CN105672446A - Rainwater collection, storage and utilization integrated system - Google Patents

Rainwater collection, storage and utilization integrated system Download PDF

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Publication number
CN105672446A
CN105672446A CN201610173049.6A CN201610173049A CN105672446A CN 105672446 A CN105672446 A CN 105672446A CN 201610173049 A CN201610173049 A CN 201610173049A CN 105672446 A CN105672446 A CN 105672446A
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CN
China
Prior art keywords
rainwater
water
pipe
permeable membrane
stores
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Granted
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CN201610173049.6A
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Chinese (zh)
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CN105672446B (en
Inventor
周听昌
童薇
田雨
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KUNMING PURETOWN ENVIRONMENTAL TECH Inc Co
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KUNMING PURETOWN ENVIRONMENTAL TECH Inc Co
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Priority to CN201610173049.6A priority Critical patent/CN105672446B/en
Publication of CN105672446A publication Critical patent/CN105672446A/en
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Classifications

    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F1/00Methods, systems, or installations for draining-off sewage or storm water
    • E03F1/002Methods, systems, or installations for draining-off sewage or storm water with disposal into the ground, e.g. via dry wells
    • 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
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/34Biological treatment of water, waste water, or sewage characterised by the microorganisms used
    • 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
    • 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
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F5/00Sewerage structures
    • E03F5/10Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F5/00Sewerage structures
    • E03F5/10Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
    • E03F5/101Dedicated additional structures, interposed or parallel to the sewer system
    • 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
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F2201/00Details, devices or methods not otherwise provided for
    • E03F2201/10Dividing the first rain flush out of the stormwater flow
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/60Planning or developing urban green infrastructure

Abstract

The invention particularly relates to a rainwater collection, storage and utilization integrated system, and aims at providing a rainwater collection, storage and utilization integrated system which can be adapted to discarding, storing and purifying rainwater under the condition of different rainfalls. The system comprises a front cabin, a rear cabin, an adjusting tank and a deep purification tank; a discarding device is arranged in the front cabin; the bottom part of the front cabin is provided with a discarding pipe; a water permeable film is arranged in the deep purification tank. The integrated system is capable of realizing initial discarding and later collection, storage and purification on rain different in rainfall and time duration by utilizing the discarding device, and impurities, such as sand grains, microorganisms, grease and heavy metals, in the rainwater are effectively filtered; moreover, the water permeable film cannot be blocked by the sand grains, and can be used for a long time; a rainwater purification rate can be adjusted according to water quality of the rainwater, so that quality of purified rainwater is increased.

Description

Rainwater-collecting stores and utilizes integral system
Technical field
The present invention relates to rainwater recycle and utilize technical field, store particularly to rainwater-collecting and utilize integral system.
Background technology
At present, city rainwater drainage is typically all functional in organized water drainage, and the rainwater on ground drains into storm sewer by runoff gathering, enters natural water again through For Stormwater Drainage System. Making containing polluters such as substantial amounts of Organic substance, pathogen, heavy metal, oils and fats, suspended solids in early-stage rainwater, therefore, the pollution level of early-stage rainwater is higher, even more than the pollution level of common municipal sewage. In order to effectively utilize rainwater, it is necessary to early-stage rainwater is easily separated, the rainwater at rainfall initial stage is separated and drains into sewage conduct, deliver to sewage treatment plant and process. After certain rainfall, the pollutant major part on ground is washed away totally by early-stage rainwater, is then got up by later stage rainwater storage and utilizes.
Pollutant in later stage rainwater mostly are sandstone, dust, and the impurity wherein comprised when rainwater forms the initial stage and microorganism, therefore to effectively utilize later stage rainwater, it is also necessary to carry out later stage rainwater effectively filtering and purifying so that it is reach corresponding standard.
Existing a part of rainwater collection storage reusing system is collected containing only rain, memory function, does not include early-stage rainwater stream abandoning device, makes the Rainwater Quality that collection stores very poor, it is impossible to use. Other rain water collecting systems include early-stage rainwater stream abandoning device, but the treatment measures for later stage rainwater are relatively simple, mostly it is use common gauze filter, this filter can only filter the part sandstone in rainwater, and other granulometric impurities, microbial impurities, oils and fats etc. cannot effectively be purified. Also have some rainwater-collectings, purifier, its purification is to make rainwater flow through special purifying layer purifying rainwater from the top down, special purifying layer is for effective purifying rainwater, its permeable hole is small-sized, owing in rainwater, the grains of sand are a lot, water purification layer easily allows the grains of sand block purifying layer, causes that purifier cannot use.
Purifier in existing rainwater-collecting stocking system, its speed filtering rainwater cannot change, effect for the dmp filter of different quality is different, cause the deteriorating water quality of the rainwater after filtering, and rainfall changes according to weather environment, therefore the capacity in corresponding rainwater storage pond is often very big, makes the sufficiently bulky of rain water collecting system, and construction cost is significantly high.
