draining exit, remains in after being filtered the last time simultaneously The partial impurities of bottom washes away from sewage draining exit in the lump, and owing to sewage draining exit area is less than fluid guidance port, therefore rainwater is filtering Savings in chamber and drainage lumens, when after liquid level savings to certain position, lifts the 3rd ball float, and the 3rd bulb stopper is by sewage draining exit Close, improve liquid level savings speed further；

6. the rainwater of savings is entered above filter chamber by filtering purifying equipment, and impurity is entered by the rainwater after filtering and is collected by filtration The water storage cavity that mouth enters storage leak device by pipeline is collected；

7. put aside to time to a certain degree when the rainwater in tank body water storage cavity, enter seepage chamber by spout hole, propped up by seepage chamber Priming hole on stake rib plate flows freely, more directly penetrates into periphery viscous flow seepage flow layer by weepage holes；

8., when meeting with heavy showers, for avoiding pipeline to pour in down a chimney, the rainwater exceeding collection port in flow abandoning apparatus enters city from floodwater releasing port Political affairs discharge pipe line, it is ensured that flood passage is unobstructed；

9. after rainfall stops, not stopping along with leakage fluid dram to discharge rainwater, overall liquid level continuous decrease in flow abandoning apparatus, first Discharging the rainwater storing stream intracavity, bottom chamber rainwater drains the most therewith, and the second ball-cock assembly is opened, and flow abandoning apparatus recovers Original state, filtering purifying equipment water inlet is the most no longer intake simultaneously, rainwater the leading to from the 3rd bulb stopper of internal savings Groove is discharged with sewage draining exit, and when liquid level drops to a certain degree, the 3rd ball-cock assembly is opened, and improves draining speed further Degree, empties rainwater in screened well, and after being filtered, remaining impurity is discharged from sewage draining exit in the lump simultaneously, by row Dirty bank of tubes enters municipal administration blow-off line；

10. the rainwater after filtering enters water storage cavity savings from water inlet, flows into seepage chamber, ooze after liquid level exceeds spout hole The rainwater of leakage intracavity is flowed freely by priming hole, and rainwater penetrates into tank body Soil Surrounding sandy gravel stratum, rainwater from weepage holes Penetrate into soil.After tank body Soil Surrounding seeps water, level of ground water constantly raises, in seepage intracavity water level and water storage cavity Water level raises simultaneously, and after water level is increased to water storage cavity storage completely, water inlet is no longer intake, and unnecessary rainwater is with municipal administration pipeline Discharge.

Number of repetition N in step 4, depends on city initial rainwater this numerical value of abandoned stream amount, can pass through urban planning and construction side Obtaining in case, after converting with this device internal structure specification, the flow needing abandoned stream is V, stores the stream chamber once maximum flow that stores and is V1, it is V2 that upper chamber's maximum stores flow, and it is V3 that lower chambers meets the flow of the second ball-cock assembly Guan Bi abandoned stream mouth, and each chamber is arranged Should meet, N=V/V1=V3/V2, round up.

The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all in this practicality Any amendment, equivalent and the improvement etc. made within novel spirit and principle, should be included in guarantor of the present utility model Within the scope of protecting.

Claims (10)

1. a urban rainwater abandoned stream filters storage leaking substance, it is characterized in that, including being arranged on the flow abandoning apparatus of underground, filtering purifying equipment and storage leak device, described flow abandoning apparatus abandoned stream pipe is connected with municipal administration blow-off pipe by pipeline, flow abandoning apparatus collection port is connected with filtering purifying equipment water inlet by pipeline, filtering purifying equipment collection port is connected with storage leak device by pipeline, filtering purifying equipment blow-off pipe is connected with municipal administration blowoff line by pipeline, and flow abandoning apparatus floodwater releasing port is connected with municipal drainage pipeline also by pipeline.

null2. a kind of urban rainwater abandoned stream as claimed in claim 1 filters storage leaking substance,It is characterized in that,Flow abandoning apparatus collection port in the middle part of flow abandoning apparatus water inlet that described flow abandoning apparatus includes being arranged on device top and device，Flow-stopping plate it is additionally provided with inside device，Flow-stopping plate top is arranged at below flow abandoning apparatus collection port，Bottom is arranged at device inner bottom surface，The chamber that the sidewall at flow-stopping plate and flow abandoning apparatus collection port place is constituted is divided into upper chamber and lower chambers by dividing plate，Small opening it is provided with on dividing plate，Flow-stopping plate lower, transverse is provided with abandoned stream plate，Abandoned stream plate is by flow-stopping plate、The chamber of the sidewall composition that flow abandoning apparatus collection port is relative is divided into above storing stream chamber and be positioned at the abandoned stream chamber of lower section，Abandoned stream chamber external abandoned stream pipe，Abandoned stream mouth it is provided with on abandoned stream plate，The first ball-cock assembly controlling small opening opening and closing and the second ball-cock assembly controlling abandoned stream mouth opening and closing it is provided with in described flow abandoning apparatus，It is additionally provided with magnetic attracting valve below abandoned stream mouth.