A kind of rainwater-collecting osmosis system preventing surface subsidence from deforming described in patent CN201410604734.0, its filtration, purification pond includes the first filter chamber and the second filter chamber, flow channels layer it is sequentially provided with from the bottom to top in described first filter chamber, haydite layer, quartz sand layer and flow channels layer, flow channels layer from top to bottom it is sequentially provided with in described second filter chamber, haydite layer, quartz sand layer, active carbon layer and flow channels layer, first filter chamber is mainly used to the grains of sand settling in rainwater, second filter chamber is mainly used to purifying rainwater, the filtration of this system is segmentation structure, volume is bigger, and still can take away a certain amount of grains of sand from the first filter chamber during rainwater flowing, cause that filter course blocks.
Summary of the invention
For the problems referred to above, it is an object of the present invention to provide and a kind of be suitable in different rainfall situation the abandoned stream of rainwater, storage, purification rainwater-collecting store and utilize integral system.
For achieving the above object, the technical solution adopted in the present invention is: a kind of rainwater-collecting stores and utilizes integral system, including the grate being arranged on road both sides, grate is connected with water leg, the bottom of water leg is connected with the entrance of water inlet pipe, and described water inlet pipe is arranged below front storehouse, being provided with filter tube bottom front storehouse, being provided with rear storehouse near front storehouse, the outlet of described filter tube is connected with Hou Cang bottom; The top in described rear storehouse is provided with collecting pipe, and the outlet of collecting pipe is connected with regulating reservoir; The top of regulating reservoir arranges overflow pipe, and the outlet of described overflow pipe is connected with Storm Sewer Network; Described regulating reservoir top arranges adjustment pipe, and the one end regulating pipe is stretched in regulating reservoir, and the other end is connected with the through hole in the rear sidewall of deep purifying pond.
Preferably, being provided with flow abandoning apparatus, be provided with abandoned stream pipe bottom described front storehouse in described front storehouse, the outlet of abandoned stream pipe is connected with municipal wastewater pipe; It is provided with chitosan fluid dressing bottom described rear storehouse.
Preferably, in described deep purifying pond, water permeable membrane is set, deep purifying pond is separated into epicoele, cavity of resorption by water permeable membrane, and described water permeable membrane is V-type along the cross section of deep purifying pond left and right directions, and described water permeable membrane is forwards provided with, along the rear in deep purifying pond, the gradient being gradually lowered; The sidewall of described deep purifying pond front, center has vertical groove, the upper and lower side of described water permeable membrane is respectively provided with upper sealing panel, the lower seal plate that can slide in vertical groove, and described water permeable membrane is anterior near deep purifying pond, the bottom in V-type cross section arranges the drainage tube passing vertical groove.
Preferably, described drainage tube is provided with the gradient consistent with water permeable membrane along the fore-and-aft direction in deep purifying pond, and the exit of described drainage tube arranges drain and regulates valve; The top of described epicoele is connected with the lower chamber regulating air chamber by trachea, arranging between lower chamber and the upper chamber of described adjustment air chamber and have bubble-tight air pressure adjustment plate, the upper surface of described air pressure adjustment plate is connected with the top board regulating air chamber by pressure spring; Described lower intracavity is additionally provided with rainwater quality sensor.
Preferably, the epicoele of described adjustment air chamber, cavity of resorption connect with trachea, air pump respectively and each constitute airtight air circulation; The lower intracavity of described adjustment air chamber, or upper intracavity is additionally provided with air cleaner.
Preferably, described flow abandoning apparatus includes the hollow rotating shaft being vertically arranged in front storehouse, and the inner top side of hollow rotating shaft is connected with the outlet of water inlet pipe, and the outside of described hollow rotating shaft is connected with upper block, lower tumbler respectively through bearing;Hollow rotating shaft inside lower end is positioned at directly over the central authorities of lower shoe, described upper block is also connected with the torsion bar mechanism being arranged in rotating shaft, described torsion bar mechanism includes torsion-bar spring, one end of torsion-bar spring is connected with upper plate, and the other end is connected by the switching mechanism of lever with the first open and close valve arranged on filter tube; Described lower tumbler is also connected with ratchet mechanism, and described ratchet mechanism includes the ratchet rotated together with lower shoe, and ratchet is meshed with the profile of tooth arranged on rocking arm, and described rocking arm is wound around stay cord, and the switching mechanism on the other end of stay cord and the first open and close valve connects.
Preferably, described upper block includes disc upper plate, and upper plate lower surface is provided with the upside outer wall of tubular, and inside outer wall face, upside is provided with baffle upper plate; Described lower tumbler includes up-narrow and down-wide infundibulate lower shoe, lower shoe upper surface is formed around the downside outer wall of tubular, the upper surface of described lower shoe, downside outer wall inner side be provided with spiral downside inwall, the sidewall of downside inwall is provided with chin spoiler, the pod apertures that chin spoiler is provided with through; Leaving gap between described chin spoiler and lower shoe, described lower shoe surrounding annular arranges multiple through apopore, and the flow sum of the plurality of apopore is less than the flow of water inlet pipe; It is provided with bucker between described downside outer wall and upside outer wall.
Preferably, the cross section of described water permeable membrane is multiple structure, bottom-up filter course, water penetration support body layer, water accepting layer, the filter course of being followed successively by of described multiple structure, uses resistance to water bonding agent compact siro spinning technology between described filter course, water penetration support body layer, water accepting layer; Described filter course is that surface scribbles calcium silicates coating, rigid plastics film containing multiple permeable holes; Described water penetration support body layer is the alveolate texture that natural silica Sand is formed with DIC material; Alveolate texture is filled active filler; Described water accepting layer is modified sponge material.
A kind of rainwater-collecting stores and utilizes integral system, the manufacture method of its water penetration support body layer is: natural silicon sand mixes by the weight portion of 10:1 with white lime, moisture content 3-5%, store 2-3 hour in the hermetic container of full nitrogen, mix by the weight portion of 6-8:1 with activated carbon powder again, put into and mould is made tabular mixture; Tabular mixture is put in still kettle, passes into high steam, 170-220 DEG C, keep the 12h cellular rack of the calcium silicates containing activated carbon formed above under the pressure of 0.5-0.8Mpa; Cellular rack is placed in the hermetic container of full nitrogen and cools down more than 5h; The carbonaceous raw material of described activated carbon is biomass charcoal powder.
A kind of rainwater-collecting stores and utilizes integral system, the manufacture method of its modified sponge material is: the sponge after cleaning, drying is immersed in 24-32h in the HCl solution that volume fraction is 3-5%, take out afterwash, dry, sponge is immersed in 24-32h in the NaOH solution that concentration is 0.5-0.8mol/L again, takes out afterwash, dry.
The method have the advantages that the initial Split-flow of the rainfall utilizing flow abandoning apparatus to realize different rainfall, different duration and later stage collection, storage, purification function. Deep purifying pond is set, can effectively filter the impurity such as the trickle grains of sand in rainwater, microorganism, oils and fats, heavy metal, pressure official post rainwater between epicoele and the cavity of resorption in deep purifying pond precipitate into upper surface from water permeable membrane lower surface, good purification, and water permeable membrane will not be blocked by the grains of sand, can life-time service. Rainwater purification speed can be adjusted according to the water quality of rainwater, improves the quality of the rainwater after purification.
Accompanying drawing explanation
Fig. 1 is that rainwater-collecting storage utilizes integral system schematic diagram;
Fig. 2 is front storehouse schematic diagram;
Fig. 3 is flow abandoning apparatus schematic diagram;
Fig. 4 is A-A sectional view in Fig. 3;
Fig. 5 is B-B sectional view in Fig. 3;
Fig. 6 is C-C sectional view in Fig. 5;
Fig. 7 is deep purifying pond schematic diagram;
Fig. 8 is deep purifying pond isometric cutaway view;
Fig. 9 is D-D sectional view in Fig. 7.
Detailed description of the invention
Rainwater-collecting as shown in Figure 1-Figure 3 stores and utilizes integral system, including the grate 1 being arranged on road both sides, the shape of grate 1 can be the mesh shape of rectangle, can also be the latticed of rhombus, described grate 1 is connected with water leg 2, and the bottom of described water leg 2 is connected with the entrance of water inlet pipe 3, is provided with the coarse strainer stopping branch, stone between the entrance of water leg 2 and water inlet pipe 3, the entrance of water inlet pipe 3 can be one, it is also possible to is arranged as required to multiple. Described water inlet pipe 3 be connected with front storehouse 4, being provided with flow abandoning apparatus 5 in front storehouse 4, front storehouse 4 two bottom sides is respectively equipped with filter tube 6, abandoned stream pipe 7, and front storehouse 4 is arranged around rear storehouse 8, the outlet of described filter tube 6 is connected with bottom, rear storehouse 8, and the outlet of abandoned stream pipe 7 is connected with municipal wastewater pipe.
Described flow abandoning apparatus 5 includes the hollow rotating shaft 51 being vertically arranged in front storehouse 4, the inner top side of hollow rotating shaft 51 is connected with the outlet of water inlet pipe 3, the outside of described hollow rotating shaft 51 is connected with upper block 52, lower tumbler 53 respectively through bearing, and hollow rotating shaft 51 inside lower end is positioned at directly over the central authorities of lower shoe 531. described upper block 52 includes disc upper plate 521, upper plate 521 lower surface is provided with the upside outer wall 522 of tubular, upside outer wall 522 medial surface is provided with baffle upper plate 523, described upper block 52 is also connected with the torsion bar mechanism 54 being arranged in rotating shaft 51, described torsion bar mechanism includes torsion-bar spring 54, one end of torsion-bar spring 54 is connected with upper plate 521, the other end is connected by the switching mechanism of lever with the first open and close valve 61 arranged on filter tube 6, described first open and close valve 61 can be conventional rotary valve, then its switching mechanism is spring sheathed on rotating shaft and rotating shaft, at this moment torsion-bar spring 54 is connected by the spring that lever is sheathed with on rotating shaft, described first open and close valve 61 can also be the open and close valve of gate form, at this moment its switching mechanism is the gate being arranged in filter tube 6, and make guide rail and the gate drag-line that gate slides up and down, torsion-bar spring 54 is connected with gate drag-line by lever.