3. a kind of urban rainwater abandoned stream as claimed in claim 2 filters storage leaking substance, it is characterized in that, described flow abandoning apparatus middle and upper part is provided with floodwater releasing port, higher than flow abandoning apparatus collection port top bottom floodwater releasing port, device top is provided with access hole, filtration Hanging Basket it is provided with below device water inlet, flow abandoning apparatus collection port entry position is provided with drainage screen, the through leakage mouth storing stream chamber and lower chambers it is provided with on flow-stopping plate, with the leakage fluid dram of through lower chambers Yu abandoned stream chamber, leakage mouth and leakage fluid dram area equation.

4. a kind of urban rainwater abandoned stream as claimed in claim 3 filters storage leaking substance, it is characterized in that, described flow abandoning apparatus is provided with drainage tube between the sidewall at flow-stopping plate top and flow abandoning apparatus collection port place, dismountable blend stop it is provided with on upper chamber's water inlet, abandoned stream chamber external abandoned stream pipe, it is connected with municipal administration blow-off line, abandoned stream pipe is provided with flow abandoning apparatus flow-limiting valve.

5. a kind of urban rainwater abandoned stream as claimed in claim 1 filters storage leaking substance, it is characterized in that, described filtering purifying equipment is screened well, described screened well is double-wall structure, the chamber that screened well internal chamber wall is surrounded is filter chamber, reverse defecator it is provided with in filter chamber, reverse defecator is provided above mouth is collected by filtration, chamber between screened well internal chamber wall and screened well outer chamber wall is drainage lumens, it is provided with through hole bottom screened well internal chamber wall, filter chamber is through with drainage lumens, screened well outer chamber wall is provided above the filtering purifying equipment water inlet through with drainage lumens, device bottom is provided with the filtering purifying equipment sewage draining exit through with filter chamber.

6. a kind of urban rainwater abandoned stream as claimed in claim 5 filters storage leaking substance, it is characterized in that, described reverse defecator includes framework and filtering module, lower portion is provided with several layers and crosses filter grid, filtering module was arranged in filter grid, was provided with filtering core in filtering module, and the size of filtering module, size are the most equal, the most replaceable, described filtering core is quartz sand, activated carbon, filter screen or filter cloth.

7. a kind of urban rainwater abandoned stream as claimed in claim 6 filters storage leaking substance, it is characterized in that, sewage draining exit is connected with municipal administration blow-off line by blow-off line, it is provided with the 3rd ball-cock assembly for control of sewage disposal mouth opening and closing bottom filtering purifying equipment, the 3rd bulb stopper of the 3rd ball-cock assembly is provided with groove.

8. a kind of urban rainwater abandoned stream as claimed in claim 1 filters storage leaking substance, it is characterised in that described storage leak device is for storing leakage tank, and tank body top is provided with leakage tank water inlet, is connected with the mouth that is collected by filtration of screened well by pipeline.

9. a kind of urban rainwater abandoned stream as claimed in claim 8 filters storage leaking substance, it is characterized in that, described seepage tank body is double-wall structure, the chamber that leakage tank inwall is surrounded constitutes water storage cavity, chamber between leakage tank inwall and leakage tank outer wall constitutes seepage chamber, leakage tank outer wall bottom offers weepage holes, and leakage tank upper inside wall is provided with the spout hole of through water storage cavity and seepage chamber, and seepage intracavity is arranged at intervals with support floor.

10. a kind of urban rainwater abandoned stream as claimed in claim 9 filters storage leaking substance, it is characterized in that, priming hole is offered on described support floor, being provided with one-way membrane on spout hole, tank base is provided with support seat, and leakage tank is arranged in the capital construction hole below road surface, capital construction hole wall and bottom are equipped with infiltration geotextiles, filling with viscous flow seepage flow layer between tank body and capital construction hole wall, capital construction is additionally provided with back-up coat bottom hole, supports seat and is arranged at above back-up coat.