Described lower tumbler 53 includes up-narrow and down-wide infundibulate lower shoe 531, lower shoe 531 upper surface is formed around the downside outer wall 532 of tubular, the upper surface of described lower shoe 531, the inner side of downside outer wall 532 is provided with spiral downside inwall 533, the sidewall of downside inwall 533 is provided with chin spoiler 534, the pod apertures 535 that chin spoiler 534 is provided with through, gap is left between described chin spoiler 534 and lower shoe 531, described lower shoe 531 surrounding arranges multiple through apopore 536, it is provided with bucker 55 between described downside outer wall 532 and upside outer wall 522, described bucker 55 can ensure the watertightness between upper block 52 and lower tumbler 53, and can relative to upper block 52, lower tumbler 53 rotates, described bucker 55 can be bolted bilateral symmetry, on bucker 55, lower end arranges seal trim strip, overall structure can also be designed to, on bucker 55, lower end arranges bearing, flange is set outside bearing, with upper block 52, lower tumbler 53 passes through Flange joint, at flange connections, sealing gasket is set.
Described lower tumbler 53 is also connected with ratchet mechanism 56, described ratchet mechanism 56 includes the ratchet rotated together with lower shoe 531, described ratchet is meshed with the profile of tooth arranged on Rocker arm 57, and described Rocker arm 57 is wound around stay cord 58, and the switching mechanism on the other end of stay cord 58 and the first open and close valve 61 connects.
Described Rocker arm 57 is provided with the trip gear that Rocker arm 57 can be made to separate with ratchet 56, and described trip gear is connected with the rotating shaft of the rotary valve 31 arranged on water inlet pipe 3 by departing from stay cord 32; Described trip gear can be that Rocker arm 57 transversely slides, with the structure of ratchet disengagement, it is also possible to be that ratchet transversely slides, with the structure of Rocker arm 57 disengagement. Described disengagement structure is connected with the rotating shaft of water intaking valve 31 by departing from stay cord 32, so when rainwater flows into water inlet pipe 3, wash water intaking valve 31 open, water intaking valve 31 is made to rotate to an angle, at this moment ratchet and Rocker arm 57 engage, and when the water that do not rain flows into water inlet pipe 3, water intaking valve 31 is closed, its rotating shaft does not rotate, and at this moment ratchet and Rocker arm 57 disengage.
The switching mechanism of described first open and close valve 61 and the switching mechanism of the second open and close valve 71 are formed mechanical interlocked, will not enter by rain in storehouse 8 after so can ensureing when rain water drainage, and after clean rainwater entrance during storehouse 8, second open and close valve 71 is effectively closed, it is ensured that clean rainwater does not produce waste. Mechanical interlocked between switching mechanism and the switching mechanism of the second open and close valve 71 of described first open and close valve 61 can be through zip linkage and realize, it is also possible to is realized by linkage between multiple connecting rods.
In order to ensure that little rainfall guide wheel 53 at present rotates, during big rainfall, upper block 52 rotates, and better embodiment is, the flow sum of the plurality of apopore 536 is less than the flow of water inlet pipe 3. Very big in order to ensure at rainfall, when upper block 52 cannot hold more rainwater, ensure that airflow apparatus 5 is not damaged by, better embodiment is, described upper plate 521 arranges multiple through spout hole 524 near the position annular of hollow rotating shaft 51, and the flow sum of the plurality of spout hole 524 is more than the flow of water inlet pipe 3. When excessive rainwater overflows from the spout hole 524 of upper plate 521, in order to ensure that upper plate 521 does not produce hydrops situation, better embodiment is, described upper plate 521 is up-narrow and down-wide funnel shaped.
The using method that rainwater-collecting stores the rainfall utilizing integral system to collect different rainfall, different duration is as follows:
The current that do not rain are fashionable, and the first open and close valve 61 is closure state, and the second open and close valve 71 is open mode, and water intaking valve 31 is closed mode.
When rainfall is trace rainfall, rainwater flows into water leg 2, water inlet pipe 3 from grate 1, promoting water intaking valve 31 to rotate, the rotating shaft of water intaking valve 31 rotarily drives disengaging stay cord 32 action, makes ratchet and Rocker arm 57 be meshed, rainwater flows into lower tumbler 53 from water inlet pipe 3, hollow rotating shaft 51, as shown in Figure 6, rainwater, by the gap between lower shoe 531 and chin spoiler 534, flow to the bottom in front storehouse 4 from apopore 536, finally flowed into municipal wastewater pipe by abandoned stream pipe 7, it is achieved abandoned stream.
When rainfall is rainfall in short-term in a small amount, rainwater is from water inlet pipe 3, hollow rotating shaft 51 flows in lower tumbler 53, as shown in Fig. 5-Fig. 6, fraction rainwater is flow through by the gap between lower shoe 531 and chin spoiler 534, the bottom in front storehouse 4 it is left to from apopore 536, another part rain-impact chin spoiler 534, and flow through from pod apertures 535, at this moment lower tumbler 53 is subject to the impact of rainwater and starts to rotate, and drive ratchet, Rocker arm 57 action, described Rocker arm 57 turns over certain angle, drive stay cord 58 action, described stay cord 58 has certain idle stroke, therefore within a certain period of time, stay cord 58 will not drive the switching mechanism action on the first open and close valve 61, at this moment rainfall all flows into municipal wastewater pipe network from abandoned stream pipe 7.
When rainfall is in a small amount long during rainfall, after the idle stroke of stay cord 58 is covered, the switching mechanism action of the first open and close valve 61, the first open and close valve 61 is made to open, owing to being provided with mechanical interlock mechanism between the first open and close valve 61 and the second open and close valve 71, therefore at this moment the second open and close valve 71 is closed, achieving early-stage rainwater stream abandoning, the function of later stage rainwater-collecting, after rainfall terminates, water intaking valve 31 returns to original position, making ratchet and Rocker arm 57 disengage, at this moment stay cord 58 does not have pulling force, and the first open and close valve 61 is automatically switched off, second open and close valve 71 is opened, and prepares for rainfall next time.
When rainfall is a large amount of rainfall in short-term, first chin spoiler 534 is impacted, lower tumbler 53 is made to rotate, owing to the flow sum of multiple apopores 536 is less than the flow of water inlet pipe 3, the rainwater water level in lower tumbler 53 can gradually rise, and makes rainwater enter the region that bucker 55 surrounds, stay cord 58 has certain idle stroke, therefore in the short time, the first open and close valve 61 can't be opened, and whole rainwater still enter into abandoned stream pipe 7, it is achieved abandoned stream.
When rainfall be a large amount of long time rainfall time, first chin spoiler 534 is impacted, lower tumbler 53 is made to rotate, owing to the flow sum of multiple apopores 536 is less than the flow of water inlet pipe 3, rainwater water level in lower tumbler 53 can gradually rise, rainwater is made to enter the region that bucker 55 surrounds, early stage rain water drainage within a certain period of time, after certain time, rainwater water level in flow abandoning apparatus 5 is increased in upper block 52, rainwater is through the guiding of spiral-shaped downside inwall 533, its type of flow is eddy flow, as shown in Figure 4, rainwater meeting rotary impact baffle upper plate 523 in upper block 52, upper block 52 is made to rotate, and drive torsion bar mechanism 54 action, the switching mechanism linkage of torsion bar mechanism 54 and the first open and close valve 61, at this moment the first open and close valve 61 is opened immediately, second open and close valve 71 is closed, realize the collection of later stage rainwater.
Owing to the operation principle of flow abandoning apparatus 5 is that the rotary impact utilizing rainwater drives upper block 52, lower tumbler 53 rotates whether abandoned stream judges to rainwater, therefore the parts being subject to rain-impact in flow abandoning apparatus 5 not only need have enough intensity, also need to excellent Corrosion Protection, therefore it is preferably to, described baffle upper plate 523, downside inwall 533, the material of chin spoiler 534 is aluminum alloy materials, the component of described aluminum alloy materials is prepared according to following mass component: Zn2.5-3.5wt%, Mg1.0-2.5wt%, , Zr0.02-0.1wt%, Ti0.02-0.05wt%, Si0.05-0.08wt%, the rare earth element of 0.1-0.2wt%, total content≤the 0.3wt% of inevitable impurity element, surplus is fine aluminium, described rare earth element is by Sc, Y, La, Ce, a kind of or any several composition in Tm, through checking, the aluminum alloy materials configured by above component can withstand shocks for a long time and antiseptic property is good, improve the endurance quality of flow abandoning apparatus 5.
It is provided with chitosan fluid dressing 81 bottom described rear storehouse 8, chitosan fluid dressing 81 can be bio-sponge filtering layer, can also being microorganism filtering layer, it is also possible to be the chitosan fluid dressing of other modes, the effect of chitosan fluid dressing 81 be the impurity such as the part heavy metal in drinking up the rain, oils and fats, microorganism. Described filter tube 6 stretches into the section tubular wall side in rear storehouse 8 and has multiple filtering holes, and rainwater uniform stream from filtering holes is filtered to chitosan fluid dressing 81. In order to check flow abandoning apparatus 5 easily, changing chitosan fluid dressing 81, it is preferred that top, described front storehouse 4 is provided with front storehouse inspection socket 41, top, described rear storehouse 8 is provided with rear storehouse inspection socket 83.
The top in described rear storehouse 8 is provided with collecting pipe 82, and the outlet of collecting pipe 82 is connected with regulating reservoir 9. The water pump being connected with collecting pipe 82 can be set in rear storehouse 8, in chitosan fluid dressing 81, utilize water pump that rainwater is sent into regulating reservoir 9, it is also possible to be that rear storehouse 8 is inconsistent with the height of regulating reservoir 9, utilize siphon principle that from rear storehouse 8, rainwater is sent into regulating reservoir 9. The top of described regulating reservoir 9 arranges overflow pipe 91, and the outlet of described overflow pipe 91 is connected with municipal administration Storm Sewer Network. When rainfall is very big, regulating reservoir 9 cannot store more later stage rainwater, and unnecessary later stage rainwater flows into municipal administration Storm Sewer Network by overflow pipe 91. Described regulating reservoir 9 top arranges adjustment pipe 92, and the one end regulating pipe 92 is stretched in regulating reservoir 9, and the other end passes through water pump, is connected with the through hole on the sidewall in deep purifying pond 10.
In described deep purifying pond 10, water permeable membrane 101 is set, deep purifying pond 10 is separated into epicoele 110, cavity of resorption 120 by water permeable membrane 101, described water permeable membrane 101 is V-type along the cross section of deep purifying pond 10 left and right directions, and described water permeable membrane 101 is forwards provided with, along the rear in deep purifying pond, the gradient being gradually lowered; The sidewall of described deep purifying pond 10 front, center has vertical groove, as shown in Figure 8, the described upper and lower side of water permeable membrane 101 is respectively provided with upper sealing panel 103, the lower seal plate 104 that can slide in vertical groove, described water permeable membrane 101 is anterior near deep purifying pond 10, the bottom in V-type cross section arranges the drainage tube 102 passing vertical groove, drainage tube 102 is provided with the gradient consistent with water permeable membrane 101 along the fore-and-aft direction in deep purifying pond 10, and the exit of described drainage tube 102 arranges drain and regulates valve 105; The top of described epicoele 110 is connected with the lower chamber regulating air chamber 130 by trachea, arranging between lower chamber and the upper chamber of described adjustment air chamber 130 and have bubble-tight air pressure adjustment plate 131, the upper surface of described air pressure adjustment plate 131 is connected with the top board regulating air chamber 130 by pressure spring 132.
The work process in deep purifying pond 10 is: water pump is by the cavity of resorption 120 in the rainwater suction deep purifying pond 10 in regulating reservoir 9, owing to water pump ceaselessly draws water, make the pressure pressure more than epicoele 130 of cavity of resorption 120, at this moment water permeable membrane 101 also has little time to precipitate out rainwater, therefore water permeable membrane 101 and drainage tube 102 move upward under lower cavity pressure effect, gas in epicoele 110 is depressed into the cavity of resorption regulating air chamber 130, promotes air pressure adjustment plate 131 to move upward, and compresses pressure spring 132; Upper sealing panel 103 in this process, lower seal plate 104 can ensure the sealing of epicoele 110, cavity of resorption 120. When in cavity of resorption 120, the water level of rainwater reaches certain value, water pump quits work, then water permeable membrane 101 is under the pressure effect of himself gravity and pressure spring 132, slowly move downward, the water in cavity of resorption 120 is made to be precipitated the upper surface of water permeable membrane 101, inclined-plane then along water permeable membrane 101 flow in drainage tube 102, when the rain water-harvesting in drainage tube 102 to a certain amount of and to drain regulate valve 105 produce enough pressure time, drain regulates valve 105 and is opened, and the rainwater after purification flows out in drainage tube 102. Purification process is that rainwater precipitates out to its upper surface from the lower surface of water permeable membrane 101, and the grains of sand in rainwater can be gathered in the lower surface of water permeable membrane 101, and sinks to the bottom gradually, without influence on the detergent power of water permeable membrane 101.
In order to the effective rainwater to different quality purifies, the epicoele of described adjustment air chamber 130, cavity of resorption connect with trachea, air pump respectively and each constitute airtight air circulation, arrange rainwater quality sensor 121 in described cavity of resorption 120.When the rain and impurity in cavity of resorption 120 is less, can pass through to increase the pressure differential between the epicoele and the cavity of resorption that regulate air chamber 130, to improve the bleed speed of water permeable membrane 101, when the rainwater pollution degree in cavity of resorption 120 is higher, then reduce the pressure differential between the epicoele and the cavity of resorption that regulate air chamber 130, to reduce the bleed speed of water permeable membrane 101, better purifying rainwater.
The lower intracavity of described adjustment air chamber 130, or in epicoele 110, it is additionally provided with air cleaner 140, to ensure the air cleaning in epicoele 110, reduce the impact on water permeable membrane 101 and rainwater.
Owing to later stage rainwater still containing the heavy metal of part, microbial impurities, granulometric impurity, the pollutant such as oils and fats, water permeable membrane 101 needs the filtering function with plurality of impurities, it is preferably to, as shown in Figure 9, the cross section of described water permeable membrane 101 is multiple structure, described multiple structure is bottom-up is followed successively by filter course 102, water penetration support body layer 103, water accepting layer 104, filter course 102, described filter course 102, water penetration support body layer 103, resistance to water bonding agent compact siro spinning technology is used between water accepting layer 104, described resistance to water bonding agent is do not contain heavy metal element, human body is produced the bonding agent of harm additive by toxic organic compounds etc., described filter course 102 scribbles calcium silicates coating, rigid plastics film containing multiple permeable holes for surface, and rigid plastics film can be common PVC plastic film, PP plastic foil, it is also possible to is the plastic foil of the better nano molecular material of water penetration, the effect of described water penetration support body layer 103 is to maintain the shape of water permeable membrane 101, and needs to bear certain pressure, and therefore its structure is the alveolate texture formed with DIC material for natural silica Sand, alveolate texture is filled active filler.
In order to ensure good water penetration and certain intensity, the manufacture method of described water penetration support body layer 103 is: mixed by the weight portion of 10:1 with white lime by natural silicon sand, moisture content 3-5%, store 2-3 hour in the hermetic container of full nitrogen, mix by the weight portion of 6-8:1 with activated carbon powder again, put into and mould is made tabular mixture; Tabular mixture is put in still kettle, passes into high steam, 170-220 DEG C, keep the 12h cellular rack of the calcium silicates containing activated carbon formed above under the pressure of 0.5-0.8Mpa; Cellular rack is placed in the hermetic container of full nitrogen and cools down more than 5h; The carbonaceous raw material of described activated carbon is biomass charcoal powder.
In order to have good water absorbing properties, described water accepting layer 104 is modified sponge material, in order to improve the service life of modified sponge, the manufacture method of described modified sponge material is: the sponge after cleaning, drying is immersed in 24-32h in the HCl solution that volume fraction is 3-5%, take out afterwash, dry, sponge is immersed in 24-32h in the NaOH solution that concentration is 0.5-0.8mol/L again, takes out afterwash, dry.

Claims (10)

1. a rainwater-collecting stores and utilizes integral system, including the grate (1) being arranged on road both sides, grate (1) is connected with water leg (2), the bottom of water leg (2) is connected with the entrance of water inlet pipe (3), it is characterized in that: described water inlet pipe (3) is arranged below front storehouse (4), bottom, front storehouse (4) is provided with filter tube (6), being provided with rear storehouse (8) near front storehouse (4), the outlet of described filter tube (6) is connected with rear storehouse (8) bottom; The top of described rear storehouse (8) is provided with collecting pipe (82), and the outlet of collecting pipe (82) is connected with regulating reservoir (9);The top of regulating reservoir (9) arranges overflow pipe (91), and the outlet of described overflow pipe (91) is connected with Storm Sewer Network; Described regulating reservoir (9) top arranges adjustment pipe (92), and the one end regulating pipe (92) is stretched in regulating reservoir (9), and the other end is connected with the through hole in deep purifying pond (10) rear sidewall.
2. rainwater-collecting according to claim 1 stores and utilizes integral system, it is characterized in that: described front storehouse (4) is provided with flow abandoning apparatus (5), described front storehouse (4) bottom is provided with abandoned stream pipe (7), and the outlet of abandoned stream pipe (7) is connected with municipal wastewater pipe; Described rear storehouse (8) bottom is provided with chitosan fluid dressing (81).
3. rainwater-collecting according to claim 1 stores and utilizes integral system, it is characterized in that: in described deep purifying pond (10), water permeable membrane (101) is set, deep purifying pond (10) are separated into epicoele (110), cavity of resorption (120) by water permeable membrane (101), described water permeable membrane (101) is V-type along the cross section of deep purifying pond (10) left and right directions, and described water permeable membrane (101) is forwards provided with, along the rear in deep purifying pond, the gradient being gradually lowered; The sidewall of described deep purifying pond (10) front, center has vertical groove, described water permeable membrane (101) upper and lower side is respectively provided with upper sealing panel (103), the lower seal plate (104) that can slide in vertical groove, and described water permeable membrane (101) is anterior near deep purifying pond (10), the bottom in V-type cross section arranges the drainage tube (102) passing vertical groove.
4. rainwater-collecting according to claim 3 stores and utilizes integral system, it is characterized in that: described drainage tube (102) is provided with the gradient consistent with water permeable membrane (101) along the fore-and-aft direction of deep purifying pond (10), the exit of described drainage tube (102) arranges drain and regulates valve (105); The top of described epicoele (110) is connected with the lower chamber regulating air chamber (130) by trachea, arranging between lower chamber and the upper chamber of described adjustment air chamber (130) and have bubble-tight air pressure adjustment plate (131), the upper surface of described air pressure adjustment plate (131) is connected with the top board regulating air chamber (130) by pressure spring (132); Rainwater quality sensor (121) it is additionally provided with in described cavity of resorption (120).
5. rainwater-collecting according to claim 4 stores and utilizes integral system, it is characterised in that: the epicoele of described adjustment air chamber (130), cavity of resorption connect with trachea, air pump respectively and each constitute airtight air circulation; The lower intracavity of described adjustment air chamber (130), or in epicoele (110), it is additionally provided with air cleaner (140).
6. rainwater-collecting according to claim 2 stores and utilizes integral system, it is characterized in that: described flow abandoning apparatus (5) includes the hollow rotating shaft (51) being vertically arranged in front storehouse (4), the inner top side of hollow rotating shaft (51) is connected with the outlet of water inlet pipe (3), and the outside of described hollow rotating shaft (51) is connected with upper block (52), lower tumbler (53) respectively through bearing; Hollow rotating shaft (51) inside lower end is positioned at directly over the central authorities of lower shoe (531); Described upper block (52) is also connected with the torsion bar mechanism being arranged in rotating shaft (51), described torsion bar mechanism includes torsion-bar spring (54), one end of torsion-bar spring (54) is connected with upper plate (521), and the other end is connected by the switching mechanism of upper the first open and close valve (61) arranged of lever and filter tube (6); Described lower tumbler (53) is also connected with ratchet mechanism (56), described ratchet mechanism (56) includes the ratchet rotated together with lower shoe (531), ratchet is meshed with the upper profile of tooth arranged of rocking arm (57), being wound around stay cord (58) on described rocking arm (57), the switching mechanism on the other end of stay cord (58) and the first open and close valve (61) connects.
7. rainwater-collecting according to claim 6 stores and utilizes integral system, it is characterized in that: described upper block (52) includes disc upper plate (521), upper plate (521) lower surface is provided with the upside outer wall (522) of tubular, and upside outer wall (522) medial surface is provided with baffle upper plate (523); Described lower tumbler (53) includes up-narrow and down-wide infundibulate lower shoe (531), lower shoe (531) upper surface is formed around the downside outer wall (532) of tubular, the upper surface of described lower shoe (531), downside outer wall (532) inner side be provided with spiral downside inwall (533), the sidewall of downside inwall (533) is provided with chin spoiler (534), the pod apertures (535) that chin spoiler (534) is provided with through; Gap is left between described chin spoiler (534) and lower shoe (531), described lower shoe (531) surrounding annular arranges multiple through apopore (536), and the flow sum of the plurality of apopore (536) is less than the flow of water inlet pipe (3); Bucker (55) it is provided with between described downside outer wall (532) and upside outer wall (522).
8. rainwater-collecting according to claim 3 stores and utilizes integral system, it is characterized in that: the cross section of described water permeable membrane (101) is multiple structure, bottom-up filter course (102), water penetration support body layer (103), water accepting layer (104), the filter course (102) of being followed successively by of described multiple structure, uses resistance to water bonding agent compact siro spinning technology between described filter course (102), water penetration support body layer (103), water accepting layer (104); Described filter course (102) scribbles calcium silicates coating, rigid plastics film containing multiple permeable holes for surface; The alveolate texture that described water penetration support body layer (103) is formed with DIC material for natural silica Sand; Alveolate texture is filled active filler; Described water accepting layer (104) is modified sponge material.
9. rainwater-collecting according to claim 8 stores and utilizes integral system, the manufacture method of its water penetration support body layer is: mixed by the weight portion of 10:1 with white lime by natural silicon sand, moisture content 3-5%, store 2-3 hour in the hermetic container of full nitrogen, mix by the weight portion of 6-8:1 with activated carbon powder again, put into and mould is made tabular mixture; Tabular mixture is put in still kettle, passes into high steam, 170-220 DEG C, keep the 12h cellular rack of the calcium silicates containing activated carbon formed above under the pressure of 0.5-0.8Mpa; Cellular rack is placed in the hermetic container of full nitrogen and cools down more than 5h; The carbonaceous raw material of described activated carbon is biomass charcoal powder.
10. rainwater-collecting according to claim 8 stores and utilizes integral system, the manufacture method of its modified sponge material is: the sponge after cleaning, drying is immersed in 24-32h in the HCl solution that volume fraction is 3-5%, take out afterwash, dry, sponge is immersed in 24-32h in the NaOH solution that concentration is 0.5-0.8mol/L again, takes out afterwash, dry.
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CN109763393A (en) * 2019-01-18 2019-05-17 浙江华安泰工程集团有限公司 A kind of gardens sponge-type road pavement structure and its construction method
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